libio/getc.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_getc
   4         .type   _IO_getc, @function
   5 _IO_getc:
   6 .LFB68:
   7         testb   $-128, 116(%rdi)
   8         jne     .L2
   9         movq    8(%rdi), %rax
  10         cmpq    16(%rdi), %rax
  11         jnb     .L22
  12         leaq    1(%rax), %rdx
  13         movq    %rdx, 8(%rdi)
  14         movzbl  (%rax), %r8d
  15         movl    %r8d, %eax
  16         ret
  17         .p2align 4,,10
  18         .p2align 3
  19 .L2:
  20         pushq   %rbp
  21         pushq   %rbx
  22         movq    %rdi, %rbx
  23         subq    $8, %rsp
  24         movl    (%rdi), %edx
  25         andl    $32768, %edx
  26         jne     .L5
  27         movq    136(%rdi), %rdi
  28         movq    %fs:16, %rbp
  29         cmpq    %rbp, 8(%rdi)
  30         je      .L6
  31 #APP
  32 # 39 "getc.c" 1
  33         movl %fs:24,%eax
  34 # 0 "" 2
  35 #NO_APP
  36         testl   %eax, %eax
  37         jne     .L7
  38         movl    $1, %edx
  39 #APP
  40 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  41         cmpxchgl %edx, (%rdi)
  42 # 0 "" 2
  43 #NO_APP
  44 .L8:
  45         movq    136(%rbx), %rdi
  46         movq    %rbp, 8(%rdi)
  47 .L6:
  48         addl    $1, 4(%rdi)
  49 .L5:
  50         movq    8(%rbx), %rax
  51         cmpq    16(%rbx), %rax
  52         jnb     .L23
  53         leaq    1(%rax), %rdx
  54         movq    %rdx, 8(%rbx)
  55         movzbl  (%rax), %r8d
  56 .L12:
  57         testl   $32768, (%rbx)
  58         jne     .L1
  59         movq    136(%rbx), %rdi
  60         movl    4(%rdi), %eax
  61         subl    $1, %eax
  62         testl   %eax, %eax
  63         movl    %eax, 4(%rdi)
  64         jne     .L1
  65         movq    $0, 8(%rdi)
  66 #APP
  67 # 885 "libioP.h" 1
  68         movl %fs:24,%edx
  69 # 0 "" 2
  70 #NO_APP
  71         testl   %edx, %edx
  72         jne     .L13
  73         subl    $1, (%rdi)
  74 .L1:
  75         addq    $8, %rsp
  76         movl    %r8d, %eax
  77         popq    %rbx
  78         popq    %rbp
  79         ret
  80         .p2align 4,,10
  81         .p2align 3
  82 .L22:
  83 .LEHB0:
  84         jmp     __uflow
  85 .LEHE0:
  86         .p2align 4,,10
  87         .p2align 3
  88 .L23:
  89         movq    %rbx, %rdi
  90 .LEHB1:
  91         call    __uflow
  92         movl    %eax, %r8d
  93         jmp     .L12
  94         .p2align 4,,10
  95         .p2align 3
  96 .L7:
  97         movl    $1, %ecx
  98         movl    %edx, %eax
  99         lock cmpxchgl   %ecx, (%rdi)
 100         je      .L8
 101         call    __lll_lock_wait_private
 102 .LEHE1:
 103         jmp     .L8
 104         .p2align 4,,10
 105         .p2align 3
 106 .L13:
 107 #APP
 108 # 885 "libioP.h" 1
 109         xchgl %eax, (%rdi)
 110 # 0 "" 2
 111 #NO_APP
 112         cmpl    $1, %eax
 113         jle     .L1
 114         xorl    %r10d, %r10d
 115         movl    $1, %edx
 116         movl    $129, %esi
 117         movl    $202, %eax
 118 #APP
 119 # 885 "libioP.h" 1
 120         syscall
 121
 122 # 0 "" 2
 123 #NO_APP
 124         jmp     .L1
 125 .L17:
 126         testl   $32768, (%rbx)
 127         movq    %rax, %r8
 128         jne     .L15
 129         movq    136(%rbx), %rdi
 130         movl    4(%rdi), %eax
 131         subl    $1, %eax
 132         testl   %eax, %eax
 133         movl    %eax, 4(%rdi)
 134         jne     .L15
 135         movq    $0, 8(%rdi)
 136 #APP
 137 # 885 "libioP.h" 1
 138         movl %fs:24,%edx
 139 # 0 "" 2
 140 #NO_APP
 141         testl   %edx, %edx
 142         jne     .L16
 143         subl    $1, (%rdi)
 144 .L15:
 145         movq    %r8, %rdi
 146 .LEHB2:
 147         call    _Unwind_Resume@PLT
 148 .LEHE2:
 149 .L16:
 150 #APP
 151 # 885 "libioP.h" 1
 152         xchgl %eax, (%rdi)
 153 # 0 "" 2
 154 #NO_APP
 155         subl    $1, %eax
 156         jle     .L15
 157         xorl    %r10d, %r10d
 158         movl    $1, %edx
 159         movl    $129, %esi
 160         movl    $202, %eax
 161 #APP
 162 # 885 "libioP.h" 1
 163         syscall
 164
 165 # 0 "" 2
 166 #NO_APP
 167         jmp     .L15
 168 .LFE68:
 169         .globl  __gcc_personality_v0
 170         .section        .gcc_except_table,"a",@progbits
 171 .LLSDA68:
 172         .byte   0xff
 173         .byte   0xff
 174         .byte   0x1
 175         .uleb128 .LLSDACSE68-.LLSDACSB68
 176 .LLSDACSB68:
 177         .uleb128 .LEHB0-.LFB68
 178         .uleb128 .LEHE0-.LEHB0
 179         .uleb128 0
 180         .uleb128 0
 181         .uleb128 .LEHB1-.LFB68
 182         .uleb128 .LEHE1-.LEHB1
 183         .uleb128 .L17-.LFB68
 184         .uleb128 0
 185         .uleb128 .LEHB2-.LFB68
 186         .uleb128 .LEHE2-.LEHB2
 187         .uleb128 0
 188         .uleb128 0
 189 .LLSDACSE68:
 190         .text
 191         .size   _IO_getc, .-_IO_getc
 192         .weak   fgetc
 193         .set    fgetc,_IO_getc
 194         .weak   getc
 195         .set    getc,_IO_getc
 196         .hidden DW.ref.__gcc_personality_v0
 197         .weak   DW.ref.__gcc_personality_v0
 198         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 199         .align 8
 200         .type   DW.ref.__gcc_personality_v0, @object
 201         .size   DW.ref.__gcc_personality_v0, 8
 202 DW.ref.__gcc_personality_v0:
 203         .quad   __gcc_personality_v0
 204         .hidden __lll_lock_wait_private
 205         .hidden __uflow