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_S_ 18 #define ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_S_ 19 20 #include "asm_support_arm64.h" 21 22 // Define special registers. 23 24 // Register holding Thread::Current(). 25 #define xSELF x19 26 // Frame Pointer 27 #define xFP x29 28 // Link Register 29 #define xLR x30 30 // Define the intraprocedural linkage temporary registers. 31 #define xIP0 x16 32 #define wIP0 w16 33 #define xIP1 x17 34 #define wIP1 w17 35 36 37 .macro ENTRY name 38 .type \name, #function 39 .hidden \name // Hide this as a global symbol, so we do not incur plt calls. 40 .global \name 41 /* Cache alignment for function entry */ 42 .balign 16 43 \name: 44 .cfi_startproc 45 .endm 46 47 .macro END name 48 .cfi_endproc 49 .size \name, .-\name 50 .endm 51 52 .macro UNIMPLEMENTED name 53 ENTRY \name 54 brk 0 55 END \name 56 .endm 57 58 // Macros to poison (negate) the reference for heap poisoning. 59 .macro POISON_HEAP_REF rRef 60 #ifdef USE_HEAP_POISONING 61 neg \rRef, \rRef 62 #endif // USE_HEAP_POISONING 63 .endm 64 65 // Macros to unpoison (negate) the reference for heap poisoning. 66 .macro UNPOISON_HEAP_REF rRef 67 #ifdef USE_HEAP_POISONING 68 neg \rRef, \rRef 69 #endif // USE_HEAP_POISONING 70 .endm 71 72 #endif // ART_RUNTIME_ARCH_ARM64_ASM_SUPPORT_ARM64_S_ 73
