login/ptsname.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __ptsname_r
   4         .hidden __ptsname_r
   5         .type   __ptsname_r, @function
   6 __ptsname_r:
   7         pushq   %r15
   8         pushq   %r14
   9         movq    %rdx, %r14
  10         pushq   %r13
  11         pushq   %r12
  12         xorl    %eax, %eax
  13         pushq   %rbp
  14         pushq   %rbx
  15         movq    %rsi, %r13
  16         movl    $2147767344, %esi
  17         subq    $56, %rsp
  18         movq    __libc_errno@gottpoff(%rip), %rbp
  19         leaq    12(%rsp), %rdx
  20         movl    %fs:0(%rbp), %r15d
  21         call    __ioctl
  22         testl   %eax, %eax
  23         je      .L7
  24         movl    %fs:0(%rbp), %ebx
  25 .L1:
  26         addq    $56, %rsp
  27         movl    %ebx, %eax
  28         popq    %rbx
  29         popq    %rbp
  30         popq    %r12
  31         popq    %r13
  32         popq    %r14
  33         popq    %r15
  34         ret
  35         .p2align 4,,10
  36         .p2align 3
  37 .L7:
  38         movl    12(%rsp), %edi
  39         leaq    16(%rsp), %r12
  40         leaq    36(%rsp), %rsi
  41         xorl    %ecx, %ecx
  42         movl    $10, %edx
  43         movl    %eax, %ebx
  44         movb    $0, 36(%rsp)
  45         call    _itoa_word
  46         leaq    21(%r12), %rdx
  47         subq    %rax, %rdx
  48         leaq    9(%rdx), %rcx
  49         cmpq    %r14, %rcx
  50         ja      .L8
  51         movabsq $8319397760812278831, %rcx
  52         leaq    9(%r13), %rdi
  53         movq    %rax, %rsi
  54         movq    %rcx, 0(%r13)
  55         movl    $47, %ecx
  56         movw    %cx, 8(%r13)
  57         call    memcpy@PLT
  58         movl    %r15d, %fs:0(%rbp)
  59         jmp     .L1
  60         .p2align 4,,10
  61         .p2align 3
  62 .L8:
  63         movl    $34, %fs:0(%rbp)
  64         movl    $34, %ebx
  65         jmp     .L1
  66         .size   __ptsname_r, .-__ptsname_r
  67         .weak   ptsname_r
  68         .set    ptsname_r,__ptsname_r
  69         .p2align 4,,15
  70         .globl  ptsname
  71         .type   ptsname, @function
  72 ptsname:
  73         leaq    buffer(%rip), %rsi
  74         subq    $8, %rsp
  75         movl    $30, %edx
  76         call    __ptsname_r
  77         testl   %eax, %eax
  78         leaq    buffer(%rip), %rax
  79         movl    $0, %edx
  80         cmovne  %rdx, %rax
  81         addq    $8, %rsp
  82         ret
  83         .size   ptsname, .-ptsname
  84         .local  buffer
  85         .comm   buffer,30,16
  86         .hidden _itoa_word
  87         .hidden __ioctl