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markom |
/* D30V-specific support for 32-bit ELF
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Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
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Contributed by Martin Hunt (hunt@cygnus.com).
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This file is part of BFD, the Binary File Descriptor library.
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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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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "elf-bfd.h"
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static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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static void d30v_info_to_howto_rel
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
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static void d30v_info_to_howto_rela
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
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static bfd_reloc_status_type bfd_elf_d30v_reloc PARAMS ((
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bfd *abfd,
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arelent *reloc_entry,
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asymbol *symbol,
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PTR data,
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asection *input_section,
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bfd *output_bfd,
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char **error_message));
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static bfd_reloc_status_type bfd_elf_d30v_reloc_21 PARAMS ((
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bfd *abfd,
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arelent *reloc_entry,
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asymbol *symbol,
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PTR data,
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asection *input_section,
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bfd *output_bfd,
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char **error_message));
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enum reloc_type
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{
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R_D30V_NONE = 0,
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R_D30V_6,
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R_D30V_9_PCREL,
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R_D30V_9_PCREL_R,
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R_D30V_15,
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R_D30V_15_PCREL,
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R_D30V_15_PCREL_R,
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R_D30V_21,
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R_D30V_21_PCREL,
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R_D30V_21_PCREL_R,
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R_D30V_32,
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R_D30V_32_PCREL,
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R_D30V_32_NORMAL,
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R_D30V_max
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};
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static reloc_howto_type elf_d30v_howto_table[] =
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{
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/* This reloc does nothing. */
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HOWTO (R_D30V_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_D30V_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 6 bit absolute relocation */
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HOWTO (R_D30V_6, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* 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_D30V_6", /* name */
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false, /* partial_inplace */
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0x3f, /* src_mask */
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0x3f, /* dst_mask */
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false), /* pcrel_offset */
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/* A relative 9 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_9_PCREL, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* 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_d30v_reloc_21, /* special_function */
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"R_D30V_9_PCREL", /* name */
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false, /* partial_inplace */
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0x3f, /* src_mask */
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0x3f, /* dst_mask */
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true), /* pcrel_offset */
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/* A relative 9 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_9_PCREL_R, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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6, /* 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_d30v_reloc_21, /* special_function */
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"R_D30V_9_PCREL_R", /* name */
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false, /* partial_inplace */
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0x3f, /* src_mask */
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0x3f, /* dst_mask */
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true), /* pcrel_offset */
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/* An absolute 15 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_15, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* bitsize */
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false, /* 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_D30V_15", /* name */
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false, /* partial_inplace */
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0xfff, /* src_mask */
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0xfff, /* dst_mask */
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false), /* pcrel_offset */
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/* A relative 15 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_15_PCREL, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* 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_d30v_reloc_21, /* special_function */
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"R_D30V_15_PCREL", /* name */
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false, /* partial_inplace */
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0xfff, /* src_mask */
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0xfff, /* dst_mask */
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true), /* pcrel_offset */
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/* A relative 15 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_15_PCREL_R, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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12, /* 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_d30v_reloc_21, /* special_function */
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"R_D30V_15_PCREL_R", /* name */
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false, /* partial_inplace */
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0xfff, /* src_mask */
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0xfff, /* dst_mask */
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true), /* pcrel_offset */
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/* An absolute 21 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_21, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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18, /* bitsize */
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false, /* 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_D30V_21", /* name */
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false, /* partial_inplace */
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0x3ffff, /* src_mask */
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0x3ffff, /* dst_mask */
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false), /* pcrel_offset */
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/* A relative 21 bit relocation, right shifted by 3 */
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HOWTO (R_D30V_21_PCREL, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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18, /* 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_d30v_reloc_21, /* special_function */
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"R_D30V_21_PCREL", /* name */
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false, /* partial_inplace */
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0x3ffff, /* src_mask */
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0x3ffff, /* dst_mask */
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true), /* pcrel_offset */
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/* A relative 21 bit relocation, right shifted by 3, in the Right container */
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HOWTO (R_D30V_21_PCREL_R, /* type */
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3, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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18, /* 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_d30v_reloc_21, /* special_function */
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"R_D30V_21_PCREL_R", /* name */
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false, /* partial_inplace */
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0x3ffff, /* src_mask */
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0x3ffff, /* dst_mask */
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true), /* pcrel_offset */
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/* A D30V 32 bit absolute relocation */
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HOWTO (R_D30V_32, /* type */
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0, /* rightshift */
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4, /* 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_d30v_reloc, /* special_function */
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"R_D30V_32", /* name */
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false, /* partial_inplace */
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0xffffffff, /* src_mask */
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0xffffffff, /* dst_mask */
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false), /* pcrel_offset */
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/* A relative 32 bit relocation */
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HOWTO (R_D30V_32_PCREL, /* type */
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0, /* rightshift */
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4, /* size (0 = byte, 1 = short, 2 = long) */
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32, /* bitsize */
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true, /* pc_relative */
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| 240 |
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0, /* bitpos */
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| 241 |
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complain_overflow_signed, /* complain_on_overflow */
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| 242 |
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bfd_elf_d30v_reloc, /* special_function */
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"R_D30V_32_PCREL", /* name */
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false, /* partial_inplace */
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| 245 |
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0xffffffff, /* src_mask */
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| 246 |
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0xffffffff, /* dst_mask */
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| 247 |
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true), /* pcrel_offset */
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| 248 |
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| 249 |
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/* A regular 32 bit absolute relocation */
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HOWTO (R_D30V_32_NORMAL, /* type */
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| 251 |
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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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| 254 |
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false, /* pc_relative */
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| 255 |
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0, /* bitpos */
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| 256 |
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complain_overflow_bitfield, /* complain_on_overflow */
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| 257 |
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bfd_elf_generic_reloc, /* special_function */
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| 258 |
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"R_D30V_32_NORMAL", /* name */
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| 259 |
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false, /* partial_inplace */
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| 260 |
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0xffffffff, /* src_mask */
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| 261 |
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0xffffffff, /* dst_mask */
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| 262 |
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false), /* pcrel_offset */
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| 263 |
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| 264 |
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};
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| 265 |
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| 266 |
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#define MIN32 (long long)0xffffffff80000000LL
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| 267 |
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#define MAX32 0x7fffffffLL
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| 268 |
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| 269 |
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static bfd_reloc_status_type
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| 270 |
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bfd_elf_d30v_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
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| 271 |
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bfd *abfd;
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| 272 |
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arelent *reloc_entry;
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| 273 |
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asymbol *symbol;
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| 274 |
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PTR data;
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| 275 |
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asection *input_section;
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| 276 |
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bfd *output_bfd;
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| 277 |
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char **error_message;
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| 278 |
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{
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| 279 |
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long long relocation;
|
| 280 |
|
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bfd_vma in1, in2, num;
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| 281 |
|
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bfd_vma tmp_addr = 0;
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| 282 |
|
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bfd_reloc_status_type r;
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| 283 |
|
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asection *reloc_target_output_section;
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| 284 |
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bfd_size_type addr = reloc_entry->address;
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| 285 |
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bfd_reloc_status_type flag = bfd_reloc_ok;
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| 286 |
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bfd_vma output_base = 0;
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| 287 |
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reloc_howto_type *howto = reloc_entry->howto;
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| 288 |
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int make_absolute = 0;
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| 289 |
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|
| 290 |
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r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
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| 291 |
|
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input_section, output_bfd, error_message);
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| 292 |
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if (r != bfd_reloc_continue)
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| 293 |
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return r;
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| 294 |
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| 295 |
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/* a hacked-up version of bfd_perform_reloc() follows */
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| 296 |
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if (bfd_is_und_section (symbol->section)
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| 297 |
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&& (symbol->flags & BSF_WEAK) == 0
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| 298 |
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&& output_bfd == (bfd *) NULL)
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| 299 |
|
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flag = bfd_reloc_undefined;
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| 300 |
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| 301 |
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/* Is the address of the relocation really within the section? */
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| 302 |
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if (reloc_entry->address > input_section->_cooked_size)
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| 303 |
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return bfd_reloc_outofrange;
|
| 304 |
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|
|
| 305 |
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/* Work out which section the relocation is targetted at and the
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| 306 |
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initial relocation command value. */
|
| 307 |
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| 308 |
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/* Get symbol value. (Common symbols are special.) */
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| 309 |
|
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if (bfd_is_com_section (symbol->section))
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| 310 |
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relocation = 0;
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| 311 |
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else
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| 312 |
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relocation = symbol->value;
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| 313 |
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| 314 |
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reloc_target_output_section = symbol->section->output_section;
|
| 315 |
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| 316 |
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/* Convert input-section-relative symbol value to absolute. */
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| 317 |
|
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if (output_bfd)
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| 318 |
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output_base = 0;
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| 319 |
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else
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| 320 |
|
|
output_base = reloc_target_output_section->vma;
|
| 321 |
|
|
|
| 322 |
|
|
relocation += output_base + symbol->section->output_offset;
|
| 323 |
|
|
|
| 324 |
|
|
/* Add in supplied addend. */
|
| 325 |
|
|
relocation += reloc_entry->addend;
|
| 326 |
|
|
|
| 327 |
|
|
/* Here the variable relocation holds the final address of the
|
| 328 |
|
|
symbol we are relocating against, plus any addend. */
|
| 329 |
|
|
|
| 330 |
|
|
if (howto->pc_relative == true)
|
| 331 |
|
|
{
|
| 332 |
|
|
tmp_addr = input_section->output_section->vma + input_section->output_offset
|
| 333 |
|
|
+ reloc_entry->address;
|
| 334 |
|
|
relocation -= tmp_addr;
|
| 335 |
|
|
}
|
| 336 |
|
|
|
| 337 |
|
|
if (output_bfd != (bfd *) NULL)
|
| 338 |
|
|
{
|
| 339 |
|
|
/* This is a partial relocation, and we want to apply the relocation
|
| 340 |
|
|
to the reloc entry rather than the raw data. Modify the reloc
|
| 341 |
|
|
inplace to reflect what we now know. */
|
| 342 |
|
|
reloc_entry->addend = relocation;
|
| 343 |
|
|
reloc_entry->address += input_section->output_offset;
|
| 344 |
|
|
return flag;
|
| 345 |
|
|
}
|
| 346 |
|
|
else
|
| 347 |
|
|
reloc_entry->addend = 0;
|
| 348 |
|
|
|
| 349 |
|
|
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
| 350 |
|
|
in2 = bfd_get_32 (abfd, (bfd_byte *) data + addr + 4);
|
| 351 |
|
|
|
| 352 |
|
|
/* extract the addend */
|
| 353 |
|
|
num = ((in2 & 0x3FFFF)
|
| 354 |
|
|
| ((in2 & 0xFF00000) >> 2)
|
| 355 |
|
|
| ((in1 & 0x3F) << 26));
|
| 356 |
|
|
in1 &= 0xFFFFFFC0;
|
| 357 |
|
|
in2 = 0x80000000;
|
| 358 |
|
|
|
| 359 |
|
|
relocation += num;
|
| 360 |
|
|
|
| 361 |
|
|
if (howto->pc_relative == true && howto->bitsize == 32)
|
| 362 |
|
|
{
|
| 363 |
|
|
/* the D30V has a PC that doesn't wrap and PC-relative jumps */
|
| 364 |
|
|
/* are signed, so a PC-relative jump can'tbe more than +/- 2^31 byrtes */
|
| 365 |
|
|
/* if one exceeds this, change it to an absolute jump */
|
| 366 |
|
|
if (relocation > MAX32)
|
| 367 |
|
|
{
|
| 368 |
|
|
relocation = (relocation + tmp_addr) & 0xffffffff;
|
| 369 |
|
|
make_absolute = 1;
|
| 370 |
|
|
}
|
| 371 |
|
|
else if (relocation < MIN32)
|
| 372 |
|
|
{
|
| 373 |
|
|
relocation = (relocation + tmp_addr) & 0xffffffff;
|
| 374 |
|
|
make_absolute = 1;
|
| 375 |
|
|
}
|
| 376 |
|
|
}
|
| 377 |
|
|
|
| 378 |
|
|
in1 |= (relocation >> 26) & 0x3F; /* top 6 bits */
|
| 379 |
|
|
in2 |= ((relocation & 0x03FC0000) << 2); /* next 8 bits */
|
| 380 |
|
|
in2 |= relocation & 0x0003FFFF; /* bottom 18 bits */
|
| 381 |
|
|
|
| 382 |
|
|
/* change a PC-relative instruction to its absolute equivalent */
|
| 383 |
|
|
/* with this simple hack */
|
| 384 |
|
|
if (make_absolute)
|
| 385 |
|
|
in1 |= 0x00100000;
|
| 386 |
|
|
|
| 387 |
|
|
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
|
| 388 |
|
|
bfd_put_32 (abfd, in2, (bfd_byte *) data + addr + 4);
|
| 389 |
|
|
|
| 390 |
|
|
return flag;
|
| 391 |
|
|
}
|
| 392 |
|
|
|
| 393 |
|
|
|
| 394 |
|
|
static bfd_reloc_status_type
|
| 395 |
|
|
bfd_elf_d30v_reloc_21 (abfd, reloc_entry, symbol, data, input_section, output_bfd, error_message)
|
| 396 |
|
|
bfd *abfd;
|
| 397 |
|
|
arelent *reloc_entry;
|
| 398 |
|
|
asymbol *symbol;
|
| 399 |
|
|
PTR data;
|
| 400 |
|
|
asection *input_section;
|
| 401 |
|
|
bfd *output_bfd;
|
| 402 |
|
|
char **error_message;
|
| 403 |
|
|
{
|
| 404 |
|
|
bfd_vma relocation;
|
| 405 |
|
|
bfd_vma in1, num;
|
| 406 |
|
|
bfd_reloc_status_type r;
|
| 407 |
|
|
asection *reloc_target_output_section;
|
| 408 |
|
|
bfd_size_type addr = reloc_entry->address;
|
| 409 |
|
|
bfd_reloc_status_type flag = bfd_reloc_ok;
|
| 410 |
|
|
bfd_vma output_base = 0;
|
| 411 |
|
|
reloc_howto_type *howto = reloc_entry->howto;
|
| 412 |
|
|
int mask, max;
|
| 413 |
|
|
|
| 414 |
|
|
r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
|
| 415 |
|
|
input_section, output_bfd, error_message);
|
| 416 |
|
|
if (r != bfd_reloc_continue)
|
| 417 |
|
|
return r;
|
| 418 |
|
|
|
| 419 |
|
|
/* a hacked-up version of bfd_perform_reloc() follows */
|
| 420 |
|
|
if (bfd_is_und_section (symbol->section)
|
| 421 |
|
|
&& (symbol->flags & BSF_WEAK) == 0
|
| 422 |
|
|
&& output_bfd == (bfd *) NULL)
|
| 423 |
|
|
flag = bfd_reloc_undefined;
|
| 424 |
|
|
|
| 425 |
|
|
/* Is the address of the relocation really within the section? */
|
| 426 |
|
|
if (reloc_entry->address > input_section->_cooked_size)
|
| 427 |
|
|
return bfd_reloc_outofrange;
|
| 428 |
|
|
|
| 429 |
|
|
/* Work out which section the relocation is targetted at and the
|
| 430 |
|
|
initial relocation command value. */
|
| 431 |
|
|
|
| 432 |
|
|
/* Get symbol value. (Common symbols are special.) */
|
| 433 |
|
|
if (bfd_is_com_section (symbol->section))
|
| 434 |
|
|
relocation = 0;
|
| 435 |
|
|
else
|
| 436 |
|
|
relocation = symbol->value;
|
| 437 |
|
|
|
| 438 |
|
|
reloc_target_output_section = symbol->section->output_section;
|
| 439 |
|
|
|
| 440 |
|
|
/* Convert input-section-relative symbol value to absolute. */
|
| 441 |
|
|
if (output_bfd)
|
| 442 |
|
|
output_base = 0;
|
| 443 |
|
|
else
|
| 444 |
|
|
output_base = reloc_target_output_section->vma;
|
| 445 |
|
|
|
| 446 |
|
|
relocation += output_base + symbol->section->output_offset;
|
| 447 |
|
|
|
| 448 |
|
|
/* Add in supplied addend. */
|
| 449 |
|
|
relocation += reloc_entry->addend;
|
| 450 |
|
|
|
| 451 |
|
|
/* Here the variable relocation holds the final address of the
|
| 452 |
|
|
symbol we are relocating against, plus any addend. */
|
| 453 |
|
|
|
| 454 |
|
|
if (howto->pc_relative == true)
|
| 455 |
|
|
{
|
| 456 |
|
|
relocation -= input_section->output_section->vma + input_section->output_offset;
|
| 457 |
|
|
if (howto->pcrel_offset == true)
|
| 458 |
|
|
relocation -= reloc_entry->address;
|
| 459 |
|
|
}
|
| 460 |
|
|
|
| 461 |
|
|
if (output_bfd != (bfd *) NULL)
|
| 462 |
|
|
{
|
| 463 |
|
|
/* This is a partial relocation, and we want to apply the relocation
|
| 464 |
|
|
to the reloc entry rather than the raw data. Modify the reloc
|
| 465 |
|
|
inplace to reflect what we now know. */
|
| 466 |
|
|
reloc_entry->addend = relocation;
|
| 467 |
|
|
reloc_entry->address += input_section->output_offset;
|
| 468 |
|
|
return flag;
|
| 469 |
|
|
}
|
| 470 |
|
|
else
|
| 471 |
|
|
reloc_entry->addend = 0;
|
| 472 |
|
|
|
| 473 |
|
|
in1 = bfd_get_32 (abfd, (bfd_byte *) data + addr);
|
| 474 |
|
|
|
| 475 |
|
|
mask = (1 << howto->bitsize) - 1;
|
| 476 |
|
|
if (howto->bitsize == 6)
|
| 477 |
|
|
mask <<= 12;
|
| 478 |
|
|
max = (1 << (howto->bitsize + 2)) - 1;
|
| 479 |
|
|
|
| 480 |
|
|
/* extract the addend */
|
| 481 |
|
|
num = in1 & mask; /* 18 bits */
|
| 482 |
|
|
if (howto->bitsize == 6)
|
| 483 |
|
|
num >>= 12;
|
| 484 |
|
|
num <<= 3; /* shift left 3 */
|
| 485 |
|
|
in1 &= ~mask; /* mask out addend */
|
| 486 |
|
|
|
| 487 |
|
|
relocation += num;
|
| 488 |
|
|
if (howto->type == R_D30V_21_PCREL_R || howto->type == R_D30V_15_PCREL_R ||
|
| 489 |
|
|
howto->type == R_D30V_9_PCREL_R )
|
| 490 |
|
|
{
|
| 491 |
|
|
relocation += 4;
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
if ((int)relocation < 0 )
|
| 495 |
|
|
{
|
| 496 |
|
|
if (~(int)relocation > max)
|
| 497 |
|
|
flag = bfd_reloc_overflow;
|
| 498 |
|
|
}
|
| 499 |
|
|
else
|
| 500 |
|
|
{
|
| 501 |
|
|
if ((int)relocation > max)
|
| 502 |
|
|
flag = bfd_reloc_overflow;
|
| 503 |
|
|
}
|
| 504 |
|
|
relocation >>= 3;
|
| 505 |
|
|
if (howto->bitsize == 6)
|
| 506 |
|
|
in1 |= ((relocation & (mask >> 12)) << 12);
|
| 507 |
|
|
else
|
| 508 |
|
|
in1 |= relocation & mask;
|
| 509 |
|
|
|
| 510 |
|
|
bfd_put_32 (abfd, in1, (bfd_byte *) data + addr);
|
| 511 |
|
|
|
| 512 |
|
|
return flag;
|
| 513 |
|
|
}
|
| 514 |
|
|
|
| 515 |
|
|
/* Map BFD reloc types to D30V ELF reloc types. */
|
| 516 |
|
|
|
| 517 |
|
|
struct d30v_reloc_map
|
| 518 |
|
|
{
|
| 519 |
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
| 520 |
|
|
unsigned char elf_reloc_val;
|
| 521 |
|
|
};
|
| 522 |
|
|
|
| 523 |
|
|
|
| 524 |
|
|
static const struct d30v_reloc_map d30v_reloc_map[] =
|
| 525 |
|
|
{
|
| 526 |
|
|
{ BFD_RELOC_NONE, R_D30V_NONE, },
|
| 527 |
|
|
{ BFD_RELOC_D30V_6, R_D30V_6 },
|
| 528 |
|
|
{ BFD_RELOC_D30V_9_PCREL, R_D30V_9_PCREL },
|
| 529 |
|
|
{ BFD_RELOC_D30V_9_PCREL_R, R_D30V_9_PCREL_R },
|
| 530 |
|
|
{ BFD_RELOC_D30V_15, R_D30V_15 },
|
| 531 |
|
|
{ BFD_RELOC_D30V_15_PCREL, R_D30V_15_PCREL },
|
| 532 |
|
|
{ BFD_RELOC_D30V_15_PCREL_R, R_D30V_15_PCREL_R },
|
| 533 |
|
|
{ BFD_RELOC_D30V_21, R_D30V_21 },
|
| 534 |
|
|
{ BFD_RELOC_D30V_21_PCREL, R_D30V_21_PCREL },
|
| 535 |
|
|
{ BFD_RELOC_D30V_21_PCREL_R, R_D30V_21_PCREL_R },
|
| 536 |
|
|
{ BFD_RELOC_D30V_32, R_D30V_32 },
|
| 537 |
|
|
{ BFD_RELOC_D30V_32_PCREL, R_D30V_32_PCREL },
|
| 538 |
|
|
{ BFD_RELOC_32, R_D30V_32_NORMAL },
|
| 539 |
|
|
};
|
| 540 |
|
|
|
| 541 |
|
|
static reloc_howto_type *
|
| 542 |
|
|
bfd_elf32_bfd_reloc_type_lookup (abfd, code)
|
| 543 |
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
| 544 |
|
|
bfd_reloc_code_real_type code;
|
| 545 |
|
|
{
|
| 546 |
|
|
unsigned int i;
|
| 547 |
|
|
|
| 548 |
|
|
for (i = 0;
|
| 549 |
|
|
i < sizeof (d30v_reloc_map) / sizeof (struct d30v_reloc_map);
|
| 550 |
|
|
i++)
|
| 551 |
|
|
{
|
| 552 |
|
|
if (d30v_reloc_map[i].bfd_reloc_val == code)
|
| 553 |
|
|
return &elf_d30v_howto_table[d30v_reloc_map[i].elf_reloc_val];
|
| 554 |
|
|
}
|
| 555 |
|
|
|
| 556 |
|
|
return NULL;
|
| 557 |
|
|
}
|
| 558 |
|
|
|
| 559 |
|
|
/* Set the howto pointer for an D30V ELF reloc (type REL). */
|
| 560 |
|
|
|
| 561 |
|
|
static void
|
| 562 |
|
|
d30v_info_to_howto_rel (abfd, cache_ptr, dst)
|
| 563 |
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
| 564 |
|
|
arelent *cache_ptr;
|
| 565 |
|
|
Elf32_Internal_Rel *dst;
|
| 566 |
|
|
{
|
| 567 |
|
|
unsigned int r_type;
|
| 568 |
|
|
|
| 569 |
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
| 570 |
|
|
BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
|
| 571 |
|
|
cache_ptr->howto = &elf_d30v_howto_table[r_type];
|
| 572 |
|
|
}
|
| 573 |
|
|
|
| 574 |
|
|
/* Set the howto pointer for an D30V ELF reloc (type RELA). */
|
| 575 |
|
|
|
| 576 |
|
|
static void
|
| 577 |
|
|
d30v_info_to_howto_rela (abfd, cache_ptr, dst)
|
| 578 |
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
| 579 |
|
|
arelent *cache_ptr;
|
| 580 |
|
|
Elf32_Internal_Rela *dst;
|
| 581 |
|
|
{
|
| 582 |
|
|
unsigned int r_type;
|
| 583 |
|
|
|
| 584 |
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
| 585 |
|
|
BFD_ASSERT (r_type < (unsigned int) R_D30V_max);
|
| 586 |
|
|
cache_ptr->howto = &elf_d30v_howto_table[r_type];
|
| 587 |
|
|
}
|
| 588 |
|
|
|
| 589 |
|
|
#define ELF_ARCH bfd_arch_d30v
|
| 590 |
|
|
#define ELF_MACHINE_CODE EM_CYGNUS_D30V
|
| 591 |
|
|
#define ELF_MAXPAGESIZE 0x1000
|
| 592 |
|
|
|
| 593 |
|
|
#define TARGET_BIG_SYM bfd_elf32_d30v_vec
|
| 594 |
|
|
#define TARGET_BIG_NAME "elf32-d30v"
|
| 595 |
|
|
|
| 596 |
|
|
#define elf_info_to_howto d30v_info_to_howto_rela
|
| 597 |
|
|
#define elf_info_to_howto_rel d30v_info_to_howto_rel
|
| 598 |
|
|
#define elf_backend_object_p 0
|
| 599 |
|
|
#define elf_backend_final_write_processing 0
|
| 600 |
|
|
|
| 601 |
|
|
#include "elf32-target.h"
|
