libio/clearerr.s

   1         .text
   2         .p2align 4,,15
   3         .globl  clearerr
   4         .type   clearerr, @function
   5 clearerr:
   6         movl    (%rdi), %edx
   7         movl    %edx, %esi
   8         andl    $32768, %esi
   9         jne     .L2
  10         pushq   %rbp
  11         pushq   %rbx
  12         subq    $8, %rsp
  13         movq    136(%rdi), %rcx
  14         movq    %fs:16, %rbp
  15         cmpq    %rbp, 8(%rcx)
  16         je      .L3
  17         movq    %rdi, %rbx
  18 #APP
  19 # 25 "clearerr.c" 1
  20         movl %fs:24,%eax
  21 # 0 "" 2
  22 #NO_APP
  23         testl   %eax, %eax
  24         movl    $1, %edx
  25         jne     .L4
  26 #APP
  27 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  28         cmpxchgl %edx, (%rcx)
  29 # 0 "" 2
  30 #NO_APP
  31 .L5:
  32         movq    136(%rbx), %rcx
  33         movl    (%rbx), %edx
  34         movl    4(%rcx), %eax
  35         movq    %rbp, 8(%rcx)
  36         leal    1(%rax), %esi
  37         movl    %esi, 4(%rcx)
  38         movl    %edx, %esi
  39         andl    $-49, %esi
  40         andb    $-128, %dh
  41         movl    %esi, (%rbx)
  42         jne     .L1
  43 .L6:
  44         testl   %eax, %eax
  45         movl    %eax, 4(%rcx)
  46         jne     .L1
  47         movq    $0, 8(%rcx)
  48 #APP
  49 # 27 "clearerr.c" 1
  50         movl %fs:24,%edx
  51 # 0 "" 2
  52 #NO_APP
  53         testl   %edx, %edx
  54         jne     .L9
  55         subl    $1, (%rcx)
  56 .L1:
  57         addq    $8, %rsp
  58         popq    %rbx
  59         popq    %rbp
  60         ret
  61         .p2align 4,,10
  62         .p2align 3
  63 .L2:
  64         andl    $-49, %edx
  65         movl    %edx, (%rdi)
  66         ret
  67         .p2align 4,,10
  68         .p2align 3
  69 .L3:
  70         movl    4(%rcx), %eax
  71         andl    $-49, %edx
  72         leal    1(%rax), %esi
  73         movl    %esi, 4(%rcx)
  74         movl    %edx, (%rdi)
  75         jmp     .L6
  76         .p2align 4,,10
  77         .p2align 3
  78 .L4:
  79         movl    %esi, %eax
  80         lock cmpxchgl   %edx, (%rcx)
  81         je      .L5
  82         movq    %rcx, %rdi
  83         call    __lll_lock_wait_private
  84         jmp     .L5
  85         .p2align 4,,10
  86         .p2align 3
  87 .L9:
  88 #APP
  89 # 27 "clearerr.c" 1
  90         xchgl %eax, (%rcx)
  91 # 0 "" 2
  92 #NO_APP
  93         cmpl    $1, %eax
  94         jle     .L1
  95         xorl    %r10d, %r10d
  96         movl    $1, %edx
  97         movl    $129, %esi
  98         movq    %rcx, %rdi
  99         movl    $202, %eax
 100 #APP
 101 # 27 "clearerr.c" 1
 102         syscall
 103
 104 # 0 "" 2
 105 #NO_APP
 106         jmp     .L1
 107         .size   clearerr, .-clearerr
 108         .hidden __lll_lock_wait_private