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Convert m68k COFF to use new COFF backend linker.

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* coff-m68k.c (coff_relocate_section): Define.
	* cf-m68klynx.c (coff_rtype_to_howto): Define.
	(coff_m68k_lynx_rtype_to_howto): New static function.
	* configure.in (m68kcoff_vec): Build cofflink.o.
	(m68kcoffun_vec, m68klynx_coff_vec): Likewise.
This commit is contained in:
Ian Lance Taylor 1994-09-09 15:54:45 +00:00
parent 326d16cac7
commit bd23b552ef
3 changed files with 77 additions and 17 deletions
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13
bfd/ChangeLog
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@ -1,7 +1,16 @@
Fri Sep 9 11:51:49 1994 Ian Lance Taylor (ian@sanguine.cygnus.com)
Convert m68k COFF to use new COFF backend linker.
* coff-m68k.c (coff_relocate_section): Define.
* cf-m68klynx.c (coff_rtype_to_howto): Define.
(coff_m68k_lynx_rtype_to_howto): New static function.
* configure.in (m68kcoff_vec): Build cofflink.o.
(m68kcoffun_vec, m68klynx_coff_vec): Likewise.
Thu Sep 8 16:20:38 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* coff-h8300.c (h8300_reloc16_extra_cases, case RELBYTE): Flag overflows
correctly.
* coff-h8300.c (h8300_reloc16_extra_cases, case RELBYTE): Flag
overflows correctly.
Wed Sep 7 19:01:42 1994 Ian Lance Taylor (ian@sanguine.cygnus.com)

71
bfd/cf-m68klynx.c
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@ -1,5 +1,5 @@
/* BFD back-end for Motorola M68K COFF LynxOS files.
Copyright 1993 Free Software Foundation, Inc.
Copyright 1993, 1994 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
@ -35,13 +35,18 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "bfd.h"
#include "sysdep.h"
static bfd_reloc_status_type _bfd_m68klynx_special_fn PARAMS ((bfd *abfd,
arelent *reloc_entry,
asymbol *symbol,
PTR data,
asection *input_section,
bfd *output_bfd,
char **error_message));
#ifdef ANSI_PROTOTYPES
struct internal_reloc;
struct coff_link_hash_entry;
struct internal_syment;
#endif
static bfd_reloc_status_type _bfd_m68klynx_special_fn
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static const struct reloc_howto_struct *coff_m68k_lynx_rtype_to_howto
PARAMS ((bfd *, asection *, struct internal_reloc *,
struct coff_link_hash_entry *, struct internal_syment *,
bfd_vma *));
/* For some reason when using m68k COFF the value stored in the .text
section for a reference to a common symbol is the value itself plus
@ -54,8 +59,8 @@ static bfd_reloc_status_type _bfd_m68klynx_special_fn PARAMS ((bfd *abfd,
reloc type to make any required adjustments. */
static bfd_reloc_status_type
_bfd_m68klynx_special_fn (abfd, reloc_entry, symbol, data, input_section, output_bfd,
error_message)
_bfd_m68klynx_special_fn (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
@ -170,5 +175,51 @@ _bfd_m68klynx_special_fn (abfd, reloc_entry, symbol, data, input_section, output
cache_ptr->addend += asect->vma; \
}
#define coff_rtype_to_howto coff_m68k_lynx_rtype_to_howto
#include "coff-m68k.c"
/* coff-m68k.c uses the special COFF backend linker. We need to
adjust common symbols. FIXME: We may able to get rid of
CALC_ADDEND and _bfd_m68klynx_special_fn. However, they may still
be used by gas.
We can't define this function until after we have included
coff-m68k.c, because it uses RTYPE2HOWTO. */
/*ARGSUSED*/
static const struct reloc_howto_struct *
coff_m68k_lynx_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
bfd *abfd;
asection *sec;
struct internal_reloc *rel;
struct coff_link_hash_entry *h;
struct internal_syment *sym;
bfd_vma *addendp;
{
arelent relent;
const struct reloc_howto_struct *howto;
RTYPE2HOWTO (&relent, rel);
howto = relent.howto;
if (sym->n_scnum == 0 && sym->n_value != 0)
{
/* This is a common symbol. The section contents include the
size (sym->n_value) as an addend. The relocate_section
function will be adding in the final value of the symbol. We
need to subtract out the current size in order to get the
correct result. */
BFD_ASSERT (h != NULL);
*addendp -= sym->n_value;
}
/* If the output symbol is common (in which case this must be a
relocateable link), we need to add in the final size of the
common symbol. */
if (h != NULL && h->root.type == bfd_link_hash_common)
*addendp += h->root.u.c.size;
return howto;
}

10
bfd/configure.in
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@ -175,19 +175,19 @@ do
i386aout_vec) tb="$tb i386aout.o aout32.o stab-syms.o" ;;
i386bsd_vec) tb="$tb i386bsd.o aout32.o stab-syms.o" ;;
i386dynix_vec) tb="$tb i386dynix.o aout32.o stab-syms.o" ;;
i386coff_vec) tb="$tb coff-i386.o" ;;
i386coff_vec) tb="$tb coff-i386.o cofflink.o" ;;
i386linux_vec) tb="$tb i386linux.o aout32.o stab-syms.o" ;;
i386lynx_aout_vec) tb="$tb i386lynx.o lynx-core.o aout32.o stab-syms.o" ;;
i386lynx_coff_vec) tb="$tb cf-i386lynx.o lynx-core.o stab-syms.o" ;;
i386lynx_coff_vec) tb="$tb cf-i386lynx.o cofflink.o lynx-core.o stab-syms.o" ;;
i386mach3_vec) tb="$tb i386mach3.o aout32.o stab-syms.o" ;;
i386os9k_vec) tb="$tb i386os9k.o aout32.o stab-syms.o" ;;
icoff_big_vec) tb="$tb coff-i960.o" ;;
icoff_little_vec) tb="$tb coff-i960.o" ;;
ieee_vec) tb="$tb ieee.o" ;;
m68kcoff_vec) tb="$tb coff-m68k.o" ;;
m68kcoffun_vec) tb="$tb coff-u68k.o coff-m68k.o" ;;
m68kcoff_vec) tb="$tb coff-m68k.o cofflink.o" ;;
m68kcoffun_vec) tb="$tb coff-u68k.o coff-m68k.o cofflink.o" ;;
m68klynx_aout_vec) tb="$tb m68klynx.o lynx-core.o aout32.o stab-syms.o" ;;
m68klynx_coff_vec) tb="$tb cf-m68klynx.o coff-m68k.o lynx-core.o stab-syms.o" ;;
m68klynx_coff_vec) tb="$tb cf-m68klynx.o coff-m68k.o cofflink.o lynx-core.o stab-syms.o" ;;
m88kbcs_vec) tb="$tb coff-m88k.o" ;;
netbsd386_vec) tb="$tb netbsd386.o aout32.o stab-syms.o" ;;
netbsd532_vec) tb="$tb netbsd532.o aout-ns32k.o stab-syms.o" ;;