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Re: [unwinder-portable] [patch 2/3] tests/ Handle missing CFI in .plt

On Wed, 06 Nov 2013 11:44:14 +0100, Mark Wielaard wrote:
> That looks fine. But please do add a comment in the regular
> (non-portable) testcase with a hint that older systems might be broken
> somewhere at the start. So people that run the tests on an older system
> and happen to see this this fail know their system is broken and there
> is a workaround on the portable branch.

Put there the attached comment.


diff --git a/tests/backtrace.c b/tests/backtrace.c
index 36995bc..1fac6d5 100644
--- a/tests/backtrace.c
+++ b/tests/backtrace.c
@@ -15,6 +15,10 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <>.  */
+/* Older systems (such as RHEL-5; fixed as binutils PR ld/12570 on 2011-06-20)
+   will fail this testcase as they do not provide CFI for the .plt section.
+   elfutils 'portable' patch/branch disables the .plt unwind test.  */
 #include <config.h>
 #include <assert.h>
 #include <inttypes.h>

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