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| 1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 165 // Visit all the explicit declarations unless there is an illegal | 165 // Visit all the explicit declarations unless there is an illegal |
| 166 // redeclaration. | 166 // redeclaration. |
| 167 if (scope()->HasIllegalRedeclaration()) { | 167 if (scope()->HasIllegalRedeclaration()) { |
| 168 scope()->VisitIllegalRedeclaration(this); | 168 scope()->VisitIllegalRedeclaration(this); |
| 169 } else { | 169 } else { |
| 170 VisitDeclarations(scope()->declarations()); | 170 VisitDeclarations(scope()->declarations()); |
| 171 } | 171 } |
| 172 } | 172 } |
| 173 | 173 |
| 174 // Check the stack for overflow or break request. | 174 // Check the stack for overflow or break request. |
| 175 // Put the lr setup instruction in the delay slot. The kInstrSize is | |
| 176 // added to the implicit 8 byte offset that always applies to operations | |
| 177 // with pc and gives a return address 12 bytes down. | |
| 178 { Comment cmnt(masm_, "[ Stack check"); | 175 { Comment cmnt(masm_, "[ Stack check"); |
| 179 __ LoadRoot(r2, Heap::kStackLimitRootIndex); | 176 __ LoadRoot(r2, Heap::kStackLimitRootIndex); |
| 180 __ add(lr, pc, Operand(Assembler::kInstrSize)); | |
| 181 __ cmp(sp, Operand(r2)); | 177 __ cmp(sp, Operand(r2)); |
| 182 StackCheckStub stub; | 178 StackCheckStub stub; |
| 183 __ mov(pc, | 179 __ mov(ip, |
| 184 Operand(reinterpret_cast<intptr_t>(stub.GetCode().location()), | 180 Operand(reinterpret_cast<intptr_t>(stub.GetCode().location()), |
| 185 RelocInfo::CODE_TARGET), | 181 RelocInfo::CODE_TARGET), |
| 186 LeaveCC, | 182 LeaveCC, |
| 187 lo); | 183 lo); |
| 184 __ Call(ip, lo); |
| 188 } | 185 } |
| 189 | 186 |
| 190 if (FLAG_trace) { | 187 if (FLAG_trace) { |
| 191 __ CallRuntime(Runtime::kTraceEnter, 0); | 188 __ CallRuntime(Runtime::kTraceEnter, 0); |
| 192 } | 189 } |
| 193 | 190 |
| 194 { Comment cmnt(masm_, "[ Body"); | 191 { Comment cmnt(masm_, "[ Body"); |
| 195 ASSERT(loop_depth() == 0); | 192 ASSERT(loop_depth() == 0); |
| 196 VisitStatements(function()->body()); | 193 VisitStatements(function()->body()); |
| 197 ASSERT(loop_depth() == 0); | 194 ASSERT(loop_depth() == 0); |
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| 3421 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. | 3418 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. |
| 3422 __ add(pc, r1, Operand(masm_->CodeObject())); | 3419 __ add(pc, r1, Operand(masm_->CodeObject())); |
| 3423 } | 3420 } |
| 3424 | 3421 |
| 3425 | 3422 |
| 3426 #undef __ | 3423 #undef __ |
| 3427 | 3424 |
| 3428 } } // namespace v8::internal | 3425 } } // namespace v8::internal |
| 3429 | 3426 |
| 3430 #endif // V8_TARGET_ARCH_ARM | 3427 #endif // V8_TARGET_ARCH_ARM |
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