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