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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
commite64ac02c24b43659048622714afdc92fedf561fa (patch)
tree37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/powerpc/dl-procinfo.h
parenta20c2b3c87aebc7d4b090c622d36480263b80042 (diff)
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Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-merge
Diffstat (limited to 'ports/sysdeps/powerpc/dl-procinfo.h')
-rw-r--r--ports/sysdeps/powerpc/dl-procinfo.h167
1 files changed, 167 insertions, 0 deletions
diff --git a/ports/sysdeps/powerpc/dl-procinfo.h b/ports/sysdeps/powerpc/dl-procinfo.h
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--- /dev/null
+++ b/ports/sysdeps/powerpc/dl-procinfo.h
@@ -0,0 +1,167 @@
+/* Processor capability information handling macros.  PowerPC version.
+   Copyright (C) 2005, 2006, 2008 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 _DL_PROCINFO_H
+#define _DL_PROCINFO_H 1
+
+#include <ldsodefs.h>
+#include <sysdep.h>            /* This defines the PPC_FEATURE_* macros.  */
+
+/* There are 25 bits used, but they are bits 7..31.  */
+#define _DL_HWCAP_FIRST                7
+#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    12
+
+#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
+#define PPC_PLATFORM_POWER7          7
+#define PPC_PLATFORM_PPC405          8
+#define PPC_PLATFORM_PPC440          9
+#define PPC_PLATFORM_PPC464          10
+#define PPC_PLATFORM_PPC476          11
+
+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;
+       case '7':
+         ret = _DL_FIRST_PLATFORM + PPC_PLATFORM_POWER7;
+         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;
+      else if (strcmp (str + 3,
+                      GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC405] + 3)
+              == 0)
+       return _DL_FIRST_PLATFORM + PPC_PLATFORM_PPC405;
+      else if (strcmp (str + 3,
+                      GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC440] + 3)
+              == 0)
+       return _DL_FIRST_PLATFORM + PPC_PLATFORM_PPC440;
+      else if (strcmp (str + 3,
+                      GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC464] + 3)
+              == 0)
+       return _DL_FIRST_PLATFORM + PPC_PLATFORM_PPC464;
+      else if (strcmp (str + 3,
+                      GLRO(dl_powerpc_platforms)[PPC_PLATFORM_PPC476] + 3)
+              == 0)
+       return _DL_FIRST_PLATFORM + PPC_PLATFORM_PPC476;
+    }
+
+  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 */