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76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* Processor capability information handling macros. PowerPC version.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_PROCINFO_H
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#define _DL_PROCINFO_H 1
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#include <ldsodefs.h>
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#include <sysdep.h> /* This defines the PPC_FEATURE_* macros. */
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/* There are 16 bits used, but they are bits 16..31. */
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#define _DL_HWCAP_FIRST 16
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#define _DL_HWCAP_COUNT 32
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/* These bits influence library search. */
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#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \
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| PPC_FEATURE_POWER4 \
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| PPC_FEATURE_POWER5 \
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| PPC_FEATURE_POWER5_PLUS \
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| PPC_FEATURE_CELL)
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/* We don't use AT_PLATFORM. */
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#define _DL_HWCAP_PLATFORM 0
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#define _dl_string_platform(str) (-1)
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static inline const char *
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__attribute__ ((unused))
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_dl_hwcap_string (int idx)
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{
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return GLRO(dl_powerpc_cap_flags)[idx - _DL_HWCAP_FIRST];
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};
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static inline int
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__attribute__ ((unused))
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_dl_string_hwcap (const char *str)
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{
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for (int i = _DL_HWCAP_FIRST; i < _DL_HWCAP_COUNT; ++i)
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if (strcmp (str, _dl_hwcap_string (i)) == 0)
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return i;
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return -1;
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};
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#ifdef IS_IN_rtld
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static inline int
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__attribute__ ((unused))
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_dl_procinfo (int word)
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{
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_dl_printf ("AT_HWCAP: ");
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for (int i = _DL_HWCAP_FIRST; i < _DL_HWCAP_COUNT; ++i)
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if (word & (1 << i))
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_dl_printf (" %s", _dl_hwcap_string (i));
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_dl_printf ("\n");
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return 0;
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}
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#endif
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#endif /* dl-procinfo.h */
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