gdb/python/python-internal.h

   1 /* Gdb/Python header for private use by Python module.
   2
   3    Copyright (C) 2008-2014 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 #ifndef GDB_PYTHON_INTERNAL_H
  21 #define GDB_PYTHON_INTERNAL_H
  22
  23 #include "extension.h"
  24
  25 /* These WITH_* macros are defined by the CPython API checker that
  26    comes with the Python plugin for GCC.  See:
  27    https://gcc-python-plugin.readthedocs.org/en/latest/cpychecker.html
  28    The checker defines a WITH_ macro for each attribute it
  29    exposes.  */
  30
  31 #ifdef WITH_CPYCHECKER_RETURNS_BORROWED_REF_ATTRIBUTE
  32 #define CPYCHECKER_RETURNS_BORROWED_REF                 \
  33   __attribute__ ((cpychecker_returns_borrowed_ref))
  34 #else
  35 #define CPYCHECKER_RETURNS_BORROWED_REF
  36 #endif
  37
  38 #ifdef WITH_CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF_ATTRIBUTE
  39 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)         \
  40   __attribute__ ((cpychecker_type_object_for_typedef (ARG)))
  41 #else
  42 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)
  43 #endif
  44
  45 #ifdef WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE
  46 #define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n) \
  47    __attribute__ ((cpychecker_steals_reference_to_arg (n)))
  48 #else
  49 #define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n)
  50 #endif
  51
  52 #ifdef WITH_CPYCHECKER_SETS_EXCEPTION_ATTRIBUTE
  53 #define CPYCHECKER_SETS_EXCEPTION __attribute__ ((cpychecker_sets_exception))
  54 #else
  55 #define CPYCHECKER_SETS_EXCEPTION
  56 #endif
  57
  58 #ifdef WITH_CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION_ATTRIBUTE
  59 #define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION               \
  60   __attribute__ ((cpychecker_negative_result_sets_exception))
  61 #else
  62 #define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
  63 #endif
  64
  65 #include <stdio.h>
  66
  67 /* Python 2.4 doesn't include stdint.h soon enough to get {u,}intptr_t
  68    needed by pyport.h.  */
  69 #include <stdint.h>
  70
  71 /* /usr/include/features.h on linux systems will define _POSIX_C_SOURCE
  72    if it sees _GNU_SOURCE (which config.h will define).
  73    pyconfig.h defines _POSIX_C_SOURCE to a different value than
  74    /usr/include/features.h does causing compilation to fail.
  75    To work around this, undef _POSIX_C_SOURCE before we include Python.h.
  76
  77    Same problem with _XOPEN_SOURCE.  */
  78 #undef _POSIX_C_SOURCE
  79 #undef _XOPEN_SOURCE
  80
  81 /* On sparc-solaris, /usr/include/sys/feature_tests.h defines
  82    _FILE_OFFSET_BITS, which pyconfig.h also defines.  Same work
  83    around technique as above.  */
  84 #undef _FILE_OFFSET_BITS
  85
  86 /* A kludge to avoid redefinition of snprintf on Windows by pyerrors.h.  */
  87 #if defined(_WIN32) && defined(HAVE_DECL_SNPRINTF)
  88 #define HAVE_SNPRINTF 1
  89 #endif
  90
  91 /* Request clean size types from Python.  */
  92 #define PY_SSIZE_T_CLEAN
  93
  94 /* Include the Python header files using angle brackets rather than
  95    double quotes.  On case-insensitive filesystems, this prevents us
  96    from including our python/python.h header file.  */
  97 #include <Python.h>
  98 #include <frameobject.h>
  99
 100 #if PY_MAJOR_VERSION >= 3
 101 #define IS_PY3K 1
 102 #endif
 103
 104 #ifdef IS_PY3K
 105 #define Py_TPFLAGS_HAVE_ITER 0
 106 #define Py_TPFLAGS_CHECKTYPES 0
 107
 108 #define PyInt_Check PyLong_Check
 109 #define PyInt_FromLong PyLong_FromLong
 110 #define PyInt_AsLong PyLong_AsLong
 111
 112 #define PyString_FromString PyUnicode_FromString
 113 #define PyString_Decode PyUnicode_Decode
 114 #define PyString_FromFormat PyUnicode_FromFormat
 115 #define PyString_Check PyUnicode_Check
 116 #endif
 117
 118 #if HAVE_LIBPYTHON2_4
 119 /* Py_ssize_t is not defined until 2.5.
 120    Logical type for Py_ssize_t is Py_intptr_t, but that fails in 64-bit
 121    compilation due to several apparent mistakes in python2.4 API, so we
 122    use 'int' instead.  */
 123 typedef int Py_ssize_t;
 124 #endif
 125
 126 #ifndef PyVarObject_HEAD_INIT
 127 /* Python 2.4 does not define PyVarObject_HEAD_INIT.  */
 128 #define PyVarObject_HEAD_INIT(type, size)       \
 129     PyObject_HEAD_INIT(type) size,
 130
 131 #endif
 132
 133 #ifndef Py_TYPE
 134 /* Python 2.4 does not define Py_TYPE.  */
 135 #define Py_TYPE(ob)             (((PyObject*)(ob))->ob_type)
 136 #endif
 137
 138 /* If Python.h does not define WITH_THREAD, then the various
 139    GIL-related functions will not be defined.  However,
 140    PyGILState_STATE will be.  */
 141 #ifndef WITH_THREAD
 142 #define PyGILState_Ensure() ((PyGILState_STATE) 0)
 143 #define PyGILState_Release(ARG) ((void)(ARG))
 144 #define PyEval_InitThreads()
 145 #define PyThreadState_Swap(ARG) ((void)(ARG))
 146 #define PyEval_ReleaseLock()
 147 #endif
 148
 149 /* Python supplies HAVE_LONG_LONG and some `long long' support when it
 150    is available.  These defines let us handle the differences more
 151    cleanly.  */
 152 #ifdef HAVE_LONG_LONG
 153
 154 #define GDB_PY_LL_ARG "L"
 155 #define GDB_PY_LLU_ARG "K"
 156 typedef PY_LONG_LONG gdb_py_longest;
 157 typedef unsigned PY_LONG_LONG gdb_py_ulongest;
 158 #define gdb_py_long_from_longest PyLong_FromLongLong
 159 #define gdb_py_long_from_ulongest PyLong_FromUnsignedLongLong
 160 #define gdb_py_long_as_ulongest PyLong_AsUnsignedLongLong
 161
 162 #else /* HAVE_LONG_LONG */
 163
 164 #define GDB_PY_LL_ARG "L"
 165 #define GDB_PY_LLU_ARG "K"
 166 typedef long gdb_py_longest;
 167 typedef unsigned long gdb_py_ulongest;
 168 #define gdb_py_long_from_longest PyLong_FromLong
 169 #define gdb_py_long_from_ulongest PyLong_FromUnsignedLong
 170 #define gdb_py_long_as_ulongest PyLong_AsUnsignedLong
 171
 172 #endif /* HAVE_LONG_LONG */
 173
 174 /* Python 2.6 did not wrap Py_DECREF in 'do {...} while (0)', leading
 175    to 'suggest explicit braces to avoid ambiguous ‘else’' gcc errors.
 176    Wrap it ourselves, so that callers don't need to care.  */
 177
 178 static inline void
 179 gdb_Py_DECREF (void *op) /* ARI: editCase function */
 180 {
 181   /* ... and Python 2.4 didn't cast OP to PyObject pointer on the
 182      '(op)->ob_refcnt' references within the macro.  Cast it ourselves
 183      too.  */
 184   Py_DECREF ((PyObject *) op);
 185 }
 186
 187 #undef Py_DECREF
 188 #define Py_DECREF(op) gdb_Py_DECREF (op)
 189
 190 /* In order to be able to parse symtab_and_line_to_sal_object function
 191    a real symtab_and_line structure is needed.  */
 192 #include "symtab.h"
 193
 194 /* Also needed to parse enum var_types. */
 195 #include "command.h"
 196 #include "breakpoint.h"
 197
 198 #include "exceptions.h"
 199
 200 enum gdbpy_iter_kind { iter_keys, iter_values, iter_items };
 201
 202 struct block;
 203 struct value;
 204 struct language_defn;
 205 struct program_space;
 206 struct bpstats;
 207 struct inferior;
 208
 209 extern int gdb_python_initialized;
 210
 211 extern PyObject *gdb_module;
 212 extern PyObject *gdb_python_module;
 213 extern PyTypeObject value_object_type
 214     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("value_object");
 215 extern PyTypeObject block_object_type
 216     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("block_object");
 217 extern PyTypeObject symbol_object_type
 218     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("symbol_object");
 219 extern PyTypeObject event_object_type
 220     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
 221 extern PyTypeObject stop_event_object_type
 222     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
 223 extern PyTypeObject breakpoint_object_type
 224     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("breakpoint_object");
 225 extern PyTypeObject frame_object_type
 226     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("frame_object");
 227
 228 typedef struct gdbpy_breakpoint_object
 229 {
 230   PyObject_HEAD
 231
 232   /* The breakpoint number according to gdb.  */
 233   int number;
 234
 235   /* The gdb breakpoint object, or NULL if the breakpoint has been
 236      deleted.  */
 237   struct breakpoint *bp;
 238
 239   /* 1 is this is a FinishBreakpoint object, 0 otherwise.  */
 240   int is_finish_bp;
 241 } gdbpy_breakpoint_object;
 242
 243 /* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
 244    exception if it is invalid.  */
 245 #define BPPY_REQUIRE_VALID(Breakpoint)                                  \
 246     do {                                                                \
 247       if ((Breakpoint)->bp == NULL)                                     \
 248         return PyErr_Format (PyExc_RuntimeError,                        \
 249                              _("Breakpoint %d is invalid."),            \
 250                              (Breakpoint)->number);                     \
 251     } while (0)
 252
 253 /* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
 254    exception if it is invalid.  This macro is for use in setter functions.  */
 255 #define BPPY_SET_REQUIRE_VALID(Breakpoint)                              \
 256     do {                                                                \
 257       if ((Breakpoint)->bp == NULL)                                     \
 258         {                                                               \
 259           PyErr_Format (PyExc_RuntimeError, _("Breakpoint %d is invalid."), \
 260                         (Breakpoint)->number);                          \
 261           return -1;                                                    \
 262         }                                                               \
 263     } while (0)
 264
 265
 266 /* Variables used to pass information between the Breakpoint
 267    constructor and the breakpoint-created hook function.  */
 268 extern gdbpy_breakpoint_object *bppy_pending_object;
 269
 270
 271 typedef struct
 272 {
 273   PyObject_HEAD
 274
 275   /* The thread we represent.  */
 276   struct thread_info *thread;
 277
 278   /* The Inferior object to which this thread belongs.  */
 279   PyObject *inf_obj;
 280 } thread_object;
 281
 282 extern struct cmd_list_element *set_python_list;
 283 extern struct cmd_list_element *show_python_list;
 284 \f
 285 /* extension_language_script_ops "methods".  */
 286
 287 extern int gdbpy_auto_load_enabled (const struct extension_language_defn *);
 288
 289 /* extension_language_ops "methods".  */
 290
 291 extern enum ext_lang_rc gdbpy_apply_val_pretty_printer
 292   (const struct extension_language_defn *,
 293    struct type *type, const gdb_byte *valaddr,
 294    int embedded_offset, CORE_ADDR address,
 295    struct ui_file *stream, int recurse,
 296    const struct value *val,
 297    const struct value_print_options *options,
 298    const struct language_defn *language);
 299 extern enum ext_lang_bt_status gdbpy_apply_frame_filter
 300   (const struct extension_language_defn *,
 301    struct frame_info *frame, int flags, enum ext_lang_frame_args args_type,
 302    struct ui_out *out, int frame_low, int frame_high);
 303 extern void gdbpy_preserve_values (const struct extension_language_defn *,
 304                                    struct objfile *objfile,
 305                                    htab_t copied_types);
 306 extern enum ext_lang_bp_stop gdbpy_breakpoint_cond_says_stop
 307   (const struct extension_language_defn *, struct breakpoint *);
 308 extern int gdbpy_breakpoint_has_cond (const struct extension_language_defn *,
 309                                       struct breakpoint *b);
 310 \f
 311 PyObject *gdbpy_history (PyObject *self, PyObject *args);
 312 PyObject *gdbpy_breakpoints (PyObject *, PyObject *);
 313 PyObject *gdbpy_frame_stop_reason_string (PyObject *, PyObject *);
 314 PyObject *gdbpy_lookup_symbol (PyObject *self, PyObject *args, PyObject *kw);
 315 PyObject *gdbpy_lookup_global_symbol (PyObject *self, PyObject *args,
 316                                       PyObject *kw);
 317 PyObject *gdbpy_newest_frame (PyObject *self, PyObject *args);
 318 PyObject *gdbpy_selected_frame (PyObject *self, PyObject *args);
 319 PyObject *gdbpy_block_for_pc (PyObject *self, PyObject *args);
 320 PyObject *gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw);
 321 int gdbpy_is_field (PyObject *obj);
 322 PyObject *gdbpy_create_lazy_string_object (CORE_ADDR address, long length,
 323                                            const char *encoding,
 324                                            struct type *type);
 325 PyObject *gdbpy_inferiors (PyObject *unused, PyObject *unused2);
 326 PyObject *gdbpy_selected_thread (PyObject *self, PyObject *args);
 327 PyObject *gdbpy_selected_inferior (PyObject *self, PyObject *args);
 328 PyObject *gdbpy_string_to_argv (PyObject *self, PyObject *args);
 329 PyObject *gdbpy_parameter (PyObject *self, PyObject *args);
 330 PyObject *gdbpy_parameter_value (enum var_types type, void *var);
 331 char *gdbpy_parse_command_name (const char *name,
 332                                 struct cmd_list_element ***base_list,
 333                                 struct cmd_list_element **start_list);
 334
 335 PyObject *symtab_and_line_to_sal_object (struct symtab_and_line sal);
 336 PyObject *symtab_to_symtab_object (struct symtab *symtab);
 337 PyObject *symbol_to_symbol_object (struct symbol *sym);
 338 PyObject *block_to_block_object (const struct block *block,
 339                                  struct objfile *objfile);
 340 PyObject *value_to_value_object (struct value *v);
 341 PyObject *type_to_type_object (struct type *);
 342 PyObject *frame_info_to_frame_object (struct frame_info *frame);
 343 PyObject *symtab_to_linetable_object (PyObject *symtab);
 344 PyObject *pspace_to_pspace_object (struct program_space *)
 345     CPYCHECKER_RETURNS_BORROWED_REF;
 346 PyObject *pspy_get_printers (PyObject *, void *);
 347 PyObject *pspy_get_frame_filters (PyObject *, void *);
 348
 349 PyObject *objfile_to_objfile_object (struct objfile *)
 350     CPYCHECKER_RETURNS_BORROWED_REF;
 351 PyObject *objfpy_get_printers (PyObject *, void *);
 352 PyObject *objfpy_get_frame_filters (PyObject *, void *);
 353
 354 PyObject *gdbarch_to_arch_object (struct gdbarch *gdbarch);
 355
 356 thread_object *create_thread_object (struct thread_info *tp);
 357 thread_object *find_thread_object (ptid_t ptid)
 358     CPYCHECKER_RETURNS_BORROWED_REF;
 359 PyObject *find_inferior_object (int pid);
 360 PyObject *inferior_to_inferior_object (struct inferior *inferior);
 361
 362 const struct block *block_object_to_block (PyObject *obj);
 363 struct symbol *symbol_object_to_symbol (PyObject *obj);
 364 struct value *value_object_to_value (PyObject *self);
 365 struct value *convert_value_from_python (PyObject *obj);
 366 struct type *type_object_to_type (PyObject *obj);
 367 struct symtab *symtab_object_to_symtab (PyObject *obj);
 368 struct symtab_and_line *sal_object_to_symtab_and_line (PyObject *obj);
 369 struct frame_info *frame_object_to_frame_info (PyObject *frame_obj);
 370 struct gdbarch *arch_object_to_gdbarch (PyObject *obj);
 371
 372 void gdbpy_initialize_gdb_readline (void);
 373 int gdbpy_initialize_auto_load (void)
 374   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 375 int gdbpy_initialize_values (void)
 376   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 377 int gdbpy_initialize_frames (void)
 378   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 379 int gdbpy_initialize_symtabs (void)
 380   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 381 int gdbpy_initialize_commands (void)
 382   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 383 int gdbpy_initialize_symbols (void)
 384   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 385 int gdbpy_initialize_symtabs (void)
 386   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 387 int gdbpy_initialize_blocks (void)
 388   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 389 int gdbpy_initialize_types (void)
 390   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 391 int gdbpy_initialize_functions (void)
 392   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 393 int gdbpy_initialize_pspace (void)
 394   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 395 int gdbpy_initialize_objfile (void)
 396   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 397 int gdbpy_initialize_breakpoints (void)
 398   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 399 int gdbpy_initialize_finishbreakpoints (void)
 400   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 401 int gdbpy_initialize_lazy_string (void)
 402   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 403 int gdbpy_initialize_linetable (void)
 404   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 405 int gdbpy_initialize_parameters (void)
 406   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 407 int gdbpy_initialize_thread (void)
 408   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 409 int gdbpy_initialize_inferior (void)
 410   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 411 int gdbpy_initialize_eventregistry (void)
 412   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 413 int gdbpy_initialize_event (void)
 414   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 415 int gdbpy_initialize_py_events (void)
 416   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 417 int gdbpy_initialize_stop_event (void)
 418   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 419 int gdbpy_initialize_signal_event (void)
 420   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 421 int gdbpy_initialize_breakpoint_event (void)
 422   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 423 int gdbpy_initialize_continue_event (void)
 424   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 425 int gdbpy_initialize_exited_event (void)
 426   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 427 int gdbpy_initialize_thread_event (void)
 428   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 429 int gdbpy_initialize_new_objfile_event (void)
 430   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 431 int gdbpy_initialize_arch (void)
 432   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 433
 434 struct cleanup *make_cleanup_py_decref (PyObject *py);
 435 struct cleanup *make_cleanup_py_xdecref (PyObject *py);
 436
 437 struct cleanup *ensure_python_env (struct gdbarch *gdbarch,
 438                                    const struct language_defn *language);
 439
 440 extern struct gdbarch *python_gdbarch;
 441 extern const struct language_defn *python_language;
 442
 443 /* Use this after a TRY_EXCEPT to throw the appropriate Python
 444    exception.  */
 445 #define GDB_PY_HANDLE_EXCEPTION(Exception)      \
 446   do {                                          \
 447     if (Exception.reason < 0)                   \
 448       {                                         \
 449         gdbpy_convert_exception (Exception);    \
 450         return NULL;                            \
 451       }                                         \
 452   } while (0)
 453
 454 /* Use this after a TRY_EXCEPT to throw the appropriate Python
 455    exception.  This macro is for use inside setter functions.  */
 456 #define GDB_PY_SET_HANDLE_EXCEPTION(Exception)                          \
 457     do {                                                                \
 458       if (Exception.reason < 0)                                         \
 459         {                                                               \
 460           gdbpy_convert_exception (Exception);                          \
 461           return -1;                                                    \
 462         }                                                               \
 463     } while (0)
 464
 465 void gdbpy_print_stack (void);
 466
 467 PyObject *python_string_to_unicode (PyObject *obj);
 468 char *unicode_to_target_string (PyObject *unicode_str);
 469 char *python_string_to_target_string (PyObject *obj);
 470 PyObject *python_string_to_target_python_string (PyObject *obj);
 471 char *python_string_to_host_string (PyObject *obj);
 472 int gdbpy_is_string (PyObject *obj);
 473 char *gdbpy_obj_to_string (PyObject *obj);
 474 char *gdbpy_exception_to_string (PyObject *ptype, PyObject *pvalue);
 475
 476 int gdbpy_is_lazy_string (PyObject *result);
 477 void gdbpy_extract_lazy_string (PyObject *string, CORE_ADDR *addr,
 478                                 struct type **str_type,
 479                                 long *length, char **encoding);
 480
 481 int gdbpy_is_value_object (PyObject *obj);
 482
 483 /* Note that these are declared here, and not in python.h with the
 484    other pretty-printer functions, because they refer to PyObject.  */
 485 PyObject *apply_varobj_pretty_printer (PyObject *print_obj,
 486                                        struct value **replacement,
 487                                        struct ui_file *stream);
 488 PyObject *gdbpy_get_varobj_pretty_printer (struct value *value);
 489 char *gdbpy_get_display_hint (PyObject *printer);
 490 PyObject *gdbpy_default_visualizer (PyObject *self, PyObject *args);
 491
 492 void bpfinishpy_pre_stop_hook (struct gdbpy_breakpoint_object *bp_obj);
 493 void bpfinishpy_post_stop_hook (struct gdbpy_breakpoint_object *bp_obj);
 494
 495 extern PyObject *gdbpy_doc_cst;
 496 extern PyObject *gdbpy_children_cst;
 497 extern PyObject *gdbpy_to_string_cst;
 498 extern PyObject *gdbpy_display_hint_cst;
 499 extern PyObject *gdbpy_enabled_cst;
 500 extern PyObject *gdbpy_value_cst;
 501
 502 /* Exception types.  */
 503 extern PyObject *gdbpy_gdb_error;
 504 extern PyObject *gdbpy_gdb_memory_error;
 505 extern PyObject *gdbpy_gdberror_exc;
 506
 507 extern void gdbpy_convert_exception (struct gdb_exception)
 508     CPYCHECKER_SETS_EXCEPTION;
 509
 510 int get_addr_from_python (PyObject *obj, CORE_ADDR *addr)
 511     CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 512
 513 PyObject *gdb_py_object_from_longest (LONGEST l);
 514 PyObject *gdb_py_object_from_ulongest (ULONGEST l);
 515 int gdb_py_int_as_long (PyObject *, long *);
 516
 517 PyObject *gdb_py_generic_dict (PyObject *self, void *closure);
 518
 519 int gdb_pymodule_addobject (PyObject *module, const char *name,
 520                             PyObject *object)
 521   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 522
 523 #endif /* GDB_PYTHON_INTERNAL_H */