| 1 | /* SystemTap probe support for GDB. |
| 2 | |
| 3 | Copyright (C) 2012 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #if !defined (STAP_PROBE_H) |
| 21 | #define STAP_PROBE_H 1 |
| 22 | |
| 23 | /* Structure which holds information about the parsing process of one probe's |
| 24 | argument. */ |
| 25 | |
| 26 | struct stap_parse_info |
| 27 | { |
| 28 | /* The probe's argument in a string format. */ |
| 29 | const char *arg; |
| 30 | |
| 31 | /* A pointer to the full chain of arguments. This is useful for printing |
| 32 | error messages. The parser functions should not modify this argument |
| 33 | directly; instead, they should use the ARG pointer above. */ |
| 34 | const char *saved_arg; |
| 35 | |
| 36 | /* The expected argument type (bitness), as defined in the probe's |
| 37 | argument. For instance, if the argument begins with `-8@', it means |
| 38 | the bitness is 64-bit signed. In this case, ARG_TYPE would represent |
| 39 | the type `int64_t'. */ |
| 40 | struct type *arg_type; |
| 41 | |
| 42 | /* A pointer to the current gdbarch. */ |
| 43 | struct gdbarch *gdbarch; |
| 44 | |
| 45 | /* Greater than zero if we are inside a parenthesized expression. Useful |
| 46 | for knowing when to skip spaces or not. */ |
| 47 | int inside_paren_p; |
| 48 | }; |
| 49 | |
| 50 | #endif /* !defined (STAP_PROBE_H) */ |