nptl/pthread_rwlock_clockrdlock.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  __pthread_rwlock_clockrdlock
   9         .type   __pthread_rwlock_clockrdlock, @function
  10 __pthread_rwlock_clockrdlock:
  11         testq   %rdx, %rdx
  12         je      .L2
  13         cmpl    $1, %esi
  14         ja      .L31
  15         cmpq    $999999999, 8(%rdx)
  16         ja      .L31
  17 .L2:
  18         movl    24(%rdi), %ecx
  19 #APP
  20 # 298 "pthread_rwlock_common.c" 1
  21         movl %fs:720,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         cmpl    %eax, %ecx
  25         je      .L32
  26         pushq   %r14
  27         pushq   %r13
  28         pushq   %r12
  29         pushq   %rbp
  30         movl    %esi, %r12d
  31         pushq   %rbx
  32         cmpl    $2, 48(%rdi)
  33         movq    %rdx, %rbp
  34         movq    %rdi, %rbx
  35         je      .L4
  36 .L11:
  37         movl    $8, %eax
  38         lock xaddl      %eax, (%rbx)
  39         addl    $8, %eax
  40 .L5:
  41         testl   %eax, %eax
  42         js      .L13
  43         testb   $1, %al
  44         jne     .L14
  45 .L35:
  46         xorl    %edx, %edx
  47 .L1:
  48         popq    %rbx
  49         movl    %edx, %eax
  50         popq    %rbp
  51         popq    %r12
  52         popq    %r13
  53         popq    %r14
  54         ret
  55         .p2align 4,,10
  56         .p2align 3
  57 .L4:
  58         movl    (%rdi), %esi
  59         movl    $128, %r13d
  60 .L8:
  61         movl    %esi, %eax
  62         andl    $3, %eax
  63         cmpl    $2, %eax
  64         jne     .L11
  65         movl    %esi, %eax
  66         shrl    $3, %eax
  67         testl   %eax, %eax
  68         je      .L11
  69         movl    %esi, %edx
  70         movl    %esi, %eax
  71         orl     $4, %edx
  72         lock cmpxchgl   %edx, (%rbx)
  73         movl    %eax, %esi
  74         je      .L7
  75         jmp     .L8
  76         .p2align 4,,10
  77         .p2align 3
  78 .L62:
  79         cmpl    $75, %eax
  80         je      .L1
  81 .L7:
  82         movl    (%rbx), %esi
  83         testb   $4, %sil
  84         je      .L8
  85         movl    28(%rbx), %r8d
  86         movl    %r12d, %edx
  87         movq    %rbp, %rcx
  88         movq    %rbx, %rdi
  89         testl   %r8d, %r8d
  90         cmovne  %r13d, %r8d
  91         call    __GI___futex_abstimed_wait64
  92         cmpl    $110, %eax
  93         movl    %eax, %edx
  94         jne     .L62
  95         popq    %rbx
  96         movl    %edx, %eax
  97         popq    %rbp
  98         popq    %r12
  99         popq    %r13
 100         popq    %r14
 101         ret
 102         .p2align 4,,10
 103         .p2align 3
 104 .L13:
 105         leal    -8(%rax), %edx
 106         lock cmpxchgl   %edx, (%rbx)
 107         jne     .L5
 108         movl    $11, %edx
 109         jmp     .L1
 110         .p2align 4,,10
 111         .p2align 3
 112 .L31:
 113         movl    $22, %edx
 114 .L57:
 115         movl    %edx, %eax
 116         ret
 117         .p2align 4,,10
 118         .p2align 3
 119 .L32:
 120         movl    $35, %edx
 121         jmp     .L57
 122         .p2align 4,,10
 123         .p2align 3
 124 .L14:
 125         movl    %eax, %edx
 126         andl    $3, %edx
 127         cmpl    $1, %edx
 128         jne     .L63
 129         movl    %eax, %edx
 130         xorl    $1, %edx
 131         lock cmpxchgl   %edx, (%rbx)
 132         jne     .L14
 133         leaq    8(%rbx), %rdi
 134         xorl    %eax, %eax
 135         xchgl   (%rdi), %eax
 136         testb   $2, %al
 137         je      .L35
 138         cmpl    $1, 28(%rbx)
 139         movl    $2147483647, %edx
 140         movl    $202, %eax
 141         sbbl    %esi, %esi
 142         xorl    %r10d, %r10d
 143         andl    $128, %esi
 144         addl    $1, %esi
 145 #APP
 146 # 209 "../sysdeps/nptl/futex-internal.h" 1
 147         syscall
 148
 149 # 0 "" 2
 150 #NO_APP
 151         cmpq    $-4096, %rax
 152         jbe     .L35
 153         cmpl    $-22, %eax
 154         je      .L35
 155         cmpl    $-14, %eax
 156         je      .L35
 157         leaq    .LC0(%rip), %rdi
 158         call    __libc_fatal@PLT
 159         .p2align 4,,10
 160         .p2align 3
 161 .L63:
 162         leaq    8(%rbx), %r13
 163         xorl    %r14d, %r14d
 164 .L19:
 165         movl    0(%r13), %eax
 166         movl    %eax, %edx
 167         orl     $2, %edx
 168         cmpl    $3, %edx
 169         je      .L28
 170         testb   %r14b, %r14b
 171         jne     .L35
 172         movl    (%rbx), %eax
 173         testb   $1, %al
 174         jne     .L19
 175         movl    0(%r13), %eax
 176         movl    %eax, %edx
 177         orl     $2, %edx
 178         cmpl    $3, %edx
 179         jne     .L35
 180         movl    $1, %r14d
 181 .L28:
 182         movl    28(%rbx), %r8d
 183         movl    $128, %edx
 184         testl   %r8d, %r8d
 185         cmovne  %edx, %r8d
 186         testb   $2, %al
 187         jne     .L24
 188         movl    $3, %edx
 189         lock cmpxchgl   %edx, 0(%r13)
 190         jne     .L19
 191 .L24:
 192         movl    %r12d, %edx
 193         movq    %rbp, %rcx
 194         movl    $3, %esi
 195         movq    %r13, %rdi
 196         call    __GI___futex_abstimed_wait64
 197         cmpl    $110, %eax
 198         movl    %eax, %edx
 199         je      .L22
 200         cmpl    $75, %eax
 201         jne     .L19
 202 .L22:
 203         movl    (%rbx), %eax
 204 .L25:
 205         testb   $1, %al
 206         je      .L27
 207         leal    -8(%rax), %ecx
 208         lock cmpxchgl   %ecx, (%rbx)
 209         je      .L1
 210         jmp     .L25
 211         .p2align 4,,10
 212         .p2align 3
 213 .L27:
 214         movl    0(%r13), %eax
 215         orl     $2, %eax
 216         cmpl    $3, %eax
 217         je      .L27
 218         jmp     .L35
 219         .size   __pthread_rwlock_clockrdlock, .-__pthread_rwlock_clockrdlock
 220         .weak   pthread_rwlock_clockrdlock
 221         .set    pthread_rwlock_clockrdlock,__pthread_rwlock_clockrdlock