samples/kprobes: Add s390 case in kprobe example module

Add info prints in sample kprobe handlers for S/390 Signed-off-by: Johannes Thumshirn <[email protected]> Signed-off-by: Heiko Carstens <[email protected]> Signed-off-by: Martin Schwidefsky <[email protected]>
niw · Sep 28, 2017 · e16c5dd · e16c5dd
1 parent 262832b
commit e16c5dd
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
@@ -47,6 +47,10 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
 			" pstate = 0x%lx\n",
 		p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate);
 #endif
+#ifdef CONFIG_S390
+	pr_info("<%s> pre_handler: p->addr, 0x%p, ip = 0x%lx, flags = 0x%lx\n",
+		p->symbol_name, p->addr, regs->psw.addr, regs->flags);
+#endif
 
 	/* A dump_stack() here will give a stack backtrace */
 	return 0;
@@ -76,6 +80,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
 	pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n",
 		p->symbol_name, p->addr, (long)regs->pstate);
 #endif
+#ifdef CONFIG_S390
+	pr_info("<%s> pre_handler: p->addr, 0x%p, flags = 0x%lx\n",
+		p->symbol_name, p->addr, regs->flags);
+#endif
 }
 
 /*