Added functions, beginning with MOVW instruction, instrumentation

diff --git a/kprobe/arch/asm-arm/dbi_kprobes.h b/kprobe/arch/asm-arm/dbi_kprobes.h
index add5a6e..52d315b 100644 (file)
--- a/kprobe/arch/asm-arm/dbi_kprobes.h
+++ b/kprobe/arch/asm-arm/dbi_kprobes.h
@@ -138,8 +138,8 @@ static inline int dbi_fp_backtrace(struct task_struct *task, unsigned long *buf,
 #define NOTIFIER_CALL_CHAIN_INDEX       3
 
 // undefined
-# define MASK_ARM_INSN_UNDEF           0x0FF00000
-# define PTRN_ARM_INSN_UNDEF           0x03000000
+# define MASK_ARM_INSN_UNDEF           0x0FF00000              // xxxx1111 1111xxxx xxxxxxxx xxxxxxxx
+# define PTRN_ARM_INSN_UNDEF           0x03000000              // cccc0011 0000xxxx xxxxxxxx xxxxxxxx
 
 # define MASK_THUMB_INSN_UNDEF         0xFE00                  // 11111111xxxxxxxx
 # define PTRN_THUMB_INSN_UNDEF         0xDE00                  // 11011110xxxxxxxx