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Side by Side Diff: runtime/vm/snapshot.h

Issue 2580823003: Rename snapshot kind enum values kAppWithJIT -> kAppJIT, kAppNoJIT -> kAppAOT. (Closed)
Patch Set: Created 4 years ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef RUNTIME_VM_SNAPSHOT_H_ 5 #ifndef RUNTIME_VM_SNAPSHOT_H_
6 #define RUNTIME_VM_SNAPSHOT_H_ 6 #define RUNTIME_VM_SNAPSHOT_H_
7 7
8 #include "platform/assert.h" 8 #include "platform/assert.h"
9 #include "vm/allocation.h" 9 #include "vm/allocation.h"
10 #include "vm/bitfield.h" 10 #include "vm/bitfield.h"
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145 145
146 146
147 // Structure capturing the raw snapshot. 147 // Structure capturing the raw snapshot.
148 // 148 //
149 // TODO(turnidge): Remove this class once the snapshot does not have a 149 // TODO(turnidge): Remove this class once the snapshot does not have a
150 // header anymore. This is pending on making the embedder pass in the 150 // header anymore. This is pending on making the embedder pass in the
151 // length of their snapshot. 151 // length of their snapshot.
152 class Snapshot { 152 class Snapshot {
153 public: 153 public:
154 enum Kind { 154 enum Kind {
155 kCore = 0, // Full snapshot of core libraries. No root library, no code. 155 kCore = 0, // Full snapshot of core libraries. No root library, no code.
156 kScript, // A partial snapshot of only the application script. 156 kScript, // A partial snapshot of only the application script.
157 kMessage, // A partial snapshot used only for isolate messaging. 157 kMessage, // A partial snapshot used only for isolate messaging.
158 kAppWithJIT, // Full snapshot of core libraries and application. Has some 158 kAppJIT, // Full snapshot of core libraries and application. Has some
159 // code, but may compile in the future because we haven't 159 // code, but may compile in the future because we haven't
160 // necessarily included code for every function or to 160 // necessarily included code for every function or to
161 // (de)optimize. 161 // (de)optimize.
162 kAppNoJIT, // Full snapshot of core libraries and application. Has 162 kAppAOT, // Full snapshot of core libraries and application. Has
163 // complete code for the application that never deopts. Will 163 // complete code for the application that never deopts. Will
164 // not compile in the future. 164 // not compile in the future.
165 kNone, // dart_bootstrap/gen_snapshot 165 kNone, // dart_bootstrap/gen_snapshot
166 kInvalid 166 kInvalid
167 }; 167 };
168 static const char* KindToCString(Kind kind); 168 static const char* KindToCString(Kind kind);
169 169
170 static const int kHeaderSize = 2 * sizeof(int64_t); 170 static const int kHeaderSize = 2 * sizeof(int64_t);
171 static const int kLengthIndex = 0; 171 static const int kLengthIndex = 0;
172 static const int kSnapshotFlagIndex = 1; 172 static const int kSnapshotFlagIndex = 1;
173 173
174 static const Snapshot* SetupFromBuffer(const void* raw_memory); 174 static const Snapshot* SetupFromBuffer(const void* raw_memory);
175 175
176 // Getters. 176 // Getters.
177 const uint8_t* content() const { OPEN_ARRAY_START(uint8_t, uint8_t); } 177 const uint8_t* content() const { OPEN_ARRAY_START(uint8_t, uint8_t); }
178 intptr_t length() const { 178 intptr_t length() const {
179 return static_cast<intptr_t>(ReadUnaligned(&unaligned_length_)); 179 return static_cast<intptr_t>(ReadUnaligned(&unaligned_length_));
180 } 180 }
181 Kind kind() const { 181 Kind kind() const {
182 return static_cast<Kind>(ReadUnaligned(&unaligned_kind_)); 182 return static_cast<Kind>(ReadUnaligned(&unaligned_kind_));
183 } 183 }
184 184
185 static bool IsFull(Kind kind) { 185 static bool IsFull(Kind kind) {
186 return (kind == kCore) || (kind == kAppWithJIT) || (kind == kAppNoJIT); 186 return (kind == kCore) || (kind == kAppJIT) || (kind == kAppAOT);
187 } 187 }
188 static bool IncludesCode(Kind kind) { 188 static bool IncludesCode(Kind kind) {
189 return (kind == kAppWithJIT) || (kind == kAppNoJIT); 189 return (kind == kAppJIT) || (kind == kAppAOT);
190 } 190 }
191 191
192 uint8_t* Addr() { return reinterpret_cast<uint8_t*>(this); } 192 uint8_t* Addr() { return reinterpret_cast<uint8_t*>(this); }
193 193
194 static intptr_t length_offset() { 194 static intptr_t length_offset() {
195 return OFFSET_OF(Snapshot, unaligned_length_); 195 return OFFSET_OF(Snapshot, unaligned_length_);
196 } 196 }
197 static intptr_t kind_offset() { return OFFSET_OF(Snapshot, unaligned_kind_); } 197 static intptr_t kind_offset() { return OFFSET_OF(Snapshot, unaligned_kind_); }
198 198
199 private: 199 private:
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1016 private: 1016 private:
1017 SnapshotWriter* writer_; 1017 SnapshotWriter* writer_;
1018 bool as_references_; 1018 bool as_references_;
1019 1019
1020 DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor); 1020 DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
1021 }; 1021 };
1022 1022
1023 } // namespace dart 1023 } // namespace dart
1024 1024
1025 #endif // RUNTIME_VM_SNAPSHOT_H_ 1025 #endif // RUNTIME_VM_SNAPSHOT_H_
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