enum ext_lang_rc gdbpy_apply_val_pretty_printer (const struct extension_language_defn *extlang, struct type *type, LONGEST embedded_offset, CORE_ADDR address, struct ui_file *stream, int recurse, struct value *val, const struct value_print_options *options, const struct language_defn *language) { struct gdbarch *gdbarch = get_type_arch (type); struct value *value; enum string_repr_result print_result; if (value_lazy (val)) value_fetch_lazy (val); /* No pretty-printer support for unavailable values. */ if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) return EXT_LANG_RC_NOP; if (!gdb_python_initialized) return EXT_LANG_RC_NOP; gdbpy_enter enter_py (gdbarch, language); /* Instantiate the printer. */ value = value_from_component (val, type, embedded_offset); gdbpy_ref<> val_obj (value_to_value_object (value)); if (val_obj == NULL) { print_stack_unless_memory_error (stream); return EXT_LANG_RC_ERROR; } /* Find the constructor. */ gdbpy_ref<> printer (find_pretty_printer (val_obj.get ())); if (printer == NULL) { print_stack_unless_memory_error (stream); return EXT_LANG_RC_ERROR; } if (printer == Py_None) return EXT_LANG_RC_NOP; /* If we are printing a map, we want some special formatting. */ gdb::unique_xmalloc_ptr<char> hint (gdbpy_get_display_hint (printer.get ())); /* Print the section */ print_result = print_string_repr (printer.get (), hint.get (), stream, recurse, options, language, gdbarch); if (print_result != string_repr_error) print_children (printer.get (), hint.get (), stream, recurse, options, language, print_result == string_repr_none); if (PyErr_Occurred ()) print_stack_unless_memory_error (stream); return EXT_LANG_RC_OK; }
static int gnuv2_baseclass_offset (struct type *type, int index, const bfd_byte *valaddr, int embedded_offset, CORE_ADDR address, const struct value *val) { struct type *basetype = TYPE_BASECLASS (type, index); if (BASETYPE_VIA_VIRTUAL (type, index)) { /* Must hunt for the pointer to this virtual baseclass. */ int i, len = TYPE_NFIELDS (type); int n_baseclasses = TYPE_N_BASECLASSES (type); /* First look for the virtual baseclass pointer in the fields. */ for (i = n_baseclasses; i < len; i++) { if (vb_match (type, i, basetype)) { struct type *field_type; int field_offset; int field_length; CORE_ADDR addr; field_type = check_typedef (TYPE_FIELD_TYPE (type, i)); field_offset = TYPE_FIELD_BITPOS (type, i) / 8; field_length = TYPE_LENGTH (field_type); if (!value_bytes_available (val, embedded_offset + field_offset, field_length)) throw_error (NOT_AVAILABLE_ERROR, _("Virtual baseclass pointer is not available")); addr = unpack_pointer (field_type, valaddr + embedded_offset + field_offset); return addr - (LONGEST) address + embedded_offset; } } /* Not in the fields, so try looking through the baseclasses. */ for (i = index + 1; i < n_baseclasses; i++) { /* Don't go through baseclass_offset, as that wraps exceptions, thus, inner exceptions would be wrapped more than once. */ int boffset = gnuv2_baseclass_offset (type, i, valaddr, embedded_offset, address, val); if (boffset) return boffset; } error (_("Baseclass offset not found")); } /* Baseclass is easily computed. */ return TYPE_BASECLASS_BITPOS (type, index) / 8; }
enum ext_lang_rc gdbscm_apply_val_pretty_printer (const struct extension_language_defn *extlang, 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) { struct gdbarch *gdbarch = get_type_arch (type); SCM exception = SCM_BOOL_F; SCM printer = SCM_BOOL_F; SCM val_obj = SCM_BOOL_F; struct value *value; enum display_hint hint; struct cleanup *cleanups; enum ext_lang_rc result = EXT_LANG_RC_NOP; enum string_repr_result print_result; /* No pretty-printer support for unavailable values. */ if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) return EXT_LANG_RC_NOP; if (!gdb_scheme_initialized) return EXT_LANG_RC_NOP; cleanups = make_cleanup (null_cleanup, NULL); /* Instantiate the printer. */ if (valaddr) valaddr += embedded_offset; value = value_from_contents_and_address (type, valaddr, address + embedded_offset); set_value_component_location (value, val); /* set_value_component_location resets the address, so we may need to set it again. */ if (VALUE_LVAL (value) != lval_internalvar && VALUE_LVAL (value) != lval_internalvar_component && VALUE_LVAL (value) != lval_computed) set_value_address (value, address + embedded_offset); val_obj = vlscm_scm_from_value (value); if (gdbscm_is_exception (val_obj)) { exception = val_obj; result = EXT_LANG_RC_ERROR; goto done; } printer = ppscm_find_pretty_printer (val_obj); if (gdbscm_is_exception (printer)) { exception = printer; result = EXT_LANG_RC_ERROR; goto done; } if (gdbscm_is_false (printer)) { result = EXT_LANG_RC_NOP; goto done; } gdb_assert (ppscm_is_pretty_printer_worker (printer)); /* If we are printing a map, we want some special formatting. */ hint = ppscm_get_display_hint_enum (printer); if (hint == HINT_ERROR) { /* Print the error as an exception for consistency. */ SCM hint_scm = ppscm_get_display_hint_scm (printer); ppscm_print_pp_type_error ("Invalid display hint", hint_scm); /* Fall through. A bad hint doesn't stop pretty-printing. */ hint = HINT_NONE; } /* Print the section. */ print_result = ppscm_print_string_repr (printer, hint, stream, recurse, options, gdbarch, language); if (print_result != STRING_REPR_ERROR) { ppscm_print_children (printer, hint, stream, recurse, options, gdbarch, language, print_result == STRING_REPR_NONE); } result = EXT_LANG_RC_OK; done: if (gdbscm_is_exception (exception)) ppscm_print_exception_unless_memory_error (exception, stream); do_cleanups (cleanups); return result; }
void c_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, CORE_ADDR address, struct ui_file *stream, int recurse, const struct value *original_value, const struct value_print_options *options) { struct gdbarch *gdbarch = get_type_arch (type); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); unsigned int i = 0; /* Number of characters printed. */ unsigned len; struct type *elttype, *unresolved_elttype; struct type *unresolved_type = type; unsigned eltlen; CORE_ADDR addr; CHECK_TYPEDEF (type); switch (TYPE_CODE (type)) { case TYPE_CODE_ARRAY: unresolved_elttype = TYPE_TARGET_TYPE (type); elttype = check_typedef (unresolved_elttype); if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) { LONGEST low_bound, high_bound; if (!get_array_bounds (type, &low_bound, &high_bound)) error (_("Could not determine the array high bound")); eltlen = TYPE_LENGTH (elttype); len = high_bound - low_bound + 1; if (options->prettyformat_arrays) { print_spaces_filtered (2 + 2 * recurse, stream); } /* Print arrays of textual chars with a string syntax, as long as the entire array is valid. */ if (c_textual_element_type (unresolved_elttype, options->format) && value_bytes_available (original_value, embedded_offset, TYPE_LENGTH (type)) && value_bits_valid (original_value, TARGET_CHAR_BIT * embedded_offset, TARGET_CHAR_BIT * TYPE_LENGTH (type))) { int force_ellipses = 0; /* If requested, look for the first null char and only print elements up to it. */ if (options->stop_print_at_null) { unsigned int temp_len; for (temp_len = 0; (temp_len < len && temp_len < options->print_max && extract_unsigned_integer (valaddr + embedded_offset + temp_len * eltlen, eltlen, byte_order) != 0); ++temp_len) ; /* Force LA_PRINT_STRING to print ellipses if we've printed the maximum characters and the next character is not \000. */ if (temp_len == options->print_max && temp_len < len) { ULONGEST val = extract_unsigned_integer (valaddr + embedded_offset + temp_len * eltlen, eltlen, byte_order); if (val != 0) force_ellipses = 1; } len = temp_len; } LA_PRINT_STRING (stream, unresolved_elttype, valaddr + embedded_offset, len, NULL, force_ellipses, options); i = len; } else { fprintf_filtered (stream, "{"); /* If this is a virtual function table, print the 0th entry specially, and the rest of the members normally. */ if (cp_is_vtbl_ptr_type (elttype)) { i = 1; fprintf_filtered (stream, _("%d vtable entries"), len - 1); } else { i = 0; } val_print_array_elements (type, valaddr, embedded_offset, address, stream, recurse, original_value, options, i); fprintf_filtered (stream, "}"); } break; } /* Array of unspecified length: treat like pointer to first elt. */ addr = address + embedded_offset; goto print_unpacked_pointer; case TYPE_CODE_METHODPTR: cplus_print_method_ptr (valaddr + embedded_offset, type, stream); break; case TYPE_CODE_PTR: if (options->format && options->format != 's') { val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); break; } if (options->vtblprint && cp_is_vtbl_ptr_type (type)) { /* Print the unmangled name if desired. */ /* Print vtable entry - we only get here if we ARE using -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */ CORE_ADDR addr = extract_typed_address (valaddr + embedded_offset, type); print_function_pointer_address (options, gdbarch, addr, stream); break; } unresolved_elttype = TYPE_TARGET_TYPE (type); elttype = check_typedef (unresolved_elttype); { int want_space; addr = unpack_pointer (type, valaddr + embedded_offset); print_unpacked_pointer: want_space = 0; if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) { /* Try to print what function it points to. */ print_function_pointer_address (options, gdbarch, addr, stream); return; } if (options->symbol_print) want_space = print_address_demangle (options, gdbarch, addr, stream, demangle); else if (options->addressprint) { fputs_filtered (paddress (gdbarch, addr), stream); want_space = 1; } /* For a pointer to a textual type, also print the string pointed to, unless pointer is null. */ if (c_textual_element_type (unresolved_elttype, options->format) && addr != 0) { if (want_space) fputs_filtered (" ", stream); i = val_print_string (unresolved_elttype, NULL, addr, -1, stream, options); } else if (cp_is_vtbl_member (type)) { /* Print vtbl's nicely. */ CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (vt_address); /* If 'symbol_print' is set, we did the work above. */ if (!options->symbol_print && (msymbol.minsym != NULL) && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol.minsym))) { if (want_space) fputs_filtered (" ", stream); fputs_filtered (" <", stream); fputs_filtered (SYMBOL_PRINT_NAME (msymbol.minsym), stream); fputs_filtered (">", stream); want_space = 1; } if (vt_address && options->vtblprint) { struct value *vt_val; struct symbol *wsym = (struct symbol *) NULL; struct type *wtype; struct block *block = (struct block *) NULL; struct field_of_this_result is_this_fld; if (want_space) fputs_filtered (" ", stream); if (msymbol.minsym != NULL) wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol.minsym), block, VAR_DOMAIN, &is_this_fld); if (wsym) { wtype = SYMBOL_TYPE (wsym); } else { wtype = unresolved_elttype; } vt_val = value_at (wtype, vt_address); common_val_print (vt_val, stream, recurse + 1, options, current_language); if (options->prettyformat) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 + 2 * recurse, stream); } } } return; } break; case TYPE_CODE_UNION: if (recurse && !options->unionprint) { fprintf_filtered (stream, "{...}"); break; } /* Fall through. */ case TYPE_CODE_STRUCT: /*FIXME: Abstract this away. */ if (options->vtblprint && cp_is_vtbl_ptr_type (type)) { /* Print the unmangled name if desired. */ /* Print vtable entry - we only get here if NOT using -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */ int offset = (embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8); struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET); CORE_ADDR addr = extract_typed_address (valaddr + offset, field_type); print_function_pointer_address (options, gdbarch, addr, stream); } else cp_print_value_fields_rtti (type, valaddr, embedded_offset, address, stream, recurse, original_value, options, NULL, 0); break; case TYPE_CODE_INT: if (options->format || options->output_format) { struct value_print_options opts = *options; opts.format = (options->format ? options->format : options->output_format); val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, &opts, 0, stream); } else { val_print_type_code_int (type, valaddr + embedded_offset, stream); /* C and C++ has no single byte int type, char is used instead. Since we don't know whether the value is really intended to be used as an integer or a character, print the character equivalent as well. */ if (c_textual_element_type (unresolved_type, options->format)) { fputs_filtered (" ", stream); LA_PRINT_CHAR (unpack_long (type, valaddr + embedded_offset), unresolved_type, stream); } } break; case TYPE_CODE_MEMBERPTR: if (!options->format) { cp_print_class_member (valaddr + embedded_offset, type, stream, "&"); break; } /* FALLTHROUGH */ case TYPE_CODE_REF: case TYPE_CODE_ENUM: case TYPE_CODE_FLAGS: case TYPE_CODE_FUNC: case TYPE_CODE_METHOD: case TYPE_CODE_BOOL: case TYPE_CODE_RANGE: case TYPE_CODE_FLT: case TYPE_CODE_DECFLOAT: case TYPE_CODE_VOID: case TYPE_CODE_ERROR: case TYPE_CODE_UNDEF: case TYPE_CODE_COMPLEX: case TYPE_CODE_CHAR: default: generic_val_print (type, valaddr, embedded_offset, address, stream, recurse, original_value, options, &c_decorations); break; } gdb_flush (stream); }
static void list_arg_or_local (const struct frame_arg *arg, enum what_to_list what, enum print_values values, int skip_unavailable) { struct cleanup *old_chain; struct ui_out *uiout = current_uiout; struct ui_file *stb; gdb_assert (!arg->val || !arg->error); gdb_assert ((values == PRINT_NO_VALUES && arg->val == NULL && arg->error == NULL) || values == PRINT_SIMPLE_VALUES || (values == PRINT_ALL_VALUES && (arg->val != NULL || arg->error != NULL))); gdb_assert (arg->entry_kind == print_entry_values_no || (arg->entry_kind == print_entry_values_only && (arg->val || arg->error))); if (skip_unavailable && arg->val != NULL && (value_entirely_unavailable (arg->val) /* A scalar object that does not have all bits available is also considered unavailable, because all bits contribute to its representation. */ || (val_print_scalar_type_p (value_type (arg->val)) && !value_bytes_available (arg->val, value_embedded_offset (arg->val), TYPE_LENGTH (value_type (arg->val)))))) return; stb = mem_fileopen (); old_chain = make_cleanup_ui_file_delete (stb); if (values != PRINT_NO_VALUES || what == all) make_cleanup_ui_out_tuple_begin_end (uiout, NULL); fputs_filtered (SYMBOL_PRINT_NAME (arg->sym), stb); if (arg->entry_kind == print_entry_values_only) fputs_filtered ("@entry", stb); ui_out_field_stream (uiout, "name", stb); if (what == all && SYMBOL_IS_ARGUMENT (arg->sym)) ui_out_field_int (uiout, "arg", 1); if (values == PRINT_SIMPLE_VALUES) { check_typedef (arg->sym->type); type_print (arg->sym->type, "", stb, -1); ui_out_field_stream (uiout, "type", stb); } if (arg->val || arg->error) { const char *error_message = NULL; if (arg->error) error_message = arg->error; else { TRY { struct value_print_options opts; get_no_prettyformat_print_options (&opts); opts.deref_ref = 1; common_val_print (arg->val, stb, 0, &opts, language_def (SYMBOL_LANGUAGE (arg->sym))); } CATCH (except, RETURN_MASK_ERROR) { error_message = except.message; } END_CATCH } if (error_message != NULL) fprintf_filtered (stb, _("<error reading variable: %s>"), error_message); ui_out_field_stream (uiout, "value", stb); } do_cleanups (old_chain); }
enum ext_lang_rc gdbpy_apply_val_pretty_printer (const struct extension_language_defn *extlang, 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) { struct gdbarch *gdbarch = get_type_arch (type); PyObject *printer = NULL; PyObject *val_obj = NULL; struct value *value; char *hint = NULL; struct cleanup *cleanups; enum ext_lang_rc result = EXT_LANG_RC_NOP; enum string_repr_result print_result; /* No pretty-printer support for unavailable values. */ if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type))) return EXT_LANG_RC_NOP; if (!gdb_python_initialized) return EXT_LANG_RC_NOP; cleanups = ensure_python_env (gdbarch, language); /* Instantiate the printer. */ if (valaddr) valaddr += embedded_offset; value = value_from_contents_and_address (type, valaddr, address + embedded_offset); set_value_component_location (value, val); /* set_value_component_location resets the address, so we may need to set it again. */ if (VALUE_LVAL (value) != lval_internalvar && VALUE_LVAL (value) != lval_internalvar_component && VALUE_LVAL (value) != lval_computed) set_value_address (value, address + embedded_offset); val_obj = value_to_value_object (value); if (! val_obj) { result = EXT_LANG_RC_ERROR; goto done; } /* Find the constructor. */ printer = find_pretty_printer (val_obj); Py_DECREF (val_obj); if (printer == NULL) { result = EXT_LANG_RC_ERROR; goto done; } make_cleanup_py_decref (printer); if (printer == Py_None) { result = EXT_LANG_RC_NOP; goto done; } /* If we are printing a map, we want some special formatting. */ hint = gdbpy_get_display_hint (printer); make_cleanup (free_current_contents, &hint); /* Print the section */ print_result = print_string_repr (printer, hint, stream, recurse, options, language, gdbarch); if (print_result != string_repr_error) print_children (printer, hint, stream, recurse, options, language, print_result == string_repr_none); result = EXT_LANG_RC_OK; done: if (PyErr_Occurred ()) print_stack_unless_memory_error (stream); do_cleanups (cleanups); return result; }
int c_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, CORE_ADDR address, struct ui_file *stream, int recurse, const struct value *original_value, const struct value_print_options *options) { struct gdbarch *gdbarch = get_type_arch (type); enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); unsigned int i = 0; /* Number of characters printed. */ unsigned len; struct type *elttype, *unresolved_elttype; struct type *unresolved_type = type; unsigned eltlen; LONGEST val; CORE_ADDR addr; CHECK_TYPEDEF (type); switch (TYPE_CODE (type)) { case TYPE_CODE_ARRAY: unresolved_elttype = TYPE_TARGET_TYPE (type); elttype = check_typedef (unresolved_elttype); if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (unresolved_elttype) > 0) { LONGEST low_bound, high_bound; if (!get_array_bounds (type, &low_bound, &high_bound)) error (_("Could not determine the array high bound")); eltlen = TYPE_LENGTH (elttype); len = high_bound - low_bound + 1; if (options->prettyprint_arrays) { print_spaces_filtered (2 + 2 * recurse, stream); } /* Print arrays of textual chars with a string syntax, as long as the entire array is valid. */ if (c_textual_element_type (unresolved_elttype, options->format) && value_bytes_available (original_value, embedded_offset, TYPE_LENGTH (type)) && value_bits_valid (original_value, TARGET_CHAR_BIT * embedded_offset, TARGET_CHAR_BIT * TYPE_LENGTH (type))) { /* If requested, look for the first null char and only print elements up to it. */ if (options->stop_print_at_null) { unsigned int temp_len; for (temp_len = 0; (temp_len < len && temp_len < options->print_max && extract_unsigned_integer (valaddr + embedded_offset + temp_len * eltlen, eltlen, byte_order) != 0); ++temp_len) ; len = temp_len; } LA_PRINT_STRING (stream, unresolved_elttype, valaddr + embedded_offset, len, NULL, 0, options); i = len; } else { fprintf_filtered (stream, "{"); /* If this is a virtual function table, print the 0th entry specially, and the rest of the members normally. */ if (cp_is_vtbl_ptr_type (elttype)) { i = 1; fprintf_filtered (stream, _("%d vtable entries"), len - 1); } else { i = 0; } val_print_array_elements (type, valaddr, embedded_offset, address, stream, recurse, original_value, options, i); fprintf_filtered (stream, "}"); } break; } /* Array of unspecified length: treat like pointer to first elt. */ addr = address + embedded_offset; goto print_unpacked_pointer; case TYPE_CODE_MEMBERPTR: if (options->format) { val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); break; } cp_print_class_member (valaddr + embedded_offset, type, stream, "&"); break; case TYPE_CODE_METHODPTR: cplus_print_method_ptr (valaddr + embedded_offset, type, stream); break; case TYPE_CODE_PTR: if (options->format && options->format != 's') { val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); break; } if (options->vtblprint && cp_is_vtbl_ptr_type (type)) { /* Print the unmangled name if desired. */ /* Print vtable entry - we only get here if we ARE using -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */ CORE_ADDR addr = extract_typed_address (valaddr + embedded_offset, type); print_function_pointer_address (gdbarch, addr, stream, options->addressprint); break; } unresolved_elttype = TYPE_TARGET_TYPE (type); elttype = check_typedef (unresolved_elttype); { addr = unpack_pointer (type, valaddr + embedded_offset); print_unpacked_pointer: if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) { /* Try to print what function it points to. */ print_function_pointer_address (gdbarch, addr, stream, options->addressprint); /* Return value is irrelevant except for string pointers. */ return (0); } if (options->addressprint) fputs_filtered (paddress (gdbarch, addr), stream); /* For a pointer to a textual type, also print the string pointed to, unless pointer is null. */ if (c_textual_element_type (unresolved_elttype, options->format) && addr != 0) { i = val_print_string (unresolved_elttype, NULL, addr, -1, stream, options); } else if (cp_is_vtbl_member (type)) { /* Print vtbl's nicely. */ CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (vt_address); if ((msymbol != NULL) && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol))) { fputs_filtered (" <", stream); fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream); fputs_filtered (">", stream); } if (vt_address && options->vtblprint) { struct value *vt_val; struct symbol *wsym = (struct symbol *) NULL; struct type *wtype; struct block *block = (struct block *) NULL; int is_this_fld; if (msymbol != NULL) wsym = lookup_symbol (SYMBOL_LINKAGE_NAME (msymbol), block, VAR_DOMAIN, &is_this_fld); if (wsym) { wtype = SYMBOL_TYPE (wsym); } else { wtype = unresolved_elttype; } vt_val = value_at (wtype, vt_address); common_val_print (vt_val, stream, recurse + 1, options, current_language); if (options->pretty) { fprintf_filtered (stream, "\n"); print_spaces_filtered (2 + 2 * recurse, stream); } } } /* Return number of characters printed, including the terminating '\0' if we reached the end. val_print_string takes care including the terminating '\0' if necessary. */ return i; } break; case TYPE_CODE_REF: elttype = check_typedef (TYPE_TARGET_TYPE (type)); if (options->addressprint) { CORE_ADDR addr = extract_typed_address (valaddr + embedded_offset, type); fprintf_filtered (stream, "@"); fputs_filtered (paddress (gdbarch, addr), stream); if (options->deref_ref) fputs_filtered (": ", stream); } /* De-reference the reference. */ if (options->deref_ref) { if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) { struct value *deref_val; deref_val = coerce_ref_if_computed (original_value); if (deref_val != NULL) { /* More complicated computed references are not supported. */ gdb_assert (embedded_offset == 0); } else deref_val = value_at (TYPE_TARGET_TYPE (type), unpack_pointer (type, (valaddr + embedded_offset))); common_val_print (deref_val, stream, recurse, options, current_language); } else fputs_filtered ("???", stream); } break; case TYPE_CODE_UNION: if (recurse && !options->unionprint) { fprintf_filtered (stream, "{...}"); break; } /* Fall through. */ case TYPE_CODE_STRUCT: /*FIXME: Abstract this away. */ if (options->vtblprint && cp_is_vtbl_ptr_type (type)) { /* Print the unmangled name if desired. */ /* Print vtable entry - we only get here if NOT using -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */ int offset = (embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8); struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET); CORE_ADDR addr = extract_typed_address (valaddr + offset, field_type); print_function_pointer_address (gdbarch, addr, stream, options->addressprint); } else cp_print_value_fields_rtti (type, valaddr, embedded_offset, address, stream, recurse, original_value, options, NULL, 0); break; case TYPE_CODE_ENUM: if (options->format) { val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); break; } len = TYPE_NFIELDS (type); val = unpack_long (type, valaddr + embedded_offset); for (i = 0; i < len; i++) { QUIT; if (val == TYPE_FIELD_BITPOS (type, i)) { break; } } if (i < len) { fputs_filtered (TYPE_FIELD_NAME (type, i), stream); } else if (TYPE_FLAG_ENUM (type)) { int first = 1; /* We have a "flag" enum, so we try to decompose it into pieces as appropriate. A flag enum has disjoint constants by definition. */ fputs_filtered ("(", stream); for (i = 0; i < len; ++i) { QUIT; if ((val & TYPE_FIELD_BITPOS (type, i)) != 0) { if (!first) fputs_filtered (" | ", stream); first = 0; val &= ~TYPE_FIELD_BITPOS (type, i); fputs_filtered (TYPE_FIELD_NAME (type, i), stream); } } if (first || val != 0) { if (!first) fputs_filtered (" | ", stream); fputs_filtered ("unknown: ", stream); print_longest (stream, 'd', 0, val); } fputs_filtered (")", stream); } else print_longest (stream, 'd', 0, val); break; case TYPE_CODE_FLAGS: if (options->format) val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); else val_print_type_code_flags (type, valaddr + embedded_offset, stream); break; case TYPE_CODE_FUNC: case TYPE_CODE_METHOD: if (options->format) { val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); break; } /* FIXME, we should consider, at least for ANSI C language, eliminating the distinction made between FUNCs and POINTERs to FUNCs. */ fprintf_filtered (stream, "{"); type_print (type, "", stream, -1); fprintf_filtered (stream, "} "); /* Try to print what function it points to, and its address. */ print_address_demangle (gdbarch, address, stream, demangle); break; case TYPE_CODE_BOOL: if (options->format || options->output_format) { struct value_print_options opts = *options; opts.format = (options->format ? options->format : options->output_format); val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, &opts, 0, stream); } else { val = unpack_long (type, valaddr + embedded_offset); if (val == 0) fputs_filtered ("false", stream); else if (val == 1) fputs_filtered ("true", stream); else print_longest (stream, 'd', 0, val); } break; case TYPE_CODE_RANGE: /* FIXME: create_range_type does not set the unsigned bit in a range type (I think it probably should copy it from the target type), so we won't print values which are too large to fit in a signed integer correctly. */ /* FIXME: Doesn't handle ranges of enums correctly. (Can't just print with the target type, though, because the size of our type and the target type might differ). */ /* FALLTHROUGH */ case TYPE_CODE_INT: if (options->format || options->output_format) { struct value_print_options opts = *options; opts.format = (options->format ? options->format : options->output_format); val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, &opts, 0, stream); } else { val_print_type_code_int (type, valaddr + embedded_offset, stream); /* C and C++ has no single byte int type, char is used instead. Since we don't know whether the value is really intended to be used as an integer or a character, print the character equivalent as well. */ if (c_textual_element_type (unresolved_type, options->format)) { fputs_filtered (" ", stream); LA_PRINT_CHAR (unpack_long (type, valaddr + embedded_offset), unresolved_type, stream); } } break; case TYPE_CODE_CHAR: if (options->format || options->output_format) { struct value_print_options opts = *options; opts.format = (options->format ? options->format : options->output_format); val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, &opts, 0, stream); } else { val = unpack_long (type, valaddr + embedded_offset); if (TYPE_UNSIGNED (type)) fprintf_filtered (stream, "%u", (unsigned int) val); else fprintf_filtered (stream, "%d", (int) val); fputs_filtered (" ", stream); LA_PRINT_CHAR (val, unresolved_type, stream); } break; case TYPE_CODE_FLT: if (options->format) { val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); } else { print_floating (valaddr + embedded_offset, type, stream); } break; case TYPE_CODE_DECFLOAT: if (options->format) val_print_scalar_formatted (type, valaddr, embedded_offset, original_value, options, 0, stream); else print_decimal_floating (valaddr + embedded_offset, type, stream); break; case TYPE_CODE_VOID: fprintf_filtered (stream, "void"); break; case TYPE_CODE_ERROR: fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); break; case TYPE_CODE_UNDEF: /* This happens (without TYPE_FLAG_STUB set) on systems which don't use dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" and no complete type for struct foo in that file. */ fprintf_filtered (stream, _("<incomplete type>")); break; case TYPE_CODE_COMPLEX: if (options->format) val_print_scalar_formatted (TYPE_TARGET_TYPE (type), valaddr, embedded_offset, original_value, options, 0, stream); else print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type), stream); fprintf_filtered (stream, " + "); if (options->format) val_print_scalar_formatted (TYPE_TARGET_TYPE (type), valaddr, embedded_offset + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), original_value, options, 0, stream); else print_floating (valaddr + embedded_offset + TYPE_LENGTH (TYPE_TARGET_TYPE (type)), TYPE_TARGET_TYPE (type), stream); fprintf_filtered (stream, " * I"); break; default: error (_("Invalid C/C++ type code %d in symbol table."), TYPE_CODE (type)); } gdb_flush (stream); return (0); }