/* ARC ELF support for BFD. Copyright (C) 1995-2020 Free Software Foundation, Inc. Contributed by Doug Evans, (dje@cygnus.com) This file is part of BFD, the Binary File Descriptor library. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ /* This file holds definitions specific to the ARC ELF ABI. */ #ifndef _ELF_ARC_H #define _ELF_ARC_H #include "elf/reloc-macros.h" /* Relocations. */ #define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \ RELOC_NUMBER(R_##TYPE, VALUE) START_RELOC_NUMBERS (elf_arc_reloc_type) #include "arc-reloc.def" END_RELOC_NUMBERS (R_ARC_max) #undef ARC_RELOC_HOWTO /* Processor specific flags for the ELF header e_flags field. */ #define EF_ARC_MACH_MSK 0x000000ff #define EF_ARC_OSABI_MSK 0x00000f00 #define EF_ARC_ALL_MSK (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK) /* Various CPU types. These numbers are exposed in the ELF header flags (e_flags field), and so must never change. */ #define E_ARC_MACH_ARC600 0x00000002 #define E_ARC_MACH_ARC601 0x00000004 #define E_ARC_MACH_ARC700 0x00000003 #define EF_ARC_CPU_ARCV2EM 0x00000005 #define EF_ARC_CPU_ARCV2HS 0x00000006 /* ARC Linux specific ABIs. */ #define E_ARC_OSABI_ORIG 0x00000000 /* MUST be 0 for back-compat. */ #define E_ARC_OSABI_V2 0x00000200 #define E_ARC_OSABI_V3 0x00000300 #define E_ARC_OSABI_V4 0x00000400 #define E_ARC_OSABI_CURRENT E_ARC_OSABI_V4 /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types. */ /* File contains position independent code. */ #define EF_ARC_PIC 0x00000100 /* Additional section types. */ #define SHT_ARC_ATTRIBUTES 0x70000001 /* Section holds attributes. */ /* ARC ABI object attributes. */ enum { /* 0-3 are generic. */ Tag_ARC_PCS_config = 4, Tag_ARC_CPU_base, Tag_ARC_CPU_variation, Tag_ARC_CPU_name, Tag_ARC_ABI_rf16, Tag_ARC_ABI_osver, Tag_ARC_ABI_sda, Tag_ARC_ABI_pic, Tag_ARC_ABI_tls, Tag_ARC_ABI_enumsize, Tag_ARC_ABI_exceptions, Tag_ARC_ABI_double_size, Tag_ARC_ISA_config, Tag_ARC_ISA_apex, Tag_ARC_ISA_mpy_option, Tag_ARC_ATR_version = 20 }; /* Values for the Tag_ARC_cpu_base attribute. */ #define TAG_CPU_NONE 0 #define TAG_CPU_ARC6xx 1 #define TAG_CPU_ARC7xx 2 #define TAG_CPU_ARCEM 3 #define TAG_CPU_ARCHS 4 #endif /* _ELF_ARC_H */ |