nptl/pthread_getname.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_getname_np
   8         .type   pthread_getname_np, @function
   9 pthread_getname_np:
  10         pushq   %r13
  11         pushq   %r12
  12         pushq   %rbp
  13         pushq   %rbx
  14         movl    $34, %ebx
  15         subq    $40, %rsp
  16         cmpq    $15, %rdx
  17         jbe     .L1
  18         cmpq    %rdi, %fs:16
  19         movq    %rdx, %rbp
  20         movq    %rsi, %r12
  21         je      .L21
  22         movl    720(%rdi), %edx
  23         movq    %rsp, %rbx
  24         leaq    .LC0(%rip), %rsi
  25         movq    %rbx, %rdi
  26         xorl    %eax, %eax
  27         call    sprintf@PLT
  28         xorl    %esi, %esi
  29         xorl    %eax, %eax
  30         movq    %rbx, %rdi
  31         call    __open64_nocancel@PLT
  32         cmpl    $-1, %eax
  33         movl    %eax, %r13d
  34         jne     .L4
  35         jmp     .L19
  36         .p2align 4,,10
  37         .p2align 3
  38 .L22:
  39         movq    errno@gottpoff(%rip), %rax
  40         movl    %fs:(%rax), %ebx
  41         cmpl    $4, %ebx
  42         jne     .L8
  43 .L4:
  44         movq    %rbp, %rdx
  45         movq    %r12, %rsi
  46         movl    %r13d, %edi
  47         call    __read_nocancel@PLT
  48         cmpq    $-1, %rax
  49         je      .L22
  50         testq   %rax, %rax
  51         js      .L23
  52         leaq    -1(%r12,%rax), %rdx
  53         cmpb    $10, (%rdx)
  54         je      .L24
  55         cmpq    %rbp, %rax
  56         movl    $34, %ebx
  57         je      .L8
  58         movb    $0, (%r12,%rax)
  59         xorl    %ebx, %ebx
  60 .L8:
  61         movl    %r13d, %edi
  62         call    __close_nocancel@PLT
  63 .L1:
  64         addq    $40, %rsp
  65         movl    %ebx, %eax
  66         popq    %rbx
  67         popq    %rbp
  68         popq    %r12
  69         popq    %r13
  70         ret
  71         .p2align 4,,10
  72         .p2align 3
  73 .L21:
  74         xorl    %eax, %eax
  75         movl    $16, %edi
  76         call    prctl@PLT
  77         testl   %eax, %eax
  78         movl    %eax, %ebx
  79         je      .L1
  80 .L19:
  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         .p2align 4,,10
  91         .p2align 3
  92 .L24:
  93         movb    $0, (%rdx)
  94         xorl    %ebx, %ebx
  95         jmp     .L8
  96 .L23:
  97         movq    errno@gottpoff(%rip), %rax
  98         movl    %fs:(%rax), %ebx
  99         jmp     .L8
 100         .size   pthread_getname_np, .-pthread_getname_np