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 #define CALLEE_SAVES_SIZE (12 * 8 + 8 * 8)
23 // +8 for the ArtMethod, +8 for alignment.
24 #define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES (CALLEE_SAVES_SIZE + 16)
25 #define FRAME_SIZE_SAVE_REFS_ONLY 96
26 #define FRAME_SIZE_SAVE_REFS_AND_ARGS 224
27 #define FRAME_SIZE_SAVE_EVERYTHING 512
28 #define FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT FRAME_SIZE_SAVE_EVERYTHING
29 #define FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK FRAME_SIZE_SAVE_EVERYTHING
30 
31 // The offset from art_quick_read_barrier_mark_introspection to the array switch cases,
32 // i.e. art_quick_read_barrier_mark_introspection_arrays.
33 #define BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 0x100
34 // The offset from art_quick_read_barrier_mark_introspection to the GC root entrypoint,
35 // i.e. art_quick_read_barrier_mark_introspection_gc_roots.
36 #define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRYPOINT_OFFSET 0x300
37 
38 // The offset of the reference load LDR from the return address in LR for field loads.
39 #ifdef USE_HEAP_POISONING
40 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_OFFSET -8
41 #else
42 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_OFFSET -4
43 #endif
44 // The offset of the reference load LDR from the return address in LR for array loads.
45 #ifdef USE_HEAP_POISONING
46 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET -8
47 #else
48 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET -4
49 #endif
50 // The offset of the reference load LDR from the return address in LR for GC root loads.
51 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_OFFSET -8
52 
53 #endif  // ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_H_
54