[v8-dev] ARM: safepoints frame optimization

src/arm/macro-assembler-arm.h

 // 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 1442 matching lines @@
   // the position of the first bit.  Leaves addr_reg unchanged.
   inline void GetMarkBits(Register addr_reg,
                           Register bitmap_reg,
                           Register mask_reg);
 
   // Helper for throwing exceptions.  Compute a handler address and jump to
   // it.  See the implementation for register usage.
   void JumpToHandlerEntry();
 
   // Compute memory operands for safepoint stack slots.
-  static int SafepointRegisterStackIndex(int reg_code);
+  int SafepointRegisterStackIndex(int reg_code);
   MemOperand SafepointRegisterSlot(Register reg);
   MemOperand SafepointRegistersAndDoublesSlot(Register reg);
 
   bool generating_stub_;
   bool has_frame_;
   // This handle will be patched with the code object on installation.
   Handle<Object> code_object_;
-
-  // Needs access to SafepointRegisterStackIndex for compiled frame
-  // traversal.
-  friend class StandardFrame;
 };
 
 
 // The code patcher is used to patch (typically) small parts of code e.g. for
 // debugging and other types of instrumentation. When using the code patcher
 // the exact number of bytes specified must be emitted. It is not legal to emit
 // relocation information. If any of these constraints are violated it causes
 // an assertion to fail.
 class CodePatcher {
  public:
@@ skipping 47 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_