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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <errno.h> | 5 #include <errno.h> |
6 #include <signal.h> | 6 #include <signal.h> |
7 #include <stdio.h> | 7 #include <stdio.h> |
8 | 8 |
9 #include "src/v8.h" | 9 #include "src/v8.h" |
10 | 10 |
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104 exit(1); | 104 exit(1); |
105 } | 105 } |
106 return fp; | 106 return fp; |
107 } | 107 } |
108 | 108 |
109 FILE* fp_; | 109 FILE* fp_; |
110 FILE* startup_blob_file_; | 110 FILE* startup_blob_file_; |
111 }; | 111 }; |
112 | 112 |
113 | 113 |
| 114 char* GetExtraCode(char* filename) { |
| 115 if (filename == NULL || strlen(filename) == 0) return NULL; |
| 116 ::printf("Embedding extra script: %s\n", filename); |
| 117 FILE* file = base::OS::FOpen(filename, "rb"); |
| 118 if (file == NULL) { |
| 119 fprintf(stderr, "Failed to open '%s': errno %d\n", filename, errno); |
| 120 exit(1); |
| 121 } |
| 122 fseek(file, 0, SEEK_END); |
| 123 int size = ftell(file); |
| 124 rewind(file); |
| 125 char* chars = new char[size + 1]; |
| 126 chars[size] = '\0'; |
| 127 for (int i = 0; i < size;) { |
| 128 int read = static_cast<int>(fread(&chars[i], 1, size - i, file)); |
| 129 if (read < 0) { |
| 130 fprintf(stderr, "Failed to read '%s': errno %d\n", filename, errno); |
| 131 exit(1); |
| 132 } |
| 133 i += read; |
| 134 } |
| 135 fclose(file); |
| 136 return chars; |
| 137 } |
| 138 |
| 139 |
114 int main(int argc, char** argv) { | 140 int main(int argc, char** argv) { |
115 // By default, log code create information in the snapshot. | 141 // By default, log code create information in the snapshot. |
116 i::FLAG_log_code = true; | 142 i::FLAG_log_code = true; |
117 | 143 |
118 // Omit from the snapshot natives for features that can be turned off | 144 // Omit from the snapshot natives for features that can be turned off |
119 // at runtime. | 145 // at runtime. |
120 i::FLAG_harmony_shipping = false; | 146 i::FLAG_harmony_shipping = false; |
121 | 147 |
122 i::FLAG_logfile_per_isolate = false; | 148 i::FLAG_logfile_per_isolate = false; |
123 | 149 |
124 // Print the usage if an error occurs when parsing the command line | 150 // Print the usage if an error occurs when parsing the command line |
125 // flags or if the help flag is set. | 151 // flags or if the help flag is set. |
126 int result = i::FlagList::SetFlagsFromCommandLine(&argc, argv, true); | 152 int result = i::FlagList::SetFlagsFromCommandLine(&argc, argv, true); |
127 if (result > 0 || argc != 2 || i::FLAG_help) { | 153 if (result > 0 || (argc != 2 && argc != 3) || i::FLAG_help) { |
128 ::printf("Usage: %s [flag] ... outfile\n", argv[0]); | 154 ::printf("Usage: %s [flag] ... outfile\n", argv[0]); |
129 i::FlagList::PrintHelp(); | 155 i::FlagList::PrintHelp(); |
130 return !i::FLAG_help; | 156 return !i::FLAG_help; |
131 } | 157 } |
132 | 158 |
133 i::CpuFeatures::Probe(true); | 159 i::CpuFeatures::Probe(true); |
134 V8::InitializeICU(); | 160 V8::InitializeICU(); |
135 v8::Platform* platform = v8::platform::CreateDefaultPlatform(); | 161 v8::Platform* platform = v8::platform::CreateDefaultPlatform(); |
136 v8::V8::InitializePlatform(platform); | 162 v8::V8::InitializePlatform(platform); |
137 v8::V8::Initialize(); | 163 v8::V8::Initialize(); |
138 | 164 |
139 { | 165 { |
140 SnapshotWriter writer(argv[1]); | 166 SnapshotWriter writer(argv[1]); |
141 if (i::FLAG_startup_blob) writer.SetStartupBlobFile(i::FLAG_startup_blob); | 167 if (i::FLAG_startup_blob) writer.SetStartupBlobFile(i::FLAG_startup_blob); |
142 StartupData blob = v8::V8::CreateSnapshotDataBlob(); | 168 char* extra_code = GetExtraCode(argc == 3 ? argv[2] : NULL); |
| 169 StartupData blob = v8::V8::CreateSnapshotDataBlob(extra_code); |
143 CHECK(blob.data); | 170 CHECK(blob.data); |
144 writer.WriteSnapshot(blob); | 171 writer.WriteSnapshot(blob); |
| 172 delete[] extra_code; |
145 delete[] blob.data; | 173 delete[] blob.data; |
146 } | 174 } |
147 | 175 |
148 V8::Dispose(); | 176 V8::Dispose(); |
149 V8::ShutdownPlatform(); | 177 V8::ShutdownPlatform(); |
150 delete platform; | 178 delete platform; |
151 return 0; | 179 return 0; |
152 } | 180 } |
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