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kprobes: Show address of kprobes if kallsyms does

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Show probed address in debugfs kprobe list file as same
as kallsyms does. This information is used for checking
kprobes are placed in the expected address. So it should
be able to compared with address in kallsyms.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: David S . Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jon Medhurst <tixy@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Tobin C . Harding <me@tobin.cc>
Cc: Will Deacon <will.deacon@arm.com>
Cc: acme@kernel.org
Cc: akpm@linux-foundation.org
Cc: brueckner@linux.vnet.ibm.com
Cc: linux-arch@vger.kernel.org
Cc: rostedt@goodmis.org
Cc: schwidefsky@de.ibm.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/lkml/152491896256.9916.1583733714492565296.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Masami Hiramatsu 2018-04-28 21:36:02 +09:00 committed by Ingo Molnar
parent ffb9bd68eb
commit 81365a947d
1 changed files with 9 additions and 5 deletions
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14
kernel/kprobes.c
View File

@ -2226,19 +2226,23 @@ static void report_probe(struct seq_file *pi, struct kprobe *p,
const char *sym, int offset, char *modname, struct kprobe *pp)
{
char *kprobe_type;
void *addr = p->addr;
if (p->pre_handler == pre_handler_kretprobe)
kprobe_type = "r";
else
kprobe_type = "k";
if (!kallsyms_show_value())
addr = NULL;
if (sym)
seq_printf(pi, "%p %s %s+0x%x %s ",
p->addr, kprobe_type, sym, offset,
seq_printf(pi, "%px %s %s+0x%x %s ",
addr, kprobe_type, sym, offset,
(modname ? modname : " "));
else
seq_printf(pi, "%p %s %p ",
p->addr, kprobe_type, p->addr);
else /* try to use %pS */
seq_printf(pi, "%px %s %pS ",
addr, kprobe_type, p->addr);
if (!pp)
pp = p;