1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SHELL_AS_ELF_H_
18 #define SHELL_AS_ELF_H_
19 
20 #include <sys/types.h>
21 
22 namespace shell_as {
23 
24 // Sets entry_address to the process's entry point.
25 //
26 // This method assumes that PIE binaries are executing with ADDR_NO_RANDOMIZE.
27 //
28 // The is_arm_mode flag is set to true IFF the architecture is 32bit ARM and the
29 // expected instruction set for code located at the entry address is not-thumb.
30 // It is false for all other cases.
31 bool GetElfEntryPoint(const pid_t process_id, uint64_t* entry_address,
32                       bool* is_arm_mode);
33 }  // namespace shell_as
34 
35 #endif  // SHELL_AS_ELF_H_
36