Add ECOFF support, do some slight restructuring to share the mmap between

the different object file format models

1 files changed, 67 insertions, 0 deletions

diff --git a/distrib/crunch/crunchide/ecoff_hide.c b/distrib/crunch/crunchide/ecoff_hide.c
new file mode 100644
index 00000000000..37ba7a442bc
--- /dev/null
+++ b/distrib/crunch/crunchide/ecoff_hide.c
@@ -0,0 +1,67 @@
+/*	$OpenBSD: ecoff_hide.c,v 1.1 1997/05/06 17:08:29 niklas 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Niklas Hallqvist.
+ * 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/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 */