[Python-checkins] r85647 - in python/branches/release27-maint: Misc/gdbinit
gregory.p.smith
python-checkins at python.org
Sun Oct 17 20:47:43 CEST 2010
Author: gregory.p.smith
Date: Sun Oct 17 20:47:43 2010
New Revision: 85647
Log:
Merged revisions 85646 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
........
r85646 | gregory.p.smith | 2010-10-17 11:38:04 -0700 (Sun, 17 Oct 2010) | 6 lines
* Applys part of the patch from http://bugs.python.org/issue3631 to add
a py_decref macro, fixup the pyo macro and reuse it and avoid a memory
leak introduced by the pylocals macro.
* Adds a note about gdb 7 python debugging support with links for
more info on that.
........
Modified:
python/branches/release27-maint/ (props changed)
python/branches/release27-maint/Misc/gdbinit
Modified: python/branches/release27-maint/Misc/gdbinit
==============================================================================
--- python/branches/release27-maint/Misc/gdbinit (original)
+++ python/branches/release27-maint/Misc/gdbinit Sun Oct 17 20:47:43 2010
@@ -1,5 +1,3 @@
-# -*- ksh -*-
-#
# If you use the GNU debugger gdb to debug the Python C runtime, you
# might find some of the following commands useful. Copy this to your
# ~/.gdbinit file and it'll get loaded into gdb automatically when you
@@ -11,19 +9,36 @@
# address : 84a7a2c
# $1 = void
# (gdb)
+#
+# NOTE: If you have gdb 7 or later, it supports debugging of Python directly
+# with embedded macros that you may find superior to what is in here.
+# See https://fedoraproject.org/wiki/Features/EasierPythonDebugging
+# and http://bugs.python.org/issue8032 for more gdb 7 python information.
+
+# gdb version of Py_DECREF(obj) macro
+define py_decref
+ set $__obj = $arg0
+ set $__obj->ob_refcnt -= 1
+ if ($__obj->ob_refcnt == 0)
+ set $__obj = _Py_Dealloc($__obj)
+ end
+end
# Prints a representation of the object to stderr, along with the
# number of reference counts it current has and the hex address the
# object is allocated at. The argument must be a PyObject*
define pyo
-print _PyObject_Dump($arg0)
+ # side effect of calling _PyObject_Dump is to dump the object's
+ # info - assigning just prevents gdb from printing the
+ # NULL return value
+ set $_unused_void = _PyObject_Dump($arg0)
end
# Prints a representation of the object to stderr, along with the
# number of reference counts it current has and the hex address the
# object is allocated at. The argument must be a PyGC_Head*
define pyg
-print _PyGC_Dump($arg0)
+ print _PyGC_Dump($arg0)
end
# print the local variables of the current frame
@@ -34,10 +49,8 @@
set $_names = co->co_varnames
set $_name = PyString_AsString(PyTuple_GetItem($_names, $_i))
printf "%s:\n", $_name
- # side effect of calling _PyObject_Dump is to dump the object's
- # info - assigning just prevents gdb from printing the
- # NULL return value
- set $_val = _PyObject_Dump(f->f_localsplus[$_i])
+ py_decref $_name
+ pyo f->f_localsplus[$_i]
end
set $_i = $_i + 1
end
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