coreboot-kgpe-d16/util/cbfstool/rmodtool.c

107 lines
2.3 KiB
C

/*
* cbfstool, CLI utility for creating rmodules
*
* Copyright (C) 2014 Google, Inc.
*
* 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; version 2 of the License.
*
* 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, write to the Free Software
* Foundation, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>
#include "common.h"
#include "rmodule.h"
static const char *optstring = "i:o:vh?";
static struct option long_options[] = {
{"inelf", required_argument, 0, 'i' },
{"outelf", required_argument, 0, 'o' },
{"verbose", no_argument, 0, 'v' },
{"help", no_argument, 0, 'h' },
{NULL, 0, 0, 0 }
};
static void usage(char *name)
{
printf(
"rmodtool: utility for creating rmodules\n\n"
"USAGE: %s [-h] [-v] <-i|--inelf name> <-o|--outelf name>\n",
name
);
}
int main(int argc, char *argv[])
{
int c;
struct buffer elfin;
struct buffer elfout;
const char *input_file = NULL;
const char *output_file = NULL;
if (argc < 3) {
usage(argv[0]);
return 1;
}
while (1) {
int optindex = 0;
c = getopt_long(argc, argv, optstring, long_options, &optindex);
if (c == -1)
break;
switch (c) {
case 'i':
input_file = optarg;
break;
case 'h':
usage(argv[0]);
return 1;
case 'o':
output_file = optarg;
break;
case 'v':
verbose++;
break;
default:
break;
}
}
if (input_file == NULL || output_file == NULL) {
usage(argv[0]);
return 1;
}
if (buffer_from_file(&elfin, input_file)) {
ERROR("Couldn't read in file '%s'.\n", input_file);
return 1;
}
if (rmodule_create(&elfin, &elfout)) {
ERROR("Unable to create rmodule from '%s'.\n", input_file);
return 1;
}
if (buffer_write_file(&elfout, output_file)) {
ERROR("Unable to write rmodule elf '%s'.\n", output_file);
return 1;
}
return 0;
}