1 /* 2 * Copyright (C) 2015 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 #include <gtest/gtest.h> 18 19 #include "compiled_method_storage.h" 20 #include "compiled_method.h" 21 #include "compiler_driver.h" 22 #include "compiler_options.h" 23 #include "dex/verification_results.h" 24 25 namespace art { 26 27 TEST(CompiledMethodStorage, Deduplicate) { 28 CompilerOptions compiler_options; 29 VerificationResults verification_results(&compiler_options); 30 CompilerDriver driver(&compiler_options, 31 &verification_results, 32 Compiler::kOptimizing, 33 /* instruction_set_ */ kNone, 34 /* instruction_set_features */ nullptr, 35 /* image_classes */ nullptr, 36 /* compiled_classes */ nullptr, 37 /* compiled_methods */ nullptr, 38 /* thread_count */ 1u, 39 /* dump_stats */ false, 40 /* dump_passes */ false, 41 /* timer */ nullptr, 42 /* swap_fd */ -1, 43 /* profile_compilation_info */ nullptr); 44 CompiledMethodStorage* storage = driver.GetCompiledMethodStorage(); 45 46 ASSERT_TRUE(storage->DedupeEnabled()); // The default. 47 48 const uint8_t raw_code1[] = { 1u, 2u, 3u }; 49 const uint8_t raw_code2[] = { 4u, 3u, 2u, 1u }; 50 ArrayRef<const uint8_t> code[] = { 51 ArrayRef<const uint8_t>(raw_code1), 52 ArrayRef<const uint8_t>(raw_code2), 53 }; 54 const uint8_t raw_method_info_map1[] = { 1u, 2u, 3u, 4u, 5u, 6u }; 55 const uint8_t raw_method_info_map2[] = { 8u, 7u, 6u, 5u, 4u, 3u, 2u, 1u }; 56 ArrayRef<const uint8_t> method_info[] = { 57 ArrayRef<const uint8_t>(raw_method_info_map1), 58 ArrayRef<const uint8_t>(raw_method_info_map2), 59 }; 60 const uint8_t raw_vmap_table1[] = { 2, 4, 6 }; 61 const uint8_t raw_vmap_table2[] = { 7, 5, 3, 1 }; 62 ArrayRef<const uint8_t> vmap_table[] = { 63 ArrayRef<const uint8_t>(raw_vmap_table1), 64 ArrayRef<const uint8_t>(raw_vmap_table2), 65 }; 66 const uint8_t raw_cfi_info1[] = { 1, 3, 5 }; 67 const uint8_t raw_cfi_info2[] = { 8, 6, 4, 2 }; 68 ArrayRef<const uint8_t> cfi_info[] = { 69 ArrayRef<const uint8_t>(raw_cfi_info1), 70 ArrayRef<const uint8_t>(raw_cfi_info2), 71 }; 72 const LinkerPatch raw_patches1[] = { 73 LinkerPatch::CodePatch(0u, nullptr, 1u), 74 LinkerPatch::MethodPatch(4u, nullptr, 1u), 75 }; 76 const LinkerPatch raw_patches2[] = { 77 LinkerPatch::CodePatch(0u, nullptr, 1u), 78 LinkerPatch::MethodPatch(4u, nullptr, 2u), 79 }; 80 ArrayRef<const LinkerPatch> patches[] = { 81 ArrayRef<const LinkerPatch>(raw_patches1), 82 ArrayRef<const LinkerPatch>(raw_patches2), 83 }; 84 85 std::vector<CompiledMethod*> compiled_methods; 86 compiled_methods.reserve(1u << 7); 87 for (auto&& c : code) { 88 for (auto&& s : method_info) { 89 for (auto&& v : vmap_table) { 90 for (auto&& f : cfi_info) { 91 for (auto&& p : patches) { 92 compiled_methods.push_back(CompiledMethod::SwapAllocCompiledMethod( 93 &driver, kNone, c, 0u, 0u, 0u, s, v, f, p)); 94 } 95 } 96 } 97 } 98 } 99 constexpr size_t code_bit = 1u << 4; 100 constexpr size_t src_map_bit = 1u << 3; 101 constexpr size_t vmap_table_bit = 1u << 2; 102 constexpr size_t cfi_info_bit = 1u << 1; 103 constexpr size_t patches_bit = 1u << 0; 104 CHECK_EQ(compiled_methods.size(), 1u << 5); 105 for (size_t i = 0; i != compiled_methods.size(); ++i) { 106 for (size_t j = 0; j != compiled_methods.size(); ++j) { 107 CompiledMethod* lhs = compiled_methods[i]; 108 CompiledMethod* rhs = compiled_methods[j]; 109 bool same_code = ((i ^ j) & code_bit) == 0u; 110 bool same_src_map = ((i ^ j) & src_map_bit) == 0u; 111 bool same_vmap_table = ((i ^ j) & vmap_table_bit) == 0u; 112 bool same_cfi_info = ((i ^ j) & cfi_info_bit) == 0u; 113 bool same_patches = ((i ^ j) & patches_bit) == 0u; 114 ASSERT_EQ(same_code, lhs->GetQuickCode().data() == rhs->GetQuickCode().data()) 115 << i << " " << j; 116 ASSERT_EQ(same_src_map, lhs->GetMethodInfo().data() == rhs->GetMethodInfo().data()) 117 << i << " " << j; 118 ASSERT_EQ(same_vmap_table, lhs->GetVmapTable().data() == rhs->GetVmapTable().data()) 119 << i << " " << j; 120 ASSERT_EQ(same_cfi_info, lhs->GetCFIInfo().data() == rhs->GetCFIInfo().data()) 121 << i << " " << j; 122 ASSERT_EQ(same_patches, lhs->GetPatches().data() == rhs->GetPatches().data()) 123 << i << " " << j; 124 } 125 } 126 for (CompiledMethod* method : compiled_methods) { 127 CompiledMethod::ReleaseSwapAllocatedCompiledMethod(&driver, method); 128 } 129 } 130 131 } // namespace art 132
