libio/putc.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_putc
   4         .hidden _IO_putc
   5         .type   _IO_putc, @function
   6 _IO_putc:
   7 .LFB68:
   8         pushq   %r12
   9         pushq   %rbp
  10         pushq   %rbx
  11         testb   $-128, 116(%rsi)
  12         movq    %rsi, %rbx
  13         jne     .L2
  14         movq    40(%rsi), %rdx
  15         cmpq    48(%rsi), %rdx
  16         movzbl  %dil, %r8d
  17         jnb     .L20
  18         leaq    1(%rdx), %rcx
  19         movq    %rcx, 40(%rsi)
  20         movb    %dil, (%rdx)
  21 .L1:
  22         popq    %rbx
  23         movl    %r8d, %eax
  24         popq    %rbp
  25         popq    %r12
  26         ret
  27         .p2align 4,,10
  28         .p2align 3
  29 .L2:
  30         movl    (%rsi), %edx
  31         movl    %edi, %ebp
  32         andl    $32768, %edx
  33         jne     .L5
  34         movq    136(%rsi), %rdi
  35         movq    %fs:16, %r12
  36         cmpq    %r12, 8(%rdi)
  37         je      .L6
  38 #APP
  39 # 30 "putc.c" 1
  40         movl %fs:24,%eax
  41 # 0 "" 2
  42 #NO_APP
  43         testl   %eax, %eax
  44         jne     .L7
  45         movl    $1, %edx
  46 #APP
  47 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  48         cmpxchgl %edx, (%rdi)
  49 # 0 "" 2
  50 #NO_APP
  51 .L8:
  52         movq    136(%rbx), %rdi
  53         movq    %r12, 8(%rdi)
  54 .L6:
  55         addl    $1, 4(%rdi)
  56 .L5:
  57         movq    40(%rbx), %rax
  58         cmpq    48(%rbx), %rax
  59         movzbl  %bpl, %r8d
  60         jnb     .L21
  61         leaq    1(%rax), %rdx
  62         movq    %rdx, 40(%rbx)
  63         movb    %bpl, (%rax)
  64 .L12:
  65         testl   $32768, (%rbx)
  66         jne     .L1
  67         movq    136(%rbx), %rdi
  68         movl    4(%rdi), %eax
  69         subl    $1, %eax
  70         testl   %eax, %eax
  71         movl    %eax, 4(%rdi)
  72         jne     .L1
  73         movq    $0, 8(%rdi)
  74 #APP
  75 # 885 "libioP.h" 1
  76         movl %fs:24,%edx
  77 # 0 "" 2
  78 #NO_APP
  79         testl   %edx, %edx
  80         jne     .L13
  81         subl    $1, (%rdi)
  82         movl    %r8d, %eax
  83         popq    %rbx
  84         popq    %rbp
  85         popq    %r12
  86         ret
  87         .p2align 4,,10
  88         .p2align 3
  89 .L21:
  90         movl    %r8d, %esi
  91         movq    %rbx, %rdi
  92 .LEHB0:
  93         call    __overflow
  94 .LEHE0:
  95         movl    %eax, %r8d
  96         jmp     .L12
  97         .p2align 4,,10
  98         .p2align 3
  99 .L20:
 100         movq    %rbx, %rdi
 101         movl    %r8d, %esi
 102         popq    %rbx
 103         popq    %rbp
 104         popq    %r12
 105 .LEHB1:
 106         jmp     __overflow
 107 .LEHE1:
 108         .p2align 4,,10
 109         .p2align 3
 110 .L7:
 111         movl    $1, %ecx
 112         movl    %edx, %eax
 113         lock cmpxchgl   %ecx, (%rdi)
 114         je      .L8
 115 .LEHB2:
 116         call    __lll_lock_wait_private
 117 .LEHE2:
 118         jmp     .L8
 119         .p2align 4,,10
 120         .p2align 3
 121 .L13:
 122 #APP
 123 # 885 "libioP.h" 1
 124         xchgl %eax, (%rdi)
 125 # 0 "" 2
 126 #NO_APP
 127         cmpl    $1, %eax
 128         jle     .L1
 129         xorl    %r10d, %r10d
 130         movl    $1, %edx
 131         movl    $129, %esi
 132         movl    $202, %eax
 133 #APP
 134 # 885 "libioP.h" 1
 135         syscall
 136
 137 # 0 "" 2
 138 #NO_APP
 139         jmp     .L1
 140 .L17:
 141         testl   $32768, (%rbx)
 142         movq    %rax, %r8
 143         jne     .L15
 144         movq    136(%rbx), %rdi
 145         movl    4(%rdi), %eax
 146         subl    $1, %eax
 147         testl   %eax, %eax
 148         movl    %eax, 4(%rdi)
 149         jne     .L15
 150         movq    $0, 8(%rdi)
 151 #APP
 152 # 885 "libioP.h" 1
 153         movl %fs:24,%edx
 154 # 0 "" 2
 155 #NO_APP
 156         testl   %edx, %edx
 157         jne     .L16
 158         subl    $1, (%rdi)
 159 .L15:
 160         movq    %r8, %rdi
 161 .LEHB3:
 162         call    _Unwind_Resume@PLT
 163 .LEHE3:
 164 .L16:
 165 #APP
 166 # 885 "libioP.h" 1
 167         xchgl %eax, (%rdi)
 168 # 0 "" 2
 169 #NO_APP
 170         subl    $1, %eax
 171         jle     .L15
 172         xorl    %r10d, %r10d
 173         movl    $1, %edx
 174         movl    $129, %esi
 175         movl    $202, %eax
 176 #APP
 177 # 885 "libioP.h" 1
 178         syscall
 179
 180 # 0 "" 2
 181 #NO_APP
 182         jmp     .L15
 183 .LFE68:
 184         .globl  __gcc_personality_v0
 185         .section        .gcc_except_table,"a",@progbits
 186 .LLSDA68:
 187         .byte   0xff
 188         .byte   0xff
 189         .byte   0x1
 190         .uleb128 .LLSDACSE68-.LLSDACSB68
 191 .LLSDACSB68:
 192         .uleb128 .LEHB0-.LFB68
 193         .uleb128 .LEHE0-.LEHB0
 194         .uleb128 .L17-.LFB68
 195         .uleb128 0
 196         .uleb128 .LEHB1-.LFB68
 197         .uleb128 .LEHE1-.LEHB1
 198         .uleb128 0
 199         .uleb128 0
 200         .uleb128 .LEHB2-.LFB68
 201         .uleb128 .LEHE2-.LEHB2
 202         .uleb128 .L17-.LFB68
 203         .uleb128 0
 204         .uleb128 .LEHB3-.LFB68
 205         .uleb128 .LEHE3-.LEHB3
 206         .uleb128 0
 207         .uleb128 0
 208 .LLSDACSE68:
 209         .text
 210         .size   _IO_putc, .-_IO_putc
 211         .weak   putc
 212         .set    putc,_IO_putc
 213         .hidden DW.ref.__gcc_personality_v0
 214         .weak   DW.ref.__gcc_personality_v0
 215         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 216         .align 8
 217         .type   DW.ref.__gcc_personality_v0, @object
 218         .size   DW.ref.__gcc_personality_v0, 8
 219 DW.ref.__gcc_personality_v0:
 220         .quad   __gcc_personality_v0
 221         .hidden __lll_lock_wait_private
 222         .hidden __overflow