nptl/pthread_barrier_destroy.s

   1         .text
   2         .section        .rodata.str1.8,"aMS",@progbits,1
   3         .align 8
   4 .LC0:
   5         .string "The futex facility returned an unexpected error code.\n"
   6         .text
   7         .p2align 4,,15
   8         .globl  pthread_barrier_destroy
   9         .type   pthread_barrier_destroy, @function
  10 pthread_barrier_destroy:
  11         movl    $2147483647, %ecx
  12         xorl    %edx, %edx
  13         movl    %ecx, %eax
  14         divl    8(%rdi)
  15         subl    %edx, %ecx
  16         movl    (%rdi), %edx
  17         subl    %edx, %ecx
  18         lock xaddl      %ecx, 16(%rdi)
  19         cmpl    %ecx, %edx
  20         jbe     .L11
  21         testl   %edx, %edx
  22         je      .L11
  23         pushq   %rbx
  24         movq    %rdi, %r8
  25         movl    $202, %r9d
  26         movl    $1, %ebx
  27         jmp     .L5
  28         .p2align 4,,10
  29         .p2align 3
  30 .L3:
  31         movl    (%r8), %edx
  32         testl   %edx, %edx
  33         je      .L15
  34 .L5:
  35         movl    12(%r8), %esi
  36         xorl    %r10d, %r10d
  37         movq    %r8, %rdi
  38         movl    %r9d, %eax
  39         xorb    $-128, %sil
  40 #APP
  41 # 146 "../sysdeps/nptl/futex-internal.h" 1
  42         syscall
  43
  44 # 0 "" 2
  45 #NO_APP
  46         cmpq    $-4096, %rax
  47         jbe     .L3
  48         leal    11(%rax), %ecx
  49         cmpl    $11, %ecx
  50         ja      .L4
  51         movq    %rbx, %rax
  52         salq    %cl, %rax
  53         testl   $2177, %eax
  54         jne     .L3
  55 .L4:
  56         leaq    .LC0(%rip), %rdi
  57         call    __libc_fatal@PLT
  58         .p2align 4,,10
  59         .p2align 3
  60 .L15:
  61         xorl    %eax, %eax
  62         popq    %rbx
  63         ret
  64         .p2align 4,,10
  65         .p2align 3
  66 .L11:
  67         xorl    %eax, %eax
  68         ret
  69         .size   pthread_barrier_destroy, .-pthread_barrier_destroy