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-rw-r--r--include/linux/compiler.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 2df665fa2964..4d4e23b6e3e7 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -133,7 +133,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
#define annotate_unreachable() __annotate_unreachable(__COUNTER__)
/* Annotate a C jump table to allow objtool to follow the code flow */
-#define __annotate_jump_table __section(".rodata..c_jump_table")
+#define __annotate_jump_table __section(".rodata..c_jump_table,\"a\",@progbits #")
#else /* !CONFIG_OBJTOOL */
#define annotate_reachable()
@@ -242,6 +242,9 @@ static inline void *offset_to_ptr(const int *off)
/* &a[0] degrades to a pointer: a different type from an array */
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
+/* Require C Strings (i.e. NUL-terminated) lack the "nonstring" attribute. */
+#define __must_be_cstr(p) BUILD_BUG_ON_ZERO(__annotated(p, nonstring))
+
/*
* This returns a constant expression while determining if an argument is
* a constant expression, most importantly without evaluating the argument.