Rename A64 port to ARM64 port

src/a64/instrument-a64.cc

Index: src/a64/instrument-a64.cc
diff --git a/src/a64/instrument-a64.cc b/src/a64/instrument-a64.cc
deleted file mode 100644
index 93892d9360fb8e11de6958d0045700c37aca436f..0000000000000000000000000000000000000000
--- a/src/a64/instrument-a64.cc
+++ /dev/null
@@ -1,618 +0,0 @@
-// 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.
-
-#include "a64/instrument-a64.h"
-
-namespace v8 {
-namespace internal {
-
-Counter::Counter(const char* name, CounterType type)
-    : count_(0), enabled_(false), type_(type) {
-  ASSERT(name != NULL);
-  strncpy(name_, name, kCounterNameMaxLength);
-}
-
-
-void Counter::Enable() {
-  enabled_ = true;
-}
-
-
-void Counter::Disable() {
-  enabled_ = false;
-}
-
-
-bool Counter::IsEnabled() {
-  return enabled_;
-}
-
-
-void Counter::Increment() {
-  if (enabled_) {
-    count_++;
-  }
-}
-
-
-uint64_t Counter::count() {
-  uint64_t result = count_;
-  if (type_ == Gauge) {
-    // If the counter is a Gauge, reset the count after reading.
-    count_ = 0;
-  }
-  return result;
-}
-
-
-const char* Counter::name() {
-  return name_;
-}
-
-
-CounterType Counter::type() {
-  return type_;
-}
-
-
-typedef struct {
-  const char* name;
-  CounterType type;
-} CounterDescriptor;
-
-
-static const CounterDescriptor kCounterList[] = {
-  {"Instruction", Cumulative},
-
-  {"Move Immediate", Gauge},
-  {"Add/Sub DP", Gauge},
-  {"Logical DP", Gauge},
-  {"Other Int DP", Gauge},
-  {"FP DP", Gauge},
-
-  {"Conditional Select", Gauge},
-  {"Conditional Compare", Gauge},
-
-  {"Unconditional Branch", Gauge},
-  {"Compare and Branch", Gauge},
-  {"Test and Branch", Gauge},
-  {"Conditional Branch", Gauge},
-
-  {"Load Integer", Gauge},
-  {"Load FP", Gauge},
-  {"Load Pair", Gauge},
-  {"Load Literal", Gauge},
-
-  {"Store Integer", Gauge},
-  {"Store FP", Gauge},
-  {"Store Pair", Gauge},
-
-  {"PC Addressing", Gauge},
-  {"Other", Gauge},
-  {"SP Adjust", Gauge},
-};
-
-
-Instrument::Instrument(const char* datafile, uint64_t sample_period)
-    : output_stream_(stderr), sample_period_(sample_period) {
-
-  // Set up the output stream. If datafile is non-NULL, use that file. If it
-  // can't be opened, or datafile is NULL, use stderr.
-  if (datafile != NULL) {
-    output_stream_ = fopen(datafile, "w");
-    if (output_stream_ == NULL) {
-      fprintf(stderr, "Can't open output file %s. Using stderr.\n", datafile);
-      output_stream_ = stderr;
-    }
-  }
-
-  static const int num_counters =
-    sizeof(kCounterList) / sizeof(CounterDescriptor);
-
-  // Dump an instrumentation description comment at the top of the file.
-  fprintf(output_stream_, "# counters=%d\n", num_counters);
-  fprintf(output_stream_, "# sample_period=%" PRIu64 "\n", sample_period_);
-
-  // Construct Counter objects from counter description array.
-  for (int i = 0; i < num_counters; i++) {
-    Counter* counter = new Counter(kCounterList[i].name, kCounterList[i].type);
-    counters_.push_back(counter);
-  }
-
-  DumpCounterNames();
-}
-
-
-Instrument::~Instrument() {
-  // Dump any remaining instruction data to the output file.
-  DumpCounters();
-
-  // Free all the counter objects.
-  std::list<Counter*>::iterator it;
-  for (it = counters_.begin(); it != counters_.end(); it++) {
-    delete *it;
-  }
-
-  if (output_stream_ != stderr) {
-    fclose(output_stream_);
-  }
-}
-
-
-void Instrument::Update() {
-  // Increment the instruction counter, and dump all counters if a sample period
-  // has elapsed.
-  static Counter* counter = GetCounter("Instruction");
-  ASSERT(counter->type() == Cumulative);
-  counter->Increment();
-
-  if (counter->IsEnabled() && (counter->count() % sample_period_) == 0) {
-    DumpCounters();
-  }
-}
-
-
-void Instrument::DumpCounters() {
-  // Iterate through the counter objects, dumping their values to the output
-  // stream.
-  std::list<Counter*>::const_iterator it;
-  for (it = counters_.begin(); it != counters_.end(); it++) {
-    fprintf(output_stream_, "%" PRIu64 ",", (*it)->count());
-  }
-  fprintf(output_stream_, "\n");
-  fflush(output_stream_);
-}
-
-
-void Instrument::DumpCounterNames() {
-  // Iterate through the counter objects, dumping the counter names to the
-  // output stream.
-  std::list<Counter*>::const_iterator it;
-  for (it = counters_.begin(); it != counters_.end(); it++) {
-    fprintf(output_stream_, "%s,", (*it)->name());
-  }
-  fprintf(output_stream_, "\n");
-  fflush(output_stream_);
-}
-
-
-void Instrument::HandleInstrumentationEvent(unsigned event) {
-  switch (event) {
-    case InstrumentStateEnable: Enable(); break;
-    case InstrumentStateDisable: Disable(); break;
-    default: DumpEventMarker(event);
-  }
-}
-
-
-void Instrument::DumpEventMarker(unsigned marker) {
-  // Dumpan event marker to the output stream as a specially formatted comment
-  // line.
-  static Counter* counter = GetCounter("Instruction");
-
-  fprintf(output_stream_, "# %c%c @ %" PRId64 "\n", marker & 0xff,
-          (marker >> 8) & 0xff, counter->count());
-}
-
-
-Counter* Instrument::GetCounter(const char* name) {
-  // Get a Counter object by name from the counter list.
-  std::list<Counter*>::const_iterator it;
-  for (it = counters_.begin(); it != counters_.end(); it++) {
-    if (strcmp((*it)->name(), name) == 0) {
-      return *it;
-    }
-  }
-
-  // A Counter by that name does not exist: print an error message to stderr
-  // and the output file, and exit.
-  static const char* error_message =
-    "# Error: Unknown counter \"%s\". Exiting.\n";
-  fprintf(stderr, error_message, name);
-  fprintf(output_stream_, error_message, name);
-  exit(1);
-}
-
-
-void Instrument::Enable() {
-  std::list<Counter*>::iterator it;
-  for (it = counters_.begin(); it != counters_.end(); it++) {
-    (*it)->Enable();
-  }
-}
-
-
-void Instrument::Disable() {
-  std::list<Counter*>::iterator it;
-  for (it = counters_.begin(); it != counters_.end(); it++) {
-    (*it)->Disable();
-  }
-}
-
-
-void Instrument::VisitPCRelAddressing(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("PC Addressing");
-  counter->Increment();
-}
-
-
-void Instrument::VisitAddSubImmediate(Instruction* instr) {
-  Update();
-  static Counter* sp_counter = GetCounter("SP Adjust");
-  static Counter* add_sub_counter = GetCounter("Add/Sub DP");
-  if (((instr->Mask(AddSubOpMask) == SUB) ||
-       (instr->Mask(AddSubOpMask) == ADD)) &&
-      (instr->Rd() == 31) && (instr->Rn() == 31)) {
-    // Count adjustments to the C stack pointer caused by V8 needing two SPs.
-    sp_counter->Increment();
-  } else {
-    add_sub_counter->Increment();
-  }
-}
-
-
-void Instrument::VisitLogicalImmediate(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Logical DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitMoveWideImmediate(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Move Immediate");
-
-  if (instr->IsMovn() && (instr->Rd() == kZeroRegCode)) {
-    unsigned imm = instr->ImmMoveWide();
-    HandleInstrumentationEvent(imm);
-  } else {
-    counter->Increment();
-  }
-}
-
-
-void Instrument::VisitBitfield(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other Int DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitExtract(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other Int DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitUnconditionalBranch(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Unconditional Branch");
-  counter->Increment();
-}
-
-
-void Instrument::VisitUnconditionalBranchToRegister(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Unconditional Branch");
-  counter->Increment();
-}
-
-
-void Instrument::VisitCompareBranch(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Compare and Branch");
-  counter->Increment();
-}
-
-
-void Instrument::VisitTestBranch(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Test and Branch");
-  counter->Increment();
-}
-
-
-void Instrument::VisitConditionalBranch(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Conditional Branch");
-  counter->Increment();
-}
-
-
-void Instrument::VisitSystem(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other");
-  counter->Increment();
-}
-
-
-void Instrument::VisitException(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other");
-  counter->Increment();
-}
-
-
-void Instrument::InstrumentLoadStorePair(Instruction* instr) {
-  static Counter* load_pair_counter = GetCounter("Load Pair");
-  static Counter* store_pair_counter = GetCounter("Store Pair");
-  if (instr->Mask(LoadStorePairLBit) != 0) {
-    load_pair_counter->Increment();
-  } else {
-    store_pair_counter->Increment();
-  }
-}
-
-
-void Instrument::VisitLoadStorePairPostIndex(Instruction* instr) {
-  Update();
-  InstrumentLoadStorePair(instr);
-}
-
-
-void Instrument::VisitLoadStorePairOffset(Instruction* instr) {
-  Update();
-  InstrumentLoadStorePair(instr);
-}
-
-
-void Instrument::VisitLoadStorePairPreIndex(Instruction* instr) {
-  Update();
-  InstrumentLoadStorePair(instr);
-}
-
-
-void Instrument::VisitLoadStorePairNonTemporal(Instruction* instr) {
-  Update();
-  InstrumentLoadStorePair(instr);
-}
-
-
-void Instrument::VisitLoadLiteral(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Load Literal");
-  counter->Increment();
-}
-
-
-void Instrument::InstrumentLoadStore(Instruction* instr) {
-  static Counter* load_int_counter = GetCounter("Load Integer");
-  static Counter* store_int_counter = GetCounter("Store Integer");
-  static Counter* load_fp_counter = GetCounter("Load FP");
-  static Counter* store_fp_counter = GetCounter("Store FP");
-
-  switch (instr->Mask(LoadStoreOpMask)) {
-    case STRB_w:    // Fall through.
-    case STRH_w:    // Fall through.
-    case STR_w:     // Fall through.
-    case STR_x:     store_int_counter->Increment(); break;
-    case STR_s:     // Fall through.
-    case STR_d:     store_fp_counter->Increment(); break;
-    case LDRB_w:    // Fall through.
-    case LDRH_w:    // Fall through.
-    case LDR_w:     // Fall through.
-    case LDR_x:     // Fall through.
-    case LDRSB_x:   // Fall through.
-    case LDRSH_x:   // Fall through.
-    case LDRSW_x:   // Fall through.
-    case LDRSB_w:   // Fall through.
-    case LDRSH_w:   load_int_counter->Increment(); break;
-    case LDR_s:     // Fall through.
-    case LDR_d:     load_fp_counter->Increment(); break;
-    default: UNREACHABLE();
-  }
-}
-
-
-void Instrument::VisitLoadStoreUnscaledOffset(Instruction* instr) {
-  Update();
-  InstrumentLoadStore(instr);
-}
-
-
-void Instrument::VisitLoadStorePostIndex(Instruction* instr) {
-  Update();
-  InstrumentLoadStore(instr);
-}
-
-
-void Instrument::VisitLoadStorePreIndex(Instruction* instr) {
-  Update();
-  InstrumentLoadStore(instr);
-}
-
-
-void Instrument::VisitLoadStoreRegisterOffset(Instruction* instr) {
-  Update();
-  InstrumentLoadStore(instr);
-}
-
-
-void Instrument::VisitLoadStoreUnsignedOffset(Instruction* instr) {
-  Update();
-  InstrumentLoadStore(instr);
-}
-
-
-void Instrument::VisitLogicalShifted(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Logical DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitAddSubShifted(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Add/Sub DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitAddSubExtended(Instruction* instr) {
-  Update();
-  static Counter* sp_counter = GetCounter("SP Adjust");
-  static Counter* add_sub_counter = GetCounter("Add/Sub DP");
-  if (((instr->Mask(AddSubOpMask) == SUB) ||
-       (instr->Mask(AddSubOpMask) == ADD)) &&
-      (instr->Rd() == 31) && (instr->Rn() == 31)) {
-    // Count adjustments to the C stack pointer caused by V8 needing two SPs.
-    sp_counter->Increment();
-  } else {
-    add_sub_counter->Increment();
-  }
-}
-
-
-void Instrument::VisitAddSubWithCarry(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Add/Sub DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitConditionalCompareRegister(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Conditional Compare");
-  counter->Increment();
-}
-
-
-void Instrument::VisitConditionalCompareImmediate(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Conditional Compare");
-  counter->Increment();
-}
-
-
-void Instrument::VisitConditionalSelect(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Conditional Select");
-  counter->Increment();
-}
-
-
-void Instrument::VisitDataProcessing1Source(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other Int DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitDataProcessing2Source(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other Int DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitDataProcessing3Source(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other Int DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPCompare(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPConditionalCompare(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Conditional Compare");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPConditionalSelect(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Conditional Select");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPImmediate(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPDataProcessing1Source(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPDataProcessing2Source(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPDataProcessing3Source(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPIntegerConvert(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitFPFixedPointConvert(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("FP DP");
-  counter->Increment();
-}
-
-
-void Instrument::VisitUnallocated(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other");
-  counter->Increment();
-}
-
-
-void Instrument::VisitUnimplemented(Instruction* instr) {
-  Update();
-  static Counter* counter = GetCounter("Other");
-  counter->Increment();
-}
-
-
-} }  // namespace v8::internal