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Add Xtensa port

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This commit is contained in:
Nick Clifton
2003-04-01 15:50:31 +00:00
parent d78045eed0
commit 5340a2ed6d
8 changed files with 518 additions and 0 deletions
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include/elf/xtensa.h Normal file
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/* Xtensa ELF support for BFD.
Copyright 2003 Free Software Foundation, Inc.
Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
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 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. */
/* This file holds definitions specific to the Xtensa ELF ABI. */
#ifndef _ELF_XTENSA_H
#define _ELF_XTENSA_H
#include "elf/reloc-macros.h"
/* Relocations. */
START_RELOC_NUMBERS (elf_xtensa_reloc_type)
RELOC_NUMBER (R_XTENSA_NONE, 0)
RELOC_NUMBER (R_XTENSA_32, 1)
RELOC_NUMBER (R_XTENSA_RTLD, 2)
RELOC_NUMBER (R_XTENSA_GLOB_DAT, 3)
RELOC_NUMBER (R_XTENSA_JMP_SLOT, 4)
RELOC_NUMBER (R_XTENSA_RELATIVE, 5)
RELOC_NUMBER (R_XTENSA_PLT, 6)
RELOC_NUMBER (R_XTENSA_OP0, 8)
RELOC_NUMBER (R_XTENSA_OP1, 9)
RELOC_NUMBER (R_XTENSA_OP2, 10)
RELOC_NUMBER (R_XTENSA_ASM_EXPAND, 11)
RELOC_NUMBER (R_XTENSA_ASM_SIMPLIFY, 12)
RELOC_NUMBER (R_XTENSA_GNU_VTINHERIT, 15)
RELOC_NUMBER (R_XTENSA_GNU_VTENTRY, 16)
END_RELOC_NUMBERS (R_XTENSA_max)
/* Processor-specific flags for the ELF header e_flags field. */
/* Four-bit Xtensa machine type field. */
#define EF_XTENSA_MACH 0x0000000f
/* Various CPU types. */
#define E_XTENSA_MACH 0x00000000
/* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.
Highly unlikely, but what the heck. */
#define EF_XTENSA_XT_INSN 0x00000100
#define EF_XTENSA_XT_LIT 0x00000200
/* Processor-specific dynamic array tags. */
/* Offset of the table that records the GOT location(s). */
#define DT_XTENSA_GOT_LOC_OFF 0x70000000
/* Number of entries in the GOT location table. */
#define DT_XTENSA_GOT_LOC_SZ 0x70000001
/* Definitions for instruction and literal property tables. The
instruction tables for ".gnu.linkonce.t.*" sections are placed in
the following sections:
instruction tables: .gnu.linkonce.x.*
literal tables: .gnu.linkonce.p.*
*/
#define XTENSA_INSN_SEC_NAME ".xt.insn"
#define XTENSA_LIT_SEC_NAME ".xt.lit"
typedef struct property_table_entry_t
{
bfd_vma address;
bfd_vma size;
} property_table_entry;
#endif /* _ELF_XTENSA_H */