csu/start.s

   1 .globl _start
   2 .type _start,@function
   3 .align 1<<4
   4 _start:
   5  xorl %ebp, %ebp
   6  mov %rdx, %r9
   7  popq %rsi
   8  mov %rsp, %rdx
   9  and $~15, %rsp
  10  pushq %rax
  11  pushq %rsp
  12  mov __libc_csu_fini@GOTPCREL(%rip), %r8
  13  mov __libc_csu_init@GOTPCREL(%rip), %rcx
  14  mov main@GOTPCREL(%rip), %rdi
  15  call *__libc_start_main@GOTPCREL(%rip)
  16  hlt
  17 .size _start,.-_start;
  18  .data
  19  .globl __data_start
  20 __data_start:
  21  .long 0
  22  .weak data_start
  23  data_start = __data_start