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Diffstat (limited to 'sysdeps/powerpc/dl-procinfo.h')
-rw-r--r-- | sysdeps/powerpc/dl-procinfo.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h new file mode 100644 index 0000000..8edc5e5 --- /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 */ |