Add PushAddress(ExternalReference) for X64.

src/x64/macro-assembler-x64.cc

 // 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 132 matching lines @@
         size += 3;  // Need full four-byte displacement in lea.
       }
       return size;
     }
   }
   // Size of movq(destination, src);
   return 10;
 }
 
 
+void MacroAssembler::PushAddress(ExternalReference source) {
+  int64_t address = reinterpret_cast<int64_t>(source.address());
+  if (is_int32(address) && !Serializer::enabled()) {
+    push(Immediate(static_cast<int32_t>(address)));
+    return;
+  }
+  LoadAddress(kScratchRegister, source);
+  push(kScratchRegister);

[Erik Corry, 2012/04/14 08:37:04]

If we are emitting debug code we should zap the scratch reg if we don't use it

[Michael Starzinger, 2012/04/16 10:53:55]

Done.

+}
+
+
 void MacroAssembler::LoadRoot(Register destination, Heap::RootListIndex index) {
   ASSERT(root_array_available_);
   movq(destination, Operand(kRootRegister,
                             (index << kPointerSizeLog2) - kRootRegisterBias));
 }
 
 
 void MacroAssembler::LoadRootIndexed(Register destination,
                                      Register variable_offset,
                                      int fixed_offset) {
@@ skipping 4259 matching lines @@
   bind(&check_prototype);
   movq(rcx, FieldOperand(rbx, Map::kPrototypeOffset));
   cmpq(rcx, null_value);
   j(not_equal, &next);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64