Add COMPAT_NETBSD. Currently only works for ELF64. Many missing system calls.

1 files changed, 117 insertions, 0 deletions

diff --git a/sys/compat/netbsd/netbsd_exec.c b/sys/compat/netbsd/netbsd_exec.c
new file mode 100644
index 00000000000..abac7f8e5a9
--- /dev/null
+++ b/sys/compat/netbsd/netbsd_exec.c
@@ -0,0 +1,117 @@
+/*	$OpenBSD: netbsd_exec.c,v 1.1 1999/09/12 14:15:16 kstailey Exp $	 */
+/*	$NetBSD: svr4_exec.c,v 1.16 1995/10/14 20:24:20 christos Exp $	 */
+
+/*
+ * Copyright (c) 1994 Christos Zoulas
+ * 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. 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 <sys/systm.h>
+#include <sys/proc.h>
+#include <sys/signalvar.h>
+#include <sys/malloc.h>
+#include <sys/exec.h>
+#include <sys/exec_elf.h>
+#include <sys/exec_olf.h>
+
+#include <sys/mman.h>
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/vm_map.h>
+
+#include <machine/cpu.h>
+#include <machine/reg.h>
+#if 0
+#include <machine/netbsd_machdep.h>
+#endif
+
+#include <compat/netbsd/netbsd_util.h>
+#include <compat/netbsd/netbsd_syscall.h>
+#include <compat/netbsd/netbsd_exec.h>
+
+static void *netbsd_copyargs __P((struct exec_package *, struct ps_strings *,
+			       void *, void *));
+
+const char netbsd_emul_path[] = "/emul/netbsd";
+extern char sigcode[], esigcode[];
+extern struct sysent netbsd_sysent[];
+extern char *netbsd_syscallnames[];
+
+struct emul emul_elf64_netbsd = {
+	"netbsd",
+	NULL,
+	sendsig,
+	NETBSD_SYS_syscall,
+	NETBSD_SYS_MAXSYSCALL,
+	netbsd_sysent,
+	netbsd_syscallnames,
+	0,
+	netbsd_copyargs,
+	setregs,
+	exec_elf64_fixup,
+	sigcode,
+	esigcode,
+};
+
+static void *
+netbsd_copyargs(pack, arginfo, stack, argp)
+	struct exec_package *pack;
+	struct ps_strings *arginfo;
+	void *stack;
+	void *argp;
+{
+	AuxInfo *a;
+
+	if (!(a = (AuxInfo *)elf64_copyargs(pack, arginfo, stack, argp)))
+		return (NULL);
+	return (a);
+}
+
+int
+netbsd_elf64_probe(p, epp, itp, pos, os)
+	struct proc *p;
+	struct exec_package *epp;
+	char *itp;
+	u_long *pos;
+	u_int8_t *os;
+{
+	char *bp;
+	int error;
+	size_t len;
+
+	if (itp[0]) {
+		if ((error = emul_find(p, NULL, netbsd_emul_path, itp, &bp, 0)))
+			return (error);
+		if ((error = copystr(bp, itp, MAXPATHLEN, &len)))
+			return (error);
+		free(bp, M_TEMP);
+	}
+	epp->ep_emul = &emul_elf64_netbsd;
+	*pos = ELF64_NO_ADDR;
+	if (*os == OOS_NULL)
+		*os = OOS_NETBSD;
+	return (0);
+}