libio/iopadn.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_padn
   4         .hidden _IO_padn
   5         .type   _IO_padn, @function
   6 _IO_padn:
   7         pushq   %r15
   8         pushq   %r14
   9         pushq   %r13
  10         pushq   %r12
  11         leaq    blanks(%rip), %r13
  12         pushq   %rbp
  13         pushq   %rbx
  14         movq    %rdi, %rbp
  15         subq    $40, %rsp
  16         cmpl    $32, %esi
  17         je      .L2
  18         cmpl    $48, %esi
  19         leaq    zeroes(%rip), %r13
  20         je      .L2
  21         leaq    16(%rsp), %r13
  22         leaq    15(%rsp), %rcx
  23         leaq    15(%r13), %rax
  24         .p2align 4,,10
  25         .p2align 3
  26 .L3:
  27         movb    %sil, (%rax)
  28         subq    $1, %rax
  29         cmpq    %rcx, %rax
  30         jne     .L3
  31 .L2:
  32         cmpl    $15, %edx
  33         movl    %edx, %r15d
  34         jle     .L13
  35         movl    %edx, %r12d
  36         movq    __stop___libc_IO_vtables@GOTPCREL(%rip), %r14
  37         xorl    %ebx, %ebx
  38         subq    __start___libc_IO_vtables@GOTPCREL(%rip), %r14
  39         andl    $15, %r12d
  40         jmp     .L8
  41         .p2align 4,,10
  42         .p2align 3
  43 .L5:
  44         movl    $16, %edx
  45         movq    %r13, %rsi
  46         movq    %rbp, %rdi
  47         call    *56(%rax)
  48         addq    %rax, %rbx
  49         cmpq    $16, %rax
  50         jne     .L1
  51         subl    $16, %r15d
  52         cmpl    %r12d, %r15d
  53         je      .L4
  54 .L8:
  55         movq    216(%rbp), %rax
  56         movq    %rax, %rdx
  57         subq    __start___libc_IO_vtables@GOTPCREL(%rip), %rdx
  58         cmpq    %rdx, %r14
  59         ja      .L5
  60         movq    %rax, 8(%rsp)
  61         call    _IO_vtable_check
  62         movq    8(%rsp), %rax
  63         jmp     .L5
  64         .p2align 4,,10
  65         .p2align 3
  66 .L13:
  67         xorl    %ebx, %ebx
  68         .p2align 4,,10
  69         .p2align 3
  70 .L4:
  71         testl   %r15d, %r15d
  72         jle     .L1
  73         movq    216(%rbp), %r12
  74         movq    __start___libc_IO_vtables@GOTPCREL(%rip), %rdx
  75         movq    __stop___libc_IO_vtables@GOTPCREL(%rip), %rax
  76         movq    %r12, %rcx
  77         subq    %rdx, %rax
  78         subq    %rdx, %rcx
  79         cmpq    %rcx, %rax
  80         jbe     .L20
  81 .L10:
  82         movslq  %r15d, %rdx
  83         movq    %r13, %rsi
  84         movq    %rbp, %rdi
  85         call    *56(%r12)
  86         addq    %rax, %rbx
  87 .L1:
  88         addq    $40, %rsp
  89         movq    %rbx, %rax
  90         popq    %rbx
  91         popq    %rbp
  92         popq    %r12
  93         popq    %r13
  94         popq    %r14
  95         popq    %r15
  96         ret
  97 .L20:
  98         call    _IO_vtable_check
  99         jmp     .L10
 100         .size   _IO_padn, .-_IO_padn
 101         .section        .rodata.cst16,"aM",@progbits,16
 102         .align 16
 103         .type   zeroes, @object
 104         .size   zeroes, 16
 105 zeroes:
 106         .byte   48
 107         .byte   48
 108         .byte   48
 109         .byte   48
 110         .byte   48
 111         .byte   48
 112         .byte   48
 113         .byte   48
 114         .byte   48
 115         .byte   48
 116         .byte   48
 117         .byte   48
 118         .byte   48
 119         .byte   48
 120         .byte   48
 121         .byte   48
 122         .align 16
 123         .type   blanks, @object
 124         .size   blanks, 16
 125 blanks:
 126         .byte   32
 127         .byte   32
 128         .byte   32
 129         .byte   32
 130         .byte   32
 131         .byte   32
 132         .byte   32
 133         .byte   32
 134         .byte   32
 135         .byte   32
 136         .byte   32
 137         .byte   32
 138         .byte   32
 139         .byte   32
 140         .byte   32
 141         .byte   32
 142         .weak   __start___libc_IO_vtables
 143         .weak   __stop___libc_IO_vtables
 144         .hidden _IO_vtable_check