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/* -*- mode: C; c-basic-offset: 3; -*- */
/*--------------------------------------------------------------------*/
/*--- Supplemental functions for libgcc normally provided by glibc ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2020 Mark Wielaard
mark@klomp.org
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
The GNU General Public License is contained in the file COPYING.
*/
#include "config.h"
#include "pub_core_basics.h"
#include "pub_core_clientstate.h"
/*====================================================================*/
/*=== arm64 libgcc support function for init_have_lse_atomics ===*/
/*====================================================================*/
#if defined(VGP_arm64_linux)
struct auxv
{
Word a_type;
union {
void *a_ptr;
Word a_val;
} u;
};
#define AT_NULL 0
unsigned long int __getauxval (unsigned long int type);
unsigned long int __getauxval (unsigned long int type)
{
struct auxv *p;
for (p = (struct auxv *) VG_(client_auxv);
p != NULL && p->a_type != AT_NULL;
p++)
if (p->a_type == type)
return p->u.a_val;
return 0;
}
#endif
#if defined(VGO_solaris)
/* At least on Solaris 11.3 ar does not like
empty .ar files */
int some_symbol_to_keep_ar_happy;
#endif
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