login/getutid_r.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __getutid_r
   4         .hidden __getutid_r
   5         .type   __getutid_r, @function
   6 __getutid_r:
   7         movzwl  (%rdi), %eax
   8         subl    $1, %eax
   9         cmpw    $7, %ax
  10         ja      .L11
  11         pushq   %rbx
  12         movq    %rdi, %rbx
  13         subq    $16, %rsp
  14 #APP
  15 # 49 "getutid_r.c" 1
  16         movl %fs:24,%eax
  17 # 0 "" 2
  18 #NO_APP
  19         testl   %eax, %eax
  20         jne     .L4
  21         movl    $1, %ecx
  22 #APP
  23 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  24         cmpxchgl %ecx, __libc_utmp_lock(%rip)
  25 # 0 "" 2
  26 #NO_APP
  27 .L5:
  28         movq    %rbx, %rdi
  29         call    __libc_getutid_r
  30         movl    %eax, %r8d
  31 #APP
  32 # 53 "getutid_r.c" 1
  33         movl %fs:24,%eax
  34 # 0 "" 2
  35 #NO_APP
  36         testl   %eax, %eax
  37         jne     .L6
  38         subl    $1, __libc_utmp_lock(%rip)
  39 .L1:
  40         addq    $16, %rsp
  41         movl    %r8d, %eax
  42         popq    %rbx
  43         ret
  44         .p2align 4,,10
  45         .p2align 3
  46 .L4:
  47         xorl    %eax, %eax
  48         movl    $1, %ecx
  49         lock cmpxchgl   %ecx, __libc_utmp_lock(%rip)
  50         je      .L5
  51         leaq    __libc_utmp_lock(%rip), %rdi
  52         movq    %rdx, 8(%rsp)
  53         movq    %rsi, (%rsp)
  54         call    __lll_lock_wait_private
  55         movq    8(%rsp), %rdx
  56         movq    (%rsp), %rsi
  57         jmp     .L5
  58         .p2align 4,,10
  59         .p2align 3
  60 .L6:
  61         xorl    %eax, %eax
  62 #APP
  63 # 53 "getutid_r.c" 1
  64         xchgl %eax, __libc_utmp_lock(%rip)
  65 # 0 "" 2
  66 #NO_APP
  67         cmpl    $1, %eax
  68         jle     .L1
  69         xorl    %r10d, %r10d
  70         movl    $1, %edx
  71         movl    $129, %esi
  72         leaq    __libc_utmp_lock(%rip), %rdi
  73         movl    $202, %eax
  74 #APP
  75 # 53 "getutid_r.c" 1
  76         syscall
  77
  78 # 0 "" 2
  79 #NO_APP
  80         jmp     .L1
  81 .L11:
  82         movq    __libc_errno@gottpoff(%rip), %rax
  83         movl    $-1, %r8d
  84         movl    $22, %fs:(%rax)
  85         movq    $0, (%rdx)
  86         movl    %r8d, %eax
  87         ret
  88         .size   __getutid_r, .-__getutid_r
  89         .weak   getutid_r
  90         .set    getutid_r,__getutid_r
  91         .hidden __lll_lock_wait_private
  92         .hidden __libc_getutid_r
  93         .hidden __libc_utmp_lock