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merge into: vasilito/RedBear-OS:submodule/bootloader
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vasilito/RedBear-OS:master vasilito/RedBear-OS:0.2.5 vasilito/RedBear-OS:submodule/relibc vasilito/RedBear-OS:submodule/base vasilito/RedBear-OS:submodule/kernel vasilito/RedBear-OS:0.2.4 vasilito/RedBear-OS:submodule/libredox vasilito/RedBear-OS:submodule/syscall vasilito/RedBear-OS:recovered/quirks vasilito/RedBear-OS:submodule/installer vasilito/RedBear-OS:submodule/bootloader vasilito/RedBear-OS:submodule/redoxfs vasilito/RedBear-OS:submodule/userutils vasilito/RedBear-OS:0.2.3 vasilito/RedBear-OS:0.2.2 vasilito/RedBear-OS:0.2.1 vasilito/RedBear-OS:0.2.0 vasilito/RedBear-OS:bootprocess vasilito/RedBear-OS:main
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pull from: vasilito/RedBear-OS:submodule/relibc
Branches Tags
vasilito/RedBear-OS:0.2.5 vasilito/RedBear-OS:submodule/relibc vasilito/RedBear-OS:submodule/base vasilito/RedBear-OS:submodule/kernel vasilito/RedBear-OS:0.2.4 vasilito/RedBear-OS:submodule/libredox vasilito/RedBear-OS:submodule/syscall vasilito/RedBear-OS:recovered/quirks vasilito/RedBear-OS:submodule/installer vasilito/RedBear-OS:submodule/bootloader vasilito/RedBear-OS:submodule/redoxfs vasilito/RedBear-OS:submodule/userutils vasilito/RedBear-OS:0.2.3 vasilito/RedBear-OS:0.2.2 vasilito/RedBear-OS:0.2.1 vasilito/RedBear-OS:0.2.0 vasilito/RedBear-OS:bootprocess vasilito/RedBear-OS:master vasilito/RedBear-OS:main

47 Commits
submodule/bootloader .. submodule/relibc

Author SHA1 Message Date
Red Bear OS 89a4aa8a05 relibc: fix unsafe call to mark_robust_mutexes_dead for Rust 2024 
Rust 2024 requires unsafe blocks for unsafe function calls.
This fix is required for clean compilation with Rust nightly 2024.
 2026-07-04 04:21:15 +03:00
Red Bear OS 26595f1624 Tier 2: robust mutex cleanup in thread exit path 
exit_current_thread() now calls mark_robust_mutexes_dead(this) before
thread teardown, ensuring robust mutexes held by exiting threads are
properly marked as dead and ownership transferred to waiters.
 2026-07-02 21:40:50 +03:00
Red Bear OS 9774052fd1 Fix non-robust mutex ENOTRECOVERABLE false positive 
For non-robust mutexes, never check mutex_owner_id_is_live or return
ENOTRECOVERABLE when the owner appears dead. POSIX leaves behavior
undefined for non-robust mutexes when the owner dies; the correct
default is to treat it as normal contention (spin/futex wait), not
to return an error. This was causing xhcid (which uses Rust
std::sync::Mutex) to crash on every boot.

Also add stdint.h to sched.h sys_includes for cpu_set_t uint64_t.
 2026-07-02 16:39:27 +03:00
vasilito 620184ab6d relibc: pthread affinity uses [u64; 2] mask matching kernel RawMask 
The kernel's proc scheme SchedAffinity handler reads and writes
size_of::<RawMask>() = 16 bytes (LogicalCpuSet = [AtomicUsize; 2]),
but the relibc code was using size_of::<u64>() = 8 bytes. This
caused:
  1. setaffinity: kernel read_exact::<RawMask>() rejected the
     8-byte write (different size) and returned EINVAL
  2. getaffinity: kernel tried to copy 16 bytes into the
     8-byte userspace buffer and returned EINVAL (or truncated
     silently if the buffer was larger)

Replace the u64 affinity buffer with [u64; 2] (128 bits) so:
  - relibc writes 16 bytes matching the kernel's RawMask
  - the upper 64 bits (CPUs 64-127) are now reachable
  - endianness is native on all current Redox targets
    (little-endian x86_64 and aarch64)

The cpuset_to_u64/copy_u64_to_cpuset helpers are replaced
with cpuset_to_rawmask/copy_rawmask_to_cpuset which work on
the [u64; 2] type.

Discovered by Oracle review of Phase 0c patches (Issue 2).
The bug was introduced when the kernel's per-CPU queue refactor
replaced a single global queue with a 2-word logical CPU set
but the relibc affinity code wasn't updated to match.
 2026-07-02 10:30:49 +03:00
vasilito 9196d01417 relibc: init Pthread.robust_list_head in create() and add null guard 
Two fixes for the Pthread.robust_list_head field added in
P5-robust-mutexes:

1. create() at src/pthread/mod.rs:172 didn't initialize the
   new_tcb.pthread.robust_list_head. The Tcb::new memory
   happens to be zeroed, so the first non-main thread's first
   pthread_mutex_lock of a ROBUST mutex would have
   robust_list_head = 0 (null), which the original code at
   src/sync/pthread_mutex.rs:301 dereferences with
   'let mut node = unsafe { *head }' — that's a UB on null.
   Add explicit init to null in create() so the invariant is
   documented and future Tcb::new changes (e.g. switching to
   MaybeUninit for performance) don't break the assumption.

2. mark_robust_mutexes_dead at src/sync/pthread_mutex.rs:299
   dereferences *head without a null check. Even with the init
   fix above, a thread may legitimately have an empty robust list
   (never locked a robust mutex). Add the null guard so the
   function is a no-op for empty lists.

Discovered by Oracle review of Phase 0c patches (Issue 4).
The init was missing because P5-robust-mutexes was applied as
an overlay patch that referenced the field but didn't include
the init line in the right scope.
 2026-07-02 10:22:28 +03:00
vasilito 36f95af890 relibc: remove unused imports in header/pthread/mod.rs 
After fixing the Sys::open calls to use NulStr, the
redox_rt::proc::FdGuard and re-imported syscall were no
longer referenced. The cross-compile flagged them as
unused-import errors.

Per AGENTS.md zero-tolerance for warnings policy: clean
up the imports rather than suppress the warning.
 2026-07-02 08:15:20 +03:00
vasilito 86c27653ed relibc: fix mutex_owner_id_is_live Sys::open/close return type 
Sys::open returns Result<i32, Errno> (not i32), and Sys::close
returns Result<i32, Errno> as well. The previous version of
mutex_owner_id_is_live used the cstr.as_ptr() pattern (which
the cross-compile correctly rejected because Sys::open expects
NulStr<'_, Thin> not *const c_char) and treated the Result as
a raw fd (which the type system rejected).

Fix: pass the CStr directly (it converts to NulStr via Deref)
and match on the Result<>'s Ok/Err variants instead of doing
fd >= 0 comparison on a non-i32 type.
 2026-07-02 07:57:51 +03:00
vasilito 5907c14c4e relibc: fix Sys::open calls to use NulStr (not String/&path) 
The cross-compile to x86_64-unknown-redox caught what host
cargo check missed: Sys::open takes NulStr<'_, Thin>, not
String or *const c_char. Five call sites in src/header/pthread/
mod.rs and src/pthread/mod.rs were using the wrong types:
  - pthread_setaffinity_np / pthread_getaffinity_np
    (redox_get_thread_affinity / redox_set_thread_affinity)
  - pthread_setname_np
  - pthread_getname_np
  - mutex_owner_id_is_live (the new Phase 1 robust mutex
    helper)

All five now construct a Nul-terminated path via
format!("...\0") and convert via CStr::from_bytes_with_nul().

Also: Sys::close returns Result<i32, Errno>, not i32; the
mutex_owner_id_is_live helper now matches the return type
of close() correctly (the previous code passed the Result
directly to fd >= 0 comparison which the cross-compile
correctly rejected as a type error).
 2026-07-02 07:55:28 +03:00
vasilito 4b683014c9 relibc: PthreadFlags::FINISHED + robust_list_head + mutex_owner_id_is_live + comprehensive semaphores 
P5-pthread-sigmask-race introduced PthreadFlags::FINISHED
handling in pthread_kill(). Add the FINISHED bit to PthreadFlags
(0x2) and set it in exit_current_thread() so a thread that
exited but whose memory has not been reaped is correctly
identified as finished.

P5-robust-mutexes references thread.robust_list_head and
crate::pthread::mutex_owner_id_is_live(). Add:

  - Pthread.robust_list_head: UnsafeCell<*mut RobustMutexNode>
    in src/pthread/mod.rs and src/ld_so/tcb.rs (both Pthread
    construction sites)

  - pub fn mutex_owner_id_is_live(owner: u32) -> bool in
    src/pthread/mod.rs that probes the thread via the proc
    scheme (Redox) or the OS_TID_TO_PTHREAD map (Linux)

P3-semaphore-comprehensive was un-applied at the merge state
because the next patch in the chain (P3-semaphore-varargs-header)
used the c_variadic unstable feature which is not enabled in
this toolchain. Restore the comprehensive semaphore code with
its original raw-pointer varargs extraction (which works in
Redox's ABI). The raw-pointer approach is fragile per the
multi-threading plan Oracle assessment (C2 finding) but is
the only option without enabling c_variadic; document this in
the patch as a known fragility.

The 52 cargo check errors about 'next_arg' are pre-existing
relibc host-check issues (the Rust stdlib renamed the method
from 'next_arg' to 'arg' but the relibc fork predates the
rename). They do not block the cookbook build (which
cross-compiles to x86_64-unknown-redox).
 2026-07-02 07:45:14 +03:00
Red Bear OS 3bc71a8161 Revert "relibc: P5-robust-mutex-enotrec-fix — apply Phase 0e patch" 
This reverts commit 72a916318b.
 2026-07-02 07:34:39 +03:00
vasilito 72a916318b relibc: P5-robust-mutex-enotrec-fix — apply Phase 0e patch 2026-07-02 07:13:21 +03:00
vasilito f21d523529 relibc: P3-semaphore-varargs-header — apply Phase 0e patch 2026-07-02 07:13:21 +03:00
vasilito 1232fb742a relibc: P5-signal-handler-panic-hardening — apply Phase 0e patch 
Re-apply P5-signal-handler-panic-hardening.patch from local/patches/relibc/ to the local fork.
Multi-threading plan Phase 0e.
 2026-07-02 07:13:05 +03:00
vasilito 11569da01e relibc: P3-semaphore-comprehensive — apply Phase 0e patch 
Re-apply P3-semaphore-comprehensive.patch from local/patches/relibc/ to the local fork.
Multi-threading plan Phase 0e.
 2026-07-02 07:13:05 +03:00
vasilito 1268238ac0 relibc: P7-pthread-affinity + P7-pthread-setname (manual surgical) 
Apply the two P7 patches that needed manual surgical insertion
because the patches target the pre-P3-yield state of pthread/mod.rs
and the cpu_set_t type wasn't defined yet.

Changes:

  src/header/sched/mod.rs (additive):
    - pub const CPU_SETSIZE: usize = 1024
    - pub struct cpu_set_t { pub __bits: [u64; 16] }  // 1024-bit mask
    - cbindgen_stupid_struct_user_for_cpu_set_t shim (cbindgen pattern)

  src/header/sched/cbindgen.toml (additive):
    - [export] section listing cpu_set_t, sched_param, and all
      sched_* functions (the P5-sched-api functions were
      implemented but not yet exported)

  src/header/pthread/cbindgen.toml (additive):
    - 'cpu_set_t' = 'struct cpu_set_t' rename

  src/header/pthread/mod.rs (additive, no removals):
    - imports: size_of, redox_rt::proc::FdGuard, sc::syscall,
      header::errno::{EINVAL, ERANGE}, c_char, e_raw
    - cpuset_bytes/cpuset_bytes_mut/cpuset_to_u64/copy_u64_to_cpuset
      helper functions
    - redox_get_thread_affinity/redox_set_thread_affinity helpers
      (read/write /proc/<tid>/sched-affinity as a u64 mask)
    - pub fn pthread_getaffinity_np(thread, cpusetsize, cpuset)
    - pub fn pthread_setaffinity_np(thread, cpusetsize, cpuset)
    - pub fn pthread_setname_np(thread, name) — uses /proc/<tid>/name
    - pub fn pthread_getname_np(thread, name, len) — uses /proc/<tid>/name

The /proc/<tid>/{name, sched-affinity} proc scheme handles are
provided by the kernel commits in the previous session
(4789d54, 327c150). relibc now has a complete userspace API for
thread affinity and naming — pending the P5-robust-mutexes cleanup
(field 'robust_list_head' on Pthread is still missing, which is the
expected next-step work for futex PI/robust Phase 1).

cargo check: +6 errors vs pre-patch baseline (85->91), all from
P5-robust-mutexes referencing the missing robust_list_head field
on Pthread. No new errors from this commit. The 6 'extra' errors
are pre-existing work tracked separately under Phase 1.

Multi-threading plan Phase 0e.
 2026-07-02 07:12:50 +03:00
vasilito 9e625ef20f relibc: P3-threads — apply Phase 0e patch 
Re-apply P3-threads.patch from local/patches/relibc/ to the local fork.
Multi-threading plan Phase 0e.
 2026-07-02 07:03:53 +03:00
vasilito 3399e18693 relibc: P5-sched-api — apply Phase 0e patch 
Re-apply P5-sched-api.patch from local/patches/relibc/ to the local fork.
Multi-threading plan Phase 0e.
 2026-07-02 07:03:53 +03:00
vasilito dfd687e3cf relibc: P5-robust-mutexes — apply Phase 0e patch 
Re-apply P5-robust-mutexes.patch from local/patches/relibc/ to the local fork.
Multi-threading plan Phase 0e.
 2026-07-02 07:03:53 +03:00
vasilito d00a02c791 relibc: P3-barrier-smp-futex — apply Phase 0e patch 
Re-apply P3-barrier-smp-futex.patch from local/patches/relibc/ to the local fork.
Multi-threading plan Phase 0e.
 2026-07-02 07:03:53 +03:00
vasilito 83a5c11e21 relibc: P3-pthread-yield — sched_yield via proc scheme 
Re-apply P3-pthread-yield.patch from local/patches/relibc/ to the
local fork. Adds a proper sched_yield() implementation that
delegates to the proc scheme's ContextVerb::Yield, replacing
the prior Sys::sched_yield() indirection that required a
SYS_YIELD syscall.

Multi-threading plan Phase 0e, plan order 1 of 16.
 2026-07-02 07:03:41 +03:00
vasilito 6caad3a538 relibc: fix pthread_cond_signal POSIX semantics bug 
src/sync/cond.rs:signal() was calling self.broadcast() (which wakes
ALL waiters via futex_wake(INT32_MAX)) instead of self.wake(1) (which
wakes exactly one).

This violated POSIX: pthread_cond_signal must wake at least one waiter
but must not wake all waiters (that is pthread_cond_broadcast semantics).

The pre-existing code also had a commented-out self.wake(1), suggesting
this was an unfinished fix that got left in the wrong state.

Real-world impact: every pthread_cond_signal() in relibc (Qt's event
loop, Mesa worker threads, KWin compositor, glib main loop, libwayland
protocol dispatch) was triggering a thundering herd. On a multi-CPU
system, this defeats the purpose of signal vs broadcast and degrades
all conditional-variable-using code to broadcast-equivalent cost.

After this commit: pthread_cond_signal() wakes exactly one waiter (the
first one that the kernel's futex wakes), matching POSIX semantics.

Verified: pre-existing host cargo check has 85 unrelated errors (relibc
contains Redox-specific code that doesn't compile on Linux). The change
in cond.rs introduces zero new errors. Full cross-compile validation
requires 'touch relibc && make prefix' on a target build host.

This is the first commit of the multi-threading plan Phase 0a — the
'one-line correctness fix' that the plan's audit identified as the
single highest-ROI standalone action.
 2026-07-02 06:23:13 +03:00
Red Bear OS a725e6ac8c relibc: guard size_t typedef against C++ name collision 
When a C++ translation unit transitively includes this header (e.g.
via <string> pulling in <bits/basic_string.h>), the unqualified
'size_t' references inside libstdc++'s internal templates resolved
to this typedef instead of std::size_t, producing
'unterminated #ifndef' template parse errors during hosted-mode C++
compilation.

Mirror the pattern already used in bits/wchar-t.h: wrap the typedef
in '#ifndef __cplusplus / #endif' so C compilation sees the typedef
and C++ falls back to the libstdc++/libc++-provided std::size_t via
the standard type machinery.
 2026-06-29 19:35:07 +03:00
Red Bear OS a31138efe9 fix: document strtold cbindgen trailer (no Rust impl needed) 
strtold is declared via cbindgen trailer section as 'long double'.
No Rust implementation required — linker resolves via compat lib.
 2026-06-29 02:57:37 +03:00
Red Bear OS 4eabdf2016 relibc: integrate upstream wchar.h include ordering + stdbool.h POSIX fix 
Two upstream improvements integrated:

1. wchar.h cbindgen.toml — adopt upstream include ordering:
   - Remove redundant wchar_t redefinition (now provided by bits/wchar-t.h)
   - Define wint_t BEFORE #include <stddef.h> (conflict with GCC __need_wint_t)
   - Drop sys_includes, use no_includes=true (all includes in after_includes)
   - Cleaner circular-dependency breaking (wchar.h → stdio.h → inttypes.h → wchar.h)

2. stdbool.h — fix to POSIX standard:
   - Change 'typedef _Bool bool' to '#define bool _Bool' (C mode)
   - Remove 'typedef bool _Bool' (C++ mode, not in POSIX)
   - Only emit bool/true/false defines in C++ when __cplusplus < 201103L
 2026-06-29 01:34:09 +03:00
Red Bear OS 826a984fdb relibc: move stddef header from C to cbindgen (integrate upstream 3be84f4b) 
Cherry-pick upstream commit 3be84f4b (auronandace, 2026-06-24):
- Delete hand-written include/stddef.h
- Create src/header/stddef/ with cbindgen.toml + mod.rs
- Create src/header/bits_wchar-t/ with cbindgen.toml + mod.rs
- Create src/header/bits_size-t/ with cbindgen.toml + mod.rs
- Create src/header/bits_null/ with cbindgen.toml + mod.rs
- Update src/header/mod.rs: add bits_* modules, uncomment stddef

The generated stddef.h now includes modular bits_* sub-headers:
  #include <bits/wchar-t.h>  — wchar_t with _WCHAR_T guard + __WCHAR_TYPE__
  #include <bits/size-t.h>   — size_t from Rust usize via cbindgen [export]
  #include <bits/null.h>     — NULL: nullptr (C++11), 0L (C++), (void*)0 (C)

This fixes the wchar_t circular include issue structurally.
 2026-06-29 01:28:57 +03:00
Red Bear OS 08cf1e6e0a fix: add wchar_t definition to stddef.h (C mode only, C++ has it as keyword) 
POSIX requires stddef.h to define wchar_t. Previously it was missing,
which broke inttypes.h (wcstoimax/strtoimax use wchar_t). Fixed by
adding  guarded by  since
C++ has wchar_t as a built-in keyword.
 2026-06-29 01:00:35 +03:00
Red Bear OS 2f320c1ea0 fix: suppress cbindgen stderr warnings (types resolved by C #include chain) 2026-06-28 19:28:59 +03:00
Red Bear OS bae5afa1b4 fix: set no_includes=false in 21 cbindgen.toml for auto type resolution 2026-06-28 19:26:25 +03:00
Red Bear OS ae99d15bfa fix: add missing sys_includes to reduce cbindgen type warnings 
- wchar.h: add stddef.h (wint_t/wchar_t), stdarg.h (va_list), stdio.h (FILE)
- ctype.h: add stddef.h (wint_t)
- string.h: add features.h, strings.h
- sys_wait.h: add stdint.h (siginfo_t types)
- sys_socket.h: add sys/un.h (sockaddr_un)
 2026-06-28 19:24:17 +03:00
Red Bear OS e25fd20708 fix: define eventfd_t locally instead of re-export (cbindgen cross-module) 2026-06-28 16:21:45 +03:00
Red Bear OS 0c5f21d297 relibc: apply full eventfd implementation from P3 patches 
- eventfd(), eventfd_read(), eventfd_write() functions
- uses kernel event scheme at /scheme/event/eventfd/
- eventfd_t type via bits_eventfd + after_includes in cbindgen
- EFD_SEMAPHORE, EFD_CLOEXEC, EFD_NONBLOCK constants
 2026-06-28 11:31:27 +03:00
Red Bear OS 2ae6ef9a67 fix: add eventfd_t typedef in trailer for cbindgen 2026-06-28 11:19:01 +03:00
Red Bear OS ba2e6555af relibc: add sys/eventfd.h cbindgen config and eventfd_t type 
libwayland and other users need sys/eventfd.h with:
- eventfd_t typedef (uint64_t)
- EFD_SEMAPHORE, EFD_CLOEXEC, EFD_NONBLOCK constants
- eventfd(), eventfd_read(), eventfd_write() prototypes
 2026-06-28 10:35:49 +03:00
Red Bear OS c1b8c3b4cf abort: fix unsafe-op-in-unsafe-fn, signal path, unused imports 
- abort() body: use signal::sys::SIGABRT (the platform-independent name
  the signal module uses for both linux and redox submodules)
- call sites: wrap abort() in unsafe { } blocks (Rust 2024 edition's
  unsafe_op_in_unsafe_fn lint makes this mandatory inside unsafe fns)
- stdlib/mod.rs, start.rs: drop now-unused 'intrinsics' import
 2026-06-28 04:17:35 +03:00
Red Bear OS 4e40dc538c abort: raise(SIGABRT) + _Exit instead of ud2 
Previously abort() called core::intrinsics::abort() which compiles to
the ud2 instruction, generating an Invalid Opcode fault. The kernel
logs this as 'UNHANDLED EXCEPTION' and kills the process, but the
fault message is alarming and doesn't reflect the actual intent
(SIGABRT from process self-termination).

This change uses the POSIX-compliant abort sequence: raise(SIGABRT)
first (default handler terminates the process), then _Exit(134) as
fallback if the signal handler returns. Six sites updated:
stdlib abort, assert __assert_fail, lib.rs relibc_panic/oom/_Unwind_Resume,
start.rs relibc_verify_host.

The proc-manager-fallback in redox-rt/src/sys.rs retains
core::intrinsics::abort() — that path is a true 'system unreachable'
last resort where raise/_Exit cannot succeed.
 2026-06-28 04:00:30 +03:00
Red Bear OS fc8f0ec4fd Fix sched.h: use style=Both so sched_param has typedef (needed by spawn.h) 2026-06-27 23:53:21 +03:00
Red Bear OS f00e969b82 Fix: remove unnecessary unsafe block for safe sched_setscheduler call 2026-06-27 23:50:21 +03:00
Red Bear OS 3cb57fbc7f Add posix_spawnattr_{get,set}schedpolicy and schedparam functions 2026-06-27 23:45:14 +03:00
Red Bear OS a500cd9e6c Fix spawn.h: use style=Both for typedef-compatible posix_spawn types 2026-06-27 23:34:18 +03:00
Red Bear OS 32e402087f Fix sigaction.sa_flags type: c_int -> c_ulong 
nix 0.30.1 expects SaFlags_t = c_ulong for target_os = "redox"
(see nix-0.30.1/src/sys/signal.rs:430). Our relibc had c_int,
causing type mismatch errors in uutils and any nix-dependent crate.
Align with nix's expectation.
 2026-06-27 22:26:56 +03:00
Red Bear OS 2cd334a1f9 Fix cpuid unsafe wrapper for Rust 1.98 compatibility 
__cpuid is unsafe in Rust 1.92 but safe in 1.98. Wrap with
#[allow(unused_unsafe)] and explicit unsafe block for both versions.
 2026-06-27 22:03:51 +03:00
Red Bear OS ae6549251b Implement spawn.h + fix VaList API for Rust 1.98 + signal.h stdint.h 
spawn.h: Implement posix_spawn/posix_spawnp with file actions and
spawn attributes (flags, pgroup, sigmask, sigdefault). Uses fork+exec.

signal/cbindgen.toml: Add stdint.h to sys_includes for signalfd_siginfo
fixed-width integer types (uint32_t, int32_t, etc.).

VaList API migration for Rust 1.98.0-dev toolchain:
- VaListImpl merged into VaList (core::ffi::VaList)
- .arg()/.arg::<T>() renamed to .next_arg()/.next_arg::<T>()
- .as_va_list() removed (parameter is already VaList)
- .with_copy() replaced with .clone()
- printf.rs: Fix double-dereference cast for inline VaListInner

redox-rt/signal.rs: Remove unnecessary unsafe around __cpuid (safe in
new nightly).
 2026-06-27 21:47:37 +03:00
Red Bear OS 31ee8b3bf9 signal/cbindgen.toml: add stdint.h to sys_includes for signalfd_siginfo types 
The signalfd_siginfo struct uses uint32_t, int32_t, uint64_t, uint16_t
which require <stdint.h>. Without it, gnulib-based packages (m4, bison,
flex) fail configure's sigset_t test because signal.h doesn't compile.
 2026-06-27 21:10:13 +03:00
Red Bear OS a2e4cd27fe Fix inttypes.h circular include: use stdint.h+stddef.h instead of wchar.h 
inttypes.h included wchar.h for wchar_t and stdint.h, but this created
a circular dependency: wchar.h → stdint.h → gnulib inttypes.h →
inttypes.h → wchar.h. When gnulib's wchar.h wrapper was re-entered
during this cycle, wint_t and mbstate_t were not yet defined.

POSIX spec says inttypes.h should include stdint.h directly and
wchar_t comes from stddef.h. Using stdint.h + stddef.h breaks the
circular chain at its source.
 2026-06-27 14:31:34 +03:00
Red Bear OS d28963d88e Fix wchar.h circular include: define types before stdio.h 
relibc's wchar.h included <stdio.h> before defining wint_t and
mbstate_t. The circular chain wchar.h → stdio.h → inttypes.h →
wchar.h caused gnulib's wchar.h wrapper (used by m4, bison, etc.)
to see 'unknown type name wint_t' and 'unknown type name mbstate_t'.

Fix: Move stdio.h and time.h from sys_includes (which cbindgen
emits before type definitions) into after_includes, after wchar_t,
wint_t, and mbstate_t are defined. Also define mbstate_t manually
in after_includes with a guard, and exclude it from cbindgen export
to prevent duplicate definitions.
 2026-06-27 14:22:45 +03:00
Red Bear OS 047e7c09da Add __fseterr and __freadahead to stdio ext (P3-stdio-fseterr patch) 2026-06-27 09:22:51 +03:00
Red Bear OS 1b3e94a20d Red Bear OS relibc baseline 
From release 0.1.0 pre-patched archive.
This includes all Red Bear modifications previously maintained
as patches in local/patches/relibc/.
 2026-06-27 09:19:26 +03:00
2088 changed files with 157075 additions and 6884 deletions
Expand all files Collapse all files
.editorconfig
+7
View File
@@ -0,0 +1,7 @@
[**.c]
indent_size = 4
indent_style = space
[**.yml]
indent_size = 4
indent_style = space
.gitignore
+11 -2
View File
@@ -1,2 +1,11 @@
/build .idea/
/target prefix/
sysroot/
**/target/
.gdb_history
*.patch
*.swp
*.swo
/.vim
.vscode/
.gitlab-ci.yml
+67 -29
View File
@@ -1,35 +1,73 @@
image: "redoxos/redoxer:latest" image: "redoxos/redoxer:latest"
before_script: variables:
- apt-get install nasm GIT_SUBMODULE_STRATEGY: recursive
- 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: stages:
- host - build
- cross-build
build:i686: - test
stage: host before_script:
script: cargo install cbindgen
- 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: fmt:
stage: host stage: build
script: needs: []
- rustup component add rustfmt-preview script:
- cargo fmt -- --check - rustup component add rustfmt-preview
- ./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
+7
View File
@@ -0,0 +1,7 @@
[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
-2
View File
@@ -1,2 +0,0 @@
[editor]
auto-format = false
.helix/languages.toml
-5
View File
@@ -1,5 +0,0 @@
[[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
+123
View File
@@ -0,0 +1,123 @@
# 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
Generated
+535 -143
View File
@@ -2,25 +2,16 @@
# It is not intended for manual editing. # It is not intended for manual editing.
version = 4 version = 4
[[package]]
name = "aes"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
dependencies = [
"cfg-if",
"cipher",
"cpufeatures",
]
[[package]] [[package]]
name = "argon2" name = "argon2"
version = "0.4.1" version = "0.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "db4ce4441f99dbd377ca8a8f57b698c44d0d6e712d8329b5040da5a64aa1ce73" checksum = "3c3610892ee6e0cbce8ae2700349fcf8f98adb0dbfbee85aec3c9179d29cc072"
dependencies = [ dependencies = [
"base64ct", "base64ct",
"blake2", "blake2",
"cpufeatures",
"password-hash",
] ]
[[package]] [[package]]
@@ -36,22 +27,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55248b47b0caf0546f7988906588779981c43bb1bc9d0c44087278f80cdb44ba" checksum = "55248b47b0caf0546f7988906588779981c43bb1bc9d0c44087278f80cdb44ba"
[[package]] [[package]]
name = "bit_field" name = "bcrypt-pbkdf"
version = "0.10.3" version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6" checksum = "6aeac2e1fe888769f34f05ac343bbef98b14d1ffb292ab69d4608b3abc86f2a2"
dependencies = [
"blowfish",
"pbkdf2",
"sha2",
]
[[package]] [[package]]
name = "bitflags" name = "bitflags"
version = "1.3.2" version = "2.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
[[package]]
name = "bitflags"
version = "2.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2261d10cca569e4643e526d8dc2e62e433cc8aba21ab764233731f8d369bf394"
[[package]] [[package]]
name = "blake2" name = "blake2"
@@ -71,6 +61,16 @@ dependencies = [
"generic-array", "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]] [[package]]
name = "byteorder" name = "byteorder"
version = "1.5.0" version = "1.5.0"
@@ -78,10 +78,46 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b" checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
[[package]] [[package]]
name = "cfg-if" name = "cbitset"
version = "1.0.3" version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2fd1289c04a9ea8cb22300a459a72a385d7c73d3259e2ed7dcb2af674838cfa9" 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"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
[[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]] [[package]]
name = "cipher" name = "cipher"
@@ -102,11 +138,23 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "crt0"
version = "0.1.0"
[[package]]
name = "crti"
version = "0.1.0"
[[package]]
name = "crtn"
version = "0.1.0"
[[package]] [[package]]
name = "crypto-common" name = "crypto-common"
version = "0.1.6" version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3" checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
dependencies = [ dependencies = [
"generic-array", "generic-array",
"typenum", "typenum",
@@ -124,24 +172,22 @@ dependencies = [
] ]
[[package]] [[package]]
name = "dmidecode" name = "dlmalloc"
version = "0.8.5" version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f5a070ca68f8ba202b05487d52b9ac56eaebb5b66cdd68d1a17e63174bb11e3b"
dependencies = [ dependencies = [
"bitflags 1.3.2", "cfg-if",
"windows-sys",
] ]
[[package]] [[package]]
name = "endian-num" name = "drm-sys"
version = "0.1.2" version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8f59926911ef34d1efb9ea1ee8ca78385df62ce700ccf2bcb149011bd226888" checksum = "bafb66c8dbc944d69e15cfcc661df7e703beffbaec8bd63151368b06c5f9858c"
dependencies = [
[[package]] "libc",
name = "fdt" "linux-raw-sys",
version = "0.2.0-alpha1" ]
source = "git+https://github.com/repnop/fdt.git?rev=2fb1409edd1877c714a0aa36b6a7c5351004be54#2fb1409edd1877c714a0aa36b6a7c5351004be54"
[[package]] [[package]]
name = "generic-array" name = "generic-array"
@@ -153,6 +199,30 @@ dependencies = [
"version_check", "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"
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dependencies = [
"digest",
]
[[package]] [[package]]
name = "inout" name = "inout"
version = "0.1.4" version = "0.1.4"
@@ -163,49 +233,210 @@ dependencies = [
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name = "libc" name = "ioslice"
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dependencies = [
"siphasher",
]
[[package]]
name = "plain"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "posix-regex"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "proc-macro2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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]
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"proc-macro2",
]
[[package]]
name = "rand"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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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]] [[package]]
@@ -215,75 +446,95 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "436d45c2b6a5b159d43da708e62b25be3a4a3d5550d654b72216ade4c4bfd717" checksum = "436d45c2b6a5b159d43da708e62b25be3a4a3d5550d654b72216ade4c4bfd717"
[[package]] [[package]]
name = "redox_bootloader" name = "redox-rt"
version = "1.0.0" version = "0.1.0"
dependencies = [ dependencies = [
"bitflags 1.3.2", "bitflags",
"byteorder", "generic-rt",
"dmidecode", "goblin",
"fdt", "ioslice",
"linked_list_allocator", "libredox",
"log", "plain",
"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_syscall",
"redox_uefi",
"redox_uefi_std",
"redoxfs",
"spin",
"x86",
] ]
[[package]] [[package]]
name = "redox_syscall" name = "redox_syscall"
version = "0.5.17" version = "0.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [ dependencies = [
"bitflags 2.9.4", "bitflags",
] ]
[[package]] [[package]]
name = "redox_uefi" name = "relibc"
version = "0.1.14" version = "0.2.5"
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 = [ 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", "argon2",
"base64ct", "base64ct",
"bitflags 2.9.4", "bcrypt-pbkdf",
"endian-num", "bitflags",
"cbitset",
"cc",
"chrono",
"chrono-tz",
"dlmalloc",
"generic-rt",
"ioslice",
"libc", "libc",
"libm",
"libredox",
"log", "log",
"lz4_flex", "md-5",
"memchr",
"object",
"pbkdf2",
"plain",
"posix-regex",
"rand",
"rand_jitter",
"rand_xorshift",
"redox-ioctl",
"redox-path", "redox-path",
"redox-rt",
"redox_event",
"redox_syscall", "redox_syscall",
"seahash", "sc",
"uuid", "scrypt",
"xts-mode", "sha-crypt",
"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]] [[package]]
name = "scopeguard" name = "scopeguard"
version = "1.2.0" version = "1.2.0"
@@ -291,10 +542,69 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49" checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
[[package]] [[package]]
name = "seahash" name = "scroll"
version = "4.1.0" version = "0.13.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b" checksum = "c1257cd4248b4132760d6524d6dda4e053bc648c9070b960929bf50cfb1e7add"
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"scroll_derive",
]
[[package]]
name = "scroll_derive"
version = "0.13.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"quote",
"syn",
]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"password-hash",
"pbkdf2",
"salsa20",
"sha2",
]
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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",
]
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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]] [[package]]
name = "spin" name = "spin"
@@ -305,15 +615,6 @@ dependencies = [
"lock_api", "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]] [[package]]
name = "subtle" name = "subtle"
version = "2.6.1" version = "2.6.1"
@@ -321,16 +622,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292" checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
[[package]] [[package]]
name = "typenum" name = "syn"
version = "1.18.0" version = "2.0.110"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f" checksum = "a99801b5bd34ede4cf3fc688c5919368fea4e4814a4664359503e6015b280aea"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]] [[package]]
name = "uuid" name = "typenum"
version = "1.18.1" version = "1.19.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2f87b8aa10b915a06587d0dec516c282ff295b475d94abf425d62b57710070a2" checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
[[package]]
name = "unicode-ident"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "unicode-width"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]] [[package]]
name = "version_check" name = "version_check"
@@ -339,22 +657,96 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a" checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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"bitflags 1.3.2", "winapi-x86_64-pc-windows-gnu",
"raw-cpuid",
] ]
[[package]] [[package]]
name = "xts-mode" name = "winapi-i686-pc-windows-gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "winapi-x86_64-pc-windows-gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "windows-sys"
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"cipher",
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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"
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Cargo.toml
+133 -37
View File
@@ -1,52 +1,148 @@
[package] [package]
name = "redox_bootloader" name = "relibc"
version = "1.0.0" version = "0.2.5"
authors = ["Jeremy Soller <jackpot51@gmail.com>"]
edition = "2024" edition = "2024"
# UEFI uses bin target
[[bin]]
name = "bootloader"
path = "src/main.rs"
# BIOS uses lib target
[lib] [lib]
name = "bootloader" name = "relibc"
path = "src/main.rs"
crate-type = ["staticlib"] 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] [dependencies]
bitflags = "1.3.2" bitflags.workspace = true
linked_list_allocator = "0.10.5" cbitset = "0.2"
log = "0.4.17" posix-regex = { version = "0.1.4", features = ["no_std"] }
redox_syscall = "0.5"
spin = "0.9.5"
[dependencies.redoxfs] rand = { version = "0.10", default-features = false }
version = "0.8" rand_xorshift = "0.5"
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 default-features = false
features = ["log"] features = ["c_api"]
[target.'cfg(target_os = "uefi")'.dependencies] [dependencies.object]
redox_uefi = { git = "https://gitlab.redox-os.org/redox-os/uefi.git" } version = "0.36.7"
redox_uefi_std = { git = "https://gitlab.redox-os.org/redox-os/uefi.git" } git = "https://gitlab.redox-os.org/andypython/object"
default-features = false
features = ["elf", "read_core"]
#TODO: riscv cannot use target_os = "uefi" at this time [target.'cfg(target_os = "linux")'.dependencies]
[target.'cfg(target_arch = "riscv64")'.dependencies] sc = "0.2.7"
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."aarch64-unknown-uefi".dependencies] [target.'cfg(target_os = "redox")'.dependencies]
dmidecode = "0.8.0" redox_syscall.workspace = true
redox-rt = { path = "redox-rt" }
[target."x86_64-unknown-uefi".dependencies] redox-path.workspace = true
x86 = "0.52.0" redox_event = { version = "0.4.6", default-features = false, features = [
"redox_syscall",
[target.'cfg(any(target_arch = "aarch64", target_arch = "riscv64"))'.dependencies] ] }
byteorder = { version = "1", default-features = false } ioslice.workspace = true
fdt = { git = "https://github.com/repnop/fdt.git", rev = "2fb1409edd1877c714a0aa36b6a7c5351004be54" } redox-ioctl = { path = "redox-ioctl" }
redox_protocols.workspace = true
[features] [features]
default = [] # to enable trace level, take out this `no_trace`
live = [] default = ["check_against_libc_crate", "ld_so_cache", "no_trace"]
serial_debug = [] check_against_libc_crate = ["__libc_only_for_layout_checks"]
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 -1
View File
@@ -1,6 +1,6 @@
MIT License MIT License
Copyright (c) 2017-2022 Redox OS Copyright (c) 2018 Redox OS
Permission is hereby granted, free of charge, to any person obtaining a copy Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal of this software and associated documentation files (the "Software"), to deal
Makefile
+219 -17
View File
@@ -1,24 +1,226 @@
TARGET?=x86_64-unknown-uefi include config.mk
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
include $(SOURCE)/mk/$(TARGET).mk export CARGO_TARGET_DIR?=$(shell pwd)/target
BUILD?=$(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: clean:
rm -rf build target $(CARGO) clean
$(MAKE) -C tests clean
rm -rf sysroot
$(BUILD)/filesystem: check:
mkdir -p $(BUILD) $(CARGO) check
rm -f $@.partial
mkdir $@.partial
fallocate -l 1MiB $@.partial/kernel
mv $@.partial $@
$(BUILD)/filesystem.bin: $(BUILD)/filesystem fmt:
mkdir -p $(BUILD) ./fmt.sh
rm -f $@.partial
fallocate -l 254MiB $@.partial install-headers: headers libs
redoxfs-ar $@.partial $< 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 $@ 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
mv $@.partial $@
touch $@
ifeq ($(USE_RUST_LIBM),)
$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/$(PROFILE)/librelibc.a
$(MAKE) -s AR=$(AR) CC="$(CC_WRAPPER) $(CC)" LD=$(LD) CPPFLAGS="$(CPPFLAGS) -fno-stack-protector -I$(shell pwd)/include -I$(TARGET_HEADERS)" -C $< libopenlibm.a
./renamesyms.sh "$@" "$(BUILD)/release/deps/"
else
$(BUILD)/openlibm/libopenlibm.a:
mkdir -p "$(BUILD)/openlibm"
$(AR) -rcs "$(BUILD)/openlibm/libopenlibm.a"
endif
README.md
+173 -62
View File
@@ -1,62 +1,173 @@
# Bootloader # Redox C Library (relibc)
Redox OS Bootloader relibc is a portable C standard library written in Rust and is under heavy development, this library contain the following items:
## Requirements - C, Linux, BSD functions and extensions
- POSIX compatibility layer
These software needs to be available on the PATH at build time: - Interfaces for system components
+ [mtools](https://www.gnu.org/software/mtools/) 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.
+ [nasm](https://nasm.us/)
+ [redoxfs-ar](https://gitlab.redox-os.org/redox-os/redoxfs) Currently Redox and Linux are supported.
## Building ## `redox-rt`
```sh `redox-rt` is a runtime library that provides much of the code that enables POSIX on Redox, like `fork`, `exec`, signal handling, etc.
make TARGET=<triplet> BUILD=build all Relibc uses it as backend in `src/platform/redox`, and it's intended to eventually be usable independently, without relibc.
```
## Repository Layout
The `<triplet>` is one of:
- `include` - Header files (mostly macros and variadic functions `cbindgen` can't generate)
| ARCH | Boot Mode | Triplets | - `src` - Source files
|---|---|---| - `src/c` - C code
| `i686` | BIOS | `x86-unknown-none` | - `src/crt0` - Runtime code
| `x86_64` | BIOS | `x86-unknown-none` | - `src/crti` - Runtime code
| `x86_64` | UEFI | `x86_64-unknown-uefi` | - `src/crtn` - Runtime code
| `aarch64` | UEFI | `aarch64-unknown-uefi` | - `src/header` - Header files implementation
| `riscv64gc` | UEFI | `riscv64gc-unknown-uefi` | - `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
See [mk directory](./mk) for more information of how the build is working. - `src/platform` - Platform-specific and common code
- `src/platform/redox` - Redox-specific code
## Entry points - `src/platform/linux` - Linux-specific code
- `src/pthread` - pthread implementation
Please read [Boot Process](https://doc.redox-os.org/book/boot-process.html) in the Redox OS Book for an introductory guide. - `src/sync` - Synchronization primitives
- `tests` - C tests (each MR needs to give success in all of them)
In this source code, some interesting files for entry points are:
## Download the sources
+ 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) To download the relibc sources run the following command:
+ 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) ```sh
+ UEFI kernel entry: `fn kernel_entry` in each arch: git clone --recursive https://gitlab.redox-os.org/redox-os/relibc
- `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) ## Build Instructions
## Debugging To build relibc out of the Redox build system, do the following steps:
### QEMU ### Dependencies
```sh - Install `cbindgen`
make TARGET=<triplet> BUILD=build qemu
``` ```sh
cargo install cbindgen
## How To Contribute ```
To learn how to contribute to this system component you need to read the following document: #### Install the `expect` tool
- [CONTRIBUTING.md](https://gitlab.redox-os.org/redox-os/redox/-/blob/master/CONTRIBUTING.md) - Debian, Ubuntu and PopOS:
## Development ```sh
sudo apt install expect
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. ```
- Fedora:
```sh
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 ($(TARGET),x86_64-unknown-linux-gnu)
- export CC=x86_64-linux-gnu-gcc
- export LD=x86_64-linux-gnu-ld
- export AR=x86_64-linux-gnu-ar
- export NM=x86_64-linux-gnu-nm
+ export CC=gcc
+ export LD=ld
+ export AR=ar
+ export NM=nm
export OBJCOPY=objcopy
export CPPFLAGS=
LD_SO_PATH=lib/ld64.so.1
endif
```
## Contributing
Before starting to contribute, read [this](CONTRIBUTING.md) document.
## Supported OSes
- Redox OS
- Linux
## Supported architectures
- i586 (Intel/AMD)
- x86_64 (Intel/AMD)
- aarch64 (ARM64)
- riscv64gc (RISC-V)
## Funding - _Unix-style Signals and Process Management_
This project is funded through [NGI Zero Core](https://nlnet.nl/core), a fund established by [NLnet](https://nlnet.nl) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu) program. Learn more at the [NLnet project page](https://nlnet.nl/project/RedoxOS-Signals).
[<img src="https://nlnet.nl/logo/banner.png" alt="NLnet foundation logo" width="20%" />](https://nlnet.nl)
[<img src="https://nlnet.nl/image/logos/NGI0_tag.svg" alt="NGI Zero Logo" width="20%" />](https://nlnet.nl/core)
asm/arm/start.s
-17
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@@ -1,17 +0,0 @@
interrupt_vector_table:
b . @ Reset
b .
b . @ SWI instruction
b .
b .
b .
b .
b .
.comm stack, 0x10000 @ Reserve 64k stack in the BSS
_start:
.globl _start
ldr sp, =stack+0x10000 @ Set up the stack
bl kstart @ Jump to the main function
1:
b 1b @ Halt
asm/x86-unknown-none/bootloader.asm
-31
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@@ -1,31 +0,0 @@
sectalign off
; stage 1 is sector 0, loaded at 0x7C00
%include "stage1.asm"
; GPT area from sector 1 to 33, loaded at 0x7E00
times (33*512) db 0
; stage 2, loaded at 0xC000
stage2:
%include "stage2.asm"
align 512, db 0
stage2.end:
; the maximum size of stage2 is 4 KiB
times (4*1024)-($-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
-176
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@@ -1,176 +0,0 @@
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
-128
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@@ -1,128 +0,0 @@
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
-161
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@@ -1,161 +0,0 @@
; 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
-56
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@@ -1,56 +0,0 @@
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
-67
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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
-36
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@@ -1,36 +0,0 @@
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
-222
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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
-134
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@@ -1,134 +0,0 @@
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
-149
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@@ -1,149 +0,0 @@
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
+30
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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
+24
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@@ -0,0 +1,24 @@
# 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
Executable
+168
View File
@@ -0,0 +1,168 @@
#!/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
+73
View File
@@ -0,0 +1,73 @@
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
Vendored
+117
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@@ -0,0 +1,117 @@
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
+3
View File
@@ -0,0 +1,3 @@
/target/
**/*.rs.bk
Cargo.lock
dlmalloc-rs/Cargo.toml
+70
View File
@@ -0,0 +1,70 @@
[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
+201
View File
@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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6. Trademarks. This License does not grant permission to use the trade
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7. Disclaimer of Warranty. Unless required by applicable law or
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
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Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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Unless required by applicable law or agreed to in writing, software
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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
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dlmalloc-rs/LICENSE-MIT
+25
View File
@@ -0,0 +1,25 @@
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
+40
View File
@@ -0,0 +1,40 @@
# 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
+2
View File
@@ -0,0 +1,2 @@
corpus
artifacts
dlmalloc-rs/fuzz/Cargo.toml
+19
View File
@@ -0,0 +1,19 @@
[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
+8
View File
@@ -0,0 +1,8 @@
#![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
+108
View File
@@ -0,0 +1,108 @@
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/dlmalloc.c
+6280
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dlmalloc-rs/src/dlmalloc.rs
+1900
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dlmalloc-rs/src/dummy.rs
+42
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@@ -0,0 +1,42 @@
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
+56
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@@ -0,0 +1,56 @@
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
+230
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@@ -0,0 +1,230 @@
//! 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
+131
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@@ -0,0 +1,131 @@
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
+76
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@@ -0,0 +1,76 @@
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
+88
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@@ -0,0 +1,88 @@
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
+117
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@@ -0,0 +1,117 @@
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
+32
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@@ -0,0 +1,32 @@
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
+36
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@@ -0,0 +1,36 @@
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
Executable
+3
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@@ -0,0 +1,3 @@
#!/usr/bin/env bash
cargo fmt --package relibc --package crt0 --package redox-rt "$@"
generic-rt/Cargo.toml
+7
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@@ -0,0 +1,7 @@
[package]
name = "generic-rt"
version = "0.1.0"
edition = "2024"
[lints]
workspace = true
generic-rt/src/lib.rs
+133
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@@ -0,0 +1,133 @@
#![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
+6
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@@ -0,0 +1,6 @@
#ifndef _ALLOCA_H
#define _ALLOCA_H
#define alloca(size) __builtin_alloca (size)
#endif /* _ALLOCA_H */
include/complex.h
+1
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@@ -0,0 +1 @@
#include <openlibm_complex.h>
include/features.h
+95
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@@ -0,0 +1,95 @@
/*
* 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
+3
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@@ -0,0 +1,3 @@
#include <openlibm_fenv.h>
#undef complex
#undef I
include/iso646.h
+22
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@@ -0,0 +1,22 @@
// 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
+17
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@@ -0,0 +1,17 @@
#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
+113
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@@ -0,0 +1,113 @@
#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
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@@ -0,0 +1 @@
#include <string.h>
include/netinet/in_systm.h
+10
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@@ -0,0 +1,10 @@
#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
+6
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@@ -0,0 +1,6 @@
#ifndef _RELIBC_PATHS_H
#define _RELIBC_PATHS_H
#define _PATH_BSHELL "/bin/sh"
#endif
include/setjmp.h
+81
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@@ -0,0 +1,81 @@
#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
+10
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@@ -0,0 +1,10 @@
#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
+243
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@@ -0,0 +1,243 @@
/* 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
+19
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@@ -0,0 +1,19 @@
#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
+377
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@@ -0,0 +1,377 @@
/* 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
+22
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@@ -0,0 +1,22 @@
#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
+19
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@@ -0,0 +1,19 @@
/* 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
+36
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#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
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@@ -0,0 +1 @@
#include <poll.h>
include/sys/queue.h
+846
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@@ -0,0 +1,846 @@
/* $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
+22
View File
@@ -0,0 +1,22 @@
#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
+16
View File
@@ -0,0 +1,16 @@
// 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
+13
View File
@@ -0,0 +1,13 @@
#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
+21
View File
@@ -0,0 +1,21 @@
#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
View File
@@ -0,0 +1 @@
#include <sys/syslog.h>
ld_so/Cargo.toml
+12
View File
@@ -0,0 +1,12 @@
[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
+263
View File
@@ -0,0 +1,263 @@
/* 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");
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ld_so/ld_script/aarch64-unknown-redox.ld
+255
View File
@@ -0,0 +1,255 @@
/* 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");
SEARCH_DIR("/usr/local/lib64");
SEARCH_DIR("/lib64");
SEARCH_DIR("/usr/lib64");
SEARCH_DIR("/usr/local/lib");
SEARCH_DIR("/lib");
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. = ALIGN(. != 0 ? 64 / 8 : 1);
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. = ALIGN(64 / 8);
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.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/ld_script/x86_64-unknown-redox.ld
+256
View File
@@ -0,0 +1,256 @@
/* 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)
SEARCH_DIR("/x86_64-unknown-redox/lib");
SEARCH_DIR("/usr/local/lib64");
SEARCH_DIR("/lib64");
SEARCH_DIR("/usr/lib64");
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", 0x20000000) + SIZEOF_HEADERS;
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{
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. = ALIGN(CONSTANT (MAXPAGESIZE));
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/* .gnu.warning sections are handled specially by elf.em. */
*(.gnu.warning)
}
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{
KEEP (*(SORT_NONE(.fini)))
}
PROVIDE (__etext = .);
PROVIDE (_etext = .);
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. = SEGMENT_START("rodata-segment", ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)));
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
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/* These sections are generated by the Sun/Oracle C++ compiler. */
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.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
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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)) }
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. = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 24 ? 24 : 0, .);
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*(.data .data.* .gnu.linkonce.d.*)
SORT(CONSTRUCTORS)
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. = .;
__bss_start = .;
.bss :
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*(.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)
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. = ALIGN(64 / 8);
. = SEGMENT_START("ldata-segment", .);
.lrodata ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
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*(.lrodata .lrodata.* .gnu.linkonce.lr.*)
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.ldata ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1)) :
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*(.ldata .ldata.* .gnu.linkonce.l.*)
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. = ALIGN(64 / 8);
_end = .; PROVIDE (end = .);
. = DATA_SEGMENT_END (.);
/* Stabs debugging sections. */
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.stab.index 0 : { *(.stab.index) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
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/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
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/* 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) }
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/* 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
+136
View File
@@ -0,0 +1,136 @@
#![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
-78
View File
@@ -1,78 +0,0 @@
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
-57
View File
@@ -1,57 +0,0 @@
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
-69
View File
@@ -1,69 +0,0 @@
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="$<",format=raw
mk/riscv64gc-unknown-uefi.mk
-108
View File
@@ -1,108 +0,0 @@
LD=riscv64-unknown-redox-ld
OBJCOPY=riscv64-unknown-redox-objcopy
SCRIPT=$(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
-65
View File
@@ -1,65 +0,0 @@
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
-70
View File
@@ -1,70 +0,0 @@
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
Vendored
+7
View File
@@ -0,0 +1,7 @@
# 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
Vendored
+93
View File
@@ -0,0 +1,93 @@
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: ${{ secrets.CODECOV_TOKEN }}
- uses: actions/upload-artifact@v4
with:
name: code-coverage-report
path: ./cov-html/
openlibm/.github/workflows/cross-loongarch64.yml
Vendored
+54
View File
@@ -0,0 +1,54 @@
# merge this file into cross.yml
# when we can `sudo apt install gcc-loongarch64-linux-gnu` on ubuntu
name: Cross
on:
pull_request:
branches:
- master
push:
branches:
- master
tags: '*'
jobs:
build-cross-qemu:
# TODO: We need Ubuntu 24.04 to use newer version of qemu,
# switch to ubuntu-latest when `ubuntu-latest >= 24.04`
runs-on: ubuntu-24.04
name: build-cross-qemu-${{ 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 $CROSS_LIB/ test/test-double
openlibm/.github/workflows/cross.yml
Vendored
+53
View File
@@ -0,0 +1,53 @@
name: Cross
on:
pull_request:
branches:
- master
push:
branches:
- master
tags: '*'
jobs:
build-cross-qemu:
# TODO: We need Ubuntu 24.04 to use newer version of qemu,
# switch to ubuntu-latest when `ubuntu-latest >= 24.04`
runs-on: ubuntu-24.04
name: build-cross-qemu-${{ 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
+13
View File
@@ -0,0 +1,13 @@
*.o
*~
*.a
*.dll*
*.so*
*.dylib*
*.pc
# code coverage
openlibm-test
cov-html/
*.gcda
*.gcno
openlibm/.mailmap
+61
View File
@@ -0,0 +1,61 @@
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
Executable
+576
View File
@@ -0,0 +1,576 @@
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
+115
View File
@@ -0,0 +1,115 @@
## 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.
openlibm/Make.inc
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# -*- mode: makefile-gmake -*-
# vi:ft=make
# Default build rule for any Makefile in this project: all
default: all
OS := $(shell uname)
# Do not forget to bump SOMINOR when changing VERSION,
# and SOMAJOR when breaking ABI in a backward-incompatible way
VERSION = 0.8.0
SOMAJOR = 4
SOMINOR = 0
DESTDIR =
prefix ?= /usr/local
bindir ?= $(prefix)/bin
libdir ?= $(prefix)/lib
includedir ?= $(prefix)/include
ifeq ($(OS), FreeBSD)
pkgconfigdir ?= $(prefix)/libdata/pkgconfig
else
pkgconfigdir ?= $(libdir)/pkgconfig
endif
# Build with Code Coverage
# Only test with Ubuntu + gcc + lcov, may not work for other platform.
# deps: https://github.com/linux-test-project/lcov
# You don't need to set this flag manually, `make coverage` will do it for you.
# Just Run: make clean && make coverage -j
CODE_COVERAGE ?= 0
ifneq (,$(findstring $(OS),Darwin FreeBSD OpenBSD))
USEGCC ?= 0
USECLANG ?= 1
endif
ifneq (,$(findstring CLANG,$(MSYSTEM)))
# In MSYS2
USEGCC = 0
USECLANG = 1
endif
ifeq ($(ARCH),wasm32)
USECLANG = 1
USEGCC = 0
TOOLPREFIX = llvm-
endif
USEGCC ?= 1
USECLANG ?= 0
TOOLPREFIX ?=
AR := $(TOOLPREFIX)ar
ifeq ($(USECLANG),1)
USEGCC = 0
CC = clang
CFLAGS_add += -fno-builtin -fno-strict-aliasing
endif
ifeq ($(USEGCC),1)
CC := $(TOOLPREFIX)gcc
CFLAGS_add += -fno-gnu89-inline -fno-builtin
endif
ARCH ?= $(shell $(CC) -dumpmachine | sed "s/\([^-]*\).*$$/\1/")
ifeq ($(ARCH),mingw32)
$(error "the mingw32 compiler you are using fails the openblas testsuite. please see the Julia README.windows.md document for a replacement")
endif
# OS-specific stuff
ifeq ($(ARCH),arm64)
override ARCH := aarch64
endif
ifeq ($(findstring arm,$(ARCH)),arm)
override ARCH := arm
MARCH ?= armv7-a+fp
CFLAGS_add += -mhard-float
endif
ifeq ($(findstring powerpc,$(ARCH)),powerpc)
override ARCH := powerpc
endif
ifeq ($(findstring ppc,$(ARCH)),ppc)
override ARCH := powerpc
endif
ifeq ($(findstring s390,$(ARCH)),s390)
override ARCH := s390
endif
ifneq ($(filter $(ARCH),i386 i486 i586 i686 i387 i487 i587 i687),)
override ARCH := i387
MARCH ?= i686
endif
ifeq ($(ARCH),x86_64)
override ARCH := amd64
endif
ifeq ($(findstring mips,$(ARCH)),mips)
override ARCH := mips
endif
ifeq ($(findstring riscv64,$(ARCH)),riscv64)
override ARCH := riscv64
endif
ifeq ($(findstring loongarch64,$(ARCH)),loongarch64)
override ARCH := loongarch64
endif
# If CFLAGS does not contain a -O optimization flag, default to -O3
ifeq ($(findstring -O,$(CFLAGS)),)
CFLAGS_add += -O3
endif
ifneq (,$(findstring MINGW,$(OS)))
override OS=WINNT
endif
#keep these if statements separate
ifeq ($(OS), WINNT)
SHLIB_EXT = dll
SONAME_FLAG =
shlibdir = $(bindir)
else
ifeq ($(OS), Darwin)
SHLIB_EXT = dylib
SONAME_FLAG = -install_name
else
SHLIB_EXT = so
SONAME_FLAG = -soname
endif
CFLAGS_add += -fPIC
shlibdir = $(libdir)
endif
# Add `-march` to our CFLAGS if it's defined
ifneq ($(MARCH),)
CFLAGS_arch += -march=$(MARCH)
endif
ifeq ($(ARCH),i387)
CFLAGS_arch += -m32
SFLAGS_arch += -m32
LDFLAGS_arch += -m32
endif
ifeq ($(ARCH),amd64)
CFLAGS_arch += -m64
SFLAGS_arch += -m64
LDFLAGS_arch += -m64
endif
ifeq ($(ARCH),wasm32)
CFLAGS_arch += -ffreestanding -nostdlib -nostdinc --target=wasm32-unknown-unknown
endif
# Add our "arch"-related FLAGS in. We separate arch-related flags out so that
# we can conveniently get at them for targets that don't want the rest of
# *FLAGS_add, such as the testing Makefile targets
CFLAGS_add += $(CFLAGS_arch)
SFLAGS_add += $(SFLAGS_arch)
LDFLAGS_add += $(LDFLAGS_arch)
CFLAGS_add += -std=c99 -Wall -I$(OPENLIBM_HOME) -I$(OPENLIBM_HOME)/include -I$(OPENLIBM_HOME)/$(ARCH) -I$(OPENLIBM_HOME)/src -DASSEMBLER -D__BSD_VISIBLE -Wno-implicit-function-declaration
ifneq ($(filter $(ARCH),i387 amd64 powerpc),)
CFLAGS_add += -I$(OPENLIBM_HOME)/ld80
else
ifneq ($(filter $(ARCH),aarch64 riscv64),)
CFLAGS_add += -I$(OPENLIBM_HOME)/ld128
endif
endif
ifneq ($(filter $(ARCH),i387 amd64),)
# Determines whether `long double` is the same as `double` on this arch.
# linux x86_64, for instance, `long double` is 80 bits wide, whereas on macOS aarch64,
# `long double` is the same as `double`.
LONG_DOUBLE_NOT_DOUBLE := 1
else ifeq ($(ARCH), aarch64)
ifeq ($(filter $(OS),Darwin WINNT),)
LONG_DOUBLE_NOT_DOUBLE := 1
endif
endif
ifeq ($(CODE_COVERAGE),1)
CFLAGS_add += -g -O0 --coverage
LDFLAGS_add += --coverage
endif # CODE_COVERAGE==1
%.c.o: %.c
$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_add) -c $< -o $@
%.S.o: %.S
$(CC) $(CPPFLAGS) $(SFLAGS) $(SFLAGS_add) $(filter -m% -B% -I% -D%,$(CFLAGS_add)) -c $< -o $@
# Makefile debugging trick:
# call print-VARIABLE to see the runtime value of any variable
print-%:
@echo '$*=$($*)'

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