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Diffstat (limited to 'sysdeps/x86/dl-procinfo.h')
-rw-r--r--sysdeps/x86/dl-procinfo.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/x86/dl-procinfo.h b/sysdeps/x86/dl-procinfo.h
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+++ b/sysdeps/x86/dl-procinfo.h
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+/* x86 version of processor capability information handling macros.
+ Copyright (C) 2017-2018 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 <dl-hwcap.h>
+
+#define _DL_HWCAP_COUNT HWCAP_COUNT
+#define _DL_PLATFORMS_COUNT HWCAP_PLATFORMS_COUNT
+
+/* Start at 48 to reserve spaces for hardware capabilities. */
+#define _DL_FIRST_PLATFORM 48
+/* Mask to filter out platforms. */
+#define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
+ << _DL_FIRST_PLATFORM)
+
+static inline int
+__attribute__ ((unused, always_inline))
+_dl_string_platform (const char *str)
+{
+ int i;
+
+ if (str != NULL)
+ for (i = HWCAP_PLATFORMS_START; i < HWCAP_PLATFORMS_COUNT; ++i)
+ {
+ if (strcmp (str, GLRO(dl_x86_platforms)[i]) == 0)
+ return _DL_FIRST_PLATFORM + i;
+ }
+ return -1;
+};
+
+#endif /* dl-procinfo.h */