File: cuda_common.c

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/*
 * Copyright 2010      INRIA Saclay
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
 * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
 * 91893 Orsay, France
 */

#include <ctype.h>
#include <limits.h>
#include <string.h>

#include "cuda_common.h"
#include "ppcg.h"

// For GNU Hurd
#if defined(__GNU__) && !defined(PATH_MAX)
# define PATH_MAX 4096
#endif

/* Open the host .cu file and the kernel .hu and .cu files for writing.
 * Add the necessary includes.
 */
void cuda_open_files(struct cuda_info *info, const char *input)
{
    char name[PATH_MAX];
    int len;

    len = ppcg_extract_base_name(name, input);

    strcpy(name + len, "_host.cu");
    info->host_c = fopen(name, "w");

    strcpy(name + len, "_kernel.cu");
    info->kernel_c = fopen(name, "w");

    strcpy(name + len, "_kernel.hu");
    info->kernel_h = fopen(name, "w");
    fprintf(info->host_c, "#include <assert.h>\n");
    fprintf(info->host_c, "#include <stdio.h>\n");
    fprintf(info->host_c, "#include \"%s\"\n", name);
    fprintf(info->kernel_c, "#include \"%s\"\n", name);
    fprintf(info->kernel_h, "#include \"cuda.h\"\n\n");
}

/* Close all output files.
 */
void cuda_close_files(struct cuda_info *info)
{
    fclose(info->kernel_c);
    fclose(info->kernel_h);
    fclose(info->host_c);
}