libio/getwchar.s

   1         .text
   2         .p2align 4,,15
   3         .globl  getwchar
   4         .type   getwchar, @function
   5 getwchar:
   6 .LFB71:
   7         pushq   %rbp
   8         pushq   %rbx
   9         subq    $8, %rsp
  10         movq    stdin(%rip), %rbx
  11         movl    (%rbx), %edx
  12         andl    $32768, %edx
  13         jne     .L18
  14         movq    136(%rbx), %rcx
  15         movq    %fs:16, %rbp
  16         cmpq    %rbp, 8(%rcx)
  17         je      .L19
  18 #APP
  19 # 36 "getwchar.c" 1
  20         movl %fs:24,%eax
  21 # 0 "" 2
  22 #NO_APP
  23         testl   %eax, %eax
  24         jne     .L4
  25         movl    $1, %edx
  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         movq    stdin(%rip), %rdi
  34         movq    %rbp, 8(%rcx)
  35 .L3:
  36         movq    160(%rdi), %rax
  37         addl    $1, 4(%rcx)
  38         testq   %rax, %rax
  39         jne     .L26
  40 .L8:
  41 .LEHB0:
  42         call    __wuflow
  43         testl   $32768, (%rbx)
  44         movl    %eax, %r8d
  45         je      .L27
  46 .L1:
  47         addq    $8, %rsp
  48         movl    %r8d, %eax
  49         popq    %rbx
  50         popq    %rbp
  51         ret
  52         .p2align 4,,10
  53         .p2align 3
  54 .L18:
  55         movq    %rbx, %rdi
  56         movq    160(%rdi), %rax
  57         testq   %rax, %rax
  58         je      .L8
  59 .L26:
  60         movq    (%rax), %rdx
  61         cmpq    8(%rax), %rdx
  62         jnb     .L8
  63         testl   $32768, (%rbx)
  64         leaq    4(%rdx), %rcx
  65         movl    (%rdx), %r8d
  66         movq    %rcx, (%rax)
  67         jne     .L1
  68 .L27:
  69         movq    136(%rbx), %rdi
  70         movl    4(%rdi), %eax
  71         subl    $1, %eax
  72         testl   %eax, %eax
  73         movl    %eax, 4(%rdi)
  74         jne     .L1
  75         movq    $0, 8(%rdi)
  76 #APP
  77 # 885 "libioP.h" 1
  78         movl %fs:24,%edx
  79 # 0 "" 2
  80 #NO_APP
  81         testl   %edx, %edx
  82         jne     .L14
  83         subl    $1, (%rdi)
  84         addq    $8, %rsp
  85         movl    %r8d, %eax
  86         popq    %rbx
  87         popq    %rbp
  88         ret
  89         .p2align 4,,10
  90         .p2align 3
  91 .L19:
  92         movq    %rbx, %rdi
  93         jmp     .L3
  94         .p2align 4,,10
  95         .p2align 3
  96 .L4:
  97         movl    $1, %esi
  98         movl    %edx, %eax
  99         lock cmpxchgl   %esi, (%rcx)
 100         je      .L5
 101         movq    %rcx, %rdi
 102         call    __lll_lock_wait_private
 103 .LEHE0:
 104         jmp     .L5
 105         .p2align 4,,10
 106         .p2align 3
 107 .L14:
 108 #APP
 109 # 885 "libioP.h" 1
 110         xchgl %eax, (%rdi)
 111 # 0 "" 2
 112 #NO_APP
 113         cmpl    $1, %eax
 114         jle     .L1
 115         xorl    %r10d, %r10d
 116         movl    $1, %edx
 117         movl    $129, %esi
 118         movl    $202, %eax
 119 #APP
 120 # 885 "libioP.h" 1
 121         syscall
 122
 123 # 0 "" 2
 124 #NO_APP
 125         jmp     .L1
 126 .L20:
 127         testl   $32768, (%rbx)
 128         movq    %rax, %r8
 129         jne     .L16
 130         movq    136(%rbx), %rdi
 131         movl    4(%rdi), %eax
 132         subl    $1, %eax
 133         testl   %eax, %eax
 134         movl    %eax, 4(%rdi)
 135         jne     .L16
 136         movq    $0, 8(%rdi)
 137 #APP
 138 # 885 "libioP.h" 1
 139         movl %fs:24,%edx
 140 # 0 "" 2
 141 #NO_APP
 142         testl   %edx, %edx
 143         jne     .L17
 144         subl    $1, (%rdi)
 145 .L16:
 146         movq    %r8, %rdi
 147 .LEHB1:
 148         call    _Unwind_Resume@PLT
 149 .LEHE1:
 150 .L17:
 151 #APP
 152 # 885 "libioP.h" 1
 153         xchgl %eax, (%rdi)
 154 # 0 "" 2
 155 #NO_APP
 156         subl    $1, %eax
 157         jle     .L16
 158         xorl    %r10d, %r10d
 159         movl    $1, %edx
 160         movl    $129, %esi
 161         movl    $202, %eax
 162 #APP
 163 # 885 "libioP.h" 1
 164         syscall
 165
 166 # 0 "" 2
 167 #NO_APP
 168         jmp     .L16
 169 .LFE71:
 170         .globl  __gcc_personality_v0
 171         .section        .gcc_except_table,"a",@progbits
 172 .LLSDA71:
 173         .byte   0xff
 174         .byte   0xff
 175         .byte   0x1
 176         .uleb128 .LLSDACSE71-.LLSDACSB71
 177 .LLSDACSB71:
 178         .uleb128 .LEHB0-.LFB71
 179         .uleb128 .LEHE0-.LEHB0
 180         .uleb128 .L20-.LFB71
 181         .uleb128 0
 182         .uleb128 .LEHB1-.LFB71
 183         .uleb128 .LEHE1-.LEHB1
 184         .uleb128 0
 185         .uleb128 0
 186 .LLSDACSE71:
 187         .text
 188         .size   getwchar, .-getwchar
 189         .hidden DW.ref.__gcc_personality_v0
 190         .weak   DW.ref.__gcc_personality_v0
 191         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 192         .align 8
 193         .type   DW.ref.__gcc_personality_v0, @object
 194         .size   DW.ref.__gcc_personality_v0, 8
 195 DW.ref.__gcc_personality_v0:
 196         .quad   __gcc_personality_v0
 197         .hidden __lll_lock_wait_private
 198         .hidden __wuflow