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-rw-r--r--include/linux/compiler-gcc.h5
-rw-r--r--include/linux/compiler.h8
-rw-r--r--include/linux/vermagic.h9
3 files changed, 21 insertions, 1 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 386caf6771ed..7deaae3dc87d 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -223,6 +223,11 @@
/* Mark a function definition as prohibited from being cloned. */
#define __noclone __attribute__((__noclone__, __optimize__("no-tracer")))
+#ifdef RANDSTRUCT_PLUGIN
+#define __randomize_layout __attribute__((randomize_layout))
+#define __no_randomize_layout __attribute__((no_randomize_layout))
+#endif
+
#endif /* GCC_VERSION >= 40500 */
#if GCC_VERSION >= 40600
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 80a1dea36cbe..55ee9ee814f8 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -448,6 +448,14 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
# define __latent_entropy
#endif
+#ifndef __randomize_layout
+# define __randomize_layout __designated_init
+#endif
+
+#ifndef __no_randomize_layout
+# define __no_randomize_layout
+#endif
+
/*
* Tell gcc if a function is cold. The compiler will assume any path
* directly leading to the call is unlikely.
diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index 6f8fbcf10dfb..af6c03f7f986 100644
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -24,10 +24,17 @@
#ifndef MODULE_ARCH_VERMAGIC
#define MODULE_ARCH_VERMAGIC ""
#endif
+#ifdef RANDSTRUCT_PLUGIN
+#include <generated/randomize_layout_hash.h>
+#define MODULE_RANDSTRUCT_PLUGIN "RANDSTRUCT_PLUGIN_" RANDSTRUCT_HASHED_SEED
+#else
+#define MODULE_RANDSTRUCT_PLUGIN
+#endif
#define VERMAGIC_STRING \
UTS_RELEASE " " \
MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \
MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \
- MODULE_ARCH_VERMAGIC
+ MODULE_ARCH_VERMAGIC \
+ MODULE_RANDSTRUCT_PLUGIN