661 lines
24 KiB
C
661 lines
24 KiB
C
/* DLX specific support for 32-bit ELF
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Copyright 2002 Free Software Foundation, Inc.
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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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#include "elf/dlx.h"
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int set_dlx_skip_hi16_flag PARAMS ((int));
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static bfd_boolean elf32_dlx_check_relocs
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PARAMS ((bfd *, struct bfd_link_info *, asection *,
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const Elf_Internal_Rela *));
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static void elf32_dlx_info_to_howto
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PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
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static void elf32_dlx_info_to_howto_rel
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PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
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static bfd_reloc_status_type elf32_dlx_relocate16
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static bfd_reloc_status_type elf32_dlx_relocate26
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static reloc_howto_type *elf32_dlx_reloc_type_lookup
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PARAMS ((bfd *, bfd_reloc_code_real_type));
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static bfd_reloc_status_type _bfd_dlx_elf_hi16_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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static reloc_howto_type * dlx_rtype_to_howto
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PARAMS ((unsigned int));
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#define USE_REL 1
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#define bfd_elf32_bfd_reloc_type_lookup elf32_dlx_reloc_type_lookup
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#define elf_info_to_howto elf32_dlx_info_to_howto
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#define elf_info_to_howto_rel elf32_dlx_info_to_howto_rel
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#define elf_backend_check_relocs elf32_dlx_check_relocs
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static reloc_howto_type dlx_elf_howto_table[]=
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{
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/* No relocation. */
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HOWTO (R_DLX_NONE, /* type */
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0, /* rightshift */
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0, /* 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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bfd_elf_generic_reloc, /* special_function */
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"R_DLX_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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/* 8 bit relocation. */
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HOWTO (R_DLX_RELOC_8, /* type */
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0, /* rightshift */
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0, /* size (0 = byte, 1 = short, 2 = long) */
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8, /* 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_DLX_RELOC_8", /* name */
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TRUE, /* partial_inplace */
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0xff, /* src_mask */
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0xff, /* dst_mask */
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FALSE), /* pcrel_offset */
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/* 16 bit relocation. */
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HOWTO (R_DLX_RELOC_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_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_DLX_RELOC_16", /* name */
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TRUE, /* partial_inplace */
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0xffff, /* src_mask */
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0xffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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#if 0
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/* 26 bit jump address. */
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HOWTO (R_DLX_RELOC_26, /* type */
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0, /* 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 detection, because the upper four
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bits must match the PC + 4. */
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bfd_elf_generic_reloc, /* special_function */
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"R_DLX_RELOC_26", /* name */
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TRUE, /* partial_inplace */
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0x3ffffff, /* src_mask */
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0x3ffffff, /* dst_mask */
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FALSE), /* pcrel_offset */
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#endif
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/* 32 bit relocation. */
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HOWTO (R_DLX_RELOC_32, /* 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_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_DLX_RELOC_32", /* name */
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TRUE, /* 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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/* GNU extension to record C++ vtable hierarchy */
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HOWTO (R_DLX_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_DLX_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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HOWTO (R_DLX_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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_bfd_elf_rel_vtable_reloc_fn,/* special_function */
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"R_DLX_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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};
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/* 16 bit offset for pc-relative branches. */
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static reloc_howto_type elf_dlx_gnu_rel16_s2 =
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HOWTO (R_DLX_RELOC_16_PCREL, /* 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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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_signed, /* complain_on_overflow */
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elf32_dlx_relocate16, /* special_function */
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"R_DLX_RELOC_16_PCREL",/* name */
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TRUE, /* partial_inplace */
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0xffff, /* src_mask */
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0xffff, /* dst_mask */
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TRUE); /* pcrel_offset */
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/* 26 bit offset for pc-relative branches. */
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static reloc_howto_type elf_dlx_gnu_rel26_s2 =
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HOWTO (R_DLX_RELOC_26_PCREL, /* type */
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0, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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26, /* bitsize */
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TRUE, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont,/* complain_on_overflow */
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elf32_dlx_relocate26, /* special_function */
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"R_DLX_RELOC_26_PCREL",/* name */
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TRUE, /* partial_inplace */
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0xffff, /* 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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static reloc_howto_type elf_dlx_reloc_16_hi =
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HOWTO (R_DLX_RELOC_16_HI, /* type */
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16, /* 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_dont, /* complain_on_overflow */
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_bfd_dlx_elf_hi16_reloc,/* special_function */
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"R_DLX_RELOC_16_HI", /* name */
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TRUE, /* partial_inplace */
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0xFFFF, /* src_mask */
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0xffff, /* dst_mask */
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FALSE); /* pcrel_offset */
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/* Low 16 bits of symbol value. */
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static reloc_howto_type elf_dlx_reloc_16_lo =
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HOWTO (R_DLX_RELOC_16_LO, /* 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_dont,/* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_DLX_RELOC_16_LO", /* name */
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TRUE, /* partial_inplace */
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0xffff, /* src_mask */
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0xffff, /* dst_mask */
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FALSE); /* pcrel_offset */
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/* The gas default beheaver is not to preform the %hi modifier so that the
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GNU assembler can have the lower 16 bits offset placed in the insn, BUT
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we do like the gas to indicate it is %hi reloc type so when we in the link
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loader phase we can have the corrected hi16 vale replace the buggous lo16
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value that was placed there by gas. */
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static int skip_dlx_elf_hi16_reloc = 0;
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int
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set_dlx_skip_hi16_flag (flag)
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int flag;
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{
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skip_dlx_elf_hi16_reloc = flag;
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return flag;
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}
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static bfd_reloc_status_type
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_bfd_dlx_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message)
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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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{
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bfd_reloc_status_type ret;
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bfd_vma relocation;
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/* If the skip flag is set then we simply do the generic relocating, this
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is more of a hack for dlx gas/gld, so we do not need to do the %hi/%lo
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fixup like mips gld did. */
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#if 0
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printf ("DEBUG: skip_dlx_elf_hi16_reloc = 0x%08x\n", skip_dlx_elf_hi16_reloc);
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#endif
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if (skip_dlx_elf_hi16_reloc)
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return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message);
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/* If we're relocating, and this an external symbol, we don't want
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to change anything. */
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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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ret = bfd_reloc_ok;
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if (bfd_is_und_section (symbol->section)
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&& output_bfd == (bfd *) NULL)
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ret = bfd_reloc_undefined;
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#if 0
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{
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unsigned long vallo, val;
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vallo = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address);
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printf ("DEBUG: The relocation address = 0x%08x\n", reloc_entry->address);
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printf ("DEBUG: The symbol = 0x%08x\n", vallo);
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printf ("DEBUG: The symbol name = %s\n", bfd_asymbol_name (symbol));
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printf ("DEBUG: The symbol->value = 0x%08x\n", symbol->value);
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printf ("DEBUG: The vma = 0x%08x\n", symbol->section->output_section->vma);
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printf ("DEBUG: The output_offset = 0x%08x\n", symbol->section->output_offset);
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printf ("DEBUG: The input_offset = 0x%08x\n", input_section->output_offset);
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printf ("DEBUG: The input_vma = 0x%08x\n", input_section->vma);
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printf ("DEBUG: The addend = 0x%08x\n", reloc_entry->addend);
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}
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#endif
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relocation = (bfd_is_com_section (symbol->section)) ? 0 : 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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relocation += bfd_get_16 (abfd, (bfd_byte *)data + reloc_entry->address);
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if (reloc_entry->address > input_section->_cooked_size)
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return bfd_reloc_outofrange;
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#if 0
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printf ("DEBUG: The finial relocation value = 0x%08x\n", relocation);
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#endif
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bfd_put_16 (abfd, (short)((relocation >> 16) & 0xFFFF),
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(bfd_byte *)data + reloc_entry->address);
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return ret;
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}
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/* ELF relocs are against symbols. If we are producing relocateable
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output, and the reloc is against an external symbol, and nothing
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has given us any additional addend, the resulting reloc will also
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be against the same symbol. In such a case, we don't want to
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change anything about the way the reloc is handled, since it will
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all be done at final link time. Rather than put special case code
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into bfd_perform_relocation, all the reloc types use this howto
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function. It just short circuits the reloc if producing
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relocateable output against an external symbol. */
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static bfd_reloc_status_type
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elf32_dlx_relocate16 (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message)
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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 ATTRIBUTE_UNUSED;
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{
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unsigned long insn, vallo, allignment;
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int val;
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/* HACK: I think this first condition is necessary when producing
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relocatable output. After the end of HACK, the code is identical
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to bfd_elf_generic_reloc(). I would _guess_ the first change
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belongs there rather than here. martindo 1998-10-23. */
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if (skip_dlx_elf_hi16_reloc)
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return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message);
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/* Check undefined section and undefined symbols */
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if (bfd_is_und_section (symbol->section)
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&& output_bfd == (bfd *) NULL)
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return bfd_reloc_undefined;
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/* Can not support a long jump to sections other then .text */
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if (strcmp (input_section->name, symbol->section->output_section->name) != 0)
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{
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fprintf (stderr,
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"BFD Link Error: branch (PC rel16) to section (%s) not supported\n",
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symbol->section->output_section->name);
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return bfd_reloc_undefined;
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}
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insn = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
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allignment = 1 << (input_section->output_section->alignment_power - 1);
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vallo = insn & 0x0000FFFF;
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if (vallo & 0x8000)
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vallo = ~(vallo | 0xFFFF0000) + 1;
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/* vallo points to the vma of next instruction. */
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vallo += (((unsigned long)(input_section->output_section->vma +
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input_section->output_offset) +
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allignment) & ~allignment);
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/* val is the displacement (PC relative to next instruction). */
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val = (symbol->section->output_offset +
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symbol->section->output_section->vma +
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symbol->value) - vallo;
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#if 0
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printf ("DEBUG elf32_dlx_relocate: We are here\n");
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printf ("DEBUG: The insn = 0x%08x\n", insn);
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printf ("DEBUG: The vallo = 0x%08x\n", vallo);
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printf ("DEBUG: The val = 0x%08x\n", val);
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printf ("DEBUG: The symbol name = %s\n", bfd_asymbol_name (symbol));
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printf ("DEBUG: The symbol->value = 0x%08x\n", symbol->value);
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printf ("DEBUG: The vma = 0x%08x\n", symbol->section->output_section->vma);
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printf ("DEBUG: The lma = 0x%08x\n", symbol->section->output_section->lma);
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printf ("DEBUG: The alignment_power = 0x%08x\n", symbol->section->output_section->alignment_power);
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printf ("DEBUG: The output_offset = 0x%08x\n", symbol->section->output_offset);
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printf ("DEBUG: The addend = 0x%08x\n", reloc_entry->addend);
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#endif
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if (abs ((int) val) > 0x00007FFF)
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return bfd_reloc_outofrange;
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insn = (insn & 0xFFFF0000) | (val & 0x0000FFFF);
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bfd_put_32 (abfd, insn,
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(bfd_byte *) data + reloc_entry->address);
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return bfd_reloc_ok;
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}
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static bfd_reloc_status_type
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elf32_dlx_relocate26 (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message)
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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 ATTRIBUTE_UNUSED;
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{
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unsigned long insn, vallo, allignment;
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int val;
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/* HACK: I think this first condition is necessary when producing
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relocatable output. After the end of HACK, the code is identical
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to bfd_elf_generic_reloc(). I would _guess_ the first change
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belongs there rather than here. martindo 1998-10-23. */
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if (skip_dlx_elf_hi16_reloc)
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return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
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input_section, output_bfd, error_message);
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/* Check undefined section and undefined symbols. */
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if (bfd_is_und_section (symbol->section)
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&& output_bfd == (bfd *) NULL)
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return bfd_reloc_undefined;
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/* Can not support a long jump to sections other then .text */
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if (strcmp (input_section->name, symbol->section->output_section->name) != 0)
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{
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fprintf (stderr,
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"BFD Link Error: jump (PC rel26) to section (%s) not supported\n",
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symbol->section->output_section->name);
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return bfd_reloc_undefined;
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}
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|
|
|
insn = bfd_get_32 (abfd, (bfd_byte *)data + reloc_entry->address);
|
|
allignment = 1 << (input_section->output_section->alignment_power - 1);
|
|
vallo = insn & 0x03FFFFFF;
|
|
|
|
if (vallo & 0x03000000)
|
|
vallo = ~(vallo | 0xFC000000) + 1;
|
|
|
|
/* vallo is the vma for the next instruction. */
|
|
vallo += (((unsigned long) (input_section->output_section->vma +
|
|
input_section->output_offset) +
|
|
allignment) & ~allignment);
|
|
|
|
/* val is the displacement (PC relative to next instruction). */
|
|
val = (symbol->section->output_offset +
|
|
symbol->section->output_section->vma + symbol->value)
|
|
- vallo;
|
|
#if 0
|
|
printf ("DEBUG elf32_dlx_relocate26: We are here\n");
|
|
printf ("DEBUG: The insn = 0x%08x\n", insn);
|
|
printf ("DEBUG: The vallo = 0x%08x\n", vallo);
|
|
printf ("DEBUG: The val = 0x%08x\n", val);
|
|
printf ("DEBUG: The abs(val) = 0x%08x\n", abs (val));
|
|
printf ("DEBUG: The symbol name = %s\n", bfd_asymbol_name (symbol));
|
|
printf ("DEBUG: The symbol->value = 0x%08x\n", symbol->value);
|
|
printf ("DEBUG: The vma = 0x%08x\n", symbol->section->output_section->vma);
|
|
printf ("DEBUG: The output_offset = 0x%08x\n", symbol->section->output_offset);
|
|
printf ("DEBUG: The input_vma = 0x%08x\n", input_section->output_section->vma);
|
|
printf ("DEBUG: The input_offset = 0x%08x\n", input_section->output_offset);
|
|
printf ("DEBUG: The input_name = %s\n", input_section->name);
|
|
printf ("DEBUG: The addend = 0x%08x\n", reloc_entry->addend);
|
|
#endif
|
|
|
|
if (abs ((int) val) > 0x01FFFFFF)
|
|
return bfd_reloc_outofrange;
|
|
|
|
insn = (insn & 0xFC000000) | (val & 0x03FFFFFF);
|
|
bfd_put_32 (abfd, insn,
|
|
(bfd_byte *) data + reloc_entry->address);
|
|
|
|
return bfd_reloc_ok;
|
|
}
|
|
|
|
/* A mapping from BFD reloc types to DLX ELF reloc types.
|
|
Stolen from elf32-mips.c.
|
|
|
|
More about this table - for dlx elf relocation we do not really
|
|
need this table, if we have a rtype defined in this table will
|
|
caused tc_gen_relocate confused and die on us, but if we remove
|
|
this table it will caused more problem, so for now simple soulation
|
|
is to remove those entries which may cause problem. */
|
|
struct elf_reloc_map
|
|
{
|
|
bfd_reloc_code_real_type bfd_reloc_val;
|
|
enum elf_dlx_reloc_type elf_reloc_val;
|
|
};
|
|
|
|
static const struct elf_reloc_map dlx_reloc_map[] =
|
|
{
|
|
{ BFD_RELOC_NONE, R_DLX_NONE },
|
|
{ BFD_RELOC_16, R_DLX_RELOC_16 },
|
|
#if 0
|
|
{ BFD_RELOC_DLX_JMP26, R_DLX_RELOC_26_PCREL },
|
|
#endif
|
|
{ BFD_RELOC_32, R_DLX_RELOC_32 },
|
|
{ BFD_RELOC_DLX_HI16_S, R_DLX_RELOC_16_HI },
|
|
{ BFD_RELOC_DLX_LO16, R_DLX_RELOC_16_LO },
|
|
{ BFD_RELOC_VTABLE_INHERIT, R_DLX_GNU_VTINHERIT },
|
|
{ BFD_RELOC_VTABLE_ENTRY, R_DLX_GNU_VTENTRY }
|
|
};
|
|
|
|
|
|
/* 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
|
|
elf32_dlx_check_relocs (abfd, info, sec, relocs)
|
|
bfd *abfd;
|
|
struct bfd_link_info *info;
|
|
asection *sec;
|
|
const Elf_Internal_Rela *relocs;
|
|
{
|
|
Elf_Internal_Shdr *symtab_hdr;
|
|
struct elf_link_hash_entry **sym_hashes, **sym_hashes_end;
|
|
const Elf_Internal_Rela *rel;
|
|
const Elf_Internal_Rela *rel_end;
|
|
|
|
if (info->relocateable)
|
|
return TRUE;
|
|
|
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
|
sym_hashes = elf_sym_hashes (abfd);
|
|
sym_hashes_end = sym_hashes + symtab_hdr->sh_size / sizeof (Elf32_External_Sym);
|
|
if (!elf_bad_symtab (abfd))
|
|
sym_hashes_end -= symtab_hdr->sh_info;
|
|
|
|
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
|
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
|
|
|
switch (ELF32_R_TYPE (rel->r_info))
|
|
{
|
|
/* This relocation describes the C++ object vtable hierarchy.
|
|
Reconstruct it for later use during GC. */
|
|
case R_DLX_GNU_VTINHERIT:
|
|
if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
|
|
return FALSE;
|
|
break;
|
|
|
|
/* This relocation describes which C++ vtable entries are actually
|
|
used. Record for later use during GC. */
|
|
case R_DLX_GNU_VTENTRY:
|
|
if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
|
|
return FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Given a BFD reloc type, return a howto structure. */
|
|
|
|
static reloc_howto_type *
|
|
elf32_dlx_reloc_type_lookup (abfd, code)
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
bfd_reloc_code_real_type code;
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < sizeof (dlx_reloc_map) / sizeof (struct elf_reloc_map); i++)
|
|
if (dlx_reloc_map[i].bfd_reloc_val == code)
|
|
return &dlx_elf_howto_table[(int) dlx_reloc_map[i].elf_reloc_val];
|
|
|
|
switch (code)
|
|
{
|
|
default:
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return NULL;
|
|
case BFD_RELOC_16_PCREL_S2:
|
|
return &elf_dlx_gnu_rel16_s2;
|
|
case BFD_RELOC_DLX_JMP26:
|
|
return &elf_dlx_gnu_rel26_s2;
|
|
case BFD_RELOC_HI16_S:
|
|
return &elf_dlx_reloc_16_hi;
|
|
case BFD_RELOC_LO16:
|
|
return &elf_dlx_reloc_16_lo;
|
|
}
|
|
}
|
|
|
|
static reloc_howto_type *
|
|
dlx_rtype_to_howto (r_type)
|
|
unsigned int r_type;
|
|
{
|
|
switch (r_type)
|
|
{
|
|
case R_DLX_RELOC_16_PCREL:
|
|
return & elf_dlx_gnu_rel16_s2;
|
|
break;
|
|
case R_DLX_RELOC_26_PCREL:
|
|
return & elf_dlx_gnu_rel26_s2;
|
|
break;
|
|
case R_DLX_RELOC_16_HI:
|
|
return & elf_dlx_reloc_16_hi;
|
|
break;
|
|
case R_DLX_RELOC_16_LO:
|
|
return & elf_dlx_reloc_16_lo;
|
|
break;
|
|
|
|
default:
|
|
BFD_ASSERT (r_type < (unsigned int) R_DLX_max);
|
|
return & dlx_elf_howto_table[r_type];
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
elf32_dlx_info_to_howto (abfd, cache_ptr, dst)
|
|
bfd * abfd ATTRIBUTE_UNUSED;
|
|
arelent * cache_ptr ATTRIBUTE_UNUSED;
|
|
Elf_Internal_Rela * dst ATTRIBUTE_UNUSED;
|
|
{
|
|
abort ();
|
|
}
|
|
|
|
static void
|
|
elf32_dlx_info_to_howto_rel (abfd, cache_ptr, dst)
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
arelent *cache_ptr;
|
|
Elf_Internal_Rela *dst;
|
|
{
|
|
unsigned int r_type;
|
|
|
|
r_type = ELF32_R_TYPE (dst->r_info);
|
|
cache_ptr->howto = dlx_rtype_to_howto (r_type);
|
|
return;
|
|
}
|
|
|
|
#define TARGET_BIG_SYM bfd_elf32_dlx_big_vec
|
|
#define TARGET_BIG_NAME "elf32-dlx"
|
|
#define ELF_ARCH bfd_arch_dlx
|
|
#define ELF_MACHINE_CODE EM_DLX
|
|
#define ELF_MAXPAGESIZE 1 /* FIXME: This number is wrong, It should be the page size in bytes. */
|
|
|
|
#include "elf32-target.h"
|