samples/kprobes: print out the symbol name for the hooks
Print out the symbol name for the hooks, it makes the logs more
readable.
Link: http://lkml.kernel.org/r/1463535417-29637-2-git-send-email-shijie.huang@arm.com
Signed-off-by: Huang Shijie <shijie.huang@arm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Steve Capper <steve.capper@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 2bb190d..ed0ca0c 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -27,24 +27,24 @@
static int handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#ifdef CONFIG_X86
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, ip = %lx,"
+ printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, ip = %lx,"
" flags = 0x%lx\n",
- p->addr, regs->ip, regs->flags);
+ p->symbol_name, p->addr, regs->ip, regs->flags);
#endif
#ifdef CONFIG_PPC
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, nip = 0x%lx,"
+ printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, nip = 0x%lx,"
" msr = 0x%lx\n",
- p->addr, regs->nip, regs->msr);
+ p->symbol_name, p->addr, regs->nip, regs->msr);
#endif
#ifdef CONFIG_MIPS
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, epc = 0x%lx,"
+ printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, epc = 0x%lx,"
" status = 0x%lx\n",
- p->addr, regs->cp0_epc, regs->cp0_status);
+ p->symbol_name, p->addr, regs->cp0_epc, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, pc = 0x%lx,"
+ printk(KERN_INFO "<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx,"
" ex1 = 0x%lx\n",
- p->addr, regs->pc, regs->ex1);
+ p->symbol_name, p->addr, regs->pc, regs->ex1);
#endif
/* A dump_stack() here will give a stack backtrace */
@@ -56,20 +56,20 @@
unsigned long flags)
{
#ifdef CONFIG_X86
- printk(KERN_INFO "post_handler: p->addr = 0x%p, flags = 0x%lx\n",
- p->addr, regs->flags);
+ printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, flags = 0x%lx\n",
+ p->symbol_name, p->addr, regs->flags);
#endif
#ifdef CONFIG_PPC
- printk(KERN_INFO "post_handler: p->addr = 0x%p, msr = 0x%lx\n",
- p->addr, regs->msr);
+ printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, msr = 0x%lx\n",
+ p->symbol_name, p->addr, regs->msr);
#endif
#ifdef CONFIG_MIPS
- printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n",
- p->addr, regs->cp0_status);
+ printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, status = 0x%lx\n",
+ p->symbol_name, p->addr, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
- printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
- p->addr, regs->ex1);
+ printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
+ p->symbol_name, p->addr, regs->ex1);
#endif
}