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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arm/lithium-codegen-arm.h" | 7 #include "src/arm/lithium-codegen-arm.h" |
8 #include "src/arm/lithium-gap-resolver-arm.h" | 8 #include "src/arm/lithium-gap-resolver-arm.h" |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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345 __ mov(entry_offset, Operand(entry - base)); | 345 __ mov(entry_offset, Operand(entry - base)); |
346 | 346 |
347 if (table_entry->needs_frame) { | 347 if (table_entry->needs_frame) { |
348 DCHECK(!info()->saves_caller_doubles()); | 348 DCHECK(!info()->saves_caller_doubles()); |
349 Comment(";;; call deopt with frame"); | 349 Comment(";;; call deopt with frame"); |
350 __ PushFixedFrame(); | 350 __ PushFixedFrame(); |
351 __ bl(&needs_frame); | 351 __ bl(&needs_frame); |
352 } else { | 352 } else { |
353 __ bl(&call_deopt_entry); | 353 __ bl(&call_deopt_entry); |
354 } | 354 } |
| 355 info()->LogDeoptCallPosition(masm()->pc_offset(), |
| 356 table_entry->deopt_info.inlining_id); |
355 masm()->CheckConstPool(false, false); | 357 masm()->CheckConstPool(false, false); |
356 } | 358 } |
357 | 359 |
358 if (needs_frame.is_linked()) { | 360 if (needs_frame.is_linked()) { |
359 __ bind(&needs_frame); | 361 __ bind(&needs_frame); |
360 // This variant of deopt can only be used with stubs. Since we don't | 362 // This variant of deopt can only be used with stubs. Since we don't |
361 // have a function pointer to install in the stack frame that we're | 363 // have a function pointer to install in the stack frame that we're |
362 // building, install a special marker there instead. | 364 // building, install a special marker there instead. |
363 DCHECK(info()->IsStub()); | 365 DCHECK(info()->IsStub()); |
364 __ mov(ip, Operand(Smi::FromInt(StackFrame::STUB))); | 366 __ mov(ip, Operand(Smi::FromInt(StackFrame::STUB))); |
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880 | 882 |
881 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); | 883 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); |
882 | 884 |
883 DCHECK(info()->IsStub() || frame_is_built_); | 885 DCHECK(info()->IsStub() || frame_is_built_); |
884 // Go through jump table if we need to handle condition, build frame, or | 886 // Go through jump table if we need to handle condition, build frame, or |
885 // restore caller doubles. | 887 // restore caller doubles. |
886 if (condition == al && frame_is_built_ && | 888 if (condition == al && frame_is_built_ && |
887 !info()->saves_caller_doubles()) { | 889 !info()->saves_caller_doubles()) { |
888 DeoptComment(deopt_info); | 890 DeoptComment(deopt_info); |
889 __ Call(entry, RelocInfo::RUNTIME_ENTRY); | 891 __ Call(entry, RelocInfo::RUNTIME_ENTRY); |
| 892 info()->LogDeoptCallPosition(masm()->pc_offset(), deopt_info.inlining_id); |
890 } else { | 893 } else { |
891 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, | 894 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, |
892 !frame_is_built_); | 895 !frame_is_built_); |
893 // We often have several deopts to the same entry, reuse the last | 896 // We often have several deopts to the same entry, reuse the last |
894 // jump entry if this is the case. | 897 // jump entry if this is the case. |
895 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || | 898 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || |
896 jump_table_.is_empty() || | 899 jump_table_.is_empty() || |
897 !table_entry.IsEquivalentTo(jump_table_.last())) { | 900 !table_entry.IsEquivalentTo(jump_table_.last())) { |
898 jump_table_.Add(table_entry, zone()); | 901 jump_table_.Add(table_entry, zone()); |
899 } | 902 } |
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5970 __ Push(scope_info); | 5973 __ Push(scope_info); |
5971 __ push(ToRegister(instr->function())); | 5974 __ push(ToRegister(instr->function())); |
5972 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5975 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5973 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5976 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5974 } | 5977 } |
5975 | 5978 |
5976 | 5979 |
5977 #undef __ | 5980 #undef __ |
5978 | 5981 |
5979 } } // namespace v8::internal | 5982 } } // namespace v8::internal |
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