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