1 #ifndef __KGDB_H__
2 #define __KGDB_H__
3 
4 #include <asm/ptrace.h>
5 
6 #define KGDBERR_BADPARAMS	1
7 #define KGDBERR_NOTHEXDIG	2
8 #define KGDBERR_MEMFAULT	3
9 #define KGDBERR_NOSPACE		4
10 #define KGDBERR_ALIGNFAULT	5
11 
12 #define KGDBDATA_MAXREGS	8
13 #define KGDBDATA_MAXPRIV	8
14 
15 #define KGDBEXIT_TYPEMASK	0xff
16 
17 #define KGDBEXIT_KILL		0
18 #define KGDBEXIT_CONTINUE	1
19 #define KGDBEXIT_SINGLE		2
20 
21 #define KGDBEXIT_WITHADDR	0x100
22 
23 typedef
24 	struct {
25 		int num;
26 		unsigned long val;
27 	}
28 kgdb_reg;
29 
30 typedef
31 	struct {
32 		int sigval;
33 		int extype;
34 		unsigned long exaddr;
35 		int nregs;
36 		kgdb_reg regs[KGDBDATA_MAXREGS];
37 		unsigned long private[KGDBDATA_MAXPRIV];
38 	}
39 kgdb_data;
40 
41 /* these functions are provided by the generic kgdb support */
42 extern void kgdb_init(void);
43 extern void kgdb_error(int);
44 extern int kgdb_output_string(const char *, unsigned int);
45 extern void breakpoint(void);
46 
47 /* these functions are provided by the platform specific kgdb support */
48 extern void kgdb_flush_cache_range(void *, void *);
49 extern void kgdb_flush_cache_all(void);
50 extern int kgdb_setjmp(long *);
51 extern void kgdb_longjmp(long *, int);
52 extern void kgdb_enter(struct pt_regs *, kgdb_data *);
53 extern void kgdb_exit(struct pt_regs *, kgdb_data *);
54 extern int kgdb_getregs(struct pt_regs *, char *, int);
55 extern void kgdb_putreg(struct pt_regs *, int, char *, int);
56 extern void kgdb_putregs(struct pt_regs *, char *, int);
57 extern int kgdb_trap(struct pt_regs *);
58 void kgdb_breakpoint(int argc, char *const argv[]);
59 
60 /* these functions are provided by the platform serial driver */
61 extern void kgdb_serial_init(void);
62 extern int getDebugChar(void);
63 extern void putDebugChar(int);
64 extern void putDebugStr(const char *);
65 extern void kgdb_interruptible(int);
66 
67 /* this is referenced in the trap handler for the platform */
68 extern int (*debugger_exception_handler)(struct pt_regs *);
69 
70 #endif /* __KGDB_H__ */
71