4991ebb987
aout_link_input_section_ext): Pass additional arguments to reloc_overflow callback. * coff-alpha.c (alpha_ecoff_get_relocated_section_contents, alpha_relocat_section): Likewise. * coff-h8300.c (h8300_reloc16_extra_cases): Likewise. * coff-h8500.c (extra_case): Likewise. * coff-mips.c (mips_relocate_section): Likewise. * coff-z8k.c (extra_case): Likewise. * elf32-hppa.c (hppa_elf_stub_finish): Likewise. * reloc.c (bfd_generic_get_relocated_section_contents): Likewise.
1327 lines
40 KiB
C
1327 lines
40 KiB
C
/* BFD back-end for MIPS Extended-Coff files.
|
||
Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
|
||
Original version by Per Bothner.
|
||
Full support added by Ian Lance Taylor, ian@cygnus.com.
|
||
|
||
This file is part of BFD, the Binary File Descriptor library.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(at your option) any later version.
|
||
|
||
This program is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with this program; if not, write to the Free Software
|
||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
#include "bfd.h"
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||
#include "sysdep.h"
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||
#include "bfdlink.h"
|
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#include "libbfd.h"
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#include "coff/internal.h"
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#include "coff/sym.h"
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#include "coff/symconst.h"
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#include "coff/ecoff.h"
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#include "coff/mips.h"
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#include "libcoff.h"
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#include "libecoff.h"
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/* Prototypes for static functions. */
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static boolean mips_ecoff_bad_format_hook PARAMS ((bfd *abfd, PTR filehdr));
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static void mips_ecoff_swap_reloc_in PARAMS ((bfd *, PTR,
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struct internal_reloc *));
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static void mips_ecoff_swap_reloc_out PARAMS ((bfd *,
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const struct internal_reloc *,
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PTR));
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static void mips_adjust_reloc_in PARAMS ((bfd *,
|
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const struct internal_reloc *,
|
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arelent *));
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static void mips_adjust_reloc_out PARAMS ((bfd *, const arelent *,
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struct internal_reloc *));
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static bfd_reloc_status_type mips_generic_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_refhi_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_reflo_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type mips_gprel_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static void mips_relocate_refhi PARAMS ((struct internal_reloc *refhi,
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struct internal_reloc *reflo,
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bfd *input_bfd,
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asection *input_section,
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bfd_byte *contents,
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bfd_vma relocation));
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static boolean mips_relocate_section PARAMS ((bfd *, struct bfd_link_info *,
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bfd *, asection *,
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bfd_byte *, PTR));
|
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|
||
/* ECOFF has COFF sections, but the debugging information is stored in
|
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a completely different format. ECOFF targets use some of the
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swapping routines from coffswap.h, and some of the generic COFF
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routines in coffgen.c, but, unlike the real COFF targets, do not
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use coffcode.h itself.
|
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|
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Get the generic COFF swapping routines, except for the reloc,
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symbol, and lineno ones. Give them ECOFF names. */
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#define MIPSECOFF
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#define NO_COFF_RELOCS
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#define NO_COFF_SYMBOLS
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#define NO_COFF_LINENOS
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#define coff_swap_filehdr_in mips_ecoff_swap_filehdr_in
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#define coff_swap_filehdr_out mips_ecoff_swap_filehdr_out
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#define coff_swap_aouthdr_in mips_ecoff_swap_aouthdr_in
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#define coff_swap_aouthdr_out mips_ecoff_swap_aouthdr_out
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#define coff_swap_scnhdr_in mips_ecoff_swap_scnhdr_in
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#define coff_swap_scnhdr_out mips_ecoff_swap_scnhdr_out
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#include "coffswap.h"
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/* Get the ECOFF swapping routines. */
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#define ECOFF_32
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#include "ecoffswap.h"
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/* How to process the various relocs types. */
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static reloc_howto_type mips_howto_table[] =
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{
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/* Reloc type 0 is ignored. The reloc reading code ensures that
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this is a reference to the .abs section, which will cause
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bfd_perform_relocation to do nothing. */
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HOWTO (MIPS_R_IGNORE, /* 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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0, /* special_function */
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"IGNORE", /* name */
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false, /* partial_inplace */
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0, /* src_mask */
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0, /* dst_mask */
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false), /* pcrel_offset */
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/* A 16 bit reference to a symbol, normally from a data section. */
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HOWTO (MIPS_R_REFHALF, /* type */
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0, /* rightshift */
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1, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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mips_generic_reloc, /* special_function */
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"REFHALF", /* 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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/* A 32 bit reference to a symbol, normally from a data section. */
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HOWTO (MIPS_R_REFWORD, /* 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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mips_generic_reloc, /* special_function */
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"REFWORD", /* 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 absolute jump address. */
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HOWTO (MIPS_R_JMPADDR, /* type */
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2, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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26, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_dont, /* complain_on_overflow */
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/* This needs complex overflow
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detection, because the upper four
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bits must match the PC. */
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mips_generic_reloc, /* special_function */
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"JMPADDR", /* 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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/* The high 16 bits of a symbol value. Handled by the function
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mips_refhi_reloc. */
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HOWTO (MIPS_R_REFHI, /* type */
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16, /* rightshift */
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2, /* size (0 = byte, 1 = short, 2 = long) */
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16, /* bitsize */
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false, /* pc_relative */
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0, /* bitpos */
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complain_overflow_bitfield, /* complain_on_overflow */
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mips_refhi_reloc, /* special_function */
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"REFHI", /* 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 low 16 bits of a symbol value. */
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HOWTO (MIPS_R_REFLO, /* 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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mips_reflo_reloc, /* special_function */
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"REFLO", /* 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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/* A reference to an offset from the gp register. Handled by the
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function mips_gprel_reloc. */
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HOWTO (MIPS_R_GPREL, /* 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_signed, /* complain_on_overflow */
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mips_gprel_reloc, /* special_function */
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"GPREL", /* 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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/* A reference to a literal using an offset from the gp register.
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Handled by the function mips_gprel_reloc. */
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HOWTO (MIPS_R_LITERAL, /* 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_signed, /* complain_on_overflow */
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mips_gprel_reloc, /* special_function */
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"LITERAL", /* 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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};
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#define MIPS_HOWTO_COUNT \
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(sizeof mips_howto_table / sizeof mips_howto_table[0])
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/* See whether the magic number matches. */
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static boolean
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mips_ecoff_bad_format_hook (abfd, filehdr)
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bfd *abfd;
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PTR filehdr;
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{
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struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
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switch (internal_f->f_magic)
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{
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case MIPS_MAGIC_1:
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/* I don't know what endianness this implies. */
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return true;
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case MIPS_MAGIC_BIG:
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case MIPS_MAGIC_BIG2:
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case MIPS_MAGIC_BIG3:
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return abfd->xvec->byteorder_big_p;
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case MIPS_MAGIC_LITTLE:
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case MIPS_MAGIC_LITTLE2:
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case MIPS_MAGIC_LITTLE3:
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return abfd->xvec->byteorder_big_p == false;
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default:
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return false;
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}
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}
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/* Reloc handling. MIPS ECOFF relocs are packed into 8 bytes in
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external form. They use a bit which indicates whether the symbol
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is external. */
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/* Swap a reloc in. */
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static void
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mips_ecoff_swap_reloc_in (abfd, ext_ptr, intern)
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bfd *abfd;
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PTR ext_ptr;
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struct internal_reloc *intern;
|
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{
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const RELOC *ext = (RELOC *) ext_ptr;
|
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|
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intern->r_vaddr = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_vaddr);
|
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if (abfd->xvec->header_byteorder_big_p != false)
|
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{
|
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intern->r_symndx = (((int) ext->r_bits[0]
|
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<< RELOC_BITS0_SYMNDX_SH_LEFT_BIG)
|
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| ((int) ext->r_bits[1]
|
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<< RELOC_BITS1_SYMNDX_SH_LEFT_BIG)
|
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| ((int) ext->r_bits[2]
|
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<< RELOC_BITS2_SYMNDX_SH_LEFT_BIG));
|
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intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_BIG)
|
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>> RELOC_BITS3_TYPE_SH_BIG);
|
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intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_BIG) != 0;
|
||
}
|
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else
|
||
{
|
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intern->r_symndx = (((int) ext->r_bits[0]
|
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<< RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE)
|
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| ((int) ext->r_bits[1]
|
||
<< RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE)
|
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| ((int) ext->r_bits[2]
|
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<< RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE));
|
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intern->r_type = ((ext->r_bits[3] & RELOC_BITS3_TYPE_LITTLE)
|
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>> RELOC_BITS3_TYPE_SH_LITTLE);
|
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intern->r_extern = (ext->r_bits[3] & RELOC_BITS3_EXTERN_LITTLE) != 0;
|
||
}
|
||
}
|
||
|
||
/* Swap a reloc out. */
|
||
|
||
static void
|
||
mips_ecoff_swap_reloc_out (abfd, intern, dst)
|
||
bfd *abfd;
|
||
const struct internal_reloc *intern;
|
||
PTR dst;
|
||
{
|
||
RELOC *ext = (RELOC *) dst;
|
||
|
||
BFD_ASSERT (intern->r_extern
|
||
|| (intern->r_symndx >= 0 && intern->r_symndx <= 12));
|
||
|
||
bfd_h_put_32 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr);
|
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if (abfd->xvec->header_byteorder_big_p != false)
|
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{
|
||
ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_BIG;
|
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ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_BIG;
|
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ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_BIG;
|
||
ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_BIG)
|
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& RELOC_BITS3_TYPE_BIG)
|
||
| (intern->r_extern ? RELOC_BITS3_EXTERN_BIG : 0));
|
||
}
|
||
else
|
||
{
|
||
ext->r_bits[0] = intern->r_symndx >> RELOC_BITS0_SYMNDX_SH_LEFT_LITTLE;
|
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ext->r_bits[1] = intern->r_symndx >> RELOC_BITS1_SYMNDX_SH_LEFT_LITTLE;
|
||
ext->r_bits[2] = intern->r_symndx >> RELOC_BITS2_SYMNDX_SH_LEFT_LITTLE;
|
||
ext->r_bits[3] = (((intern->r_type << RELOC_BITS3_TYPE_SH_LITTLE)
|
||
& RELOC_BITS3_TYPE_LITTLE)
|
||
| (intern->r_extern ? RELOC_BITS3_EXTERN_LITTLE : 0));
|
||
}
|
||
}
|
||
|
||
/* Finish canonicalizing a reloc. Part of this is generic to all
|
||
ECOFF targets, and that part is in ecoff.c. The rest is done in
|
||
this backend routine. It must fill in the howto field. */
|
||
|
||
static void
|
||
mips_adjust_reloc_in (abfd, intern, rptr)
|
||
bfd *abfd;
|
||
const struct internal_reloc *intern;
|
||
arelent *rptr;
|
||
{
|
||
if (intern->r_type > MIPS_R_LITERAL)
|
||
abort ();
|
||
|
||
if (! intern->r_extern
|
||
&& (intern->r_type == MIPS_R_GPREL
|
||
|| intern->r_type == MIPS_R_LITERAL))
|
||
rptr->addend += ecoff_data (abfd)->gp;
|
||
|
||
/* If the type is MIPS_R_IGNORE, make sure this is a reference to
|
||
the absolute section so that the reloc is ignored. */
|
||
if (intern->r_type == MIPS_R_IGNORE)
|
||
rptr->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
|
||
|
||
rptr->howto = &mips_howto_table[intern->r_type];
|
||
}
|
||
|
||
/* Make any adjustments needed to a reloc before writing it out. None
|
||
are needed for MIPS. */
|
||
|
||
static void
|
||
mips_adjust_reloc_out (abfd, rel, intern)
|
||
bfd *abfd;
|
||
const arelent *rel;
|
||
struct internal_reloc *intern;
|
||
{
|
||
}
|
||
|
||
/* ECOFF relocs are either against external symbols, or against
|
||
sections. If we are producing relocateable output, and the reloc
|
||
is against an external symbol, and nothing has given us any
|
||
additional addend, the resulting reloc will also be against the
|
||
same symbol. In such a case, we don't want to change anything
|
||
about the way the reloc is handled, since it will all be done at
|
||
final link time. Rather than put special case code into
|
||
bfd_perform_relocation, all the reloc types use this howto
|
||
function. It just short circuits the reloc if producing
|
||
relocateable output against an external symbol. */
|
||
|
||
static bfd_reloc_status_type
|
||
mips_generic_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
if (output_bfd != (bfd *) NULL
|
||
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
||
&& reloc_entry->addend == 0)
|
||
{
|
||
reloc_entry->address += input_section->output_offset;
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
return bfd_reloc_continue;
|
||
}
|
||
|
||
/* Do a REFHI relocation. This has to be done in combination with a
|
||
REFLO reloc, because there is a carry from the REFLO to the REFHI.
|
||
Here we just save the information we need; we do the actual
|
||
relocation when we see the REFLO. MIPS ECOFF requires that the
|
||
REFLO immediately follow the REFHI, so this ought to work. */
|
||
|
||
static bfd_byte *mips_refhi_addr;
|
||
static bfd_vma mips_refhi_addend;
|
||
|
||
static bfd_reloc_status_type
|
||
mips_refhi_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
bfd_reloc_status_type ret;
|
||
bfd_vma relocation;
|
||
|
||
/* If we're relocating, and this an external symbol, we don't want
|
||
to change anything. */
|
||
if (output_bfd != (bfd *) NULL
|
||
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
||
&& reloc_entry->addend == 0)
|
||
{
|
||
reloc_entry->address += input_section->output_offset;
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
ret = bfd_reloc_ok;
|
||
if (symbol->section == &bfd_und_section
|
||
&& output_bfd == (bfd *) NULL)
|
||
ret = bfd_reloc_undefined;
|
||
|
||
if (bfd_is_com_section (symbol->section))
|
||
relocation = 0;
|
||
else
|
||
relocation = symbol->value;
|
||
|
||
relocation += symbol->section->output_section->vma;
|
||
relocation += symbol->section->output_offset;
|
||
relocation += reloc_entry->addend;
|
||
|
||
if (reloc_entry->address > input_section->_cooked_size)
|
||
return bfd_reloc_outofrange;
|
||
|
||
/* Save the information, and let REFLO do the actual relocation. */
|
||
mips_refhi_addr = (bfd_byte *) data + reloc_entry->address;
|
||
mips_refhi_addend = relocation;
|
||
|
||
if (output_bfd != (bfd *) NULL)
|
||
reloc_entry->address += input_section->output_offset;
|
||
|
||
return ret;
|
||
}
|
||
|
||
/* Do a REFLO relocation. This is a straightforward 16 bit inplace
|
||
relocation; this function exists in order to do the REFHI
|
||
relocation described above. */
|
||
|
||
static bfd_reloc_status_type
|
||
mips_reflo_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
if (mips_refhi_addr != (bfd_byte *) NULL)
|
||
{
|
||
unsigned long insn;
|
||
unsigned long val;
|
||
unsigned long vallo;
|
||
|
||
/* Do the REFHI relocation. Note that we actually don't need to
|
||
know anything about the REFLO itself, except where to find
|
||
the low 16 bits of the addend needed by the REFHI. */
|
||
insn = bfd_get_32 (abfd, mips_refhi_addr);
|
||
vallo = (bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address)
|
||
& 0xffff);
|
||
val = ((insn & 0xffff) << 16) + vallo;
|
||
val += mips_refhi_addend;
|
||
|
||
/* The low order 16 bits are always treated as a signed value.
|
||
Therefore, a negative value in the low order bits requires an
|
||
adjustment in the high order bits. We need to make this
|
||
adjustment in two ways: once for the bits we took from the
|
||
data, and once for the bits we are putting back in to the
|
||
data. */
|
||
if ((vallo & 0x8000) != 0)
|
||
val -= 0x10000;
|
||
if ((val & 0x8000) != 0)
|
||
val += 0x10000;
|
||
|
||
insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
|
||
bfd_put_32 (abfd, insn, mips_refhi_addr);
|
||
|
||
mips_refhi_addr = (bfd_byte *) NULL;
|
||
}
|
||
|
||
/* Now do the REFLO reloc in the usual way. */
|
||
return mips_generic_reloc (abfd, reloc_entry, symbol, data,
|
||
input_section, output_bfd, error_message);
|
||
}
|
||
|
||
/* Do a GPREL relocation. This is a 16 bit value which must become
|
||
the offset from the gp register. */
|
||
|
||
static bfd_reloc_status_type
|
||
mips_gprel_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
boolean relocateable;
|
||
bfd_vma relocation;
|
||
unsigned long val;
|
||
unsigned long insn;
|
||
|
||
/* If we're relocating, and this is an external symbol with no
|
||
addend, we don't want to change anything. We will only have an
|
||
addend if this is a newly created reloc, not read from an ECOFF
|
||
file. */
|
||
if (output_bfd != (bfd *) NULL
|
||
&& (symbol->flags & BSF_SECTION_SYM) == 0
|
||
&& reloc_entry->addend == 0)
|
||
{
|
||
reloc_entry->address += input_section->output_offset;
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
if (output_bfd != (bfd *) NULL)
|
||
relocateable = true;
|
||
else
|
||
{
|
||
relocateable = false;
|
||
output_bfd = symbol->section->output_section->owner;
|
||
}
|
||
|
||
if (symbol->section == &bfd_und_section
|
||
&& relocateable == false)
|
||
return bfd_reloc_undefined;
|
||
|
||
/* We have to figure out the gp value, so that we can adjust the
|
||
symbol value correctly. We look up the symbol _gp in the output
|
||
BFD. If we can't find it, we're stuck. We cache it in the ECOFF
|
||
target data. We don't need to adjust the symbol value for an
|
||
external symbol if we are producing relocateable output. */
|
||
if (ecoff_data (output_bfd)->gp == 0
|
||
&& (relocateable == false
|
||
|| (symbol->flags & BSF_SECTION_SYM) != 0))
|
||
{
|
||
if (relocateable != false)
|
||
{
|
||
/* Make up a value. */
|
||
ecoff_data (output_bfd)->gp =
|
||
symbol->section->output_section->vma + 0x4000;
|
||
}
|
||
else
|
||
{
|
||
unsigned int count;
|
||
asymbol **sym;
|
||
unsigned int i;
|
||
|
||
count = bfd_get_symcount (output_bfd);
|
||
sym = bfd_get_outsymbols (output_bfd);
|
||
|
||
if (sym == (asymbol **) NULL)
|
||
i = count;
|
||
else
|
||
{
|
||
for (i = 0; i < count; i++, sym++)
|
||
{
|
||
register CONST char *name;
|
||
|
||
name = bfd_asymbol_name (*sym);
|
||
if (*name == '_' && strcmp (name, "_gp") == 0)
|
||
{
|
||
ecoff_data (output_bfd)->gp = bfd_asymbol_value (*sym);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (i >= count)
|
||
{
|
||
/* Only get the error once. */
|
||
ecoff_data (output_bfd)->gp = 4;
|
||
*error_message =
|
||
(char *) "GP relative relocation when _gp not defined";
|
||
return bfd_reloc_dangerous;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (bfd_is_com_section (symbol->section))
|
||
relocation = 0;
|
||
else
|
||
relocation = symbol->value;
|
||
|
||
relocation += symbol->section->output_section->vma;
|
||
relocation += symbol->section->output_offset;
|
||
|
||
if (reloc_entry->address > input_section->_cooked_size)
|
||
return bfd_reloc_outofrange;
|
||
|
||
insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
|
||
|
||
/* Set val to the offset into the section or symbol. */
|
||
val = ((insn & 0xffff) + reloc_entry->addend) & 0xffff;
|
||
if (val & 0x8000)
|
||
val -= 0x10000;
|
||
|
||
/* Adjust val for the final section location and GP value. If we
|
||
are producing relocateable output, we don't want to do this for
|
||
an external symbol. */
|
||
if (relocateable == false
|
||
|| (symbol->flags & BSF_SECTION_SYM) != 0)
|
||
val += relocation - ecoff_data (output_bfd)->gp;
|
||
|
||
insn = (insn &~ 0xffff) | (val & 0xffff);
|
||
bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
|
||
|
||
if (relocateable != false)
|
||
reloc_entry->address += input_section->output_offset;
|
||
|
||
/* Make sure it fit in 16 bits. */
|
||
if (val >= 0x8000 && val < 0xffff8000)
|
||
return bfd_reloc_overflow;
|
||
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
/* Get the howto structure for a generic reloc type. */
|
||
|
||
static CONST struct reloc_howto_struct *
|
||
mips_bfd_reloc_type_lookup (abfd, code)
|
||
bfd *abfd;
|
||
bfd_reloc_code_real_type code;
|
||
{
|
||
int mips_type;
|
||
|
||
switch (code)
|
||
{
|
||
case BFD_RELOC_16:
|
||
mips_type = MIPS_R_REFHALF;
|
||
break;
|
||
case BFD_RELOC_32:
|
||
mips_type = MIPS_R_REFWORD;
|
||
break;
|
||
case BFD_RELOC_MIPS_JMP:
|
||
mips_type = MIPS_R_JMPADDR;
|
||
break;
|
||
case BFD_RELOC_HI16_S:
|
||
mips_type = MIPS_R_REFHI;
|
||
break;
|
||
case BFD_RELOC_LO16:
|
||
mips_type = MIPS_R_REFLO;
|
||
break;
|
||
case BFD_RELOC_MIPS_GPREL:
|
||
mips_type = MIPS_R_GPREL;
|
||
break;
|
||
case BFD_RELOC_MIPS_LITERAL:
|
||
mips_type = MIPS_R_LITERAL;
|
||
break;
|
||
default:
|
||
return (CONST struct reloc_howto_struct *) NULL;
|
||
}
|
||
|
||
return &mips_howto_table[mips_type];
|
||
}
|
||
|
||
/* A helper routine for mips_relocate_section which handles the REFHI
|
||
relocation. The REFHI relocation must be followed by a REFLO
|
||
relocation, and the addend used is formed from the addends of both
|
||
instructions. */
|
||
|
||
static void
|
||
mips_relocate_refhi (refhi, reflo, input_bfd, input_section, contents,
|
||
relocation)
|
||
struct internal_reloc *refhi;
|
||
struct internal_reloc *reflo;
|
||
bfd *input_bfd;
|
||
asection *input_section;
|
||
bfd_byte *contents;
|
||
bfd_vma relocation;
|
||
{
|
||
unsigned long insn;
|
||
unsigned long val;
|
||
unsigned long vallo;
|
||
|
||
insn = bfd_get_32 (input_bfd,
|
||
contents + refhi->r_vaddr - input_section->vma);
|
||
vallo = (bfd_get_32 (input_bfd,
|
||
contents + reflo->r_vaddr - input_section->vma)
|
||
& 0xffff);
|
||
val = ((insn & 0xffff) << 16) + vallo;
|
||
val += relocation;
|
||
|
||
/* The low order 16 bits are always treated as a signed value.
|
||
Therefore, a negative value in the low order bits requires an
|
||
adjustment in the high order bits. We need to make this
|
||
adjustment in two ways: once for the bits we took from the data,
|
||
and once for the bits we are putting back in to the data. */
|
||
if ((vallo & 0x8000) != 0)
|
||
val -= 0x10000;
|
||
if ((val & 0x8000) != 0)
|
||
val += 0x10000;
|
||
|
||
insn = (insn &~ 0xffff) | ((val >> 16) & 0xffff);
|
||
bfd_put_32 (input_bfd, (bfd_vma) insn,
|
||
contents + refhi->r_vaddr - input_section->vma);
|
||
}
|
||
|
||
/* Relocate a section while linking a MIPS ECOFF file. */
|
||
|
||
static boolean
|
||
mips_relocate_section (output_bfd, info, input_bfd, input_section,
|
||
contents, external_relocs)
|
||
bfd *output_bfd;
|
||
struct bfd_link_info *info;
|
||
bfd *input_bfd;
|
||
asection *input_section;
|
||
bfd_byte *contents;
|
||
PTR external_relocs;
|
||
{
|
||
asection **symndx_to_section;
|
||
struct ecoff_link_hash_entry **sym_hashes;
|
||
bfd_vma gp;
|
||
boolean gp_undefined;
|
||
struct external_reloc *ext_rel;
|
||
struct external_reloc *ext_rel_end;
|
||
boolean got_reflo;
|
||
|
||
BFD_ASSERT (input_bfd->xvec->header_byteorder_big_p
|
||
== output_bfd->xvec->header_byteorder_big_p);
|
||
|
||
/* We keep a table mapping the symndx found in an internal reloc to
|
||
the appropriate section. This is faster than looking up the
|
||
section by name each time. */
|
||
symndx_to_section = ecoff_data (input_bfd)->symndx_to_section;
|
||
if (symndx_to_section == (asection **) NULL)
|
||
{
|
||
symndx_to_section = ((asection **)
|
||
bfd_alloc (input_bfd,
|
||
(NUM_RELOC_SECTIONS
|
||
* sizeof (asection *))));
|
||
|
||
symndx_to_section[RELOC_SECTION_NONE] = NULL;
|
||
symndx_to_section[RELOC_SECTION_TEXT] =
|
||
bfd_get_section_by_name (input_bfd, ".text");
|
||
symndx_to_section[RELOC_SECTION_RDATA] =
|
||
bfd_get_section_by_name (input_bfd, ".rdata");
|
||
symndx_to_section[RELOC_SECTION_DATA] =
|
||
bfd_get_section_by_name (input_bfd, ".data");
|
||
symndx_to_section[RELOC_SECTION_SDATA] =
|
||
bfd_get_section_by_name (input_bfd, ".sdata");
|
||
symndx_to_section[RELOC_SECTION_SBSS] =
|
||
bfd_get_section_by_name (input_bfd, ".sbss");
|
||
symndx_to_section[RELOC_SECTION_BSS] =
|
||
bfd_get_section_by_name (input_bfd, ".bss");
|
||
symndx_to_section[RELOC_SECTION_INIT] =
|
||
bfd_get_section_by_name (input_bfd, ".init");
|
||
symndx_to_section[RELOC_SECTION_LIT8] =
|
||
bfd_get_section_by_name (input_bfd, ".lit8");
|
||
symndx_to_section[RELOC_SECTION_LIT4] =
|
||
bfd_get_section_by_name (input_bfd, ".lit4");
|
||
symndx_to_section[RELOC_SECTION_XDATA] = NULL;
|
||
symndx_to_section[RELOC_SECTION_PDATA] = NULL;
|
||
symndx_to_section[RELOC_SECTION_FINI] =
|
||
bfd_get_section_by_name (input_bfd, ".fini");
|
||
symndx_to_section[RELOC_SECTION_LITA] = NULL;
|
||
symndx_to_section[RELOC_SECTION_ABS] = NULL;
|
||
|
||
ecoff_data (input_bfd)->symndx_to_section = symndx_to_section;
|
||
}
|
||
|
||
sym_hashes = ecoff_data (input_bfd)->sym_hashes;
|
||
|
||
gp = ecoff_data (output_bfd)->gp;
|
||
if (gp == 0)
|
||
gp_undefined = true;
|
||
else
|
||
gp_undefined = false;
|
||
|
||
got_reflo = false;
|
||
|
||
ext_rel = (struct external_reloc *) external_relocs;
|
||
ext_rel_end = ext_rel + input_section->reloc_count;
|
||
for (; ext_rel < ext_rel_end; ext_rel++)
|
||
{
|
||
struct internal_reloc int_rel;
|
||
struct internal_reloc reflo_int_rel;
|
||
bfd_vma addend;
|
||
reloc_howto_type *howto;
|
||
struct ecoff_link_hash_entry *h = NULL;
|
||
asection *s = NULL;
|
||
bfd_vma relocation;
|
||
bfd_reloc_status_type r;
|
||
|
||
if (! got_reflo)
|
||
mips_ecoff_swap_reloc_in (input_bfd, (PTR) ext_rel, &int_rel);
|
||
else
|
||
{
|
||
int_rel = reflo_int_rel;
|
||
got_reflo = false;
|
||
}
|
||
|
||
BFD_ASSERT (int_rel.r_type
|
||
< sizeof mips_howto_table / sizeof mips_howto_table[0]);
|
||
|
||
/* The REFHI reloc requires special handling. It must be
|
||
followed by a REFLO reloc, and the addend is formed from both
|
||
fields. */
|
||
if (int_rel.r_type == MIPS_R_REFHI)
|
||
{
|
||
BFD_ASSERT ((ext_rel + 1) < ext_rel_end);
|
||
mips_ecoff_swap_reloc_in (input_bfd, (PTR) (ext_rel + 1),
|
||
&reflo_int_rel);
|
||
BFD_ASSERT (reflo_int_rel.r_type == MIPS_R_REFLO
|
||
&& int_rel.r_extern == reflo_int_rel.r_extern
|
||
&& int_rel.r_symndx == reflo_int_rel.r_symndx);
|
||
got_reflo = true;
|
||
}
|
||
|
||
howto = &mips_howto_table[int_rel.r_type];
|
||
|
||
if (int_rel.r_extern)
|
||
{
|
||
h = sym_hashes[int_rel.r_symndx];
|
||
/* If h is NULL, that means that there is a reloc against an
|
||
external symbol which we thought was just a debugging
|
||
symbol. This should not happen. */
|
||
if (h == (struct ecoff_link_hash_entry *) NULL)
|
||
abort ();
|
||
}
|
||
else
|
||
{
|
||
if (int_rel.r_symndx < 0 || int_rel.r_symndx >= NUM_RELOC_SECTIONS)
|
||
s = NULL;
|
||
else
|
||
s = symndx_to_section[int_rel.r_symndx];
|
||
|
||
if (s == (asection *) NULL)
|
||
abort ();
|
||
}
|
||
|
||
/* The GPREL reloc uses an addend: the difference in the GP
|
||
values. */
|
||
if (int_rel.r_type != MIPS_R_GPREL)
|
||
addend = 0;
|
||
else
|
||
{
|
||
if (gp_undefined)
|
||
{
|
||
if (! ((*info->callbacks->reloc_dangerous)
|
||
(info, "GP relative relocation when GP not defined",
|
||
input_bfd, input_section,
|
||
int_rel.r_vaddr - input_section->vma)))
|
||
return false;
|
||
/* Only give the error once per link. */
|
||
ecoff_data (output_bfd)->gp = gp = 4;
|
||
gp_undefined = false;
|
||
}
|
||
if (! int_rel.r_extern)
|
||
{
|
||
/* This is a relocation against a section. The current
|
||
addend in the instruction is the difference between
|
||
INPUT_SECTION->vma and the GP value of INPUT_BFD. We
|
||
must change this to be the difference between the
|
||
final definition (which will end up in RELOCATION)
|
||
and the GP value of OUTPUT_BFD (which is in GP). */
|
||
addend = ecoff_data (input_bfd)->gp - gp;
|
||
}
|
||
else if (! info->relocateable
|
||
|| h->root.type == bfd_link_hash_defined)
|
||
{
|
||
/* This is a relocation against an undefined or common
|
||
symbol. The current addend in the instruction is
|
||
simply the desired offset into the symbol (normally
|
||
zero). We are going to change this into a relocation
|
||
against a defined symbol, so we want the instruction
|
||
to hold the difference between the final definition
|
||
of the symbol (which will end up in RELOCATION) and
|
||
the GP value of OUTPUT_BFD (which is in GP). */
|
||
addend = - gp;
|
||
}
|
||
else
|
||
{
|
||
/* This is a relocation against an undefined or common
|
||
symbol. The current addend in the instruction is
|
||
simply the desired offset into the symbol (normally
|
||
zero). We are generating relocateable output, and we
|
||
aren't going to define this symbol, so we just leave
|
||
the instruction alone. */
|
||
addend = 0;
|
||
}
|
||
}
|
||
|
||
if (info->relocateable)
|
||
{
|
||
/* We are generating relocateable output, and must convert
|
||
the existing reloc. */
|
||
if (int_rel.r_extern)
|
||
{
|
||
if (h->root.type == bfd_link_hash_defined)
|
||
{
|
||
asection *hsec;
|
||
const char *name;
|
||
|
||
/* This symbol is defined in the output. Convert
|
||
the reloc from being against the symbol to being
|
||
against the section. */
|
||
|
||
/* Clear the r_extern bit. */
|
||
int_rel.r_extern = 0;
|
||
|
||
/* Compute a new r_symndx value. */
|
||
hsec = h->root.u.def.section;
|
||
name = bfd_get_section_name (output_bfd,
|
||
hsec->output_section);
|
||
|
||
int_rel.r_symndx = -1;
|
||
switch (name[1])
|
||
{
|
||
case 'b':
|
||
if (strcmp (name, ".bss") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_BSS;
|
||
break;
|
||
case 'd':
|
||
if (strcmp (name, ".data") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_DATA;
|
||
break;
|
||
case 'f':
|
||
if (strcmp (name, ".fini") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_FINI;
|
||
break;
|
||
case 'i':
|
||
if (strcmp (name, ".init") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_INIT;
|
||
break;
|
||
case 'l':
|
||
if (strcmp (name, ".lit8") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_LIT8;
|
||
else if (strcmp (name, ".lit4") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_LIT4;
|
||
break;
|
||
case 'r':
|
||
if (strcmp (name, ".rdata") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_RDATA;
|
||
break;
|
||
case 's':
|
||
if (strcmp (name, ".sdata") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_SDATA;
|
||
else if (strcmp (name, ".sbss") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_SBSS;
|
||
break;
|
||
case 't':
|
||
if (strcmp (name, ".text") == 0)
|
||
int_rel.r_symndx = RELOC_SECTION_TEXT;
|
||
break;
|
||
}
|
||
|
||
if (int_rel.r_symndx == -1)
|
||
abort ();
|
||
|
||
/* Add the section VMA and the symbol value. */
|
||
relocation = (h->root.u.def.value
|
||
+ hsec->output_section->vma
|
||
+ hsec->output_offset);
|
||
}
|
||
else
|
||
{
|
||
/* Change the symndx value to the right one for the
|
||
output BFD. */
|
||
int_rel.r_symndx = h->indx;
|
||
if (int_rel.r_symndx == -1)
|
||
{
|
||
/* This symbol is not being written out. */
|
||
if (! ((*info->callbacks->unattached_reloc)
|
||
(info, h->root.root.string, input_bfd,
|
||
input_section,
|
||
int_rel.r_vaddr - input_section->vma)))
|
||
return false;
|
||
int_rel.r_symndx = 0;
|
||
}
|
||
relocation = 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* This is a relocation against a section. Adjust the
|
||
value by the amount the section moved. */
|
||
relocation = (s->output_section->vma
|
||
+ s->output_offset
|
||
- s->vma);
|
||
}
|
||
|
||
relocation += addend;
|
||
|
||
/* Adjust the contents. */
|
||
if (relocation == 0)
|
||
r = bfd_reloc_ok;
|
||
else
|
||
{
|
||
if (int_rel.r_type != MIPS_R_REFHI)
|
||
r = _bfd_relocate_contents (howto, input_bfd, relocation,
|
||
(contents
|
||
+ int_rel.r_vaddr
|
||
- input_section->vma));
|
||
else
|
||
{
|
||
mips_relocate_refhi (&int_rel, &reflo_int_rel,
|
||
input_bfd, input_section, contents,
|
||
relocation);
|
||
r = bfd_reloc_ok;
|
||
}
|
||
}
|
||
|
||
/* Adjust the reloc address. */
|
||
int_rel.r_vaddr += (input_section->output_section->vma
|
||
+ input_section->output_offset
|
||
- input_section->vma);
|
||
|
||
/* Save the changed reloc information. */
|
||
mips_ecoff_swap_reloc_out (input_bfd, &int_rel, (PTR) ext_rel);
|
||
}
|
||
else
|
||
{
|
||
/* We are producing a final executable. */
|
||
if (int_rel.r_extern)
|
||
{
|
||
/* This is a reloc against a symbol. */
|
||
if (h->root.type == bfd_link_hash_defined)
|
||
{
|
||
asection *hsec;
|
||
|
||
hsec = h->root.u.def.section;
|
||
relocation = (h->root.u.def.value
|
||
+ hsec->output_section->vma
|
||
+ hsec->output_offset);
|
||
}
|
||
else
|
||
{
|
||
if (! ((*info->callbacks->undefined_symbol)
|
||
(info, h->root.root.string, input_bfd,
|
||
input_section,
|
||
int_rel.r_vaddr - input_section->vma)))
|
||
return false;
|
||
relocation = 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* This is a reloc against a section. */
|
||
relocation = (s->output_section->vma
|
||
+ s->output_offset
|
||
- s->vma);
|
||
|
||
/* Adjust a PC relative relocation by removing the
|
||
reference to the original source section. */
|
||
if (howto->pc_relative)
|
||
relocation += input_section->vma;
|
||
}
|
||
|
||
if (int_rel.r_type != MIPS_R_REFHI)
|
||
r = _bfd_final_link_relocate (howto,
|
||
input_bfd,
|
||
input_section,
|
||
contents,
|
||
int_rel.r_vaddr - input_section->vma,
|
||
relocation,
|
||
addend);
|
||
else
|
||
{
|
||
mips_relocate_refhi (&int_rel, &reflo_int_rel, input_bfd,
|
||
input_section, contents, relocation);
|
||
r = bfd_reloc_ok;
|
||
}
|
||
}
|
||
|
||
if (r != bfd_reloc_ok)
|
||
{
|
||
switch (r)
|
||
{
|
||
default:
|
||
case bfd_reloc_outofrange:
|
||
abort ();
|
||
case bfd_reloc_overflow:
|
||
{
|
||
const char *name;
|
||
|
||
if (int_rel.r_extern)
|
||
name = h->root.root.string;
|
||
else
|
||
name = bfd_section_name (input_bfd, s);
|
||
if (! ((*info->callbacks->reloc_overflow)
|
||
(info, name, howto->name, (bfd_vma) 0,
|
||
input_bfd, input_section,
|
||
int_rel.r_vaddr - input_section->vma)))
|
||
return false;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/* This is the ECOFF backend structure. The backend field of the
|
||
target vector points to this. */
|
||
|
||
static const struct ecoff_backend_data mips_ecoff_backend_data =
|
||
{
|
||
/* COFF backend structure. */
|
||
{
|
||
(void (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_in */
|
||
(void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_in */
|
||
(void (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_in */
|
||
(unsigned (*) PARAMS ((bfd *,PTR,int,int,PTR))) bfd_void, /* aux_out */
|
||
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* sym_out */
|
||
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* lineno_out */
|
||
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* reloc_out */
|
||
mips_ecoff_swap_filehdr_out, mips_ecoff_swap_aouthdr_out,
|
||
mips_ecoff_swap_scnhdr_out,
|
||
FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, true,
|
||
mips_ecoff_swap_filehdr_in, mips_ecoff_swap_aouthdr_in,
|
||
mips_ecoff_swap_scnhdr_in, mips_ecoff_bad_format_hook,
|
||
ecoff_set_arch_mach_hook, ecoff_mkobject_hook,
|
||
ecoff_styp_to_sec_flags, ecoff_make_section_hook, ecoff_set_alignment_hook,
|
||
ecoff_slurp_symbol_table, NULL, NULL
|
||
},
|
||
/* Supported architecture. */
|
||
bfd_arch_mips,
|
||
/* Initial portion of armap string. */
|
||
"__________",
|
||
/* The page boundary used to align sections in a demand-paged
|
||
executable file. E.g., 0x1000. */
|
||
0x1000,
|
||
/* True if the .rdata section is part of the text segment, as on the
|
||
Alpha. False if .rdata is part of the data segment, as on the
|
||
MIPS. */
|
||
false,
|
||
/* Bitsize of constructor entries. */
|
||
32,
|
||
/* Reloc to use for constructor entries. */
|
||
&mips_howto_table[MIPS_R_REFWORD],
|
||
{
|
||
/* Symbol table magic number. */
|
||
magicSym,
|
||
/* Alignment of debugging information. E.g., 4. */
|
||
4,
|
||
/* Sizes of external symbolic information. */
|
||
sizeof (struct hdr_ext),
|
||
sizeof (struct dnr_ext),
|
||
sizeof (struct pdr_ext),
|
||
sizeof (struct sym_ext),
|
||
sizeof (struct opt_ext),
|
||
sizeof (struct fdr_ext),
|
||
sizeof (struct rfd_ext),
|
||
sizeof (struct ext_ext),
|
||
/* Functions to swap in external symbolic data. */
|
||
ecoff_swap_hdr_in,
|
||
ecoff_swap_dnr_in,
|
||
ecoff_swap_pdr_in,
|
||
ecoff_swap_sym_in,
|
||
ecoff_swap_opt_in,
|
||
ecoff_swap_fdr_in,
|
||
ecoff_swap_rfd_in,
|
||
ecoff_swap_ext_in,
|
||
/* Functions to swap out external symbolic data. */
|
||
ecoff_swap_hdr_out,
|
||
ecoff_swap_dnr_out,
|
||
ecoff_swap_pdr_out,
|
||
ecoff_swap_sym_out,
|
||
ecoff_swap_opt_out,
|
||
ecoff_swap_fdr_out,
|
||
ecoff_swap_rfd_out,
|
||
ecoff_swap_ext_out
|
||
},
|
||
/* External reloc size. */
|
||
RELSZ,
|
||
/* Reloc swapping functions. */
|
||
mips_ecoff_swap_reloc_in,
|
||
mips_ecoff_swap_reloc_out,
|
||
/* Backend reloc tweaking. */
|
||
mips_adjust_reloc_in,
|
||
mips_adjust_reloc_out,
|
||
/* Relocate section contents while linking. */
|
||
mips_relocate_section
|
||
};
|
||
|
||
/* Looking up a reloc type is MIPS specific. */
|
||
#define ecoff_bfd_reloc_type_lookup mips_bfd_reloc_type_lookup
|
||
|
||
/* Getting relocated section contents is generic. */
|
||
#define ecoff_bfd_get_relocated_section_contents \
|
||
bfd_generic_get_relocated_section_contents
|
||
|
||
/* Core file support is usually traditional (but note that Irix uses
|
||
irix-core.c). */
|
||
#define ecoff_core_file_p _bfd_dummy_target
|
||
#define ecoff_core_file_failing_command _bfd_dummy_core_file_failing_command
|
||
#define ecoff_core_file_failing_signal _bfd_dummy_core_file_failing_signal
|
||
#define ecoff_core_file_matches_executable_p \
|
||
_bfd_dummy_core_file_matches_executable_p
|
||
|
||
bfd_target ecoff_little_vec =
|
||
{
|
||
"ecoff-littlemips", /* name */
|
||
bfd_target_ecoff_flavour,
|
||
false, /* data byte order is little */
|
||
false, /* header byte order is little */
|
||
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
||
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect
|
||
flags */
|
||
0, /* leading underscore */
|
||
' ', /* ar_pad_char */
|
||
15, /* ar_max_namelen */
|
||
4, /* minimum alignment power */
|
||
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
||
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
||
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
|
||
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
||
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
||
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
|
||
|
||
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
||
ecoff_archive_p, _bfd_dummy_target},
|
||
{bfd_false, ecoff_mkobject, /* bfd_set_format */
|
||
_bfd_generic_mkarchive, bfd_false},
|
||
{bfd_false, ecoff_write_object_contents, /* bfd_write_contents */
|
||
_bfd_write_archive_contents, bfd_false},
|
||
JUMP_TABLE (ecoff),
|
||
(PTR) &mips_ecoff_backend_data
|
||
};
|
||
|
||
bfd_target ecoff_big_vec =
|
||
{
|
||
"ecoff-bigmips", /* name */
|
||
bfd_target_ecoff_flavour,
|
||
true, /* data byte order is big */
|
||
true, /* header byte order is big */
|
||
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
|
||
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */
|
||
0, /* leading underscore */
|
||
' ', /* ar_pad_char */
|
||
15, /* ar_max_namelen */
|
||
4, /* minimum alignment power */
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16,
|
||
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
||
ecoff_archive_p, ecoff_core_file_p},
|
||
{bfd_false, ecoff_mkobject, /* bfd_set_format */
|
||
_bfd_generic_mkarchive, bfd_false},
|
||
{bfd_false, ecoff_write_object_contents, /* bfd_write_contents */
|
||
_bfd_write_archive_contents, bfd_false},
|
||
JUMP_TABLE(ecoff),
|
||
(PTR) &mips_ecoff_backend_data
|
||
/* Note that there is another bfd_target just above this one. If
|
||
you are adding initializers here, you should be adding them there
|
||
as well. */
|
||
};
|