2005-04-17 06:20:36 +08:00
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/*
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* kgdb.h: Defines and declarations for serial line source level
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* remote debugging of the Linux kernel using gdb.
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*
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* PPC Mods (C) 1998 Michael Tesch (tesch@cs.wisc.edu)
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*
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* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifdef __KERNEL__
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#ifndef _PPC_KGDB_H
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#define _PPC_KGDB_H
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#ifndef __ASSEMBLY__
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/* Things specific to the gen550 backend. */
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struct uart_port;
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extern void gen550_progress(char *, unsigned short);
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extern void gen550_kgdb_map_scc(void);
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extern void gen550_init(int, struct uart_port *);
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/* Things specific to the pmac backend. */
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extern void zs_kgdb_hook(int tty_num);
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/* To init the kgdb engine. (called by serial hook)*/
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extern void set_debug_traps(void);
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/* To enter the debugger explicitly. */
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extern void breakpoint(void);
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/* For taking exceptions
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* these are defined in traps.c
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*/
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2005-11-07 13:43:44 +08:00
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extern int (*debugger)(struct pt_regs *regs);
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2005-04-17 06:20:36 +08:00
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extern int (*debugger_bpt)(struct pt_regs *regs);
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extern int (*debugger_sstep)(struct pt_regs *regs);
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extern int (*debugger_iabr_match)(struct pt_regs *regs);
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extern int (*debugger_dabr_match)(struct pt_regs *regs);
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extern void (*debugger_fault_handler)(struct pt_regs *regs);
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/* What we bring to the party */
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int kgdb_bpt(struct pt_regs *regs);
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int kgdb_sstep(struct pt_regs *regs);
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void kgdb(struct pt_regs *regs);
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int kgdb_iabr_match(struct pt_regs *regs);
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int kgdb_dabr_match(struct pt_regs *regs);
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/*
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* external low-level support routines (ie macserial.c)
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*/
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extern void kgdb_interruptible(int); /* control interrupts from serial */
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extern void putDebugChar(char); /* write a single character */
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extern char getDebugChar(void); /* read and return a single char */
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#endif /* !(__ASSEMBLY__) */
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#endif /* !(_PPC_KGDB_H) */
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#endif /* __KERNEL__ */
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