nptl/msync.shared.s

   1         .text
   2         .p2align 4,,15
   3         .globl  msync
   4         .type   msync, @function
   5 msync:
   6 #APP
   7 # 25 "../sysdeps/unix/sysv/linux/msync.c" 1
   8         movl %fs:24,%eax
   9 # 0 "" 2
  10 #NO_APP
  11         testl   %eax, %eax
  12         jne     .L2
  13         movl    $26, %eax
  14 #APP
  15 # 25 "../sysdeps/unix/sysv/linux/msync.c" 1
  16         syscall
  17
  18 # 0 "" 2
  19 #NO_APP
  20         cmpq    $-4096, %rax
  21         ja      .L11
  22         rep ret
  23         .p2align 4,,10
  24         .p2align 3
  25 .L2:
  26         pushq   %r12
  27         pushq   %rbp
  28         movl    %edx, %r12d
  29         pushq   %rbx
  30         movq    %rsi, %rbp
  31         movq    %rdi, %rbx
  32         subq    $16, %rsp
  33         call    __pthread_enable_asynccancel
  34         movl    %r12d, %edx
  35         movl    %eax, %r8d
  36         movq    %rbp, %rsi
  37         movq    %rbx, %rdi
  38         movl    $26, %eax
  39 #APP
  40 # 25 "../sysdeps/unix/sysv/linux/msync.c" 1
  41         syscall
  42
  43 # 0 "" 2
  44 #NO_APP
  45         cmpq    $-4096, %rax
  46         ja      .L12
  47 .L6:
  48         movl    %r8d, %edi
  49         movl    %eax, 12(%rsp)
  50         call    __pthread_disable_asynccancel
  51         movl    12(%rsp), %eax
  52         addq    $16, %rsp
  53         popq    %rbx
  54         popq    %rbp
  55         popq    %r12
  56         ret
  57         .p2align 4,,10
  58         .p2align 3
  59 .L11:
  60         movq    errno@gottpoff(%rip), %rdx
  61         negl    %eax
  62         movl    %eax, %fs:(%rdx)
  63         movl    $-1, %eax
  64         ret
  65 .L12:
  66         movq    errno@gottpoff(%rip), %rdx
  67         negl    %eax
  68         movl    %eax, %fs:(%rdx)
  69         movl    $-1, %eax
  70         jmp     .L6
  71         .size   msync, .-msync
  72         .hidden __pthread_disable_asynccancel
  73         .hidden __pthread_enable_asynccancel