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Issue 10912146: Finish implementing lazy deoptimization (ia32, x64). Ran tests with --deoptimize-alot. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 3 months 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 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32.
6 #if defined(TARGET_ARCH_IA32) 6 #if defined(TARGET_ARCH_IA32)
7 7
8 #include "vm/assembler.h" 8 #include "vm/assembler.h"
9 #include "vm/code_patcher.h" 9 #include "vm/code_patcher.h"
10 #include "vm/cpu.h" 10 #include "vm/cpu.h"
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253 InstanceCall call(return_address); 253 InstanceCall call(return_address);
254 return call.ic_data(); 254 return call.ic_data();
255 } 255 }
256 256
257 257
258 intptr_t CodePatcher::InstanceCallSizeInBytes() { 258 intptr_t CodePatcher::InstanceCallSizeInBytes() {
259 return DartCallPattern::kNumInstructions * DartCallPattern::kInstructionSize; 259 return DartCallPattern::kNumInstructions * DartCallPattern::kInstructionSize;
260 } 260 }
261 261
262 262
263 RawArray* CodePatcher::GetTypeTestArray(uword instruction_address) { 263 void CodePatcher::InsertCallAt(uword start, uword target) {
264 Array& result = Array::Handle(); 264 *reinterpret_cast<uint8_t*>(start) = 0xE8;
265 uint32_t* target_addr = reinterpret_cast<uint32_t*>(instruction_address + 1); 265 CallPattern call(start);
266 result ^= reinterpret_cast<RawObject*>(*target_addr); 266 call.SetTargetAddress(target);
267 return result.raw();
268 }
269
270
271 void CodePatcher::SetTypeTestArray(uword instruction_address,
272 const Array& value) {
273 uint32_t* target_addr = reinterpret_cast<uint32_t*>(instruction_address + 1);
274 *target_addr = reinterpret_cast<uint32_t>(value.raw());
275 } 267 }
276 268
277 269
278 } // namespace dart 270 } // namespace dart
279 271
280 #endif // defined TARGET_ARCH_IA32 272 #endif // defined TARGET_ARCH_IA32
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