time/gettimeofday.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __gettimeofday
   4         .type   __gettimeofday, @function
   5 __gettimeofday:
   6         pushq   %rbp
   7         pushq   %rbx
   8         movq    %rdi, %rbp
   9         movq    %rsi, %rbx
  10         subq    $8, %rsp
  11         testq   %rsi, %rsi
  12         jne     .L14
  13 .L2:
  14         movq    _dl_vdso_gettimeofday(%rip), %rax
  15         testq   %rax, %rax
  16         je      .L7
  17         movq    %rbx, %rsi
  18         movq    %rbp, %rdi
  19         call    *%rax
  20         movslq  %eax, %rdx
  21         cmpq    $-4096, %rdx
  22         jbe     .L1
  23         cmpq    $-38, %rdx
  24         je      .L7
  25 .L4:
  26         movq    __libc_errno@gottpoff(%rip), %rax
  27         negl    %edx
  28         movl    %edx, %fs:(%rax)
  29         movl    $-1, %eax
  30 .L6:
  31 .L1:
  32         addq    $8, %rsp
  33         popq    %rbx
  34         popq    %rbp
  35         ret
  36         .p2align 4,,10
  37         .p2align 3
  38 .L7:
  39         movq    %rbx, %rsi
  40         movq    %rbp, %rdi
  41         movl    $96, %eax
  42 #APP
  43 # 53 "../sysdeps/unix/sysv/linux/gettimeofday.c" 1
  44         syscall
  45
  46 # 0 "" 2
  47 #NO_APP
  48         cmpq    $-4096, %rax
  49         movq    %rax, %rdx
  50         ja      .L4
  51         jmp     .L1
  52         .p2align 4,,10
  53         .p2align 3
  54 .L14:
  55         movb    $0, (%rsi)
  56         jmp     .L2
  57         .size   __gettimeofday, .-__gettimeofday
  58         .weak   gettimeofday
  59         .set    gettimeofday,__gettimeofday