/* Copyright (C) 2009-2026 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; /* Mangling the names by hand requires that we know how size_t is handled.   We've gotten the letter from autoconf, now substitute it into the names.   Everything below uses X as a placeholder for clarity.  */ #define S1(x,y)			x##y#define S(x,y)			S1(x,y) #define _ZnwX			S(_Znw,MANGLE_SIZE_T)#define _ZnaX			S(_Zna,MANGLE_SIZE_T)#define _ZdlPvX			S(_ZdlPv,MANGLE_SIZE_T)#define _ZnwXRKSt9nothrow_t	S(S(_Znw,MANGLE_SIZE_T),RKSt9nothrow_t)#define _ZnaXRKSt9nothrow_t	S(S(_Zna,MANGLE_SIZE_T),RKSt9nothrow_t)#define _ZdlPvXRKSt9nothrow_t	S(S(_ZdlPv,MANGLE_SIZE_T),RKSt9nothrow_t) #define _ZGTtnwX		S(_ZGTtnw,MANGLE_SIZE_T)#define _ZGTtnaX		S(_ZGTtna,MANGLE_SIZE_T)#define _ZGTtdlPvX		S(_ZGTtdlPv,MANGLE_SIZE_T)#define _ZGTtnwXRKSt9nothrow_t	S(S(_ZGTtnw,MANGLE_SIZE_T),RKSt9nothrow_t)#define _ZGTtnaXRKSt9nothrow_t	S(S(_ZGTtna,MANGLE_SIZE_T),RKSt9nothrow_t)#define _ZGTtdlPvXRKSt9nothrow_t S(S(_ZGTtdlPv,MANGLE_SIZE_T),RKSt9nothrow_t) /* Everything from libstdc++ is weak, to avoid requiring that library   to be linked into plain C applications using libitm.so.  */ extern "C" { extern void *_ZnwX  (size_t) __attribute__((weak));extern void _ZdlPv  (void *) __attribute__((weak));extern void _ZdlPvX (void *, size_t) __attribute__((weak));extern void *_ZnaX  (size_t) __attribute__((weak));extern void _ZdaPv  (void *) __attribute__((weak)); typedef const struct nothrow_t { } *c_nothrow_p; extern void *_ZnwXRKSt9nothrow_t (size_t, c_nothrow_p) __attribute__((weak));extern void _ZdlPvRKSt9nothrow_t (void *, c_nothrow_p) __attribute__((weak));extern void _ZdlPvXRKSt9nothrow_t(void *, size_t, c_nothrow_p) __attribute__((weak));extern void *_ZnaXRKSt9nothrow_t (size_t, c_nothrow_p) __attribute__((weak));extern void _ZdaPvRKSt9nothrow_t (void *, c_nothrow_p) __attribute__((weak)); #if !defined (HAVE_ELF_STYLE_WEAKREF) void *_ZnwX  (size_t) { return NULL; }void _ZdlPv  (void *) { return; }void _ZdlPvX (void *, size_t) { return; }void *_ZnaX  (size_t) { return NULL; }void _ZdaPv  (void *) { return; } void *_ZnwXRKSt9nothrow_t  (size_t, c_nothrow_p) { return NULL; }void _ZdlPvRKSt9nothrow_t  (void *, c_nothrow_p) { return; }void _ZdlPvXRKSt9nothrow_t (void *, size_t, c_nothrow_p) { return; }void *_ZnaXRKSt9nothrow_t  (size_t, c_nothrow_p) { return NULL; }void _ZdaPvRKSt9nothrow_t  (void *, c_nothrow_p) { return; }#endif /* HAVE_ELF_STYLE_WEAKREF */ /* Wrap the delete nothrow symbols for usage with a single argument.   Perhaps should have a configure type check for this, because the   std::nothrow_t reference argument is unused (empty class), and most   targets don't actually need that second argument.  So we _could_   invoke these functions as if they were a single argument free.  */static voiddel_opnt (void *ptr){  _ZdlPvRKSt9nothrow_t (ptr, NULL);} static voiddel_opvnt (void *ptr){  _ZdaPvRKSt9nothrow_t (ptr, NULL);} static voiddelsz_opnt (void *ptr, size_t sz){  _ZdlPvXRKSt9nothrow_t (ptr, sz, NULL);} /* Wrap: operator new (std::size_t sz)  */void *_ZGTtnwX (size_t sz){  void *r = _ZnwX (sz);  if (r)    gtm_thr()->record_allocation (r, _ZdlPv);  return r;} /* Wrap: operator new (std::size_t sz, const std::nothrow_t&)  */void *_ZGTtnwXRKSt9nothrow_t (size_t sz, c_nothrow_p nt){  void *r = _ZnwXRKSt9nothrow_t (sz, nt);  if (r)    gtm_thr()->record_allocation (r, del_opnt);  return r;} /* Wrap: operator new[] (std::size_t sz)  */void *_ZGTtnaX (size_t sz){  void *r = _ZnaX (sz);  if (r)    gtm_thr()->record_allocation (r, _ZdaPv);  return r;} /* Wrap: operator new[] (std::size_t sz, const std::nothrow_t& nothrow)  */void *_ZGTtnaXRKSt9nothrow_t (size_t sz, c_nothrow_p nt){  void *r = _ZnaXRKSt9nothrow_t (sz, nt);  if (r)    gtm_thr()->record_allocation (r, del_opvnt);  return r;} /* Wrap: operator delete(void* ptr)  */void_ZGTtdlPv (void *ptr){  if (ptr)    gtm_thr()->forget_allocation (ptr, _ZdlPv);} /* Wrap: operator delete (void *ptr, const std::nothrow_t&)  */void_ZGTtdlPvRKSt9nothrow_t (void *ptr, c_nothrow_p nt UNUSED){  if (ptr)    gtm_thr()->forget_allocation (ptr, del_opnt);} /* Wrap: operator delete[] (void *ptr)  */void_ZGTtdaPv (void *ptr){  if (ptr)    gtm_thr()->forget_allocation (ptr, _ZdaPv);} /* Wrap: operator delete[] (void *ptr, const std::nothrow_t&)  */void_ZGTtdaPvRKSt9nothrow_t (void *ptr, c_nothrow_p nt UNUSED){  if (ptr)    gtm_thr()->forget_allocation (ptr, del_opvnt);} /* Wrap: operator delete(void* ptr, std::size_t sz)  */void_ZGTtdlPvX (void *ptr, size_t sz){  if (ptr)    gtm_thr()->forget_allocation (ptr, sz, _ZdlPvX);} /* Wrap: operator delete (void *ptr, std::size_t sz, const std::nothrow_t&)  */void_ZGTtdlPvXRKSt9nothrow_t (void *ptr, size_t sz, c_nothrow_p nt UNUSED){  if (ptr)    gtm_thr()->forget_allocation (ptr, sz, delsz_opnt);} } // extern "C"