1 /* Definitions for option handling for ARM. 2 Copyright (C) 1991-2021 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published 8 by the Free Software Foundation; either version 3, or (at your 9 option) any later version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 License for more details. 15 16 Under Section 7 of GPL version 3, you are granted additional 17 permissions described in the GCC Runtime Library Exception, version 18 3.1, as published by the Free Software Foundation. 19 20 You should have received a copy of the GNU General Public License and 21 a copy of the GCC Runtime Library Exception along with this program; 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 <http://www.gnu.org/licenses/>. */ 24 25 #ifndef ARM_OPTS_H 26 #define ARM_OPTS_H 27 28 #include "arm-flags.h" 29 #include "arm-isa.h" 30 #include "arm-cpu.h" 31 32 /* Which __fp16 format to use. 33 The enumeration values correspond to the numbering for the 34 Tag_ABI_FP_16bit_format attribute. 35 */ 36 enum arm_fp16_format_type 37 { 38 ARM_FP16_FORMAT_NONE = 0, 39 ARM_FP16_FORMAT_IEEE = 1, 40 ARM_FP16_FORMAT_ALTERNATIVE = 2 41 }; 42 43 /* Which ABI to use. */ 44 enum arm_abi_type 45 { 46 ARM_ABI_APCS, 47 ARM_ABI_ATPCS, 48 ARM_ABI_AAPCS, 49 ARM_ABI_IWMMXT, 50 ARM_ABI_AAPCS_LINUX 51 }; 52 53 enum float_abi_type 54 { 55 ARM_FLOAT_ABI_SOFT, 56 ARM_FLOAT_ABI_SOFTFP, 57 ARM_FLOAT_ABI_HARD 58 }; 59 60 /* Which thread pointer access sequence to use. */ 61 enum arm_tp_type { 62 TP_AUTO, 63 TP_SOFT, 64 TP_CP15 65 }; 66 67 /* Which TLS scheme to use. */ 68 enum arm_tls_type { 69 TLS_GNU, 70 TLS_GNU2 71 }; 72 #endif 73