1 /*
2  * Copyright (C) 2014 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 ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_H_
18 #define ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_H_
19 
20 #include "asm_support.h"
21 
22 // Note: these callee save methods loads require read barriers.
23 // Offset of field Runtime::callee_save_methods_[kSaveAll] verified in InitCpu
24 #define RUNTIME_SAVE_ALL_CALLEE_SAVE_FRAME_OFFSET 0
25 // Offset of field Runtime::callee_save_methods_[kRefsOnly] verified in InitCpu
26 #define RUNTIME_REFS_ONLY_CALLEE_SAVE_FRAME_OFFSET 8
27 // Offset of field Runtime::callee_save_methods_[kRefsAndArgs] verified in InitCpu
28 #define RUNTIME_REF_AND_ARGS_CALLEE_SAVE_FRAME_OFFSET 16
29 
30 // Offset of field Thread::suspend_count_
31 #define THREAD_FLAGS_OFFSET 0
32 // Offset of field Thread::card_table_
33 #define THREAD_CARD_TABLE_OFFSET 120
34 // Offset of field Thread::exception_
35 #define THREAD_EXCEPTION_OFFSET 128
36 // Offset of field Thread::thin_lock_thread_id_
37 #define THREAD_ID_OFFSET 12
38 
39 #define FRAME_SIZE_SAVE_ALL_CALLEE_SAVE 176
40 #define FRAME_SIZE_REFS_ONLY_CALLEE_SAVE 96
41 #define FRAME_SIZE_REFS_AND_ARGS_CALLEE_SAVE 224
42 
43 // Expected size of a heap reference
44 #define HEAP_REFERENCE_SIZE 4
45 // Expected size of a stack reference
46 #define STACK_REFERENCE_SIZE 4
47 
48 #endif  // ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_H_
49