nptl/pthread_setname.s

   1         .text
   2         .section        .rodata.str1.1,"aMS",@progbits,1
   3 .LC0:
   4         .string "/proc/self/task/%u/comm"
   5         .text
   6         .p2align 4,,15
   7         .globl  pthread_setname_np
   8         .type   pthread_setname_np, @function
   9 pthread_setname_np:
  10         pushq   %r13
  11         pushq   %r12
  12         movq    %rdi, %r13
  13         pushq   %rbp
  14         pushq   %rbx
  15         movq    %rsi, %rdi
  16         movq    %rsi, %r12
  17         movl    $34, %ebx
  18         subq    $40, %rsp
  19         call    strlen@PLT
  20         cmpq    $15, %rax
  21         ja      .L1
  22         cmpq    %r13, %fs:16
  23         je      .L20
  24         movl    720(%r13), %edx
  25         movq    %rsp, %rbx
  26         leaq    .LC0(%rip), %rsi
  27         movq    %rbx, %rdi
  28         movq    %rax, %rbp
  29         xorl    %eax, %eax
  30         call    sprintf@PLT
  31         xorl    %eax, %eax
  32         movl    $2, %esi
  33         movq    %rbx, %rdi
  34         call    __open64_nocancel@PLT
  35         cmpl    $-1, %eax
  36         movl    %eax, %r13d
  37         jne     .L4
  38         jmp     .L18
  39         .p2align 4,,10
  40         .p2align 3
  41 .L21:
  42         movq    errno@gottpoff(%rip), %rax
  43         movl    %fs:(%rax), %ebx
  44         cmpl    $4, %ebx
  45         jne     .L8
  46 .L4:
  47         movq    %rbp, %rdx
  48         movq    %r12, %rsi
  49         movl    %r13d, %edi
  50         call    __write_nocancel@PLT
  51         cmpq    $-1, %rax
  52         je      .L21
  53         testq   %rax, %rax
  54         js      .L22
  55         xorl    %ebx, %ebx
  56         cmpq    %rbp, %rax
  57         setne   %bl
  58         leal    (%rbx,%rbx,4), %ebx
  59 .L8:
  60         movl    %r13d, %edi
  61         call    __close_nocancel@PLT
  62 .L1:
  63         addq    $40, %rsp
  64         movl    %ebx, %eax
  65         popq    %rbx
  66         popq    %rbp
  67         popq    %r12
  68         popq    %r13
  69         ret
  70         .p2align 4,,10
  71         .p2align 3
  72 .L20:
  73         xorl    %eax, %eax
  74         movq    %r12, %rsi
  75         movl    $15, %edi
  76         call    prctl@PLT
  77         testl   %eax, %eax
  78         movl    %eax, %ebx
  79         je      .L1
  80 .L18:
  81         movq    errno@gottpoff(%rip), %rax
  82         movl    %fs:(%rax), %ebx
  83         addq    $40, %rsp
  84         movl    %ebx, %eax
  85         popq    %rbx
  86         popq    %rbp
  87         popq    %r12
  88         popq    %r13
  89         ret
  90 .L22:
  91         movq    errno@gottpoff(%rip), %rax
  92         movl    %fs:(%rax), %ebx
  93         jmp     .L8
  94         .size   pthread_setname_np, .-pthread_setname_np