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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   std::string GenerateAlternateImage(const std::string& scratch_dir);
36 
37   // Generate an oat file for the purposes of test.
38   // The oat file will be generated for dex_location in the given oat_location
39   // with the following configuration:
40   //   filter - controls the compilation filter
41   //   with_alternate_image - if true, the oat file will be generated with an
42   //      image checksum different than the current image checksum.
43   void GenerateOatForTest(const std::string& dex_location,
44                           const std::string& oat_location,
45                           CompilerFilter::Filter filter,
46                           bool with_alternate_image,
47                           const char* compilation_reason = nullptr,
48                           const std::vector<std::string>& extra_args = {});
49 
50   // Generate an odex file for the purposes of test.
51   void GenerateOdexForTest(const std::string& dex_location,
52                            const std::string& odex_location,
53                            CompilerFilter::Filter filter,
54                            const char* compilation_reason = nullptr,
55                           const std::vector<std::string>& extra_args = {});
56 
57   // Generate an oat file for the given dex location in its oat location (under
58   // the dalvik cache).
59   void GenerateOatForTest(const char* dex_location,
60                           CompilerFilter::Filter filter,
61                           bool with_alternate_image);
62 
63   // Generate a standard oat file in the oat location.
64   void GenerateOatForTest(const char* dex_location, CompilerFilter::Filter filter);
65 
66   bool Dex2Oat(const std::vector<std::string>& args, std::string* error_msg);
67 
68  private:
69   // Reserve memory around where the image will be loaded so other memory
70   // won't conflict when it comes time to load the image.
71   // This can be called with an already loaded image to reserve the space
72   // around it.
73   void ReserveImageSpace();
74 
75   // Reserve a chunk of memory for the image space in the given range.
76   // Only has effect for chunks with a positive number of bytes.
77   void ReserveImageSpaceChunk(uintptr_t start, uintptr_t end);
78 
79   // Unreserve any memory reserved by ReserveImageSpace. This should be called
80   // before the image is loaded.
81   void UnreserveImageSpace();
82 
83   std::vector<MemMap> image_reservation_;
84 };
85 
86 }  // namespace art
87 
88 #endif  // ART_RUNTIME_DEXOPT_TEST_H_
89