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 #ifdef ART_ENABLE_CODEGEN_arm
25 # include "disassembler_arm.h"
26 #endif
27
28 #ifdef ART_ENABLE_CODEGEN_arm64
29 # include "disassembler_arm64.h"
30 #endif
31
32 #if defined(ART_ENABLE_CODEGEN_x86) || defined(ART_ENABLE_CODEGEN_x86_64)
33 # include "disassembler_x86.h"
34 #endif
35
36 using android::base::StringPrintf;
37
38 namespace art {
39
Disassembler(DisassemblerOptions * disassembler_options)40 Disassembler::Disassembler(DisassemblerOptions* disassembler_options)
41 : disassembler_options_(disassembler_options) {
42 CHECK(disassembler_options_ != nullptr);
43 }
44
Create(InstructionSet instruction_set,DisassemblerOptions * options)45 Disassembler* Disassembler::Create(InstructionSet instruction_set, DisassemblerOptions* options) {
46 switch (instruction_set) {
47 #ifdef ART_ENABLE_CODEGEN_arm
48 case InstructionSet::kArm:
49 case InstructionSet::kThumb2:
50 return new arm::DisassemblerArm(options);
51 #endif
52 #ifdef ART_ENABLE_CODEGEN_arm64
53 case InstructionSet::kArm64:
54 return new arm64::DisassemblerArm64(options);
55 #endif
56 #ifdef ART_ENABLE_CODEGEN_x86
57 case InstructionSet::kX86:
58 return new x86::DisassemblerX86(options, /* supports_rex= */ false);
59 #endif
60 #ifdef ART_ENABLE_CODEGEN_x86_64
61 case InstructionSet::kX86_64:
62 return new x86::DisassemblerX86(options, /* supports_rex= */ true);
63 #endif
64 default:
65 UNIMPLEMENTED(FATAL) << static_cast<uint32_t>(instruction_set);
66 UNREACHABLE();
67 }
68 }
69
FormatInstructionPointer(const uint8_t * begin)70 std::string Disassembler::FormatInstructionPointer(const uint8_t* begin) {
71 if (disassembler_options_->absolute_addresses_) {
72 return StringPrintf("%p", begin);
73 } else {
74 size_t offset = begin - disassembler_options_->base_address_;
75 return StringPrintf("0x%08zx", offset);
76 }
77 }
78
create_disassembler(InstructionSet instruction_set,DisassemblerOptions * options)79 Disassembler* create_disassembler(InstructionSet instruction_set, DisassemblerOptions* options) {
80 return Disassembler::Create(instruction_set, options);
81 }
82
83 } // namespace art
84