1 files changed, 0 insertions, 214 deletions
diff --git a/startop/tools/view_compiler/dex_builder.cc b/startop/tools/view_compiler/dex_builder.cc
deleted file mode 100644
index 7a9f41fd8f38..000000000000
--- a/startop/tools/view_compiler/dex_builder.cc
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "dex_builder.h"
-
-#include "dex/descriptors_names.h"
-#include "dex/dex_instruction.h"
-
-#include <fstream>
-#include <memory>
-
-namespace startop {
-namespace dex {
-
-using std::shared_ptr;
-using std::string;
-
-using art::Instruction;
-using ::dex::kAccPublic;
-
-const TypeDescriptor TypeDescriptor::Int() { return TypeDescriptor{"I"}; };
-const TypeDescriptor TypeDescriptor::Void() { return TypeDescriptor{"V"}; };
-
-namespace {
-// From https://source.android.com/devices/tech/dalvik/dex-format#dex-file-magic
-constexpr uint8_t kDexFileMagic[]{0x64, 0x65, 0x78, 0x0a, 0x30, 0x33, 0x38, 0x00};
-
-// Strings lengths can be 32 bits long, but encoded as LEB128 this can take up to five bytes.
-constexpr size_t kMaxEncodedStringLength{5};
-
-}  // namespace
-
-void* TrackingAllocator::Allocate(size_t size) {
-  std::unique_ptr<uint8_t[]> buffer = std::make_unique<uint8_t[]>(size);
-  void* raw_buffer = buffer.get();
-  allocations_[raw_buffer] = std::move(buffer);
-  return raw_buffer;
-}
-
-void TrackingAllocator::Free(void* ptr) { allocations_.erase(allocations_.find(ptr)); }
-
-// Write out a DEX file that is basically:
-//
-// package dextest;
-// public class DexTest {
-//     public static int foo() { return 5; }
-// }
-void WriteTestDexFile(const string& filename) {
-  DexBuilder dex_file;
-
-  ClassBuilder cbuilder{dex_file.MakeClass("dextest.DexTest")};
-  cbuilder.set_source_file("dextest.java");
-
-  MethodBuilder method{cbuilder.CreateMethod("foo", Prototype{TypeDescriptor::Int()})};
-
-  MethodBuilder::Register r = method.MakeRegister();
-  method.BuildConst4(r, 5);
-  method.BuildReturn(r);
-
-  method.Encode();
-
-  slicer::MemView image{dex_file.CreateImage()};
-
-  std::ofstream out_file(filename);
-  out_file.write(image.ptr<const char>(), image.size());
-}
-
-DexBuilder::DexBuilder() : dex_file_{std::make_shared<ir::DexFile>()} {
-  dex_file_->magic = slicer::MemView{kDexFileMagic, sizeof(kDexFileMagic)};
-}
-
-slicer::MemView DexBuilder::CreateImage() {
-  ::dex::Writer writer(dex_file_);
-  size_t image_size{0};
-  ::dex::u1* image = writer.CreateImage(&allocator_, &image_size);
-  return slicer::MemView{image, image_size};
-}
-
-ir::String* DexBuilder::GetOrAddString(const std::string& string) {
-  ir::String*& entry = strings_[string];
-
-  if (entry == nullptr) {
-    // Need to encode the length and then write out the bytes, including 1 byte for null terminator
-    auto buffer = std::make_unique<uint8_t[]>(string.size() + kMaxEncodedStringLength + 1);
-    uint8_t* string_data_start = ::dex::WriteULeb128(buffer.get(), string.size());
-
-    size_t header_length =
-        reinterpret_cast<uintptr_t>(string_data_start) - reinterpret_cast<uintptr_t>(buffer.get());
-
-    auto end = std::copy(string.begin(), string.end(), string_data_start);
-    *end = '\0';
-
-    entry = Alloc<ir::String>();
-    // +1 for null terminator
-    entry->data = slicer::MemView{buffer.get(), header_length + string.size() + 1};
-    string_data_.push_back(std::move(buffer));
-  }
-  return entry;
-}
-
-ClassBuilder DexBuilder::MakeClass(const std::string& name) {
-  auto* class_def = Alloc<ir::Class>();
-  ir::Type* type_def = GetOrAddType(art::DotToDescriptor(name.c_str()));
-  type_def->class_def = class_def;
-
-  class_def->type = type_def;
-  class_def->super_class = GetOrAddType(art::DotToDescriptor("java.lang.Object"));
-  class_def->access_flags = kAccPublic;
-  return ClassBuilder{this, class_def};
-}
-
-// TODO(eholk): we probably want GetOrAddString() also
-ir::Type* DexBuilder::GetOrAddType(const std::string& descriptor) {
-  if (types_by_descriptor_.find(descriptor) != types_by_descriptor_.end()) {
-    return types_by_descriptor_[descriptor];
-  }
-
-  ir::Type* type = Alloc<ir::Type>();
-  type->descriptor = GetOrAddString(descriptor);
-  types_by_descriptor_[descriptor] = type;
-  return type;
-}
-
-ir::Proto* Prototype::Encode(DexBuilder* dex) const {
-  auto* proto = dex->Alloc<ir::Proto>();
-  proto->shorty = dex->GetOrAddString(Shorty());
-  proto->return_type = dex->GetOrAddType(return_type_.descriptor());
-  if (param_types_.size() > 0) {
-    proto->param_types = dex->Alloc<ir::TypeList>();
-    for (const auto& param_type : param_types_) {
-      proto->param_types->types.push_back(dex->GetOrAddType(param_type.descriptor()));
-    }
-  } else {
-    proto->param_types = nullptr;
-  }
-  return proto;
-}
-
-std::string Prototype::Shorty() const {
-  std::string shorty;
-  shorty.append(return_type_.short_descriptor());
-  for (const auto& type_descriptor : param_types_) {
-    shorty.append(type_descriptor.short_descriptor());
-  }
-  return shorty;
-}
-
-ClassBuilder::ClassBuilder(DexBuilder* parent, ir::Class* class_def)
-    : parent_(parent), class_(class_def) {}
-
-MethodBuilder ClassBuilder::CreateMethod(const std::string& name, Prototype prototype) {
-  ir::String* dex_name{parent_->GetOrAddString(name)};
-
-  auto* decl = parent_->Alloc<ir::MethodDecl>();
-  decl->name = dex_name;
-  decl->parent = class_->type;
-  decl->prototype = prototype.Encode(parent_);
-
-  return MethodBuilder{parent_, class_, decl};
-}
-
-void ClassBuilder::set_source_file(const string& source) {
-  class_->source_file = parent_->GetOrAddString(source);
-}
-
-MethodBuilder::MethodBuilder(DexBuilder* dex, ir::Class* class_def, ir::MethodDecl* decl)
-    : dex_{dex}, class_{class_def}, decl_{decl} {}
-
-ir::EncodedMethod* MethodBuilder::Encode() {
-  auto* method = dex_->Alloc<ir::EncodedMethod>();
-  method->decl = decl_;
-
-  // TODO: make access flags configurable
-  method->access_flags = kAccPublic | ::dex::kAccStatic;
-
-  auto* code = dex_->Alloc<ir::Code>();
-  code->registers = num_registers_;
-  // TODO: support ins and outs
-  code->instructions = slicer::ArrayView<const ::dex::u2>(buffer_.data(), buffer_.size());
-  method->code = code;
-
-  class_->direct_methods.push_back(method);
-
-  return method;
-}
-
-MethodBuilder::Register MethodBuilder::MakeRegister() { return num_registers_++; }
-
-void MethodBuilder::BuildReturn() { buffer_.push_back(Instruction::RETURN_VOID); }
-
-void MethodBuilder::BuildReturn(Register src) { buffer_.push_back(Instruction::RETURN | src << 8); }
-
-void MethodBuilder::BuildConst4(Register target, int value) {
-  DCHECK_LT(value, 16);
-  // TODO: support more registers
-  DCHECK_LT(target, 16);
-  buffer_.push_back(Instruction::CONST_4 | (value << 12) | (target << 8));
-}
-
-}  // namespace dex
-}  // namespace startop