2 files changed, 6 insertions, 2 deletions
diff --git a/sys/rt/boot.c b/sys/rt/boot.c
index 76f5599..320a596 100644
--- a/sys/rt/boot.c
+++ b/sys/rt/boot.c
@@ -4,6 +4,7 @@
 
 /* tell linker to go find */
 int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv);
+void rt·guardstack(void);
 
 #define NAUX 38
 static void
@@ -19,6 +20,7 @@ rt·init(char **env, char *program)
 
 	rt·context.sysinfo  = aux[AT_SYSINFO];
 	rt·context.pagesize = aux[AT_PAGESZ];
+    rt·guardstack();
 }
 
 int
diff --git a/sys/rt/stack.c b/sys/rt/stack.c
index 5ab7a8a..0785760 100644
--- a/sys/rt/stack.c
+++ b/sys/rt/stack.c
@@ -2,7 +2,8 @@
 #include <arch/atomic.h>
 
 /* unprefixed names determined by gcc */
-uintptr __stack_chk_guard;
+uintptr rt·stackguard;
+weakalias(rt·stackguard, __stack_chk_guard);
 
 void
 rt·guardstack(void)
@@ -11,7 +12,8 @@ rt·guardstack(void)
 }
 
 void
-__stack_chk_fail(void)
+rt·stackfail(void)
 {
 	atomic·crash();
 }
+weakalias(rt·stackfail, __stack_chk_fail);