Initial revision

1 files changed, 137 insertions, 0 deletions

diff --git a/gdb/tracepoint.h b/gdb/tracepoint.h
new file mode 100644
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+/* Data structures associated with tracepoints in GDB.
+   Copyright (C) 1997 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 2 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, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if !defined (TRACEPOINT_H)
+#define TRACEPOINT_H 1
+
+#if !defined (BREAKPOINT_H)
+enum enable { disabled, enabled };
+#endif
+/* The data structure for an action: */
+struct action_line 
+{
+  struct action_line *next;
+  char *action;
+};
+
+/* The data structure for a tracepoint: */
+
+struct tracepoint
+{
+  struct tracepoint *next;
+
+  enum enable enabled;
+
+#if 0
+  /* Type of tracepoint (MVS FIXME: needed?). */
+  enum tptype type;
+
+  /* What to do with this tracepoint after we hit it MVS FIXME: needed?). */
+  enum tpdisp disposition;
+#endif
+  /* Number assigned to distinguish tracepoints.  */
+  int number;
+
+  /* Address to trace at, or NULL if not an instruction tracepoint (MVS ?). */
+  CORE_ADDR address;
+
+  /* Line number of this address.  Only matters if address is non-NULL.  */
+  int line_number;
+
+  /* Source file name of this address.  Only matters if address is non-NULL. */
+  char *source_file;
+
+  /* Number of times this tracepoint should single-step 
+     and collect additional data */
+  long step_count;
+
+  /* Number of times this tracepoint should be hit before disabling/ending. */
+  int pass_count;
+  
+  /* Chain of action lines to execute when this tracepoint is hit. */
+  struct action_line *actions;
+
+  /* Conditional (MVS ?).  */
+  struct expression *cond;
+
+  /* String we used to set the tracepoint (malloc'd).  Only matters if
+     address is non-NULL.  */
+  char *addr_string;
+
+  /* Language we used to set the tracepoint.  */
+  enum language language;
+
+  /* Input radix we used to set the tracepoint.  */
+  int input_radix;
+
+  /* Count of the number of times this tracepoint was taken, dumped
+     with the info, but not used for anything else.  Useful for
+     seeing how many times you hit a tracepoint prior to the program
+     aborting, so you can back up to just before the abort.  */
+  int hit_count;
+
+  /* Thread number for thread-specific tracepoint, or -1 if don't care */ 
+  int thread;
+
+  /* BFD section, in case of overlays: 
+     no, I don't know if tracepoints are really gonna work with overlays.  */
+  asection *section;
+};
+
+enum actionline_type
+{
+  BADLINE  = -1,
+  GENERIC  =  0,
+  END      =  1,
+  STEPPING =  2
+};
+
+
+/* The tracepont chain of all tracepoints */
+
+extern struct tracepoint *tracepoint_chain;
+
+extern unsigned long trace_running_p;
+
+/* A hook used to notify the UI of tracepoint operations */
+
+void (*create_tracepoint_hook) PARAMS ((struct tracepoint *));
+void (*delete_tracepoint_hook) PARAMS ((struct tracepoint *));
+void (*modify_tracepoint_hook) PARAMS ((struct tracepoint *));
+void (*trace_find_hook) PARAMS ((char *arg, int from_tty));
+void (*trace_start_stop_hook) PARAMS ((int start, int from_tty));
+
+struct tracepoint *get_tracepoint_by_number PARAMS ((char **));
+int get_traceframe_number PARAMS ((void));
+void  free_actions PARAMS((struct tracepoint *));
+enum actionline_type validate_actionline PARAMS((char **,
+                                                        struct tracepoint *));
+
+
+/* Walk the following statement or block through all tracepoints.
+   ALL_TRACEPOINTS_SAFE does so even if the statment deletes the current
+   breakpoint.  */
+
+#define ALL_TRACEPOINTS(t)  for (t = tracepoint_chain; t; t = t->next)
+
+#define ALL_TRACEPOINTS_SAFE(t,tmp)	\
+	for (t = tracepoint_chain;	\
+	     t ? (tmp = t->next, 1) : 0;\
+	     t = tmp)
+#endif /* TRACEPOINT_H */