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* config/tc-mn10300.c (tc_gen_reloc): Don't reject differences

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between symbols if the base symbol is in the current section;
emit a PC-relative relocation instead.
This commit is contained in:
Alexandre Oliva
2001-05-13 23:16:30 +00:00
parent fb18ec4a20
commit 4e75439ae5
2 changed files with 45 additions and 0 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2001-05-13 Alexandre Oliva <aoliva@redhat.com>
* config/tc-mn10300.c (tc_gen_reloc): Don't reject differences
between symbols if the base symbol is in the current section;
emit a PC-relative relocation instead.
2001-05-12 Peter Targett <peter.targett@arccores.com> 2001-05-12 Peter Targett <peter.targett@arccores.com>
* config/tc-arc.c: Update copyright and tidy source comments. * config/tc-arc.c: Update copyright and tidy source comments.

39
gas/config/tc-mn10300.c
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@ -1798,6 +1798,45 @@ tc_gen_reloc (seg, fixp)
if (fixp->fx_addsy && fixp->fx_subsy) if (fixp->fx_addsy && fixp->fx_subsy)
{ {
/* If we got a difference between two symbols, and the
subtracted symbol is in the current section, use a
PC-relative relocation. If both symbols are in the same
section, the difference would have already been simplified
to a constant. */
if (S_GET_SEGMENT (fixp->fx_subsy) == seg)
{
reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->addend = (reloc->address - S_GET_VALUE (fixp->fx_subsy)
+ fixp->fx_offset);
switch (fixp->fx_r_type)
{
case BFD_RELOC_8:
reloc->howto = bfd_reloc_type_lookup (stdoutput,
BFD_RELOC_8_PCREL);
return reloc;
case BFD_RELOC_16:
reloc->howto = bfd_reloc_type_lookup (stdoutput,
BFD_RELOC_16_PCREL);
return reloc;
case BFD_RELOC_24:
reloc->howto = bfd_reloc_type_lookup (stdoutput,
BFD_RELOC_24_PCREL);
return reloc;
case BFD_RELOC_32:
reloc->howto = bfd_reloc_type_lookup (stdoutput,
BFD_RELOC_32_PCREL);
return reloc;
default:
/* Try to compute the absolute value below. */
break;
}
}
if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy)) if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy))
|| S_GET_SEGMENT (fixp->fx_addsy) == undefined_section) || S_GET_SEGMENT (fixp->fx_addsy) == undefined_section)