This is the kernel linker. To use it, you will first need to apply

the patches in freefall:/home/dfr/ld.diffs to your ld sources and set
BINFORMAT to aoutkld when linking the kernel.

Library changes and userland utilities will appear in a later commit.

1 files changed, 107 insertions, 0 deletions

diff --git a/sys/sys/module.h b/sys/sys/module.h
new file mode 100644
index 0000000..6436212
--- /dev/null
+++ b/sys/sys/module.h
@@ -0,0 +1,107 @@
+/*-
+ * Copyright (c) 1997 Doug Rabson
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#ifndef _SYS_MODULE_H_
+#define _SYS_MODULE_H_
+
+#ifdef KERNEL
+
+typedef enum {
+    MOD_LOAD,
+    MOD_UNLOAD,
+    MOD_SHUTDOWN
+} modeventtype_t;
+
+struct module;
+typedef struct module *module_t;
+
+typedef int (*modeventhand_t)(module_t mod, modeventtype_t what, void *arg);
+
+/*
+ * Struct for registering modules statically via SYSINIT.
+ */
+typedef struct moduledata {
+    char*		name;	/* module name */
+    modeventhand_t	evhand;	/* event handler */
+    void*		priv;	/* extra data */
+} moduledata_t;
+
+#define DECLARE_MODULE(name, data, sub, order) \
+SYSINIT(name##module, sub, order, module_register_static, &data)
+
+void module_register_static(void *data);
+int module_register(const char *name, modeventhand_t callback, void *arg);
+module_t module_lookupbyname(const char *name);
+module_t module_lookupbyid(int modid);
+void module_reference(module_t mod);
+void module_release(module_t mod);
+int module_unload(module_t mod);
+int module_getid(module_t mod);
+module_t module_getfnext(module_t mod);
+
+#ifdef MOD_DEBUG
+
+extern int mod_debug;
+#define MOD_DEBUG_REFS	1
+
+#define MOD_DPF(cat, args)					\
+	do {							\
+		if (mod_debug & MOD_DEBUG_##cat) printf args;	\
+	} while (0)
+
+#else
+
+#define MOD_DPF(cat, args)
+
+#endif
+
+#endif /* KERNEL */
+
+#define MAXMODNAME	32
+
+struct module_stat {
+    int		version;	/* set to sizeof(struct module_stat) */
+    char	name[MAXMODNAME];
+    int		refs;
+    int		id;
+};
+
+#ifndef KERNEL
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int	modnext(int modid);
+int	modfnext(int modid);
+int	modstat(int modid, struct module_stat* stat);
+int	modfind(char *name);
+__END_DECLS
+
+#endif
+
+#endif	/* !_SYS_MODULE_H_ */