libio/ioseekoff.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_seekoff_unlocked
   4         .hidden _IO_seekoff_unlocked
   5         .type   _IO_seekoff_unlocked, @function
   6 _IO_seekoff_unlocked:
   7 .LFB68:
   8         cmpl    $2, %edx
   9         ja      .L22
  10         pushq   %rbp
  11         pushq   %rbx
  12         movq    %rdi, %rbx
  13         subq    $24, %rsp
  14         testl   %ecx, %ecx
  15         je      .L4
  16         movl    192(%rdi), %eax
  17         testl   %eax, %eax
  18         js      .L27
  19         je      .L4
  20         movq    160(%rdi), %rax
  21         cmpq    $0, 64(%rax)
  22         je      .L4
  23         cmpl    $1, %edx
  24         je      .L28
  25 .L12:
  26         movq    %rbx, %rdi
  27         movl    %ecx, 12(%rsp)
  28         movl    %edx, 8(%rsp)
  29         movq    %rsi, (%rsp)
  30         call    _IO_free_wbackup_area
  31         movl    12(%rsp), %ecx
  32         movl    8(%rsp), %edx
  33         movq    (%rsp), %rsi
  34         .p2align 4,,10
  35         .p2align 3
  36 .L4:
  37         movq    216(%rbx), %rbp
  38         movq    __start___libc_IO_vtables@GOTPCREL(%rip), %rdi
  39         movq    __stop___libc_IO_vtables@GOTPCREL(%rip), %rax
  40         movq    %rbp, %r8
  41         subq    %rdi, %rax
  42         subq    %rdi, %r8
  43         cmpq    %r8, %rax
  44         jbe     .L29
  45 .L9:
  46         movq    72(%rbp), %rax
  47         addq    $24, %rsp
  48         movq    %rbx, %rdi
  49         popq    %rbx
  50         popq    %rbp
  51         jmp     *%rax
  52         .p2align 4,,10
  53         .p2align 3
  54 .L27:
  55         cmpq    $0, 72(%rdi)
  56         je      .L4
  57         cmpl    $1, %edx
  58         jne     .L8
  59         testl   $256, (%rdi)
  60         je      .L8
  61         movq    16(%rbx), %rax
  62         subq    8(%rbx), %rax
  63         subq    %rax, %rsi
  64 .L8:
  65         movq    %rbx, %rdi
  66         movl    %ecx, 12(%rsp)
  67         movl    %edx, 8(%rsp)
  68         movq    %rsi, (%rsp)
  69         call    _IO_free_backup_area
  70         movq    (%rsp), %rsi
  71         movl    8(%rsp), %edx
  72         movl    12(%rsp), %ecx
  73         jmp     .L4
  74         .p2align 4,,10
  75         .p2align 3
  76 .L29:
  77         movl    %ecx, 12(%rsp)
  78         movl    %edx, 8(%rsp)
  79         movq    %rsi, (%rsp)
  80         call    _IO_vtable_check
  81         movl    12(%rsp), %ecx
  82         movl    8(%rsp), %edx
  83         movq    (%rsp), %rsi
  84         jmp     .L9
  85         .p2align 4,,10
  86         .p2align 3
  87 .L22:
  88         movq    __libc_errno@gottpoff(%rip), %rax
  89         movl    $22, %fs:(%rax)
  90         movq    $-1, %rax
  91         ret
  92 .L28:
  93         testl   $256, (%rdi)
  94         je      .L12
  95         call    abort
  96 .LFE68:
  97         .size   _IO_seekoff_unlocked, .-_IO_seekoff_unlocked
  98         .p2align 4,,15
  99         .globl  _IO_seekoff
 100         .type   _IO_seekoff, @function
 101 _IO_seekoff:
 102 .LFB69:
 103         pushq   %r14
 104         pushq   %r13
 105         movl    %ecx, %r13d
 106         pushq   %r12
 107         movl    %edx, %r12d
 108         pushq   %rbp
 109         pushq   %rbx
 110         movl    (%rdi), %edx
 111         movq    %rdi, %rbx
 112         movq    %rsi, %rbp
 113         andl    $32768, %edx
 114         jne     .L31
 115         movq    136(%rdi), %rdi
 116         movq    %fs:16, %r14
 117         cmpq    %r14, 8(%rdi)
 118         je      .L32
 119 #APP
 120 # 68 "ioseekoff.c" 1
 121         movl %fs:24,%eax
 122 # 0 "" 2
 123 #NO_APP
 124         testl   %eax, %eax
 125         jne     .L33
 126         movl    $1, %edx
 127 #APP
 128 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
 129         cmpxchgl %edx, (%rdi)
 130 # 0 "" 2
 131 #NO_APP
 132 .L34:
 133         movq    136(%rbx), %rdi
 134         movq    %r14, 8(%rdi)
 135 .L32:
 136         addl    $1, 4(%rdi)
 137 .L31:
 138         movl    %r13d, %ecx
 139         movl    %r12d, %edx
 140         movq    %rbp, %rsi
 141         movq    %rbx, %rdi
 142 .LEHB0:
 143         call    _IO_seekoff_unlocked
 144         testl   $32768, (%rbx)
 145         movq    %rax, %r8
 146         jne     .L30
 147         movq    136(%rbx), %rdi
 148         movl    4(%rdi), %eax
 149         subl    $1, %eax
 150         testl   %eax, %eax
 151         movl    %eax, 4(%rdi)
 152         jne     .L30
 153         movq    $0, 8(%rdi)
 154 #APP
 155 # 885 "../libio/libioP.h" 1
 156         movl %fs:24,%edx
 157 # 0 "" 2
 158 #NO_APP
 159         testl   %edx, %edx
 160         jne     .L40
 161         subl    $1, (%rdi)
 162 .L30:
 163         popq    %rbx
 164         movq    %r8, %rax
 165         popq    %rbp
 166         popq    %r12
 167         popq    %r13
 168         popq    %r14
 169         ret
 170         .p2align 4,,10
 171         .p2align 3
 172 .L33:
 173         movl    $1, %ecx
 174         movl    %edx, %eax
 175         lock cmpxchgl   %ecx, (%rdi)
 176         je      .L34
 177         call    __lll_lock_wait_private
 178 .LEHE0:
 179         jmp     .L34
 180         .p2align 4,,10
 181         .p2align 3
 182 .L40:
 183 #APP
 184 # 885 "../libio/libioP.h" 1
 185         xchgl %eax, (%rdi)
 186 # 0 "" 2
 187 #NO_APP
 188         cmpl    $1, %eax
 189         jle     .L30
 190         xorl    %r10d, %r10d
 191         movl    $1, %edx
 192         movl    $129, %esi
 193         movl    $202, %eax
 194 #APP
 195 # 885 "../libio/libioP.h" 1
 196         syscall
 197
 198 # 0 "" 2
 199 #NO_APP
 200         jmp     .L30
 201 .L44:
 202         testl   $32768, (%rbx)
 203         movq    %rax, %r8
 204         jne     .L42
 205         movq    136(%rbx), %rdi
 206         movl    4(%rdi), %eax
 207         subl    $1, %eax
 208         testl   %eax, %eax
 209         movl    %eax, 4(%rdi)
 210         jne     .L42
 211         movq    $0, 8(%rdi)
 212 #APP
 213 # 885 "../libio/libioP.h" 1
 214         movl %fs:24,%edx
 215 # 0 "" 2
 216 #NO_APP
 217         testl   %edx, %edx
 218         jne     .L43
 219         subl    $1, (%rdi)
 220 .L42:
 221         movq    %r8, %rdi
 222 .LEHB1:
 223         call    _Unwind_Resume@PLT
 224 .LEHE1:
 225 .L43:
 226 #APP
 227 # 885 "../libio/libioP.h" 1
 228         xchgl %eax, (%rdi)
 229 # 0 "" 2
 230 #NO_APP
 231         subl    $1, %eax
 232         jle     .L42
 233         xorl    %r10d, %r10d
 234         movl    $1, %edx
 235         movl    $129, %esi
 236         movl    $202, %eax
 237 #APP
 238 # 885 "../libio/libioP.h" 1
 239         syscall
 240
 241 # 0 "" 2
 242 #NO_APP
 243         jmp     .L42
 244 .LFE69:
 245         .globl  __gcc_personality_v0
 246         .section        .gcc_except_table,"a",@progbits
 247 .LLSDA69:
 248         .byte   0xff
 249         .byte   0xff
 250         .byte   0x1
 251         .uleb128 .LLSDACSE69-.LLSDACSB69
 252 .LLSDACSB69:
 253         .uleb128 .LEHB0-.LFB69
 254         .uleb128 .LEHE0-.LEHB0
 255         .uleb128 .L44-.LFB69
 256         .uleb128 0
 257         .uleb128 .LEHB1-.LFB69
 258         .uleb128 .LEHE1-.LEHB1
 259         .uleb128 0
 260         .uleb128 0
 261 .LLSDACSE69:
 262         .text
 263         .size   _IO_seekoff, .-_IO_seekoff
 264         .weak   __stop___libc_IO_vtables
 265         .weak   __start___libc_IO_vtables
 266         .hidden DW.ref.__gcc_personality_v0
 267         .weak   DW.ref.__gcc_personality_v0
 268         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 269         .align 8
 270         .type   DW.ref.__gcc_personality_v0, @object
 271         .size   DW.ref.__gcc_personality_v0, 8
 272 DW.ref.__gcc_personality_v0:
 273         .quad   __gcc_personality_v0
 274         .hidden __lll_lock_wait_private
 275         .hidden abort
 276         .hidden _IO_vtable_check
 277         .hidden _IO_free_backup_area
 278         .hidden _IO_free_wbackup_area