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include/kgdb.h 1.82 KB
d41ce506b   Eric Lee   Initial Release, ...
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  #ifndef __KGDB_H__
  #define __KGDB_H__
  
  #include <asm/ptrace.h>
  
  #define KGDBERR_BADPARAMS	1
  #define KGDBERR_NOTHEXDIG	2
  #define KGDBERR_MEMFAULT	3
  #define KGDBERR_NOSPACE		4
  #define KGDBERR_ALIGNFAULT	5
  
  #define KGDBDATA_MAXREGS	8
  #define KGDBDATA_MAXPRIV	8
  
  #define KGDBEXIT_TYPEMASK	0xff
  
  #define KGDBEXIT_KILL		0
  #define KGDBEXIT_CONTINUE	1
  #define KGDBEXIT_SINGLE		2
  
  #define KGDBEXIT_WITHADDR	0x100
  
  typedef
  	struct {
  		int num;
  		unsigned long val;
  	}
  kgdb_reg;
  
  typedef
  	struct {
  		int sigval;
  		int extype;
  		unsigned long exaddr;
  		int nregs;
  		kgdb_reg regs[KGDBDATA_MAXREGS];
  		unsigned long private[KGDBDATA_MAXPRIV];
  	}
  kgdb_data;
  
  /* these functions are provided by the generic kgdb support */
  extern void kgdb_init(void);
  extern void kgdb_error(int);
  extern int kgdb_output_string(const char *, unsigned int);
  extern void breakpoint(void);
  
  /* these functions are provided by the platform specific kgdb support */
  extern void kgdb_flush_cache_range(void *, void *);
  extern void kgdb_flush_cache_all(void);
  extern int kgdb_setjmp(long *);
  extern void kgdb_longjmp(long *, int);
  extern void kgdb_enter(struct pt_regs *, kgdb_data *);
  extern void kgdb_exit(struct pt_regs *, kgdb_data *);
  extern int kgdb_getregs(struct pt_regs *, char *, int);
  extern void kgdb_putreg(struct pt_regs *, int, char *, int);
  extern void kgdb_putregs(struct pt_regs *, char *, int);
  extern int kgdb_trap(struct pt_regs *);
  extern void kgdb_breakpoint(int argc, char * const argv[]);
  
  /* these functions are provided by the platform serial driver */
  extern void kgdb_serial_init(void);
  extern int getDebugChar(void);
  extern void putDebugChar(int);
  extern void putDebugStr(const char *);
  extern void kgdb_interruptible(int);
  
  /* this is referenced in the trap handler for the platform */
  extern int (*debugger_exception_handler)(struct pt_regs *);
  
  #endif /* __KGDB_H__ */