From 120218afeb74e717adf1397f04ef4ca6a10add03 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 11 Feb 2014 09:34:43 +0100
Subject: [PATCH] runtime: homogenize panic strings on Plan 9

LGTM=rsc
R=rsc
CC=golang-codereviews
https://golang.org/cl/61410046
---
 src/pkg/runtime/os_plan9.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/pkg/runtime/os_plan9.c b/src/pkg/runtime/os_plan9.c
index dd2828b1d9..214cb224ba 100644
--- a/src/pkg/runtime/os_plan9.c
+++ b/src/pkg/runtime/os_plan9.c
@@ -310,6 +310,10 @@ runtime·sigpanic(void)
 {
 	if(g->sigpc == 0)
 		runtime·panicstring("call of nil func value");
+	if(runtime·strcmp((byte*)m->notesig, (byte*)"sys: trap: fault read addr") >= 0 || runtime·strcmp((byte*)m->notesig, (byte*)"sys: trap: fault write addr") >= 0)
+		runtime·panicstring("invalid memory address or nil pointer dereference");
+	if(runtime·strcmp((byte*)m->notesig, (byte*)"sys: trap: divide error") >= 0)
+		runtime·panicstring("integer divide by zero");
 	runtime·panicstring(m->notesig);
 
 	if(g->sig == 1 || g->sig == 2)