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-rw-r--r--gcc/config/rs6000/vxworksae.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/rs6000/vxworksae.h b/gcc/config/rs6000/vxworksae.h
index e607973..97e1c70 100644
--- a/gcc/config/rs6000/vxworksae.h
+++ b/gcc/config/rs6000/vxworksae.h
@@ -21,3 +21,8 @@ along with GCC; see the file COPYING3. If not see
/* VxWorksAE for E500V2 expects a specific CPU value to designate 8548. */
#undef VXCPU_FOR_8548
#define VXCPU_FOR_8548 "PPCE500V2"
+
+/* This platform supports the probing method of stack checking and
+ requires 4K of space for executing a possible last chance handler. */
+#undef STACK_CHECK_PROTECT
+#define STACK_CHECK_PROTECT 4096