linux-kernel - [PATCH 7/8] tools, perf: Make srcline output address with -v

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 PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

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

Date:	Mon, 15 Sep 2014 16:54:32 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	peterz@...radead.org
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org, eranian@...gle.com,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 7/8] tools, perf: Make srcline output address with -v

From: Andi Kleen <ak@...ux.intel.com>

When -v is specified always print the hex address for the srcline.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/perf/util/srcline.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 36a7aff..a22be7c 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -258,6 +258,12 @@ char *get_srcline(struct dso *dso, unsigned long addr, struct symbol *sym,
 	unsigned line = 0;
 	char *srcline;
 	const char *dso_name;
+	char astr[50];
+
+	if (verbose)
+		snprintf(astr, sizeof astr, " %#lx", addr);
+	else
+		astr[0] = 0;
 
 	if (!dso->has_srcline)
 		goto out;
@@ -276,7 +282,12 @@ char *get_srcline(struct dso *dso, unsigned long addr, struct symbol *sym,
 	if (!addr2line(dso_name, addr, &file, &line, dso))
 		goto out;
 
-	if (asprintf(&srcline, "%s:%u", basename(file), line) < 0) {
+	if (line == 0) {
+		free(file);
+		goto fallback;
+	}
+
+	if (asprintf(&srcline, "%s:%u%s", basename(file), line, astr) < 0) {
 		free(file);
 		goto out;
 	}
@@ -291,9 +302,10 @@ out:
 		dso->has_srcline = 0;
 		dso__free_a2l(dso);
 	}
+fallback:
 	if (sym) {
-		if (asprintf(&srcline, "%s+%ld", show_sym ? sym->name : "",
-					addr - sym->start) < 0)
+		if (asprintf(&srcline, "%s+%ld%s", show_sym ? sym->name : "",
+					addr - sym->start, astr) < 0)
 			return SRCLINE_UNKNOWN;
 	} else if (asprintf(&srcline, "%s[%lx]", dso->short_name, addr) < 0)
 		return SRCLINE_UNKNOWN;
-- 
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/