diff options
Diffstat (limited to 'REORG.TODO/misc/getauxval.c')
-rw-r--r-- | REORG.TODO/misc/getauxval.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/REORG.TODO/misc/getauxval.c b/REORG.TODO/misc/getauxval.c new file mode 100644 index 0000000000..c83fbce054 --- /dev/null +++ b/REORG.TODO/misc/getauxval.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2012-2017 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/>. */ + +#include <sys/auxv.h> +#include <errno.h> +#include <ldsodefs.h> + + +unsigned long int +__getauxval (unsigned long int type) +{ +#ifdef HAVE_AUX_VECTOR + ElfW(auxv_t) *p; +#endif + + if (type == AT_HWCAP) + return GLRO(dl_hwcap); + else if (type == AT_HWCAP2) + return GLRO(dl_hwcap2); + +#ifdef HAVE_AUX_VECTOR + for (p = GLRO(dl_auxv); p->a_type != AT_NULL; p++) + if (p->a_type == type) + return p->a_un.a_val; +#endif + + __set_errno (ENOENT); + return 0; +} + +weak_alias (__getauxval, getauxval) |