/* ARC ELF support for BFD.
- Copyright (C) 1995, 97, 98, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1995-2019 Free Software Foundation, Inc.
Contributed by Doug Evans, (dje@cygnus.com)
-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 2 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 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.
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */
#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)
- RELOC_NUMBER (R_ARC_NONE, 0)
- RELOC_NUMBER (R_ARC_32, 1)
- RELOC_NUMBER (R_ARC_B26, 2)
- RELOC_NUMBER (R_ARC_B22_PCREL, 3)
+#include "arc-reloc.def"
END_RELOC_NUMBERS (R_ARC_max)
+#undef ARC_RELOC_HOWTO
+
/* Processor specific flags for the ELF header e_flags field. */
-/* Four bit ARC machine type field. */
-#define EF_ARC_MACH 0x0000000f
+#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. */
-#define E_ARC_MACH_BASE 0x00000000
-#define E_ARC_MACH_UNUSED1 0x00000001
-#define E_ARC_MACH_UNUSED2 0x00000002
-#define E_ARC_MACH_UNUSED4 0x00000003
+/* 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
-/* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.
- Highly unlikely, but what the heck. */
+/* 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
+
+#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 */
projects / deliverable / binutils-gdb.git / blobdiff