Make improvements

- Fix unused local variable errors
- Remove yoinks from sigaction() header
- Add nox87 and aarch64 to github actions
- Fix cosmocc -fportcosmo in linking mode
- It's now possible to build `make m=llvm o/llvm/libc`
This commit is contained in:
Justine Tunney 2023-07-10 04:29:46 -07:00
parent 3dc86ce154
commit f7ae50462a
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
118 changed files with 342 additions and 392 deletions

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@ -0,0 +1,33 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi
Copyright 2023 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or 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.
*/
#include "libc/macros.internal.h"
GetCpuidBrand:
mov %esi,%eax
xor %ecx,%ecx
push %rbx
cpuid
mov %ebx,0(%rdi)
mov %ecx,4(%rdi)
mov %edx,8(%rdi)
movb $0,12(%rdi)
pop %rbx
movb $0,12(%rdi)
ret
.endfn GetCpuidBrand,globl

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@ -160,7 +160,7 @@ void *memset(void *p, int c, size_t n) {
return b;
#ifdef __x86__
} else if (IsTiny()) {
asm("rep stosb" : "+D"(b), "+c"(n), "=m"(*(char(*)[n])b) : "0"(p), "a"(c));
asm("rep stosb" : "+D"(b), "+c"(n), "=m"(*(char(*)[n])b) : "a"(c));
return p;
} else if (X86_HAVE(AVX)) {
return memset_avx(b, c, n);

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@ -1,7 +1,7 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2023 Justine Alexandra Roberts Tunney
Copyright 2020 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
@ -16,22 +16,11 @@
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/intrin/kprintf.h"
#include "libc/runtime/internal.h"
#include "libc/runtime/runtime.h"
#ifdef __x86_64__
void GetCpuidBrand(char s[13], uint32_t leaf) {
int ax, cx;
asm("push\t%%rbx\r\n"
"cpuid\r\n"
"mov\t%%ebx,0+%2\r\n"
"mov\t%%ecx,4+%2\r\n"
"mov\t%%edx,8+%2\r\n"
"movb\t$0,12+%2\r\n"
"pop\t%%rbx"
: "=a"(ax), "=c"(cx), "=o"(*(char(*)[13])s)
: "0"(leaf), "1"(0)
: "rdx");
s[12] = 0;
__attribute__((__weak__)) void __stack_chk_fail(void) {
kprintf("%s: stack smashed\n", program_invocation_name);
__builtin_trap();
}
#endif /* __x86_64__ */

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@ -0,0 +1,23 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2020 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or 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.
*/
#include "libc/runtime/internal.h"
__attribute__((__weak__)) void __stack_chk_fail_local(void) {
__stack_chk_fail();
}

14
libc/intrin/udivti3.c Normal file
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@ -0,0 +1,14 @@
#if 0
/*─────────────────────────────────────────────────────────────────╗
To the extent possible under law, Justine Tunney has waived
all copyright and related or neighboring rights to division,
as it is written in the following disclaimers:
http://unlicense.org/ │
http://creativecommons.org/publicdomain/zero/1.0/ │
*/
#endif
#include "third_party/compiler_rt/int_lib.h"
COMPILER_RT_ABI tu_int __udivti3(tu_int a, tu_int b) {
return __udivmodti4(a, b, NULL);
}