test inter-module cfi

Former-commit-id: 790db508514c02467a0e1c6a0c18860ebb56ee4f

.gitattributes

@@ -1134,9 +1134,12 @@ tools/selective_cfi/color_map.hpp -text
 tools/selective_cfi/scfi_driver.cpp -text
 tools/selective_cfi/scfi_instr.cpp -text
 tools/selective_cfi/scfi_instr.hpp -text
+tools/selective_cfi/tests/dude.c -text
 tools/selective_cfi/tests/foo.c -text
+tools/selective_cfi/tests/libdude.c -text
 tools/selective_cfi/tests/libfoo.c -text
 tools/selective_cfi/tests/pow.c -text
+tools/selective_cfi/tests/test_dude.sh -text
 tools/selective_cfi/tests/test_foo.sh -text
 tools/selective_cfi/tests/test_pow.sh -text
 tools/selective_cfi/zest_cfi_runtime/SConscript -text

tools/selective_cfi/tests/dude.c

+#include <stdlib.h>
+#include <stdio.h>
+
+extern int dude();
+
+int main()
+{
+	dude();
+}
+
+void foo2()
+{
+	printf("In foo2()\n");
+}

tools/selective_cfi/tests/libdude.c

+#include <stdio.h>
+
+void dude()
+{
+	printf("in dude\n");
+	foo();
+}
+

tools/selective_cfi/tests/test_dude.sh

+#!/bin/bash  -x
+
+do_cfi()
+{
+	$PS $1 $2 --backend zipr --step selective_cfi=on --step-option selective_cfi:--multimodule --step move_globals=on --step-option move_globals:--cfi  --step-option fix_calls:--fix-all --step-option zipr:"--add-sections false"
+}
+
+do_coloring_cfi()
+{
+	$PS $1 $2 --backend zipr --step selective_cfi=on --step-option selective_cfi:--multimodule --step move_globals=on --step-option move_globals:--cfi  --step-option fix_calls:--fix-all --step-option selective_cfi:--color  --step-option zipr:"--add-sections false"
+}
+
+
+get_correct()
+{
+	cp libfoo.so.orig libfoo.so
+	cp libdude.so.orig libdude.so
+	./dude.exe > correct
+}
+
+test()
+{
+	cp $2 libfoo.so  
+	cp $3 libdude.so  
+	./$1 > out 
+
+	cmp out correct
+	if [ $? = 1 ]; then
+		fails=$(expr $fails + 1 )
+		echo test failed $1 $2 $3
+		echo "=== out ==="
+		cat out
+		echo "======"
+	else
+		passes=$(expr $passes + 1 )
+		echo test passed.
+	fi
+}
+
+
+build()
+{
+	gcc -o libfoo.so libfoo.c -w -shared -fPIC
+	gcc -o libdude.so libdude.c -w -shared -fPIC
+	gcc -o dude.exe dude.c -w -L. -ldude -lfoo
+	mv libfoo.so libfoo.so.orig
+	mv libdude.so libdude.so.orig
+}
+
+
+protect()
+{
+	do_coloring_cfi ./dude.exe ./dude.exe.cfi
+	do_cfi ./libfoo.so.orig ./libfoo.so.cfi
+	do_cfi ./libdude.so.orig ./libdude.so.cfi
+}
+
+clean()
+{
+	rm out
+	rm correct
+	rm -Rf dude.exe peasoup_exe* libfoo.so libfoo.so.orig libfoo.so.cfi libdude.so.* foo.cfi dude.exe.cfi
+}
+
+report ()
+{
+	total=$(expr $passes + $fails)
+	echo "Passes:  $passes / $total"
+	echo "Fails :  $fails / $total"
+}
+
+main()
+{
+	build
+	protect
+	get_correct
+
+#	test dude.exe libfoo.so.orig libdude.so.orig		# unprotected - should pass!
+#	test dude.exe libfoo.so.cfi libdude.so.orig		
+#	test dude.exe libfoo.so.orig libdude.so.cfi		
+#	test dude.exe.cfi libfoo.so.orig libdude.so.orig	
+#	test dude.exe.cfi libfoo.so.cfi libdude.so.orig		
+#	test dude.exe.cfi libfoo.so.orig libdude.so.cfi		
+
+	test dude.exe libfoo.so.cfi libdude.so.cfi		
+#	test dude.exe.cfi libfoo.so.cfi libdude.so.cfi		
+
+	report
+#	clean
+}
+
+passes=0 
+fails=0
+
+main $*

tools/selective_cfi/tests/test_pow.sh

@@ -86,7 +86,7 @@ main()
 	test pow.exe libm.so.6.cfi	5 8	# shared lib only
 	test pow.exe.cfi libm.so.6.cfi	5 8	# both protected
 	report
-	clean
+#	clean
 }
 
 passes=0