| /* SystemTap probe support 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/>. */ |
| |
| #if !defined (STAP_PROBE_H) |
| #define STAP_PROBE_H 1 |
| |
| #include "parser-defs.h" |
| |
| /* Structure which holds information about the parsing process of one probe's |
| argument. */ |
| |
| struct stap_parse_info |
| { |
| stap_parse_info (const char *arg_, struct type *arg_type_, |
| const struct language_defn *lang, |
| struct gdbarch *gdbarch) |
| : arg (arg_), |
| pstate (lang, gdbarch), |
| saved_arg (arg_), |
| arg_type (arg_type_), |
| gdbarch (gdbarch), |
| inside_paren_p (0) |
| { |
| } |
| |
| DISABLE_COPY_AND_ASSIGN (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 expr_builder 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) */ |