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/* SystemTap probe support for GDB.
Copyright (C) 2012-2016 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/>. */
#if !defined (STAP_PROBE_H)
#define STAP_PROBE_H 1
/* For `struct parser_state'. */
#include "parser-defs.h"
/* Structure which holds information about the parsing process of one probe's
argument. */
struct stap_parse_info
{
/* The probe's argument in a string format. */
const char *arg;
/* The parser state to be used when generating the expression. */
struct parser_state pstate;
/* A pointer to the full chain of arguments. This is useful for printing
error messages. The parser functions should not modify this argument
directly; instead, they should use the ARG pointer above. */
const char *saved_arg;
/* The expected argument type (bitness), as defined in the probe's
argument. For instance, if the argument begins with `-8@', it means
the bitness is 64-bit signed. In this case, ARG_TYPE would represent
the type `int64_t'. */
struct type *arg_type;
/* A pointer to the current gdbarch. */
struct gdbarch *gdbarch;
/* Greater than zero if we are inside a parenthesized expression. Useful
for knowing when to skip spaces or not. */
int inside_paren_p;
};
#endif /* !defined (STAP_PROBE_H) */
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