tests/hello: Add link hello-pie.c (todo)

Try to support PIE ELF

Signed-off-by: Rong Tao <[email protected]>

tests/hello/.gitignore

@@ -1,4 +1,5 @@
 /hello
+/hello-pie
 /test
 /core.*
 *.o

tests/hello/Makefile

@@ -13,7 +13,7 @@ CFLAGS :=
 CFLAGS += -O0 -ggdb -g
 CFLAGS += -pthread
 
-TARGETS := hello
+TARGETS := hello hello-pie
 TARGETS += test
 
 TARGETS_ULP := patch-print.ulp
@@ -30,13 +30,16 @@ CFLAGS += -D__ULP_DEV
 build: ${TARGETS_ULP} ${TARGETS}
 
 hello: hello.o
+hello-pie: hello-pie.o
 test: test.o $(addsuffix .o, $(basename $(TARGETS_ULP)))
 
 CFLAGS_hello := -g -ggdb -flto -pthread
+CFLAGS_hello-pie := ${CFLAGS_hello} -fpie
+LDFLAGS_hello-pie := -pie
 
 %.o: %.c
 	@echo -e "Compile  \033[1m$(<)\033[m to \033[1m$(@)\033[m"
-	$(CC) $(CFLAGS) $(CFLAGS_$(*)) -o $(@) -c $(<)
+	$(CC) -o $(@) -c $(<) $(CFLAGS) $(CFLAGS_$(*))
 
 %.ulp: %.o
 	@echo -e "Gen ulpatch  \033[1m$(<)\033[m to \033[1m$(@)\033[m"
@@ -45,7 +48,7 @@ CFLAGS_hello := -g -ggdb -flto -pthread
 
 $(TARGETS): %:
 	@echo -e "Target   \033[1;32m$(@)\033[m"
-	$(CC) $(CFLAGS) $(CFLAGS_$(*)) -o $(@) $(^) $(LDLIBS) $(LDFLAGS) $(LDFLAGS_$(*))
+	$(CC) -o $(@) $(^) $(LDLIBS) $(LDFLAGS) $(LDFLAGS_$(*)) $(CFLAGS) $(CFLAGS_$(*))
 	strip $(@) -o $(@).stripped
 
 clean:

tests/hello/hello-pie.c

@@ -0,0 +1 @@
+hello.c

tests/hello/test.sh

@@ -59,7 +59,8 @@ while true; do
 done
 
 [[ -z ${pid} ]] && pid=$(pidof hello || true)
-[[ -z ${pid} ]] && echo "ERROR: Run ./hello first or specify -p" && exit 1
+[[ -z ${pid} ]] && pid=$(pidof hello-pie || true)
+[[ -z ${pid} ]] && echo "ERROR: Run ./hello or ./hello-pie first or specify -p" && exit 1
 
 [[ -z ${patch} ]] && echo "ERROR: Must specify ulpatch with -u" && exit 1
 [[ ! -e ${patch} ]] && echo "ERROR: ${patch} is not exist." && exit 1