sysvipc/msgrcv.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __libc_msgrcv
   4         .type   __libc_msgrcv, @function
   5 __libc_msgrcv:
   6         movq    %rcx, %r10
   7 #APP
   8 # 27 "../sysdeps/unix/sysv/linux/msgrcv.c" 1
   9         movl %fs:24,%eax
  10 # 0 "" 2
  11 #NO_APP
  12         testl   %eax, %eax
  13         jne     .L2
  14         movl    $70, %eax
  15 #APP
  16 # 27 "../sysdeps/unix/sysv/linux/msgrcv.c" 1
  17         syscall
  18
  19 # 0 "" 2
  20 #NO_APP
  21         cmpq    $-4096, %rax
  22         ja      .L9
  23         rep ret
  24         .p2align 4,,10
  25         .p2align 3
  26 .L2:
  27         pushq   %r14
  28         pushq   %r13
  29         movq    %rsi, %r14
  30         pushq   %r12
  31         pushq   %rbp
  32         movl    %r8d, %r13d
  33         pushq   %rbx
  34         movq    %rcx, %r12
  35         movq    %rdx, %rbp
  36         movl    %edi, %ebx
  37         subq    $16, %rsp
  38         call    __libc_enable_asynccancel
  39         movl    %r13d, %r8d
  40         movl    %eax, %r9d
  41         movq    %r12, %r10
  42         movq    %rbp, %rdx
  43         movq    %r14, %rsi
  44         movl    %ebx, %edi
  45         movl    $70, %eax
  46 #APP
  47 # 27 "../sysdeps/unix/sysv/linux/msgrcv.c" 1
  48         syscall
  49
  50 # 0 "" 2
  51 #NO_APP
  52         cmpq    $-4096, %rax
  53         ja      .L10
  54 .L4:
  55         movl    %r9d, %edi
  56         movq    %rax, 8(%rsp)
  57         call    __libc_disable_asynccancel
  58         movq    8(%rsp), %rax
  59         addq    $16, %rsp
  60         popq    %rbx
  61         popq    %rbp
  62         popq    %r12
  63         popq    %r13
  64         popq    %r14
  65         ret
  66         .p2align 4,,10
  67         .p2align 3
  68 .L9:
  69         movq    __libc_errno@gottpoff(%rip), %rdx
  70         negl    %eax
  71         movl    %eax, %fs:(%rdx)
  72         movq    $-1, %rax
  73         ret
  74 .L10:
  75         movq    __libc_errno@gottpoff(%rip), %rdx
  76         negl    %eax
  77         movl    %eax, %fs:(%rdx)
  78         movq    $-1, %rax
  79         jmp     .L4
  80         .size   __libc_msgrcv, .-__libc_msgrcv
  81         .weak   msgrcv
  82         .set    msgrcv,__libc_msgrcv
  83         .hidden __libc_disable_asynccancel
  84         .hidden __libc_enable_asynccancel