Merge (7265, 7271] from bleeding_edge to experimental/gc branch....

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 19 matching lines @@
 
 // The original source code covered by the above license above has been
 // modified significantly by Google Inc.
 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 
 #ifndef V8_ASSEMBLER_H_
 #define V8_ASSEMBLER_H_
 
 #include "gdb-jit.h"
 #include "runtime.h"
-#include "top.h"
 #include "token.h"
 
 namespace v8 {
 namespace internal {
 
 
 // -----------------------------------------------------------------------------
 // Common double constants.
 
 class DoubleConstant: public AllStatic {
@@ skipping 263 matching lines @@
 
   // Read/modify the address of a call instruction. This is used to relocate
   // the break points where straight-line code is patched with a call
   // instruction.
   INLINE(Address call_address());
   INLINE(void set_call_address(Address target));
   INLINE(Object* call_object());
   INLINE(void set_call_object(Object* target));
   INLINE(Object** call_object_address());
 
-  template<typename StaticVisitor> inline void Visit();
+  template<typename StaticVisitor> inline void Visit(Heap* heap);
   inline void Visit(ObjectVisitor* v);
 
   // Patch the code with some other code.
   void PatchCode(byte* instructions, int instruction_count);
 
   // Patch the code with a call.
   void PatchCodeWithCall(Address target, int guard_bytes);
 
   // Check whether this return sequence has been patched
   // with a call to the debugger.
@@ skipping 171 matching lines @@
   typedef void* ExternalReferenceRedirector(void* original, Type type);
 
   explicit ExternalReference(Builtins::CFunctionId id);
 
   explicit ExternalReference(ApiFunction* ptr, Type type);
 
   explicit ExternalReference(Builtins::Name name);
 
   explicit ExternalReference(Runtime::FunctionId id);
 
-  explicit ExternalReference(Runtime::Function* f);
+  explicit ExternalReference(const Runtime::Function* f);
 
   explicit ExternalReference(const IC_Utility& ic_utility);
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   explicit ExternalReference(const Debug_Address& debug_address);
 #endif
 
   explicit ExternalReference(StatsCounter* counter);
 
-  explicit ExternalReference(Top::AddressId id);
+  explicit ExternalReference(Isolate::AddressId id);
 
   explicit ExternalReference(const SCTableReference& table_ref);
 
+  // Isolate::Current() as an external reference.
+  static ExternalReference isolate_address();
+
   // One-of-a-kind references. These references are not part of a general
   // pattern. This means that they have to be added to the
   // ExternalReferenceTable in serialize.cc manually.
 
   static ExternalReference incremental_marking_record_write_function();
+  static ExternalReference store_buffer_overflow_function();
   static ExternalReference perform_gc_function();
   static ExternalReference fill_heap_number_with_random_function();
   static ExternalReference random_uint32_function();
   static ExternalReference transcendental_cache_array_address();
   static ExternalReference delete_handle_scope_extensions();
 
   // Deoptimization support.
   static ExternalReference new_deoptimizer_function();
   static ExternalReference compute_output_frames_function();
   static ExternalReference global_contexts_list();
@@ skipping 82 matching lines @@
   static ExternalReference re_grow_stack();
 
   // byte NativeRegExpMacroAssembler::word_character_bitmap
   static ExternalReference re_word_character_map();
 
 #endif
 
   // This lets you register a function that rewrites all external references.
   // Used by the ARM simulator to catch calls to external references.
   static void set_redirector(ExternalReferenceRedirector* redirector) {
-    ASSERT(redirector_ == NULL);  // We can't stack them.
-    redirector_ = redirector;
+    // We can't stack them.
+    ASSERT(Isolate::Current()->external_reference_redirector() == NULL);
+    Isolate::Current()->set_external_reference_redirector(
+        reinterpret_cast<ExternalReferenceRedirectorPointer*>(redirector));
   }
 
  private:
   explicit ExternalReference(void* address)
       : address_(address) {}
 
-  static ExternalReferenceRedirector* redirector_;
-
   static void* Redirect(void* address,
                         Type type = ExternalReference::BUILTIN_CALL) {
-    if (redirector_ == NULL) return address;
-    void* answer = (*redirector_)(address, type);
+    ExternalReferenceRedirector* redirector =
+        reinterpret_cast<ExternalReferenceRedirector*>(
+            Isolate::Current()->external_reference_redirector());
+    if (redirector == NULL) return address;
+    void* answer = (*redirector)(address, type);
     return answer;
   }
 
   static void* Redirect(Address address_arg,
                         Type type = ExternalReference::BUILTIN_CALL) {
+    ExternalReferenceRedirector* redirector =
+        reinterpret_cast<ExternalReferenceRedirector*>(
+            Isolate::Current()->external_reference_redirector());
     void* address = reinterpret_cast<void*>(address_arg);
-    void* answer = (redirector_ == NULL) ?
+    void* answer = (redirector == NULL) ?
                    address :
-                   (*redirector_)(address, type);
+                   (*redirector)(address, type);
     return answer;
   }
 
   void* address_;
 };
 
 
 // -----------------------------------------------------------------------------
 // Position recording support
 
@@ skipping 121 matching lines @@
   return num_bits_set;
 }
 
 // Computes pow(x, y) with the special cases in the spec for Math.pow.
 double power_double_int(double x, int y);
 double power_double_double(double x, double y);
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_