2.5-18.1

1 files changed, 144 insertions, 0 deletions

diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h
new file mode 100644
index 0000000000..0bf935385a
--- /dev/null
+++ b/sysdeps/powerpc/dl-procinfo.h
@@ -0,0 +1,144 @@
+/* Processor capability information handling macros.  PowerPC version.
+   Copyright (C) 2005, 2006 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 20 bits used, but they are bits 12..31.  */
+#define _DL_HWCAP_FIRST		9
+#define _DL_HWCAP_COUNT		32
+
+/* These bits influence library search.  */
+#define HWCAP_IMPORTANT		(PPC_FEATURE_HAS_ALTIVEC \
+				+ PPC_FEATURE_HAS_DFP)
+
+#define _DL_PLATFORMS_COUNT	7
+
+#define _DL_FIRST_PLATFORM      32
+/* Mask to filter out platforms.  */
+#define _DL_HWCAP_PLATFORM      (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
+                                 << _DL_FIRST_PLATFORM)
+
+/* Platform bits (relative to _DL_FIRST_PLATFORM).  */
+#define PPC_PLATFORM_POWER4		0
+#define PPC_PLATFORM_PPC970		1
+#define PPC_PLATFORM_POWER5		2
+#define PPC_PLATFORM_POWER5_PLUS	3
+#define PPC_PLATFORM_POWER6		4
+#define PPC_PLATFORM_CELL_BE		5
+#define PPC_PLATFORM_POWER6X		6
+
+static inline const char *
+__attribute__ ((unused))
+_dl_hwcap_string (int idx)
+{
+  return GLRO(dl_powerpc_cap_flags)[idx - _DL_HWCAP_FIRST];
+}
+
+static inline const char *
+__attribute__ ((unused))
+_dl_platform_string (int idx)
+{
+  return GLRO(dl_powerpc_platforms)[idx - _DL_FIRST_PLATFORM];
+}
+
+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;
+}
+
+static inline int
+__attribute__ ((unused, always_inline))
+_dl_string_platform (const char *str)
+{
+  if (str == NULL)
+    return -1;
+
+  if (strncmp (str, GLRO(dl_powerpc_platforms)[PPC_PLATFORM_POWER4], 5) == 0)
+    {
+      int ret;
+      str += 5;
+      switch (*str)
+	{
+	case '4':
+	  ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER4;
+	  break;
+	case '5':
+	  ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER5;
+	  if (str[1] == '+')
+	    {
+	      ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER5_PLUS;
+	      ++str;
+	    }
+	  break;
+	case '6':
+	  ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER6;
+	  if (str[1] == 'x')
+	    {
+	      ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER6X;
+	      ++str;
+	    }
+	  break;
+	default:
+	  return -1;
+	}
+      if (str[1] == '\0')
+	return ret;
+    }
+  else if (strncmp (str, GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC970],
+		    3) == 0)
+    {
+      if (strcmp (str + 3, GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC970]
+			   + 3) == 0)
+	return _DL_FIRST_PLATFORM + PPC_PLATFORM_PPC970;
+      else if (strcmp (str + 3,
+		       GLRO(dl_powerpc_platforms)[PPC_PLATFORM_CELL_BE] + 3)
+	       == 0)
+	return _DL_FIRST_PLATFORM + PPC_PLATFORM_CELL_BE;
+    }
+
+  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 */