/* Data structures associated with breakpoints in GDB.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992, 93, 94, 95, 96, 98, 1999 Free Software Foundation, Inc.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if !defined (BREAKPOINT_H)
#define BREAKPOINT_H 1
#define BREAKPOINT_MAX 16
\f
-/* The follow stuff is an abstract data type "bpstat" ("breakpoint status").
- This provides the ability to determine whether we have stopped at a
- breakpoint, and what we should do about it. */
-
-typedef struct bpstat *bpstat;
-
-/* Interface: */
-/* Clear a bpstat so that it says we are not at any breakpoint.
- Also free any storage that is part of a bpstat. */
-extern void bpstat_clear PARAMS ((bpstat *));
+/* Type of breakpoint. */
+/* FIXME In the future, we should fold all other breakpoint-like things into
+ here. This includes:
-/* Return a copy of a bpstat. Like "bs1 = bs2" but all storage that
- is part of the bpstat is copied as well. */
-extern bpstat bpstat_copy PARAMS ((bpstat));
+ * single-step (for machines where we have to simulate single stepping)
+ (probably, though perhaps it is better for it to look as much as
+ possible like a single-step to wait_for_inferior). */
-/* Get a bpstat associated with having just stopped at address *PC
- and frame address FRAME_ADDRESS. Update *PC to point at the
- breakpoint (if we hit a breakpoint). */
-/* FIXME: prototypes uses equivalence between FRAME_ADDR and CORE_ADDR */
-extern bpstat bpstat_stop_status PARAMS ((CORE_ADDR *, CORE_ADDR));
+enum bptype {
+ bp_none = 0, /* Eventpoint has been deleted. */
+ bp_breakpoint, /* Normal breakpoint */
+ bp_hardware_breakpoint, /* Hardware assisted breakpoint */
+ bp_until, /* used by until command */
+ bp_finish, /* used by finish command */
+ bp_watchpoint, /* Watchpoint */
+ bp_hardware_watchpoint, /* Hardware assisted watchpoint */
+ bp_read_watchpoint, /* read watchpoint, (hardware assisted) */
+ bp_access_watchpoint, /* access watchpoint, (hardware assisted) */
+ bp_longjmp, /* secret breakpoint to find longjmp() */
+ bp_longjmp_resume, /* secret breakpoint to escape longjmp() */
-/* Nonzero if we should print the frame. */
-#define bpstat_should_print(bs) ((bs) != NULL && (bs)->print)
+ /* Used by wait_for_inferior for stepping over subroutine calls, for
+ stepping over signal handlers, and for skipping prologues. */
+ bp_step_resume,
-/* Nonzero if we should stop. */
-#define bpstat_stop(bs) ((bs) != NULL && (bs)->stop)
+ /* Used by wait_for_inferior for stepping over signal handlers. */
+ bp_through_sigtramp,
-/* Find the bpstat associated with a breakpoint. NULL otherwise. */
-bpstat bpstat_find_breakpoint(/* bpstat, breakpoint */);
+ /* Used to detect when a watchpoint expression has gone out of
+ scope. These breakpoints are usually not visible to the user.
-/* Nonzero if we hit a momentary breakpoint. */
-#define bpstat_momentary_breakpoint(bs) ((bs) != NULL && (bs)->momentary)
+ This breakpoint has some interesting properties:
-/* Nonzero if a signal that we got in wait() was due to circumstances
- explained by the BS. */
-/* Currently that is true iff we have hit a breakpoint. */
-#define bpstat_explains_signal(bs) ((bs) != NULL)
+ 1) There's always a 1:1 mapping between watchpoints
+ on local variables and watchpoint_scope breakpoints.
-/* Nonzero if we should step constantly (e.g. watchpoints on machines
- without hardware support). This isn't related to a specific bpstat,
- just to things like whether watchpoints are set. */
-extern int bpstat_should_step PARAMS ((void));
+ 2) It automatically deletes itself and the watchpoint it's
+ associated with when hit.
-/* 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). */
-extern int bpstat_print PARAMS ((bpstat));
+ 3) It can never be disabled. */
+ bp_watchpoint_scope,
-/* Return the breakpoint number of the first breakpoint we are stopped
- at. *BSP upon return is a bpstat which points to the remaining
- breakpoints stopped at (but which is not guaranteed to be good for
- anything but further calls to bpstat_num).
- Return 0 if passed a bpstat which does not indicate any breakpoints. */
-extern int bpstat_num PARAMS ((bpstat *));
+ /* The breakpoint at the end of a call dummy. */
+ /* FIXME: What if the function we are calling longjmp()s out of the
+ call, or the user gets out with the "return" command? We currently
+ have no way of cleaning up the breakpoint in these (obscure) situations.
+ (Probably can solve this by noticing longjmp, "return", etc., it's
+ similar to noticing when a watchpoint on a local variable goes out
+ of scope (with hardware support for watchpoints)). */
+ bp_call_dummy,
-/* Perform actions associated with having stopped at *BSP. */
-extern void bpstat_do_actions PARAMS ((bpstat *));
+ /* Some dynamic linkers (HP, maybe Solaris) can arrange for special
+ code in the inferior to run when significant events occur in the
+ dynamic linker (for example a library is loaded or unloaded).
-/* Modify BS so that the actions will not be performed. */
-extern void bpstat_clear_actions PARAMS ((bpstat));
+ By placing a breakpoint in this magic code GDB will get control
+ when these significant events occur. GDB can then re-examine
+ the dynamic linker's data structures to discover any newly loaded
+ dynamic libraries. */
+ bp_shlib_event,
+
+ /* These breakpoints are used to implement the "catch load" command
+ on platforms whose dynamic linkers support such functionality. */
+ bp_catch_load,
+
+ /* These breakpoints are used to implement the "catch unload" command
+ on platforms whose dynamic linkers support such functionality. */
+ bp_catch_unload,
+
+ /* These are not really breakpoints, but are catchpoints that
+ implement the "catch fork", "catch vfork" and "catch exec" commands
+ on platforms whose kernel support such functionality. (I.e.,
+ kernels which can raise an event when a fork or exec occurs, as
+ opposed to the debugger setting breakpoints on functions named
+ "fork" or "exec".) */
+ 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
-/* Implementation: */
-struct bpstat
-{
- /* Linked list because there can be two breakpoints at the
- same place, and a bpstat reflects the fact that both have been hit. */
- bpstat next;
- /* Breakpoint that we are at. */
- struct breakpoint *breakpoint_at;
- /* Commands left to be done. */
- struct command_line *commands;
- /* Old value associated with a watchpoint. */
- value old_val;
- /* Nonzero if we should print the frame. Only significant for the first
- bpstat in the chain. */
- char print;
- /* Nonzero if we should stop. Only significant for the first bpstat in
- the chain. */
- char stop;
- /* Nonzero if we hit a momentary breakpoint. Only significant for the
- first bpstat in the chain. */
- char momentary;
+
};
-\f
-/* Type of breakpoint. */
-/* FIXME In the future, we should fold all other breakpoint-like things into
- here. This includes:
- 1) single-step (for machines where we have to simulate single stepping),
- 2) step-resume (for 'next'ing over subroutine calls),
- 3) call-dummy (the breakpoint at the end of a subroutine stub that gdb
- uses to call functions in the target).
-*/
+/* States of enablement of breakpoint. */
-enum bptype {
- bp_breakpoint, /* Normal breakpoint */
- bp_until, /* used by until command */
- bp_finish, /* used by finish command */
- bp_watchpoint, /* Watchpoint */
- bp_longjmp, /* secret breakpoint to find longjmp() */
- bp_longjmp_resume /* secret breakpoint to escape longjmp() */
+enum enable {
+ disabled, /* The eventpoint is inactive, and cannot trigger. */
+ enabled, /* The eventpoint is active, and can trigger. */
+ shlib_disabled, /* The eventpoint's address is within an unloaded solib.
+ The eventpoint will be automatically enabled & reset
+ when that solib is loaded. */
+ call_disabled /* The eventpoint has been disabled while a call into
+ the inferior is "in flight", because some eventpoints
+ interfere with the implementation of a call on some
+ targets. The eventpoint will be automatically enabled
+ & reset when the call "lands" (either completes, or
+ stops at another eventpoint). */
};
-/* States of enablement of breakpoint. */
-
-enum enable { disabled, enabled};
/* Disposition of breakpoint. Ie: what to do after hitting it. */
enum bpdisp {
- delete, /* Delete it */
+ del, /* Delete it */
+ del_at_next_stop, /* Delete at next stop, whether hit or not */
disable, /* Disable it */
donttouch /* Leave it alone */
};
enum bpdisp disposition;
/* Number assigned to distinguish breakpoints. */
int number;
+
/* Address to break at, or NULL if not a breakpoint. */
CORE_ADDR address;
- /* Line number of this address. Redundant. Only matters if address
- is non-NULL. */
+
+ /* Line number of this address. Only matters if address is
+ non-NULL. */
+
int line_number;
- /* Symtab of file of this address. Redundant. Only matters if address
- is non-NULL. */
- struct symtab *symtab;
+
+ /* Source file name of this address. Only matters if address is
+ non-NULL. */
+
+ char *source_file;
+
/* Non-zero means a silent breakpoint (don't print frame info
if we stop here). */
unsigned char silent;
struct command_line *commands;
/* Stack depth (address of frame). If nonzero, break only if fp
equals this. */
- FRAME_ADDR frame;
+ CORE_ADDR frame;
/* Conditional. Break only if this expression's value is nonzero. */
struct expression *cond;
/* String we used to set the breakpoint (malloc'd). Only matters if
address is non-NULL. */
char *addr_string;
+ /* Language we used to set the breakpoint. */
+ enum language language;
+ /* Input radix we used to set the breakpoint. */
+ int input_radix;
/* String form of the breakpoint condition (malloc'd), or NULL if there
is no condition. */
char *cond_string;
valid anywhere (e.g. consists just of global symbols). */
struct block *exp_valid_block;
/* Value of the watchpoint the last time we checked it. */
- value val;
+ value_ptr val;
+
+ /* Holds the value chain for a hardware watchpoint expression. */
+ value_ptr val_chain;
+
+ /* Holds the address of the related watchpoint_scope breakpoint
+ when using watchpoints on local variables (might the concept
+ of a related breakpoint be useful elsewhere, if not just call
+ it the watchpoint_scope breakpoint or something like that. FIXME). */
+ struct breakpoint *related_breakpoint;
+
+ /* Holds the frame address which identifies the frame this watchpoint
+ should be evaluated in, or NULL if the watchpoint should be evaluated
+ on the outermost frame. */
+ CORE_ADDR watchpoint_frame;
+
+ /* Thread number for thread-specific breakpoint, or -1 if don't care */
+ int thread;
+
+ /* Count of the number of times this breakpoint was taken, dumped
+ with the info, but not used for anything else. Useful for
+ seeing how many times you hit a break prior to the program
+ aborting, so you can back up to just before the abort. */
+ int hit_count;
+
+ /* Filename of a dynamically-linked library (dll), used for bp_catch_load
+ and bp_catch_unload (malloc'd), or NULL if any library is significant. */
+ char * dll_pathname;
+
+ /* Filename of a dll whose state change (e.g., load or unload)
+ triggered this catchpoint. This field is only vaid immediately
+ after this catchpoint has triggered. */
+ char * triggered_dll_pathname;
+
+ /* Process id of a child process whose forking triggered this catchpoint.
+ This field is only vaid immediately after this catchpoint has triggered. */
+ int forked_inferior_pid;
+
+ /* Filename of a program whose exec triggered this catchpoint. This
+ field is only vaid immediately after this catchpoint has triggered. */
+ char * exec_pathname;
+
+ asection *section;
};
+\f
+/* The following stuff is an abstract data type "bpstat" ("breakpoint status").
+ This provides the ability to determine whether we have stopped at a
+ breakpoint, and what we should do about it. */
+
+typedef struct bpstats *bpstat;
+
+/* Interface: */
+/* Clear a bpstat so that it says we are not at any breakpoint.
+ Also free any storage that is part of a bpstat. */
+extern void bpstat_clear PARAMS ((bpstat *));
+
+/* Return a copy of a bpstat. Like "bs1 = bs2" but all storage that
+ is part of the bpstat is copied as well. */
+extern bpstat bpstat_copy PARAMS ((bpstat));
+
+extern bpstat bpstat_stop_status PARAMS ((CORE_ADDR *, int));
+\f
+/* This bpstat_what stuff tells wait_for_inferior what to do with a
+ breakpoint (a challenging task). */
+
+enum bpstat_what_main_action {
+ /* Perform various other tests; that is, this bpstat does not
+ say to perform any action (e.g. failed watchpoint and nothing
+ else). */
+ BPSTAT_WHAT_KEEP_CHECKING,
+
+ /* Rather than distinguish between noisy and silent stops here, it
+ might be cleaner to have bpstat_print make that decision (also
+ taking into account stop_print_frame and source_only). But the
+ implications are a bit scary (interaction with auto-displays, etc.),
+ so I won't try it. */
+
+ /* Stop silently. */
+ BPSTAT_WHAT_STOP_SILENT,
+
+ /* Stop and print. */
+ BPSTAT_WHAT_STOP_NOISY,
+
+ /* Remove breakpoints, single step once, then put them back in and
+ go back to what we were doing. It's possible that this should be
+ removed from the main_action and put into a separate field, to more
+ cleanly handle BPSTAT_WHAT_CLEAR_LONGJMP_RESUME_SINGLE. */
+ BPSTAT_WHAT_SINGLE,
+
+ /* Set longjmp_resume breakpoint, remove all other breakpoints,
+ and continue. The "remove all other breakpoints" part is required
+ if we are also stepping over another breakpoint as well as doing
+ the longjmp handling. */
+ BPSTAT_WHAT_SET_LONGJMP_RESUME,
+
+ /* Clear longjmp_resume breakpoint, then handle as
+ BPSTAT_WHAT_KEEP_CHECKING. */
+ BPSTAT_WHAT_CLEAR_LONGJMP_RESUME,
+
+ /* Clear longjmp_resume breakpoint, then handle as BPSTAT_WHAT_SINGLE. */
+ BPSTAT_WHAT_CLEAR_LONGJMP_RESUME_SINGLE,
+
+ /* Clear step resume breakpoint, and keep checking. */
+ BPSTAT_WHAT_STEP_RESUME,
+
+ /* Clear through_sigtramp breakpoint, muck with trap_expected, and keep
+ checking. */
+ BPSTAT_WHAT_THROUGH_SIGTRAMP,
+
+ /* Check the dynamic linker's data structures for new libraries, then
+ keep checking. */
+ BPSTAT_WHAT_CHECK_SHLIBS,
+
+ /* Check the dynamic linker's data structures for new libraries, then
+ resume out of the dynamic linker's callback, stop and print. */
+ BPSTAT_WHAT_CHECK_SHLIBS_RESUME_FROM_HOOK,
+
+ /* This is just used to keep track of how many enums there are. */
+ BPSTAT_WHAT_LAST
+};
+
+struct bpstat_what {
+ enum bpstat_what_main_action main_action;
+
+ /* Did we hit a call dummy breakpoint? This only goes with a main_action
+ of BPSTAT_WHAT_STOP_SILENT or BPSTAT_WHAT_STOP_NOISY (the concept of
+ continuing from a call dummy without popping the frame is not a
+ useful one). */
+ int call_dummy;
+};
+
+/* Tell what to do about this bpstat. */
+struct bpstat_what bpstat_what PARAMS ((bpstat));
+\f
+/* Find the bpstat associated with a breakpoint. NULL otherwise. */
+bpstat bpstat_find_breakpoint PARAMS ((bpstat, struct breakpoint *));
+
+/* Find a step_resume breakpoint associated with this bpstat.
+ (If there are multiple step_resume bp's on the list, this function
+ will arbitrarily pick one.)
+
+ It is an error to use this function if BPSTAT doesn't contain a
+ step_resume breakpoint.
+
+ See wait_for_inferior's use of this function.
+ */
+extern struct breakpoint *
+bpstat_find_step_resume_breakpoint PARAMS ((bpstat));
+
+/* Nonzero if a signal that we got in wait() was due to circumstances
+ explained by the BS. */
+/* Currently that is true if we have hit a breakpoint, or if there is
+ a watchpoint enabled. */
+#define bpstat_explains_signal(bs) ((bs) != NULL)
+
+/* Nonzero if we should step constantly (e.g. watchpoints on machines
+ without hardware support). This isn't related to a specific bpstat,
+ just to things like whether watchpoints are set. */
+extern int bpstat_should_step PARAMS ((void));
+
+/* Nonzero if there are enabled hardware watchpoints. */
+extern int bpstat_have_active_hw_watchpoints PARAMS ((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). */
+extern int bpstat_print PARAMS ((bpstat));
+
+/* Return the breakpoint number of the first breakpoint we are stopped
+ at. *BSP upon return is a bpstat which points to the remaining
+ breakpoints stopped at (but which is not guaranteed to be good for
+ anything but further calls to bpstat_num).
+ Return 0 if passed a bpstat which does not indicate any breakpoints. */
+extern int bpstat_num PARAMS ((bpstat *));
+
+/* Perform actions associated with having stopped at *BSP. Actually, we just
+ use this for breakpoint commands. Perhaps other actions will go here
+ later, but this is executed at a late time (from the command loop). */
+extern void bpstat_do_actions PARAMS ((bpstat *));
+
+/* Modify BS so that the actions will not be performed. */
+extern void bpstat_clear_actions PARAMS ((bpstat));
+
+/* Given a bpstat that records zero or more triggered eventpoints, this
+ function returns another bpstat which contains only the catchpoints
+ on that first list, if any.
+ */
+extern void bpstat_get_triggered_catchpoints PARAMS ((bpstat, bpstat *));
+
+/* Implementation: */
+struct bpstats
+{
+ /* Linked list because there can be two breakpoints at the
+ same place, and a bpstat reflects the fact that both have been hit. */
+ bpstat next;
+ /* Breakpoint that we are at. */
+ struct breakpoint *breakpoint_at;
+ /* Commands left to be done. */
+ struct command_line *commands;
+ /* Old value associated with a watchpoint. */
+ value_ptr old_val;
+
+ /* Nonzero if this breakpoint tells us to print the frame. */
+ char print;
+
+ /* Nonzero if this breakpoint tells us to stop. */
+ char stop;
+
+ /* Function called by bpstat_print to print stuff associated with
+ this element of the bpstat chain. Returns 0 or 1 just like
+ bpstat_print, or -1 if it can't deal with it. */
+ int (*print_it) PARAMS((bpstat bs));
+};
+
+enum inf_context
+{
+ inf_starting,
+ inf_running,
+ inf_exited
+};
+
\f
/* Prototypes for breakpoint-related functions. */
struct frame_info;
#endif
-extern int
-breakpoint_here_p PARAMS ((CORE_ADDR));
+extern int breakpoint_here_p PARAMS ((CORE_ADDR));
-extern void
-until_break_command PARAMS ((char *, int));
+extern int breakpoint_inserted_here_p PARAMS ((CORE_ADDR));
-extern void
-breakpoint_re_set PARAMS ((void));
+extern int frame_in_dummy PARAMS ((struct frame_info *));
-extern void
-clear_momentary_breakpoints PARAMS ((void));
+extern int breakpoint_thread_match PARAMS ((CORE_ADDR, int));
-/* FIXME: Prototype uses equivalence of "struct frame_info *" and FRAME */
-extern struct breakpoint *
-set_momentary_breakpoint PARAMS ((struct symtab_and_line,
- struct frame_info *,
- enum bptype));
+extern void until_break_command PARAMS ((char *, int));
-extern void
-set_ignore_count PARAMS ((int, int, int));
+extern void breakpoint_re_set PARAMS ((void));
-extern void
-set_default_breakpoint PARAMS ((int, CORE_ADDR, struct symtab *, int));
+extern void breakpoint_re_set_thread PARAMS ((struct breakpoint *));
-extern void
-mark_breakpoints_out PARAMS ((void));
+extern int ep_is_exception_catchpoint PARAMS ((struct breakpoint *));
-extern void
-delete_breakpoint PARAMS ((struct breakpoint *));
+extern struct breakpoint *set_momentary_breakpoint
+ PARAMS ((struct symtab_and_line, struct frame_info *, enum bptype));
-extern void
-breakpoint_auto_delete PARAMS ((bpstat));
+extern void set_ignore_count PARAMS ((int, int, int));
-extern void
-breakpoint_clear_ignore_counts PARAMS ((void));
+extern void set_default_breakpoint PARAMS ((int, CORE_ADDR, struct symtab *, int));
-extern void
-break_command PARAMS ((char *, int));
+extern void mark_breakpoints_out PARAMS ((void));
-extern int
-insert_breakpoints PARAMS ((void));
+extern void breakpoint_init_inferior PARAMS ((enum inf_context));
-extern int
-remove_breakpoints PARAMS ((void));
+extern void delete_breakpoint PARAMS ((struct breakpoint *));
-extern void
-enable_longjmp_breakpoint PARAMS ((void));
+extern void breakpoint_auto_delete PARAMS ((bpstat));
+
+extern void breakpoint_clear_ignore_counts PARAMS ((void));
+
+extern void break_command PARAMS ((char *, int));
+
+extern void tbreak_command PARAMS ((char *, int));
+
+extern int insert_breakpoints PARAMS ((void));
+
+extern int remove_breakpoints PARAMS ((void));
+
+/* This function can be used to physically insert eventpoints from the
+ specified traced inferior process, without modifying the breakpoint
+ package's state. This can be useful for those targets which support
+ following the processes of a fork() or vfork() system call, when both
+ of the resulting two processes are to be followed. */
+extern int reattach_breakpoints PARAMS ((int));
+
+/* This function can be used to update the breakpoint package's state
+ after an exec() system call has been executed.
+
+ This function causes the following:
+
+ - All eventpoints are marked "not inserted".
+ - All eventpoints with a symbolic address are reset such that
+ the symbolic address must be reevaluated before the eventpoints
+ can be reinserted.
+ - The solib breakpoints are explicitly removed from the breakpoint
+ list.
+ - A step-resume breakpoint, if any, is explicitly removed from the
+ breakpoint list.
+ - All eventpoints without a symbolic address are removed from the
+ breakpoint list. */
+extern void update_breakpoints_after_exec PARAMS ((void));
+
+/* This function can be used to physically remove hardware breakpoints
+ and watchpoints from the specified traced inferior process, without
+ modifying the breakpoint package's state. This can be useful for
+ those targets which support following the processes of a fork() or
+ vfork() system call, when one of the resulting two processes is to
+ be detached and allowed to run free.
+
+ It is an error to use this function on the process whose id is
+ inferior_pid. */
+extern int detach_breakpoints PARAMS ((int));
+
+extern void enable_longjmp_breakpoint PARAMS ((void));
+extern void disable_longjmp_breakpoint PARAMS ((void));
+
+extern void set_longjmp_resume_breakpoint PARAMS ((CORE_ADDR,
+ struct frame_info *));
+/* These functions respectively disable or reenable all currently
+ enabled watchpoints. When disabled, the watchpoints are marked
+ call_disabled. When reenabled, they are marked enabled.
+
+ The intended client of these functions is infcmd.c\run_stack_dummy.
+
+ The inferior must be stopped, and all breakpoints removed, when
+ these functions are used.
+
+ The need for these functions is that on some targets (e.g., HP-UX),
+ gdb is unable to unwind through the dummy frame that is pushed as
+ part of the implementation of a call command. Watchpoints can
+ cause the inferior to stop in places where this frame is visible,
+ and that can cause execution control to become very confused.
+
+ Note that if a user sets breakpoints in an interactively call
+ function, the call_disabled watchpoints will have been reenabled
+ when the first such breakpoint is reached. However, on targets
+ that are unable to unwind through the call dummy frame, watches
+ of stack-based storage may then be deleted, because gdb will
+ believe that their watched storage is out of scope. (Sigh.) */
extern void
-disable_longjmp_breakpoint PARAMS ((void));
+disable_watchpoints_before_interactive_call_start PARAMS ((void));
extern void
-set_longjmp_resume_breakpoint PARAMS ((CORE_ADDR, FRAME));
+enable_watchpoints_after_interactive_call_stop PARAMS ((void));
+
+extern void clear_breakpoint_hit_counts PARAMS ((void));
+
/* The following are for displays, which aren't really breakpoints, but
here is as good a place as any for them. */
-extern void
-disable_current_display PARAMS ((void));
+extern void disable_current_display PARAMS ((void));
-extern void
-do_displays PARAMS ((void));
+extern void do_displays PARAMS ((void));
-extern void
-disable_display PARAMS ((int));
+extern void disable_display PARAMS ((int));
-extern void
-clear_displays PARAMS ((void));
+extern void clear_displays PARAMS ((void));
+
+extern void disable_breakpoint PARAMS ((struct breakpoint *));
+
+extern void enable_breakpoint PARAMS ((struct breakpoint *));
+
+extern void create_solib_event_breakpoint PARAMS ((CORE_ADDR));
+
+extern void remove_solib_event_breakpoints PARAMS ((void));
+
+extern void disable_breakpoints_in_shlibs PARAMS ((int silent));
+
+extern void re_enable_breakpoints_in_shlibs PARAMS ((void));
+
+extern void create_solib_load_event_breakpoint PARAMS ((char *, int, char *, char *));
+
+extern void create_solib_unload_event_breakpoint PARAMS ((char *, int, char *, char *));
+
+extern void create_fork_event_catchpoint PARAMS ((int, char *));
+
+extern void create_vfork_event_catchpoint PARAMS ((int, char *));
+
+extern void create_exec_event_catchpoint PARAMS ((int, char *));
+
+/* This function returns TRUE if ep is a catchpoint. */
+extern int ep_is_catchpoint PARAMS ((struct breakpoint *));
+
+/* This function returns TRUE if ep is a catchpoint of a
+ shared library (aka dynamically-linked library) event,
+ such as a library load or unload. */
+extern int ep_is_shlib_catchpoint PARAMS ((struct breakpoint *));
+
+extern struct breakpoint *set_breakpoint_sal PARAMS ((struct symtab_and_line));
#endif /* !defined (BREAKPOINT_H) */
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