radix tree test suite: Build separate binaries for some tests

To allow developers to run a subset of tests, build separate multiorder
and idr-test binaries which will run just the tests in those files.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: Rehas Sachdeva <aquannie@gmail.com>

tools/testing/radix-tree/.gitignore

+idr.c
+idr-test
 main
+multiorder
 radix-tree.c
-idr.c

tools/testing/radix-tree/Makefile

 
 CFLAGS += -I. -I../../include -g -O2 -Wall -D_LGPL_SOURCE
 LDFLAGS += -lpthread -lurcu
-TARGETS = main
-OFILES = main.o radix-tree.o idr.o linux.o test.o tag_check.o find_bit.o \
-	 regression1.o regression2.o regression3.o multiorder.o idr-test.o \
-	 iteration_check.o benchmark.o
+TARGETS = main idr-test multiorder
+CORE_OFILES := radix-tree.o idr.o linux.o test.o find_bit.o
+OFILES = main.o $(CORE_OFILES) regression1.o regression2.o regression3.o \
+	 tag_check.o multiorder.o idr-test.o iteration_check.o benchmark.o
 
 ifdef BENCHMARK
 	CFLAGS += -DBENCHMARK=1
@@ -13,10 +13,16 @@ endif
 targets: $(TARGETS)
 
 main:	$(OFILES)
-	$(CC) $(CFLAGS) $(LDFLAGS) $(OFILES) -o main
+	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o main
+
+idr-test: idr-test.o $(CORE_OFILES)
+	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o idr-test
+
+multiorder: multiorder.o $(CORE_OFILES)
+	$(CC) $(CFLAGS) $(LDFLAGS) $^ -o multiorder
 
 clean:
-	$(RM) -f $(TARGETS) *.o radix-tree.c
+	$(RM) $(TARGETS) *.o radix-tree.c idr.c
 
 vpath %.c ../../lib
 

tools/testing/radix-tree/idr-test.c

@@ -431,3 +431,14 @@ void ida_checks(void)
 
 	radix_tree_cpu_dead(1);
 }
+
+int __weak main(void)
+{
+	radix_tree_init();
+	idr_checks();
+	ida_checks();
+	rcu_barrier();
+	if (nr_allocated)
+		printf("nr_allocated = %d\n", nr_allocated);
+	return 0;
+}

tools/testing/radix-tree/multiorder.c

@@ -633,3 +633,10 @@ void multiorder_checks(void)
 
 	radix_tree_cpu_dead(0);
 }
+
+int __weak main(void)
+{
+	radix_tree_init();
+	multiorder_checks();
+	return 0;
+}