63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
|
/*
|
||
|
|
* Copyright (C) 2016 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _LIBUNWINDSTACK_MEMORY_H
|
||
|
|
#define _LIBUNWINDSTACK_MEMORY_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
namespace unwindstack {
|
||
|
|
|
||
|
|
class Memory {
|
||
|
|
public:
|
||
|
|
Memory() = default;
|
||
|
|
virtual ~Memory() = default;
|
||
|
|
|
||
|
|
static std::shared_ptr<Memory> CreateProcessMemory(pid_t pid);
|
||
|
|
static std::shared_ptr<Memory> CreateProcessMemoryCached(pid_t pid);
|
||
|
|
static std::shared_ptr<Memory> CreateOfflineMemory(const uint8_t* data, uint64_t start,
|
||
|
|
uint64_t end);
|
||
|
|
static std::unique_ptr<Memory> CreateFileMemory(const std::string& path, uint64_t offset);
|
||
|
|
|
||
|
|
virtual bool ReadString(uint64_t addr, std::string* dst, size_t max_read);
|
||
|
|
|
||
|
|
virtual void Clear() {}
|
||
|
|
|
||
|
|
virtual bool IsLocal() const { return false; }
|
||
|
|
|
||
|
|
virtual size_t Read(uint64_t addr, void* dst, size_t size) = 0;
|
||
|
|
virtual long ReadTag(uint64_t) { return -1; }
|
||
|
|
|
||
|
|
bool ReadFully(uint64_t addr, void* dst, size_t size);
|
||
|
|
|
||
|
|
inline bool Read32(uint64_t addr, uint32_t* dst) {
|
||
|
|
return ReadFully(addr, dst, sizeof(uint32_t));
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool Read64(uint64_t addr, uint64_t* dst) {
|
||
|
|
return ReadFully(addr, dst, sizeof(uint64_t));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace unwindstack
|
||
|
|
|
||
|
|
#endif // _LIBUNWINDSTACK_MEMORY_H
|