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authorRichard Henderson <rth@twiddle.net>2012-05-20 10:34:00 -0700
committerRichard Henderson <rth@twiddle.net>2012-05-20 10:40:35 -0700
commitc7683a6d02f3ed59f5cd119b3e8547f45a15912f (patch)
tree029e73af4f78064dc5788972d5fc3a86fc70f1d6 /sysdeps/generic
parenta6f1845d45d0ea9303b3c71944c0a511e23bde26 (diff)
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Add <sys/auxv.h> and getauxval.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/bits/hwcap.h23
-rw-r--r--sysdeps/generic/ldsodefs.h3
2 files changed, 26 insertions, 0 deletions
diff --git a/sysdeps/generic/bits/hwcap.h b/sysdeps/generic/bits/hwcap.h
new file mode 100644
index 0000000000..b27d2febb0
--- /dev/null
+++ b/sysdeps/generic/bits/hwcap.h
@@ -0,0 +1,23 @@
+/* Defines for bits in AT_HWCAP.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_AUXV_H
+# error "Never include <bits/hwcap.h> directly; use <sys/auxv.h> instead."
+#endif
+
+/* No bits defined for this architecture.  */
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index e071015cee..98cc123078 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -597,6 +597,9 @@ struct rtld_global_ro
   /* Mask for important hardware capabilities we honour. */
   EXTERN uint64_t _dl_hwcap_mask;
 
+  /* Pointer to the auxv list supplied to the program at startup.  */
+  EXTERN ElfW(auxv_t) *_dl_auxv;
+
   /* Get architecture specific definitions.  */
 #define PROCINFO_DECL
 #ifndef PROCINFO_CLASS