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1275 |
phoenix |
/*
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _PPC64_KGDB_H
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#define _PPC64_KGDB_H
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#ifndef __ASSEMBLY__
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/* To initialize the serial, first thing called */
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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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extern void (*debugger)(struct pt_regs *regs);
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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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static void kgdb_fault_handler(struct pt_regs *regs);
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static void handle_exception (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 /* !(_PPC64_KGDB_H) */
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