From 4aaab7c66cf7711863f1023f3670627c07394ef5 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Wed, 20 Oct 2021 06:54:34 -0700 Subject: [PATCH] autoupdate --- lib/cdefs.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/cdefs.h b/lib/cdefs.h index 4dac9d264d..f6ab95ab81 100644 --- a/lib/cdefs.h +++ b/lib/cdefs.h @@ -605,12 +605,22 @@ _Static_assert (0, "IEEE 128-bits long double requires redirection on this platf size-index is not provided: access (access-mode, [, ]) */ # define __attr_access(x) __attribute__ ((__access__ x)) +/* For _FORTIFY_SOURCE == 3 we use __builtin_dynamic_object_size, which may + use the access attribute to get object sizes from function definition + arguments, so we can't use them on functions we fortify. Drop the object + size hints for such functions. */ +# if __USE_FORTIFY_LEVEL == 3 +# define __fortified_attr_access(a, o, s) __attribute__ ((__access__ (a, o))) +# else +# define __fortified_attr_access(a, o, s) __attr_access ((a, o, s)) +# endif # if __GNUC_PREREQ (11, 0) # define __attr_access_none(argno) __attribute__ ((__access__ (__none__, argno))) # else # define __attr_access_none(argno) # endif #else +# define __fortified_attr_access(a, o, s) # define __attr_access(x) # define __attr_access_none(argno) #endif -- 2.39.5