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