CpuProfiler: log pc offset for deopts.

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 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"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 299 matching lines @@
       DCHECK(!info()->saves_caller_doubles());
       __ Move(kScratchRegister, ExternalReference::ForDeoptEntry(entry));
       __ call(&needs_frame);
     } else {
       if (info()->saves_caller_doubles()) {
         DCHECK(info()->IsStub());
         RestoreCallerDoubles();
       }
       __ call(entry, RelocInfo::RUNTIME_ENTRY);
     }
+    info()->LogDeoptCallPosition(masm()->pc_offset(),
+                                 table_entry->deopt_info.inlining_id);
   }
 
   if (needs_frame.is_linked()) {
     __ bind(&needs_frame);
     /* stack layout
        4: return address  <-- rsp
        3: garbage
        2: garbage
        1: garbage
        0: garbage
@@ skipping 21 matching lines @@
     __ movp(MemOperand(rsp, 4 * kPointerSize), rbp);
     __ leap(rbp, MemOperand(rsp, 4 * kPointerSize));
 
     // 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());
     __ Move(MemOperand(rsp, 2 * kPointerSize), Smi::FromInt(StackFrame::STUB));
 
     /* stack layout
-       4: old ebp
+       4: old rbp
        3: context pointer
        2: stub marker
        1: return address
        0: entry address  <-- rsp
     */
     __ ret(0);
   }
 
   return !is_aborted();
 }
@@ skipping 432 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 (cc == no_condition && 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 5148 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64