Fix native code Irregexp on MacOSX.

src/regexp-macro-assembler-ia32.h

 // Copyright 2008 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 70 matching lines @@
   virtual void PushRegister(int register_index);
   virtual void ReadCurrentPositionFromRegister(int reg);
   virtual void ReadStackPointerFromRegister(int reg);
   virtual void SetRegister(int register_index, int to);
   virtual void Succeed();
   virtual void WriteCurrentPositionToRegister(int reg);
   virtual void WriteStackPointerToRegister(int reg);
 
  private:
   // Offsets from ebp of arguments to function.
-  static const int kBackup_edi = 1 * sizeof(uint32_t);
-  static const int kBackup_esi= 2 * sizeof(uint32_t);
-  static const int kInputBuffer = 4 * sizeof(uint32_t);
-  static const int kInputStartOffset = 5 * sizeof(uint32_t);
-  static const int kInputEndOffset = 6 * sizeof(uint32_t);
-  static const int kRegisterOutput = 7 * sizeof(uint32_t);
+  static const int kBackup_ebx = sizeof(uint32_t);

[Lasse Reichstein, 2008/11/27 09:26:09]

I'm wondering whether sizeof(uint32_t) should be replaced by kPointerSize
instead. 

+  static const int kBackup_edi = kBackup_ebx + sizeof(uint32_t);
+  static const int kBackup_esi = kBackup_edi + sizeof(uint32_t);
+  static const int kReturn_eip = kBackup_esi + sizeof(uint32_t);
+  static const int kInputBuffer = kReturn_eip + sizeof(uint32_t);
+  static const int kInputStartOffset = kInputBuffer + sizeof(uint32_t);
+  static const int kInputEndOffset = kInputStartOffset + sizeof(uint32_t);
+  static const int kRegisterOutput = kInputEndOffset + sizeof(uint32_t);
 
   // Initial size of code buffer.
   static const size_t kRegExpCodeSize = 1024;
   // Initial size of constant buffers allocated during compilation.
   static const int kRegExpConstantsSize = 256;
   // Only unroll loops up to this length.
   static const int kMaxInlineStringTests = 8;
   // Special "character" marking end of input.
   static const uint32_t kEndOfInput = ~0;
 
@@ skipping 46 matching lines @@
   Label start_label_;
   Label success_label_;
   Label exit_label_;
   // Handle used to represent the generated code object itself.
   Handle<Object> self_;
 };
 
 }}  // namespace v8::internal
 
 #endif /* REGEXP_MACRO_ASSEMBLER_IA32_H_ */