diff options
Diffstat (limited to 'bfd/cf-m68klynx.c')
| -rw-r--r-- | bfd/cf-m68klynx.c | 71 |
1 files changed, 61 insertions, 10 deletions
diff --git a/bfd/cf-m68klynx.c b/bfd/cf-m68klynx.c index c244b49..15c9915 100644 --- a/bfd/cf-m68klynx.c +++ b/bfd/cf-m68klynx.c @@ -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; +} |