debug/fread_chk.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __fread_chk
   4         .type   __fread_chk, @function
   5 __fread_chk:
   6 .LFB68:
   7         pushq   %r15
   8         pushq   %r14
   9         movl    $4294967295, %eax
  10         pushq   %r13
  11         pushq   %r12
  12         movq    %rdi, %r14
  13         pushq   %rbp
  14         pushq   %rbx
  15         movq    %rdx, %rbp
  16         movq    %rdx, %rbx
  17         orq     %rcx, %rdx
  18         movq    %rcx, %r13
  19         subq    $8, %rsp
  20         movq    %r8, %r12
  21         imulq   %rcx, %rbx
  22         cmpq    %rax, %rdx
  23         jbe     .L2
  24         testq   %rbp, %rbp
  25         jne     .L31
  26 .L2:
  27         cmpq    %rsi, %rbx
  28         ja      .L3
  29         testq   %rbx, %rbx
  30         je      .L1
  31         movl    (%r12), %edx
  32         andl    $32768, %edx
  33         jne     .L5
  34         movq    136(%r12), %rdi
  35         movq    %fs:16, %r15
  36         cmpq    %r15, 8(%rdi)
  37         je      .L6
  38 #APP
  39 # 50 "fread_chk.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(%r12), %rdi
  53         movq    %r15, 8(%rdi)
  54 .L6:
  55         addl    $1, 4(%rdi)
  56 .L5:
  57         movq    %rbx, %rdx
  58         movq    %r14, %rsi
  59         movq    %r12, %rdi
  60 .LEHB0:
  61         call    _IO_sgetn
  62 .LEHE0:
  63         testl   $32768, (%r12)
  64         movq    %rax, %r8
  65         jne     .L12
  66         movq    136(%r12), %rdi
  67         movl    4(%rdi), %eax
  68         subl    $1, %eax
  69         testl   %eax, %eax
  70         movl    %eax, 4(%rdi)
  71         jne     .L12
  72         movq    $0, 8(%rdi)
  73 #APP
  74 # 885 "../libio/libioP.h" 1
  75         movl %fs:24,%edx
  76 # 0 "" 2
  77 #NO_APP
  78         testl   %edx, %edx
  79         jne     .L14
  80         subl    $1, (%rdi)
  81 .L12:
  82         cmpq    %r8, %rbx
  83         je      .L18
  84         movq    %r8, %rax
  85         xorl    %edx, %edx
  86         divq    %rbp
  87         movq    %rax, %rbx
  88 .L1:
  89         addq    $8, %rsp
  90         movq    %rbx, %rax
  91         popq    %rbx
  92         popq    %rbp
  93         popq    %r12
  94         popq    %r13
  95         popq    %r14
  96         popq    %r15
  97         ret
  98         .p2align 4,,10
  99         .p2align 3
 100 .L31:
 101         xorl    %edx, %edx
 102         movq    %rbx, %rax
 103         divq    %rbp
 104         cmpq    %rcx, %rax
 105         je      .L2
 106         .p2align 4,,10
 107         .p2align 3
 108 .L3:
 109 .LEHB1:
 110         call    __chk_fail
 111 .LEHE1:
 112         .p2align 4,,10
 113         .p2align 3
 114 .L18:
 115         movq    %r13, %rbx
 116         jmp     .L1
 117         .p2align 4,,10
 118         .p2align 3
 119 .L7:
 120         movl    $1, %ecx
 121         movl    %edx, %eax
 122         lock cmpxchgl   %ecx, (%rdi)
 123         je      .L8
 124 .LEHB2:
 125         call    __lll_lock_wait_private
 126 .LEHE2:
 127         jmp     .L8
 128         .p2align 4,,10
 129         .p2align 3
 130 .L14:
 131 #APP
 132 # 885 "../libio/libioP.h" 1
 133         xchgl %eax, (%rdi)
 134 # 0 "" 2
 135 #NO_APP
 136         cmpl    $1, %eax
 137         jle     .L12
 138         xorl    %r10d, %r10d
 139         movl    $1, %edx
 140         movl    $129, %esi
 141         movl    $202, %eax
 142 #APP
 143 # 885 "../libio/libioP.h" 1
 144         syscall
 145
 146 # 0 "" 2
 147 #NO_APP
 148         jmp     .L12
 149 .L19:
 150         testl   $32768, (%r12)
 151         movq    %rax, %r8
 152         jne     .L16
 153         movq    136(%r12), %rdi
 154         movl    4(%rdi), %eax
 155         subl    $1, %eax
 156         testl   %eax, %eax
 157         movl    %eax, 4(%rdi)
 158         jne     .L16
 159         movq    $0, 8(%rdi)
 160 #APP
 161 # 885 "../libio/libioP.h" 1
 162         movl %fs:24,%edx
 163 # 0 "" 2
 164 #NO_APP
 165         testl   %edx, %edx
 166         jne     .L17
 167         subl    $1, (%rdi)
 168 .L16:
 169         movq    %r8, %rdi
 170 .LEHB3:
 171         call    _Unwind_Resume@PLT
 172 .LEHE3:
 173 .L17:
 174 #APP
 175 # 885 "../libio/libioP.h" 1
 176         xchgl %eax, (%rdi)
 177 # 0 "" 2
 178 #NO_APP
 179         subl    $1, %eax
 180         jle     .L16
 181         xorl    %r10d, %r10d
 182         movl    $1, %edx
 183         movl    $129, %esi
 184         movl    $202, %eax
 185 #APP
 186 # 885 "../libio/libioP.h" 1
 187         syscall
 188
 189 # 0 "" 2
 190 #NO_APP
 191         jmp     .L16
 192 .LFE68:
 193         .globl  __gcc_personality_v0
 194         .section        .gcc_except_table,"a",@progbits
 195 .LLSDA68:
 196         .byte   0xff
 197         .byte   0xff
 198         .byte   0x1
 199         .uleb128 .LLSDACSE68-.LLSDACSB68
 200 .LLSDACSB68:
 201         .uleb128 .LEHB0-.LFB68
 202         .uleb128 .LEHE0-.LEHB0
 203         .uleb128 .L19-.LFB68
 204         .uleb128 0
 205         .uleb128 .LEHB1-.LFB68
 206         .uleb128 .LEHE1-.LEHB1
 207         .uleb128 0
 208         .uleb128 0
 209         .uleb128 .LEHB2-.LFB68
 210         .uleb128 .LEHE2-.LEHB2
 211         .uleb128 .L19-.LFB68
 212         .uleb128 0
 213         .uleb128 .LEHB3-.LFB68
 214         .uleb128 .LEHE3-.LEHB3
 215         .uleb128 0
 216         .uleb128 0
 217 .LLSDACSE68:
 218         .text
 219         .size   __fread_chk, .-__fread_chk
 220         .hidden DW.ref.__gcc_personality_v0
 221         .weak   DW.ref.__gcc_personality_v0
 222         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 223         .align 8
 224         .type   DW.ref.__gcc_personality_v0, @object
 225         .size   DW.ref.__gcc_personality_v0, 8
 226 DW.ref.__gcc_personality_v0:
 227         .quad   __gcc_personality_v0
 228         .hidden __lll_lock_wait_private
 229         .hidden __chk_fail
 230         .hidden _IO_sgetn