include/kgdb.h

   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 extern void kgdb_breakpoint(int argc, char *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__ */