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Add IP2k support to BFD and LD

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This commit is contained in:
Nick Clifton
2002-07-17 14:15:50 +00:00
parent 4b5ccabc17
commit ff21dc0ea5
3 changed files with 75 additions and 0 deletions
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12
include/elf/ChangeLog
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@@ -1,3 +1,15 @@
2002-07-15 Denis Chertykov <denisc@overta.ru>
Frank Ch. Eigler <fche@redhat.com>
Ben Elliston <bje@redhat.com>
Alan Lehotsky <alehotsky@cygnus.com>
John Healy <jhealy@redhat.com>
Graham Stott <grahams@redhat.com>
Jeff Johnston <jjohnstn@redhat.com>
* common.h (EM_IP2K): New macro.
(EM_IP2K_OLD): New macro.
* ip2k.h: New file.
2002-07-01 Matt Thomas <matt@3am-software.com>
* vax.h: Rename EF_* to EF_VAX_*.

1
include/elf/common.h
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@@ -176,6 +176,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
#define EM_IP2K 101 /* Ubicom IP2022 micro controller */
/* If it is necessary to assign new unofficial EM_* values, please pick large
random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision

62
include/elf/ip2k.h Normal file
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@@ -0,0 +1,62 @@
/* IP2xxx ELF support for BFD.
Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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. */
#ifndef _ELF_IP2K_H
#define _ELF_IP2K_H
#include "elf/reloc-macros.h"
/* Relocations. */
START_RELOC_NUMBERS (elf_ip2k_reloc_type)
RELOC_NUMBER (R_IP2K_NONE, 0)
RELOC_NUMBER (R_IP2K_16, 1)
RELOC_NUMBER (R_IP2K_32, 2)
RELOC_NUMBER (R_IP2K_FR9, 3)
RELOC_NUMBER (R_IP2K_BANK, 4)
RELOC_NUMBER (R_IP2K_ADDR16CJP, 5)
RELOC_NUMBER (R_IP2K_PAGE3, 6)
RELOC_NUMBER (R_IP2K_LO8DATA, 7)
RELOC_NUMBER (R_IP2K_HI8DATA, 8)
RELOC_NUMBER (R_IP2K_LO8INSN, 9)
RELOC_NUMBER (R_IP2K_HI8INSN, 10)
RELOC_NUMBER (R_IP2K_PC_SKIP, 11)
RELOC_NUMBER (R_IP2K_TEXT, 12)
RELOC_NUMBER (R_IP2K_FR_OFFSET, 13)
RELOC_NUMBER (R_IP2K_EX8DATA, 14)
END_RELOC_NUMBERS(R_IP2K_max)
/* Define the data & instruction memory discriminator. In a linked
executable, an symbol should be deemed to point to an instruction
if ((address & IP2K_INSN_MASK) == IP2K_INSN_VALUE), and similarly
for the data space. See also `ld/emulparams/elf32ip2k.sh'. */
/* ??? Consider extending the _MASK values to include all the
intermediate bits that must be zero due to the limited physical
memory size on the IP2K. */
#define IP2K_DATA_MASK 0xff000000
#define IP2K_DATA_VALUE 0x01000000
#define IP2K_INSN_MASK 0xff000000
#define IP2K_INSN_VALUE 0x02000000
/* The location of the memory mapped hardware stack. */
#define IP2K_STACK_VALUE 0x0f000000
#define IP2K_STACK_SIZE 0x20
#endif /* _ELF_IP2K_H */