nptl/pthread_cond_signal.shared.s

   1         .text
   2 #APP
   3         .symver __pthread_cond_signal,pthread_cond_signal@@GLIBC_2.3.2
   4         .section        .rodata.str1.8,"aMS",@progbits,1
   5         .align 8
   6 .LC0:
   7         .string "The futex facility returned an unexpected error code.\n"
   8 #NO_APP
   9         .text
  10         .p2align 4,,15
  11         .globl  __pthread_cond_signal
  12         .type   __pthread_cond_signal, @function
  13 __pthread_cond_signal:
  14         pushq   %r15
  15         pushq   %r14
  16         pushq   %r13
  17         pushq   %r12
  18         pushq   %rbp
  19         pushq   %rbx
  20         subq    $40, %rsp
  21         movl    36(%rdi), %ebp
  22         movl    %ebp, %eax
  23         shrl    $3, %eax
  24         testl   %eax, %eax
  25         je      .L49
  26         movl    $128, %eax
  27         andl    $1, %ebp
  28         leaq    32(%rdi), %rbx
  29         cmovne  %eax, %ebp
  30         movl    32(%rdi), %eax
  31         movq    %rdi, %r9
  32 .L4:
  33         testb   $3, %al
  34         jne     .L77
  35         movl    %eax, %edx
  36         orl     $1, %edx
  37         lock cmpxchgl   %edx, (%rbx)
  38         jne     .L4
  39 .L5:
  40         movq    (%r9), %rax
  41         leaq    40(%r9), %r12
  42         movq    %rax, %rdx
  43         notq    %rdx
  44         andl    $1, %edx
  45         leaq    4(%rdx), %rcx
  46         movl    %edx, %r8d
  47         movl    8(%r9,%rcx,4), %ecx
  48         testl   %ecx, %ecx
  49         jne     .L16
  50         movq    %rax, %rsi
  51         shrq    %rax
  52         andl    $1, %esi
  53         movq    %rsi, (%rsp)
  54         movl    32(%r9), %ecx
  55         leaq    (%r9,%rsi,4), %r15
  56         movl    %ecx, %edi
  57         shrl    $2, %edi
  58         movl    %edi, 12(%rsp)
  59         movq    8(%r9), %rcx
  60         addl    24(%r15), %eax
  61         shrq    %rcx
  62         movq    %rcx, 16(%rsp)
  63         subl    %edi, %eax
  64         cmpl    %eax, %ecx
  65         jne     .L78
  66 .L17:
  67         movl    32(%r9), %eax
  68 .L30:
  69         movl    %eax, %ecx
  70         movl    %eax, %edx
  71         andl    $-4, %ecx
  72         lock cmpxchgl   %ecx, (%rbx)
  73         jne     .L30
  74         andl    $3, %edx
  75         xorl    %r12d, %r12d
  76         cmpl    $2, %edx
  77         jne     .L49
  78 .L31:
  79         movl    %ebp, %esi
  80         xorl    %r10d, %r10d
  81         movl    $1, %edx
  82         xorb    $-127, %sil
  83         movq    %rbx, %rdi
  84         movl    $202, %eax
  85 #APP
  86 # 209 "../sysdeps/nptl/futex-internal.h" 1
  87         syscall
  88
  89 # 0 "" 2
  90 #NO_APP
  91         cmpq    $-4096, %rax
  92         ja      .L79
  93 .L28:
  94         testb   %r12b, %r12b
  95         jne     .L80
  96 .L49:
  97         addq    $40, %rsp
  98         xorl    %eax, %eax
  99         popq    %rbx
 100         popq    %rbp
 101         popq    %r12
 102         popq    %r13
 103         popq    %r14
 104         popq    %r15
 105         ret
 106         .p2align 4,,10
 107         .p2align 3
 108 .L19:
 109         cmpq    $1, (%rsp)
 110         movq    8(%r9), %rcx
 111         movl    12(%rsp), %eax
 112         sbbl    %edx, %edx
 113         andl    $2, %edx
 114         leal    -1(%rdx,%rax,2), %eax
 115         addq    %rcx, %rax
 116         movq    %rax, 8(%r9)
 117         movq    24(%rsp), %rax
 118         movl    $0, (%rax)
 119         movq    (%r9), %rax
 120 .L24:
 121         movq    %rax, %rcx
 122         movq    %rax, %rdx
 123         xorq    $1, %rcx
 124         lock cmpxchgq   %rcx, (%r9)
 125         jne     .L24
 126         movq    %rdx, %rax
 127         movl    12(%rsp), %edx
 128         addl    16(%rsp), %edx
 129         shrq    %rax
 130         subl    %edx, %eax
 131         movl    32(%r9), %edx
 132         leal    0(,%rax,4), %ecx
 133         andl    $3, %edx
 134         orl     %ecx, %edx
 135         movl    %edx, %esi
 136         xchgl   (%rbx), %esi
 137         xorl    %esi, %edx
 138         andl    $3, %edx
 139         je      .L25
 140         orl     $2, %ecx
 141         movl    %ecx, 32(%r9)
 142 .L25:
 143         addl    24(%r15), %eax
 144         movl    (%rsp), %r8d
 145         testl   %eax, %eax
 146         movl    %eax, 24(%r15)
 147         je      .L17
 148         .p2align 4,,10
 149         .p2align 3
 150 .L16:
 151         movl    %r8d, %eax
 152         salq    $2, %rax
 153         leaq    (%r12,%rax), %rdi
 154         lock addl       $2, (%rdi)
 155         subl    $1, 24(%r9,%rax)
 156         movl    32(%r9), %eax
 157 .L26:
 158         movl    %eax, %ecx
 159         movl    %eax, %edx
 160         andl    $-4, %ecx
 161         lock cmpxchgl   %ecx, (%rbx)
 162         jne     .L26
 163         andl    $3, %edx
 164         cmpl    $2, %edx
 165         je      .L81
 166 .L27:
 167         movl    %ebp, %esi
 168         xorl    %r10d, %r10d
 169         movl    $1, %edx
 170         xorb    $-127, %sil
 171         movl    $202, %eax
 172 #APP
 173 # 209 "../sysdeps/nptl/futex-internal.h" 1
 174         syscall
 175
 176 # 0 "" 2
 177 #NO_APP
 178         cmpq    $-4096, %rax
 179         jbe     .L49
 180         cmpl    $-22, %eax
 181         je      .L49
 182         cmpl    $-14, %eax
 183         je      .L49
 184         jmp     .L13
 185         .p2align 4,,10
 186         .p2align 3
 187 .L78:
 188         leaq    40(%r9), %r12
 189         salq    $2, %rdx
 190         leaq    (%r12,%rdx), %rax
 191         movq    %rax, 24(%rsp)
 192         lock orl        $1, (%rax)
 193         leaq    16(%r9,%rdx), %r8
 194         movl    (%r8), %eax
 195 .L18:
 196         movl    %eax, %edx
 197         lock cmpxchgl   %eax, (%r8)
 198         jne     .L18
 199         shrl    %edx
 200         je      .L19
 201         movl    %ebp, %r14d
 202         movl    $202, %r13d
 203         xorb    $-128, %r14b
 204         jmp     .L22
 205         .p2align 4,,10
 206         .p2align 3
 207 .L21:
 208         movl    (%r8), %eax
 209         shrl    %eax
 210         je      .L19
 211 .L22:
 212         movl    (%r8), %eax
 213 .L20:
 214         movl    %eax, %ecx
 215         orl     $1, %ecx
 216         lock cmpxchgl   %ecx, (%r8)
 217         jne     .L20
 218         movl    %ecx, %eax
 219         movl    %ecx, %edx
 220         shrl    %eax
 221         je      .L21
 222         xorl    %r10d, %r10d
 223         movl    %r14d, %esi
 224         movq    %r8, %rdi
 225         movl    %r13d, %eax
 226 #APP
 227 # 146 "../sysdeps/nptl/futex-internal.h" 1
 228         syscall
 229
 230 # 0 "" 2
 231 #NO_APP
 232         cmpq    $-4096, %rax
 233         jbe     .L21
 234         leal    11(%rax), %ecx
 235         cmpl    $11, %ecx
 236         ja      .L13
 237         movl    $1, %eax
 238         salq    %cl, %rax
 239         testl   $2177, %eax
 240         jne     .L21
 241         jmp     .L13
 242         .p2align 4,,10
 243         .p2align 3
 244 .L79:
 245         cmpl    $-22, %eax
 246         je      .L28
 247         cmpl    $-14, %eax
 248         je      .L28
 249         jmp     .L13
 250         .p2align 4,,10
 251         .p2align 3
 252 .L81:
 253         movl    $1, %r12d
 254         jmp     .L31
 255         .p2align 4,,10
 256         .p2align 3
 257 .L77:
 258         movl    %ebp, %r12d
 259         movl    $202, %r8d
 260         movl    $1, %r13d
 261         xorb    $-128, %r12b
 262         .p2align 4,,10
 263         .p2align 3
 264 .L7:
 265         movl    %eax, %edx
 266         movl    %eax, %ecx
 267         andl    $-4, %edx
 268         andl    $3, %ecx
 269         orl     $2, %edx
 270         cmpl    $2, %ecx
 271         je      .L9
 272         lock cmpxchgl   %edx, (%rbx)
 273         jne     .L7
 274         testb   $3, %al
 275         je      .L5
 276         andl    $-4, %eax
 277         orl     $2, %eax
 278         movl    %eax, %edx
 279 .L9:
 280         xorl    %r10d, %r10d
 281         movl    %r12d, %esi
 282         movq    %rbx, %rdi
 283         movl    %r8d, %eax
 284 #APP
 285 # 146 "../sysdeps/nptl/futex-internal.h" 1
 286         syscall
 287
 288 # 0 "" 2
 289 #NO_APP
 290         cmpq    $-4096, %rax
 291         ja      .L82
 292 .L11:
 293         movl    (%rbx), %eax
 294         jmp     .L7
 295         .p2align 4,,10
 296         .p2align 3
 297 .L82:
 298         leal    11(%rax), %ecx
 299         cmpl    $11, %ecx
 300         ja      .L13
 301         movq    %r13, %rax
 302         salq    %cl, %rax
 303         testl   $2177, %eax
 304         jne     .L11
 305 .L13:
 306         leaq    .LC0(%rip), %rdi
 307         call    __libc_fatal@PLT
 308 .L80:
 309         leaq    40(%r9,%r8,4), %rdi
 310         jmp     .L27
 311         .size   __pthread_cond_signal, .-__pthread_cond_signal