/* Data structures associated with breakpoints in GDB.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
This file is part of GDB.
#include "frame.h"
#include "value.h"
+#include "vec.h"
#include "gdb-events.h"
bp_catch_fork,
bp_catch_vfork,
bp_catch_exec,
-
- /* These are catchpoints to implement "catch catch" and "catch throw"
- commands for C++ exception handling. */
- bp_catch_catch,
- bp_catch_throw
-
-
};
/* States of enablement of breakpoint. */
{
bp_disabled, /* The eventpoint is inactive, and cannot trigger. */
bp_enabled, /* The eventpoint is active, and can trigger. */
- bp_shlib_disabled, /* The eventpoint's address is in an unloaded solib.
- The eventpoint will be automatically enabled
- and reset when that solib is loaded. */
bp_call_disabled, /* The eventpoint has been disabled while a call
into the inferior is "in flight", because some
eventpoints interfere with the implementation of
struct bp_location
{
- /* Chain pointer to the next breakpoint location. */
+ /* Chain pointer to the next breakpoint location for
+ the same parent breakpoint. */
struct bp_location *next;
+ /* Pointer to the next breakpoint location, in a global
+ list of all breakpoint locations. */
+ struct bp_location *global_next;
+
/* Type of this breakpoint location. */
enum bp_loc_type loc_type;
locations, the evaluation of expression can be different for
different locations. */
struct expression *cond;
+
+ /* This location's address is in an unloaded solib, and so this
+ location should not be inserted. It will be automatically
+ enabled when that solib is loaded. */
+ char shlib_disabled;
+
+ /* Is this particular location enabled. */
+ char enabled;
/* Nonzero if this breakpoint is now inserted. */
char inserted;
processor's architectual constraints. */
CORE_ADDR requested_address;
+ char *function_name;
+
/* Details of the placed breakpoint, when inserted. */
struct bp_target_info target_info;
void (*print_mention) (struct breakpoint *);
};
+enum watchpoint_triggered
+{
+ /* This watchpoint definitely did not trigger. */
+ watch_triggered_no = 0,
+
+ /* Some hardware watchpoint triggered, and it might have been this
+ one, but we do not know which it was. */
+ watch_triggered_unknown,
+
+ /* This hardware watchpoint definitely did trigger. */
+ watch_triggered_yes
+};
+
/* Note that the ->silent field is not currently used by any commands
(though the code is in there if it was to be, and set_raw_breakpoint
does set it to 0). I implemented it because I thought it would be
should be evaluated on the outermost frame. */
struct frame_id watchpoint_frame;
+ /* For hardware watchpoints, the triggered status according to the
+ hardware. */
+ enum watchpoint_triggered watchpoint_triggered;
+
/* Thread number for thread-specific breakpoint, or -1 if don't care */
int thread;
/* Methods associated with this breakpoint. */
struct breakpoint_ops *ops;
- /* Was breakpoint issued from a tty? Saved for the use of pending breakpoints. */
- int from_tty;
-
- /* Flag value for pending breakpoint.
- first bit : 0 non-temporary, 1 temporary.
- second bit : 0 normal breakpoint, 1 hardware breakpoint. */
- int flag;
-
- /* Is breakpoint pending on shlib loads? */
- int pending;
+ /* Is breakpoint's condition not yet parsed because we found
+ no location initially so had no context to parse
+ the condition in. */
+ int condition_not_parsed;
};
+
+typedef struct breakpoint *breakpoint_p;
+DEF_VEC_P(breakpoint_p);
\f
/* The following stuff is an abstract data type "bpstat" ("breakpoint
status"). This provides the ability to determine whether we have
is part of the bpstat is copied as well. */
extern bpstat bpstat_copy (bpstat);
-extern bpstat bpstat_stop_status (CORE_ADDR pc, ptid_t ptid,
- int stopped_by_watchpoint);
+extern bpstat bpstat_stop_status (CORE_ADDR pc, ptid_t ptid);
\f
/* This bpstat_what stuff tells wait_for_inferior what to do with a
breakpoint (a challenging task). */
just to things like whether watchpoints are set. */
extern int bpstat_should_step (void);
-/* Nonzero if there are enabled hardware watchpoints. */
-extern int bpstat_have_active_hw_watchpoints (void);
-
/* Print a message indicating what happened. Returns nonzero to
say that only the source line should be printed after this (zero
return means print the frame as well as the source line). */
place, and a bpstat reflects the fact that both have been hit. */
bpstat next;
/* Breakpoint that we are at. */
- struct bp_location *breakpoint_at;
+ const struct bp_location *breakpoint_at;
/* Commands left to be done. */
struct command_line *commands;
/* Old value associated with a watchpoint. */
extern int breakpoint_inserted_here_p (CORE_ADDR);
+extern int regular_breakpoint_inserted_here_p (CORE_ADDR);
+
extern int software_breakpoint_inserted_here_p (CORE_ADDR);
extern int breakpoint_thread_match (CORE_ADDR, ptid_t);
extern void set_default_breakpoint (int, CORE_ADDR, struct symtab *, int);
-extern void mark_breakpoints_out (void);
-
extern void breakpoint_init_inferior (enum inf_context);
extern struct cleanup *make_cleanup_delete_breakpoint (struct breakpoint *);
extern void rwatch_command_wrapper (char *, int);
extern void tbreak_command (char *, int);
-extern int insert_breakpoints (void);
+extern void insert_breakpoints (void);
extern int remove_breakpoints (void);
extern void disable_breakpoints_in_shlibs (void);
-extern void create_solib_load_event_breakpoint (char *, int, char *, char *);
-
-extern void create_solib_unload_event_breakpoint (char *, int,
- char *, char *);
-
-extern void create_fork_event_catchpoint (int, char *);
-
-extern void create_vfork_event_catchpoint (int, char *);
-
-extern void create_exec_event_catchpoint (int, char *);
-
/* This function returns TRUE if ep is a catchpoint. */
extern int ep_is_catchpoint (struct breakpoint *);
such as a library load or unload. */
extern int ep_is_shlib_catchpoint (struct breakpoint *);
-extern struct breakpoint *set_breakpoint_sal (struct symtab_and_line);
-
/* Enable breakpoints and delete when hit. Called with ARG == NULL
deletes all breakpoints. */
extern void delete_command (char *arg, int from_tty);
extern void *deprecated_insert_raw_breakpoint (CORE_ADDR);
extern int deprecated_remove_raw_breakpoint (void *);
+/* Check if any hardware watchpoints have triggered, according to the
+ target. */
+int watchpoints_triggered (struct target_waitstatus *);
+
#endif /* !defined (BREAKPOINT_H) */
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