tile: support kprobes on tilegx

This change includes support for Kprobes, Jprobes and Return Probes.

Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Tony Lu <zlu@tilera.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index ebf5e0c368ea..366db1a9fb65 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -37,6 +37,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
                         " status = 0x%lx\n",
                 p->addr, regs->cp0_epc, regs->cp0_status);
 #endif
+#ifdef CONFIG_TILEGX
+        printk(KERN_INFO "pre_handler: p->addr = 0x%p, pc = 0x%lx,"
+                        " ex1 = 0x%lx\n",
+                p->addr, regs->pc, regs->ex1);
+#endif
 
         /* A dump_stack() here will give a stack backtrace */
         return 0;
@@ -58,6 +63,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
         printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n",
                 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);
+#endif
 }
 
 /*