68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/* Copyright (C) 2012-2022 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, see
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<https://www.gnu.org/licenses/>. */
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#include <sys/auxv.h>
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#include <errno.h>
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#include <ldsodefs.h>
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#include <stdbool.h>
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bool
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__getauxval2 (unsigned long int type, unsigned long int *result)
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{
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#ifdef HAVE_AUX_VECTOR
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ElfW(auxv_t) *p;
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#endif
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if (type == AT_HWCAP)
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{
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*result = GLRO(dl_hwcap);
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return true;
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}
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else if (type == AT_HWCAP2)
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{
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*result = GLRO(dl_hwcap2);
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return true;
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}
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#ifdef HAVE_AUX_VECTOR
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for (p = GLRO(dl_auxv); p->a_type != AT_NULL; p++)
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if (p->a_type == type)
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{
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*result = p->a_un.a_val;
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return true;
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}
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#endif
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return false;
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}
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libc_hidden_def (__getauxval2)
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unsigned long int
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__getauxval (unsigned long int type)
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{
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unsigned long int result;
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if (__getauxval2 (type, &result))
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return result;
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__set_errno (ENOENT);
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return 0;
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}
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weak_alias (__getauxval, getauxval)
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libc_hidden_def (__getauxval)
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