linux-kernel - [PATCH v5 6/7] perf annotate: Support jump instruction with target as second operand

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 19 Aug 2016 10:59:05 +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 6/7] perf annotate: Support jump instruction with target as second operand

Current perf is not able to parse jump instruction when second operand
contains target address. Arch like powerpc has such instructions. For
example, 'beq  cr7,10173e60'.

Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
---
Changes in v5:
  - New patch

 tools/perf/util/annotate.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 4a4a583..678fb81 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -117,8 +117,12 @@ static int jump__parse(struct ins_operands *ops,
 		       const char *norm_arch __maybe_unused)
 {
 	const char *s = strchr(ops->raw, '+');
+	const char *c = strchr(ops->raw, ',');
 
-	ops->target.addr = strtoull(ops->raw, NULL, 16);
+	if (c++ != NULL)
+		ops->target.addr = strtoull(c, NULL, 16);
+	else
+		ops->target.addr = strtoull(ops->raw, NULL, 16);
 
 	if (s++ != NULL)
 		ops->target.offset = strtoull(s, NULL, 16);
-- 
2.5.5