stdlib/abort.s

   1         .text
   2         .p2align 4,,15
   3         .globl  abort
   4         .hidden abort
   5         .type   abort, @function
   6 abort:
   7         pushq   %rbx
   8         subq    $288, %rsp
   9         movq    %fs:16, %rbx
  10         cmpq    %rbx, 8+lock(%rip)
  11         je      .L2
  12 #APP
  13 # 54 "abort.c" 1
  14         movl %fs:24,%eax
  15 # 0 "" 2
  16 #NO_APP
  17         testl   %eax, %eax
  18         jne     .L3
  19         movl    $1, %edx
  20 #APP
  21 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  22         cmpxchgl %edx, lock(%rip)
  23 # 0 "" 2
  24 #NO_APP
  25 .L4:
  26         movq    %rbx, 8+lock(%rip)
  27 .L2:
  28         movl    stage(%rip), %eax
  29         addl    $1, 4+lock(%rip)
  30         testl   %eax, %eax
  31         je      .L22
  32 .L5:
  33         cmpl    $1, %eax
  34         je      .L23
  35         cmpl    $2, %eax
  36         je      .L14
  37 .L15:
  38         cmpl    $3, %eax
  39         je      .L24
  40 .L16:
  41         cmpl    $4, %eax
  42         je      .L25
  43 .L17:
  44         cmpl    $5, %eax
  45         je      .L26
  46         .p2align 4,,10
  47         .p2align 3
  48 .L18:
  49 #APP
  50 # 121 "abort.c" 1
  51         hlt
  52 # 0 "" 2
  53 #NO_APP
  54         jmp     .L18
  55 .L3:
  56         xorl    %eax, %eax
  57         movl    $1, %edx
  58         lock cmpxchgl   %edx, lock(%rip)
  59         je      .L4
  60         leaq    lock(%rip), %rdi
  61         call    __lll_lock_wait_private
  62         jmp     .L4
  63 .L26:
  64         movl    $127, %edi
  65         movl    $6, stage(%rip)
  66         call    _exit
  67 .L25:
  68         movl    $5, stage(%rip)
  69 #APP
  70 # 107 "abort.c" 1
  71         hlt
  72 # 0 "" 2
  73 #NO_APP
  74         movl    stage(%rip), %eax
  75         jmp     .L17
  76 .L24:
  77         movl    $6, %edi
  78         movl    $4, stage(%rip)
  79         call    raise
  80         movl    stage(%rip), %eax
  81         jmp     .L16
  82 .L23:
  83         movl    4+lock(%rip), %eax
  84         movl    $0, stage(%rip)
  85         subl    $1, %eax
  86         testl   %eax, %eax
  87         movl    %eax, 4+lock(%rip)
  88         jne     .L8
  89         movq    $0, 8+lock(%rip)
  90 #APP
  91 # 77 "abort.c" 1
  92         movl %fs:24,%edx
  93 # 0 "" 2
  94 #NO_APP
  95         testl   %edx, %edx
  96         jne     .L9
  97         subl    $1, lock(%rip)
  98 .L8:
  99         movl    $6, %edi
 100         call    raise
 101         movq    %fs:16, %rbx
 102         cmpq    %rbx, 8+lock(%rip)
 103         je      .L11
 104 #APP
 105 # 81 "abort.c" 1
 106         movl %fs:24,%eax
 107 # 0 "" 2
 108 #NO_APP
 109         testl   %eax, %eax
 110         jne     .L12
 111         movl    $1, %edx
 112 #APP
 113 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
 114         cmpxchgl %edx, lock(%rip)
 115 # 0 "" 2
 116 #NO_APP
 117 .L13:
 118         movq    %rbx, 8+lock(%rip)
 119 .L11:
 120         addl    $1, 4+lock(%rip)
 121 .L14:
 122         leaq    128(%rsp), %rsi
 123         xorl    %eax, %eax
 124         movl    $38, %ecx
 125         xorl    %edx, %edx
 126         movl    $3, stage(%rip)
 127         movq    %rsi, %rdi
 128         rep stosl
 129         movl    $6, %edi
 130         movq    $-1, 136(%rsp)
 131         call    __sigaction
 132         movl    stage(%rip), %eax
 133         jmp     .L15
 134 .L12:
 135         xorl    %eax, %eax
 136         movl    $1, %edx
 137         lock cmpxchgl   %edx, lock(%rip)
 138         je      .L13
 139         leaq    lock(%rip), %rdi
 140         call    __lll_lock_wait_private
 141         jmp     .L13
 142 .L22:
 143         movq    %rsp, %rsi
 144         xorl    %edx, %edx
 145         movl    $1, %edi
 146         movl    $1, stage(%rip)
 147         movq    $32, (%rsp)
 148         call    __sigprocmask
 149         movl    stage(%rip), %eax
 150         jmp     .L5
 151 .L9:
 152 #APP
 153 # 77 "abort.c" 1
 154         xchgl %eax, lock(%rip)
 155 # 0 "" 2
 156 #NO_APP
 157         subl    $1, %eax
 158         jle     .L8
 159         xorl    %r10d, %r10d
 160         movl    $1, %edx
 161         movl    $129, %esi
 162         leaq    lock(%rip), %rdi
 163         movl    $202, %eax
 164 #APP
 165 # 77 "abort.c" 1
 166         syscall
 167
 168 # 0 "" 2
 169 #NO_APP
 170         jmp     .L8
 171         .size   abort, .-abort
 172         .local  lock
 173         .comm   lock,16,16
 174         .local  stage
 175         .comm   stage,4,4
 176         .hidden __abort_msg
 177         .globl  __abort_msg
 178         .bss
 179         .align 8
 180         .type   __abort_msg, @object
 181         .size   __abort_msg, 8
 182 __abort_msg:
 183         .zero   8
 184         .hidden __sigprocmask
 185         .hidden __sigaction
 186         .hidden raise
 187         .hidden _exit
 188         .hidden __lll_lock_wait_private