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authorH.J. Lu <hongjiu.lu@intel.com>2020-10-02 11:08:19 +0100
committerNick Clifton <nickc@redhat.com>2020-10-02 11:08:19 +0100
commit7026832e52cff026f877616ac0033c7bb8d1df6f (patch)
treef51aba6d7c5928bdf994047762182a07ba7a6627 /bfd
parent048fde1ef43843aa67e9ac30829e0d30f019a7dd (diff)
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Allow note sections to be discarded when they are linked to another discarded secction.
PR 26681 bfd * elflink.c (bfd_elf_gc_sections): Do not arbitrarily keep note sections which are linked to another section. ld * testsuite/ld-elf/pr26681.s: New test. * testsuite/ld-elf/pr26681.d: New test driver. * testsuite/ld-elf/pr26681.l: New test output.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/elflink.c3
2 files changed, 8 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 317c0d3..623cb8a 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2020-10-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR 26681
+ * elflink.c (bfd_elf_gc_sections): Do not arbitrarily keep note
+ sections which are linked to another section.
+
2020-09-28 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com>
* cpu-arm.c: (processors) Add Cortex-X1.
diff --git a/bfd/elflink.c b/bfd/elflink.c
index b693729..e23d189 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -14102,7 +14102,8 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
|| (elf_section_data (o)->this_hdr.sh_type
== SHT_FINI_ARRAY)))
|| (elf_section_data (o)->this_hdr.sh_type == SHT_NOTE
- && elf_next_in_group (o) == NULL )))
+ && elf_next_in_group (o) == NULL
+ && elf_linked_to_section (o) == NULL)))
{
if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
return FALSE;