| // Copyright 2018 The Crashpad Authors. All rights reserved. |
| // |
| // 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(); |
| |
| //! \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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MemoryMapFuchsia); |
| }; |
| |
| } // namespace crashpad |
| |
| #endif // CRASHPAD_SNAPSHOT_FUCHSIA_MEMORY_MAP_FUCHSIA_H_ |