Fix perf jitdump integration.

src/perf-jit.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 65 matching lines @@
 }
 
 
 void PerfJitLogger::LogRecordedBuffer(Code* code, SharedFunctionInfo*,
                                       const char* name, int length) {
   DCHECK(code->instruction_start() == code->address() + Code::kHeaderSize);
   DCHECK(perf_output_handle_ != NULL);
 
   const char* code_name = name;
   uint8_t* code_pointer = reinterpret_cast<uint8_t*>(code->instruction_start());
-  uint32_t code_size = code->instruction_size();
+  uint32_t code_size = code->is_crankshafted() ? code->safepoint_table_offset()
+                                               : code->instruction_size();
 
   static const char string_terminator[] = "\0";
 
   jr_code_load code_load;
   code_load.p.id = JIT_CODE_LOAD;
   code_load.p.total_size = sizeof(code_load) + length + 1 + code_size;
   code_load.p.timestamp = GetTimestamp();
   code_load.pid = static_cast<uint32_t>(base::OS::GetCurrentProcessId());
   code_load.tid = static_cast<uint32_t>(base::OS::GetCurrentThreadId());
   code_load.vma = 0x0;  //  Our addresses are absolute.
@@ skipping 41 matching lines @@
   header.elf_mach = GetElfMach();
   header.pid = base::OS::GetCurrentProcessId();
   header.timestamp =
       static_cast<uint64_t>(base::OS::TimeCurrentMillis() * 1000.0);
   LogWriteBytes(reinterpret_cast<const char*>(&header), sizeof(header));
 }
 
 #endif  // V8_OS_LINUX
 }
 }  // namespace v8::internal