1 /*
2  * Copyright (C) 2017 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_DEXOPT_TEST_H_
18 #define ART_RUNTIME_DEXOPT_TEST_H_
19 
20 #include <string>
21 #include <vector>
22 
23 #include "dex2oat_environment_test.h"
24 
25 namespace art {
26 
27 class DexoptTest : public Dex2oatEnvironmentTest {
28  public:
29   void SetUp() override;
30 
31   void PreRuntimeCreate() override;
32 
33   void PostRuntimeCreate() override;
34 
35   // Generate an oat file for the purposes of test.
36   // The oat file will be generated for dex_location in the given oat_location
37   // with the following configuration:
38   //   filter - controls the compilation filter
39   //   with_alternate_image - if true, the oat file will be generated with an
40   //      image checksum different than the current image checksum.
41   void GenerateOatForTest(const std::string& dex_location,
42                           const std::string& oat_location,
43                           CompilerFilter::Filter filter,
44                           bool with_alternate_image,
45                           const char* compilation_reason = nullptr,
46                           const std::vector<std::string>& extra_args = {});
47 
48   // Generate an odex file for the purposes of test.
49   void GenerateOdexForTest(const std::string& dex_location,
50                            const std::string& odex_location,
51                            CompilerFilter::Filter filter,
52                            const char* compilation_reason = nullptr,
53                           const std::vector<std::string>& extra_args = {});
54 
55   // Generate an oat file for the given dex location in its oat location (under
56   // the dalvik cache).
57   void GenerateOatForTest(const char* dex_location,
58                           CompilerFilter::Filter filter,
59                           bool with_alternate_image);
60 
61   // Generate a standard oat file in the oat location.
62   void GenerateOatForTest(const char* dex_location, CompilerFilter::Filter filter);
63 
64   bool Dex2Oat(const std::vector<std::string>& args, std::string* error_msg);
65 
66  private:
67   // Reserve memory around where the image will be loaded so other memory
68   // won't conflict when it comes time to load the image.
69   // This can be called with an already loaded image to reserve the space
70   // around it.
71   void ReserveImageSpace();
72 
73   // Reserve a chunk of memory for the image space in the given range.
74   // Only has effect for chunks with a positive number of bytes.
75   void ReserveImageSpaceChunk(uintptr_t start, uintptr_t end);
76 
77   // Unreserve any memory reserved by ReserveImageSpace. This should be called
78   // before the image is loaded.
79   void UnreserveImageSpace();
80 
81   std::vector<MemMap> image_reservation_;
82 };
83 
84 }  // namespace art
85 
86 #endif  // ART_RUNTIME_DEXOPT_TEST_H_
87