nptl/libc-cancellation.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6 #NO_APP
   7         .p2align 4,,15
   8         .globl  __libc_enable_asynccancel
   9         .hidden __libc_enable_asynccancel
  10         .type   __libc_enable_asynccancel, @function
  11 __libc_enable_asynccancel:
  12         movq    %fs:16, %rsi
  13 #APP
  14 # 35 "../nptl/cancellation.c" 1
  15         movl %fs:776,%edx
  16 # 0 "" 2
  17 #NO_APP
  18 .L3:
  19         movl    %edx, %ecx
  20         orl     $2, %ecx
  21         cmpl    %ecx, %edx
  22         je      .L1
  23         movl    %edx, %eax
  24         lock cmpxchgl   %ecx, 776(%rsi)
  25         cmpl    %eax, %edx
  26         jne     .L5
  27         andl    $-69, %ecx
  28         cmpl    $10, %ecx
  29         je      .L10
  30 .L1:
  31         movl    %edx, %eax
  32         ret
  33         .p2align 4,,10
  34         .p2align 3
  35 .L5:
  36         movl    %eax, %edx
  37         jmp     .L3
  38 .L10:
  39         subq    $8, %rsp
  40 #APP
  41 # 50 "../nptl/cancellation.c" 1
  42         movq $-1,%fs:1584
  43 # 0 "" 2
  44 #NO_APP
  45         movq    %fs:16, %rax
  46 #APP
  47 # 304 "pthreadP.h" 1
  48         lock;orl $16, 776(%rax)
  49 # 0 "" 2
  50 # 307 "pthreadP.h" 1
  51         movq %fs:768,%rdi
  52 # 0 "" 2
  53 #NO_APP
  54         call    __pthread_unwind@PLT
  55         .size   __libc_enable_asynccancel, .-__libc_enable_asynccancel
  56         .section        .rodata.str1.8,"aMS",@progbits,1
  57         .align 8
  58 .LC0:
  59         .string "The futex facility returned an unexpected error code.\n"
  60         .text
  61         .p2align 4,,15
  62         .globl  __libc_disable_asynccancel
  63         .hidden __libc_disable_asynccancel
  64         .type   __libc_disable_asynccancel, @function
  65 __libc_disable_asynccancel:
  66         andl    $2, %edi
  67         jne     .L21
  68 #APP
  69 # 78 "../nptl/cancellation.c" 1
  70         movl %fs:776,%ecx
  71 # 0 "" 2
  72 #NO_APP
  73         movq    %fs:16, %rax
  74         leaq    776(%rax), %r8
  75 .L13:
  76         movl    %ecx, %edx
  77         movl    %ecx, %eax
  78         andl    $-3, %edx
  79         lock cmpxchgl   %edx, (%r8)
  80         cmpl    %eax, %ecx
  81         jne     .L17
  82         andl    $12, %ecx
  83         cmpl    $4, %ecx
  84         je      .L24
  85 .L21:
  86         rep ret
  87         .p2align 4,,10
  88         .p2align 3
  89 .L24:
  90         pushq   %rbx
  91         movl    $202, %r9d
  92         movl    $1, %ebx
  93 .L16:
  94         xorl    %r10d, %r10d
  95         movl    $128, %esi
  96         movq    %r8, %rdi
  97         movl    %r9d, %eax
  98 #APP
  99 # 146 "../sysdeps/nptl/futex-internal.h" 1
 100         syscall
 101
 102 # 0 "" 2
 103 #NO_APP
 104         cmpq    $-4096, %rax
 105         ja      .L25
 106 .L14:
 107 #APP
 108 # 102 "../nptl/cancellation.c" 1
 109         movl %fs:776,%edx
 110 # 0 "" 2
 111 #NO_APP
 112         movl    %edx, %eax
 113         andl    $12, %eax
 114         cmpl    $4, %eax
 115         je      .L16
 116         popq    %rbx
 117         ret
 118         .p2align 4,,10
 119         .p2align 3
 120 .L17:
 121         movl    %eax, %ecx
 122         jmp     .L13
 123 .L25:
 124         leal    11(%rax), %ecx
 125         cmpl    $11, %ecx
 126         ja      .L15
 127         movq    %rbx, %rax
 128         salq    %cl, %rax
 129         testl   $2177, %eax
 130         jne     .L14
 131 .L15:
 132         leaq    .LC0(%rip), %rdi
 133         call    __GI___libc_fatal
 134         .size   __libc_disable_asynccancel, .-__libc_disable_asynccancel