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kprobes: Add arm64 case in kprobe example module
Add info prints in sample kprobe handlers for ARM64 Signed-off-by: Sandeepa Prabhu <sandeepa.s.prabhu@gmail.com> Signed-off-by: David A. Long <dave.long@linaro.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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@ -46,6 +46,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
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" ex1 = 0x%lx\n",
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p->symbol_name, p->addr, regs->pc, regs->ex1);
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#endif
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#ifdef CONFIG_ARM64
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pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx,"
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" pstate = 0x%lx\n",
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p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate);
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#endif
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/* A dump_stack() here will give a stack backtrace */
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return 0;
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@ -71,6 +76,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
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printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
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p->symbol_name, p->addr, regs->ex1);
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#endif
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#ifdef CONFIG_ARM64
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pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n",
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p->symbol_name, p->addr, (long)regs->pstate);
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#endif
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}
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/*
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