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authorMarek Polacek <polacek@redhat.com>2012-04-29 15:34:20 +0200
committerMarek Polacek <polacek@redhat.com>2012-04-29 15:34:20 +0200
commit5ac3ea17df811a71fa64aff78ea1b900facd3364 (patch)
tree47a842e0be1ca4d8c98ecc86d18330d61047560a /misc/sys
parentecf0ebfb04f6e31e3ba709521b6955d5f86ff724 (diff)
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Fix attributes for fortify functions.
Diffstat (limited to 'misc/sys')
-rw-r--r--misc/sys/cdefs.h23
-rw-r--r--misc/sys/syslog.h2
2 files changed, 12 insertions, 13 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 724f26e399..f4e96dbe6a 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -140,6 +140,7 @@
 /* Fortify support.  */
 #define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1)
 #define __bos0(ptr) __builtin_object_size (ptr, 0)
+#define __fortify_function __extern_always_inline __attribute_artificial__
 
 #if __GNUC_PREREQ (4,3)
 # define __warndecl(name, msg) \
@@ -309,26 +310,24 @@
 # define __always_inline __inline
 #endif
 
+/* Associate error messages with the source location of the call site rather
+   than with the source location inside the function.  */
+#if __GNUC_PREREQ (4,3)
+# define __attribute_artificial__ __attribute__ ((__artificial__))
+#else
+# define __attribute_artificial__ /* Ignore */
+#endif
+
 /* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99
    inline semantics, unless -fgnu89-inline is used.  */
 #if !defined __cplusplus || __GNUC_PREREQ (4,3)
 # if defined __GNUC_STDC_INLINE__ || defined __cplusplus
 #  define __extern_inline extern __inline __attribute__ ((__gnu_inline__))
-#  if __GNUC_PREREQ (4,3)
-#   define __extern_always_inline \
-  extern __always_inline __attribute__ ((__gnu_inline__, __artificial__))
-#  else
-#   define __extern_always_inline \
+#  define __extern_always_inline \
   extern __always_inline __attribute__ ((__gnu_inline__))
-#  endif
 # else
 #  define __extern_inline extern __inline
-#  if __GNUC_PREREQ (4,3)
-#   define __extern_always_inline \
-  extern __always_inline __attribute__ ((__artificial__))
-#  else
-#   define __extern_always_inline extern __always_inline
-#  endif
+#  define __extern_always_inline extern __always_inline
 # endif
 #endif
 
diff --git a/misc/sys/syslog.h b/misc/sys/syslog.h
index aed419e446..77123ab503 100644
--- a/misc/sys/syslog.h
+++ b/misc/sys/syslog.h
@@ -203,7 +203,7 @@ extern void vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap)
 
 
 /* Define some macros helping to catch buffer overflows.  */
-#if __USE_FORTIFY_LEVEL > 0 && defined __extern_always_inline
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
 # include <bits/syslog.h>
 #endif
 #ifdef __LDBL_COMPAT