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authorTheo de Raadt <deraadt@cvs.openbsd.org>2008-08-22 15:18:56 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>2008-08-22 15:18:56 +0000
commitf58dd4fe87fead2d644fc1341d7731fe34c75b13 (patch)
tree0e1c8bda49466845ec92f92ade36dd92d2239379 /usr.sbin/crunchgen/ecoff_hide.c
parentc1a84c1c712d13ee22082743780139fe2a4855f5 (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.c62
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 */