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_MIPS64_ASM_SUPPORT_MIPS64_H_ 18#define ART_RUNTIME_ARCH_MIPS64_ASM_SUPPORT_MIPS64_H_ 19 20#include "asm_support.h" 21 22// 64 ($f24-$f31) + 64 ($s0-$s7) + 8 ($gp) + 8 ($s8) + 8 ($ra) + 1x8 bytes padding 23#define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 160 24// 48 ($s2-$s7) + 8 ($gp) + 8 ($s8) + 8 ($ra) + 1x8 bytes padding 25#define FRAME_SIZE_SAVE_REFS_ONLY 80 26// $f12-$f19, $a1-$a7, $s2-$s7 + $gp + $s8 + $ra, 16 total + 1x8 bytes padding + method* 27#define FRAME_SIZE_SAVE_REFS_AND_ARGS 208 28// $f0-$f31, $at, $v0-$v1, $a0-$a7, $t0-$t3, $s0-$s7, $t8-$t9, $gp, $s8, $ra + padding + method* 29#define FRAME_SIZE_SAVE_EVERYTHING 496 30#define FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT FRAME_SIZE_SAVE_EVERYTHING 31#define FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK FRAME_SIZE_SAVE_EVERYTHING 32 33// &art_quick_read_barrier_mark_introspection is the first of many entry points: 34// 20 entry points for long field offsets, large array indices and variable array indices 35// (see macro BRB_FIELD_LONG_OFFSET_ENTRY) 36// 20 entry points for short field offsets and small array indices 37// (see macro BRB_FIELD_SHORT_OFFSET_ENTRY) 38// 20 entry points for GC roots 39// (see macro BRB_GC_ROOT_ENTRY) 40 41// There are as many entry points of each kind as there are registers that 42// can hold a reference: V0-V1, A0-A7, T0-T2, S2-S8. 43#define BAKER_MARK_INTROSPECTION_REGISTER_COUNT 20 44 45#define BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE (8 * 4) // 8 instructions in 46 // BRB_FIELD_*_OFFSET_ENTRY. 47 48#define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRIES_OFFSET \ 49 (2 * BAKER_MARK_INTROSPECTION_REGISTER_COUNT * BAKER_MARK_INTROSPECTION_FIELD_ARRAY_ENTRY_SIZE) 50 51#define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRY_SIZE (4 * 4) // 4 instructions in BRB_GC_ROOT_ENTRY. 52 53#endif // ART_RUNTIME_ARCH_MIPS64_ASM_SUPPORT_MIPS64_H_ 54