posix/wait4.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __wait4
   4         .hidden __wait4
   5         .type   __wait4, @function
   6 __wait4:
   7         movq    %rcx, %r10
   8 #APP
   9 # 30 "../sysdeps/unix/sysv/linux/wait4.c" 1
  10         movl %fs:24,%eax
  11 # 0 "" 2
  12 #NO_APP
  13         testl   %eax, %eax
  14         jne     .L2
  15         movl    $61, %eax
  16 #APP
  17 # 30 "../sysdeps/unix/sysv/linux/wait4.c" 1
  18         syscall
  19
  20 # 0 "" 2
  21 #NO_APP
  22         cmpq    $-4096, %rax
  23         ja      .L11
  24         rep ret
  25         .p2align 4,,10
  26         .p2align 3
  27 .L2:
  28         pushq   %r13
  29         pushq   %r12
  30         movq    %rcx, %r13
  31         pushq   %rbp
  32         pushq   %rbx
  33         movl    %edx, %r12d
  34         movq    %rsi, %rbp
  35         movl    %edi, %ebx
  36         subq    $24, %rsp
  37         call    __libc_enable_asynccancel
  38         movq    %r13, %r10
  39         movl    %eax, %r8d
  40         movl    %r12d, %edx
  41         movq    %rbp, %rsi
  42         movl    %ebx, %edi
  43         movl    $61, %eax
  44 #APP
  45 # 30 "../sysdeps/unix/sysv/linux/wait4.c" 1
  46         syscall
  47
  48 # 0 "" 2
  49 #NO_APP
  50         cmpq    $-4096, %rax
  51         ja      .L12
  52 .L6:
  53         movl    %r8d, %edi
  54         movl    %eax, 12(%rsp)
  55         call    __libc_disable_asynccancel
  56         movl    12(%rsp), %eax
  57         addq    $24, %rsp
  58         popq    %rbx
  59         popq    %rbp
  60         popq    %r12
  61         popq    %r13
  62         ret
  63         .p2align 4,,10
  64         .p2align 3
  65 .L11:
  66         movq    __libc_errno@gottpoff(%rip), %rdx
  67         negl    %eax
  68         movl    %eax, %fs:(%rdx)
  69         movl    $-1, %eax
  70         ret
  71 .L12:
  72         movq    __libc_errno@gottpoff(%rip), %rdx
  73         negl    %eax
  74         movl    %eax, %fs:(%rdx)
  75         movl    $-1, %eax
  76         jmp     .L6
  77         .size   __wait4, .-__wait4
  78         .weak   wait4
  79         .set    wait4,__wait4
  80         .hidden __libc_disable_asynccancel
  81         .hidden __libc_enable_asynccancel