Pass Isolate to CodeAgingHelper

This is a preparation for requiring an isolate to construct a
CodePatcher

BUG=2487
R=epertoso@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1480573002

Cr-Commit-Position: refs/heads/master@{#32283}

src/arm/codegen-arm.cc

@@ -885,7 +885,8 @@ void MathExpGenerator::EmitMathExp(MacroAssembler* masm,
 static const uint32_t kCodeAgePatchFirstInstruction = 0xe24f0008;
 #endif
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // Since patcher is a large object, allocate it dynamically when needed,
   // to avoid overloading the stack in stress conditions.

src/arm64/codegen-arm64.cc

@@ -367,7 +367,8 @@ void ElementsTransitionGenerator::GenerateDoubleToObject(
 }
 
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // The sequence of instructions that is patched out for aging code is the
   // following boilerplate stack-building prologue that is found both in

src/codegen.h

@@ -146,7 +146,7 @@ static const int kNumberDictionaryProbes = 4;
 
 class CodeAgingHelper {
  public:
-  CodeAgingHelper();
+  explicit CodeAgingHelper(Isolate* isolate);
 
   uint32_t young_sequence_length() const { return young_sequence_.length(); }
   bool IsYoung(byte* candidate) const {

src/ia32/codegen-ia32.cc

@@ -988,7 +988,8 @@ void MathExpGenerator::EmitMathExp(MacroAssembler* masm,
 #undef __
 
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   CodePatcher patcher(young_sequence_.start(), young_sequence_.length());
   patcher.masm()->push(ebp);

src/isolate.cc

@@ -2151,7 +2151,7 @@ bool Isolate::Init(Deserializer* des) {
 #endif
 #endif
 
-  code_aging_helper_ = new CodeAgingHelper();
+  code_aging_helper_ = new CodeAgingHelper(this);
 
   { // NOLINT
     // Ensure that the thread has a valid stack guard.  The v8::Locker object

src/mips/codegen-mips.cc

@@ -1188,7 +1188,8 @@ static const uint32_t kCodeAgePatchFirstInstruction = 0x00010180;
 #endif
 
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // Since patcher is a large object, allocate it dynamically when needed,
   // to avoid overloading the stack in stress conditions.

src/mips64/codegen-mips64.cc

@@ -1183,7 +1183,8 @@ static const uint32_t kCodeAgePatchFirstInstruction = 0x00010180;
 #endif
 
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // Since patcher is a large object, allocate it dynamically when needed,
   // to avoid overloading the stack in stress conditions.

src/ppc/codegen-ppc.cc

@@ -608,7 +608,8 @@ void MathExpGenerator::EmitMathExp(MacroAssembler* masm, DoubleRegister input,
 
 #undef __
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // Since patcher is a large object, allocate it dynamically when needed,
   // to avoid overloading the stack in stress conditions.

src/x64/codegen-x64.cc

@@ -644,7 +644,8 @@ void MathExpGenerator::EmitMathExp(MacroAssembler* masm,
 #undef __
 
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // The sequence of instructions that is patched out for aging code is the
   // following boilerplate stack-building prologue that is found both in

src/x87/codegen-x87.cc

@@ -591,7 +591,8 @@ void StringCharLoadGenerator::Generate(MacroAssembler* masm,
 #undef __
 
 
-CodeAgingHelper::CodeAgingHelper() {
+CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
+  USE(isolate);
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   CodePatcher patcher(young_sequence_.start(), young_sequence_.length());
   patcher.masm()->push(ebp);