stdlib/on_exit.s

   1         .text
   2         .section        .rodata.str1.1,"aMS",@progbits,1
   3 .LC0:
   4         .string "on_exit.c"
   5 .LC1:
   6         .string "func != NULL"
   7         .text
   8         .p2align 4,,15
   9         .globl  __on_exit
  10         .type   __on_exit, @function
  11 __on_exit:
  12         pushq   %rbp
  13         pushq   %rbx
  14         subq    $8, %rsp
  15         testq   %rdi, %rdi
  16         je      .L14
  17         movq    %rdi, %rbx
  18         movq    %rsi, %rbp
  19 #APP
  20 # 33 "on_exit.c" 1
  21         movl %fs:24,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         testl   %eax, %eax
  25         jne     .L3
  26         movl    $1, %edx
  27 #APP
  28 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  29         cmpxchgl %edx, __exit_funcs_lock(%rip)
  30 # 0 "" 2
  31 #NO_APP
  32 .L4:
  33         leaq    __exit_funcs(%rip), %rdi
  34         call    __new_exitfn
  35         testq   %rax, %rax
  36         je      .L15
  37         movq    %rbx, %rdi
  38         movq    %rbp, 16(%rax)
  39         movq    $2, (%rax)
  40 #APP
  41 # 43 "on_exit.c" 1
  42         xor %fs:48, %rdi
  43 rol $2*8+1, %rdi
  44 # 0 "" 2
  45 #NO_APP
  46         movq    %rdi, 8(%rax)
  47 #APP
  48 # 48 "on_exit.c" 1
  49         movl %fs:24,%r8d
  50 # 0 "" 2
  51 #NO_APP
  52         testl   %r8d, %r8d
  53         jne     .L8
  54         subl    $1, __exit_funcs_lock(%rip)
  55 .L1:
  56         addq    $8, %rsp
  57         movl    %r8d, %eax
  58         popq    %rbx
  59         popq    %rbp
  60         ret
  61         .p2align 4,,10
  62         .p2align 3
  63 .L15:
  64 #APP
  65 # 38 "on_exit.c" 1
  66         movl %fs:24,%eax
  67 # 0 "" 2
  68 #NO_APP
  69         testl   %eax, %eax
  70         jne     .L6
  71         subl    $1, __exit_funcs_lock(%rip)
  72         movl    $-1, %r8d
  73         addq    $8, %rsp
  74         movl    %r8d, %eax
  75         popq    %rbx
  76         popq    %rbp
  77         ret
  78         .p2align 4,,10
  79         .p2align 3
  80 .L3:
  81         xorl    %eax, %eax
  82         movl    $1, %edx
  83         lock cmpxchgl   %edx, __exit_funcs_lock(%rip)
  84         je      .L4
  85         leaq    __exit_funcs_lock(%rip), %rdi
  86         call    __lll_lock_wait_private
  87         jmp     .L4
  88         .p2align 4,,10
  89         .p2align 3
  90 .L8:
  91         xorl    %eax, %eax
  92 #APP
  93 # 48 "on_exit.c" 1
  94         xchgl %eax, __exit_funcs_lock(%rip)
  95 # 0 "" 2
  96 #NO_APP
  97         xorl    %r8d, %r8d
  98         cmpl    $1, %eax
  99         jle     .L1
 100 .L12:
 101         xorl    %r10d, %r10d
 102         movl    $1, %edx
 103         movl    $129, %esi
 104         leaq    __exit_funcs_lock(%rip), %rdi
 105         movl    $202, %eax
 106 #APP
 107 # 48 "on_exit.c" 1
 108         syscall
 109
 110 # 0 "" 2
 111 #NO_APP
 112         jmp     .L1
 113         .p2align 4,,10
 114         .p2align 3
 115 .L6:
 116         xorl    %eax, %eax
 117 #APP
 118 # 38 "on_exit.c" 1
 119         xchgl %eax, __exit_funcs_lock(%rip)
 120 # 0 "" 2
 121 #NO_APP
 122         cmpl    $1, %eax
 123         movl    $-1, %r8d
 124         jle     .L1
 125         jmp     .L12
 126 .L14:
 127         leaq    __PRETTY_FUNCTION__.7663(%rip), %rcx
 128         leaq    .LC0(%rip), %rsi
 129         leaq    .LC1(%rip), %rdi
 130         movl    $31, %edx
 131         call    __assert_fail
 132         .size   __on_exit, .-__on_exit
 133         .weak   on_exit
 134         .set    on_exit,__on_exit
 135         .section        .rodata.str1.8,"aMS",@progbits,1
 136         .align 8
 137         .type   __PRETTY_FUNCTION__.7663, @object
 138         .size   __PRETTY_FUNCTION__.7663, 10
 139 __PRETTY_FUNCTION__.7663:
 140         .string "__on_exit"
 141         .hidden __assert_fail
 142         .hidden __lll_lock_wait_private
 143         .hidden __new_exitfn
 144         .hidden __exit_funcs