posix/pause.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __libc_pause
   4         .type   __libc_pause, @function
   5 __libc_pause:
   6 #APP
   7 # 29 "../sysdeps/unix/sysv/linux/pause.c" 1
   8         movl %fs:24,%eax
   9 # 0 "" 2
  10 #NO_APP
  11         testl   %eax, %eax
  12         jne     .L2
  13         movl    $34, %eax
  14 #APP
  15 # 29 "../sysdeps/unix/sysv/linux/pause.c" 1
  16         syscall
  17
  18 # 0 "" 2
  19 #NO_APP
  20         cmpq    $-4096, %rax
  21         ja      .L11
  22         rep ret
  23         .p2align 4,,10
  24         .p2align 3
  25 .L2:
  26         subq    $24, %rsp
  27         call    __libc_enable_asynccancel
  28         movl    %eax, %edi
  29         movl    $34, %eax
  30 #APP
  31 # 29 "../sysdeps/unix/sysv/linux/pause.c" 1
  32         syscall
  33
  34 # 0 "" 2
  35 #NO_APP
  36         cmpq    $-4096, %rax
  37         ja      .L12
  38 .L6:
  39         movl    %eax, 12(%rsp)
  40         call    __libc_disable_asynccancel
  41         movl    12(%rsp), %eax
  42         addq    $24, %rsp
  43         ret
  44         .p2align 4,,10
  45         .p2align 3
  46 .L11:
  47         movq    __libc_errno@gottpoff(%rip), %rdx
  48         negl    %eax
  49         movl    %eax, %fs:(%rdx)
  50         movl    $-1, %eax
  51         ret
  52 .L12:
  53         movq    __libc_errno@gottpoff(%rip), %rdx
  54         negl    %eax
  55         movl    %eax, %fs:(%rdx)
  56         movl    $-1, %eax
  57         jmp     .L6
  58         .size   __libc_pause, .-__libc_pause
  59         .weak   pause
  60         .set    pause,__libc_pause
  61         .hidden __libc_disable_asynccancel
  62         .hidden __libc_enable_asynccancel