libio/freopen64.s

   1         .text
   2         .p2align 4,,15
   3         .globl  freopen64
   4         .type   freopen64, @function
   5 freopen64:
   6 .LFB68:
   7         pushq   %r13
   8         pushq   %r12
   9         movq    %rsi, %r12
  10         pushq   %rbp
  11         pushq   %rbx
  12         movq    %rdx, %rbx
  13         movq    %rdi, %rbp
  14         subq    $40, %rsp
  15         movl    (%rdx), %edx
  16         andl    $32768, %edx
  17         jne     .L2
  18         movq    136(%rbx), %rdi
  19         movq    %fs:16, %r13
  20         cmpq    %r13, 8(%rdi)
  21         je      .L3
  22 #APP
  23 # 43 "freopen64.c" 1
  24         movl %fs:24,%eax
  25 # 0 "" 2
  26 #NO_APP
  27         testl   %eax, %eax
  28         jne     .L4
  29         movl    $1, %edx
  30 #APP
  31 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  32         cmpxchgl %edx, (%rdi)
  33 # 0 "" 2
  34 #NO_APP
  35 .L5:
  36         movq    136(%rbx), %rdi
  37         movq    %r13, 8(%rdi)
  38 .L3:
  39         addl    $1, 4(%rdi)
  40 .L2:
  41         movq    216(%rbx), %r13
  42         movq    __start___libc_IO_vtables@GOTPCREL(%rip), %rdx
  43         movq    __stop___libc_IO_vtables@GOTPCREL(%rip), %rax
  44         movq    %r13, %rcx
  45         subq    %rdx, %rax
  46         subq    %rdx, %rcx
  47         cmpq    %rcx, %rax
  48         jbe     .L8
  49 .L10:
  50         movq    %rbx, %rdi
  51 .LEHB0:
  52         call    *96(%r13)
  53         movl    (%rbx), %eax
  54         testb   $32, %ah
  55         je      .L26
  56         testq   %rbp, %rbp
  57         movl    112(%rbx), %r13d
  58         je      .L42
  59 .L12:
  60         orl     $32, 116(%rbx)
  61         movq    %rbx, %rdi
  62         call    _IO_file_close_it
  63         leaq    _IO_file_jumps(%rip), %rax
  64         movq    %rax, 216(%rbx)
  65         movq    160(%rbx), %rax
  66         testq   %rax, %rax
  67         je      .L13
  68         leaq    _IO_wfile_jumps(%rip), %rsi
  69         movq    %rsi, 224(%rax)
  70 .L13:
  71         xorl    %ecx, %ecx
  72         movq    %r12, %rdx
  73         movq    %rbp, %rsi
  74         movq    %rbx, %rdi
  75         call    _IO_file_fopen
  76         andl    $-33, 116(%rbx)
  77         testq   %rax, %rax
  78         je      .L14
  79         movq    %rax, %rdi
  80         call    __fopen_maybe_mmap
  81         testq   %rax, %rax
  82         movq    %rax, %rbp
  83         je      .L14
  84         cmpl    $-1, %r13d
  85         movl    $0, 192(%rax)
  86         je      .L39
  87         movl    112(%rax), %edi
  88         cmpl    %r13d, %edi
  89         je      .L39
  90         movl    116(%rax), %edx
  91         movl    %r13d, %esi
  92         sall    $13, %edx
  93         andl    $524288, %edx
  94         call    __dup3
  95         cmpl    $-1, %eax
  96         je      .L43
  97         movl    112(%rbp), %edi
  98         call    __close
  99         movl    %r13d, 112(%rbp)
 100 .L39:
 101         movl    (%rbx), %eax
 102         jmp     .L11
 103         .p2align 4,,10
 104         .p2align 3
 105 .L14:
 106         cmpl    $-1, %r13d
 107         je      .L40
 108         movl    %r13d, %edi
 109         call    __close
 110 .L40:
 111         movl    (%rbx), %eax
 112         xorl    %ebp, %ebp
 113 .L11:
 114         testb   $-128, %ah
 115         jne     .L1
 116         movq    136(%rbx), %rdi
 117         movl    4(%rdi), %eax
 118         subl    $1, %eax
 119         testl   %eax, %eax
 120         movl    %eax, 4(%rdi)
 121         jne     .L1
 122         movq    $0, 8(%rdi)
 123 #APP
 124 # 885 "../libio/libioP.h" 1
 125         movl %fs:24,%edx
 126 # 0 "" 2
 127 #NO_APP
 128         testl   %edx, %edx
 129         jne     .L22
 130         subl    $1, (%rdi)
 131 .L1:
 132         addq    $40, %rsp
 133         movq    %rbp, %rax
 134         popq    %rbx
 135         popq    %rbp
 136         popq    %r12
 137         popq    %r13
 138         ret
 139         .p2align 4,,10
 140         .p2align 3
 141 .L42:
 142         movq    %rsp, %rsi
 143         movl    %r13d, %edi
 144         call    __fd_to_filename
 145         movq    %rax, %rbp
 146         jmp     .L12
 147         .p2align 4,,10
 148         .p2align 3
 149 .L43:
 150         movq    %rbp, %rdi
 151         call    _IO_file_close_it
 152         jmp     .L40
 153         .p2align 4,,10
 154         .p2align 3
 155 .L8:
 156         call    _IO_vtable_check
 157         jmp     .L10
 158         .p2align 4,,10
 159         .p2align 3
 160 .L26:
 161         xorl    %ebp, %ebp
 162         jmp     .L11
 163         .p2align 4,,10
 164         .p2align 3
 165 .L4:
 166         movl    $1, %ecx
 167         movl    %edx, %eax
 168         lock cmpxchgl   %ecx, (%rdi)
 169         je      .L5
 170         call    __lll_lock_wait_private
 171 .LEHE0:
 172         jmp     .L5
 173         .p2align 4,,10
 174         .p2align 3
 175 .L22:
 176 #APP
 177 # 885 "../libio/libioP.h" 1
 178         xchgl %eax, (%rdi)
 179 # 0 "" 2
 180 #NO_APP
 181         cmpl    $1, %eax
 182         jle     .L1
 183         xorl    %r10d, %r10d
 184         movl    $1, %edx
 185         movl    $129, %esi
 186         movl    $202, %eax
 187 #APP
 188 # 885 "../libio/libioP.h" 1
 189         syscall
 190
 191 # 0 "" 2
 192 #NO_APP
 193         jmp     .L1
 194 .L27:
 195         testl   $32768, (%rbx)
 196         movq    %rax, %r8
 197         jne     .L24
 198         movq    136(%rbx), %rdi
 199         movl    4(%rdi), %eax
 200         subl    $1, %eax
 201         testl   %eax, %eax
 202         movl    %eax, 4(%rdi)
 203         jne     .L24
 204         movq    $0, 8(%rdi)
 205 #APP
 206 # 885 "../libio/libioP.h" 1
 207         movl %fs:24,%edx
 208 # 0 "" 2
 209 #NO_APP
 210         testl   %edx, %edx
 211         jne     .L25
 212         subl    $1, (%rdi)
 213 .L24:
 214         movq    %r8, %rdi
 215 .LEHB1:
 216         call    _Unwind_Resume@PLT
 217 .LEHE1:
 218 .L25:
 219 #APP
 220 # 885 "../libio/libioP.h" 1
 221         xchgl %eax, (%rdi)
 222 # 0 "" 2
 223 #NO_APP
 224         subl    $1, %eax
 225         jle     .L24
 226         xorl    %r10d, %r10d
 227         movl    $1, %edx
 228         movl    $129, %esi
 229         movl    $202, %eax
 230 #APP
 231 # 885 "../libio/libioP.h" 1
 232         syscall
 233
 234 # 0 "" 2
 235 #NO_APP
 236         jmp     .L24
 237 .LFE68:
 238         .globl  __gcc_personality_v0
 239         .section        .gcc_except_table,"a",@progbits
 240 .LLSDA68:
 241         .byte   0xff
 242         .byte   0xff
 243         .byte   0x1
 244         .uleb128 .LLSDACSE68-.LLSDACSB68
 245 .LLSDACSB68:
 246         .uleb128 .LEHB0-.LFB68
 247         .uleb128 .LEHE0-.LEHB0
 248         .uleb128 .L27-.LFB68
 249         .uleb128 0
 250         .uleb128 .LEHB1-.LFB68
 251         .uleb128 .LEHE1-.LEHB1
 252         .uleb128 0
 253         .uleb128 0
 254 .LLSDACSE68:
 255         .text
 256         .size   freopen64, .-freopen64
 257         .weak   __stop___libc_IO_vtables
 258         .weak   __start___libc_IO_vtables
 259         .hidden DW.ref.__gcc_personality_v0
 260         .weak   DW.ref.__gcc_personality_v0
 261         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 262         .align 8
 263         .type   DW.ref.__gcc_personality_v0, @object
 264         .size   DW.ref.__gcc_personality_v0, 8
 265 DW.ref.__gcc_personality_v0:
 266         .quad   __gcc_personality_v0
 267         .hidden __lll_lock_wait_private
 268         .hidden _IO_vtable_check
 269         .hidden __fd_to_filename
 270         .hidden __close
 271         .hidden __dup3
 272         .hidden __fopen_maybe_mmap
 273         .hidden _IO_file_fopen
 274         .hidden _IO_wfile_jumps
 275         .hidden _IO_file_jumps
 276         .hidden _IO_file_close_it