libio/filedoalloc.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_file_doallocate
   4         .hidden _IO_file_doallocate
   5         .type   _IO_file_doallocate, @function
   6 _IO_file_doallocate:
   7         pushq   %r12
   8         pushq   %rbp
   9         movq    %rdi, %rbp
  10         pushq   %rbx
  11         subq    $144, %rsp
  12         movl    112(%rdi), %eax
  13         testl   %eax, %eax
  14         js      .L2
  15         movq    216(%rdi), %rbx
  16         movq    __start___libc_IO_vtables@GOTPCREL(%rip), %rdx
  17         movq    __stop___libc_IO_vtables@GOTPCREL(%rip), %rax
  18         movq    %rbx, %rcx
  19         subq    %rdx, %rax
  20         subq    %rdx, %rcx
  21         cmpq    %rcx, %rax
  22         jbe     .L15
  23 .L3:
  24         movq    %rsp, %rsi
  25         movq    %rbp, %rdi
  26         call    *144(%rbx)
  27         testl   %eax, %eax
  28         js      .L2
  29         movl    24(%rsp), %eax
  30         andl    $61440, %eax
  31         cmpl    $8192, %eax
  32         je      .L16
  33 .L5:
  34         movq    56(%rsp), %rbx
  35         leaq    -1(%rbx), %rax
  36         cmpq    $8190, %rax
  37         ja      .L2
  38 .L9:
  39         movq    %rbx, %rdi
  40         call    malloc@PLT
  41         movq    %rax, %rsi
  42         movl    $-1, %eax
  43         testq   %rsi, %rsi
  44         je      .L1
  45         leaq    (%rsi,%rbx), %rdx
  46         movl    $1, %ecx
  47         movq    %rbp, %rdi
  48         call    _IO_setb
  49         movl    $1, %eax
  50 .L1:
  51         addq    $144, %rsp
  52         popq    %rbx
  53         popq    %rbp
  54         popq    %r12
  55         ret
  56         .p2align 4,,10
  57         .p2align 3
  58 .L2:
  59         movl    $8192, %ebx
  60         jmp     .L9
  61         .p2align 4,,10
  62         .p2align 3
  63 .L16:
  64         movq    40(%rsp), %rax
  65         movq    %rax, %rdx
  66         shrq    $32, %rax
  67         shrq    $8, %rdx
  68         andl    $-4096, %eax
  69         andl    $4095, %edx
  70         orl     %edx, %eax
  71         subl    $136, %eax
  72         cmpl    $7, %eax
  73         ja      .L6
  74 .L7:
  75         orl     $512, 0(%rbp)
  76         jmp     .L5
  77         .p2align 4,,10
  78         .p2align 3
  79 .L6:
  80         movq    __libc_errno@gottpoff(%rip), %rbx
  81         movl    112(%rbp), %edi
  82         movl    %fs:(%rbx), %r12d
  83         call    __isatty
  84         testl   %eax, %eax
  85         movl    %r12d, %fs:(%rbx)
  86         jne     .L7
  87         jmp     .L5
  88         .p2align 4,,10
  89         .p2align 3
  90 .L15:
  91         call    _IO_vtable_check
  92         jmp     .L3
  93         .size   _IO_file_doallocate, .-_IO_file_doallocate
  94         .weak   __stop___libc_IO_vtables
  95         .weak   __start___libc_IO_vtables
  96         .hidden _IO_vtable_check
  97         .hidden __isatty
  98         .hidden _IO_setb