| Message ID | 1451286455-13121-1-git-send-email-yalin.wang2010@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm/probes/decode-arm.c b/arch/arm/probes/decode-arm.c index f72c33a..ff794c0 100644 --- a/arch/arm/probes/decode-arm.c +++ b/arch/arm/probes/decode-arm.c @@ -20,13 +20,12 @@ #include <linux/module.h> #include <linux/stddef.h> #include <linux/ptrace.h> +#include <linux/bitops.h> #include "decode.h" #include "decode-arm.h" -#define sign_extend(x, signbit) ((x) | (0 - ((x) & (1 << (signbit))))) - -#define branch_displacement(insn) sign_extend(((insn) & 0xffffff) << 2, 25) +#define branch_displacement(insn) sign_extend32(((insn) & 0xffffff) << 2, 25) /* * To avoid the complications of mimicing single-stepping on a
change to use generic sign_extend32() to caaculate branch_displacement. Signed-off-by: yalin wang <yalin.wang2010@gmail.com> --- arch/arm/probes/decode-arm.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)