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Issue 10827288: - Support for patching of class methods and fields. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 4 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_X64. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64.
6 #if defined(TARGET_ARCH_X64) 6 #if defined(TARGET_ARCH_X64)
7 7
8 #include "vm/intermediate_language.h" 8 #include "vm/intermediate_language.h"
9 9
10 #include "lib/error.h" 10 #include "lib/error.h"
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352 ObjectStore* object_store = Isolate::Current()->object_store(); 352 ObjectStore* object_store = Isolate::Current()->object_store();
353 Condition cond = TokenKindToSmiCondition(kind); 353 Condition cond = TokenKindToSmiCondition(kind);
354 Label done; 354 Label done;
355 for (intptr_t i = 0; i < ic_data.NumberOfChecks(); i++) { 355 for (intptr_t i = 0; i < ic_data.NumberOfChecks(); i++) {
356 // Assert that the Smi is at position 0, if at all. 356 // Assert that the Smi is at position 0, if at all.
357 ASSERT((ic_data.GetReceiverClassIdAt(i) != kSmiCid) || (i == 0)); 357 ASSERT((ic_data.GetReceiverClassIdAt(i) != kSmiCid) || (i == 0));
358 Label next_test; 358 Label next_test;
359 __ cmpq(temp, Immediate(ic_data.GetReceiverClassIdAt(i))); 359 __ cmpq(temp, Immediate(ic_data.GetReceiverClassIdAt(i)));
360 __ j(NOT_EQUAL, &next_test); 360 __ j(NOT_EQUAL, &next_test);
361 const Function& target = Function::ZoneHandle(ic_data.GetTargetAt(i)); 361 const Function& target = Function::ZoneHandle(ic_data.GetTargetAt(i));
362 if (target.owner() == object_store->object_class()) { 362 if (target.Owner() == object_store->object_class()) {
363 // Object.== is same as ===. 363 // Object.== is same as ===.
364 __ Drop(2); 364 __ Drop(2);
365 __ cmpq(left, right); 365 __ cmpq(left, right);
366 if (branch != NULL) { 366 if (branch != NULL) {
367 branch->EmitBranchOnCondition(compiler, cond); 367 branch->EmitBranchOnCondition(compiler, cond);
368 } else { 368 } else {
369 // This case should be rare. 369 // This case should be rare.
370 Register result = locs.out().reg(); 370 Register result = locs.out().reg();
371 Label load_true; 371 Label load_true;
372 __ j(cond, &load_true, Assembler::kNearJump); 372 __ j(cond, &load_true, Assembler::kNearJump);
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1103 new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall); 1103 new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
1104 locs->set_in(0, Location::RegisterLocation(RAX)); 1104 locs->set_in(0, Location::RegisterLocation(RAX));
1105 locs->set_in(1, Location::RegisterLocation(RCX)); 1105 locs->set_in(1, Location::RegisterLocation(RCX));
1106 locs->set_out(Location::RegisterLocation(RAX)); 1106 locs->set_out(Location::RegisterLocation(RAX));
1107 return locs; 1107 return locs;
1108 } 1108 }
1109 1109
1110 1110
1111 void AllocateObjectWithBoundsCheckComp::EmitNativeCode( 1111 void AllocateObjectWithBoundsCheckComp::EmitNativeCode(
1112 FlowGraphCompiler* compiler) { 1112 FlowGraphCompiler* compiler) {
1113 const Class& cls = Class::ZoneHandle(constructor().owner()); 1113 const Class& cls = Class::ZoneHandle(constructor().Owner());
1114 Register type_arguments = locs()->in(0).reg(); 1114 Register type_arguments = locs()->in(0).reg();
1115 Register instantiator_type_arguments = locs()->in(1).reg(); 1115 Register instantiator_type_arguments = locs()->in(1).reg();
1116 Register result = locs()->out().reg(); 1116 Register result = locs()->out().reg();
1117 1117
1118 // Push the result place holder initialized to NULL. 1118 // Push the result place holder initialized to NULL.
1119 __ PushObject(Object::ZoneHandle()); 1119 __ PushObject(Object::ZoneHandle());
1120 __ PushObject(cls); 1120 __ PushObject(cls);
1121 __ pushq(type_arguments); 1121 __ pushq(type_arguments);
1122 __ pushq(instantiator_type_arguments); 1122 __ pushq(instantiator_type_arguments);
1123 compiler->GenerateCallRuntime(deopt_id(), 1123 compiler->GenerateCallRuntime(deopt_id(),
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2180 kNumArgsChecked); 2180 kNumArgsChecked);
2181 __ CompareObject(RAX, compiler->bool_true()); 2181 __ CompareObject(RAX, compiler->bool_true());
2182 EmitBranchOnCondition(compiler, branch_condition); 2182 EmitBranchOnCondition(compiler, branch_condition);
2183 } 2183 }
2184 2184
2185 } // namespace dart 2185 } // namespace dart
2186 2186
2187 #undef __ 2187 #undef __
2188 2188
2189 #endif // defined TARGET_ARCH_X64 2189 #endif // defined TARGET_ARCH_X64
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