X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=include%2Felf%2Farc.h;h=a910c94ac20733876d4f48ca1323e3d15cc33ff6;hb=d768f160a99558a07a2463899c8bfeec0f0a67a7;hp=02a7a4d74517bd45cee64b80625e5c9015bdc281;hpb=fa803dc60f0bf01297674c41d001798e18ade4dc;p=deliverable%2Fbinutils-gdb.git

diff --git a/include/elf/arc.h b/include/elf/arc.h
index 02a7a4d745..a910c94ac2 100644
--- a/include/elf/arc.h
+++ b/include/elf/arc.h
@@ -1,71 +1,97 @@
 /* ARC ELF support for BFD.
-   Copyright (C) 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   Contributed by Doug Evans, (dje@cygnus.com)
 
-   Copied from mips.h.
+   This file is part of BFD, the Binary File Descriptor library.
 
-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 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 2 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.
 
-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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   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.  */
 
-/* Processor specific flags for the ELF header e_flags field.  */
-
-/* File contains position independent code.  */
-#define EF_ARC_PIC		0x00000001
-
-/* Four bit ARC architecture field.  */
-#define EF_MIPS_ARCH		0xf0000000
+#ifndef _ELF_ARC_H
+#define _ELF_ARC_H
 
-/* Base ARC.  */
-#define E_ARC_ARCH_BASE		0x00000000
+#include "elf/reloc-macros.h"
 
-/* Host ARC.  */
-#define E_ARC_ARCH_HOST		0x10000000
+/* Relocations.  */
 
-/* Graphics ARC.  */
-#define E_ARC_ARCH_GRAPHICS	0x20000000
+#define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
+  RELOC_NUMBER(R_##TYPE, VALUE)
 
-/* Audio ARC.  */
-#define E_ARC_ARCH_AUDIO	0x30000000
-
-/* Processor specific section types.  */
+START_RELOC_NUMBERS (elf_arc_reloc_type)
+#include "arc-reloc.def"
+END_RELOC_NUMBERS (R_ARC_max)
 
-/* Section contains the global pointer table.  */
-#define SHT_ARC_GPTAB		0x70000000
-
-/* Processor specific section flags.  */
+#undef ARC_RELOC_HOWTO
 
-/* This section must be in the global data area.  */
-#define SHF_ARC_GPREL		0x10000000
-
-/* Processor specific program header types.  */
-
-/* Register usage information.  Identifies one .reginfo section.  */
-#define PT_ARC_REGINFO		0x70000000
-
-/* Processor specific dynamic array tags.  */
-
-/* 32 bit version number for runtime linker interface.  */
-#define DT_ARC_RLD_VERSION	0x70000001
+/* Processor specific flags for the ELF header e_flags field.  */
 
-/* Time stamp.  */
-#define DT_ARC_TIME_STAMP	0x70000002
+#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.  */
 
-/* Index of version string in string table.  */
-#define DT_ARC_IVERSION		0x70000003
+/* File contains position independent code.  */
 
-/* 32 bits of flags.  */
-#define DT_ARC_FLAGS		0x70000004
+#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 */