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236 lines
7.4 KiB
C
236 lines
7.4 KiB
C
/* Declarations for value printing routines for GDB, the GNU debugger.
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Copyright (C) 1986-2017 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef VALPRINT_H
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#define VALPRINT_H
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/* This is used to pass formatting options to various value-printing
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functions. */
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struct value_print_options
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{
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/* Pretty-formatting control. */
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enum val_prettyformat prettyformat;
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/* Controls pretty formatting of arrays. */
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int prettyformat_arrays;
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/* Controls pretty formatting of structures. */
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int prettyformat_structs;
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/* Controls printing of virtual tables. */
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int vtblprint;
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/* Controls printing of nested unions. */
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int unionprint;
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/* Controls printing of addresses. */
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int addressprint;
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/* Controls looking up an object's derived type using what we find
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in its vtables. */
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int objectprint;
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/* Maximum number of chars to print for a string pointer value or vector
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contents, or UINT_MAX for no limit. Note that "set print elements 0"
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stores UINT_MAX in print_max, which displays in a show command as
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"unlimited". */
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unsigned int print_max;
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/* Print repeat counts if there are more than this many repetitions
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of an element in an array. */
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unsigned int repeat_count_threshold;
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/* The global output format letter. */
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int output_format;
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/* The current format letter. This is set locally for a given call,
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e.g. when the user passes a format to "print". */
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int format;
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/* Stop printing at null character? */
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int stop_print_at_null;
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/* True if we should print the index of each element when printing
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an array. */
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int print_array_indexes;
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/* If nonzero, then dereference references, otherwise just print
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them like pointers. */
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int deref_ref;
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/* If nonzero, print static fields. */
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int static_field_print;
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/* If nonzero, print static fields for Pascal. FIXME: C++ has a
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flag, why not share with Pascal too? */
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int pascal_static_field_print;
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/* If non-zero don't do Python pretty-printing. */
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int raw;
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/* If nonzero, print the value in "summary" form.
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If raw and summary are both non-zero, don't print non-scalar values
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("..." is printed instead). */
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int summary;
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/* If nonzero, when printing a pointer, print the symbol to which it
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points, if any. */
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int symbol_print;
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};
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/* The global print options set by the user. In general this should
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not be directly accessed, except by set/show commands. Ordinary
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code should call get_user_print_options instead. */
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extern struct value_print_options user_print_options;
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/* Initialize *OPTS to be a copy of the user print options. */
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extern void get_user_print_options (struct value_print_options *opts);
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/* Initialize *OPTS to be a copy of the user print options, but with
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pretty-formatting disabled. */
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extern void get_no_prettyformat_print_options (struct value_print_options *);
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/* Initialize *OPTS to be a copy of the user print options, but using
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FORMAT as the formatting option. */
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extern void get_formatted_print_options (struct value_print_options *opts,
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char format);
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extern void maybe_print_array_index (struct type *index_type, LONGEST index,
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struct ui_file *stream,
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const struct value_print_options *);
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extern void val_print_array_elements (struct type *, LONGEST,
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CORE_ADDR, struct ui_file *, int,
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struct value *,
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const struct value_print_options *,
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unsigned int);
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extern void val_print_type_code_int (struct type *, const gdb_byte *,
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struct ui_file *);
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extern void val_print_scalar_formatted (struct type *,
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LONGEST,
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struct value *,
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const struct value_print_options *,
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int,
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struct ui_file *);
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extern void print_binary_chars (struct ui_file *, const gdb_byte *,
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unsigned int, enum bfd_endian);
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extern void print_octal_chars (struct ui_file *, const gdb_byte *,
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unsigned int, enum bfd_endian);
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extern void print_decimal_chars (struct ui_file *, const gdb_byte *,
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unsigned int, enum bfd_endian);
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extern void print_hex_chars (struct ui_file *, const gdb_byte *,
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unsigned int, enum bfd_endian);
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extern void print_char_chars (struct ui_file *, struct type *,
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const gdb_byte *, unsigned int, enum bfd_endian);
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extern void print_function_pointer_address (const struct value_print_options *options,
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struct gdbarch *gdbarch,
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CORE_ADDR address,
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struct ui_file *stream);
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extern int read_string (CORE_ADDR addr, int len, int width,
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unsigned int fetchlimit,
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enum bfd_endian byte_order, gdb_byte **buffer,
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int *bytes_read);
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extern void val_print_optimized_out (const struct value *val,
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struct ui_file *stream);
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/* Prints "<not saved>" to STREAM. */
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extern void val_print_not_saved (struct ui_file *stream);
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extern void val_print_unavailable (struct ui_file *stream);
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extern void val_print_invalid_address (struct ui_file *stream);
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/* An instance of this is passed to generic_val_print and describes
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some language-specific ways to print things. */
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struct generic_val_print_decorations
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{
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/* Printing complex numbers: what to print before, between the
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elements, and after. */
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const char *complex_prefix;
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const char *complex_infix;
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const char *complex_suffix;
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/* Boolean true and false. */
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const char *true_name;
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const char *false_name;
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/* What to print when we see TYPE_CODE_VOID. */
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const char *void_name;
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/* Array start and end strings. */
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const char *array_start;
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const char *array_end;
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};
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extern void generic_val_print (struct type *type,
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int embedded_offset, CORE_ADDR address,
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struct ui_file *stream, int recurse,
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struct value *original_value,
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const struct value_print_options *options,
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const struct generic_val_print_decorations *);
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extern void generic_emit_char (int c, struct type *type, struct ui_file *stream,
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int quoter, const char *encoding);
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extern void generic_printstr (struct ui_file *stream, struct type *type,
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const gdb_byte *string, unsigned int length,
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const char *encoding, int force_ellipses,
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int quote_char, int c_style_terminator,
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const struct value_print_options *options);
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/* Run the "output" command. ARGS and FROM_TTY are the usual
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arguments passed to all command implementations, except ARGS is
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const. */
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extern void output_command_const (const char *args, int from_tty);
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extern int val_print_scalar_type_p (struct type *type);
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struct format_data
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{
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int count;
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char format;
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char size;
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/* True if the value should be printed raw -- that is, bypassing
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python-based formatters. */
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unsigned char raw;
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};
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extern void print_command_parse_format (const char **expp, const char *cmdname,
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struct format_data *fmtp);
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extern void print_value (struct value *val, const struct format_data *fmtp);
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#endif
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