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commit bbab82c25da9b504c0804119840de7aeab0eeeba
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Aug 4 12:35:50 2015 +0200
Properly terminate FDE in makecontext for ix86 (bug 18635)
Downstream never set test-xfail-tst-makecontext, so it is not removed by
this patch.
diff --git a/sysdeps/unix/sysv/linux/i386/makecontext.S b/sysdeps/unix/sysv/linux/i386/makecontext.S
index 106b865066d346b6..48643864b05568b0 100644
--- a/sysdeps/unix/sysv/linux/i386/makecontext.S
+++ b/sysdeps/unix/sysv/linux/i386/makecontext.S
@@ -83,6 +83,10 @@ ENTRY(__makecontext)
#else
movl $L(exitcode), (%edx)
#endif
+ /* We need to terminate the FDE here instead of after ret because
+ the unwinder looks at ra-1 for unwind information. */
+ cfi_endproc
+
/* 'makecontext' returns no value. */
ret
@@ -92,7 +96,6 @@ ENTRY(__makecontext)
the context 'makecontext' manipulated at the time of the
'makecontext' call. If the pointer is NULL the process must
terminate. */
- cfi_endproc
L(exitcode):
/* This removes the parameters passed to the function given to
'makecontext' from the stack. EBX contains the number of