some ecoff support; untested, but compiles

1 files changed, 83 insertions, 0 deletions

diff --git a/sys/lib/libsa/exec_ecoff.c b/sys/lib/libsa/exec_ecoff.c
new file mode 100644
index 00000000000..fe08151dc59
--- /dev/null
+++ b/sys/lib/libsa/exec_ecoff.c
@@ -0,0 +1,83 @@
+/*	$OpenBSD: exec_ecoff.c,v 1.1 1998/07/14 15:08:27 mickey Exp $	*/
+
+/*
+ * Copyright (c) 1998 Michael Shalayeff
+ * 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 Michael Shalayeff.
+ * 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 "libsa.h"
+#include <lib/libsa/exec.h>
+
+int
+ecoff_probe(fd, hdr)
+	int fd;
+	union x_header *hdr;
+{
+	return !ECOFF_BADMAG(&(hdr->x_ecoff));
+}
+
+
+int
+ecoff_load(fd, xp)
+	int fd;
+	register struct x_param *xp;
+{
+	register struct ecoff_exechdr *x = &xp->xp_hdr->x_ecoff;
+
+#ifdef EXEC_DEBUG
+	printf("\nstruct ecoff_exechdr { f.{%x, %x, %x, %lx, %x, %x, %x}\n"
+	       "\ta.{%x, %lx, %lx, %lx, %lx, %lx, %lx, %lx} }\n",
+	       x->f.f_magic, x->f.f_nscns, x->f.f_timdat, x->f.f_symptr,
+	       x->f.f_nsyms, x->f.f_opthdr, x->f.f_flags,
+	       x->a.magic, x->a.tsize, x->a.dsize, x->a.bsize,
+	       x->a.entry, x->a.text_start, x->a.data_start, x->a.bss_start);
+#endif
+	xp->xp_entry = x->a.entry;
+
+	xp->text.size = x->a.tsize;
+	xp->data.size = x->a.dsize;
+	xp->bss.size = x->a.bsize;
+	xp->sym.size = x->f.f_nsyms * sizeof (struct ecoff_extsym);
+	xp->str.size = 0;	/* will be hacked later in exec() */
+
+	xp->text.foff = ECOFF_TXTOFF(x);
+	xp->data.foff = xp->text.foff + x->a.tsize;
+	xp->bss.foff = 0;
+	if (x->f.f_symptr) {
+		xp->sym.foff = xp->data.foff + x->a.dsize;
+		xp->str.foff = xp->sym.foff + xp->sym.size;
+	}
+
+	xp->text.addr = x->a.text_start;
+	xp->data.addr = x->a.data_start;
+	xp->bss.addr = x->a.bss_start;
+	xp->sym.addr = x->f.f_symptr;
+	xp->str.addr = xp->sym.addr + xp->sym.size;
+
+	return 0;
+}