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 #define FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT FRAME_SIZE_SAVE_EVERYTHING 27 #define FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK FRAME_SIZE_SAVE_EVERYTHING 28 29 // The offset from the art_quick_read_barrier_mark_introspection (used for field 30 // loads with 32-bit LDR) to the entrypoint for field loads with 16-bit LDR, 31 // i.e. art_quick_read_barrier_mark_introspection_narrow. 32 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_ENTRYPOINT_OFFSET 0x20 33 // The offsets from art_quick_read_barrier_mark_introspection to the GC root entrypoints, 34 // i.e. art_quick_read_barrier_mark_introspection_gc_roots_{wide,narrow}. 35 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_ENTRYPOINT_OFFSET 0xc0 36 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_ENTRYPOINT_OFFSET 0xe0 37 // The offset from art_quick_read_barrier_mark_introspection to the array switch cases, 38 // i.e. art_quick_read_barrier_mark_introspection_arrays. 39 #define BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 0x100 40 // The offset from art_quick_read_barrier_mark_introspection to the entrypoint for the 41 // UnsafeCASObject intrinsic, i.e. art_quick_read_barrier_mark_introspection_unsafe_cas. 42 #define BAKER_MARK_INTROSPECTION_UNSAFE_CAS_ENTRYPOINT_OFFSET 0x180 43 44 // The offset of the reference load LDR from the return address in LR for field loads. 45 #ifdef USE_HEAP_POISONING 46 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET -8 47 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET -4 48 #else 49 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET -4 50 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET -2 51 #endif 52 // The offset of the reference load LDR from the return address in LR for array loads. 53 #ifdef USE_HEAP_POISONING 54 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET -8 55 #else 56 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET -4 57 #endif 58 // The offset of the reference load LDR from the return address in LR for GC root loads. 59 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_OFFSET -8 60 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_OFFSET -6 61 // The offset of the ADD from the return address in LR for UnsafeCASObject intrinsic. 62 #define BAKER_MARK_INTROSPECTION_UNSAFE_CAS_ADD_OFFSET -8 63 64 #endif // ART_RUNTIME_ARCH_ARM_ASM_SUPPORT_ARM_H_ 65