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old-cross-binutils/gdb/valprint.h
Pedro Alves 8af8e3bc81 gdb/ 
* exceptions.h (NOT_AVAILABLE_ERROR): New error.
	* value.c: Include "exceptions.h".
	(require_available): Throw NOT_AVAILABLE_ERROR instead of a
	generic error.
	* cp-abi.c: Include gdb_assert.h.
	(baseclass_offset): Add `embedded_offset' and `val' parameters.
	Assert the method is implemented.  Wrap NOT_AVAILABLE_ERROR
	errors.
	* cp-abi.h (baseclass_offset): Add `embedded_offset' and `val'
	parameters.  No longer returns -1 on error.
	(struct cp_abi_ops) <baseclass_offset>: Add `embedded_offset' and
	`val' parameters.
	* cp-valprint.c: Include exceptions.h.
	(cp_print_value): Handle NOT_AVAILABLE_ERROR errors when fetching
	the baseclass_offset.  Handle unavailable base classes.  Use
	val_print_invalid_address.
	* p-valprint.c: Include exceptions.h.
	(pascal_object_print_value): Handle NOT_AVAILABLE_ERROR errors
	when fetching the baseclass_offset.  No longer expect
	baseclass_offset returning -1.  Handle unavailable base classes.
	Use val_print_invalid_address.
	* valops.c (dynamic_cast_check_1): Rename `contents' parameter to
	`valaddr' parameter, and change its type to gdb_byte pointer.  Add
	`embedded_offset' and `val' parameters.  Adjust.
	(dynamic_cast_check_2): Rename `contents' parameter to `valaddr'
	parameter, and change its type to gdb_byte pointer.  Add
	`embedded_offset' and `val' parameters.  Adjust.  No longer expect
	baseclass_offset returning -1.
	(value_dynamic_cast): Use value_contents_for_printing rather than
	value_contents.  Adjust.
	(search_struct_field): No longer expect baseclass_offset returning
	-1.
	(search_struct_method): If reading memory from the target is
	necessary, wrap it in a new value to pass to baseclass_offset.  No
	longer expect baseclass_offset returning -1.
	(find_method_list): No longer expect baseclass_offset returning
	-1.  Use value_contents_for_printing rather than value_contents.
	* valprint.c (val_print_invalid_address): New function.
	* valprint.h (val_print_invalid_address): Declare.
	* gdbtypes.c (is_unique_ancestor_worker): New `embedded_offset'
	and `val' parameters.  No longer expect baseclass_offset returning
	-1.  Adjust.
	* gnu-v2-abi.c: Include "exceptions.h".
	(gnuv2_baseclass_offset): Add `embedded_offset' and `val'
	parameters.  Handle unavailable memory.  Recurse through
	gnuv2_baseclass_offset directly, rather than through
	baseclass_offset.  No longer returns -1 on not found, instead
	throw an error.
	* gnu-v3-abi.c (gnuv3_baseclass_offset): Add `embedded_offset' and
	`val' parameters.  Adjust.

	gdb/testsuite/
	* gdb.trace/unavailable.cc (class Base, class Middle, class
	Derived): New types.
	(derived_unavail, derived_partial, derived_whole): New globals.
	(virtual_partial): New global.
	(virtualp): Point at virtual_partial.
	* gdb.trace/unavailable.exp (gdb_collect_globals_test): Add tests
	related to unavailable vptr.
2011-02-14 11:35:45 +00:00

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/* Declarations for value printing routines for GDB, the GNU debugger.
Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 2000, 2005, 2007,
2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef VALPRINT_H
#define VALPRINT_H
/* This is used to pass formatting options to various value-printing
functions. */
struct value_print_options
{
/* Pretty-printing control. */
enum val_prettyprint pretty;
/* Controls pretty printing of arrays. */
int prettyprint_arrays;
/* Controls pretty printing of structures. */
int prettyprint_structs;
/* Controls printing of virtual tables. */
int vtblprint;
/* Controls printing of nested unions. */
int unionprint;
/* Controls printing of addresses. */
int addressprint;
/* Controls looking up an object's derived type using what we find
in its vtables. */
int objectprint;
/* Maximum number of chars to print for a string pointer value or vector
contents, or UINT_MAX for no limit. Note that "set print elements 0"
stores UINT_MAX in print_max, which displays in a show command as
"unlimited". */
unsigned int print_max;
/* Print repeat counts if there are more than this many repetitions
of an element in an array. */
unsigned int repeat_count_threshold;
/* The global output format letter. */
int output_format;
/* The current format letter. This is set locally for a given call,
e.g. when the user passes a format to "print". */
int format;
/* Stop printing at null character? */
int stop_print_at_null;
/* True if this value is being printed in an epoch window. */
int inspect_it;
/* True if we should print the index of each element when printing
an array. */
int print_array_indexes;
/* If nonzero, then dereference references, otherwise just print
them like pointers. */
int deref_ref;
/* If nonzero, print static fields. */
int static_field_print;
/* If nonzero, print static fields for Pascal. FIXME: C++ and Java
share one flag, why not Pascal too? */
int pascal_static_field_print;
/* Controls Python pretty-printing. */
int raw;
/* If nonzero, print the value in "summary" form. */
int summary;
};
/* The global print options set by the user. In general this should
not be directly accessed, except by set/show commands. Ordinary
code should call get_user_print_options instead. */
extern struct value_print_options user_print_options;
/* Initialize *OPTS to be a copy of the user print options. */
extern void get_user_print_options (struct value_print_options *opts);
/* Initialize *OPTS to be a copy of the user print options, but with
pretty-printing disabled. */
extern void get_raw_print_options (struct value_print_options *opts);
/* Initialize *OPTS to be a copy of the user print options, but using
FORMAT as the formatting option. */
extern void get_formatted_print_options (struct value_print_options *opts,
char format);
extern void maybe_print_array_index (struct type *index_type, LONGEST index,
struct ui_file *stream,
const struct value_print_options *);
extern void val_print_array_elements (struct type *, const gdb_byte *, int,
CORE_ADDR, struct ui_file *, int,
const struct value *,
const struct value_print_options *,
unsigned int);
extern void val_print_type_code_int (struct type *, const gdb_byte *,
struct ui_file *);
extern void val_print_type_code_flags (struct type *type,
const gdb_byte *valaddr,
struct ui_file *stream);
extern void val_print_scalar_formatted (struct type *,
const gdb_byte *, int,
const struct value *,
const struct value_print_options *,
int,
struct ui_file *);
extern void print_binary_chars (struct ui_file *, const gdb_byte *,
unsigned int, enum bfd_endian);
extern void print_octal_chars (struct ui_file *, const gdb_byte *,
unsigned int, enum bfd_endian);
extern void print_decimal_chars (struct ui_file *, const gdb_byte *,
unsigned int, enum bfd_endian);
extern void print_hex_chars (struct ui_file *, const gdb_byte *,
unsigned int, enum bfd_endian);
extern void print_char_chars (struct ui_file *, struct type *,
const gdb_byte *, unsigned int, enum bfd_endian);
int read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit,
enum bfd_endian byte_order, gdb_byte **buffer,
int *bytes_read);
extern void val_print_optimized_out (struct ui_file *stream);
extern void val_print_unavailable (struct ui_file *stream);
extern void val_print_invalid_address (struct ui_file *stream);
#endif
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