mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
b17c7ab380
This moves the two overloads of target_read_string to a new file, target/target.c, and updates both gdb and gdbserver to build this.
311 lines
10 KiB
C++
311 lines
10 KiB
C++
/* Declarations for value printing routines for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 1986-2022 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
|
|
|
|
#include "cli/cli-option.h"
|
|
|
|
/* This is used to pass formatting options to various value-printing
|
|
functions. */
|
|
struct value_print_options
|
|
{
|
|
/* Pretty-formatting control. */
|
|
enum val_prettyformat prettyformat;
|
|
|
|
/* Controls pretty formatting of arrays. */
|
|
bool prettyformat_arrays;
|
|
|
|
/* Controls pretty formatting of structures. */
|
|
bool prettyformat_structs;
|
|
|
|
/* Controls printing of virtual tables. */
|
|
bool vtblprint;
|
|
|
|
/* Controls printing of nested unions. */
|
|
bool unionprint;
|
|
|
|
/* Controls printing of addresses. */
|
|
bool addressprint;
|
|
|
|
/* Controls looking up an object's derived type using what we find
|
|
in its vtables. */
|
|
bool 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;
|
|
|
|
/* Print memory tag violations for pointers. */
|
|
bool memory_tag_violations;
|
|
|
|
/* Stop printing at null character? */
|
|
bool stop_print_at_null;
|
|
|
|
/* True if we should print the index of each element when printing
|
|
an array. */
|
|
bool print_array_indexes;
|
|
|
|
/* If true, then dereference references, otherwise just print
|
|
them like pointers. */
|
|
bool deref_ref;
|
|
|
|
/* If true, print static fields. */
|
|
bool static_field_print;
|
|
|
|
/* If true, print static fields for Pascal. FIXME: C++ has a
|
|
flag, why not share with Pascal too? */
|
|
bool pascal_static_field_print;
|
|
|
|
/* If true, don't do Python pretty-printing. */
|
|
bool raw;
|
|
|
|
/* If true, print the value in "summary" form.
|
|
If raw and summary are both true, don't print non-scalar values
|
|
("..." is printed instead). */
|
|
bool summary;
|
|
|
|
/* If true, when printing a pointer, print the symbol to which it
|
|
points, if any. */
|
|
bool symbol_print;
|
|
|
|
/* Maximum print depth when printing nested aggregates. */
|
|
int max_depth;
|
|
|
|
/* Whether "finish" should print the value. */
|
|
bool finish_print;
|
|
};
|
|
|
|
/* Create an option_def_group for the value_print options, with OPTS
|
|
as context. */
|
|
extern gdb::option::option_def_group make_value_print_options_def_group
|
|
(value_print_options *opts);
|
|
|
|
/* 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-formatting disabled. */
|
|
extern void get_no_prettyformat_print_options (struct value_print_options *);
|
|
|
|
/* 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 *);
|
|
|
|
|
|
/* Print elements of an array. */
|
|
|
|
extern void value_print_array_elements (struct value *, struct ui_file *, int,
|
|
const struct value_print_options *,
|
|
unsigned int);
|
|
|
|
/* Print a scalar according to OPTIONS and SIZE on STREAM. Format 'i'
|
|
is not supported at this level.
|
|
|
|
This is how the elements of an array or structure are printed
|
|
with a format. */
|
|
|
|
extern void value_print_scalar_formatted
|
|
(struct value *val, const struct value_print_options *options,
|
|
int size, struct ui_file *stream);
|
|
|
|
extern void print_binary_chars (struct ui_file *, const gdb_byte *,
|
|
unsigned int, enum bfd_endian, bool);
|
|
|
|
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, bool, enum bfd_endian);
|
|
|
|
extern void print_hex_chars (struct ui_file *, const gdb_byte *,
|
|
unsigned int, enum bfd_endian, bool);
|
|
|
|
extern void print_function_pointer_address (const struct value_print_options *options,
|
|
struct gdbarch *gdbarch,
|
|
CORE_ADDR address,
|
|
struct ui_file *stream);
|
|
|
|
/* Helper function to check the validity of some bits of a value.
|
|
|
|
If TYPE represents some aggregate type (e.g., a structure), return 1.
|
|
|
|
Otherwise, any of the bytes starting at OFFSET and extending for
|
|
TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and
|
|
return 0. The checking is done using FUNCS.
|
|
|
|
Otherwise, return 1. */
|
|
|
|
extern int valprint_check_validity (struct ui_file *stream, struct type *type,
|
|
LONGEST embedded_offset,
|
|
const struct value *val);
|
|
|
|
extern void val_print_optimized_out (const struct value *val,
|
|
struct ui_file *stream);
|
|
|
|
/* Prints "<not saved>" to STREAM. */
|
|
extern void val_print_not_saved (struct ui_file *stream);
|
|
|
|
extern void val_print_unavailable (struct ui_file *stream);
|
|
|
|
extern void val_print_invalid_address (struct ui_file *stream);
|
|
|
|
/* An instance of this is passed to generic_val_print and describes
|
|
some language-specific ways to print things. */
|
|
|
|
struct generic_val_print_decorations
|
|
{
|
|
/* Printing complex numbers: what to print before, between the
|
|
elements, and after. */
|
|
|
|
const char *complex_prefix;
|
|
const char *complex_infix;
|
|
const char *complex_suffix;
|
|
|
|
/* Boolean true and false. */
|
|
|
|
const char *true_name;
|
|
const char *false_name;
|
|
|
|
/* What to print when we see TYPE_CODE_VOID. */
|
|
|
|
const char *void_name;
|
|
|
|
/* Array start and end strings. */
|
|
const char *array_start;
|
|
const char *array_end;
|
|
};
|
|
|
|
|
|
/* Print a value in a generic way. VAL is the value, STREAM is where
|
|
to print it, RECURSE is the recursion depth, OPTIONS describe how
|
|
the printing should be done, and D is the language-specific
|
|
decorations object. Note that structs and unions cannot be printed
|
|
by this function. */
|
|
|
|
extern void generic_value_print (struct value *val, struct ui_file *stream,
|
|
int recurse,
|
|
const struct value_print_options *options,
|
|
const struct generic_val_print_decorations *d);
|
|
|
|
extern void generic_emit_char (int c, struct type *type, struct ui_file *stream,
|
|
int quoter, const char *encoding);
|
|
|
|
extern void generic_printstr (struct ui_file *stream, struct type *type,
|
|
const gdb_byte *string, unsigned int length,
|
|
const char *encoding, int force_ellipses,
|
|
int quote_char, int c_style_terminator,
|
|
const struct value_print_options *options);
|
|
|
|
/* Run the "output" command. ARGS and FROM_TTY are the usual
|
|
arguments passed to all command implementations, except ARGS is
|
|
const. */
|
|
|
|
extern void output_command (const char *args, int from_tty);
|
|
|
|
extern int val_print_scalar_type_p (struct type *type);
|
|
|
|
struct format_data
|
|
{
|
|
int count;
|
|
char format;
|
|
char size;
|
|
bool print_tags;
|
|
|
|
/* True if the value should be printed raw -- that is, bypassing
|
|
python-based formatters. */
|
|
unsigned char raw;
|
|
};
|
|
|
|
extern void print_command_parse_format (const char **expp, const char *cmdname,
|
|
value_print_options *opts);
|
|
|
|
/* Print VAL to console according to OPTS, including recording it to
|
|
the history. */
|
|
extern void print_value (value *val, const value_print_options &opts);
|
|
|
|
/* Completer for the "print", "call", and "compile print"
|
|
commands. */
|
|
extern void print_command_completer (struct cmd_list_element *ignore,
|
|
completion_tracker &tracker,
|
|
const char *text, const char *word);
|
|
|
|
/* Given an address ADDR return all the elements needed to print the
|
|
address in a symbolic form. NAME can be mangled or not depending
|
|
on DO_DEMANGLE (and also on the asm_demangle global variable,
|
|
manipulated via ''set print asm-demangle''). When
|
|
PREFER_SYM_OVER_MINSYM is true, names (and offsets) from minimal
|
|
symbols won't be used except in instances where no symbol was
|
|
found; otherwise, a minsym might be used in some instances (mostly
|
|
involving function with non-contiguous address ranges). Return
|
|
0 in case of success, when all the info in the OUT parameters is
|
|
valid. Return 1 otherwise. */
|
|
|
|
extern int build_address_symbolic (struct gdbarch *,
|
|
CORE_ADDR addr,
|
|
bool do_demangle,
|
|
bool prefer_sym_over_minsym,
|
|
std::string *name,
|
|
int *offset,
|
|
std::string *filename,
|
|
int *line,
|
|
int *unmapped);
|
|
|
|
/* Check to see if RECURSE is greater than or equal to the allowed
|
|
printing max-depth (see 'set print max-depth'). If it is then print an
|
|
ellipsis expression to STREAM and return true, otherwise return false.
|
|
LANGUAGE determines what type of ellipsis expression is printed. */
|
|
|
|
extern bool val_print_check_max_depth (struct ui_file *stream, int recurse,
|
|
const struct value_print_options *opts,
|
|
const struct language_defn *language);
|
|
|
|
/* Like common_val_print, but call value_check_printable first. */
|
|
|
|
extern void common_val_print_checked
|
|
(struct value *val,
|
|
struct ui_file *stream, int recurse,
|
|
const struct value_print_options *options,
|
|
const struct language_defn *language);
|
|
|
|
#endif
|