1 /* Copyright (C) 2011-2016 Free Software Foundation, Inc. 2 Contributed by ARM Ltd. 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 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 /* Definitions for option handling for AArch64. */ 21 22 #ifndef GCC_AARCH64_OPTS_H 23 #define GCC_AARCH64_OPTS_H 24 25 /* The various cores that implement AArch64. */ 26 enum aarch64_processor 27 { 28 #define AARCH64_CORE(NAME, INTERNAL_IDENT, SCHED, ARCH, FLAGS, COSTS, IMP, PART) \ 29 INTERNAL_IDENT, 30 #include "aarch64-cores.def" 31 #undef AARCH64_CORE 32 /* Used to indicate that no processor has been specified. */ 33 generic, 34 /* Used to mark the end of the processor table. */ 35 aarch64_none 36 }; 37 38 enum aarch64_arch 39 { 40 #define AARCH64_ARCH(NAME, CORE, ARCH_IDENT, ARCH_REV, FLAGS) \ 41 AARCH64_ARCH_##ARCH_IDENT, 42 #include "aarch64-arches.def" 43 #undef AARCH64_ARCH 44 aarch64_no_arch 45 }; 46 47 /* TLS types. */ 48 enum aarch64_tls_type { 49 TLS_TRADITIONAL, 50 TLS_DESCRIPTORS 51 }; 52 53 /* The code model defines the address generation strategy. 54 Most have a PIC and non-PIC variant. */ 55 enum aarch64_code_model { 56 /* Static code and data fit within a 1MB region. 57 Not fully implemented, mostly treated as SMALL. */ 58 AARCH64_CMODEL_TINY, 59 /* Static code, data and GOT/PLT fit within a 1MB region. 60 Not fully implemented, mostly treated as SMALL_PIC. */ 61 AARCH64_CMODEL_TINY_PIC, 62 /* Static code and data fit within a 4GB region. 63 The default non-PIC code model. */ 64 AARCH64_CMODEL_SMALL, 65 /* Static code, data and GOT/PLT fit within a 4GB region. 66 The default PIC code model. */ 67 AARCH64_CMODEL_SMALL_PIC, 68 /* -fpic for small memory model. 69 GOT size to 28KiB (4K*8-4K) or 3580 entries. */ 70 AARCH64_CMODEL_SMALL_SPIC, 71 /* No assumptions about addresses of code and data. 72 The PIC variant is not yet implemented. */ 73 AARCH64_CMODEL_LARGE 74 }; 75 76 #endif 77