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Merge branch 'update_toolchain' into 'master'

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Update toolchain

See merge request redox-os/relibc!338
This commit is contained in:
4lDO2
2021-06-18 15:13:03 +00:00
parent b472cb87d1 9eeb73319d
commit 98c60c357f
14 changed files with 266 additions and 208 deletions
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Cargo.lock
Generated
+190 -166
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Cargo.toml
+3 -3
View File
@@ -19,7 +19,7 @@ cc = "1.0.25"
[dependencies]
cbitset = "0.1.0"
core_io = { path = "core_io", features = ["collections"] }
lazy_static = { version = "1.2.0", features = ["nightly", "spin_no_std"] }
lazy_static = { version = "1.4.0", default-features = false, features = ["spin_no_std"] }
memoffset = "0.5.1"
posix-regex = { path = "posix-regex", features = ["no_std"] }
rand = { version = "0.5.5", default-features = false }
@@ -39,8 +39,8 @@ optional = true
sc = "0.2.3"
[target.'cfg(target_os = "redox")'.dependencies]
redox_syscall = "0.2.7"
spin = "0.4.10"
redox_syscall = "0.2.9"
spin = "0.9.0"
[features]
default = []
Makefile
+1 -1
View File
@@ -2,7 +2,7 @@ TARGET?=$(shell rustc -Z unstable-options --print target-spec-json | grep llvm-t
CARGO?=cargo
CARGO_TEST?=$(CARGO)
CARGOFLAGS?=
CARGOFLAGS?=-Z build-std=core,alloc,compiler_builtins
RUSTCFLAGS?=
export OBJCOPY?=objcopy
core_io
+1 -1
Submodule core_io updated: 23118bedb0...b120854ab8
rust-toolchain
+1 -1
View File
@@ -1 +1 @@
nightly-2020-07-27
nightly-2021-03-15
src/crti/src/lib.rs
+4 -4
View File
@@ -11,16 +11,16 @@ global_asm!(
.section .init
.global _init
_init:
push %rbp
movq %rsp, %rbp
push rbp
mov rbp, rsp
// Created a new stack frame and updated the stack pointer
// Body will be filled in by gcc and ended by crtn.o
.section .fini
.global _fini
_fini:
push %rbp
movq %rsp, %rbp
push rbp
mov rbp, rsp
// Created a new stack frame and updated the stack pointer
// Body will be filled in by gcc and ended by crtn.o
"#
src/crtn/src/lib.rs
+2 -2
View File
@@ -11,13 +11,13 @@ global_asm!(
.section .init
// This happens after crti.o and gcc has inserted code
// Pop the stack frame
pop %rbp
pop rbp
ret
.section .fini
// This happens after crti.o and gcc has inserted code
// Pop the stack frame
pop %rbp
pop rbp
ret
"#
);
src/header/setjmp/impl/x86_64/longjmp.s
+13 -13
View File
@@ -5,18 +5,18 @@
.type longjmp,@function
_longjmp:
longjmp:
mov %rsi,%rax /* val will be longjmp return */
test %rax,%rax
mov rax,rsi /* val will be longjmp return */
test rax,rax
jnz 1f
inc %rax /* if val==0, val=1 per longjmp semantics */
inc rax /* if val==0, val=1 per longjmp semantics */
1:
mov (%rdi),%rbx /* rdi is the jmp_buf, restore regs from it */
mov 8(%rdi),%rbp
mov 16(%rdi),%r12
mov 24(%rdi),%r13
mov 32(%rdi),%r14
mov 40(%rdi),%r15
mov 48(%rdi),%rdx /* this ends up being the stack pointer */
mov %rdx,%rsp
mov 56(%rdi),%rdx /* this is the instruction pointer */
jmp *%rdx /* goto saved address without altering rsp */
mov rbx, [rdi] /* rdi is the jmp_buf, restore regs from it */
mov rbp, [rdi + 8]
mov r12, [rdi + 16]
mov r13, [rdi + 24]
mov r14, [rdi + 32]
mov r15, [rdi + 40]
mov rdx, [rdi + 48] /* this ends up being the stack pointer */
mov rsp, rdx
mov rdx, [rdi + 56] /* this is the instruction pointer */
jmp rdx /* goto saved address without altering rsp */
src/header/setjmp/impl/x86_64/setjmp.s
+11 -11
View File
@@ -8,15 +8,15 @@
__setjmp:
_setjmp:
setjmp:
mov %rbx,(%rdi) /* rdi is jmp_buf, move registers onto it */
mov %rbp,8(%rdi)
mov %r12,16(%rdi)
mov %r13,24(%rdi)
mov %r14,32(%rdi)
mov %r15,40(%rdi)
lea 8(%rsp),%rdx /* this is our rsp WITHOUT current ret addr */
mov %rdx,48(%rdi)
mov (%rsp),%rdx /* save return addr ptr for new rip */
mov %rdx,56(%rdi)
xor %rax,%rax /* always return 0 */
mov [rdi], rbx /* rdi is jmp_buf, move registers onto it */
mov [rdi + 8], rbp
mov [rdi + 16], r12
mov [rdi + 24], r13
mov [rdi + 32], r14
mov [rdi + 40], r15
lea rdx, [rsp + 8] /* this is our rsp WITHOUT current ret addr */
mov [rdi + 48], rdx
mov rdx, [rsp] /* save return addr ptr for new rip */
mov [rdi + 56], rdx
xor rax, rax /* always return 0 */
ret
src/header/signal/linux.rs
+1 -1
View File
@@ -5,7 +5,7 @@ global_asm!(
"
.global __restore_rt
__restore_rt:
mov $15, %rax
mov rax, 15
syscall
"
);
src/header/signal/redox.rs
+1 -1
View File
@@ -5,7 +5,7 @@ global_asm!(
"
.global __restore_rt
__restore_rt:
mov $119, %rax
mov rax, 119
syscall
"
);
src/header/unistd/mod.rs
+7 -2
View File
@@ -88,9 +88,14 @@ pub unsafe extern "C" fn chdir(path: *const c_char) -> c_int {
Sys::chdir(path)
}
// #[no_mangle]
#[no_mangle]
pub extern "C" fn chroot(path: *const c_char) -> c_int {
unimplemented!();
// TODO: Implement
unsafe {
platform::errno = crate::header::errno::EPERM;
}
-1
}
#[no_mangle]
src/header/wchar/utf8.rs
+31 -1
View File
@@ -10,9 +10,39 @@ use crate::{
use super::mbstate_t;
// Based on
// https://github.com/rust-lang/rust/blob/f24ce9b/library/core/src/str/validations.rs#L232-L257,
// because apparently somebody removed the `pub use` statement from `core::str`.
// https://tools.ietf.org/html/rfc3629
static UTF8_CHAR_WIDTH: [u8; 256] = [
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, // 0x1F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, // 0x3F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, // 0x5F
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, // 0x7F
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, // 0x9F
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, // 0xBF
0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, // 0xDF
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 0xEF
4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0xFF
];
// Given a first byte, determines how many bytes are in this UTF-8 character.
#[inline]
fn utf8_char_width(b: u8) -> usize {
UTF8_CHAR_WIDTH[usize::from(b)].into()
}
//It's guaranteed that we don't have any nullpointers here
pub unsafe fn mbrtowc(pwc: *mut wchar_t, s: *const c_char, n: usize, ps: *mut mbstate_t) -> usize {
let size = str::utf8_char_width(*s as u8);
let size = utf8_char_width(*s as u8);
if size > n {
platform::errno = errno::EILSEQ;
return -2isize as usize;
src/lib.rs
-1
View File
@@ -6,7 +6,6 @@
#![feature(asm)]
#![feature(box_into_pin)]
#![feature(c_variadic)]
#![feature(const_fn)]
#![feature(const_raw_ptr_deref)]
#![feature(core_intrinsics)]
#![feature(global_asm)]