1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/param.h> 31 #include <sys/user.h> 32 #include <sys/buf.h> 33 #include <sys/systm.h> 34 #include <sys/vm.h> 35 #include <sys/uio.h> 36 #include <vm/seg.h> 37 #include <sys/stat.h> 38 39 #include <sys/time.h> 40 #include <sys/varargs.h> 41 42 #include <sys/rsm/rsm.h> 43 44 /* lint -w2 */ 45 46 extern char *vsprintf_len(size_t, char *, const char *, va_list); 47 extern char *sprintf(char *buf, const char *fmt, ...); 48 49 /* 50 * From kmdb, read printfs using : *rsmka_dbg/s 51 */ 52 #define RSMKA_BUFSIZE 0x10000 53 54 char rsmka_buf[RSMKA_BUFSIZE]; 55 char *rsmka_dbg = rsmka_buf; 56 char *rsmka_buf_end = rsmka_buf; 57 char *rsmka_buf_top = rsmka_buf + RSMKA_BUFSIZE - 256; 58 kmutex_t rsmka_buf_lock; 59 60 int rsmdbg_category = RSM_KERNEL_ALL; 61 #ifdef DEBUG 62 int rsmdbg_level = RSM_DEBUG_VERBOSE; 63 #else 64 int rsmdbg_level = RSM_NOTICE; 65 #endif 66 67 void dbprintf(char *fmt, ...) { 68 va_list ap; 69 /* lint -save -e40 */ 70 va_start(ap, fmt); 71 /* lint -restore */ 72 mutex_enter(&rsmka_buf_lock); 73 (void) vsprintf_len(255, rsmka_buf_end, fmt, ap); 74 rsmka_buf_end += strlen(rsmka_buf_end); 75 if (rsmka_buf_end > rsmka_buf_top) { 76 rsmka_buf_end = rsmka_buf; 77 } 78 va_end(ap); 79 mutex_exit(&rsmka_buf_lock); 80 } 81 82 void 83 dbg_printf(int msg_category, int msg_level, char *fmt, ...) 84 { 85 if ((msg_category & rsmdbg_category) && 86 (msg_level <= rsmdbg_level)) { 87 va_list ap; 88 va_start(ap, fmt); 89 mutex_enter(&rsmka_buf_lock); 90 (void) sprintf(rsmka_buf_end, "%16" PRIx64 ":", 91 curthread->t_did); 92 rsmka_buf_end += 17; 93 (void) vsprintf_len(255, rsmka_buf_end, fmt, ap); 94 rsmka_buf_end += strlen(rsmka_buf_end); 95 if (rsmka_buf_end > rsmka_buf_top) { 96 rsmka_buf_end = rsmka_buf; 97 } 98 mutex_exit(&rsmka_buf_lock); 99 va_end(ap); 100 } 101 } 102