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pdp11 reloc processing 

This allows pdp11 to handle 32-bit fixups that can be applied by gas,
and improves the error message emitted when the required reloc isn't
available.

	* config/tc-pdp11.c (md_apply_fix): Handle BFD_RELOC_32.
	(tc_gen_reloc): Only give a BAD_CASE assertion on pcrel relocs.
This commit is contained in:
Alan Modra 2020-02-20 23:35:21 +10:30
parent dda2980f54
commit 10a95fcc1f
2 changed files with 22 additions and 13 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2020-02-21 Alan Modra <amodra@gmail.com>
* config/tc-pdp11.c (md_apply_fix): Handle BFD_RELOC_32.
(tc_gen_reloc): Only give a BAD_CASE assertion on pcrel relocs.
2020-02-21 Alan Modra <amodra@gmail.com>
PR 25569

30
gas/config/tc-pdp11.c
View File

@ -257,6 +257,10 @@ md_apply_fix (fixS *fixP,
mask = 0xffff;
shift = 0;
break;
case BFD_RELOC_32:
mask = 0xffffffff;
shift = 0;
break;
case BFD_RELOC_PDP11_DISP_8_PCREL:
mask = 0x00ff;
shift = 1;
@ -1419,22 +1423,22 @@ tc_gen_reloc (asection *section ATTRIBUTE_UNUSED,
/* This is taken account for in md_apply_fix(). */
reloc->addend = -symbol_get_bfdsym (fixp->fx_addsy)->section->vma;
switch (fixp->fx_r_type)
code = fixp->fx_r_type;
if (fixp->fx_pcrel)
{
case BFD_RELOC_16:
if (fixp->fx_pcrel)
code = BFD_RELOC_16_PCREL;
else
code = BFD_RELOC_16;
break;
switch (code)
{
case BFD_RELOC_16:
code = BFD_RELOC_16_PCREL;
break;
case BFD_RELOC_16_PCREL:
code = BFD_RELOC_16_PCREL;
break;
case BFD_RELOC_16_PCREL:
break;
default:
BAD_CASE (fixp->fx_r_type);
return NULL;
default:
BAD_CASE (code);
return NULL;
}
}
reloc->howto = bfd_reloc_type_lookup (stdoutput, code);