linux-kernel - [PATCH] perf annotate: Don't truncate Intel style addresses

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Message-Id: <1408050180-14088-1-git-send-email-aconverse@google.com>
Date:	Thu, 14 Aug 2014 14:03:00 -0700
From:	Alex Converse <aconverse@...gle.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org,
	Andi Kleen <ak@...ux.intel.com>,
	Alex Converse <aconverse@...gle.com>
Subject: [PATCH] perf annotate: Don't truncate Intel style addresses

Instructions like "mov r9,QWORD PTR [rdx+0x8]" were being truncated to
"mov r9,QWORD" by code that assuemd operands cannot have spaces.

Signed-off-by: Alex Converse <aconverse@...gle.com>
---
 tools/perf/util/annotate.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 809b4c5..cc6f72c 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -232,9 +232,16 @@ static int mov__parse(struct ins_operands *ops)
 		return -1;
 
 	target = ++s;
+	comment = strchr(s, '#');
 
-	while (s[0] != '\0' && !isspace(s[0]))
-		++s;
+	if (comment != NULL)
+		s = comment - 1;
+	else
+		s = strchr(s, '\0') - 1;
+
+	while (s > target && isspace(s[0]))
+		--s;
+	s++;
 	prev = *s;
 	*s = '\0';
 
@@ -244,7 +251,6 @@ static int mov__parse(struct ins_operands *ops)
 	if (ops->target.raw == NULL)
 		goto out_free_source;
 
-	comment = strchr(s, '#');
 	if (comment == NULL)
 		return 0;
 
-- 
2.1.0.rc2.206.gedb03e5

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