Begins work on ARM64, first assembler test.

runtime/vm/instructions_arm64.cc

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM64.
+#if defined(TARGET_ARCH_ARM64)
+
+#include "vm/assembler.h"
+#include "vm/constants_arm64.h"
+#include "vm/cpu.h"
+#include "vm/instructions.h"
+#include "vm/object.h"
+
+namespace dart {
+
+CallPattern::CallPattern(uword pc, const Code& code)
+    : object_pool_(Array::Handle(code.ObjectPool())),
+      end_(pc),
+      args_desc_load_end_(0),
+      ic_data_load_end_(0),
+      target_address_pool_index_(-1),
+      args_desc_(Array::Handle()),
+      ic_data_(ICData::Handle()) {
+  UNIMPLEMENTED();
+}
+
+
+int CallPattern::LengthInBytes() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+// Decodes a load sequence ending at 'end' (the last instruction of the load
+// sequence is the instruction before the one at end).  Returns a pointer to
+// the first instruction in the sequence.  Returns the register being loaded
+// and the loaded object in the output parameters 'reg' and 'obj'
+// respectively.
+uword InstructionPattern::DecodeLoadObject(uword end,
+                                           const Array& object_pool,
+                                           Register* reg,
+                                           Object* obj) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+// Decodes a load sequence ending at 'end' (the last instruction of the load
+// sequence is the instruction before the one at end).  Returns a pointer to
+// the first instruction in the sequence.  Returns the register being loaded
+// and the loaded immediate value in the output parameters 'reg' and 'value'
+// respectively.
+uword InstructionPattern::DecodeLoadWordImmediate(uword end,
+                                                  Register* reg,
+                                                  intptr_t* value) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+// Decodes a load sequence ending at 'end' (the last instruction of the load
+// sequence is the instruction before the one at end).  Returns a pointer to
+// the first instruction in the sequence.  Returns the register being loaded
+// and the index in the pool being read from in the output parameters 'reg'
+// and 'index' respectively.
+uword InstructionPattern::DecodeLoadWordFromPool(uword end,
+                                                 Register* reg,
+                                                 intptr_t* index) {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+RawICData* CallPattern::IcData() {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+RawArray* CallPattern::ClosureArgumentsDescriptor() {
+  UNIMPLEMENTED();
+  return NULL;
+}
+
+
+uword CallPattern::TargetAddress() const {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+void CallPattern::SetTargetAddress(uword target_address) const {
+  UNIMPLEMENTED();
+}
+
+
+void CallPattern::InsertAt(uword pc, uword target_address) {
+  UNIMPLEMENTED();
+}
+
+
+JumpPattern::JumpPattern(uword pc, const Code& code) : pc_(pc) { }
+
+
+int JumpPattern::pattern_length_in_bytes() {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+bool JumpPattern::IsValid() const {
+  UNIMPLEMENTED();
+  return false;
+}
+
+
+uword JumpPattern::TargetAddress() const {
+  UNIMPLEMENTED();
+  return 0;
+}
+
+
+void JumpPattern::SetTargetAddress(uword target_address) const {
+  UNIMPLEMENTED();
+}
+
+}  // namespace dart
+
+#endif  // defined TARGET_ARCH_ARM64