lkml.org 
[lkml]   [2018]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/6] perf cs-etm: Introduce invalid address macro
Date
This patch introduces invalid address macro and uses it to replace dummy
value '0xdeadbeefdeadbeefUL'.

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
tools/perf/util/cs-etm-decoder/cs-etm-decoder.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index 4d5fc37..938def6 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -31,6 +31,8 @@
#endif
#endif

+#define CS_ETM_INVAL_ADDR 0xdeadbeefdeadbeefUL
+
struct cs_etm_decoder {
void *data;
void (*packet_printer)(const char *msg);
@@ -261,8 +263,8 @@ static void cs_etm_decoder__clear_buffer(struct cs_etm_decoder *decoder)
decoder->tail = 0;
decoder->packet_count = 0;
for (i = 0; i < MAX_BUFFER; i++) {
- decoder->packet_buffer[i].start_addr = 0xdeadbeefdeadbeefUL;
- decoder->packet_buffer[i].end_addr = 0xdeadbeefdeadbeefUL;
+ decoder->packet_buffer[i].start_addr = CS_ETM_INVAL_ADDR;
+ decoder->packet_buffer[i].end_addr = CS_ETM_INVAL_ADDR;
decoder->packet_buffer[i].last_instr_taken_branch = false;
decoder->packet_buffer[i].exc = false;
decoder->packet_buffer[i].exc_ret = false;
@@ -295,8 +297,8 @@ cs_etm_decoder__buffer_packet(struct cs_etm_decoder *decoder,
decoder->packet_buffer[et].exc = false;
decoder->packet_buffer[et].exc_ret = false;
decoder->packet_buffer[et].cpu = *((int *)inode->priv);
- decoder->packet_buffer[et].start_addr = 0xdeadbeefdeadbeefUL;
- decoder->packet_buffer[et].end_addr = 0xdeadbeefdeadbeefUL;
+ decoder->packet_buffer[et].start_addr = CS_ETM_INVAL_ADDR;
+ decoder->packet_buffer[et].end_addr = CS_ETM_INVAL_ADDR;

if (decoder->packet_count == MAX_BUFFER - 1)
return OCSD_RESP_WAIT;
--
2.7.4
\
 
 \ /
  Last update: 2018-07-11 09:46    [W:0.031 / U:0.760 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site