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authorYury Usishchev <y.usishchev@samsung.com>2016-01-12 16:33:20 +0000
committerNick Clifton <nickc@redhat.com>2016-01-12 16:35:49 +0000
commitac06903dcff237777c8d507a03aafd79c84129ae (patch)
tree1a73cdf1c03c294fc122820ad060066466cb4de5 /bfd/elf32-arm.c
parentce5e165eae8925f64da52172f3e67ad8010a1aa0 (diff)
downloadbinutils-gdb-ac06903dcff237777c8d507a03aafd79c84129ae.tar.gz
Add cantunwind when unwind info does not match start of section.
bfd * elf32-arm.c (elf32_arm_fix_exidx_coverage): Insert cantunwind when address in first unwind entry does not match start of section. tests * ld-arm/arm-elf.exp: New test. * ld-arm/unwind-mix.d: New file. * ld-arm/unwind-mix1.s: New file. * ld-arm/unwind-mix2.s: New file.
Diffstat (limited to 'bfd/elf32-arm.c')
-rw-r--r--bfd/elf32-arm.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index c594e656c61..1c52526b611 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -11740,6 +11740,18 @@ elf32_arm_fix_exidx_coverage (asection **text_section_order,
/* An error? */
continue;
+ if (last_unwind_type > 0)
+ {
+ unsigned int first_word = bfd_get_32 (ibfd, contents);
+ /* Add cantunwind if first unwind item does not match section
+ start. */
+ if (first_word != sec->vma)
+ {
+ insert_cantunwind_after (last_text_sec, last_exidx_sec);
+ last_unwind_type = 0;
+ }
+ }
+
for (j = 0; j < hdr->sh_size; j += 8)
{
unsigned int second_word = bfd_get_32 (ibfd, contents + j + 4);