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/* Target description definitions for remote server for GDB.
Copyright (C) 2012-2024 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 GDBSERVER_TDESC_H
#define GDBSERVER_TDESC_H
#include "gdbsupport/tdesc.h"
#include "gdbsupport/osabi.h"
#include "regdef.h"
#include <vector>
/* A target description. Inherit from tdesc_feature so that target_desc
can be used as tdesc_feature. */
struct target_desc final : tdesc_element
{
/* A vector of elements of register definitions that
describe the inferior's register set. */
std::vector<struct gdb::reg> reg_defs;
/* The register cache size, in bytes. */
int registers_size;
/* XML features in this target description. */
std::vector<tdesc_feature_up> features;
#ifndef IN_PROCESS_AGENT
/* A vector of register names. These are the "expedite" registers:
registers whose values are sent along with stop replies. */
std::vector<std::string> expedite_regs;
/* Defines what to return when looking for the "target.xml" file in
response to qXfer:features:read. Its contents can either be
verbatim XML code (prefixed with a '@') or else the name of the
actual XML file to be used in place of "target.xml".
If NULL then its content will be generated by parsing the target
description into xml. */
mutable const char *xmltarget = NULL;
/* The value of <architecture> element in the XML, replying GDB. */
gdb::unique_xmalloc_ptr<char> arch;
/* The value of <osabi> element in the XML, replying GDB. */
gdb::unique_xmalloc_ptr<char> osabi;
public:
target_desc ()
: registers_size (0)
{}
bool operator== (const target_desc &other) const;
bool operator!= (const target_desc &other) const
{
return !(*this == other);
}
#endif
void accept (tdesc_element_visitor &v) const override;
};
/* Copy target description SRC to DEST. */
void copy_target_description (struct target_desc *dest,
const struct target_desc *src);
/* Initialize TDESC, and then set its expedite_regs field to
EXPEDITE_REGS and its osabi to OSABI. */
void init_target_desc (struct target_desc *tdesc,
const char **expedite_regs,
enum gdb_osabi osabi);
/* Return the current inferior's target description. Never returns
NULL. */
const struct target_desc *current_target_desc (void);
/* Return true if TDESC contains the feature described by string FEATURE.
Return false otherwise. */
bool tdesc_contains_feature (const target_desc *tdesc,
const std::string &feature);
#endif /* GDBSERVER_TDESC_H */
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