[REFACTOR] remove dbi_fp_backtrace()

diff --git a/kprobe/arch/asm-arm/dbi_kprobes.h b/kprobe/arch/asm-arm/dbi_kprobes.h
index f5e7425..7260ea3 100644 (file)
--- a/kprobe/arch/asm-arm/dbi_kprobes.h
+++ b/kprobe/arch/asm-arm/dbi_kprobes.h
@@ -114,32 +114,6 @@ static inline void dbi_set_arg(struct pt_regs *regs, int num, unsigned long val)
        regs->uregs[num] = val;
 }
 
-static inline int dbi_fp_backtrace(struct task_struct *task, unsigned long *buf,
-               int max_cnt)
-{
-       int i = 0;
-       struct pt_regs *regs;
-
-       struct {
-               unsigned long next;
-               unsigned long raddr;
-       } frame;
-
-       regs = task_pt_regs(task);
-       frame.next = regs->ARM_fp;
-       frame.raddr = dbi_get_ret_addr(regs);
-
-       while (frame.next && i < max_cnt) {
-               if (read_proc_vm_atomic(task, frame.next - 4, &frame, sizeof(frame))
-                               == sizeof(frame))
-                       buf[i++] = frame.raddr;
-               else
-                       break;
-       }
-
-       return i;
-}
-
 // undefined
 # define MASK_ARM_INSN_UNDEF           0x0FF00000              // xxxx1111 1111xxxx xxxxxxxx xxxxxxxx
 # define PTRN_ARM_INSN_UNDEF           0x03000000              // cccc0011 0000xxxx xxxxxxxx xxxxxxxx