1 /**************************************************************************
3 * Copyright 2007-2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
37 #include "trace_format.hpp"
43 static gzFile g_gzFile = NULL;
44 static void _Close(void) {
45 if(g_gzFile != NULL) {
51 static void _Open(const char *szName, const char *szExtension) {
54 static unsigned dwCounter = 0;
56 char szProcessName[PATH_MAX];
57 char szFileName[PATH_MAX];
59 OS::GetProcessName(szProcessName, PATH_MAX);
65 snprintf(szFileName, PATH_MAX, "%s.%s.%u.%s", szProcessName, szName, dwCounter, szExtension);
67 snprintf(szFileName, PATH_MAX, "%s.%s.%s", szProcessName, szName, szExtension);
69 file = fopen(szFileName, "rb");
78 fprintf(stderr, "Logging to %s\n", szFileName);
79 g_gzFile = gzopen(szFileName, "wb");
82 static inline void Write(const void *sBuffer, size_t dwBytesToWrite) {
86 gzwrite(g_gzFile, sBuffer, dwBytesToWrite);
95 WriteUInt(unsigned long long value) {
96 char buf[2 * sizeof value];
101 assert(len < sizeof buf);
102 buf[len] = 0x80 | (value & 0x7f);
108 buf[len - 1] &= 0x7f;
114 WriteFloat(float value) {
115 assert(sizeof value == 4);
116 Write((const char *)&value, sizeof value);
120 WriteDouble(double value) {
121 assert(sizeof value == 8);
122 Write((const char *)&value, sizeof value);
126 WriteString(const char *str) {
127 size_t len = strlen(str);
132 void Open(const char *name) {
133 _Open(name, "trace");
134 WriteUInt(TRACE_VERSION);
141 void BeginCall(const char *function) {
143 WriteString(function);
147 WriteByte(Trace::CALL_END);
148 gzflush(g_gzFile, Z_SYNC_FLUSH);
152 void BeginArg(const char *type, const char *name) {
153 WriteByte(Trace::CALL_ARG);
157 void EndArg(void) { }
159 void BeginReturn(const char *type) {
160 WriteByte(Trace::CALL_RET);
163 void EndReturn(void) { }
165 void BeginArray(const char *type, size_t length) {
166 WriteByte(Trace::TYPE_ARRAY);
170 void EndArray(void) { }
172 void BeginElement(const char *type) { }
174 void EndElement(void) { }
176 void BeginStruct(const char *type) {
177 WriteByte(Trace::TYPE_STRUCT);
180 void EndStruct(void) {
184 void BeginMember(const char *type, const char *name) {
188 void EndMember(void) { }
190 void BeginBitmask(const char *type) {
191 WriteByte(Trace::TYPE_BITMASK);
194 void EndBitmask(void) {
195 WriteByte(Trace::TYPE_NULL);
198 void BeginPointer(const char *type, const void *addr)
200 WriteByte(Trace::TYPE_POINTER);
201 WriteUInt((size_t)addr);
204 void EndPointer(void) { }
206 void LiteralBool(bool value) {
207 WriteByte(value ? Trace::TYPE_TRUE : Trace::TYPE_FALSE);
210 void LiteralSInt(signed long long value) {
212 WriteByte(Trace::TYPE_SINT);
215 WriteByte(Trace::TYPE_UINT);
220 void LiteralUInt(unsigned long long value) {
221 WriteByte(Trace::TYPE_UINT);
225 void LiteralFloat(float value) {
226 WriteByte(Trace::TYPE_FLOAT);
230 void LiteralFloat(double value) {
231 WriteByte(Trace::TYPE_DOUBLE);
235 void LiteralString(const char *str) {
240 WriteByte(Trace::TYPE_STRING);
244 void LiteralWString(const wchar_t *str) {
249 WriteByte(Trace::TYPE_STRING);
250 WriteString("<wide-string>");
253 void LiteralBlob(const void *data, size_t size) {
258 WriteByte(Trace::TYPE_BLOB);
265 void LiteralNamedConstant(const char *name, long long value) {
266 WriteByte(Trace::TYPE_CONST);
271 void LiteralNull(void) {
272 WriteByte(Trace::TYPE_NULL);
275 void LiteralOpaque(void) {
276 WriteByte(Trace::TYPE_OPAQUE);
279 } /* namespace Log */