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Issue 781443002: Encode reservation meta data in the snapshot blob. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@snapshotformat
Patch Set: rebased Created 6 years ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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 "src/natives.h" 5 #include "src/natives.h"
6 6
7 #include "src/base/logging.h" 7 #include "src/base/logging.h"
8 #include "src/list.h" 8 #include "src/list.h"
9 #include "src/list-inl.h" 9 #include "src/list-inl.h"
10 #include "src/snapshot-source-sink.h" 10 #include "src/snapshot-source-sink.h"
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140 140
141 /** 141 /**
142 * Read the Natives (library sources) blob, as generated by js2c + the build 142 * Read the Natives (library sources) blob, as generated by js2c + the build
143 * system. 143 * system.
144 */ 144 */
145 void SetNativesFromFile(StartupData* natives_blob) { 145 void SetNativesFromFile(StartupData* natives_blob) {
146 DCHECK(natives_blob); 146 DCHECK(natives_blob);
147 DCHECK(natives_blob->data); 147 DCHECK(natives_blob->data);
148 DCHECK(natives_blob->raw_size > 0); 148 DCHECK(natives_blob->raw_size > 0);
149 149
150 SnapshotByteSource bytes( 150 SnapshotByteSource bytes(reinterpret_cast<const byte*>(natives_blob->data),
151 reinterpret_cast<const byte*>(natives_blob->data), 151 natives_blob->raw_size);
152 natives_blob->raw_size);
153 NativesHolder<CORE>::set(NativesStore::MakeFromScriptsSource(&bytes)); 152 NativesHolder<CORE>::set(NativesStore::MakeFromScriptsSource(&bytes));
154 NativesHolder<EXPERIMENTAL>::set(NativesStore::MakeFromScriptsSource(&bytes)); 153 NativesHolder<EXPERIMENTAL>::set(NativesStore::MakeFromScriptsSource(&bytes));
155 DCHECK(!bytes.HasMore()); 154 DCHECK(!bytes.HasMore());
156 } 155 }
157 156
158 157
159 // Implement NativesCollection<T> bsaed on NativesHolder + NativesStore. 158 // Implement NativesCollection<T> bsaed on NativesHolder + NativesStore.
160 // 159 //
161 // (The callers expect a purely static interface, since this is how the 160 // (The callers expect a purely static interface, since this is how the
162 // natives are usually compiled in. Since we implement them based on 161 // natives are usually compiled in. Since we implement them based on
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204 } 203 }
205 204
206 205
207 // The compiler can't 'see' all uses of the static methods and hence 206 // The compiler can't 'see' all uses of the static methods and hence
208 // my chose to elide them. This we'll explicitly instantiate these. 207 // my chose to elide them. This we'll explicitly instantiate these.
209 template class NativesCollection<CORE>; 208 template class NativesCollection<CORE>;
210 template class NativesCollection<EXPERIMENTAL>; 209 template class NativesCollection<EXPERIMENTAL>;
211 210
212 } // namespace v8::internal 211 } // namespace v8::internal
213 } // namespace v8 212 } // namespace v8
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