| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include "compiled_method_storage.h" |
| #include "compiled_method.h" |
| #include "compiler_driver.h" |
| #include "compiler_options.h" |
| #include "dex/verification_results.h" |
| #include "dex/quick/dex_file_to_method_inliner_map.h" |
| |
| namespace art { |
| |
| TEST(CompiledMethodStorage, Deduplicate) { |
| CompilerOptions compiler_options; |
| VerificationResults verification_results(&compiler_options); |
| DexFileToMethodInlinerMap method_inliner_map; |
| CompilerDriver driver(&compiler_options, |
| &verification_results, |
| &method_inliner_map, |
| Compiler::kOptimizing, |
| /* instruction_set_ */ kNone, |
| /* instruction_set_features */ nullptr, |
| /* boot_image */ false, |
| /* image_classes */ nullptr, |
| /* compiled_classes */ nullptr, |
| /* compiled_methods */ nullptr, |
| /* thread_count */ 1u, |
| /* dump_stats */ false, |
| /* dump_passes */ false, |
| /* timer */ nullptr, |
| /* swap_fd */ -1, |
| /* profile_compilation_info */ nullptr); |
| CompiledMethodStorage* storage = driver.GetCompiledMethodStorage(); |
| |
| ASSERT_TRUE(storage->DedupeEnabled()); // The default. |
| |
| const uint8_t raw_code1[] = { 1u, 2u, 3u }; |
| const uint8_t raw_code2[] = { 4u, 3u, 2u, 1u }; |
| ArrayRef<const uint8_t> code[] = { |
| ArrayRef<const uint8_t>(raw_code1), |
| ArrayRef<const uint8_t>(raw_code2), |
| }; |
| const SrcMapElem raw_src_map1[] = { { 1u, 2u }, { 3u, 4u }, { 5u, 6u } }; |
| const SrcMapElem raw_src_map2[] = { { 8u, 7u }, { 6u, 5u }, { 4u, 3u }, { 2u, 1u } }; |
| ArrayRef<const SrcMapElem> src_map[] = { |
| ArrayRef<const SrcMapElem>(raw_src_map1), |
| ArrayRef<const SrcMapElem>(raw_src_map2), |
| }; |
| const uint8_t raw_mapping_table1[] = { 5, 6, 7 }; |
| const uint8_t raw_mapping_table2[] = { 7, 6, 5, 4 }; |
| ArrayRef<const uint8_t> mapping_table[] = { |
| ArrayRef<const uint8_t>(raw_mapping_table1), |
| ArrayRef<const uint8_t>(raw_mapping_table2), |
| }; |
| const uint8_t raw_vmap_table1[] = { 2, 4, 6 }; |
| const uint8_t raw_vmap_table2[] = { 7, 5, 3, 1 }; |
| ArrayRef<const uint8_t> vmap_table[] = { |
| ArrayRef<const uint8_t>(raw_vmap_table1), |
| ArrayRef<const uint8_t>(raw_vmap_table2), |
| }; |
| const uint8_t raw_gc_map1[] = { 9, 8, 7 }; |
| const uint8_t raw_gc_map2[] = { 6, 7, 8, 9 }; |
| ArrayRef<const uint8_t> gc_map[] = { |
| ArrayRef<const uint8_t>(raw_gc_map1), |
| ArrayRef<const uint8_t>(raw_gc_map2), |
| }; |
| const uint8_t raw_cfi_info1[] = { 1, 3, 5 }; |
| const uint8_t raw_cfi_info2[] = { 8, 6, 4, 2 }; |
| ArrayRef<const uint8_t> cfi_info[] = { |
| ArrayRef<const uint8_t>(raw_cfi_info1), |
| ArrayRef<const uint8_t>(raw_cfi_info2), |
| }; |
| const LinkerPatch raw_patches1[] = { |
| LinkerPatch::CodePatch(0u, nullptr, 1u), |
| LinkerPatch::MethodPatch(4u, nullptr, 1u), |
| }; |
| const LinkerPatch raw_patches2[] = { |
| LinkerPatch::CodePatch(0u, nullptr, 1u), |
| LinkerPatch::MethodPatch(4u, nullptr, 2u), |
| }; |
| ArrayRef<const LinkerPatch> patches[] = { |
| ArrayRef<const LinkerPatch>(raw_patches1), |
| ArrayRef<const LinkerPatch>(raw_patches2), |
| }; |
| |
| std::vector<CompiledMethod*> compiled_methods; |
| compiled_methods.reserve(1u << 7); |
| for (auto&& c : code) { |
| for (auto&& s : src_map) { |
| for (auto&& m : mapping_table) { |
| for (auto&& v : vmap_table) { |
| for (auto&& g : gc_map) { |
| for (auto&& f : cfi_info) { |
| for (auto&& p : patches) { |
| compiled_methods.push_back(CompiledMethod::SwapAllocCompiledMethod( |
| &driver, kNone, c, 0u, 0u, 0u, s, m, v, g, f, p)); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| constexpr size_t code_bit = 1u << 6; |
| constexpr size_t src_map_bit = 1u << 5; |
| constexpr size_t mapping_table_bit = 1u << 4; |
| constexpr size_t vmap_table_bit = 1u << 3; |
| constexpr size_t gc_map_bit = 1u << 2; |
| constexpr size_t cfi_info_bit = 1u << 1; |
| constexpr size_t patches_bit = 1u << 0; |
| CHECK_EQ(compiled_methods.size(), 1u << 7); |
| for (size_t i = 0; i != compiled_methods.size(); ++i) { |
| for (size_t j = 0; j != compiled_methods.size(); ++j) { |
| CompiledMethod* lhs = compiled_methods[i]; |
| CompiledMethod* rhs = compiled_methods[j]; |
| bool same_code = ((i ^ j) & code_bit) == 0u; |
| bool same_src_map = ((i ^ j) & src_map_bit) == 0u; |
| bool same_mapping_table = ((i ^ j) & mapping_table_bit) == 0u; |
| bool same_vmap_table = ((i ^ j) & vmap_table_bit) == 0u; |
| bool same_gc_map = ((i ^ j) & gc_map_bit) == 0u; |
| bool same_cfi_info = ((i ^ j) & cfi_info_bit) == 0u; |
| bool same_patches = ((i ^ j) & patches_bit) == 0u; |
| ASSERT_EQ(same_code, lhs->GetQuickCode().data() == rhs->GetQuickCode().data()) |
| << i << " " << j; |
| ASSERT_EQ(same_src_map, lhs->GetSrcMappingTable().data() == rhs->GetSrcMappingTable().data()) |
| << i << " " << j; |
| ASSERT_EQ(same_mapping_table, lhs->GetMappingTable().data() == rhs->GetMappingTable().data()) |
| << i << " " << j; |
| ASSERT_EQ(same_vmap_table, lhs->GetVmapTable().data() == rhs->GetVmapTable().data()) |
| << i << " " << j; |
| ASSERT_EQ(same_gc_map, lhs->GetGcMap().data() == rhs->GetGcMap().data()) |
| << i << " " << j; |
| ASSERT_EQ(same_cfi_info, lhs->GetCFIInfo().data() == rhs->GetCFIInfo().data()) |
| << i << " " << j; |
| ASSERT_EQ(same_patches, lhs->GetPatches().data() == rhs->GetPatches().data()) |
| << i << " " << j; |
| } |
| } |
| for (CompiledMethod* method : compiled_methods) { |
| CompiledMethod::ReleaseSwapAllocatedCompiledMethod(&driver, method); |
| } |
| } |
| |
| } // namespace art |
