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Diffstat (limited to 'sysdeps/unix/sysv/linux/ldsodefs.h')
-rw-r--r--sysdeps/unix/sysv/linux/ldsodefs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ldsodefs.h b/sysdeps/unix/sysv/linux/ldsodefs.h
index 1bfe6c38af..b495e555c0 100644
--- a/sysdeps/unix/sysv/linux/ldsodefs.h
+++ b/sysdeps/unix/sysv/linux/ldsodefs.h
@@ -19,6 +19,8 @@
#ifndef _LDSODEFS_H
+#include "kernel-features.h"
+
/* Get the real definitions. */
#include_next <ldsodefs.h>
@@ -30,4 +32,14 @@
/* Used by static binaries to check the auxiliary vector. */
extern void _dl_aux_init (ElfW(auxv_t) *av) internal_function;
+/* We can assume that the kernel always provides the AT_UID, AT_EUID,
+ AT_GID, and AT_EGID values in the auxiliary vector. */
+#define HAVE_AUX_XID
+
+/* Starting with one of the 2.4.0 pre-releases the Linux kernel passes
+ up the page size information. */
+#if __ASSUME_AT_PAGESIZE
+# define HAVE_AUX_PAGESIZE
+#endif
+
#endif /* ldsodefs.h */