gdb/python/python-internal.h

   1 /* Gdb/Python header for private use by Python module.
   2
   3    Copyright (C) 2008-2015 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 #include "extension-priv.h"
  25
  26 /* These WITH_* macros are defined by the CPython API checker that
  27    comes with the Python plugin for GCC.  See:
  28    https://gcc-python-plugin.readthedocs.org/en/latest/cpychecker.html
  29    The checker defines a WITH_ macro for each attribute it
  30    exposes.  */
  31
  32 #ifdef WITH_CPYCHECKER_RETURNS_BORROWED_REF_ATTRIBUTE
  33 #define CPYCHECKER_RETURNS_BORROWED_REF                 \
  34   __attribute__ ((cpychecker_returns_borrowed_ref))
  35 #else
  36 #define CPYCHECKER_RETURNS_BORROWED_REF
  37 #endif
  38
  39 #ifdef WITH_CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF_ATTRIBUTE
  40 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)         \
  41   __attribute__ ((cpychecker_type_object_for_typedef (ARG)))
  42 #else
  43 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)
  44 #endif
  45
  46 #ifdef WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE
  47 #define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n) \
  48    __attribute__ ((cpychecker_steals_reference_to_arg (n)))
  49 #else
  50 #define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n)
  51 #endif
  52
  53 #ifdef WITH_CPYCHECKER_SETS_EXCEPTION_ATTRIBUTE
  54 #define CPYCHECKER_SETS_EXCEPTION __attribute__ ((cpychecker_sets_exception))
  55 #else
  56 #define CPYCHECKER_SETS_EXCEPTION
  57 #endif
  58
  59 #ifdef WITH_CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION_ATTRIBUTE
  60 #define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION               \
  61   __attribute__ ((cpychecker_negative_result_sets_exception))
  62 #else
  63 #define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
  64 #endif
  65
  66 /* Python 2.4 doesn't include stdint.h soon enough to get {u,}intptr_t
  67    needed by pyport.h.  */
  68 #include <stdint.h>
  69
  70 /* /usr/include/features.h on linux systems will define _POSIX_C_SOURCE
  71    if it sees _GNU_SOURCE (which config.h will define).
  72    pyconfig.h defines _POSIX_C_SOURCE to a different value than
  73    /usr/include/features.h does causing compilation to fail.
  74    To work around this, undef _POSIX_C_SOURCE before we include Python.h.
  75
  76    Same problem with _XOPEN_SOURCE.  */
  77 #undef _POSIX_C_SOURCE
  78 #undef _XOPEN_SOURCE
  79
  80 /* On sparc-solaris, /usr/include/sys/feature_tests.h defines
  81    _FILE_OFFSET_BITS, which pyconfig.h also defines.  Same work
  82    around technique as above.  */
  83 #undef _FILE_OFFSET_BITS
  84
  85 /* A kludge to avoid redefinition of snprintf on Windows by pyerrors.h.  */
  86 #if defined(_WIN32) && defined(HAVE_DECL_SNPRINTF)
  87 #define HAVE_SNPRINTF 1
  88 #endif
  89
  90 /* Request clean size types from Python.  */
  91 #define PY_SSIZE_T_CLEAN
  92
  93 /* Include the Python header files using angle brackets rather than
  94    double quotes.  On case-insensitive filesystems, this prevents us
  95    from including our python/python.h header file.  */
  96 #include <Python.h>
  97 #include <frameobject.h>
  98
  99 #if PY_MAJOR_VERSION >= 3
 100 #define IS_PY3K 1
 101 #endif
 102
 103 #ifdef IS_PY3K
 104 #define Py_TPFLAGS_HAVE_ITER 0
 105 #define Py_TPFLAGS_CHECKTYPES 0
 106
 107 #define PyInt_Check PyLong_Check
 108 #define PyInt_FromLong PyLong_FromLong
 109 #define PyInt_AsLong PyLong_AsLong
 110
 111 #define PyString_FromString PyUnicode_FromString
 112 #define PyString_Decode PyUnicode_Decode
 113 #define PyString_FromFormat PyUnicode_FromFormat
 114 #define PyString_Check PyUnicode_Check
 115 #endif
 116
 117 #if HAVE_LIBPYTHON2_4
 118 /* Py_ssize_t is not defined until 2.5.
 119    Logical type for Py_ssize_t is Py_intptr_t, but that fails in 64-bit
 120    compilation due to several apparent mistakes in python2.4 API, so we
 121    use 'int' instead.  */
 122 typedef int Py_ssize_t;
 123 #endif
 124
 125 #ifndef PyVarObject_HEAD_INIT
 126 /* Python 2.4 does not define PyVarObject_HEAD_INIT.  */
 127 #define PyVarObject_HEAD_INIT(type, size)       \
 128     PyObject_HEAD_INIT(type) size,
 129
 130 #endif
 131
 132 #ifndef Py_TYPE
 133 /* Python 2.4 does not define Py_TYPE.  */
 134 #define Py_TYPE(ob)             (((PyObject*)(ob))->ob_type)
 135 #endif
 136
 137 /* If Python.h does not define WITH_THREAD, then the various
 138    GIL-related functions will not be defined.  However,
 139    PyGILState_STATE will be.  */
 140 #ifndef WITH_THREAD
 141 #define PyGILState_Ensure() ((PyGILState_STATE) 0)
 142 #define PyGILState_Release(ARG) ((void)(ARG))
 143 #define PyEval_InitThreads()
 144 #define PyThreadState_Swap(ARG) ((void)(ARG))
 145 #define PyEval_ReleaseLock()
 146 #endif
 147
 148 /* Python supplies HAVE_LONG_LONG and some `long long' support when it
 149    is available.  These defines let us handle the differences more
 150    cleanly.  */
 151 #ifdef HAVE_LONG_LONG
 152
 153 #define GDB_PY_LL_ARG "L"
 154 #define GDB_PY_LLU_ARG "K"
 155 typedef PY_LONG_LONG gdb_py_longest;
 156 typedef unsigned PY_LONG_LONG gdb_py_ulongest;
 157 #define gdb_py_long_from_longest PyLong_FromLongLong
 158 #define gdb_py_long_from_ulongest PyLong_FromUnsignedLongLong
 159 #define gdb_py_long_as_ulongest PyLong_AsUnsignedLongLong
 160
 161 #else /* HAVE_LONG_LONG */
 162
 163 #define GDB_PY_LL_ARG "L"
 164 #define GDB_PY_LLU_ARG "K"
 165 typedef long gdb_py_longest;
 166 typedef unsigned long gdb_py_ulongest;
 167 #define gdb_py_long_from_longest PyLong_FromLong
 168 #define gdb_py_long_from_ulongest PyLong_FromUnsignedLong
 169 #define gdb_py_long_as_ulongest PyLong_AsUnsignedLong
 170
 171 #endif /* HAVE_LONG_LONG */
 172
 173 #if PY_VERSION_HEX < 0x03020000
 174 typedef long Py_hash_t;
 175 #endif
 176
 177 /* Python 2.6 did not wrap Py_DECREF in 'do {...} while (0)', leading
 178    to 'suggest explicit braces to avoid ambiguous ‘else’' gcc errors.
 179    Wrap it ourselves, so that callers don't need to care.  */
 180
 181 static inline void
 182 gdb_Py_DECREF (void *op) /* ARI: editCase function */
 183 {
 184   /* ... and Python 2.4 didn't cast OP to PyObject pointer on the
 185      '(op)->ob_refcnt' references within the macro.  Cast it ourselves
 186      too.  */
 187   Py_DECREF ((PyObject *) op);
 188 }
 189
 190 #undef Py_DECREF
 191 #define Py_DECREF(op) gdb_Py_DECREF (op)
 192
 193 /* The second argument to PyObject_GetAttrString was missing the 'const'
 194    qualifier in Python-2.4.  Hence, we wrap it in a function to avoid errors
 195    when compiled with -Werror.  */
 196
 197 static inline PyObject *
 198 gdb_PyObject_GetAttrString (PyObject *obj,
 199                             const char *attr) /* ARI: editCase function */
 200 {
 201   return PyObject_GetAttrString (obj, (char *) attr);
 202 }
 203
 204 #define PyObject_GetAttrString(obj, attr) gdb_PyObject_GetAttrString (obj, attr)
 205
 206 /* The second argument to PyObject_HasAttrString was also missing the 'const'
 207    qualifier in Python-2.4.  Hence, we wrap it also in a function to avoid
 208    errors when compiled with -Werror.  */
 209
 210 static inline int
 211 gdb_PyObject_HasAttrString (PyObject *obj,
 212                             const char *attr)  /* ARI: editCase function */
 213 {
 214   return PyObject_HasAttrString (obj, (char *) attr);
 215 }
 216
 217 #define PyObject_HasAttrString(obj, attr) gdb_PyObject_HasAttrString (obj, attr)
 218
 219 /* In order to be able to parse symtab_and_line_to_sal_object function
 220    a real symtab_and_line structure is needed.  */
 221 #include "symtab.h"
 222
 223 /* Also needed to parse enum var_types. */
 224 #include "command.h"
 225 #include "breakpoint.h"
 226
 227 enum gdbpy_iter_kind { iter_keys, iter_values, iter_items };
 228
 229 struct block;
 230 struct value;
 231 struct language_defn;
 232 struct program_space;
 233 struct bpstats;
 234 struct inferior;
 235
 236 extern int gdb_python_initialized;
 237
 238 extern PyObject *gdb_module;
 239 extern PyObject *gdb_python_module;
 240 extern PyTypeObject value_object_type
 241     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("value_object");
 242 extern PyTypeObject block_object_type
 243     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("block_object");
 244 extern PyTypeObject symbol_object_type
 245     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("symbol_object");
 246 extern PyTypeObject event_object_type
 247     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
 248 extern PyTypeObject stop_event_object_type
 249     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
 250 extern PyTypeObject breakpoint_object_type
 251     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("breakpoint_object");
 252 extern PyTypeObject frame_object_type
 253     CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("frame_object");
 254
 255 typedef struct gdbpy_breakpoint_object
 256 {
 257   PyObject_HEAD
 258
 259   /* The breakpoint number according to gdb.  */
 260   int number;
 261
 262   /* The gdb breakpoint object, or NULL if the breakpoint has been
 263      deleted.  */
 264   struct breakpoint *bp;
 265
 266   /* 1 is this is a FinishBreakpoint object, 0 otherwise.  */
 267   int is_finish_bp;
 268 } gdbpy_breakpoint_object;
 269
 270 /* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
 271    exception if it is invalid.  */
 272 #define BPPY_REQUIRE_VALID(Breakpoint)                                  \
 273     do {                                                                \
 274       if ((Breakpoint)->bp == NULL)                                     \
 275         return PyErr_Format (PyExc_RuntimeError,                        \
 276                              _("Breakpoint %d is invalid."),            \
 277                              (Breakpoint)->number);                     \
 278     } while (0)
 279
 280 /* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
 281    exception if it is invalid.  This macro is for use in setter functions.  */
 282 #define BPPY_SET_REQUIRE_VALID(Breakpoint)                              \
 283     do {                                                                \
 284       if ((Breakpoint)->bp == NULL)                                     \
 285         {                                                               \
 286           PyErr_Format (PyExc_RuntimeError, _("Breakpoint %d is invalid."), \
 287                         (Breakpoint)->number);                          \
 288           return -1;                                                    \
 289         }                                                               \
 290     } while (0)
 291
 292
 293 /* Variables used to pass information between the Breakpoint
 294    constructor and the breakpoint-created hook function.  */
 295 extern gdbpy_breakpoint_object *bppy_pending_object;
 296
 297
 298 typedef struct
 299 {
 300   PyObject_HEAD
 301
 302   /* The thread we represent.  */
 303   struct thread_info *thread;
 304
 305   /* The Inferior object to which this thread belongs.  */
 306   PyObject *inf_obj;
 307 } thread_object;
 308
 309 extern struct cmd_list_element *set_python_list;
 310 extern struct cmd_list_element *show_python_list;
 311 \f
 312 /* extension_language_script_ops "methods".  */
 313
 314 extern int gdbpy_auto_load_enabled (const struct extension_language_defn *);
 315
 316 /* extension_language_ops "methods".  */
 317
 318 extern enum ext_lang_rc gdbpy_apply_val_pretty_printer
 319   (const struct extension_language_defn *,
 320    struct type *type, const gdb_byte *valaddr,
 321    int embedded_offset, CORE_ADDR address,
 322    struct ui_file *stream, int recurse,
 323    const struct value *val,
 324    const struct value_print_options *options,
 325    const struct language_defn *language);
 326 extern enum ext_lang_bt_status gdbpy_apply_frame_filter
 327   (const struct extension_language_defn *,
 328    struct frame_info *frame, int flags, enum ext_lang_frame_args args_type,
 329    struct ui_out *out, int frame_low, int frame_high);
 330 extern void gdbpy_preserve_values (const struct extension_language_defn *,
 331                                    struct objfile *objfile,
 332                                    htab_t copied_types);
 333 extern enum ext_lang_bp_stop gdbpy_breakpoint_cond_says_stop
 334   (const struct extension_language_defn *, struct breakpoint *);
 335 extern int gdbpy_breakpoint_has_cond (const struct extension_language_defn *,
 336                                       struct breakpoint *b);
 337
 338 extern void *gdbpy_clone_xmethod_worker_data
 339   (const struct extension_language_defn *extlang, void *data);
 340 extern void gdbpy_free_xmethod_worker_data
 341   (const struct extension_language_defn *extlang, void *data);
 342 extern enum ext_lang_rc gdbpy_get_matching_xmethod_workers
 343   (const struct extension_language_defn *extlang,
 344    struct type *obj_type, const char *method_name,
 345    xmethod_worker_vec **dm_vec);
 346 extern enum ext_lang_rc gdbpy_get_xmethod_arg_types
 347   (const struct extension_language_defn *extlang,
 348    struct xmethod_worker *worker,
 349    int *nargs,
 350    struct type ***arg_types);
 351 extern struct value *gdbpy_invoke_xmethod
 352   (const struct extension_language_defn *extlang,
 353    struct xmethod_worker *worker,
 354    struct value *obj, struct value **args, int nargs);
 355 \f
 356 PyObject *gdbpy_history (PyObject *self, PyObject *args);
 357 PyObject *gdbpy_breakpoints (PyObject *, PyObject *);
 358 PyObject *gdbpy_frame_stop_reason_string (PyObject *, PyObject *);
 359 PyObject *gdbpy_lookup_symbol (PyObject *self, PyObject *args, PyObject *kw);
 360 PyObject *gdbpy_lookup_global_symbol (PyObject *self, PyObject *args,
 361                                       PyObject *kw);
 362 PyObject *gdbpy_newest_frame (PyObject *self, PyObject *args);
 363 PyObject *gdbpy_selected_frame (PyObject *self, PyObject *args);
 364 PyObject *gdbpy_block_for_pc (PyObject *self, PyObject *args);
 365 PyObject *gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw);
 366 int gdbpy_is_field (PyObject *obj);
 367 PyObject *gdbpy_create_lazy_string_object (CORE_ADDR address, long length,
 368                                            const char *encoding,
 369                                            struct type *type);
 370 PyObject *gdbpy_inferiors (PyObject *unused, PyObject *unused2);
 371 PyObject *gdbpy_create_ptid_object (ptid_t ptid);
 372 PyObject *gdbpy_selected_thread (PyObject *self, PyObject *args);
 373 PyObject *gdbpy_selected_inferior (PyObject *self, PyObject *args);
 374 PyObject *gdbpy_string_to_argv (PyObject *self, PyObject *args);
 375 PyObject *gdbpy_parameter (PyObject *self, PyObject *args);
 376 PyObject *gdbpy_parameter_value (enum var_types type, void *var);
 377 char *gdbpy_parse_command_name (const char *name,
 378                                 struct cmd_list_element ***base_list,
 379                                 struct cmd_list_element **start_list);
 380
 381 PyObject *symtab_and_line_to_sal_object (struct symtab_and_line sal);
 382 PyObject *symtab_to_symtab_object (struct symtab *symtab);
 383 PyObject *symbol_to_symbol_object (struct symbol *sym);
 384 PyObject *block_to_block_object (const struct block *block,
 385                                  struct objfile *objfile);
 386 PyObject *value_to_value_object (struct value *v);
 387 PyObject *type_to_type_object (struct type *);
 388 PyObject *frame_info_to_frame_object (struct frame_info *frame);
 389 PyObject *symtab_to_linetable_object (PyObject *symtab);
 390 PyObject *pspace_to_pspace_object (struct program_space *)
 391     CPYCHECKER_RETURNS_BORROWED_REF;
 392 PyObject *pspy_get_printers (PyObject *, void *);
 393 PyObject *pspy_get_frame_filters (PyObject *, void *);
 394 PyObject *pspy_get_xmethods (PyObject *, void *);
 395
 396 PyObject *objfile_to_objfile_object (struct objfile *)
 397     CPYCHECKER_RETURNS_BORROWED_REF;
 398 PyObject *objfpy_get_printers (PyObject *, void *);
 399 PyObject *objfpy_get_frame_filters (PyObject *, void *);
 400 PyObject *objfpy_get_xmethods (PyObject *, void *);
 401 PyObject *gdbpy_lookup_objfile (PyObject *self, PyObject *args, PyObject *kw);
 402
 403 PyObject *gdbarch_to_arch_object (struct gdbarch *gdbarch);
 404
 405 thread_object *create_thread_object (struct thread_info *tp);
 406 thread_object *find_thread_object (ptid_t ptid)
 407     CPYCHECKER_RETURNS_BORROWED_REF;
 408 PyObject *find_inferior_object (int pid);
 409 PyObject *inferior_to_inferior_object (struct inferior *inferior);
 410
 411 const struct block *block_object_to_block (PyObject *obj);
 412 struct symbol *symbol_object_to_symbol (PyObject *obj);
 413 struct value *value_object_to_value (PyObject *self);
 414 struct value *convert_value_from_python (PyObject *obj);
 415 struct type *type_object_to_type (PyObject *obj);
 416 struct symtab *symtab_object_to_symtab (PyObject *obj);
 417 struct symtab_and_line *sal_object_to_symtab_and_line (PyObject *obj);
 418 struct frame_info *frame_object_to_frame_info (PyObject *frame_obj);
 419 struct gdbarch *arch_object_to_gdbarch (PyObject *obj);
 420
 421 void gdbpy_initialize_gdb_readline (void);
 422 int gdbpy_initialize_auto_load (void)
 423   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 424 int gdbpy_initialize_values (void)
 425   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 426 int gdbpy_initialize_frames (void)
 427   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 428 int gdbpy_initialize_symtabs (void)
 429   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 430 int gdbpy_initialize_commands (void)
 431   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 432 int gdbpy_initialize_symbols (void)
 433   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 434 int gdbpy_initialize_symtabs (void)
 435   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 436 int gdbpy_initialize_blocks (void)
 437   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 438 int gdbpy_initialize_types (void)
 439   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 440 int gdbpy_initialize_functions (void)
 441   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 442 int gdbpy_initialize_pspace (void)
 443   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 444 int gdbpy_initialize_objfile (void)
 445   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 446 int gdbpy_initialize_breakpoints (void)
 447   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 448 int gdbpy_initialize_finishbreakpoints (void)
 449   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 450 int gdbpy_initialize_lazy_string (void)
 451   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 452 int gdbpy_initialize_linetable (void)
 453   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 454 int gdbpy_initialize_parameters (void)
 455   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 456 int gdbpy_initialize_thread (void)
 457   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 458 int gdbpy_initialize_inferior (void)
 459   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 460 int gdbpy_initialize_eventregistry (void)
 461   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 462 int gdbpy_initialize_event (void)
 463   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 464 int gdbpy_initialize_py_events (void)
 465   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 466 int gdbpy_initialize_stop_event (void)
 467   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 468 int gdbpy_initialize_signal_event (void)
 469   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 470 int gdbpy_initialize_breakpoint_event (void)
 471   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 472 int gdbpy_initialize_continue_event (void)
 473   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 474 int gdbpy_initialize_inferior_call_pre_event (void)
 475   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 476 int gdbpy_initialize_inferior_call_post_event (void)
 477   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 478 int gdbpy_initialize_register_changed_event (void)
 479   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 480 int gdbpy_initialize_memory_changed_event (void)
 481   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 482 int gdbpy_initialize_exited_event (void)
 483   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 484 int gdbpy_initialize_thread_event (void)
 485   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 486 int gdbpy_initialize_new_objfile_event (void)
 487   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 488 int gdbpy_initialize_clear_objfiles_event (void)
 489   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 490 int gdbpy_initialize_arch (void)
 491   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 492 int gdbpy_initialize_xmethods (void)
 493   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 494
 495 struct cleanup *make_cleanup_py_decref (PyObject *py);
 496 struct cleanup *make_cleanup_py_xdecref (PyObject *py);
 497
 498 struct cleanup *ensure_python_env (struct gdbarch *gdbarch,
 499                                    const struct language_defn *language);
 500
 501 extern struct gdbarch *python_gdbarch;
 502 extern const struct language_defn *python_language;
 503
 504 /* Use this after a TRY_EXCEPT to throw the appropriate Python
 505    exception.  */
 506 #define GDB_PY_HANDLE_EXCEPTION(Exception)      \
 507   do {                                          \
 508     if (Exception.reason < 0)                   \
 509       {                                         \
 510         gdbpy_convert_exception (Exception);    \
 511         return NULL;                            \
 512       }                                         \
 513   } while (0)
 514
 515 /* Use this after a TRY_EXCEPT to throw the appropriate Python
 516    exception.  This macro is for use inside setter functions.  */
 517 #define GDB_PY_SET_HANDLE_EXCEPTION(Exception)                          \
 518     do {                                                                \
 519       if (Exception.reason < 0)                                         \
 520         {                                                               \
 521           gdbpy_convert_exception (Exception);                          \
 522           return -1;                                                    \
 523         }                                                               \
 524     } while (0)
 525
 526 void gdbpy_print_stack (void);
 527
 528 PyObject *python_string_to_unicode (PyObject *obj);
 529 char *unicode_to_target_string (PyObject *unicode_str);
 530 char *python_string_to_target_string (PyObject *obj);
 531 PyObject *python_string_to_target_python_string (PyObject *obj);
 532 char *python_string_to_host_string (PyObject *obj);
 533 int gdbpy_is_string (PyObject *obj);
 534 char *gdbpy_obj_to_string (PyObject *obj);
 535 char *gdbpy_exception_to_string (PyObject *ptype, PyObject *pvalue);
 536
 537 int gdbpy_is_lazy_string (PyObject *result);
 538 void gdbpy_extract_lazy_string (PyObject *string, CORE_ADDR *addr,
 539                                 struct type **str_type,
 540                                 long *length, char **encoding);
 541
 542 int gdbpy_is_value_object (PyObject *obj);
 543
 544 /* Note that these are declared here, and not in python.h with the
 545    other pretty-printer functions, because they refer to PyObject.  */
 546 PyObject *apply_varobj_pretty_printer (PyObject *print_obj,
 547                                        struct value **replacement,
 548                                        struct ui_file *stream);
 549 PyObject *gdbpy_get_varobj_pretty_printer (struct value *value);
 550 char *gdbpy_get_display_hint (PyObject *printer);
 551 PyObject *gdbpy_default_visualizer (PyObject *self, PyObject *args);
 552
 553 void bpfinishpy_pre_stop_hook (struct gdbpy_breakpoint_object *bp_obj);
 554 void bpfinishpy_post_stop_hook (struct gdbpy_breakpoint_object *bp_obj);
 555
 556 extern PyObject *gdbpy_doc_cst;
 557 extern PyObject *gdbpy_children_cst;
 558 extern PyObject *gdbpy_to_string_cst;
 559 extern PyObject *gdbpy_display_hint_cst;
 560 extern PyObject *gdbpy_enabled_cst;
 561 extern PyObject *gdbpy_value_cst;
 562
 563 /* Exception types.  */
 564 extern PyObject *gdbpy_gdb_error;
 565 extern PyObject *gdbpy_gdb_memory_error;
 566 extern PyObject *gdbpy_gdberror_exc;
 567
 568 extern void gdbpy_convert_exception (struct gdb_exception)
 569     CPYCHECKER_SETS_EXCEPTION;
 570
 571 int get_addr_from_python (PyObject *obj, CORE_ADDR *addr)
 572     CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 573
 574 PyObject *gdb_py_object_from_longest (LONGEST l);
 575 PyObject *gdb_py_object_from_ulongest (ULONGEST l);
 576 int gdb_py_int_as_long (PyObject *, long *);
 577
 578 PyObject *gdb_py_generic_dict (PyObject *self, void *closure);
 579
 580 int gdb_pymodule_addobject (PyObject *module, const char *name,
 581                             PyObject *object)
 582   CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 583
 584 struct varobj_iter;
 585 struct varobj;
 586 struct varobj_iter *py_varobj_get_iterator (struct varobj *var,
 587                                             PyObject *printer);
 588
 589 #endif /* GDB_PYTHON_INTERNAL_H */