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/*
* Copyright (c) 2003-2010 University of Florida
*
* 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.
*
* The GNU General Public License is included in this distribution
* in the file COPYRIGHT.
*/
#include <stdio.h>
#include <stdlib.h>
#include "f77_name.h"
#include "f_types.h"
#ifdef HP
#include <stddef.h>
#endif
#ifdef ALTIX
#include <mpp/shmem.h>
#endif
#define MAX_MEM_ALLOC_PTRS 1000
f_int *malloced_pointers[MAX_MEM_ALLOC_PTRS];
int malloced_len[MAX_MEM_ALLOC_PTRS];
int n_malloced_pointers = 0;
void F77_NAME(malloc_wrapper, MALLOC_WRAPPER)(f_int *nwords,
f_int *element_size, f_int *sheap_flag,
void *x, long long *ixmem,
f_int *ierr)
{
size_t nbytes = (*nwords) * (*element_size);
size_t nb_shmalloc;
f_int *fp, *fp2;
long long llvar;
#ifdef HP
ptrdiff_t offset;
#else
long long offset;
#endif
if (*sheap_flag)
{
#ifdef USE_SHMEM
nb_shmalloc = (size_t) nbytes;
printf("Call shmalloc with %ld\n", nb_shmalloc);
fp = (f_int *) shmalloc(nb_shmalloc);
printf("Pointer from shmalloc: %x\n", fp);
#else
printf("Error: shmalloc not implemented for this machine.\n");
*ierr = -1;
return;
#endif
}
else
{
nbytes = (*nwords);
nbytes *= (*element_size);
nbytes += 8;
fp = (f_int *) malloc(nbytes);
}
if (!fp)
{
printf("(SH)MALLOC ERROR: nwords %d, element size %d\n",*nwords,
*element_size);
*ierr = -1;
return;
}
llvar = (long long) fp;
if (llvar/8*8 == llvar)
fp2 = fp;
else
fp2 = fp + 1;
/* Enter the memory pointer into the set of malloc'd pointers. */
if (n_malloced_pointers >= MAX_MEM_ALLOC_PTRS)
{
printf("Error: Limit of %d mem_alloc pointers has been exceeded.\n",
MAX_MEM_ALLOC_PTRS);
*ierr = -1;
return;
}
malloced_pointers[n_malloced_pointers] = fp;
malloced_len[n_malloced_pointers] = nbytes;
n_malloced_pointers++;
offset = ( fp2 - (f_int *) x);
*ixmem = (long long) (( fp2 - (f_int *) x) / (*element_size/sizeof(f_int)) + 1);
/* printf("malloc_wrapper: fp = %x %ld, address of x = %x %ld, ixmem = %ld\n",fp,fp,x,x,*ixmem); */
*ierr = 0;
}
void F77_NAME(free_mem_alloc, FREE_MEM_ALLOC) ()
{
/* Frees all memory allocated by calls to mem_alloc */
int i;
for (i = 0; i < n_malloced_pointers; i++)
{
free( malloced_pointers[i] );
}
n_malloced_pointers = 0;
}
long long F77_NAME(c_loc64, C_LOC64)(char *base, long long *ix, f_int *size)
{
long long addr;
addr = (long long) base + (*ix-1)*(*size);
/* printf("C_LOC64: base address %x %ld, ix %ld, size %d, addr %x %ld\n",
base,base,*ix,*size,addr,addr); */
return addr;
}
long long F77_NAME(c_loc64p, C_LOC64P)(char *base, long long *ix, f_int *size)
{
long long addr;
addr = (long long) base + (*ix-1)*(*size);
return addr;
}
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