c71e0a652c
This uses an experimental Linux kernel API for reading the tags across processes using ptrace. Bug: 135772972 Test: Unit tests pass. Change-Id: Ib1a09d9219166011de80cf250b756bb8a4bcdb0a
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
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* Copyright (C) 2019 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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#ifndef _LIBUNWINDSTACK_MEMORY_REMOTE_H
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#define _LIBUNWINDSTACK_MEMORY_REMOTE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <atomic>
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#include <unwindstack/Memory.h>
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namespace unwindstack {
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class MemoryRemote : public Memory {
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public:
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MemoryRemote(pid_t pid) : pid_(pid), read_redirect_func_(0) {}
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virtual ~MemoryRemote() = default;
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size_t Read(uint64_t addr, void* dst, size_t size) override;
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long ReadTag(uint64_t addr) override;
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pid_t pid() { return pid_; }
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private:
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pid_t pid_;
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std::atomic_uintptr_t read_redirect_func_;
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};
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} // namespace unwindstack
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#endif // _LIBUNWINDSTACK_MEMORY_REMOTE_H
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