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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_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/flow_graph_compiler.h" | 8 #include "vm/flow_graph_compiler.h" |
9 | 9 |
10 #include "vm/ast_printer.h" | 10 #include "vm/ast_printer.h" |
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88 Environment* current = deopt_env_; | 88 Environment* current = deopt_env_; |
89 | 89 |
90 // Emit all kMaterializeObject instructions describing objects to be | 90 // Emit all kMaterializeObject instructions describing objects to be |
91 // materialized on the deoptimization as a prefix to the deoptimization info. | 91 // materialized on the deoptimization as a prefix to the deoptimization info. |
92 EmitMaterializations(deopt_env_, builder); | 92 EmitMaterializations(deopt_env_, builder); |
93 | 93 |
94 // The real frame starts here. | 94 // The real frame starts here. |
95 builder->MarkFrameStart(); | 95 builder->MarkFrameStart(); |
96 | 96 |
97 // Current PP, FP, and PC. | 97 // Current PP, FP, and PC. |
98 builder->AddPp(current->code(), slot_ix++); | 98 builder->AddPp(Function::Handle(current->code().function()), slot_ix++); |
99 builder->AddPcMarker(Code::Handle(), slot_ix++); | 99 builder->AddPcMarker(Function::Handle(), slot_ix++); |
100 builder->AddCallerFp(slot_ix++); | 100 builder->AddCallerFp(slot_ix++); |
101 builder->AddReturnAddress(current->code(), deopt_id(), slot_ix++); | 101 builder->AddReturnAddress(Function::Handle(current->code().function()), |
| 102 deopt_id(), |
| 103 slot_ix++); |
102 | 104 |
103 // Emit all values that are needed for materialization as a part of the | 105 // Emit all values that are needed for materialization as a part of the |
104 // expression stack for the bottom-most frame. This guarantees that GC | 106 // expression stack for the bottom-most frame. This guarantees that GC |
105 // will be able to find them during materialization. | 107 // will be able to find them during materialization. |
106 slot_ix = builder->EmitMaterializationArguments(slot_ix); | 108 slot_ix = builder->EmitMaterializationArguments(slot_ix); |
107 | 109 |
108 // For the innermost environment, set outgoing arguments and the locals. | 110 // For the innermost environment, set outgoing arguments and the locals. |
109 for (intptr_t i = current->Length() - 1; | 111 for (intptr_t i = current->Length() - 1; |
110 i >= current->fixed_parameter_count(); | 112 i >= current->fixed_parameter_count(); |
111 i--) { | 113 i--) { |
112 builder->AddCopy(current->ValueAt(i), current->LocationAt(i), slot_ix++); | 114 builder->AddCopy(current->ValueAt(i), current->LocationAt(i), slot_ix++); |
113 } | 115 } |
114 | 116 |
115 Environment* previous = current; | 117 Environment* previous = current; |
116 current = current->outer(); | 118 current = current->outer(); |
117 while (current != NULL) { | 119 while (current != NULL) { |
118 // PP, FP, and PC. | 120 // PP, FP, and PC. |
119 builder->AddPp(current->code(), slot_ix++); | 121 builder->AddPp(Function::Handle(current->code().function()), slot_ix++); |
120 builder->AddPcMarker(previous->code(), slot_ix++); | 122 builder->AddPcMarker(Function::Handle(previous->code().function()), |
| 123 slot_ix++); |
121 builder->AddCallerFp(slot_ix++); | 124 builder->AddCallerFp(slot_ix++); |
122 | 125 |
123 // For any outer environment the deopt id is that of the call instruction | 126 // For any outer environment the deopt id is that of the call instruction |
124 // which is recorded in the outer environment. | 127 // which is recorded in the outer environment. |
125 builder->AddReturnAddress(current->code(), | 128 builder->AddReturnAddress(Function::Handle(current->code().function()), |
126 Isolate::ToDeoptAfter(current->deopt_id()), | 129 Isolate::ToDeoptAfter(current->deopt_id()), |
127 slot_ix++); | 130 slot_ix++); |
128 | 131 |
129 // The values of outgoing arguments can be changed from the inlined call so | 132 // The values of outgoing arguments can be changed from the inlined call so |
130 // we must read them from the previous environment. | 133 // we must read them from the previous environment. |
131 for (intptr_t i = previous->fixed_parameter_count() - 1; i >= 0; i--) { | 134 for (intptr_t i = previous->fixed_parameter_count() - 1; i >= 0; i--) { |
132 builder->AddCopy(previous->ValueAt(i), | 135 builder->AddCopy(previous->ValueAt(i), |
133 previous->LocationAt(i), | 136 previous->LocationAt(i), |
134 slot_ix++); | 137 slot_ix++); |
135 } | 138 } |
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146 // Iterate on the outer environment. | 149 // Iterate on the outer environment. |
147 previous = current; | 150 previous = current; |
148 current = current->outer(); | 151 current = current->outer(); |
149 } | 152 } |
150 // The previous pointer is now the outermost environment. | 153 // The previous pointer is now the outermost environment. |
151 ASSERT(previous != NULL); | 154 ASSERT(previous != NULL); |
152 | 155 |
153 // For the outermost environment, set caller PC, caller PP, and caller FP. | 156 // For the outermost environment, set caller PC, caller PP, and caller FP. |
154 builder->AddCallerPp(slot_ix++); | 157 builder->AddCallerPp(slot_ix++); |
155 // PC marker. | 158 // PC marker. |
156 builder->AddPcMarker(previous->code(), slot_ix++); | 159 builder->AddPcMarker(Function::Handle(previous->code().function()), |
| 160 slot_ix++); |
157 builder->AddCallerFp(slot_ix++); | 161 builder->AddCallerFp(slot_ix++); |
158 builder->AddCallerPc(slot_ix++); | 162 builder->AddCallerPc(slot_ix++); |
159 | 163 |
160 // For the outermost environment, set the incoming arguments. | 164 // For the outermost environment, set the incoming arguments. |
161 for (intptr_t i = previous->fixed_parameter_count() - 1; i >= 0; i--) { | 165 for (intptr_t i = previous->fixed_parameter_count() - 1; i >= 0; i--) { |
162 builder->AddCopy(previous->ValueAt(i), previous->LocationAt(i), slot_ix++); | 166 builder->AddCopy(previous->ValueAt(i), previous->LocationAt(i), slot_ix++); |
163 } | 167 } |
164 | 168 |
165 return builder->CreateDeoptInfo(deopt_table); | 169 return builder->CreateDeoptInfo(deopt_table); |
166 } | 170 } |
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1774 __ movups(reg, Address(RSP, 0)); | 1778 __ movups(reg, Address(RSP, 0)); |
1775 __ AddImmediate(RSP, Immediate(kFpuRegisterSize), PP); | 1779 __ AddImmediate(RSP, Immediate(kFpuRegisterSize), PP); |
1776 } | 1780 } |
1777 | 1781 |
1778 | 1782 |
1779 #undef __ | 1783 #undef __ |
1780 | 1784 |
1781 } // namespace dart | 1785 } // namespace dart |
1782 | 1786 |
1783 #endif // defined TARGET_ARCH_X64 | 1787 #endif // defined TARGET_ARCH_X64 |
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