Add X32 port into V8

src/x64/frames-x64.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 37 matching lines @@
 
 // ----------------------------------------------------
 
 class EntryFrameConstants : public AllStatic {
  public:
 #ifdef _WIN64
   static const int kCalleeSaveXMMRegisters = 10;
   static const int kXMMRegisterSize = 16;
   static const int kXMMRegistersBlockSize =
       kXMMRegisterSize * kCalleeSaveXMMRegisters;
+#ifndef V8_TARGET_ARCH_X32
   static const int kCallerFPOffset =
       -10 * kPointerSize - kXMMRegistersBlockSize;
 #else
+  static const int kCallerFPOffset =
+      -3 * kPointerSize + -7 * kHWRegSize - kXMMRegistersBlockSize;
+#endif
+#else
+#ifndef V8_TARGET_ARCH_X32
   static const int kCallerFPOffset      = -8 * kPointerSize;
+#else
+  static const int kCallerFPOffset      = -3 * kPointerSize + -5 * kHWRegSize;
+#endif
 #endif
   static const int kArgvOffset          = 6 * kPointerSize;
 };
 
 
 class ExitFrameConstants : public AllStatic {
  public:
   static const int kCodeOffset      = -2 * kPointerSize;
   static const int kSPOffset        = -1 * kPointerSize;
 
   static const int kCallerFPOffset  = +0 * kPointerSize;
+#ifndef V8_TARGET_ARCH_X32
   static const int kCallerPCOffset  = +1 * kPointerSize;
 
   // FP-relative displacement of the caller's SP.  It points just
   // below the saved PC.
   static const int kCallerSPDisplacement = +2 * kPointerSize;
+#else
+  static const int kCallerPCOffset  = +1 * kHWRegSize;
+
+  // FP-relative displacement of the caller's SP.  It points just
+  // below the saved PC.
+  static const int kCallerSPDisplacement = +2 * kHWRegSize;
+#endif
 };
 
 
 class JavaScriptFrameConstants : public AllStatic {
  public:
   // FP-relative.
   static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
+#ifndef V8_TARGET_ARCH_X32
   static const int kLastParameterOffset = +2 * kPointerSize;
+#else
+  static const int kLastParameterOffset = +2 * kHWRegSize;
+#endif
   static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
 
   // Caller SP-relative.
   static const int kParam0Offset   = -2 * kPointerSize;
   static const int kReceiverOffset = -1 * kPointerSize;
 };
 
 
 class ArgumentsAdaptorFrameConstants : public AllStatic {
  public:
@@ skipping 26 matching lines @@
 
 
 inline Object* JavaScriptFrame::function_slot_object() const {
   const int offset = JavaScriptFrameConstants::kFunctionOffset;
   return Memory::Object_at(fp() + offset);
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_FRAMES_X64_H_