reactos/include/debug.h

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            include/internal/debug.h
   5  * PURPOSE:         Useful debugging macros
   6  * PROGRAMMER:      David Welch (welch@mcmail.com)
   7  * UPDATE HISTORY:
   8  *                28/05/98: Created
   9  */
  10
  11 /*
  12  * NOTE: Define NDEBUG before including this header to disable debugging
  13  * macros
  14  */
  15
  16 #ifndef __INTERNAL_DEBUG
  17 #define __INTERNAL_DEBUG
  18
  19 #define UNIMPLEMENTED do {DbgPrint("%s at %s:%d is unimplemented, have a nice day\n",__FUNCTION__,__FILE__,__LINE__); for(;;);  } while(0);
  20
  21 /*  FIXME: should probably remove this later  */
  22 #if !defined(CHECKED) && !defined(NDEBUG)
  23 #define CHECKED
  24 #endif
  25
  26 #ifndef NASSERT
  27 #define assert(x) if (!(x)) {RtlAssert("#x",__FILE__,__LINE__, ""); }
  28 #else
  29 #define assert(x)
  30 #endif
  31
  32 #define DPRINT1(args...) do { DbgPrint("(%s:%d) ",__FILE__,__LINE__); DbgPrint(args); } while(0);
  33 #define CHECKPOINT1 do { DbgPrint("%s:%d\n",__FILE__,__LINE__); } while(0);
  34
  35 extern unsigned int old_idt[256][2];
  36 //extern unsigned int idt;
  37 extern unsigned int old_idt_valid;
  38
  39 #ifdef __NTOSKRNL__
  40 //#define DPRINT_CHECKS ExAllocatePool(NonPagedPool,0); assert(old_idt_valid || (!memcmp(old_idt,KiIdt,256*2)));
  41 //#define DPRINT_CHECKS ExAllocatePool(NonPagedPool,0);
  42 #define DPRINT_CHECKS
  43 #else
  44 #define DPRINT_CHECKS
  45 #endif
  46
  47 #ifndef NDEBUG
  48 #define OLD_DPRINT(fmt,args...) do { DbgPrint("(%s:%d) ",__FILE__,__LINE__); DbgPrint(fmt,args); } while(0);
  49 #define DPRINT(args...) do { DbgPrint("(%s:%d) ",__FILE__,__LINE__); DbgPrint(args); DPRINT_CHECKS  } while(0);
  50 #define CHECKPOINT do { DbgPrint("%s:%d\n",__FILE__,__LINE__); } while(0);
  51 #else
  52 //#define DPRINT(args...) do { DPRINT_CHECKS } while (0);
  53 #define DPRINT(args...)
  54 #define OLD_DPRINT(args...)
  55 #define CHECKPOINT
  56 #endif /* NDEBUG */
  57
  58 /*
  59  * FUNCTION: Assert a maximum value for the current irql
  60  * ARGUMENTS:
  61  *        x = Maximum irql
  62  */
  63 #define ASSERT_IRQL(x) assert(KeGetCurrentIrql()<=(x))
  64 #define assert_irql(x) assert(KeGetCurrentIrql()<=(x))
  65
  66 #define HBP_EXECUTE     (0)
  67 #define HBP_WRITE       (1)
  68 #define HBP_READWRITE   (3)
  69
  70 #define HBP_BYTE        (0)
  71 #define HBP_WORD        (1)
  72 #define HBP_DWORD       (3)
  73
  74 /*
  75  * FUNCTION: Sets a hardware breakpoint
  76  * ARGUMENTS:
  77  *          i = breakpoint to set (0 to 3)
  78  *          addr = linear address to break on
  79  *          type = Type of access to break on
  80  *          len = length of the variable to watch
  81  * NOTES:
  82  *       The variable to watch must be aligned to its length (i.e. a dword
  83  *       breakpoint must be aligned to a dword boundary)
  84  *
  85  *       A fatal exception will be generated on the access to the variable.
  86  *       It is (at the moment) only really useful for catching undefined
  87  *       pointers if you know the variable effected but not the buggy
  88  *       routine.
  89  *
  90  * FIXME: Extend to call out to kernel debugger on breakpoint
  91  *        Add support for I/O breakpoints
  92  * REFERENCES: See the i386 programmer manual for more details
  93  */
  94 void set_breakpoint(unsigned int i, unsigned int addr, unsigned int type,
  95                     unsigned int len);
  96
  97
  98 #endif /* __INTERNAL_DEBUG */