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_ARM_ASM_SUPPORT_ARM_H_ 18 #define ART_RUNTIME_ARCH_ARM_ASM_SUPPORT_ARM_H_ 19 20 #include "asm_support.h" 21 22 #define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 112 23 #define FRAME_SIZE_SAVE_REFS_ONLY 32 24 #define FRAME_SIZE_SAVE_REFS_AND_ARGS 112 25 #define FRAME_SIZE_SAVE_EVERYTHING 192 26 27 // The offset from the art_quick_read_barrier_mark_introspection (used for field 28 // loads with 32-bit LDR) to the entrypoint for field loads with 16-bit LDR, 29 // i.e. art_quick_read_barrier_mark_introspection_narrow. 30 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_ENTRYPOINT_OFFSET 0x20 31 // The offsets from art_quick_read_barrier_mark_introspection to the GC root entrypoints, 32 // i.e. art_quick_read_barrier_mark_introspection_gc_roots_{wide,narrow}. 33 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_ENTRYPOINT_OFFSET 0x80 34 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_ENTRYPOINT_OFFSET 0xc0 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 39 // The offset of the reference load LDR from the return address in LR for field loads. 40 #ifdef USE_HEAP_POISONING 41 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET -8 42 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET -4 43 #else 44 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET -4 45 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET -2 46 #endif 47 // The offset of the reference load LDR from the return address in LR for array loads. 48 #ifdef USE_HEAP_POISONING 49 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET -8 50 #else 51 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET -4 52 #endif 53 // The offset of the reference load LDR from the return address in LR for GC root loads. 54 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_OFFSET -8 55 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_OFFSET -6 56 57 // Flag for enabling R4 optimization in arm runtime 58 // #define ARM_R4_SUSPEND_FLAG 59 60 #endif // ART_RUNTIME_ARCH_ARM_ASM_SUPPORT_ARM_H_ 61
