* 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.
+2011-10-07 Kevin Pouget <kevin.pouget@st.com>
+
+ Allow Python notification of new object-file loadings.
+ * 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"
+
+2011-10-07 Kevin Pouget <kevin.pouget@st.com>
+
+ Allow Python notification of new object-file loadings.
+ * gdb.texinfo (Events In Python): Document `gdb.NewObjFileEvent'
+ event type.
+
+2011-10-07 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.
+
2011-10-05 Tristan Gingold <gingold@adacore.com>
* ada-tasks.c (read_atcb): Make ravenscar_task_name static.
py-inferior.o \
py-infthread.o \
py-lazy-string.o \
+ py-newobjfileevent.o \
py-objfile.o \
py-param.o \
py-prettyprint.o \
python/py-inferior.c \
python/py-infthread.c \
python/py-lazy-string.c \
+ python/py-newobjfileevent.c \
python/py-objfile.c \
python/py-param.c \
python/py-prettyprint.c \
$(COMPILE) $(PYTHON_CFLAGS) $(srcdir)/python/py-lazy-string.c
$(POSTCOMPILE)
+py-newobjfileevent.o: $(srcdir)/python/py-newobjfileevent.c
+ $(COMPILE) $(PYTHON_CFLAGS) $(srcdir)/python/py-newobjfileevent.c
+ $(POSTCOMPILE)
+
py-objfile.o: $(srcdir)/python/py-objfile.c
$(COMPILE) $(PYTHON_CFLAGS) $(srcdir)/python/py-objfile.c
$(POSTCOMPILE)
For example, "some_type['myfield']" now works, as does
"some_type.items()".
+ ** A new event "gdb.new_objfile" has been added, triggered by loading a
+ new object file.
+
* libthread-db-search-path now supports two special values: $sdir and $pdir.
$sdir specifies the default system locations of shared libraries.
$pdir specifies the directory where the libpthread used by the application
@end defvar
@end table
+@item events.new_objfile
+Emits @code{gdb.NewObjFileEvent} which indicates that a new object file has
+been loaded by @value{GDBN}. @code{gdb.NewObjFileEvent} has one attribute:
+
+@table @code
+@defvar NewObjFileEvent.new_objfile
+A reference to the object file (@code{gdb.Objfile}) which has been loaded.
+@xref{Objfiles In Python}, for details of the @code{gdb.Objfile} object.
+@end defvar
+@end table
+
@end table
@node Threads In Python
extern PyObject *create_event_object (PyTypeObject *py_type);
extern PyObject *create_thread_event_object (PyTypeObject *py_type);
+extern int emit_new_objfile_event (struct objfile *objfile);
extern void evpy_dealloc (PyObject *self);
extern int evpy_add_attribute (PyObject *event,
eventregistry_object *stop;
eventregistry_object *cont;
eventregistry_object *exited;
+ eventregistry_object *new_objfile;
PyObject *module;
if (add_new_registry (&gdb_py_events.exited, "exited") < 0)
goto fail;
+ if (add_new_registry (&gdb_py_events.new_objfile, "new_objfile") < 0)
+ goto fail;
+
Py_INCREF (gdb_py_events.module);
if (PyModule_AddObject (gdb_module,
"events",
#include "gdbcore.h"
#include "gdbthread.h"
#include "inferior.h"
+#include "objfiles.h"
#include "observer.h"
#include "python-internal.h"
#include "arch-utils.h"
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.
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)
void gdbpy_initialize_continue_event (void);
void gdbpy_initialize_exited_event (void);
void gdbpy_initialize_thread_event (void);
+void gdbpy_initialize_new_objfile_event (void);
struct cleanup *make_cleanup_py_decref (PyObject *py);
gdbpy_initialize_continue_event ();
gdbpy_initialize_exited_event ();
gdbpy_initialize_thread_event ();
+ gdbpy_initialize_new_objfile_event () ;
observer_attach_before_prompt (before_prompt_hook);
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+extern void do_nothing (void);
+
int second(){
fork() ;
return 12;
}
int main (){
+ do_nothing();
return first();
}
load_lib gdb-python.exp
+set libfile "py-events-shlib"
+set libsrc $srcdir/$subdir/$libfile.c
+set lib_sl $objdir/$subdir/$libfile.so
+set lib_opts debug
+
set testfile "py-events"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
+set exec_opts [list debug shlib=$lib_sl]
set pyfile ${srcdir}/${subdir}/${testfile}.py
-if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
+if [get_compiler_info ${binfile}] {
return -1
}
+if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
+ || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != ""} {
+ untested "Could not compile either $libsrc or $srcdir/$subdir/$srcfile."
+ return -1
+}
+
+# Start with a fresh gdb.
+clean_restart ${testfile}
+
if { [skip_python_tests] } { continue }
gdb_test_no_output "python execfile ('${pyfile}')" ""
-if ![runto_main ] then {
- fail "Can't run to main"
- return -1
-}
+gdb_test "Test_Newobj_Events" "New ObjectFile Event tester registered." "Register new objfile event handler"
+
+gdb_breakpoint "main" {temporary}
+
+gdb_test "run" ".*event type: new_objfile.*new objfile name.*" "New objfile notification"
gdb_test_no_output "set detach-on-fork off" ""
if ( event.inferior_thread is not None) :
print "thread num: %s" % (event.inferior_thread.num);
+def new_objfile_handler (event):
+ if (isinstance (event, gdb.NewObjFileEvent)):
+ print "event type: new_objfile"
+ if (event.new_objfile is not None):
+ print "new objfile name: %s" % (event.new_objfile.filename)
+ else:
+ print "new objfile is None"
+
class test_events (gdb.Command):
"""Test events."""
print "Event testers registered."
test_events ()
+
+class test_newobj_events (gdb.Command):
+ """NewObj events."""
+
+ def __init__ (self):
+ gdb.Command.__init__ (self, "test_newobj_events", gdb.COMMAND_STACK)
+
+ def invoke (self, arg, from_tty):
+ gdb.events.new_objfile.connect (new_objfile_handler)
+ print "New ObjectFile Event tester registered."
+
+test_newobj_events ()
projects / binutils-gdb.git / commitdiff