175fd0b74Schristos /* ARC ELF support for BFD. 2*e992f068Schristos Copyright (C) 1995-2022 Free Software Foundation, Inc. 375fd0b74Schristos Contributed by Doug Evans, (dje@cygnus.com) 475fd0b74Schristos 575fd0b74Schristos This file is part of BFD, the Binary File Descriptor library. 675fd0b74Schristos 775fd0b74Schristos This program is free software; you can redistribute it and/or modify 875fd0b74Schristos it under the terms of the GNU General Public License as published by 975fd0b74Schristos the Free Software Foundation; either version 3 of the License, or 1075fd0b74Schristos (at your option) any later version. 1175fd0b74Schristos 1275fd0b74Schristos This program is distributed in the hope that it will be useful, 1375fd0b74Schristos but WITHOUT ANY WARRANTY; without even the implied warranty of 1475fd0b74Schristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1575fd0b74Schristos GNU General Public License for more details. 1675fd0b74Schristos 1775fd0b74Schristos You should have received a copy of the GNU General Public License 1875fd0b74Schristos along with this program; if not, write to the Free Software 1975fd0b74Schristos Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 2075fd0b74Schristos MA 02110-1301, USA. */ 2175fd0b74Schristos 2275fd0b74Schristos /* This file holds definitions specific to the ARC ELF ABI. */ 2375fd0b74Schristos 2475fd0b74Schristos #ifndef _ELF_ARC_H 2575fd0b74Schristos #define _ELF_ARC_H 2675fd0b74Schristos 2775fd0b74Schristos #include "elf/reloc-macros.h" 2875fd0b74Schristos 2975fd0b74Schristos /* Relocations. */ 3075fd0b74Schristos 3175fd0b74Schristos #define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \ 3275fd0b74Schristos RELOC_NUMBER(R_##TYPE, VALUE) 3375fd0b74Schristos 3475fd0b74Schristos START_RELOC_NUMBERS (elf_arc_reloc_type) 3575fd0b74Schristos #include "arc-reloc.def" 3675fd0b74Schristos END_RELOC_NUMBERS (R_ARC_max) 3775fd0b74Schristos 3875fd0b74Schristos #undef ARC_RELOC_HOWTO 3975fd0b74Schristos 4075fd0b74Schristos /* Processor specific flags for the ELF header e_flags field. */ 4175fd0b74Schristos 4275fd0b74Schristos #define EF_ARC_MACH_MSK 0x000000ff 4375fd0b74Schristos #define EF_ARC_OSABI_MSK 0x00000f00 4475fd0b74Schristos #define EF_ARC_ALL_MSK (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK) 4575fd0b74Schristos 4675fd0b74Schristos /* Various CPU types. These numbers are exposed in the ELF header flags 4775fd0b74Schristos (e_flags field), and so must never change. */ 4875fd0b74Schristos #define E_ARC_MACH_ARC600 0x00000002 4975fd0b74Schristos #define E_ARC_MACH_ARC601 0x00000004 5075fd0b74Schristos #define E_ARC_MACH_ARC700 0x00000003 5175fd0b74Schristos #define EF_ARC_CPU_ARCV2EM 0x00000005 5275fd0b74Schristos #define EF_ARC_CPU_ARCV2HS 0x00000006 5375fd0b74Schristos 5475fd0b74Schristos /* ARC Linux specific ABIs. */ 5575fd0b74Schristos #define E_ARC_OSABI_ORIG 0x00000000 /* MUST be 0 for back-compat. */ 5675fd0b74Schristos #define E_ARC_OSABI_V2 0x00000200 5775fd0b74Schristos #define E_ARC_OSABI_V3 0x00000300 58ede78133Schristos #define E_ARC_OSABI_V4 0x00000400 59ede78133Schristos #define E_ARC_OSABI_CURRENT E_ARC_OSABI_V4 6075fd0b74Schristos /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types. */ 6175fd0b74Schristos 6275fd0b74Schristos /* File contains position independent code. */ 6375fd0b74Schristos 6475fd0b74Schristos #define EF_ARC_PIC 0x00000100 6575fd0b74Schristos 66ede78133Schristos /* Additional section types. */ 67ede78133Schristos #define SHT_ARC_ATTRIBUTES 0x70000001 /* Section holds attributes. */ 68ede78133Schristos 69ede78133Schristos /* ARC ABI object attributes. */ 70ede78133Schristos enum { 71ede78133Schristos /* 0-3 are generic. */ 72ede78133Schristos Tag_ARC_PCS_config = 4, 73ede78133Schristos Tag_ARC_CPU_base, 74ede78133Schristos Tag_ARC_CPU_variation, 75ede78133Schristos Tag_ARC_CPU_name, 76ede78133Schristos Tag_ARC_ABI_rf16, 77ede78133Schristos Tag_ARC_ABI_osver, 78ede78133Schristos Tag_ARC_ABI_sda, 79ede78133Schristos Tag_ARC_ABI_pic, 80ede78133Schristos Tag_ARC_ABI_tls, 81ede78133Schristos Tag_ARC_ABI_enumsize, 82ede78133Schristos Tag_ARC_ABI_exceptions, 83ede78133Schristos Tag_ARC_ABI_double_size, 84ede78133Schristos Tag_ARC_ISA_config, 85ede78133Schristos Tag_ARC_ISA_apex, 86012573ebSchristos Tag_ARC_ISA_mpy_option, 87012573ebSchristos Tag_ARC_ATR_version = 20 88ede78133Schristos }; 89ede78133Schristos 90ede78133Schristos /* Values for the Tag_ARC_cpu_base attribute. */ 91ede78133Schristos #define TAG_CPU_NONE 0 92ede78133Schristos #define TAG_CPU_ARC6xx 1 93ede78133Schristos #define TAG_CPU_ARC7xx 2 94ede78133Schristos #define TAG_CPU_ARCEM 3 95ede78133Schristos #define TAG_CPU_ARCHS 4 96ede78133Schristos 9775fd0b74Schristos #endif /* _ELF_ARC_H */ 98