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 #include "entrypoints/entrypoint_asm_constants.h" 22 23 #define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 112 24 #define FRAME_SIZE_SAVE_REFS_ONLY 32 25 #define FRAME_SIZE_SAVE_REFS_AND_ARGS 112 26 #define FRAME_SIZE_SAVE_EVERYTHING 192 27 #define FRAME_SIZE_SAVE_EVERYTHING_FOR_CLINIT FRAME_SIZE_SAVE_EVERYTHING 28 #define FRAME_SIZE_SAVE_EVERYTHING_FOR_SUSPEND_CHECK FRAME_SIZE_SAVE_EVERYTHING 29 #define SAVE_EVERYTHING_FRAME_R0_OFFSET \ 30 (FRAME_SIZE_SAVE_EVERYTHING - CALLEE_SAVE_EVERYTHING_NUM_CORE_SPILLS * POINTER_SIZE) 31 32 // The offset from the art_quick_read_barrier_mark_introspection (used for field 33 // loads with 32-bit LDR) to the entrypoint for field loads with 16-bit LDR, 34 // i.e. art_quick_read_barrier_mark_introspection_narrow. 35 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_ENTRYPOINT_OFFSET 0x20 36 // The offsets from art_quick_read_barrier_mark_introspection to the GC root entrypoints, 37 // i.e. art_quick_read_barrier_mark_introspection_gc_roots_{wide,narrow}. 38 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_ENTRYPOINT_OFFSET 0xc0 39 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_ENTRYPOINT_OFFSET 0xe0 40 // The offset from art_quick_read_barrier_mark_introspection to the array switch cases, 41 // i.e. art_quick_read_barrier_mark_introspection_arrays. 42 #define BAKER_MARK_INTROSPECTION_ARRAY_SWITCH_OFFSET 0x100 43 // The offset from art_quick_read_barrier_mark_introspection to the entrypoint for the 44 // CAS intrinsics, i.e. art_quick_read_barrier_mark_introspection_intrinsic_cas. 45 #define BAKER_MARK_INTROSPECTION_INTRINSIC_CAS_ENTRYPOINT_OFFSET 0x180 46 47 // The offset of the reference load LDR from the return address in LR for field loads. 48 #ifdef USE_HEAP_POISONING 49 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET (-8) 50 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET (-4) 51 #else 52 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET (-4) 53 #define BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET (-2) 54 #endif 55 // The offset of the reference load LDR from the return address in LR for array loads. 56 #ifdef USE_HEAP_POISONING 57 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET (-8) 58 #else 59 #define BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET (-4) 60 #endif 61 // The offset of the reference load LDR from the return address in LR for GC root loads. 62 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_OFFSET (-8) 63 #define BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_OFFSET (-6) 64 // The offset of the MOV from the return address in LR for intrinsic CAS. 65 #define BAKER_MARK_INTROSPECTION_INTRINSIC_CAS_MOV_OFFSET (-8) 66 67 #endif // ART_RUNTIME_ARCH_ARM_ASM_SUPPORT_ARM_H_ 68