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authorRoland McGrath <roland@gnu.org>2005-12-13 09:26:19 +0000
committerRoland McGrath <roland@gnu.org>2005-12-13 09:26:19 +0000
commit857a1627c75d75d0f7e3759ee94bbf2f6efa3c0c (patch)
tree7e99ad5f4fa3f8f8481b816077fa9e132ff23240 /sysdeps/powerpc/dl-procinfo.h
parentf0d1a3b5b7a6f9bb3d44ca3b1341b1159bf1b732 (diff)
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* sysdeps/powerpc/dl-procinfo.c: New file.
	* sysdeps/powerpc/dl-procinfo.h: New file.
Diffstat (limited to 'sysdeps/powerpc/dl-procinfo.h')
-rw-r--r--sysdeps/powerpc/dl-procinfo.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h
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--- /dev/null
+++ b/sysdeps/powerpc/dl-procinfo.h
@@ -0,0 +1,75 @@
+/* Processor capability information handling macros.  PowerPC version.
+   Copyright (C) 2005 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _DL_PROCINFO_H
+#define _DL_PROCINFO_H	1
+
+#include <ldsodefs.h>
+#include <sysdep.h>		/* This defines the PPC_FEATURE_* macros.  */
+
+/* There are 16 bits used, but they are bits 16..31.  */
+#define _DL_HWCAP_FIRST		16
+#define _DL_HWCAP_COUNT		32
+
+/* These bits influence library search.  */
+#define HWCAP_IMPORTANT		(PPC_FEATURE_HAS_ALTIVEC		      \
+				 | PPC_FEATURE_POWER4			      \
+				 | PPC_FEATURE_POWER5			      \
+				 | PPC_FEATURE_POWER5_PLUS		      \
+				 | PPC_FEATURE_CELL)
+
+/* We don't use AT_PLATFORM.  */
+#define _DL_HWCAP_PLATFORM 	0
+#define _dl_string_platform(str) (-1)
+
+static inline const char *
+__attribute__ ((unused))
+_dl_hwcap_string (int idx)
+{
+  return GLRO(dl_powerpc_cap_flags)[idx - _DL_HWCAP_FIRST];
+};
+
+static inline int
+__attribute__ ((unused))
+_dl_string_hwcap (const char *str)
+{
+  for (int i = _DL_HWCAP_FIRST; i < _DL_HWCAP_COUNT; ++i)
+    if (strcmp (str, _dl_hwcap_string (i)) == 0)
+      return i;
+  return -1;
+};
+
+#ifdef IS_IN_rtld
+static inline int
+__attribute__ ((unused))
+_dl_procinfo (int word)
+{
+  _dl_printf ("AT_HWCAP:       ");
+
+  for (int i = _DL_HWCAP_FIRST; i < _DL_HWCAP_COUNT; ++i)
+    if (word & (1 << i))
+      _dl_printf (" %s", _dl_hwcap_string (i));
+
+  _dl_printf ("\n");
+
+  return 0;
+}
+#endif
+
+#endif /* dl-procinfo.h */