ARM: kprobes: Add ARM instruction simulation test cases

Signed-off-by: NJon Medhurst <tixy@yxit.co.uk>
Acked-by: NNicolas Pitre <nicolas.pitre@linaro.org>

arch/arm/kernel/Makefile

@@ -47,6 +47,8 @@ obj-$(CONFIG_ARM_KPROBES_TEST)	+= test-kprobes.o
 test-kprobes-objs		:= kprobes-test.o
 ifdef CONFIG_THUMB2_KERNEL
 test-kprobes-objs		+= kprobes-test-thumb.o
+else
+test-kprobes-objs		+= kprobes-test-arm.o
 endif
 obj-$(CONFIG_ATAGS_PROC)	+= atags.o
 obj-$(CONFIG_OABI_COMPAT)	+= sys_oabi-compat.o

arch/arm/kernel/kprobes-test.c

@@ -1139,6 +1139,11 @@ static int __init run_all_tests(void)
 	if (ret)
 		goto out;
 
+	pr_info("ARM instruction simulation\n");
+	ret = run_test_cases(kprobe_arm_test_cases);
+	if (ret)
+		goto out;
+
 #else /* CONFIG_THUMB2_KERNEL */
 
 	pr_info("Probe 16-bit Thumb code\n");

arch/arm/kernel/kprobes-test.h

@@ -387,4 +387,6 @@ struct test_arg_end {
 #ifdef CONFIG_THUMB2_KERNEL
 void kprobe_thumb16_test_cases(void);
 void kprobe_thumb32_test_cases(void);
+#else
+void kprobe_arm_test_cases(void);
 #endif