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Allow Python notification of new object-file loadings.

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* Makefile.in (SUBDIR_PYTHON_SRCS): Add py-newobjfilevent.c.
	(SUBDIR_PYTHON_OBS): Add py-newobjfileevent.o.
	Add build rule for this file.
	* python/py-event.h (emit_new_objfile_event): New prototype.
	(newobjfile): New Python event emitter.
	* python/py-evts.c (gdbpy_initialize_py_events): Add new_objfile to
	Python event registry.
	* python/py-inferior.c: Include objfiles.h
	(python_new_objfile): New function.
	(gdbpy_initialize_inferior): Add python_new_objfile to the new objfile
	observers.
	* python/py-newobjfileevent.c: New file.
	* python-internal.h (gdbpy_initialize_new_objfile_event): New
	prototype.
	* python/python.c (_initialize_python): Add
	gdbpy_initialize_new_objfile_event call.
	* NEWS: Add item for new Python event "gdb.newobjfile"

2011-10-06  Kevin Pouget  <kevin.pouget@st.com>

	Allow Python notification of new object-file loadings.
	* gdb.texinfo (Events In Python): Document `gdb.NewObjFileEvent'
	event type.

2011-10-06  Kevin Pouget  <kevin.pouget@st.com>

	Allow Python notification of new object-file loadings.
	* gdb.python/py-events.exp: Test newobjfile event.
	* gdb.python/py-events.py: Register newobjfile callback.
	* gdb.python/py-events.c: Add call to shared library
	* gdb.python/py-events-shlib.c: New file.
This commit is contained in:
Kevin Pouget 2011-10-07 07:38:30 +00:00
parent 8031b6f821
commit 20c168b519
13 changed files with 127 additions and 5 deletions
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21
gdb/python/py-inferior.c
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@ -22,6 +22,7 @@
#include "gdbcore.h"
#include "gdbthread.h"
#include "inferior.h"
#include "objfiles.h"
#include "observer.h"
#include "python-internal.h"
#include "arch-utils.h"
@ -125,6 +126,25 @@ python_inferior_exit (struct inferior *inf)
do_cleanups (cleanup);
}
/* Callback used to notify Python listeners about new objfiles loaded in the
inferior. */
static void
python_new_objfile (struct objfile *objfile)
{
struct cleanup *cleanup;
if (objfile == NULL)
return;
cleanup = ensure_python_env (get_objfile_arch (objfile), current_language);
if (emit_new_objfile_event (objfile) < 0)
gdbpy_print_stack ();
do_cleanups (cleanup);
}
/* Return a reference to the Python object of type Inferior
representing INFERIOR. If the object has already been created,
return it and increment the reference count, otherwise, create it.
@ -715,6 +735,7 @@ gdbpy_initialize_inferior (void)
observer_attach_normal_stop (python_on_normal_stop);
observer_attach_target_resumed (python_on_resume);
observer_attach_inferior_exit (python_inferior_exit);
observer_attach_new_objfile (python_new_objfile);
membuf_object_type.tp_new = PyType_GenericNew;
if (PyType_Ready (&membuf_object_type) < 0)