nptl/sem_wait.shared.s

   1         .text
   2 #APP
   3         .symver __new_sem_wait,sem_wait@@GLIBC_2.2.5
   4         .symver __new_sem_trywait,sem_trywait@@GLIBC_2.2.5
   5 #NO_APP
   6         .p2align 4,,15
   7         .type   __sem_wait_cleanup, @function
   8 __sem_wait_cleanup:
   9         movabsq $-4294967296, %rax
  10         lock addq       %rax, (%rdi)
  11         ret
  12         .size   __sem_wait_cleanup, .-__sem_wait_cleanup
  13         .p2align 4,,15
  14         .type   do_futex_wait.constprop.1, @function
  15 do_futex_wait.constprop.1:
  16         movl    8(%rdi), %r8d
  17         xorl    %ecx, %ecx
  18         xorl    %edx, %edx
  19         xorl    %esi, %esi
  20         jmp     __GI___futex_abstimed_wait_cancelable64
  21         .size   do_futex_wait.constprop.1, .-do_futex_wait.constprop.1
  22         .p2align 4,,15
  23         .type   __new_sem_wait_slow64.constprop.0, @function
  24 __new_sem_wait_slow64.constprop.0:
  25         pushq   %r13
  26         pushq   %r12
  27         pushq   %rbp
  28         pushq   %rbx
  29         movabsq $4294967296, %rbp
  30         movq    %rdi, %rbx
  31         subq    $40, %rsp
  32         lock xaddq      %rbp, (%rdi)
  33         leaq    __sem_wait_cleanup(%rip), %rsi
  34         movabsq $-4294967297, %r13
  35         movq    %rsp, %r12
  36         movq    %rdi, %rdx
  37         movq    %r12, %rdi
  38         call    __pthread_cleanup_push
  39 .L5:
  40         testl   %ebp, %ebp
  41         je      .L13
  42         leaq    0(%rbp,%r13), %rdx
  43         movq    %rbp, %rax
  44         lock cmpxchgq   %rdx, (%rbx)
  45         movq    %rax, %rbp
  46         jne     .L5
  47         xorl    %ebx, %ebx
  48 .L9:
  49         movq    %r12, %rdi
  50         xorl    %esi, %esi
  51         call    __pthread_cleanup_pop
  52         addq    $40, %rsp
  53         movl    %ebx, %eax
  54         popq    %rbx
  55         popq    %rbp
  56         popq    %r12
  57         popq    %r13
  58         ret
  59         .p2align 4,,10
  60         .p2align 3
  61 .L13:
  62         movq    %rbx, %rdi
  63         call    do_futex_wait.constprop.1
  64         cmpl    $110, %eax
  65         je      .L7
  66         cmpl    $4, %eax
  67         je      .L7
  68         cmpl    $75, %eax
  69         je      .L7
  70         movq    (%rbx), %rbp
  71         jmp     .L5
  72         .p2align 4,,10
  73         .p2align 3
  74 .L7:
  75         movq    errno@gottpoff(%rip), %rdx
  76         movl    %eax, %fs:(%rdx)
  77         movabsq $-4294967296, %rax
  78         lock addq       %rax, (%rbx)
  79         movl    $-1, %ebx
  80         jmp     .L9
  81         .size   __new_sem_wait_slow64.constprop.0, .-__new_sem_wait_slow64.constprop.0
  82         .p2align 4,,15
  83         .globl  __new_sem_wait
  84         .type   __new_sem_wait, @function
  85 __new_sem_wait:
  86         pushq   %rbx
  87         movq    %rdi, %rbx
  88         call    __GI___pthread_testcancel
  89         movq    (%rbx), %rax
  90         testl   %eax, %eax
  91         je      .L16
  92         leaq    -1(%rax), %rdx
  93         lock cmpxchgq   %rdx, (%rbx)
  94         jne     .L16
  95         xorl    %eax, %eax
  96         popq    %rbx
  97         ret
  98         .p2align 4,,10
  99         .p2align 3
 100 .L16:
 101         movq    %rbx, %rdi
 102         popq    %rbx
 103         jmp     __new_sem_wait_slow64.constprop.0
 104         .size   __new_sem_wait, .-__new_sem_wait
 105         .p2align 4,,15
 106         .globl  __new_sem_trywait
 107         .type   __new_sem_trywait, @function
 108 __new_sem_trywait:
 109         movq    (%rdi), %rax
 110 .L23:
 111         testl   %eax, %eax
 112         je      .L22
 113         leaq    -1(%rax), %rdx
 114         lock cmpxchgq   %rdx, (%rdi)
 115         jne     .L23
 116         xorl    %eax, %eax
 117         ret
 118         .p2align 4,,10
 119         .p2align 3
 120 .L22:
 121         movq    errno@gottpoff(%rip), %rax
 122         movl    $11, %fs:(%rax)
 123         movl    $-1, %eax
 124         ret
 125         .size   __new_sem_trywait, .-__new_sem_trywait
 126         .hidden __pthread_cleanup_pop
 127         .hidden __pthread_cleanup_push