* Re: [PATCH -tip/perf/core ] perf probe: Allow of casting an array of char to string
2012-09-11 8:00 ` [PATCH -tip/perf/core ] perf probe: Allow of casting an array of char to string Hyeoncheol Lee
@ 2012-09-11 10:18 ` Namhyung Kim
2013-01-11 5:03 ` Arnaldo Carvalho de Melo
2013-01-25 11:36 ` [tip:perf/core] " tip-bot for Hyeoncheol Lee
1 sibling, 1 reply; 4+ messages in thread
From: Namhyung Kim @ 2012-09-11 10:18 UTC (permalink / raw)
To: Hyeoncheol Lee; +Cc: linux-kernel, Arnaldo Carvalho de Melo
Hi Hyeoncheol,
Please CC the perf maintainers - at least Arnaldo for perf tools - next time.
Thanks,
Namhyung
On Tue, 11 Sep 2012 17:00:54 +0900, Hyeoncheol Lee wrote:
> Before casting a type of a variable to string,
> convert_variable_type() confirms that the type is a pointer or
> an array. then if it is a pointer to char, it is casted to string.
> but in case of an array of char, it isn't
>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
> Signed-off-by: H.C. Lee <hyc.lee@gmail.com>
> ---
> tools/perf/util/probe-finder.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
> index d448984..94a00de 100644
> --- a/tools/perf/util/probe-finder.c
> +++ b/tools/perf/util/probe-finder.c
> @@ -413,12 +413,12 @@ static int convert_variable_type(Dwarf_Die *vr_die,
> dwarf_diename(vr_die), dwarf_diename(&type));
> return -EINVAL;
> }
> + if (die_get_real_type(&type, &type) == NULL) {
> + pr_warning("Failed to get a type"
> + " information.\n");
> + return -ENOENT;
> + }
> if (ret == DW_TAG_pointer_type) {
> - if (die_get_real_type(&type, &type) == NULL) {
> - pr_warning("Failed to get a type"
> - " information.\n");
> - return -ENOENT;
> - }
> while (*ref_ptr)
> ref_ptr = &(*ref_ptr)->next;
> /* Add new reference with offset +0 */
> --
> 1.7.1
^ permalink raw reply [flat|nested] 4+ messages in thread* [tip:perf/core] perf probe: Allow of casting an array of char to string
2012-09-11 8:00 ` [PATCH -tip/perf/core ] perf probe: Allow of casting an array of char to string Hyeoncheol Lee
2012-09-11 10:18 ` Namhyung Kim
@ 2013-01-25 11:36 ` tip-bot for Hyeoncheol Lee
1 sibling, 0 replies; 4+ messages in thread
From: tip-bot for Hyeoncheol Lee @ 2013-01-25 11:36 UTC (permalink / raw)
To: linux-tip-commits
Cc: acme, linux-kernel, paulus, mingo, hpa, mingo, hyc.lee,
a.p.zijlstra, masami.hiramatsu.pt, srikar, tglx
Commit-ID: 7ce28b5b5b320e26ac6a0e352d5005bce3530e05
Gitweb: http://git.kernel.org/tip/7ce28b5b5b320e26ac6a0e352d5005bce3530e05
Author: Hyeoncheol Lee <hyc.lee@gmail.com>
AuthorDate: Tue, 11 Sep 2012 16:57:28 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 24 Jan 2013 16:40:20 -0300
perf probe: Allow of casting an array of char to string
Before casting a type of a variable to string, convert_variable_type()
confirms that the type is a pointer or an array. then if it is a pointer
to char, it is casted to string. but in case of an array of char, it
isn't
Signed-off-by: H.C. Lee <hyc.lee@gmail.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/CANFS6bb75e8a_UtyAD9yF73hfXDy0N8tSjDz=a+Vna=Y8ORMHg@mail.gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/probe-finder.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 1daf5c1..be03293 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -413,12 +413,12 @@ static int convert_variable_type(Dwarf_Die *vr_die,
dwarf_diename(vr_die), dwarf_diename(&type));
return -EINVAL;
}
+ if (die_get_real_type(&type, &type) == NULL) {
+ pr_warning("Failed to get a type"
+ " information.\n");
+ return -ENOENT;
+ }
if (ret == DW_TAG_pointer_type) {
- if (die_get_real_type(&type, &type) == NULL) {
- pr_warning("Failed to get a type"
- " information.\n");
- return -ENOENT;
- }
while (*ref_ptr)
ref_ptr = &(*ref_ptr)->next;
/* Add new reference with offset +0 */
^ permalink raw reply [flat|nested] 4+ messages in thread