binutils-gdb/gdb/tracepoint.h

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/* Data structures associated with tracepoints in GDB.
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Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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This file is part of GDB.
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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.
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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.
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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
/* The data structure for an action: */
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struct action_line
{
struct action_line *next;
char *action;
};
/* The data structure for a tracepoint: */
struct tracepoint
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{
struct tracepoint *next;
int enabled_p;
#if 0
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/* Type of tracepoint (MVS FIXME: needed?). */
enum tptype type;
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/* What to do with this tracepoint after we hit it MVS FIXME: needed?). */
enum tpdisp disposition;
#endif
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/* Number assigned to distinguish tracepoints. */
int number;
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/* Address to trace at, or NULL if not an instruction tracepoint (MVS ?). */
CORE_ADDR address;
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/* Line number of this address. Only matters if address is non-NULL. */
int line_number;
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/* Source file name of this address. Only matters if address is non-NULL. */
char *source_file;
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/* Number of times this tracepoint should single-step
and collect additional data */
long step_count;
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/* Number of times this tracepoint should be hit before disabling/ending. */
int pass_count;
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/* Chain of action lines to execute when this tracepoint is hit. */
struct action_line *actions;
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/* Conditional (MVS ?). */
struct expression *cond;
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/* String we used to set the tracepoint (malloc'd). Only matters if
address is non-NULL. */
char *addr_string;
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/* Language we used to set the tracepoint. */
enum language language;
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/* Input radix we used to set the tracepoint. */
int input_radix;
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/* 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;
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/* 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
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{
BADLINE = -1,
GENERIC = 0,
END = 1,
STEPPING = 2
};
/* The tracepoint 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) (struct tracepoint *);
void (*delete_tracepoint_hook) (struct tracepoint *);
void (*modify_tracepoint_hook) (struct tracepoint *);
void (*trace_find_hook) (char *arg, int from_tty);
void (*trace_start_stop_hook) (int start, int from_tty);
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struct tracepoint *get_tracepoint_by_number (char **, int, int);
int get_traceframe_number (void);
void free_actions (struct tracepoint *);
enum actionline_type validate_actionline (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 */