first.cc
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/* -*- compile-command: "g++ -g -c -I.. first.cc -DHAVE_CONFIG_H -DIN_GIAC -DGIAC_CHECK_NEW" -*-
* Copyright (C) 2000,14 B. Parisse, Institut Fourier, 38402 St Martin d'Heres
*
* 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 3 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "first.h"
int init_gmp_memory::refcount = 0;
init_gmp_memory init_gmp_memory_instance;
#ifdef HAVE_LIBGC
#include <new>
#define GC_DEBUG
#include <gc_cpp.h>
void* operator new(std::size_t size)
{
return GC_MALLOC_UNCOLLECTABLE( size );
}
void operator delete(void* obj)
{
GC_FREE(obj);
}
void* operator new[](std::size_t size)
{
return GC_MALLOC_UNCOLLECTABLE(size);
}
void operator delete[](void* obj)
{
GC_FREE(obj);
}
static void* RS_gmpalloc(size_t a)
{
return GC_malloc_atomic(a);
}
static void* RS_gmprealloc(void* old_p, size_t old_size, size_t new_size)
{
void* tmp = GC_realloc(old_p, new_size);
return tmp;
}
static void RS_gmpfree(void * old_p,size_t old_size)
{
}
init_gmp_memory::init_gmp_memory()
{
if (refcount++ == 0)
mp_set_memory_functions(RS_gmpalloc, RS_gmprealloc, RS_gmpfree);
}
init_gmp_memory::~init_gmp_memory()
{
if (--refcount == 0) {
// XXX: do I need to clean up something here?
}
}
#else
init_gmp_memory::init_gmp_memory() { }
init_gmp_memory::~init_gmp_memory() { }
#ifdef NSPIRE
#include <os.h>
#else
#include <new>
#include <cstdlib>
#include <stdexcept>
#endif
#ifdef GIAC_CHECK_NEW
#include <iostream>
size_t giac_allocated = 0;
void* operator new(std::size_t size)
{
std::cerr << giac_allocated << " + " << size << std::endl;
giac_allocated += size;
void * p = std::malloc(size);
if(!p) {
std::bad_alloc ba;
throw ba;
}
return p;
}
void* operator new[](std::size_t size)
{
std::cerr << giac_allocated << " + [] " << size << std::endl;
giac_allocated += size;
void * p = std::malloc(size);
if(!p) {
std::bad_alloc ba;
throw ba;
}
return p;
}
void operator delete[](void* obj)
{
free(obj);
}
#endif
#endif