97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
/* ARC ELF support for BFD.
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Copyright (C) 1995-2022 Free Software Foundation, Inc.
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Contributed by Doug Evans, (dje@cygnus.com)
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This file holds definitions specific to the ARC ELF ABI. */
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#ifndef _ELF_ARC_H
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#define _ELF_ARC_H
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#include "elf/reloc-macros.h"
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/* Relocations. */
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#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
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RELOC_NUMBER(R_##TYPE, VALUE)
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START_RELOC_NUMBERS (elf_arc_reloc_type)
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#include "arc-reloc.def"
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END_RELOC_NUMBERS (R_ARC_max)
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#undef ARC_RELOC_HOWTO
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/* Processor specific flags for the ELF header e_flags field. */
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#define EF_ARC_MACH_MSK 0x000000ff
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#define EF_ARC_OSABI_MSK 0x00000f00
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#define EF_ARC_ALL_MSK (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK)
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/* Various CPU types. These numbers are exposed in the ELF header flags
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(e_flags field), and so must never change. */
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#define E_ARC_MACH_ARC600 0x00000002
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#define E_ARC_MACH_ARC601 0x00000004
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#define E_ARC_MACH_ARC700 0x00000003
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#define EF_ARC_CPU_ARCV2EM 0x00000005
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#define EF_ARC_CPU_ARCV2HS 0x00000006
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/* ARC Linux specific ABIs. */
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#define E_ARC_OSABI_ORIG 0x00000000 /* MUST be 0 for back-compat. */
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#define E_ARC_OSABI_V2 0x00000200
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#define E_ARC_OSABI_V3 0x00000300
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#define E_ARC_OSABI_V4 0x00000400
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#define E_ARC_OSABI_CURRENT E_ARC_OSABI_V4
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/* Leave bits 0xf0 alone in case we ever have more than 16 cpu types. */
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/* File contains position independent code. */
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#define EF_ARC_PIC 0x00000100
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/* Additional section types. */
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#define SHT_ARC_ATTRIBUTES 0x70000001 /* Section holds attributes. */
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/* ARC ABI object attributes. */
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enum {
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/* 0-3 are generic. */
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Tag_ARC_PCS_config = 4,
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Tag_ARC_CPU_base,
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Tag_ARC_CPU_variation,
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Tag_ARC_CPU_name,
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Tag_ARC_ABI_rf16,
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Tag_ARC_ABI_osver,
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Tag_ARC_ABI_sda,
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Tag_ARC_ABI_pic,
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Tag_ARC_ABI_tls,
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Tag_ARC_ABI_enumsize,
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Tag_ARC_ABI_exceptions,
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Tag_ARC_ABI_double_size,
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Tag_ARC_ISA_config,
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Tag_ARC_ISA_apex,
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Tag_ARC_ISA_mpy_option,
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Tag_ARC_ATR_version = 20
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};
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/* Values for the Tag_ARC_cpu_base attribute. */
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#define TAG_CPU_NONE 0
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#define TAG_CPU_ARC6xx 1
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#define TAG_CPU_ARC7xx 2
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#define TAG_CPU_ARCEM 3
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#define TAG_CPU_ARCHS 4
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#endif /* _ELF_ARC_H */
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