nptl/pthread_rwlock_unlock.shared.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  __GI___pthread_rwlock_unlock
   9         .hidden __GI___pthread_rwlock_unlock
  10         .type   __GI___pthread_rwlock_unlock, @function
  11 __GI___pthread_rwlock_unlock:
  12         pushq   %rbp
  13         pushq   %rbx
  14         movq    %rdi, %r8
  15         subq    $8, %rsp
  16         movl    24(%rdi), %edx
  17 #APP
  18 # 40 "pthread_rwlock_unlock.c" 1
  19         movl %fs:720,%eax
  20 # 0 "" 2
  21 #NO_APP
  22         cmpl    %eax, %edx
  23         je      .L58
  24         movl    28(%rdi), %ebx
  25         movl    $128, %eax
  26         testl   %ebx, %ebx
  27         cmovne  %eax, %ebx
  28         movl    (%rdi), %eax
  29 .L18:
  30         leal    -8(%rax), %r9d
  31         movl    %r9d, %edx
  32         shrl    $3, %edx
  33         testl   %edx, %edx
  34         je      .L59
  35 .L16:
  36         lock cmpxchgl   %r9d, (%r8)
  37         movl    %eax, %ebp
  38         jne     .L18
  39         testb   $1, %r9b
  40         jne     .L60
  41 .L20:
  42         xorl    %ebp, %r9d
  43         andl    $4, %r9d
  44         je      .L14
  45         movl    %ebx, %esi
  46         xorl    %r10d, %r10d
  47         movl    $2147483647, %edx
  48         xorb    $-127, %sil
  49         movq    %r8, %rdi
  50         movl    $202, %eax
  51 #APP
  52 # 209 "../sysdeps/nptl/futex-internal.h" 1
  53         syscall
  54
  55 # 0 "" 2
  56 #NO_APP
  57         cmpq    $-4096, %rax
  58         ja      .L55
  59 .L14:
  60         addq    $8, %rsp
  61         xorl    %eax, %eax
  62         popq    %rbx
  63         popq    %rbp
  64         ret
  65         .p2align 4,,10
  66         .p2align 3
  67 .L59:
  68         movl    %r9d, %edx
  69         orl     $1, %edx
  70         testb   $2, %r9b
  71         cmovne  %edx, %r9d
  72         andl    $-5, %r9d
  73         jmp     .L16
  74         .p2align 4,,10
  75         .p2align 3
  76 .L60:
  77         leaq    8(%r8), %rdi
  78         movl    $1, %eax
  79         xchgl   (%rdi), %eax
  80         testb   $2, %al
  81         je      .L20
  82         movl    %ebx, %esi
  83         xorl    %r10d, %r10d
  84         movl    $2147483647, %edx
  85         xorb    $-127, %sil
  86         movl    $202, %eax
  87 #APP
  88 # 209 "../sysdeps/nptl/futex-internal.h" 1
  89         syscall
  90
  91 # 0 "" 2
  92 #NO_APP
  93         cmpq    $-4096, %rax
  94         jbe     .L20
  95         cmpl    $-22, %eax
  96         je      .L20
  97         cmpl    $-14, %eax
  98         je      .L20
  99         jmp     .L10
 100         .p2align 4,,10
 101         .p2align 3
 102 .L58:
 103         movl    28(%rdi), %ebp
 104         movl    $128, %eax
 105         leaq    12(%rdi), %rbx
 106         movl    $0, 24(%rdi)
 107         testl   %ebp, %ebp
 108         cmovne  %eax, %ebp
 109         xorl    %r9d, %r9d
 110         xchgl   (%rbx), %r9d
 111         movl    48(%rdi), %eax
 112         andl    $2, %r9d
 113         testl   %eax, %eax
 114         jne     .L4
 115 .L6:
 116         movl    (%r8), %eax
 117 .L5:
 118         movl    %eax, %edx
 119         movl    %eax, %ecx
 120         shrl    $3, %edx
 121         testl   %edx, %edx
 122         setne   %dl
 123         xorl    $2, %ecx
 124         movzbl  %dl, %edx
 125         xorl    %ecx, %edx
 126         lock cmpxchgl   %edx, (%r8)
 127         jne     .L5
 128         shrl    $3, %eax
 129         testl   %eax, %eax
 130         jne     .L61
 131 .L11:
 132         testl   %r9d, %r9d
 133         je      .L14
 134         movl    %ebp, %esi
 135         xorl    %r10d, %r10d
 136         movl    $1, %edx
 137         xorb    $-127, %sil
 138         movq    %rbx, %rdi
 139         movl    $202, %eax
 140 #APP
 141 # 209 "../sysdeps/nptl/futex-internal.h" 1
 142         syscall
 143
 144 # 0 "" 2
 145 #NO_APP
 146         cmpq    $-4096, %rax
 147         jbe     .L14
 148 .L55:
 149         cmpl    $-22, %eax
 150         je      .L14
 151         cmpl    $-14, %eax
 152         jne     .L10
 153         addq    $8, %rsp
 154         xorl    %eax, %eax
 155         popq    %rbx
 156         popq    %rbp
 157         ret
 158         .p2align 4,,10
 159         .p2align 3
 160 .L4:
 161         movl    4(%rdi), %eax
 162         leaq    4(%rdi), %rdx
 163 .L56:
 164         testl   %eax, %eax
 165         je      .L6
 166         movl    %eax, %ecx
 167         orl     $-2147483648, %ecx
 168         lock cmpxchgl   %ecx, (%rdx)
 169         je      .L11
 170         jmp     .L56
 171         .p2align 4,,10
 172         .p2align 3
 173 .L61:
 174         leaq    8(%r8), %rdi
 175         xorl    %eax, %eax
 176         xchgl   (%rdi), %eax
 177         testb   $2, %al
 178         je      .L11
 179         movl    %ebp, %esi
 180         xorl    %r10d, %r10d
 181         movl    $2147483647, %edx
 182         xorb    $-127, %sil
 183         movl    $202, %eax
 184 #APP
 185 # 209 "../sysdeps/nptl/futex-internal.h" 1
 186         syscall
 187
 188 # 0 "" 2
 189 #NO_APP
 190         cmpq    $-4096, %rax
 191         jbe     .L11
 192         cmpl    $-22, %eax
 193         je      .L11
 194         cmpl    $-14, %eax
 195         je      .L11
 196 .L10:
 197         leaq    .LC0(%rip), %rdi
 198         call    __libc_fatal@PLT
 199         .size   __GI___pthread_rwlock_unlock, .-__GI___pthread_rwlock_unlock
 200         .weak   pthread_rwlock_unlock
 201         .set    pthread_rwlock_unlock,__GI___pthread_rwlock_unlock
 202         .globl  __pthread_rwlock_unlock
 203         .set    __pthread_rwlock_unlock,__GI___pthread_rwlock_unlock