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/* Copyright (C) 2009-2020 Free Software Foundation, Inc.
Contributed by Richard Henderson <rth@redhat.com>.
This file is part of the GNU Transactional Memory Library (libitm).
Libitm 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 3 of the License, or
(at your option) any later version.
Libitm 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libitm_i.h"
using namespace GTM;
extern "C" {
/* Wrap: malloc (size_t sz) */
void *
_ITM_malloc (size_t sz)
{
void *r = malloc (sz);
if (r)
gtm_thr()->record_allocation (r, free);
return r;
}
/* Wrap: calloc (size_t nm, size_t sz) */
void *
_ITM_calloc (size_t nm, size_t sz)
{
void *r = calloc (nm, sz);
if (r)
gtm_thr()->record_allocation (r, free);
return r;
}
/* Wrap: free (void *ptr) */
void
_ITM_free (void *ptr)
{
if (ptr)
gtm_thr()->forget_allocation (ptr, free);
}
/* Forget any internal references to PTR. */
__attribute__((transaction_pure))
void ITM_REGPARM
_ITM_dropReferences (void *ptr, size_t len)
{
// The semantics of _ITM_dropReferences are not sufficiently defined in the
// ABI specification, so it does not make sense to support it right now. See
// the libitm documentation for details.
GTM_fatal("_ITM_dropReferences is not supported");
}
} // extern "C"
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