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 /* 24 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #ifndef _FMD_TRACE_H 29 #define _FMD_TRACE_H 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <sys/types.h> 34 #include <stdarg.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef struct fmd_tracerec { 41 hrtime_t tr_time; /* high-resolution timestamp */ 42 const char *tr_file; /* source file name */ 43 uint32_t tr_line; /* source file line */ 44 uint16_t tr_errno; /* errno value if error */ 45 uint8_t tr_tag; /* tag (see <fmd_subr.h>) */ 46 uint8_t tr_depth; /* depth of tr_stack[] */ 47 char tr_msg[64]; /* formatted message */ 48 uintptr_t tr_stack[1]; /* stack trace (optional) */ 49 } fmd_tracerec_t; 50 51 typedef struct fmd_tracebuf { 52 fmd_tracerec_t *tb_buf; /* pointer to first trace record */ 53 fmd_tracerec_t *tb_end; /* pointer to last trace record */ 54 fmd_tracerec_t *tb_ptr; /* next trace record to use */ 55 uint_t tb_frames; /* maximum captured frames */ 56 uint_t tb_recs; /* number of trace records */ 57 uint_t tb_size; /* size of each record */ 58 uint_t tb_depth; /* recursion depth of trace function */ 59 } fmd_tracebuf_t; 60 61 typedef fmd_tracerec_t *fmd_tracebuf_f(fmd_tracebuf_t *, 62 uint_t, const char *, va_list); 63 64 extern fmd_tracebuf_t *fmd_trace_create(void); 65 extern void fmd_trace_destroy(fmd_tracebuf_t *); 66 67 extern fmd_tracebuf_f fmd_trace_none; 68 extern fmd_tracebuf_f fmd_trace_lite; 69 extern fmd_tracebuf_f fmd_trace_full; 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif /* _FMD_TRACE_H */ 76