1 /*
2  * Copyright 2021, 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 #pragma once
18 
19 #include <stdint.h>
20 
21 // Only support V1 of these structures.
22 // See https://sourceware.org/gdb/onlinedocs/gdb/JIT-Interface.html
23 // for information on the JIT Compilation Interface.
24 // Also, see libunwindstack/GlobalDebugImpl.h for the full definition of
25 // these structures.
26 struct JITCodeEntry {
27   uintptr_t next;
28   uintptr_t prev;
29   uintptr_t symfile_addr;
30   uint64_t symfile_size;
31 };
32 
33 struct JITDescriptor {
34   uint32_t version;
35   uint32_t action_flag;
36   uintptr_t relevant_entry;
37   uintptr_t first_entry;
38 };
39