1 /*
2  * Copyright (C) 2013 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 #ifndef ART_COMPILER_TRAMPOLINES_TRAMPOLINE_COMPILER_H_
18 #define ART_COMPILER_TRAMPOLINES_TRAMPOLINE_COMPILER_H_
19 
20 #include <stdint.h>
21 #include <memory>
22 #include <vector>
23 
24 #include "arch/instruction_set.h"
25 #include "offsets.h"
26 
27 namespace art {
28 
29 enum EntryPointCallingConvention {
30   // ABI of invocations to a method's interpreter entry point.
31   kInterpreterAbi,
32   // ABI of calls to a method's native code, only used for native methods.
33   kJniAbi,
34   // ABI of calls to a method's quick code entry point.
35   kQuickAbi
36 };
37 
38 // Create code that will invoke the function held in thread local storage.
39 std::unique_ptr<const std::vector<uint8_t>> CreateTrampoline32(InstructionSet isa,
40                                                                EntryPointCallingConvention abi,
41                                                                ThreadOffset32 entry_point_offset);
42 std::unique_ptr<const std::vector<uint8_t>> CreateTrampoline64(InstructionSet isa,
43                                                                EntryPointCallingConvention abi,
44                                                                ThreadOffset64 entry_point_offset);
45 
46 }  // namespace art
47 
48 #endif  // ART_COMPILER_TRAMPOLINES_TRAMPOLINE_COMPILER_H_
49