proj: Add PoC

proj/test1/Makefile

@@ -1,20 +1,48 @@
 
 CC=gcc
 CFLAGS=-std=c99 -pedantic -Wall -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE -D_POSIX_C_SOURCE=200809L -g
-LDFLAGS=-lc
 
 .PHONY: all clean
 all: default
-default: main main_wrapped test_preload.so
+default: bin main test_preload.so main_wrapped #test_kernel.ko
 
-test_preload.so: src/test_preload.c
-	$(CC) -shared -fPIC -o $@ $^ $(CFLAGS) $(LDFLAGS)
+bin:
+	mkdir -p bin/
+
+bin/test_preload.o: src/test_preload.c
+	$(CC) -fPIC -c -o $@ $^ $(CFLAGS)
+
+test_preload.so: bin/test_preload.o
+	$(CC) -shared -o $@ $^ $(CFLAGS) -lc -ldl
+
+test_kernel.ko: src/test_kernel.c
+	$(CC) -D__KERNEL__ -DMODULE -I/usr/src/linux/include -o $@ $^
 
 main: src/main.c
-	$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS)
+	$(CC) -o $@ $^ $(CFLAGS) -lc
 
 main_wrapped: src/main.c src/test_wrap.c
-	$(CC) -o $@ $^ $(CFLAGS) $(LDFLAGS) -Wl,--wrap=malloc -Wl,--wrap=free -Wl,--wrap=calloc -Wl,--wrap=realloc -Wl,--wrap=getopt
+	$(CC) -o $@ $^ $(CFLAGS) -lc -Wl,--wrap=malloc,--wrap=free,--wrap=calloc,--wrap=realloc,--wrap=getopt
 
 clean:
-	rm -rf main test_preload.so main_wrapped
+	rm -rf main main_wrapped bin/* *.so *.ko *.o
+
+
+#ifneq ($(KERNELRELEASE),)
+#	# call from kernel build system
+#	lifo-objs := main.o
+#	obj-m   := lifo.o
+#else
+#	KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+#	PWD       := $(shell pwd)
+#modules:
+#	echo $(MAKE) -C $(KERNELDIR) M=$(PWD) LDDINC=$(PWD)/../include modules
+#	$(MAKE) -C $(KERNELDIR) M=$(PWD) LDDINC=$(PWD)/../include modules
+#endif
+#
+#depend .depend dep:
+#	$(CC) $(CFLAGS) -M *.c > .depend
+#
+#ifeq (.depend,$(wildcard .depend))
+#	include .depend
+#endif