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[Libunwind-devel] [PATCH 05/19] PPC: return failure from the unw_get_pro

From: Tommi Rantala
Subject: [Libunwind-devel] [PATCH 05/19] PPC: return failure from the unw_get_proc_info() stub
Date: Wed, 5 Sep 2012 14:50:13 +0300

Stop pretending that unw_get_proc_info() works on PPC, and instead give
an error back to the caller. As far as I can tell, none of the libunwind
tests clear out the `unw_proc_info_t' before passing it to
unw_get_proc_info(), so they would end up working on garbage data.
 src/ppc/Gget_proc_info.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ppc/Gget_proc_info.c b/src/ppc/Gget_proc_info.c
index 21be70c..ff08d1b 100644
--- a/src/ppc/Gget_proc_info.c
+++ b/src/ppc/Gget_proc_info.c
@@ -30,5 +30,5 @@ PROTECTED int
 unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
   /* XXX: empty stub.  */
-  return 0;
+  return -UNW_EINVAL;

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