|
|
|
|
/*
|
|
|
|
|
* kgdb.h: Defines and declarations for serial line source level
|
|
|
|
|
* remote debugging of the Linux kernel using gdb.
|
|
|
|
|
*
|
|
|
|
|
* PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
|
|
|
|
|
*
|
|
|
|
|
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
|
|
|
|
|
*/
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
|
#ifndef _PPC_KGDB_H
|
|
|
|
|
#define _PPC_KGDB_H
|
|
|
|
|
|
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
|
|
|
|
|
|
/* Things specific to the gen550 backend. */
|
|
|
|
|
struct uart_port;
|
|
|
|
|
|
|
|
|
|
extern void gen550_progress(char *, unsigned short);
|
|
|
|
|
extern void gen550_kgdb_map_scc(void);
|
|
|
|
|
extern void gen550_init(int, struct uart_port *);
|
|
|
|
|
|
|
|
|
|
/* Things specific to the pmac backend. */
|
|
|
|
|
extern void zs_kgdb_hook(int tty_num);
|
|
|
|
|
|
|
|
|
|
/* To init the kgdb engine. (called by serial hook)*/
|
|
|
|
|
extern void set_debug_traps(void);
|
|
|
|
|
|
|
|
|
|
/* To enter the debugger explicitly. */
|
|
|
|
|
extern void breakpoint(void);
|
|
|
|
|
|
|
|
|
|
/* For taking exceptions
|
|
|
|
|
* these are defined in traps.c
|
|
|
|
|
*/
|
|
|
|
|
extern int (*debugger)(struct pt_regs *regs);
|
|
|
|
|
extern int (*debugger_bpt)(struct pt_regs *regs);
|
|
|
|
|
extern int (*debugger_sstep)(struct pt_regs *regs);
|
|
|
|
|
extern int (*debugger_iabr_match)(struct pt_regs *regs);
|
|
|
|
|
extern int (*debugger_dabr_match)(struct pt_regs *regs);
|
|
|
|
|
extern void (*debugger_fault_handler)(struct pt_regs *regs);
|
|
|
|
|
|
|
|
|
|
/* What we bring to the party */
|
|
|
|
|
int kgdb_bpt(struct pt_regs *regs);
|
|
|
|
|
int kgdb_sstep(struct pt_regs *regs);
|
|
|
|
|
void kgdb(struct pt_regs *regs);
|
|
|
|
|
int kgdb_iabr_match(struct pt_regs *regs);
|
|
|
|
|
int kgdb_dabr_match(struct pt_regs *regs);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* external low-level support routines (ie macserial.c)
|
|
|
|
|
*/
|
|
|
|
|
extern void kgdb_interruptible(int); /* control interrupts from serial */
|
|
|
|
|
extern void putDebugChar(char); /* write a single character */
|
|
|
|
|
extern char getDebugChar(void); /* read and return a single char */
|
|
|
|
|
|
|
|
|
|
#endif /* !(__ASSEMBLY__) */
|
|
|
|
|
#endif /* !(_PPC_KGDB_H) */
|
|
|
|
|
#endif /* __KERNEL__ */
|
