| /* |
| * Copyright (C) 2011 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. |
| */ |
| |
| /* Process memory map. */ |
| |
| #ifndef _CORKSCREW_MAP_INFO_H |
| #define _CORKSCREW_MAP_INFO_H |
| |
| #include <sys/types.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct map_info { |
| struct map_info* next; |
| uintptr_t start; |
| uintptr_t end; |
| bool is_readable; |
| bool is_writable; |
| bool is_executable; |
| void* data; // arbitrary data associated with the map by the user, initially NULL |
| char name[]; |
| } map_info_t; |
| |
| /* Loads memory map from /proc/<tid>/maps. */ |
| map_info_t* load_map_info_list(pid_t tid); |
| |
| /* Frees memory map. */ |
| void free_map_info_list(map_info_t* milist); |
| |
| /* Finds the memory map that contains the specified address. */ |
| const map_info_t* find_map_info(const map_info_t* milist, uintptr_t addr); |
| |
| /* Returns true if the addr is in a readable map. */ |
| bool is_readable_map(const map_info_t* milist, uintptr_t addr); |
| /* Returns true if the addr is in a writable map. */ |
| bool is_writable_map(const map_info_t* milist, uintptr_t addr); |
| /* Returns true if the addr is in an executable map. */ |
| bool is_executable_map(const map_info_t* milist, uintptr_t addr); |
| |
| /* Acquires a reference to the memory map for this process. |
| * The result is cached and refreshed automatically. |
| * Make sure to release the map info when done. */ |
| map_info_t* acquire_my_map_info_list(); |
| |
| /* Releases a reference to the map info for this process that was |
| * previous acquired using acquire_my_map_info_list(). */ |
| void release_my_map_info_list(map_info_t* milist); |
| |
| /* Flushes the cached memory map so the next call to |
| * acquire_my_map_info_list() gets fresh data. */ |
| void flush_my_map_info_list(); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // _CORKSCREW_MAP_INFO_H |