stdio-common/reg-printf.s

   1         .text
   2 #APP
   3         .section __libc_freeres_ptrs, "aw", %nobits
   4         .previous
   5 #NO_APP
   6         .p2align 4,,15
   7         .globl  __register_printf_specifier
   8         .hidden __register_printf_specifier
   9         .type   __register_printf_specifier, @function
  10 __register_printf_specifier:
  11         cmpl    $255, %edi
  12         ja      .L16
  13         pushq   %rbp
  14         pushq   %rbx
  15         movq    %rsi, %rbp
  16         movl    %edi, %ebx
  17         subq    $24, %rsp
  18 #APP
  19 # 52 "reg-printf.c" 1
  20         movl %fs:24,%eax
  21 # 0 "" 2
  22 #NO_APP
  23         testl   %eax, %eax
  24         jne     .L4
  25         movl    $1, %ecx
  26 #APP
  27 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  28         cmpxchgl %ecx, lock(%rip)
  29 # 0 "" 2
  30 #NO_APP
  31 .L5:
  32         movq    __printf_function_table(%rip), %rcx
  33         testq   %rcx, %rcx
  34         je      .L6
  35         movq    __printf_arginfo_table(%rip), %rax
  36 .L7:
  37         movslq  %ebx, %rdi
  38         xorl    %r8d, %r8d
  39         movq    %rbp, (%rcx,%rdi,8)
  40         movq    %rdx, (%rax,%rdi,8)
  41 .L8:
  42 #APP
  43 # 72 "reg-printf.c" 1
  44         movl %fs:24,%eax
  45 # 0 "" 2
  46 #NO_APP
  47         testl   %eax, %eax
  48         jne     .L9
  49         subl    $1, lock(%rip)
  50 .L1:
  51         addq    $24, %rsp
  52         movl    %r8d, %eax
  53         popq    %rbx
  54         popq    %rbp
  55         ret
  56         .p2align 4,,10
  57         .p2align 3
  58 .L6:
  59         movl    $16, %esi
  60         movl    $256, %edi
  61         movq    %rdx, 8(%rsp)
  62         call    calloc@PLT
  63         testq   %rax, %rax
  64         movq    %rax, __printf_arginfo_table(%rip)
  65         movl    $-1, %r8d
  66         je      .L8
  67         leaq    2048(%rax), %rcx
  68         movq    8(%rsp), %rdx
  69         movq    %rcx, __printf_function_table(%rip)
  70         jmp     .L7
  71         .p2align 4,,10
  72         .p2align 3
  73 .L9:
  74         xorl    %eax, %eax
  75 #APP
  76 # 72 "reg-printf.c" 1
  77         xchgl %eax, lock(%rip)
  78 # 0 "" 2
  79 #NO_APP
  80         cmpl    $1, %eax
  81         jle     .L1
  82         xorl    %r10d, %r10d
  83         movl    $1, %edx
  84         movl    $129, %esi
  85         leaq    lock(%rip), %rdi
  86         movl    $202, %eax
  87 #APP
  88 # 72 "reg-printf.c" 1
  89         syscall
  90
  91 # 0 "" 2
  92 #NO_APP
  93         jmp     .L1
  94         .p2align 4,,10
  95         .p2align 3
  96 .L4:
  97         xorl    %eax, %eax
  98         movl    $1, %ecx
  99         lock cmpxchgl   %ecx, lock(%rip)
 100         je      .L5
 101         leaq    lock(%rip), %rdi
 102         movq    %rdx, 8(%rsp)
 103         call    __lll_lock_wait_private
 104         movq    8(%rsp), %rdx
 105         jmp     .L5
 106         .p2align 4,,10
 107         .p2align 3
 108 .L16:
 109         movq    __libc_errno@gottpoff(%rip), %rax
 110         movl    $-1, %r8d
 111         movl    $22, %fs:(%rax)
 112         movl    %r8d, %eax
 113         ret
 114         .size   __register_printf_specifier, .-__register_printf_specifier
 115         .weak   register_printf_specifier
 116         .set    register_printf_specifier,__register_printf_specifier
 117         .p2align 4,,15
 118         .globl  __register_printf_function
 119         .type   __register_printf_function, @function
 120 __register_printf_function:
 121         jmp     __register_printf_specifier
 122         .size   __register_printf_function, .-__register_printf_function
 123         .weak   register_printf_function
 124         .set    register_printf_function,__register_printf_function
 125         .local  lock
 126         .comm   lock,4,4
 127         .hidden __printf_function_table
 128         .comm   __printf_function_table,8,8
 129         .hidden __printf_arginfo_table
 130         .globl  __printf_arginfo_table
 131         .section        __libc_freeres_ptrs
 132         #,"aw",@progbits
 133         .align 8
 134         .type   __printf_arginfo_table, @object
 135         .size   __printf_arginfo_table, 8
 136 __printf_arginfo_table:
 137         .zero   8
 138         .hidden __lll_lock_wait_private