CpuProfiler: log pc offset for deopts.

src/arm/lithium-codegen-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arm/lithium-codegen-arm.h"
 #include "src/arm/lithium-gap-resolver-arm.h"
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 334 matching lines @@
       __ mov(entry_offset, Operand(entry - base));
 
       if (table_entry->needs_frame) {
         DCHECK(!info()->saves_caller_doubles());
         Comment(";;; call deopt with frame");
         __ PushFixedFrame();
         __ bl(&needs_frame);
       } else {
         __ bl(&call_deopt_entry);
       }
+      info()->LogDeoptCallPosition(masm()->pc_offset(),
+                                   table_entry->deopt_info.inlining_id);
       masm()->CheckConstPool(false, false);
     }
 
     if (needs_frame.is_linked()) {
       __ bind(&needs_frame);
       // This variant of deopt can only be used with stubs. Since we don't
       // have a function pointer to install in the stack frame that we're
       // building, install a special marker there instead.
       DCHECK(info()->IsStub());
       __ mov(ip, Operand(Smi::FromInt(StackFrame::STUB)));
@@ skipping 515 matching lines @@
 
   Deoptimizer::DeoptInfo deopt_info = MakeDeoptInfo(instr, deopt_reason);
 
   DCHECK(info()->IsStub() || frame_is_built_);
   // Go through jump table if we need to handle condition, build frame, or
   // restore caller doubles.
   if (condition == al && frame_is_built_ &&
       !info()->saves_caller_doubles()) {
     DeoptComment(deopt_info);
     __ Call(entry, RelocInfo::RUNTIME_ENTRY);
+    info()->LogDeoptCallPosition(masm()->pc_offset(), deopt_info.inlining_id);
   } else {
     Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type,
                                             !frame_is_built_);
     // We often have several deopts to the same entry, reuse the last
     // jump entry if this is the case.
     if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() ||
         jump_table_.is_empty() ||
         !table_entry.IsEquivalentTo(jump_table_.last())) {
       jump_table_.Add(table_entry, zone());
     }
@@ skipping 5070 matching lines @@
   __ Push(scope_info);
   __ push(ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal