nptl/sem_clockwait.s

   1         .text
   2         .p2align 4,,15
   3         .type   __sem_wait_cleanup, @function
   4 __sem_wait_cleanup:
   5         movabsq $-4294967296, %rax
   6         lock addq       %rax, (%rdi)
   7         ret
   8         .size   __sem_wait_cleanup, .-__sem_wait_cleanup
   9         .p2align 4,,15
  10         .type   do_futex_wait, @function
  11 do_futex_wait:
  12         movl    8(%rdi), %r8d
  13         movq    %rdx, %rcx
  14         movl    %esi, %edx
  15         xorl    %esi, %esi
  16         jmp     __futex_abstimed_wait_cancelable64@PLT
  17         .size   do_futex_wait, .-do_futex_wait
  18         .p2align 4,,15
  19         .type   __new_sem_wait_slow64, @function
  20 __new_sem_wait_slow64:
  21         pushq   %r15
  22         pushq   %r14
  23         movl    %esi, %r14d
  24         pushq   %r13
  25         pushq   %r12
  26         movq    %rdx, %r13
  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, %r15
  35         movq    %rsp, %r12
  36         movq    %rdi, %rdx
  37         movq    %r12, %rdi
  38         call    __pthread_cleanup_push@PLT
  39 .L5:
  40         testl   %ebp, %ebp
  41         je      .L13
  42         leaq    0(%rbp,%r15), %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@PLT
  52         addq    $40, %rsp
  53         movl    %ebx, %eax
  54         popq    %rbx
  55         popq    %rbp
  56         popq    %r12
  57         popq    %r13
  58         popq    %r14
  59         popq    %r15
  60         ret
  61         .p2align 4,,10
  62         .p2align 3
  63 .L13:
  64         movq    %r13, %rdx
  65         movl    %r14d, %esi
  66         movq    %rbx, %rdi
  67         call    do_futex_wait
  68         cmpl    $110, %eax
  69         je      .L7
  70         cmpl    $4, %eax
  71         je      .L7
  72         cmpl    $75, %eax
  73         je      .L7
  74         movq    (%rbx), %rbp
  75         jmp     .L5
  76         .p2align 4,,10
  77         .p2align 3
  78 .L7:
  79         movq    errno@gottpoff(%rip), %rdx
  80         movl    %eax, %fs:(%rdx)
  81         movabsq $-4294967296, %rax
  82         lock addq       %rax, (%rbx)
  83         movl    $-1, %ebx
  84         jmp     .L9
  85         .size   __new_sem_wait_slow64, .-__new_sem_wait_slow64
  86         .p2align 4,,15
  87         .globl  __sem_clockwait
  88         .type   __sem_clockwait, @function
  89 __sem_clockwait:
  90         cmpl    $1, %esi
  91         ja      .L17
  92         cmpq    $999999999, 8(%rdx)
  93         ja      .L17
  94         movq    (%rdi), %rax
  95         testl   %eax, %eax
  96         je      .L19
  97         leaq    -1(%rax), %rcx
  98         lock cmpxchgq   %rcx, (%rdi)
  99         jne     .L19
 100         xorl    %eax, %eax
 101         ret
 102         .p2align 4,,10
 103         .p2align 3
 104 .L19:
 105         jmp     __new_sem_wait_slow64
 106         .p2align 4,,10
 107         .p2align 3
 108 .L17:
 109         movq    errno@gottpoff(%rip), %rax
 110         movl    $22, %fs:(%rax)
 111         movl    $-1, %eax
 112         ret
 113         .size   __sem_clockwait, .-__sem_clockwait
 114         .weak   sem_clockwait
 115         .set    sem_clockwait,__sem_clockwait