NR_INSN_TO_PRINT
unsigned long pc = regs->nip - (NR_INSN_TO_PRINT * 3 / 4 * sizeof(int));
for (i = 0; i < NR_INSN_TO_PRINT; i++) {
int n = NR_INSN_TO_PRINT;
pc = regs->nip - (NR_INSN_TO_PRINT * 3 / 4 * sizeof(int));