change delegation for to_read_description
[deliverable/binutils-gdb.git] / gdb / python / python-internal.h
index 9196f08e2510ad8f52b634bb1e2364d0e1db6cb0..07650f7323662a4ae257ce4db3bb82249d75bebc 100644 (file)
@@ -1,6 +1,6 @@
 /* Gdb/Python header for private use by Python module.
 
-   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2008-2014 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
 #ifndef GDB_PYTHON_INTERNAL_H
 #define GDB_PYTHON_INTERNAL_H
 
+#include "extension.h"
+
+/* These WITH_* macros are defined by the CPython API checker that
+   comes with the Python plugin for GCC.  See:
+   https://gcc-python-plugin.readthedocs.org/en/latest/cpychecker.html
+   The checker defines a WITH_ macro for each attribute it
+   exposes.  */
+
+#ifdef WITH_CPYCHECKER_RETURNS_BORROWED_REF_ATTRIBUTE
+#define CPYCHECKER_RETURNS_BORROWED_REF                        \
+  __attribute__ ((cpychecker_returns_borrowed_ref))
+#else
+#define CPYCHECKER_RETURNS_BORROWED_REF
+#endif
+
+#ifdef WITH_CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF_ATTRIBUTE
+#define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)                \
+  __attribute__ ((cpychecker_type_object_for_typedef (ARG)))
+#else
+#define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(ARG)
+#endif
+
+#ifdef WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE
+#define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n) \
+   __attribute__ ((cpychecker_steals_reference_to_arg (n)))
+#else
+#define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n)
+#endif
+
+#ifdef WITH_CPYCHECKER_SETS_EXCEPTION_ATTRIBUTE
+#define CPYCHECKER_SETS_EXCEPTION __attribute__ ((cpychecker_sets_exception))
+#else
+#define CPYCHECKER_SETS_EXCEPTION
+#endif
+
+#ifdef WITH_CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION_ATTRIBUTE
+#define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION              \
+  __attribute__ ((cpychecker_negative_result_sets_exception))
+#else
+#define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
+#endif
+
+#include <stdio.h>
+
 /* Python 2.4 doesn't include stdint.h soon enough to get {u,}intptr_t
    needed by pyport.h.  */
 #include <stdint.h>
    if it sees _GNU_SOURCE (which config.h will define).
    pyconfig.h defines _POSIX_C_SOURCE to a different value than
    /usr/include/features.h does causing compilation to fail.
-   To work around this, undef _POSIX_C_SOURCE before we include Python.h.  */
+   To work around this, undef _POSIX_C_SOURCE before we include Python.h.
+
+   Same problem with _XOPEN_SOURCE.  */
 #undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+/* On sparc-solaris, /usr/include/sys/feature_tests.h defines
+   _FILE_OFFSET_BITS, which pyconfig.h also defines.  Same work
+   around technique as above.  */
+#undef _FILE_OFFSET_BITS
+
+/* A kludge to avoid redefinition of snprintf on Windows by pyerrors.h.  */
+#if defined(_WIN32) && defined(HAVE_DECL_SNPRINTF)
+#define HAVE_SNPRINTF 1
+#endif
+
+/* Request clean size types from Python.  */
+#define PY_SSIZE_T_CLEAN
+
+/* Include the Python header files using angle brackets rather than
+   double quotes.  On case-insensitive filesystems, this prevents us
+   from including our python/python.h header file.  */
+#include <Python.h>
+#include <frameobject.h>
+
+#if PY_MAJOR_VERSION >= 3
+#define IS_PY3K 1
+#endif
+
+#ifdef IS_PY3K
+#define Py_TPFLAGS_HAVE_ITER 0
+#define Py_TPFLAGS_CHECKTYPES 0
+
+#define PyInt_Check PyLong_Check
+#define PyInt_FromLong PyLong_FromLong
+#define PyInt_AsLong PyLong_AsLong
+
+#define PyString_FromString PyUnicode_FromString
+#define PyString_Decode PyUnicode_Decode
+#define PyString_FromFormat PyUnicode_FromFormat
+#define PyString_Check PyUnicode_Check
+#endif
 
 #if HAVE_LIBPYTHON2_4
-#include "python2.4/Python.h"
-#include "python2.4/frameobject.h"
 /* Py_ssize_t is not defined until 2.5.
    Logical type for Py_ssize_t is Py_intptr_t, but that fails in 64-bit
    compilation due to several apparent mistakes in python2.4 API, so we
    use 'int' instead.  */
 typedef int Py_ssize_t;
-#elif HAVE_LIBPYTHON2_5
-#include "python2.5/Python.h"
-#include "python2.5/frameobject.h"
-#elif HAVE_LIBPYTHON2_6
-#include "python2.6/Python.h"
-#include "python2.6/frameobject.h"
-#else
-#error "Unable to find usable Python.h"
+#endif
+
+#ifndef PyVarObject_HEAD_INIT
+/* Python 2.4 does not define PyVarObject_HEAD_INIT.  */
+#define PyVarObject_HEAD_INIT(type, size)       \
+    PyObject_HEAD_INIT(type) size,
+
+#endif
+
+#ifndef Py_TYPE
+/* Python 2.4 does not define Py_TYPE.  */
+#define Py_TYPE(ob)             (((PyObject*)(ob))->ob_type)
 #endif
 
 /* If Python.h does not define WITH_THREAD, then the various
@@ -54,45 +140,299 @@ typedef int Py_ssize_t;
    PyGILState_STATE will be.  */
 #ifndef WITH_THREAD
 #define PyGILState_Ensure() ((PyGILState_STATE) 0)
-#define PyGILState_Release(ARG) (ARG)
-#define PyEval_InitThreads() 0
-#define PyThreadState_Swap(ARG) (ARG)
-#define PyEval_InitThreads() 0
-#define PyEval_ReleaseLock() 0
+#define PyGILState_Release(ARG) ((void)(ARG))
+#define PyEval_InitThreads()
+#define PyThreadState_Swap(ARG) ((void)(ARG))
+#define PyEval_ReleaseLock()
 #endif
 
+/* Python supplies HAVE_LONG_LONG and some `long long' support when it
+   is available.  These defines let us handle the differences more
+   cleanly.  */
+#ifdef HAVE_LONG_LONG
+
+#define GDB_PY_LL_ARG "L"
+#define GDB_PY_LLU_ARG "K"
+typedef PY_LONG_LONG gdb_py_longest;
+typedef unsigned PY_LONG_LONG gdb_py_ulongest;
+#define gdb_py_long_from_longest PyLong_FromLongLong
+#define gdb_py_long_from_ulongest PyLong_FromUnsignedLongLong
+#define gdb_py_long_as_ulongest PyLong_AsUnsignedLongLong
+
+#else /* HAVE_LONG_LONG */
+
+#define GDB_PY_LL_ARG "L"
+#define GDB_PY_LLU_ARG "K"
+typedef long gdb_py_longest;
+typedef unsigned long gdb_py_ulongest;
+#define gdb_py_long_from_longest PyLong_FromLong
+#define gdb_py_long_from_ulongest PyLong_FromUnsignedLong
+#define gdb_py_long_as_ulongest PyLong_AsUnsignedLong
+
+#endif /* HAVE_LONG_LONG */
+
+/* Python 2.6 did not wrap Py_DECREF in 'do {...} while (0)', leading
+   to 'suggest explicit braces to avoid ambiguous ‘else’' gcc errors.
+   Wrap it ourselves, so that callers don't need to care.  */
+
+static inline void
+gdb_Py_DECREF (void *op) /* ARI: editCase function */
+{
+  /* ... and Python 2.4 didn't cast OP to PyObject pointer on the
+     '(op)->ob_refcnt' references within the macro.  Cast it ourselves
+     too.  */
+  Py_DECREF ((PyObject *) op);
+}
+
+#undef Py_DECREF
+#define Py_DECREF(op) gdb_Py_DECREF (op)
+
+/* In order to be able to parse symtab_and_line_to_sal_object function
+   a real symtab_and_line structure is needed.  */
+#include "symtab.h"
+
+/* Also needed to parse enum var_types. */
+#include "command.h"
+#include "breakpoint.h"
+
+#include "exceptions.h"
+
+enum gdbpy_iter_kind { iter_keys, iter_values, iter_items };
+
+struct block;
 struct value;
 struct language_defn;
+struct program_space;
+struct bpstats;
+struct inferior;
+
+extern int gdb_python_initialized;
 
 extern PyObject *gdb_module;
-extern PyTypeObject value_object_type;
+extern PyObject *gdb_python_module;
+extern PyTypeObject value_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("value_object");
+extern PyTypeObject block_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("block_object");
+extern PyTypeObject symbol_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("symbol_object");
+extern PyTypeObject event_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
+extern PyTypeObject stop_event_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
+extern PyTypeObject breakpoint_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("breakpoint_object");
+extern PyTypeObject frame_object_type
+    CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("frame_object");
+
+typedef struct gdbpy_breakpoint_object
+{
+  PyObject_HEAD
+
+  /* The breakpoint number according to gdb.  */
+  int number;
+
+  /* The gdb breakpoint object, or NULL if the breakpoint has been
+     deleted.  */
+  struct breakpoint *bp;
+
+  /* 1 is this is a FinishBreakpoint object, 0 otherwise.  */
+  int is_finish_bp;
+} gdbpy_breakpoint_object;
+
+/* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
+   exception if it is invalid.  */
+#define BPPY_REQUIRE_VALID(Breakpoint)                                  \
+    do {                                                                \
+      if ((Breakpoint)->bp == NULL)                                     \
+        return PyErr_Format (PyExc_RuntimeError,                        \
+                             _("Breakpoint %d is invalid."),            \
+                             (Breakpoint)->number);                     \
+    } while (0)
+
+/* Require that BREAKPOINT be a valid breakpoint ID; throw a Python
+   exception if it is invalid.  This macro is for use in setter functions.  */
+#define BPPY_SET_REQUIRE_VALID(Breakpoint)                              \
+    do {                                                                \
+      if ((Breakpoint)->bp == NULL)                                     \
+        {                                                               \
+          PyErr_Format (PyExc_RuntimeError, _("Breakpoint %d is invalid."), \
+                        (Breakpoint)->number);                          \
+          return -1;                                                    \
+        }                                                               \
+    } while (0)
+
+
+/* Variables used to pass information between the Breakpoint
+   constructor and the breakpoint-created hook function.  */
+extern gdbpy_breakpoint_object *bppy_pending_object;
+
 
+typedef struct
+{
+  PyObject_HEAD
+
+  /* The thread we represent.  */
+  struct thread_info *thread;
+
+  /* The Inferior object to which this thread belongs.  */
+  PyObject *inf_obj;
+} thread_object;
+
+extern struct cmd_list_element *set_python_list;
+extern struct cmd_list_element *show_python_list;
+\f
+/* extension_language_script_ops "methods".  */
+
+extern int gdbpy_auto_load_enabled (const struct extension_language_defn *);
+
+/* extension_language_ops "methods".  */
+
+extern enum ext_lang_rc gdbpy_apply_val_pretty_printer
+  (const struct extension_language_defn *,
+   struct type *type, const gdb_byte *valaddr,
+   int embedded_offset, CORE_ADDR address,
+   struct ui_file *stream, int recurse,
+   const struct value *val,
+   const struct value_print_options *options,
+   const struct language_defn *language);
+extern enum ext_lang_bt_status gdbpy_apply_frame_filter
+  (const struct extension_language_defn *,
+   struct frame_info *frame, int flags, enum ext_lang_frame_args args_type,
+   struct ui_out *out, int frame_low, int frame_high);
+extern void gdbpy_preserve_values (const struct extension_language_defn *,
+                                  struct objfile *objfile,
+                                  htab_t copied_types);
+extern enum ext_lang_bp_stop gdbpy_breakpoint_cond_says_stop
+  (const struct extension_language_defn *, struct breakpoint *);
+extern int gdbpy_breakpoint_has_cond (const struct extension_language_defn *,
+                                     struct breakpoint *b);
+\f
 PyObject *gdbpy_history (PyObject *self, PyObject *args);
+PyObject *gdbpy_breakpoints (PyObject *, PyObject *);
 PyObject *gdbpy_frame_stop_reason_string (PyObject *, PyObject *);
+PyObject *gdbpy_lookup_symbol (PyObject *self, PyObject *args, PyObject *kw);
+PyObject *gdbpy_lookup_global_symbol (PyObject *self, PyObject *args,
+                                     PyObject *kw);
+PyObject *gdbpy_newest_frame (PyObject *self, PyObject *args);
 PyObject *gdbpy_selected_frame (PyObject *self, PyObject *args);
+PyObject *gdbpy_block_for_pc (PyObject *self, PyObject *args);
 PyObject *gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw);
+int gdbpy_is_field (PyObject *obj);
 PyObject *gdbpy_create_lazy_string_object (CORE_ADDR address, long length,
-                                          const char *encoding, struct type *type);
+                                          const char *encoding,
+                                          struct type *type);
+PyObject *gdbpy_inferiors (PyObject *unused, PyObject *unused2);
+PyObject *gdbpy_selected_thread (PyObject *self, PyObject *args);
+PyObject *gdbpy_selected_inferior (PyObject *self, PyObject *args);
+PyObject *gdbpy_string_to_argv (PyObject *self, PyObject *args);
+PyObject *gdbpy_parameter (PyObject *self, PyObject *args);
+PyObject *gdbpy_parameter_value (enum var_types type, void *var);
+char *gdbpy_parse_command_name (const char *name,
+                               struct cmd_list_element ***base_list,
+                               struct cmd_list_element **start_list);
 
+PyObject *symtab_and_line_to_sal_object (struct symtab_and_line sal);
+PyObject *symtab_to_symtab_object (struct symtab *symtab);
+PyObject *symbol_to_symbol_object (struct symbol *sym);
+PyObject *block_to_block_object (const struct block *block,
+                                struct objfile *objfile);
 PyObject *value_to_value_object (struct value *v);
 PyObject *type_to_type_object (struct type *);
-PyObject *objfile_to_objfile_object (struct objfile *);
+PyObject *frame_info_to_frame_object (struct frame_info *frame);
+PyObject *symtab_to_linetable_object (PyObject *symtab);
+PyObject *pspace_to_pspace_object (struct program_space *)
+    CPYCHECKER_RETURNS_BORROWED_REF;
+PyObject *pspy_get_printers (PyObject *, void *);
+PyObject *pspy_get_frame_filters (PyObject *, void *);
 
+PyObject *objfile_to_objfile_object (struct objfile *)
+    CPYCHECKER_RETURNS_BORROWED_REF;
 PyObject *objfpy_get_printers (PyObject *, void *);
+PyObject *objfpy_get_frame_filters (PyObject *, void *);
+
+PyObject *gdbarch_to_arch_object (struct gdbarch *gdbarch);
+
+thread_object *create_thread_object (struct thread_info *tp);
+thread_object *find_thread_object (ptid_t ptid)
+    CPYCHECKER_RETURNS_BORROWED_REF;
+PyObject *find_inferior_object (int pid);
+PyObject *inferior_to_inferior_object (struct inferior *inferior);
 
+const struct block *block_object_to_block (PyObject *obj);
+struct symbol *symbol_object_to_symbol (PyObject *obj);
 struct value *value_object_to_value (PyObject *self);
 struct value *convert_value_from_python (PyObject *obj);
 struct type *type_object_to_type (PyObject *obj);
+struct symtab *symtab_object_to_symtab (PyObject *obj);
+struct symtab_and_line *sal_object_to_symtab_and_line (PyObject *obj);
+struct frame_info *frame_object_to_frame_info (PyObject *frame_obj);
+struct gdbarch *arch_object_to_gdbarch (PyObject *obj);
 
-void gdbpy_initialize_values (void);
-void gdbpy_initialize_frames (void);
-void gdbpy_initialize_commands (void);
-void gdbpy_initialize_types (void);
-void gdbpy_initialize_functions (void);
-void gdbpy_initialize_objfile (void);
-void gdbpy_initialize_lazy_string (void);
+void gdbpy_initialize_gdb_readline (void);
+int gdbpy_initialize_auto_load (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_values (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_frames (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_symtabs (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_commands (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_symbols (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_symtabs (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_blocks (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_types (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_functions (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_pspace (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_objfile (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_breakpoints (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_finishbreakpoints (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_lazy_string (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_linetable (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_parameters (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_thread (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_inferior (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_eventregistry (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_py_events (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_stop_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_signal_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_breakpoint_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_continue_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_exited_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_thread_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_new_objfile_event (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+int gdbpy_initialize_arch (void)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 
 struct cleanup *make_cleanup_py_decref (PyObject *py);
+struct cleanup *make_cleanup_py_xdecref (PyObject *py);
 
 struct cleanup *ensure_python_env (struct gdbarch *gdbarch,
                                   const struct language_defn *language);
@@ -102,15 +442,26 @@ extern const struct language_defn *python_language;
 
 /* Use this after a TRY_EXCEPT to throw the appropriate Python
    exception.  */
-#define GDB_PY_HANDLE_EXCEPTION(Exception)                             \
+#define GDB_PY_HANDLE_EXCEPTION(Exception)     \
+  do {                                         \
+    if (Exception.reason < 0)                  \
+      {                                                \
+       gdbpy_convert_exception (Exception);    \
+        return NULL;                           \
+      }                                                \
+  } while (0)
+
+/* Use this after a TRY_EXCEPT to throw the appropriate Python
+   exception.  This macro is for use inside setter functions.  */
+#define GDB_PY_SET_HANDLE_EXCEPTION(Exception)                         \
     do {                                                               \
       if (Exception.reason < 0)                                                \
-       return PyErr_Format (Exception.reason == RETURN_QUIT            \
-                            ? PyExc_KeyboardInterrupt : PyExc_RuntimeError, \
-                            "%s", Exception.message);                  \
+        {                                                              \
+         gdbpy_convert_exception (Exception);                          \
+         return -1;                                                    \
+       }                                                               \
     } while (0)
 
-
 void gdbpy_print_stack (void);
 
 PyObject *python_string_to_unicode (PyObject *obj);
@@ -118,24 +469,55 @@ char *unicode_to_target_string (PyObject *unicode_str);
 char *python_string_to_target_string (PyObject *obj);
 PyObject *python_string_to_target_python_string (PyObject *obj);
 char *python_string_to_host_string (PyObject *obj);
-PyObject *target_string_to_unicode (const gdb_byte *str, int length);
 int gdbpy_is_string (PyObject *obj);
+char *gdbpy_obj_to_string (PyObject *obj);
+char *gdbpy_exception_to_string (PyObject *ptype, PyObject *pvalue);
+
 int gdbpy_is_lazy_string (PyObject *result);
-gdb_byte *gdbpy_extract_lazy_string (PyObject *string,
-                                    struct type **str_type, 
-                                    long *length, char **encoding);
+void gdbpy_extract_lazy_string (PyObject *string, CORE_ADDR *addr,
+                               struct type **str_type,
+                               long *length, char **encoding);
+
+int gdbpy_is_value_object (PyObject *obj);
 
 /* Note that these are declared here, and not in python.h with the
    other pretty-printer functions, because they refer to PyObject.  */
 PyObject *apply_varobj_pretty_printer (PyObject *print_obj,
-                                      struct value **replacement);
+                                      struct value **replacement,
+                                      struct ui_file *stream);
 PyObject *gdbpy_get_varobj_pretty_printer (struct value *value);
 char *gdbpy_get_display_hint (PyObject *printer);
 PyObject *gdbpy_default_visualizer (PyObject *self, PyObject *args);
 
+void bpfinishpy_pre_stop_hook (struct gdbpy_breakpoint_object *bp_obj);
+void bpfinishpy_post_stop_hook (struct gdbpy_breakpoint_object *bp_obj);
+
 extern PyObject *gdbpy_doc_cst;
 extern PyObject *gdbpy_children_cst;
 extern PyObject *gdbpy_to_string_cst;
 extern PyObject *gdbpy_display_hint_cst;
+extern PyObject *gdbpy_enabled_cst;
+extern PyObject *gdbpy_value_cst;
+
+/* Exception types.  */
+extern PyObject *gdbpy_gdb_error;
+extern PyObject *gdbpy_gdb_memory_error;
+extern PyObject *gdbpy_gdberror_exc;
+
+extern void gdbpy_convert_exception (struct gdb_exception)
+    CPYCHECKER_SETS_EXCEPTION;
+
+int get_addr_from_python (PyObject *obj, CORE_ADDR *addr)
+    CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
+
+PyObject *gdb_py_object_from_longest (LONGEST l);
+PyObject *gdb_py_object_from_ulongest (ULONGEST l);
+int gdb_py_int_as_long (PyObject *, long *);
+
+PyObject *gdb_py_generic_dict (PyObject *self, void *closure);
+
+int gdb_pymodule_addobject (PyObject *module, const char *name,
+                           PyObject *object)
+  CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
 
 #endif /* GDB_PYTHON_INTERNAL_H */
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