/* * 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_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 an readable map. */ bool is_readable_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); #ifdef __cplusplus } #endif #endif // _CORKSCREW_MAP_INFO_H