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Diffstat (limited to 'usr/src/uts/common/sys/kdi.h')
| -rw-r--r-- | usr/src/uts/common/sys/kdi.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/kdi.h b/usr/src/uts/common/sys/kdi.h new file mode 100644 index 0000000000..347a973af8 --- /dev/null +++ b/usr/src/uts/common/sys/kdi.h @@ -0,0 +1,113 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (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 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _KDI_H +#define _KDI_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * 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. */ +#if defined(__sparc) +#define SEGDEBUGBASE 0xedd00000 +#define SEGDEBUGSIZE (0xf0000000 - SEGDEBUGBASE) +#elif defined(__amd64) +#define SEGDEBUGBASE 0xffffffffff800000 +#define SEGDEBUGSIZE 0x400000 +#else +#define SEGDEBUGBASE 0xff800000 +#define SEGDEBUGSIZE 0x400000 +#endif + +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; + +#define KDI_VERSION 6 + +extern void kdi_dvec_enter(void); +extern void kdi_dvec_cpu_init(struct cpu *); +#if defined(__i386) || defined(__amd64) +extern void kdi_dvec_idt_sync(struct gate_desc *); +#endif /* __i386 || __amd64 */ +extern void kdi_dvec_vmready(void); +extern void kdi_dvec_memavail(void); +#if defined(__sparc) +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 */ |