runtime/arch/mips/asm_support_mips.h

/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ART_RUNTIME_ARCH_MIPS_ASM_SUPPORT_MIPS_H_
#define ART_RUNTIME_ARCH_MIPS_ASM_SUPPORT_MIPS_H_

#include "asm_support.h"

#define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 112
#define FRAME_SIZE_SAVE_REFS_ONLY 48
#define FRAME_SIZE_SAVE_REFS_AND_ARGS 112
#define FRAME_SIZE_SAVE_EVERYTHING 256
#define FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT FRAME_SIZE_SAVE_EVERYTHING
#define FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK FRAME_SIZE_SAVE_EVERYTHING

// &art_quick_read_barrier_mark_introspection is the first of many entry points:
//   21 entry points for long field offsets, large array indices and variable array indices
//     (see macro BRB_FIELD_LONG_OFFSET_ENTRY)
//   21 entry points for short field offsets and small array indices
//     (see macro BRB_FIELD_SHORT_OFFSET_ENTRY)
//   21 entry points for GC roots
//     (see macro BRB_GC_ROOT_ENTRY)

// There are as many entry points of each kind as there are registers that
// can hold a reference: V0-V1, A0-A3, T0-T7, S2-S8.
#define BAKER_MARK_INTROSPECTION_REGISTER_COUNT 21

#define BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE (8 * 4)  // 8 instructions in
                                                                 // BRB_FIELD_*_OFFSET_ENTRY.

#define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET \
    (2 * BAKER_MARK_INTROSPECTION_REGISTER_COUNT * BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE)

#define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRY_SIZE (4 * 4)  // 4 instructions in BRB_GC_ROOT_ENTRY.

#endif  // ART_RUNTIME_ARCH_MIPS_ASM_SUPPORT_MIPS_H_