55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <unwindstack/Maps.h>
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#include <unwindstack/Regs.h>
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#include "thread_tree.h"
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namespace simpleperf {
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class UnwindMaps : public unwindstack::Maps {
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public:
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void UpdateMaps(const MapSet& map_set);
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private:
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uint64_t version_ = 0u;
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std::vector<const MapEntry*> entries_;
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};
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class OfflineUnwinderImpl : public OfflineUnwinder {
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public:
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OfflineUnwinderImpl(bool collect_stat) : collect_stat_(collect_stat) {
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unwindstack::Elf::SetCachingEnabled(true);
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}
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bool UnwindCallChain(const ThreadEntry& thread, const RegSet& regs, const char* stack,
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size_t stack_size, std::vector<uint64_t>* ips,
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std::vector<uint64_t>* sps) override;
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void LoadMetaInfo(const std::unordered_map<std::string, std::string>& info_map) override;
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unwindstack::Regs* GetBacktraceRegs(const RegSet& regs);
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private:
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bool collect_stat_;
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std::unordered_map<pid_t, UnwindMaps> cached_maps_;
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uint64_t arm64_pac_mask_ = 0;
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};
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} // namespace simpleperf
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