First draft of the sh4 port

src/sh4/debug-sh4.cc

+// 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"
+
+#if defined(V8_TARGET_ARCH_SH4)
+
+#include "codegen.h"
+#include "debug.h"
+
+namespace v8 {
+namespace internal {
+
+#ifdef ENABLE_DEBUGGER_SUPPORT
+
+
+#define __ ACCESS_MASM(masm)
+
+void BreakLocationIterator::ClearDebugBreakAtReturn() {
+  UNIMPLEMENTED();
+}
+
+
+void BreakLocationIterator::ClearDebugBreakAtSlot() {
+  UNIMPLEMENTED();
+}
+
+
+// A debug break in the frame exit code is identified by the JS frame exit code
+// having been patched with a call instruction.
+bool Debug::IsDebugBreakAtReturn(RelocInfo* rinfo) {
+  UNIMPLEMENTED();
+  return false;
+}
+
+
+bool BreakLocationIterator::IsDebugBreakAtReturn() {
+  return Debug::IsDebugBreakAtReturn(rinfo());
+}
+
+
+bool BreakLocationIterator::IsDebugBreakAtSlot() {
+  UNIMPLEMENTED();
+  return false;
+}
+
+
+void BreakLocationIterator::SetDebugBreakAtReturn() {
+  UNIMPLEMENTED();
+}
+
+
+void BreakLocationIterator::SetDebugBreakAtSlot() {
+  UNIMPLEMENTED();
+}
+
+
+void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateConstructCallDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateKeyedLoadICDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateKeyedStoreICDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GeneratePlainReturnLiveEdit(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateSlot(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateSlotDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateStoreICDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+
+void Debug::GenerateStubNoRegistersDebugBreak(MacroAssembler* masm) {
+  __ UNIMPLEMENTED_BREAK();
+}
+
+const bool Debug::kFrameDropperSupported = true;
+
+#undef __
+
+#endif  // ENABLE_DEBUGGER_SUPPORT
+
+} }  // namespace v8::internal
+
+#endif  // V8_TARGET_ARCH_IA32