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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/ast/scopes.h" | 5 #include "src/ast/scopes.h" |
| 6 #include "src/compiler/code-generator.h" | 6 #include "src/compiler/code-generator.h" |
| 7 #include "src/compiler/code-generator-impl.h" | 7 #include "src/compiler/code-generator-impl.h" |
| 8 #include "src/compiler/gap-resolver.h" | 8 #include "src/compiler/gap-resolver.h" |
| 9 #include "src/compiler/node-matchers.h" | 9 #include "src/compiler/node-matchers.h" |
| 10 #include "src/compiler/osr.h" | 10 #include "src/compiler/osr.h" |
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| 1518 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { | 1518 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
| 1519 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( | 1519 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
| 1520 isolate(), deoptimization_id, bailout_type); | 1520 isolate(), deoptimization_id, bailout_type); |
| 1521 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 1521 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1522 } | 1522 } |
| 1523 | 1523 |
| 1524 | 1524 |
| 1525 void CodeGenerator::AssemblePrologue() { | 1525 void CodeGenerator::AssemblePrologue() { |
| 1526 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1526 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 1527 int stack_shrink_slots = frame()->GetSpillSlotCount(); | 1527 int stack_shrink_slots = frame()->GetSpillSlotCount(); |
| 1528 if (descriptor->IsCFunctionCall()) { | 1528 if (frame()->needs_frame()) { |
| 1529 __ Push(ra, fp); | 1529 if (descriptor->IsCFunctionCall()) { |
| 1530 __ mov(fp, sp); | 1530 __ Push(ra, fp); |
| 1531 } else if (descriptor->IsJSFunctionCall()) { | 1531 __ mov(fp, sp); |
| 1532 __ Prologue(this->info()->GeneratePreagedPrologue()); | 1532 } else if (descriptor->IsJSFunctionCall()) { |
| 1533 } else if (frame()->needs_frame()) { | 1533 __ Prologue(this->info()->GeneratePreagedPrologue()); |
| 1534 __ StubPrologue(); | 1534 } else { |
| 1535 __ StubPrologue(info()->GetOutputStackFrameType()); |
| 1536 } |
| 1535 } else { | 1537 } else { |
| 1536 frame()->SetElidedFrameSizeInSlots(0); | 1538 frame()->SetElidedFrameSizeInSlots(0); |
| 1537 } | 1539 } |
| 1538 frame_access_state()->SetFrameAccessToDefault(); | 1540 frame_access_state()->SetFrameAccessToDefault(); |
| 1539 | 1541 |
| 1540 if (info()->is_osr()) { | 1542 if (info()->is_osr()) { |
| 1541 // TurboFan OSR-compiled functions cannot be entered directly. | 1543 // TurboFan OSR-compiled functions cannot be entered directly. |
| 1542 __ Abort(kShouldNotDirectlyEnterOsrFunction); | 1544 __ Abort(kShouldNotDirectlyEnterOsrFunction); |
| 1543 | 1545 |
| 1544 // Unoptimized code jumps directly to this entrypoint while the unoptimized | 1546 // Unoptimized code jumps directly to this entrypoint while the unoptimized |
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| 1824 padding_size -= v8::internal::Assembler::kInstrSize; | 1826 padding_size -= v8::internal::Assembler::kInstrSize; |
| 1825 } | 1827 } |
| 1826 } | 1828 } |
| 1827 } | 1829 } |
| 1828 | 1830 |
| 1829 #undef __ | 1831 #undef __ |
| 1830 | 1832 |
| 1831 } // namespace compiler | 1833 } // namespace compiler |
| 1832 } // namespace internal | 1834 } // namespace internal |
| 1833 } // namespace v8 | 1835 } // namespace v8 |
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