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 #include "entrypoints/entrypoint_asm_constants.h" 22 23 // TODO(mythria): Change these to use constants from callee_save_frame_arm64.h 24 #define CALLEE_SAVES_SIZE (12 * 8 + 8 * 8) 25 // +8 for the ArtMethod, +8 for alignment. 26 #define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES (CALLEE_SAVES_SIZE + 16) 27 #define FRAME_SIZE_SAVE_REFS_ONLY 96 28 #define FRAME_SIZE_SAVE_REFS_AND_ARGS 224 29 #define FRAME_SIZE_SAVE_EVERYTHING 512 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 #define SAVE_EVERYTHING_FRAME_X0_OFFSET \ 33 (FRAME_SIZE_SAVE_EVERYTHING - CALLEE_SAVE_EVERYTHING_NUM_CORE_SPILLS * POINTER_SIZE) 34 35 // The offset from art_quick_read_barrier_mark_introspection to the array switch cases, 36 // i.e. art_quick_read_barrier_mark_introspection_arrays. 37 #define BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 0x100 38 // The offset from art_quick_read_barrier_mark_introspection to the GC root entrypoint, 39 // i.e. art_quick_read_barrier_mark_introspection_gc_roots. 40 #define BAKER_MARK_INTROSPECTION_GC_ROOT_ENTRYPOINT_OFFSET 0x300 41 42 // The offset of the reference load LDR from the return address in LR for field loads. 43 #ifdef USE_HEAP_POISONING 44 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_OFFSET (-8) 45 #else 46 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_OFFSET (-4) 47 #endif 48 // The offset of the reference load LDR from the return address in LR for array loads. 49 #ifdef USE_HEAP_POISONING 50 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET (-8) 51 #else 52 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET (-4) 53 #endif 54 // The offset of the reference load LDR from the return address in LR for GC root loads. 55 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_OFFSET (-8) 56 57 #endif // ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_H_ 58