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fix(userspace/libc): interpreter didn't worked at all

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EnderIce2
2025-04-18 12:38:21 +00:00
parent f5c9b561a9
commit cd23c59c46
7 changed files with 248 additions and 49 deletions
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45
Userspace/libc/sysdeps/fennix/generic/dl_start.c
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@ -16,35 +16,35 @@
*/
#ifdef FENNIX_DYNAMIC_LOADER
#define _s __asm__ __volatile__
__attribute__((naked, used, no_stack_protector)) void _dl_start()
{
#if defined(__amd64__)
__asm__(
"xorq %rbp, %rbp\n" /* Clear rbp */
_s("xorq %rbp, %rbp\n"); /* Clear rbp */
"push %rdi\n"
"push %rsi\n"
"push %rdx\n"
"push %rcx\n"
"push %r8\n"
"push %r9\n"
_s("pushq %rdi\n");
_s("pushq %rsi\n");
_s("pushq %rdx\n");
_s("pushq %rcx\n");
_s("pushq %r8\n");
_s("pushq %r9\n");
"call __init_print_buffer\n" /* Call __init_print_buffer */
"call _dl_preload\n" /* Call _dl_preload */
"movl %eax, %edi\n" /* Move return value to edi */
"cmp $0, %edi\n" /* Check if return value is 0 */
"jne _exit\n" /* If not, jump to _exit */
_s("call __init_print_buffer\n"); /* Call __init_print_buffer */
_s("call _dl_preload\n"); /* Call _dl_preload */
_s("movl %eax, %edi\n"); /* Move return value to edi */
_s("cmp $0, %edi\n"); /* Check if return value is 0 */
_s("jne _exit\n"); /* If not, jump to _exit */
"pop %r9\n"
"pop %r8\n"
"pop %rcx\n"
"pop %rdx\n"
"pop %rsi\n"
"pop %rdi\n"
_s("popq %r9\n");
_s("popq %r8\n");
_s("popq %rcx\n");
_s("popq %rdx\n");
_s("popq %rsi\n");
_s("popq %rdi\n");
"call main\n" /* Call _dl_main */
"movl %eax, %edi\n" /* Move return value to edi */
"call _exit\n"); /* Call _exit */
_s("call main\n"); /* Call _dl_main */
_s("movl %eax, %edi\n"); /* Move return value to edi */
_s("call _exit\n"); /* Call _exit */
#elif defined(__i386__)
#warning "i386 _start not implemented"
#elif defined(__arm__)
@ -55,4 +55,5 @@ __attribute__((naked, used, no_stack_protector)) void _dl_start()
#error "Unsupported architecture"
#endif
}
#undef _s
#endif