diff options
Diffstat (limited to 'lib/libc/arch/x86_64/crt0.c')
| -rw-r--r-- | lib/libc/arch/x86_64/crt0.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/lib/libc/arch/x86_64/crt0.c b/lib/libc/arch/x86_64/crt0.c deleted file mode 100644 index c60239d3..00000000 --- a/lib/libc/arch/x86_64/crt0.c +++ /dev/null @@ -1,63 +0,0 @@ -#include "asm/auxvec.h" // for AT_SYSINFO_EHDR -#include <io_uring.h> -#include <linux/auxvec.h> // for AT_NULL -#include <linux/elf.h> // for Elf64_Ehdr -#include <stdint.h> // for uintptr_t -#include <stdlib.h> // for exit - -#define weak_reference(old, new) \ - extern __typeof(old) new __attribute__((__weak__, __alias__(#old))) - -extern int main(int, char *[]); -char **environ; -char *__progname; - -struct __attribute__((packed)) auxv_t { - uintptr_t a_type; - uintptr_t a_val; -} *__auxv; - -static void __vdso_setup(Elf64_Ehdr *vdso_addr __attribute__((unused))) -{ -} - -weak_reference(__vdso_setup, vdso_setup); - -static void __io_uring_setup_(void) -{ -} -weak_reference(__io_uring_setup_, __io_uring_setup); - -__attribute__((used)) void __libc_start(uintptr_t *sp) -{ - char **argv; - int argc; - - argc = (int)(*sp); - argv = (char **)(++sp); - __progname = argv[0]; - sp += argc; - environ = (char **)(++sp); - - while (*sp) - sp++; - - __auxv = (struct auxv_t *)(++sp); - while (__auxv->a_type != AT_NULL) { - if (__auxv->a_type == AT_SYSINFO_EHDR) { - vdso_setup((Elf64_Ehdr *)__auxv->a_val); - } - - __auxv++; - } - - __io_uring_setup_(); - - exit(main(argc, argv)); -} - -__attribute__((noreturn, naked)) void _start(void) -{ - __asm__ __volatile__("mov %rsp, %rdi\n" - "call __libc_start\n"); -} |
