Make this example actually compile again. Rename the module so that

it will get a unique .o file name, and convert the module's Makefile
to use <bsd.mod.mk>.

share/examples/lkm/syscall/module/Makefile

@@ -35,31 +35,14 @@
 # SUCH DAMAGE.
 #
 
-SRCS=newsyscall.c
-OBJS=$(SRCS:.c=.o)
+BINDIR=	/tmp
+SRCS=	mycall.c newsyscall.c
+KMOD=	new_syscall
+NOMAN=	none
 
-KSRCS=mycall.c
-KOBJS=mycall.o
-
-MODOBJ=combined.o
-
-KMOD=newsyscall
-CFLAGS= -DKERNEL -I/sys/sys -I/sys
-
-all:	$(MODOBJ)
-
-clean:
-	rm -f $(OBJS) $(KOBJS) $(MODOBJ) $(KMOD)
-
-load:
-	/sbin/modload -o $(KMOD) -e$(KMOD) $(MODOBJ)
-
-unload:
-	/sbin/modunload -n $(KMOD)
-
-$(MODOBJ): $(OBJS) $(KOBJS)
-	$(LD) -r -o $(MODOBJ) $(OBJS) $(KOBJS)
+CLEANFILES+= ${KMOD}
 
+.include <bsd.kmod.mk>
 #
 # EOF -- This file has not been truncated
 #

share/examples/lkm/syscall/module/newsyscall.c

@@ -38,10 +38,12 @@
  */
 #include <sys/param.h>
 #include <sys/ioctl.h>
+#include <sys/proc.h>
 #include <sys/systm.h>
 #include <sys/conf.h>
 #include <sys/mount.h>
 #include <sys/exec.h>
+#include <sys/sysent.h>
 #include <sys/lkm.h>
 #include <a.out.h>
 #include <sys/file.h>
@@ -58,7 +60,7 @@ static struct sysent newent = {
 	0,	mycall			/* # of args, function pointer*/
 };
 
-MOD_SYSCALL( "newsyscall", -1, &newent)
+MOD_SYSCALL( "new_syscall", -1, &newent)
 
 
 /*
@@ -101,7 +103,7 @@ int			cmd;
  * The entry point should return 0 unless it is refusing load (in which
  * case it should return an errno from errno.h).
  */
-newsyscall( lkmtp, cmd, ver)
+new_syscall( lkmtp, cmd, ver)
 struct lkm_table	*lkmtp;
 int			cmd;
 int			ver;

share/examples/lkm/syscall/test/Makefile

@@ -38,6 +38,8 @@
 PROG=	testsyscall
 NOMAN=
 
+MODSTAT= /usr/bin/modstat
+
 load:
 	@echo "This test program will call the sample system call;"
 	@echo "the "offset requested will be shown as 'Off' in the"
@@ -48,7 +50,7 @@ load:
 	@echo "system console each time it is run."
 	@echo
 	@echo
-	/sbin/modstat -n newsyscall
+	${MODSTAT} -n new_syscall
 	@echo
 	@./testsyscall
 
@@ -57,7 +59,7 @@ unload:
 	@echo "has been successfully unloaded by building 'unload' in"
 	@echo "the 'module' subdirectory."
 	@echo
-	/sbin/modstat -n newsyscall
+	${MODSTAT} -n new_syscall
 
 .include <bsd.prog.mk>