/*

 * This file is part of ltrace.

 * Copyright (C) 2012 Petr Machata, Red Hat Inc.

 * Copyright (C) 2003,2008,2009 Juan Cespedes

 * Copyright (C) 2006 Ian Wienand

 *

 * 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.

 *

 * 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., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA

 */

#include <stdio.h>

#include <stdarg.h>

#include "common.h"

#include "backend.h"

void

debug_(int level, const char *file, int line, const char *fmt, ...) {

	char buf[1024];

	va_list args;

	if (!(options.debug & level)) {

		return;

	}

	va_start(args, fmt);

	vsnprintf(buf, 1024, fmt, args);

	va_end(args);

	output_line(NULL, "DEBUG: %s:%d: %s", file, line, buf);

	fflush(options.output);

}

static int

xwritedump(long *ptr, arch_addr_t addr, size_t count)

{

	size_t i;

	for (i = 0; i < count; ++i) {

		if (fprintf(stderr, "%p->%0*lx\n",

			    addr, 2 * (int)sizeof(long), ptr[i]) < 0)

			return -1;

		addr += sizeof(long);

	}

	return 0;

}

int

xinfdump(struct process *proc, arch_addr_t addr, size_t length)

{

	unsigned char buf[length];

	size_t got = umovebytes(proc, addr, buf, length);

	if (got == (size_t)-1)

		return -1;

	return xwritedump((long *)buf, addr, got / sizeof(long));

}