From ffb0199247c2c748887f0782538545c75a304f88 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Wed, 13 Apr 2016 01:08:13 +0200
Subject: ktrace: sign extend stack dump pc for amd64

---
 sys/src/cmd/ktrace.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sys/src/cmd/ktrace.c b/sys/src/cmd/ktrace.c
index 1b9ab8bdc..d816d57e5 100644
--- a/sys/src/cmd/ktrace.c
+++ b/sys/src/cmd/ktrace.c
@@ -379,6 +379,11 @@ getval(uvlong a)
 			return 0;
 		buf[n] = '\0';
 		r = strtoull(buf, 0, 16);
+		switch(fhdr.magic){
+		case S_MAGIC:
+			r = (long)r;	// sign extend
+			break;
+		}
 	}else{
 		r = 0;
 		for(i=0; i<naddr; i++)
-- 
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