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authorDom Cote <buzdelabuz2+git@gmail.com>2016-05-23 16:25:19 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-23 17:04:14 -0700
commitd21d5b9eb0e1e492232a3b56d0cc03bcdaa7ee17 (patch)
tree795756b6102d60b3fff7db6b9b000fb6b4f8503e
parent321958d9710c33e74ec98c0f3c96aa2a5dbe3008 (diff)
scripts/gdb: fix issue with dmesg.py and python 3.X
When built against Python 3, GDB differs in the return type for its read_memory function, causing the lx-dmesg command to fail. Now that we have an improved read_16() we can use the new read_memoryview() abstraction to make lx-dmesg return valid data on both current Python APIs Tested with python 3.4 and 2.7 Tested with gdb 7.7 Link: http://lkml.kernel.org/r/28477b727ff7fe3101fd4e426060e8a68317a639.1462865983.git.jan.kiszka@siemens.com Signed-off-by: Dom Cote <buzdelabuz2+git@gmail.com> [kieran@bingham.xyz: Adjusted commit log to better reflect code changes] Tested-by: Kieran Bingham <kieran@bingham.xyz> (Py2.7,Py3.4,GDB10) Signed-off-by: Kieran Bingham <kieran@bingham.xyz> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--scripts/gdb/linux/dmesg.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py
index 927d0d2a3145..04d6719067f2 100644
--- a/scripts/gdb/linux/dmesg.py
+++ b/scripts/gdb/linux/dmesg.py
@@ -33,11 +33,12 @@ class LxDmesg(gdb.Command):
if log_first_idx < log_next_idx:
log_buf_2nd_half = -1
length = log_next_idx - log_first_idx
- log_buf = inf.read_memory(start, length)
+ log_buf = utils.read_memoryview(inf, start, length).tobytes()
else:
log_buf_2nd_half = log_buf_len - log_first_idx
- log_buf = inf.read_memory(start, log_buf_2nd_half) + \
- inf.read_memory(log_buf_addr, log_next_idx)
+ a = utils.read_memoryview(inf, start, log_buf_2nd_half)
+ b = utils.read_memoryview(inf, log_buf_addr, log_next_idx)
+ log_buf = a.tobytes() + b.tobytes()
pos = 0
while pos < log_buf.__len__():