2000-08-05 16:48:52 +00:00
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/* Intel i860 specific support for 32-bit ELF.
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2001-03-08 21:04:02 +00:00
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Copyright 1993, 1995, 1999, 2000, 2001 Free Software Foundation, Inc.
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2000-07-22 Jason Eckhardt <jle@cygnus.com>
* include/opcode/i860.h (btne, bte, bla): Changed these opcodes
to use sbroff ('r') instead of split16 ('s').
(J, K, L, M): New operand types for 16-bit aligned fields.
(ld.x, {p}fld.x, fst.x, pst.d): Changed these opcodes to
use I, J, K, L, M instead of just I.
(T, U): New operand types for split 16-bit aligned fields.
(st.x): Changed these opcodes to use S, T, U instead of just S.
(andh, andnoth, orh, xorh): Deleted 3-register forms as they do not
exist on the i860.
(pfgt.sd, pfle.sd): Deleted these as they do not exist on the i860.
(pfeq.ss, pfeq.dd): New opcodes.
(st.s): Fixed incorrect mask bits.
(fmlow): Fixed incorrect mask bits.
(fzchkl, pfzchkl): Fixed incorrect mask bits.
(faddz, pfaddz): Fixed incorrect mask bits.
(form, pform): Fixed incorrect mask bits.
(pfld.l): Fixed incorrect mask bits.
(fst.q): Fixed incorrect mask bits.
(all floating point opcodes): Fixed incorrect mask bits for
handling of dual bit.
* include/elf/i860.h: New file.
(elf_i860_reloc_type): Defined ELF32 i860 relocations.
* bfd/cpu-i860.c: Added comments.
* bfd/elf32-i860.c (TARGET_LITTLE_SYM): Defined to
bfd_elf32_i860_little_vec.
(TARGET_LITTLE_NAME): Defined to "elf32-i860-little".
(ELF_MAXPAGESIZE): Changed to 4096.
* bfd/targets.c (bfd_elf32_i860_little_vec): Declaration of
new target.
(bfd_target_vector): Added bfd_elf32_i860_little_vec.
* bfd/config.bfd (i860-stardent-sysv4*, i860-stardent-elf*): Added
config for little endian elf32 i860.
(targ_defvec): Define for the new config above
as "bfd_elf32_i860_little_vec".
(targ_selvecs): Define for the new config above
as "bfd_elf32_i860_vec bfd_elf32_i860_little_vec"
* bfd/configure.in (bfd_elf32_i860_little_vec): Added recognition
of new target vec.
* bfd/configure: Regenerated.
* opcodes/i860-dis.c: New file.
(print_insn_i860): New function.
(print_br_address): New function.
(sign_extend): New function.
(BITWISE_OP): New macro.
(I860_REG_PREFIX): New macro.
(grnames, frnames, crnames): New structures.
* opcodes/disassemble.c (ARCH_i860): Define.
(disassembler): Add check for bfd_arch_i860 to set disassemble
function to print_insn_i860.
* include/dis-asm.h (print_insn_i860): Add prototype.
* opcodes/Makefile.in (CFILES): Added i860-dis.c.
(ALL_MACHINES): Added i860-dis.lo.
(i860-dis.lo): New dependences.
* opcodes/configure.in: New bits for bfd_i860_arch.
* opcodes/configure: Regenerated.
2000-07-28 21:10:20 +00:00
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2000-08-05 16:48:52 +00:00
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Full i860 support contributed by Jason Eckhardt <jle@cygnus.com>.
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1999-05-03 07:29:11 +00:00
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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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2000-08-05 16:48:52 +00:00
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#include "elf/i860.h"
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/* Prototypes. */
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static reloc_howto_type *lookup_howto
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PARAMS ((unsigned int));
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static reloc_howto_type *elf32_i860_reloc_type_lookup
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PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
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2000-12-05 13:20:10 +00:00
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static void elf32_i860_info_to_howto_rela
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2000-08-05 16:48:52 +00:00
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PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
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2000-08-10 21:09:42 +00:00
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static bfd_reloc_status_type elf32_i860_relocate_splitn
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PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma));
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static bfd_reloc_status_type elf32_i860_relocate_pc16
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2000-08-16 21:58:55 +00:00
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PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma));
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2000-08-10 21:09:42 +00:00
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2000-09-12 14:34:59 +00:00
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static bfd_reloc_status_type elf32_i860_relocate_pc26
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PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma));
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2000-08-10 21:09:42 +00:00
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static bfd_reloc_status_type elf32_i860_relocate_highadj
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PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma));
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2000-12-05 13:20:10 +00:00
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static boolean elf32_i860_relocate_section
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2000-08-10 21:09:42 +00:00
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PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
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Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
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static bfd_reloc_status_type i860_final_link_relocate
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PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
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Elf_Internal_Rela *, bfd_vma));
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2000-09-03 01:39:08 +00:00
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static boolean elf32_i860_is_local_label_name
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PARAMS ((bfd *, const char *));
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2000-08-05 16:48:52 +00:00
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/* This howto table is preliminary. */
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static reloc_howto_type elf32_i860_howto_table [] =
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{
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/* This relocation does nothing. */
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HOWTO (R_860_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_860_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 32-bit absolute relocation. */
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HOWTO (R_860_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_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_860_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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HOWTO (R_860_COPY, /* 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_860_COPY", /* 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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HOWTO (R_860_GLOB_DAT, /* 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_860_GLOB_DAT", /* 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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HOWTO (R_860_JUMP_SLOT, /* 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_860_JUMP_SLOT", /* 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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HOWTO (R_860_RELATIVE, /* 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_860_RELATIVE", /* 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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/* A 26-bit PC-relative relocation. */
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HOWTO (R_860_PC26, /* type */
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2000-08-10 21:09:42 +00:00
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2, /* rightshift */
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2000-08-05 16:48:52 +00:00
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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_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_860_PC26", /* name */
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false, /* partial_inplace */
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0x3ffffff, /* src_mask */
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0x3ffffff, /* dst_mask */
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true), /* pcrel_offset */
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HOWTO (R_860_PLT26, /* 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_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_860_PLT26", /* 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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true), /* pcrel_offset */
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/* A 16-bit PC-relative relocation. */
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HOWTO (R_860_PC16, /* type */
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2000-08-10 21:09:42 +00:00
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2, /* rightshift */
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2000-08-05 16:48:52 +00:00
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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_bitfield, /* complain_on_overflow */
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bfd_elf_generic_reloc, /* special_function */
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"R_860_PC16", /* name */
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false, /* partial_inplace */
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2000-08-09 03:33:42 +00:00
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0x1f07ff, /* src_mask */
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0x1f07ff, /* dst_mask */
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2000-08-05 16:48:52 +00:00
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true), /* pcrel_offset */
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HOWTO (R_860_LOW0, /* 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_860_LOW0", /* name */
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false, /* 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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HOWTO (R_860_SPLIT0, /* 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_860_SPLIT0", /* name */
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false, /* partial_inplace */
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0x1f07ff, /* src_mask */
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0x1f07ff, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_860_LOW1, /* 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_860_LOW1", /* name */
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false, /* partial_inplace */
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0xfffe, /* src_mask */
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0xfffe, /* dst_mask */
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false), /* pcrel_offset */
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HOWTO (R_860_SPLIT1, /* 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_860_SPLIT1", /* name */
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false, /* partial_inplace */
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2000-08-09 03:33:42 +00:00
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0x1f07fe, /* src_mask */
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0x1f07fe, /* dst_mask */
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2000-08-05 16:48:52 +00:00
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false), /* pcrel_offset */
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HOWTO (R_860_LOW2, /* 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 */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOW2", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0xfffc, /* src_mask */
|
|
|
|
|
0xfffc, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_SPLIT2, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_SPLIT2", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
2000-08-09 03:33:42 +00:00
|
|
|
|
0x1f07fc, /* src_mask */
|
|
|
|
|
0x1f07fc, /* dst_mask */
|
2000-08-05 16:48:52 +00:00
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOW3, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOW3", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0xfff8, /* src_mask */
|
|
|
|
|
0xfff8, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOGOT0, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOGOT0", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_SPGOT0, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_SPGOT0", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOGOT1, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOGOT1", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_SPGOT1, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_SPGOT1", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOGOTOFF0, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOGOTOFF0", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_SPGOTOFF0, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_SPGOTOFF0", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOGOTOFF1, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOGOTOFF1", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_SPGOTOFF1, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_SPGOTOFF1", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOGOTOFF2, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOGOTOFF2", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOGOTOFF3, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOGOTOFF3", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_LOPC, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
true, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_bitfield, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_LOPC", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0xffff, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HIGHADJ, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HIGHADJ", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0xffff, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HAGOT, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HAGOT", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HAGOTOFF, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HAGOTOFF", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HAPC, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
true, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_bitfield, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HAPC", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0xffff, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HIGH, /* type */
|
2000-08-10 21:09:42 +00:00
|
|
|
|
16, /* rightshift */
|
2000-08-05 16:48:52 +00:00
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HIGH", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0xffff, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HIGOT, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
16, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HIGOT", /* name */
|
|
|
|
|
false, /* partial_inplace */
|
|
|
|
|
0, /* src_mask */
|
|
|
|
|
0xffff, /* dst_mask */
|
|
|
|
|
true), /* pcrel_offset */
|
|
|
|
|
|
|
|
|
|
HOWTO (R_860_HIGOTOFF, /* type */
|
|
|
|
|
0, /* rightshift */
|
|
|
|
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
|
|
|
|
32, /* bitsize */
|
|
|
|
|
false, /* pc_relative */
|
|
|
|
|
0, /* bitpos */
|
|
|
|
|
complain_overflow_dont, /* complain_on_overflow */
|
|
|
|
|
bfd_elf_generic_reloc, /* special_function */
|
|
|
|
|
"R_860_HIGOTOFF", /* name */
|
|
|
|
|
true, /* partial_inplace */
|
|
|
|
|
0xffffffff, /* src_mask */
|
|
|
|
|
0xffffffff, /* dst_mask */
|
|
|
|
|
false), /* pcrel_offset */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static unsigned char elf_code_to_howto_index[R_860_max + 1];
|
|
|
|
|
|
|
|
|
|
static reloc_howto_type *
|
|
|
|
|
lookup_howto (rtype)
|
|
|
|
|
unsigned int rtype;
|
|
|
|
|
{
|
|
|
|
|
static int initialized = 0;
|
|
|
|
|
int i;
|
|
|
|
|
int howto_tbl_size = (int) (sizeof (elf32_i860_howto_table)
|
|
|
|
|
/ sizeof (elf32_i860_howto_table[0]));
|
|
|
|
|
|
|
|
|
|
if (! initialized)
|
|
|
|
|
{
|
|
|
|
|
initialized = 1;
|
|
|
|
|
memset (elf_code_to_howto_index, 0xff,
|
|
|
|
|
sizeof (elf_code_to_howto_index));
|
|
|
|
|
for (i = 0; i < howto_tbl_size; i++)
|
|
|
|
|
elf_code_to_howto_index[elf32_i860_howto_table[i].type] = i;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
BFD_ASSERT (rtype <= R_860_max);
|
|
|
|
|
i = elf_code_to_howto_index[rtype];
|
|
|
|
|
if (i >= howto_tbl_size)
|
|
|
|
|
return 0;
|
|
|
|
|
return elf32_i860_howto_table + i;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Given a BFD reloc, return the matching HOWTO structure. */
|
|
|
|
|
static reloc_howto_type *
|
|
|
|
|
elf32_i860_reloc_type_lookup (abfd, code)
|
|
|
|
|
bfd * abfd ATTRIBUTE_UNUSED;
|
|
|
|
|
bfd_reloc_code_real_type code;
|
|
|
|
|
{
|
|
|
|
|
unsigned int rtype;
|
|
|
|
|
|
|
|
|
|
switch (code)
|
|
|
|
|
{
|
|
|
|
|
case BFD_RELOC_NONE:
|
|
|
|
|
rtype = R_860_NONE;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_32:
|
|
|
|
|
rtype = R_860_32;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_COPY:
|
|
|
|
|
rtype = R_860_COPY;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_GLOB_DAT:
|
2000-12-05 13:20:10 +00:00
|
|
|
|
rtype = R_860_GLOB_DAT;
|
2000-08-05 16:48:52 +00:00
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_JUMP_SLOT:
|
|
|
|
|
rtype = R_860_JUMP_SLOT;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_RELATIVE:
|
|
|
|
|
rtype = R_860_RELATIVE;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_PC26:
|
|
|
|
|
rtype = R_860_PC26;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_PLT26:
|
|
|
|
|
rtype = R_860_PLT26;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_PC16:
|
|
|
|
|
rtype = R_860_PC16;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOW0:
|
|
|
|
|
rtype = R_860_LOW0;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPLIT0:
|
|
|
|
|
rtype = R_860_SPLIT0;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOW1:
|
|
|
|
|
rtype = R_860_LOW1;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPLIT1:
|
|
|
|
|
rtype = R_860_SPLIT1;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOW2:
|
|
|
|
|
rtype = R_860_LOW2;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPLIT2:
|
|
|
|
|
rtype = R_860_SPLIT2;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOW3:
|
|
|
|
|
rtype = R_860_LOW3;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOGOT0:
|
|
|
|
|
rtype = R_860_LOGOT0;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPGOT0:
|
|
|
|
|
rtype = R_860_SPGOT0;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOGOT1:
|
|
|
|
|
rtype = R_860_LOGOT1;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPGOT1:
|
|
|
|
|
rtype = R_860_SPGOT1;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOGOTOFF0:
|
|
|
|
|
rtype = R_860_LOGOTOFF0;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPGOTOFF0:
|
|
|
|
|
rtype = R_860_SPGOTOFF0;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOGOTOFF1:
|
|
|
|
|
rtype = R_860_LOGOTOFF1;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_SPGOTOFF1:
|
|
|
|
|
rtype = R_860_SPGOTOFF1;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOGOTOFF2:
|
|
|
|
|
rtype = R_860_LOGOTOFF2;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOGOTOFF3:
|
|
|
|
|
rtype = R_860_LOGOTOFF3;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_LOPC:
|
|
|
|
|
rtype = R_860_LOPC;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HIGHADJ:
|
|
|
|
|
rtype = R_860_HIGHADJ;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HAGOT:
|
|
|
|
|
rtype = R_860_HAGOT;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HAGOTOFF:
|
|
|
|
|
rtype = R_860_HAGOTOFF;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HAPC:
|
|
|
|
|
rtype = R_860_HAPC;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HIGH:
|
|
|
|
|
rtype = R_860_HIGH;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HIGOT:
|
|
|
|
|
rtype = R_860_HIGOT;
|
|
|
|
|
break;
|
|
|
|
|
case BFD_RELOC_860_HIGOTOFF:
|
|
|
|
|
rtype = R_860_HIGOTOFF;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
rtype = 0;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return lookup_howto (rtype);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Given a ELF reloc, return the matching HOWTO structure. */
|
|
|
|
|
static void
|
|
|
|
|
elf32_i860_info_to_howto_rela (abfd, bfd_reloc, elf_reloc)
|
|
|
|
|
bfd *abfd ATTRIBUTE_UNUSED;
|
|
|
|
|
arelent *bfd_reloc;
|
|
|
|
|
Elf64_Internal_Rela *elf_reloc;
|
|
|
|
|
{
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 09:57:26 +00:00
|
|
|
|
bfd_reloc->howto
|
|
|
|
|
= lookup_howto ((unsigned) ELF32_R_TYPE (elf_reloc->r_info));
|
2000-08-05 16:48:52 +00:00
|
|
|
|
}
|
2000-08-10 21:09:42 +00:00
|
|
|
|
|
|
|
|
|
/* Specialized relocation handler for R_860_SPLITn. These relocations
|
|
|
|
|
involves a 16-bit field that is split into two contiguous parts. */
|
|
|
|
|
static bfd_reloc_status_type
|
|
|
|
|
elf32_i860_relocate_splitn (input_bfd, rello, contents, value)
|
|
|
|
|
bfd *input_bfd;
|
|
|
|
|
Elf_Internal_Rela *rello;
|
|
|
|
|
bfd_byte *contents;
|
|
|
|
|
bfd_vma value;
|
|
|
|
|
{
|
2000-08-21 23:26:19 +00:00
|
|
|
|
bfd_vma insn;
|
2000-08-10 21:09:42 +00:00
|
|
|
|
reloc_howto_type *howto;
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 09:57:26 +00:00
|
|
|
|
howto = lookup_howto ((unsigned) ELF32_R_TYPE (rello->r_info));
|
2000-08-10 21:09:42 +00:00
|
|
|
|
insn = bfd_get_32 (input_bfd, contents + rello->r_offset);
|
|
|
|
|
|
|
|
|
|
/* Relocate. */
|
2000-08-21 23:26:19 +00:00
|
|
|
|
value += rello->r_addend;
|
2000-08-10 21:09:42 +00:00
|
|
|
|
|
2000-08-21 23:26:19 +00:00
|
|
|
|
/* Separate the fields and insert. */
|
2000-08-10 21:09:42 +00:00
|
|
|
|
value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask;
|
|
|
|
|
insn = (insn & ~howto->dst_mask) | value;
|
|
|
|
|
|
|
|
|
|
bfd_put_32 (input_bfd, insn, contents + rello->r_offset);
|
|
|
|
|
return bfd_reloc_ok;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Specialized relocation handler for R_860_PC16. This relocation
|
|
|
|
|
involves a 16-bit, PC-relative field that is split into two contiguous
|
|
|
|
|
parts. */
|
|
|
|
|
static bfd_reloc_status_type
|
2000-08-16 21:58:55 +00:00
|
|
|
|
elf32_i860_relocate_pc16 (input_bfd, input_section, rello, contents, value)
|
2000-08-10 21:09:42 +00:00
|
|
|
|
bfd *input_bfd;
|
2000-08-16 21:58:55 +00:00
|
|
|
|
asection *input_section;
|
2000-08-10 21:09:42 +00:00
|
|
|
|
Elf_Internal_Rela *rello;
|
|
|
|
|
bfd_byte *contents;
|
|
|
|
|
bfd_vma value;
|
|
|
|
|
{
|
2000-08-21 23:26:19 +00:00
|
|
|
|
bfd_vma insn;
|
2000-08-16 21:58:55 +00:00
|
|
|
|
reloc_howto_type *howto;
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 09:57:26 +00:00
|
|
|
|
howto = lookup_howto ((unsigned) ELF32_R_TYPE (rello->r_info));
|
2000-08-16 21:58:55 +00:00
|
|
|
|
insn = bfd_get_32 (input_bfd, contents + rello->r_offset);
|
|
|
|
|
|
|
|
|
|
/* Adjust for PC-relative relocation. */
|
|
|
|
|
value -= (input_section->output_section->vma
|
|
|
|
|
+ input_section->output_offset);
|
|
|
|
|
value -= rello->r_offset;
|
|
|
|
|
|
|
|
|
|
/* Relocate. */
|
2000-08-21 23:26:19 +00:00
|
|
|
|
value += rello->r_addend;
|
2000-08-16 21:58:55 +00:00
|
|
|
|
|
2000-08-21 23:26:19 +00:00
|
|
|
|
/* Separate the fields and insert. */
|
2000-08-16 21:58:55 +00:00
|
|
|
|
value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask;
|
|
|
|
|
insn = (insn & ~howto->dst_mask) | value;
|
|
|
|
|
|
|
|
|
|
bfd_put_32 (input_bfd, insn, contents + rello->r_offset);
|
|
|
|
|
return bfd_reloc_ok;
|
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
}
|
|
|
|
|
|
2000-09-12 14:34:59 +00:00
|
|
|
|
/* Specialized relocation handler for R_860_PC26. This relocation
|
|
|
|
|
involves a 26-bit, PC-relative field which must be adjusted by 4. */
|
|
|
|
|
static bfd_reloc_status_type
|
|
|
|
|
elf32_i860_relocate_pc26 (input_bfd, input_section, rello, contents, value)
|
|
|
|
|
bfd *input_bfd;
|
|
|
|
|
asection *input_section;
|
|
|
|
|
Elf_Internal_Rela *rello;
|
|
|
|
|
bfd_byte *contents;
|
|
|
|
|
bfd_vma value;
|
|
|
|
|
{
|
|
|
|
|
bfd_vma insn;
|
|
|
|
|
reloc_howto_type *howto;
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 09:57:26 +00:00
|
|
|
|
howto = lookup_howto ((unsigned) ELF32_R_TYPE (rello->r_info));
|
2000-09-12 14:34:59 +00:00
|
|
|
|
insn = bfd_get_32 (input_bfd, contents + rello->r_offset);
|
|
|
|
|
|
|
|
|
|
/* Adjust for PC-relative relocation. */
|
|
|
|
|
value -= (input_section->output_section->vma
|
|
|
|
|
+ input_section->output_offset);
|
|
|
|
|
value -= rello->r_offset;
|
|
|
|
|
|
|
|
|
|
/* Relocate. */
|
|
|
|
|
value += rello->r_addend;
|
|
|
|
|
|
|
|
|
|
/* Adjust value by 4 and insert the field. */
|
2000-12-05 13:20:10 +00:00
|
|
|
|
value = ((value - 4) >> howto->rightshift) & howto->dst_mask;
|
2000-09-12 14:34:59 +00:00
|
|
|
|
insn = (insn & ~howto->dst_mask) | value;
|
|
|
|
|
|
|
|
|
|
bfd_put_32 (input_bfd, insn, contents + rello->r_offset);
|
|
|
|
|
return bfd_reloc_ok;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
/* Specialized relocation handler for R_860_HIGHADJ. */
|
|
|
|
|
static bfd_reloc_status_type
|
|
|
|
|
elf32_i860_relocate_highadj (input_bfd, rel, contents, value)
|
|
|
|
|
bfd *input_bfd;
|
|
|
|
|
Elf_Internal_Rela *rel;
|
|
|
|
|
bfd_byte *contents;
|
|
|
|
|
bfd_vma value;
|
|
|
|
|
{
|
|
|
|
|
bfd_vma insn;
|
|
|
|
|
|
|
|
|
|
insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
|
|
|
|
|
|
|
|
|
|
value += ((rel->r_addend & 0x8000) << 1);
|
|
|
|
|
value += rel->r_addend;
|
|
|
|
|
value = ((value >> 16) & 0xffff);
|
|
|
|
|
|
|
|
|
|
insn = (insn & 0xffff0000) | value;
|
|
|
|
|
|
|
|
|
|
bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
|
|
|
|
|
return bfd_reloc_ok;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Perform a single relocation. By default we use the standard BFD
|
|
|
|
|
routines. However, we handle some specially. */
|
|
|
|
|
static bfd_reloc_status_type
|
|
|
|
|
i860_final_link_relocate (howto, input_bfd, input_section, contents, rel, relocation)
|
|
|
|
|
reloc_howto_type * howto;
|
|
|
|
|
bfd * input_bfd;
|
|
|
|
|
asection * input_section;
|
|
|
|
|
bfd_byte * contents;
|
|
|
|
|
Elf_Internal_Rela * rel;
|
|
|
|
|
bfd_vma relocation;
|
|
|
|
|
{
|
|
|
|
|
return _bfd_final_link_relocate (howto, input_bfd, input_section,
|
|
|
|
|
contents, rel->r_offset, relocation,
|
|
|
|
|
rel->r_addend);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Relocate an i860 ELF section.
|
1999-05-03 07:29:11 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
This is boiler-plate code copied from fr30.
|
|
|
|
|
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
|
|
|
|
|
necessary, and (if using Rela relocs and generating a relocateable
|
|
|
|
|
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).
|
|
|
|
|
|
|
|
|
|
When generating relocateable output, this function must handle
|
|
|
|
|
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 boolean
|
|
|
|
|
elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section,
|
|
|
|
|
contents, relocs, local_syms, local_sections)
|
|
|
|
|
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;
|
|
|
|
|
{
|
|
|
|
|
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;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
r_type = ELF32_R_TYPE (rel->r_info);
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
#if 0
|
|
|
|
|
if ( r_type == R_860_GNU_VTINHERIT
|
|
|
|
|
|| r_type == R_860_GNU_VTENTRY)
|
|
|
|
|
continue;
|
|
|
|
|
#endif
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
|
|
|
|
|
|
|
|
|
if (info->relocateable)
|
|
|
|
|
{
|
|
|
|
|
/* This is a relocateable link. We don't have to change
|
|
|
|
|
anything, unless the reloc is against a section symbol,
|
|
|
|
|
in which case we have to adjust according to where the
|
|
|
|
|
section symbol winds up in the output section. */
|
|
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
|
|
|
{
|
|
|
|
|
sym = local_syms + r_symndx;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
|
|
|
|
{
|
|
|
|
|
sec = local_sections [r_symndx];
|
|
|
|
|
rel->r_addend += sec->output_offset + sym->st_value;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is a final link. */
|
Touches most files in bfd/, so likely will be blamed for everything..
o bfd_read and bfd_write lose an unnecessary param and become
bfd_bread and bfd_bwrite.
o bfd_*alloc now all take a bfd_size_type arg, and will error if
size_t is too small. eg. 32 bit host, 64 bit bfd, verrry big files
or bugs in linker scripts etc.
o file_ptr becomes a bfd_signed_vma. Besides matching sizes with
various other types involved in handling sections, this should make
it easier for bfd to support a 64 bit off_t on 32 bit hosts that
provide it.
o I've made the H_GET_* and H_PUT_* macros (which invoke bfd_h_{get,put}_*)
generally available. They now cast their args to bfd_vma and
bfd_byte * as appropriate, which removes a swag of casts from the
source.
o Bug fixes to bfd_get8, aix386_core_vec, elf32_h8_relax_section, and
aout-encap.c.
o Zillions of formatting and -Wconversion fixes.
2001-09-18 09:57:26 +00:00
|
|
|
|
howto = lookup_howto ((unsigned) ELF32_R_TYPE (rel->r_info));
|
|
|
|
|
h = NULL;
|
|
|
|
|
sym = NULL;
|
|
|
|
|
sec = NULL;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
|
|
|
|
{
|
|
|
|
|
sym = local_syms + r_symndx;
|
|
|
|
|
sec = local_sections [r_symndx];
|
2001-11-23 12:17:21 +00:00
|
|
|
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
name = bfd_elf_string_from_elf_section
|
|
|
|
|
(input_bfd, symtab_hdr->sh_link, sym->st_name);
|
|
|
|
|
name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
h = sym_hashes [r_symndx - symtab_hdr->sh_info];
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
name = h->root.root.string;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
|
|
|
{
|
|
|
|
|
sec = h->root.u.def.section;
|
|
|
|
|
relocation = (h->root.u.def.value
|
|
|
|
|
+ sec->output_section->vma
|
|
|
|
|
+ sec->output_offset);
|
|
|
|
|
}
|
|
|
|
|
else if (h->root.type == bfd_link_hash_undefweak)
|
|
|
|
|
{
|
|
|
|
|
relocation = 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (! ((*info->callbacks->undefined_symbol)
|
|
|
|
|
(info, h->root.root.string, input_bfd,
|
|
|
|
|
input_section, rel->r_offset, true)))
|
|
|
|
|
return false;
|
|
|
|
|
relocation = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
switch (r_type)
|
|
|
|
|
{
|
|
|
|
|
default:
|
|
|
|
|
r = i860_final_link_relocate (howto, input_bfd, input_section,
|
|
|
|
|
contents, rel, relocation);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case R_860_HIGHADJ:
|
|
|
|
|
r = elf32_i860_relocate_highadj (input_bfd, rel, contents,
|
|
|
|
|
relocation);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case R_860_PC16:
|
2000-08-16 21:58:55 +00:00
|
|
|
|
r = elf32_i860_relocate_pc16 (input_bfd, input_section, rel,
|
|
|
|
|
contents, relocation);
|
2000-08-10 21:09:42 +00:00
|
|
|
|
break;
|
|
|
|
|
|
2000-09-12 14:34:59 +00:00
|
|
|
|
case R_860_PC26:
|
|
|
|
|
r = elf32_i860_relocate_pc26 (input_bfd, input_section, rel,
|
|
|
|
|
contents, relocation);
|
|
|
|
|
break;
|
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
case R_860_SPLIT0:
|
|
|
|
|
case R_860_SPLIT1:
|
|
|
|
|
case R_860_SPLIT2:
|
|
|
|
|
r = elf32_i860_relocate_splitn (input_bfd, rel, contents,
|
|
|
|
|
relocation);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* We do not yet handle GOT/PLT/Dynamic relocations. */
|
|
|
|
|
case R_860_COPY:
|
|
|
|
|
case R_860_GLOB_DAT:
|
|
|
|
|
case R_860_JUMP_SLOT:
|
|
|
|
|
case R_860_RELATIVE:
|
|
|
|
|
case R_860_PLT26:
|
|
|
|
|
case R_860_LOGOT0:
|
|
|
|
|
case R_860_SPGOT0:
|
|
|
|
|
case R_860_LOGOT1:
|
|
|
|
|
case R_860_SPGOT1:
|
|
|
|
|
case R_860_LOGOTOFF0:
|
|
|
|
|
case R_860_SPGOTOFF0:
|
|
|
|
|
case R_860_LOGOTOFF1:
|
|
|
|
|
case R_860_SPGOTOFF1:
|
|
|
|
|
case R_860_LOGOTOFF2:
|
|
|
|
|
case R_860_LOGOTOFF3:
|
|
|
|
|
case R_860_LOPC:
|
|
|
|
|
case R_860_HAGOT:
|
|
|
|
|
case R_860_HAGOTOFF:
|
|
|
|
|
case R_860_HAPC:
|
|
|
|
|
case R_860_HIGOT:
|
|
|
|
|
case R_860_HIGOTOFF:
|
|
|
|
|
r = bfd_reloc_notsupported;
|
|
|
|
|
break;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
}
|
2000-08-10 21:09:42 +00:00
|
|
|
|
|
|
|
|
|
if (r != bfd_reloc_ok)
|
|
|
|
|
{
|
|
|
|
|
const char * msg = (const char *) NULL;
|
|
|
|
|
|
|
|
|
|
switch (r)
|
|
|
|
|
{
|
|
|
|
|
case bfd_reloc_overflow:
|
|
|
|
|
r = info->callbacks->reloc_overflow
|
|
|
|
|
(info, name, howto->name, (bfd_vma) 0,
|
|
|
|
|
input_bfd, input_section, rel->r_offset);
|
|
|
|
|
break;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
case bfd_reloc_undefined:
|
|
|
|
|
r = info->callbacks->undefined_symbol
|
|
|
|
|
(info, name, input_bfd, input_section, rel->r_offset, true);
|
|
|
|
|
break;
|
2000-12-05 13:20:10 +00:00
|
|
|
|
|
2000-08-10 21:09:42 +00:00
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
2000-09-03 01:39:08 +00:00
|
|
|
|
/* Return whether a symbol name implies a local label. SVR4/860 compilers
|
|
|
|
|
generate labels of the form ".ep.function_name" to denote the end of a
|
|
|
|
|
function prolog. These should be local.
|
|
|
|
|
??? Do any other SVR4 compilers have this convention? If so, this should
|
|
|
|
|
be added to the generic routine. */
|
|
|
|
|
static boolean
|
|
|
|
|
elf32_i860_is_local_label_name (abfd, name)
|
|
|
|
|
bfd *abfd;
|
|
|
|
|
const char *name;
|
|
|
|
|
{
|
|
|
|
|
if (name[0] == '.' && name[1] == 'e' && name[2] == 'p' && name[3] == '.')
|
|
|
|
|
return true;
|
|
|
|
|
|
|
|
|
|
return _bfd_elf_is_local_label_name (abfd, name);
|
|
|
|
|
}
|
2000-08-10 21:09:42 +00:00
|
|
|
|
|
2000-07-22 Jason Eckhardt <jle@cygnus.com>
* include/opcode/i860.h (btne, bte, bla): Changed these opcodes
to use sbroff ('r') instead of split16 ('s').
(J, K, L, M): New operand types for 16-bit aligned fields.
(ld.x, {p}fld.x, fst.x, pst.d): Changed these opcodes to
use I, J, K, L, M instead of just I.
(T, U): New operand types for split 16-bit aligned fields.
(st.x): Changed these opcodes to use S, T, U instead of just S.
(andh, andnoth, orh, xorh): Deleted 3-register forms as they do not
exist on the i860.
(pfgt.sd, pfle.sd): Deleted these as they do not exist on the i860.
(pfeq.ss, pfeq.dd): New opcodes.
(st.s): Fixed incorrect mask bits.
(fmlow): Fixed incorrect mask bits.
(fzchkl, pfzchkl): Fixed incorrect mask bits.
(faddz, pfaddz): Fixed incorrect mask bits.
(form, pform): Fixed incorrect mask bits.
(pfld.l): Fixed incorrect mask bits.
(fst.q): Fixed incorrect mask bits.
(all floating point opcodes): Fixed incorrect mask bits for
handling of dual bit.
* include/elf/i860.h: New file.
(elf_i860_reloc_type): Defined ELF32 i860 relocations.
* bfd/cpu-i860.c: Added comments.
* bfd/elf32-i860.c (TARGET_LITTLE_SYM): Defined to
bfd_elf32_i860_little_vec.
(TARGET_LITTLE_NAME): Defined to "elf32-i860-little".
(ELF_MAXPAGESIZE): Changed to 4096.
* bfd/targets.c (bfd_elf32_i860_little_vec): Declaration of
new target.
(bfd_target_vector): Added bfd_elf32_i860_little_vec.
* bfd/config.bfd (i860-stardent-sysv4*, i860-stardent-elf*): Added
config for little endian elf32 i860.
(targ_defvec): Define for the new config above
as "bfd_elf32_i860_little_vec".
(targ_selvecs): Define for the new config above
as "bfd_elf32_i860_vec bfd_elf32_i860_little_vec"
* bfd/configure.in (bfd_elf32_i860_little_vec): Added recognition
of new target vec.
* bfd/configure: Regenerated.
* opcodes/i860-dis.c: New file.
(print_insn_i860): New function.
(print_br_address): New function.
(sign_extend): New function.
(BITWISE_OP): New macro.
(I860_REG_PREFIX): New macro.
(grnames, frnames, crnames): New structures.
* opcodes/disassemble.c (ARCH_i860): Define.
(disassembler): Add check for bfd_arch_i860 to set disassemble
function to print_insn_i860.
* include/dis-asm.h (print_insn_i860): Add prototype.
* opcodes/Makefile.in (CFILES): Added i860-dis.c.
(ALL_MACHINES): Added i860-dis.lo.
(i860-dis.lo): New dependences.
* opcodes/configure.in: New bits for bfd_i860_arch.
* opcodes/configure: Regenerated.
2000-07-28 21:10:20 +00:00
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#define TARGET_BIG_SYM bfd_elf32_i860_vec
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#define TARGET_BIG_NAME "elf32-i860"
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#define TARGET_LITTLE_SYM bfd_elf32_i860_little_vec
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#define TARGET_LITTLE_NAME "elf32-i860-little"
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2000-08-05 16:48:52 +00:00
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#define ELF_ARCH bfd_arch_i860
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#define ELF_MACHINE_CODE EM_860
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#define ELF_MAXPAGESIZE 4096
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2000-08-10 21:09:42 +00:00
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#define elf_info_to_howto_rel NULL
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2000-08-05 16:48:52 +00:00
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#define elf_info_to_howto elf32_i860_info_to_howto_rela
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2000-08-10 21:09:42 +00:00
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#define elf_backend_relocate_section elf32_i860_relocate_section
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2000-08-05 16:48:52 +00:00
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#define bfd_elf32_bfd_reloc_type_lookup elf32_i860_reloc_type_lookup
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2000-09-03 01:39:08 +00:00
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#define bfd_elf32_bfd_is_local_label_name elf32_i860_is_local_label_name
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1999-05-03 07:29:11 +00:00
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#include "elf32-target.h"
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