112 lines
2.7 KiB
C++
112 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
|
|
*
|
|
* This source code is free software; you can redistribute it
|
|
* and/or modify it in source code form 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.
|
|
*
|
|
* 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
|
|
*/
|
|
#if !defined(WINNT)
|
|
#ident "$Id: debug.cc,v 1.1 2001/05/05 23:55:46 steve Exp $"
|
|
#endif
|
|
|
|
/*
|
|
* This file provides a simple command line debugger for the vvp
|
|
* runtime. It is a means to interract with the user running the
|
|
* simulation.
|
|
*/
|
|
|
|
# include "config.h"
|
|
|
|
#if defined(WITH_DEBUG)
|
|
|
|
# include "debug.h"
|
|
# include "schedule.h"
|
|
# include <stdio.h>
|
|
# include <readline/readline.h>
|
|
# include <readline/history.h>
|
|
# include <string.h>
|
|
# include <malloc.h>
|
|
|
|
|
|
static bool interact_flag = false;
|
|
|
|
static void cmd_go(unsigned, char*[])
|
|
{
|
|
interact_flag = false;
|
|
}
|
|
|
|
static void cmd_time(unsigned, char*[])
|
|
{
|
|
unsigned long ticks = schedule_simtime();
|
|
printf("%lu ticks\n", ticks);
|
|
}
|
|
|
|
static void cmd_unknown(unsigned argc, char*argv[])
|
|
{
|
|
printf("Unknown command: %s\n", argv[0]);
|
|
}
|
|
|
|
struct {
|
|
const char*name; void (*proc)(unsigned argc, char*argv[]);
|
|
} cmd_table[] = {
|
|
{ "go", &cmd_go},
|
|
{ "time", &cmd_time},
|
|
{ 0, &cmd_unknown}
|
|
};
|
|
|
|
void breakpoint(void)
|
|
{
|
|
printf("** VVP Interactive Debugger **\n");
|
|
printf("Current simulation time is %lu ticks.\n", schedule_simtime());
|
|
|
|
interact_flag = true;
|
|
while (interact_flag) {
|
|
char*input = readline("> ");
|
|
unsigned argc = 0;
|
|
char**argv = new char*[strlen(input)/2];
|
|
|
|
for (char*cp = input+strspn(input, " ")
|
|
; *cp; cp += strspn(cp, " ")) {
|
|
argv[argc] = cp;
|
|
|
|
cp += strcspn(cp, " ");
|
|
if (*cp)
|
|
*cp++ = 0;
|
|
|
|
argc += 1;
|
|
}
|
|
|
|
if (argc > 0) {
|
|
unsigned idx;
|
|
for (idx = 0 ; cmd_table[idx].name ; idx += 1)
|
|
if (strcmp(cmd_table[idx].name, argv[0]) == 0)
|
|
break;
|
|
|
|
cmd_table[idx].proc (argc, argv);
|
|
}
|
|
|
|
delete[] argv;
|
|
free(input);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
/*
|
|
* $Log: debug.cc,v $
|
|
* Revision 1.1 2001/05/05 23:55:46 steve
|
|
* Add the beginnings of an interactive debugger.
|
|
*
|
|
*/
|
|
|