crashpad/util/process/process_memory_linux.h
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

56 lines
1.7 KiB
C++

// Copyright 2017 The Crashpad Authors
//
// 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 CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_LINUX_H_
#define CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_LINUX_H_
#include <sys/types.h>
#include <functional>
#include <string>
#include "base/files/scoped_file.h"
#include "util/misc/address_types.h"
#include "util/process/process_memory.h"
namespace crashpad {
class PtraceConnection;
//! \brief Accesses the memory of another Linux process.
class ProcessMemoryLinux final : public ProcessMemory {
public:
explicit ProcessMemoryLinux(PtraceConnection* connection);
ProcessMemoryLinux(const ProcessMemoryLinux&) = delete;
ProcessMemoryLinux& operator=(const ProcessMemoryLinux&) = delete;
~ProcessMemoryLinux();
//! \brief Returns the input pointer with any non-addressing bits, such as
//! tags removed.
VMAddress PointerToAddress(VMAddress address) const;
private:
ssize_t ReadUpTo(VMAddress address, size_t size, void* buffer) const override;
std::function<ssize_t(VMAddress, size_t, void*)> read_up_to_;
base::ScopedFD mem_fd_;
bool ignore_top_byte_;
};
} // namespace crashpad
#endif // CRASHPAD_UTIL_PROCESS_PROCESS_MEMORY_LINUX_H_