libio/freopen.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  freopen
   9         .type   freopen, @function
  10 freopen:
  11 .LFB68:
  12         pushq   %r13
  13         pushq   %r12
  14         movq    %rsi, %r12
  15         pushq   %rbp
  16         pushq   %rbx
  17         movq    %rdx, %rbx
  18         movq    %rdi, %rbp
  19         subq    $40, %rsp
  20         movl    (%rdx), %edx
  21         andl    $32768, %edx
  22         jne     .L2
  23         movq    136(%rbx), %rdi
  24         movq    %fs:16, %r13
  25         cmpq    %r13, 8(%rdi)
  26         je      .L3
  27 #APP
  28 # 44 "freopen.c" 1
  29         movl %fs:24,%eax
  30 # 0 "" 2
  31 #NO_APP
  32         testl   %eax, %eax
  33         jne     .L4
  34         movl    $1, %edx
  35 #APP
  36 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  37         cmpxchgl %edx, (%rdi)
  38 # 0 "" 2
  39 #NO_APP
  40 .L5:
  41         movq    136(%rbx), %rdi
  42         movq    %r13, 8(%rdi)
  43 .L3:
  44         addl    $1, 4(%rdi)
  45 .L2:
  46         movq    216(%rbx), %r13
  47         leaq    __start___libc_IO_vtables(%rip), %rdx
  48         leaq    __stop___libc_IO_vtables(%rip), %rax
  49         subq    %rdx, %rax
  50         movq    %r13, %rcx
  51         subq    %rdx, %rcx
  52         cmpq    %rcx, %rax
  53         jbe     .L8
  54 .L10:
  55         movq    %rbx, %rdi
  56 .LEHB0:
  57         call    *96(%r13)
  58         movl    (%rbx), %eax
  59         testb   $32, %ah
  60         je      .L27
  61         testq   %rbp, %rbp
  62         movl    112(%rbx), %r13d
  63         je      .L40
  64 .L12:
  65         orl     $32, 116(%rbx)
  66         movq    %rbx, %rdi
  67         call    __GI__IO_file_close_it
  68         leaq    __GI__IO_file_jumps(%rip), %rax
  69         movq    %rax, 216(%rbx)
  70         movq    160(%rbx), %rax
  71         testq   %rax, %rax
  72         je      .L13
  73         leaq    __GI__IO_wfile_jumps(%rip), %rsi
  74         movq    %rsi, 224(%rax)
  75 .L13:
  76         movl    $1, %ecx
  77         movq    %r12, %rdx
  78         movq    %rbp, %rsi
  79         movq    %rbx, %rdi
  80         call    __GI__IO_file_fopen
  81         testq   %rax, %rax
  82         je      .L14
  83         movq    %rax, %rdi
  84         call    __fopen_maybe_mmap
  85         andl    $-33, 116(%rbx)
  86         testq   %rax, %rax
  87         movq    %rax, %rbp
  88         je      .L15
  89         cmpl    $-1, %r13d
  90         movl    $0, 192(%rax)
  91         je      .L37
  92         movl    112(%rax), %edi
  93         cmpl    %r13d, %edi
  94         je      .L37
  95         movl    116(%rax), %edx
  96         movl    %r13d, %esi
  97         sall    $13, %edx
  98         andl    $524288, %edx
  99         call    __GI___dup3
 100         cmpl    $-1, %eax
 101         je      .L41
 102         movl    112(%rbp), %edi
 103         call    __GI___close
 104         movl    %r13d, 112(%rbp)
 105 .L37:
 106         movl    (%rbx), %eax
 107         jmp     .L11
 108         .p2align 4,,10
 109         .p2align 3
 110 .L14:
 111         andl    $-33, 116(%rbx)
 112 .L15:
 113         cmpl    $-1, %r13d
 114         je      .L38
 115         movl    %r13d, %edi
 116         call    __GI___close
 117 .L38:
 118         movl    (%rbx), %eax
 119         xorl    %ebp, %ebp
 120 .L11:
 121         testb   $-128, %ah
 122         jne     .L1
 123         movq    136(%rbx), %rdi
 124         movl    4(%rdi), %eax
 125         subl    $1, %eax
 126         testl   %eax, %eax
 127         movl    %eax, 4(%rdi)
 128         jne     .L1
 129         movq    $0, 8(%rdi)
 130 #APP
 131 # 885 "../libio/libioP.h" 1
 132         movl %fs:24,%edx
 133 # 0 "" 2
 134 #NO_APP
 135         testl   %edx, %edx
 136         jne     .L23
 137         subl    $1, (%rdi)
 138 .L1:
 139         addq    $40, %rsp
 140         movq    %rbp, %rax
 141         popq    %rbx
 142         popq    %rbp
 143         popq    %r12
 144         popq    %r13
 145         ret
 146         .p2align 4,,10
 147         .p2align 3
 148 .L40:
 149         movq    %rsp, %rsi
 150         movl    %r13d, %edi
 151         call    __fd_to_filename
 152         movq    %rax, %rbp
 153         jmp     .L12
 154         .p2align 4,,10
 155         .p2align 3
 156 .L41:
 157         movq    %rbp, %rdi
 158         call    __GI__IO_file_close_it
 159         jmp     .L38
 160         .p2align 4,,10
 161         .p2align 3
 162 .L8:
 163         call    _IO_vtable_check
 164         jmp     .L10
 165         .p2align 4,,10
 166         .p2align 3
 167 .L27:
 168         xorl    %ebp, %ebp
 169         jmp     .L11
 170         .p2align 4,,10
 171         .p2align 3
 172 .L4:
 173         movl    $1, %ecx
 174         movl    %edx, %eax
 175         lock cmpxchgl   %ecx, (%rdi)
 176         je      .L5
 177         call    __lll_lock_wait_private
 178 .LEHE0:
 179         jmp     .L5
 180         .p2align 4,,10
 181         .p2align 3
 182 .L23:
 183 #APP
 184 # 885 "../libio/libioP.h" 1
 185         xchgl %eax, (%rdi)
 186 # 0 "" 2
 187 #NO_APP
 188         cmpl    $1, %eax
 189         jle     .L1
 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     .L1
 201 .L28:
 202         testl   $32768, (%rbx)
 203         movq    %rax, %r8
 204         jne     .L25
 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     .L25
 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     .L26
 219         subl    $1, (%rdi)
 220 .L25:
 221         movq    %r8, %rdi
 222 .LEHB1:
 223         call    _Unwind_Resume@PLT
 224 .LEHE1:
 225 .L26:
 226 #APP
 227 # 885 "../libio/libioP.h" 1
 228         xchgl %eax, (%rdi)
 229 # 0 "" 2
 230 #NO_APP
 231         subl    $1, %eax
 232         jle     .L25
 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     .L25
 244 .LFE68:
 245         .globl  __gcc_personality_v0
 246         .section        .gcc_except_table,"a",@progbits
 247 .LLSDA68:
 248         .byte   0xff
 249         .byte   0xff
 250         .byte   0x1
 251         .uleb128 .LLSDACSE68-.LLSDACSB68
 252 .LLSDACSB68:
 253         .uleb128 .LEHB0-.LFB68
 254         .uleb128 .LEHE0-.LEHB0
 255         .uleb128 .L28-.LFB68
 256         .uleb128 0
 257         .uleb128 .LEHB1-.LFB68
 258         .uleb128 .LEHE1-.LEHB1
 259         .uleb128 0
 260         .uleb128 0
 261 .LLSDACSE68:
 262         .text
 263         .size   freopen, .-freopen
 264         .hidden DW.ref.__gcc_personality_v0
 265         .weak   DW.ref.__gcc_personality_v0
 266         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 267         .align 8
 268         .type   DW.ref.__gcc_personality_v0, @object
 269         .size   DW.ref.__gcc_personality_v0, 8
 270 DW.ref.__gcc_personality_v0:
 271         .quad   __gcc_personality_v0
 272         .hidden __lll_lock_wait_private
 273         .hidden _IO_vtable_check
 274         .hidden __fd_to_filename
 275         .hidden __fopen_maybe_mmap
 276         .hidden __stop___libc_IO_vtables
 277         .hidden __start___libc_IO_vtables