/* Copyright (C) 2009, 2011 Free Software Foundation, Inc.
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/* Copyright (C) 2009, 2011 Free Software Foundation, Inc.
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Contributed by Richard Henderson <rth@redhat.com>.
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Contributed by Richard Henderson <rth@redhat.com>.
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This file is part of the GNU Transactional Memory Library (libitm).
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This file is part of the GNU Transactional Memory Library (libitm).
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Libitm is free software; you can redistribute it and/or modify it
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Libitm is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "libitm_i.h"
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#include "libitm_i.h"
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using namespace GTM;
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using namespace GTM;
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/* Mangling the names by hand requires that we know how size_t is handled.
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/* Mangling the names by hand requires that we know how size_t is handled.
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We've gotten the letter from autoconf, now substitute it into the names.
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We've gotten the letter from autoconf, now substitute it into the names.
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Everything below uses X as a placeholder for clarity. */
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Everything below uses X as a placeholder for clarity. */
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#define S1(x,y) x##y
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#define S1(x,y) x##y
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#define S(x,y) S1(x,y)
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#define S(x,y) S1(x,y)
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#define _ZnwX S(_Znw,MANGLE_SIZE_T)
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#define _ZnwX S(_Znw,MANGLE_SIZE_T)
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#define _ZnaX S(_Zna,MANGLE_SIZE_T)
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#define _ZnaX S(_Zna,MANGLE_SIZE_T)
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#define _ZnwXRKSt9nothrow_t S(S(_Znw,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZnwXRKSt9nothrow_t S(S(_Znw,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZnaXRKSt9nothrow_t S(S(_Zna,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZnaXRKSt9nothrow_t S(S(_Zna,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZGTtnwX S(_ZGTtnw,MANGLE_SIZE_T)
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#define _ZGTtnwX S(_ZGTtnw,MANGLE_SIZE_T)
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#define _ZGTtnaX S(_ZGTtna,MANGLE_SIZE_T)
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#define _ZGTtnaX S(_ZGTtna,MANGLE_SIZE_T)
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#define _ZGTtnwXRKSt9nothrow_t S(S(_ZGTtnw,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZGTtnwXRKSt9nothrow_t S(S(_ZGTtnw,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZGTtnaXRKSt9nothrow_t S(S(_ZGTtna,MANGLE_SIZE_T),RKSt9nothrow_t)
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#define _ZGTtnaXRKSt9nothrow_t S(S(_ZGTtna,MANGLE_SIZE_T),RKSt9nothrow_t)
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/* Everything from libstdc++ is weak, to avoid requiring that library
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/* Everything from libstdc++ is weak, to avoid requiring that library
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to be linked into plain C applications using libitm.so. */
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to be linked into plain C applications using libitm.so. */
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extern "C" {
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extern "C" {
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extern void *_ZnwX (size_t) __attribute__((weak));
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extern void *_ZnwX (size_t) __attribute__((weak));
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extern void _ZdlPv (void *) __attribute__((weak));
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extern void _ZdlPv (void *) __attribute__((weak));
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extern void *_ZnaX (size_t) __attribute__((weak));
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extern void *_ZnaX (size_t) __attribute__((weak));
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extern void _ZdaPv (void *) __attribute__((weak));
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extern void _ZdaPv (void *) __attribute__((weak));
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typedef const struct nothrow_t { } *c_nothrow_p;
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typedef const struct nothrow_t { } *c_nothrow_p;
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extern void *_ZnwXRKSt9nothrow_t (size_t, c_nothrow_p) __attribute__((weak));
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extern void *_ZnwXRKSt9nothrow_t (size_t, c_nothrow_p) __attribute__((weak));
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extern void _ZdlPvRKSt9nothrow_t (void *, c_nothrow_p) __attribute__((weak));
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extern void _ZdlPvRKSt9nothrow_t (void *, c_nothrow_p) __attribute__((weak));
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extern void *_ZnaXRKSt9nothrow_t (size_t, c_nothrow_p) __attribute__((weak));
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extern void *_ZnaXRKSt9nothrow_t (size_t, c_nothrow_p) __attribute__((weak));
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extern void _ZdaPvRKSt9nothrow_t (void *, c_nothrow_p) __attribute__((weak));
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extern void _ZdaPvRKSt9nothrow_t (void *, c_nothrow_p) __attribute__((weak));
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#if !defined (HAVE_ELF_STYLE_WEAKREF) && !defined (__MACH__)
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#if !defined (HAVE_ELF_STYLE_WEAKREF) && !defined (__MACH__)
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void *_ZnwX (size_t) { return NULL; }
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void *_ZnwX (size_t) { return NULL; }
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void _ZdlPv (void *) { return; }
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void _ZdlPv (void *) { return; }
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void *_ZnaX (size_t) { return NULL; }
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void *_ZnaX (size_t) { return NULL; }
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void _ZdaPv (void *) { return; }
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void _ZdaPv (void *) { return; }
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void *_ZnwXRKSt9nothrow_t (size_t, c_nothrow_p) { return NULL; }
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void *_ZnwXRKSt9nothrow_t (size_t, c_nothrow_p) { return NULL; }
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void _ZdlPvRKSt9nothrow_t (void *, c_nothrow_p) { return; }
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void _ZdlPvRKSt9nothrow_t (void *, c_nothrow_p) { return; }
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void *_ZnaXRKSt9nothrow_t (size_t, c_nothrow_p) { return NULL; }
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void *_ZnaXRKSt9nothrow_t (size_t, c_nothrow_p) { return NULL; }
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void _ZdaPvRKSt9nothrow_t (void *, c_nothrow_p) { return; }
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void _ZdaPvRKSt9nothrow_t (void *, c_nothrow_p) { return; }
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#endif /* HAVE_ELF_STYLE_WEAKREF */
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#endif /* HAVE_ELF_STYLE_WEAKREF */
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/* Wrap the delete nothrow symbols for usage with a single argument.
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/* Wrap the delete nothrow symbols for usage with a single argument.
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Perhaps should have a configure type check for this, because the
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Perhaps should have a configure type check for this, because the
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std::nothrow_t reference argument is unused (empty class), and most
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std::nothrow_t reference argument is unused (empty class), and most
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targets don't actually need that second argument. So we _could_
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targets don't actually need that second argument. So we _could_
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invoke these functions as if they were a single argument free. */
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invoke these functions as if they were a single argument free. */
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static void
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static void
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del_opnt (void *ptr)
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del_opnt (void *ptr)
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{
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{
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_ZdlPvRKSt9nothrow_t (ptr, NULL);
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_ZdlPvRKSt9nothrow_t (ptr, NULL);
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}
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}
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static void
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static void
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del_opvnt (void *ptr)
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del_opvnt (void *ptr)
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{
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{
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_ZdaPvRKSt9nothrow_t (ptr, NULL);
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_ZdaPvRKSt9nothrow_t (ptr, NULL);
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}
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}
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/* Wrap: operator new (std::size_t sz) */
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/* Wrap: operator new (std::size_t sz) */
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void *
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void *
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_ZGTtnwX (size_t sz)
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_ZGTtnwX (size_t sz)
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{
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{
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void *r = _ZnwX (sz);
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void *r = _ZnwX (sz);
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if (r)
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if (r)
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gtm_thr()->record_allocation (r, _ZdlPv);
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gtm_thr()->record_allocation (r, _ZdlPv);
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return r;
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return r;
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}
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}
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/* Wrap: operator new (std::size_t sz, const std::nothrow_t&) */
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/* Wrap: operator new (std::size_t sz, const std::nothrow_t&) */
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void *
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void *
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_ZGTtnwXRKSt9nothrow_t (size_t sz, c_nothrow_p nt)
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_ZGTtnwXRKSt9nothrow_t (size_t sz, c_nothrow_p nt)
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{
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{
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void *r = _ZnwXRKSt9nothrow_t (sz, nt);
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void *r = _ZnwXRKSt9nothrow_t (sz, nt);
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if (r)
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if (r)
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gtm_thr()->record_allocation (r, del_opnt);
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gtm_thr()->record_allocation (r, del_opnt);
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return r;
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return r;
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}
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}
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/* Wrap: operator new[] (std::size_t sz) */
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/* Wrap: operator new[] (std::size_t sz) */
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void *
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void *
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_ZGTtnaX (size_t sz)
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_ZGTtnaX (size_t sz)
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{
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{
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void *r = _ZnaX (sz);
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void *r = _ZnaX (sz);
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if (r)
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if (r)
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gtm_thr()->record_allocation (r, _ZdaPv);
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gtm_thr()->record_allocation (r, _ZdaPv);
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return r;
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return r;
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}
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}
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/* Wrap: operator new[] (std::size_t sz, const std::nothrow_t& nothrow) */
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/* Wrap: operator new[] (std::size_t sz, const std::nothrow_t& nothrow) */
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void *
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void *
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_ZGTtnaXRKSt9nothrow_t (size_t sz, c_nothrow_p nt)
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_ZGTtnaXRKSt9nothrow_t (size_t sz, c_nothrow_p nt)
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{
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{
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void *r = _ZnaXRKSt9nothrow_t (sz, nt);
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void *r = _ZnaXRKSt9nothrow_t (sz, nt);
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if (r)
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if (r)
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gtm_thr()->record_allocation (r, del_opvnt);
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gtm_thr()->record_allocation (r, del_opvnt);
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return r;
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return r;
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}
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}
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/* Wrap: operator delete(void* ptr) */
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/* Wrap: operator delete(void* ptr) */
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void
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void
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_ZGTtdlPv (void *ptr)
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_ZGTtdlPv (void *ptr)
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{
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{
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if (ptr)
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if (ptr)
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gtm_thr()->forget_allocation (ptr, _ZdlPv);
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gtm_thr()->forget_allocation (ptr, _ZdlPv);
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}
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}
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/* Wrap: operator delete (void *ptr, const std::nothrow_t&) */
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/* Wrap: operator delete (void *ptr, const std::nothrow_t&) */
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void
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void
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_ZGTtdlPvRKSt9nothrow_t (void *ptr, c_nothrow_p nt UNUSED)
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_ZGTtdlPvRKSt9nothrow_t (void *ptr, c_nothrow_p nt UNUSED)
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{
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{
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if (ptr)
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if (ptr)
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gtm_thr()->forget_allocation (ptr, del_opnt);
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gtm_thr()->forget_allocation (ptr, del_opnt);
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}
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}
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/* Wrap: operator delete[] (void *ptr) */
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/* Wrap: operator delete[] (void *ptr) */
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void
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void
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_ZGTtdaPv (void *ptr)
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_ZGTtdaPv (void *ptr)
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{
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{
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if (ptr)
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if (ptr)
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gtm_thr()->forget_allocation (ptr, _ZdaPv);
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gtm_thr()->forget_allocation (ptr, _ZdaPv);
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}
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}
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/* Wrap: operator delete[] (void *ptr, const std::nothrow_t&) */
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/* Wrap: operator delete[] (void *ptr, const std::nothrow_t&) */
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void
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void
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_ZGTtdaPvRKSt9nothrow_t (void *ptr, c_nothrow_p nt UNUSED)
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_ZGTtdaPvRKSt9nothrow_t (void *ptr, c_nothrow_p nt UNUSED)
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{
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{
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if (ptr)
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if (ptr)
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gtm_thr()->forget_allocation (ptr, del_opvnt);
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gtm_thr()->forget_allocation (ptr, del_opvnt);
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}
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}
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} // extern "C"
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} // extern "C"
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