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-rw-r--r--libunwindstack/DexFiles.cpp179
1 files changed, 0 insertions, 179 deletions
diff --git a/libunwindstack/DexFiles.cpp b/libunwindstack/DexFiles.cpp
deleted file mode 100644
index 63a77e50f..000000000
--- a/libunwindstack/DexFiles.cpp
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (C) 2018 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 <stdint.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <memory>
-
-#include <unwindstack/DexFiles.h>
-#include <unwindstack/MapInfo.h>
-#include <unwindstack/Maps.h>
-#include <unwindstack/Memory.h>
-
-#include "DexFile.h"
-
-namespace unwindstack {
-
-struct DEXFileEntry32 {
- uint32_t next;
- uint32_t prev;
- uint32_t dex_file;
-};
-
-struct DEXFileEntry64 {
- uint64_t next;
- uint64_t prev;
- uint64_t dex_file;
-};
-
-DexFiles::DexFiles(std::shared_ptr<Memory>& memory) : Global(memory) {}
-
-DexFiles::DexFiles(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs)
- : Global(memory, search_libs) {}
-
-DexFiles::~DexFiles() {}
-
-void DexFiles::ProcessArch() {
- switch (arch()) {
- case ARCH_ARM:
- case ARCH_MIPS:
- case ARCH_X86:
- read_entry_ptr_func_ = &DexFiles::ReadEntryPtr32;
- read_entry_func_ = &DexFiles::ReadEntry32;
- break;
-
- case ARCH_ARM64:
- case ARCH_MIPS64:
- case ARCH_X86_64:
- read_entry_ptr_func_ = &DexFiles::ReadEntryPtr64;
- read_entry_func_ = &DexFiles::ReadEntry64;
- break;
-
- case ARCH_UNKNOWN:
- abort();
- }
-}
-
-uint64_t DexFiles::ReadEntryPtr32(uint64_t addr) {
- uint32_t entry;
- const uint32_t field_offset = 12; // offset of first_entry_ in the descriptor struct.
- if (!memory_->ReadFully(addr + field_offset, &entry, sizeof(entry))) {
- return 0;
- }
- return entry;
-}
-
-uint64_t DexFiles::ReadEntryPtr64(uint64_t addr) {
- uint64_t entry;
- const uint32_t field_offset = 16; // offset of first_entry_ in the descriptor struct.
- if (!memory_->ReadFully(addr + field_offset, &entry, sizeof(entry))) {
- return 0;
- }
- return entry;
-}
-
-bool DexFiles::ReadEntry32() {
- DEXFileEntry32 entry;
- if (!memory_->ReadFully(entry_addr_, &entry, sizeof(entry)) || entry.dex_file == 0) {
- entry_addr_ = 0;
- return false;
- }
-
- addrs_.push_back(entry.dex_file);
- entry_addr_ = entry.next;
- return true;
-}
-
-bool DexFiles::ReadEntry64() {
- DEXFileEntry64 entry;
- if (!memory_->ReadFully(entry_addr_, &entry, sizeof(entry)) || entry.dex_file == 0) {
- entry_addr_ = 0;
- return false;
- }
-
- addrs_.push_back(entry.dex_file);
- entry_addr_ = entry.next;
- return true;
-}
-
-bool DexFiles::ReadVariableData(uint64_t ptr_offset) {
- entry_addr_ = (this->*read_entry_ptr_func_)(ptr_offset);
- return entry_addr_ != 0;
-}
-
-void DexFiles::Init(Maps* maps) {
- if (initialized_) {
- return;
- }
- initialized_ = true;
- entry_addr_ = 0;
-
- FindAndReadVariable(maps, "__dex_debug_descriptor");
-}
-
-DexFile* DexFiles::GetDexFile(uint64_t dex_file_offset, MapInfo* info) {
- // Lock while processing the data.
- DexFile* dex_file;
- auto entry = files_.find(dex_file_offset);
- if (entry == files_.end()) {
- std::unique_ptr<DexFile> new_dex_file = DexFile::Create(dex_file_offset, memory_.get(), info);
- dex_file = new_dex_file.get();
- files_[dex_file_offset] = std::move(new_dex_file);
- } else {
- dex_file = entry->second.get();
- }
- return dex_file;
-}
-
-bool DexFiles::GetAddr(size_t index, uint64_t* addr) {
- if (index < addrs_.size()) {
- *addr = addrs_[index];
- return true;
- }
- if (entry_addr_ != 0 && (this->*read_entry_func_)()) {
- *addr = addrs_.back();
- return true;
- }
- return false;
-}
-
-void DexFiles::GetMethodInformation(Maps* maps, MapInfo* info, uint64_t dex_pc,
- std::string* method_name, uint64_t* method_offset) {
- std::lock_guard<std::mutex> guard(lock_);
- if (!initialized_) {
- Init(maps);
- }
-
- size_t index = 0;
- uint64_t addr;
- while (GetAddr(index++, &addr)) {
- if (addr < info->start || addr >= info->end) {
- continue;
- }
-
- DexFile* dex_file = GetDexFile(addr, info);
- if (dex_file != nullptr &&
- dex_file->GetMethodInformation(dex_pc - addr, method_name, method_offset)) {
- break;
- }
- }
-}
-
-} // namespace unwindstack