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70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* SystemTap probe support for GDB.
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Copyright (C) 2012-2020 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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#if !defined (STAP_PROBE_H)
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#define STAP_PROBE_H 1
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#include "parser-defs.h"
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/* Structure which holds information about the parsing process of one probe's
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argument. */
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struct stap_parse_info
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{
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stap_parse_info (const char *arg_, struct type *arg_type_,
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const struct language_defn *lang,
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struct gdbarch *gdbarch)
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: arg (arg_),
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pstate (lang, gdbarch),
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saved_arg (arg_),
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arg_type (arg_type_),
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gdbarch (gdbarch),
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inside_paren_p (0)
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{
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}
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DISABLE_COPY_AND_ASSIGN (stap_parse_info);
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/* The probe's argument in a string format. */
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const char *arg;
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/* The parser state to be used when generating the expression. */
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struct expr_builder pstate;
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/* A pointer to the full chain of arguments. This is useful for printing
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error messages. The parser functions should not modify this argument
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directly; instead, they should use the ARG pointer above. */
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const char *saved_arg;
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/* The expected argument type (bitness), as defined in the probe's
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argument. For instance, if the argument begins with `-8@', it means
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the bitness is 64-bit signed. In this case, ARG_TYPE would represent
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the type `int64_t'. */
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struct type *arg_type;
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/* A pointer to the current gdbarch. */
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struct gdbarch *gdbarch;
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/* Greater than zero if we are inside a parenthesized expression. Useful
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for knowing when to skip spaces or not. */
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int inside_paren_p;
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};
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#endif /* !defined (STAP_PROBE_H) */
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