1/*
2 * Copyright (C) 2013 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_MIPS_ASM_SUPPORT_MIPS_H_
18#define ART_RUNTIME_ARCH_MIPS_ASM_SUPPORT_MIPS_H_
19
20#include "asm_support.h"
21
22#define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 112
23#define FRAME_SIZE_SAVE_REFS_ONLY 48
24#define FRAME_SIZE_SAVE_REFS_AND_ARGS 112
25#define FRAME_SIZE_SAVE_EVERYTHING 256
26#define FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT FRAME_SIZE_SAVE_EVERYTHING
27#define FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK FRAME_SIZE_SAVE_EVERYTHING
28
29// &art_quick_read_barrier_mark_introspection is the first of many entry points:
30//   21 entry points for long field offsets, large array indices and variable array indices
31//     (see macro BRB_FIELD_LONG_OFFSET_ENTRY)
32//   21 entry points for short field offsets and small array indices
33//     (see macro BRB_FIELD_SHORT_OFFSET_ENTRY)
34//   21 entry points for GC roots
35//     (see macro BRB_GC_ROOT_ENTRY)
36
37// There are as many entry points of each kind as there are registers that
38// can hold a reference: V0-V1, A0-A3, T0-T7, S2-S8.
39#define BAKER_MARK_INTROSPECTION_REGISTER_COUNT 21
40
41#define BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE (8 * 4)  // 8 instructions in
42                                                                 // BRB_FIELD_*_OFFSET_ENTRY.
43
44#define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET \
45    (2 * BAKER_MARK_INTROSPECTION_REGISTER_COUNT * BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE)
46
47#define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRY_SIZE (4 * 4)  // 4 instructions in BRB_GC_ROOT_ENTRY.
48
49#endif  // ART_RUNTIME_ARCH_MIPS_ASM_SUPPORT_MIPS_H_
50