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

Issue 2521413002: Revert "Implement rewind: drop one or more frames from the debugger." (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_RAW_OBJECT_H_ 5 #ifndef RUNTIME_VM_RAW_OBJECT_H_
6 #define RUNTIME_VM_RAW_OBJECT_H_ 6 #define RUNTIME_VM_RAW_OBJECT_H_
7 7
8 #include "platform/assert.h" 8 #include "platform/assert.h"
9 #include "vm/atomic.h" 9 #include "vm/atomic.h"
10 #include "vm/globals.h" 10 #include "vm/globals.h"
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1190 1190
1191 1191
1192 class RawPcDescriptors : public RawObject { 1192 class RawPcDescriptors : public RawObject {
1193 public: 1193 public:
1194 enum Kind { 1194 enum Kind {
1195 kDeopt = 1, // Deoptimization continuation point. 1195 kDeopt = 1, // Deoptimization continuation point.
1196 kIcCall = kDeopt << 1, // IC call. 1196 kIcCall = kDeopt << 1, // IC call.
1197 kUnoptStaticCall = kIcCall << 1, // Call to a known target via stub. 1197 kUnoptStaticCall = kIcCall << 1, // Call to a known target via stub.
1198 kRuntimeCall = kUnoptStaticCall << 1, // Runtime call. 1198 kRuntimeCall = kUnoptStaticCall << 1, // Runtime call.
1199 kOsrEntry = kRuntimeCall << 1, // OSR entry point in unopt. code. 1199 kOsrEntry = kRuntimeCall << 1, // OSR entry point in unopt. code.
1200 kRewind = kOsrEntry << 1, // Call rewind target address. 1200 kOther = kOsrEntry << 1,
1201 kOther = kRewind << 1,
1202 kLastKind = kOther, 1201 kLastKind = kOther,
1203 kAnyKind = -1 1202 kAnyKind = -1
1204 }; 1203 };
1205 1204
1206 class MergedKindTry { 1205 class MergedKindTry {
1207 public: 1206 public:
1208 // Most of the time try_index will be small and merged field will fit into 1207 // Most of the time try_index will be small and merged field will fit into
1209 // one byte. 1208 // one byte.
1210 static intptr_t Encode(intptr_t kind, intptr_t try_index) { 1209 static intptr_t Encode(intptr_t kind, intptr_t try_index) {
1211 intptr_t kind_shift = Utils::ShiftForPowerOfTwo(kind); 1210 intptr_t kind_shift = Utils::ShiftForPowerOfTwo(kind);
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2395 COMPILE_ASSERT(kExternalTypedDataInt8ArrayCid == 2394 COMPILE_ASSERT(kExternalTypedDataInt8ArrayCid ==
2396 kTypedDataInt8ArrayViewCid + 15); 2395 kTypedDataInt8ArrayViewCid + 15);
2397 COMPILE_ASSERT(kByteBufferCid == kExternalTypedDataInt8ArrayCid + 14); 2396 COMPILE_ASSERT(kByteBufferCid == kExternalTypedDataInt8ArrayCid + 14);
2398 COMPILE_ASSERT(kNullCid == kByteBufferCid + 1); 2397 COMPILE_ASSERT(kNullCid == kByteBufferCid + 1);
2399 return (kNullCid - kTypedDataInt8ArrayCid); 2398 return (kNullCid - kTypedDataInt8ArrayCid);
2400 } 2399 }
2401 2400
2402 } // namespace dart 2401 } // namespace dart
2403 2402
2404 #endif // RUNTIME_VM_RAW_OBJECT_H_ 2403 #endif // RUNTIME_VM_RAW_OBJECT_H_
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