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Issue 2743903002: Revert "Do not rely on code patching on DBC for lazy deoptimization." (Closed)
Patch Set: Created 3 years, 9 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, 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_ARM. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM.
6 #if defined(TARGET_ARCH_ARM) 6 #if defined(TARGET_ARCH_ARM)
7 7
8 #include "vm/code_patcher.h" 8 #include "vm/code_patcher.h"
9 9
10 #include "vm/flow_graph_compiler.h" 10 #include "vm/flow_graph_compiler.h"
(...skipping 12 matching lines...) Expand all
23 23
24 void CodePatcher::PatchStaticCallAt(uword return_address, 24 void CodePatcher::PatchStaticCallAt(uword return_address,
25 const Code& code, 25 const Code& code,
26 const Code& new_target) { 26 const Code& new_target) {
27 ASSERT(code.ContainsInstructionAt(return_address)); 27 ASSERT(code.ContainsInstructionAt(return_address));
28 CallPattern call(return_address, code); 28 CallPattern call(return_address, code);
29 call.SetTargetCode(new_target); 29 call.SetTargetCode(new_target);
30 } 30 }
31 31
32 32
33 void CodePatcher::InsertDeoptimizationCallAt(uword start) {
34 UNREACHABLE();
35 }
36
37
33 RawCode* CodePatcher::GetInstanceCallAt(uword return_address, 38 RawCode* CodePatcher::GetInstanceCallAt(uword return_address,
34 const Code& code, 39 const Code& code,
35 ICData* ic_data) { 40 ICData* ic_data) {
36 ASSERT(code.ContainsInstructionAt(return_address)); 41 ASSERT(code.ContainsInstructionAt(return_address));
37 CallPattern call(return_address, code); 42 CallPattern call(return_address, code);
38 if (ic_data != NULL) { 43 if (ic_data != NULL) {
39 *ic_data = call.IcData(); 44 *ic_data = call.IcData();
40 } 45 }
41 return call.TargetCode(); 46 return call.TargetCode();
42 } 47 }
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106 NativeFunction* target) { 111 NativeFunction* target) {
107 ASSERT(code.ContainsInstructionAt(return_address)); 112 ASSERT(code.ContainsInstructionAt(return_address));
108 NativeCallPattern call(return_address, code); 113 NativeCallPattern call(return_address, code);
109 *target = call.native_function(); 114 *target = call.native_function();
110 return call.target(); 115 return call.target();
111 } 116 }
112 117
113 } // namespace dart 118 } // namespace dart
114 119
115 #endif // defined TARGET_ARCH_ARM 120 #endif // defined TARGET_ARCH_ARM
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