153
+ − 1 /*
+ − 2 * Copyright (c) 1995 by Sun Microsystems, Inc.
+ − 3 * All rights reserved.
+ − 4 *
+ − 5 * This source code is a product of Sun Microsystems, Inc. and is provided
+ − 6 * for unrestricted use provided that this legend is included on all tape
+ − 7 * media and as a part of the software program in whole or part. Users
+ − 8 * may copy or modify this source code without charge, but are not authorized
+ − 9 * to license or distribute it to anyone else except as part of a product or
+ − 10 * program developed by the user.
+ − 11 *
+ − 12 * THIS PROGRAM CONTAINS SOURCE CODE COPYRIGHTED BY SUN MICROSYSTEMS, INC.
+ − 13 * SUN MICROSYSTEMS, INC., MAKES NO REPRESENTATIONS ABOUT THE SUITABLITY
+ − 14 * OF SUCH SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT
+ − 15 * EXPRESS OR IMPLIED WARRANTY OF ANY KIND. SUN MICROSYSTEMS, INC. DISCLAIMS
+ − 16 * ALL WARRANTIES WITH REGARD TO SUCH SOURCE CODE, INCLUDING ALL IMPLIED
+ − 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN
+ − 18 * NO EVENT SHALL SUN MICROSYSTEMS, INC. BE LIABLE FOR ANY SPECIAL, INDIRECT,
+ − 19 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ − 20 * FROM USE OF SUCH SOURCE CODE, REGARDLESS OF THE THEORY OF LIABILITY.
+ − 21 *
+ − 22 * This source code is provided with no support and without any obligation on
+ − 23 * the part of Sun Microsystems, Inc. to assist in its use, correction,
+ − 24 * modification or enhancement.
+ − 25 *
+ − 26 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ − 27 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY THIS
+ − 28 * SOURCE CODE OR ANY PART THEREOF.
+ − 29 *
+ − 30 * Sun Microsystems, Inc.
+ − 31 * 2550 Garcia Avenue
+ − 32 * Mountain View, California 94043
+ − 33 */
+ − 34
+ − 35 /*
+ − 36 * Update the value of the `_edata' and `_end' symbols.
+ − 37 */
+ − 38 #pragma ident "@(#) $Id: syms.c,v 1.3 1997/05/29 04:22:30 steve Exp $ - SMI"
+ − 39
+ − 40 #include <libelf.h>
+ − 41 #include <string.h>
+ − 42 #include "machdep.h"
+ − 43 #include "_dynodump.h"
+ − 44
+ − 45 void
+ − 46 update_sym(Cache * cache, Cache * _cache, Addr edata)
+ − 47 {
+ − 48 char *strs;
+ − 49 Sym *syms;
+ − 50 Shdr *shdr;
+ − 51 int symn, cnt;
+ − 52
+ − 53 /*
+ − 54 * Set up to read the symbol table and its associated string table.
+ − 55 */
+ − 56 shdr = _cache->c_shdr;
+ − 57 syms = (Sym *) _cache->c_data->d_buf;
+ − 58 symn = shdr->sh_size / shdr->sh_entsize;
+ − 59
+ − 60 strs = (char *) cache[shdr->sh_link].c_data->d_buf;
+ − 61
+ − 62 /*
+ − 63 * Loop through the symbol table looking for `_end' and `_edata'.
+ − 64 */
+ − 65 for (cnt = 0; cnt < symn; cnt++, syms++) {
+ − 66 char *name = strs + syms->st_name;
+ − 67
+ − 68 if (strcmp(name, "_end") && strcmp(name, "_edata"))
+ − 69 continue;
+ − 70
+ − 71 syms->st_value = edata;
+ − 72 }
+ − 73 }
