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feat(userspace/libc): support for linux target

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-03-17 23:18:54 +00:00
parent 8258d40115
commit 7e69b8f82a
27 changed files with 1379 additions and 48 deletions
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18
Userspace/libc/runtime/fennix/amd64/crt1.c
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@ -1,18 +1,18 @@
/*
This file is part of Fennix Userspace.
This file is part of Fennix C Library.
Fennix Userspace is free software: you can redistribute it and/or
Fennix C Library 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 of
the License, or (at your option) any later version.
Fennix Userspace is distributed in the hope that it will be useful,
Fennix 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Userspace. If not, see <https://www.gnu.org/licenses/>.
along with Fennix C Library. If not, see <https://www.gnu.org/licenses/>.
*/
typedef void (*fct)(void);
@ -39,7 +39,6 @@ void __crt_fini_array(void)
__attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
{
#if defined(__amd64__)
asm("xor %rbp, %rbp\n"
"andq $-16, %rsp\n"
"movq %rsp, %rbp\n"
@ -67,15 +66,6 @@ __attribute__((naked, used, no_stack_protector, section(".text"))) void _start()
"movl %eax, %edi\n"
"call _exit\n");
#elif defined(__i386__)
#warning "i386 _start not implemented"
#elif defined(__arm__)
#warning "arm _start not implemented"
#elif defined(__aarch64__)
#warning "aarch64 _start not implemented"
#else
#error "Unsupported architecture"
#endif
}
/* These are declared in GNU ld */