1b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko/* 2b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * Copyright (C) 2015 The Android Open Source Project 3b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * 4b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * Licensed under the Apache License, Version 2.0 (the "License"); 5b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * you may not use this file except in compliance with the License. 6b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * You may obtain a copy of the License at 7b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * 8b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * http://www.apache.org/licenses/LICENSE-2.0 9b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * 10b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * Unless required by applicable law or agreed to in writing, software 11b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * distributed under the License is distributed on an "AS IS" BASIS, 12b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * See the License for the specific language governing permissions and 14b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko * limitations under the License. 15b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko */ 16b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 17b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#ifndef ART_COMPILER_LINKER_RELATIVE_PATCHER_TEST_H_ 18b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#define ART_COMPILER_LINKER_RELATIVE_PATCHER_TEST_H_ 19b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 20b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "arch/instruction_set.h" 21b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "arch/instruction_set_features.h" 22b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "base/macros.h" 23b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "compiled_method.h" 24b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "dex/quick/dex_file_to_method_inliner_map.h" 25b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "dex/verification_results.h" 26b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "driver/compiler_driver.h" 27b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "driver/compiler_options.h" 28b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "globals.h" 29b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "gtest/gtest.h" 30b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "linker/relative_patcher.h" 31b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "method_reference.h" 32b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "oat.h" 33524e7ea8cd17bad17bd9f3e0ccbb19ad0d4d9c02Nicolas Geoffray#include "oat_quick_method_header.h" 34b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "utils/array_ref.h" 35b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#include "vector_output_stream.h" 36b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 37b163bb742a099c1808907b513ae39068b63b1692Vladimir Markonamespace art { 38b163bb742a099c1808907b513ae39068b63b1692Vladimir Markonamespace linker { 39b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 40b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko// Base class providing infrastructure for architecture-specific tests. 41b163bb742a099c1808907b513ae39068b63b1692Vladimir Markoclass RelativePatcherTest : public testing::Test { 42b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko protected: 43b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko RelativePatcherTest(InstructionSet instruction_set, const std::string& variant) 44b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko : compiler_options_(), 45b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko verification_results_(&compiler_options_), 46b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko inliner_map_(), 47944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko driver_(&compiler_options_, 48944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko &verification_results_, 49944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko &inliner_map_, 50944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko Compiler::kQuick, 51944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko instruction_set, 52944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* instruction_set_features*/ nullptr, 53944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* boot_image */ false, 54cdca476bf3394ce9d97a369e84e701b427009318Mathieu Chartier /* app_image */ false, 55944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* image_classes */ nullptr, 56944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* compiled_classes */ nullptr, 57944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* compiled_methods */ nullptr, 58944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* thread_count */ 1u, 59944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* dump_stats */ false, 60944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* dump_passes */ false, 61944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* timer */ nullptr, 62944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* swap_fd */ -1, 63944da603cde59a4277f3bbc31d860a90842a1a2aVladimir Marko /* profile_compilation_info */ nullptr), 64b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko error_msg_(), 65b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko instruction_set_(instruction_set), 66b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko features_(InstructionSetFeatures::FromVariant(instruction_set, variant, &error_msg_)), 67b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko method_offset_map_(), 68b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko patcher_(RelativePatcher::Create(instruction_set, features_.get(), &method_offset_map_)), 69b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko dex_cache_arrays_begin_(0u), 70b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko compiled_method_refs_(), 71b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko compiled_methods_(), 72b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko patched_code_(), 73b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko output_(), 74b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko out_("test output stream", &output_) { 75b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK(error_msg_.empty()) << instruction_set << "/" << variant; 76b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko patched_code_.reserve(16 * KB); 77b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 78b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 79b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko MethodReference MethodRef(uint32_t method_idx) { 804d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko CHECK_NE(method_idx, 0u); 81b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko return MethodReference(nullptr, method_idx); 82b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 83b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 84b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko void AddCompiledMethod(MethodReference method_ref, 85b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko const ArrayRef<const uint8_t>& code, 86b207e1473dda1730604a28db2b4fa52f2998aeaeVladimir Marko const ArrayRef<const LinkerPatch>& patches) { 87b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko compiled_method_refs_.push_back(method_ref); 88b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko compiled_methods_.emplace_back(new CompiledMethod( 899d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko &driver_, 909d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko instruction_set_, 919d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko code, 929d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko /* frame_size_in_bytes */ 0u, 939d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko /* core_spill_mask */ 0u, 949d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko /* fp_spill_mask */ 0u, 959d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko /* src_mapping_table */ ArrayRef<const SrcMapElem>(), 969d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko /* vmap_table */ ArrayRef<const uint8_t>(), 979d07e3d128ccfa0ef7670feadd424a825e447d1dVladimir Marko /* cfi_info */ ArrayRef<const uint8_t>(), 98b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko patches)); 99b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 100b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 101b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko void Link() { 102b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko // Reserve space. 103b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko static_assert(kTrampolineOffset == 0u, "Unexpected trampoline offset."); 104b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t offset = kTrampolineSize; 105b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko size_t idx = 0u; 106b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko for (auto& compiled_method : compiled_methods_) { 1074d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko offset = patcher_->ReserveSpace(offset, compiled_method.get(), compiled_method_refs_[idx]); 108b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 109b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t aligned_offset = compiled_method->AlignCode(offset); 110b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t aligned_code_delta = aligned_offset - offset; 111b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset += aligned_code_delta; 112b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 113b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset += sizeof(OatQuickMethodHeader); 114b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t quick_code_offset = offset + compiled_method->CodeDelta(); 11535831e8bfa1c0944d4c978d99c4c5b9577945170Vladimir Marko const auto code = compiled_method->GetQuickCode(); 116b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset += code.size(); 117b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 118b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko method_offset_map_.map.Put(compiled_method_refs_[idx], quick_code_offset); 119b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko ++idx; 120b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 12171b0ddf988208c9f77e7d2c1e75066cc3fe20c61Vladimir Marko offset = patcher_->ReserveSpaceEnd(offset); 122b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t output_size = offset; 123b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko output_.reserve(output_size); 124b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 125b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko // Write data. 126b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko DCHECK(output_.empty()); 127b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint8_t dummy_trampoline[kTrampolineSize]; 128b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko memset(dummy_trampoline, 0, sizeof(dummy_trampoline)); 129b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko out_.WriteFully(dummy_trampoline, kTrampolineSize); 130b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset = kTrampolineSize; 131b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko static const uint8_t kPadding[] = { 132b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u 133b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko }; 134b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint8_t dummy_header[sizeof(OatQuickMethodHeader)]; 135b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko memset(dummy_header, 0, sizeof(dummy_header)); 136b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko for (auto& compiled_method : compiled_methods_) { 137b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset = patcher_->WriteThunks(&out_, offset); 138b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 139b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t aligned_offset = compiled_method->AlignCode(offset); 140b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t aligned_code_delta = aligned_offset - offset; 141b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK_LE(aligned_code_delta, sizeof(kPadding)); 142b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko out_.WriteFully(kPadding, aligned_code_delta); 143b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset += aligned_code_delta; 144b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 145b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko out_.WriteFully(dummy_header, sizeof(OatQuickMethodHeader)); 146b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset += sizeof(OatQuickMethodHeader); 14735831e8bfa1c0944d4c978d99c4c5b9577945170Vladimir Marko ArrayRef<const uint8_t> code = compiled_method->GetQuickCode(); 148b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko if (!compiled_method->GetPatches().empty()) { 149b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko patched_code_.assign(code.begin(), code.end()); 150b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko code = ArrayRef<const uint8_t>(patched_code_); 151b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko for (const LinkerPatch& patch : compiled_method->GetPatches()) { 152db8e62dca9232634daecb548bd51f3186004535cVladimir Marko if (patch.GetType() == LinkerPatch::Type::kCallRelative) { 153b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko auto result = method_offset_map_.FindMethodOffset(patch.TargetMethod()); 154b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t target_offset = 155b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko result.first ? result.second : kTrampolineOffset + compiled_method->CodeDelta(); 156b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko patcher_->PatchCall(&patched_code_, patch.LiteralOffset(), 157b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset + patch.LiteralOffset(), target_offset); 158db8e62dca9232634daecb548bd51f3186004535cVladimir Marko } else if (patch.GetType() == LinkerPatch::Type::kDexCacheArray) { 159b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t target_offset = dex_cache_arrays_begin_ + patch.TargetDexCacheElementOffset(); 160cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko patcher_->PatchPcRelativeReference(&patched_code_, 161cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko patch, 162cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko offset + patch.LiteralOffset(), 163cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko target_offset); 164db8e62dca9232634daecb548bd51f3186004535cVladimir Marko } else if (patch.GetType() == LinkerPatch::Type::kStringRelative) { 165cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko uint32_t target_offset = string_index_to_offset_map_.Get(patch.TargetStringIndex()); 166cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko patcher_->PatchPcRelativeReference(&patched_code_, 167cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko patch, 168cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko offset + patch.LiteralOffset(), 169cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko target_offset); 170b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } else { 171db8e62dca9232634daecb548bd51f3186004535cVladimir Marko LOG(FATAL) << "Bad patch type. " << patch.GetType(); 172cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko UNREACHABLE(); 173b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 174b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 175b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 176b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko out_.WriteFully(&code[0], code.size()); 177b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset += code.size(); 178b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 179b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko offset = patcher_->WriteThunks(&out_, offset); 180b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK_EQ(offset, output_size); 181b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK_EQ(output_.size(), output_size); 182b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 183b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 184b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko bool CheckLinkedMethod(MethodReference method_ref, const ArrayRef<const uint8_t>& expected_code) { 185b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko // Sanity check: original code size must match linked_code.size(). 186b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko size_t idx = 0u; 187b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko for (auto ref : compiled_method_refs_) { 188b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko if (ref.dex_file == method_ref.dex_file && 189b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko ref.dex_method_index == method_ref.dex_method_index) { 190b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko break; 191b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 192b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko ++idx; 193b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 194b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK_NE(idx, compiled_method_refs_.size()); 19535831e8bfa1c0944d4c978d99c4c5b9577945170Vladimir Marko CHECK_EQ(compiled_methods_[idx]->GetQuickCode().size(), expected_code.size()); 196b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 197b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko auto result = method_offset_map_.FindMethodOffset(method_ref); 198b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK(result.first); // Must have been linked. 1994d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko size_t offset = result.second - compiled_methods_[idx]->CodeDelta(); 200b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK_LT(offset, output_.size()); 201b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK_LE(offset + expected_code.size(), output_.size()); 202b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko ArrayRef<const uint8_t> linked_code(&output_[offset], expected_code.size()); 203b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko if (linked_code == expected_code) { 204b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko return true; 205b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 206b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko // Log failure info. 2074d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko DumpDiff(expected_code, linked_code); 2084d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko return false; 2094d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko } 2104d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko 2114d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko void DumpDiff(const ArrayRef<const uint8_t>& expected_code, 2124d23c9d01b7a609813345eec95167a4dbc4fbae4Vladimir Marko const ArrayRef<const uint8_t>& linked_code) { 213b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::ostringstream expected_hex; 214b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::ostringstream linked_hex; 215b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::ostringstream diff_indicator; 216b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko static const char digits[] = "0123456789abcdef"; 217b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko bool found_diff = false; 218b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko for (size_t i = 0; i != expected_code.size(); ++i) { 219b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko expected_hex << " " << digits[expected_code[i] >> 4] << digits[expected_code[i] & 0xf]; 220b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko linked_hex << " " << digits[linked_code[i] >> 4] << digits[linked_code[i] & 0xf]; 221b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko if (!found_diff) { 222b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko found_diff = (expected_code[i] != linked_code[i]); 2233f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko diff_indicator << (found_diff ? " ^^" : " "); 224b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 225b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 226b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CHECK(found_diff); 2273f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko std::string expected_hex_str = expected_hex.str(); 2283f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko std::string linked_hex_str = linked_hex.str(); 2293f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko std::string diff_indicator_str = diff_indicator.str(); 2303f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko if (diff_indicator_str.length() > 60) { 2313f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko CHECK_EQ(diff_indicator_str.length() % 3u, 0u); 2323f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko size_t remove = diff_indicator_str.length() / 3 - 5; 2333f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko std::ostringstream oss; 2343f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko oss << "[stripped " << remove << "]"; 2353f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko std::string replacement = oss.str(); 2363f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko expected_hex_str.replace(0u, remove * 3u, replacement); 2373f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko linked_hex_str.replace(0u, remove * 3u, replacement); 2383f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko diff_indicator_str.replace(0u, remove * 3u, replacement); 2393f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko } 240b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko LOG(ERROR) << "diff expected_code linked_code"; 2413f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko LOG(ERROR) << "<" << expected_hex_str; 2423f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko LOG(ERROR) << ">" << linked_hex_str; 2433f311cfa86af18ccbd6f1607f037401244ad4d56Vladimir Marko LOG(ERROR) << " " << diff_indicator_str; 244b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 245b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 246b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko // Map method reference to assinged offset. 247b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko // Wrap the map in a class implementing linker::RelativePatcherTargetProvider. 248b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko class MethodOffsetMap FINAL : public linker::RelativePatcherTargetProvider { 249b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko public: 250b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::pair<bool, uint32_t> FindMethodOffset(MethodReference ref) OVERRIDE { 251b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko auto it = map.find(ref); 252b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko if (it == map.end()) { 253b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko return std::pair<bool, uint32_t>(false, 0u); 254b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } else { 255b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko return std::pair<bool, uint32_t>(true, it->second); 256b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 257b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko } 258b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko SafeMap<MethodReference, uint32_t, MethodReferenceComparator> map; 259b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko }; 260b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 261b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko static const uint32_t kTrampolineSize = 4u; 262b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko static const uint32_t kTrampolineOffset = 0u; 263b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 264b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CompilerOptions compiler_options_; 265b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko VerificationResults verification_results_; 266b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko DexFileToMethodInlinerMap inliner_map_; 267b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko CompilerDriver driver_; // Needed for constructing CompiledMethod. 268b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::string error_msg_; 269b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko InstructionSet instruction_set_; 270b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::unique_ptr<const InstructionSetFeatures> features_; 271b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko MethodOffsetMap method_offset_map_; 272b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::unique_ptr<RelativePatcher> patcher_; 273b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko uint32_t dex_cache_arrays_begin_; 274cac5a7e871f1f346b317894359ad06fa7bd67fbaVladimir Marko SafeMap<uint32_t, uint32_t> string_index_to_offset_map_; 275b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::vector<MethodReference> compiled_method_refs_; 276b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::vector<std::unique_ptr<CompiledMethod>> compiled_methods_; 277b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::vector<uint8_t> patched_code_; 278b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko std::vector<uint8_t> output_; 279b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko VectorOutputStream out_; 280b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko}; 281b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 282b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko} // namespace linker 283b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko} // namespace art 284b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko 285b163bb742a099c1808907b513ae39068b63b1692Vladimir Marko#endif // ART_COMPILER_LINKER_RELATIVE_PATCHER_TEST_H_ 286