reactos/lib/rtl/i386/debug_asm.S

   1 /*
   2  * COPYRIGHT:         See COPYING in the top level directory
   3  * PROJECT:           ReactOS Run-Time Library
   4  * PURPOSE:           Debug Routines
   5  * FILE:              lib/rtl/i386/debug.S
   6  * PROGRAMER:         Alex Ionescu (alex@relsoft.net)
   7  */
   8
   9 .intel_syntax noprefix
  10
  11 /* GLOBALS ****************************************************************/
  12
  13 .globl _DbgBreakPoint@0
  14 .globl _DbgBreakPointWithStatus@4
  15 .globl _DbgUserBreakPoint@0
  16 .globl _DebugService@20
  17 .globl _DbgBreakPointNoBugCheck@0
  18
  19 /* FUNCTIONS ***************************************************************/
  20
  21 .func DbgBreakPointNoBugCheck@0
  22 _DbgBreakPointNoBugCheck@0:
  23     int 3
  24     ret
  25 .endfunc
  26
  27 .func DbgBreakPoint@0
  28 _DbgBreakPoint@0:
  29 _DbgUserBreakPoint@0:
  30     int 3
  31     ret
  32 .endfunc
  33
  34 .func DbgBreakPointWithStatus@4
  35 _DbgBreakPointWithStatus@4:
  36     mov eax, [esp+4]
  37     int 3
  38     ret 4
  39 .endfunc
  40
  41 .func DebugService@20
  42 _DebugService@20:
  43
  44     /* Setup the stack */
  45     push ebp
  46     mov ebp, esp
  47
  48     /* Save the registers */
  49     push ecx
  50     push ebx
  51     push edi
  52     push edi
  53     push ebx
  54
  55     /* Call the Interrupt */
  56     mov eax, [ebp+8]
  57     mov ecx, [ebp+12]
  58     mov edx, [ebp+16]
  59     mov ebx, [ebp+20]
  60     mov edi, [ebp+24]
  61     int 0x2D
  62     //int 3
  63
  64     /* Restore registers */
  65     pop ebx
  66     pop edi
  67     pop edi
  68     pop ebx
  69
  70     /* Return */
  71     leave
  72     ret 20
  73 .endfunc