io/lockf64.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __lockf64
   4         .type   __lockf64, @function
   5 __lockf64:
   6         pushq   %rbx
   7         pxor    %xmm0, %xmm0
   8         subq    $32, %rsp
   9         cmpl    $1, %esi
  10         movups  %xmm0, 4(%rsp)
  11         movq    $0, 20(%rsp)
  12         movl    $0, 28(%rsp)
  13         movl    $65537, (%rsp)
  14         movq    %rdx, 16(%rsp)
  15         je      .L3
  16         jle     .L14
  17         cmpl    $2, %esi
  18         je      .L6
  19         cmpl    $3, %esi
  20         jne     .L2
  21         xorl    %edx, %edx
  22         xorl    %eax, %eax
  23         movl    $5, %esi
  24         movw    %dx, (%rsp)
  25         movq    %rsp, %rdx
  26         call    __fcntl
  27         testl   %eax, %eax
  28         js      .L11
  29         cmpw    $2, (%rsp)
  30         je      .L10
  31         movl    24(%rsp), %ebx
  32         call    __getpid
  33         cmpl    %eax, %ebx
  34         jne     .L15
  35 .L10:
  36         addq    $32, %rsp
  37         xorl    %eax, %eax
  38         popq    %rbx
  39         ret
  40         .p2align 4,,10
  41         .p2align 3
  42 .L6:
  43         movq    %rsp, %rdx
  44         movl    $6, %esi
  45         xorl    %eax, %eax
  46         call    __fcntl64
  47 .L1:
  48         addq    $32, %rsp
  49         popq    %rbx
  50         ret
  51         .p2align 4,,10
  52         .p2align 3
  53 .L14:
  54         testl   %esi, %esi
  55         jne     .L2
  56         movl    $2, %eax
  57         movq    %rsp, %rdx
  58         movl    $6, %esi
  59         movw    %ax, (%rsp)
  60         xorl    %eax, %eax
  61         call    __fcntl64
  62         addq    $32, %rsp
  63         popq    %rbx
  64         ret
  65         .p2align 4,,10
  66         .p2align 3
  67 .L2:
  68         movq    __libc_errno@gottpoff(%rip), %rax
  69         movl    $22, %fs:(%rax)
  70         addq    $32, %rsp
  71         movl    $-1, %eax
  72         popq    %rbx
  73         ret
  74         .p2align 4,,10
  75         .p2align 3
  76 .L3:
  77         movq    %rsp, %rdx
  78         movl    $7, %esi
  79         xorl    %eax, %eax
  80         call    __fcntl64
  81         addq    $32, %rsp
  82         popq    %rbx
  83         ret
  84 .L15:
  85         movq    __libc_errno@gottpoff(%rip), %rax
  86         movl    $13, %fs:(%rax)
  87         movl    $-1, %eax
  88         jmp     .L1
  89 .L11:
  90         movl    $-1, %eax
  91         jmp     .L1
  92         .size   __lockf64, .-__lockf64
  93         .weak   lockf64
  94         .set    lockf64,__lockf64
  95         .weak   lockf
  96         .set    lockf,lockf64
  97         .hidden __fcntl64
  98         .hidden __getpid
  99         .hidden __fcntl