Add a stub_code_space in the heap alongside code_space so that stub code generation happens here an…

vm/stub_code.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/stub_code.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/disassembler.h"
 #include "vm/flags.h"
@@ skipping 89 matching lines @@
           (pc < (InvokeDartCodeEntryPoint() + InvokeDartCodeSize())));
 }
 
 
 RawCode* StubCode::GetAllocationStubForClass(const Class& cls) {
   Code& stub = Code::Handle(cls.allocation_stub());
   if (stub.IsNull()) {
     Assembler assembler;
     const char* name = cls.ToCString();
     StubCode::GenerateAllocationStubForClass(&assembler, cls);
-    stub ^= Code::FinalizeCode(name, &assembler);
+    stub ^= Code::FinalizeStubCode(name, &assembler);
     cls.set_allocation_stub(stub);
     if (FLAG_disassemble_stubs) {
       OS::Print("Code for allocation stub '%s': {\n", name);
       Disassembler::Disassemble(stub.EntryPoint(),
                                 stub.EntryPoint() + assembler.CodeSize());
       OS::Print("}\n");
     }
   }
   return stub.raw();
 }
 
 
 RawCode* StubCode::GetAllocationStubForClosure(const Function& func) {
   Code& stub = Code::Handle(func.closure_allocation_stub());
   if (stub.IsNull()) {
     Assembler assembler;
     const char* name = func.ToCString();
     StubCode::GenerateAllocationStubForClosure(&assembler, func);
-    stub ^= Code::FinalizeCode(name, &assembler);
+    stub ^= Code::FinalizeStubCode(name, &assembler);
     func.set_closure_allocation_stub(stub);
     if (FLAG_disassemble_stubs) {
       OS::Print("Code for closure allocation stub '%s': {\n", name);
       Disassembler::Disassemble(stub.EntryPoint(),
                                 stub.EntryPoint() + assembler.CodeSize());
       OS::Print("}\n");
     }
   }
   return stub.raw();
 }
 
 
 RawCode* StubCode::Generate(const char* name,
                             void (*GenerateStub)(Assembler* assembler)) {
   Assembler assembler;
   GenerateStub(&assembler);
-  const Code& code = Code::Handle(Code::FinalizeCode(name, &assembler));
+  const Code& code = Code::Handle(Code::FinalizeStubCode(name, &assembler));
   if (FLAG_disassemble_stubs) {
     OS::Print("Code for stub '%s': {\n", name);
     Disassembler::Disassemble(code.EntryPoint(),
                               code.EntryPoint() + assembler.CodeSize());
     OS::Print("}\n");
   }
   return code.raw();
 }
 
 
 const char* StubCode::NameOfStub(uword entry_point) {
 #define STUB_CODE_TESTER(name) \
   if ((name##_entry() != NULL) && (entry_point == name##EntryPoint())) {       \
     return ""#name;                                                            \
   }
 
   VM_STUB_CODE_LIST(STUB_CODE_TESTER);
   Isolate* isolate = Isolate::Current();
   if ((isolate != NULL) && (isolate->stub_code() != NULL)) {
     STUB_CODE_LIST(STUB_CODE_TESTER);
   }
 #undef STUB_CODE_TESTER
   return NULL;
 }
 
 }  // namespace dart