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2007-10-17 Zack Weinberg <zack@codesourcery.com>

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* ldlang.c (lang_check_section_addresses): Also report size of
	overflow for any overflowed memory regions.
	(os_region_check): Diagnose an overflowed region only once per
	region.  Do not reset region->current on overflow.

2007-10-17  Zack Weinberg  <zack@codesourcery.com>
	    Daniel Jacobowitz  <dan@codesourcery.com>
	    Mark Shinwell  <shinwell@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* ld-scripts/rgn-over.exp: New driver.
	* ld-scripts/rgn-over.s: New file.
	* ld-scripts/rgn-over1.d, ld-scripts/rgn-over1.t,
	ld-scripts/rgn-over2.d, ld-scripts/rgn-over2.t,
	ld-scripts/rgn-over3.d, ld-scripts/rgn-over3.t,
	ld-scripts/rgn-over4.d, ld-scripts/rgn-over4.t,
	ld-scripts/rgn-over5.d, ld-scripts/rgn-over5.t,
	ld-scripts/rgn-over6.d, ld-scripts/rgn-over6.t,
	ld-scripts/rgn-over7.d, ld-scripts/rgn-over7.t:
	New test cases.
This commit is contained in:
Daniel Jacobowitz
2007-10-17 19:26:10 +00:00
parent 499ac35361
commit 20e5635130
19 changed files with 442 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
ld/ldlang.c
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@ -4120,7 +4120,8 @@ sort_sections_by_lma (const void *arg1, const void *arg2)
/* Check to see if any allocated sections overlap with other allocated
sections. This can happen if a linker script specifies the output
section addresses of the two sections. */
section addresses of the two sections. Also check whether any memory
region has overflowed. */
static void
lang_check_section_addresses (void)
@ -4133,6 +4134,7 @@ lang_check_section_addresses (void)
bfd_vma os_start;
bfd_vma os_end;
bfd_size_type amt;
lang_memory_region_type *m;
if (bfd_count_sections (output_bfd) <= 1)
return;
@ -4181,6 +4183,20 @@ lang_check_section_addresses (void)
}
free (sections);
/* If any memory region has overflowed, report by how much.
We do not issue this diagnostic for regions that had sections
explicitly placed outside their bounds; os_region_check's
diagnostics are adequate for that case.
FIXME: It is conceivable that m->current - (m->origin + m->length)
might overflow a 32-bit integer. There is, alas, no way to print
a bfd_vma quantity in decimal. */
for (m = lang_memory_region_list; m; m = m->next)
if (m->had_full_message)
einfo (_("%X%P: region %s overflowed by %ld bytes\n"),
m->name, (long)(m->current - (m->origin + m->length)));
}
/* Make sure the new address is within the region. We explicitly permit the
@ -4208,15 +4224,15 @@ os_region_check (lang_output_section_statement_type *os,
os->bfd_section->name,
region->name);
}
else
else if (!region->had_full_message)
{
einfo (_("%X%P: region %s is full (%B section %s)\n"),
region->name,
region->had_full_message = TRUE;
einfo (_("%X%P: %B section %s will not fit in region %s\n"),
os->bfd_section->owner,
os->bfd_section->name);
os->bfd_section->name,
region->name);
}
/* Reset the region pointer. */
region->current = region->origin;
}
}