crashpad/snapshot/fuchsia/memory_map_fuchsia.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

65 lines
2.3 KiB
C++

// Copyright 2018 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_SNAPSHOT_FUCHSIA_MEMORY_MAP_FUCHSIA_H_
#define CRASHPAD_SNAPSHOT_FUCHSIA_MEMORY_MAP_FUCHSIA_H_
#include <lib/zx/process.h>
#include <zircon/syscalls/object.h>
#include <vector>
#include "util/misc/initialization_state_dcheck.h"
namespace crashpad {
//! \brief A list of mappings in the address space of a Fuchsia process.
class MemoryMapFuchsia {
public:
MemoryMapFuchsia();
MemoryMapFuchsia(const MemoryMapFuchsia&) = delete;
MemoryMapFuchsia& operator=(const MemoryMapFuchsia&) = delete;
~MemoryMapFuchsia();
//! \brief Initializes this object with information about the mapped memory
//! regions in the given process.
//!
//! \return `true` on success, or `false`, with an error logged.
bool Initialize(const zx::process& process);
//! \brief Searches through the previously retrieved memory map for the given
//! address. If found, returns the deepest `zx_info_maps_t` mapping that
//! contains \a address.
//!
//! \param[in] address The address to locate.
//! \param[out] map The `zx_info_maps_t` data corresponding to the address.
//! \return `true` if a mapping for \a address was found, in which case \a map
//! will be filled out, otherwise `false` and \a map will be unchanged.
bool FindMappingForAddress(zx_vaddr_t address, zx_info_maps_t* map) const;
//! \brief Get a vector of `zx_info_maps_t` representing the memory map for
//! this process.
const std::vector<zx_info_maps_t>& Entries() const { return map_entries_; }
private:
std::vector<zx_info_maps_t> map_entries_;
InitializationStateDcheck initialized_;
};
} // namespace crashpad
#endif // CRASHPAD_SNAPSHOT_FUCHSIA_MEMORY_MAP_FUCHSIA_H_