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linux-next/arch/mn10300/include/asm/debugger.h
David Howells 67ddb4052d MN10300: Create generic kernel debugger hooks
Create generic kernel debugger hooks in the MN10300 arch and make gdbstub use
them.  This is a preparation for KGDB support.

Signed-off-by: David Howells <dhowells@redhat.com>
2011-03-18 16:54:30 +00:00

44 lines
1.2 KiB
C

/* Kernel debugger for MN10300
*
* Copyright (C) 2011 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_DEBUGGER_H
#define _ASM_DEBUGGER_H
#if defined(CONFIG_KERNEL_DEBUGGER)
extern int debugger_intercept(enum exception_code, int, int, struct pt_regs *);
extern int at_debugger_breakpoint(struct pt_regs *);
#ifndef CONFIG_MN10300_DEBUGGER_CACHE_NO_FLUSH
extern void debugger_local_cache_flushinv(void);
extern void debugger_local_cache_flushinv_one(u8 *);
#else
static inline void debugger_local_cache_flushinv(void) {}
static inline void debugger_local_cache_flushinv_one(u8 *addr) {}
#endif
#else /* CONFIG_KERNEL_DEBUGGER */
static inline int debugger_intercept(enum exception_code excep,
int signo, int si_code,
struct pt_regs *regs)
{
return 0;
}
static inline int at_debugger_breakpoint(struct pt_regs *regs)
{
return 0;
}
#endif /* CONFIG_KERNEL_DEBUGGER */
#endif /* _ASM_DEBUGGER_H */