libio/vtables.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6         .section        .rodata.str1.8,"aMS",@progbits,1
   7         .align 8
   8 .LC0:
   9         .string "Fatal error: glibc detected an invalid stdio handle\n"
  10 #NO_APP
  11         .text
  12         .p2align 4,,15
  13         .globl  _IO_vtable_check
  14         .hidden _IO_vtable_check
  15         .type   _IO_vtable_check, @function
  16 _IO_vtable_check:
  17         leaq    _IO_vtable_check(%rip), %rdi
  18         movq    IO_accept_foreign_vtables(%rip), %rax
  19 #APP
  20 # 46 "vtables.c" 1
  21         ror $2*8+1, %rax
  22 xor %fs:48, %rax
  23 # 0 "" 2
  24 #NO_APP
  25         cmpq    %rdi, %rax
  26         je      .L9
  27         movq    _rtld_global_ro@GOTPCREL(%rip), %rax
  28         cmpq    $0, 664(%rax)
  29         je      .L9
  30         subq    $56, %rsp
  31         xorl    %ecx, %ecx
  32         leaq    8(%rsp), %rdx
  33         leaq    16(%rsp), %rsi
  34         call    __GI__dl_addr
  35         testl   %eax, %eax
  36         je      .L4
  37         movq    8(%rsp), %rax
  38         cmpq    $0, 48(%rax)
  39         je      .L4
  40         addq    $56, %rsp
  41         ret
  42         .p2align 4,,10
  43         .p2align 3
  44 .L9:
  45         rep ret
  46 .L4:
  47         leaq    .LC0(%rip), %rdi
  48         call    __GI___libc_fatal
  49         .size   _IO_vtable_check, .-_IO_vtable_check
  50         .section        .text.startup,"ax",@progbits
  51         .p2align 4,,15
  52         .type   check_stdfiles_vtables, @function
  53 check_stdfiles_vtables:
  54         movq    _IO_2_1_stdin_@GOTPCREL(%rip), %rdx
  55         leaq    __GI__IO_file_jumps(%rip), %rax
  56         cmpq    %rax, 216(%rdx)
  57         je      .L17
  58 .L14:
  59         leaq    _IO_vtable_check(%rip), %rax
  60 #APP
  61 # 915 "../libio/libioP.h" 1
  62         xor %fs:48, %rax
  63 rol $2*8+1, %rax
  64 # 0 "" 2
  65 #NO_APP
  66         movq    %rax, IO_accept_foreign_vtables(%rip)
  67         ret
  68 .L17:
  69         movq    _IO_2_1_stdout_@GOTPCREL(%rip), %rdx
  70         cmpq    %rax, 216(%rdx)
  71         jne     .L14
  72         movq    _IO_2_1_stderr_@GOTPCREL(%rip), %rdx
  73         cmpq    %rax, 216(%rdx)
  74         jne     .L14
  75         ret
  76         .size   check_stdfiles_vtables, .-check_stdfiles_vtables
  77         .section        .ctors,"aw",@progbits
  78         .align 8
  79         .quad   check_stdfiles_vtables
  80         .hidden IO_accept_foreign_vtables
  81         .comm   IO_accept_foreign_vtables,8,8