libio/iofgets.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_fgets
   4         .type   _IO_fgets, @function
   5 _IO_fgets:
   6 .LFB68:
   7         testl   %esi, %esi
   8         jle     .L16
   9         cmpl    $1, %esi
  10         je      .L28
  11         pushq   %r13
  12         pushq   %r12
  13         movq    %rdi, %r12
  14         pushq   %rbp
  15         pushq   %rbx
  16         movq    %rdx, %rbx
  17         movl    %esi, %ebp
  18         subq    $8, %rsp
  19         movl    (%rdx), %edx
  20         movl    %edx, %ecx
  21         andl    $32768, %ecx
  22         jne     .L4
  23         movq    136(%rbx), %rdi
  24         movq    %fs:16, %r13
  25         cmpq    %r13, 8(%rdi)
  26         je      .L5
  27 #APP
  28 # 47 "iofgets.c" 1
  29         movl %fs:24,%eax
  30 # 0 "" 2
  31 #NO_APP
  32         testl   %eax, %eax
  33         movl    $1, %edx
  34         jne     .L6
  35 #APP
  36 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  37         cmpxchgl %edx, (%rdi)
  38 # 0 "" 2
  39 #NO_APP
  40 .L7:
  41         movq    136(%rbx), %rdi
  42         movl    (%rbx), %edx
  43         movq    %r13, 8(%rdi)
  44 .L5:
  45         addl    $1, 4(%rdi)
  46 .L4:
  47         movl    %edx, %r13d
  48         andl    $-33, %edx
  49         movl    $1, %r8d
  50         movl    %edx, (%rbx)
  51         leal    -1(%rbp), %edx
  52         movl    $10, %ecx
  53         movq    %r12, %rsi
  54         movq    %rbx, %rdi
  55         andl    $32, %r13d
  56         movslq  %edx, %rdx
  57 .LEHB0:
  58         call    _IO_getline
  59         xorl    %r8d, %r8d
  60         testq   %rax, %rax
  61         movl    (%rbx), %edx
  62         je      .L10
  63         testb   $32, %dl
  64         je      .L11
  65         movq    __libc_errno@gottpoff(%rip), %rcx
  66         cmpl    $11, %fs:(%rcx)
  67         je      .L11
  68 .L10:
  69         orl     %edx, %r13d
  70         movl    %r13d, (%rbx)
  71         andl    $32768, %r13d
  72         jne     .L1
  73 .L29:
  74         movq    136(%rbx), %rdi
  75         movl    4(%rdi), %eax
  76         subl    $1, %eax
  77         testl   %eax, %eax
  78         movl    %eax, 4(%rdi)
  79         jne     .L1
  80         movq    $0, 8(%rdi)
  81 #APP
  82 # 885 "libioP.h" 1
  83         movl %fs:24,%edx
  84 # 0 "" 2
  85 #NO_APP
  86         testl   %edx, %edx
  87         jne     .L12
  88         subl    $1, (%rdi)
  89 .L1:
  90         addq    $8, %rsp
  91         movq    %r8, %rax
  92         popq    %rbx
  93         popq    %rbp
  94         popq    %r12
  95         popq    %r13
  96         ret
  97         .p2align 4,,10
  98         .p2align 3
  99 .L11:
 100         movb    $0, (%r12,%rax)
 101         movl    (%rbx), %edx
 102         movq    %r12, %r8
 103         orl     %edx, %r13d
 104         movl    %r13d, (%rbx)
 105         andl    $32768, %r13d
 106         je      .L29
 107         jmp     .L1
 108         .p2align 4,,10
 109         .p2align 3
 110 .L28:
 111         movb    $0, (%rdi)
 112         movq    %rdi, %r8
 113 .L25:
 114         movq    %r8, %rax
 115         ret
 116         .p2align 4,,10
 117         .p2align 3
 118 .L16:
 119         xorl    %r8d, %r8d
 120         jmp     .L25
 121         .p2align 4,,10
 122         .p2align 3
 123 .L6:
 124         movl    %ecx, %eax
 125         lock cmpxchgl   %edx, (%rdi)
 126         je      .L7
 127         call    __lll_lock_wait_private
 128 .LEHE0:
 129         jmp     .L7
 130         .p2align 4,,10
 131         .p2align 3
 132 .L12:
 133 #APP
 134 # 885 "libioP.h" 1
 135         xchgl %eax, (%rdi)
 136 # 0 "" 2
 137 #NO_APP
 138         cmpl    $1, %eax
 139         jle     .L1
 140         xorl    %r10d, %r10d
 141         movl    $1, %edx
 142         movl    $129, %esi
 143         movl    $202, %eax
 144 #APP
 145 # 885 "libioP.h" 1
 146         syscall
 147
 148 # 0 "" 2
 149 #NO_APP
 150         jmp     .L1
 151 .L19:
 152         testl   $32768, (%rbx)
 153         movq    %rax, %r8
 154         jne     .L14
 155         movq    136(%rbx), %rdi
 156         movl    4(%rdi), %eax
 157         subl    $1, %eax
 158         testl   %eax, %eax
 159         movl    %eax, 4(%rdi)
 160         jne     .L14
 161         movq    $0, 8(%rdi)
 162 #APP
 163 # 885 "libioP.h" 1
 164         movl %fs:24,%edx
 165 # 0 "" 2
 166 #NO_APP
 167         testl   %edx, %edx
 168         jne     .L15
 169         subl    $1, (%rdi)
 170 .L14:
 171         movq    %r8, %rdi
 172 .LEHB1:
 173         call    _Unwind_Resume@PLT
 174 .LEHE1:
 175 .L15:
 176 #APP
 177 # 885 "libioP.h" 1
 178         xchgl %eax, (%rdi)
 179 # 0 "" 2
 180 #NO_APP
 181         subl    $1, %eax
 182         jle     .L14
 183         xorl    %r10d, %r10d
 184         movl    $1, %edx
 185         movl    $129, %esi
 186         movl    $202, %eax
 187 #APP
 188 # 885 "libioP.h" 1
 189         syscall
 190
 191 # 0 "" 2
 192 #NO_APP
 193         jmp     .L14
 194 .LFE68:
 195         .globl  __gcc_personality_v0
 196         .section        .gcc_except_table,"a",@progbits
 197 .LLSDA68:
 198         .byte   0xff
 199         .byte   0xff
 200         .byte   0x1
 201         .uleb128 .LLSDACSE68-.LLSDACSB68
 202 .LLSDACSB68:
 203         .uleb128 .LEHB0-.LFB68
 204         .uleb128 .LEHE0-.LEHB0
 205         .uleb128 .L19-.LFB68
 206         .uleb128 0
 207         .uleb128 .LEHB1-.LFB68
 208         .uleb128 .LEHE1-.LEHB1
 209         .uleb128 0
 210         .uleb128 0
 211 .LLSDACSE68:
 212         .text
 213         .size   _IO_fgets, .-_IO_fgets
 214         .weak   fgets
 215         .set    fgets,_IO_fgets
 216         .hidden DW.ref.__gcc_personality_v0
 217         .weak   DW.ref.__gcc_personality_v0
 218         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 219         .align 8
 220         .type   DW.ref.__gcc_personality_v0, @object
 221         .size   DW.ref.__gcc_personality_v0, 8
 222 DW.ref.__gcc_personality_v0:
 223         .quad   __gcc_personality_v0
 224         .hidden __lll_lock_wait_private
 225         .hidden _IO_getline