login/getutline_r.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __getutline_r
   4         .hidden __getutline_r
   5         .type   __getutline_r, @function
   6 __getutline_r:
   7         pushq   %rbx
   8         movq    %rdi, %rbx
   9         subq    $16, %rsp
  10 #APP
  11 # 37 "getutline_r.c" 1
  12         movl %fs:24,%eax
  13 # 0 "" 2
  14 #NO_APP
  15         testl   %eax, %eax
  16         jne     .L2
  17         movl    $1, %ecx
  18 #APP
  19 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  20         cmpxchgl %ecx, __libc_utmp_lock(%rip)
  21 # 0 "" 2
  22 #NO_APP
  23 .L3:
  24         movq    %rbx, %rdi
  25         call    __libc_getutline_r
  26         movl    %eax, %r8d
  27 #APP
  28 # 41 "getutline_r.c" 1
  29         movl %fs:24,%eax
  30 # 0 "" 2
  31 #NO_APP
  32         testl   %eax, %eax
  33         jne     .L4
  34         subl    $1, __libc_utmp_lock(%rip)
  35 .L1:
  36         addq    $16, %rsp
  37         movl    %r8d, %eax
  38         popq    %rbx
  39         ret
  40         .p2align 4,,10
  41         .p2align 3
  42 .L2:
  43         xorl    %eax, %eax
  44         movl    $1, %ecx
  45         lock cmpxchgl   %ecx, __libc_utmp_lock(%rip)
  46         je      .L3
  47         leaq    __libc_utmp_lock(%rip), %rdi
  48         movq    %rdx, 8(%rsp)
  49         movq    %rsi, (%rsp)
  50         call    __lll_lock_wait_private
  51         movq    8(%rsp), %rdx
  52         movq    (%rsp), %rsi
  53         jmp     .L3
  54         .p2align 4,,10
  55         .p2align 3
  56 .L4:
  57         xorl    %eax, %eax
  58 #APP
  59 # 41 "getutline_r.c" 1
  60         xchgl %eax, __libc_utmp_lock(%rip)
  61 # 0 "" 2
  62 #NO_APP
  63         cmpl    $1, %eax
  64         jle     .L1
  65         xorl    %r10d, %r10d
  66         movl    $1, %edx
  67         movl    $129, %esi
  68         leaq    __libc_utmp_lock(%rip), %rdi
  69         movl    $202, %eax
  70 #APP
  71 # 41 "getutline_r.c" 1
  72         syscall
  73
  74 # 0 "" 2
  75 #NO_APP
  76         jmp     .L1
  77         .size   __getutline_r, .-__getutline_r
  78         .weak   getutline_r
  79         .set    getutline_r,__getutline_r
  80         .hidden __lll_lock_wait_private
  81         .hidden __libc_getutline_r
  82         .hidden __libc_utmp_lock