1 /* SystemTap probe support for GDB. 2 3 Copyright (C) 2012-2013 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) */ 51