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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 0000000..b27d2fe
--- /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 e071015..98cc123 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