nptl/pthread_rwlock_clockwrlock.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_clockwrlock
   9         .type   __pthread_rwlock_clockwrlock, @function
  10 __pthread_rwlock_clockwrlock:
  11         testq   %rdx, %rdx
  12         je      .L2
  13         cmpl    $1, %esi
  14         ja      .L49
  15         cmpq    $999999999, 8(%rdx)
  16         ja      .L49
  17 .L2:
  18         movl    24(%rdi), %ecx
  19 #APP
  20 # 603 "pthread_rwlock_common.c" 1
  21         movl %fs:720,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         cmpl    %eax, %ecx
  25         je      .L50
  26         pushq   %r15
  27         pushq   %r14
  28         pushq   %r13
  29         pushq   %r12
  30         pushq   %rbp
  31         pushq   %rbx
  32         subq    $24, %rsp
  33         movl    (%rdi), %eax
  34 .L4:
  35         movl    %eax, %ecx
  36         movl    %eax, %r8d
  37         orl     $2, %ecx
  38         lock cmpxchgl   %ecx, (%rdi)
  39         jne     .L4
  40         testb   $2, %r8b
  41         movq    %rdx, %rbp
  42         movl    %esi, %r12d
  43         movq    %rdi, %rbx
  44         leaq    12(%rdi), %r13
  45         movl    $1, %eax
  46         jne     .L118
  47 .L5:
  48         testb   $1, %r8b
  49         movl    %eax, 12(%rbx)
  50         jne     .L23
  51 .L21:
  52         movl    %r8d, %eax
  53         shrl    $3, %eax
  54         testl   %eax, %eax
  55         jne     .L26
  56         movl    %r8d, %edx
  57         movl    %r8d, %eax
  58         orl     $1, %edx
  59         lock cmpxchgl   %edx, (%rbx)
  60         movl    %eax, %r8d
  61         jne     .L22
  62         movl    $1, 8(%rbx)
  63 .L23:
  64 #APP
  65 # 947 "pthread_rwlock_common.c" 1
  66         movl %fs:720,%eax
  67 # 0 "" 2
  68 #NO_APP
  69         movl    %eax, 24(%rbx)
  70         xorl    %r8d, %r8d
  71 .L1:
  72         addq    $24, %rsp
  73         movl    %r8d, %eax
  74         popq    %rbx
  75         popq    %rbp
  76         popq    %r12
  77         popq    %r13
  78         popq    %r14
  79         popq    %r15
  80         ret
  81         .p2align 4,,10
  82         .p2align 3
  83 .L49:
  84         movl    $22, %r8d
  85 .L113:
  86         movl    %r8d, %eax
  87         ret
  88         .p2align 4,,10
  89         .p2align 3
  90 .L50:
  91         movl    $35, %r8d
  92         jmp     .L113
  93         .p2align 4,,10
  94         .p2align 3
  95 .L118:
  96         movl    48(%rdi), %r14d
  97         testl   %r14d, %r14d
  98         jne     .L119
  99 .L6:
 100         xorl    %edx, %edx
 101         movl    $128, %r15d
 102 .L7:
 103         testb   $2, %r8b
 104         jne     .L8
 105         movl    %r8d, %ecx
 106         movl    %r8d, %eax
 107         orl     $2, %ecx
 108         lock cmpxchgl   %ecx, (%rbx)
 109         movl    %eax, %r8d
 110         jne     .L7
 111         testl   %r14d, %r14d
 112         jne     .L120
 113 .L10:
 114         orl     $2, %r8d
 115         cmpb    $1, %dl
 116         sbbl    %eax, %eax
 117         andl    $-2, %eax
 118         addl    $3, %eax
 119         jmp     .L5
 120         .p2align 4,,10
 121         .p2align 3
 122 .L8:
 123         testl   %r14d, %r14d
 124         jne     .L121
 125 .L11:
 126         movl    28(%rbx), %r8d
 127         movl    0(%r13), %eax
 128         testl   %r8d, %r8d
 129         movl    %eax, %ecx
 130         cmovne  %r15d, %r8d
 131         andl    $-3, %ecx
 132         cmpl    $1, %ecx
 133         jne     .L15
 134         cmpl    $3, %eax
 135         je      .L14
 136         movl    $3, %ecx
 137         lock cmpxchgl   %ecx, 0(%r13)
 138         jne     .L15
 139 .L14:
 140         movq    %rbp, %rcx
 141         movl    %r12d, %edx
 142         movl    $3, %esi
 143         movq    %r13, %rdi
 144         call    __futex_abstimed_wait64@PLT
 145         cmpl    $110, %eax
 146         movl    %eax, %r8d
 147         je      .L56
 148         cmpl    $75, %eax
 149         je      .L56
 150         movl    (%rbx), %r8d
 151         movl    $1, %edx
 152         jmp     .L7
 153 .L22:
 154         testb   $1, %al
 155         je      .L21
 156         .p2align 4,,10
 157         .p2align 3
 158 .L26:
 159         leaq    8(%rbx), %r14
 160         movb    $0, 15(%rsp)
 161         .p2align 4,,10
 162         .p2align 3
 163 .L24:
 164         movl    (%r14), %eax
 165         movl    %eax, %edx
 166         orl     $2, %edx
 167         cmpl    $2, %edx
 168         je      .L46
 169         cmpb    $0, 15(%rsp)
 170         jne     .L23
 171         movl    (%rbx), %eax
 172         testb   $1, %al
 173         je      .L24
 174         movl    (%r14), %eax
 175         movl    %eax, %edx
 176         orl     $2, %edx
 177         cmpl    $2, %edx
 178         jne     .L23
 179         movb    $1, 15(%rsp)
 180 .L46:
 181         movl    28(%rbx), %r15d
 182         movl    $128, %edx
 183         testl   %r15d, %r15d
 184         cmovne  %edx, %r15d
 185         testb   $2, %al
 186         jne     .L31
 187         movl    $2, %edx
 188         lock cmpxchgl   %edx, (%r14)
 189         jne     .L24
 190 .L31:
 191         movl    %r15d, %r8d
 192         movq    %rbp, %rcx
 193         movl    %r12d, %edx
 194         movl    $2, %esi
 195         movq    %r14, %rdi
 196         call    __futex_abstimed_wait64@PLT
 197         cmpl    $110, %eax
 198         movl    %eax, %r8d
 199         je      .L29
 200         cmpl    $75, %eax
 201         jne     .L24
 202 .L29:
 203         movl    48(%rbx), %eax
 204         testl   %eax, %eax
 205         je      .L33
 206         movl    4(%rbx), %eax
 207         leaq    4(%rbx), %rdx
 208         testl   %eax, %eax
 209         jne     .L122
 210 .L33:
 211         movl    (%rbx), %eax
 212         movl    %eax, %edx
 213         andl    $1, %edx
 214         jne     .L45
 215         xchgl   0(%r13), %edx
 216 .L44:
 217         movl    %eax, %ecx
 218         xorl    $2, %ecx
 219         andl    $-5, %ecx
 220         lock cmpxchgl   %ecx, (%rbx)
 221         movl    %eax, %r8d
 222         jne     .L39
 223         andl    $2, %edx
 224         je      .L41
 225         movl    %r15d, %esi
 226         xorl    %r10d, %r10d
 227         movl    $1, %edx
 228         xorb    $-127, %sil
 229         movq    %r13, %rdi
 230         movl    $202, %eax
 231 #APP
 232 # 209 "../sysdeps/nptl/futex-internal.h" 1
 233         syscall
 234
 235 # 0 "" 2
 236 #NO_APP
 237         cmpq    $-4096, %rax
 238         ja      .L123
 239 .L41:
 240         andl    $4, %r8d
 241         je      .L54
 242         movl    %r15d, %esi
 243         xorl    %r10d, %r10d
 244         movl    $2147483647, %edx
 245         xorb    $-127, %sil
 246         movq    %rbx, %rdi
 247         movl    $202, %eax
 248 #APP
 249 # 209 "../sysdeps/nptl/futex-internal.h" 1
 250         syscall
 251
 252 # 0 "" 2
 253 #NO_APP
 254         cmpq    $-4096, %rax
 255         ja      .L124
 256 .L54:
 257         movl    $110, %r8d
 258         jmp     .L1
 259 .L39:
 260         testb   $1, %al
 261         je      .L44
 262         movl    %edx, 12(%rbx)
 263         .p2align 4,,10
 264         .p2align 3
 265 .L45:
 266         movl    (%r14), %eax
 267         orl     $2, %eax
 268         cmpl    $2, %eax
 269         jne     .L23
 270         movl    (%r14), %eax
 271         orl     $2, %eax
 272         cmpl    $2, %eax
 273         je      .L45
 274         jmp     .L23
 275         .p2align 4,,10
 276         .p2align 3
 277 .L120:
 278         lock subl       $1, 4(%rbx)
 279         jmp     .L10
 280         .p2align 4,,10
 281         .p2align 3
 282 .L121:
 283         movl    4(%rbx), %eax
 284         leaq    4(%rbx), %rcx
 285         testl   %eax, %eax
 286         jns     .L11
 287         leal    2147483647(%rax), %esi
 288         lock cmpxchgl   %esi, (%rcx)
 289         jne     .L7
 290         movl    (%rbx), %r8d
 291         jmp     .L10
 292         .p2align 4,,10
 293         .p2align 3
 294 .L15:
 295         movl    (%rbx), %r8d
 296         jmp     .L7
 297         .p2align 4,,10
 298         .p2align 3
 299 .L119:
 300         lock addl       $1, 4(%rdi)
 301         jmp     .L6
 302 .L124:
 303         cmpl    $-22, %eax
 304         je      .L54
 305         cmpl    $-14, %eax
 306         je      .L54
 307 .L36:
 308         leaq    .LC0(%rip), %rdi
 309         call    __libc_fatal@PLT
 310         .p2align 4,,10
 311         .p2align 3
 312 .L122:
 313         xorl    %ecx, %ecx
 314         xchgl   0(%r13), %ecx
 315 .L37:
 316         movl    %eax, %esi
 317         orl     $-2147483648, %esi
 318         lock cmpxchgl   %esi, (%rdx)
 319         jne     .L35
 320         andl    $2, %ecx
 321         je      .L1
 322         movl    %r15d, %esi
 323         xorl    %r10d, %r10d
 324         movl    $1, %edx
 325         xorb    $-127, %sil
 326         movq    %r13, %rdi
 327         movl    $202, %eax
 328 #APP
 329 # 209 "../sysdeps/nptl/futex-internal.h" 1
 330         syscall
 331
 332 # 0 "" 2
 333 #NO_APP
 334         cmpq    $-4096, %rax
 335         jbe     .L1
 336         cmpl    $-22, %eax
 337         je      .L1
 338         cmpl    $-14, %eax
 339         je      .L1
 340         jmp     .L36
 341         .p2align 4,,10
 342         .p2align 3
 343 .L123:
 344         cmpl    $-22, %eax
 345         je      .L41
 346         cmpl    $-14, %eax
 347         je      .L41
 348         jmp     .L36
 349         .p2align 4,,10
 350         .p2align 3
 351 .L56:
 352         testl   %r14d, %r14d
 353         je      .L1
 354         movl    4(%rbx), %eax
 355         leaq    4(%rbx), %rdx
 356 .L19:
 357         cmpl    $-2147483647, %eax
 358         je      .L52
 359         leal    -1(%rax), %ecx
 360 .L18:
 361         lock cmpxchgl   %ecx, (%rdx)
 362         jne     .L19
 363         cmpl    $-2147483647, %eax
 364         jne     .L1
 365         movl    (%rbx), %r8d
 366         movl    $3, %eax
 367         orl     $2, %r8d
 368         jmp     .L5
 369 .L52:
 370         xorl    %ecx, %ecx
 371         jmp     .L18
 372 .L35:
 373         testl   %eax, %eax
 374         jne     .L37
 375         movl    %ecx, 12(%rbx)
 376         jmp     .L33
 377         .size   __pthread_rwlock_clockwrlock, .-__pthread_rwlock_clockwrlock
 378         .weak   pthread_rwlock_clockwrlock
 379         .set    pthread_rwlock_clockwrlock,__pthread_rwlock_clockwrlock