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* Add support for marker type relocations. These mark areas

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of interest to the linker.  ENTRY/EXIT relocations for SOM are
	an example of marker relocations.
	* write.c (write_relocs): Instead of assuming size of a relocation
	is 4 bytes, pick up the size from relocation itself.
	(fixup_segment): Do not complain that a value is too small for
	marker relocations.
This commit is contained in:
Jeff Law 1993-11-02 06:31:36 +00:00
parent 009dc5e1e5
commit c43d56f78c
2 changed files with 11 additions and 4 deletions
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8
gas/ChangeLog
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@ -1,5 +1,13 @@
Mon Nov 1 21:37:04 1993 Jeffrey A. Law (law@snake.cs.utah.edu) Mon Nov 1 21:37:04 1993 Jeffrey A. Law (law@snake.cs.utah.edu)
* Add support for marker type relocations. These mark areas
of interest to the linker. ENTRY/EXIT relocations for SOM are
an example of marker relocations.
* write.c (write_relocs): Instead of assuming size of a relocation
is 4 bytes, pick up the size from relocation itself.
(fixup_segment): Do not complain that a value is too small for
marker relocations.
* struc-symbol.h: Add new "sy_used" field to the symbol structure. * struc-symbol.h: Add new "sy_used" field to the symbol structure.
* expr.c (operand): Set sy_used for any symbol used as an operand. * expr.c (operand): Set sy_used for any symbol used as an operand.
(expr): Likewise for any symbol used in an expression. (expr): Likewise for any symbol used in an expression.

7
gas/write.c
View file

@ -632,8 +632,7 @@ write_relocs (abfd, sec, xxx)
continue; continue;
} }
data = fixp->fx_frag->fr_literal + fixp->fx_where; data = fixp->fx_frag->fr_literal + fixp->fx_where;
/* @@ Assumes max size of reloc is 4. */ if (fixp->fx_where + fixp->fx_size
if (fixp->fx_where + 4
> fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset) > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
abort (); abort ();
/* Pass bogus address so that when bfd_perform_relocation adds /* Pass bogus address so that when bfd_perform_relocation adds
@ -686,7 +685,7 @@ write_relocs (abfd, sec, xxx)
assert(i <= n); assert(i <= n);
} }
data = fixp->fx_frag->fr_literal + fixp->fx_where; data = fixp->fx_frag->fr_literal + fixp->fx_where;
if (fixp->fx_where + 4 if (fixp->fx_where + fixp->fx_size
> fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset) > fixp->fx_frag->fr_fix + fixp->fx_frag->fr_offset)
abort (); abort ();
for (j = 0; reloc[j]; j++) for (j = 0; reloc[j]; j++)
@ -2011,7 +2010,7 @@ fixup_segment (fixP, this_segment_type)
} /* if there's an add_symbol */ } /* if there's an add_symbol */
} /* if pcrel */ } /* if pcrel */
if (!fixP->fx_bit_fixP) if (!fixP->fx_bit_fixP && size > 0)
{ {
valueT mask = 0; valueT mask = 0;
/* set all bits to one */ /* set all bits to one */