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
Disassembler(DisassemblerOptions * disassembler_options)33 Disassembler::Disassembler(DisassemblerOptions* disassembler_options)
34 : disassembler_options_(disassembler_options) {
35 CHECK(disassembler_options_ != nullptr);
36 }
37
Create(InstructionSet instruction_set,DisassemblerOptions * options)38 Disassembler* Disassembler::Create(InstructionSet instruction_set, DisassemblerOptions* options) {
39 if (instruction_set == InstructionSet::kArm || instruction_set == InstructionSet::kThumb2) {
40 return new arm::DisassemblerArm(options);
41 } else if (instruction_set == InstructionSet::kArm64) {
42 return new arm64::DisassemblerArm64(options);
43 } else if (instruction_set == InstructionSet::kMips) {
44 return new mips::DisassemblerMips(options, /* is_o32_abi */ true);
45 } else if (instruction_set == InstructionSet::kMips64) {
46 return new mips::DisassemblerMips(options, /* is_o32_abi */ false);
47 } else if (instruction_set == InstructionSet::kX86) {
48 return new x86::DisassemblerX86(options, false);
49 } else if (instruction_set == InstructionSet::kX86_64) {
50 return new x86::DisassemblerX86(options, true);
51 } else {
52 UNIMPLEMENTED(FATAL) << static_cast<uint32_t>(instruction_set);
53 return nullptr;
54 }
55 }
56
FormatInstructionPointer(const uint8_t * begin)57 std::string Disassembler::FormatInstructionPointer(const uint8_t* begin) {
58 if (disassembler_options_->absolute_addresses_) {
59 return StringPrintf("%p", begin);
60 } else {
61 size_t offset = begin - disassembler_options_->base_address_;
62 return StringPrintf("0x%08zx", offset);
63 }
64 }
65
create_disassembler(InstructionSet instruction_set,DisassemblerOptions * options)66 Disassembler* create_disassembler(InstructionSet instruction_set, DisassemblerOptions* options) {
67 return Disassembler::Create(instruction_set, options);
68 }
69
70 } // namespace art
71