/* Python interface to inferior function events.
- Copyright (C) 2013-2017 Free Software Foundation, Inc.
+ Copyright (C) 2013-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "py-event.h"
-extern PyTypeObject inferior_call_pre_event_object_type
- CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
-extern PyTypeObject inferior_call_post_event_object_type
- CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
-extern PyTypeObject register_changed_event_object_type
- CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
-extern PyTypeObject memory_changed_event_object_type
- CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
-
/* Construct either a gdb.InferiorCallPreEvent or a
gdb.InferiorCallPostEvent. */
-static PyObject *
+static gdbpy_ref<>
create_inferior_call_event_object (inferior_call_kind flag, ptid_t ptid,
CORE_ADDR addr)
{
- PyObject *event;
- PyObject *ptid_obj = NULL;
- PyObject *addr_obj = NULL;
- int failed;
- struct cleanup *cleanups;
- struct cleanup *member_cleanups;
+ gdbpy_ref<> event;
switch (flag)
{
event = create_event_object (&inferior_call_post_event_object_type);
break;
default:
- return NULL;
+ gdb_assert_not_reached ("invalid inferior_call_kind");
}
- cleanups = make_cleanup_py_decref (event);
-
- ptid_obj = gdbpy_create_ptid_object (ptid);
+ gdbpy_ref<> ptid_obj (gdbpy_create_ptid_object (ptid));
if (ptid_obj == NULL)
- goto fail;
- member_cleanups = make_cleanup_py_decref (ptid_obj);
+ return NULL;
- failed = evpy_add_attribute (event, "ptid", ptid_obj) < 0;
- if (failed)
- goto fail;
+ if (evpy_add_attribute (event.get (), "ptid", ptid_obj.get ()) < 0)
+ return NULL;
- addr_obj = PyLong_FromLongLong (addr);
+ gdbpy_ref<> addr_obj (PyLong_FromLongLong (addr));
if (addr_obj == NULL)
- goto fail;
- make_cleanup_py_decref (addr_obj);
+ return NULL;
- failed = evpy_add_attribute (event, "address", addr_obj) < 0;
- if (failed)
- goto fail;
+ if (evpy_add_attribute (event.get (), "address", addr_obj.get ()) < 0)
+ return NULL;
- do_cleanups (member_cleanups);
- discard_cleanups (cleanups);
return event;
-
- fail:
- do_cleanups (cleanups);
- return NULL;
}
/* Construct a gdb.RegisterChangedEvent containing the affected
register number. */
-static PyObject *
+static gdbpy_ref<>
create_register_changed_event_object (struct frame_info *frame,
int regnum)
{
- PyObject *event;
- PyObject *frame_obj = NULL;
- PyObject *regnum_obj = NULL;
- int failed;
- struct cleanup *cleanups;
- struct cleanup *member_cleanups;
-
- event = create_event_object (®ister_changed_event_object_type);
+ gdbpy_ref<> event = create_event_object (®ister_changed_event_object_type);
if (event == NULL)
return NULL;
- cleanups = make_cleanup_py_decref (event);
-
- frame_obj = frame_info_to_frame_object (frame);
+ gdbpy_ref<> frame_obj (frame_info_to_frame_object (frame));
if (frame_obj == NULL)
- goto fail;
- member_cleanups = make_cleanup_py_decref (frame_obj);
+ return NULL;
- failed = evpy_add_attribute (event, "frame", frame_obj) < 0;
- if (failed)
- goto fail;
+ if (evpy_add_attribute (event.get (), "frame", frame_obj.get ()) < 0)
+ return NULL;
- regnum_obj = PyLong_FromLongLong (regnum);
+ gdbpy_ref<> regnum_obj (PyLong_FromLongLong (regnum));
if (regnum_obj == NULL)
- goto fail;
- make_cleanup_py_decref (regnum_obj);
+ return NULL;
- failed = evpy_add_attribute (event, "regnum", regnum_obj) < 0;
- if (failed)
- goto fail;
+ if (evpy_add_attribute (event.get (), "regnum", regnum_obj.get ()) < 0)
+ return NULL;
- do_cleanups (member_cleanups);
- discard_cleanups (cleanups);
return event;
-
- fail:
- do_cleanups (cleanups);
- return NULL;
}
/* Construct a gdb.MemoryChangedEvent describing the extent of the
affected memory. */
-static PyObject *
+static gdbpy_ref<>
create_memory_changed_event_object (CORE_ADDR addr, ssize_t len)
{
- PyObject *event;
- PyObject *addr_obj = NULL;
- PyObject *len_obj = NULL;
- int failed;
- struct cleanup *cleanups;
- struct cleanup *member_cleanups;
-
- event = create_event_object (&memory_changed_event_object_type);
+ gdbpy_ref<> event = create_event_object (&memory_changed_event_object_type);
if (event == NULL)
return NULL;
- cleanups = make_cleanup_py_decref (event);
- addr_obj = PyLong_FromLongLong (addr);
+ gdbpy_ref<> addr_obj (PyLong_FromLongLong (addr));
if (addr_obj == NULL)
- goto fail;
- member_cleanups = make_cleanup_py_decref (addr_obj);
+ return NULL;
- failed = evpy_add_attribute (event, "address", addr_obj) < 0;
- if (failed)
- goto fail;
+ if (evpy_add_attribute (event.get (), "address", addr_obj.get ()) < 0)
+ return NULL;
- len_obj = PyLong_FromLong (len);
+ gdbpy_ref<> len_obj (PyLong_FromLong (len));
if (len_obj == NULL)
- goto fail;
- make_cleanup_py_decref (len_obj);
+ return NULL;
- failed = evpy_add_attribute (event, "length", len_obj) < 0;
- if (failed)
- goto fail;
+ if (evpy_add_attribute (event.get (), "length", len_obj.get ()) < 0)
+ return NULL;
- do_cleanups (member_cleanups);
- discard_cleanups (cleanups);
return event;
-
- fail:
- do_cleanups (cleanups);
- return NULL;
}
/* Callback function which notifies observers when an event occurs which
emit_inferior_call_event (inferior_call_kind flag, ptid_t thread,
CORE_ADDR addr)
{
- PyObject *event;
-
if (evregpy_no_listeners_p (gdb_py_events.inferior_call))
return 0;
- event = create_inferior_call_event_object (flag, thread, addr);
+ gdbpy_ref<> event = create_inferior_call_event_object (flag, thread, addr);
if (event != NULL)
- return evpy_emit_event (event, gdb_py_events.inferior_call);
+ return evpy_emit_event (event.get (), gdb_py_events.inferior_call);
return -1;
}
int
emit_memory_changed_event (CORE_ADDR addr, ssize_t len)
{
- PyObject *event;
-
if (evregpy_no_listeners_p (gdb_py_events.memory_changed))
return 0;
- event = create_memory_changed_event_object (addr, len);
+ gdbpy_ref<> event = create_memory_changed_event_object (addr, len);
if (event != NULL)
- return evpy_emit_event (event, gdb_py_events.memory_changed);
+ return evpy_emit_event (event.get (), gdb_py_events.memory_changed);
return -1;
}
int
emit_register_changed_event (struct frame_info* frame, int regnum)
{
- PyObject *event;
-
if (evregpy_no_listeners_p (gdb_py_events.register_changed))
return 0;
- event = create_register_changed_event_object (frame, regnum);
+ gdbpy_ref<> event = create_register_changed_event_object (frame, regnum);
if (event != NULL)
- return evpy_emit_event (event, gdb_py_events.register_changed);
+ return evpy_emit_event (event.get (), gdb_py_events.register_changed);
return -1;
}
-
-
-GDBPY_NEW_EVENT_TYPE (inferior_call_pre,
- "gdb.InferiorCallPreEvent",
- "InferiorCallPreEvent",
- "GDB inferior function pre-call event object",
- event_object_type);
-
-GDBPY_NEW_EVENT_TYPE (inferior_call_post,
- "gdb.InferiorCallPostEvent",
- "InferiorCallPostEvent",
- "GDB inferior function post-call event object",
- event_object_type);
-
-GDBPY_NEW_EVENT_TYPE (register_changed,
- "gdb.RegisterChangedEvent",
- "RegisterChangedEvent",
- "GDB register change event object",
- event_object_type);
-
-GDBPY_NEW_EVENT_TYPE (memory_changed,
- "gdb.MemoryChangedEvent",
- "MemoryChangedEvent",
- "GDB memory change event object",
- event_object_type);
projects / deliverable / binutils-gdb.git / blobdiff