| 1 | /* $NetBSD: kgdb.h,v 1.12 2011/04/03 22:29:28 dyoung Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1992, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * This software was developed by the Computer Systems Engineering group |
| 8 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and |
| 9 | * contributed to Berkeley. |
| 10 | * |
| 11 | * All advertising materials mentioning features or use of this software |
| 12 | * must display the following acknowledgement: |
| 13 | * This product includes software developed by the University of |
| 14 | * California, Lawrence Berkeley Laboratories. |
| 15 | * |
| 16 | * Redistribution and use in source and binary forms, with or without |
| 17 | * modification, are permitted provided that the following conditions |
| 18 | * are met: |
| 19 | * 1. Redistributions of source code must retain the above copyright |
| 20 | * notice, this list of conditions and the following disclaimer. |
| 21 | * 2. Redistributions in binary form must reproduce the above copyright |
| 22 | * notice, this list of conditions and the following disclaimer in the |
| 23 | * documentation and/or other materials provided with the distribution. |
| 24 | * 3. Neither the name of the University nor the names of its contributors |
| 25 | * may be used to endorse or promote products derived from this software |
| 26 | * without specific prior written permission. |
| 27 | * |
| 28 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 29 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 31 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 37 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 38 | * SUCH DAMAGE. |
| 39 | * |
| 40 | * @(#)remote-sl.h 8.1 (Berkeley) 6/11/93 |
| 41 | */ |
| 42 | |
| 43 | #ifndef _SYS_KGDB_H_ |
| 44 | #define _SYS_KGDB_H_ |
| 45 | |
| 46 | /* |
| 47 | * Protocol definition for KGDB |
| 48 | * (gdb over remote serial line) |
| 49 | */ |
| 50 | |
| 51 | #include <machine/db_machdep.h> |
| 52 | |
| 53 | /* |
| 54 | * Message types. |
| 55 | */ |
| 56 | #define KGDB_MEM_R 'm' |
| 57 | #define KGDB_MEM_W 'M' |
| 58 | #define KGDB_REG_R 'g' |
| 59 | #define KGDB_REG_W 'G' |
| 60 | #define KGDB_CONT 'c' |
| 61 | #define KGDB_STEP 's' |
| 62 | #define KGDB_KILL 'k' |
| 63 | #define KGDB_DETACH 'D' |
| 64 | #define KGDB_SIGNAL '?' |
| 65 | #define KGDB_DEBUG 'd' |
| 66 | |
| 67 | /* |
| 68 | * start of frame/end of frame |
| 69 | */ |
| 70 | #define KGDB_START '$' |
| 71 | #define KGDB_END '#' |
| 72 | #define KGDB_GOODP '+' |
| 73 | #define KGDB_BADP '-' |
| 74 | |
| 75 | #ifdef _KERNEL |
| 76 | |
| 77 | #include <ddb/db_run.h> |
| 78 | #include <ddb/db_access.h> |
| 79 | |
| 80 | /* |
| 81 | * Functions and variables exported from kgdb_stub.c |
| 82 | */ |
| 83 | extern dev_t kgdb_dev; |
| 84 | extern int kgdb_rate, kgdb_active; |
| 85 | extern int kgdb_debug_init, kgdb_debug_panic; |
| 86 | extern label_t *kgdb_recover; |
| 87 | |
| 88 | void kgdb_attach(int (*)(void *), void (*)(void *, int), void *); |
| 89 | void kgdb_connect(int); |
| 90 | void kgdb_panic(void); |
| 91 | int kgdb_trap(int, db_regs_t *); |
| 92 | int kgdb_disconnected(void); |
| 93 | |
| 94 | /* |
| 95 | * Machine dependent functions needed by kgdb_stub.c |
| 96 | */ |
| 97 | int kgdb_signal(int); |
| 98 | int kgdb_acc(vaddr_t, size_t); |
| 99 | void kgdb_entry_notice(int, db_regs_t *); |
| 100 | void kgdb_getregs(db_regs_t *, kgdb_reg_t *); |
| 101 | void kgdb_setregs(db_regs_t *, kgdb_reg_t *); |
| 102 | |
| 103 | #endif /* _KERNEL */ |
| 104 | #endif /* !_SYS_KGDB_H_ */ |
| 105 | |