2011-02-05 06:27:23 +01:00
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/* Python interface to inferior exit events.
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2016-01-01 05:33:14 +01:00
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Copyright (C) 2009-2016 Free Software Foundation, Inc.
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2011-02-05 06:27:23 +01:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2012-11-08 20:38:43 +01:00
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#include "defs.h"
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2011-02-05 06:27:23 +01:00
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#include "py-event.h"
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Fix redefinition errors in C++ mode
In C, we can forward declare static structure instances. That doesn't
work in C++ though. C++ treats these as definitions. So then the
compiler complains about symbol redefinition, like:
src/gdb/elfread.c:1569:29: error: redefinition of ‘const sym_fns elf_sym_fns_lazy_psyms’
src/gdb/elfread.c:53:29: error: ‘const sym_fns elf_sym_fns_lazy_psyms’ previously declared here
The intent of static here is naturally to avoid making these objects
visible outside the compilation unit. The equivalent in C++ would be
to instead define the objects in the anonymous namespace. But given
that it's desirable to leave the codebase compiling as both C and C++
for a while, this just makes the objects extern.
(base_breakpoint_ops is already declared in breakpoint.h, so we can
just remove the forward declare from breakpoint.c)
gdb/ChangeLog:
2015-02-11 Tom Tromey <tromey@redhat.com>
Pedro Alves <palves@redhat.com>
* breakpoint.c (base_breakpoint_ops): Delete.
* dwarf2loc.c (dwarf_expr_ctx_funcs): Make extern.
* elfread.c (elf_sym_fns_gdb_index, elf_sym_fns_lazy_psyms): Make extern.
* guile/guile.c (guile_extension_script_ops, guile_extension_ops): Make extern.
* ppcnbsd-tdep.c (ppcnbsd2_sigtramp): Make extern.
* python/py-arch.c (arch_object_type): Make extern.
* python/py-block.c (block_syms_iterator_object_type): Make extern.
* python/py-bpevent.c (breakpoint_event_object_type): Make extern.
* python/py-cmd.c (cmdpy_object_type): Make extern.
* python/py-continueevent.c (continue_event_object_type)
* python/py-event.h (GDBPY_NEW_EVENT_TYPE): Remove 'qual'
parameter. Update all callers.
* python/py-evtregistry.c (eventregistry_object_type): Make extern.
* python/py-exitedevent.c (exited_event_object_type): Make extern.
* python/py-finishbreakpoint.c (finish_breakpoint_object_type): Make extern.
* python/py-function.c (fnpy_object_type): Make extern.
* python/py-inferior.c (inferior_object_type, membuf_object_type): Make extern.
* python/py-infevents.c (call_pre_event_object_type)
(inferior_call_post_event_object_type).
(memory_changed_event_object_type): Make extern.
* python/py-infthread.c (thread_object_type): Make extern.
* python/py-lazy-string.c (lazy_string_object_type): Make extern.
* python/py-linetable.c (linetable_entry_object_type)
(linetable_object_type, ltpy_iterator_object_type): Make extern.
* python/py-newobjfileevent.c (new_objfile_event_object_type)
(clear_objfiles_event_object_type): Make extern.
* python/py-objfile.c (objfile_object_type): Make extern.
* python/py-param.c (parmpy_object_type): Make extern.
* python/py-progspace.c (pspace_object_type): Make extern.
* python/py-signalevent.c (signal_event_object_type): Make extern.
* python/py-symtab.c (symtab_object_type, sal_object_type): Make extern.
* python/py-type.c (type_object_type, field_object_type)
(type_iterator_object_type): Make extern.
* python/python.c (python_extension_script_ops)
(python_extension_ops): Make extern.
* stap-probe.c (stap_probe_ops): Make extern.
2015-02-11 12:20:21 +01:00
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extern PyTypeObject exited_event_object_type
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2013-05-20 22:09:01 +02:00
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CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
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2011-02-05 06:27:23 +01:00
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2011-06-03 17:32:44 +02:00
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static PyObject *
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2011-10-04 10:04:13 +02:00
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create_exited_event_object (const LONGEST *exit_code, struct inferior *inf)
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2011-02-05 06:27:23 +01:00
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{
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PyObject *exited_event;
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2012-08-15 16:22:02 +02:00
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PyObject *inf_obj = NULL;
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2011-02-05 06:27:23 +01:00
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exited_event = create_event_object (&exited_event_object_type);
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if (!exited_event)
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goto fail;
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2012-08-15 16:22:02 +02:00
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if (exit_code)
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{
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PyObject *exit_code_obj = PyLong_FromLongLong (*exit_code);
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int failed;
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if (exit_code_obj == NULL)
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goto fail;
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failed = evpy_add_attribute (exited_event, "exit_code",
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exit_code_obj) < 0;
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Py_DECREF (exit_code_obj);
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if (failed)
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goto fail;
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}
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2011-02-05 06:27:23 +01:00
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2011-10-04 10:04:13 +02:00
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inf_obj = inferior_to_inferior_object (inf);
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if (!inf_obj || evpy_add_attribute (exited_event,
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"inferior",
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inf_obj) < 0)
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goto fail;
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2012-08-15 16:22:02 +02:00
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Py_DECREF (inf_obj);
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2011-10-04 10:04:13 +02:00
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2011-02-05 06:27:23 +01:00
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return exited_event;
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2012-08-15 16:22:02 +02:00
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fail:
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Py_XDECREF (inf_obj);
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Py_XDECREF (exited_event);
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return NULL;
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2011-02-05 06:27:23 +01:00
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}
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/* Callback that is used when an exit event occurs. This function
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will create a new Python exited event object. */
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int
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2011-10-04 10:04:13 +02:00
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emit_exited_event (const LONGEST *exit_code, struct inferior *inf)
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2011-02-05 06:27:23 +01:00
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{
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PyObject *event;
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if (evregpy_no_listeners_p (gdb_py_events.exited))
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return 0;
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2011-10-04 10:04:13 +02:00
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event = create_exited_event_object (exit_code, inf);
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2011-02-05 06:27:23 +01:00
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if (event)
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return evpy_emit_event (event, gdb_py_events.exited);
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return -1;
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}
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GDBPY_NEW_EVENT_TYPE (exited,
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"gdb.ExitedEvent",
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"ExitedEvent",
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"GDB exited event object",
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Fix redefinition errors in C++ mode
In C, we can forward declare static structure instances. That doesn't
work in C++ though. C++ treats these as definitions. So then the
compiler complains about symbol redefinition, like:
src/gdb/elfread.c:1569:29: error: redefinition of ‘const sym_fns elf_sym_fns_lazy_psyms’
src/gdb/elfread.c:53:29: error: ‘const sym_fns elf_sym_fns_lazy_psyms’ previously declared here
The intent of static here is naturally to avoid making these objects
visible outside the compilation unit. The equivalent in C++ would be
to instead define the objects in the anonymous namespace. But given
that it's desirable to leave the codebase compiling as both C and C++
for a while, this just makes the objects extern.
(base_breakpoint_ops is already declared in breakpoint.h, so we can
just remove the forward declare from breakpoint.c)
gdb/ChangeLog:
2015-02-11 Tom Tromey <tromey@redhat.com>
Pedro Alves <palves@redhat.com>
* breakpoint.c (base_breakpoint_ops): Delete.
* dwarf2loc.c (dwarf_expr_ctx_funcs): Make extern.
* elfread.c (elf_sym_fns_gdb_index, elf_sym_fns_lazy_psyms): Make extern.
* guile/guile.c (guile_extension_script_ops, guile_extension_ops): Make extern.
* ppcnbsd-tdep.c (ppcnbsd2_sigtramp): Make extern.
* python/py-arch.c (arch_object_type): Make extern.
* python/py-block.c (block_syms_iterator_object_type): Make extern.
* python/py-bpevent.c (breakpoint_event_object_type): Make extern.
* python/py-cmd.c (cmdpy_object_type): Make extern.
* python/py-continueevent.c (continue_event_object_type)
* python/py-event.h (GDBPY_NEW_EVENT_TYPE): Remove 'qual'
parameter. Update all callers.
* python/py-evtregistry.c (eventregistry_object_type): Make extern.
* python/py-exitedevent.c (exited_event_object_type): Make extern.
* python/py-finishbreakpoint.c (finish_breakpoint_object_type): Make extern.
* python/py-function.c (fnpy_object_type): Make extern.
* python/py-inferior.c (inferior_object_type, membuf_object_type): Make extern.
* python/py-infevents.c (call_pre_event_object_type)
(inferior_call_post_event_object_type).
(memory_changed_event_object_type): Make extern.
* python/py-infthread.c (thread_object_type): Make extern.
* python/py-lazy-string.c (lazy_string_object_type): Make extern.
* python/py-linetable.c (linetable_entry_object_type)
(linetable_object_type, ltpy_iterator_object_type): Make extern.
* python/py-newobjfileevent.c (new_objfile_event_object_type)
(clear_objfiles_event_object_type): Make extern.
* python/py-objfile.c (objfile_object_type): Make extern.
* python/py-param.c (parmpy_object_type): Make extern.
* python/py-progspace.c (pspace_object_type): Make extern.
* python/py-signalevent.c (signal_event_object_type): Make extern.
* python/py-symtab.c (symtab_object_type, sal_object_type): Make extern.
* python/py-type.c (type_object_type, field_object_type)
(type_iterator_object_type): Make extern.
* python/python.c (python_extension_script_ops)
(python_extension_ops): Make extern.
* stap-probe.c (stap_probe_ops): Make extern.
2015-02-11 12:20:21 +01:00
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event_object_type);
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