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Subject[PATCH RFC 6/6] kprobes: Add cases for arm and arm64 in sample module
Date
Add info prints in sample kprobe handlers for ARM and ARM64
architecture.

Signed-off-by: Sandeepa Prabhu <sandeepa.prabhu@linaro.org>
---
samples/kprobes/kprobe_example.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 366db1a..0521246 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -42,6 +42,14 @@ 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, pc = 0x%lx\n",
+ p->addr, regs->ARM_pc);
+#endif
+#ifdef CONFIG_ARM64
+ printk(KERN_INFO "pre_handler: p->addr = 0x%p, pc = 0x%lx\n",
+ p->addr, (long)regs->pc);
+#endif

/* A dump_stack() here will give a stack backtrace */
return 0;
@@ -67,6 +75,14 @@ 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, pc = 0x%lx\n",
+ p->addr, regs->ARM_pc);
+#endif
+#ifdef CONFIG_ARM64
+ printk(KERN_INFO "post_handler: p->addr = 0x%p, pc = 0x%lx\n",
+ p->addr, (long)regs->pc);
+#endif
}

/*
--
1.8.1.2


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