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/* $IdPath$
* Program entry point, command line parsing
*
* Copyright (C) 2001 Peter Johnson
*
* This file is part of YASM.
*
* YASM 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.
*
* YASM 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "util.h"
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <string.h>
#endif
#include <libintl.h>
#define _(String) gettext(String)
#ifdef gettext_noop
#define N_(String) gettext_noop(String)
#else
#define N_(String) (String)
#endif
#include "bitvect.h"
#include "globals.h"
#include "options.h"
#include "errwarn.h"
#include "symrec.h"
#include "bytecode.h"
#include "section.h"
#include "objfmt.h"
#include "preproc.h"
#include "parser.h"
#ifdef DMALLOC
# include <dmalloc.h>
#endif
RCSID("$IdPath$");
#ifndef countof
#define countof(x,y) (sizeof(x)/sizeof(y))
#endif
static int files_open = 0;
static FILE *in;
/* Forward declarations: cmd line parser handlers */
int opt_option_handler(char *cmd, char *param, int extra);
int opt_format_handler(char *cmd, char *param, int extra);
/* Fake handlers: remove them */
int boo_boo_handler(char *cmd, char *param, int extra);
int b_handler(char *cmd, char *param, int extra);
/* values for asm_options */
#define OPT_SHOW_HELP 0x01
/* command line options */
opt_option options[] =
{
{ 'h', "help", 0, opt_option_handler, OPT_SHOW_HELP, "show help text" },
{ 'f', "oformat", 1, opt_format_handler, 0, "select output format", "<format>" },
/* Fake handlers: remove them */
{ 'b', NULL, 0, b_handler, 0, "says boom!" },
{ 0, "boo-boo", 0, boo_boo_handler, 0, "says boo-boo!" },
};
/* help messages */
char help_head[] = "yasm version " VERSION " compiled " __DATE__ "\n"
"copyright (c) 2001 Peter Johnson and " PACKAGE " developers\n"
"mailto: asm-devel@bilogic.org\n"
"\n"
"usage: yasm [options|files]+\n"
"where options are:\n";
char help_tail[] = "\n"
" files are asm sources to be assembled\n"
"\n"
"sample invocation:\n"
" yasm -b --boo-boo -f elf -o test.o impl.asm\n"
"\n";
/* main function */
int
main(int argc, char *argv[])
{
sectionhead *sections;
if (parse_cmdline(argc, argv, options, countof(options, opt_option)))
return EXIT_FAILURE;
if (asm_options & OPT_SHOW_HELP) {
help_msg(help_head, help_tail, options, countof(options, opt_option));
return EXIT_FAILURE;
}
/* Initialize BitVector (needed for floating point). */
if (BitVector_Boot() != ErrCode_Ok) {
ErrorNow(_("Could not initialize BitVector"));
return EXIT_FAILURE;
}
/* if no files were specified, fallback to reading stdin */
if (!files_open)
{
in = stdin;
switch_filename("<STDIN>");
}
/* Get initial BITS setting from object format */
mode_bits = dbg_objfmt.default_mode_bits;
sections = nasm_parser.do_parse(&nasm_parser, &dbg_objfmt, in);
if (OutputAllErrorWarning() > 0) {
sections_delete(sections);
symrec_delete_all();
filename_delete_all();
BitVector_Shutdown();
return EXIT_FAILURE;
}
sections_print(sections);
printf("\n***Symbol Table***\n");
symrec_foreach((int (*) (symrec *))symrec_print);
symrec_parser_finalize();
sections_parser_finalize(sections);
printf("Post-parser-finalization:\n");
sections_print(sections);
sections_delete(sections);
symrec_delete_all();
filename_delete_all();
BitVector_Shutdown();
return EXIT_SUCCESS;
}
/*
* Command line options handlers
*/
int
not_an_option_handler(char *param)
{
if (files_open > 0) {
WarningNow("can open only one input file, only latest file will be processed");
fclose(in);
}
in = fopen(param, "rt");
if (!in) {
ErrorNow(_("could not open file `%s'"), param);
return 1;
}
switch_filename(param);
files_open++;
return 0;
}
int
opt_option_handler(char *cmd, char *param, int extra)
{
asm_options |= extra;
return 0;
}
int
opt_format_handler(char *cmd, char *param, int extra)
{
printf("selected format: %s\n", param);
return 0;
}
/* Fake handlers: remove them */
int
boo_boo_handler(char *cmd, char *param, int extra)
{
printf("boo-boo!\n");
return 0;
}
int
b_handler(char *cmd, char *param, int extra)
{
fprintf(stdout, "boom!\n");
return 0;
}
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