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70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: include/internal/debug.h
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* PURPOSE: Useful debugging macros
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* PROGRAMMER: David Welch (welch@mcmail.com)
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* UPDATE HISTORY:
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* 28/05/98: Created
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*/
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/*
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* NOTE: Define NDEBUG before including this header to disable debugging
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* macros
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*/
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#ifndef __INTERNAL_DEBUG
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#define __INTERNAL_DEBUG
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#ifndef NDEBUG
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#define DPRINT(fmt,args...) do { printk("(%s:%d) ",__FILE__,__LINE__); printk(fmt,args); } while(0);
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//#define assert(x) if (!(x)) {printk("Assertion "#x" failed at %s:%d\n", __FILE__,__LINE__); (*((unsigned int *)0))=1; for (;;); }
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#define assert(x) if (!(x)) {printk("Assertion "#x" failed at %s:%d\n", __FILE__,__LINE__); for (;;); }
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#define CHECKPOINT printk("%s:%d\n",__FILE__,__LINE__)
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#else
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#define DPRINT(fmt,args...)
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#define assert(x)
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#define CHECKPOINT
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#endif /* NDEBUG */
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/*
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* FUNCTION: Assert a maximum value for the current irql
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* ARGUMENTS:
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* x = Maximum irql
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*/
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#define ASSERT_IRQL(x) assert(KeGetCurrentIrql()<=(x))
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#define HBP_EXECUTE (0)
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#define HBP_WRITE (1)
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#define HBP_READWRITE (3)
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#define HBP_BYTE (0)
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#define HBP_WORD (1)
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#define HBP_DWORD (3)
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/*
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* FUNCTION: Sets a hardware breakpoint
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* ARGUMENTS:
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* i = breakpoint to set (0 to 3)
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* addr = linear address to break on
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* type = Type of access to break on
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* len = length of the variable to watch
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* NOTES:
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* The variable to watch must be aligned to its length (i.e. a dword
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* breakpoint must be aligned to a dword boundary)
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*
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* A fatal exception will be generated on the access to the variable.
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* It is (at the moment) only really useful for catching undefined
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* pointers if you know the variable effected but not the buggy
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* routine.
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*
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* FIXME: Extend to call out to kernel debugger on breakpoint
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* Add support for I/O breakpoints
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* REFERENCES: See the i386 programmer manual for more details
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*/
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void set_breakpoint(unsigned int i, unsigned int addr, unsigned int type,
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unsigned int len);
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#endif /* __INTERNAL_DEBUG */
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