1 /*
2 * Copyright (C) 2011 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 "jni_macro_assembler.h"
18
19 #include <algorithm>
20 #include <vector>
21
22 #ifdef ART_ENABLE_CODEGEN_arm
23 #include "arm/jni_macro_assembler_arm_vixl.h"
24 #endif
25 #ifdef ART_ENABLE_CODEGEN_arm64
26 #include "arm64/jni_macro_assembler_arm64.h"
27 #endif
28 #ifdef ART_ENABLE_CODEGEN_mips
29 #include "mips/assembler_mips.h"
30 #endif
31 #ifdef ART_ENABLE_CODEGEN_mips64
32 #include "mips64/assembler_mips64.h"
33 #endif
34 #ifdef ART_ENABLE_CODEGEN_x86
35 #include "x86/jni_macro_assembler_x86.h"
36 #endif
37 #ifdef ART_ENABLE_CODEGEN_x86_64
38 #include "x86_64/jni_macro_assembler_x86_64.h"
39 #endif
40 #include "base/casts.h"
41 #include "globals.h"
42 #include "memory_region.h"
43
44 namespace art {
45
46 using MacroAsm32UniquePtr = std::unique_ptr<JNIMacroAssembler<PointerSize::k32>>;
47
48 template <>
Create(ArenaAllocator * arena,InstructionSet instruction_set,const InstructionSetFeatures * instruction_set_features)49 MacroAsm32UniquePtr JNIMacroAssembler<PointerSize::k32>::Create(
50 ArenaAllocator* arena,
51 InstructionSet instruction_set,
52 const InstructionSetFeatures* instruction_set_features) {
53 #ifndef ART_ENABLE_CODEGEN_mips
54 UNUSED(instruction_set_features);
55 #endif
56
57 switch (instruction_set) {
58 #ifdef ART_ENABLE_CODEGEN_arm
59 case kArm:
60 case kThumb2:
61 return MacroAsm32UniquePtr(new (arena) arm::ArmVIXLJNIMacroAssembler(arena));
62 #endif
63 #ifdef ART_ENABLE_CODEGEN_mips
64 case kMips:
65 return MacroAsm32UniquePtr(new (arena) mips::MipsAssembler(
66 arena,
67 instruction_set_features != nullptr
68 ? instruction_set_features->AsMipsInstructionSetFeatures()
69 : nullptr));
70 #endif
71 #ifdef ART_ENABLE_CODEGEN_x86
72 case kX86:
73 return MacroAsm32UniquePtr(new (arena) x86::X86JNIMacroAssembler(arena));
74 #endif
75 default:
76 LOG(FATAL) << "Unknown/unsupported 4B InstructionSet: " << instruction_set;
77 UNREACHABLE();
78 }
79 }
80
81 using MacroAsm64UniquePtr = std::unique_ptr<JNIMacroAssembler<PointerSize::k64>>;
82
83 template <>
Create(ArenaAllocator * arena,InstructionSet instruction_set,const InstructionSetFeatures * instruction_set_features)84 MacroAsm64UniquePtr JNIMacroAssembler<PointerSize::k64>::Create(
85 ArenaAllocator* arena,
86 InstructionSet instruction_set,
87 const InstructionSetFeatures* instruction_set_features) {
88 #ifndef ART_ENABLE_CODEGEN_mips64
89 UNUSED(instruction_set_features);
90 #endif
91
92 switch (instruction_set) {
93 #ifdef ART_ENABLE_CODEGEN_arm64
94 case kArm64:
95 return MacroAsm64UniquePtr(new (arena) arm64::Arm64JNIMacroAssembler(arena));
96 #endif
97 #ifdef ART_ENABLE_CODEGEN_mips64
98 case kMips64:
99 return MacroAsm64UniquePtr(new (arena) mips64::Mips64Assembler(
100 arena,
101 instruction_set_features != nullptr
102 ? instruction_set_features->AsMips64InstructionSetFeatures()
103 : nullptr));
104 #endif
105 #ifdef ART_ENABLE_CODEGEN_x86_64
106 case kX86_64:
107 return MacroAsm64UniquePtr(new (arena) x86_64::X86_64JNIMacroAssembler(arena));
108 #endif
109 default:
110 UNUSED(arena);
111 LOG(FATAL) << "Unknown/unsupported 8B InstructionSet: " << instruction_set;
112 UNREACHABLE();
113 }
114 }
115
116 } // namespace art
117