+tests/userprog/bad-read_SRC = tests/userprog/bad-read.c tests/main.c
+tests/userprog/bad-write_SRC = tests/userprog/bad-write.c tests/main.c
+tests/userprog/bad-jump_SRC = tests/userprog/bad-jump.c tests/main.c
+tests/userprog/bad-read2_SRC = tests/userprog/bad-read2.c tests/main.c
+tests/userprog/bad-write2_SRC = tests/userprog/bad-write2.c tests/main.c
+tests/userprog/bad-jump2_SRC = tests/userprog/bad-jump2.c tests/main.c