dirent/rewinddir.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __rewinddir
   4         .hidden __rewinddir
   5         .type   __rewinddir, @function
   6 __rewinddir:
   7         pushq   %rbp
   8         pushq   %rbx
   9         movq    %rdi, %rbx
  10         subq    $8, %rsp
  11 #APP
  12 # 29 "../sysdeps/unix/sysv/linux/rewinddir.c" 1
  13         movl %fs:24,%eax
  14 # 0 "" 2
  15 #NO_APP
  16         testl   %eax, %eax
  17         leaq    4(%rdi), %rbp
  18         jne     .L2
  19         movl    $1, %edx
  20 #APP
  21 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  22         cmpxchgl %edx, 4(%rdi)
  23 # 0 "" 2
  24 #NO_APP
  25 .L3:
  26         movl    (%rbx), %edi
  27         xorl    %edx, %edx
  28         xorl    %esi, %esi
  29         call    __lseek
  30         movq    $0, 32(%rbx)
  31         movq    $0, 24(%rbx)
  32         movq    $0, 16(%rbx)
  33         movl    $0, 40(%rbx)
  34 #APP
  35 # 37 "../sysdeps/unix/sysv/linux/rewinddir.c" 1
  36         movl %fs:24,%eax
  37 # 0 "" 2
  38 #NO_APP
  39         testl   %eax, %eax
  40         jne     .L4
  41         subl    $1, 4(%rbx)
  42 .L1:
  43         addq    $8, %rsp
  44         popq    %rbx
  45         popq    %rbp
  46         ret
  47         .p2align 4,,10
  48         .p2align 3
  49 .L2:
  50         xorl    %eax, %eax
  51         movl    $1, %edx
  52         lock cmpxchgl   %edx, 0(%rbp)
  53         je      .L3
  54         movq    %rbp, %rdi
  55         call    __lll_lock_wait_private
  56         jmp     .L3
  57         .p2align 4,,10
  58         .p2align 3
  59 .L4:
  60         xorl    %eax, %eax
  61 #APP
  62 # 37 "../sysdeps/unix/sysv/linux/rewinddir.c" 1
  63         xchgl %eax, 4(%rbx)
  64 # 0 "" 2
  65 #NO_APP
  66         cmpl    $1, %eax
  67         jle     .L1
  68         xorl    %r10d, %r10d
  69         movl    $1, %edx
  70         movl    $129, %esi
  71         movq    %rbp, %rdi
  72         movl    $202, %eax
  73 #APP
  74 # 37 "../sysdeps/unix/sysv/linux/rewinddir.c" 1
  75         syscall
  76
  77 # 0 "" 2
  78 #NO_APP
  79         jmp     .L1
  80         .size   __rewinddir, .-__rewinddir
  81         .weak   rewinddir
  82         .set    rewinddir,__rewinddir
  83         .hidden __lll_lock_wait_private
  84         .hidden __lseek