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1 /*
2  * Copyright (C) 2014 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_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_ENUM_H_
18 #define ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_ENUM_H_
19 
20 #include "quick_entrypoints.h"
21 #include "quick_entrypoints_enum.h"
22 #include "thread.h"
23 
24 namespace art {
25 
26 // Define an enum for the entrypoints. Names are prepended a 'kQuick'.
27 enum QuickEntrypointEnum {  // NOLINT(whitespace/braces)
28 #define ENTRYPOINT_ENUM(name, rettype, ...) kQuick ## name,
29 #include "quick_entrypoints_list.h"
30   QUICK_ENTRYPOINT_LIST(ENTRYPOINT_ENUM)
31 #undef QUICK_ENTRYPOINT_LIST
32 #undef ENTRYPOINT_ENUM
33 };
34 
35 std::ostream& operator<<(std::ostream& os, const QuickEntrypointEnum& kind);
36 
37 // Translate a QuickEntrypointEnum value to the corresponding ThreadOffset.
38 template <PointerSize pointer_size>
GetThreadOffset(QuickEntrypointEnum trampoline)39 static ThreadOffset<pointer_size> GetThreadOffset(QuickEntrypointEnum trampoline) {
40   switch (trampoline)
41   {  // NOLINT(whitespace/braces)
42   #define ENTRYPOINT_ENUM(name, rettype, ...) case kQuick ## name : \
43       return QUICK_ENTRYPOINT_OFFSET(pointer_size, p ## name);
44   #include "quick_entrypoints_list.h"
45     QUICK_ENTRYPOINT_LIST(ENTRYPOINT_ENUM)
46   #undef QUICK_ENTRYPOINT_LIST
47   #undef ENTRYPOINT_ENUM
48   };
49   LOG(FATAL) << "Unexpected trampoline " << static_cast<int>(trampoline);
50   UNREACHABLE();
51 }
52 
53 // Do a check functions to be able to test whether the right signature is used.
54 template <QuickEntrypointEnum entrypoint, typename... Types>
55 void CheckEntrypointTypes();
56 
57 #define ENTRYPOINT_ENUM(name, ...) \
58 template <> inline void CheckEntrypointTypes<kQuick ## name, __VA_ARGS__>() {};  // NOLINT [readability/braces] [4]
59 #include "quick_entrypoints_list.h"
60 QUICK_ENTRYPOINT_LIST(ENTRYPOINT_ENUM)
61 #undef QUICK_ENTRYPOINT_LIST
62 #undef ENTRYPOINT_ENUM
63 
64 bool EntrypointRequiresStackMap(QuickEntrypointEnum trampoline);
65 bool EntrypointCanTriggerGC(QuickEntrypointEnum entrypoint);
66 
67 }  // namespace art
68 
69 #endif  // ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ENTRYPOINTS_ENUM_H_
70