gshadow/sgetsgent.s

   1         .text
   2         .p2align 4,,15
   3         .globl  sgetsgent
   4         .type   sgetsgent, @function
   5 sgetsgent:
   6         pushq   %r15
   7         pushq   %r14
   8         pushq   %r13
   9         pushq   %r12
  10         movq    %rdi, %r12
  11         pushq   %rbp
  12         pushq   %rbx
  13         subq    $24, %rsp
  14 #APP
  15 # 41 "sgetsgent.c" 1
  16         movl %fs:24,%eax
  17 # 0 "" 2
  18 #NO_APP
  19         testl   %eax, %eax
  20         jne     .L2
  21         movl    $1, %edx
  22 #APP
  23 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  24         cmpxchgl %edx, lock(%rip)
  25 # 0 "" 2
  26 #NO_APP
  27 .L3:
  28         movq    buffer.7634(%rip), %rdx
  29         movq    buffer_size.7635(%rip), %rbx
  30         testq   %rdx, %rdx
  31         je      .L22
  32 .L5:
  33         leaq    8(%rsp), %r14
  34         movq    __libc_errno@gottpoff(%rip), %rbp
  35         leaq    resbuf.7636(%rip), %r13
  36         jmp     .L15
  37         .p2align 4,,10
  38         .p2align 3
  39 .L7:
  40         movq    %rax, buffer.7634(%rip)
  41 .L15:
  42         movq    %r14, %r8
  43         movq    %rbx, %rcx
  44         movq    %r13, %rsi
  45         movq    %r12, %rdi
  46         call    __sgetsgent_r
  47         testl   %eax, %eax
  48         je      .L23
  49         movl    %fs:0(%rbp), %ebx
  50         movq    buffer.7634(%rip), %r15
  51         cmpl    $34, %ebx
  52         jne     .L10
  53         movq    buffer_size.7635(%rip), %rax
  54         movq    %r15, %rdi
  55         leaq    1024(%rax), %rbx
  56         movq    %rbx, %rsi
  57         movq    %rbx, buffer_size.7635(%rip)
  58         call    realloc@PLT
  59         testq   %rax, %rax
  60         movq    %rax, %rdx
  61         jne     .L7
  62         movl    %fs:0(%rbp), %ebx
  63         movq    %r15, %rdi
  64         call    free@PLT
  65         movq    $0, buffer.7634(%rip)
  66         movl    %ebx, %fs:0(%rbp)
  67 .L16:
  68         movq    $0, 8(%rsp)
  69 .L12:
  70 #APP
  71 # 73 "sgetsgent.c" 1
  72         movl %fs:24,%eax
  73 # 0 "" 2
  74 #NO_APP
  75         testl   %eax, %eax
  76         jne     .L13
  77         subl    $1, lock(%rip)
  78 .L14:
  79         movl    %ebx, %fs:0(%rbp)
  80         movq    8(%rsp), %rax
  81         addq    $24, %rsp
  82         popq    %rbx
  83         popq    %rbp
  84         popq    %r12
  85         popq    %r13
  86         popq    %r14
  87         popq    %r15
  88         ret
  89         .p2align 4,,10
  90         .p2align 3
  91 .L23:
  92         movq    buffer.7634(%rip), %r15
  93         movl    %fs:0(%rbp), %ebx
  94 .L10:
  95         testq   %r15, %r15
  96         jne     .L12
  97         jmp     .L16
  98         .p2align 4,,10
  99         .p2align 3
 100 .L22:
 101         movl    $1024, %edi
 102         movq    $1024, buffer_size.7635(%rip)
 103         movl    $1024, %ebx
 104         call    malloc@PLT
 105         testq   %rax, %rax
 106         movq    %rax, %rdx
 107         movq    %rax, buffer.7634(%rip)
 108         jne     .L5
 109         movq    __libc_errno@gottpoff(%rip), %rbp
 110         movl    %fs:0(%rbp), %ebx
 111         jmp     .L16
 112         .p2align 4,,10
 113         .p2align 3
 114 .L13:
 115         xorl    %eax, %eax
 116 #APP
 117 # 73 "sgetsgent.c" 1
 118         xchgl %eax, lock(%rip)
 119 # 0 "" 2
 120 #NO_APP
 121         cmpl    $1, %eax
 122         jle     .L14
 123         xorl    %r10d, %r10d
 124         movl    $1, %edx
 125         movl    $129, %esi
 126         leaq    lock(%rip), %rdi
 127         movl    $202, %eax
 128 #APP
 129 # 73 "sgetsgent.c" 1
 130         syscall
 131
 132 # 0 "" 2
 133 #NO_APP
 134         jmp     .L14
 135         .p2align 4,,10
 136         .p2align 3
 137 .L2:
 138         xorl    %eax, %eax
 139         movl    $1, %edx
 140         lock cmpxchgl   %edx, lock(%rip)
 141         je      .L3
 142         leaq    lock(%rip), %rdi
 143         call    __lll_lock_wait_private
 144         jmp     .L3
 145         .size   sgetsgent, .-sgetsgent
 146         .local  resbuf.7636
 147         .comm   resbuf.7636,32,32
 148         .local  buffer_size.7635
 149         .comm   buffer_size.7635,8,8
 150         .local  buffer.7634
 151         .comm   buffer.7634,8,8
 152         .local  lock
 153         .comm   lock,4,4
 154         .hidden __lll_lock_wait_private
 155         .hidden __sgetsgent_r