ager@chromium.org | 9258b6b | 2008-09-11 09:11:10 +0000 | [diff] [blame] | 1 | // Copyright 2006-2008 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
yangguo@chromium.org | 5a11aaf | 2012-06-20 11:29:00 +0000 | [diff] [blame] | 28 | #include <errno.h> |
| 29 | #include <stdio.h> |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 30 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 31 | #include <bzlib.h> |
| 32 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 33 | #include <signal.h> |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 34 | |
| 35 | #include "v8.h" |
| 36 | |
| 37 | #include "bootstrapper.h" |
yangguo@chromium.org | 5a11aaf | 2012-06-20 11:29:00 +0000 | [diff] [blame] | 38 | #include "flags.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 39 | #include "natives.h" |
| 40 | #include "platform.h" |
| 41 | #include "serialize.h" |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 42 | #include "list.h" |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 43 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 44 | using namespace v8; |
| 45 | |
| 46 | static const unsigned int kMaxCounters = 256; |
| 47 | |
| 48 | // A single counter in a counter collection. |
| 49 | class Counter { |
| 50 | public: |
| 51 | static const int kMaxNameSize = 64; |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 52 | int32_t* Bind(const char* name) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 53 | int i; |
| 54 | for (i = 0; i < kMaxNameSize - 1 && name[i]; i++) { |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 55 | name_[i] = name[i]; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 56 | } |
| 57 | name_[i] = '\0'; |
| 58 | return &counter_; |
| 59 | } |
| 60 | private: |
| 61 | int32_t counter_; |
| 62 | uint8_t name_[kMaxNameSize]; |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | // A set of counters and associated information. An instance of this |
| 67 | // class is stored directly in the memory-mapped counters file if |
| 68 | // the --save-counters options is used |
| 69 | class CounterCollection { |
| 70 | public: |
| 71 | CounterCollection() { |
| 72 | magic_number_ = 0xDEADFACE; |
| 73 | max_counters_ = kMaxCounters; |
| 74 | max_name_size_ = Counter::kMaxNameSize; |
| 75 | counters_in_use_ = 0; |
| 76 | } |
| 77 | Counter* GetNextCounter() { |
| 78 | if (counters_in_use_ == kMaxCounters) return NULL; |
| 79 | return &counters_[counters_in_use_++]; |
| 80 | } |
| 81 | private: |
| 82 | uint32_t magic_number_; |
| 83 | uint32_t max_counters_; |
| 84 | uint32_t max_name_size_; |
| 85 | uint32_t counters_in_use_; |
| 86 | Counter counters_[kMaxCounters]; |
| 87 | }; |
| 88 | |
| 89 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 90 | class Compressor { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 91 | public: |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 92 | virtual ~Compressor() {} |
| 93 | virtual bool Compress(i::Vector<char> input) = 0; |
| 94 | virtual i::Vector<char>* output() = 0; |
| 95 | }; |
| 96 | |
| 97 | |
| 98 | class PartialSnapshotSink : public i::SnapshotByteSink { |
| 99 | public: |
| 100 | PartialSnapshotSink() : data_(), raw_size_(-1) { } |
| 101 | virtual ~PartialSnapshotSink() { data_.Free(); } |
| 102 | virtual void Put(int byte, const char* description) { |
| 103 | data_.Add(byte); |
| 104 | } |
| 105 | virtual int Position() { return data_.length(); } |
| 106 | void Print(FILE* fp) { |
| 107 | int length = Position(); |
| 108 | for (int j = 0; j < length; j++) { |
| 109 | if ((j & 0x1f) == 0x1f) { |
| 110 | fprintf(fp, "\n"); |
| 111 | } |
| 112 | if (j != 0) { |
| 113 | fprintf(fp, ","); |
| 114 | } |
ricow@chromium.org | 7ad6522 | 2011-12-19 12:13:11 +0000 | [diff] [blame] | 115 | fprintf(fp, "%u", static_cast<unsigned char>(at(j))); |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 116 | } |
| 117 | } |
| 118 | char at(int i) { return data_[i]; } |
| 119 | bool Compress(Compressor* compressor) { |
| 120 | ASSERT_EQ(-1, raw_size_); |
| 121 | raw_size_ = data_.length(); |
| 122 | if (!compressor->Compress(data_.ToVector())) return false; |
| 123 | data_.Clear(); |
| 124 | data_.AddAll(*compressor->output()); |
| 125 | return true; |
| 126 | } |
| 127 | int raw_size() { return raw_size_; } |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 128 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 129 | private: |
| 130 | i::List<char> data_; |
| 131 | int raw_size_; |
| 132 | }; |
| 133 | |
| 134 | |
| 135 | class CppByteSink : public PartialSnapshotSink { |
| 136 | public: |
| 137 | explicit CppByteSink(const char* snapshot_file) { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 138 | fp_ = i::OS::FOpen(snapshot_file, "wb"); |
| 139 | if (fp_ == NULL) { |
| 140 | i::PrintF("Unable to write to snapshot file \"%s\"\n", snapshot_file); |
| 141 | exit(1); |
| 142 | } |
| 143 | fprintf(fp_, "// Autogenerated snapshot file. Do not edit.\n\n"); |
| 144 | fprintf(fp_, "#include \"v8.h\"\n"); |
| 145 | fprintf(fp_, "#include \"platform.h\"\n\n"); |
| 146 | fprintf(fp_, "#include \"snapshot.h\"\n\n"); |
| 147 | fprintf(fp_, "namespace v8 {\nnamespace internal {\n\n"); |
| 148 | fprintf(fp_, "const byte Snapshot::data_[] = {"); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 149 | } |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 150 | |
| 151 | virtual ~CppByteSink() { |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 152 | fprintf(fp_, "const int Snapshot::size_ = %d;\n", Position()); |
| 153 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 154 | fprintf(fp_, "const byte* Snapshot::raw_data_ = NULL;\n"); |
| 155 | fprintf(fp_, |
| 156 | "const int Snapshot::raw_size_ = %d;\n\n", |
| 157 | raw_size()); |
| 158 | #else |
| 159 | fprintf(fp_, |
| 160 | "const byte* Snapshot::raw_data_ = Snapshot::data_;\n"); |
| 161 | fprintf(fp_, |
| 162 | "const int Snapshot::raw_size_ = Snapshot::size_;\n\n"); |
| 163 | #endif |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 164 | fprintf(fp_, "} } // namespace v8::internal\n"); |
| 165 | fclose(fp_); |
| 166 | } |
| 167 | |
| 168 | void WriteSpaceUsed( |
| 169 | int new_space_used, |
| 170 | int pointer_space_used, |
| 171 | int data_space_used, |
| 172 | int code_space_used, |
| 173 | int map_space_used, |
| 174 | int cell_space_used, |
| 175 | int large_space_used) { |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 176 | fprintf(fp_, "const int Snapshot::new_space_used_ = %d;\n", new_space_used); |
| 177 | fprintf(fp_, |
| 178 | "const int Snapshot::pointer_space_used_ = %d;\n", |
| 179 | pointer_space_used); |
| 180 | fprintf(fp_, |
| 181 | "const int Snapshot::data_space_used_ = %d;\n", |
| 182 | data_space_used); |
| 183 | fprintf(fp_, |
| 184 | "const int Snapshot::code_space_used_ = %d;\n", |
| 185 | code_space_used); |
| 186 | fprintf(fp_, "const int Snapshot::map_space_used_ = %d;\n", map_space_used); |
| 187 | fprintf(fp_, |
| 188 | "const int Snapshot::cell_space_used_ = %d;\n", |
| 189 | cell_space_used); |
| 190 | fprintf(fp_, |
| 191 | "const int Snapshot::large_space_used_ = %d;\n", |
| 192 | large_space_used); |
| 193 | } |
| 194 | |
| 195 | void WritePartialSnapshot() { |
| 196 | int length = partial_sink_.Position(); |
| 197 | fprintf(fp_, "};\n\n"); |
| 198 | fprintf(fp_, "const int Snapshot::context_size_ = %d;\n", length); |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 199 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 200 | fprintf(fp_, |
| 201 | "const int Snapshot::context_raw_size_ = %d;\n", |
| 202 | partial_sink_.raw_size()); |
| 203 | #else |
| 204 | fprintf(fp_, |
| 205 | "const int Snapshot::context_raw_size_ = " |
| 206 | "Snapshot::context_size_;\n"); |
| 207 | #endif |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 208 | fprintf(fp_, "const byte Snapshot::context_data_[] = {\n"); |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 209 | partial_sink_.Print(fp_); |
| 210 | fprintf(fp_, "};\n\n"); |
| 211 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 212 | fprintf(fp_, "const byte* Snapshot::context_raw_data_ = NULL;\n"); |
| 213 | #else |
| 214 | fprintf(fp_, "const byte* Snapshot::context_raw_data_ =" |
| 215 | " Snapshot::context_data_;\n"); |
| 216 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 217 | } |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 218 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 219 | void WriteSnapshot() { |
| 220 | Print(fp_); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 221 | } |
| 222 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 223 | PartialSnapshotSink* partial_sink() { return &partial_sink_; } |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 224 | |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 225 | private: |
| 226 | FILE* fp_; |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 227 | PartialSnapshotSink partial_sink_; |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 228 | }; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 229 | |
| 230 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 231 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 232 | class BZip2Compressor : public Compressor { |
| 233 | public: |
| 234 | BZip2Compressor() : output_(NULL) {} |
| 235 | virtual ~BZip2Compressor() { |
| 236 | delete output_; |
| 237 | } |
| 238 | virtual bool Compress(i::Vector<char> input) { |
| 239 | delete output_; |
| 240 | output_ = new i::ScopedVector<char>((input.length() * 101) / 100 + 1000); |
| 241 | unsigned int output_length_ = output_->length(); |
| 242 | int result = BZ2_bzBuffToBuffCompress(output_->start(), &output_length_, |
| 243 | input.start(), input.length(), |
| 244 | 9, 1, 0); |
| 245 | if (result == BZ_OK) { |
| 246 | output_->Truncate(output_length_); |
| 247 | return true; |
| 248 | } else { |
| 249 | fprintf(stderr, "bzlib error code: %d\n", result); |
| 250 | return false; |
| 251 | } |
| 252 | } |
| 253 | virtual i::Vector<char>* output() { return output_; } |
| 254 | |
| 255 | private: |
| 256 | i::ScopedVector<char>* output_; |
| 257 | }; |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 258 | |
| 259 | |
| 260 | class BZip2Decompressor : public StartupDataDecompressor { |
| 261 | public: |
| 262 | virtual ~BZip2Decompressor() { } |
| 263 | |
| 264 | protected: |
| 265 | virtual int DecompressData(char* raw_data, |
| 266 | int* raw_data_size, |
| 267 | const char* compressed_data, |
| 268 | int compressed_data_size) { |
| 269 | ASSERT_EQ(StartupData::kBZip2, |
| 270 | V8::GetCompressedStartupDataAlgorithm()); |
| 271 | unsigned int decompressed_size = *raw_data_size; |
| 272 | int result = |
| 273 | BZ2_bzBuffToBuffDecompress(raw_data, |
| 274 | &decompressed_size, |
| 275 | const_cast<char*>(compressed_data), |
| 276 | compressed_data_size, |
| 277 | 0, 1); |
| 278 | if (result == BZ_OK) { |
| 279 | *raw_data_size = decompressed_size; |
| 280 | } |
| 281 | return result; |
| 282 | } |
| 283 | }; |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 284 | #endif |
| 285 | |
| 286 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 287 | int main(int argc, char** argv) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 288 | // By default, log code create information in the snapshot. |
| 289 | i::FLAG_log_code = true; |
whesse@chromium.org | 030d38e | 2011-07-13 13:23:34 +0000 | [diff] [blame] | 290 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 291 | // Print the usage if an error occurs when parsing the command line |
| 292 | // flags or if the help flag is set. |
| 293 | int result = i::FlagList::SetFlagsFromCommandLine(&argc, argv, true); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 294 | if (result > 0 || argc != 2 || i::FLAG_help) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 295 | ::printf("Usage: %s [flag] ... outfile\n", argv[0]); |
kasperl@chromium.org | b912362 | 2008-09-17 14:05:56 +0000 | [diff] [blame] | 296 | i::FlagList::PrintHelp(); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 297 | return !i::FLAG_help; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 298 | } |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 299 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 300 | BZip2Decompressor natives_decompressor; |
| 301 | int bz2_result = natives_decompressor.Decompress(); |
| 302 | if (bz2_result != BZ_OK) { |
| 303 | fprintf(stderr, "bzip error code: %d\n", bz2_result); |
| 304 | exit(1); |
| 305 | } |
| 306 | #endif |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 307 | i::Serializer::Enable(); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 308 | Persistent<Context> context = v8::Context::New(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 309 | if (context.IsEmpty()) { |
| 310 | fprintf(stderr, |
| 311 | "\nException thrown while compiling natives - see above.\n\n"); |
| 312 | exit(1); |
| 313 | } |
yangguo@chromium.org | 5a11aaf | 2012-06-20 11:29:00 +0000 | [diff] [blame] | 314 | if (i::FLAG_extra_code != NULL) { |
| 315 | context->Enter(); |
| 316 | // Capture 100 frames if anything happens. |
| 317 | V8::SetCaptureStackTraceForUncaughtExceptions(true, 100); |
| 318 | HandleScope scope; |
| 319 | const char* name = i::FLAG_extra_code; |
| 320 | FILE* file = i::OS::FOpen(name, "rb"); |
| 321 | if (file == NULL) { |
| 322 | fprintf(stderr, "Failed to open '%s': errno %d\n", name, errno); |
| 323 | exit(1); |
| 324 | } |
| 325 | |
| 326 | fseek(file, 0, SEEK_END); |
| 327 | int size = ftell(file); |
| 328 | rewind(file); |
| 329 | |
| 330 | char* chars = new char[size + 1]; |
| 331 | chars[size] = '\0'; |
| 332 | for (int i = 0; i < size;) { |
| 333 | int read = static_cast<int>(fread(&chars[i], 1, size - i, file)); |
| 334 | if (read < 0) { |
| 335 | fprintf(stderr, "Failed to read '%s': errno %d\n", name, errno); |
| 336 | exit(1); |
| 337 | } |
| 338 | i += read; |
| 339 | } |
| 340 | fclose(file); |
| 341 | Local<String> source = String::New(chars); |
| 342 | TryCatch try_catch; |
| 343 | Local<Script> script = Script::Compile(source); |
| 344 | if (try_catch.HasCaught()) { |
| 345 | fprintf(stderr, "Failure compiling '%s' (see above)\n", name); |
| 346 | exit(1); |
| 347 | } |
| 348 | script->Run(); |
| 349 | if (try_catch.HasCaught()) { |
| 350 | fprintf(stderr, "Failure running '%s'\n", name); |
| 351 | Local<Message> message = try_catch.Message(); |
| 352 | Local<String> message_string = message->Get(); |
| 353 | Local<String> message_line = message->GetSourceLine(); |
| 354 | int len = 2 + message_string->Utf8Length() + message_line->Utf8Length(); |
| 355 | char* buf = new char(len); |
| 356 | message_string->WriteUtf8(buf); |
| 357 | fprintf(stderr, "%s at line %d\n", buf, message->GetLineNumber()); |
| 358 | message_line->WriteUtf8(buf); |
| 359 | fprintf(stderr, "%s\n", buf); |
| 360 | int from = message->GetStartColumn(); |
| 361 | int to = message->GetEndColumn(); |
| 362 | int i; |
| 363 | for (i = 0; i < from; i++) fprintf(stderr, " "); |
| 364 | for ( ; i <= to; i++) fprintf(stderr, "^"); |
| 365 | fprintf(stderr, "\n"); |
| 366 | exit(1); |
| 367 | } |
| 368 | context->Exit(); |
| 369 | } |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 370 | // Make sure all builtin scripts are cached. |
| 371 | { HandleScope scope; |
| 372 | for (int i = 0; i < i::Natives::GetBuiltinsCount(); i++) { |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 373 | i::Isolate::Current()->bootstrapper()->NativesSourceLookup(i); |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 374 | } |
| 375 | } |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 376 | // If we don't do this then we end up with a stray root pointing at the |
| 377 | // context even after we have disposed of the context. |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 378 | HEAP->CollectAllGarbage(i::Heap::kNoGCFlags, "mksnapshot"); |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 379 | i::Object* raw_context = *(v8::Utils::OpenHandle(*context)); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 380 | context.Dispose(); |
| 381 | CppByteSink sink(argv[1]); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 382 | // This results in a somewhat smaller snapshot, probably because it gets rid |
| 383 | // of some things that are cached between garbage collections. |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 384 | i::StartupSerializer ser(&sink); |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 385 | ser.SerializeStrongReferences(); |
| 386 | |
| 387 | i::PartialSerializer partial_ser(&ser, sink.partial_sink()); |
| 388 | partial_ser.Serialize(&raw_context); |
| 389 | |
| 390 | ser.SerializeWeakReferences(); |
| 391 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 392 | #ifdef COMPRESS_STARTUP_DATA_BZ2 |
| 393 | BZip2Compressor compressor; |
| 394 | if (!sink.Compress(&compressor)) |
| 395 | return 1; |
| 396 | if (!sink.partial_sink()->Compress(&compressor)) |
| 397 | return 1; |
| 398 | #endif |
| 399 | sink.WriteSnapshot(); |
kmillikin@chromium.org | 5d8f0e6 | 2010-03-24 08:21:20 +0000 | [diff] [blame] | 400 | sink.WritePartialSnapshot(); |
| 401 | |
| 402 | sink.WriteSpaceUsed( |
| 403 | partial_ser.CurrentAllocationAddress(i::NEW_SPACE), |
| 404 | partial_ser.CurrentAllocationAddress(i::OLD_POINTER_SPACE), |
| 405 | partial_ser.CurrentAllocationAddress(i::OLD_DATA_SPACE), |
| 406 | partial_ser.CurrentAllocationAddress(i::CODE_SPACE), |
| 407 | partial_ser.CurrentAllocationAddress(i::MAP_SPACE), |
| 408 | partial_ser.CurrentAllocationAddress(i::CELL_SPACE), |
| 409 | partial_ser.CurrentAllocationAddress(i::LO_SPACE)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 410 | return 0; |
| 411 | } |