Added Isolate parameter to CodeStub::GetCode().

src/arm/code-stubs-arm.cc

 // Copyright 2012 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 612 matching lines @@
     if (destination == kCoreRegisters) {
       __ vmov(r2, r3, d7);
       __ vmov(r0, r1, d6);
     }
   } else {
     ASSERT(destination == kCoreRegisters);
     // Write Smi from r0 to r3 and r2 in double format.
     __ mov(scratch1, Operand(r0));
     ConvertToDoubleStub stub1(r3, r2, scratch1, scratch2);
     __ push(lr);
-    __ Call(stub1.GetCode());
+    __ Call(stub1.GetCode(masm->isolate()));
     // Write Smi from r1 to r1 and r0 in double format.
     __ mov(scratch1, Operand(r1));
     ConvertToDoubleStub stub2(r1, r0, scratch1, scratch2);
-    __ Call(stub2.GetCode());
+    __ Call(stub2.GetCode(masm->isolate()));
     __ pop(lr);
   }
 }
 
 
 void FloatingPointHelper::LoadNumber(MacroAssembler* masm,
                                      Destination destination,
                                      Register object,
                                      DwVfpRegister dst,
                                      Register dst1,
@@ skipping 37 matching lines @@
     if (destination == kCoreRegisters) {
       // Load the converted smi to dst1 and dst2 in double format.
       __ vmov(dst1, dst2, dst);
     }
   } else {
     ASSERT(destination == kCoreRegisters);
     // Write smi to dst1 and dst2 double format.
     __ mov(scratch1, Operand(object));
     ConvertToDoubleStub stub(dst2, dst1, scratch1, scratch2);
     __ push(lr);
-    __ Call(stub.GetCode());
+    __ Call(stub.GetCode(masm->isolate()));
     __ pop(lr);
   }
 
   __ bind(&done);
 }
 
 
 void FloatingPointHelper::ConvertNumberToInt32(MacroAssembler* masm,
                                                Register object,
                                                Register dst,
@@ skipping 407 matching lines @@
   if (the_int_.is(r2) && the_heap_number_.is(r0) && scratch_.is(r3)) {
     return true;
   }
   // Other register combinations are generated as and when they are needed,
   // so it is unsafe to call them from stubs (we can't generate a stub while
   // we are generating a stub).
   return false;
 }
 
 
-void WriteInt32ToHeapNumberStub::GenerateFixedRegStubsAheadOfTime() {
+void WriteInt32ToHeapNumberStub::GenerateFixedRegStubsAheadOfTime(
+    Isolate* isolate) {
   WriteInt32ToHeapNumberStub stub1(r1, r0, r2);
   WriteInt32ToHeapNumberStub stub2(r2, r0, r3);
-  stub1.GetCode()->set_is_pregenerated(true);
-  stub2.GetCode()->set_is_pregenerated(true);
+  stub1.GetCode(isolate)->set_is_pregenerated(true);
+  stub2.GetCode(isolate)->set_is_pregenerated(true);
 }
 
 
 // See comment for class.
 void WriteInt32ToHeapNumberStub::Generate(MacroAssembler* masm) {
   Label max_negative_int;
   // the_int_ has the answer which is a signed int32 but not a Smi.
   // We test for the special value that has a different exponent.  This test
   // has the neat side effect of setting the flags according to the sign.
   STATIC_ASSERT(HeapNumber::kSignMask == 0x80000000u);
@@ skipping 171 matching lines @@
     CpuFeatures::Scope scope(VFP2);
     __ SmiToDoubleVFPRegister(lhs, d7, r7, s15);
     // Load the double from rhs, tagged HeapNumber r0, to d6.
     __ sub(r7, rhs, Operand(kHeapObjectTag));
     __ vldr(d6, r7, HeapNumber::kValueOffset);
   } else {
     __ push(lr);
     // Convert lhs to a double in r2, r3.
     __ mov(r7, Operand(lhs));
     ConvertToDoubleStub stub1(r3, r2, r7, r6);
-    __ Call(stub1.GetCode());
+    __ Call(stub1.GetCode(masm->isolate()));
     // Load rhs to a double in r0, r1.
     __ Ldrd(r0, r1, FieldMemOperand(rhs, HeapNumber::kValueOffset));
     __ pop(lr);
   }
 
   // We now have both loaded as doubles but we can skip the lhs nan check
   // since it's a smi.
   __ jmp(lhs_not_nan);
 
   __ bind(&rhs_is_smi);
@@ skipping 21 matching lines @@
     __ vldr(d7, r7, HeapNumber::kValueOffset);
     // Convert rhs to a double in d6              .
     __ SmiToDoubleVFPRegister(rhs, d6, r7, s13);
   } else {
     __ push(lr);
     // Load lhs to a double in r2, r3.
     __ Ldrd(r2, r3, FieldMemOperand(lhs, HeapNumber::kValueOffset));
     // Convert rhs to a double in r0, r1.
     __ mov(r7, Operand(rhs));
     ConvertToDoubleStub stub2(r1, r0, r7, r6);
-    __ Call(stub2.GetCode());
+    __ Call(stub2.GetCode(masm->isolate()));
     __ pop(lr);
   }
   // Fall through to both_loaded_as_doubles.
 }
 
 
 void EmitNanCheck(MacroAssembler* masm, Label* lhs_not_nan, Condition cond) {
   bool exp_first = (HeapNumber::kExponentOffset == HeapNumber::kValueOffset);
   Register rhs_exponent = exp_first ? r0 : r1;
   Register lhs_exponent = exp_first ? r2 : r3;
@@ skipping 939 matching lines @@
     CpuFeatures::Scope scope(VFP2);
     __ vmov(s0, r1);
     __ vcvt_f64_s32(d0, s0);
     __ sub(r2, r0, Operand(kHeapObjectTag));
     __ vstr(d0, r2, HeapNumber::kValueOffset);
     __ Ret();
   } else {
     // WriteInt32ToHeapNumberStub does not trigger GC, so we do not
     // have to set up a frame.
     WriteInt32ToHeapNumberStub stub(r1, r0, r2);
-    __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+    __ Jump(stub.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
   }
 
   __ bind(&impossible);
   if (FLAG_debug_code) {
     __ stop("Incorrect assumption in bit-not stub");
   }
 }
 
 
 // TODO(svenpanne): Use virtual functions instead of switch.
@@ skipping 1535 matching lines @@
   return true;
 }
 
 
 bool CEntryStub::IsPregenerated() {
   return (!save_doubles_ || ISOLATE->fp_stubs_generated()) &&
           result_size_ == 1;
 }
 
 
-void CodeStub::GenerateStubsAheadOfTime() {
-  CEntryStub::GenerateAheadOfTime();
-  WriteInt32ToHeapNumberStub::GenerateFixedRegStubsAheadOfTime();
-  StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime();
-  RecordWriteStub::GenerateFixedRegStubsAheadOfTime();
+void CodeStub::GenerateStubsAheadOfTime(Isolate* isolate) {
+  CEntryStub::GenerateAheadOfTime(isolate);
+  WriteInt32ToHeapNumberStub::GenerateFixedRegStubsAheadOfTime(isolate);
+  StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(isolate);
+  RecordWriteStub::GenerateFixedRegStubsAheadOfTime(isolate);
 }
 
 
-void CodeStub::GenerateFPStubs() {
+void CodeStub::GenerateFPStubs(Isolate* isolate) {
   SaveFPRegsMode mode = CpuFeatures::IsSupported(VFP2)
       ? kSaveFPRegs
       : kDontSaveFPRegs;
   CEntryStub save_doubles(1, mode);
   StoreBufferOverflowStub stub(mode);
   // These stubs might already be in the snapshot, detect that and don't
   // regenerate, which would lead to code stub initialization state being messed
   // up.
   Code* save_doubles_code = NULL;
   Code* store_buffer_overflow_code = NULL;
   if (!save_doubles.FindCodeInCache(&save_doubles_code, ISOLATE)) {
     if (CpuFeatures::IsSupported(VFP2)) {
       CpuFeatures::Scope scope2(VFP2);
-      save_doubles_code = *save_doubles.GetCode();
-      store_buffer_overflow_code = *stub.GetCode();
+      save_doubles_code = *save_doubles.GetCode(isolate);
+      store_buffer_overflow_code = *stub.GetCode(isolate);
     } else {
-      save_doubles_code = *save_doubles.GetCode();
-      store_buffer_overflow_code = *stub.GetCode();
+      save_doubles_code = *save_doubles.GetCode(isolate);
+      store_buffer_overflow_code = *stub.GetCode(isolate);
     }
     save_doubles_code->set_is_pregenerated(true);
     store_buffer_overflow_code->set_is_pregenerated(true);
   }
   ISOLATE->set_fp_stubs_generated(true);
 }
 
 
-void CEntryStub::GenerateAheadOfTime() {
+void CEntryStub::GenerateAheadOfTime(Isolate* isolate) {
   CEntryStub stub(1, kDontSaveFPRegs);
-  Handle<Code> code = stub.GetCode();
+  Handle<Code> code = stub.GetCode(isolate);
   code->set_is_pregenerated(true);
 }
 
 
 static void JumpIfOOM(MacroAssembler* masm,
                       Register value,
                       Register scratch,
                       Label* oom_label) {
   STATIC_ASSERT(Failure::OUT_OF_MEMORY_EXCEPTION == 3);
   STATIC_ASSERT(kFailureTag == 3);
@@ skipping 3072 matching lines @@
     __ mov(r0, Operand(EQUAL), LeaveCC, eq);
     __ mov(r0, Operand(LESS), LeaveCC, lt);
     __ mov(r0, Operand(GREATER), LeaveCC, gt);
     __ Ret();
   }
 
   __ bind(&unordered);
   __ bind(&generic_stub);
   ICCompareStub stub(op_, CompareIC::GENERIC, CompareIC::GENERIC,
                      CompareIC::GENERIC);
-  __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
+  __ Jump(stub.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
 
   __ bind(&maybe_undefined1);
   if (Token::IsOrderedRelationalCompareOp(op_)) {
     __ CompareRoot(r0, Heap::kUndefinedValueRootIndex);
     __ b(ne, &miss);
     __ JumpIfSmi(r1, &unordered);
     __ CompareObjectType(r1, r2, r2, HEAP_NUMBER_TYPE);
     __ b(ne, &maybe_undefined2);
     __ jmp(&unordered);
   }
@@ skipping 197 matching lines @@
 
 void DirectCEntryStub::GenerateCall(MacroAssembler* masm,
                                     ExternalReference function) {
   __ mov(r2, Operand(function));
   GenerateCall(masm, r2);
 }
 
 
 void DirectCEntryStub::GenerateCall(MacroAssembler* masm,
                                     Register target) {
-  __ mov(lr, Operand(reinterpret_cast<intptr_t>(GetCode().location()),
-                     RelocInfo::CODE_TARGET));
+  intptr_t code =
+      reinterpret_cast<intptr_t>(GetCode(masm->isolate()).location());
+  __ mov(lr, Operand(code, RelocInfo::CODE_TARGET));
 
   // Prevent literal pool emission during calculation of return address.
   Assembler::BlockConstPoolScope block_const_pool(masm);
 
   // Push return address (accessible to GC through exit frame pc).
   // Note that using pc with str is deprecated.
   Label start;
   __ bind(&start);
   __ add(ip, pc, Operand(Assembler::kInstrSize));
   __ str(ip, MemOperand(sp, 0));
@@ skipping 312 matching lines @@
   }
   return false;
 }
 
 
 bool StoreBufferOverflowStub::IsPregenerated() {
   return save_doubles_ == kDontSaveFPRegs || ISOLATE->fp_stubs_generated();
 }
 
 
-void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime() {
+void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(
+    Isolate* isolate) {
   StoreBufferOverflowStub stub1(kDontSaveFPRegs);
-  stub1.GetCode()->set_is_pregenerated(true);
+  stub1.GetCode(isolate)->set_is_pregenerated(true);
 }
 
 
-void RecordWriteStub::GenerateFixedRegStubsAheadOfTime() {
+void RecordWriteStub::GenerateFixedRegStubsAheadOfTime(Isolate* isolate) {
   for (const AheadOfTimeWriteBarrierStubList* entry = kAheadOfTime;
        !entry->object.is(no_reg);
        entry++) {
     RecordWriteStub stub(entry->object,
                          entry->value,
                          entry->address,
                          entry->action,
                          kDontSaveFPRegs);
-    stub.GetCode()->set_is_pregenerated(true);
+    stub.GetCode(isolate)->set_is_pregenerated(true);
   }
 }
 
 
 bool CodeStub::CanUseFPRegisters() {
   return CpuFeatures::IsSupported(VFP2);
 }
 
 
 // Takes the input in 3 registers: address_ value_ and object_.  A pointer to
@@ skipping 254 matching lines @@
                                  r5, r6, r7, r9, r2,
                                  &slow_elements);
   __ Ret();
 }
 
 
 void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
   ASSERT(!Serializer::enabled());
   bool save_fp_regs = CpuFeatures::IsSupported(VFP2);
   CEntryStub ces(1, save_fp_regs ? kSaveFPRegs : kDontSaveFPRegs);
-  __ Call(ces.GetCode(), RelocInfo::CODE_TARGET);
+  __ Call(ces.GetCode(masm->isolate()), RelocInfo::CODE_TARGET);
   int parameter_count_offset =
       StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
   __ ldr(r1, MemOperand(fp, parameter_count_offset));
   masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
   __ mov(r1, Operand(r1, LSL, kPointerSizeLog2));
   __ add(sp, sp, r1);
   __ Ret();
 }
 
 
@@ skipping 54 matching lines @@
 
   __ Pop(lr, r5, r1);
   __ Ret();
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM