2 * BK Id: SCCS/s.kgdb.h 1.8 11/16/01 16:08:22 dgibson
5 * kgdb.h: Defines and declarations for serial line source level
6 * remote debugging of the Linux kernel using gdb.
8 * PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
10 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
17 /* To initialize the serial, first thing called */
18 extern void zs_kgdb_hook(int tty_num);
19 /* To init the kgdb engine. (called by serial hook)*/
20 extern void set_debug_traps(void);
22 /* To enter the debugger explicitly. */
23 extern void breakpoint(void);
25 /* For taking exceptions
26 * these are defined in traps.c
28 extern void (*debugger)(struct pt_regs *regs);
29 extern int (*debugger_bpt)(struct pt_regs *regs);
30 extern int (*debugger_sstep)(struct pt_regs *regs);
31 extern int (*debugger_iabr_match)(struct pt_regs *regs);
32 extern int (*debugger_dabr_match)(struct pt_regs *regs);
33 extern void (*debugger_fault_handler)(struct pt_regs *regs);
35 /* What we bring to the party */
36 int kgdb_bpt(struct pt_regs *regs);
37 int kgdb_sstep(struct pt_regs *regs);
38 void kgdb(struct pt_regs *regs);
39 int kgdb_iabr_match(struct pt_regs *regs);
40 int kgdb_dabr_match(struct pt_regs *regs);
43 * external low-level support routines (ie macserial.c)
45 extern void kgdb_interruptible(int); /* control interrupts from serial */
46 extern void putDebugChar(char); /* write a single character */
47 extern char getDebugChar(void); /* read and return a single char */
49 #endif /* !(__ASSEMBLY__) */
50 #endif /* !(_PPC_KGDB_H) */
51 #endif /* __KERNEL__ */