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Issue 1012633002: CpuProfiler: Push inlining data forward to cpu profiler. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebaselined Created 5 years, 9 months ago
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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 #if V8_TARGET_ARCH_X87 7 #if V8_TARGET_ARCH_X87
8 8
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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395 // have a function pointer to install in the stack frame that we're 395 // have a function pointer to install in the stack frame that we're
396 // building, install a special marker there instead. 396 // building, install a special marker there instead.
397 DCHECK(info()->IsStub()); 397 DCHECK(info()->IsStub());
398 __ push(Immediate(Smi::FromInt(StackFrame::STUB))); 398 __ push(Immediate(Smi::FromInt(StackFrame::STUB)));
399 // Push a PC inside the function so that the deopt code can find where 399 // Push a PC inside the function so that the deopt code can find where
400 // the deopt comes from. It doesn't have to be the precise return 400 // the deopt comes from. It doesn't have to be the precise return
401 // address of a "calling" LAZY deopt, it only has to be somewhere 401 // address of a "calling" LAZY deopt, it only has to be somewhere
402 // inside the code body. 402 // inside the code body.
403 Label push_approx_pc; 403 Label push_approx_pc;
404 __ call(&push_approx_pc); 404 __ call(&push_approx_pc);
405 info()->LogDeoptCallPosition(masm()->pc_offset(),
406 table_entry->deopt_info.inlining_id);
405 __ bind(&push_approx_pc); 407 __ bind(&push_approx_pc);
406 // Push the continuation which was stashed were the ebp should 408 // Push the continuation which was stashed were the ebp should
407 // be. Replace it with the saved ebp. 409 // be. Replace it with the saved ebp.
408 __ push(MemOperand(esp, 3 * kPointerSize)); 410 __ push(MemOperand(esp, 3 * kPointerSize));
409 __ mov(MemOperand(esp, 4 * kPointerSize), ebp); 411 __ mov(MemOperand(esp, 4 * kPointerSize), ebp);
410 __ lea(ebp, MemOperand(esp, 4 * kPointerSize)); 412 __ lea(ebp, MemOperand(esp, 4 * kPointerSize));
411 __ ret(0); // Call the continuation without clobbering registers. 413 __ ret(0); // Call the continuation without clobbering registers.
412 } 414 }
413 } else { 415 } else {
414 __ call(entry, RelocInfo::RUNTIME_ENTRY); 416 __ call(entry, RelocInfo::RUNTIME_ENTRY);
417 info()->LogDeoptCallPosition(masm()->pc_offset(),
418 table_entry->deopt_info.inlining_id);
415 } 419 }
416 } 420 }
417 return !is_aborted(); 421 return !is_aborted();
418 } 422 }
419 423
420 424
421 bool LCodeGen::GenerateDeferredCode() { 425 bool LCodeGen::GenerateDeferredCode() {
422 DCHECK(is_generating()); 426 DCHECK(is_generating());
423 if (deferred_.length() > 0) { 427 if (deferred_.length() > 0) {
424 for (int i = 0; !is_aborted() && i < deferred_.length(); i++) { 428 for (int i = 0; !is_aborted() && i < deferred_.length(); i++) {
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1143 __ int3(); 1147 __ int3();
1144 __ bind(&done); 1148 __ bind(&done);
1145 } 1149 }
1146 1150
1147 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason); 1151 Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason);
1148 1152
1149 DCHECK(info()->IsStub() || frame_is_built_); 1153 DCHECK(info()->IsStub() || frame_is_built_);
1150 if (cc == no_condition && frame_is_built_) { 1154 if (cc == no_condition && frame_is_built_) {
1151 DeoptComment(deopt_info); 1155 DeoptComment(deopt_info);
1152 __ call(entry, RelocInfo::RUNTIME_ENTRY); 1156 __ call(entry, RelocInfo::RUNTIME_ENTRY);
1157 info()->LogDeoptCallPosition(masm()->pc_offset(), deopt_info.inlining_id);
1153 } else { 1158 } else {
1154 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, 1159 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type,
1155 !frame_is_built_); 1160 !frame_is_built_);
1156 // We often have several deopts to the same entry, reuse the last 1161 // We often have several deopts to the same entry, reuse the last
1157 // jump entry if this is the case. 1162 // jump entry if this is the case.
1158 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() || 1163 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() ||
1159 jump_table_.is_empty() || 1164 jump_table_.is_empty() ||
1160 !table_entry.IsEquivalentTo(jump_table_.last())) { 1165 !table_entry.IsEquivalentTo(jump_table_.last())) {
1161 jump_table_.Add(table_entry, zone()); 1166 jump_table_.Add(table_entry, zone());
1162 } 1167 }
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6387 CallRuntime(Runtime::kPushBlockContext, 2, instr); 6392 CallRuntime(Runtime::kPushBlockContext, 2, instr);
6388 RecordSafepoint(Safepoint::kNoLazyDeopt); 6393 RecordSafepoint(Safepoint::kNoLazyDeopt);
6389 } 6394 }
6390 6395
6391 6396
6392 #undef __ 6397 #undef __
6393 6398
6394 } } // namespace v8::internal 6399 } } // namespace v8::internal
6395 6400
6396 #endif // V8_TARGET_ARCH_X87 6401 #endif // V8_TARGET_ARCH_X87
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