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/* $NetBSD: stab-elf.c,v 1.3 2000/10/22 20:42:48 agc Exp $ */
/*
* Copyright (c) 2000 Alistair G. Crooks. All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Alistair G. Crooks.
* 4. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT(
"@(#) Copyright (c) 2000 \
The NetBSD Foundation, Inc. All rights reserved.");
__RCSID("$NetBSD: stab-elf.c,v 1.3 2000/10/22 20:42:48 agc Exp $");
#endif
#include <sys/types.h>
#include <sys/param.h>
#include <elf.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifndef AWK
#define AWK "/usr/bin/awk"
#endif
#ifndef NM
#define NM "/usr/bin/nm"
#endif
#ifdef __ELF__
#define NAME_OFFSET 0
#else
#define NAME_OFFSET 1
#endif
SYMTAB *
Open_File_And_Snarf_Symbols (name)
char *name;
{
SYMTAB *tab = NULL;
FILE *pp;
char cmd[MAXPATHLEN + 200];
char buf[BUFSIZ];
SYM **nextp;
SYM *sp;
(void) snprintf(cmd, sizeof(cmd), "%s -g %s | %s '$2 == \"T\" { printf(\"%%s %%s\\n\", $1 $3) }'", NM, name, AWK);
if ((pp = popen(cmd, "r")) == NULL) {
Primitive_Error("can't open a.out file");
}
tab = (SYMTAB *)Safe_Malloc (sizeof (SYMTAB));
tab->first = 0;
tab->strings = 0;
nextp = &tab->first;
while (fgets(buf, sizeof(buf), pp) != NULL) {
sp = (SYM *)Safe_Malloc(sizeof (SYM));
sp->name = Safe_Malloc(strlen(buf) + 1 - 8 - 1);
(void) strcpy(sp->name, &buf[8 + 1 + NAME_OFFSET]);
(void) sscanf(buf, "%08x", &sp->value);
*nextp = sp;
nextp = &sp->next;
*nextp = 0;
}
(void) pclose(pp);
return tab;
}
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