| Message ID | 1423018585-4005-1-git-send-email-long.wanglong@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
(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? > > Signed-off-by: Wang Long <long.wanglong@huawei.com> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@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 > } > > /* >
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.wanglong@huawei.com> > > Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@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 >> } >> >> /* >> > >
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 } /*
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. Signed-off-by: Wang Long <long.wanglong@huawei.com> --- samples/kprobes/kprobe_example.c | 9 +++++++++ 1 file changed, 9 insertions(+)