libio/ioungetwc.s

   1         .text
   2         .p2align 4,,15
   3         .globl  ungetwc
   4         .type   ungetwc, @function
   5 ungetwc:
   6 .LFB71:
   7         pushq   %r12
   8         pushq   %rbp
   9         movl    %edi, %ebp
  10         pushq   %rbx
  11         movl    (%rsi), %edx
  12         movq    %rsi, %rbx
  13         andl    $32768, %edx
  14         jne     .L2
  15         movq    136(%rsi), %rdi
  16         movq    %fs:16, %r12
  17         cmpq    %r12, 8(%rdi)
  18         je      .L3
  19 #APP
  20 # 35 "ioungetwc.c" 1
  21         movl %fs:24,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         testl   %eax, %eax
  25         jne     .L4
  26         movl    $1, %edx
  27 #APP
  28 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  29         cmpxchgl %edx, (%rdi)
  30 # 0 "" 2
  31 #NO_APP
  32 .L5:
  33         movq    136(%rbx), %rdi
  34         movq    %r12, 8(%rdi)
  35 .L3:
  36         addl    $1, 4(%rdi)
  37 .L2:
  38         movl    $1, %esi
  39         movq    %rbx, %rdi
  40         call    _IO_fwide@PLT
  41         movl    $-1, %r8d
  42         cmpl    %r8d, %ebp
  43         je      .L8
  44         movl    %ebp, %esi
  45         movq    %rbx, %rdi
  46         call    _IO_sputbackwc
  47         movl    %eax, %r8d
  48 .L8:
  49         testl   $32768, (%rbx)
  50         jne     .L1
  51         movq    136(%rbx), %rdi
  52         movl    4(%rdi), %eax
  53         subl    $1, %eax
  54         testl   %eax, %eax
  55         movl    %eax, 4(%rdi)
  56         jne     .L1
  57         movq    $0, 8(%rdi)
  58 #APP
  59 # 885 "libioP.h" 1
  60         movl %fs:24,%edx
  61 # 0 "" 2
  62 #NO_APP
  63         testl   %edx, %edx
  64         jne     .L12
  65         subl    $1, (%rdi)
  66 .L1:
  67         popq    %rbx
  68         movl    %r8d, %eax
  69         popq    %rbp
  70         popq    %r12
  71         ret
  72         .p2align 4,,10
  73         .p2align 3
  74 .L4:
  75         movl    $1, %ecx
  76         movl    %edx, %eax
  77         lock cmpxchgl   %ecx, (%rdi)
  78         je      .L5
  79 .LEHB0:
  80         call    __lll_lock_wait_private
  81 .LEHE0:
  82         jmp     .L5
  83         .p2align 4,,10
  84         .p2align 3
  85 .L12:
  86 #APP
  87 # 885 "libioP.h" 1
  88         xchgl %eax, (%rdi)
  89 # 0 "" 2
  90 #NO_APP
  91         cmpl    $1, %eax
  92         jle     .L1
  93         xorl    %r10d, %r10d
  94         movl    $1, %edx
  95         movl    $129, %esi
  96         movl    $202, %eax
  97 #APP
  98 # 885 "libioP.h" 1
  99         syscall
 100
 101 # 0 "" 2
 102 #NO_APP
 103         jmp     .L1
 104 .L17:
 105         testl   $32768, (%rbx)
 106         movq    %rax, %r8
 107         jne     .L14
 108         movq    136(%rbx), %rdi
 109         movl    4(%rdi), %eax
 110         subl    $1, %eax
 111         testl   %eax, %eax
 112         movl    %eax, 4(%rdi)
 113         jne     .L14
 114         movq    $0, 8(%rdi)
 115 #APP
 116 # 885 "libioP.h" 1
 117         movl %fs:24,%edx
 118 # 0 "" 2
 119 #NO_APP
 120         testl   %edx, %edx
 121         jne     .L15
 122         subl    $1, (%rdi)
 123 .L14:
 124         movq    %r8, %rdi
 125 .LEHB1:
 126         call    _Unwind_Resume@PLT
 127 .LEHE1:
 128 .L15:
 129 #APP
 130 # 885 "libioP.h" 1
 131         xchgl %eax, (%rdi)
 132 # 0 "" 2
 133 #NO_APP
 134         subl    $1, %eax
 135         jle     .L14
 136         xorl    %r10d, %r10d
 137         movl    $1, %edx
 138         movl    $129, %esi
 139         movl    $202, %eax
 140 #APP
 141 # 885 "libioP.h" 1
 142         syscall
 143
 144 # 0 "" 2
 145 #NO_APP
 146         jmp     .L14
 147 .LFE71:
 148         .globl  __gcc_personality_v0
 149         .section        .gcc_except_table,"a",@progbits
 150 .LLSDA71:
 151         .byte   0xff
 152         .byte   0xff
 153         .byte   0x1
 154         .uleb128 .LLSDACSE71-.LLSDACSB71
 155 .LLSDACSB71:
 156         .uleb128 .LEHB0-.LFB71
 157         .uleb128 .LEHE0-.LEHB0
 158         .uleb128 .L17-.LFB71
 159         .uleb128 0
 160         .uleb128 .LEHB1-.LFB71
 161         .uleb128 .LEHE1-.LEHB1
 162         .uleb128 0
 163         .uleb128 0
 164 .LLSDACSE71:
 165         .text
 166         .size   ungetwc, .-ungetwc
 167         .hidden DW.ref.__gcc_personality_v0
 168         .weak   DW.ref.__gcc_personality_v0
 169         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 170         .align 8
 171         .type   DW.ref.__gcc_personality_v0, @object
 172         .size   DW.ref.__gcc_personality_v0, 8
 173 DW.ref.__gcc_personality_v0:
 174         .quad   __gcc_personality_v0
 175         .hidden __lll_lock_wait_private
 176         .hidden _IO_sputbackwc