libio/iogets.s

   1         .text
   2 #APP
   3         .section .gnu.warning.gets
   4         .previous
   5 #NO_APP
   6         .p2align 4,,15
   7         .globl  _IO_gets
   8         .type   _IO_gets, @function
   9 _IO_gets:
  10 .LFB68:
  11         pushq   %r12
  12         pushq   %rbp
  13         movq    stdin(%rip), %rbp
  14         pushq   %rbx
  15         movq    %rdi, %rbx
  16         movl    0(%rbp), %edx
  17         andl    $32768, %edx
  18         jne     .L21
  19         movq    136(%rbp), %rcx
  20         movq    %fs:16, %r12
  21         cmpq    %r12, 8(%rcx)
  22         je      .L22
  23 #APP
  24 # 37 "iogets.c" 1
  25         movl %fs:24,%eax
  26 # 0 "" 2
  27 #NO_APP
  28         testl   %eax, %eax
  29         jne     .L4
  30         movl    $1, %edx
  31 #APP
  32 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  33         cmpxchgl %edx, (%rcx)
  34 # 0 "" 2
  35 #NO_APP
  36 .L5:
  37         movq    136(%rbp), %rcx
  38         movq    stdin(%rip), %rdi
  39         movq    %r12, 8(%rcx)
  40 .L3:
  41         addl    $1, 4(%rcx)
  42         movq    8(%rdi), %rax
  43         cmpq    16(%rdi), %rax
  44         jb      .L8
  45 .L28:
  46 .LEHB0:
  47         call    __uflow
  48         cmpl    $-1, %eax
  49         jne     .L10
  50 .L13:
  51         xorl    %ebx, %ebx
  52         jmp     .L11
  53         .p2align 4,,10
  54         .p2align 3
  55 .L21:
  56         movq    %rbp, %rdi
  57         movq    8(%rdi), %rax
  58         cmpq    16(%rdi), %rax
  59         jnb     .L28
  60 .L8:
  61         leaq    1(%rax), %rdx
  62         movq    %rdx, 8(%rdi)
  63         movzbl  (%rax), %eax
  64 .L10:
  65         cmpl    $10, %eax
  66         movq    %rbx, %rdx
  67         jne     .L29
  68 .L12:
  69         movb    $0, (%rdx)
  70 .L11:
  71         testl   $32768, 0(%rbp)
  72         jne     .L1
  73         movq    136(%rbp), %rdi
  74         movl    4(%rdi), %eax
  75         subl    $1, %eax
  76         testl   %eax, %eax
  77         movl    %eax, 4(%rdi)
  78         jne     .L1
  79         movq    $0, 8(%rdi)
  80 #APP
  81 # 885 "libioP.h" 1
  82         movl %fs:24,%edx
  83 # 0 "" 2
  84 #NO_APP
  85         testl   %edx, %edx
  86         jne     .L17
  87         subl    $1, (%rdi)
  88 .L1:
  89         movq    %rbx, %rax
  90         popq    %rbx
  91         popq    %rbp
  92         popq    %r12
  93         ret
  94         .p2align 4,,10
  95         .p2align 3
  96 .L29:
  97         movq    stdin(%rip), %rcx
  98         leaq    1(%rbx), %rsi
  99         xorl    %r8d, %r8d
 100         movl    (%rcx), %edx
 101         movl    %edx, %r12d
 102         andl    $-33, %edx
 103         movl    %edx, (%rcx)
 104         movb    %al, (%rbx)
 105         movl    $10, %ecx
 106         movq    stdin(%rip), %rdi
 107         movl    $2147483647, %edx
 108         andl    $32, %r12d
 109         call    _IO_getline
 110         movq    stdin(%rip), %rcx
 111         addq    $1, %rax
 112         movl    (%rcx), %edx
 113         testb   $32, %dl
 114         jne     .L13
 115         orl     %edx, %r12d
 116         leaq    (%rbx,%rax), %rdx
 117         movl    %r12d, (%rcx)
 118         jmp     .L12
 119         .p2align 4,,10
 120         .p2align 3
 121 .L22:
 122         movq    %rbp, %rdi
 123         jmp     .L3
 124         .p2align 4,,10
 125         .p2align 3
 126 .L4:
 127         movl    $1, %esi
 128         movl    %edx, %eax
 129         lock cmpxchgl   %esi, (%rcx)
 130         je      .L5
 131         movq    %rcx, %rdi
 132         call    __lll_lock_wait_private
 133 .LEHE0:
 134         jmp     .L5
 135         .p2align 4,,10
 136         .p2align 3
 137 .L17:
 138 #APP
 139 # 885 "libioP.h" 1
 140         xchgl %eax, (%rdi)
 141 # 0 "" 2
 142 #NO_APP
 143         cmpl    $1, %eax
 144         jle     .L1
 145         xorl    %r10d, %r10d
 146         movl    $1, %edx
 147         movl    $129, %esi
 148         movl    $202, %eax
 149 #APP
 150 # 885 "libioP.h" 1
 151         syscall
 152
 153 # 0 "" 2
 154 #NO_APP
 155         jmp     .L1
 156 .L24:
 157         testl   $32768, 0(%rbp)
 158         movq    %rax, %r8
 159         jne     .L19
 160         movq    136(%rbp), %rdi
 161         movl    4(%rdi), %eax
 162         subl    $1, %eax
 163         testl   %eax, %eax
 164         movl    %eax, 4(%rdi)
 165         jne     .L19
 166         movq    $0, 8(%rdi)
 167 #APP
 168 # 885 "libioP.h" 1
 169         movl %fs:24,%edx
 170 # 0 "" 2
 171 #NO_APP
 172         testl   %edx, %edx
 173         jne     .L20
 174         subl    $1, (%rdi)
 175 .L19:
 176         movq    %r8, %rdi
 177 .LEHB1:
 178         call    _Unwind_Resume@PLT
 179 .LEHE1:
 180 .L20:
 181 #APP
 182 # 885 "libioP.h" 1
 183         xchgl %eax, (%rdi)
 184 # 0 "" 2
 185 #NO_APP
 186         subl    $1, %eax
 187         jle     .L19
 188         xorl    %r10d, %r10d
 189         movl    $1, %edx
 190         movl    $129, %esi
 191         movl    $202, %eax
 192 #APP
 193 # 885 "libioP.h" 1
 194         syscall
 195
 196 # 0 "" 2
 197 #NO_APP
 198         jmp     .L19
 199 .LFE68:
 200         .globl  __gcc_personality_v0
 201         .section        .gcc_except_table,"a",@progbits
 202 .LLSDA68:
 203         .byte   0xff
 204         .byte   0xff
 205         .byte   0x1
 206         .uleb128 .LLSDACSE68-.LLSDACSB68
 207 .LLSDACSB68:
 208         .uleb128 .LEHB0-.LFB68
 209         .uleb128 .LEHE0-.LEHB0
 210         .uleb128 .L24-.LFB68
 211         .uleb128 0
 212         .uleb128 .LEHB1-.LFB68
 213         .uleb128 .LEHE1-.LEHB1
 214         .uleb128 0
 215         .uleb128 0
 216 .LLSDACSE68:
 217         .text
 218         .size   _IO_gets, .-_IO_gets
 219         .weak   gets
 220         .set    gets,_IO_gets
 221         .section        .gnu.warning.gets
 222         #,"a",@progbits
 223         .align 32
 224         .type   __evoke_link_warning_gets, @object
 225         .size   __evoke_link_warning_gets, 57
 226 __evoke_link_warning_gets:
 227         .string "the `gets' function is dangerous and should not be used."
 228         .hidden DW.ref.__gcc_personality_v0
 229         .weak   DW.ref.__gcc_personality_v0
 230         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 231         .align 8
 232         .type   DW.ref.__gcc_personality_v0, @object
 233         .size   DW.ref.__gcc_personality_v0, 8
 234 DW.ref.__gcc_personality_v0:
 235         .quad   __gcc_personality_v0
 236         .hidden __lll_lock_wait_private
 237         .hidden _IO_getline
 238         .hidden __uflow