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[PATCH] bfd: Fix 64-bit relocation handling for a.out

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* aoutx.h (NAME (aout, swap_std_reloc_out)): Reject an unsupported
	relocation size.
This commit is contained in:
Gunther Nikl 2020-05-12 12:18:09 +01:00 committed by Nick Clifton
parent b4991d292e
commit 533f049e00
2 changed files with 21 additions and 4 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2020-05-12 Gunther Nikl <gnikl@justmail.de>
* aoutx.h (NAME (aout, swap_std_reloc_out)): Reject an unsupported
relocation size.
2020-05-11 Alan Modra <amodra@gmail.com>
* elf64-ppc.c (xlate_pcrel_opt): Handle lxvp and stxvp.

20
bfd/aoutx.h
View File

@ -1946,10 +1946,22 @@ NAME (aout, swap_std_reloc_out) (bfd *abfd,
BFD_ASSERT (g->howto != NULL);
if (bfd_get_reloc_size (g->howto) != 8)
r_length = g->howto->size; /* Size as a power of two. */
else
r_length = 3;
switch (bfd_get_reloc_size (g->howto))
{
default:
_bfd_error_handler (_("%pB: unsupported AOUT relocation size: %d"),
abfd, bfd_get_reloc_size (g->howto));
bfd_set_error (bfd_error_bad_value);
return;
case 1:
case 2:
case 4:
r_length = g->howto->size; /* Size as a power of two. */
break;
case 8:
r_length = 3;
break;
}
r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
/* XXX This relies on relocs coming from a.out files. */