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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 * 21 * Copyright (c) 2002-2006 Neterion, Inc. 22 */ 23 24 #ifndef XGE_OS_PAL_H 25 #define XGE_OS_PAL_H 26 27 #include "xge-defs.h" 28 29 __EXTERN_BEGIN_DECLS 30 31 /*--------------------------- platform switch ------------------------------*/ 32 33 /* platform specific header */ 34 #include "xge_osdep.h" 35 36 #if !defined(XGE_OS_PLATFORM_64BIT) && !defined(XGE_OS_PLATFORM_32BIT) 37 #error "either 32bit or 64bit switch must be defined!" 38 #endif 39 40 #if !defined(XGE_OS_HOST_BIG_ENDIAN) && !defined(XGE_OS_HOST_LITTLE_ENDIAN) 41 #error "either little endian or big endian switch must be defined!" 42 #endif 43 44 #if defined(XGE_OS_PLATFORM_64BIT) 45 #define XGE_OS_MEMORY_DEADCODE_PAT 0x5a5a5a5a5a5a5a5a 46 #else 47 #define XGE_OS_MEMORY_DEADCODE_PAT 0x5a5a5a5a 48 #endif 49 50 #define XGE_OS_TRACE_MSGBUF_MAX 512 51 typedef struct xge_os_tracebuf_t { 52 int wrapped_once; /* circular buffer been wrapped */ 53 int timestamp; /* whether timestamps are enabled */ 54 volatile int offset; /* offset within the tracebuf */ 55 int size; /* total size of trace buffer */ 56 char msg[XGE_OS_TRACE_MSGBUF_MAX]; /* each individual buffer */ 57 int msgbuf_max; /* actual size of msg buffer */ 58 char *data; /* pointer to data buffer */ 59 } xge_os_tracebuf_t; 60 extern xge_os_tracebuf_t *g_xge_os_tracebuf; 61 62 #ifdef XGE_TRACE_INTO_CIRCULAR_ARR 63 extern xge_os_tracebuf_t *g_xge_os_tracebuf; 64 extern char *dmesg_start; 65 66 /* Calculate the size of the msg and copy it into the global buffer */ 67 #define __xge_trace(tb) { \ 68 int msgsize = xge_os_strlen(tb->msg) + 2; \ 69 int offset = tb->offset; \ 70 if (msgsize != 2 && msgsize < tb->msgbuf_max) { \ 71 int leftsize = tb->size - offset; \ 72 if ((msgsize + tb->msgbuf_max) > leftsize) { \ 73 xge_os_memzero(tb->data + offset, leftsize); \ 74 offset = 0; \ 75 tb->wrapped_once = 1; \ 76 } \ 77 xge_os_memcpy(tb->data + offset, tb->msg, msgsize-1); \ 78 *(tb->data + offset + msgsize-1) = '\n'; \ 79 *(tb->data + offset + msgsize) = 0; \ 80 offset += msgsize; \ 81 tb->offset = offset; \ 82 dmesg_start = tb->data + offset; \ 83 *tb->msg = 0; \ 84 } \ 85 } 86 87 #define xge_os_vatrace(tb, fmt) { \ 88 if (tb != NULL) { \ 89 char *_p = tb->msg; \ 90 if (tb->timestamp) { \ 91 xge_os_timestamp(tb->msg); \ 92 _p = tb->msg + xge_os_strlen(tb->msg); \ 93 } \ 94 xge_os_vasprintf(_p, fmt); \ 95 __xge_trace(tb); \ 96 } \ 97 } 98 99 #ifdef __GNUC__ 100 #define xge_os_trace(tb, fmt...) { \ 101 int msgsize = xge_os_strlen(tb->msg); \ 102 if (tb != NULL) { \ 103 if (tb->timestamp) { \ 104 xge_os_timestamp(tb->msg); \ 105 } \ 106 xge_os_snprintf(tb->msg + msgsize, \ 107 (sizeof(tb->msg) - msgsize)), \ 108 fmt); \ 109 __xge_trace(tb); \ 110 } \ 111 } 112 #endif /* __GNUC__ */ 113 114 #else 115 #define xge_os_vatrace(tb, fmt) 116 #ifdef __GNUC__ 117 #define xge_os_trace(tb, fmt...) 118 #endif /* __GNUC__ */ 119 #endif 120 121 __EXTERN_END_DECLS 122 123 #endif /* XGE_OS_PAL_H */ 124