libio/fseek.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6 #NO_APP
   7         .p2align 4,,15
   8         .globl  __GI_fseek
   9         .hidden __GI_fseek
  10         .type   __GI_fseek, @function
  11 __GI_fseek:
  12 .LFB68:
  13         pushq   %r13
  14         pushq   %r12
  15         movl    %edx, %r12d
  16         pushq   %rbp
  17         pushq   %rbx
  18         movq    %rsi, %rbp
  19         movq    %rdi, %rbx
  20         subq    $8, %rsp
  21         movl    (%rdi), %edx
  22         andl    $32768, %edx
  23         jne     .L2
  24         movq    136(%rdi), %rdi
  25         movq    %fs:16, %r13
  26         cmpq    %r13, 8(%rdi)
  27         je      .L3
  28 #APP
  29 # 35 "fseek.c" 1
  30         movl %fs:24,%eax
  31 # 0 "" 2
  32 #NO_APP
  33         testl   %eax, %eax
  34         jne     .L4
  35         movl    $1, %edx
  36 #APP
  37 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  38         cmpxchgl %edx, (%rdi)
  39 # 0 "" 2
  40 #NO_APP
  41 .L5:
  42         movq    136(%rbx), %rdi
  43         movq    %r13, 8(%rdi)
  44 .L3:
  45         addl    $1, 4(%rdi)
  46 .L2:
  47         movl    $3, %ecx
  48         movl    %r12d, %edx
  49         movq    %rbp, %rsi
  50         movq    %rbx, %rdi
  51 .LEHB0:
  52         call    _IO_seekoff_unlocked
  53         xorl    %r8d, %r8d
  54         cmpq    $-1, %rax
  55         sete    %r8b
  56         negl    %r8d
  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     .L11
  73         subl    $1, (%rdi)
  74 .L1:
  75         addq    $8, %rsp
  76         movl    %r8d, %eax
  77         popq    %rbx
  78         popq    %rbp
  79         popq    %r12
  80         popq    %r13
  81         ret
  82         .p2align 4,,10
  83         .p2align 3
  84 .L4:
  85         movl    $1, %ecx
  86         movl    %edx, %eax
  87         lock cmpxchgl   %ecx, (%rdi)
  88         je      .L5
  89         call    __lll_lock_wait_private
  90 .LEHE0:
  91         jmp     .L5
  92         .p2align 4,,10
  93         .p2align 3
  94 .L11:
  95 #APP
  96 # 885 "libioP.h" 1
  97         xchgl %eax, (%rdi)
  98 # 0 "" 2
  99 #NO_APP
 100         cmpl    $1, %eax
 101         jle     .L1
 102         xorl    %r10d, %r10d
 103         movl    $1, %edx
 104         movl    $129, %esi
 105         movl    $202, %eax
 106 #APP
 107 # 885 "libioP.h" 1
 108         syscall
 109
 110 # 0 "" 2
 111 #NO_APP
 112         jmp     .L1
 113 .L15:
 114         testl   $32768, (%rbx)
 115         movq    %rax, %r8
 116         jne     .L13
 117         movq    136(%rbx), %rdi
 118         movl    4(%rdi), %eax
 119         subl    $1, %eax
 120         testl   %eax, %eax
 121         movl    %eax, 4(%rdi)
 122         jne     .L13
 123         movq    $0, 8(%rdi)
 124 #APP
 125 # 885 "libioP.h" 1
 126         movl %fs:24,%edx
 127 # 0 "" 2
 128 #NO_APP
 129         testl   %edx, %edx
 130         jne     .L14
 131         subl    $1, (%rdi)
 132 .L13:
 133         movq    %r8, %rdi
 134 .LEHB1:
 135         call    _Unwind_Resume@PLT
 136 .LEHE1:
 137 .L14:
 138 #APP
 139 # 885 "libioP.h" 1
 140         xchgl %eax, (%rdi)
 141 # 0 "" 2
 142 #NO_APP
 143         subl    $1, %eax
 144         jle     .L13
 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     .L13
 156 .LFE68:
 157         .globl  __gcc_personality_v0
 158         .section        .gcc_except_table,"a",@progbits
 159 .LLSDA68:
 160         .byte   0xff
 161         .byte   0xff
 162         .byte   0x1
 163         .uleb128 .LLSDACSE68-.LLSDACSB68
 164 .LLSDACSB68:
 165         .uleb128 .LEHB0-.LFB68
 166         .uleb128 .LEHE0-.LEHB0
 167         .uleb128 .L15-.LFB68
 168         .uleb128 0
 169         .uleb128 .LEHB1-.LFB68
 170         .uleb128 .LEHE1-.LEHB1
 171         .uleb128 0
 172         .uleb128 0
 173 .LLSDACSE68:
 174         .text
 175         .size   __GI_fseek, .-__GI_fseek
 176         .globl  fseek
 177         .set    fseek,__GI_fseek
 178         .hidden DW.ref.__gcc_personality_v0
 179         .weak   DW.ref.__gcc_personality_v0
 180         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 181         .align 8
 182         .type   DW.ref.__gcc_personality_v0, @object
 183         .size   DW.ref.__gcc_personality_v0, 8
 184 DW.ref.__gcc_personality_v0:
 185         .quad   __gcc_personality_v0
 186         .hidden __lll_lock_wait_private
 187         .hidden _IO_seekoff_unlocked