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/*
* Minimalist Kernel Debugger
*
* Copyright (C) 1999 Silicon Graphics, Inc.
* Copyright (C) Scott Lurndal (slurn@engr.sgi.com)
* Copyright (C) Scott Foehner (sfoehner@engr.sgi.com)
* Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
*
* See the file LIA-COPYRIGHT for additional information.
*
* Written March 1999 by Scott Lurndal at Silicon Graphics, Inc.
*
* Modifications from:
* Richard Bass 1999/07/20
* Many bug fixes and enhancements.
* Scott Foehner
* Port to ia64
* Scott Lurndal 1999/12/12
* v1.0 restructuring.
*/
#if !defined(_ASM_KDB_H)
#define _ASM_KDB_H
/*
* KDB_ENTER() is a macro which causes entry into the kernel
* debugger from any point in the kernel code stream. If it
* is intended to be used from interrupt level, it must use
* a non-maskable entry method.
*/
#define KDB_ENTER() asm("\tint $129\n")
/*
* Define the exception frame for this architeture
*/
struct pt_regs;
typedef struct pt_regs *kdb_eframe_t;
/*
* Needed for exported symbols.
*/
typedef unsigned long kdb_machreg_t;
#define kdb_machreg_fmt "0x%lx"
#define kdb_machreg_fmt0 "0x%08lx"
#define kdb_bfd_vma_fmt "0x%lx"
#define kdb_bfd_vma_fmt0 "0x%08lx"
#define kdb_elfw_addr_fmt "0x%x"
#define kdb_elfw_addr_fmt0 "0x%08x"
/*
* Per cpu arch specific kdb state. Must be in range 0xff000000.
*/
#define KDB_STATE_A_IF 0x01000000 /* Saved IF flag */
/*
* Interface from kernel trap handling code to kernel debugger.
*/
extern int kdba_callback_die(struct pt_regs *, int, long, void*);
extern int kdba_callback_bp(struct pt_regs *, int, long, void*);
extern int kdba_callback_debug(struct pt_regs *, int, long, void *);
#endif /* ASM_KDB_H */
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