bios: add -Zunstable-options for custom JSON target spec

Rust nightly requires -Zunstable-options for custom target JSON specs
(such as x86-unknown-none.json). Without it, the build fails with:
  error: error loading target specification: custom targets are
  unstable and require `-Zunstable-options`

UEFI already uses the built-in x86_64-unknown-uefi target, so it
didn't need this flag. The kernel recipe already has this fix; the
bootloader BIOS Makefile was missing it.

.editorconfig

@@ -1,7 +0,0 @@
-[**.c]
-indent_size = 4
-indent_style = space
-
-[**.yml]
-indent_size = 4
-indent_style = space

.gitignore

@@ -1,11 +1,2 @@
-.idea/
+/build
-prefix/
+/target
-sysroot/
-**/target/
-.gdb_history
-*.patch
-*.swp
-*.swo
-/.vim
-.vscode/
-

.gitlab-ci.yml

@@ -1,73 +1,35 @@
 image: "redoxos/redoxer:latest"
 
-variables:
+before_script:
-  GIT_SUBMODULE_STRATEGY: recursive
+  - apt-get install nasm
-
+  - rustup component add rust-src
-workflow:
-  rules:
-    - if: '$CI_COMMIT_BRANCH == "master" && $CI_PROJECT_NAMESPACE == "redox-os"'
-    - if: '$CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "master"'
 
 stages:
-    - build
+  - host
-    - cross-build
+
-    - test
+build:i686:
-before_script:
+  stage: host
-    cargo install cbindgen
+  script:
+    - mkdir -p target/i686
+    - cd target/i686
+    - TARGET=x86-unknown-none make -f ${CI_PROJECT_DIR}/Makefile -C `pwd` `pwd`/bootloader.bin `pwd`/bootloader-live.bin
+
+build:x86_64:
+  stage: host
+  script:
+    - mkdir -p target/x86_64
+    - cd target/x86_64
+    - TARGET=x86_64-unknown-uefi make -f ${CI_PROJECT_DIR}/Makefile -C `pwd` `pwd`/bootloader.efi `pwd`/bootloader-live.efi
+
+build:aarch64:
+  stage: host
+  script:
+    - mkdir -p target/aarch64
+    - cd target/aarch64
+    - TARGET=aarch64-unknown-uefi make -f ${CI_PROJECT_DIR}/Makefile -C `pwd` `pwd`/bootloader.efi `pwd`/bootloader-live.efi
 
 fmt:
-    stage: build
+  stage: host
-    needs: []
+  script:
-    script:
+      - rustup component add rustfmt-preview
-        - rustup component add rustfmt-preview
+      - cargo fmt -- --check
-        - ./fmt.sh -- --check
-
-linux:
-    stage: build
-    script:
-        - ./check.sh --host
-
-x86_64:
-    stage: build
-    script:
-        - ./check.sh --arch=x86_64
-
-i586:
-    stage: cross-build
-    script:
-        - ./check.sh --arch=i586
-
-aarch64:
-    stage: cross-build
-    image: "redoxos/redoxer:aarch64"
-    script:
-        - ./check.sh --arch=aarch64
-
-riscv64gc:
-    stage: cross-build
-    script:
-        - ./check.sh --arch=riscv64gc
-
-test:linux:
-    stage: test
-    needs: [linux]
-    script:
-        - ./check.sh --host --test
-
-test:x86_64:
-    stage: test
-    needs: [x86_64]
-    script:
-        # timeout: https://gitlab.redox-os.org/redox-os/relibc/-/issues/238
-        - timeout -s KILL 9m ./check.sh --arch=x86_64 --test
-
-test:aarch64:
-    stage: test
-    needs: [aarch64]
-    image: "redoxos/redoxer:aarch64"
-    # many issues that not exist in x86_64, and lack of interest to fix so far
-    allow_failure: true
-    script:
-        - timeout -s KILL 9m ./check.sh --arch=aarch64 --test
-
-#TODO: Enable more arch once dynamic linker working

.gitmodules

@@ -1,7 +0,0 @@
-[submodule "openlibm"]
-	path = openlibm
-	url = https://gitlab.redox-os.org/redox-os/openlibm.git
-	branch = master
-[submodule "src/dlmalloc-rs"]
-	path = dlmalloc-rs
-	url = https://gitlab.redox-os.org/redox-os/dlmalloc-rs.git

.helix/config.toml

@@ -0,0 +1,2 @@
+[editor]
+auto-format = false

.helix/languages.toml

@@ -0,0 +1,5 @@
+[[language]]
+name = "rust"
+# TODO: Add more targets (BIOS, x86_32)
+# Uncomment this line and set cargo.target to your target to get accurate completions
+# config = { cargo.target = "aarch64-unknown-uefi", check.targets = ["x86_64-unknown-uefi", "aarch64-unknown-uefi"] }

CONTRIBUTING.md

@@ -1,123 +0,0 @@
-# Contributing
-
-## Table of contents
-1. [What to do](#what-to-do)
-2. [Code style](#code-style)
-3. [Sending merge requests](#sending-merge-requests)
-4. [Writing tests](#writing-tests)
-5. [Running tests](#running-tests)
-
-Maintaining a libc is tough work, and we'd love some help!
-
-## What to do
-
-For now, we are still trying to get full libc compatibility before we move on to
-any optimisation.
-
-- We currently have a number of unimplemented functions. Search for 
-    `unimplemented!()` and hop right in!
-- If you notice any missing functionality, feel free to add it in
-
-## Code style
-
-We have a `rustfmt.toml` in the root directory of relibc. Please run `./fmt.sh`
-before sending in any merge requests as it will automatically format your code.
-
-With regards to general style:
-
-### Where applicable, prefer using references to raw pointers
-
-This is most obvious when looking at `stdio` functions. If raw pointers were
-used instead of references, then the resulting code would be significantly
-uglier. Instead try to check for pointer being valid with `pointer::as_ref()`
-and `pointer::as_mut()` and then immediately use those references instead.
-
-Internal functions should always take references.
-
-### Use the c types exposed in our platform module instead of Rust's inbuilt integer types
-
-This is so we can guarantee that everything works across platforms. While it is
-generally accepted these days that an `int` has 32 bits (which matches against
-an `i32`), some platforms have `int` as having 16 bits, and others have long as
-being 32 bits instead of 64. If you use the types in platform, then we can
-guarantee that your code will "just work" should we port relibc to a different
-architecture.
-
-### Use our internal functions
-
-If you need to use a C string, don't reinvent the wheel. We have functions in
-the platform module that convert C strings to Rust slices.
-
-We also have structures that wrap files, wrap writable strings, and wrap various
-other commonly used things that you should use instead of rolling your own.
-
-## Sending merge requests
-
-If you have sent us a merge request, first of all, thanks for taking your time
-to help us!
-
-The first thing to note is that we do most of our development on our 
-[GitLab server](https://gitlab.redox-os.org/redox-os/relibc), and as such it is
-possible that none of the maintainers will see your merge request if it is
-opened on GitHub.
-
-In your merge request, please put in the description:
-- What functions (if any) have been implemented or changed
-- The rationale behind your merge request (e.g. why you thought this change was
-    required. If you are just implementing some functions, you can ignore this)
-- Any issues that are related to the merge request
-
-We have CI attached to our GitLab instance, so all merge requests are checked to
-make sure that they are tested before they are merged. Please write tests for
-the functions that you add/change and test locally on your own machine
-***before*** submitting a merge request.
-
-## Writing tests
-
-Every function that gets written needs to have a test in C in order to make sure
-it works as intended. Here are a few guidelines for writing good tests.
-
-### Ensure that any literals you have are mapped to variables instead of being directly passed to a function.
-
-Sometimes compilers take literals put into libc functions and run them 
-internally during compilation, which can cause some false positives.  All tests
-are compiled with `-fno-builtin`, which theoretically solves this issue, but
-just in case, it'd be a good idea to map inputs to variables.
-
-```c
-#include "string.h"
-#include "stdio.h"
-
-int main(void) {
-    // Don't do this
-    printf("%d\n", strcspn("Hello", "Hi"));
-
-    // Do this
-    char *first = "Hello";
-    char *second = "Hi";
-    printf("%d\n", strcspn(first, second));
-}
-```
-
-### Ensure your tests cover every section of code.
-
-What happens if a string in `strcmp()` is shorter than the other string? What 
-happens if the first argument to `strcspn()` is longer than the second string?  
-In order to make sure that all functions work as expected, we ask that any tests
-cover as much of the code that you have written as possible.
-
-## Running tests
-
-Running tests is an important part in trying to find bugs. Before opening a
-merge request, we ask that you test on your own machine to make sure there are
-no regressions.
-
-You can run tests with `make test` in the root directory of relibc to compile
-relibc, compile the tests and run them. This *will* print a lot of output to
-stdout, so be warned!
-
-You can test against verified correct output with `make verify` in the tests 
-directory. You will need to manually create the correct output and put it in the
-tests/expected directory. Running any `make` commands in the tests directory
-will ***not*** rebuild relibc, so you'll need to go back to the root directory
-if you need to rebuild relibc.

Cargo.lock

@@ -3,15 +3,24 @@
 version = 4
 
 [[package]]
-name = "argon2"
+name = "aes"
-version = "0.5.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c3610892ee6e0cbce8ae2700349fcf8f98adb0dbfbee85aec3c9179d29cc072"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "argon2"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db4ce4441f99dbd377ca8a8f57b698c44d0d6e712d8329b5040da5a64aa1ce73"
 dependencies = [
  "base64ct",
  "blake2",
- "cpufeatures",
- "password-hash",
 ]
 
 [[package]]
@@ -27,21 +36,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55248b47b0caf0546f7988906588779981c43bb1bc9d0c44087278f80cdb44ba"
 
 [[package]]
-name = "bcrypt-pbkdf"
+name = "bit_field"
-version = "0.10.0"
+version = "0.10.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6aeac2e1fe888769f34f05ac343bbef98b14d1ffb292ab69d4608b3abc86f2a2"
+checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"
-dependencies = [
- "blowfish",
- "pbkdf2",
- "sha2",
-]
 
 [[package]]
 name = "bitflags"
-version = "2.10.0"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "bitflags"
+version = "2.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2261d10cca569e4643e526d8dc2e62e433cc8aba21ab764233731f8d369bf394"
 
 [[package]]
 name = "blake2"
@@ -61,63 +71,17 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "blowfish"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e412e2cd0f2b2d93e02543ceae7917b3c70331573df19ee046bcbc35e45e87d7"
-dependencies = [
- "byteorder",
- "cipher",
-]
-
 [[package]]
 name = "byteorder"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
-[[package]]
-name = "cbitset"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29b6ad25ae296159fb0da12b970b2fe179b234584d7cd294c891e2bbb284466b"
-dependencies = [
- "num-traits",
-]
-
-[[package]]
-name = "cc"
-version = "1.1.22"
-source = "git+https://github.com/tea/cc-rs?branch=riscv-abi-arch-fix#588ceacb084af41415690c57688e338a32a1f1b4"
-dependencies = [
- "shlex",
-]
-
 [[package]]
 name = "cfg-if"
-version = "1.0.4"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9"
-
-[[package]]
-name = "chrono"
-version = "0.4.42"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "145052bdd345b87320e369255277e3fb5152762ad123a901ef5c262dd38fe8d2"
-dependencies = [
- "num-traits",
-]
-
-[[package]]
-name = "chrono-tz"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6139a8597ed92cf816dfb33f5dd6cf0bb93a6adc938f11039f371bc5bcd26c3"
-dependencies = [
- "chrono",
- "phf",
-]
 
 [[package]]
 name = "cipher"
@@ -138,23 +102,11 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "crt0"
-version = "0.1.0"
-
-[[package]]
-name = "crti"
-version = "0.1.0"
-
-[[package]]
-name = "crtn"
-version = "0.1.0"
-
 [[package]]
 name = "crypto-common"
-version = "0.1.7"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
  "typenum",
@@ -172,22 +124,24 @@ dependencies = [
 ]
 
 [[package]]
-name = "dlmalloc"
+name = "dmidecode"
-version = "0.2.8"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5a070ca68f8ba202b05487d52b9ac56eaebb5b66cdd68d1a17e63174bb11e3b"
 dependencies = [
- "cfg-if",
+ "bitflags 1.3.2",
- "windows-sys",
 ]
 
 [[package]]
-name = "drm-sys"
+name = "endian-num"
-version = "0.8.0"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bafb66c8dbc944d69e15cfcc661df7e703beffbaec8bd63151368b06c5f9858c"
+checksum = "f8f59926911ef34d1efb9ea1ee8ca78385df62ce700ccf2bcb149011bd226888"
-dependencies = [
+
- "libc",
+[[package]]
- "linux-raw-sys",
+name = "fdt"
-]
+version = "0.2.0-alpha1"
+source = "git+https://github.com/repnop/fdt.git?rev=2fb1409edd1877c714a0aa36b6a7c5351004be54#2fb1409edd1877c714a0aa36b6a7c5351004be54"
 
 [[package]]
 name = "generic-array"
@@ -199,30 +153,6 @@ dependencies = [
  "version_check",
 ]
 
-[[package]]
-name = "generic-rt"
-version = "0.1.0"
-
-[[package]]
-name = "goblin"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "983a6aafb3b12d4c41ea78d39e189af4298ce747353945ff5105b54a056e5cd9"
-dependencies = [
- "log",
- "plain",
- "scroll",
-]
-
-[[package]]
-name = "hmac"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
-dependencies = [
- "digest",
-]
-
 [[package]]
 name = "inout"
 version = "0.1.4"
@@ -232,211 +162,50 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "ioslice"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e571352c8a3b89074d12e3ee5173ffe162159105352aaaf1fc5764da747e31b"
-
-[[package]]
-name = "ld_so"
-version = "0.1.0"
-
 [[package]]
 name = "libc"
-version = "0.2.177"
+version = "0.2.176"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
+checksum = "58f929b4d672ea937a23a1ab494143d968337a5f47e56d0815df1e0890ddf174"
 
 [[package]]
-name = "libm"
+name = "linked_list_allocator"
-version = "0.2.15"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
+checksum = "9afa463f5405ee81cdb9cc2baf37e08ec7e4c8209442b5d72c04cfb2cd6e6286"
-
-[[package]]
-name = "libredox"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e02f3bb43d335493c96bf3fd3a321600bf6bd07ed34bc64118e9293bdffea46c"
 dependencies = [
- "bitflags",
+ "spinning_top",
- "libc",
- "plain",
- "redox_syscall",
 ]
 
-[[package]]
-name = "linux-raw-sys"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a385b1be4e5c3e362ad2ffa73c392e53f031eaa5b7d648e64cd87f27f6063d7"
-
 [[package]]
 name = "lock_api"
-version = "0.4.14"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "224399e74b87b5f3557511d98dff8b14089b3dadafcab6bb93eab67d3aace965"
+checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765"
 dependencies = [
+ "autocfg",
  "scopeguard",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.29"
+version = "0.4.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
+checksum = "34080505efa8e45a4b816c349525ebe327ceaa8559756f0356cba97ef3bf7432"
 
 [[package]]
-name = "md-5"
+name = "lz4_flex"
-version = "0.10.6"
+version = "0.11.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+checksum = "08ab2867e3eeeca90e844d1940eab391c9dc5228783db2ed999acbc0a9ed375a"
+
+[[package]]
+name = "raw-cpuid"
+version = "10.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c297679cb867470fa8c9f67dbba74a78d78e3e98d7cf2b08d6d71540f797332"
 dependencies = [
- "cfg-if",
+ "bitflags 1.3.2",
- "digest",
-]
-
-[[package]]
-name = "memchr"
-version = "2.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
-
-[[package]]
-name = "num-traits"
-version = "0.2.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
-name = "object"
-version = "0.36.7"
-source = "git+https://gitlab.redox-os.org/andypython/object#7270e3f0d06e5ef4c2b80abc6166d31f4ddf4fea"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "password-hash"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "346f04948ba92c43e8469c1ee6736c7563d71012b17d40745260fe106aac2166"
-dependencies = [
- "base64ct",
- "rand_core 0.6.4",
- "subtle",
-]
-
-[[package]]
-name = "pbkdf2"
-version = "0.12.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
-dependencies = [
- "digest",
- "hmac",
- "sha2",
-]
-
-[[package]]
-name = "phf"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "913273894cec178f401a31ec4b656318d95473527be05c0752cc41cdc32be8b7"
-dependencies = [
- "phf_shared",
-]
-
-[[package]]
-name = "phf_shared"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06005508882fb681fd97892ecff4b7fd0fee13ef1aa569f8695dae7ab9099981"
-dependencies = [
- "siphasher",
-]
-
-[[package]]
-name = "plain"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
-
-[[package]]
-name = "posix-regex"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66df580334caab2f744839ab1be85493d7ec731a92d6cf928008ab0b212bf3bc"
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.103"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
-dependencies = [
- "unicode-ident",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.42"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "rand"
-version = "0.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc266eb313df6c5c09c1c7b1fbe2510961e5bcd3add930c1e31f7ed9da0feff8"
-dependencies = [
- "rand_core 0.10.0",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-
-[[package]]
-name = "rand_core"
-version = "0.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c8d0fd677905edcbeedbf2edb6494d676f0e98d54d5cf9bda0b061cb8fb8aba"
-
-[[package]]
-name = "rand_jitter"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a02dd27aa28665e46e60168c8f355240c73b8a344d2557a92318849441ffda33"
-dependencies = [
- "libc",
- "rand_core 0.10.0",
- "winapi",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60aa6af80be32871323012e02e6e65f8a7cc7890931ae421d217ad8fe0df2ccf"
-dependencies = [
- "rand_core 0.10.0",
-]
-
-[[package]]
-name = "redox-ioctl"
-version = "0.1.0"
-dependencies = [
- "drm-sys",
- "redox_syscall",
 ]
 
 [[package]]
@@ -446,95 +215,75 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "436d45c2b6a5b159d43da708e62b25be3a4a3d5550d654b72216ade4c4bfd717"
 
 [[package]]
-name = "redox-rt"
+name = "redox_bootloader"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
- "generic-rt",
+ "byteorder",
- "goblin",
+ "dmidecode",
- "ioslice",
+ "fdt",
- "libredox",
+ "linked_list_allocator",
- "plain",
+ "log",
- "redox-path",
- "redox_syscall",
-]
-
-[[package]]
-name = "redox_event"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ea3e412d205440c7b0218af26247226f979ed1201674cda7a33cc70609084b5"
-dependencies = [
- "bitflags",
- "libredox",
  "redox_syscall",
+ "redox_uefi",
+ "redox_uefi_std",
+ "redoxfs",
+ "spin",
+ "x86",
 ]
 
 [[package]]
 name = "redox_syscall"
-version = "0.7.4"
+version = "0.5.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f450ad9c3b1da563fb6948a8e0fb0fb9269711c9c73d9ea1de5058c79c8d643a"
+checksum = "5407465600fb0548f1442edf71dd20683c6ed326200ace4b1ef0763521bb3b77"
 dependencies = [
- "bitflags",
+ "bitflags 2.9.4",
 ]
 
 [[package]]
-name = "relibc"
+name = "redox_uefi"
-version = "0.2.5"
+version = "0.1.14"
+source = "git+https://gitlab.redox-os.org/redox-os/uefi.git#26a499eeaf55d42fb24206830345e26fb8f5f835"
+
+[[package]]
+name = "redox_uefi_alloc"
+version = "0.1.14"
+source = "git+https://gitlab.redox-os.org/redox-os/uefi.git#26a499eeaf55d42fb24206830345e26fb8f5f835"
 dependencies = [
+ "redox_uefi",
+]
+
+[[package]]
+name = "redox_uefi_std"
+version = "0.1.14"
+source = "git+https://gitlab.redox-os.org/redox-os/uefi.git#26a499eeaf55d42fb24206830345e26fb8f5f835"
+dependencies = [
+ "redox_uefi",
+ "redox_uefi_alloc",
+]
+
+[[package]]
+name = "redoxfs"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "063eedabd74ddf71810e72aae1c73f3485ffc7b1e757d9466b9099046c05d7be"
+dependencies = [
+ "aes",
  "argon2",
  "base64ct",
- "bcrypt-pbkdf",
+ "bitflags 2.9.4",
- "bitflags",
+ "endian-num",
- "cbitset",
- "cc",
- "chrono",
- "chrono-tz",
- "dlmalloc",
- "generic-rt",
- "ioslice",
  "libc",
- "libm",
- "libredox",
  "log",
- "md-5",
+ "lz4_flex",
- "memchr",
- "object",
- "pbkdf2",
- "plain",
- "posix-regex",
- "rand",
- "rand_jitter",
- "rand_xorshift",
- "redox-ioctl",
  "redox-path",
- "redox-rt",
- "redox_event",
  "redox_syscall",
- "sc",
+ "seahash",
- "scrypt",
+ "uuid",
- "sha-crypt",
+ "xts-mode",
- "sha2",
- "spin",
- "unicode-width",
 ]
 
-[[package]]
-name = "salsa20"
-version = "0.10.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97a22f5af31f73a954c10289c93e8a50cc23d971e80ee446f1f6f7137a088213"
-dependencies = [
- "cipher",
-]
-
-[[package]]
-name = "sc"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "010e18bd3bfd1d45a7e666b236c78720df0d9a7698ebaa9c1c559961eb60a38b"
-
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -542,69 +291,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
-name = "scroll"
+name = "seahash"
-version = "0.13.0"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1257cd4248b4132760d6524d6dda4e053bc648c9070b960929bf50cfb1e7add"
+checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
-dependencies = [
- "scroll_derive",
-]
-
-[[package]]
-name = "scroll_derive"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed76efe62313ab6610570951494bdaa81568026e0318eaa55f167de70eeea67d"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "scrypt"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0516a385866c09368f0b5bcd1caff3366aace790fcd46e2bb032697bb172fd1f"
-dependencies = [
- "password-hash",
- "pbkdf2",
- "salsa20",
- "sha2",
-]
-
-[[package]]
-name = "sha-crypt"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88e79009728d8311d42d754f2f319a975f9e38f156fd5e422d2451486c78b286"
-dependencies = [
- "base64ct",
- "sha2",
-]
-
-[[package]]
-name = "sha2"
-version = "0.10.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
-dependencies = [
- "cfg-if",
- "cpufeatures",
- "digest",
-]
-
-[[package]]
-name = "shlex"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
-
-[[package]]
-name = "siphasher"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56199f7ddabf13fe5074ce809e7d3f42b42ae711800501b5b16ea82ad029c39d"
 
 [[package]]
 name = "spin"
@@ -615,40 +305,32 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "spinning_top"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b9eb1a2f4c41445a3a0ff9abc5221c5fcd28e1f13cd7c0397706f9ac938ddb0"
+dependencies = [
+ "lock_api",
+]
+
 [[package]]
 name = "subtle"
 version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
-[[package]]
-name = "syn"
-version = "2.0.110"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a99801b5bd34ede4cf3fc688c5919368fea4e4814a4664359503e6015b280aea"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "typenum"
-version = "1.19.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f"
 
 [[package]]
-name = "unicode-ident"
+name = "uuid"
-version = "1.0.22"
+version = "1.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "2f87b8aa10b915a06587d0dec516c282ff295b475d94abf425d62b57710070a2"
-
-[[package]]
-name = "unicode-width"
-version = "0.1.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
 
 [[package]]
 name = "version_check"
@@ -657,96 +339,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
-name = "winapi"
+name = "x86"
-version = "0.3.9"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+checksum = "2781db97787217ad2a2845c396a5efe286f87467a5810836db6d74926e94a385"
 dependencies = [
- "winapi-i686-pc-windows-gnu",
+ "bit_field",
- "winapi-x86_64-pc-windows-gnu",
+ "bitflags 1.3.2",
+ "raw-cpuid",
 ]
 
 [[package]]
-name = "winapi-i686-pc-windows-gnu"
+name = "xts-mode"
-version = "0.4.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+checksum = "09cbddb7545ca0b9ffa7bdc653e8743303e1712687a6918ced25f2cdbed42520"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "windows-sys"
-version = "0.59.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
 dependencies = [
- "windows-targets",
+ "byteorder",
+ "cipher",
 ]
-
-[[package]]
-name = "windows-targets"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
-dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_gnullvm",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
-]
-
-[[package]]
-name = "windows_aarch64_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
-
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
-
-[[package]]
-name = "windows_i686_gnu"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
-
-[[package]]
-name = "windows_i686_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
-
-[[package]]
-name = "windows_i686_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
-
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
-
-[[package]]
-name = "windows_x86_64_gnullvm"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
-
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.52.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"

Cargo.toml

@@ -1,148 +1,52 @@
 [package]
-name = "relibc"
+name = "redox_bootloader"
-version = "0.2.5"
+version = "1.0.0"
-authors = ["Jeremy Soller <jackpot51@gmail.com>"]
 edition = "2024"
 
+# UEFI uses bin target
+[[bin]]
+name = "bootloader"
+path = "src/main.rs"
+
+# BIOS uses lib target
 [lib]
-name = "relibc"
+name = "bootloader"
+path = "src/main.rs"
 crate-type = ["staticlib"]
 
-[workspace]
-members = [
-    "src/crt0",
-    "src/crti",
-    "src/crtn",
-    "redox-rt",
-    "ld_so",
-    "generic-rt",
-]
-exclude = ["tests", "dlmalloc-rs"]
-
-[workspace.lints.clippy]
-borrow_as_ptr = "deny"
-cast_lossless = "warn" # TODO review occurrences
-cast_possible_truncation = "allow" # TODO review occurrences
-cast_possible_wrap = "allow" # TODO review occurrences
-cast_precision_loss = "allow" # TODO review occurrences
-cast_ptr_alignment = "allow" # TODO review occurrences
-cast_sign_loss = "allow" # TODO review occurrences
-missing_errors_doc = "allow" # TODO review occurrences
-missing_panics_doc = "allow" # TODO review occurrences
-missing_safety_doc = "allow" # TODO review occurrences
-mut_from_ref = "warn" # TODO review occurrences
-precedence = "deny"
-ptr_as_ptr = "warn" # TODO review occurrences
-ptr_cast_constness = "warn" # TODO review occurrences
-ref_as_ptr = "warn" # TODO review occurrences
-upper_case_acronyms = "allow" # TODO review occurrences
-zero_ptr = "warn" # must allow on public constants due to cbindgen issue
-
-[workspace.lints.rust]
-dangling_pointers_from_temporaries = "deny"
-dead_code = "allow" # TODO review occuurences
-deprecated = "deny"
-improper_ctypes_definitions = "deny"
-internal_features = "allow" # core_intrinsics and lang_items
-irrefutable_let_patterns = "deny"
-mismatched_lifetime_syntaxes = "deny"
-non_camel_case_types = "allow" # needed for most POSIX type names
-non_snake_case = "allow" # TODO review occuurences
-non_upper_case_globals = "allow" # TODO review occuurences
-unexpected_cfgs = "deny"
-unpredictable_function_pointer_comparisons = "deny"
-unreachable_code = "allow" # TODO review occuurences
-unsafe_op_in_unsafe_fn = "deny"
-unused_imports = "deny"
-unused_must_use = "deny"
-unused_mut = "deny"
-unused_unsafe = "deny"
-unused_variables = "allow" # TODO review occurrences (too many for now)
-
-[lints]
-workspace = true
-
-[workspace.dependencies]
-bitflags = "2"
-ioslice = { version = "0.6", default-features = false }
-plain = "0.2"
-redox-path = "0.3"
-redox_protocols = { package = "libredox", version = "0.1.16", default-features = false, features = ["protocol"] }
-redox_syscall = "0.7.4"
-
-[build-dependencies]
-cc = "1"
-
 [dependencies]
-bitflags.workspace = true
+bitflags = "1.3.2"
-cbitset = "0.2"
+linked_list_allocator = "0.10.5"
-posix-regex = { version = "0.1.4", features = ["no_std"] }
+log = "0.4.17"
+redox_syscall = "0.5"
+spin = "0.9.5"
 
-rand = { version = "0.10", default-features = false }
+[dependencies.redoxfs]
-rand_xorshift = "0.5"
+version = "0.8"
-rand_jitter = "0.6"
-
-memchr = { version = "2.2.0", default-features = false }
-plain.workspace = true
-unicode-width = "0.1"
-__libc_only_for_layout_checks = { package = "libc", version = "0.2.149", optional = true }
-md5-crypto = { package = "md-5", version = "0.10.6", default-features = false }
-sha-crypt = { version = "0.5", default-features = false }
-base64ct = { version = "1.6", default-features = false, features = ["alloc"] }
-bcrypt-pbkdf = { version = "0.10", default-features = false, features = [
-    "alloc",
-] }
-scrypt = { version = "0.11", default-features = false, features = ["simple"] }
-pbkdf2 = { version = "0.12", features = ["sha2"] }
-sha2 = { version = "0.10", default-features = false }
-generic-rt = { path = "generic-rt" }
-chrono-tz = { version = "0.10", default-features = false }
-chrono = { version = "0.4", default-features = false, features = ["alloc"] }
-libm = "0.2"
-log = "0.4"
-spin = "0.9.8"
-argon2 = "0.5.3"
-
-[dependencies.dlmalloc]
-path = "dlmalloc-rs"
 default-features = false
-features = ["c_api"]
+features = ["log"]
 
-[dependencies.object]
+[target.'cfg(target_os = "uefi")'.dependencies]
-version = "0.36.7"
+redox_uefi = { git = "https://gitlab.redox-os.org/redox-os/uefi.git" }
-git = "https://gitlab.redox-os.org/andypython/object"
+redox_uefi_std = { git = "https://gitlab.redox-os.org/redox-os/uefi.git" }
-default-features = false
-features = ["elf", "read_core"]
 
-[target.'cfg(target_os = "linux")'.dependencies]
+#TODO: riscv cannot use target_os = "uefi" at this time
-sc = "0.2.7"
+[target.'cfg(target_arch = "riscv64")'.dependencies]
+redox_uefi = { git = "https://gitlab.redox-os.org/redox-os/uefi.git" }
+redox_uefi_std = { git = "https://gitlab.redox-os.org/redox-os/uefi.git" }
 
-[target.'cfg(target_os = "redox")'.dependencies]
+[target."aarch64-unknown-uefi".dependencies]
-redox_syscall.workspace = true
+dmidecode = "0.8.0"
-redox-rt = { path = "redox-rt" }
+
-redox-path.workspace = true
+[target."x86_64-unknown-uefi".dependencies]
-redox_event = { version = "0.4.6", default-features = false, features = [
+x86 = "0.52.0"
-    "redox_syscall",
+
-] }
+[target.'cfg(any(target_arch = "aarch64", target_arch = "riscv64"))'.dependencies]
-ioslice.workspace = true
+byteorder = { version = "1", default-features = false }
-redox-ioctl = { path = "redox-ioctl" }
+fdt = { git = "https://github.com/repnop/fdt.git", rev = "2fb1409edd1877c714a0aa36b6a7c5351004be54" }
-redox_protocols.workspace = true
 
 [features]
-# to enable trace level, take out this `no_trace`
+default = []
-default = ["check_against_libc_crate", "ld_so_cache", "no_trace"]
+live = []
-check_against_libc_crate = ["__libc_only_for_layout_checks"]
+serial_debug = []
-ld_so_cache = []
-math_libm = []
-no_trace = ["log/release_max_level_debug"]
-# for very verbose activity beyond trace level
-trace_tls = []
 
-[profile.dev]
-panic = "abort"
-
-[profile.release]
-panic = "abort"
-
-[patch.crates-io]
-cc-11 = { git = "https://github.com/tea/cc-rs", branch = "riscv-abi-arch-fix", package = "cc" }

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018 Redox OS
+Copyright (c) 2017-2022 Redox OS
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Makefile

@@ -1,226 +1,24 @@
-include config.mk
+TARGET?=x86_64-unknown-uefi
+SOURCE:=$(dir $(realpath $(lastword $(MAKEFILE_LIST))))
+BUILD:=$(CURDIR)
+export RUST_TARGET_PATH?=$(SOURCE)/targets
 
-CARGO?=cargo
-CARGO_TEST?=$(CARGO)
-CARGO_COMMON_FLAGS=-Z build-std=core,alloc,compiler_builtins
-CARGOFLAGS?=$(CARGO_COMMON_FLAGS)
-CC_WRAPPER?=
-RUSTCFLAGS?=
-LINKFLAGS?=-lgcc
-USE_RUST_LIBM?=
-TESTBIN?=
-export OBJCOPY?=objcopy
 
-export CARGO_TARGET_DIR?=$(shell pwd)/target
+include $(SOURCE)/mk/$(TARGET).mk
-BUILD?=$(CARGO_TARGET_DIR)/$(TARGET)
-CARGOFLAGS+=--target=$(TARGET)
-EXCEPT_MATH=-not -name "math"
-FEATURE_MATH=
-ifneq ($(USE_RUST_LIBM),)
-FEATURE_MATH=--features math_libm
-EXCEPT_MATH=
-endif
-
-TARGET_HEADERS?=$(BUILD)/include
-export CFLAGS=-I$(TARGET_HEADERS)
-
-PROFILE?=release
-
-HEADERS_UNPARSED=$(shell find src/header -mindepth 1 -maxdepth 1 -type d -not -name "_*" $(EXCEPT_MATH) -printf "%f\n")
-HEADERS_DEPS=$(shell find src/header -type f \( -name "cbindgen.toml" -o -name "*.rs" \))
-#HEADERS=$(patsubst %,%.h,$(subst _,/,$(HEADERS_UNPARSED)))
-
-SRC=\
-	Cargo.* \
-	$(shell find src/ redox-rt/src/ ld_so/src/ redox-ioctl/src/ include/ -type f)
-
-BUILTINS_VERSION=0.1.70
-
-.PHONY: all clean fmt install install-libs install-headers install-tests libs headers submodules test
-
-all: | headers libs
-
-headers: $(HEADERS_DEPS)
-	rm -rf $(TARGET_HEADERS)
-	mkdir -p $(TARGET_HEADERS)
-	cp -r include/* $(TARGET_HEADERS)
-ifeq ($(USE_RUST_LIBM),)
-	cp "openlibm/include"/*.h $(TARGET_HEADERS)
-	cp "openlibm/src"/*.h $(TARGET_HEADERS)
-endif
-	@set -e ; \
-	for header in $(HEADERS_UNPARSED); do \
-		if test -f "src/header/$$header/cbindgen.toml"; then \
-			echo -e "\033[0;36;49mWriting Header $$header\033[0m"; \
-			out=`echo "$$header" | sed 's/_/\//g'`; \
-			out="$(TARGET_HEADERS)/$$out.h"; \
-			cat "src/header/$$header/cbindgen.toml" cbindgen.globdefs.toml \
-				 | cbindgen "src/header/$$header/mod.rs" --config=/dev/stdin --output "$$out" 2>/dev/null; \
-		fi \
-	done; echo -e "\033[0;36;49mAll headers written\033[0m";
 
 clean:
-	$(CARGO) clean
+	rm -rf build target
-	$(MAKE) -C tests clean
-	rm -rf sysroot
 
-check:
+$(BUILD)/filesystem:
-	$(CARGO) check
-
-fmt:
-	./fmt.sh
-
-install-headers: headers libs
-	mkdir -pv "$(DESTDIR)/include"
-	cp -rv "$(TARGET_HEADERS)"/* "$(DESTDIR)/include"
-
-libs: \
-	$(BUILD)/$(PROFILE)/libc.a \
-	$(BUILD)/$(PROFILE)/libc.so \
-	$(BUILD)/$(PROFILE)/crt0.o \
-	$(BUILD)/$(PROFILE)/crti.o \
-	$(BUILD)/$(PROFILE)/crtn.o \
-	$(BUILD)/$(PROFILE)/ld.so
-
-install-libs: headers libs
-	mkdir -pv "$(DESTDIR)/lib"
-	cp -v "$(BUILD)/$(PROFILE)/libc.a" "$(DESTDIR)/lib"
-	cp -v "$(BUILD)/$(PROFILE)/libc.so" "$(DESTDIR)/lib"
-	ln -vnfs libc.so "$(DESTDIR)/lib/libc.so.6"
-	cp -v "$(BUILD)/$(PROFILE)/crt0.o" "$(DESTDIR)/lib"
-	ln -vnfs crt0.o "$(DESTDIR)/lib/crt1.o"
-	cp -v "$(BUILD)/$(PROFILE)/crti.o" "$(DESTDIR)/lib"
-	cp -v "$(BUILD)/$(PROFILE)/crtn.o" "$(DESTDIR)/lib"
-	cp -v "$(BUILD)/$(PROFILE)/ld.so" "$(DESTDIR)/$(LD_SO_PATH)"
-ifeq ($(USE_RUST_LIBM),)
-	cp -v "$(BUILD)/openlibm/libopenlibm.a" "$(DESTDIR)/lib/libm.a"
-endif
-	# Empty libraries for dl, pthread, and rt
-	$(AR) -rcs "$(DESTDIR)/lib/libdl.a"
-	$(AR) -rcs "$(DESTDIR)/lib/libpthread.a"
-	$(AR) -rcs "$(DESTDIR)/lib/librt.a"
-
-install-tests: tests
-	$(MAKE) -C tests
-	mkdir -p "$(DESTDIR)/relibc-tests"
-	cp -vr tests/build_$(TARGET)/* "$(DESTDIR)/relibc-tests/"
-
-install: install-headers install-libs
-
-submodules:
-	git submodule sync
-	git submodule update --init --recursive
-
-sysroot:
-	@mkdir -p $@
-
-.PHONY: sysroot/$(TARGET)
-sysroot/$(TARGET): | sysroot
-	rm -rf $@
-	rm -rf $@.partial
-	mkdir -p $@.partial
-	$(MAKE) install DESTDIR=$(shell pwd)/$@.partial
-	mv $@.partial $@
-	touch $@
-
-test: sysroot/$(TARGET)
-	# TODO: Fix SIGILL when running cargo test
-	# $(CARGO_TEST) test
-	$(MAKE) -C tests run
-
-test-once: sysroot/$(TARGET)
-	$(MAKE) -C tests run-once TESTBIN=$(TESTBIN)
-
-
-$(BUILD)/$(PROFILE)/libc.so: $(BUILD)/$(PROFILE)/libc.a
-	$(CC) -nostdlib \
-		-shared \
-		-Wl,--gc-sections \
-		-Wl,-z,pack-relative-relocs \
-		-Wl,--sort-common \
-		-Wl,--whole-archive $^ -Wl,--no-whole-archive \
-		-Wl,-soname,libc.so.6 \
-		$(LINKFLAGS) \
-		-o $@
-
-$(BUILD)/$(PROFILE)/ld.so: $(BUILD)/$(PROFILE)/ld_so.o $(BUILD)/$(PROFILE)/libc.a
-	# TODO: merge ld.so with libc.so: --dynamic-list=dynamic-list-file
-	$(LD) --shared -Bsymbolic --no-relax -T ld_so/ld_script/$(TARGET).ld --gc-sections $^ -o $@
-
-$(BUILD)/$(PROFILE)/libc.a: $(BUILD)/$(PROFILE)/librelibc.a $(BUILD)/openlibm/libopenlibm.a
-	echo "create $@" > "$@.mri"
-	for lib in $^; do\
-		echo "addlib $$lib" >> "$@.mri"; \
-	done
-	echo "save" >> "$@.mri"
-	echo "end" >> "$@.mri"
-	$(AR) -M < "$@.mri"
-
-# Debug targets
-
-$(BUILD)/debug/librelibc.a: $(SRC)
-	$(CARGO) rustc $(CARGOFLAGS) $(FEATURE_MATH) -- --emit link=$@ -g -C debug-assertions=no $(RUSTCFLAGS)
-	./renamesyms.sh "$@" "$(BUILD)/debug/deps/"
-	./stripcore.sh "$@"
-	touch $@
-
-$(BUILD)/debug/crt0.o: $(SRC)
-	$(CARGO) rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-$(BUILD)/debug/crti.o: $(SRC)
-	$(CARGO) rustc --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-$(BUILD)/debug/crtn.o: $(SRC)
-	$(CARGO) rustc --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-$(BUILD)/debug/ld_so.o: $(SRC)
-	$(CARGO) rustc --manifest-path ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort -g -C debug-assertions=no $(RUSTCFLAGS)
-	touch $@
-
-# Release targets
-
-$(BUILD)/release/librelibc.a: $(SRC)
-	$(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS)
-	@# TODO: Better to only allow a certain whitelisted set of symbols? Perhaps
-	@# use some cbindgen hook, specify them manually, or grep for #[unsafe(no_mangle)].
-	./renamesyms.sh "$@" "$(BUILD)/release/deps/"
-	./stripcore.sh "$@"
-	touch $@
-
-$(BUILD)/release/crt0.o: $(SRC)
-	$(CARGO) rustc --release --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-$(BUILD)/release/crti.o: $(SRC)
-	$(CARGO) rustc --release --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-$(BUILD)/release/crtn.o: $(SRC)
-	$(CARGO) rustc --release --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-$(BUILD)/release/ld_so.o: $(SRC)
-	$(CARGO) rustc --release --manifest-path ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS)
-	touch $@
-
-# Other targets
-
-$(BUILD)/openlibm: openlibm
-	rm -rf $@ $@.partial
 	mkdir -p $(BUILD)
-	cp -r $< $@.partial
+	rm -f $@.partial
+	mkdir $@.partial
+	fallocate -l 1MiB $@.partial/kernel
 	mv $@.partial $@
-	touch $@
 
-ifeq ($(USE_RUST_LIBM),)
+$(BUILD)/filesystem.bin: $(BUILD)/filesystem
-$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/$(PROFILE)/librelibc.a
+	mkdir -p $(BUILD)
-	$(MAKE) -s AR=$(AR) CC="$(CC_WRAPPER) $(CC)" LD=$(LD) CPPFLAGS="$(CPPFLAGS) -fno-stack-protector -I$(shell pwd)/include -I$(TARGET_HEADERS)" -C $< libopenlibm.a
+	rm -f $@.partial
-	./renamesyms.sh "$@" "$(BUILD)/release/deps/"
+	fallocate -l 254MiB $@.partial
-else
+	redoxfs-ar $@.partial $<
-$(BUILD)/openlibm/libopenlibm.a:
+	mv $@.partial $@
-	mkdir -p "$(BUILD)/openlibm"
-	$(AR) -rcs "$(BUILD)/openlibm/libopenlibm.a"
-endif

README.md

@@ -1,173 +1,62 @@
-# Redox C Library (relibc)
+# Bootloader
 
-relibc is a portable C standard library written in Rust and is under heavy development, this library contain the following items:
+Redox OS Bootloader
 
-- C, Linux, BSD functions and extensions
+## Requirements
-- POSIX compatibility layer
-- Interfaces for system components
 
-The motivation for this project is twofold: Reduce issues that the Redox developers were having with [newlib](https://sourceware.org/newlib/), and create a more stable and safe alternative to C standard libraries written in C. It is mainly designed to be used under Redox, as an alternative to newlib, but it also supports Linux via the [sc](https://crates.io/crates/sc) crate.
+These software needs to be available on the PATH at build time:
 
-Currently Redox and Linux are supported.
++ [mtools](https://www.gnu.org/software/mtools/)
++ [nasm](https://nasm.us/)
++ [redoxfs-ar](https://gitlab.redox-os.org/redox-os/redoxfs)
 
-## `redox-rt`
+## Building
-
-`redox-rt` is a runtime library that provides much of the code that enables POSIX on Redox, like `fork`, `exec`, signal handling, etc.
-Relibc uses it as backend in `src/platform/redox`, and it's intended to eventually be usable independently, without relibc.
-
-## Repository Layout
-
-- `include` - Header files (mostly macros and variadic functions `cbindgen` can't generate)
-- `src` - Source files
-- `src/c` - C code
-- `src/crt0` - Runtime code
-- `src/crti` - Runtime code
-- `src/crtn` - Runtime code
-- `src/header` - Header files implementation
-- `src/header/*` - Each folder has a `cbindgen.toml` file, it generates a C-to-Rust interface and header files
-- `src/ld_so` - Dynamic loader code
-- `src/platform` - Platform-specific and common code
-- `src/platform/redox` - Redox-specific code
-- `src/platform/linux` - Linux-specific code
-- `src/pthread` - pthread implementation
-- `src/sync` - Synchronization primitives
-- `tests` - C tests (each MR needs to give success in all of them)
-
-## Download the sources
-
-To download the relibc sources run the following command:
 
 ```sh
-git clone --recursive https://gitlab.redox-os.org/redox-os/relibc
+make TARGET=<triplet> BUILD=build all
 ```
 
-## Build Instructions
+The `<triplet>` is one of:
 
-To build relibc out of the Redox build system, do the following steps:
+| ARCH | Boot Mode | Triplets |
+|---|---|---|
+| `i686` | BIOS | `x86-unknown-none` |
+| `x86_64` | BIOS | `x86-unknown-none` |
+| `x86_64` | UEFI | `x86_64-unknown-uefi` |
+| `aarch64` | UEFI | `aarch64-unknown-uefi` |
+| `riscv64gc` | UEFI | `riscv64gc-unknown-uefi` |
 
-### Dependencies
+See [mk directory](./mk) for more information of how the build is working.
 
-- Install `cbindgen`
+## Entry points
+
+Please read [Boot Process](https://doc.redox-os.org/book/boot-process.html) in the Redox OS Book for an introductory guide.
+
+In this source code, some interesting files for entry points are:
+
++ BIOS boot stages: [asm/x86-unknown-none/bootloader.asm](./asm/x86-unknown-none/bootloader.asm)
++ BIOS boot entry: `fn start` at [src/os/bios/mod.rs](./src/os/bios/mod.rs)
++ UEFI boot entry: `fn main` at [src/os/uefi/mod.rs](src/os/uefi/mod.rs)
++ Common boot process: `fn main` at [src/main.rs](src/main.rs)
++ UEFI kernel entry: `fn kernel_entry` in each arch:
+  - `x86_64`: [src/os/uefi/arch/x86_64.rs](src/os/uefi/arch/x86_64.rs)
+  - `aarch64`: [src/os/uefi/arch/aarch64.rs](src/os/uefi/arch/aarch64.rs)
+  - `riscv64gc`: [src/os/uefi/arch/riscv64/mod.rs](src/os/uefi/arch/riscv64/mod.rs)
+
+## Debugging
+
+### QEMU
 
 ```sh
-cargo install cbindgen
+make TARGET=<triplet> BUILD=build qemu
 ```
 
-#### Install the `expect` tool
+## How To Contribute
 
-- Debian, Ubuntu and PopOS:
+To learn how to contribute to this system component you need to read the following document:
 
-```sh
+- [CONTRIBUTING.md](https://gitlab.redox-os.org/redox-os/redox/-/blob/master/CONTRIBUTING.md)
-sudo apt install expect
-```
 
-- Fedora:
+## Development
 
-```sh
+To learn how to do development with this system component inside the Redox build system you need to read the [Build System](https://doc.redox-os.org/book/build-system-reference.html) and [Coding and Building](https://doc.redox-os.org/book/coding-and-building.html) pages.
-sudo dnf install expect
-```
-
-- Arch Linux:
-
-```sh
-sudo pacman -S expect
-```
-
-### Build Relibc
-
-To build the relibc library objects, run the following command:
-
-```sh
-make all
-```
-
-- Clean old library objects and tests
-
-```sh
-make clean
-```
-
-## Build relibc inside the Redox build system
-
-Inside of your Redox build system, run:
-
-```sh
-make prefix
-```
-
-If you need to rebuild `relibc` for testing a Cookbook recipe, run:
-
-```sh
-touch relibc
-make prefix r.recipe-name
-```
-
-Touching (changing the "last modified time" of) the `relibc` folder is needed to trigger recompilation for `make prefix`. Replace `recipe-name` with your desired recipe name.
-
-Note: Do not edit `relibc` inside `prefix` folder! Do your work on `relibc` folder directly inside your Redox build system instead.
-
-## Tests
-
-Relibc has a test suite that also runs every time a new commit get pushed. You can see `.gitlab-ci.yml` to see how it's being executed. That being said, `./check.sh` is the recommended way to run tests. Here's few examples:
-
-+ `./check.sh` - Run build, without running the test
-+ `./check.sh --test` - Run all tests in x86_64 Redox using Redoxer
-+ `./check.sh --test --host` - Run all tests in host (Linux)
-+ `./check.sh --test --arch=aarch64` - Run all tests in specified arch
-  - Arch can be `x86_64`, `aarch64`, `i586`, or `riscv64gc`
-+ `./check.sh --test=stdio/printf` - Run a single test
-  - Can be combined with `--host` or `--arch`
-  - Will run statically linked test in Linux, dynamically linked in Redox
-
-Couple of notes:
-
-- Relibc and its tests will rebuild if files changed, however switching between arch or host requires you to run `make clean`
-- Redoxer is needed to run tests for Redox without `--host`. You can install it using `cargo install redoxer`
-- Tests can hangs, the test runner can anticipate this, assuming the kernel doesn't hang too.
-
-## Issues
-
-#### I'm building for my own platform which I run, and am getting `x86_64-linux-gnu-ar: command not found` (or similar)
-
-The Makefile expects GNU compiler tools prefixed with the platform specifier, as would be present when you installed a cross compiler. Since you are building for your own platform, some Linux distributions (like Manjaro) don't install/symlink the prefixed executables.
-
-An easy fix would be to replace the corresponding lines in `config.mk`, e.g.
-
-```diff
-ifeq ($(TARGET),x86_64-unknown-linux-gnu)
--	export CC=x86_64-linux-gnu-gcc
--	export LD=x86_64-linux-gnu-ld
--	export AR=x86_64-linux-gnu-ar
--	export NM=x86_64-linux-gnu-nm
-+       export CC=gcc
-+       export LD=ld
-+       export AR=ar
-+       export NM=nm
-	export OBJCOPY=objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/ld64.so.1
-endif
-```
-
-## Contributing
-
-Before starting to contribute, read [this](CONTRIBUTING.md) document.
-
-## Supported OSes
-
-- Redox OS
-- Linux
-
-## Supported architectures
-
-- i586 (Intel/AMD)
-- x86_64 (Intel/AMD)
-- aarch64 (ARM64)
-- riscv64gc (RISC-V)
-
-## Funding - _Unix-style Signals and Process Management_
-
-This project is funded through [NGI Zero Core](https://nlnet.nl/core), a fund established by [NLnet](https://nlnet.nl) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu) program. Learn more at the [NLnet project page](https://nlnet.nl/project/RedoxOS-Signals).
-
-[<img src="https://nlnet.nl/logo/banner.png" alt="NLnet foundation logo" width="20%" />](https://nlnet.nl)
-[<img src="https://nlnet.nl/image/logos/NGI0_tag.svg" alt="NGI Zero Logo" width="20%" />](https://nlnet.nl/core)

asm/arm/start.s

@@ -0,0 +1,17 @@
+interrupt_vector_table:
+    b . @ Reset
+    b . 
+    b . @ SWI instruction
+    b . 
+    b .
+    b .
+    b .
+    b .
+
+.comm stack, 0x10000 @ Reserve 64k stack in the BSS
+_start:
+    .globl _start
+    ldr sp, =stack+0x10000 @ Set up the stack
+    bl kstart @ Jump to the main function
+1: 
+    b 1b @ Halt

asm/x86-unknown-none/bootloader.asm

@@ -0,0 +1,31 @@
+sectalign off
+
+; stage 1 is sector 0, loaded at 0x7C00
+%include "stage1.asm"
+
+; GPT area from sector 1 to 33, loaded at 0x7E00
+times (33*512) db 0
+
+; stage 2, loaded at 0xC000
+stage2:
+    %include "stage2.asm"
+    align 512, db 0
+stage2.end:
+
+; the maximum size of stage2 is 4 KiB
+times (4*1024)-($-stage2) db 0
+
+; ISO compatibility, uses up space until 0x12400
+%include "iso.asm"
+
+times 3072 db 0 ; Pad to 0x13000
+
+; stage3, loaded at 0x13000
+stage3:
+    %defstr STAGE3_STR %[STAGE3]
+    incbin STAGE3_STR
+    align 512, db 0
+.end:
+
+; the maximum size of the boot loader portion is 384 KiB
+times (384*1024)-($-$$) db 0

asm/x86-unknown-none/cpuid.asm

@@ -0,0 +1,176 @@
+SECTION .text
+USE16
+
+cpuid_required_features:
+    .edx equ cpuid_edx.fpu | cpuid_edx.pse | cpuid_edx.pge | cpuid_edx.fxsr
+    .ecx equ 0
+
+cpuid_check:
+    ; If bit 21 of EFLAGS can be changed, then CPUID is supported
+    pushfd                               ;Save EFLAGS
+    pushfd                               ;Store EFLAGS
+    xor dword [esp],0x00200000           ;Invert the ID bit in stored EFLAGS
+    popfd                                ;Load stored EFLAGS (with ID bit inverted)
+    pushfd                               ;Store EFLAGS again (ID bit may or may not be inverted)
+    pop eax                              ;eax = modified EFLAGS (ID bit may or may not be inverted)
+    xor eax,[esp]                        ;eax = whichever bits were changed
+    popfd                                ;Restore original EFLAGS
+    test eax,0x00200000                  ;eax = zero if ID bit can't be changed, else non-zero
+    jz .no_cpuid
+
+    mov eax, 1
+    cpuid
+
+    and edx, cpuid_required_features.edx
+    cmp edx, cpuid_required_features.edx
+    jne .error
+
+    and ecx, cpuid_required_features.ecx
+    cmp ecx, cpuid_required_features.ecx
+    jne .error
+
+    ret
+
+.no_cpuid:
+    mov si, .msg_cpuid
+    call print
+
+    mov si, .msg_line
+    call print
+
+    jmp .halt
+
+.error:
+    push ecx
+    push edx
+
+    mov si, .msg_features
+    call print
+
+    mov si, .msg_line
+    call print
+
+    mov si, .msg_edx
+    call print
+
+    pop ebx
+    push ebx
+    shr ebx, 16
+    call print_hex
+
+    pop ebx
+    call print_hex
+
+    mov si, .msg_must_contain
+    call print
+
+    mov ebx, cpuid_required_features.edx
+    shr ebx, 16
+    call print_hex
+
+    mov ebx, cpuid_required_features.edx
+    call print_hex
+
+    mov si, .msg_line
+    call print
+
+    mov si, .msg_ecx
+    call print
+
+    pop ebx
+    push ebx
+    shr ebx, 16
+    call print_hex
+
+    pop ebx
+    call print_hex
+
+    mov si, .msg_must_contain
+    call print
+
+    mov ebx, cpuid_required_features.ecx
+    shr ebx, 16
+    call print_hex
+
+    mov ebx, cpuid_required_features.ecx
+    call print_hex
+
+    mov si, .msg_line
+    call print
+
+.halt:
+    cli
+    hlt
+    jmp .halt
+
+.msg_cpuid: db "CPUID not supported",0
+.msg_features: db "Required CPU features are not present",0
+.msg_line: db 13,10,0
+.msg_edx: db "EDX ",0
+.msg_ecx: db "ECX ",0
+.msg_must_contain: db " must contain ",0
+
+cpuid_edx:
+    .fpu                 equ 1 << 0
+    .vme                 equ 1 << 1
+    .de                  equ 1 << 2
+    .pse                 equ 1 << 3
+    .tsc                 equ 1 << 4
+    .msr                 equ 1 << 5
+    .pae                 equ 1 << 6
+    .mce                 equ 1 << 7
+    .cx8                 equ 1 << 8
+    .apic                equ 1 << 9
+    .sep                 equ 1 << 11
+    .mtrr                equ 1 << 12
+    .pge                 equ 1 << 13
+    .mca                 equ 1 << 14
+    .cmov                equ 1 << 15
+    .pat                 equ 1 << 16
+    .pse_36              equ 1 << 17
+    .psn                 equ 1 << 18
+    .clfsh               equ 1 << 19
+    .ds                  equ 1 << 21
+    .acpi                equ 1 << 22
+    .mmx                 equ 1 << 23
+    .fxsr                equ 1 << 24
+    .sse                 equ 1 << 25
+    .sse2                equ 1 << 26
+    .ss                  equ 1 << 27
+    .htt                 equ 1 << 28
+    .tm                  equ 1 << 29
+    .ia64                equ 1 << 30
+    .pbe                 equ 1 << 31
+
+cpuid_ecx:
+    .sse3                equ 1 << 0
+    .pclmulqdq           equ 1 << 1
+    .dtes64              equ 1 << 2
+    .monitor             equ 1 << 3
+    .ds_cpl              equ 1 << 4
+    .vmx                 equ 1 << 5
+    .smx                 equ 1 << 6
+    .est                 equ 1 << 7
+    .tm2                 equ 1 << 8
+    .ssse3               equ 1 << 9
+    .cnxt_id             equ 1 << 10
+    .sdbg                equ 1 << 11
+    .fma                 equ 1 << 12
+    .cmpxchg16b          equ 1 << 13
+    .xtpr                equ 1 << 14
+    .pdcm                equ 1 << 15
+    .pcid                equ 1 << 17
+    .dca                 equ 1 << 18
+    .sse4_1              equ 1 << 19
+    .sse4_2              equ 1 << 20
+    .x2apic              equ 1 << 21
+    .movbe               equ 1 << 22
+    .popcnt              equ 1 << 23
+    .tsc_deadline        equ 1 << 24
+    .aes                 equ 1 << 25
+    .xsave               equ 1 << 26
+    .osxsave             equ 1 << 27
+    .avx                 equ 1 << 28
+    .f16c                equ 1 << 29
+    .rdrand              equ 1 << 30
+    .hypervisor          equ 1 << 31

asm/x86-unknown-none/gdt.asm

@@ -0,0 +1,128 @@
+SECTION .text ; cannot use .data
+
+struc GDTEntry
+    .limitl resw 1
+    .basel resw 1
+    .basem resb 1
+    .attribute resb 1
+    .flags__limith resb 1
+    .baseh resb 1
+endstruc
+
+gdt_attr:
+    .present              equ 1 << 7
+    .ring1                equ 1 << 5
+    .ring2                equ 1 << 6
+    .ring3                equ 1 << 5 | 1 << 6
+    .user                 equ 1 << 4
+;user
+    .code                 equ 1 << 3
+;   code
+    .conforming           equ 1 << 2
+    .readable             equ 1 << 1
+;   data
+    .expand_down          equ 1 << 2
+    .writable             equ 1 << 1
+    .accessed             equ 1 << 0
+;system
+;   legacy
+    .tssAvailabe16        equ 0x1
+    .ldt                  equ 0x2
+    .tssBusy16            equ 0x3
+    .call16               equ 0x4
+    .task                 equ 0x5
+    .interrupt16          equ 0x6
+    .trap16               equ 0x7
+    .tssAvailabe32        equ 0x9
+    .tssBusy32            equ 0xB
+    .call32               equ 0xC
+    .interrupt32          equ 0xE
+    .trap32               equ 0xF
+;   long mode
+    .ldt32                equ 0x2
+    .tssAvailabe64        equ 0x9
+    .tssBusy64            equ 0xB
+    .call64               equ 0xC
+    .interrupt64          equ 0xE
+    .trap64               equ 0xF
+
+gdt_flag:
+    .granularity equ 1 << 7
+    .available equ 1 << 4
+;user
+    .default_operand_size equ 1 << 6
+;   code
+    .long_mode equ 1 << 5
+;   data
+    .reserved equ 1 << 5
+
+gdtr:
+    dw gdt.end + 1  ; size
+    dq gdt          ; offset
+
+gdt:
+.null equ $ - gdt
+    dq 0
+
+.lm64_code equ $ - gdt
+istruc GDTEntry
+    at GDTEntry.limitl, dw 0
+    at GDTEntry.basel, dw 0
+    at GDTEntry.basem, db 0
+    at GDTEntry.attribute, db gdt_attr.present | gdt_attr.user | gdt_attr.code
+    at GDTEntry.flags__limith, db gdt_flag.long_mode
+    at GDTEntry.baseh, db 0
+iend
+
+.lm64_data equ $ - gdt
+istruc GDTEntry
+    at GDTEntry.limitl, dw 0
+    at GDTEntry.basel, dw 0
+    at GDTEntry.basem, db 0
+; AMD System Programming Manual states that the writeable bit is ignored in long mode, but ss can not be set to this descriptor without it
+    at GDTEntry.attribute, db gdt_attr.present | gdt_attr.user | gdt_attr.writable
+    at GDTEntry.flags__limith, db 0
+    at GDTEntry.baseh, db 0
+iend
+
+.pm32_code equ $ - gdt
+    istruc GDTEntry
+        at GDTEntry.limitl, dw 0xFFFF
+        at GDTEntry.basel, dw 0
+        at GDTEntry.basem, db 0
+        at GDTEntry.attribute, db gdt_attr.present | gdt_attr.user | gdt_attr.code | gdt_attr.readable
+        at GDTEntry.flags__limith, db 0xF | gdt_flag.granularity | gdt_flag.default_operand_size
+        at GDTEntry.baseh, db 0
+    iend
+
+.pm32_data equ $ - gdt
+    istruc GDTEntry
+        at GDTEntry.limitl, dw 0xFFFF
+        at GDTEntry.basel, dw 0
+        at GDTEntry.basem, db 0
+        at GDTEntry.attribute, db gdt_attr.present | gdt_attr.user | gdt_attr.writable
+        at GDTEntry.flags__limith, db 0xF | gdt_flag.granularity | gdt_flag.default_operand_size
+        at GDTEntry.baseh, db 0
+    iend
+
+.pm16_code equ $ - gdt
+    istruc GDTEntry
+        at GDTEntry.limitl, dw 0xFFFF
+        at GDTEntry.basel, dw 0
+        at GDTEntry.basem, db 0
+        at GDTEntry.attribute, db gdt_attr.present | gdt_attr.user | gdt_attr.code | gdt_attr.readable
+        at GDTEntry.flags__limith, db 0xF
+        at GDTEntry.baseh, db 0
+    iend
+
+.pm16_data equ $ - gdt
+    istruc GDTEntry
+        at GDTEntry.limitl, dw 0xFFFF
+        at GDTEntry.basel, dw 0
+        at GDTEntry.basem, db 0
+        at GDTEntry.attribute, db gdt_attr.present | gdt_attr.user | gdt_attr.writable
+        at GDTEntry.flags__limith, db 0xF
+        at GDTEntry.baseh, db 0
+    iend
+
+.end equ $ - gdt

asm/x86-unknown-none/iso.asm

@@ -0,0 +1,161 @@
+; Simple ISO emulation with el torito
+
+; Fill until CD sector 0x10
+times (0x10*2048)-($-$$) db 0
+
+; Volume record
+;TODO: fill in more fields
+iso_volume_record:
+db 1 ; Type volume record
+db "CD001" ; Identifier
+db 1 ; Version
+db 0 ; Unused
+times 32 db ' ' ; System identifier
+.volume_id: ; Volume identifier
+db 'Redox OS'
+times 32-($-.volume_id) db ' '
+times 8 db 0 ; Unused
+db 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15 ; Volume space size (0x15)
+times 32 db 0 ; Unused
+db 0x01, 0x00, 0x00, 0x01 ; Volume set size
+db 0x01, 0x00, 0x00, 0x01 ; Volume sequence number
+db 0x00, 0x08, 0x08, 0x00 ; Logical block size in little and big endian
+
+times 156-($-iso_volume_record) db 0
+
+; Root directory entry
+.root_directory:
+db 0x22 ; Length of entry
+db 0x00 ; Length of extended attributes
+db 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14 ; Location of extent (0x14)
+db 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00 ; Size of extent
+db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ; Recording time
+db 0x02 ; File flags
+db 0x00 ; Interleaved file unit size
+db 0x00 ; Interleaved gap size
+db 0x01, 0x00, 0x00, 0x01 ; Volume sequence number
+db 0x01 ; Length of file identifier
+db 0x00 ; File identifier
+
+times 128 db ' ' ; Volume set identifier
+times 128 db ' ' ; Publisher identifier
+times 128 db ' ' ; Data preparer identifier
+times 128 db ' ' ; Application identifier
+times 37 db ' ' ; Copyright file ID
+times 37 db ' ' ; Abstract file ID
+times 37 db ' ' ; Bibliographic file ID
+
+times 881-($-iso_volume_record) db 0
+
+db 1 ; File structure version
+
+; Fill until CD sector 0x11
+times (0x11*2048)-($-$$) db 0
+
+; Boot record
+iso_boot_record:
+db 0 ; Type boot record
+db "CD001" ; Identifier
+db 1 ; Version
+db "EL TORITO SPECIFICATION" ; Boot system identifier
+times 0x47-($ - iso_boot_record) db 0 ; Padding
+dd 0x13 ; Sector of boot catalog
+
+; Fill until CD sector 0x12
+times (0x12*2048)-($-$$) db 0
+
+; Terminator
+iso_terminator:
+db 0xFF ; Type terminator
+db "CD001" ; Identifier
+db 1 ; Version
+
+; Fill until CD sector 0x13
+times (0x13*2048)-($-$$) db 0
+
+; Boot catalog
+iso_boot_catalog:
+
+; Validation entry
+.validation:
+db 1 ; Header ID
+db 0 ; Platform ID (x86)
+dw 0 ; Reserved
+times 24 db 0 ; ID string
+dw 0x55aa ; Checksum
+dw 0xaa55 ; Key
+
+; Default entry
+.default:
+db 0x88 ; Bootable
+db 4 ; Hard drive emulation
+dw 0 ; Load segment (0 is platform default)
+db 0xEE ; Partition type (0xEE is protective MBR)
+db 0 ; Unused
+dw 1 ; Sector count
+dd 0 ; Start address for virtual disk
+times 20 db 0 ; Padding
+
+; EFI section header entry
+.efi_section_header:
+db 0x91 ; Final header
+db 0xEF ; Platform ID (EFI)
+dw 1 ; Number of section header entries
+times 28 db 0 ; ID string
+
+; EFI section entry
+.efi_section_entry:
+db 0x88 ; Bootable
+db 0 ; No emulation
+dw 0 ; Load segment (0 is platform default)
+db 0 ; Partition type (not used)
+db 0 ; Unused
+dw 512 ; Sector count (1 MiB = 512 CD sectors)
+dd 512 ; Start address for virtual disk (1 MiB = 512 CD sectors)
+times 20 db 0 ; Padding
+
+; Fill until CD sector 0x14
+times (0x14*2048)-($-$$) db 0
+
+iso_root_directory:
+.self:
+db 0x22 ; Length of entry
+db 0x00 ; Length of extended attributes
+db 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14 ; Location of extent (0x14)
+db 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00 ; Size of extent
+db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ; Recording time
+db 0x02 ; File flags
+db 0x00 ; Interleaved file unit size
+db 0x00 ; Interleaved gap size
+db 0x01, 0x00, 0x00, 0x01 ; Volume sequence number
+db 0x01 ; Length of file identifier
+db 0x00 ; File identifier
+
+.parent:
+db 0x22 ; Length of entry
+db 0x00 ; Length of extended attributes
+db 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14 ; Location of extent (0x14)
+db 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00 ; Size of extent
+db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ; Recording time
+db 0x02 ; File flags
+db 0x00 ; Interleaved file unit size
+db 0x00 ; Interleaved gap size
+db 0x01, 0x00, 0x00, 0x01 ; Volume sequence number
+db 0x01 ; Length of file identifier
+db 0x01 ; File identifier
+
+.boot_cat:
+db 0x2C ; Length of entry
+db 0x00 ; Length of extended attributes
+db 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13 ; Location of extent (0x13)
+db 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00 ; Size of extent
+db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ; Recording time
+db 0x00 ; File flags
+db 0x00 ; Interleaved file unit size
+db 0x00 ; Interleaved gap size
+db 0x01, 0x00, 0x00, 0x01 ; Volume sequence number
+db 0x0A ; Length of file identifier
+db "BOOT.CAT;1",0 ; File identifier
+
+; Fill until CD sector 0x15
+times (0x15*2048)-($-$$) db 0

asm/x86-unknown-none/long_mode.asm

@@ -0,0 +1,56 @@
+SECTION .text
+USE32
+
+long_mode:
+.func: dq 0
+.page_table: dd 0
+
+.entry:
+    ; disable interrupts
+    cli
+
+    ; disable paging
+    mov eax, cr0
+    and eax, 0x7FFFFFFF
+    mov cr0, eax
+
+    ; enable FXSAVE/FXRSTOR, Page Global, Page Address Extension, and Page Size Extension
+    mov eax, cr4
+    or eax, 1 << 9 | 1 << 7 | 1 << 5 | 1 << 4
+    mov cr4, eax
+
+    ; load long mode GDT
+    lgdt [gdtr]
+
+    ; enable long mode
+    mov ecx, 0xC0000080               ; Read from the EFER MSR.
+    rdmsr
+    or eax, 1 << 11 | 1 << 8          ; Set the Long-Mode-Enable and NXE bit.
+    wrmsr
+
+    ; set page table
+    mov eax, [.page_table]
+    mov cr3, eax
+
+    ; enabling paging and protection simultaneously
+    mov eax, cr0
+    or eax, 1 << 31 | 1 << 16 | 1                ;Bit 31: Paging, Bit 16: write protect kernel, Bit 0: Protected Mode
+    mov cr0, eax
+
+    ; far jump to enable Long Mode and load CS with 64 bit segment
+    jmp gdt.lm64_code:.inner
+
+USE64
+
+.inner:
+    ; load all the other segments with 64 bit data segments
+    mov rax, gdt.lm64_data
+    mov ds, rax
+    mov es, rax
+    mov fs, rax
+    mov gs, rax
+    mov ss, rax
+
+    ; jump to specified function
+    mov rax, [.func]
+    jmp rax

asm/x86-unknown-none/print.asm

@@ -0,0 +1,67 @@
+SECTION .text
+USE16
+
+; provide function for printing in x86 real mode
+
+; print a string and a newline
+; CLOBBER
+;   ax
+print_line:
+    mov al, 13
+    call print_char
+    mov al, 10
+    jmp print_char
+
+; print a string
+; IN
+;   si: points at zero-terminated String
+; CLOBBER
+;   si, ax
+print:
+    pushf
+    cld
+.loop:
+    lodsb
+    test al, al
+    jz .done
+    call print_char
+    jmp .loop
+.done:
+    popf
+    ret
+
+; print a character
+; IN
+;   al: character to print
+print_char:
+    pusha
+    mov bx, 7
+    mov ah, 0x0e
+    int 0x10
+    popa
+    ret
+
+; print a number in hex
+; IN
+;   bx: the number
+; CLOBBER
+;   al, cx
+print_hex:
+    mov cx, 4
+.lp:
+    mov al, bh
+    shr al, 4
+
+    cmp al, 0xA
+    jb .below_0xA
+
+    add al, 'A' - 0xA - '0'
+.below_0xA:
+    add al, '0'
+
+    call print_char
+
+    shl bx, 4
+    loop .lp
+
+    ret

asm/x86-unknown-none/protected_mode.asm

@@ -0,0 +1,36 @@
+SECTION .text
+USE16
+
+protected_mode:
+
+.func: dd 0
+
+.entry:
+    ; disable interrupts
+    cli
+
+    ; load protected mode GDT
+    lgdt [gdtr]
+
+    ; set protected mode bit of cr0
+    mov eax, cr0
+    or eax, 1
+    mov cr0, eax
+
+    ; far jump to load CS with 32 bit segment
+    jmp gdt.pm32_code:.inner
+
+USE32
+
+.inner:
+    ; load all the other segments with 32 bit data segments
+    mov eax, gdt.pm32_data
+    mov ds, eax
+    mov es, eax
+    mov fs, eax
+    mov gs, eax
+    mov ss, eax
+
+    ; jump to specified function
+    mov eax, [.func]
+    jmp eax

asm/x86-unknown-none/stage1.asm

@@ -0,0 +1,222 @@
+ORG 0x7C00
+SECTION .text
+USE16
+
+stage1: ; dl comes with disk
+    ; initialize segment registers
+    xor ax, ax
+    mov ds, ax
+    mov es, ax
+    mov ss, ax
+
+    ; initialize stack
+    mov sp, 0x7C00
+
+    ; initialize CS
+    push ax
+    push word .set_cs
+    retf
+
+.set_cs:
+
+    ; save disk number
+    mov [disk], dl
+
+    mov si, stage_msg
+    call print
+    mov al, '1'
+    call print_char
+    call print_line
+
+    ; read CHS gemotry
+    ;  CL (bits 0-5) = maximum sector number
+    ;  CL (bits 6-7) = high bits of max cylinder number
+    ;  CH = low bits of maximum cylinder number
+    ;  DH = maximum head number
+    mov ah, 0x08
+    mov dl, [disk]
+    xor di, di
+    int 0x13
+    jc error ; carry flag set on error
+    mov bl, ch
+    mov bh, cl
+    shr bh, 6
+    mov [chs.c], bx
+    shr dx, 8
+    inc dx ; returns heads - 1
+    mov [chs.h], dx
+    and cl, 0x3f
+    mov [chs.s], cl
+
+    mov eax, (stage2 - stage1) / 512
+    mov bx, stage2
+    mov cx, (stage3.end - stage2) / 512
+    mov dx, 0
+    call load
+
+    mov si, stage_msg
+    call print
+    mov al, '2'
+    call print_char
+    call print_line
+
+    jmp stage2.entry
+
+; load some sectors from disk to a buffer in memory
+; buffer has to be below 1MiB
+; IN
+;   ax: start sector
+;   bx: offset of buffer
+;   cx: number of sectors (512 Bytes each)
+;   dx: segment of buffer
+; CLOBBER
+;   ax, bx, cx, dx, si
+; TODO rewrite to (eventually) move larger parts at once
+; if that is done increase buffer_size_sectors in startup-common to that (max 0x80000 - startup_end)
+load:
+    cmp cx, 127
+    jbe .good_size
+
+    pusha
+    mov cx, 127
+    call load
+    popa
+    add eax, 127
+    add dx, 127 * 512 / 16
+    sub cx, 127
+
+    jmp load
+.good_size:
+    mov [DAPACK.addr], eax
+    mov [DAPACK.buf], bx
+    mov [DAPACK.count], cx
+    mov [DAPACK.seg], dx
+
+    call print_dapack
+
+    cmp byte [chs.s], 0
+    jne .chs
+    ;INT 0x13 extended read does not work on CDROM!
+    mov dl, [disk]
+    mov si, DAPACK
+    mov ah, 0x42
+    int 0x13
+    jc error ; carry flag set on error
+    ret
+
+.chs:
+    ; calculate CHS
+    xor edx, edx
+    mov eax, [DAPACK.addr]
+    div dword [chs.s] ; divide by sectors
+    mov ecx, edx ; move sector remainder to ecx
+    xor edx, edx
+    div dword [chs.h] ; divide by heads
+    ; eax has cylinders, edx has heads, ecx has sectors
+
+    ; Sector cannot be greater than 63
+    inc ecx ; Sector is base 1
+    cmp ecx, 63
+    ja error_chs
+
+    ; Head cannot be greater than 255
+    cmp edx, 255
+    ja error_chs
+
+    ; Cylinder cannot be greater than 1023
+    cmp eax, 1023
+    ja error_chs
+
+    ; Move CHS values to parameters
+    mov ch, al
+    shl ah, 6
+    and cl, 0x3f
+    or cl, ah
+    shl dx, 8
+
+    ; read from disk using CHS
+    mov al, [DAPACK.count]
+    mov ah, 0x02 ; disk read (CHS)
+    mov bx, [DAPACK.buf]
+    mov dl, [disk]
+    push es ; save ES
+    mov es, [DAPACK.seg]
+    int 0x13
+    pop es ; restore EC
+    jc error ; carry flag set on error
+    ret
+
+print_dapack:
+    mov bx, [DAPACK.addr + 2]
+    call print_hex
+
+    mov bx, [DAPACK.addr]
+    call print_hex
+
+    mov al, '#'
+    call print_char
+
+    mov bx, [DAPACK.count]
+    call print_hex
+
+    mov al, ' '
+    call print_char
+
+    mov bx, [DAPACK.seg]
+    call print_hex
+
+    mov al, ':'
+    call print_char
+
+    mov bx, [DAPACK.buf]
+    call print_hex
+
+    call print_line
+
+    ret
+
+error_chs:
+    mov ah, 0
+
+error:
+    call print_line
+
+    mov bh, 0
+    mov bl, ah
+    call print_hex
+
+    mov al, ' '
+    call print_char
+
+    mov si, error_msg
+    call print
+    call print_line
+.halt:
+    cli
+    hlt
+    jmp .halt
+
+%include "print.asm"
+
+stage_msg: db "Stage ",0
+error_msg: db "ERROR",0
+
+disk: db 0
+
+chs:
+.c: dd 0
+.h: dd 0
+.s: dd 0
+
+DAPACK:
+        db 0x10
+        db 0
+.count: dw 0 ; int 13 resets this to # of blocks actually read/written
+.buf:   dw 0 ; memory buffer destination address (0:7c00)
+.seg:   dw 0 ; in memory page zero
+.addr:  dq 0 ; put the lba to read in this spot
+
+times 446-($-$$) db 0
+partitions: times 4 * 16 db 0
+db 0x55
+db 0xaa

asm/x86-unknown-none/stage2.asm

@@ -0,0 +1,134 @@
+SECTION .text
+USE16
+
+stage2.entry:
+    ; check for required features
+    call cpuid_check
+
+    ; enable A20-Line via IO-Port 92, might not work on all motherboards
+    in al, 0x92
+    or al, 2
+    out 0x92, al
+
+    mov dword [protected_mode.func], stage3.entry
+    jmp protected_mode.entry
+
+%include "cpuid.asm"
+%include "gdt.asm"
+%include "long_mode.asm"
+%include "protected_mode.asm"
+%include "thunk.asm"
+
+USE32
+
+stage3.entry:
+    ; stage3 stack at 448 KiB (512KiB minus 64KiB disk buffer)
+    mov esp, 0x70000
+
+    ; push arguments
+    mov eax, thunk.int16
+    push eax
+    mov eax, thunk.int15
+    push eax
+    mov eax, thunk.int13
+    push eax
+    mov eax, thunk.int10
+    push eax
+    xor eax, eax
+    mov al, [disk]
+    push eax
+    mov eax, kernel.entry
+    push eax
+    mov eax, [stage3 + 0x18]
+    call eax
+.halt:
+    cli
+    hlt
+    jmp .halt
+
+kernel:
+.stack: dq 0
+.func: dq 0
+.args: dq 0
+
+.entry:
+    ; page_table: usize
+    mov eax, [esp + 4]
+    mov [long_mode.page_table], eax
+
+    ; stack: u64
+    mov eax, [esp + 8]
+    mov [.stack], eax
+    mov eax, [esp + 12]
+    mov [.stack + 4], eax
+
+    ; func: u64
+    mov eax, [esp + 16]
+    mov [.func], eax
+    mov eax, [esp + 20]
+    mov [.func + 4], eax
+
+    ; args: *const KernelArgs
+    mov eax, [esp + 24]
+    mov [.args], eax
+
+    ; long_mode: usize
+    mov eax, [esp + 28]
+    test eax, eax
+    jz .inner32
+
+    mov eax, .inner64
+    mov [long_mode.func], eax
+    jmp long_mode.entry
+
+.inner32:
+    ; disable paging
+    mov eax, cr0
+    and eax, 0x7FFFFFFF
+    mov cr0, eax
+
+    ;TODO: PAE (1 << 5)
+    ; enable FXSAVE/FXRSTOR, Page Global, and Page Size Extension
+    mov eax, cr4
+    or eax, 1 << 9 | 1 << 7 | 1 << 4
+    mov cr4, eax
+
+    ; set page table
+    mov eax, [long_mode.page_table]
+    mov cr3, eax
+
+    ; enabling paging and protection simultaneously
+    mov eax, cr0
+    ; Bit 31: Paging, Bit 16: write protect kernel, Bit 0: Protected Mode
+    or eax, 1 << 31 | 1 << 16 | 1
+    mov cr0, eax
+    
+    ; enable FPU
+    ;TODO: move to Rust
+    mov eax, cr0
+    and al, 11110011b ; Clear task switched (3) and emulation (2)
+    or al, 00100010b ; Set numeric error (5) monitor co-processor (1)
+    mov cr0, eax
+    fninit
+
+    mov esp, [.stack]
+    mov eax, [.args]
+    push eax
+    mov eax, [.func]
+    call eax
+.halt32:
+    cli
+    hlt
+    jmp .halt32
+
+USE64
+
+.inner64:
+    mov rsp, [.stack]
+    mov rax, [.func]
+    mov rdi, [.args]
+    call rax
+.halt64:
+    cli
+    hlt
+    jmp .halt64

asm/x86-unknown-none/thunk.asm

@@ -0,0 +1,149 @@
+SECTION .text
+USE32
+
+thunk:
+.int10:
+    mov dword [.func], .int10_real
+    jmp .enter
+
+.int13:
+    mov dword [.func], .int13_real
+    jmp .enter
+
+.int15:
+    mov dword [.func], .int15_real
+    jmp .enter
+
+.int16:
+    mov dword [.func], .int16_real
+    jmp .enter
+
+.func: dd 0
+.esp: dd 0
+.cr0: dd 0
+
+.enter:
+    ; save flags
+    pushfd
+
+    ; save registers
+    pushad
+
+    ; save esp
+    mov [.esp], esp
+
+    ; load gdt
+    lgdt [gdtr]
+
+    ; far jump to protected mode 16-bit
+    jmp gdt.pm16_code:.pm16
+
+.exit:
+    ; set segment selectors to 32-bit protected mode
+    mov eax, gdt.pm32_data
+    mov ds, eax
+    mov es, eax
+    mov fs, eax
+    mov gs, eax
+    mov ss, eax
+
+    ; restore esp
+    mov esp, [.esp]
+
+    ; restore registers
+    popad
+
+    ; restore flags
+    popfd
+
+    ; return
+    ret
+
+USE16
+
+.int10_real:
+    int 0x10
+    ret
+
+.int13_real:
+    int 0x13
+    ret
+
+.int15_real:
+    int 0x15
+    ret
+
+.int16_real:
+    int 0x16
+    ret
+
+.pm16:
+    ; set segment selectors to protected mode 16-bit
+    mov eax, gdt.pm16_data
+    mov ds, eax
+    mov es, eax
+    mov fs, eax
+    mov gs, eax
+    mov ss, eax
+
+    ; save cr0
+    mov eax, cr0
+    mov [.cr0], eax
+
+    ; disable paging and protected mode
+    and eax, 0x7FFFFFFE
+    mov cr0, eax
+
+    ; far jump to real mode
+    jmp 0:.real
+
+.real:
+    ; set segment selectors to real mode
+    mov eax, 0
+    mov ds, eax
+    mov es, eax
+    mov fs, eax
+    mov gs, eax
+    mov ss, eax
+
+    ; set stack
+    mov esp, 0x7C00 - 64
+
+    ; load registers and ES
+    pop es
+    pop edi
+    pop esi
+    pop ebp
+    pop ebx
+    pop edx
+    pop ecx
+    pop eax
+
+    ; enable interrupts
+    sti
+
+    ; call real mode function
+    call [.func]
+
+    ; disable interrupts
+    cli
+
+    ; save registers and ES
+    push eax
+    push ecx
+    push edx
+    push ebx
+    push ebp
+    push esi
+    push edi
+    push es
+
+    ; load gdt (BIOS sometimes overwrites this)
+    lgdt [gdtr]
+
+    ; restore cr0, will enable protected mode
+    mov eax, [.cr0]
+    mov cr0, eax
+
+    ; far jump to protected mode 32-bit
+    jmp gdt.pm32_code:.exit

build.rs

@@ -1,30 +0,0 @@
-extern crate cc;
-
-use std::{env, fs};
-
-fn main() {
-    let _crate_dir = env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR not set");
-    let target = env::var("TARGET").unwrap();
-
-    println!("cargo:rerun-if-changed=src/c");
-
-    let mut cc_builder = &mut cc::Build::new();
-
-    cc_builder = cc_builder.flag("-nostdinc").flag("-nostdlib");
-
-    if target.starts_with("aarch64") {
-        cc_builder = cc_builder.flag("-mno-outline-atomics")
-    }
-
-    cc_builder
-        .flag("-fno-stack-protector")
-        .flag("-Wno-expansion-to-defined")
-        .files(
-            fs::read_dir("src/c")
-                .expect("src/c directory missing")
-                .map(|res| res.expect("read_dir error").path()),
-        )
-        .compile("relibc_c");
-
-    println!("cargo:rustc-link-lib=static=relibc_c");
-}

cbindgen.globdefs.toml

@@ -1,24 +0,0 @@
-
-# needs a leading newline
-[defines]
-"target_os=redox" = "__redox__"
-"target_os=linux" = "__linux__"
-"target_pointer_width=64" = "__LP64__"
-"target_pointer_width=32" = "__ILP32__"
-"target_arch=x86" = "__i386__"
-"target_arch=x86_64" = "__x86_64__"
-"target_arch=aarch64" = "__aarch64__"
-# This is not exact. It should be `defined(__riscv) && defined(__LP64__)`, or `defined(__riscv) && __riscv_xlen==64`
-# This will do however, as long as we only support riscv64 and not riscv32
-"target_arch=riscv64" = "__riscv"
-
-# XXX: silences a warning
-"feature = no_std" = "__relibc__"
-
-# Ensure attributes are passed down from Rust
-# <features.h> must be included where attributes are used in relibc
-[fn]
-must_use = "__nodiscard"
-deprecated = "__deprecated"
-deprecated_with_note = "__deprecatedNote({})"
-no_return = "__noreturn"

check.sh

@@ -1,168 +0,0 @@
-#!/bin/bash
-
-RED='\033[1;38;5;196m'
-GREEN='\033[1;38;5;46m'
-NC='\033[0m'
-
-show_help() {
-    echo "Usage: $(basename "$0") [OPTIONS]"
-    echo ""
-    echo "Description:"
-    echo "  Wrapper for Makefile / Cargo to run checks or tests on Redox OS targets."
-    echo ""
-    echo "Options:"
-    echo "  --test              Run 'make test' instead of 'make all'"
-    echo "  --test=             Run single 'make test'"
-    echo "  --cargo             Run 'cargo check' / 'cargo test' instead"
-    echo "                         (note: cargo test is currently not maintained for relibc)"
-    echo "  --host              Run the command on host (linux) target"
-    echo "  --all-target        Run the command on all supported Redox architectures"
-    echo "  --target=<target>   Override the target architecture (e.g., i586-unknown-redox)"
-    echo "  --arch=<arch>       Override the target architecture using arch (e.g., i586)"
-    echo "  --help              Show this help message"
-    echo ""
-    echo "Supported Targets:"
-    for t in "${SUPPORTED_TARGETS[@]}"; do
-        echo "  - $t"
-    done
-    echo "  - $(uname -m)-unknown-linux-gnu"
-    echo ""
-    echo "Environment:"
-    echo "  TARGET              Sets the default target (overridden by --target)"
-}
-
-if ! command -v cbindgen &> /dev/null; then
-    echo "Error: 'cbindgen' CLI not found."
-    echo "Please install it: cargo install cbindgen"
-    exit 1
-fi
-
-SUPPORTED_TARGETS=(
-    "x86_64-unknown-redox"
-    "i586-unknown-redox"
-    "aarch64-unknown-redox"
-    "riscv64gc-unknown-redox"
-)
-
-CURRENT_TARGET="${TARGET:-x86_64-unknown-redox}"
-CHECK_ALL=false
-CMD_ACTION="make"
-CARGO_ACTION="check"
-MAKE_ACTION="all"
-TEST_BIN=""
-IS_HOST=0
-
-while [[ $# -gt 0 ]]; do
-    case "$1" in
-        --all-target)
-            CHECK_ALL=true
-            ;;
-        --test)
-            MAKE_ACTION="test"
-            CARGO_ACTION="test"
-            ;;
-        --test=*)
-            TEST_BIN="${1#*=}"
-            MAKE_ACTION="test-once"
-            ;;
-        --cargo)
-            CMD_ACTION="cargo"
-            ;;
-        --host)
-            CURRENT_TARGET="$(uname -m)-unknown-linux-gnu"
-            IS_HOST=1
-            ;;
-        --target=*)
-            CURRENT_TARGET="${1#*=}"
-            ;;
-        --arch=*)
-            CURRENT_TARGET="${1#*=}-unknown-redox"
-            ;;
-        --help)
-            show_help
-            exit 0
-            ;;
-        *)
-            echo -e "${RED}Error: Unknown option '$1'${NC}"
-            show_help
-            exit 1
-            ;;
-    esac
-    shift
-done
-
-if [ "$IS_HOST" -eq 0 ]; then
-if ! command -v redoxer &> /dev/null; then
-    echo "Error: 'redoxer' CLI not found."
-    echo "Please install it: cargo install redoxer"
-    exit 1
-fi
-fi
-
-run_redoxer() {
-    export TARGET=$1
-    REDOXER_ENV="redoxer env"
-    if [ "$IS_HOST" -eq 0 ]; then
-        redoxer toolchain || { echo -e "${RED}Fail: redoxer toolchain for: $target.${NC}" && exit 1; }
-        export CARGO_TEST="redoxer"
-        export TEST_RUNNER="redoxer exec --folder ../../sysroot/$TARGET/:/usr --folder . --"
-# TODO: Identify hang issue with pthread/barrier and pthread/once tests in multi core to get rid of this limit
-        export REDOXER_QEMU_ARGS="-smp 1"
-
-        MAKE_ACTION="$MAKE_ACTION IS_REDOX=1"
-    else
-        REDOXER_ENV=""
-    fi
-
-    if [ "$TEST_BIN" != "" ]; then
-        if [ "$IS_HOST" -eq 0 ]; then
-            MAKE_ACTION="$MAKE_ACTION TESTBIN=bins_dynamic/$TEST_BIN"
-        else
-            MAKE_ACTION="$MAKE_ACTION TESTBIN=bins_static/$TEST_BIN"
-        fi
-    fi
-
-    if [ "$CMD_ACTION" == "make" ]; then
-        CMD_OPT="-j $(nproc) $MAKE_ACTION"
-    else
-        CMD_OPT="$CARGO_ACTION"
-    fi
-
-    echo "----------------------------------------"
-    echo "Running $REDOXER_ENV $CMD_ACTION $CMD_OPT for: $TARGET"
-    
-    if $REDOXER_ENV $CMD_ACTION $CMD_OPT; then
-        return 0
-    else
-        echo -e "${RED}Fail: $CMD_ACTION $CMD_OPT for $TARGET failed.${NC}"
-        return 1
-    fi
-}
-
-if [ "$CHECK_ALL" = true ]; then
-    echo "Running $CMD_ACTION for all supported Redox targets..."
-    
-    has_error=false
-    
-    for target in "${SUPPORTED_TARGETS[@]}"; do
-        if ! run_redoxer "$target"; then
-            has_error=true
-        fi
-    done
-    
-    echo "----------------------------------------"
-    if [ "$has_error" = true ]; then
-        echo -e "${RED}Summary: One or more targets failed.${NC}"
-        exit 1
-    else
-        echo -e "${GREEN}Summary: All targets passed!${NC}"
-        exit 0
-    fi
-else
-    if run_redoxer "$CURRENT_TARGET"; then
-        echo -e "${GREEN}Success: $CARGO_ACTION for $CURRENT_TARGET passed.${NC}"
-        exit 0
-    else
-        exit 1
-    fi
-fi

config.mk

@@ -1,73 +0,0 @@
-ifndef TARGET
-	export TARGET:=$(shell rustc -Z unstable-options --print target-spec-json | grep llvm-target | cut -d '"' -f4)
-endif
-
-ifeq ($(TARGET),aarch64-unknown-linux-gnu)
-	export CC=aarch64-linux-gnu-gcc
-	export LD=aarch64-linux-gnu-ld
-	export AR=aarch64-linux-gnu-ar
-	export NM=aarch64-linux-gnu-nm
-	export OBJCOPY=aarch64-linux-gnu-objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/ld.so.1
-endif
-
-ifeq ($(TARGET),aarch64-unknown-redox)
-	export CC=aarch64-unknown-redox-gcc
-	export LD=aarch64-unknown-redox-ld
-	export AR=aarch64-unknown-redox-ar
-	export NM=aarch64-unknown-redox-nm
-	export OBJCOPY=aarch64-unknown-redox-objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/ld.so.1
-endif
-
-ifeq ($(TARGET),i586-unknown-redox)
-	export CC=i586-unknown-redox-gcc
-	export LD=i586-unknown-redox-ld
-	export AR=i586-unknown-redox-ar
-	export NM=i586-unknown-redox-nm
-	export OBJCOPY=i586-unknown-redox-objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/libc.so.1
-endif
-
-ifeq ($(TARGET),i686-unknown-redox)
-	export CC=i686-unknown-redox-gcc
-	export LD=i686-unknown-redox-ld
-	export AR=i686-unknown-redox-ar
-	export NM=i686-unknown-redox-nm
-	export OBJCOPY=i686-unknown-redox-objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/libc.so.1
-endif
-
-ifeq ($(TARGET),x86_64-unknown-linux-gnu)
-	export CC=x86_64-linux-gnu-gcc
-	export LD=x86_64-linux-gnu-ld
-	export AR=x86_64-linux-gnu-ar
-	export NM=x86_64-linux-gnu-nm
-	export OBJCOPY=objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/ld64.so.1
-endif
-
-ifeq ($(TARGET),x86_64-unknown-redox)
-	export CC=x86_64-unknown-redox-gcc
-	export LD=x86_64-unknown-redox-ld
-	export AR=x86_64-unknown-redox-ar
-	export NM=x86_64-unknown-redox-nm
-	export OBJCOPY=x86_64-unknown-redox-objcopy
-	export CPPFLAGS=
-	LD_SO_PATH=lib/ld64.so.1
-endif
-
-ifeq ($(TARGET),riscv64gc-unknown-redox)
-	export CC=riscv64-unknown-redox-gcc
-	export LD=riscv64-unknown-redox-ld
-	export AR=riscv64-unknown-redox-ar
-	export NM=riscv64-unknown-redox-nm
-	export OBJCOPY=riscv64-unknown-redox-objcopy
-	export CPPFLAGS=-march=rv64gc -mabi=lp64d
-	LD_SO_PATH=lib/ld.so.1
-endif

dlmalloc-rs/.github/workflows/main.yml

@@ -1,117 +0,0 @@
-name: CI
-on: [push, pull_request]
-
-jobs:
-  test:
-    name: Test
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        include:
-          - os: ubuntu-latest
-            rust: stable
-          - os: ubuntu-latest
-            rust: beta
-          - os: ubuntu-latest
-            rust: nightly
-          - os: macos-latest
-            rust: stable
-          - os: windows-latest
-            rust: stable
-          - os: ubuntu-latest
-            rust: stable
-            target: wasm32-wasip1
-    steps:
-    - uses: actions/checkout@v4
-    - run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
-      shell: bash
-
-    # Configure cross-builds by adding the rustup target and configuring future
-    # cargo invocations.
-    - run: |
-        rustup target add ${{ matrix.target }}
-        echo CARGO_BUILD_TARGET=${{ matrix.target }} >> $GITHUB_ENV
-      if: matrix.target != ''
-
-    # For wasm install wasmtime as a test runner and configure it with Cargo.
-    - name: Setup `wasmtime`
-      uses: bytecodealliance/actions/wasmtime/setup@v1
-      if: matrix.target == 'wasm32-wasip1'
-    - run: echo CARGO_TARGET_WASM32_WASIP1_RUNNER=wasmtime >> $GITHUB_ENV
-      if: matrix.target == 'wasm32-wasip1'
-
-    - run: cargo test
-    - run: cargo test --features debug
-    - run: cargo test --features global
-    - run: cargo test --release
-      env:
-        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
-    - run: cargo test --release
-      env:
-        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: false
-    - run: cargo test --features debug --release
-      env:
-        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
-    - run: RUSTFLAGS='--cfg test_lots' cargo test --release
-      shell: bash
-      env:
-        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
-    - run: RUSTFLAGS='--cfg test_lots' cargo test --release --features debug
-      shell: bash
-      env:
-        CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS: true
-
-  rustfmt:
-    name: Rustfmt
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      run: rustup update stable && rustup default stable && rustup component add rustfmt
-    - run: cargo fmt -- --check
-
-  wasm:
-    name: WebAssembly
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      run: rustup update stable && rustup default stable && rustup target add wasm32-unknown-unknown
-    - run: cargo build --target wasm32-unknown-unknown
-    - run: cargo build --target wasm32-unknown-unknown --release
-
-  external-platform:
-    name: external-platform
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      run: rustup update stable && rustup default stable && rustup target add x86_64-fortanix-unknown-sgx
-    - run: cargo build --target x86_64-fortanix-unknown-sgx
-
-  fuzz:
-    name: Build Fuzzers
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Rust
-      run: rustup update nightly && rustup default nightly
-    - run: cargo install cargo-fuzz
-    - run: cargo fuzz build --dev
-
-  miri:
-    name: Miri
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - name: Install Miri
-      run: |
-        rustup toolchain install nightly --component miri
-        rustup override set nightly
-        cargo miri setup
-    - name: Test with Miri Stack Borrows
-      run: cargo miri test
-    - name: Test with Miri Tree Borrows
-      run: cargo miri test
-      env:
-        MIRIFLAGS: -Zmiri-tree-borrows

dlmalloc-rs/.gitignore

@@ -1,3 +0,0 @@
-/target/
-**/*.rs.bk
-Cargo.lock

dlmalloc-rs/Cargo.toml

@@ -1,70 +0,0 @@
-[package]
-name = "dlmalloc"
-version = "0.2.8"
-authors = ["Alex Crichton <alex@alexcrichton.com>"]
-license = "MIT/Apache-2.0"
-readme = "README.md"
-repository = "https://github.com/alexcrichton/dlmalloc-rs"
-homepage = "https://github.com/alexcrichton/dlmalloc-rs"
-documentation = "https://docs.rs/dlmalloc"
-description = """
-A Rust port of the dlmalloc allocator
-"""
-edition.workspace = true
-
-[workspace]
-members = ['fuzz']
-
-[workspace.package]
-edition = '2021'
-
-[package.metadata.docs.rs]
-features = ['global']
-
-[lib]
-doctest = false
-
-[target.'cfg(all(unix, not(target_arch = "wasm32")))'.dependencies]
-libc = { version = "0.2", default-features = false, optional = true }
-
-[dependencies]
-# For more information on these dependencies see rust-lang/rust's
-# `src/tools/rustc-std-workspace` folder
-core = { version = '1.0.0', optional = true, package = 'rustc-std-workspace-core' }
-compiler_builtins = { version = '0.1.0', optional = true }
-cfg-if = "1.0"
-
-[target.'cfg(target_os = "windows")'.dependencies.windows-sys]
-version = ">=0.52.0, <=0.59.*"
-features = [
-  "Win32_Foundation",
-  "Win32_System_Memory",
-  "Win32_System_Threading",
-  "Win32_System_SystemInformation",
-]
-
-[dev-dependencies]
-arbitrary = "1.3.2"
-rand = { version = "0.8", features = ['small_rng'] }
-
-[profile.release]
-debug-assertions = true
-
-[features]
-# Enable implementations of the `GlobalAlloc` standard library API, exporting a
-# new `GlobalDlmalloc` as well which implements this trait.
-global = ["system", "rust_api"]
-
-# Enable very expensive debug checks in this crate
-debug = []
-
-# Enables OS APIs based on the current target, can be implemented manually
-# otherwise.
-system = ["libc"]
-
-rustc-dep-of-std = ['core', 'compiler_builtins/rustc-dep-of-std']
-
-c_api = []
-rust_api = []
-
-default = ["global", "rust_api"]

dlmalloc-rs/LICENSE-APACHE

@@ -1,201 +0,0 @@
-                              Apache License
-                        Version 2.0, January 2004
-                     http://www.apache.org/licenses/
-
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-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.

dlmalloc-rs/LICENSE-MIT

@@ -1,25 +0,0 @@
-Copyright (c) 2014 Alex Crichton
-
-Permission is hereby granted, free of charge, to any
-person obtaining a copy of this software and associated
-documentation files (the "Software"), to deal in the
-Software without restriction, including without
-limitation the rights to use, copy, modify, merge,
-publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software
-is furnished to do so, subject to the following
-conditions:
-
-The above copyright notice and this permission notice
-shall be included in all copies or substantial portions
-of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
-ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
-TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
-PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
-SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
-IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.

dlmalloc-rs/README.md

@@ -1,40 +0,0 @@
-# dlmalloc-rs
-
-A port of [dlmalloc] to Rust.
-
-[Documentation](https://docs.rs/dlmalloc)
-
-[dlmalloc]: https://gee.cs.oswego.edu/dl/html/malloc.html
-
-## Why dlmalloc?
-
-This crate is a port of [dlmalloc] to Rust, and doesn't rely on C. The primary
-purpose of this crate is to serve as the default allocator for Rust on the
-`wasm32-unknown-unknown` target. At the time this was written the wasm target
-didn't support C code, so it was required to have a Rust-only solution.
-
-This allocator is not the most performant by a longshot. It is primarily, I
-think, intended for being easy to port and easy to learn. I didn't dive too deep
-into the implementation when writing it, it's just a straight port of the C
-version.
-
-It's unlikely that Rust code needs to worry/interact with this allocator in
-general. Most of the time you'll be manually switching to a different allocator
-:)
-
-# License
-
-This project is licensed under either of
-
- * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
-   http://www.apache.org/licenses/LICENSE-2.0)
- * MIT license ([LICENSE-MIT](LICENSE-MIT) or
-   http://opensource.org/licenses/MIT)
-
-at your option.
-
-### Contribution
-
-Unless you explicitly state otherwise, any contribution intentionally submitted
-for inclusion in this project by you, as defined in the Apache-2.0 license,
-shall be dual licensed as above, without any additional terms or conditions.

dlmalloc-rs/fuzz/.gitignore

@@ -1,2 +0,0 @@
-corpus
-artifacts

dlmalloc-rs/fuzz/Cargo.toml

@@ -1,19 +0,0 @@
-[package]
-name = "dlmalloc-fuzz"
-version = "0.0.1"
-publish = false
-edition.workspace = true
-
-[package.metadata]
-cargo-fuzz = true
-
-[dependencies]
-arbitrary = "1.3.2"
-dlmalloc = { path = '..' }
-libfuzzer-sys = "0.4.7"
-
-[[bin]]
-name = "alloc"
-path = "fuzz_targets/alloc.rs"
-test = false
-bench = false

dlmalloc-rs/fuzz/fuzz_targets/alloc.rs

@@ -1,8 +0,0 @@
-#![no_main]
-
-use arbitrary::Unstructured;
-use libfuzzer_sys::fuzz_target;
-
-fuzz_target!(|bytes: &[u8]| {
-    let _ = dlmalloc_fuzz::run(&mut Unstructured::new(bytes));
-});

dlmalloc-rs/fuzz/src/lib.rs

@@ -1,108 +0,0 @@
-use arbitrary::{Result, Unstructured};
-use dlmalloc::Dlmalloc;
-use std::cmp;
-
-const MAX_ALLOCATED: usize = 100 << 20; // 100 MB
-
-pub fn run(u: &mut Unstructured<'_>) -> Result<()> {
-    let mut a = Dlmalloc::new();
-    let mut ptrs = Vec::new();
-    let mut allocated = 0;
-    unsafe {
-        while u.arbitrary()? {
-            // If there are pointers to free then have a chance of deallocating
-            // a pointer. Try not to deallocate things until there's a "large"
-            // working set but afterwards give it a 50/50 chance of allocating
-            // or deallocating.
-            let free = match ptrs.len() {
-                0 => false,
-                0..=10_000 => u.ratio(1, 3)?,
-                _ => u.arbitrary()?,
-            };
-            if free {
-                let idx = u.choose_index(ptrs.len())?;
-                let (ptr, size, align) = ptrs.swap_remove(idx);
-                allocated -= size;
-                a.free(ptr, size, align);
-                continue;
-            }
-
-            // 1/100 chance of reallocating a pointer to a different size.
-            if ptrs.len() > 0 && u.ratio(1, 100)? {
-                let idx = u.choose_index(ptrs.len())?;
-                let (ptr, size, align) = ptrs.swap_remove(idx);
-
-                // Arbitrarily choose whether to make this allocation either
-                // twice as large or half as small.
-                let new_size = if u.arbitrary()? {
-                    u.int_in_range(size..=size * 2)?
-                } else if size > 10 {
-                    u.int_in_range(size / 2..=size)?
-                } else {
-                    continue;
-                };
-                if allocated + new_size - size > MAX_ALLOCATED {
-                    ptrs.push((ptr, size, align));
-                    continue;
-                }
-                allocated -= size;
-                allocated += new_size;
-
-                // Perform the `realloc` and assert that all bytes were copied.
-                let mut tmp = Vec::new();
-                for i in 0..cmp::min(size, new_size) {
-                    tmp.push(*ptr.offset(i as isize));
-                }
-                let ptr = a.realloc(ptr, size, align, new_size);
-                assert!(!ptr.is_null());
-                for (i, byte) in tmp.iter().enumerate() {
-                    assert_eq!(*byte, *ptr.offset(i as isize));
-                }
-                ptrs.push((ptr, new_size, align));
-            }
-
-            // Aribtrarily choose a size to allocate as well as an alignment.
-            // Enable small sizes with standard alignment happening a fair bit.
-            let size = if u.arbitrary()? {
-                u.int_in_range(1..=128)?
-            } else {
-                u.int_in_range(1..=128 * 1024)?
-            };
-            let align = if u.ratio(1, 10)? {
-                1 << u.int_in_range(3..=8)?
-            } else {
-                8
-            };
-
-            if size + allocated > MAX_ALLOCATED {
-                continue;
-            }
-            allocated += size;
-
-            // Choose arbitrarily between a zero-allocated chunk and a normal
-            // allocated chunk.
-            let zero = u.ratio(1, 50)?;
-            let ptr = if zero {
-                a.calloc(size, align)
-            } else {
-                a.malloc(size, align)
-            };
-            for i in 0..size {
-                if zero {
-                    assert_eq!(*ptr.offset(i as isize), 0);
-                }
-                *ptr.offset(i as isize) = 0xce;
-            }
-            ptrs.push((ptr, size, align));
-        }
-
-        // Deallocate everythign when we're done.
-        for (ptr, size, align) in ptrs {
-            a.free(ptr, size, align);
-        }
-
-        a.destroy();
-    }
-
-    Ok(())
-}

dlmalloc-rs/src/dummy.rs

@@ -1,42 +0,0 @@
-use crate::Allocator;
-use core::ptr;
-
-pub struct System {
-    _priv: (),
-}
-
-impl System {
-    pub const fn new() -> System {
-        System { _priv: () }
-    }
-}
-
-unsafe impl Allocator for System {
-    fn alloc(&self, _size: usize) -> (*mut u8, usize, u32) {
-        (ptr::null_mut(), 0, 0)
-    }
-
-    fn remap(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize, _can_move: bool) -> *mut u8 {
-        ptr::null_mut()
-    }
-
-    fn free_part(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize) -> bool {
-        false
-    }
-
-    fn free(&self, _ptr: *mut u8, _size: usize) -> bool {
-        false
-    }
-
-    fn can_release_part(&self, _flags: u32) -> bool {
-        false
-    }
-
-    fn allocates_zeros(&self) -> bool {
-        false
-    }
-
-    fn page_size(&self) -> usize {
-        1
-    }
-}

dlmalloc-rs/src/global.rs

@@ -1,56 +0,0 @@
-use crate::Dlmalloc;
-use core::alloc::{GlobalAlloc, Layout};
-use core::ptr;
-
-pub use crate::sys::enable_alloc_after_fork;
-
-/// An instance of a "global allocator" backed by `Dlmalloc`
-///
-/// This API requires the `global` feature is activated, and this type
-/// implements the `GlobalAlloc` trait in the standard library.
-pub struct GlobalDlmalloc;
-
-static mut DLMALLOC: Dlmalloc = Dlmalloc::new();
-
-unsafe impl GlobalAlloc for GlobalDlmalloc {
-    #[inline]
-    unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
-        let _guard = lock();
-        let dlmalloc = ptr::addr_of_mut!(DLMALLOC);
-        (*dlmalloc).malloc(layout.size(), layout.align())
-    }
-
-    #[inline]
-    unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
-        let _guard = lock();
-        let dlmalloc = ptr::addr_of_mut!(DLMALLOC);
-        (*dlmalloc).free(ptr, layout.size(), layout.align())
-    }
-
-    #[inline]
-    unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
-        let _guard = lock();
-        let dlmalloc = ptr::addr_of_mut!(DLMALLOC);
-        (*dlmalloc).calloc(layout.size(), layout.align())
-    }
-
-    #[inline]
-    unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
-        let _guard = lock();
-        let dlmalloc = ptr::addr_of_mut!(DLMALLOC);
-        (*dlmalloc).realloc(ptr, layout.size(), layout.align(), new_size)
-    }
-}
-
-unsafe fn lock() -> impl Drop {
-    crate::sys::acquire_global_lock();
-
-    struct Guard;
-    impl Drop for Guard {
-        fn drop(&mut self) {
-            crate::sys::release_global_lock()
-        }
-    }
-
-    Guard
-}

dlmalloc-rs/src/lib.rs

@@ -1,230 +0,0 @@
-//! A Rust port of the `dlmalloc` allocator.
-//!
-//! The `dlmalloc` allocator is described at
-//! <https://gee.cs.oswego.edu/dl/html/malloc.html> and this Rust crate is a straight
-//! port of the C code for the allocator into Rust. The implementation is
-//! wrapped up in a `Dlmalloc` type and has support for Linux, OSX, and Wasm
-//! currently.
-//!
-//! The primary purpose of this crate is that it serves as the default memory
-//! allocator for the `wasm32-unknown-unknown` target in the standard library.
-//! Support for other platforms is largely untested and unused, but is used when
-//! testing this crate.
-
-#![allow(dead_code)]
-#![no_std]
-#![deny(missing_docs)]
-
-#[cfg(feature = "rust_api")]
-use core::{cmp, ptr};
-
-#[cfg(feature = "system")]
-use sys::System;
-
-#[cfg(feature = "global")]
-pub use self::global::{enable_alloc_after_fork, GlobalDlmalloc};
-
-mod dlmalloc;
-
-#[cfg(feature = "c_api")]
-pub use dlmalloc::Dlmalloc as DlmallocCApi;
-
-#[cfg(feature = "global")]
-mod global;
-
-/// In order for this crate to efficiently manage memory, it needs a way to communicate with the
-/// underlying platform. This `Allocator` trait provides an interface for this communication.
-pub unsafe trait Allocator: Send {
-    /// Allocates system memory region of at least `size` bytes
-    /// Returns a triple of `(base, size, flags)` where `base` is a pointer to the beginning of the
-    /// allocated memory region. `size` is the actual size of the region while `flags` specifies
-    /// properties of the allocated region. If `EXTERN_BIT` (bit 0) set in flags, then we did not
-    /// allocate this segment and so should not try to deallocate or merge with others.
-    /// This function can return a `std::ptr::null_mut()` when allocation fails (other values of
-    /// the triple will be ignored).
-    fn alloc(&self, size: usize) -> (*mut u8, usize, u32);
-
-    /// Remaps system memory region at `ptr` with size `oldsize` to a potential new location with
-    /// size `newsize`. `can_move` indicates if the location is allowed to move to a completely new
-    /// location, or that it is only allowed to change in size. Returns a pointer to the new
-    /// location in memory.
-    /// This function can return a `std::ptr::null_mut()` to signal an error.
-    fn remap(&self, ptr: *mut u8, oldsize: usize, newsize: usize, can_move: bool) -> *mut u8;
-
-    /// Frees a part of a memory chunk. The original memory chunk starts at `ptr` with size `oldsize`
-    /// and is turned into a memory region starting at the same address but with `newsize` bytes.
-    /// Returns `true` iff the access memory region could be freed.
-    fn free_part(&self, ptr: *mut u8, oldsize: usize, newsize: usize) -> bool;
-
-    /// Frees an entire memory region. Returns `true` iff the operation succeeded. When `false` is
-    /// returned, the `dlmalloc` may re-use the location on future allocation requests
-    fn free(&self, ptr: *mut u8, size: usize) -> bool;
-
-    /// Indicates if the system can release a part of memory. For the `flags` argument, see
-    /// `Allocator::alloc`
-    fn can_release_part(&self, flags: u32) -> bool;
-
-    /// Indicates whether newly allocated regions contain zeros.
-    fn allocates_zeros(&self) -> bool;
-
-    /// Returns the page size. Must be a power of two
-    fn page_size(&self) -> usize;
-}
-
-/// An allocator instance
-///
-/// Instances of this type are used to allocate blocks of memory. For best
-/// results only use one of these. Currently doesn't implement `Drop` to release
-/// lingering memory back to the OS. That may happen eventually though!
-#[cfg(feature = "rust_api")]
-pub struct Dlmalloc<
-    #[cfg(feature = "system")]
-    A = System,
-    #[cfg(not(feature = "system"))]
-    A,
->(dlmalloc::Dlmalloc<A>);
-
-cfg_if::cfg_if! {
-    if #[cfg(all(feature = "system", target_family = "wasm"))] {
-        #[path = "wasm.rs"]
-        mod sys;
-    } else if #[cfg(all(feature = "system", target_os = "windows"))] {
-        #[path = "windows.rs"]
-        mod sys;
-    } else if #[cfg(all(feature = "system", target_os = "xous"))] {
-        #[path = "xous.rs"]
-        mod sys;
-    } else if #[cfg(all(feature = "system", any(target_os = "linux", target_os = "macos", target_os = "redox")))] {
-        #[path = "unix.rs"]
-        mod sys;
-    } else {
-        #[path = "dummy.rs"]
-        mod sys;
-    }
-}
-
-#[cfg(feature = "system")]
-#[cfg(feature = "rust_api")]
-impl Dlmalloc<System> {
-    /// Creates a new instance of an allocator
-    pub const fn new() -> Dlmalloc<System> {
-        Dlmalloc(dlmalloc::Dlmalloc::new(System::new()))
-    }
-}
-
-#[cfg(feature = "rust_api")]
-impl<A> Dlmalloc<A> {
-    /// Creates a new instance of an allocator
-    pub const fn new_with_allocator(sys_allocator: A) -> Dlmalloc<A> {
-        Dlmalloc(dlmalloc::Dlmalloc::new(sys_allocator))
-    }
-}
-
-#[cfg(feature = "rust_api")]
-impl<A: Allocator> Dlmalloc<A> {
-    /// Allocates `size` bytes with `align` align.
-    ///
-    /// Returns a null pointer if allocation fails. Returns a valid pointer
-    /// otherwise.
-    ///
-    /// Safety and contracts are largely governed by the `GlobalAlloc::alloc`
-    /// method contracts.
-    #[inline]
-    pub unsafe fn malloc(&mut self, size: usize, align: usize) -> *mut u8 {
-        if align <= self.0.malloc_alignment() {
-            self.0.malloc(size)
-        } else {
-            self.0.memalign(align, size)
-        }
-    }
-
-    /// Same as `malloc`, except if the allocation succeeds it's guaranteed to
-    /// point to `size` bytes of zeros.
-    #[inline]
-    pub unsafe fn calloc(&mut self, size: usize, align: usize) -> *mut u8 {
-        let ptr = self.malloc(size, align);
-        if !ptr.is_null() && self.0.calloc_must_clear(ptr) {
-            ptr::write_bytes(ptr, 0, size);
-        }
-        ptr
-    }
-
-    /// Deallocates a `ptr` with `size` and `align` as the previous request used
-    /// to allocate it.
-    ///
-    /// Safety and contracts are largely governed by the `GlobalAlloc::dealloc`
-    /// method contracts.
-    #[inline]
-    pub unsafe fn free(&mut self, ptr: *mut u8, size: usize, align: usize) {
-        let _ = align;
-        self.0.validate_size(ptr, size);
-        self.0.free(ptr)
-    }
-
-    /// Reallocates `ptr`, a previous allocation with `old_size` and
-    /// `old_align`, to have `new_size` and the same alignment as before.
-    ///
-    /// Returns a null pointer if the memory couldn't be reallocated, but `ptr`
-    /// is still valid. Returns a valid pointer and frees `ptr` if the request
-    /// is satisfied.
-    ///
-    /// Safety and contracts are largely governed by the `GlobalAlloc::realloc`
-    /// method contracts.
-    #[inline]
-    pub unsafe fn realloc(
-        &mut self,
-        ptr: *mut u8,
-        old_size: usize,
-        old_align: usize,
-        new_size: usize,
-    ) -> *mut u8 {
-        self.0.validate_size(ptr, old_size);
-
-        if old_align <= self.0.malloc_alignment() {
-            self.0.realloc(ptr, new_size)
-        } else {
-            let res = self.malloc(new_size, old_align);
-            if !res.is_null() {
-                let size = cmp::min(old_size, new_size);
-                ptr::copy_nonoverlapping(ptr, res, size);
-                self.free(ptr, old_size, old_align);
-            }
-            res
-        }
-    }
-
-    /// If possible, gives memory back to the system if there is unused memory
-    /// at the high end of the malloc pool or in unused segments.
-    ///
-    /// You can call this after freeing large blocks of memory to potentially
-    /// reduce the system-level memory requirements of a program. However, it
-    /// cannot guarantee to reduce memory. Under some allocation patterns, some
-    /// large free blocks of memory will be locked between two used chunks, so
-    /// they cannot be given back to the system.
-    ///
-    /// The `pad` argument represents the amount of free trailing space to
-    /// leave untrimmed. If this argument is zero, only the minimum amount of
-    /// memory to maintain internal data structures will be left. Non-zero
-    /// arguments can be supplied to maintain enough trailing space to service
-    /// future expected allocations without having to re-obtain memory from the
-    /// system.
-    ///
-    /// Returns `true` if it actually released any memory, else `false`.
-    pub unsafe fn trim(&mut self, pad: usize) -> bool {
-        self.0.trim(pad)
-    }
-
-    /// Releases all allocations in this allocator back to the system,
-    /// consuming self and preventing further use.
-    ///
-    /// Returns the number of bytes released to the system.
-    pub unsafe fn destroy(self) -> usize {
-        self.0.destroy()
-    }
-
-    /// Get a reference the underlying [`Allocator`] that this `Dlmalloc` was
-    /// constructed with.
-    pub fn allocator(&self) -> &A {
-        self.0.allocator()
-    }
-}

dlmalloc-rs/src/unix.rs

@@ -1,131 +0,0 @@
-use crate::Allocator;
-use core::ptr;
-
-/// System setting for Linux
-pub struct System {
-    _priv: (),
-}
-
-impl System {
-    pub const fn new() -> System {
-        System { _priv: () }
-    }
-}
-
-#[cfg(feature = "global")]
-static mut LOCK: libc::pthread_mutex_t = libc::PTHREAD_MUTEX_INITIALIZER;
-
-unsafe impl Allocator for System {
-    fn alloc(&self, size: usize) -> (*mut u8, usize, u32) {
-        let addr = unsafe {
-            libc::mmap(
-                ptr::null_mut(),
-                size,
-                libc::PROT_WRITE | libc::PROT_READ,
-                libc::MAP_ANON | libc::MAP_PRIVATE,
-                -1,
-                0,
-            )
-        };
-        if addr == libc::MAP_FAILED {
-            (ptr::null_mut(), 0, 0)
-        } else {
-            (addr.cast(), size, 0)
-        }
-    }
-
-    #[cfg(target_os = "linux")]
-    fn remap(&self, ptr: *mut u8, oldsize: usize, newsize: usize, can_move: bool) -> *mut u8 {
-        let flags = if can_move { libc::MREMAP_MAYMOVE } else { 0 };
-        let ptr = unsafe { libc::mremap(ptr.cast(), oldsize, newsize, flags) };
-        if ptr == libc::MAP_FAILED {
-            ptr::null_mut()
-        } else {
-            ptr.cast()
-        }
-    }
-
-    #[cfg(any(target_os = "redox", target_os = "macos"))]
-    fn remap(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize, _can_move: bool) -> *mut u8 {
-        ptr::null_mut()
-    }
-
-    #[cfg(target_os = "linux")]
-    fn free_part(&self, ptr: *mut u8, oldsize: usize, newsize: usize) -> bool {
-        unsafe {
-            let rc = libc::mremap(ptr.cast(), oldsize, newsize, 0);
-            if rc != libc::MAP_FAILED {
-                return true;
-            }
-            libc::munmap(ptr.add(newsize).cast(), oldsize - newsize) == 0
-        }
-    }
-
-    #[cfg(any(target_os = "redox", target_os = "macos"))]
-    fn free_part(&self, ptr: *mut u8, oldsize: usize, newsize: usize) -> bool {
-        unsafe { libc::munmap(ptr.add(newsize).cast(), oldsize - newsize) == 0 }
-    }
-
-    fn free(&self, ptr: *mut u8, size: usize) -> bool {
-        unsafe { libc::munmap(ptr.cast(), size) == 0 }
-    }
-
-    fn can_release_part(&self, _flags: u32) -> bool {
-        true
-    }
-
-    fn allocates_zeros(&self) -> bool {
-        true
-    }
-
-    fn page_size(&self) -> usize {
-        4096
-    }
-}
-
-#[cfg(feature = "global")]
-pub fn acquire_global_lock() {
-    unsafe { assert_eq!(libc::pthread_mutex_lock(ptr::addr_of_mut!(LOCK)), 0) }
-}
-
-#[cfg(feature = "global")]
-pub fn release_global_lock() {
-    unsafe { assert_eq!(libc::pthread_mutex_unlock(ptr::addr_of_mut!(LOCK)), 0) }
-}
-
-#[cfg(feature = "global")]
-/// allows the allocator to remain unsable in the child process,
-/// after a call to `fork(2)`
-///
-/// #Safety
-///
-/// if used, this function must be called,
-/// before any allocations are made with the global allocator.
-pub unsafe fn enable_alloc_after_fork() {
-    // atfork must only be called once, to avoid a deadlock,
-    // where the handler attempts to acquire the global lock twice
-    static mut FORK_PROTECTED: bool = false;
-
-    unsafe extern "C" fn _acquire_global_lock() {
-        acquire_global_lock()
-    }
-
-    unsafe extern "C" fn _release_global_lock() {
-        release_global_lock()
-    }
-
-    acquire_global_lock();
-    // if a process forks,
-    // it will acquire the lock before any other thread,
-    // protecting it from deadlock,
-    // due to the child being created with only the calling thread.
-    if !FORK_PROTECTED {
-        libc::pthread_atfork(
-            Some(_acquire_global_lock),
-            Some(_release_global_lock),
-            Some(_release_global_lock),
-        );
-        FORK_PROTECTED = true;
-    }
-    release_global_lock();
-}

dlmalloc-rs/src/wasm.rs

@@ -1,76 +0,0 @@
-use crate::Allocator;
-#[cfg(target_arch = "wasm32")]
-use core::arch::wasm32 as wasm;
-#[cfg(target_arch = "wasm64")]
-use core::arch::wasm64 as wasm;
-use core::ptr;
-
-/// System setting for Wasm
-pub struct System {
-    _priv: (),
-}
-
-impl System {
-    pub const fn new() -> System {
-        System { _priv: () }
-    }
-}
-
-unsafe impl Allocator for System {
-    fn alloc(&self, size: usize) -> (*mut u8, usize, u32) {
-        let pages = size / self.page_size();
-        let prev = wasm::memory_grow(0, pages);
-        if prev == usize::max_value() {
-            return (ptr::null_mut(), 0, 0);
-        }
-        (
-            (prev * self.page_size()) as *mut u8,
-            pages * self.page_size(),
-            0,
-        )
-    }
-
-    fn remap(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize, _can_move: bool) -> *mut u8 {
-        // TODO: I think this can be implemented near the end?
-        ptr::null_mut()
-    }
-
-    fn free_part(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize) -> bool {
-        false
-    }
-
-    fn free(&self, _ptr: *mut u8, _size: usize) -> bool {
-        false
-    }
-
-    fn can_release_part(&self, _flags: u32) -> bool {
-        false
-    }
-
-    fn allocates_zeros(&self) -> bool {
-        true
-    }
-
-    fn page_size(&self) -> usize {
-        64 * 1024
-    }
-}
-
-#[cfg(feature = "global")]
-pub fn acquire_global_lock() {
-    // single threaded, no need!
-    assert!(!cfg!(target_feature = "atomics"));
-}
-
-#[cfg(feature = "global")]
-pub fn release_global_lock() {
-    // single threaded, no need!
-    assert!(!cfg!(target_feature = "atomics"));
-}
-
-#[allow(missing_docs)]
-#[cfg(feature = "global")]
-pub unsafe fn enable_alloc_after_fork() {
-    // single threaded, no need!
-    assert!(!cfg!(target_feature = "atomics"));
-}

dlmalloc-rs/src/windows.rs

@@ -1,88 +0,0 @@
-use crate::Allocator;
-use core::mem::MaybeUninit;
-use core::ptr;
-use windows_sys::Win32::System::Memory::*;
-use windows_sys::Win32::System::SystemInformation::*;
-#[cfg(feature = "global")]
-use windows_sys::Win32::System::Threading::*;
-
-pub struct System {
-    _priv: (),
-}
-
-impl System {
-    pub const fn new() -> System {
-        System { _priv: () }
-    }
-}
-
-unsafe impl Allocator for System {
-    fn alloc(&self, size: usize) -> (*mut u8, usize, u32) {
-        let addr = unsafe {
-            VirtualAlloc(
-                ptr::null_mut(),
-                size,
-                MEM_RESERVE | MEM_COMMIT,
-                PAGE_READWRITE,
-            )
-        };
-
-        if addr.is_null() {
-            (ptr::null_mut(), 0, 0)
-        } else {
-            (addr.cast(), size, 0)
-        }
-    }
-
-    fn remap(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize, _can_move: bool) -> *mut u8 {
-        ptr::null_mut()
-    }
-
-    fn free_part(&self, ptr: *mut u8, oldsize: usize, newsize: usize) -> bool {
-        unsafe { VirtualFree(ptr.add(newsize).cast(), oldsize - newsize, MEM_DECOMMIT) != 0 }
-    }
-
-    fn free(&self, ptr: *mut u8, _size: usize) -> bool {
-        unsafe { VirtualFree(ptr.cast(), 0, MEM_DECOMMIT) != 0 }
-    }
-
-    fn can_release_part(&self, _flags: u32) -> bool {
-        true
-    }
-
-    fn allocates_zeros(&self) -> bool {
-        true
-    }
-
-    fn page_size(&self) -> usize {
-        unsafe {
-            let mut info = MaybeUninit::uninit();
-            GetSystemInfo(info.as_mut_ptr());
-            info.assume_init_ref().dwPageSize as usize
-        }
-    }
-}
-
-// NB: `SRWLOCK_INIT` doesn't appear to be in `windows-sys`
-#[cfg(feature = "global")]
-static mut LOCK: SRWLOCK = SRWLOCK {
-    Ptr: ptr::null_mut(),
-};
-
-#[cfg(feature = "global")]
-pub fn acquire_global_lock() {
-    unsafe {
-        AcquireSRWLockExclusive(ptr::addr_of_mut!(LOCK));
-    }
-}
-
-#[cfg(feature = "global")]
-pub fn release_global_lock() {
-    unsafe {
-        ReleaseSRWLockExclusive(ptr::addr_of_mut!(LOCK));
-    }
-}
-
-/// Not needed on Windows
-#[cfg(feature = "global")]
-pub unsafe fn enable_alloc_after_fork() {}

dlmalloc-rs/src/xous.rs

@@ -1,117 +0,0 @@
-use crate::Allocator;
-use core::ptr;
-
-pub struct System {
-    _priv: (),
-}
-
-impl System {
-    pub const fn new() -> System {
-        System { _priv: () }
-    }
-}
-
-#[cfg(target_arch = "riscv32")]
-mod sys {
-    use core::arch::asm;
-
-    pub fn increase_heap(length: usize) -> Result<(usize, usize), ()> {
-        let syscall_no_increase_heap = 10usize;
-        let memory_flags_read_write = 2usize | 4usize;
-
-        let mut a0 = syscall_no_increase_heap;
-        let mut a1 = length;
-        let mut a2 = memory_flags_read_write;
-
-        unsafe {
-            asm!(
-                "ecall",
-                inlateout("a0") a0,
-                inlateout("a1") a1,
-                inlateout("a2") a2,
-                out("a3") _,
-                out("a4") _,
-                out("a5") _,
-                out("a6") _,
-                out("a7") _,
-            )
-        };
-
-        let result = a0;
-        let address = a1;
-        let length = a2;
-
-        // 3 is the "MemoryRange" type, and the result is only valid
-        // if we get nonzero address and length.
-        if result == 3 && address != 0 && length != 0 {
-            Ok((address, length))
-        } else {
-            Err(())
-        }
-    }
-}
-
-unsafe impl Allocator for System {
-    /// Allocate an additional `size` bytes on the heap, and return a new
-    /// chunk of memory, as well as the size of the allocation and some
-    /// flags. Since flags are unused on this platform, they will always
-    /// be `0`.
-    fn alloc(&self, size: usize) -> (*mut u8, usize, u32) {
-        let size = if size == 0 {
-            4096
-        } else if size & 4095 == 0 {
-            size
-        } else {
-            size + (4096 - (size & 4095))
-        };
-
-        if let Ok((address, length)) = sys::increase_heap(size) {
-            let start = address - size + length;
-            (start as *mut u8, size, 0)
-        } else {
-            (ptr::null_mut(), 0, 0)
-        }
-    }
-
-    fn remap(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize, _can_move: bool) -> *mut u8 {
-        // TODO
-        ptr::null_mut()
-    }
-
-    fn free_part(&self, _ptr: *mut u8, _oldsize: usize, _newsize: usize) -> bool {
-        false
-    }
-
-    fn free(&self, _ptr: *mut u8, _size: usize) -> bool {
-        false
-    }
-
-    fn can_release_part(&self, _flags: u32) -> bool {
-        false
-    }
-
-    fn allocates_zeros(&self) -> bool {
-        true
-    }
-
-    fn page_size(&self) -> usize {
-        4 * 1024
-    }
-}
-
-#[cfg(feature = "global")]
-pub fn acquire_global_lock() {
-    // global feature should not be enabled
-    unimplemented!()
-}
-
-#[cfg(feature = "global")]
-pub fn release_global_lock() {
-    // global feature should not be enabled
-    unimplemented!()
-}
-
-#[cfg(feature = "global")]
-pub unsafe fn enable_alloc_after_fork() {
-    // platform does not support `fork()` call
-}

dlmalloc-rs/tests/global.rs

@@ -1,32 +0,0 @@
-extern crate dlmalloc;
-
-use std::collections::HashMap;
-use std::thread;
-
-#[global_allocator]
-#[cfg(feature = "global")]
-static A: dlmalloc::GlobalDlmalloc = dlmalloc::GlobalDlmalloc;
-
-#[test]
-fn foo() {
-    println!("hello");
-}
-
-#[test]
-fn map() {
-    let mut m = HashMap::new();
-    m.insert(1, 2);
-    m.insert(5, 3);
-    drop(m);
-}
-
-#[test]
-fn strings() {
-    format!("foo, bar, {}", "baz");
-}
-
-#[test]
-#[cfg(not(target_family = "wasm"))]
-fn threads() {
-    assert!(thread::spawn(|| panic!()).join().is_err());
-}

dlmalloc-rs/tests/smoke.rs

@@ -1,36 +0,0 @@
-use arbitrary::Unstructured;
-use dlmalloc::Dlmalloc;
-use rand::{rngs::SmallRng, RngCore, SeedableRng};
-
-#[test]
-fn smoke() {
-    let mut a = Dlmalloc::new();
-    unsafe {
-        let ptr = a.malloc(1, 1);
-        assert!(!ptr.is_null());
-        *ptr = 9;
-        assert_eq!(*ptr, 9);
-        a.free(ptr, 1, 1);
-
-        let ptr = a.malloc(1, 1);
-        assert!(!ptr.is_null());
-        *ptr = 10;
-        assert_eq!(*ptr, 10);
-        a.free(ptr, 1, 1);
-    }
-}
-
-#[path = "../fuzz/src/lib.rs"]
-mod fuzz;
-
-#[test]
-fn stress() {
-    let mut rng = SmallRng::seed_from_u64(0);
-    let mut buf = vec![0; 4096];
-    let iters = if cfg!(miri) { 5 } else { 2000 };
-    for _ in 0..iters {
-        rng.fill_bytes(&mut buf);
-        let mut u = Unstructured::new(&buf);
-        let _ = fuzz::run(&mut u);
-    }
-}

fmt.sh

@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-
-cargo fmt --package relibc --package crt0 --package redox-rt "$@"

generic-rt/Cargo.toml

@@ -1,7 +0,0 @@
-[package]
-name = "generic-rt"
-version = "0.1.0"
-edition = "2024"
-
-[lints]
-workspace = true

generic-rt/src/lib.rs

@@ -1,133 +0,0 @@
-#![no_std]
-#![allow(internal_features)]
-#![feature(core_intrinsics)]
-#![deny(unsafe_op_in_unsafe_fn)]
-
-use core::{
-    arch::asm,
-    mem::{self, offset_of},
-};
-
-#[derive(Debug)]
-#[repr(C)]
-pub struct GenericTcb<Os> {
-    /// Pointer to the end of static TLS. Must be the first member
-    pub tls_end: *mut u8,
-    /// Size of the memory allocated for the static TLS in bytes (multiple of page size)
-    pub tls_len: usize,
-    /// Pointer to this structure
-    pub tcb_ptr: *mut Self,
-    /// Size of the memory allocated for this structure in bytes (should be same as page size)
-    pub tcb_len: usize,
-    pub os_specific: Os,
-}
-impl<Os> GenericTcb<Os> {
-    /// Architecture specific code to read a usize from the TCB - aarch64
-    #[allow(unsafe_op_in_unsafe_fn)]
-    #[inline(always)]
-    #[cfg(target_arch = "aarch64")]
-    pub unsafe fn arch_read(offset: usize) -> usize {
-        let abi_ptr: usize;
-        asm!(
-            "mrs {}, tpidr_el0",
-            out(reg) abi_ptr,
-        );
-
-        let tcb_ptr = *(abi_ptr as *const usize);
-        *((tcb_ptr + offset) as *const usize)
-    }
-
-    /// Architecture specific code to read a usize from the TCB - x86
-    #[allow(unsafe_op_in_unsafe_fn)]
-    #[inline(always)]
-    #[cfg(target_arch = "x86")]
-    pub unsafe fn arch_read(offset: usize) -> usize {
-        let value;
-        asm!(
-            "
-            mov {}, gs:[{}]
-            ",
-            out(reg) value,
-            in(reg) offset,
-        );
-        value
-    }
-
-    /// Architecture specific code to read a usize from the TCB - x86_64
-    #[allow(unsafe_op_in_unsafe_fn)]
-    #[inline(always)]
-    #[cfg(target_arch = "x86_64")]
-    pub unsafe fn arch_read(offset: usize) -> usize {
-        let value;
-        asm!(
-            "
-            mov {}, fs:[{}]
-            ",
-            out(reg) value,
-            in(reg) offset,
-        );
-        value
-    }
-
-    /// Architecture specific code to read a usize from the TCB - riscv64
-    #[allow(unsafe_op_in_unsafe_fn)]
-    #[inline(always)]
-    #[cfg(target_arch = "riscv64")]
-    unsafe fn arch_read(offset: usize) -> usize {
-        let value;
-        asm!(
-            "ld {value}, -8(tp)", // TCB
-            "add {value}, {value}, {offset}",
-            "ld {value}, 0({value})",
-            value = out(reg) value,
-            offset = in(reg) offset,
-        );
-        value
-    }
-
-    pub unsafe fn current_ptr() -> Option<*mut Self> {
-        let tcb_ptr = unsafe { Self::arch_read(offset_of!(Self, tcb_ptr)) as *mut Self };
-        let tcb_len = unsafe { Self::arch_read(offset_of!(Self, tcb_len)) };
-        if tcb_ptr.is_null() || tcb_len < mem::size_of::<Self>() {
-            None
-        } else {
-            Some(tcb_ptr)
-        }
-    }
-    pub unsafe fn current() -> Option<&'static mut Self> {
-        unsafe { Some(&mut *Self::current_ptr()?) }
-    }
-}
-pub fn panic_notls(_msg: impl core::fmt::Display) -> ! {
-    // TODO: actually print _msg, perhaps by having panic_notls take a `T: DebugBackend` that can
-    // propagate until called by e.g. relibc start
-    core::intrinsics::abort();
-}
-
-pub trait ExpectTlsFree {
-    type Unwrapped;
-
-    fn expect_notls(self, msg: &str) -> Self::Unwrapped;
-}
-impl<T, E: core::fmt::Debug> ExpectTlsFree for Result<T, E> {
-    type Unwrapped = T;
-
-    fn expect_notls(self, msg: &str) -> T {
-        match self {
-            Ok(t) => t,
-            Err(err) => panic_notls(format_args!(
-                "{msg}: expect failed for Result with err: {err:?}",
-            )),
-        }
-    }
-}
-impl<T> ExpectTlsFree for Option<T> {
-    type Unwrapped = T;
-
-    fn expect_notls(self, msg: &str) -> T {
-        match self {
-            Some(t) => t,
-            None => panic_notls(format_args!("{msg}: expect failed for Option")),
-        }
-    }
-}

include/alloca.h

@@ -1,6 +0,0 @@
-#ifndef _ALLOCA_H
-#define _ALLOCA_H
-
-#define alloca(size) __builtin_alloca (size)
-
-#endif /* _ALLOCA_H */

include/complex.h

@@ -1 +0,0 @@
-#include <openlibm_complex.h>

include/features.h

@@ -1,95 +0,0 @@
-/*
- * MIT License
- * Copyright (c) 2020 Rich Felker musl-libc
- */
-
-#ifndef _FEATURES_H__RELIBC
-#define _FEATURES_H__RELIBC
-
-// Version metadata for feature gating
-// This is useful for divergent implementation specific behavior
-// glibc, ulibc, and likely others define a similar macro
-// musl does not define an equivalent macro
-#define __RELIBC__ 1
-#define __RELIBC__MAJOR 0
-#define __RELIBC__MINOR 2
-
-/*
- * Sources:
- * https://en.cppreference.com/w/c/language/attributes
- * https://clang.llvm.org/docs/LanguageExtensions.html
- * https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005fc_005fattribute.html
- * https://gcc.gnu.org/onlinedocs/cpp/Standard-Predefined-Macros.html
- */
-
-// Clang doesn't define __has_cpp_attribute if compiling C code
-#if !defined(__has_cpp_attribute)
-    #define __has_cpp_attribute(x) 0
-#endif
-
-// Clang doesn't define __has_c_attribute if compiling C++ code
-#if !defined(__has_c_attribute)
-    #define __has_c_attribute(x) 0
-#endif
-
-// Check if C23+ attributes are available
-#if defined(__cplusplus)
-// HACK: GCC backports C++ attributes to C++98 but doesn't accept attributes
-// placed before the function like cbindgen emits.
-// Let's just disable attributes for C++98 by checking if a random C++11
-// feature is available.
-#define __HAS_ATTRIBUTE(x) __cpp_variable_templates &&__has_cpp_attribute(x)
-#else
-#define __HAS_ATTRIBUTE(x)                                                     \
-  (__has_c_attribute(x) || __STDC_VERSION__ >= 202311L ||                      \
-   __has_cpp_attribute(x))
-#endif
-
-// TODO: Not emitted with cbindgen
-#if __STDC_VERSION__ >= 199901L
-    #define __restrict restrict
-#elif !defined(__GNUC__)
-    #define __restrict
-#endif
-
-// TODO: Not emitted with cbindgen
-#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
-    #define __inline inline
-#elif !defined(__GNUC__)
-    #define __inline
-#endif
-
-// Analogous to Rust's Never type
-//TODO: clang fails to compile C with [[noreturn]]
-#if defined(__cplusplus) && __HAS_ATTRIBUTE(noreturn) && !(__clang__)
-    #define __noreturn [[noreturn]]
-// #elif __STDC_VERSION__ >= 201112L
-// FIXME: cbindgen incorrectly places _Noreturn
-// #define __noreturn _Noreturn
-#elif defined(__GNUC__)
-    #define __noreturn __attribute__((__noreturn__))
-#else
-    #define __noreturn
-#endif
-
-// Analogous to Rust's #[must_use]
-// C23 only
-#if __HAS_ATTRIBUTE(nodiscard)
-    #define __nodiscard [[nodiscard]]
-    #define __nodiscardNote(x) [[nodiscard(x)]]
-#else
-    #define __nodiscard
-    #define __nodiscardNote(x)
-#endif
-
-// Analogous to Rust's #[deprecated]
-// C23 only
-#if __HAS_ATTRIBUTE(deprecated)
-    #define __deprecated [[deprecated]]
-    #define __deprecatedNote(x) [[deprecated(x)]]
-#else
-    #define __deprecated
-    #define __deprecatedNote(x)
-#endif
-
-#endif

include/fenv.h

@@ -1,3 +0,0 @@
-#include <openlibm_fenv.h>
-#undef complex
-#undef I

include/iso646.h

@@ -1,22 +0,0 @@
-// Copied from musl
-
-#ifndef _ISO646_H
-#define _ISO646_H
-
-#ifndef __cplusplus
-
-#define and    &&
-#define and_eq &=
-#define bitand &
-#define bitor  |
-#define compl  ~
-#define not    !
-#define not_eq !=
-#define or     ||
-#define or_eq  |=
-#define xor    ^
-#define xor_eq ^=
-
-#endif
-
-#endif

include/machine/endian.h

@@ -1,17 +0,0 @@
-#ifndef __MACHINE_ENDIAN_H__
-
-/* TODO: Forcing little endian, if you need a big endian system, fix this { */
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#endif
-
-#ifndef LITTLE_ENDIAN
-#define LITTLE_ENDIAN 1234
-#endif
-
-#ifndef BYTE_ORDER
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-/* } */
-
-#endif /* __MACHINE_ENDIAN_H__ */

include/math.h

@@ -1,113 +0,0 @@
-#include <openlibm_math.h>
-
-// Missing typedefs
-typedef float float_t;
-typedef double double_t;
-
-/* double */
-
-#ifndef M_PI
-#define	M_PI		3.14159265358979323846	/* pi */
-#endif
-
-#ifndef M_PI_2
-#define	M_PI_2		1.57079632679489661923	/* pi/2 */
-#endif
-
-#ifndef M_PI_4
-#define	M_PI_4		0.78539816339744830962	/* pi/4 */
-#endif
-
-#ifndef M_2_PI
-#define M_2_PI		0.63661977236758134308	/* 2/pi */
-#endif
-
-#ifndef M_E
-#define M_E			2.7182818284590452354	/* e */
-#endif
-
-#ifndef M_LOG2E
-#define M_LOG2E		1.4426950408889634074	/* log_2 e */
-#endif
-
-#ifndef M_LOG10E
-#define M_LOG10E	0.43429448190325182765	/* log_10 e */
-#endif
-
-#ifndef M_LN2
-#define M_LN2		0.69314718055994530942	/* log_e 2 */
-#endif
-
-#ifndef M_LN10
-#define M_LN10		2.30258509299404568402	/* log_e 10 */
-#endif
-
-#ifndef M_1_PI
-#define M_1_PI		0.31830988618379067154	/* 1/pi */
-#endif
-
-#ifndef M_2_SQRTPI
-#define M_2_SQRTPI	1.12837916709551257390	/* 2/sqrt(pi) */
-#endif
-
-#ifndef M_SQRT2
-#define M_SQRT2		1.41421356237309504880	/* sqrt(2) */
-#endif
-
-#ifndef M_SQRT1_2
-#define M_SQRT1_2	0.70710678118654752440	/* 1/sqrt(2) */
-#endif
-
-/* long double */
-
-#ifndef M_El
-#define M_El        2.718281828459045235360287471352662498L /* e */
-#endif
-
-#ifndef M_LOG2El
-#define M_LOG2El    1.442695040888963407359924681001892137L /* log_2 e */
-#endif
-
-#ifndef M_LOG10El
-#define M_LOG10El   0.434294481903251827651128918916605082L /* log_10 e */
-#endif
-
-#ifndef M_LN2l
-#define M_LN2l      0.693147180559945309417232121458176568L /* log_e 2 */
-#endif
-
-#ifndef M_LN10l
-#define M_LN10l     2.302585092994045684017991454684364208L /* log_e 10 */
-#endif
-
-#ifndef M_PIl
-#define M_PIl       3.141592653589793238462643383279502884L /* pi */
-#endif
-
-#ifndef M_PI_2l
-#define M_PI_2l     1.570796326794896619231321691639751442L /* pi/2 */
-#endif
-
-#ifndef M_PI_4l
-#define M_PI_4l     0.785398163397448309615660845819875721L /* pi/4 */
-#endif
-
-#ifndef M_1_PIl
-#define M_1_PIl     0.318309886183790671537767526745028724L /* 1/pi */
-#endif
-
-#ifndef M_2_PIl
-#define M_2_PIl     0.636619772367581343075535053490057448L /* 2/pi */
-#endif
-
-#ifndef M_2_SQRTPIl
-#define M_2_SQRTPIl 1.128379167095512573896158903121545172L /* 2/sqrt(pi) */
-#endif
-
-#ifndef M_SQRT2l
-#define M_SQRT2l    1.414213562373095048801688724209698079L /* sqrt(2) */
-#endif
-
-#ifndef M_SQRT1_2l
-#define M_SQRT1_2l  0.707106781186547524400844362104849039L /* 1/sqrt(2) */
-#endif

include/memory.h

@@ -1 +0,0 @@
-#include <string.h>

include/netinet/in_systm.h

@@ -1,10 +0,0 @@
-#ifndef _NETINET_IN_SYSTM_H
-#define _NETINET_IN_SYSTM_H
-
-#include <stdint.h>
-
-typedef uint16_t n_short;
-typedef uint32_t n_long;
-typedef uint32_t n_time;
-
-#endif

include/paths.h

@@ -1,6 +0,0 @@
-#ifndef _RELIBC_PATHS_H
-#define _RELIBC_PATHS_H
-
-#define _PATH_BSHELL "/bin/sh"
-
-#endif

include/setjmp.h

@@ -1,81 +0,0 @@
-#ifndef _SETJMP_H
-#define _SETJMP_H
-
-#ifdef __aarch64__
-typedef unsigned long jmp_buf[22];
-#endif
-
-#ifdef __arm__
-typedef unsigned long long jmp_buf[32];
-#endif
-
-#ifdef __i386__
-typedef unsigned long jmp_buf[6];
-#endif
-
-#ifdef __m68k__
-typedef unsigned long jmp_buf[39];
-#endif
-
-#ifdef __microblaze__
-typedef unsigned long jmp_buf[18];
-#endif
-
-#ifdef __mips__
-typedef unsigned long long jmp_buf[13];
-#endif
-
-#ifdef __mips64__
-typedef unsigned long long jmp_buf[23];
-#endif
-
-#ifdef __mipsn32__
-typedef unsigned long long jmp_buf[23];
-#endif
-
-#ifdef __or1k__
-typedef unsigned long jmp_buf[13];
-#endif
-
-#ifdef __powerpc__
-typedef unsigned long long jmp_buf[56];
-#endif
-
-#ifdef __powerpc64__
-typedef uint128_t jmp_buf[32];
-#endif
-
-#ifdef __s390x__
-typedef unsigned long jmp_buf[18];
-#endif
-
-#ifdef __sh__
-typedef unsigned long jmp_buf[15];
-#endif
-
-#ifdef __x32__
-typedef unsigned long long jmp_buf[8];
-#endif
-
-#ifdef __x86_64__
-typedef unsigned long jmp_buf[16];
-#endif
-
-#ifdef __riscv
-typedef unsigned long jmp_buf[26];
-#endif
-
-typedef jmp_buf sigjmp_buf;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-int setjmp(jmp_buf buf);
-void longjmp(jmp_buf buf, int value);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif /* _SETJMP_H */

include/stdarg.h

@@ -1,10 +0,0 @@
-#ifndef _STDARG_H
-#define _STDARG_H
-
-typedef __builtin_va_list va_list;
-#define va_start(v,l)   __builtin_va_start(v,l)
-#define va_end(v)       __builtin_va_end(v)
-#define va_arg(v,l)     __builtin_va_arg(v,l)
-#define va_copy(d,s) __builtin_va_copy(d,s)
-
-#endif /* _STDARG_H */

include/stdatomic.h

@@ -1,243 +0,0 @@
-/* Copyright (C) 2013-2022 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-Under Section 7 of GPL version 3, you are granted additional
-permissions described in the GCC Runtime Library Exception, version
-3.1, as published by the Free Software Foundation.
-
-You should have received a copy of the GNU General Public License and
-a copy of the GCC Runtime Library Exception along with this program;
-see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-<http://www.gnu.org/licenses/>.  */
-
-/* ISO C11 Standard:  7.17  Atomics <stdatomic.h>.  */
-
-#ifndef _STDATOMIC_H
-#define _STDATOMIC_H
-
-typedef enum
-  {
-    memory_order_relaxed = __ATOMIC_RELAXED,
-    memory_order_consume = __ATOMIC_CONSUME,
-    memory_order_acquire = __ATOMIC_ACQUIRE,
-    memory_order_release = __ATOMIC_RELEASE,
-    memory_order_acq_rel = __ATOMIC_ACQ_REL,
-    memory_order_seq_cst = __ATOMIC_SEQ_CST
-  } memory_order;
-
-
-typedef _Atomic _Bool atomic_bool;
-typedef _Atomic char atomic_char;
-typedef _Atomic signed char atomic_schar;
-typedef _Atomic unsigned char atomic_uchar;
-typedef _Atomic short atomic_short;
-typedef _Atomic unsigned short atomic_ushort;
-typedef _Atomic int atomic_int;
-typedef _Atomic unsigned int atomic_uint;
-typedef _Atomic long atomic_long;
-typedef _Atomic unsigned long atomic_ulong;
-typedef _Atomic long long atomic_llong;
-typedef _Atomic unsigned long long atomic_ullong;
-typedef _Atomic __CHAR16_TYPE__ atomic_char16_t;
-typedef _Atomic __CHAR32_TYPE__ atomic_char32_t;
-typedef _Atomic __WCHAR_TYPE__ atomic_wchar_t;
-typedef _Atomic __INT_LEAST8_TYPE__ atomic_int_least8_t;
-typedef _Atomic __UINT_LEAST8_TYPE__ atomic_uint_least8_t;
-typedef _Atomic __INT_LEAST16_TYPE__ atomic_int_least16_t;
-typedef _Atomic __UINT_LEAST16_TYPE__ atomic_uint_least16_t;
-typedef _Atomic __INT_LEAST32_TYPE__ atomic_int_least32_t;
-typedef _Atomic __UINT_LEAST32_TYPE__ atomic_uint_least32_t;
-typedef _Atomic __INT_LEAST64_TYPE__ atomic_int_least64_t;
-typedef _Atomic __UINT_LEAST64_TYPE__ atomic_uint_least64_t;
-typedef _Atomic __INT_FAST8_TYPE__ atomic_int_fast8_t;
-typedef _Atomic __UINT_FAST8_TYPE__ atomic_uint_fast8_t;
-typedef _Atomic __INT_FAST16_TYPE__ atomic_int_fast16_t;
-typedef _Atomic __UINT_FAST16_TYPE__ atomic_uint_fast16_t;
-typedef _Atomic __INT_FAST32_TYPE__ atomic_int_fast32_t;
-typedef _Atomic __UINT_FAST32_TYPE__ atomic_uint_fast32_t;
-typedef _Atomic __INT_FAST64_TYPE__ atomic_int_fast64_t;
-typedef _Atomic __UINT_FAST64_TYPE__ atomic_uint_fast64_t;
-typedef _Atomic __INTPTR_TYPE__ atomic_intptr_t;
-typedef _Atomic __UINTPTR_TYPE__ atomic_uintptr_t;
-typedef _Atomic __SIZE_TYPE__ atomic_size_t;
-typedef _Atomic __PTRDIFF_TYPE__ atomic_ptrdiff_t;
-typedef _Atomic __INTMAX_TYPE__ atomic_intmax_t;
-typedef _Atomic __UINTMAX_TYPE__ atomic_uintmax_t;        
-
-
-#define ATOMIC_VAR_INIT(VALUE)	(VALUE)
-
-/* Initialize an atomic object pointed to by PTR with VAL.  */
-#define atomic_init(PTR, VAL)                           \
-  atomic_store_explicit (PTR, VAL, __ATOMIC_RELAXED)
-
-#define kill_dependency(Y)			\
-  __extension__					\
-  ({						\
-    __auto_type __kill_dependency_tmp = (Y);	\
-    __kill_dependency_tmp;			\
-  })
-
-extern void atomic_thread_fence (memory_order);
-#define atomic_thread_fence(MO)	__atomic_thread_fence (MO)
-extern void atomic_signal_fence (memory_order);
-#define atomic_signal_fence(MO)	__atomic_signal_fence  (MO)
-#define atomic_is_lock_free(OBJ) __atomic_is_lock_free (sizeof (*(OBJ)), (OBJ))
-
-#define ATOMIC_BOOL_LOCK_FREE		__GCC_ATOMIC_BOOL_LOCK_FREE
-#define ATOMIC_CHAR_LOCK_FREE		__GCC_ATOMIC_CHAR_LOCK_FREE
-#define ATOMIC_CHAR16_T_LOCK_FREE	__GCC_ATOMIC_CHAR16_T_LOCK_FREE
-#define ATOMIC_CHAR32_T_LOCK_FREE	__GCC_ATOMIC_CHAR32_T_LOCK_FREE
-#define ATOMIC_WCHAR_T_LOCK_FREE	__GCC_ATOMIC_WCHAR_T_LOCK_FREE
-#define ATOMIC_SHORT_LOCK_FREE		__GCC_ATOMIC_SHORT_LOCK_FREE
-#define ATOMIC_INT_LOCK_FREE		__GCC_ATOMIC_INT_LOCK_FREE
-#define ATOMIC_LONG_LOCK_FREE		__GCC_ATOMIC_LONG_LOCK_FREE
-#define ATOMIC_LLONG_LOCK_FREE		__GCC_ATOMIC_LLONG_LOCK_FREE
-#define ATOMIC_POINTER_LOCK_FREE	__GCC_ATOMIC_POINTER_LOCK_FREE
-
-
-/* Note that these macros require __auto_type to remove
-   _Atomic qualifiers (and const qualifiers, if those are valid on
-   macro operands).
-   
-   Also note that the header file uses the generic form of __atomic
-   builtins, which requires the address to be taken of the value
-   parameter, and then we pass that value on.  This allows the macros
-   to work for any type, and the compiler is smart enough to convert
-   these to lock-free _N variants if possible, and throw away the
-   temps.  */
-
-#define atomic_store_explicit(PTR, VAL, MO)				\
-  __extension__								\
-  ({									\
-    __auto_type __atomic_store_ptr = (PTR);				\
-    __typeof__ ((void)0, *__atomic_store_ptr) __atomic_store_tmp = (VAL);	\
-    __atomic_store (__atomic_store_ptr, &__atomic_store_tmp, (MO));	\
-  })
-
-#define atomic_store(PTR, VAL)				\
-  atomic_store_explicit (PTR, VAL, __ATOMIC_SEQ_CST)
-
-
-#define atomic_load_explicit(PTR, MO)					\
-  __extension__								\
-  ({									\
-    __auto_type __atomic_load_ptr = (PTR);				\
-    __typeof__ ((void)0, *__atomic_load_ptr) __atomic_load_tmp;			\
-    __atomic_load (__atomic_load_ptr, &__atomic_load_tmp, (MO));	\
-    __atomic_load_tmp;							\
-  })
-
-#define atomic_load(PTR)  atomic_load_explicit (PTR, __ATOMIC_SEQ_CST)
-
-
-#define atomic_exchange_explicit(PTR, VAL, MO)				\
-  __extension__								\
-  ({									\
-    __auto_type __atomic_exchange_ptr = (PTR);				\
-    __typeof__ ((void)0, *__atomic_exchange_ptr) __atomic_exchange_val = (VAL);	\
-    __typeof__ ((void)0, *__atomic_exchange_ptr) __atomic_exchange_tmp;		\
-    __atomic_exchange (__atomic_exchange_ptr, &__atomic_exchange_val,	\
-		       &__atomic_exchange_tmp, (MO));			\
-    __atomic_exchange_tmp;						\
-  })
-
-#define atomic_exchange(PTR, VAL) 			\
-  atomic_exchange_explicit (PTR, VAL, __ATOMIC_SEQ_CST)
-
-
-#define atomic_compare_exchange_strong_explicit(PTR, VAL, DES, SUC, FAIL) \
-  __extension__								\
-  ({									\
-    __auto_type __atomic_compare_exchange_ptr = (PTR);			\
-    __typeof__ ((void)0, *__atomic_compare_exchange_ptr) __atomic_compare_exchange_tmp \
-      = (DES);								\
-    __atomic_compare_exchange (__atomic_compare_exchange_ptr, (VAL),	\
-			       &__atomic_compare_exchange_tmp, 0,	\
-			       (SUC), (FAIL));				\
-  })
-
-#define atomic_compare_exchange_strong(PTR, VAL, DES) 			   \
-  atomic_compare_exchange_strong_explicit (PTR, VAL, DES, __ATOMIC_SEQ_CST, \
-					   __ATOMIC_SEQ_CST)
-
-#define atomic_compare_exchange_weak_explicit(PTR, VAL, DES, SUC, FAIL) \
-  __extension__								\
-  ({									\
-    __auto_type __atomic_compare_exchange_ptr = (PTR);			\
-    __typeof__ ((void)0, *__atomic_compare_exchange_ptr) __atomic_compare_exchange_tmp \
-      = (DES);								\
-    __atomic_compare_exchange (__atomic_compare_exchange_ptr, (VAL),	\
-			       &__atomic_compare_exchange_tmp, 1,	\
-			       (SUC), (FAIL));				\
-  })
-
-#define atomic_compare_exchange_weak(PTR, VAL, DES)			\
-  atomic_compare_exchange_weak_explicit (PTR, VAL, DES, __ATOMIC_SEQ_CST, \
-					 __ATOMIC_SEQ_CST)
-
-
-
-#define atomic_fetch_add(PTR, VAL) __atomic_fetch_add ((PTR), (VAL), 	\
-						       __ATOMIC_SEQ_CST)
-#define atomic_fetch_add_explicit(PTR, VAL, MO) 			\
-			  __atomic_fetch_add ((PTR), (VAL), (MO))
-
-#define atomic_fetch_sub(PTR, VAL) __atomic_fetch_sub ((PTR), (VAL), 	\
-						       __ATOMIC_SEQ_CST)
-#define atomic_fetch_sub_explicit(PTR, VAL, MO) 			\
-			  __atomic_fetch_sub ((PTR), (VAL), (MO))
-
-#define atomic_fetch_or(PTR, VAL) __atomic_fetch_or ((PTR), (VAL), 	\
-						       __ATOMIC_SEQ_CST)
-#define atomic_fetch_or_explicit(PTR, VAL, MO) 			\
-			  __atomic_fetch_or ((PTR), (VAL), (MO))
-
-#define atomic_fetch_xor(PTR, VAL) __atomic_fetch_xor ((PTR), (VAL), 	\
-						       __ATOMIC_SEQ_CST)
-#define atomic_fetch_xor_explicit(PTR, VAL, MO) 			\
-			  __atomic_fetch_xor ((PTR), (VAL), (MO))
-
-#define atomic_fetch_and(PTR, VAL) __atomic_fetch_and ((PTR), (VAL), 	\
-						       __ATOMIC_SEQ_CST)
-#define atomic_fetch_and_explicit(PTR, VAL, MO) 			\
-			  __atomic_fetch_and ((PTR), (VAL), (MO))
-
-
-typedef _Atomic struct
-{
-#if __GCC_ATOMIC_TEST_AND_SET_TRUEVAL == 1
-  _Bool __val;
-#else
-  unsigned char __val;
-#endif
-} atomic_flag;
-
-#define ATOMIC_FLAG_INIT	{ 0 }
-
-
-extern _Bool atomic_flag_test_and_set (volatile atomic_flag *);
-#define atomic_flag_test_and_set(PTR) 					\
-			__atomic_test_and_set ((PTR), __ATOMIC_SEQ_CST)
-extern _Bool atomic_flag_test_and_set_explicit (volatile atomic_flag *,
-						memory_order);
-#define atomic_flag_test_and_set_explicit(PTR, MO)			\
-			__atomic_test_and_set ((PTR), (MO))
-
-extern void atomic_flag_clear (volatile atomic_flag *);
-#define atomic_flag_clear(PTR)	__atomic_clear ((PTR), __ATOMIC_SEQ_CST)
-extern void atomic_flag_clear_explicit (volatile atomic_flag *, memory_order);
-#define atomic_flag_clear_explicit(PTR, MO)   __atomic_clear ((PTR), (MO))
-
-#endif  /* _STDATOMIC_H */

include/stdbool.h

@@ -1,19 +0,0 @@
-#ifndef _STDBOOL_H
-#define _STDBOOL_H
-
-#ifndef __cplusplus
-#define bool _Bool
-#define true 1
-#define false 0
-#else /* __cplusplus */
-#if __cplusplus < 201103L
-#define bool bool
-#define false false
-#define true true
-#endif /*__cplusplus < 201103L*/
-#endif /* __cplusplus */
-
-#define __bool_true_false_are_defined 1
-
-
-#endif /* _STDBOOL_H */

include/stdint.h

@@ -1,377 +0,0 @@
-/* Copyright (C) 2008-2018 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-Under Section 7 of GPL version 3, you are granted additional
-permissions described in the GCC Runtime Library Exception, version
-3.1, as published by the Free Software Foundation.
-
-You should have received a copy of the GNU General Public License and
-a copy of the GCC Runtime Library Exception along with this program;
-see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-<http://www.gnu.org/licenses/>.  */
-
-/*
- * ISO C Standard:  7.18  Integer types  <stdint.h>
- */
-
-#ifndef _STDINT_H
-#define _STDINT_H
-
-/* 7.8.1.1 Exact-width integer types */
-
-#ifdef __INT8_TYPE__
-typedef __INT8_TYPE__ int8_t;
-#endif
-#ifdef __INT16_TYPE__
-typedef __INT16_TYPE__ int16_t;
-#endif
-#ifdef __INT32_TYPE__
-typedef __INT32_TYPE__ int32_t;
-#endif
-#ifdef __INT64_TYPE__
-typedef __INT64_TYPE__ int64_t;
-#endif
-#ifdef __UINT8_TYPE__
-typedef __UINT8_TYPE__ uint8_t;
-typedef __UINT8_TYPE__ u_int8_t;
-#endif
-#ifdef __UINT16_TYPE__
-typedef __UINT16_TYPE__ uint16_t;
-typedef __UINT16_TYPE__ u_int16_t;
-#endif
-#ifdef __UINT32_TYPE__
-typedef __UINT32_TYPE__ uint32_t;
-typedef __UINT32_TYPE__ u_int32_t;
-// Required by openlibm
-typedef __UINT32_TYPE__ __uint32_t;
-#endif
-#ifdef __UINT64_TYPE__
-typedef __UINT64_TYPE__ uint64_t;
-typedef __UINT64_TYPE__ u_int64_t;
-// Required by openlibm
-typedef __UINT64_TYPE__ __uint64_t;
-#endif
-
-/* 7.8.1.2 Minimum-width integer types */
-
-typedef __INT_LEAST8_TYPE__ int_least8_t;
-typedef __INT_LEAST16_TYPE__ int_least16_t;
-typedef __INT_LEAST32_TYPE__ int_least32_t;
-typedef __INT_LEAST64_TYPE__ int_least64_t;
-typedef __UINT_LEAST8_TYPE__ uint_least8_t;
-typedef __UINT_LEAST16_TYPE__ uint_least16_t;
-typedef __UINT_LEAST32_TYPE__ uint_least32_t;
-typedef __UINT_LEAST64_TYPE__ uint_least64_t;
-
-/* 7.8.1.3 Fastest minimum-width integer types */
-
-typedef __INT_FAST8_TYPE__ int_fast8_t;
-typedef __INT_FAST16_TYPE__ int_fast16_t;
-typedef __INT_FAST32_TYPE__ int_fast32_t;
-typedef __INT_FAST64_TYPE__ int_fast64_t;
-typedef __UINT_FAST8_TYPE__ uint_fast8_t;
-typedef __UINT_FAST16_TYPE__ uint_fast16_t;
-typedef __UINT_FAST32_TYPE__ uint_fast32_t;
-typedef __UINT_FAST64_TYPE__ uint_fast64_t;
-
-/* 7.8.1.4 Integer types capable of holding object pointers */
-
-#ifdef __INTPTR_TYPE__
-typedef __INTPTR_TYPE__ intptr_t;
-#endif
-#ifdef __UINTPTR_TYPE__
-typedef __UINTPTR_TYPE__ uintptr_t;
-#endif
-
-/* 7.8.1.5 Greatest-width integer types */
-
-typedef __INTMAX_TYPE__ intmax_t;
-typedef __UINTMAX_TYPE__ uintmax_t;
-
-#if (!defined __cplusplus || __cplusplus >= 201103L \
-     || defined __STDC_LIMIT_MACROS)
-
-/* 7.18.2 Limits of specified-width integer types */
-
-#ifdef __INT8_MAX__
-# undef INT8_MAX
-# define INT8_MAX __INT8_MAX__
-# undef INT8_MIN
-# define INT8_MIN (-INT8_MAX - 1)
-#endif
-#ifdef __UINT8_MAX__
-# undef UINT8_MAX
-# define UINT8_MAX __UINT8_MAX__
-#endif
-#ifdef __INT16_MAX__
-# undef INT16_MAX
-# define INT16_MAX __INT16_MAX__
-# undef INT16_MIN
-# define INT16_MIN (-INT16_MAX - 1)
-#endif
-#ifdef __UINT16_MAX__
-# undef UINT16_MAX
-# define UINT16_MAX __UINT16_MAX__
-#endif
-#ifdef __INT32_MAX__
-# undef INT32_MAX
-# define INT32_MAX __INT32_MAX__
-# undef INT32_MIN
-# define INT32_MIN (-INT32_MAX - 1)
-#endif
-#ifdef __UINT32_MAX__
-# undef UINT32_MAX
-# define UINT32_MAX __UINT32_MAX__
-#endif
-#ifdef __INT64_MAX__
-# undef INT64_MAX
-# define INT64_MAX __INT64_MAX__
-# undef INT64_MIN
-# define INT64_MIN (-INT64_MAX - 1)
-#endif
-#ifdef __UINT64_MAX__
-# undef UINT64_MAX
-# define UINT64_MAX __UINT64_MAX__
-#endif
-
-#undef INT_LEAST8_MAX
-#define INT_LEAST8_MAX __INT_LEAST8_MAX__
-#undef INT_LEAST8_MIN
-#define INT_LEAST8_MIN (-INT_LEAST8_MAX - 1)
-#undef UINT_LEAST8_MAX
-#define UINT_LEAST8_MAX __UINT_LEAST8_MAX__
-#undef INT_LEAST16_MAX
-#define INT_LEAST16_MAX __INT_LEAST16_MAX__
-#undef INT_LEAST16_MIN
-#define INT_LEAST16_MIN (-INT_LEAST16_MAX - 1)
-#undef UINT_LEAST16_MAX
-#define UINT_LEAST16_MAX __UINT_LEAST16_MAX__
-#undef INT_LEAST32_MAX
-#define INT_LEAST32_MAX __INT_LEAST32_MAX__
-#undef INT_LEAST32_MIN
-#define INT_LEAST32_MIN (-INT_LEAST32_MAX - 1)
-#undef UINT_LEAST32_MAX
-#define UINT_LEAST32_MAX __UINT_LEAST32_MAX__
-#undef INT_LEAST64_MAX
-#define INT_LEAST64_MAX __INT_LEAST64_MAX__
-#undef INT_LEAST64_MIN
-#define INT_LEAST64_MIN (-INT_LEAST64_MAX - 1)
-#undef UINT_LEAST64_MAX
-#define UINT_LEAST64_MAX __UINT_LEAST64_MAX__
-
-#undef INT_FAST8_MAX
-#define INT_FAST8_MAX __INT_FAST8_MAX__
-#undef INT_FAST8_MIN
-#define INT_FAST8_MIN (-INT_FAST8_MAX - 1)
-#undef UINT_FAST8_MAX
-#define UINT_FAST8_MAX __UINT_FAST8_MAX__
-#undef INT_FAST16_MAX
-#define INT_FAST16_MAX __INT_FAST16_MAX__
-#undef INT_FAST16_MIN
-#define INT_FAST16_MIN (-INT_FAST16_MAX - 1)
-#undef UINT_FAST16_MAX
-#define UINT_FAST16_MAX __UINT_FAST16_MAX__
-#undef INT_FAST32_MAX
-#define INT_FAST32_MAX __INT_FAST32_MAX__
-#undef INT_FAST32_MIN
-#define INT_FAST32_MIN (-INT_FAST32_MAX - 1)
-#undef UINT_FAST32_MAX
-#define UINT_FAST32_MAX __UINT_FAST32_MAX__
-#undef INT_FAST64_MAX
-#define INT_FAST64_MAX __INT_FAST64_MAX__
-#undef INT_FAST64_MIN
-#define INT_FAST64_MIN (-INT_FAST64_MAX - 1)
-#undef UINT_FAST64_MAX
-#define UINT_FAST64_MAX __UINT_FAST64_MAX__
-
-#ifdef __INTPTR_MAX__
-# undef INTPTR_MAX
-# define INTPTR_MAX __INTPTR_MAX__
-# undef INTPTR_MIN
-# define INTPTR_MIN (-INTPTR_MAX - 1)
-#endif
-#ifdef __UINTPTR_MAX__
-# undef UINTPTR_MAX
-# define UINTPTR_MAX __UINTPTR_MAX__
-#endif
-
-#undef INTMAX_MAX
-#define INTMAX_MAX __INTMAX_MAX__
-#undef INTMAX_MIN
-#define INTMAX_MIN (-INTMAX_MAX - 1)
-#undef UINTMAX_MAX
-#define UINTMAX_MAX __UINTMAX_MAX__
-
-/* 7.18.3 Limits of other integer types */
-
-#undef PTRDIFF_MAX
-#define PTRDIFF_MAX __PTRDIFF_MAX__
-#undef PTRDIFF_MIN
-#define PTRDIFF_MIN (-PTRDIFF_MAX - 1)
-
-#undef SIG_ATOMIC_MAX
-#define SIG_ATOMIC_MAX __SIG_ATOMIC_MAX__
-#undef SIG_ATOMIC_MIN
-#define SIG_ATOMIC_MIN __SIG_ATOMIC_MIN__
-
-#undef SIZE_MAX
-#define SIZE_MAX __SIZE_MAX__
-
-#undef WCHAR_MAX
-#define WCHAR_MAX __WCHAR_MAX__
-#undef WCHAR_MIN
-#define WCHAR_MIN __WCHAR_MIN__
-
-#undef WINT_MAX
-#define WINT_MAX __WINT_MAX__
-#undef WINT_MIN
-#define WINT_MIN __WINT_MIN__
-
-#endif /* (!defined __cplusplus || __cplusplus >= 201103L
-	   || defined __STDC_LIMIT_MACROS)  */
-
-#if (!defined __cplusplus || __cplusplus >= 201103L \
-     || defined __STDC_CONSTANT_MACROS)
-
-#undef INT8_C
-#define INT8_C(c) __INT8_C(c)
-#undef INT16_C
-#define INT16_C(c) __INT16_C(c)
-#undef INT32_C
-#define INT32_C(c) __INT32_C(c)
-#undef INT64_C
-#define INT64_C(c) __INT64_C(c)
-#undef UINT8_C
-#define UINT8_C(c) __UINT8_C(c)
-#undef UINT16_C
-#define UINT16_C(c) __UINT16_C(c)
-#undef UINT32_C
-#define UINT32_C(c) __UINT32_C(c)
-#undef UINT64_C
-#define UINT64_C(c) __UINT64_C(c)
-#undef INTMAX_C
-#define INTMAX_C(c) __INTMAX_C(c)
-#undef UINTMAX_C
-#define UINTMAX_C(c) __UINTMAX_C(c)
-
-#endif /* (!defined __cplusplus || __cplusplus >= 201103L
-	   || defined __STDC_CONSTANT_MACROS) */
-
-#ifdef __STDC_WANT_IEC_60559_BFP_EXT__
-/* TS 18661-1 widths of integer types.  */
-
-#ifdef __INT8_TYPE__
-# undef INT8_WIDTH
-# define INT8_WIDTH 8
-#endif
-#ifdef __UINT8_TYPE__
-# undef UINT8_WIDTH
-# define UINT8_WIDTH 8
-#endif
-#ifdef __INT16_TYPE__
-# undef INT16_WIDTH
-# define INT16_WIDTH 16
-#endif
-#ifdef __UINT16_TYPE__
-# undef UINT16_WIDTH
-# define UINT16_WIDTH 16
-#endif
-#ifdef __INT32_TYPE__
-# undef INT32_WIDTH
-# define INT32_WIDTH 32
-#endif
-#ifdef __UINT32_TYPE__
-# undef UINT32_WIDTH
-# define UINT32_WIDTH 32
-#endif
-#ifdef __INT64_TYPE__
-# undef INT64_WIDTH
-# define INT64_WIDTH 64
-#endif
-#ifdef __UINT64_TYPE__
-# undef UINT64_WIDTH
-# define UINT64_WIDTH 64
-#endif
-
-#undef INT_LEAST8_WIDTH
-#define INT_LEAST8_WIDTH __INT_LEAST8_WIDTH__
-#undef UINT_LEAST8_WIDTH
-#define UINT_LEAST8_WIDTH __INT_LEAST8_WIDTH__
-#undef INT_LEAST16_WIDTH
-#define INT_LEAST16_WIDTH __INT_LEAST16_WIDTH__
-#undef UINT_LEAST16_WIDTH
-#define UINT_LEAST16_WIDTH __INT_LEAST16_WIDTH__
-#undef INT_LEAST32_WIDTH
-#define INT_LEAST32_WIDTH __INT_LEAST32_WIDTH__
-#undef UINT_LEAST32_WIDTH
-#define UINT_LEAST32_WIDTH __INT_LEAST32_WIDTH__
-#undef INT_LEAST64_WIDTH
-#define INT_LEAST64_WIDTH __INT_LEAST64_WIDTH__
-#undef UINT_LEAST64_WIDTH
-#define UINT_LEAST64_WIDTH __INT_LEAST64_WIDTH__
-
-#undef INT_FAST8_WIDTH
-#define INT_FAST8_WIDTH __INT_FAST8_WIDTH__
-#undef UINT_FAST8_WIDTH
-#define UINT_FAST8_WIDTH __INT_FAST8_WIDTH__
-#undef INT_FAST16_WIDTH
-#define INT_FAST16_WIDTH __INT_FAST16_WIDTH__
-#undef UINT_FAST16_WIDTH
-#define UINT_FAST16_WIDTH __INT_FAST16_WIDTH__
-#undef INT_FAST32_WIDTH
-#define INT_FAST32_WIDTH __INT_FAST32_WIDTH__
-#undef UINT_FAST32_WIDTH
-#define UINT_FAST32_WIDTH __INT_FAST32_WIDTH__
-#undef INT_FAST64_WIDTH
-#define INT_FAST64_WIDTH __INT_FAST64_WIDTH__
-#undef UINT_FAST64_WIDTH
-#define UINT_FAST64_WIDTH __INT_FAST64_WIDTH__
-
-#ifdef __INTPTR_TYPE__
-# undef INTPTR_WIDTH
-# define INTPTR_WIDTH __INTPTR_WIDTH__
-#endif
-#ifdef __UINTPTR_TYPE__
-# undef UINTPTR_WIDTH
-# define UINTPTR_WIDTH __INTPTR_WIDTH__
-#endif
-
-#undef INTMAX_WIDTH
-#define INTMAX_WIDTH __INTMAX_WIDTH__
-#undef UINTMAX_WIDTH
-#define UINTMAX_WIDTH __INTMAX_WIDTH__
-
-#undef PTRDIFF_WIDTH
-#define PTRDIFF_WIDTH __PTRDIFF_WIDTH__
-
-#undef SIG_ATOMIC_WIDTH
-#define SIG_ATOMIC_WIDTH __SIG_ATOMIC_WIDTH__
-
-#undef SIZE_WIDTH
-#define SIZE_WIDTH __SIZE_WIDTH__
-
-#undef WCHAR_WIDTH
-#define WCHAR_WIDTH __WCHAR_WIDTH__
-
-#undef WINT_WIDTH
-#define WINT_WIDTH __WINT_WIDTH__
-
-#ifdef __ILP32__
-#define SIZE_MAX UINT32_MAX
-#else
-#define SIZE_MAX UINT64_MAX
-#endif
-#endif
-
-#endif /* _GCC_STDINT_H */

include/stdio_ext.h

@@ -1,22 +0,0 @@
-#ifndef _STDIO_EXT_H
-#define _STDIO_EXT_H
-
-#include <stdio.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-size_t __freadahead(FILE *stream);
-size_t __fpending(FILE *stream);
-int __freadable(FILE *stream);
-int __freading(FILE *stream);
-void __fseterr(FILE *stream);
-int __fwritable(FILE *stream);
-int __fwriting(FILE *stream);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif /* _STDIO_EXT_H */

include/stdnoreturn.h

@@ -1,19 +0,0 @@
-/* Spec:
- * The <stdnoreturn.h> header shall define the macro noreturn which shall
- * expand to _Noreturn */
-
-#ifndef _STDNORETURN_H
-#define _STDNORETURN_H
-
-#ifndef __cplusplus
-/* Borrowed from musl */
-#if __STDC_VERSION__ >= 201112L
-#elif defined(__GNUC__)
-    #define _Noreturn __attribute__((__noreturn__))
-#else
-    #define _Noreturn
-#endif
-#define noreturn _Noreturn
-#endif
-
-#endif

include/sys/param.h

@@ -1,36 +0,0 @@
-#ifndef _SYS_PARAM_H
-#define _SYS_PARAM_H
-
-#define MIN(a,b) (((a) < (b)) ? (a) : (b))
-#define MAX(a,b) (((a) > (b)) ? (a) : (b))
-
-#define __bitop(array, index, op) ((array)[(index) / 8] op (1 << (index) % 8))
-#define setbit(array, index) __bitop(array, index, |=)
-#define clrbit(array, index) __bitop(array, index, &= ~)
-#define isset(array, index) __bitop(array, index, &)
-#define isclr(array, index) !isset(array, index)
-
-#define howmany(bits, size) (((bits) + (size) - 1) / (size))
-#define roundup(bits, size) (howmany(bits, size) * (size))
-#define powerof2(n) !(((n) - 1) & (n))
-
-// Shamelessly copied from musl.
-// Tweak as needed.
-#define MAXSYMLINKS 20
-#define MAXHOSTNAMELEN 64
-#define MAXNAMLEN 255
-#define MAXPATHLEN 4096
-#define NBBY 8
-#define NGROUPS 32
-#define CANBSIZ 255
-#define NOFILE 256
-#define NCARGS 131072
-#define DEV_BSIZE 512
-#define NOGROUP (-1)
-
-#include <sys/resource.h>
-#include <limits.h>
-
-#include <machine/endian.h>
-
-#endif

include/sys/poll.h

@@ -1 +0,0 @@
-#include <poll.h>

include/sys/queue.h

@@ -1,846 +0,0 @@
-/*	$NetBSD: queue.h,v 1.70 2015/11/02 15:21:23 christos Exp $	*/
-
-/*
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)queue.h	8.5 (Berkeley) 8/20/94
- */
-
-#ifndef	_SYS_QUEUE_H_
-#define	_SYS_QUEUE_H_
-
-/*
- * This file defines five types of data structures: singly-linked lists,
- * lists, simple queues, tail queues, and circular queues.
- *
- * A singly-linked list is headed by a single forward pointer. The
- * elements are singly linked for minimum space and pointer manipulation
- * overhead at the expense of O(n) removal for arbitrary elements. New
- * elements can be added to the list after an existing element or at the
- * head of the list.  Elements being removed from the head of the list
- * should use the explicit macro for this purpose for optimum
- * efficiency. A singly-linked list may only be traversed in the forward
- * direction.  Singly-linked lists are ideal for applications with large
- * datasets and few or no removals or for implementing a LIFO queue.
- *
- * A list is headed by a single forward pointer (or an array of forward
- * pointers for a hash table header). The elements are doubly linked
- * so that an arbitrary element can be removed without a need to
- * traverse the list. New elements can be added to the list before
- * or after an existing element or at the head of the list. A list
- * may only be traversed in the forward direction.
- *
- * A simple queue is headed by a pair of pointers, one the head of the
- * list and the other to the tail of the list. The elements are singly
- * linked to save space, so elements can only be removed from the
- * head of the list. New elements can be added to the list after
- * an existing element, at the head of the list, or at the end of the
- * list. A simple queue may only be traversed in the forward direction.
- *
- * A tail queue is headed by a pair of pointers, one to the head of the
- * list and the other to the tail of the list. The elements are doubly
- * linked so that an arbitrary element can be removed without a need to
- * traverse the list. New elements can be added to the list before or
- * after an existing element, at the head of the list, or at the end of
- * the list. A tail queue may be traversed in either direction.
- *
- * A circle queue is headed by a pair of pointers, one to the head of the
- * list and the other to the tail of the list. The elements are doubly
- * linked so that an arbitrary element can be removed without a need to
- * traverse the list. New elements can be added to the list before or after
- * an existing element, at the head of the list, or at the end of the list.
- * A circle queue may be traversed in either direction, but has a more
- * complex end of list detection.
- *
- * For details on the use of these macros, see the queue(3) manual page.
- */
-
-/*
- * Include the definition of NULL only on NetBSD because sys/null.h
- * is not available elsewhere.  This conditional makes the header
- * portable and it can simply be dropped verbatim into any system.
- * The caveat is that on other systems some other header
- * must provide NULL before the macros can be used.
- */
-#ifdef __NetBSD__
-#include <sys/null.h>
-#endif
-
-#if defined(QUEUEDEBUG)
-# if defined(_KERNEL)
-#  define QUEUEDEBUG_ABORT(...) panic(__VA_ARGS__)
-# else
-#  include <err.h>
-#  define QUEUEDEBUG_ABORT(...) err(1, __VA_ARGS__)
-# endif
-#endif
-
-/*
- * Singly-linked List definitions.
- */
-#define	SLIST_HEAD(name, type)						\
-struct name {								\
-	struct type *slh_first;	/* first element */			\
-}
-
-#define	SLIST_HEAD_INITIALIZER(head)					\
-	{ NULL }
-
-#define	SLIST_ENTRY(type)						\
-struct {								\
-	struct type *sle_next;	/* next element */			\
-}
-
-/*
- * Singly-linked List access methods.
- */
-#define	SLIST_FIRST(head)	((head)->slh_first)
-#define	SLIST_END(head)		NULL
-#define	SLIST_EMPTY(head)	((head)->slh_first == NULL)
-#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)
-
-#define	SLIST_FOREACH(var, head, field)					\
-	for((var) = (head)->slh_first;					\
-	    (var) != SLIST_END(head);					\
-	    (var) = (var)->field.sle_next)
-
-#define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\
-	for ((var) = SLIST_FIRST((head));				\
-	    (var) != SLIST_END(head) &&					\
-	    ((tvar) = SLIST_NEXT((var), field), 1);			\
-	    (var) = (tvar))
-
-/*
- * Singly-linked List functions.
- */
-#define	SLIST_INIT(head) do {						\
-	(head)->slh_first = SLIST_END(head);				\
-} while (/*CONSTCOND*/0)
-
-#define	SLIST_INSERT_AFTER(slistelm, elm, field) do {			\
-	(elm)->field.sle_next = (slistelm)->field.sle_next;		\
-	(slistelm)->field.sle_next = (elm);				\
-} while (/*CONSTCOND*/0)
-
-#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
-	(elm)->field.sle_next = (head)->slh_first;			\
-	(head)->slh_first = (elm);					\
-} while (/*CONSTCOND*/0)
-
-#define	SLIST_REMOVE_AFTER(slistelm, field) do {			\
-	(slistelm)->field.sle_next =					\
-	    SLIST_NEXT(SLIST_NEXT((slistelm), field), field);		\
-} while (/*CONSTCOND*/0)
-
-#define	SLIST_REMOVE_HEAD(head, field) do {				\
-	(head)->slh_first = (head)->slh_first->field.sle_next;		\
-} while (/*CONSTCOND*/0)
-
-#define	SLIST_REMOVE(head, elm, type, field) do {			\
-	if ((head)->slh_first == (elm)) {				\
-		SLIST_REMOVE_HEAD((head), field);			\
-	}								\
-	else {								\
-		struct type *curelm = (head)->slh_first;		\
-		while(curelm->field.sle_next != (elm))			\
-			curelm = curelm->field.sle_next;		\
-		curelm->field.sle_next =				\
-		    curelm->field.sle_next->field.sle_next;		\
-	}								\
-} while (/*CONSTCOND*/0)
-
-
-/*
- * List definitions.
- */
-#define	LIST_HEAD(name, type)						\
-struct name {								\
-	struct type *lh_first;	/* first element */			\
-}
-
-#define	LIST_HEAD_INITIALIZER(head)					\
-	{ NULL }
-
-#define	LIST_ENTRY(type)						\
-struct {								\
-	struct type *le_next;	/* next element */			\
-	struct type **le_prev;	/* address of previous next element */	\
-}
-
-/*
- * List access methods.
- */
-#define	LIST_FIRST(head)		((head)->lh_first)
-#define	LIST_END(head)			NULL
-#define	LIST_EMPTY(head)		((head)->lh_first == LIST_END(head))
-#define	LIST_NEXT(elm, field)		((elm)->field.le_next)
-
-#define	LIST_FOREACH(var, head, field)					\
-	for ((var) = ((head)->lh_first);				\
-	    (var) != LIST_END(head);					\
-	    (var) = ((var)->field.le_next))
-
-#define	LIST_FOREACH_SAFE(var, head, field, tvar)			\
-	for ((var) = LIST_FIRST((head));				\
-	    (var) != LIST_END(head) &&					\
-	    ((tvar) = LIST_NEXT((var), field), 1);			\
-	    (var) = (tvar))
-
-#define	LIST_MOVE(head1, head2) do {					\
-	LIST_INIT((head2));						\
-	if (!LIST_EMPTY((head1))) {					\
-		(head2)->lh_first = (head1)->lh_first;			\
-		LIST_INIT((head1));					\
-	}								\
-} while (/*CONSTCOND*/0)
-
-/*
- * List functions.
- */
-#if defined(QUEUEDEBUG)
-#define	QUEUEDEBUG_LIST_INSERT_HEAD(head, elm, field)			\
-	if ((head)->lh_first &&						\
-	    (head)->lh_first->field.le_prev != &(head)->lh_first)	\
-		QUEUEDEBUG_ABORT("LIST_INSERT_HEAD %p %s:%d", (head),	\
-		    __FILE__, __LINE__);
-#define	QUEUEDEBUG_LIST_OP(elm, field)					\
-	if ((elm)->field.le_next &&					\
-	    (elm)->field.le_next->field.le_prev !=			\
-	    &(elm)->field.le_next)					\
-		QUEUEDEBUG_ABORT("LIST_* forw %p %s:%d", (elm),		\
-		    __FILE__, __LINE__);				\
-	if (*(elm)->field.le_prev != (elm))				\
-		QUEUEDEBUG_ABORT("LIST_* back %p %s:%d", (elm),		\
-		    __FILE__, __LINE__);
-#define	QUEUEDEBUG_LIST_POSTREMOVE(elm, field)				\
-	(elm)->field.le_next = (void *)1L;				\
-	(elm)->field.le_prev = (void *)1L;
-#else
-#define	QUEUEDEBUG_LIST_INSERT_HEAD(head, elm, field)
-#define	QUEUEDEBUG_LIST_OP(elm, field)
-#define	QUEUEDEBUG_LIST_POSTREMOVE(elm, field)
-#endif
-
-#define	LIST_INIT(head) do {						\
-	(head)->lh_first = LIST_END(head);				\
-} while (/*CONSTCOND*/0)
-
-#define	LIST_INSERT_AFTER(listelm, elm, field) do {			\
-	QUEUEDEBUG_LIST_OP((listelm), field)				\
-	if (((elm)->field.le_next = (listelm)->field.le_next) != 	\
-	    LIST_END(head))						\
-		(listelm)->field.le_next->field.le_prev =		\
-		    &(elm)->field.le_next;				\
-	(listelm)->field.le_next = (elm);				\
-	(elm)->field.le_prev = &(listelm)->field.le_next;		\
-} while (/*CONSTCOND*/0)
-
-#define	LIST_INSERT_BEFORE(listelm, elm, field) do {			\
-	QUEUEDEBUG_LIST_OP((listelm), field)				\
-	(elm)->field.le_prev = (listelm)->field.le_prev;		\
-	(elm)->field.le_next = (listelm);				\
-	*(listelm)->field.le_prev = (elm);				\
-	(listelm)->field.le_prev = &(elm)->field.le_next;		\
-} while (/*CONSTCOND*/0)
-
-#define	LIST_INSERT_HEAD(head, elm, field) do {				\
-	QUEUEDEBUG_LIST_INSERT_HEAD((head), (elm), field)		\
-	if (((elm)->field.le_next = (head)->lh_first) != LIST_END(head))\
-		(head)->lh_first->field.le_prev = &(elm)->field.le_next;\
-	(head)->lh_first = (elm);					\
-	(elm)->field.le_prev = &(head)->lh_first;			\
-} while (/*CONSTCOND*/0)
-
-#define	LIST_REMOVE(elm, field) do {					\
-	QUEUEDEBUG_LIST_OP((elm), field)				\
-	if ((elm)->field.le_next != NULL)				\
-		(elm)->field.le_next->field.le_prev = 			\
-		    (elm)->field.le_prev;				\
-	*(elm)->field.le_prev = (elm)->field.le_next;			\
-	QUEUEDEBUG_LIST_POSTREMOVE((elm), field)			\
-} while (/*CONSTCOND*/0)
-
-#define LIST_REPLACE(elm, elm2, field) do {				\
-	if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)	\
-		(elm2)->field.le_next->field.le_prev =			\
-		    &(elm2)->field.le_next;				\
-	(elm2)->field.le_prev = (elm)->field.le_prev;			\
-	*(elm2)->field.le_prev = (elm2);				\
-	QUEUEDEBUG_LIST_POSTREMOVE((elm), field)			\
-} while (/*CONSTCOND*/0)
-
-/*
- * Simple queue definitions.
- */
-#define	SIMPLEQ_HEAD(name, type)					\
-struct name {								\
-	struct type *sqh_first;	/* first element */			\
-	struct type **sqh_last;	/* addr of last next element */		\
-}
-
-#define	SIMPLEQ_HEAD_INITIALIZER(head)					\
-	{ NULL, &(head).sqh_first }
-
-#define	SIMPLEQ_ENTRY(type)						\
-struct {								\
-	struct type *sqe_next;	/* next element */			\
-}
-
-/*
- * Simple queue access methods.
- */
-#define	SIMPLEQ_FIRST(head)		((head)->sqh_first)
-#define	SIMPLEQ_END(head)		NULL
-#define	SIMPLEQ_EMPTY(head)		((head)->sqh_first == SIMPLEQ_END(head))
-#define	SIMPLEQ_NEXT(elm, field)	((elm)->field.sqe_next)
-
-#define	SIMPLEQ_FOREACH(var, head, field)				\
-	for ((var) = ((head)->sqh_first);				\
-	    (var) != SIMPLEQ_END(head);					\
-	    (var) = ((var)->field.sqe_next))
-
-#define	SIMPLEQ_FOREACH_SAFE(var, head, field, next)			\
-	for ((var) = ((head)->sqh_first);				\
-	    (var) != SIMPLEQ_END(head) &&				\
-	    ((next = ((var)->field.sqe_next)), 1);			\
-	    (var) = (next))
-
-/*
- * Simple queue functions.
- */
-#define	SIMPLEQ_INIT(head) do {						\
-	(head)->sqh_first = NULL;					\
-	(head)->sqh_last = &(head)->sqh_first;				\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_INSERT_HEAD(head, elm, field) do {			\
-	if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)	\
-		(head)->sqh_last = &(elm)->field.sqe_next;		\
-	(head)->sqh_first = (elm);					\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_INSERT_TAIL(head, elm, field) do {			\
-	(elm)->field.sqe_next = NULL;					\
-	*(head)->sqh_last = (elm);					\
-	(head)->sqh_last = &(elm)->field.sqe_next;			\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
-	if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)\
-		(head)->sqh_last = &(elm)->field.sqe_next;		\
-	(listelm)->field.sqe_next = (elm);				\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_REMOVE_HEAD(head, field) do {				\
-	if (((head)->sqh_first = (head)->sqh_first->field.sqe_next) == NULL) \
-		(head)->sqh_last = &(head)->sqh_first;			\
-} while (/*CONSTCOND*/0)
-
-#define SIMPLEQ_REMOVE_AFTER(head, elm, field) do {			\
-	if (((elm)->field.sqe_next = (elm)->field.sqe_next->field.sqe_next) \
-	    == NULL)							\
-		(head)->sqh_last = &(elm)->field.sqe_next;		\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_REMOVE(head, elm, type, field) do {			\
-	if ((head)->sqh_first == (elm)) {				\
-		SIMPLEQ_REMOVE_HEAD((head), field);			\
-	} else {							\
-		struct type *curelm = (head)->sqh_first;		\
-		while (curelm->field.sqe_next != (elm))			\
-			curelm = curelm->field.sqe_next;		\
-		if ((curelm->field.sqe_next =				\
-			curelm->field.sqe_next->field.sqe_next) == NULL) \
-			    (head)->sqh_last = &(curelm)->field.sqe_next; \
-	}								\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_CONCAT(head1, head2) do {				\
-	if (!SIMPLEQ_EMPTY((head2))) {					\
-		*(head1)->sqh_last = (head2)->sqh_first;		\
-		(head1)->sqh_last = (head2)->sqh_last;		\
-		SIMPLEQ_INIT((head2));					\
-	}								\
-} while (/*CONSTCOND*/0)
-
-#define	SIMPLEQ_LAST(head, type, field)					\
-	(SIMPLEQ_EMPTY((head)) ?						\
-		NULL :							\
-	        ((struct type *)(void *)				\
-		((char *)((head)->sqh_last) - offsetof(struct type, field))))
-
-/*
- * Tail queue definitions.
- */
-#define	_TAILQ_HEAD(name, type, qual)					\
-struct name {								\
-	qual type *tqh_first;		/* first element */		\
-	qual type *qual *tqh_last;	/* addr of last next element */	\
-}
-#define TAILQ_HEAD(name, type)	_TAILQ_HEAD(name, struct type,)
-
-#define	TAILQ_HEAD_INITIALIZER(head)					\
-	{ TAILQ_END(head), &(head).tqh_first }
-
-#define	_TAILQ_ENTRY(type, qual)					\
-struct {								\
-	qual type *tqe_next;		/* next element */		\
-	qual type *qual *tqe_prev;	/* address of previous next element */\
-}
-#define TAILQ_ENTRY(type)	_TAILQ_ENTRY(struct type,)
-
-/*
- * Tail queue access methods.
- */
-#define	TAILQ_FIRST(head)		((head)->tqh_first)
-#define	TAILQ_END(head)			(NULL)
-#define	TAILQ_NEXT(elm, field)		((elm)->field.tqe_next)
-#define	TAILQ_LAST(head, headname) \
-	(*(((struct headname *)(void *)((head)->tqh_last))->tqh_last))
-#define	TAILQ_PREV(elm, headname, field) \
-	(*(((struct headname *)(void *)((elm)->field.tqe_prev))->tqh_last))
-#define	TAILQ_EMPTY(head)		(TAILQ_FIRST(head) == TAILQ_END(head))
-
-
-#define	TAILQ_FOREACH(var, head, field)					\
-	for ((var) = ((head)->tqh_first);				\
-	    (var) != TAILQ_END(head);					\
-	    (var) = ((var)->field.tqe_next))
-
-#define	TAILQ_FOREACH_SAFE(var, head, field, next)			\
-	for ((var) = ((head)->tqh_first);				\
-	    (var) != TAILQ_END(head) &&					\
-	    ((next) = TAILQ_NEXT(var, field), 1); (var) = (next))
-
-#define	TAILQ_FOREACH_REVERSE(var, head, headname, field)		\
-	for ((var) = TAILQ_LAST((head), headname);			\
-	    (var) != TAILQ_END(head);					\
-	    (var) = TAILQ_PREV((var), headname, field))
-
-#define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, prev)	\
-	for ((var) = TAILQ_LAST((head), headname);			\
-	    (var) != TAILQ_END(head) && 				\
-	    ((prev) = TAILQ_PREV((var), headname, field), 1); (var) = (prev))
-
-/*
- * Tail queue functions.
- */
-#if defined(QUEUEDEBUG)
-#define	QUEUEDEBUG_TAILQ_INSERT_HEAD(head, elm, field)			\
-	if ((head)->tqh_first &&					\
-	    (head)->tqh_first->field.tqe_prev != &(head)->tqh_first)	\
-		QUEUEDEBUG_ABORT("TAILQ_INSERT_HEAD %p %s:%d", (head),	\
-		    __FILE__, __LINE__);
-#define	QUEUEDEBUG_TAILQ_INSERT_TAIL(head, elm, field)			\
-	if (*(head)->tqh_last != NULL)					\
-		QUEUEDEBUG_ABORT("TAILQ_INSERT_TAIL %p %s:%d", (head),	\
-		    __FILE__, __LINE__);
-#define	QUEUEDEBUG_TAILQ_OP(elm, field)					\
-	if ((elm)->field.tqe_next &&					\
-	    (elm)->field.tqe_next->field.tqe_prev !=			\
-	    &(elm)->field.tqe_next)					\
-		QUEUEDEBUG_ABORT("TAILQ_* forw %p %s:%d", (elm),	\
-		    __FILE__, __LINE__);				\
-	if (*(elm)->field.tqe_prev != (elm))				\
-		QUEUEDEBUG_ABORT("TAILQ_* back %p %s:%d", (elm),	\
-		    __FILE__, __LINE__);
-#define	QUEUEDEBUG_TAILQ_PREREMOVE(head, elm, field)			\
-	if ((elm)->field.tqe_next == NULL &&				\
-	    (head)->tqh_last != &(elm)->field.tqe_next)			\
-		QUEUEDEBUG_ABORT("TAILQ_PREREMOVE head %p elm %p %s:%d",\
-		    (head), (elm), __FILE__, __LINE__);
-#define	QUEUEDEBUG_TAILQ_POSTREMOVE(elm, field)				\
-	(elm)->field.tqe_next = (void *)1L;				\
-	(elm)->field.tqe_prev = (void *)1L;
-#else
-#define	QUEUEDEBUG_TAILQ_INSERT_HEAD(head, elm, field)
-#define	QUEUEDEBUG_TAILQ_INSERT_TAIL(head, elm, field)
-#define	QUEUEDEBUG_TAILQ_OP(elm, field)
-#define	QUEUEDEBUG_TAILQ_PREREMOVE(head, elm, field)
-#define	QUEUEDEBUG_TAILQ_POSTREMOVE(elm, field)
-#endif
-
-#define	TAILQ_INIT(head) do {						\
-	(head)->tqh_first = TAILQ_END(head);				\
-	(head)->tqh_last = &(head)->tqh_first;				\
-} while (/*CONSTCOND*/0)
-
-#define	TAILQ_INSERT_HEAD(head, elm, field) do {			\
-	QUEUEDEBUG_TAILQ_INSERT_HEAD((head), (elm), field)		\
-	if (((elm)->field.tqe_next = (head)->tqh_first) != TAILQ_END(head))\
-		(head)->tqh_first->field.tqe_prev =			\
-		    &(elm)->field.tqe_next;				\
-	else								\
-		(head)->tqh_last = &(elm)->field.tqe_next;		\
-	(head)->tqh_first = (elm);					\
-	(elm)->field.tqe_prev = &(head)->tqh_first;			\
-} while (/*CONSTCOND*/0)
-
-#define	TAILQ_INSERT_TAIL(head, elm, field) do {			\
-	QUEUEDEBUG_TAILQ_INSERT_TAIL((head), (elm), field)		\
-	(elm)->field.tqe_next = TAILQ_END(head);			\
-	(elm)->field.tqe_prev = (head)->tqh_last;			\
-	*(head)->tqh_last = (elm);					\
-	(head)->tqh_last = &(elm)->field.tqe_next;			\
-} while (/*CONSTCOND*/0)
-
-#define	TAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
-	QUEUEDEBUG_TAILQ_OP((listelm), field)				\
-	if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != 	\
-	    TAILQ_END(head))						\
-		(elm)->field.tqe_next->field.tqe_prev = 		\
-		    &(elm)->field.tqe_next;				\
-	else								\
-		(head)->tqh_last = &(elm)->field.tqe_next;		\
-	(listelm)->field.tqe_next = (elm);				\
-	(elm)->field.tqe_prev = &(listelm)->field.tqe_next;		\
-} while (/*CONSTCOND*/0)
-
-#define	TAILQ_INSERT_BEFORE(listelm, elm, field) do {			\
-	QUEUEDEBUG_TAILQ_OP((listelm), field)				\
-	(elm)->field.tqe_prev = (listelm)->field.tqe_prev;		\
-	(elm)->field.tqe_next = (listelm);				\
-	*(listelm)->field.tqe_prev = (elm);				\
-	(listelm)->field.tqe_prev = &(elm)->field.tqe_next;		\
-} while (/*CONSTCOND*/0)
-
-#define	TAILQ_REMOVE(head, elm, field) do {				\
-	QUEUEDEBUG_TAILQ_PREREMOVE((head), (elm), field)		\
-	QUEUEDEBUG_TAILQ_OP((elm), field)				\
-	if (((elm)->field.tqe_next) != TAILQ_END(head))			\
-		(elm)->field.tqe_next->field.tqe_prev = 		\
-		    (elm)->field.tqe_prev;				\
-	else								\
-		(head)->tqh_last = (elm)->field.tqe_prev;		\
-	*(elm)->field.tqe_prev = (elm)->field.tqe_next;			\
-	QUEUEDEBUG_TAILQ_POSTREMOVE((elm), field);			\
-} while (/*CONSTCOND*/0)
-
-#define TAILQ_REPLACE(head, elm, elm2, field) do {			\
-        if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != 	\
-	    TAILQ_END(head))   						\
-                (elm2)->field.tqe_next->field.tqe_prev =		\
-                    &(elm2)->field.tqe_next;				\
-        else								\
-                (head)->tqh_last = &(elm2)->field.tqe_next;		\
-        (elm2)->field.tqe_prev = (elm)->field.tqe_prev;			\
-        *(elm2)->field.tqe_prev = (elm2);				\
-	QUEUEDEBUG_TAILQ_POSTREMOVE((elm), field);			\
-} while (/*CONSTCOND*/0)
-
-#define	TAILQ_CONCAT(head1, head2, field) do {				\
-	if (!TAILQ_EMPTY(head2)) {					\
-		*(head1)->tqh_last = (head2)->tqh_first;		\
-		(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last;	\
-		(head1)->tqh_last = (head2)->tqh_last;			\
-		TAILQ_INIT((head2));					\
-	}								\
-} while (/*CONSTCOND*/0)
-
-/*
- * Singly-linked Tail queue declarations.
- */
-#define	STAILQ_HEAD(name, type)						\
-struct name {								\
-	struct type *stqh_first;	/* first element */		\
-	struct type **stqh_last;	/* addr of last next element */	\
-}
-
-#define	STAILQ_HEAD_INITIALIZER(head)					\
-	{ NULL, &(head).stqh_first }
-
-#define	STAILQ_ENTRY(type)						\
-struct {								\
-	struct type *stqe_next;	/* next element */			\
-}
-
-/*
- * Singly-linked Tail queue access methods.
- */
-#define	STAILQ_FIRST(head)	((head)->stqh_first)
-#define	STAILQ_END(head)	NULL
-#define	STAILQ_NEXT(elm, field)	((elm)->field.stqe_next)
-#define	STAILQ_EMPTY(head)	(STAILQ_FIRST(head) == STAILQ_END(head))
-
-/*
- * Singly-linked Tail queue functions.
- */
-#define	STAILQ_INIT(head) do {						\
-	(head)->stqh_first = NULL;					\
-	(head)->stqh_last = &(head)->stqh_first;				\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_INSERT_HEAD(head, elm, field) do {			\
-	if (((elm)->field.stqe_next = (head)->stqh_first) == NULL)	\
-		(head)->stqh_last = &(elm)->field.stqe_next;		\
-	(head)->stqh_first = (elm);					\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_INSERT_TAIL(head, elm, field) do {			\
-	(elm)->field.stqe_next = NULL;					\
-	*(head)->stqh_last = (elm);					\
-	(head)->stqh_last = &(elm)->field.stqe_next;			\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
-	if (((elm)->field.stqe_next = (listelm)->field.stqe_next) == NULL)\
-		(head)->stqh_last = &(elm)->field.stqe_next;		\
-	(listelm)->field.stqe_next = (elm);				\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_REMOVE_HEAD(head, field) do {				\
-	if (((head)->stqh_first = (head)->stqh_first->field.stqe_next) == NULL) \
-		(head)->stqh_last = &(head)->stqh_first;			\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_REMOVE(head, elm, type, field) do {			\
-	if ((head)->stqh_first == (elm)) {				\
-		STAILQ_REMOVE_HEAD((head), field);			\
-	} else {							\
-		struct type *curelm = (head)->stqh_first;		\
-		while (curelm->field.stqe_next != (elm))			\
-			curelm = curelm->field.stqe_next;		\
-		if ((curelm->field.stqe_next =				\
-			curelm->field.stqe_next->field.stqe_next) == NULL) \
-			    (head)->stqh_last = &(curelm)->field.stqe_next; \
-	}								\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_FOREACH(var, head, field)				\
-	for ((var) = ((head)->stqh_first);				\
-		(var);							\
-		(var) = ((var)->field.stqe_next))
-
-#define	STAILQ_FOREACH_SAFE(var, head, field, tvar)			\
-	for ((var) = STAILQ_FIRST((head));				\
-	    (var) && ((tvar) = STAILQ_NEXT((var), field), 1);		\
-	    (var) = (tvar))
-
-#define	STAILQ_CONCAT(head1, head2) do {				\
-	if (!STAILQ_EMPTY((head2))) {					\
-		*(head1)->stqh_last = (head2)->stqh_first;		\
-		(head1)->stqh_last = (head2)->stqh_last;		\
-		STAILQ_INIT((head2));					\
-	}								\
-} while (/*CONSTCOND*/0)
-
-#define	STAILQ_LAST(head, type, field)					\
-	(STAILQ_EMPTY((head)) ?						\
-		NULL :							\
-	        ((struct type *)(void *)				\
-		((char *)((head)->stqh_last) - offsetof(struct type, field))))
-
-
-#ifndef _KERNEL
-/*
- * Circular queue definitions. Do not use. We still keep the macros
- * for compatibility but because of pointer aliasing issues their use
- * is discouraged!
- */
-
-/*
- * __launder_type():  We use this ugly hack to work around the the compiler
- * noticing that two types may not alias each other and elide tests in code.
- * We hit this in the CIRCLEQ macros when comparing 'struct name *' and
- * 'struct type *' (see CIRCLEQ_HEAD()).  Modern compilers (such as GCC
- * 4.8) declare these comparisons as always false, causing the code to
- * not run as designed.
- *
- * This hack is only to be used for comparisons and thus can be fully const.
- * Do not use for assignment.
- *
- * If we ever choose to change the ABI of the CIRCLEQ macros, we could fix
- * this by changing the head/tail sentinal values, but see the note above
- * this one.
- */
-static __inline const void * __launder_type(const void *);
-static __inline const void *
-__launder_type(const void *__x)
-{
-	__asm __volatile("" : "+r" (__x));
-	return __x;
-}
-
-#if defined(QUEUEDEBUG)
-#define QUEUEDEBUG_CIRCLEQ_HEAD(head, field)				\
-	if ((head)->cqh_first != CIRCLEQ_ENDC(head) &&			\
-	    (head)->cqh_first->field.cqe_prev != CIRCLEQ_ENDC(head))	\
-		QUEUEDEBUG_ABORT("CIRCLEQ head forw %p %s:%d", (head),	\
-		      __FILE__, __LINE__);				\
-	if ((head)->cqh_last != CIRCLEQ_ENDC(head) &&			\
-	    (head)->cqh_last->field.cqe_next != CIRCLEQ_ENDC(head))	\
-		QUEUEDEBUG_ABORT("CIRCLEQ head back %p %s:%d", (head),	\
-		      __FILE__, __LINE__);
-#define QUEUEDEBUG_CIRCLEQ_ELM(head, elm, field)			\
-	if ((elm)->field.cqe_next == CIRCLEQ_ENDC(head)) {		\
-		if ((head)->cqh_last != (elm))				\
-			QUEUEDEBUG_ABORT("CIRCLEQ elm last %p %s:%d",	\
-			    (elm), __FILE__, __LINE__);			\
-	} else {							\
-		if ((elm)->field.cqe_next->field.cqe_prev != (elm))	\
-			QUEUEDEBUG_ABORT("CIRCLEQ elm forw %p %s:%d",	\
-			    (elm), __FILE__, __LINE__);			\
-	}								\
-	if ((elm)->field.cqe_prev == CIRCLEQ_ENDC(head)) {		\
-		if ((head)->cqh_first != (elm))				\
-			QUEUEDEBUG_ABORT("CIRCLEQ elm first %p %s:%d",	\
-			    (elm), __FILE__, __LINE__);			\
-	} else {							\
-		if ((elm)->field.cqe_prev->field.cqe_next != (elm))	\
-			QUEUEDEBUG_ABORT("CIRCLEQ elm prev %p %s:%d",	\
-			    (elm), __FILE__, __LINE__);			\
-	}
-#define QUEUEDEBUG_CIRCLEQ_POSTREMOVE(elm, field)			\
-	(elm)->field.cqe_next = (void *)1L;				\
-	(elm)->field.cqe_prev = (void *)1L;
-#else
-#define QUEUEDEBUG_CIRCLEQ_HEAD(head, field)
-#define QUEUEDEBUG_CIRCLEQ_ELM(head, elm, field)
-#define QUEUEDEBUG_CIRCLEQ_POSTREMOVE(elm, field)
-#endif
-
-#define	CIRCLEQ_HEAD(name, type)					\
-struct name {								\
-	struct type *cqh_first;		/* first element */		\
-	struct type *cqh_last;		/* last element */		\
-}
-
-#define	CIRCLEQ_HEAD_INITIALIZER(head)					\
-	{ CIRCLEQ_END(&head), CIRCLEQ_END(&head) }
-
-#define	CIRCLEQ_ENTRY(type)						\
-struct {								\
-	struct type *cqe_next;		/* next element */		\
-	struct type *cqe_prev;		/* previous element */		\
-}
-
-/*
- * Circular queue functions.
- */
-#define	CIRCLEQ_INIT(head) do {						\
-	(head)->cqh_first = CIRCLEQ_END(head);				\
-	(head)->cqh_last = CIRCLEQ_END(head);				\
-} while (/*CONSTCOND*/0)
-
-#define	CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\
-	QUEUEDEBUG_CIRCLEQ_HEAD((head), field)				\
-	QUEUEDEBUG_CIRCLEQ_ELM((head), (listelm), field)		\
-	(elm)->field.cqe_next = (listelm)->field.cqe_next;		\
-	(elm)->field.cqe_prev = (listelm);				\
-	if ((listelm)->field.cqe_next == CIRCLEQ_ENDC(head))		\
-		(head)->cqh_last = (elm);				\
-	else								\
-		(listelm)->field.cqe_next->field.cqe_prev = (elm);	\
-	(listelm)->field.cqe_next = (elm);				\
-} while (/*CONSTCOND*/0)
-
-#define	CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {		\
-	QUEUEDEBUG_CIRCLEQ_HEAD((head), field)				\
-	QUEUEDEBUG_CIRCLEQ_ELM((head), (listelm), field)		\
-	(elm)->field.cqe_next = (listelm);				\
-	(elm)->field.cqe_prev = (listelm)->field.cqe_prev;		\
-	if ((listelm)->field.cqe_prev == CIRCLEQ_ENDC(head))		\
-		(head)->cqh_first = (elm);				\
-	else								\
-		(listelm)->field.cqe_prev->field.cqe_next = (elm);	\
-	(listelm)->field.cqe_prev = (elm);				\
-} while (/*CONSTCOND*/0)
-
-#define	CIRCLEQ_INSERT_HEAD(head, elm, field) do {			\
-	QUEUEDEBUG_CIRCLEQ_HEAD((head), field)				\
-	(elm)->field.cqe_next = (head)->cqh_first;			\
-	(elm)->field.cqe_prev = CIRCLEQ_END(head);			\
-	if ((head)->cqh_last == CIRCLEQ_ENDC(head))			\
-		(head)->cqh_last = (elm);				\
-	else								\
-		(head)->cqh_first->field.cqe_prev = (elm);		\
-	(head)->cqh_first = (elm);					\
-} while (/*CONSTCOND*/0)
-
-#define	CIRCLEQ_INSERT_TAIL(head, elm, field) do {			\
-	QUEUEDEBUG_CIRCLEQ_HEAD((head), field)				\
-	(elm)->field.cqe_next = CIRCLEQ_END(head);			\
-	(elm)->field.cqe_prev = (head)->cqh_last;			\
-	if ((head)->cqh_first == CIRCLEQ_ENDC(head))			\
-		(head)->cqh_first = (elm);				\
-	else								\
-		(head)->cqh_last->field.cqe_next = (elm);		\
-	(head)->cqh_last = (elm);					\
-} while (/*CONSTCOND*/0)
-
-#define	CIRCLEQ_REMOVE(head, elm, field) do {				\
-	QUEUEDEBUG_CIRCLEQ_HEAD((head), field)				\
-	QUEUEDEBUG_CIRCLEQ_ELM((head), (elm), field)			\
-	if ((elm)->field.cqe_next == CIRCLEQ_ENDC(head))		\
-		(head)->cqh_last = (elm)->field.cqe_prev;		\
-	else								\
-		(elm)->field.cqe_next->field.cqe_prev =			\
-		    (elm)->field.cqe_prev;				\
-	if ((elm)->field.cqe_prev == CIRCLEQ_ENDC(head))		\
-		(head)->cqh_first = (elm)->field.cqe_next;		\
-	else								\
-		(elm)->field.cqe_prev->field.cqe_next =			\
-		    (elm)->field.cqe_next;				\
-	QUEUEDEBUG_CIRCLEQ_POSTREMOVE((elm), field)			\
-} while (/*CONSTCOND*/0)
-
-#define	CIRCLEQ_FOREACH(var, head, field)				\
-	for ((var) = ((head)->cqh_first);				\
-		(var) != CIRCLEQ_ENDC(head);				\
-		(var) = ((var)->field.cqe_next))
-
-#define	CIRCLEQ_FOREACH_REVERSE(var, head, field)			\
-	for ((var) = ((head)->cqh_last);				\
-		(var) != CIRCLEQ_ENDC(head);				\
-		(var) = ((var)->field.cqe_prev))
-
-/*
- * Circular queue access methods.
- */
-#define	CIRCLEQ_FIRST(head)		((head)->cqh_first)
-#define	CIRCLEQ_LAST(head)		((head)->cqh_last)
-/* For comparisons */
-#define	CIRCLEQ_ENDC(head)		(__launder_type(head))
-/* For assignments */
-#define	CIRCLEQ_END(head)		((void *)(head))
-#define	CIRCLEQ_NEXT(elm, field)	((elm)->field.cqe_next)
-#define	CIRCLEQ_PREV(elm, field)	((elm)->field.cqe_prev)
-#define	CIRCLEQ_EMPTY(head)						\
-    (CIRCLEQ_FIRST(head) == CIRCLEQ_ENDC(head))
-
-#define CIRCLEQ_LOOP_NEXT(head, elm, field)				\
-	(((elm)->field.cqe_next == CIRCLEQ_ENDC(head))			\
-	    ? ((head)->cqh_first)					\
-	    : (elm->field.cqe_next))
-#define CIRCLEQ_LOOP_PREV(head, elm, field)				\
-	(((elm)->field.cqe_prev == CIRCLEQ_ENDC(head))			\
-	    ? ((head)->cqh_last)					\
-	    : (elm->field.cqe_prev))
-#endif /* !_KERNEL */
-
-#endif	/* !_SYS_QUEUE_H_ */

include/sys/redox.h

@@ -1,22 +0,0 @@
-#ifndef _SYS_REDOX_H
-#define _SYS_REDOX_H
-
-#include <sys/types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef __redox__
-
-ssize_t redox_fpath(int fd, void * buf, size_t count);
-void * redox_physalloc(size_t size);
-int redox_physfree(void * physical_address, size_t size);
-
-#endif
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif

include/sys/sysmacros.h

@@ -1,16 +0,0 @@
-// From musl, license MIT
-#ifndef _SYS_SYSMACROS_H
-#define _SYS_SYSMACROS_H
-
-#define major(x) \
-	((unsigned)( (((x)>>31>>1) & 0xfffff000) | (((x)>>8) & 0x00000fff) ))
-#define minor(x) \
-	((unsigned)( (((x)>>12) & 0xffffff00) | ((x) & 0x000000ff) ))
-
-#define makedev(x,y) ( \
-        (((x)&0xfffff000ULL) << 32) | \
-	(((x)&0x00000fffULL) << 8) | \
-        (((y)&0xffffff00ULL) << 12) | \
-	(((y)&0x000000ffULL)) )
-
-#endif

include/sys/user.h

@@ -1,13 +0,0 @@
-#ifndef _SYS_USER_H
-#define _SYS_USER_H
-#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_AMD64)
-#include <arch/x64/user.h>
-#elif defined(__aarch64__)
-#include <arch/aarch64/user.h>
-#elif defined(__riscv) && __riscv_xlen==64
-#include <arch/riscv64/user.h>
-#else
-#error "Unknown architecture"
-#endif
-
-#endif

include/sysexits.h

@@ -1,21 +0,0 @@
-#ifndef _SYSEXITS_H
-#define _SYSEXITS_H
-
-#define EX_OK 0
-#define EX_USAGE 64
-#define EX_DATAERR 65
-#define EX_NOINPUT 66
-#define EX_NOUSER 67
-#define EX_NOHOST 68
-#define EX_UNAVAILABLE 69
-#define EX_SOFTWARE 70
-#define EX_OSERR 71
-#define EX_OSFILE 72
-#define EX_CANTCREAT 73
-#define EX_IOERR 74
-#define EX_TEMPFAIL 75
-#define EX_PROTOCOL 76
-#define EX_NOPERM 77
-#define EX_CONFIG 78
-
-#endif /* _SYSEXITS_H */

include/syslog.h

@@ -1 +0,0 @@
-#include <sys/syslog.h>

ld_so/Cargo.toml

@@ -1,12 +0,0 @@
-[package]
-name = "ld_so"
-version = "0.1.0"
-authors = ["Jeremy Soller <jackpot51@gmail.com>"]
-edition = "2024"
-
-[lib]
-name = "ld_so"
-crate-type = ["staticlib"]
-
-[lints]
-workspace = true

ld_so/ld_script/aarch64-unknown-linux-gnu.ld

@@ -1,263 +0,0 @@
-/* Script for -z combreloc */
-/* Copyright (C) 2014-2025 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf64-littleaarch64", "elf64-bigaarch64", "elf64-littleaarch64")
-OUTPUT_ARCH(aarch64)
-ENTRY(_start)
-SEARCH_DIR("=/usr/aarch64-linux-gnu/lib64"); SEARCH_DIR("=/usr/local/lib64"); SEARCH_DIR("=/lib64"); SEARCH_DIR("=/usr/lib64"); SEARCH_DIR("=/usr/aarch64-linux-gnu/lib"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib");
-SECTIONS
-{
-  /* Read-only sections, merged into text segment: */
-  PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x400000));
-  . = SEGMENT_START("text-segment", 0x400000) + SIZEOF_HEADERS;
-  /* Place the build-id as close to the ELF headers as possible.  This
-     maximises the chance the build-id will be present in core files,
-     which GDB can then use to locate the associated debuginfo file.  */
-  .note.gnu.build-id  : { *(.note.gnu.build-id) }
-  .interp         : { *(.interp) }
-  .hash           : { *(.hash) }
-  .gnu.hash       : { *(.gnu.hash) }
-  .dynsym         : { *(.dynsym) }
-  .dynstr         : { *(.dynstr) }
-  .gnu.version    : { *(.gnu.version) }
-  .gnu.version_d  : { *(.gnu.version_d) }
-  .gnu.version_r  : { *(.gnu.version_r) }
-  .rela.dyn       :
-    {
-      *(.rela.init)
-      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
-      *(.rela.fini)
-      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
-      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
-      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
-      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
-      *(.rela.ctors)
-      *(.rela.dtors)
-      *(.rela.got)
-      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
-      *(.rela.ifunc)
-    }
-  .rela.plt       :
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-      *(.rela.plt)
-      PROVIDE_HIDDEN (__rela_iplt_start = .);
-      *(.rela.iplt)
-      PROVIDE_HIDDEN (__rela_iplt_end = .);
-    }
-  .relr.dyn : { *(.relr.dyn) }
-  /* Start of the executable code region.  */
-  .init           :
-  {
-    KEEP (*(SORT_NONE(.init)))
-  } =0x1f2003d5
-  .plt            : ALIGN(16) { *(.plt) *(.iplt) }
-  .text           :
-  {
-    *(.text.unlikely .text.*_unlikely .text.unlikely.*)
-    *(.text.exit .text.exit.*)
-    *(.text.startup .text.startup.*)
-    *(.text.hot .text.hot.*)
-    *(SORT(.text.sorted.*))
-    *(.text .stub .text.* .gnu.linkonce.t.*)
-    /* .gnu.warning sections are handled specially by elf.em.  */
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-  PROVIDE (__etext = .);
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-  /* Start of the Read Only Data region.  */
-  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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-  /* These sections are generated by the Sun/Oracle C++ compiler.  */
-  .exception_ranges   : ONLY_IF_RO { *(.exception_ranges*) }
-  /* Various note sections.  Placed here so that they are always included
-     in the read-only segment and not treated as orphan sections.  The
-     current orphan handling algorithm does place note sections after R/O
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-  .note.build-id :      { *(.note.build-id) }
-  .note.GNU-stack :     { *(.note.GNU-stack) }
-  .note.gnu-property :  { *(.note.gnu-property) }
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-  .note.netbsd.ident :  { *(.note.netbsd.ident) }
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-     the same address within the page on the next page up.  */
-  . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
-  /* Exception handling.  */
-  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
-  .sframe         : ONLY_IF_RW { *(.sframe) *(.sframe.*) }
-  .gnu_extab      : ONLY_IF_RW { *(.gnu_extab) }
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-  .exception_ranges   : ONLY_IF_RW { *(.exception_ranges*) }
-  /* Thread Local Storage sections.  */
-  /* .tdata	  :
-   {
-     PROVIDE_HIDDEN (__tdata_start = .);
-     *(.tdata .tdata.* .gnu.linkonce.td.*)
-   }
-  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } */
-  .preinit_array    :
-  {
-    PROVIDE_HIDDEN (__preinit_array_start = .);
-    KEEP (*(.preinit_array))
-    PROVIDE_HIDDEN (__preinit_array_end = .);
-  }
-  /* .init_array    :
-  {
-    PROVIDE_HIDDEN (__init_array_start = .);
-    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
-    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
-    PROVIDE_HIDDEN (__init_array_end = .);
-  } */
-  .fini_array    :
-  {
-    PROVIDE_HIDDEN (__fini_array_start = .);
-    KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
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-    PROVIDE_HIDDEN (__fini_array_end = .);
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-  .ctors          :
-  {
-    /* gcc uses crtbegin.o to find the start of
-       the constructors, so we make sure it is
-       first.  Because this is a wildcard, it
-       doesn't matter if the user does not
-       actually link against crtbegin.o; the
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-       doesn't matter which directory crtbegin.o
-       is in.  */
-    KEEP (*crtbegin.o(.ctors))
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-       The .ctor section from the crtend file contains the
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-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
-    KEEP (*(SORT(.ctors.*)))
-    KEEP (*(.ctors))
-  }
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-  {
-    KEEP (*crtbegin.o(.dtors))
-    KEEP (*crtbegin?.o(.dtors))
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
-    KEEP (*(SORT(.dtors.*)))
-    KEEP (*(.dtors))
-  }
-  .jcr            : { KEEP (*(.jcr)) }
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ld_so/ld_script/aarch64-unknown-redox.ld

@@ -1,255 +0,0 @@
-/* Script for -z combreloc */
-/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf64-littleaarch64", "elf64-littleaarch64",
-              "elf64-littleaarch64")
-OUTPUT_ARCH(aarch64)
-ENTRY(_start)
-SEARCH_DIR("/aarch64-unknown-redox/lib");
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ld_so/ld_script/i586-unknown-redox.ld

@@ -1,256 +0,0 @@
-/* Script for -z combreloc */
-/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf32-i386", "elf32-i386",
-              "elf32-i386")
-OUTPUT_ARCH(i386)
-ENTRY(_start)
-SEARCH_DIR("/i686-unknown-redox/lib");
-SEARCH_DIR("/usr/local/lib32");
-SEARCH_DIR("/lib32");
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-SEARCH_DIR("/usr/local/lib");
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ld_so/ld_script/i686-unknown-redox.ld

@@ -1,256 +0,0 @@
-/* Script for -z combreloc */
-/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf32-i386", "elf32-i386",
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-OUTPUT_ARCH(i386)
-ENTRY(_start)
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ld_so/ld_script/riscv64gc-unknown-redox.ld

@@ -1,247 +0,0 @@
-/* Script for -z combreloc */
-/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv" )
-OUTPUT_ARCH(riscv)
-ENTRY(_start)
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ld_so/ld_script/x86_64-unknown-linux-gnu.ld

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-/* Script for -z combreloc */
-/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
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-OUTPUT_ARCH(i386:x86-64)
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ld_so/ld_script/x86_64-unknown-redox.ld

@@ -1,256 +0,0 @@
-/* Script for -z combreloc */
-/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
-   Copying and distribution of this script, with or without modification,
-   are permitted in any medium without royalty provided the copyright
-   notice and this notice are preserved.  */
-OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
-              "elf64-x86-64")
-OUTPUT_ARCH(i386:x86-64)
-ENTRY(_start)
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-    *(.text.startup .text.startup.*)
-    *(.text.hot .text.hot.*)
-    *(.text .stub .text.* .gnu.linkonce.t.*)
-    /* .gnu.warning sections are handled specially by elf.em.  */
-    *(.gnu.warning)
-  }
-  .fini           :
-  {
-    KEEP (*(SORT_NONE(.fini)))
-  }
-  PROVIDE (__etext = .);
-  PROVIDE (_etext = .);
-  PROVIDE (etext = .);
-  . = ALIGN(CONSTANT (MAXPAGESIZE));
-  /* Adjust the address for the rodata segment.  We want to adjust up to
-     the same address within the page on the next page up.  */
-  . = SEGMENT_START("rodata-segment", ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)));
-  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
-  .rodata1        : { *(.rodata1) }
-  .eh_frame_hdr   : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) }
-  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) }
-  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
-  .gnu_extab   : ONLY_IF_RO { *(.gnu_extab*) }
-  /* These sections are generated by the Sun/Oracle C++ compiler.  */
-  .exception_ranges   : ONLY_IF_RO { *(.exception_ranges*) }
-  /* Adjust the address for the data segment.  We want to adjust up to
-     the same address within the page on the next page up.  */
-  . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
-  /* Exception handling  */
-  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
-  .gnu_extab      : ONLY_IF_RW { *(.gnu_extab) }
-  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
-  .exception_ranges   : ONLY_IF_RW { *(.exception_ranges*) }
-  /* Thread Local Storage sections  */
-  /* .tdata          : ALIGN(4K)
-   {
-     PROVIDE_HIDDEN (__tdata_start = .);
-     *(.tdata .tdata.* .gnu.linkonce.td.*)
-   }
-  .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } */
-  .preinit_array    :
-  {
-    PROVIDE_HIDDEN (__preinit_array_start = .);
-    KEEP (*(.preinit_array))
-    PROVIDE_HIDDEN (__preinit_array_end = .);
-  }
-  /* .init_array    :
-  {
-    PROVIDE_HIDDEN (__init_array_start = .);
-    KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
-    KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
-    PROVIDE_HIDDEN (__init_array_end = .);
-  } */
-  .fini_array    :
-  {
-    PROVIDE_HIDDEN (__fini_array_start = .);
-    KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
-    KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
-    PROVIDE_HIDDEN (__fini_array_end = .);
-  }
-  .ctors          :
-  {
-    /* gcc uses crtbegin.o to find the start of
-       the constructors, so we make sure it is
-       first.  Because this is a wildcard, it
-       doesn't matter if the user does not
-       actually link against crtbegin.o; the
-       linker won't look for a file to match a
-       wildcard.  The wildcard also means that it
-       doesn't matter which directory crtbegin.o
-       is in.  */
-    KEEP (*crtbegin.o(.ctors))
-    KEEP (*crtbegin?.o(.ctors))
-    /* We don't want to include the .ctor section from
-       the crtend.o file until after the sorted ctors.
-       The .ctor section from the crtend file contains the
-       end of ctors marker and it must be last */
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
-    KEEP (*(SORT(.ctors.*)))
-    KEEP (*(.ctors))
-  }
-  .dtors          :
-  {
-    KEEP (*crtbegin.o(.dtors))
-    KEEP (*crtbegin?.o(.dtors))
-    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
-    KEEP (*(SORT(.dtors.*)))
-    KEEP (*(.dtors))
-  }
-  .jcr            : { KEEP (*(.jcr)) }
-  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
-  .dynamic        : { *(.dynamic) }
-  .got            : { *(.got) *(.igot) }
-  . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
-  .got.plt        : { *(.got.plt) *(.igot.plt) }
-  .data           :
-  {
-    *(.data .data.* .gnu.linkonce.d.*)
-    SORT(CONSTRUCTORS)
-  }
-  .data1          : { *(.data1) }
-  _edata = .; PROVIDE (edata = .);
-  . = .;
-  __bss_start = .;
-  .bss            :
-  {
-   *(.dynbss)
-   *(.bss .bss.* .gnu.linkonce.b.*)
-   *(COMMON)
-   /* Align here to ensure that the .bss section occupies space up to
-      _end.  Align after .bss to ensure correct alignment even if the
-      .bss section disappears because there are no input sections.
-      FIXME: Why do we need it? When there is no .bss section, we do not
-      pad the .data section.  */
-   . = ALIGN(. != 0 ? 64 / 8 : 1);
-  }
-  .lbss   :
-  {
-    *(.dynlbss)
-    *(.lbss .lbss.* .gnu.linkonce.lb.*)
-    *(LARGE_COMMON)
-  }
-  . = ALIGN(64 / 8);
-  . = SEGMENT_START("ldata-segment", .);
-  .lrodata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
-  {
-    *(.lrodata .lrodata.* .gnu.linkonce.lr.*)
-  }
-  .ldata   ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
-  {
-    *(.ldata .ldata.* .gnu.linkonce.l.*)
-    . = ALIGN(. != 0 ? 64 / 8 : 1);
-  }
-  . = ALIGN(64 / 8);
-  _end = .; PROVIDE (end = .);
-  . = DATA_SEGMENT_END (.);
-  /* Stabs debugging sections.  */
-  .stab          0 : { *(.stab) }
-  .stabstr       0 : { *(.stabstr) }
-  .stab.excl     0 : { *(.stab.excl) }
-  .stab.exclstr  0 : { *(.stab.exclstr) }
-  .stab.index    0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment       0 : { *(.comment) }
-  .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) }
-  /* DWARF debug sections.
-     Symbols in the DWARF debugging sections are relative to the beginning
-     of the section so we begin them at 0.  */
-  /* DWARF 1 */
-  .debug          0 : { *(.debug) }
-  .line           0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames 0 : { *(.debug_weaknames) }
-  .debug_funcnames 0 : { *(.debug_funcnames) }
-  .debug_typenames 0 : { *(.debug_typenames) }
-  .debug_varnames  0 : { *(.debug_varnames) }
-  /* DWARF 3 */
-  .debug_pubtypes 0 : { *(.debug_pubtypes) }
-  .debug_ranges   0 : { *(.debug_ranges) }
-  /* DWARF Extension.  */
-  .debug_macro    0 : { *(.debug_macro) }
-  .debug_addr     0 : { *(.debug_addr) }
-  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
-  /DISCARD/ : { 
-    *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) 
-    /*
-     * XXX: As of now, ld.so links with relibc which has the main functionality. In the next refactor,
-     * ld.so will be moved out of relibc. So, till that time, we have to discard any sections
-     * that may reference use thread local storage.
-     *
-     * .init_array also depends on TLS and is discarded as we don't need it.
-     */
-    *(.gnu.linkonce.tb.*) *(.tcommon)
-    *(.init_array)
-  }
-}

ld_so/src/lib.rs

@@ -1,136 +0,0 @@
-#![no_std]
-#![feature(linkage)]
-#![deny(unsafe_op_in_unsafe_fn)]
-
-use core::arch::global_asm;
-
-#[cfg(target_arch = "aarch64")]
-global_asm!(
-    "
-.weak _DYNAMIC
-.hidden _DYNAMIC
-
-.global _start
-_start:
-    mov x28, sp
-    // align stack to 16 bytes
-    and sp, x28, #0xfffffffffffffff0
-    adr x1, _start
-    mov x0, x28
-    adrp x2, _DYNAMIC
-    add x2, x2, #:lo12:_DYNAMIC
-    // ld_so_start(stack=x0, ld_entry=x1, dynamic=x2)
-    bl relibc_ld_so_start
-    // restore original stack, clear registers, and jump to the new start function
-    mov sp, x28
-    mov x1, xzr
-    mov x2, xzr
-    mov x3, xzr
-    mov x4, xzr
-    mov x5, xzr
-    mov x6, xzr
-    mov x7, xzr
-    mov x8, xzr
-    mov x9, xzr
-    mov x10, xzr
-    mov x11, xzr
-    mov x12, xzr
-    mov x13, xzr
-    mov x14, xzr
-    mov x15, xzr
-    mov x16, xzr
-    mov x17, xzr
-    mov x18, xzr
-    mov x19, xzr
-    mov x20, xzr
-    mov x21, xzr
-    mov x22, xzr
-    mov x23, xzr
-    mov x24, xzr
-    mov x25, xzr
-    mov x26, xzr
-    mov x27, xzr
-    mov x28, xzr
-    mov x29, xzr
-    mov x30, xzr
-    br x0
-    udf #0
-"
-);
-
-#[cfg(target_arch = "x86")]
-global_asm!(
-    "
-.globl _start
-_start:
-    push esp
-    call relibc_ld_so_start
-    pop esp
-    # TODO: x86
-    ud2
-"
-);
-
-#[cfg(target_arch = "x86_64")]
-global_asm!(
-    "
-.weak _DYNAMIC
-.hidden _DYNAMIC
-
-.globl _start
-_start:
-    lea rsi, [rip + _start]
-
-    # Save original stack and align stack to 16 bytes
-    mov rbp, rsp
-    and rsp, 0xfffffffffffffff0
-
-    # Call ld_so_start(stack=rdi, ld_entry=rsi, dynamic=rdx)
-    mov rdi, rbp
-    lea rdx, [rip + _DYNAMIC]
-    call relibc_ld_so_start
-
-    # Restore original stack, clear registers, and jump to new start function
-    mov rsp, rbp
-    xor rcx, rcx
-    xor rdx, rdx
-    xor rdi, rdi
-    xor rsi, rsi
-    xor r8, r8
-    xor r9, r9
-    xor r10, r10
-    xor r11, r11
-    fninit
-    jmp rax
-    ud2
-"
-);
-
-#[cfg(target_arch = "riscv64")]
-global_asm!(
-    "
-.globl _start
-_start:
-    mv a0, sp
-    jal relibc_ld_so_start
-    unimp
-"
-);
-
-#[unsafe(no_mangle)]
-pub unsafe extern "C" fn main(_argc: isize, _argv: *const *const i8) -> usize {
-    // LD
-    0x1D
-}
-
-#[linkage = "weak"]
-#[unsafe(no_mangle)]
-extern "C" fn relibc_panic(_pi: &::core::panic::PanicInfo) -> ! {
-    loop {}
-}
-
-#[panic_handler]
-#[linkage = "weak"]
-pub unsafe fn rust_begin_unwind(pi: &::core::panic::PanicInfo) -> ! {
-    relibc_panic(pi)
-}

linkers/riscv64-unknown-uefi.ld

@@ -0,0 +1,78 @@
+OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
+OUTPUT_ARCH(riscv)
+ENTRY(coff_start)
+SECTIONS
+{
+  PROVIDE(ImageBase = .);
+  . = SEGMENT_START("text-segment", 0) + SIZEOF_HEADERS;
+  .note.gnu.build-id  : { *(.note.gnu.build-id) }
+  .hash           : { *(.hash) *(.gnu.hash) }
+
+  . = ALIGN(4096);
+  .text :
+  {
+    PROVIDE(_text = .);
+    *(.text.unlikely .text.*_unlikely .text.unlikely.*)
+    *(.text.exit .text.exit.*)
+    *(.text.startup .text.startup.*)
+    *(.text.hot .text.hot.*)
+    *(SORT(.text.sorted.*))
+    *(.text .stub .text.* .gnu.linkonce.t.*)
+    /* .gnu.warning sections are handled specially by elf.em.  */
+    *(.gnu.warning)
+  }
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
+  PROVIDE (etext = .);
+  . = ALIGN(4096);
+
+  .rdata :
+   {
+     *(.rodata .rodata.* .gnu.linkonce.r.*)
+     *(.rodata1)
+     KEEP (*(.eh_frame))
+     *(.eh_frame.*)
+     *(.dynamic)
+   }
+  . = ALIGN(4096);
+  .data :
+  {
+    *(.got) *(.igot)
+    *(.got.plt) *(.igot.plt)
+    *(.data .data.* .gnu.linkonce.d.*)
+    *(.data1)
+    *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata .srodata.*)
+    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+  PROVIDE (_edata = .); PROVIDE (edata = .);
+  . = ALIGN(4096);
+  PROVIDE (__bss_start = .);
+    *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+   *(.dynbss)
+   *(.bss .bss.* .gnu.linkonce.b.*)
+   *(COMMON)
+  . = ALIGN(4096);
+  }
+  .reloc :
+  {
+    KEEP(*(.reloc*))
+  }
+  .rela :
+   {
+     *(.rela.*)
+   }
+  .data.rel.ro :
+   {
+     *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*)
+     *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*)
+   }
+  . = ALIGN(4096);
+
+  .dynsym         : { *(.dynsym) }
+  .dynstr         : { *(.dynstr) }
+
+   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
+}

linkers/x86-unknown-none.ld

@@ -0,0 +1,57 @@
+ENTRY(start)
+OUTPUT_FORMAT(elf32-i386)
+
+SECTIONS {
+    /* The start address must match bootloader.asm */
+    . = 0x13000;
+
+    . += SIZEOF_HEADERS;
+    . = ALIGN(4096);
+
+    .text : {
+        __text_start = .;
+        *(.text*)
+        . = ALIGN(4096);
+        __text_end = .;
+    }
+
+    .rodata : {
+        __rodata_start = .;
+        *(.rodata*)
+        . = ALIGN(4096);
+        __rodata_end = .;
+    }
+
+    .data : {
+        __data_start = .;
+        *(.data*)
+        . = ALIGN(4096);
+        __data_end = .;
+        __bss_start = .;
+        *(.bss*)
+        . = ALIGN(4096);
+        __bss_end = .;
+    }
+
+    .tdata : {
+        __tdata_start = .;
+        *(.tdata*)
+        . = ALIGN(4096);
+        __tdata_end = .;
+        __tbss_start = .;
+        *(.tbss*)
+        . += 8;
+        . = ALIGN(4096);
+        __tbss_end = .;
+    }
+
+    __end = .;
+
+    /DISCARD/ : {
+        *(.comment*)
+        *(.eh_frame*)
+        *(.gcc_except_table*)
+        *(.note*)
+        *(.rel.eh_frame*)
+    }
+}

mk/aarch64-unknown-uefi.mk

@@ -0,0 +1,69 @@
+export PARTED?=parted
+export QEMU?=qemu-system-aarch64
+
+all: $(BUILD)/bootloader.efi
+
+$(BUILD)/bootloader.efi: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target $(TARGET) \
+		--bin bootloader \
+		--release \
+		-- \
+		--emit link="$@"
+
+$(BUILD)/bootloader-live.efi: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target $(TARGET) \
+		--bin bootloader \
+		--release \
+		--features live \
+		-- \
+		--emit link="$@"
+
+$(BUILD)/esp.bin: $(BUILD)/bootloader.efi
+	rm -f "$@.partial"
+	fallocate -l 64MiB "$@.partial"
+	mkfs.vfat -F 32 "$@.partial"
+	mmd -i "$@.partial" efi
+	mmd -i "$@.partial" efi/boot
+	mcopy -i "$@.partial" "$<" ::efi/boot/bootaa64.efi
+	mv "$@.partial" "$@"
+
+$(BUILD)/harddrive.bin: $(BUILD)/esp.bin $(BUILD)/filesystem.bin
+	rm -f "$@.partial"
+	fallocate -l 320MiB "$@.partial"
+	$(PARTED) -s -a minimal "$@.partial" mklabel gpt
+	$(PARTED) -s -a minimal "$@.partial" mkpart ESP FAT32 1MiB 65MiB
+	$(PARTED) -s -a minimal "$@.partial" mkpart REDOXFS 65MiB 100%
+	$(PARTED) -s -a minimal "$@.partial" toggle 1 boot
+	dd if="$(BUILD)/esp.bin" of="$@.partial" bs=1MiB seek=1 conv=notrunc
+	dd if="$(BUILD)/filesystem.bin" of="$@.partial" bs=1MiB seek=65 conv=notrunc
+	mv "$@.partial" "$@"
+
+$(BUILD)/firmware.rom: /usr/share/AAVMF/AAVMF_CODE.fd
+	cp "$<" "$@"
+
+qemu: $(BUILD)/harddrive.bin $(BUILD)/firmware.rom
+	$(QEMU) \
+		-d cpu_reset \
+		-no-reboot \
+		-smp 4 -m 2048 \
+		-chardev stdio,id=debug,signal=off,mux=on \
+		-serial chardev:debug \
+		-mon chardev=debug \
+		-device virtio-gpu-pci \
+		-machine virt \
+		-net none \
+		-cpu max \
+		-bios "$(BUILD)/firmware.rom" \
+		-drive file="$<",format=raw

mk/riscv64gc-unknown-uefi.mk

@@ -0,0 +1,108 @@
+LD=riscv64-unknown-redox-ld
+OBJCOPY=riscv64-unknown-redox-objcopy
+SCRIPT=$(SOURCE)/linkers/riscv64-unknown-uefi.ld
+PARTED?=parted
+QEMU?=qemu-system-riscv64
+
+all: $(BUILD)/bootloader.efi
+
+$(BUILD)/%.efi: $(BUILD)/%.efi.elf $(BUILD)/%.efi.sym
+	$(OBJCOPY) -j .text -j .data -j .rdata -j .rela -j .reloc --target pei-riscv64-little \
+	           --file-alignment 512 --section-alignment 4096 --subsystem 10 "$<" "$@"
+
+.PRECIOUS: $(BUILD)/%.efi.sym
+$(BUILD)/%.efi.sym: $(BUILD)/%.efi.elf
+	$(OBJCOPY) --only-keep-debug "$<" "$@"
+
+$(BUILD)/%.efi.elf: $(BUILD)/%.a $(SCRIPT)
+	$(LD) --gc-sections -z max-page-size=0x1000 --warn-common --no-undefined -z nocombreloc -shared \
+	      --fatal-warnings -Bsymbolic --entry coff_start -T "$(SCRIPT)" -o "$@" "$<"
+
+$(BUILD)/bootloader.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target $(TARGET) \
+		--lib \
+		--release \
+		-- \
+		--emit link=$@
+
+$(BUILD)/bootloader-live.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target $(TARGET) \
+		--lib \
+		--release \
+		--features live \
+		-- \
+		--emit link=$@
+
+
+$(BUILD)/esp.bin: $(BUILD)/bootloader.efi
+	rm -f $@.partial
+	fallocate -l 64MiB $@.partial
+	mkfs.vfat -F 32 $@.partial
+	mmd -i $@.partial EFI
+	mmd -i $@.partial EFI/BOOT
+	mcopy -i $@.partial $< ::EFI/BOOT/BOOTRISCV64.EFI
+	mv $@.partial $@
+
+$(BUILD)/harddrive.bin: $(BUILD)/esp.bin $(BUILD)/filesystem.bin
+	rm -f $@.partial
+	fallocate -l 320MiB $@.partial
+	$(PARTED) -s -a minimal $@.partial mklabel gpt
+	$(PARTED) -s -a minimal $@.partial mkpart ESP FAT32 1MiB 65MiB
+	$(PARTED) -s -a minimal $@.partial mkpart REDOXFS 65MiB 100%
+	$(PARTED) -s -a minimal $@.partial toggle 1 boot
+	dd if=$(BUILD)/esp.bin of=$@.partial bs=1MiB seek=1 conv=notrunc
+	dd if=$(BUILD)/filesystem.bin of=$@.partial bs=1MiB seek=65 conv=notrunc
+	mv $@.partial $@
+
+$(BUILD)/fw_vars.img: /usr/share/qemu-efi-riscv64/RISCV_VIRT_VARS.fd
+	cp "$<" "$@"
+
+$(BUILD)/firmware.rom: /usr/share/qemu-efi-riscv64/RISCV_VIRT_CODE.fd
+	cp "$<" "$@"
+
+qemu-acpi: $(BUILD)/harddrive.bin $(BUILD)/firmware.rom $(BUILD)/fw_vars.img
+	$(QEMU) \
+	    -M virt \
+		-d cpu_reset \
+		-no-reboot \
+		-smp 4 -m 2048 \
+		-chardev stdio,id=debug,signal=off,mux=on \
+		-serial chardev:debug \
+		-mon chardev=debug \
+		-device virtio-gpu-pci \
+		-machine virt \
+		-net none \
+		-cpu max \
+		-drive if=pflash,format=raw,unit=0,file=$(BUILD)/firmware.rom,readonly=on \
+		-drive if=pflash,format=raw,unit=1,file=$(BUILD)/fw_vars.img \
+		-drive file=$(BUILD)/harddrive.bin,format=raw,if=virtio
+
+
+qemu-dtb: $(BUILD)/harddrive.bin $(BUILD)/firmware.rom $(BUILD)/fw_vars.img
+	$(QEMU) \
+	    -M virt,acpi=off \
+		-d cpu_reset \
+		-no-reboot \
+		-smp 4 -m 2048 \
+		-chardev stdio,id=debug,signal=off,mux=on \
+		-serial chardev:debug \
+		-mon chardev=debug \
+		-device virtio-gpu-pci \
+		-machine virt \
+		-net none \
+		-cpu max \
+		-drive if=pflash,format=raw,unit=0,file=$(BUILD)/firmware.rom,readonly=on \
+		-drive if=pflash,format=raw,unit=1,file=$(BUILD)/fw_vars.img \
+		-drive file=$(BUILD)/harddrive.bin,format=raw,if=virtio -s

mk/x86-unknown-none.mk

@@ -0,0 +1,65 @@
+export LD?=ld
+export OBJCOPY?=objcopy
+export PARTED?=parted
+export QEMU?=qemu-system-x86_64
+
+all: $(BUILD)/bootloader.bin
+
+$(BUILD)/libbootloader.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft -Zunstable-options" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target "$(TARGET)" \
+		--lib \
+		--release \
+		-- \
+		--emit link="$@"
+
+$(BUILD)/libbootloader-live.a: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft -Zunstable-options" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target "$(TARGET)" \
+		--lib \
+		--release \
+		--features live \
+		-- \
+		--emit link="$@"
+
+$(BUILD)/%.elf: $(BUILD)/lib%.a $(SOURCE)/linkers/$(TARGET).ld
+	$(LD) -m elf_i386 --gc-sections -z max-page-size=0x1000 -T "$(SOURCE)/linkers/$(TARGET).ld" -o "$@" "$<"
+	$(OBJCOPY) --only-keep-debug "$@" "$@.sym"
+	$(OBJCOPY) --strip-debug "$@"
+
+$(BUILD)/%.bin: $(BUILD)/%.elf $(shell find $(SOURCE)/asm/$(TARGET) -type f)
+	nasm -f bin -o "$@" -l "$@.lst" -D STAGE3="$<" -i"$(SOURCE)/asm/$(TARGET)/" "$(SOURCE)/asm/$(TARGET)/bootloader.asm"
+
+$(BUILD)/harddrive.bin: $(BUILD)/bootloader.bin $(BUILD)/filesystem.bin
+	rm -f "$@.partial"
+	fallocate -l 256MiB "$@.partial"
+	$(PARTED) -s -a minimal "$@.partial" mklabel msdos
+	$(PARTED) -s -a minimal "$@.partial" mkpart primary 2MiB 100%
+	dd if="$<" of="$@.partial" bs=1 count=446 conv=notrunc
+	dd if="$<" of="$@.partial" bs=512 skip=1 seek=1 conv=notrunc
+	dd if="$(BUILD)/filesystem.bin" of="$@.partial" bs=1MiB seek=2 conv=notrunc
+	mv "$@.partial" "$@"
+
+qemu: $(BUILD)/harddrive.bin
+	$(QEMU) \
+		-d cpu_reset \
+		-no-reboot \
+		-smp 4 -m 2048 \
+		-chardev stdio,id=debug,signal=off,mux=on \
+		-serial chardev:debug \
+		-mon chardev=debug \
+		-machine q35 \
+		-net none \
+		-enable-kvm \
+		-cpu host \
+		-drive file="$<",format=raw

mk/x86_64-unknown-uefi.mk

@@ -0,0 +1,70 @@
+export PARTED?=parted
+export QEMU?=qemu-system-x86_64
+
+all: $(BUILD)/bootloader.efi
+
+$(BUILD)/bootloader.efi: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p "$(BUILD)"
+	env RUSTFLAGS="--cfg aes_force_soft" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target $(TARGET) \
+		--bin bootloader \
+		--release \
+		-- \
+		--emit link="$@"
+
+$(BUILD)/bootloader-live.efi: $(SOURCE)/Cargo.toml $(SOURCE)/Cargo.lock $(shell find $(SOURCE)/src -type f)
+	mkdir -p $(BUILD)
+	cd "$(SOURCE)"
+	env RUSTFLAGS="--cfg aes_force_soft" \
+	cargo rustc \
+		--manifest-path="$<" \
+		-Z build-std=core,alloc \
+		-Z build-std-features=compiler-builtins-mem \
+		--target $(TARGET) \
+		--bin bootloader \
+		--release \
+		--features live \
+		-- \
+		--emit link="$@"
+
+$(BUILD)/esp.bin: $(BUILD)/bootloader.efi
+	rm -f "$@.partial"
+	fallocate -l 1MiB $@.partial
+	mkfs.vfat "$@.partial"
+	mmd -i "$@.partial" efi
+	mmd -i "$@.partial" efi/boot
+	mcopy -i "$@.partial" "$<" ::efi/boot/bootx64.efi
+	mv "$@.partial" "$@"
+
+$(BUILD)/harddrive.bin: $(BUILD)/esp.bin $(BUILD)/filesystem.bin
+	rm -f "$@.partial"
+	fallocate -l 320MiB "$@.partial"
+	$(PARTED) -s -a minimal "$@.partial" mklabel gpt
+	$(PARTED) -s -a minimal "$@.partial" mkpart ESP FAT32 1MiB 2MiB
+	$(PARTED) -s -a minimal "$@.partial" mkpart REDOXFS 2MiB 100%
+	$(PARTED) -s -a minimal "$@.partial" toggle 1 boot
+	dd if="$(BUILD)/esp.bin" of="$@.partial" bs=1MiB seek=1 conv=notrunc
+	dd if="$(BUILD)/filesystem.bin" of="$@.partial" bs=1MiB seek=2 conv=notrunc
+	mv "$@.partial" "$@"
+
+$(BUILD)/firmware.rom: /usr/share/OVMF/OVMF_CODE.fd
+	cp "$<" "$@"
+
+qemu: $(BUILD)/harddrive.bin $(BUILD)/firmware.rom
+	$(QEMU) \
+		-d cpu_reset \
+		-no-reboot \
+		-smp 4 -m 2048 \
+		-chardev stdio,id=debug,signal=off,mux=on \
+		-serial chardev:debug \
+		-mon chardev=debug \
+		-machine q35 \
+		-net none \
+		-enable-kvm \
+		-cpu host \
+		-bios "$(BUILD)/firmware.rom" \
+		-drive file="$<",format=raw

openlibm/.github/dependabot.yml

@@ -1,7 +0,0 @@
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-version: 2
-updates:
-  - package-ecosystem: "github-actions"
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "monthly"

openlibm/.github/workflows/ci.yml

@@ -1,93 +0,0 @@
-name: CI
-on:
-  pull_request:
-    branches:
-      - master
-  push:
-    branches:
-      - master
-    tags: '*'
-jobs:
-  test-unix:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-latest
-          - macos-latest
-    steps:
-      - uses: actions/checkout@v5
-      - run: make
-      - run: make test
-  windows:
-    runs-on: windows-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - { sys: mingw64, env: x86_64 }
-          - { sys: mingw32, env: i686 }
-          - { sys: ucrt64,  env: ucrt-x86_64 }  # Experimental!
-          - { sys: clang64, env: clang-x86_64 } # Experimental!
-    defaults:
-      run:
-        shell: msys2 {0}
-    steps:
-      - uses: actions/checkout@v5
-      - name: Set up the desired MSYS2 environment
-        uses: msys2/setup-msys2@v2
-        with:
-          msystem: ${{matrix.sys}}
-          install: base-devel mingw-w64-${{matrix.env}}-toolchain
-      - run: make
-      - run: make test
-  code-coverage-old:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v5
-      - name: Setup LCOV
-        uses: hrishikesh-kadam/setup-lcov@v1
-      - name: Build and Run tests
-        run: make coverage -j
-      # - name: Upload coverage to Codecov
-      #   uses: codecov/codecov-action@v5
-      #   with:
-      #     files: ./cov-html/libopenlibm.info
-      #     token: ${{ secrets.CODECOV_TOKEN }}
-      - uses: actions/upload-artifact@v4
-        with:
-          name: code-coverage-report-old
-          path: ./cov-html/
-  code-coverage:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Openlibm
-        uses: actions/checkout@v5 
-      - name: Checkout Openlibm-test
-        uses: actions/checkout@v5
-        with:
-          repository: 'JuliaMath/openlibm-test'
-          path: 'openlibm-test'
-      - name: Setup LCOV
-        uses: hrishikesh-kadam/setup-lcov@v1
-      - name: Build Openlibm
-        run: make -j`nproc` CODE_COVERAGE=1
-      - name: Run Test
-        run: |
-          make -j`nproc` -C openlibm-test \
-            USE_OPENLIBM=1 OPENLIBM_HOME="$(pwd)" \
-            SKIP_FP_EXCEPT_TEST=1 \
-      - name: Show Test Result
-        run: cat openlibm-test/src/REPORT
-      - name: Gen Coverage Report
-        run: make gen-cov-report
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
-        with:
-          files: ./cov-html/libopenlibm.info
-          token: ${{ secrets.CODECOV_TOKEN }}
-      - uses: actions/upload-artifact@v4
-        with:
-          name: code-coverage-report
-          path: ./cov-html/

openlibm/.github/workflows/cross-loongarch64.yml

@@ -1,54 +0,0 @@
-# merge this file into cross.yml
-# when we can `sudo apt install gcc-loongarch64-linux-gnu` on ubuntu
-name: Cross
-
-on:
-  pull_request:
-    branches:
-      - master
-  push:
-    branches:
-      - master
-    tags: '*'
-
-jobs:
-  build-cross-qemu:
-    # TODO: We need Ubuntu 24.04 to use newer version of qemu,
-    #   switch to ubuntu-latest when `ubuntu-latest >= 24.04`
-    runs-on: ubuntu-24.04
-    name: build-cross-qemu-${{ matrix.config.arch }}
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - { arch: loongarch64, triple: loongarch64-linux-gnu }
-    env:
-      ARCH: ${{ matrix.config.arch }}
-      TRIPLE: ${{ matrix.config.triple }}
-    steps:
-      - uses: actions/checkout@v5
-      - name: Install qemu
-        run: |
-          sudo apt update
-          sudo apt install -y qemu-user qemu-user-binfmt
-      - name: Install gcc-${{ matrix.config.triple }}
-        # package gcc-loongarch64-linux-gnu seems not exist
-        # https://packages.debian.org/sid/amd64/gcc-loongarch64-linux-gnu
-        run: sudo apt install -y gcc-14-loongarch64-linux-gnu
-      - name: Build with ${{ matrix.config.triple }}-gcc
-        run: |
-          make ARCH=$ARCH TOOLPREFIX=$TRIPLE- \
-            CC='loongarch64-linux-gnu-gcc-14' \
-            AR='loongarch64-linux-gnu-gcc-ar-14' \
-      - name: Build tests
-        run: |
-          make -C test ARCH=$ARCH TOOLPREFIX=$TRIPLE- \
-            CC='loongarch64-linux-gnu-gcc-14' \
-            AR='loongarch64-linux-gnu-gcc-ar-14' \
-      - name: Run Tests
-        env:
-          QEMU_EXEC: qemu-${{ matrix.config.arch }}
-          CROSS_LIB: /usr/${{ matrix.config.triple }}
-        run: |
-          $QEMU_EXEC -L . -L $CROSS_LIB/  test/test-float
-          $QEMU_EXEC -L . -L $CROSS_LIB/  test/test-double

openlibm/.github/workflows/cross.yml

@@ -1,53 +0,0 @@
-name: Cross
-
-on:
-  pull_request:
-    branches:
-      - master
-  push:
-    branches:
-      - master
-    tags: '*'
-
-jobs:
-  build-cross-qemu:
-    # TODO: We need Ubuntu 24.04 to use newer version of qemu,
-    #   switch to ubuntu-latest when `ubuntu-latest >= 24.04`
-    runs-on: ubuntu-24.04
-    name: build-cross-qemu-${{ matrix.config.arch }}
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - { arch: arm,      triple: arm-linux-gnueabihf }
-          - { arch: aarch64,  triple: aarch64-linux-gnu }
-          - { arch: ppc,      triple: powerpc-linux-gnu }
-          - { arch: ppc64,    triple: powerpc64-linux-gnu }
-          - { arch: ppc64le,  triple: powerpc64le-linux-gnu }
-          - { arch: mips,     triple: mips-linux-gnu }
-          - { arch: mipsel,   triple: mipsel-linux-gnu }
-          # Builds successfully, but tests fail.
-          # - { arch: mips64,   triple: mips64-linux-gnuabi64 }
-          # - { arch: mips64el, triple: mips64el-linux-gnuabi64 }
-          - { arch: riscv64,  triple: riscv64-linux-gnu }
-          - { arch: s390x,    triple: s390x-linux-gnu }
-    env:
-      ARCH: ${{ matrix.config.arch }}
-      TRIPLE: ${{ matrix.config.triple }}
-    steps:
-      - uses: actions/checkout@v5
-      - name: Install qemu and toolchain gcc-${{ matrix.config.triple }}
-        run: |
-          sudo apt update
-          sudo apt install qemu-user qemu-user-binfmt gcc-$TRIPLE -y
-      - name: Build with ${{ matrix.config.triple }}-gcc
-        run: make ARCH=$ARCH TOOLPREFIX=$TRIPLE-
-      - name: Build tests
-        run: make -C test ARCH=$ARCH TOOLPREFIX=$TRIPLE-
-      - name: Run Tests
-        env:
-          QEMU_EXEC: qemu-${{ matrix.config.arch }}
-          CROSS_LIB: /usr/${{ matrix.config.triple }}
-        run: |
-          $QEMU_EXEC -L . -L $CROSS_LIB/  test/test-float
-          $QEMU_EXEC -L . -L $CROSS_LIB/  test/test-double

openlibm/.gitignore

@@ -1,13 +0,0 @@
-*.o
-*~
-*.a
-*.dll*
-*.so*
-*.dylib*
-*.pc
-
-# code coverage
-openlibm-test
-cov-html/
-*.gcda
-*.gcno

openlibm/.mailmap

@@ -1,61 +0,0 @@
-JuliaLang <julia-dev@googlegroups.com> <julia-dev@googlegroups.com>
-JuliaLang <julia-dev@googlegroups.com> <julia-math@googlegroups.com>
-
-Jeff Bezanson <jeff.bezanson@gmail.com> <jeff.bezanson@gmail.com>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@beagle.darwinproject.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@caspian.caspian.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@evolution.local>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@mathstation045.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@mathstation049.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@mathstation186.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@post.harvard.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@scooby-doo.csail.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <bezanson@shaggy.csail.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <jeff@lagann.(none)>
-Jeff Bezanson <jeff.bezanson@gmail.com> <julia@beowulf1.csail.mit.edu>
-Jeff Bezanson <jeff.bezanson@gmail.com> <vcloud@julia02.domain.local>
-
-Stefan Karpinski <stefan@karpinski.org> <stefan@karpinski.org>
-Stefan Karpinski <stefan@karpinski.org> <stefan.karpinski@gmail.com>
-Stefan Karpinski <stefan@karpinski.org> <stefan.karpinski@post.harvard.edu>
-
-Viral B. Shah <viral@mayin.org> <viral@mayin.org>
-Viral B. Shah <viral@mayin.org> <viral@beowulf1.csail.mit.edu>
-Viral B. Shah <viral@mayin.org> <viral@neumann.cs.ucsb.edu>
-Viral B. Shah <viral@mayin.org> <viral@ubuntu-VirtualBox.(none)>
-
-George Xing <gxing@mit.edu> <gxing@mit.edu>
-George Xing <gxing@mit.edu> <noobiecubie@gmail.com>
-
-Stephan Boyer <boyers@mit.edu> <boyers@mit.edu>
-Stephan Boyer <boyers@mit.edu> <stephan@julialang.xvm.mit.edu>
-Stephan Boyer <boyers@mit.edu> <stephan@ubuntu.(none)>
-Stephan Boyer <boyers@mit.edu> <stephan@ubuntu.ubuntu-domain>
-
-Giuseppe Zingales <giuseppe.pet.zingales@gmail.com> <giuseppe.pet.zingales@gmail.com>
-Giuseppe Zingales <giuseppe.pet.zingales@gmail.com> <g3@ubuntu.ubuntu-domain>
-
-Jameson Nash <jameson@mit.edu> <jameson@mit.edu>
-Jameson Nash <jameson@mit.edu> <vtjnash@comcast.net>
-Jameson Nash <jameson@mit.edu> <vtjnash@gmail.com>
-
-Alan Edelman <mit.edelman@gmail.com> <mit.edelman@gmail.com>
-
-PlayMyCode <joe@playmycode.com> <joe@playmycode.com>
-PlayMyCode <joe@playmycode.com> <hello@playmycode.com>
-
-Corey M. Hoffstein <corey@hoffstein.com> <corey@hoffstein.com>
-Corey M. Hoffstein <corey@hoffstein.com> <corey@newfoundresearch.com>
-
-Stefan Kroboth <stefan.kroboth@gmail.com> <stefan.kroboth@gmail.com>
-
-Tim Holy <tim.holy@gmail.com> <tim.holy@gmail.com>
-Tim Holy <tim.holy@gmail.com> <holy@wustl.edu>
-
-Patrick O'Leary <patrick.oleary@gmail.com> <patrick.oleary@gmail.com>
-
-Ivan Mantova <horphus@gmail.com> <horphus@gmail.com>
-
-Keno Fischer <kfischer@college.harvard.edu> <kfischer@college.harvard.edu>
-Keno Fischer <kfischer@college.harvard.edu> <kfischer+github@college.harvard.edu>
-Keno Fischer <kfischer@college.harvard.edu> <kenof@stanford.edu>

openlibm/CMakeLists.txt

@@ -1,576 +0,0 @@
-cmake_minimum_required(VERSION 3.25)
-
-# Get version string from Make.inc
-file(READ "${CMAKE_CURRENT_LIST_DIR}/Make.inc" MAKE_FILE)
-string(REGEX MATCH "VERSION = ([0-9\.]+)" _ ${MAKE_FILE})
-
-project(openlibm
-        VERSION ${CMAKE_MATCH_1}
-        LANGUAGES C ASM)
-
-option(BUILD_SHARED_LIBS "Build using shared libraries" ON)
-
-add_library("${PROJECT_NAME}")
-
-# Find the relevant folder depending on the architecture
-set(OPENLIBM_ARCH_FOLDER ${CMAKE_SYSTEM_PROCESSOR})
-string(TOLOWER "${OPENLIBM_ARCH_FOLDER}" OPENLIBM_ARCH_FOLDER)
-
-if(${OPENLIBM_ARCH_FOLDER} STREQUAL "amd64" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "x86_64")
-    set(OPENLIBM_ARCH_FOLDER "amd64")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "arm64" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "aarch64")
-    set(OPENLIBM_ARCH_FOLDER "aarch64")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "armv7-a")
-    set(OPENLIBM_ARCH_FOLDER "arm")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "x86" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "i686")
-    set(OPENLIBM_ARCH_FOLDER "i387")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "powerpc")
-    set(OPENLIBM_ARCH_FOLDER "powerpc")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "riscv64")
-    set(OPENLIBM_ARCH_FOLDER "riscv64")
-else()
-    message(FATAL_ERROR "${PROJECT_NAME} not set up for detected architecture: ${OPENLIBM_ARCH_FOLDER}")
-endif()
-
-
-# Compile flags
-list(APPEND C_ASM_COMPILE_FLAGS "-ffp-contract=off" "-fno-fast-math" "-fno-rounding-math" "-fno-math-errno")
-list(APPEND C_ASM_COMPILE_FLAGS "-fPIC" "-std=c99" "-fno-builtin")
-list(APPEND C_ASM_COMPILE_FLAGS "-Wall" "-Wno-implicit-function-declaration")
-list(APPEND C_ASM_COMPILE_FLAGS "-DASSEMBLER" "-D__BSD_VISIBLE" "-O3")
-
-# Compiler-specific compile flags
-if("${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
-    list(APPEND C_ASM_COMPILE_FLAGS "-fno-strict-aliasing" "-ffp-exception-behavior=strict")
-elseif("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU")
-    list(APPEND C_ASM_COMPILE_FLAGS "-fno-gnu89-inline")
-else()
-    message(FATAL_ERROR "${PROJECT_NAME} not set up to be compiled with ${CMAKE_C_COMPILER_ID}")
-endif()
-
-# Architecture-specific compile flags - take advantage of sse on x86
-if(${OPENLIBM_ARCH_FOLDER} STREQUAL "i387")
-    list(APPEND C_ASM_COMPILE_FLAGS "-march=i686" "-m32" "-msse2" "-mfpmath=sse")
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "amd64")
-    list(APPEND C_ASM_COMPILE_FLAGS "-m64" "-msse2" "-mfpmath=sse")
-endif()
-
-# Suppress warnings if requested
-if(OPENLIBM_SUPPRESS_WARNINGS)
-    list(APPEND C_ASM_COMPILE_FLAGS "-w")
-endif()
-
-# Add compile flags
-target_compile_options("${PROJECT_NAME}" PUBLIC ${C_ASM_COMPILE_FLAGS})
-
-# Project Source
-set(PROJECT_SRC "${CMAKE_CURRENT_SOURCE_DIR}")
-
-# Common
-list(APPEND OPENLIBM_C_SOURCE
-        # src
-        "${PROJECT_SRC}/src/common.c"
-        "${PROJECT_SRC}/src/e_acos.c"
-        "${PROJECT_SRC}/src/e_acosf.c"
-        "${PROJECT_SRC}/src/e_acosh.c"
-        "${PROJECT_SRC}/src/e_acoshf.c"
-        "${PROJECT_SRC}/src/e_asin.c"
-        "${PROJECT_SRC}/src/e_asinf.c"
-        "${PROJECT_SRC}/src/e_atan2.c"
-        "${PROJECT_SRC}/src/e_atan2f.c"
-        "${PROJECT_SRC}/src/e_atanh.c"
-        "${PROJECT_SRC}/src/e_atanhf.c"
-        "${PROJECT_SRC}/src/e_cosh.c"
-        "${PROJECT_SRC}/src/e_coshf.c"
-        "${PROJECT_SRC}/src/e_exp.c"
-        "${PROJECT_SRC}/src/e_expf.c"
-        "${PROJECT_SRC}/src/e_fmod.c"
-        "${PROJECT_SRC}/src/e_fmodf.c"
-        "${PROJECT_SRC}/src/e_hypot.c"
-        "${PROJECT_SRC}/src/e_hypotf.c"
-        "${PROJECT_SRC}/src/e_j0.c"
-        "${PROJECT_SRC}/src/e_j0f.c"
-        "${PROJECT_SRC}/src/e_j1.c"
-        "${PROJECT_SRC}/src/e_j1f.c"
-        "${PROJECT_SRC}/src/e_jn.c"
-        "${PROJECT_SRC}/src/e_jnf.c"
-        "${PROJECT_SRC}/src/e_lgamma.c"
-        "${PROJECT_SRC}/src/e_lgamma_r.c"
-        "${PROJECT_SRC}/src/e_lgammaf.c"
-        "${PROJECT_SRC}/src/e_lgammaf_r.c"
-        "${PROJECT_SRC}/src/e_log.c"
-        "${PROJECT_SRC}/src/e_log10.c"
-        "${PROJECT_SRC}/src/e_log10f.c"
-        "${PROJECT_SRC}/src/e_log2.c"
-        "${PROJECT_SRC}/src/e_log2f.c"
-        "${PROJECT_SRC}/src/e_logf.c"
-        "${PROJECT_SRC}/src/e_pow.c"
-        "${PROJECT_SRC}/src/e_powf.c"
-        "${PROJECT_SRC}/src/e_remainder.c"
-        "${PROJECT_SRC}/src/e_remainderf.c"
-        "${PROJECT_SRC}/src/e_rem_pio2.c"
-        "${PROJECT_SRC}/src/e_rem_pio2f.c"
-        "${PROJECT_SRC}/src/e_sinh.c"
-        "${PROJECT_SRC}/src/e_sinhf.c"
-        "${PROJECT_SRC}/src/e_sqrt.c"
-        "${PROJECT_SRC}/src/e_sqrtf.c"
-        "${PROJECT_SRC}/src/k_cos.c"
-        "${PROJECT_SRC}/src/k_exp.c"
-        "${PROJECT_SRC}/src/k_expf.c"
-        "${PROJECT_SRC}/src/k_rem_pio2.c"
-        "${PROJECT_SRC}/src/k_sin.c"
-        "${PROJECT_SRC}/src/k_tan.c"
-        "${PROJECT_SRC}/src/k_cosf.c"
-        "${PROJECT_SRC}/src/k_sinf.c"
-        "${PROJECT_SRC}/src/k_tanf.c"
-        "${PROJECT_SRC}/src/s_asinh.c"
-        "${PROJECT_SRC}/src/s_asinhf.c"
-        "${PROJECT_SRC}/src/s_atan.c"
-        "${PROJECT_SRC}/src/s_atanf.c"
-        "${PROJECT_SRC}/src/s_carg.c"
-        "${PROJECT_SRC}/src/s_cargf.c"
-        "${PROJECT_SRC}/src/s_cbrt.c"
-        "${PROJECT_SRC}/src/s_cbrtf.c"
-        "${PROJECT_SRC}/src/s_ceil.c"
-        "${PROJECT_SRC}/src/s_ceilf.c"
-        "${PROJECT_SRC}/src/s_copysign.c"
-        "${PROJECT_SRC}/src/s_copysignf.c"
-        "${PROJECT_SRC}/src/s_cos.c"
-        "${PROJECT_SRC}/src/s_cosf.c"
-        "${PROJECT_SRC}/src/s_csqrt.c"
-        "${PROJECT_SRC}/src/s_csqrtf.c"
-        "${PROJECT_SRC}/src/s_erf.c"
-        "${PROJECT_SRC}/src/s_erff.c"
-        "${PROJECT_SRC}/src/s_exp2.c"
-        "${PROJECT_SRC}/src/s_exp2f.c"
-        "${PROJECT_SRC}/src/s_expm1.c"
-        "${PROJECT_SRC}/src/s_expm1f.c"
-        "${PROJECT_SRC}/src/s_fabs.c"
-        "${PROJECT_SRC}/src/s_fabsf.c"
-        "${PROJECT_SRC}/src/s_fdim.c"
-        "${PROJECT_SRC}/src/s_floor.c"
-        "${PROJECT_SRC}/src/s_floorf.c"
-        "${PROJECT_SRC}/src/s_fmax.c"
-        "${PROJECT_SRC}/src/s_fmaxf.c"
-        "${PROJECT_SRC}/src/s_fmin.c"
-        "${PROJECT_SRC}/src/s_fminf.c"
-        "${PROJECT_SRC}/src/s_fpclassify.c"
-        "${PROJECT_SRC}/src/s_frexp.c"
-        "${PROJECT_SRC}/src/s_frexpf.c"
-        "${PROJECT_SRC}/src/s_ilogb.c"
-        "${PROJECT_SRC}/src/s_ilogbf.c"
-        "${PROJECT_SRC}/src/s_isinf.c"
-        "${PROJECT_SRC}/src/s_isfinite.c"
-        "${PROJECT_SRC}/src/s_isnormal.c"
-        "${PROJECT_SRC}/src/s_isnan.c"
-        "${PROJECT_SRC}/src/s_log1p.c"
-        "${PROJECT_SRC}/src/s_log1pf.c"
-        "${PROJECT_SRC}/src/s_logb.c"
-        "${PROJECT_SRC}/src/s_logbf.c"
-        "${PROJECT_SRC}/src/s_modf.c"
-        "${PROJECT_SRC}/src/s_modff.c"
-        "${PROJECT_SRC}/src/s_nextafter.c"
-        "${PROJECT_SRC}/src/s_nextafterf.c"
-        "${PROJECT_SRC}/src/s_nexttowardf.c"
-        "${PROJECT_SRC}/src/s_remquo.c"
-        "${PROJECT_SRC}/src/s_remquof.c"
-        "${PROJECT_SRC}/src/s_rint.c"
-        "${PROJECT_SRC}/src/s_rintf.c"
-        "${PROJECT_SRC}/src/s_round.c"
-        "${PROJECT_SRC}/src/s_roundf.c"
-        "${PROJECT_SRC}/src/s_scalbln.c"
-        "${PROJECT_SRC}/src/s_scalbn.c"
-        "${PROJECT_SRC}/src/s_scalbnf.c"
-        "${PROJECT_SRC}/src/s_signbit.c"
-        "${PROJECT_SRC}/src/s_signgam.c"
-        "${PROJECT_SRC}/src/s_sin.c"
-        "${PROJECT_SRC}/src/s_sincos.c"
-        "${PROJECT_SRC}/src/s_sinf.c"
-        "${PROJECT_SRC}/src/s_sincosf.c"
-        "${PROJECT_SRC}/src/s_tan.c"
-        "${PROJECT_SRC}/src/s_tanf.c"
-        "${PROJECT_SRC}/src/s_tanh.c"
-        "${PROJECT_SRC}/src/s_tanhf.c"
-        "${PROJECT_SRC}/src/s_tgammaf.c"
-        "${PROJECT_SRC}/src/s_trunc.c"
-        "${PROJECT_SRC}/src/s_truncf.c"
-        "${PROJECT_SRC}/src/s_cpow.c"
-        "${PROJECT_SRC}/src/s_cpowf.c"
-        "${PROJECT_SRC}/src/w_cabs.c"
-        "${PROJECT_SRC}/src/w_cabsf.c"
-
-        "${PROJECT_SRC}/src/s_fma.c"
-        "${PROJECT_SRC}/src/s_fmaf.c"
-        "${PROJECT_SRC}/src/s_lrint.c"
-        "${PROJECT_SRC}/src/s_lrintf.c"
-        "${PROJECT_SRC}/src/s_lround.c"
-        "${PROJECT_SRC}/src/s_lroundf.c"
-        "${PROJECT_SRC}/src/s_llrint.c"
-        "${PROJECT_SRC}/src/s_llrintf.c"
-        "${PROJECT_SRC}/src/s_llround.c"
-        "${PROJECT_SRC}/src/s_llroundf.c"
-        "${PROJECT_SRC}/src/s_nearbyint.c"
-
-        # C99 complex functions
-        "${PROJECT_SRC}/src/s_ccosh.c"
-        "${PROJECT_SRC}/src/s_ccoshf.c"
-        "${PROJECT_SRC}/src/s_cexp.c"
-        "${PROJECT_SRC}/src/s_cexpf.c"
-	    "${PROJECT_SRC}/src/s_cimag.c"
-        "${PROJECT_SRC}/src/s_cimagf.c"
-        "${PROJECT_SRC}/src/s_conj.c"
-        "${PROJECT_SRC}/src/s_conjf.c"
-	    "${PROJECT_SRC}/src/s_cproj.c"
-        "${PROJECT_SRC}/src/s_cprojf.c"
-        "${PROJECT_SRC}/src/s_creal.c"
-        "${PROJECT_SRC}/src/s_crealf.c"
-	    "${PROJECT_SRC}/src/s_csinh.c"
-        "${PROJECT_SRC}/src/s_csinhf.c"
-        "${PROJECT_SRC}/src/s_ctanh.c"
-        "${PROJECT_SRC}/src/s_ctanhf.c"
-        "${PROJECT_SRC}/src/s_cacos.c"
-        "${PROJECT_SRC}/src/s_cacosf.c"
-        "${PROJECT_SRC}/src/s_cacosh.c"
-        "${PROJECT_SRC}/src/s_cacoshf.c"
-        "${PROJECT_SRC}/src/s_casin.c"
-        "${PROJECT_SRC}/src/s_casinf.c"
-        "${PROJECT_SRC}/src/s_casinh.c"
-        "${PROJECT_SRC}/src/s_casinhf.c"
-        "${PROJECT_SRC}/src/s_catan.c"
-        "${PROJECT_SRC}/src/s_catanf.c"
-        "${PROJECT_SRC}/src/s_catanh.c"
-        "${PROJECT_SRC}/src/s_catanhf.c"
-        "${PROJECT_SRC}/src/s_clog.c"
-        "${PROJECT_SRC}/src/s_clogf.c"
-
-        # bsdsrc
-		"${PROJECT_SRC}/bsdsrc/b_exp.c"
-		"${PROJECT_SRC}/bsdsrc/b_log.c"
-		"${PROJECT_SRC}/bsdsrc/b_tgamma.c"
-)
-
-if(NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
-    list(APPEND OPENLIBM_C_SOURCE
-            "${PROJECT_SRC}/src/s_nan.c"
-    )
-endif()
-
-# Determine if long double and double are the same size
-include(CheckCSourceCompiles)
-check_c_source_compiles("
-#include <float.h>
-#if (LDBL_MANT_DIG == DBL_MANT_DIG)
-#error \"long double and double are the same size\"
-#endif
-int main(void ) { return 0; }
-" LONG_DOUBLE_NOT_DOUBLE)
-
-# Add in long double functions for x86, x64 and aarch64
-if(LONG_DOUBLE_NOT_DOUBLE)
-    list(APPEND OPENLIBM_C_SOURCE
-            "${PROJECT_SRC}/src/s_copysignl.c"
-            "${PROJECT_SRC}/src/s_fabsl.c"
-            "${PROJECT_SRC}/src/s_llrintl.c"
-            "${PROJECT_SRC}/src/s_lrintl.c"
-            "${PROJECT_SRC}/src/s_modfl.c"
-
-            "${PROJECT_SRC}/src/e_acosl.c"
-            "${PROJECT_SRC}/src/e_asinl.c"
-            "${PROJECT_SRC}/src/e_atan2l.c"
-            "${PROJECT_SRC}/src/e_fmodl.c"
-	        "${PROJECT_SRC}/src/s_fmaxl.c"
-            "${PROJECT_SRC}/src/s_fminl.c"
-            "${PROJECT_SRC}/src/s_ilogbl.c"
-	        "${PROJECT_SRC}/src/e_hypotl.c"
-            "${PROJECT_SRC}/src/e_lgammal.c"
-            "${PROJECT_SRC}/src/e_remainderl.c"
-            "${PROJECT_SRC}/src/e_sqrtl.c"
-	        "${PROJECT_SRC}/src/s_atanl.c"
-            "${PROJECT_SRC}/src/s_ceill.c"
-            "${PROJECT_SRC}/src/s_cosl.c"
-            "${PROJECT_SRC}/src/s_cprojl.c"
-	        "${PROJECT_SRC}/src/s_csqrtl.c"
-            "${PROJECT_SRC}/src/s_floorl.c"
-            "${PROJECT_SRC}/src/s_fmal.c"
-	        "${PROJECT_SRC}/src/s_frexpl.c"
-            "${PROJECT_SRC}/src/s_logbl.c"
-            "${PROJECT_SRC}/src/s_nexttoward.c"
-	        "${PROJECT_SRC}/src/s_remquol.c"
-            "${PROJECT_SRC}/src/s_roundl.c"
-            "${PROJECT_SRC}/src/s_lroundl.c"
-            "${PROJECT_SRC}/src/s_llroundl.c"
-	        "${PROJECT_SRC}/src/s_cpowl.c"
-            "${PROJECT_SRC}/src/s_cargl.c"
-	        "${PROJECT_SRC}/src/s_sinl.c"
-            "${PROJECT_SRC}/src/s_sincosl.c"
-            "${PROJECT_SRC}/src/s_tanl.c"
-            "${PROJECT_SRC}/src/s_truncl.c"
-            "${PROJECT_SRC}/src/w_cabsl.c"
-	        "${PROJECT_SRC}/src/s_nextafterl.c"
-            "${PROJECT_SRC}/src/s_rintl.c"
-            "${PROJECT_SRC}/src/s_scalbnl.c"
-            "${PROJECT_SRC}/src/polevll.c"
-	        "${PROJECT_SRC}/src/s_casinl.c"
-            "${PROJECT_SRC}/src/s_ctanl.c"
-	        "${PROJECT_SRC}/src/s_cimagl.c"
-            "${PROJECT_SRC}/src/s_conjl.c"
-            "${PROJECT_SRC}/src/s_creall.c"
-            "${PROJECT_SRC}/src/s_cacoshl.c"
-            "${PROJECT_SRC}/src/s_catanhl.c"
-            "${PROJECT_SRC}/src/s_casinhl.c"
-	        "${PROJECT_SRC}/src/s_catanl.c"
-            "${PROJECT_SRC}/src/s_csinl.c"
-            "${PROJECT_SRC}/src/s_cacosl.c"
-            "${PROJECT_SRC}/src/s_cexpl.c"
-            "${PROJECT_SRC}/src/s_csinhl.c"
-            "${PROJECT_SRC}/src/s_ccoshl.c"
-	        "${PROJECT_SRC}/src/s_clogl.c"
-            "${PROJECT_SRC}/src/s_ctanhl.c"
-            "${PROJECT_SRC}/src/s_ccosl.c"
-            "${PROJECT_SRC}/src/s_cbrtl.c"
-    )
-endif()
-
-if (LONG_DOUBLE_NOT_DOUBLE)
-    if (${OPENLIBM_ARCH_FOLDER} STREQUAL "i387" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "amd64")
-        list(APPEND OPENLIBM_C_SOURCE
-            # ld80
-            "${PROJECT_SRC}/ld80/invtrig.c"
-            "${PROJECT_SRC}/ld80/e_acoshl.c"
-            "${PROJECT_SRC}/ld80/e_powl.c"
-            "${PROJECT_SRC}/ld80/k_tanl.c"
-            "${PROJECT_SRC}/ld80/s_exp2l.c"
-            "${PROJECT_SRC}/ld80/e_atanhl.c"
-            "${PROJECT_SRC}/ld80/e_lgammal_r.c"
-            "${PROJECT_SRC}/ld80/e_sinhl.c"
-            "${PROJECT_SRC}/ld80/s_asinhl.c"
-            "${PROJECT_SRC}/ld80/s_expm1l.c"
-            "${PROJECT_SRC}/ld80/e_coshl.c"
-            "${PROJECT_SRC}/ld80/e_log10l.c"
-            "${PROJECT_SRC}/ld80/e_tgammal.c"
-            "${PROJECT_SRC}/ld80/e_expl.c"
-            "${PROJECT_SRC}/ld80/e_log2l.c"
-            "${PROJECT_SRC}/ld80/k_cosl.c"
-            "${PROJECT_SRC}/ld80/s_log1pl.c"
-            "${PROJECT_SRC}/ld80/s_tanhl.c"
-            "${PROJECT_SRC}/ld80/e_logl.c"
-            "${PROJECT_SRC}/ld80/k_sinl.c"
-            "${PROJECT_SRC}/ld80/s_erfl.c"
-        )
-
-        if(NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
-            list(APPEND OPENLIBM_C_SOURCE
-                "${PROJECT_SRC}/ld80/s_nanl.c"
-            )
-        endif()
-    else()
-        if(${OPENLIBM_ARCH_FOLDER} STREQUAL "aarch64")
-            list(APPEND OPENLIBM_C_SOURCE
-                # ld128
-                "${PROJECT_SRC}/ld128/invtrig.c"
-                "${PROJECT_SRC}/ld128/e_acoshl.c"
-                "${PROJECT_SRC}/ld128/e_powl.c"
-                "${PROJECT_SRC}/ld128/k_tanl.c"
-                "${PROJECT_SRC}/ld128/s_exp2l.c"
-                "${PROJECT_SRC}/ld128/e_atanhl.c"
-                "${PROJECT_SRC}/ld128/e_lgammal_r.c"
-                "${PROJECT_SRC}/ld128/e_sinhl.c"
-                "${PROJECT_SRC}/ld128/s_asinhl.c"
-                "${PROJECT_SRC}/ld128/s_expm1l.c"
-                "${PROJECT_SRC}/ld128/e_coshl.c"
-                "${PROJECT_SRC}/ld128/e_log10l.c"
-                "${PROJECT_SRC}/ld128/e_tgammal.c"
-                "${PROJECT_SRC}/ld128/e_expl.c"
-                "${PROJECT_SRC}/ld128/e_log2l.c"
-                "${PROJECT_SRC}/ld128/k_cosl.c"
-                "${PROJECT_SRC}/ld128/s_log1pl.c"
-                "${PROJECT_SRC}/ld128/s_tanhl.c"
-                "${PROJECT_SRC}/ld128/e_logl.c"
-                "${PROJECT_SRC}/ld128/k_sinl.c"
-                "${PROJECT_SRC}/ld128/s_erfl.c"
-            )
-
-            if(NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
-                list(APPEND OPENLIBM_C_SOURCE
-                    "${PROJECT_SRC}/ld128/s_nanl.c"
-                )
-            endif()
-        endif()
-    endif()
-endif()
-
-# Architecture-specific sources
-if (${OPENLIBM_ARCH_FOLDER} STREQUAL "amd64")
-    list(APPEND OPENLIBM_C_SOURCE
-        "${PROJECT_SRC}/amd64/fenv.c"
-    )
-
-    list(APPEND OPENLIBM_ASM_SOURCE
-        "${PROJECT_SRC}/amd64/e_remainder.S"
-        "${PROJECT_SRC}/amd64/e_remainderf.S"
-        "${PROJECT_SRC}/amd64/e_remainderl.S"
-        "${PROJECT_SRC}/amd64/e_sqrt.S"
-        "${PROJECT_SRC}/amd64/e_sqrtf.S"
-        "${PROJECT_SRC}/amd64/e_sqrtl.S"
-        "${PROJECT_SRC}/amd64/s_llrint.S"
-        "${PROJECT_SRC}/amd64/s_llrintf.S"
-        "${PROJECT_SRC}/amd64/s_llrintl.S"
-        "${PROJECT_SRC}/amd64/s_logbl.S"
-        "${PROJECT_SRC}/amd64/s_lrint.S"
-        "${PROJECT_SRC}/amd64/s_lrintf.S"
-        "${PROJECT_SRC}/amd64/s_lrintl.S"
-        "${PROJECT_SRC}/amd64/s_remquo.S"
-        "${PROJECT_SRC}/amd64/s_remquof.S"
-        "${PROJECT_SRC}/amd64/s_remquol.S"
-        "${PROJECT_SRC}/amd64/s_rintl.S"
-        "${PROJECT_SRC}/amd64/s_scalbn.S"
-        "${PROJECT_SRC}/amd64/s_scalbnf.S"
-        "${PROJECT_SRC}/amd64/s_scalbnl.S"
-        "${PROJECT_SRC}/amd64/e_fmod.S"
-        "${PROJECT_SRC}/amd64/e_fmodf.S"
-        "${PROJECT_SRC}/amd64/e_fmodl.S"
-    )
-
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "aarch64")
-    list(APPEND OPENLIBM_C_SOURCE
-            "${PROJECT_SRC}/aarch64/fenv.c"
-    )
-
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "arm")
-    list(APPEND OPENLIBM_C_SOURCE
-            "${PROJECT_SRC}/${OPENLIBM_ARCH_FOLDER}/fenv.c"
-    )
-
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "i387")
-    list(APPEND OPENLIBM_C_SOURCE
-            "${PROJECT_SRC}/i387/fenv.c"
-    )
-
-    list(APPEND OPENLIBM_ASM_SOURCE
-            "${PROJECT_SRC}/i387/e_exp.S"
-            "${PROJECT_SRC}/i387/e_fmod.S"
-            "${PROJECT_SRC}/i387/e_log.S"
-            "${PROJECT_SRC}/i387/e_log10.S"
-            "${PROJECT_SRC}/i387/e_remainder.S"
-            "${PROJECT_SRC}/i387/e_sqrt.S"
-            "${PROJECT_SRC}/i387/s_ceil.S"
-            "${PROJECT_SRC}/i387/s_copysign.S"
-            "${PROJECT_SRC}/i387/s_floor.S"
-            "${PROJECT_SRC}/i387/s_llrint.S"
-            "${PROJECT_SRC}/i387/s_logb.S"
-            "${PROJECT_SRC}/i387/s_lrint.S"
-            "${PROJECT_SRC}/i387/s_remquo.S"
-            "${PROJECT_SRC}/i387/s_rint.S"
-            "${PROJECT_SRC}/i387/s_tan.S"
-            "${PROJECT_SRC}/i387/s_trunc.S"
-
-            # float counterparts
-            "${PROJECT_SRC}/i387/e_log10f.S"
-            "${PROJECT_SRC}/i387/e_logf.S"
-            "${PROJECT_SRC}/i387/e_remainderf.S"
-            "${PROJECT_SRC}/i387/e_sqrtf.S"
-            "${PROJECT_SRC}/i387/s_ceilf.S"
-            "${PROJECT_SRC}/i387/s_copysignf.S"
-            "${PROJECT_SRC}/i387/s_floorf.S"
-            "${PROJECT_SRC}/i387/s_llrintf.S"
-            "${PROJECT_SRC}/i387/s_logbf.S"
-            "${PROJECT_SRC}/i387/s_lrintf.S"
-            "${PROJECT_SRC}/i387/s_remquof.S"
-            "${PROJECT_SRC}/i387/s_rintf.S"
-            "${PROJECT_SRC}/i387/s_truncf.S"
-
-            # long double counterparts
-            "${PROJECT_SRC}/i387/e_remainderl.S"
-            "${PROJECT_SRC}/i387/e_sqrtl.S"
-            "${PROJECT_SRC}/i387/s_ceill.S"
-            "${PROJECT_SRC}/i387/s_copysignl.S"
-            "${PROJECT_SRC}/i387/s_floorl.S"
-            "${PROJECT_SRC}/i387/s_llrintl.S"
-            "${PROJECT_SRC}/i387/s_logbl.S"
-            "${PROJECT_SRC}/i387/s_lrintl.S"
-            "${PROJECT_SRC}/i387/s_remquol.S"
-            "${PROJECT_SRC}/i387/s_rintl.S"
-            "${PROJECT_SRC}/i387/s_truncl.S"
-    )
-
-    if(NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
-        list(APPEND OPENLIBM_ASM_SOURCE
-                "${PROJECT_SRC}/i387/s_scalbn.S"
-                "${PROJECT_SRC}/i387/s_scalbnf.S"
-                "${PROJECT_SRC}/i387/s_scalbnl.S"
-        )
-    endif()
-
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "powerpc")
-        list(APPEND OPENLIBM_C_SOURCE
-                "${PROJECT_SRC}/powerpc/fenv.c"
-        )
-elseif(${OPENLIBM_ARCH_FOLDER} STREQUAL "riscv64")
-        list(APPEND OPENLIBM_C_SOURCE
-                "${PROJECT_SRC}/riscv64/fenv.c")
-else()
-	message(FATAL_ERROR "${PROJECT_NAME} CMake build is not set up for ${OPENLIBM_ARCH_FOLDER}")
-endif()
-
-
-# Filter out C implementation from compilation list if a native implementation exists
-foreach(FILE_TO_REMOVE ${OPENLIBM_ASM_SOURCE})
-    # Get filename and strip out extension
-    cmake_path(GET FILE_TO_REMOVE FILENAME FILENAME_TO_REMOVE)
-    cmake_path(REMOVE_EXTENSION FILENAME_TO_REMOVE OUTPUT_VARIABLE FILENAME_TO_REMOVE)
-    message(DEBUG "Filename to remove: ${FILENAME_TO_REMOVE}")
-
-    # Go through files and remove one with the same name
-    foreach(CUR_FILE ${OPENLIBM_C_SOURCE})
-        cmake_path(GET CUR_FILE FILENAME CUR_FILENAME)
-        cmake_path(REMOVE_EXTENSION CUR_FILENAME OUTPUT_VARIABLE CUR_FILENAME)
-
-        if(${CUR_FILENAME} STREQUAL ${FILENAME_TO_REMOVE})
-            list(REMOVE_ITEM OPENLIBM_C_SOURCE ${CUR_FILE})
-            message(DEBUG "Removed source file from compilation list: ${CUR_FILE}")
-            break()
-        endif()
-    endforeach()
-endforeach()
-
-
-# Add sources
-target_sources("${PROJECT_NAME}" PRIVATE ${OPENLIBM_C_SOURCE}
-                                         ${OPENLIBM_ASM_SOURCE}
-)
-
-
-# Include directories
-list(APPEND OPENLIBM_INCLUDE_DIRS
-        "${PROJECT_SRC}"
-        "${PROJECT_SRC}/include"
-        "${PROJECT_SRC}/${OPENLIBM_ARCH_FOLDER}"
-        "${PROJECT_SRC}/src"
-)
-
-if(${OPENLIBM_ARCH_FOLDER} STREQUAL "i387" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "amd64" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "powerpc")
-    list(APPEND OPENLIBM_INCLUDE_DIRS "${PROJECT_SRC}/ld80")
-else()
-    if(${OPENLIBM_ARCH_FOLDER} STREQUAL "aarch64" OR ${OPENLIBM_ARCH_FOLDER} STREQUAL "riscv64")
-        list(APPEND OPENLIBM_INCLUDE_DIRS "${PROJECT_SRC}/ld128")
-    endif()
-endif()
-
-target_include_directories("${PROJECT_NAME}" PUBLIC ${OPENLIBM_INCLUDE_DIRS})
-
-file(GLOB PUBLIC_HEADERS "*.h" "include/*.h" "${OPENLIBM_ARCH_FOLDER}/*.h" "src/*.h")
-set_target_properties("${PROJECT_NAME}" PROPERTIES PUBLIC_HEADER "${PUBLIC_HEADERS}")
-install (TARGETS "${PROJECT_NAME}")
-
-# Can't use configure_file because openlibm.pc.in uses $var instead of CMake configure @var's
-# Would rather string replace variables here instead of editing .pc.in, because editing .pc.in
-# might build break autotools build.
-file(READ "${PROJECT_SRC}/openlibm.pc.in" PC_FILE)
-string(REPLACE "\${version}" "${CMAKE_PROJECT_VERSION}" PC_FILE ${PC_FILE})
-string(PREPEND PC_FILE "prefix=${CMAKE_INSTALL_PREFIX}
-includedir=\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}
-libdir=\${prefix}/${CMAKE_INSTALL_LIBDIR}\n
-")
-file(WRITE "${CMAKE_BINARY_DIR}/${PROJECT_NAME}.pc" ${PC_FILE})
-install(FILES "${CMAKE_BINARY_DIR}/${PROJECT_NAME}.pc"
-        DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")

openlibm/LICENSE.md

@@ -1,115 +0,0 @@
-## OpenLibm
-
-OpenLibm contains code that is covered by various licenses.
-
-The OpenLibm code derives from the FreeBSD msun and OpenBSD libm
-implementations, which in turn derives from FDLIBM 5.3. As a result, it
-has a number of fixes and updates that have accumulated over the years
-in msun, and also optimized assembly versions of many functions. These
-improvements are provided under the BSD and ISC licenses. The msun
-library also includes work placed under the public domain, which is
-noted in the individual files. Further work on making a standalone
-OpenLibm library from msun, as part of the Julia project is covered
-under the MIT license. The test files, test-double.c and test-float.c
-are under the LGPL.
-
-## Parts copyrighted by the Julia project (MIT License)
-
->       Copyright (c) 2011-14 The Julia Project.
->       https://github.com/JuliaMath/openlibm/graphs/contributors
->
->       Permission is hereby granted, free of charge, to any person obtaining
->       a copy of this software and associated documentation files (the
->       "Software"), to deal in the Software without restriction, including
->       without limitation the rights to use, copy, modify, merge, publish,
->       distribute, sublicense, and/or sell copies of the Software, and to
->       permit persons to whom the Software is furnished to do so, subject to
->       the following conditions:
->
->       The above copyright notice and this permission notice shall be
->       included in all copies or substantial portions of the Software.
->
->       THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
->       EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
->       MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
->       NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
->       LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
->       OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
->       WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-## Parts copyrighted by Stephen L. Moshier (ISC License)
-
-> Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
->
-> Permission to use, copy, modify, and distribute this software for any
-> purpose with or without fee is hereby granted, provided that the above
-> copyright notice and this permission notice appear in all copies.
->
-> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-> ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-## FREEBSD MSUN (FreeBSD/2-clause BSD/Simplified BSD License)
-
->       Copyright 1992-2011 The FreeBSD Project. All rights reserved.
->
->       Redistribution and use in source and binary forms, with or without
->       modification, are permitted provided that the following conditions are
->       met:
->
->       1. Redistributions of source code must retain the above copyright
->       notice, this list of conditions and the following disclaimer.
->
->       2. Redistributions in binary form must reproduce the above copyright
->       notice, this list of conditions and the following disclaimer in the
->       documentation and/or other materials provided with the distribution.
->       THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT ``AS IS'' AND ANY
->       EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
->       IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
->       PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT OR
->       CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
->       EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
->       PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
->       PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
->       LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
->       NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
->       SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
->
->       The views and conclusions contained in the software and documentation
->       are those of the authors and should not be interpreted as representing
->       official policies, either expressed or implied, of the FreeBSD
->       Project.
-
-## FDLIBM
-
->      Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
->
->      Developed at SunPro, a Sun Microsystems, Inc. business.
->      Permission to use, copy, modify, and distribute this
->      software is freely granted, provided that this notice
->      is preserved.
-
-## Tests
-
->   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
->   This file is part of the GNU C Library.
->   Contributed by Andreas Jaeger <aj@suse.de>, 1997.
->
->   The GNU C Library is free software; you can redistribute it and/or
->   modify it under the terms of the GNU Lesser General Public
->   License as published by the Free Software Foundation; either
->   version 2.1 of the License, or (at your option) any later version.
->
->   The GNU C Library is distributed in the hope that it will be useful,
->   but WITHOUT ANY WARRANTY; without even the implied warranty of
->   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
->   Lesser General Public License for more details.
->
->   You should have received a copy of the GNU Lesser General Public
->   License along with the GNU C Library; if not, write to the Free
->   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
->   02111-1307 USA.