linux-kernel - [PATCH v5 5/7] perf annotate: Show raw form for jump instruction with indirect target

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Message-Id: <1471584546-11080-6-git-send-email-ravi.bangoria@linux.vnet.ibm.com>
Date:   Fri, 19 Aug 2016 10:59:04 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        acme@...nel.org
Cc:     peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, treeze.taeung@...il.com,
        naveen.n.rao@...ux.vnet.ibm.com, markus@...ppelsdorf.de,
        chris.ryder@....com, pawel.moll@....com, mhiramat@...nel.org,
        rmk+kernel@....linux.org.uk, jolsa@...nel.org, mpe@...erman.id.au,
        hemant@...ux.vnet.ibm.com, namhyung@...nel.org,
        Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
Subject: [PATCH v5 5/7] perf annotate: Show raw form for jump instruction with indirect target

For jump instructions that does not include target address as direct
operand, use raw value for that. This is needed for certain powerpc
jump instructions that use target address in a register (such as bctr,
btar, ...).

Suggested-by: Michael Ellerman <mpe@...erman.id.au>
Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
---
Changes in v5:
  - New patch introduced to annotate jump instruction with indirect target

 tools/perf/util/annotate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 6368ba9..4a4a583 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -131,6 +131,9 @@ static int jump__parse(struct ins_operands *ops,
 static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
 			   struct ins_operands *ops)
 {
+	if (!ops->target.addr)
+		return ins__raw_scnprintf(ins, bf, size, ops);
+
 	return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset);
 }
 
-- 
2.5.5