Reset trunk to 3.24.35.4

src/a64/instrument-a64.h

-// Copyright 2013 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_A64_INSTRUMENT_A64_H_
-#define V8_A64_INSTRUMENT_A64_H_
-
-#include "globals.h"
-#include "utils.h"
-#include "a64/decoder-a64.h"
-#include "a64/constants-a64.h"
-#include "a64/instrument-a64.h"
-
-namespace v8 {
-namespace internal {
-
-const int kCounterNameMaxLength = 256;
-const uint64_t kDefaultInstrumentationSamplingPeriod = 1 << 22;
-
-
-enum InstrumentState {
-  InstrumentStateDisable = 0,
-  InstrumentStateEnable = 1
-};
-
-
-enum CounterType {
-  Gauge = 0,      // Gauge counters reset themselves after reading.
-  Cumulative = 1  // Cumulative counters keep their value after reading.
-};
-
-
-class Counter {
- public:
-  Counter(const char* name, CounterType type = Gauge);
-
-  void Increment();
-  void Enable();
-  void Disable();
-  bool IsEnabled();
-  uint64_t count();
-  const char* name();
-  CounterType type();
-
- private:
-  char name_[kCounterNameMaxLength];
-  uint64_t count_;
-  bool enabled_;
-  CounterType type_;
-};
-
-
-class Instrument: public DecoderVisitor {
- public:
-  explicit Instrument(const char* datafile = NULL,
-    uint64_t sample_period = kDefaultInstrumentationSamplingPeriod);
-  ~Instrument();
-
-  // Declare all Visitor functions.
-  #define DECLARE(A) void Visit##A(Instruction* instr);
-  VISITOR_LIST(DECLARE)
-  #undef DECLARE
-
- private:
-  void Update();
-  void Enable();
-  void Disable();
-  void DumpCounters();
-  void DumpCounterNames();
-  void DumpEventMarker(unsigned marker);
-  void HandleInstrumentationEvent(unsigned event);
-  Counter* GetCounter(const char* name);
-
-  void InstrumentLoadStore(Instruction* instr);
-  void InstrumentLoadStorePair(Instruction* instr);
-
-  std::list<Counter*> counters_;
-
-  FILE *output_stream_;
-  uint64_t sample_period_;
-};
-
-} }  // namespace v8::internal
-
-#endif  // V8_A64_INSTRUMENT_A64_H_