nptl/pthread_cond_signal.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_cond_signal
   9         .type   __pthread_cond_signal, @function
  10 __pthread_cond_signal:
  11         pushq   %r15
  12         pushq   %r14
  13         pushq   %r13
  14         pushq   %r12
  15         pushq   %rbp
  16         pushq   %rbx
  17         subq    $40, %rsp
  18         movl    36(%rdi), %ebp
  19         movl    %ebp, %eax
  20         shrl    $3, %eax
  21         testl   %eax, %eax
  22         je      .L49
  23         movl    $128, %eax
  24         andl    $1, %ebp
  25         leaq    32(%rdi), %rbx
  26         cmovne  %eax, %ebp
  27         movl    32(%rdi), %eax
  28         movq    %rdi, %r9
  29 .L4:
  30         testb   $3, %al
  31         jne     .L77
  32         movl    %eax, %edx
  33         orl     $1, %edx
  34         lock cmpxchgl   %edx, (%rbx)
  35         jne     .L4
  36 .L5:
  37         movq    (%r9), %rax
  38         leaq    40(%r9), %r12
  39         movq    %rax, %rdx
  40         notq    %rdx
  41         andl    $1, %edx
  42         leaq    4(%rdx), %rcx
  43         movl    %edx, %r8d
  44         movl    8(%r9,%rcx,4), %ecx
  45         testl   %ecx, %ecx
  46         jne     .L16
  47         movq    %rax, %rsi
  48         shrq    %rax
  49         andl    $1, %esi
  50         movq    %rsi, (%rsp)
  51         movl    32(%r9), %ecx
  52         leaq    (%r9,%rsi,4), %r15
  53         movl    %ecx, %edi
  54         shrl    $2, %edi
  55         movl    %edi, 12(%rsp)
  56         movq    8(%r9), %rcx
  57         addl    24(%r15), %eax
  58         shrq    %rcx
  59         movq    %rcx, 16(%rsp)
  60         subl    %edi, %eax
  61         cmpl    %eax, %ecx
  62         jne     .L78
  63 .L17:
  64         movl    32(%r9), %eax
  65 .L30:
  66         movl    %eax, %ecx
  67         movl    %eax, %edx
  68         andl    $-4, %ecx
  69         lock cmpxchgl   %ecx, (%rbx)
  70         jne     .L30
  71         andl    $3, %edx
  72         xorl    %r12d, %r12d
  73         cmpl    $2, %edx
  74         jne     .L49
  75 .L31:
  76         movl    %ebp, %esi
  77         xorl    %r10d, %r10d
  78         movl    $1, %edx
  79         xorb    $-127, %sil
  80         movq    %rbx, %rdi
  81         movl    $202, %eax
  82 #APP
  83 # 209 "../sysdeps/nptl/futex-internal.h" 1
  84         syscall
  85
  86 # 0 "" 2
  87 #NO_APP
  88         cmpq    $-4096, %rax
  89         ja      .L79
  90 .L28:
  91         testb   %r12b, %r12b
  92         jne     .L80
  93 .L49:
  94         addq    $40, %rsp
  95         xorl    %eax, %eax
  96         popq    %rbx
  97         popq    %rbp
  98         popq    %r12
  99         popq    %r13
 100         popq    %r14
 101         popq    %r15
 102         ret
 103         .p2align 4,,10
 104         .p2align 3
 105 .L19:
 106         cmpq    $1, (%rsp)
 107         movq    8(%r9), %rcx
 108         movl    12(%rsp), %eax
 109         sbbl    %edx, %edx
 110         andl    $2, %edx
 111         leal    -1(%rdx,%rax,2), %eax
 112         addq    %rcx, %rax
 113         movq    %rax, 8(%r9)
 114         movq    24(%rsp), %rax
 115         movl    $0, (%rax)
 116         movq    (%r9), %rax
 117 .L24:
 118         movq    %rax, %rcx
 119         movq    %rax, %rdx
 120         xorq    $1, %rcx
 121         lock cmpxchgq   %rcx, (%r9)
 122         jne     .L24
 123         movq    %rdx, %rax
 124         movl    12(%rsp), %edx
 125         addl    16(%rsp), %edx
 126         shrq    %rax
 127         subl    %edx, %eax
 128         movl    32(%r9), %edx
 129         leal    0(,%rax,4), %ecx
 130         andl    $3, %edx
 131         orl     %ecx, %edx
 132         movl    %edx, %esi
 133         xchgl   (%rbx), %esi
 134         xorl    %esi, %edx
 135         andl    $3, %edx
 136         je      .L25
 137         orl     $2, %ecx
 138         movl    %ecx, 32(%r9)
 139 .L25:
 140         addl    24(%r15), %eax
 141         movl    (%rsp), %r8d
 142         testl   %eax, %eax
 143         movl    %eax, 24(%r15)
 144         je      .L17
 145         .p2align 4,,10
 146         .p2align 3
 147 .L16:
 148         movl    %r8d, %eax
 149         salq    $2, %rax
 150         leaq    (%r12,%rax), %rdi
 151         lock addl       $2, (%rdi)
 152         subl    $1, 24(%r9,%rax)
 153         movl    32(%r9), %eax
 154 .L26:
 155         movl    %eax, %ecx
 156         movl    %eax, %edx
 157         andl    $-4, %ecx
 158         lock cmpxchgl   %ecx, (%rbx)
 159         jne     .L26
 160         andl    $3, %edx
 161         cmpl    $2, %edx
 162         je      .L81
 163 .L27:
 164         movl    %ebp, %esi
 165         xorl    %r10d, %r10d
 166         movl    $1, %edx
 167         xorb    $-127, %sil
 168         movl    $202, %eax
 169 #APP
 170 # 209 "../sysdeps/nptl/futex-internal.h" 1
 171         syscall
 172
 173 # 0 "" 2
 174 #NO_APP
 175         cmpq    $-4096, %rax
 176         jbe     .L49
 177         cmpl    $-22, %eax
 178         je      .L49
 179         cmpl    $-14, %eax
 180         je      .L49
 181         jmp     .L13
 182         .p2align 4,,10
 183         .p2align 3
 184 .L78:
 185         leaq    40(%r9), %r12
 186         salq    $2, %rdx
 187         leaq    (%r12,%rdx), %rax
 188         movq    %rax, 24(%rsp)
 189         lock orl        $1, (%rax)
 190         leaq    16(%r9,%rdx), %r8
 191         movl    (%r8), %eax
 192 .L18:
 193         movl    %eax, %edx
 194         lock cmpxchgl   %eax, (%r8)
 195         jne     .L18
 196         shrl    %edx
 197         je      .L19
 198         movl    %ebp, %r14d
 199         movl    $202, %r13d
 200         xorb    $-128, %r14b
 201         jmp     .L22
 202         .p2align 4,,10
 203         .p2align 3
 204 .L21:
 205         movl    (%r8), %eax
 206         shrl    %eax
 207         je      .L19
 208 .L22:
 209         movl    (%r8), %eax
 210 .L20:
 211         movl    %eax, %ecx
 212         orl     $1, %ecx
 213         lock cmpxchgl   %ecx, (%r8)
 214         jne     .L20
 215         movl    %ecx, %eax
 216         movl    %ecx, %edx
 217         shrl    %eax
 218         je      .L21
 219         xorl    %r10d, %r10d
 220         movl    %r14d, %esi
 221         movq    %r8, %rdi
 222         movl    %r13d, %eax
 223 #APP
 224 # 146 "../sysdeps/nptl/futex-internal.h" 1
 225         syscall
 226
 227 # 0 "" 2
 228 #NO_APP
 229         cmpq    $-4096, %rax
 230         jbe     .L21
 231         leal    11(%rax), %ecx
 232         cmpl    $11, %ecx
 233         ja      .L13
 234         movl    $1, %eax
 235         salq    %cl, %rax
 236         testl   $2177, %eax
 237         jne     .L21
 238         jmp     .L13
 239         .p2align 4,,10
 240         .p2align 3
 241 .L79:
 242         cmpl    $-22, %eax
 243         je      .L28
 244         cmpl    $-14, %eax
 245         je      .L28
 246         jmp     .L13
 247         .p2align 4,,10
 248         .p2align 3
 249 .L81:
 250         movl    $1, %r12d
 251         jmp     .L31
 252         .p2align 4,,10
 253         .p2align 3
 254 .L77:
 255         movl    %ebp, %r12d
 256         movl    $202, %r8d
 257         movl    $1, %r13d
 258         xorb    $-128, %r12b
 259         .p2align 4,,10
 260         .p2align 3
 261 .L7:
 262         movl    %eax, %edx
 263         movl    %eax, %ecx
 264         andl    $-4, %edx
 265         andl    $3, %ecx
 266         orl     $2, %edx
 267         cmpl    $2, %ecx
 268         je      .L9
 269         lock cmpxchgl   %edx, (%rbx)
 270         jne     .L7
 271         testb   $3, %al
 272         je      .L5
 273         andl    $-4, %eax
 274         orl     $2, %eax
 275         movl    %eax, %edx
 276 .L9:
 277         xorl    %r10d, %r10d
 278         movl    %r12d, %esi
 279         movq    %rbx, %rdi
 280         movl    %r8d, %eax
 281 #APP
 282 # 146 "../sysdeps/nptl/futex-internal.h" 1
 283         syscall
 284
 285 # 0 "" 2
 286 #NO_APP
 287         cmpq    $-4096, %rax
 288         ja      .L82
 289 .L11:
 290         movl    (%rbx), %eax
 291         jmp     .L7
 292         .p2align 4,,10
 293         .p2align 3
 294 .L82:
 295         leal    11(%rax), %ecx
 296         cmpl    $11, %ecx
 297         ja      .L13
 298         movq    %r13, %rax
 299         salq    %cl, %rax
 300         testl   $2177, %eax
 301         jne     .L11
 302 .L13:
 303         leaq    .LC0(%rip), %rdi
 304         call    __libc_fatal@PLT
 305 .L80:
 306         leaq    40(%r9,%r8,4), %rdi
 307         jmp     .L27
 308         .size   __pthread_cond_signal, .-__pthread_cond_signal
 309         .weak   pthread_cond_signal
 310         .set    pthread_cond_signal,__pthread_cond_signal