First draft of the sh4 port

src/sh4/deoptimizer-sh4.cc

Index: src/sh4/deoptimizer-sh4.cc
diff --git a/src/sh4/deoptimizer-sh4.cc b/src/sh4/deoptimizer-sh4.cc
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+++ b/src/sh4/deoptimizer-sh4.cc
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+// Copyright 2011-2012 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "v8.h"
+
+#include "codegen.h"
+#include "deoptimizer.h"
+#include "full-codegen.h"
+#include "safepoint-table.h"
+
+namespace v8 {
+namespace internal {
+
+const int Deoptimizer::table_entry_size_ = 16;
+
+
+int Deoptimizer::patch_size() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+void Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(Handle<Code> code) {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::DeoptimizeFunction(JSFunction* function) {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code,
+                                        Address pc_after,
+                                        Code* check_code,
+                                        Code* replacement_code) {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::RevertStackCheckCodeAt(Code* unoptimized_code,
+                                         Address pc_after,
+                                         Code* check_code,
+                                         Code* replacement_code) {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::DoComputeOsrOutputFrame() {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::DoComputeArgumentsAdaptorFrame(TranslationIterator* iterator,
+                                                 int frame_index) {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::DoComputeConstructStubFrame(TranslationIterator* iterator,
+                                              int frame_index) {
+  UNIMPLEMENTED();
+}
+
+void Deoptimizer::DoComputeAccessorStubFrame(TranslationIterator* iterator,
+                                             int frame_index,
+                                             bool is_setter_stub_frame) {
+  UNIMPLEMENTED();
+}
+
+
+// This code is very similar to ia32 code, but relies on register names (fp, sp)
+// and how the frame is laid out.
+void Deoptimizer::DoComputeJSFrame(TranslationIterator* iterator,
+                                   int frame_index) {
+  UNIMPLEMENTED();
+}
+
+
+#define __ masm()->
+
+// This code tries to be close to ia32 code so that any changes can be
+// easily ported.
+void Deoptimizer::EntryGenerator::Generate() {
+  UNIMPLEMENTED();
+}
+
+
+void Deoptimizer::TableEntryGenerator::GeneratePrologue() {
+  UNIMPLEMENTED();
+}
+
+
+} }  // namespace v8::internal
+