t3-name2sym.c revision 210688
1/* 2 * Copyright (c) 2010 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Rui Paulo under sponsorship from the 6 * FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: head/lib/libproc/test/t3-name2sym/t3-name2sym.c 210688 2010-07-31 16:10:20Z rpaulo $ 30 */ 31#include <sys/types.h> 32#include <assert.h> 33#include <stdio.h> 34#include <libproc.h> 35#include <gelf.h> 36 37int 38main(int argc, char *argv[]) 39{ 40 prmap_t *map = NULL; 41 struct proc_handle *phdl; 42 GElf_Sym sym; 43 44 proc_create("./t3-name2sym", argv, NULL, NULL, &phdl); 45 memset(&sym, 0, sizeof(sym)); 46 assert(proc_name2sym(phdl, "ld-elf.so.1", "r_debug_state", &sym) == 0); 47 printf("0x%lx\n", sym.st_value); 48 assert(proc_name2sym(phdl, "t3-name2sym", "main", &sym) == 0); 49 printf("0x%lx\n", sym.st_value); 50} 51