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* mmo.c (mmo_write_loc_chunk): Don't eliminate leading and

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trailing zero-sequences when there's previous left-over data.
This commit is contained in:
Hans-Peter Nilsson 2002-06-29 21:45:09 +00:00
parent 9f6067066d
commit 8d28f606dc
2 changed files with 21 additions and 9 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2002-06-29 Hans-Peter Nilsson <hp@bitrange.com>
* mmo.c (mmo_write_loc_chunk): Don't eliminate leading and
trailing zero-sequences when there's previous left-over data.
2002-06-27 John David Anglin <dave@hiauly1.hia.nrc.ca>
* elf64-hppa.c (elf64_hppa_reloc_type_class): New function.

25
bfd/mmo.c
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@ -913,16 +913,23 @@ mmo_write_loc_chunk (abfd, vma, loc, len, last_vmap)
/* Find an initial and trailing section of zero tetras; we don't need to
write out zeros. FIXME: When we do this, we should emit section size
and address specifiers, else objcopy can't always perform an identity
translation. */
while (len >= 4 && bfd_get_32 (abfd, loc) == 0)
{
vma += 4;
len -= 4;
loc += 4;
}
translation. Only do this if we *don't* have left-over data from a
previous write or the vma of this chunk is *not* the next address,
because then data isn't tetrabyte-aligned and we're concatenating to
that left-over data. */
while (len >= 4 && bfd_get_32 (abfd, loc + len - 4) == 0)
len -= 4;
if (abfd->tdata.mmo_data->byte_no == 0 || vma != *last_vmap)
{
while (len >= 4 && bfd_get_32 (abfd, loc) == 0)
{
vma += 4;
len -= 4;
loc += 4;
}
while (len >= 4 && bfd_get_32 (abfd, loc + len - 4) == 0)
len -= 4;
}
/* Only write out the location if it's different than the one the caller
(supposedly) previously handled, accounting for omitted leading zeros. */