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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "disassembler.h"
     18 
     19 #include <ostream>
     20 
     21 #include "android-base/logging.h"
     22 #include "android-base/stringprintf.h"
     23 
     24 #include "disassembler_arm.h"
     25 #include "disassembler_arm64.h"
     26 #include "disassembler_mips.h"
     27 #include "disassembler_x86.h"
     28 
     29 using android::base::StringPrintf;
     30 
     31 namespace art {
     32 
     33 Disassembler::Disassembler(DisassemblerOptions* disassembler_options)
     34     : disassembler_options_(disassembler_options) {
     35   CHECK(disassembler_options_ != nullptr);
     36 }
     37 
     38 Disassembler* Disassembler::Create(InstructionSet instruction_set, DisassemblerOptions* options) {
     39   if (instruction_set == kArm || instruction_set == kThumb2) {
     40     return new arm::DisassemblerArm(options);
     41   } else if (instruction_set == kArm64) {
     42     return new arm64::DisassemblerArm64(options);
     43   } else if (instruction_set == kMips || instruction_set == kMips64) {
     44     return new mips::DisassemblerMips(options);
     45   } else if (instruction_set == kX86) {
     46     return new x86::DisassemblerX86(options, false);
     47   } else if (instruction_set == kX86_64) {
     48     return new x86::DisassemblerX86(options, true);
     49   } else {
     50     UNIMPLEMENTED(FATAL) << static_cast<uint32_t>(instruction_set);
     51     return nullptr;
     52   }
     53 }
     54 
     55 std::string Disassembler::FormatInstructionPointer(const uint8_t* begin) {
     56   if (disassembler_options_->absolute_addresses_) {
     57     return StringPrintf("%p", begin);
     58   } else {
     59     size_t offset = begin - disassembler_options_->base_address_;
     60     return StringPrintf("0x%08zx", offset);
     61   }
     62 }
     63 
     64 Disassembler* create_disassembler(InstructionSet instruction_set, DisassemblerOptions* options) {
     65   return Disassembler::Create(instruction_set, options);
     66 }
     67 
     68 }  // namespace art
     69