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 "base/macros.h"
24 #include "dex2oat_environment_test.h"
25 
26 namespace art HIDDEN {
27 
28 class DexoptTest : public Dex2oatEnvironmentTest {
29  public:
30   void SetUp() override;
31 
32   void PreRuntimeCreate() override;
33 
34   void PostRuntimeCreate() override;
35 
36   std::string GenerateAlternateImage(const std::string& scratch_dir);
37 
38   // Generate an oat file for the purposes of test.
39   // The oat file will be generated for dex_location in the given oat_location
40   // with the following configuration:
41   //   filter - controls the compilation filter
42   //   with_alternate_image - if true, the oat file will be generated with an
43   //      image checksum different than the current image checksum.
44   void GenerateOatForTest(const std::string& dex_location,
45                           const std::string& oat_location,
46                           CompilerFilter::Filter filter,
47                           bool with_alternate_image,
48                           const char* compilation_reason = nullptr,
49                           const std::vector<std::string>& extra_args = {});
50 
51   // Generate an odex file for the purposes of test.
52   void GenerateOdexForTest(const std::string& dex_location,
53                            const std::string& odex_location,
54                            CompilerFilter::Filter filter,
55                            const char* compilation_reason = nullptr,
56                           const std::vector<std::string>& extra_args = {});
57 
58   // Generate an oat file for the given dex location in its oat location (under
59   // the dalvik cache).
60   void GenerateOatForTest(const char* dex_location,
61                           CompilerFilter::Filter filter,
62                           bool with_alternate_image);
63 
64   // Generate a standard oat file in the oat location.
65   void GenerateOatForTest(const char* dex_location, CompilerFilter::Filter filter);
66 
67   bool Dex2Oat(const std::vector<std::string>& args, std::string* error_msg);
68 
69  private:
70   // Reserve memory around where the image will be loaded so other memory
71   // won't conflict when it comes time to load the image.
72   // This can be called with an already loaded image to reserve the space
73   // around it.
74   void ReserveImageSpace();
75 
76   // Reserve a chunk of memory for the image space in the given range.
77   // Only has effect for chunks with a positive number of bytes.
78   void ReserveImageSpaceChunk(uintptr_t start, uintptr_t end);
79 
80   // Unreserve any memory reserved by ReserveImageSpace. This should be called
81   // before the image is loaded.
82   void UnreserveImageSpace();
83 
84   std::vector<MemMap> image_reservation_;
85 };
86 
87 }  // namespace art
88 
89 #endif  // ART_RUNTIME_DEXOPT_TEST_H_
90