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Ip=[4.158.2.129]; Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF00000192.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: FRWPR08MB11633 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org Python extension objects that support __dict__ must inherit from gdbpy_dict_wrapper, a wrapper class that stores the PyObject corresponding to the __dict__ attribute. Because this dictionary is not managed directly by Python, each extension objects must provide appropriate accessors so that attributes stored in __dict__ are looked up correctly. Currently, management of this dictionary is not centralized, and each Python extension object implements its own logic to create, access, and destroy it. A previous patch centralized the creation logic; this patch focuses on centralizing the access to the dictionary. It introduces two new macros: - gdbpy_dict_wrapper_cfg_dict_getter, which defines a getter for __dict__. - gdbpy_dict_wrapper_getsetattro, which sets tp_getattro and tp_setattro in PyTypeObject to gdb_py_generic_getattro and gdb_py_generic_setattro, respectively. These helpers already centralizes attribute access for Python extension objects having a __dict__. Note: this macro will eventually be removed once Python extension types are migrated to heap-allocated types. --- gdb/python/py-corefile.c | 6 ++---- gdb/python/py-event.c | 6 ++---- gdb/python/py-inferior.c | 6 ++---- gdb/python/py-infthread.c | 6 ++---- gdb/python/py-objfile.c | 6 ++---- gdb/python/py-progspace.c | 6 ++---- gdb/python/py-ref.h | 18 ++++++++++++++++-- gdb/python/py-type.c | 8 +++----- 8 files changed, 31 insertions(+), 31 deletions(-) diff --git a/gdb/python/py-corefile.c b/gdb/python/py-corefile.c index 0c2821cb07e..1daeabb5915 100644 --- a/gdb/python/py-corefile.c +++ b/gdb/python/py-corefile.c @@ -500,8 +500,7 @@ GDBPY_INITIALIZE_FILE (gdbpy_initialize_corefile); static gdb_PyGetSetDef corefile_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, nullptr, - "The __dict__ for the gdb.Corefile.", nullptr }, + gdbpy_dict_wrapper_cfg_dict_getter ("corefile"), { "filename", cfpy_get_filename, nullptr, "The filename of a valid Corefile object.", nullptr }, { nullptr } @@ -537,8 +536,7 @@ PyTypeObject corefile_object_type = 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ - gdb_py_generic_getattro, /*tp_getattro*/ - gdb_py_generic_setattro, /*tp_setattro*/ + gdbpy_dict_wrapper_getsetattro, 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ "GDB corefile object", /* tp_doc */ diff --git a/gdb/python/py-event.c b/gdb/python/py-event.c index 8192d1cefa0..a7aa46dcb6f 100644 --- a/gdb/python/py-event.c +++ b/gdb/python/py-event.c @@ -100,8 +100,7 @@ GDBPY_INITIALIZE_FILE (gdbpy_initialize_event); static gdb_PyGetSetDef event_object_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, NULL, - "The __dict__ for this event.", NULL }, + gdbpy_dict_wrapper_cfg_dict_getter ("event"), { NULL } }; @@ -123,8 +122,7 @@ PyTypeObject event_object_type = 0, /* tp_hash */ 0, /* tp_call */ 0, /* tp_str */ - gdb_py_generic_getattro, /* tp_getattro */ - gdb_py_generic_setattro, /* tp_setattro */ + gdbpy_dict_wrapper_getsetattro, 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ "GDB event object", /* tp_doc */ diff --git a/gdb/python/py-inferior.c b/gdb/python/py-inferior.c index eaf224fe808..8df692f2545 100644 --- a/gdb/python/py-inferior.c +++ b/gdb/python/py-inferior.c @@ -1087,8 +1087,7 @@ GDBPY_INITIALIZE_FILE (gdbpy_initialize_inferior); static gdb_PyGetSetDef inferior_object_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, nullptr, - "The __dict__ for this inferior.", nullptr }, + gdbpy_dict_wrapper_cfg_dict_getter ("inferior"), { "arguments", infpy_get_args, infpy_set_args, "Arguments to this program.", nullptr }, { "num", infpy_get_num, NULL, "ID of inferior, as assigned by GDB.", NULL }, @@ -1170,8 +1169,7 @@ PyTypeObject inferior_object_type = 0, /* tp_hash */ 0, /* tp_call */ 0, /* tp_str */ - gdb_py_generic_getattro, /* tp_getattro */ - gdb_py_generic_setattro, /* tp_setattro */ + gdbpy_dict_wrapper_getsetattro, 0, /* tp_as_buffer */ Py_TPFLAGS_DEFAULT, /* tp_flags */ "GDB inferior object", /* tp_doc */ diff --git a/gdb/python/py-infthread.c b/gdb/python/py-infthread.c index 7afec0112fb..ae58936d99b 100644 --- a/gdb/python/py-infthread.c +++ b/gdb/python/py-infthread.c @@ -415,8 +415,7 @@ GDBPY_INITIALIZE_FILE (gdbpy_initialize_thread); static gdb_PyGetSetDef thread_object_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, nullptr, - "The __dict__ for this thread.", nullptr }, + gdbpy_dict_wrapper_cfg_dict_getter ("thread"), { "name", thpy_get_name, thpy_set_name, "The name of the thread, as set by the user or the OS.", NULL }, { "details", thpy_get_details, NULL, @@ -479,8 +478,7 @@ PyTypeObject thread_object_type = 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ - gdb_py_generic_getattro, /*tp_getattro*/ - gdb_py_generic_setattro, /*tp_setattro*/ + gdbpy_dict_wrapper_getsetattro, 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ "GDB thread object", /* tp_doc */ diff --git a/gdb/python/py-objfile.c b/gdb/python/py-objfile.c index daf1b44747c..0002425f2c8 100644 --- a/gdb/python/py-objfile.c +++ b/gdb/python/py-objfile.c @@ -725,8 +725,7 @@ Look up a static-linkage global symbol in this objfile and return it." }, static gdb_PyGetSetDef objfile_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, NULL, - "The __dict__ for this objfile.", NULL }, + gdbpy_dict_wrapper_cfg_dict_getter ("objfile"), { "filename", objfpy_get_filename, NULL, "The objfile's filename, or None.", NULL }, { "username", objfpy_get_username, NULL, @@ -771,8 +770,7 @@ PyTypeObject objfile_object_type = 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ - gdb_py_generic_getattro, /*tp_getattro*/ - gdb_py_generic_setattro, /*tp_setattro*/ + gdbpy_dict_wrapper_getsetattro, 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ "GDB objfile object", /* tp_doc */ diff --git a/gdb/python/py-progspace.c b/gdb/python/py-progspace.c index d1a8479588f..37b92a64634 100644 --- a/gdb/python/py-progspace.c +++ b/gdb/python/py-progspace.c @@ -751,8 +751,7 @@ GDBPY_INITIALIZE_FILE (gdbpy_initialize_pspace); static gdb_PyGetSetDef pspace_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, NULL, - "The __dict__ for this progspace.", NULL }, + gdbpy_dict_wrapper_cfg_dict_getter ("progspace"), { "filename", pspy_get_filename, NULL, "The filename of the progspace's main symbol file, or None.", nullptr }, { "symbol_file", pspy_get_symbol_file, nullptr, @@ -814,8 +813,7 @@ PyTypeObject pspace_object_type = 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ - gdb_py_generic_getattro, /*tp_getattro*/ - gdb_py_generic_setattro, /*tp_setattro*/ + gdbpy_dict_wrapper_getsetattro, 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ "GDB progspace object", /* tp_doc */ diff --git a/gdb/python/py-ref.h b/gdb/python/py-ref.h index f0cdb38498e..b2e3b87e59f 100644 --- a/gdb/python/py-ref.h +++ b/gdb/python/py-ref.h @@ -50,8 +50,7 @@ template using gdbpy_ref Access to the dict requires a custom getter defined via PyGetSetDef. gdb_PyGetSetDef my_object_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, nullptr, - "The __dict__ for this object.", nullptr }, + gdbpy_dict_wrapper_cfg_dict_getter ("object"), ... { nullptr } }; @@ -78,6 +77,21 @@ struct gdbpy_dict_wrapper : public PyObject return &wrapper->dict; } + #define gdbpy_dict_wrapper_cfg_dict_getter(object_name) \ + { \ + "__dict__", /* name */ \ + (getter) gdb_py_generic_dict_getter, \ + (setter) nullptr, \ + "The __dict__ for this " object_name ".", /* doc */ \ + nullptr, /* closure */ \ + } + + #define gdbpy_dict_wrapper_getsetattro\ + /*tp_getattro*/ \ + gdb_py_generic_getattro, \ + /*tp_setattro*/ \ + gdb_py_generic_setattro + bool allocate_dict () { diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c index 0893da5aec9..263d48a9365 100644 --- a/gdb/python/py-type.c +++ b/gdb/python/py-type.c @@ -1700,9 +1700,8 @@ PyTypeObject type_object_type = static gdb_PyGetSetDef field_object_getset[] = { - { "__dict__", gdb_py_generic_dict_getter, NULL, - "The __dict__ for this field.", NULL }, - { NULL } + gdbpy_dict_wrapper_cfg_dict_getter ("field"), + { nullptr } }; PyTypeObject field_object_type = @@ -1723,8 +1722,7 @@ PyTypeObject field_object_type = 0, /*tp_hash */ 0, /*tp_call*/ 0, /*tp_str*/ - gdb_py_generic_getattro, /*tp_getattro*/ - gdb_py_generic_setattro, /*tp_setattro*/ + gdbpy_dict_wrapper_getsetattro, 0, /*tp_as_buffer*/ Py_TPFLAGS_DEFAULT, /*tp_flags*/ "GDB field object", /* tp_doc */ -- 2.53.0