xref: /freebsd-10.3-release/lib/libproc/test/t3-name2sym/t3-name2sym.c

/*
 * Copyright (c) 2010 The FreeBSD Foundation
 * All rights reserved.
 *
 * This software was developed by Rui Paulo under sponsorship from the
 * FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: releng/10.3/lib/libproc/test/t3-name2sym/t3-name2sym.c 240154 2012-09-06 01:24:18Z rpaulo $
 */
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <libproc.h>
#include <gelf.h>
#include <string.h>

int
main(int argc, char *argv[])
{
	prmap_t *map = NULL;
	struct proc_handle *phdl;
	GElf_Sym sym;

	proc_create("./t3-name2sym", argv, NULL, NULL, &phdl);
	memset(&sym, 0, sizeof(sym));
	assert(proc_name2sym(phdl, "ld-elf.so.1", "r_debug_state", &sym) == 0);
	printf("0x%lx\n", sym.st_value);
	assert(proc_name2sym(phdl, "t3-name2sym", "main", &sym) == 0);
	printf("0x%lx\n", sym.st_value);
}