libio/ioftell.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_ftell
   4         .hidden _IO_ftell
   5         .type   _IO_ftell, @function
   6 _IO_ftell:
   7 .LFB68:
   8         pushq   %rbp
   9         pushq   %rbx
  10         movq    %rdi, %rbx
  11         subq    $8, %rsp
  12         movl    (%rdi), %edx
  13         andl    $32768, %edx
  14         jne     .L2
  15         movq    136(%rdi), %rdi
  16         movq    %fs:16, %rbp
  17         cmpq    %rbp, 8(%rdi)
  18         je      .L3
  19 #APP
  20 # 37 "ioftell.c" 1
  21         movl %fs:24,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         testl   %eax, %eax
  25         jne     .L4
  26         movl    $1, %edx
  27 #APP
  28 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  29         cmpxchgl %edx, (%rdi)
  30 # 0 "" 2
  31 #NO_APP
  32 .L5:
  33         movq    136(%rbx), %rdi
  34         movq    %rbp, 8(%rdi)
  35 .L3:
  36         addl    $1, 4(%rdi)
  37 .L2:
  38         xorl    %ecx, %ecx
  39         movl    $1, %edx
  40         xorl    %esi, %esi
  41         movq    %rbx, %rdi
  42 .LEHB0:
  43         call    _IO_seekoff_unlocked
  44         movq    %rax, %r8
  45         movl    (%rbx), %eax
  46         movl    %eax, %edx
  47         andl    $32768, %edx
  48         testb   $1, %ah
  49         je      .L8
  50         cmpq    $-1, %r8
  51         je      .L9
  52         movl    192(%rbx), %ecx
  53         testl   %ecx, %ecx
  54         jle     .L32
  55         testl   %edx, %edx
  56         jne     .L1
  57         movq    136(%rbx), %rdi
  58         subl    $1, 4(%rdi)
  59         je      .L18
  60 .L1:
  61         addq    $8, %rsp
  62         movq    %r8, %rax
  63         popq    %rbx
  64         popq    %rbp
  65         ret
  66         .p2align 4,,10
  67         .p2align 3
  68 .L32:
  69         movq    88(%rbx), %rax
  70         subq    72(%rbx), %rax
  71         subq    %rax, %r8
  72         .p2align 4,,10
  73         .p2align 3
  74 .L8:
  75         testl   %edx, %edx
  76         jne     .L11
  77         movq    136(%rbx), %rdi
  78         subl    $1, 4(%rdi)
  79         jne     .L11
  80 .L18:
  81         movq    $0, 8(%rdi)
  82 #APP
  83 # 885 "libioP.h" 1
  84         movl %fs:24,%eax
  85 # 0 "" 2
  86 #NO_APP
  87         testl   %eax, %eax
  88         jne     .L12
  89         subl    $1, (%rdi)
  90 .L11:
  91         cmpq    $-1, %r8
  92         jne     .L1
  93 .L17:
  94         movq    __libc_errno@gottpoff(%rip), %rax
  95         movq    $-1, %r8
  96         movl    %fs:(%rax), %edx
  97         testl   %edx, %edx
  98         jne     .L1
  99         movl    $5, %fs:(%rax)
 100         addq    $8, %rsp
 101         movq    %r8, %rax
 102         popq    %rbx
 103         popq    %rbp
 104         ret
 105         .p2align 4,,10
 106         .p2align 3
 107 .L9:
 108         testl   %edx, %edx
 109         jne     .L17
 110         movq    136(%rbx), %rdi
 111         subl    $1, 4(%rdi)
 112         je      .L18
 113         jmp     .L17
 114         .p2align 4,,10
 115         .p2align 3
 116 .L4:
 117         movl    $1, %ecx
 118         movl    %edx, %eax
 119         lock cmpxchgl   %ecx, (%rdi)
 120         je      .L5
 121         call    __lll_lock_wait_private
 122 .LEHE0:
 123         jmp     .L5
 124         .p2align 4,,10
 125         .p2align 3
 126 .L12:
 127         xorl    %eax, %eax
 128 #APP
 129 # 885 "libioP.h" 1
 130         xchgl %eax, (%rdi)
 131 # 0 "" 2
 132 #NO_APP
 133         cmpl    $1, %eax
 134         jle     .L11
 135         xorl    %r10d, %r10d
 136         movl    $1, %edx
 137         movl    $129, %esi
 138         movl    $202, %eax
 139 #APP
 140 # 885 "libioP.h" 1
 141         syscall
 142
 143 # 0 "" 2
 144 #NO_APP
 145         jmp     .L11
 146 .L20:
 147         testl   $32768, (%rbx)
 148         movq    %rax, %r8
 149         jne     .L15
 150         movq    136(%rbx), %rdi
 151         movl    4(%rdi), %eax
 152         subl    $1, %eax
 153         testl   %eax, %eax
 154         movl    %eax, 4(%rdi)
 155         jne     .L15
 156         movq    $0, 8(%rdi)
 157 #APP
 158 # 885 "libioP.h" 1
 159         movl %fs:24,%edx
 160 # 0 "" 2
 161 #NO_APP
 162         testl   %edx, %edx
 163         jne     .L16
 164         subl    $1, (%rdi)
 165 .L15:
 166         movq    %r8, %rdi
 167 .LEHB1:
 168         call    _Unwind_Resume@PLT
 169 .LEHE1:
 170 .L16:
 171 #APP
 172 # 885 "libioP.h" 1
 173         xchgl %eax, (%rdi)
 174 # 0 "" 2
 175 #NO_APP
 176         subl    $1, %eax
 177         jle     .L15
 178         xorl    %r10d, %r10d
 179         movl    $1, %edx
 180         movl    $129, %esi
 181         movl    $202, %eax
 182 #APP
 183 # 885 "libioP.h" 1
 184         syscall
 185
 186 # 0 "" 2
 187 #NO_APP
 188         jmp     .L15
 189 .LFE68:
 190         .globl  __gcc_personality_v0
 191         .section        .gcc_except_table,"a",@progbits
 192 .LLSDA68:
 193         .byte   0xff
 194         .byte   0xff
 195         .byte   0x1
 196         .uleb128 .LLSDACSE68-.LLSDACSB68
 197 .LLSDACSB68:
 198         .uleb128 .LEHB0-.LFB68
 199         .uleb128 .LEHE0-.LEHB0
 200         .uleb128 .L20-.LFB68
 201         .uleb128 0
 202         .uleb128 .LEHB1-.LFB68
 203         .uleb128 .LEHE1-.LEHB1
 204         .uleb128 0
 205         .uleb128 0
 206 .LLSDACSE68:
 207         .text
 208         .size   _IO_ftell, .-_IO_ftell
 209         .weak   ftell
 210         .set    ftell,_IO_ftell
 211         .hidden DW.ref.__gcc_personality_v0
 212         .weak   DW.ref.__gcc_personality_v0
 213         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 214         .align 8
 215         .type   DW.ref.__gcc_personality_v0, @object
 216         .size   DW.ref.__gcc_personality_v0, 8
 217 DW.ref.__gcc_personality_v0:
 218         .quad   __gcc_personality_v0
 219         .hidden __lll_lock_wait_private
 220         .hidden _IO_seekoff_unlocked