diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-08-22 15:18:56 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-08-22 15:18:56 +0000 |
commit | f58dd4fe87fead2d644fc1341d7731fe34c75b13 (patch) | |
tree | 0e1c8bda49466845ec92f92ade36dd92d2239379 /usr.sbin/crunchgen/ecoff_hide.c | |
parent | c1a84c1c712d13ee22082743780139fe2a4855f5 (diff) |
Merge crunchgen & crunchhide (using name checking), and move to usr.sbin
next step is to not install it as two programs, but be even more clever
Diffstat (limited to 'usr.sbin/crunchgen/ecoff_hide.c')
-rw-r--r-- | usr.sbin/crunchgen/ecoff_hide.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/usr.sbin/crunchgen/ecoff_hide.c b/usr.sbin/crunchgen/ecoff_hide.c new file mode 100644 index 00000000000..e21383cf9e8 --- /dev/null +++ b/usr.sbin/crunchgen/ecoff_hide.c @@ -0,0 +1,62 @@ +/* $OpenBSD: ecoff_hide.c,v 1.1 2008/08/22 15:18:55 deraadt Exp $ */ + +/*- + * Copyright (c) 1997 Niklas Hallqvist. 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. + * + * 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/types.h> +#include <sys/exec.h> +#ifdef _NLIST_DO_ECOFF +#include <sys/exec_ecoff.h> +#include <string.h> + +/* Do we have these symbols in any include file? */ +#define scText 1 +#define scData 2 +#define scBss 3 +#define scSData 13 +#define scSBss 14 +#define scRData 15 + +#define stNil 0 + +extern int in_keep_list(char *); + +void +ecoff_hide(int fd, char *p) +{ + struct ecoff_exechdr *ehdr = (struct ecoff_exechdr *) p; + struct ecoff_symhdr *shdr = (struct ecoff_symhdr *) (p + ehdr->f.f_symptr); + u_int ecnt = shdr->esymMax; + struct ecoff_extsym *esym = (struct ecoff_extsym *) (p + shdr->cbExtOffset); + char *estr = p + shdr->cbSsExtOffset; + int i; + + for (i = 0; i < ecnt; i++, esym++) + if ((esym->es_class == scText || esym->es_class == scData || + esym->es_class == scBss || esym->es_class == scSData || + esym->es_class == scSBss || esym->es_class == scRData) && + !in_keep_list(estr + esym->es_strindex)) + esym->es_type = stNil; +} +#endif /* _NLIST_DO_ECOFF */ |