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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/base/bits.h" | 5 #include "src/base/bits.h" |
| 6 #include "src/code-factory.h" | 6 #include "src/code-factory.h" |
| 7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
| 8 #include "src/cpu-profiler.h" | 8 #include "src/cpu-profiler.h" |
| 9 #include "src/hydrogen-osr.h" | 9 #include "src/hydrogen-osr.h" |
| 10 #include "src/ic/ic.h" | 10 #include "src/ic/ic.h" |
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| 98 | 98 |
| 99 | 99 |
| 100 bool LCodeGen::GeneratePrologue() { | 100 bool LCodeGen::GeneratePrologue() { |
| 101 DCHECK(is_generating()); | 101 DCHECK(is_generating()); |
| 102 | 102 |
| 103 if (info()->IsOptimizing()) { | 103 if (info()->IsOptimizing()) { |
| 104 ProfileEntryHookStub::MaybeCallEntryHook(masm_); | 104 ProfileEntryHookStub::MaybeCallEntryHook(masm_); |
| 105 | 105 |
| 106 #ifdef DEBUG | 106 #ifdef DEBUG |
| 107 if (strlen(FLAG_stop_at) > 0 && | 107 if (strlen(FLAG_stop_at) > 0 && |
| 108 info_->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { | 108 info_->literal()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { |
| 109 __ stop("stop_at"); | 109 __ stop("stop_at"); |
| 110 } | 110 } |
| 111 #endif | 111 #endif |
| 112 | 112 |
| 113 // r4: Callee's JS function. | 113 // r4: Callee's JS function. |
| 114 // cp: Callee's context. | 114 // cp: Callee's context. |
| 115 // pp: Callee's constant pool pointer (if enabled) | 115 // pp: Callee's constant pool pointer (if enabled) |
| 116 // fp: Caller's frame pointer. | 116 // fp: Caller's frame pointer. |
| 117 // lr: Caller's pc. | 117 // lr: Caller's pc. |
| 118 // ip: Our own function entry (required by the prologue) | 118 // ip: Our own function entry (required by the prologue) |
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| 6324 __ Push(scope_info); | 6324 __ Push(scope_info); |
| 6325 __ push(ToRegister(instr->function())); | 6325 __ push(ToRegister(instr->function())); |
| 6326 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6326 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
| 6327 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6327 RecordSafepoint(Safepoint::kNoLazyDeopt); |
| 6328 } | 6328 } |
| 6329 | 6329 |
| 6330 | 6330 |
| 6331 #undef __ | 6331 #undef __ |
| 6332 } // namespace internal | 6332 } // namespace internal |
| 6333 } // namespace v8 | 6333 } // namespace v8 |
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