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2002-02-26 Chris Demetriou <cgd@broadcom.com> 

* config/tc-mips.c (mips_need_elf_addend_fixup): For embedded-PIC
        only, undo the changes made on 2001-06-08, with the
        effect being that common or extern symbols are
        adjusted for embedded-PIC, but weak symbols are not.
        (md_estimate_size_before_relax: Likewise, with the effect
        that extern symbols are treated the same as weak symbols
        only if not embedded-PIC.
        (mips_fix_adjustable) Likewise, with the effect that
        weak or extern symbols are not adjusted for embedded-PIC.
        (md_apply_fix3): Tweak so that the case where value is zero
        is handled more correctly for embedded-PIC code.
This commit is contained in:
Chris Demetriou 2002-02-26 22:18:51 +00:00
parent d65d31a6a1
commit b25a253ca8
2 changed files with 27 additions and 4 deletions
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14
gas/ChangeLog
View File

@ -1,3 +1,17 @@
2002-02-26 Chris Demetriou <cgd@broadcom.com>
* config/tc-mips.c (mips_need_elf_addend_fixup): For embedded-PIC
only, undo the changes made on 2001-06-08, with the
effect being that common or extern symbols are
adjusted for embedded-PIC, but weak symbols are not.
(md_estimate_size_before_relax: Likewise, with the effect
that extern symbols are treated the same as weak symbols
only if not embedded-PIC.
(mips_fix_adjustable) Likewise, with the effect that
weak or extern symbols are not adjusted for embedded-PIC.
(md_apply_fix3): Tweak so that the case where value is zero
is handled more correctly for embedded-PIC code.
2002-02-26 Nick Clifton <nickc@cambridge.redhat.com>
* doc/as.texinfo (Overview): Add missing @ifset IA64

17
gas/config/tc-mips.c
View File

@ -10419,8 +10419,12 @@ mips_need_elf_addend_fixup (fixP)
{
if (S_GET_OTHER (fixP->fx_addsy) == STO_MIPS16)
return 1;
if ((S_IS_WEAK (fixP->fx_addsy)
|| S_IS_EXTERN (fixP->fx_addsy))
if (mips_pic == EMBEDDED_PIC
&& S_IS_WEAK (fixP->fx_addsy))
return 1;
if (mips_pic != EMBEDDED_PIC
&& (S_IS_WEAK (fixP->fx_addsy)
|| S_IS_EXTERN (fixP->fx_addsy))
&& !S_IS_COMMON (fixP->fx_addsy))
return 1;
if (symbol_used_in_reloc_p (fixP->fx_addsy)
@ -10714,7 +10718,10 @@ md_apply_fix3 (fixP, valP, seg)
/* If 'value' is zero, the remaining reloc code won't actually
do the store, so it must be done here. This is probably
a bug somewhere. */
if (!fixP->fx_done)
if (!fixP->fx_done
&& (fixP->fx_r_type != BFD_RELOC_16_PCREL_S2
|| fixP->fx_addsy == NULL /* ??? */
|| ! S_IS_DEFINED (fixP->fx_addsy)))
value -= fixP->fx_frag->fr_address + fixP->fx_where;
value = (offsetT) value >> 2;
@ -12208,7 +12215,8 @@ md_estimate_size_before_relax (fragp, segtype)
#ifdef OBJ_ELF
/* A global or weak symbol is treated as external. */
&& (OUTPUT_FLAVOR != bfd_target_elf_flavour
|| (! S_IS_EXTERN (sym) && ! S_IS_WEAK (sym)))
|| (! S_IS_WEAK (sym)
&& (! S_IS_EXTERN (sym) || mips_pic == EMBEDDED_PIC)))
#endif
);
}
@ -12249,6 +12257,7 @@ mips_fix_adjustable (fixp)
#ifdef OBJ_ELF
/* Prevent all adjustments to global symbols. */
if (OUTPUT_FLAVOR == bfd_target_elf_flavour
&& mips_pic != EMBEDDED_PIC
&& (S_IS_EXTERN (fixp->fx_addsy) || S_IS_WEAK (fixp->fx_addsy)))
return 0;
#endif