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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _KDI_H
#define _KDI_H
#include <sys/types.h>
/*
* The Kernel/Debugger interface.
*
* The Debugger -> Kernel portion of the interface is handled by the kdi_t,
* which is defined in the archkdi.h files. These functions are intended to
* be called only when the system is stopped and the debugger is in control.
*
* The Kernel -> Debugger portion is handled by the debugvec_t, which is
* defined here. These functions are used by the kernel to inform the debugger
* of various state changes.
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* The VA range reserved for the debugger; used by kmdb.
*/
extern const caddr_t kdi_segdebugbase;
extern const size_t kdi_segdebugsize;
struct cpu;
struct modctl;
struct gate_desc;
struct user_desc;
typedef struct kdi_debugvec kdi_debugvec_t;
typedef struct kdi kdi_t;
extern kdi_debugvec_t *kdi_dvec;
extern struct modctl *kdi_dmods;
#define KDI_VERSION 7
extern void kdi_dvec_vmready(void);
extern void kdi_dvec_memavail(void);
#if defined(__sparc)
extern void kdi_dvec_cpu_init(struct cpu *);
extern void kdi_dvec_cpr_restart(void);
#endif
extern void kdi_dvec_modavail(void);
extern void kdi_dvec_thravail(void);
extern void kdi_dvec_mod_loaded(struct modctl *);
extern void kdi_dvec_mod_unloading(struct modctl *);
/*
* The state machine described below is used to coordinate the efforts of
* kmdb and dtrace. As both use breakpoints, only one may be currently be
* active at a given time. Transitions are possible between the idle state
* and either of the active states, but not directly between the two active
* states.
*/
typedef enum kdi_dtrace_set {
KDI_DTSET_DTRACE_ACTIVATE,
KDI_DTSET_DTRACE_DEACTIVATE,
KDI_DTSET_KMDB_BPT_ACTIVATE,
KDI_DTSET_KMDB_BPT_DEACTIVATE
} kdi_dtrace_set_t;
typedef enum {
KDI_DTSTATE_DTRACE_ACTIVE,
KDI_DTSTATE_IDLE,
KDI_DTSTATE_KMDB_BPT_ACTIVE
} kdi_dtrace_state_t;
extern int kdi_dtrace_set(kdi_dtrace_set_t);
#ifdef __cplusplus
}
#endif
#endif /* _KDI_H */
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