| 1 | /* Data structures associated with tracepoints in GDB. |
| 2 | Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #if !defined (TRACEPOINT_H) |
| 22 | #define TRACEPOINT_H 1 |
| 23 | |
| 24 | /* The data structure for an action: */ |
| 25 | struct action_line |
| 26 | { |
| 27 | struct action_line *next; |
| 28 | char *action; |
| 29 | }; |
| 30 | |
| 31 | /* The data structure for a tracepoint: */ |
| 32 | |
| 33 | struct tracepoint |
| 34 | { |
| 35 | struct tracepoint *next; |
| 36 | |
| 37 | int enabled_p; |
| 38 | |
| 39 | #if 0 |
| 40 | /* Type of tracepoint (MVS FIXME: needed?). */ |
| 41 | enum tptype type; |
| 42 | |
| 43 | /* What to do with this tracepoint after we hit it MVS FIXME: needed?). */ |
| 44 | enum tpdisp disposition; |
| 45 | #endif |
| 46 | /* Number assigned to distinguish tracepoints. */ |
| 47 | int number; |
| 48 | |
| 49 | /* Address to trace at, or NULL if not an instruction tracepoint (MVS ?). */ |
| 50 | CORE_ADDR address; |
| 51 | |
| 52 | /* Line number of this address. Only matters if address is non-NULL. */ |
| 53 | int line_number; |
| 54 | |
| 55 | /* Source file name of this address. Only matters if address is non-NULL. */ |
| 56 | char *source_file; |
| 57 | |
| 58 | /* Number of times this tracepoint should single-step |
| 59 | and collect additional data */ |
| 60 | long step_count; |
| 61 | |
| 62 | /* Number of times this tracepoint should be hit before disabling/ending. */ |
| 63 | int pass_count; |
| 64 | |
| 65 | /* Chain of action lines to execute when this tracepoint is hit. */ |
| 66 | struct action_line *actions; |
| 67 | |
| 68 | /* Conditional (MVS ?). */ |
| 69 | struct expression *cond; |
| 70 | |
| 71 | /* String we used to set the tracepoint (malloc'd). Only matters if |
| 72 | address is non-NULL. */ |
| 73 | char *addr_string; |
| 74 | |
| 75 | /* Language we used to set the tracepoint. */ |
| 76 | enum language language; |
| 77 | |
| 78 | /* Input radix we used to set the tracepoint. */ |
| 79 | int input_radix; |
| 80 | |
| 81 | /* Count of the number of times this tracepoint was taken, dumped |
| 82 | with the info, but not used for anything else. Useful for |
| 83 | seeing how many times you hit a tracepoint prior to the program |
| 84 | aborting, so you can back up to just before the abort. */ |
| 85 | int hit_count; |
| 86 | |
| 87 | /* Thread number for thread-specific tracepoint, or -1 if don't care */ |
| 88 | int thread; |
| 89 | |
| 90 | /* BFD section, in case of overlays: |
| 91 | no, I don't know if tracepoints are really gonna work with overlays. */ |
| 92 | asection *section; |
| 93 | }; |
| 94 | |
| 95 | enum actionline_type |
| 96 | { |
| 97 | BADLINE = -1, |
| 98 | GENERIC = 0, |
| 99 | END = 1, |
| 100 | STEPPING = 2 |
| 101 | }; |
| 102 | |
| 103 | |
| 104 | /* The tracepoint chain of all tracepoints */ |
| 105 | |
| 106 | extern struct tracepoint *tracepoint_chain; |
| 107 | |
| 108 | extern unsigned long trace_running_p; |
| 109 | |
| 110 | /* A hook used to notify the UI of tracepoint operations */ |
| 111 | |
| 112 | void (*create_tracepoint_hook) (struct tracepoint *); |
| 113 | void (*delete_tracepoint_hook) (struct tracepoint *); |
| 114 | void (*modify_tracepoint_hook) (struct tracepoint *); |
| 115 | void (*trace_find_hook) (char *arg, int from_tty); |
| 116 | void (*trace_start_stop_hook) (int start, int from_tty); |
| 117 | |
| 118 | struct tracepoint *get_tracepoint_by_number (char **, int, int); |
| 119 | int get_traceframe_number (void); |
| 120 | void free_actions (struct tracepoint *); |
| 121 | enum actionline_type validate_actionline (char **, struct tracepoint *); |
| 122 | |
| 123 | |
| 124 | /* Walk the following statement or block through all tracepoints. |
| 125 | ALL_TRACEPOINTS_SAFE does so even if the statment deletes the current |
| 126 | breakpoint. */ |
| 127 | |
| 128 | #define ALL_TRACEPOINTS(t) for (t = tracepoint_chain; t; t = t->next) |
| 129 | |
| 130 | #define ALL_TRACEPOINTS_SAFE(t,tmp) \ |
| 131 | for (t = tracepoint_chain; \ |
| 132 | t ? (tmp = t->next, 1) : 0;\ |
| 133 | t = tmp) |
| 134 | #endif /* TRACEPOINT_H */ |