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* ldlang.h (enum section_type): Add overlay_section.
	* ldlang.c (lang_add_section): Handle flags for overlay_section
	as per normal_section.
	(lang_size_sections_1): When setting lma, detect overlays by
	os->sectype rather than by looking for overlapping vmas.
	(lang_enter_overlay_section): Use overlay_section type.
	(lang_leave_overlay): Set first overlay section to normal.
ld/testsuite/
	* ld-spu/ovl.lnk: Use OVERLAY keyword.
This commit is contained in:
Alan Modra
2007-04-18 03:55:10 +00:00
parent 4904bbd9d1
commit 152d792f47
5 changed files with 29 additions and 14 deletions
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19
ld/ldlang.c
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@@ -2040,6 +2040,7 @@ lang_add_section (lang_statement_list_type *ptr,
switch (output->sectype)
{
case normal_section:
case overlay_section:
break;
case noalloc_section:
flags &= ~SEC_ALLOC;
@@ -4438,14 +4439,9 @@ lang_size_sections_1
}
else
{
/* If the current vma overlaps the previous section,
then set the current lma to that at the end of
the previous section. The previous section was
probably an overlay. */
if ((dot >= last->vma
&& dot < last->vma + last->size)
|| (last->vma >= dot
&& last->vma < dot + os->bfd_section->size))
/* If this is an overlay, set the current lma to that
at the end of the previous section. */
if (os->sectype == overlay_section)
lma = last->lma + last->size;
/* Otherwise, keep the same lma to vma relationship
@@ -6392,7 +6388,7 @@ lang_enter_overlay_section (const char *name)
struct overlay_list *n;
etree_type *size;
lang_enter_output_section_statement (name, overlay_vma, normal_section,
lang_enter_output_section_statement (name, overlay_vma, overlay_section,
0, overlay_subalign, 0, 0);
/* If this is the first section, then base the VMA of future
@@ -6506,7 +6502,10 @@ lang_leave_overlay (etree_type *lma_expr,
The base address is not needed (and should be null) if
an LMA region was specified. */
if (l->next == 0)
l->os->load_base = lma_expr;
{
l->os->load_base = lma_expr;
l->os->sectype = normal_section;
}
if (phdrs != NULL && l->os->phdrs == NULL)
l->os->phdrs = phdrs;