[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/sysdeps/powerpc/powerpc32/stackguard-macros.h b/ap/libc/glibc/glibc-2.23/sysdeps/powerpc/powerpc32/stackguard-macros.h
new file mode 100644
index 0000000..b3d0af8
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/sysdeps/powerpc/powerpc32/stackguard-macros.h
@@ -0,0 +1,14 @@
+#include <stdint.h>
+
+#define STACK_CHK_GUARD \
+ ({ uintptr_t x; asm ("lwz %0,-28680(2)" : "=r" (x)); x; })
+
+#define POINTER_CHK_GUARD \
+ ({ \
+ uintptr_t x; \
+ asm ("lwz %0,%1(2)" \
+ : "=r" (x) \
+ : "i" (offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t)) \
+ ); \
+ x; \
+ })