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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 "base/macros.h"
26 #include "offsets.h"
27 
28 namespace art HIDDEN {
29 
30 enum EntryPointCallingConvention {
31   // ABI of invocations to a method's interpreter entry point.
32   kInterpreterAbi,
33   // ABI of calls to a method's native code, only used for native methods.
34   kJniAbi,
35   // ABI of calls to a method's quick code entry point.
36   kQuickAbi
37 };
38 
39 // Create code that will invoke the function held in thread local storage.
40 EXPORT std::unique_ptr<const std::vector<uint8_t>> CreateTrampoline32(
41     InstructionSet isa, EntryPointCallingConvention abi, ThreadOffset32 entry_point_offset);
42 EXPORT std::unique_ptr<const std::vector<uint8_t>> CreateTrampoline64(
43     InstructionSet isa, EntryPointCallingConvention abi, ThreadOffset64 entry_point_offset);
44 
45 }  // namespace art
46 
47 #endif  // ART_COMPILER_TRAMPOLINES_TRAMPOLINE_COMPILER_H_
48