1 /* Gdb/Python header for private use by Python module.
3 Copyright (C) 2008-2013 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
20 #ifndef GDB_PYTHON_INTERNAL_H
21 #define GDB_PYTHON_INTERNAL_H
23 /* These WITH_* macros are defined by the CPython API checker that
24 comes with the Python plugin for GCC. See:
25 https://gcc-python-plugin.readthedocs.org/en/latest/cpychecker.html
26 The checker defines a WITH_ macro for each attribute it
29 #ifdef WITH_CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF_ATTRIBUTE
30 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG) \
31 __attribute__ ((cpychecker_type_object_for_typedef (ARG)))
33 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)
38 /* Python 2.4 doesn't include stdint.h soon enough to get {u,}intptr_t
39 needed by pyport.h. */
42 /* /usr/include/features.h on linux systems will define _POSIX_C_SOURCE
43 if it sees _GNU_SOURCE (which config.h will define).
44 pyconfig.h defines _POSIX_C_SOURCE to a different value than
45 /usr/include/features.h does causing compilation to fail.
46 To work around this, undef _POSIX_C_SOURCE before we include Python.h.
48 Same problem with _XOPEN_SOURCE. */
49 #undef _POSIX_C_SOURCE
52 /* On sparc-solaris, /usr/include/sys/feature_tests.h defines
53 _FILE_OFFSET_BITS, which pyconfig.h also defines. Same work
54 around technique as above. */
55 #undef _FILE_OFFSET_BITS
57 /* A kludge to avoid redefinition of snprintf on Windows by pyerrors.h. */
58 #if defined(_WIN32) && defined(HAVE_DECL_SNPRINTF)
59 #define HAVE_SNPRINTF 1
62 /* Request clean size types from Python. */
63 #define PY_SSIZE_T_CLEAN
65 /* Include the Python header files using angle brackets rather than
66 double quotes. On case-insensitive filesystems, this prevents us
67 from including our python/python.h header file. */
69 #include <frameobject.h>
71 #if PY_MAJOR_VERSION >= 3
76 #define Py_TPFLAGS_HAVE_ITER 0
77 #define Py_TPFLAGS_CHECKTYPES 0
79 #define PyInt_Check PyLong_Check
80 #define PyInt_FromLong PyLong_FromLong
81 #define PyInt_AsLong PyLong_AsLong
83 #define PyString_FromString PyUnicode_FromString
84 #define PyString_Decode PyUnicode_Decode
85 #define PyString_FromFormat PyUnicode_FromFormat
86 #define PyString_Check PyUnicode_Check
90 /* Py_ssize_t is not defined until 2.5.
91 Logical type for Py_ssize_t is Py_intptr_t, but that fails in 64-bit
92 compilation due to several apparent mistakes in python2.4 API, so we
94 typedef int Py_ssize_t;
97 #ifndef PyVarObject_HEAD_INIT
98 /* Python 2.4 does not define PyVarObject_HEAD_INIT. */
99 #define PyVarObject_HEAD_INIT(type, size) \
100 PyObject_HEAD_INIT(type) size,
105 /* Python 2.4 does not define Py_TYPE. */
106 #define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
109 /* If Python.h does not define WITH_THREAD, then the various
110 GIL-related functions will not be defined. However,
111 PyGILState_STATE will be. */
113 #define PyGILState_Ensure() ((PyGILState_STATE) 0)
114 #define PyGILState_Release(ARG) ((void)(ARG))
115 #define PyEval_InitThreads()
116 #define PyThreadState_Swap(ARG) ((void)(ARG))
117 #define PyEval_ReleaseLock()
120 /* Python supplies HAVE_LONG_LONG and some `long long' support when it
121 is available. These defines let us handle the differences more
123 #ifdef HAVE_LONG_LONG
125 #define GDB_PY_LL_ARG "L"
126 #define GDB_PY_LLU_ARG "K"
127 typedef PY_LONG_LONG gdb_py_longest;
128 typedef unsigned PY_LONG_LONG gdb_py_ulongest;
129 #define gdb_py_long_from_longest PyLong_FromLongLong
130 #define gdb_py_long_from_ulongest PyLong_FromUnsignedLongLong
131 #define gdb_py_long_as_ulongest PyLong_AsUnsignedLongLong
133 #else /* HAVE_LONG_LONG */
135 #define GDB_PY_LL_ARG "L"
136 #define GDB_PY_LLU_ARG "K"
137 typedef long gdb_py_longest;
138 typedef unsigned long gdb_py_ulongest;
139 #define gdb_py_long_from_longest PyLong_FromLong
140 #define gdb_py_long_from_ulongest PyLong_FromUnsignedLong
141 #define gdb_py_long_as_ulongest PyLong_AsUnsignedLong
143 #endif /* HAVE_LONG_LONG */
146 /* In order to be able to parse symtab_and_line_to_sal_object function
147 a real symtab_and_line structure is needed. */
150 /* Also needed to parse enum var_types. */
152 #include "breakpoint.h"
154 #include "exceptions.h"
156 enum gdbpy_iter_kind { iter_keys, iter_values, iter_items };
160 struct language_defn;
161 struct program_space;
165 extern PyObject *gdb_module;
166 extern PyObject *gdb_python_module;
167 extern PyTypeObject value_object_type
168 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("value_object");
169 extern PyTypeObject block_object_type
170 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("block_object");
171 extern PyTypeObject symbol_object_type
172 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("symbol_object");
173 extern PyTypeObject event_object_type
174 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
175 extern PyTypeObject events_object_type;
176 extern PyTypeObject stop_event_object_type
177 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
178 extern PyTypeObject breakpoint_object_type
179 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("breakpoint_object");
180 extern PyTypeObject frame_object_type
181 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("frame_object");
183 typedef struct breakpoint_object
187 /* The breakpoint number according to gdb. */
190 /* The gdb breakpoint object, or NULL if the breakpoint has been
192 struct breakpoint *bp;
194 /* 1 is this is a FinishBreakpoint object, 0 otherwise. */
198 /* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
199 exception if it is invalid. */
200 #define BPPY_REQUIRE_VALID(Breakpoint) \
202 if ((Breakpoint)->bp == NULL) \
203 return PyErr_Format (PyExc_RuntimeError, \
204 _("Breakpoint %d is invalid."), \
205 (Breakpoint)->number); \
208 /* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
209 exception if it is invalid. This macro is for use in setter functions. */
210 #define BPPY_SET_REQUIRE_VALID(Breakpoint) \
212 if ((Breakpoint)->bp == NULL) \
214 PyErr_Format (PyExc_RuntimeError, _("Breakpoint %d is invalid."), \
215 (Breakpoint)->number); \
221 /* Variables used to pass information between the Breakpoint
222 constructor and the breakpoint-created hook function. */
223 extern breakpoint_object *bppy_pending_object;
230 /* The thread we represent. */
231 struct thread_info *thread;
233 /* The Inferior object to which this thread belongs. */
237 extern struct cmd_list_element *set_python_list;
238 extern struct cmd_list_element *show_python_list;
240 PyObject *gdbpy_history (PyObject *self, PyObject *args);
241 PyObject *gdbpy_breakpoints (PyObject *, PyObject *);
242 PyObject *gdbpy_frame_stop_reason_string (PyObject *, PyObject *);
243 PyObject *gdbpy_lookup_symbol (PyObject *self, PyObject *args, PyObject *kw);
244 PyObject *gdbpy_lookup_global_symbol (PyObject *self, PyObject *args,
246 PyObject *gdbpy_newest_frame (PyObject *self, PyObject *args);
247 PyObject *gdbpy_selected_frame (PyObject *self, PyObject *args);
248 PyObject *gdbpy_block_for_pc (PyObject *self, PyObject *args);
249 PyObject *gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw);
250 PyObject *gdbpy_create_lazy_string_object (CORE_ADDR address, long length,
251 const char *encoding,
253 PyObject *gdbpy_inferiors (PyObject *unused, PyObject *unused2);
254 PyObject *gdbpy_selected_thread (PyObject *self, PyObject *args);
255 PyObject *gdbpy_selected_inferior (PyObject *self, PyObject *args);
256 PyObject *gdbpy_string_to_argv (PyObject *self, PyObject *args);
257 PyObject *gdbpy_parameter (PyObject *self, PyObject *args);
258 PyObject *gdbpy_parameter_value (enum var_types type, void *var);
259 char *gdbpy_parse_command_name (const char *name,
260 struct cmd_list_element ***base_list,
261 struct cmd_list_element **start_list);
263 PyObject *symtab_and_line_to_sal_object (struct symtab_and_line sal);
264 PyObject *symtab_to_symtab_object (struct symtab *symtab);
265 PyObject *symbol_to_symbol_object (struct symbol *sym);
266 PyObject *block_to_block_object (const struct block *block,
267 struct objfile *objfile);
268 PyObject *value_to_value_object (struct value *v);
269 PyObject *type_to_type_object (struct type *);
270 PyObject *frame_info_to_frame_object (struct frame_info *frame);
272 PyObject *pspace_to_pspace_object (struct program_space *);
273 PyObject *pspy_get_printers (PyObject *, void *);
274 PyObject *pspy_get_frame_filters (PyObject *, void *);
276 PyObject *objfile_to_objfile_object (struct objfile *);
277 PyObject *objfpy_get_printers (PyObject *, void *);
278 PyObject *objfpy_get_frame_filters (PyObject *, void *);
280 PyObject *gdbarch_to_arch_object (struct gdbarch *gdbarch);
282 thread_object *create_thread_object (struct thread_info *tp);
283 thread_object *find_thread_object (ptid_t ptid);
284 PyObject *find_inferior_object (int pid);
285 PyObject *inferior_to_inferior_object (struct inferior *inferior);
287 const struct block *block_object_to_block (PyObject *obj);
288 struct symbol *symbol_object_to_symbol (PyObject *obj);
289 struct value *value_object_to_value (PyObject *self);
290 struct value *convert_value_from_python (PyObject *obj);
291 struct type *type_object_to_type (PyObject *obj);
292 struct symtab *symtab_object_to_symtab (PyObject *obj);
293 struct symtab_and_line *sal_object_to_symtab_and_line (PyObject *obj);
294 struct frame_info *frame_object_to_frame_info (PyObject *frame_obj);
295 struct gdbarch *arch_object_to_gdbarch (PyObject *obj);
297 void gdbpy_initialize_gdb_readline (void);
298 void gdbpy_initialize_auto_load (void);
299 void gdbpy_initialize_values (void);
300 void gdbpy_initialize_frames (void);
301 void gdbpy_initialize_symtabs (void);
302 void gdbpy_initialize_commands (void);
303 void gdbpy_initialize_symbols (void);
304 void gdbpy_initialize_symtabs (void);
305 void gdbpy_initialize_blocks (void);
306 void gdbpy_initialize_types (void);
307 void gdbpy_initialize_functions (void);
308 void gdbpy_initialize_pspace (void);
309 void gdbpy_initialize_objfile (void);
310 void gdbpy_initialize_breakpoints (void);
311 void gdbpy_initialize_finishbreakpoints (void);
312 void gdbpy_initialize_lazy_string (void);
313 void gdbpy_initialize_parameters (void);
314 void gdbpy_initialize_thread (void);
315 void gdbpy_initialize_inferior (void);
316 void gdbpy_initialize_eventregistry (void);
317 void gdbpy_initialize_event (void);
318 void gdbpy_initialize_py_events (void);
319 void gdbpy_initialize_stop_event (void);
320 void gdbpy_initialize_signal_event (void);
321 void gdbpy_initialize_breakpoint_event (void);
322 void gdbpy_initialize_continue_event (void);
323 void gdbpy_initialize_exited_event (void);
324 void gdbpy_initialize_thread_event (void);
325 void gdbpy_initialize_new_objfile_event (void);
326 void gdbpy_initialize_arch (void);
328 struct cleanup *make_cleanup_py_decref (PyObject *py);
329 struct cleanup *make_cleanup_py_xdecref (PyObject *py);
331 struct cleanup *ensure_python_env (struct gdbarch *gdbarch,
332 const struct language_defn *language);
334 extern struct gdbarch *python_gdbarch;
335 extern const struct language_defn *python_language;
337 /* Use this after a TRY_EXCEPT to throw the appropriate Python
339 #define GDB_PY_HANDLE_EXCEPTION(Exception) \
341 if (Exception.reason < 0) \
342 return gdbpy_convert_exception (Exception); \
345 /* Use this after a TRY_EXCEPT to throw the appropriate Python
346 exception. This macro is for use inside setter functions. */
347 #define GDB_PY_SET_HANDLE_EXCEPTION(Exception) \
349 if (Exception.reason < 0) \
351 gdbpy_convert_exception (Exception); \
356 void gdbpy_print_stack (void);
358 void source_python_script_for_objfile (struct objfile *objfile, FILE *file,
359 const char *filename);
361 PyObject *python_string_to_unicode (PyObject *obj);
362 char *unicode_to_target_string (PyObject *unicode_str);
363 char *python_string_to_target_string (PyObject *obj);
364 PyObject *python_string_to_target_python_string (PyObject *obj);
365 char *python_string_to_host_string (PyObject *obj);
366 int gdbpy_is_string (PyObject *obj);
367 char *gdbpy_obj_to_string (PyObject *obj);
368 char *gdbpy_exception_to_string (PyObject *ptype, PyObject *pvalue);
370 int gdbpy_is_lazy_string (PyObject *result);
371 void gdbpy_extract_lazy_string (PyObject *string, CORE_ADDR *addr,
372 struct type **str_type,
373 long *length, char **encoding);
375 int gdbpy_is_value_object (PyObject *obj);
377 /* Note that these are declared here, and not in python.h with the
378 other pretty-printer functions, because they refer to PyObject. */
379 PyObject *apply_varobj_pretty_printer (PyObject *print_obj,
380 struct value **replacement,
381 struct ui_file *stream);
382 PyObject *gdbpy_get_varobj_pretty_printer (struct value *value);
383 char *gdbpy_get_display_hint (PyObject *printer);
384 PyObject *gdbpy_default_visualizer (PyObject *self, PyObject *args);
386 void bpfinishpy_pre_stop_hook (struct breakpoint_object *bp_obj);
387 void bpfinishpy_post_stop_hook (struct breakpoint_object *bp_obj);
389 extern PyObject *gdbpy_doc_cst;
390 extern PyObject *gdbpy_children_cst;
391 extern PyObject *gdbpy_to_string_cst;
392 extern PyObject *gdbpy_display_hint_cst;
393 extern PyObject *gdbpy_enabled_cst;
394 extern PyObject *gdbpy_value_cst;
396 /* Exception types. */
397 extern PyObject *gdbpy_gdb_error;
398 extern PyObject *gdbpy_gdb_memory_error;
399 extern PyObject *gdbpy_gdberror_exc;
401 extern PyObject *gdbpy_convert_exception (struct gdb_exception);
403 int get_addr_from_python (PyObject *obj, CORE_ADDR *addr);
405 PyObject *gdb_py_object_from_longest (LONGEST l);
406 PyObject *gdb_py_object_from_ulongest (ULONGEST l);
407 int gdb_py_int_as_long (PyObject *, long *);
409 PyObject *gdb_py_generic_dict (PyObject *self, void *closure);
411 #endif /* GDB_PYTHON_INTERNAL_H */