Issue #11996: libpython (gdb), replace "py-bt" command by "py-bt-full" and add
a smarter "py-bt" command printing a classic Python traceback.
diff --git a/Tools/gdb/libpython.py b/Tools/gdb/libpython.py
index 93b0528..f3cb1b0 100644
--- a/Tools/gdb/libpython.py
+++ b/Tools/gdb/libpython.py
@@ -931,6 +931,15 @@
out.write(')')
+ def print_traceback(self):
+ if self.is_optimized_out():
+ sys.stdout.write(' (frame information optimized out)\n')
+ visited = set()
+ sys.stdout.write(' File "%s", line %i, in %s\n'
+ % (self.co_filename.proxyval(visited),
+ self.current_line_num(),
+ self.co_name.proxyval(visited)))
+
class PySetObjectPtr(PyObjectPtr):
_typename = 'PySetObject'
@@ -1427,6 +1436,17 @@
else:
sys.stdout.write('#%i\n' % self.get_index())
+ def print_traceback(self):
+ if self.is_evalframeex():
+ pyop = self.get_pyop()
+ if pyop:
+ pyop.print_traceback()
+ sys.stdout.write(' %s\n' % pyop.current_line().strip())
+ else:
+ sys.stdout.write(' (unable to read python frame information)\n')
+ else:
+ sys.stdout.write(' (not a python frame)\n')
+
class PyList(gdb.Command):
'''List the current Python source code, if any
@@ -1551,6 +1571,24 @@
PyUp()
PyDown()
+class PyBacktraceFull(gdb.Command):
+ 'Display the current python frame and all the frames within its call stack (if any)'
+ def __init__(self):
+ gdb.Command.__init__ (self,
+ "py-bt-full",
+ gdb.COMMAND_STACK,
+ gdb.COMPLETE_NONE)
+
+
+ def invoke(self, args, from_tty):
+ frame = Frame.get_selected_python_frame()
+ while frame:
+ if frame.is_evalframeex():
+ frame.print_summary()
+ frame = frame.older()
+
+PyBacktraceFull()
+
class PyBacktrace(gdb.Command):
'Display the current python frame and all the frames within its call stack (if any)'
def __init__(self):
@@ -1561,10 +1599,11 @@
def invoke(self, args, from_tty):
+ sys.stdout.write('Traceback (most recent call first):\n')
frame = Frame.get_selected_python_frame()
while frame:
if frame.is_evalframeex():
- frame.print_summary()
+ frame.print_traceback()
frame = frame.older()
PyBacktrace()