2003-01-03 22:12:28 +01:00
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/* IQ2000-specific support for 32-bit ELF.
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2008-07-30 06:34:58 +02:00
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Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
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2007-03-07 09:54:35 +01:00
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Free Software Foundation, Inc.
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2003-01-03 22:12:28 +01:00
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2004-11-02 13:52:32 +01:00
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This file is part of BFD, the Binary File Descriptor library.
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2003-01-03 22:12:28 +01:00
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2004-11-02 13:52:32 +01:00
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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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2007-07-03 16:26:43 +02:00
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the Free Software Foundation; either version 3 of the License, or
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2004-11-02 13:52:32 +01:00
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(at your option) any later version.
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2003-01-03 22:12:28 +01:00
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2004-11-02 13:52:32 +01:00
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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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2003-01-03 22:12:28 +01:00
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2004-11-02 13:52:32 +01:00
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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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2005-05-04 17:53:43 +02:00
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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2003-01-03 22:12:28 +01:00
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#include "sysdep.h"
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2007-04-26 16:47:00 +02:00
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#include "bfd.h"
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2003-01-03 22:12:28 +01:00
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#include "libbfd.h"
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#include "elf-bfd.h"
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#include "elf/iq2000.h"
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/* Forward declarations. */
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2004-11-02 13:52:32 +01:00
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static bfd_reloc_status_type iq2000_elf_howto_hi16_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
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2003-01-03 22:12:28 +01:00
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static reloc_howto_type iq2000_elf_howto_table [] =
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{
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/* This reloc does nothing. */
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HOWTO (R_IQ2000_NONE, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_NONE", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* A 16 bit absolute relocation. */
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HOWTO (R_IQ2000_16, /* type */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_16", /* name */
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FALSE, /* partial_inplace */
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0x0000, /* src_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* A 32 bit absolute relocation. */
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HOWTO (R_IQ2000_32, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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31, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_32", /* name */
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FALSE, /* partial_inplace */
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0x00000000, /* src_mask */
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0x7fffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 26 bit branch address. */
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HOWTO (R_IQ2000_26, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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26, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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/* This needs complex overflow
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detection, because the upper four
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bits must match the PC. */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_26", /* name */
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FALSE, /* partial_inplace */
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0x00000000, /* src_mask */
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0x03ffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 16 bit PC relative reference. */
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HOWTO (R_IQ2000_PC16, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_PC16", /* name */
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FALSE, /* partial_inplace */
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0x0000, /* src_mask */
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0xffff, /* dst_mask */
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TRUE), /* pcrel_offset */
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/* high 16 bits of symbol value. */
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HOWTO (R_IQ2000_HI16, /* type */
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16, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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15, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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iq2000_elf_howto_hi16_reloc, /* special_function */
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"R_IQ2000_HI16", /* name */
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FALSE, /* partial_inplace */
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0x0000, /* src_mask */
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0x7fff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* Low 16 bits of symbol value. */
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HOWTO (R_IQ2000_LO16, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_LO16", /* name */
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FALSE, /* partial_inplace */
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0x0000, /* src_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 16-bit jump offset. */
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HOWTO (R_IQ2000_OFFSET_16, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_OFFSET_16", /* name */
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FALSE, /* partial_inplace */
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0x0000, /* src_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 21-bit jump offset. */
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HOWTO (R_IQ2000_OFFSET_21, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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21, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_OFFSET_21", /* name */
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FALSE, /* partial_inplace */
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0x000000, /* src_mask */
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0x1fffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* unsigned high 16 bits of value. */
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HOWTO (R_IQ2000_OFFSET_21, /* type */
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16, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_UHI16", /* name */
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FALSE, /* partial_inplace */
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0x0000, /* src_mask */
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0x7fff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* A 32 bit absolute debug relocation. */
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HOWTO (R_IQ2000_32_DEBUG, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_IQ2000_32", /* name */
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FALSE, /* partial_inplace */
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0x00000000, /* src_mask */
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0xffffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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};
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/* GNU extension to record C++ vtable hierarchy. */
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static reloc_howto_type iq2000_elf_vtinherit_howto =
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HOWTO (R_IQ2000_GNU_VTINHERIT, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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"R_IQ2000_GNU_VTINHERIT", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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FALSE); /* pcrel_offset */
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/* GNU extension to record C++ vtable member usage. */
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static reloc_howto_type iq2000_elf_vtentry_howto =
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HOWTO (R_IQ2000_GNU_VTENTRY, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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0, /* bitsize */
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FALSE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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NULL, /* special_function */
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"R_IQ2000_GNU_VTENTRY", /* name */
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FALSE, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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FALSE); /* pcrel_offset */
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static bfd_reloc_status_type
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2004-11-02 13:52:32 +01:00
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iq2000_elf_howto_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
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arelent *reloc_entry,
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asymbol *symbol,
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void * data,
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asection *input_section,
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bfd *output_bfd,
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char **error_message ATTRIBUTE_UNUSED)
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2003-01-03 22:12:28 +01:00
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{
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bfd_reloc_status_type ret;
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bfd_vma relocation;
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2004-11-02 13:52:32 +01:00
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/* If we're relocating and this an external symbol,
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we don't want to change anything. */
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2003-01-03 22:12:28 +01:00
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if (output_bfd != (bfd *) NULL
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&& (symbol->flags & BSF_SECTION_SYM) == 0
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&& reloc_entry->addend == 0)
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{
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reloc_entry->address += input_section->output_offset;
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return bfd_reloc_ok;
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}
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if (bfd_is_com_section (symbol->section))
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relocation = 0;
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else
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relocation = symbol->value;
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relocation += symbol->section->output_section->vma;
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relocation += symbol->section->output_offset;
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relocation += reloc_entry->addend;
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2004-11-02 13:52:32 +01:00
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/* If %lo will have sign-extension, compensate by add 0x10000 to hi portion. */
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2003-01-03 22:12:28 +01:00
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if (relocation & 0x8000)
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reloc_entry->addend += 0x10000;
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/* Now do the reloc in the usual way. */
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ret = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message);
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2004-11-02 13:52:32 +01:00
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/* Put it back the way it was. */
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2003-01-03 22:12:28 +01:00
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if (relocation & 0x8000)
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reloc_entry->addend -= 0x10000;
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return ret;
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}
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static bfd_reloc_status_type
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2004-11-02 13:52:32 +01:00
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iq2000_elf_relocate_hi16 (bfd *input_bfd,
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Elf_Internal_Rela *relhi,
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bfd_byte *contents,
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bfd_vma value)
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2003-01-03 22:12:28 +01:00
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{
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bfd_vma insn;
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insn = bfd_get_32 (input_bfd, contents + relhi->r_offset);
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value += relhi->r_addend;
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2004-11-02 13:52:32 +01:00
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value &= 0x7fffffff; /* Mask off top-bit which is Harvard mask bit. */
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2003-01-03 22:12:28 +01:00
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2004-11-02 13:52:32 +01:00
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|
|
/* If top-bit of %lo value is on, this means that %lo will
|
|
|
|
|
sign-propagate and so we compensate by adding 1 to %hi value. */
|
2003-01-03 22:12:28 +01:00
|
|
|
|
if (value & 0x8000)
|
|
|
|
|
value += 0x10000;
|
|
|
|
|
|
|
|
|
|
value >>= 16;
|
|
|
|
|
insn = ((insn & ~0xFFFF) | value);
|
|
|
|
|
|
|
|
|
|
bfd_put_32 (input_bfd, insn, contents + relhi->r_offset);
|
|
|
|
|
return bfd_reloc_ok;
|
|
|
|
|
}
|
|
|
|
|
|
2008-02-12 20:11:55 +01:00
|
|
|
|
static bfd_reloc_status_type
|
|
|
|
|
iq2000_elf_relocate_offset16 (bfd *input_bfd,
|
|
|
|
|
Elf_Internal_Rela *rel,
|
|
|
|
|
bfd_byte *contents,
|
|
|
|
|
bfd_vma value,
|
|
|
|
|
bfd_vma location)
|
|
|
|
|
{
|
|
|
|
|
bfd_vma insn;
|
|
|
|
|
bfd_vma jtarget;
|
|
|
|
|
|
|
|
|
|
insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
|
|
|
|
|
|
|
|
|
value += rel->r_addend;
|
|
|
|
|
|
|
|
|
|
if (value & 3)
|
|
|
|
|
return bfd_reloc_dangerous;
|
|
|
|
|
|
|
|
|
|
jtarget = (value & 0x3fffc) | (location & 0xf0000000L);
|
|
|
|
|
|
|
|
|
|
if (jtarget != value)
|
|
|
|
|
return bfd_reloc_overflow;
|
|
|
|
|
|
|
|
|
|
insn = (insn & ~0xFFFF) | ((value >> 2) & 0xFFFF);
|
|
|
|
|
|
|
|
|
|
bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
|
|
|
|
|
return bfd_reloc_ok;
|
|
|
|
|
}
|
|
|
|
|
|
2005-02-11 18:15:32 +01:00
|
|
|
|
/* Map BFD reloc types to IQ2000 ELF reloc types. */
|
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
static reloc_howto_type *
|
2004-11-19 12:58:02 +01:00
|
|
|
|
iq2000_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
|
|
|
|
bfd_reloc_code_real_type code)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
/* Note that the iq2000_elf_howto_table is indxed by the R_
|
|
|
|
|
constants. Thus, the order that the howto records appear in the
|
|
|
|
|
table *must* match the order of the relocation types defined in
|
|
|
|
|
include/elf/iq2000.h. */
|
|
|
|
|
|
|
|
|
|
switch (code)
|
|
|
|
|
{
|
|
|
|
|
case BFD_RELOC_NONE:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_NONE];
|
|
|
|
|
case BFD_RELOC_16:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_16];
|
|
|
|
|
case BFD_RELOC_32:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_32];
|
|
|
|
|
case BFD_RELOC_MIPS_JMP:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_26];
|
|
|
|
|
case BFD_RELOC_IQ2000_OFFSET_16:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_OFFSET_16];
|
|
|
|
|
case BFD_RELOC_IQ2000_OFFSET_21:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_OFFSET_21];
|
|
|
|
|
case BFD_RELOC_16_PCREL_S2:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_PC16];
|
|
|
|
|
case BFD_RELOC_HI16:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_HI16];
|
|
|
|
|
case BFD_RELOC_IQ2000_UHI16:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_UHI16];
|
|
|
|
|
case BFD_RELOC_LO16:
|
|
|
|
|
return &iq2000_elf_howto_table[ (int) R_IQ2000_LO16];
|
|
|
|
|
case BFD_RELOC_VTABLE_INHERIT:
|
|
|
|
|
return &iq2000_elf_vtinherit_howto;
|
|
|
|
|
case BFD_RELOC_VTABLE_ENTRY:
|
|
|
|
|
return &iq2000_elf_vtentry_howto;
|
|
|
|
|
default:
|
|
|
|
|
/* Pacify gcc -Wall. */
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
2007-03-26 14:23:03 +02:00
|
|
|
|
static reloc_howto_type *
|
|
|
|
|
iq2000_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
|
|
|
|
|
{
|
|
|
|
|
unsigned int i;
|
|
|
|
|
|
|
|
|
|
for (i = 0;
|
|
|
|
|
i < (sizeof (iq2000_elf_howto_table)
|
|
|
|
|
/ sizeof (iq2000_elf_howto_table[0]));
|
|
|
|
|
i++)
|
|
|
|
|
if (iq2000_elf_howto_table[i].name != NULL
|
|
|
|
|
&& strcasecmp (iq2000_elf_howto_table[i].name, r_name) == 0)
|
|
|
|
|
return &iq2000_elf_howto_table[i];
|
|
|
|
|
|
|
|
|
|
if (strcasecmp (iq2000_elf_vtinherit_howto.name, r_name) == 0)
|
|
|
|
|
return &iq2000_elf_vtinherit_howto;
|
|
|
|
|
if (strcasecmp (iq2000_elf_vtentry_howto.name, r_name) == 0)
|
|
|
|
|
return &iq2000_elf_vtentry_howto;
|
|
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
|
|
|
|
/* Perform a single relocation. By default we use the standard BFD
|
|
|
|
|
routines. */
|
|
|
|
|
|
|
|
|
|
static bfd_reloc_status_type
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_final_link_relocate (reloc_howto_type * howto,
|
|
|
|
|
bfd * input_bfd,
|
|
|
|
|
asection * input_section,
|
|
|
|
|
bfd_byte * contents,
|
|
|
|
|
Elf_Internal_Rela * rel,
|
|
|
|
|
bfd_vma relocation)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
return _bfd_final_link_relocate (howto, input_bfd, input_section,
|
|
|
|
|
contents, rel->r_offset,
|
|
|
|
|
relocation, rel->r_addend);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Set the howto pointer for a IQ2000 ELF reloc. */
|
|
|
|
|
|
|
|
|
|
static void
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_info_to_howto_rela (bfd * abfd ATTRIBUTE_UNUSED,
|
|
|
|
|
arelent * cache_ptr,
|
|
|
|
|
Elf_Internal_Rela * dst)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
unsigned int r_type;
|
|
|
|
|
|
|
|
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
|
|
|
|
switch (r_type)
|
|
|
|
|
{
|
|
|
|
|
case R_IQ2000_GNU_VTINHERIT:
|
|
|
|
|
cache_ptr->howto = & iq2000_elf_vtinherit_howto;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case R_IQ2000_GNU_VTENTRY:
|
|
|
|
|
cache_ptr->howto = & iq2000_elf_vtentry_howto;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
cache_ptr->howto = & iq2000_elf_howto_table [r_type];
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Look through the relocs for a section during the first phase.
|
|
|
|
|
Since we don't do .gots or .plts, we just need to consider the
|
|
|
|
|
virtual table relocs for gc. */
|
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_check_relocs (bfd *abfd,
|
|
|
|
|
struct bfd_link_info *info,
|
|
|
|
|
asection *sec,
|
|
|
|
|
const Elf_Internal_Rela *relocs)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
Elf_Internal_Shdr *symtab_hdr;
|
2007-09-28 10:43:45 +02:00
|
|
|
|
struct elf_link_hash_entry **sym_hashes;
|
2003-05-09 13:35:35 +02:00
|
|
|
|
const Elf_Internal_Rela *rel;
|
|
|
|
|
const Elf_Internal_Rela *rel_end;
|
|
|
|
|
bfd_boolean changed = FALSE;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (info->relocatable)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
|
|
|
|
sym_hashes = elf_sym_hashes (abfd);
|
|
|
|
|
|
|
|
|
|
rel_end = relocs + sec->reloc_count;
|
|
|
|
|
for (rel = relocs; rel < rel_end; rel++)
|
|
|
|
|
{
|
|
|
|
|
struct elf_link_hash_entry *h;
|
|
|
|
|
unsigned long r_symndx;
|
|
|
|
|
|
|
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
|
|
|
h = NULL;
|
|
|
|
|
else
|
2005-06-20 20:12:11 +02:00
|
|
|
|
{
|
|
|
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
|
|
|
|
while (h->root.type == bfd_link_hash_indirect
|
|
|
|
|
|| h->root.type == bfd_link_hash_warning)
|
|
|
|
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
|
|
}
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
|
|
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
|
|
|
|
{
|
2004-11-02 13:52:32 +01:00
|
|
|
|
/* This relocation describes the C++ object vtable
|
|
|
|
|
hierarchy. Reconstruct it for later use during GC. */
|
2003-01-03 22:12:28 +01:00
|
|
|
|
case R_IQ2000_GNU_VTINHERIT:
|
* Makefile.am: Remove all mention of elflink.h.
* Makefile.in: Regenerate.
* bfd-in.h (bfd_elf_discard_info): Declare.
(bfd_elf32_discard_info, bfd_elf64_discard_info): Delete.
* bfd-in2.h: Regenerate.
* elf-bfd.h (bfd_elf32_print_symbol, bfd_elf64_print_symbol,
bfd_elf32_link_record_dynamic_symbol,
bfd_elf64_link_record_dynamic_symbol,
_bfd_elf_link_record_dynamic_symbol, bfd_elf32_bfd_final_link,
bfd_elf64_bfd_final_link, elf_link_record_local_dynamic_symbol,
_bfd_elf32_link_record_local_dynamic_symbol,
_bfd_elf64_link_record_local_dynamic_symbol,
_bfd_elf32_gc_sections, _bfd_elf32_gc_common_finalize_got_offsets,
_bfd_elf32_gc_common_final_link, _bfd_elf64_gc_common_final_link,
_bfd_elf32_gc_record_vtinherit, _bfd_elf32_gc_record_vtentry,
_bfd_elf64_gc_sections, _bfd_elf64_gc_common_finalize_got_offsets,
_bfd_elf64_gc_record_vtinherit, _bfd_elf64_gc_record_vtentry,
_bfd_elf32_reloc_symbol_deleted_p,
_bfd_elf64_reloc_symbol_deleted_p): Delete.
(bfd_elf_link_record_dynamic_symbol,
bfd_elf_link_record_local_dynamic_symbol,
bfd_elf_final_link, bfd_elf_gc_sections,
bfd_elf_gc_record_vtinherit, bfd_elf_gc_record_vtentry,
bfd_elf_gc_common_finalize_got_offsets, bfd_elf_gc_common_final_link,
bfd_elf_reloc_symbol_deleted_p): Declare.
(WILL_CALL_FINISH_DYNAMIC_SYMBOL): Define.
* elf32-arm.h: Update for changed function names. Remove local
WILL_CALL_FINISH_DYNAMIC_SECTION define.
* elf-hppa.h, elf-m10300.c, elf32-cris.c, elf32-d10v.c, elf32-dlx.c,
* elf32-fr30.c, elf32-frv.c, elf32-h8300.c, elf32-hppa.c, elf32-i386.c,
* elf32-iq2000.c, elf32-m32r.c, elf32-m68hc1x.c, elf32-m68k.c,
* elf32-mcore.c, elf32-openrisc.c, elf32-ppc.c, elf32-s390.c,
* elf32-sh.c, elf32-sparc.c, elf32-v850.c, elf32-vax.c,
* elf32-xstormy16.c, elf32-xtensa.c, elf64-alpha.c, elf64-hppa.c,
* elf64-mmix.c, elf64-ppc.c, elf64-s390.c, elf64-sh64.c, elf64-sparc.c,
* elf64-x86-64.c, elfxx-ia64.c, elfxx-mips.c, elfxx-target.h: Likewise.
* elfxx-target.h (bfd_elfNN_bfd_final_link): Define.
(bfd_elfNN_print_symbol): Define.
* elfcode.h: Don't include elflink.h.
(elf_bfd_discard_info, elf_reloc_symbol_deleted_p,
elf_link_record_dynamic_symbol, elf_bfd_final_link, elf_gc_sections,
elf_gc_common_finalize_got_offsets, elf_gc_common_final_link,
elf_gc_record_vtinherit, elf_gc_record_vtentry,
elf_link_record_local_dynamic_symbol): Don't define.
* elflink.c: Update for changed function names. Move elflink.h
code here.
* elflink.h: Delete file.
* po/SRC-POTFILES.in: Regenerate.
* po/bfd.pot: Regenerate.
doc/
* bfdint.texi: Remove all mention of elflink.h.
2004-03-27 11:58:09 +01:00
|
|
|
|
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
2003-01-03 22:12:28 +01:00
|
|
|
|
return FALSE;
|
|
|
|
|
break;
|
|
|
|
|
|
2004-11-02 13:52:32 +01:00
|
|
|
|
/* This relocation describes which C++ vtable entries
|
|
|
|
|
are actually used. Record for later use during GC. */
|
2003-01-03 22:12:28 +01:00
|
|
|
|
case R_IQ2000_GNU_VTENTRY:
|
2007-09-26 15:45:32 +02:00
|
|
|
|
BFD_ASSERT (h != NULL);
|
|
|
|
|
if (h != NULL
|
|
|
|
|
&& !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
2003-01-03 22:12:28 +01:00
|
|
|
|
return FALSE;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case R_IQ2000_32:
|
2004-11-02 13:52:32 +01:00
|
|
|
|
/* For debug section, change to special harvard-aware relocations. */
|
2006-09-16 20:12:17 +02:00
|
|
|
|
if (CONST_STRNEQ (sec->name, ".debug")
|
|
|
|
|
|| CONST_STRNEQ (sec->name, ".stab")
|
|
|
|
|
|| CONST_STRNEQ (sec->name, ".eh_frame"))
|
2003-05-09 13:35:35 +02:00
|
|
|
|
{
|
|
|
|
|
((Elf_Internal_Rela *) rel)->r_info
|
|
|
|
|
= ELF32_R_INFO (ELF32_R_SYM (rel->r_info), R_IQ2000_32_DEBUG);
|
|
|
|
|
changed = TRUE;
|
|
|
|
|
}
|
2003-01-03 22:12:28 +01:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
2003-05-09 13:35:35 +02:00
|
|
|
|
|
|
|
|
|
if (changed)
|
|
|
|
|
/* Note that we've changed relocs, otherwise if !info->keep_memory
|
|
|
|
|
we'll free the relocs and lose our changes. */
|
2004-10-28 11:53:44 +02:00
|
|
|
|
elf_section_data (sec)->relocs = (Elf_Internal_Rela *) relocs;
|
2003-05-09 13:35:35 +02:00
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Relocate a IQ2000 ELF section.
|
|
|
|
|
There is some attempt to make this function usable for many architectures,
|
|
|
|
|
both USE_REL and USE_RELA ['twould be nice if such a critter existed],
|
|
|
|
|
if only to serve as a learning tool.
|
|
|
|
|
|
|
|
|
|
The RELOCATE_SECTION function is called by the new ELF backend linker
|
|
|
|
|
to handle the relocations for a section.
|
|
|
|
|
|
|
|
|
|
The relocs are always passed as Rela structures; if the section
|
|
|
|
|
actually uses Rel structures, the r_addend field will always be
|
|
|
|
|
zero.
|
|
|
|
|
|
|
|
|
|
This function is responsible for adjusting the section contents as
|
2003-06-25 08:40:27 +02:00
|
|
|
|
necessary, and (if using Rela relocs and generating a relocatable
|
2003-01-03 22:12:28 +01:00
|
|
|
|
output file) adjusting the reloc addend as necessary.
|
|
|
|
|
|
|
|
|
|
This function does not have to worry about setting the reloc
|
|
|
|
|
address or the reloc symbol index.
|
|
|
|
|
|
|
|
|
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
|
|
|
|
|
|
|
|
|
LOCAL_SECTIONS is an array giving the section in the input file
|
|
|
|
|
corresponding to the st_shndx field of each local symbol.
|
|
|
|
|
|
|
|
|
|
The global hash table entry for the global symbols can be found
|
|
|
|
|
via elf_sym_hashes (input_bfd).
|
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
When generating relocatable output, this function must handle
|
2003-01-03 22:12:28 +01:00
|
|
|
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
|
|
|
|
going to be the section symbol corresponding to the output
|
|
|
|
|
section, which means that the addend must be adjusted
|
|
|
|
|
accordingly. */
|
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_relocate_section (bfd * output_bfd ATTRIBUTE_UNUSED,
|
|
|
|
|
struct bfd_link_info * info,
|
|
|
|
|
bfd * input_bfd,
|
|
|
|
|
asection * input_section,
|
|
|
|
|
bfd_byte * contents,
|
|
|
|
|
Elf_Internal_Rela * relocs,
|
|
|
|
|
Elf_Internal_Sym * local_syms,
|
|
|
|
|
asection ** local_sections)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
Elf_Internal_Shdr * symtab_hdr;
|
|
|
|
|
struct elf_link_hash_entry ** sym_hashes;
|
|
|
|
|
Elf_Internal_Rela * rel;
|
|
|
|
|
Elf_Internal_Rela * relend;
|
|
|
|
|
|
|
|
|
|
symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
|
|
|
|
|
sym_hashes = elf_sym_hashes (input_bfd);
|
|
|
|
|
relend = relocs + input_section->reloc_count;
|
|
|
|
|
|
|
|
|
|
for (rel = relocs; rel < relend; rel ++)
|
|
|
|
|
{
|
|
|
|
|
reloc_howto_type * howto;
|
|
|
|
|
unsigned long r_symndx;
|
|
|
|
|
Elf_Internal_Sym * sym;
|
|
|
|
|
asection * sec;
|
|
|
|
|
struct elf_link_hash_entry * h;
|
|
|
|
|
bfd_vma relocation;
|
|
|
|
|
bfd_reloc_status_type r;
|
|
|
|
|
const char * name = NULL;
|
|
|
|
|
int r_type;
|
|
|
|
|
|
|
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
|
|
|
|
|
|
|
|
|
if ( r_type == R_IQ2000_GNU_VTINHERIT
|
|
|
|
|
|| r_type == R_IQ2000_GNU_VTENTRY)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
|
|
|
|
|
|
|
howto = iq2000_elf_howto_table + ELF32_R_TYPE (rel->r_info);
|
|
|
|
|
h = NULL;
|
|
|
|
|
sym = NULL;
|
|
|
|
|
sec = NULL;
|
|
|
|
|
|
|
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
|
|
|
{
|
2008-02-12 20:11:55 +01:00
|
|
|
|
asection *osec;
|
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
sym = local_syms + r_symndx;
|
2008-02-12 20:11:55 +01:00
|
|
|
|
osec = sec = local_sections [r_symndx];
|
|
|
|
|
if ((sec->flags & SEC_MERGE)
|
|
|
|
|
&& ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
|
|
|
|
/* This relocation is relative to a section symbol that is
|
|
|
|
|
going to be merged. Change it so that it is relative
|
|
|
|
|
to the merged section symbol. */
|
|
|
|
|
rel->r_addend = _bfd_elf_rel_local_sym (output_bfd, sym, &sec,
|
|
|
|
|
rel->r_addend);
|
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
relocation = (sec->output_section->vma
|
|
|
|
|
+ sec->output_offset
|
|
|
|
|
+ sym->st_value);
|
|
|
|
|
|
|
|
|
|
name = bfd_elf_string_from_elf_section
|
|
|
|
|
(input_bfd, symtab_hdr->sh_link, sym->st_name);
|
2008-02-12 20:11:55 +01:00
|
|
|
|
name = (name == NULL) ? bfd_section_name (input_bfd, osec) : name;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2003-08-20 10:37:19 +02:00
|
|
|
|
bfd_boolean unresolved_reloc;
|
|
|
|
|
bfd_boolean warned;
|
|
|
|
|
|
* elf-bfd.h (RELOC_FOR_GLOBAL_SYMBOL): Add input_bfd, input_section
and rel args. Group input and output args. Wrap to 80 columns.
* elf-m10200.c, elf-m10300.c, elf32-arm.h, elf32-avr.c,
elf32-cris.c, elf32-d10v.c, elf32-fr30.c, elf32-h8300.c,
elf32-hppa.c, elf32-i386.c, elf32-i860.c, elf32-ip2k.c,
elf32-iq2000.c, elf32-m68hc1x.c, elf32-m68k.c, elf32-mcore.c,
elf32-msp430.c, elf32-openrisc.c, elf32-ppc.c, elf32-s390.c,
elf32-sparc.c, elf32-v850.c, elf32-vax.c, elf32-xstormy16.c,
elf32-xtensa.c, elf64-alpha.c, elf64-mmix.c, elf64-ppc.c,
elf64-s390.c, elf64-sparc.c, elf64-x86-64.c, elfxx-ia64.c: Update
RELOC_FOR_GLOBAL_SYMBOL invocation.
2004-03-22 03:28:17 +01:00
|
|
|
|
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
|
|
|
|
|
r_symndx, symtab_hdr, sym_hashes,
|
|
|
|
|
h, sec, relocation,
|
|
|
|
|
unresolved_reloc, warned);
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
|
|
|
|
name = h->root.root.string;
|
|
|
|
|
}
|
|
|
|
|
|
2007-03-07 09:54:35 +01:00
|
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
2010-10-25 17:54:16 +02:00
|
|
|
|
RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
|
|
|
|
|
rel, relend, howto, contents);
|
2007-03-07 09:54:35 +01:00
|
|
|
|
|
|
|
|
|
if (info->relocatable)
|
|
|
|
|
continue;
|
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
switch (r_type)
|
|
|
|
|
{
|
|
|
|
|
case R_IQ2000_HI16:
|
|
|
|
|
r = iq2000_elf_relocate_hi16 (input_bfd, rel, contents, relocation);
|
|
|
|
|
break;
|
|
|
|
|
|
2008-02-12 20:11:55 +01:00
|
|
|
|
case R_IQ2000_OFFSET_16:
|
|
|
|
|
r = iq2000_elf_relocate_offset16 (input_bfd, rel, contents, relocation,
|
|
|
|
|
input_section->output_section->vma
|
|
|
|
|
+ input_section->output_offset
|
|
|
|
|
+ rel->r_offset);
|
|
|
|
|
break;
|
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
case R_IQ2000_PC16:
|
|
|
|
|
rel->r_addend -= 4;
|
|
|
|
|
/* Fall through. */
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
r = iq2000_final_link_relocate (howto, input_bfd, input_section,
|
|
|
|
|
contents, rel, relocation);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (r != bfd_reloc_ok)
|
|
|
|
|
{
|
|
|
|
|
const char * msg = (const char *) NULL;
|
|
|
|
|
|
|
|
|
|
switch (r)
|
|
|
|
|
{
|
|
|
|
|
case bfd_reloc_overflow:
|
|
|
|
|
r = info->callbacks->reloc_overflow
|
2004-10-21 17:28:33 +02:00
|
|
|
|
(info, (h ? &h->root : NULL), name, howto->name,
|
|
|
|
|
(bfd_vma) 0, input_bfd, input_section, rel->r_offset);
|
2003-01-03 22:12:28 +01:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_reloc_undefined:
|
|
|
|
|
r = info->callbacks->undefined_symbol
|
|
|
|
|
(info, name, input_bfd, input_section, rel->r_offset, TRUE);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_reloc_outofrange:
|
|
|
|
|
msg = _("internal error: out of range error");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_reloc_notsupported:
|
|
|
|
|
msg = _("internal error: unsupported relocation error");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_reloc_dangerous:
|
|
|
|
|
msg = _("internal error: dangerous relocation");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
msg = _("internal error: unknown error");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (msg)
|
|
|
|
|
r = info->callbacks->warning
|
|
|
|
|
(info, msg, name, input_bfd, input_section, rel->r_offset);
|
|
|
|
|
|
|
|
|
|
if (! r)
|
|
|
|
|
return FALSE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Return the section that should be marked against GC for a given
|
|
|
|
|
relocation. */
|
|
|
|
|
|
|
|
|
|
static asection *
|
* elflink.c (_bfd_elf_gc_mark_hook): New function.
* elf-bfd.h (_bfd_elf_gc_mark_hook): Declare.
* elfxx-target.h (elf_backend_gc_mark_hook): Default to above.
* elf-m10300.c (mn10300_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
* elf32-arm.c (elf32_arm_gc_mark_hook): Likewise.
* elf32-cris.c (cris_elf_gc_mark_hook): Likewise.
* elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise.
* elf32-i386.c (elf_i386_gc_mark_hook): Likewise.
* elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise.
* elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise.
* elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise.
* elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise.
* elf32-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf32-score.c (_bfd_score_elf_gc_mark_hook): Likewise.
* elf32-sh.c (sh_elf_gc_mark_hook): Likewise.
* elf32-vax.c (elf_vax_gc_mark_hook): Likewise.
* elf32-xtensa.c (elf_xtensa_gc_mark_hook): Likewise.
* elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise.
* elf64-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.
* elfxx-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_gc_mark_hook): Likewise.
* elf32-bfin.c (bfin_gc_mark_hook): Likewise.
(bfinfdpic_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define for elf32-bfinfdpic.
* elf32-d10v.c (elf32_d10v_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(elf32_d10v_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-fr30.c (fr30_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(fr30_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-frv.c (elf32_frv_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(elf32_frv_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-iq2000.c (iq2000_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(iq2000_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-openrisc.c (openrisc_elf_gc_mark_hook): Use
_bfd_elf_gc_mark_hook.
(openrisc_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-v850.c (v850_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(v850_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Use
_bfd_elf_gc_mark_hook.
(xstormy16_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf64-sh64.c (sh_elf64_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(sh_elf64_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-avr.c (elf32_avr_gc_mark_hook): Delete.
(elf32_avr_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-cr16c.c (elf32_cr16c_gc_mark_hook): Delete.
(elf32_cr16c_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-crx.c (elf32_crx_gc_mark_hook): Delete.
(elf32_crx_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-h8300.c (elf32_h8_gc_mark_hook): Delete.
(elf32_h8_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-ip2k.c (ip2k_elf_gc_mark_hook): Delete.
(ip2k_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-m32c.c (m32c_elf_gc_mark_hook, m32c_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-m68hc11.c (elf_backend_gc_mark_hook): Don't define.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-m68hc12.c (elf_backend_gc_mark_hook): Don't define.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-m68hc1x.c (elf32_m68hc11_gc_mark_hook): Delete.
(elf32_m68hc11_gc_sweep_hook): Delete.
* elf32-m68hc1x.h (elf32_m68hc11_gc_mark_hook): Delete.
(elf32_m68hc11_gc_sweep_hook): Delete.
* elf32-msp430.c (elf32_msp430_gc_mark_hook): Delete.
(elf32_msp430_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-mt.c (mt_elf_gc_mark_hook, mt_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
2006-09-28 15:27:33 +02:00
|
|
|
|
iq2000_elf_gc_mark_hook (asection *sec,
|
|
|
|
|
struct bfd_link_info *info,
|
|
|
|
|
Elf_Internal_Rela *rel,
|
|
|
|
|
struct elf_link_hash_entry *h,
|
|
|
|
|
Elf_Internal_Sym *sym)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
* elflink.c (_bfd_elf_gc_mark_hook): New function.
* elf-bfd.h (_bfd_elf_gc_mark_hook): Declare.
* elfxx-target.h (elf_backend_gc_mark_hook): Default to above.
* elf-m10300.c (mn10300_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
* elf32-arm.c (elf32_arm_gc_mark_hook): Likewise.
* elf32-cris.c (cris_elf_gc_mark_hook): Likewise.
* elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise.
* elf32-i386.c (elf_i386_gc_mark_hook): Likewise.
* elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise.
* elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise.
* elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise.
* elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise.
* elf32-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf32-score.c (_bfd_score_elf_gc_mark_hook): Likewise.
* elf32-sh.c (sh_elf_gc_mark_hook): Likewise.
* elf32-vax.c (elf_vax_gc_mark_hook): Likewise.
* elf32-xtensa.c (elf_xtensa_gc_mark_hook): Likewise.
* elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise.
* elf64-s390.c (elf_s390_gc_mark_hook): Likewise.
* elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.
* elfxx-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
* elfxx-sparc.c (_bfd_sparc_elf_gc_mark_hook): Likewise.
* elf32-bfin.c (bfin_gc_mark_hook): Likewise.
(bfinfdpic_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define for elf32-bfinfdpic.
* elf32-d10v.c (elf32_d10v_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(elf32_d10v_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-fr30.c (fr30_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(fr30_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-frv.c (elf32_frv_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(elf32_frv_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-iq2000.c (iq2000_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(iq2000_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-openrisc.c (openrisc_elf_gc_mark_hook): Use
_bfd_elf_gc_mark_hook.
(openrisc_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-v850.c (v850_elf_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(v850_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Use
_bfd_elf_gc_mark_hook.
(xstormy16_elf_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf64-sh64.c (sh_elf64_gc_mark_hook): Use _bfd_elf_gc_mark_hook.
(sh_elf64_gc_sweep_hook): Delete.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-avr.c (elf32_avr_gc_mark_hook): Delete.
(elf32_avr_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-cr16c.c (elf32_cr16c_gc_mark_hook): Delete.
(elf32_cr16c_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-crx.c (elf32_crx_gc_mark_hook): Delete.
(elf32_crx_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-h8300.c (elf32_h8_gc_mark_hook): Delete.
(elf32_h8_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-ip2k.c (ip2k_elf_gc_mark_hook): Delete.
(ip2k_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-m32c.c (m32c_elf_gc_mark_hook, m32c_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-m68hc11.c (elf_backend_gc_mark_hook): Don't define.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-m68hc12.c (elf_backend_gc_mark_hook): Don't define.
(elf_backend_gc_sweep_hook): Don't define.
* elf32-m68hc1x.c (elf32_m68hc11_gc_mark_hook): Delete.
(elf32_m68hc11_gc_sweep_hook): Delete.
* elf32-m68hc1x.h (elf32_m68hc11_gc_mark_hook): Delete.
(elf32_m68hc11_gc_sweep_hook): Delete.
* elf32-msp430.c (elf32_msp430_gc_mark_hook): Delete.
(elf32_msp430_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
* elf32-mt.c (mt_elf_gc_mark_hook, mt_elf_gc_sweep_hook): Delete.
(elf_backend_gc_mark_hook, elf_backend_gc_mark_hook): Don't define.
2006-09-28 15:27:33 +02:00
|
|
|
|
if (h != NULL)
|
|
|
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
|
|
|
|
{
|
|
|
|
|
case R_IQ2000_GNU_VTINHERIT:
|
|
|
|
|
case R_IQ2000_GNU_VTENTRY:
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Return the MACH for an e_flags value. */
|
|
|
|
|
|
|
|
|
|
static int
|
2004-11-02 13:52:32 +01:00
|
|
|
|
elf32_iq2000_machine (bfd *abfd)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
switch (elf_elfheader (abfd)->e_flags & EF_IQ2000_CPU_MASK)
|
|
|
|
|
{
|
2004-11-02 13:52:32 +01:00
|
|
|
|
case EF_IQ2000_CPU_IQ10:
|
|
|
|
|
return bfd_mach_iq10;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
2004-11-02 13:52:32 +01:00
|
|
|
|
case EF_IQ2000_CPU_IQ2000:
|
|
|
|
|
default:
|
|
|
|
|
return bfd_mach_iq2000;
|
|
|
|
|
}
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Function to set the ELF flag bits. */
|
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_set_private_flags (bfd *abfd, flagword flags)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
elf_elfheader (abfd)->e_flags = flags;
|
|
|
|
|
elf_flags_init (abfd) = TRUE;
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Copy backend specific data from one object module to another. */
|
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
|
|
|
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
|
|
BFD_ASSERT (!elf_flags_init (obfd)
|
|
|
|
|
|| elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
|
|
|
|
|
|
|
|
|
|
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
|
|
|
|
|
elf_flags_init (obfd) = TRUE;
|
bfd:
* elf-attrs.c: New.
* Makefile.am (BFD32_BACKENDS): Add elf-attrs.lo.
(BFD32_BACKENDS_CFILES): Add elf-attrs.c.
(elf-attrs.lo): Generate dependencies.
* Makefile.in: Regenerate.
* configure.in (elf): Add elf-attrs.lo.
* configure: Regenerate.
* elf-bfd.h (struct elf_backend_data): Add entries for object
attributes.
(NUM_KNOWN_OBJ_ATTRIBUTES, obj_attribute, obj_attribute_list,
OBJ_ATTR_PROC, OBJ_ATTR_GNU, OBJ_ATTR_FIRST, OBJ_ATTR_LAST,
Tag_NULL, Tag_File, Tag_Section, Tag_Symbol, Tag_compatibility):
New.
(struct elf_obj_tdata): Add entries for object attributes.
(elf_known_obj_attributes, elf_other_obj_attributes,
elf_known_obj_attributes_proc, elf_other_obj_attributes_proc):
New.
(bfd_elf_obj_attr_size, bfd_elf_set_obj_attr_contents,
bfd_elf_get_obj_attr_int, bfd_elf_add_obj_attr_int,
bfd_elf_add_proc_attr_int, bfd_elf_add_obj_attr_string,
bfd_elf_add_proc_attr_string, bfd_elf_add_obj_attr_compat,
bfd_elf_add_proc_attr_compat, _bfd_elf_attr_strdup,
_bfd_elf_copy_obj_attributes, _bfd_elf_obj_attrs_arg_type,
_bfd_elf_parse_attributes, _bfd_elf_merge_object_attributes): New.
* elf.c (_bfd_elf_copy_private_bfd_data): Copy object attributes.
(bfd_section_from_shdr): Handle attributes sections.
* elflink.c (bfd_elf_final_link): Handle attributes sections.
* elfxx-target.h (elf_backend_obj_attrs_vendor,
elf_backend_obj_attrs_section, elf_backend_obj_attrs_arg_type,
elf_backend_obj_attrs_section_type): New.
(elfNN_bed): Update.
* elf32-arm.c (NUM_KNOWN_ATTRIBUTES, aeabi_attribute,
aeabi_attribute_list): Remove.
(struct elf32_arm_obj_tdata): Remove object attributes fields.
(check_use_blx, bfd_elf32_arm_set_vfp11_fix, using_thumb2,
elf32_arm_copy_private_bfd_data, elf32_arm_merge_eabi_attributes):
Update for new object attributes interfaces.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, elf32_arm_get_eabi_attr_int,
elf32_arm_add_eabi_attr_int, attr_strdup,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
copy_eabi_attributes, elf32_arm_parse_attributes): Remove. Moved
to generic code in elf-attrs.c.
(elf32_arm_obj_attrs_arg_type): New.
(elf32_arm_fake_sections): Do not handle .ARM.attributes.
(elf32_arm_section_from_shdr): Do not handle SHT_ARM_ATTRIBUTES.
(bfd_elf32_bfd_final_link): Remove.
(elf_backend_obj_attrs_vendor, elf_backend_obj_attrs_section,
elf_backend_obj_attrs_arg_type,
elf_backend_obj_attrs_section_type): New.
* elf32-bfin.c (bfin_elf_copy_private_bfd_data): Copy object
attributes.
* elf32-frv.c (frv_elf_copy_private_bfd_data): Likewise.
* elf32-iq2000.c (iq2000_elf_copy_private_bfd_data): Likewise.
* elf32-mep.c (mep_elf_copy_private_bfd_data): Likewise.
* elf32-mt.c (mt_elf_copy_private_bfd_data): Likewise.
* elf32-sh.c (sh_elf_copy_private_data): Likewise.
* elf64-sh64.c (sh_elf64_copy_private_data_internal): Likewise.
binutils:
* readelf.c (display_gnu_attribute): New.
(process_arm_specific): Rearrange as process_attributes.
(process_arm_specific): Replace by wrapper of process_attributes.
gas:
* as.c (create_obj_attrs_section): New.
(main): Call create_obj_attrs_section for ELF.
* read.c (s_gnu_attribute, skip_whitespace, skip_past_char,
skip_past_comma, s_vendor_attribute): New.
(potable): Add gnu_attribute for ELF.
* read.h (s_vendor_attribute): Declare.
* config/tc-arm.c (s_arm_eabi_attribute): Replace by wrapper
round s_vendor_attribute.
(aeabi_set_public_attributes): Update for new attributes
interfaces.
(arm_md_end): Remove attributes contents setting now done
generically.
include/elf:
* arm.h (elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_string, elf32_arm_add_eabi_attr_compat,
elf32_arm_get_eabi_attr_int, elf32_arm_set_eabi_attr_contents,
elf32_arm_eabi_attr_size, Tag_NULL, Tag_File, Tag_Section,
Tag_Symbol, Tag_compatibility): Remove.
* common.h (SHT_GNU_ATTRIBUTES): Define.
ld:
* emulparams/armelf.sh (OTHER_SECTIONS): Remove .ARM.attributes.
(ATTRS_SECTIONS): Define.
* scripttempl/elf.sc, scripttempl/elf32sh-symbian.sc,
scripttempl/elf_chaos.sc, scripttempl/elfi370.sc,
scripttempl/elfxtensa.sc: Handle ATTRS_SECTIONS.
2007-06-29 18:29:17 +02:00
|
|
|
|
|
|
|
|
|
/* Copy object attributes. */
|
|
|
|
|
_bfd_elf_copy_obj_attributes (ibfd, obfd);
|
|
|
|
|
|
2003-01-03 22:12:28 +01:00
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
2004-11-02 13:52:32 +01:00
|
|
|
|
/* Merge backend specific data from an object
|
|
|
|
|
file to the output object file when linking. */
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
flagword old_flags, old_partial;
|
|
|
|
|
flagword new_flags, new_partial;
|
|
|
|
|
bfd_boolean error = FALSE;
|
|
|
|
|
char new_opt[80];
|
|
|
|
|
char old_opt[80];
|
|
|
|
|
|
|
|
|
|
new_opt[0] = old_opt[0] = '\0';
|
|
|
|
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
|
|
|
|
old_flags = elf_elfheader (obfd)->e_flags;
|
|
|
|
|
|
|
|
|
|
if (!elf_flags_init (obfd))
|
|
|
|
|
{
|
|
|
|
|
/* First call, no flags set. */
|
|
|
|
|
elf_flags_init (obfd) = TRUE;
|
|
|
|
|
elf_elfheader (obfd)->e_flags = new_flags;
|
|
|
|
|
}
|
|
|
|
|
|
2004-11-02 13:52:32 +01:00
|
|
|
|
else if (new_flags != old_flags)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
2004-11-02 13:52:32 +01:00
|
|
|
|
/* Warn if different cpu is used, but allow a
|
|
|
|
|
specific cpu to override the generic cpu. */
|
2003-01-03 22:12:28 +01:00
|
|
|
|
new_partial = (new_flags & EF_IQ2000_CPU_MASK);
|
|
|
|
|
old_partial = (old_flags & EF_IQ2000_CPU_MASK);
|
|
|
|
|
|
2004-11-02 13:52:32 +01:00
|
|
|
|
if (new_partial != old_partial)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
switch (new_partial)
|
|
|
|
|
{
|
2004-11-02 13:52:32 +01:00
|
|
|
|
case EF_IQ2000_CPU_IQ10:
|
|
|
|
|
strcat (new_opt, " -m10");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
case EF_IQ2000_CPU_IQ2000:
|
|
|
|
|
strcat (new_opt, " -m2000");
|
|
|
|
|
break;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (old_partial)
|
|
|
|
|
{
|
2004-11-02 13:52:32 +01:00
|
|
|
|
case EF_IQ2000_CPU_IQ10:
|
|
|
|
|
strcat (old_opt, " -m10");
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
case EF_IQ2000_CPU_IQ2000:
|
|
|
|
|
strcat (old_opt, " -m2000");
|
|
|
|
|
break;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Print out any mismatches from above. */
|
|
|
|
|
if (new_opt[0])
|
|
|
|
|
{
|
|
|
|
|
error = TRUE;
|
2004-11-02 13:52:32 +01:00
|
|
|
|
_bfd_error_handler
|
2003-01-03 22:12:28 +01:00
|
|
|
|
(_("%s: compiled with %s and linked with modules compiled with %s"),
|
|
|
|
|
bfd_get_filename (ibfd), new_opt, old_opt);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
new_flags &= ~ EF_IQ2000_ALL_FLAGS;
|
|
|
|
|
old_flags &= ~ EF_IQ2000_ALL_FLAGS;
|
|
|
|
|
|
|
|
|
|
/* Warn about any other mismatches. */
|
|
|
|
|
if (new_flags != old_flags)
|
|
|
|
|
{
|
|
|
|
|
error = TRUE;
|
2004-11-02 13:52:32 +01:00
|
|
|
|
|
|
|
|
|
_bfd_error_handler
|
2003-01-03 22:12:28 +01:00
|
|
|
|
(_("%s: uses different e_flags (0x%lx) fields than previous modules (0x%lx)"),
|
|
|
|
|
bfd_get_filename (ibfd), (long)new_flags, (long)old_flags);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (error)
|
|
|
|
|
bfd_set_error (bfd_error_bad_value);
|
|
|
|
|
|
|
|
|
|
return !error;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_print_private_bfd_data (bfd *abfd, void * ptr)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
FILE *file = (FILE *) ptr;
|
|
|
|
|
flagword flags;
|
|
|
|
|
|
|
|
|
|
BFD_ASSERT (abfd != NULL && ptr != NULL);
|
|
|
|
|
|
|
|
|
|
/* Print normal ELF private data. */
|
|
|
|
|
_bfd_elf_print_private_bfd_data (abfd, ptr);
|
|
|
|
|
|
|
|
|
|
flags = elf_elfheader (abfd)->e_flags;
|
2008-07-30 06:34:58 +02:00
|
|
|
|
fprintf (file, _("private flags = 0x%lx:"), (unsigned long) flags);
|
2003-01-03 22:12:28 +01:00
|
|
|
|
|
|
|
|
|
switch (flags & EF_IQ2000_CPU_MASK)
|
|
|
|
|
{
|
2004-11-02 13:52:32 +01:00
|
|
|
|
case EF_IQ2000_CPU_IQ10:
|
|
|
|
|
fprintf (file, " -m10");
|
|
|
|
|
break;
|
|
|
|
|
case EF_IQ2000_CPU_IQ2000:
|
|
|
|
|
fprintf (file, " -m2000");
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fputc ('\n', file);
|
2003-05-09 13:35:35 +02:00
|
|
|
|
return TRUE;
|
2003-01-03 22:12:28 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static
|
|
|
|
|
bfd_boolean
|
2004-11-02 13:52:32 +01:00
|
|
|
|
iq2000_elf_object_p (bfd *abfd)
|
2003-01-03 22:12:28 +01:00
|
|
|
|
{
|
|
|
|
|
bfd_default_set_arch_mach (abfd, bfd_arch_iq2000,
|
|
|
|
|
elf32_iq2000_machine (abfd));
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define ELF_ARCH bfd_arch_iq2000
|
|
|
|
|
#define ELF_MACHINE_CODE EM_IQ2000
|
|
|
|
|
#define ELF_MAXPAGESIZE 0x1000
|
|
|
|
|
|
|
|
|
|
#define TARGET_BIG_SYM bfd_elf32_iq2000_vec
|
|
|
|
|
#define TARGET_BIG_NAME "elf32-iq2000"
|
|
|
|
|
|
|
|
|
|
#define elf_info_to_howto_rel NULL
|
|
|
|
|
#define elf_info_to_howto iq2000_info_to_howto_rela
|
|
|
|
|
#define elf_backend_relocate_section iq2000_elf_relocate_section
|
|
|
|
|
#define elf_backend_gc_mark_hook iq2000_elf_gc_mark_hook
|
|
|
|
|
#define elf_backend_check_relocs iq2000_elf_check_relocs
|
|
|
|
|
#define elf_backend_object_p iq2000_elf_object_p
|
|
|
|
|
#define elf_backend_rela_normal 1
|
|
|
|
|
|
|
|
|
|
#define elf_backend_can_gc_sections 1
|
|
|
|
|
|
|
|
|
|
#define bfd_elf32_bfd_reloc_type_lookup iq2000_reloc_type_lookup
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2007-03-26 14:23:03 +02:00
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#define bfd_elf32_bfd_reloc_name_lookup iq2000_reloc_name_lookup
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2003-01-03 22:12:28 +01:00
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#define bfd_elf32_bfd_set_private_flags iq2000_elf_set_private_flags
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#define bfd_elf32_bfd_copy_private_bfd_data iq2000_elf_copy_private_bfd_data
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#define bfd_elf32_bfd_merge_private_bfd_data iq2000_elf_merge_private_bfd_data
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#define bfd_elf32_bfd_print_private_bfd_data iq2000_elf_print_private_bfd_data
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#include "elf32-target.h"
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