From: Namhyung Kim <namhyung....@lge.com>
The print format of s32 type was "ld" and it's casted to "long". So
it turned out to print 4294967295 for "-1" on 64-bit systems. Not
sure whether it worked well on 32-bit systems.
Anyway, it doesn't need to have cast argument at all since it already
casted using type pointer - just get rid of it. Thanks to Oleg for
pointing that out.
And print 0x prefix for unsigned type as it shows hex numbers.
Suggested-by: Oleg Nesterov <o...@redhat.com>
Acked-by: Oleg Nesterov <o...@redhat.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
Cc: Srikar Dronamraju <sri...@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhang...@huawei.com>
Cc: Arnaldo Carvalho de Melo <a...@ghostprotocols.net>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
kernel/trace/trace_probe.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index 412e959..430505b 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -40,23 +40,23 @@ const char *reserved_field_names[] = {
#define PRINT_TYPE_FMT_NAME(type) print_type_format_##type
/* Printing in basic type function template */
-#define DEFINE_BASIC_PRINT_TYPE_FUNC(type, fmt, cast) \
+#define DEFINE_BASIC_PRINT_TYPE_FUNC(type, fmt)
\
static __kprobes int PRINT_TYPE_FUNC_NAME(type)(struct trace_seq *s, \
const char *name, \
- void *data, void *ent)\
+ void *data, void *ent) \
{ \
- return trace_seq_printf(s, " %s=" fmt, name, (cast)*(type *)data);\
+ return trace_seq_printf(s, " %s=" fmt, name, *(type *)data); \
} \
static const char PRINT_TYPE_FMT_NAME(type)[] = fmt;
-DEFINE_BASIC_PRINT_TYPE_FUNC(u8, "%x", unsigned int)
-DEFINE_BASIC_PRINT_TYPE_FUNC(u16, "%x", unsigned int)
-DEFINE_BASIC_PRINT_TYPE_FUNC(u32, "%lx", unsigned long)
-DEFINE_BASIC_PRINT_TYPE_FUNC(u64, "%llx", unsigned long long)
-DEFINE_BASIC_PRINT_TYPE_FUNC(s8, "%d", int)
-DEFINE_BASIC_PRINT_TYPE_FUNC(s16, "%d", int)
-DEFINE_BASIC_PRINT_TYPE_FUNC(s32, "%ld", long)
-DEFINE_BASIC_PRINT_TYPE_FUNC(s64, "%lld", long long)
+DEFINE_BASIC_PRINT_TYPE_FUNC(u8 , "0x%x")
+DEFINE_BASIC_PRINT_TYPE_FUNC(u16, "0x%x")
+DEFINE_BASIC_PRINT_TYPE_FUNC(u32, "0x%x")
+DEFINE_BASIC_PRINT_TYPE_FUNC(u64, "0x%Lx")
+DEFINE_BASIC_PRINT_TYPE_FUNC(s8, "%d")
+DEFINE_BASIC_PRINT_TYPE_FUNC(s16, "%d")
+DEFINE_BASIC_PRINT_TYPE_FUNC(s32, "%d")
+DEFINE_BASIC_PRINT_TYPE_FUNC(s64, "%Ld")
static inline void *get_rloc_data(u32 *dl)
{
--
1.8.4.3
--
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