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* ldlang.c (lang_size_sections_1): Correct backwards dot move

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test to not trigger on overlays.  Only warn on backwards move
	if non-default lma.
This commit is contained in:
Alan Modra
2007-03-08 04:38:45 +00:00
parent cb9f45d79f
commit 91eb6c46de
2 changed files with 17 additions and 9 deletions
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6
ld/ChangeLog
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@ -1,3 +1,9 @@
2007-03-08 Alan Modra <amodra@bigpond.net.au>
* ldlang.c (lang_size_sections_1): Correct backwards dot move
test to not trigger on overlays. Only warn on backwards move
if non-default lma.
2007-03-07 Joseph Myers <joseph@codesourcery.com> 2007-03-07 Joseph Myers <joseph@codesourcery.com>
* configure.in (REPORT_BUGS_TEXI): Define to Texinfo version of * configure.in (REPORT_BUGS_TEXI): Define to Texinfo version of

16
ld/ldlang.c
View File

@ -4411,19 +4411,21 @@ lang_size_sections_1
/* A backwards move of dot should be accompanied by /* A backwards move of dot should be accompanied by
an explicit assignment to the section LMA (ie. an explicit assignment to the section LMA (ie.
os->load_base set) because backwards moves normally os->load_base set) because backwards moves can
create overlapping LMAs. */ create overlapping LMAs. */
if (dot < last->vma if (dot < last->vma
&& os->bfd_section->size != 0) && os->bfd_section->size != 0
&& dot + os->bfd_section->size <= last->vma)
{ {
einfo (_("%P: warning: dot moved backwards before `%s'\n"),
os->name);
/* If dot moved backwards then leave lma equal to /* If dot moved backwards then leave lma equal to
vma. This is the old default lma, which might vma. This is the old default lma, which might
just happen to work when the backwards move is just happen to work when the backwards move is
sufficiently large. Nag anyway, so people fix sufficiently large. Nag if this changes anything,
their linker scripts. */ so people can fix their linker scripts. */
if (last->vma != last->lma)
einfo (_("%P: warning: dot moved backwards before `%s'\n"),
os->name);
} }
else else
{ {