1 /* Python interface to new object file loading events. 2 3 Copyright (C) 2011-2019 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #include "defs.h" 21 #include "py-event.h" 22 23 static gdbpy_ref<> 24 create_new_objfile_event_object (struct objfile *objfile) 25 { 26 gdbpy_ref<> objfile_event 27 = create_event_object (&new_objfile_event_object_type); 28 if (objfile_event == NULL) 29 return NULL; 30 31 gdbpy_ref<> py_objfile = objfile_to_objfile_object (objfile); 32 if (py_objfile == NULL || evpy_add_attribute (objfile_event.get (), 33 "new_objfile", 34 py_objfile.get ()) < 0) 35 return NULL; 36 37 return objfile_event; 38 } 39 40 /* Callback function which notifies observers when a new objfile event occurs. 41 This function will create a new Python new_objfile event object. 42 Return -1 if emit fails. */ 43 44 int 45 emit_new_objfile_event (struct objfile *objfile) 46 { 47 if (evregpy_no_listeners_p (gdb_py_events.new_objfile)) 48 return 0; 49 50 gdbpy_ref<> event = create_new_objfile_event_object (objfile); 51 if (event != NULL) 52 return evpy_emit_event (event.get (), gdb_py_events.new_objfile); 53 return -1; 54 } 55 56 57 /* Subroutine of emit_clear_objfiles_event to simplify it. */ 58 59 static gdbpy_ref<> 60 create_clear_objfiles_event_object (void) 61 { 62 gdbpy_ref<> objfile_event 63 = create_event_object (&clear_objfiles_event_object_type); 64 if (objfile_event == NULL) 65 return NULL; 66 67 gdbpy_ref<> py_progspace = pspace_to_pspace_object (current_program_space); 68 if (py_progspace == NULL || evpy_add_attribute (objfile_event.get (), 69 "progspace", 70 py_progspace.get ()) < 0) 71 return NULL; 72 73 return objfile_event; 74 } 75 76 /* Callback function which notifies observers when the "clear objfiles" 77 event occurs. 78 This function will create a new Python clear_objfiles event object. 79 Return -1 if emit fails. */ 80 81 int 82 emit_clear_objfiles_event (void) 83 { 84 if (evregpy_no_listeners_p (gdb_py_events.clear_objfiles)) 85 return 0; 86 87 gdbpy_ref<> event = create_clear_objfiles_event_object (); 88 if (event != NULL) 89 return evpy_emit_event (event.get (), gdb_py_events.clear_objfiles); 90 return -1; 91 } 92