add HP SOM support

1 files changed, 86 insertions, 0 deletions

diff --git a/sys/lib/libsa/exec_som.c b/sys/lib/libsa/exec_som.c
new file mode 100644
index 00000000000..c2ac9793132
--- /dev/null
+++ b/sys/lib/libsa/exec_som.c
@@ -0,0 +1,86 @@
+/*	$OpenBSD: exec_som.c,v 1.3 1998/07/14 17:17:54 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 <sys/param.h>
+#include "libsa.h"
+#include <machine/exec.h>
+#include <lib/libsa/exec.h>
+
+int
+som_probe(fd, hdr)
+	int fd;
+	union x_header *hdr;
+{
+	return !SOM_BADMAGIC(&hdr->x_som);
+}
+
+
+int
+som_load(fd, xp)
+	int fd;
+	register struct x_param *xp;
+{
+	register struct som_filehdr *xf = &xp->xp_hdr->x_som;
+	struct som_exec_auxhdr x;
+
+	if (lseek(fd, xf->aux_header_location, SEEK_SET) < 0 ||
+	    read (fd, &x, sizeof(x)) != sizeof(x)) {
+		if (!errno)
+			errno = EIO;
+		return -1;
+	}
+
+	xp->xp_entry = x.exec_entry;
+
+	xp->text.size = hppa_round_page(x.exec_tsize);
+	xp->data.size = hppa_round_page(x.exec_dsize);
+	xp->bss.size = x.exec_bsize;
+	xp->sym.size = xf->symbol_total *
+		sizeof(struct som_symbol_dictionary_record);
+	xp->str.size = xf->symbol_strings_size;
+
+	xp->text.foff = x.exec_tfile;
+	xp->data.foff = x.exec_dfile;
+	xp->bss.foff = 0;
+	if (xf->symbol_total) {
+		xp->sym.foff = xf->symbol_location;
+		xp->str.foff = xf->symbol_strings_location;
+	}
+
+	xp->text.addr = x.exec_tmem;
+	xp->data.addr = x.exec_dmem;
+	xp->bss.addr = xp->data.addr + x.exec_dsize;
+	xp->sym.addr = xp->bss.addr + xp->bss.size;
+	xp->str.addr = xp->sym.addr + xp->sym.size;
+
+	return 0;
+}