On 2015/2/4 11:17, Masami Hiramatsu wrote: > (2015/02/04 11:56), Wang Long wrote: >> This KProbes example is a little useless if it doesn't print anything. >> For ARM print similar messages to those produced on x86 and PPC. > > BTW, I guess similar update required for s390, doesn't it? >
yes, because i am not familiar with s390, someone else may update this example for s390. Best Regards Wang Long >> >> Signed-off-by: Wang Long <long.wangl...@huawei.com> > > Acked-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> > > Thank you! > >> --- >> samples/kprobes/kprobe_example.c | 9 +++++++++ >> 1 file changed, 9 insertions(+) >> >> diff --git a/samples/kprobes/kprobe_example.c >> b/samples/kprobes/kprobe_example.c >> index 366db1a..eba9f1a 100644 >> --- a/samples/kprobes/kprobe_example.c >> +++ b/samples/kprobes/kprobe_example.c >> @@ -42,6 +42,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs >> *regs) >> " ex1 = 0x%lx\n", >> p->addr, regs->pc, regs->ex1); >> #endif >> +#ifdef CONFIG_ARM >> + printk(KERN_INFO "pre_handler: p->addr = 0x%p, ARM_pc = 0x%lx," >> + " ARM_cpsr = 0x%lx\n", >> + p->addr, regs->ARM_pc, regs->ARM_cpsr); >> +#endif >> >> /* A dump_stack() here will give a stack backtrace */ >> return 0; >> @@ -67,6 +72,10 @@ static void handler_post(struct kprobe *p, struct pt_regs >> *regs, >> printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", >> p->addr, regs->ex1); >> #endif >> +#ifdef CONFIG_ARM >> + printk(KERN_INFO "post_handler: p->addr = 0x%p, ARM_cpsr = 0x%lx\n", >> + p->addr, regs->ARM_cpsr); >> +#endif >> } >> >> /* >> > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
