/* 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, 2009 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (BREAKPOINT_H)
#define BREAKPOINT_H 1
#include "frame.h"
#include "value.h"
-
-#include "gdb-events.h"
+#include "vec.h"
struct value;
struct block;
#define BREAKPOINT_MAX 16
\f
-/* Type of breakpoint. */
+
+/* Type of breakpoint. */
/* FIXME In the future, we should fold all other breakpoint-like things into
here. This includes:
bp_overlay_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,
+ /* Master copies of longjmp breakpoints. These are always installed
+ as soon as an objfile containing longjmp is loaded, but they are
+ always disabled. While necessary, temporary clones of bp_longjmp
+ type will be created and enabled. */
- /* 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,
+ bp_longjmp_master,
- /* These are catchpoints to implement "catch catch" and "catch throw"
- commands for C++ exception handling. */
- bp_catch_catch,
- bp_catch_throw
+ bp_catchpoint,
+ bp_tracepoint,
+ /* Event for JIT compiled code generation or deletion. */
+ bp_jit_event,
};
/* 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
automatically enabled and reset when the call
"lands" (either completes, or stops at another
eventpoint). */
+ bp_startup_disabled,/* The eventpoint has been disabled during inferior
+ startup. This is necessary on some targets where
+ the main executable will get relocated during
+ startup, making breakpoint addresses invalid.
+ The eventpoint will be automatically enabled and
+ reset once inferior startup is complete. */
bp_permanent /* There is a breakpoint instruction hard-wired into
the target's code. Don't try to write another
breakpoint instruction on top of it, or restore
struct bp_target_info
{
+ /* Address space at which the breakpoint was placed. */
+ struct address_space *placed_address_space;
+
/* Address at which the breakpoint was placed. This is normally the
same as ADDRESS from the bp_location, except when adjustment
- happens in BREAKPOINT_FROM_PC. The most common form of
+ happens in gdbarch_breakpoint_from_pc. The most common form of
adjustment is stripping an alternate ISA marker from the PC which
is used to determine the type of breakpoint to insert. */
CORE_ADDR placed_address;
int shadow_len;
/* The size of the placed breakpoint, according to
- BREAKPOINT_FROM_PC, when the breakpoint was inserted. This is
+ gdbarch_breakpoint_from_pc, when the breakpoint was inserted. This is
generally the same as SHADOW_LEN, unless we did not need
to read from the target to implement the memory breakpoint
(e.g. if a remote stub handled the details). We may still
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;
/* Type of this breakpoint location. */
than reference counting. */
struct breakpoint *owner;
+ /* Conditional. Break only if this expression's value is nonzero.
+ Unlike string form of condition, which is associated with breakpoint,
+ this is associated with location, since if breakpoint has several
+ 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;
/* Data for specific breakpoint types. These could be a union, but
simplicity is more important than memory usage for breakpoints. */
+ /* Architecture associated with this location's address. May be
+ different from the breakpoint architecture. */
+ struct gdbarch *gdbarch;
+
+ /* The program space associated with this breakpoint location
+ address. Note that an address space may be represented in more
+ than one program space (e.g. each uClinux program will be given
+ its own program space, but there will only be one address space
+ for all of them), but we must not insert more than one location
+ at the same address in the same address space. */
+ struct program_space *pspace;
+
/* Note that zero is a perfectly valid code address on some platforms
(for example, the mn10200 (OBSOLETE) and mn10300 simulators). NULL
is not a special value for this field. Valid for all types except
bp_loc_other. */
CORE_ADDR address;
- /* For any breakpoint type with an address, this is the BFD section
+ /* For hardware watchpoints, the size of data ad ADDRESS being watches. */
+ int length;
+
+ /* Type of hardware watchpoint. */
+ enum target_hw_bp_type watchpoint_type;
+
+ /* For any breakpoint type with an address, this is the section
associated with the address. Used primarily for overlay debugging. */
- asection *section;
+ struct obj_section *section;
/* Address at which breakpoint was requested, either by the user or
by GDB for internal breakpoints. This will usually be the same
processor's architectual constraints. */
CORE_ADDR requested_address;
+ char *function_name;
+
/* Details of the placed breakpoint, when inserted. */
struct bp_target_info target_info;
/* Similarly, for the breakpoint at an overlay's LMA, if necessary. */
struct bp_target_info overlay_target_info;
+
+ /* In a non-stop mode, it's possible that we delete a breakpoint,
+ but as we do that, some still running thread hits that breakpoint.
+ For that reason, we need to keep locations belonging to deleted
+ breakpoints for a bit, so that don't report unexpected SIGTRAP.
+ We can't keep such locations forever, so we use a heuristic --
+ after we process certain number of inferior events since
+ breakpoint was deleted, we retire all locations of that breakpoint.
+ This variable keeps a number of events still to go, when
+ it becomes 0 this location is retired. */
+ int events_till_retirement;
};
/* This structure is a collection of function pointers that, if available,
struct breakpoint_ops
{
+ /* Insert the breakpoint or activate the catchpoint. Should raise
+ an exception if the operation failed. */
+ void (*insert) (struct breakpoint *);
+
+ /* Remove the breakpoint/catchpoint that was previously inserted
+ with the "insert" method above. Return non-zero if the operation
+ succeeded. */
+ int (*remove) (struct breakpoint *);
+
+ /* Return non-zero if the debugger should tell the user that this
+ breakpoint was hit. */
+ int (*breakpoint_hit) (struct breakpoint *);
+
/* The normal print routine for this breakpoint, called when we
hit it. */
enum print_stop_action (*print_it) (struct breakpoint *);
/* Display information about this breakpoint, for "info breakpoints". */
- void (*print_one) (struct breakpoint *, CORE_ADDR *);
+ void (*print_one) (struct breakpoint *, struct bp_location **);
/* Display information about this breakpoint after setting it (roughly
speaking; this is called from "mention"). */
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
+};
+
+/* This is used to declare the VEC syscalls_to_be_caught. */
+DEF_VEC_I(int);
+
+typedef struct bp_location *bp_location_p;
+DEF_VEC_P(bp_location_p);
+
/* 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
/* Stack depth (address of frame). If nonzero, break only if fp
equals this. */
struct frame_id frame_id;
- /* Conditional. Break only if this expression's value is nonzero. */
- struct expression *cond;
+
+ /* The program space used to set the breakpoint. */
+ struct program_space *pspace;
/* String we used to set the breakpoint (malloc'd). */
char *addr_string;
+ /* Architecture we used to set the breakpoint. */
+ struct gdbarch *gdbarch;
/* Language we used to set the breakpoint. */
enum language language;
/* Input radix we used to set the breakpoint. */
/* The largest block within which it is valid, or NULL if it is
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 of the watchpoint the last time we checked it, or NULL
+ when we do not know the value yet or the value was not
+ readable. VAL is never lazy. */
struct value *val;
-
- /* Holds the value chain for a hardware watchpoint expression. */
- struct value *val_chain;
+ /* Nonzero if VAL is valid. If VAL_VALID is set but VAL is NULL,
+ then an error occurred reading the value. */
+ int val_valid;
/* Holds the address of the related watchpoint_scope breakpoint
when using watchpoints on local variables (might the concept
should be evaluated on the outermost frame. */
struct frame_id watchpoint_frame;
- /* Thread number for thread-specific breakpoint, or -1 if don't care */
+ /* Holds the thread which identifies the frame this watchpoint
+ should be considered in scope for, or `null_ptid' if the
+ watchpoint should be evaluated in all threads. */
+ ptid_t watchpoint_thread;
+
+ /* 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;
+ /* Ada task number for task-specific breakpoint, or 0 if don't care. */
+ int task;
+
/* 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 valid 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 valid immediately after this
catchpoint has triggered. */
- int forked_inferior_pid;
+ ptid_t forked_inferior_pid;
/* Filename of a program whose exec triggered this catchpoint.
This field is only valid immediately after this catchpoint has
triggered. */
char *exec_pathname;
+ /* Syscall numbers used for the 'catch syscall' feature.
+ If no syscall has been specified for filtering, its value is NULL.
+ Otherwise, it holds a list of all syscalls to be caught.
+ The list elements are allocated with xmalloc. */
+ VEC(int) *syscalls_to_be_caught;
+
/* 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;
+ /* 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;
+
+ /* Number of times this tracepoint should single-step
+ and collect additional data. */
+ long step_count;
- /* Flag value for pending breakpoint.
- first bit : 0 non-temporary, 1 temporary.
- second bit : 0 normal breakpoint, 1 hardware breakpoint. */
- int flag;
+ /* Number of times this tracepoint should be hit before
+ disabling/ending. */
+ int pass_count;
- /* Is breakpoint pending on shlib loads? */
- int pending;
+ /* Chain of action lines to execute when this tracepoint is hit. */
+ struct action_line *actions;
};
+
+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
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. */
+/* Frees any storage that is part of a bpstat.
+ Does not walk the 'next' chain. */
+extern void bpstat_free (bpstat);
+
+/* Clears a chain of bpstat, freeing storage
+ of each. */
extern void bpstat_clear (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 (bpstat);
-extern bpstat bpstat_stop_status (CORE_ADDR pc, ptid_t ptid,
- int stopped_by_watchpoint);
+extern bpstat bpstat_stop_status (struct address_space *aspace,
+ CORE_ADDR pc, ptid_t ptid);
\f
/* This bpstat_what stuff tells wait_for_inferior what to do with a
breakpoint (a challenging task). */
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,
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,
+ /* Check for new JITed code. */
+ BPSTAT_WHAT_CHECK_JIT,
/* This is just used to keep track of how many enums there are. */
BPSTAT_WHAT_LAST
a watchpoint enabled. */
#define bpstat_explains_signal(bs) ((bs) != NULL)
+/* Nonzero is this bpstat causes a stop. */
+extern int bpstat_causes_stop (bpstat);
+
/* 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 (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). */
Return 1 otherwise. */
extern int bpstat_num (bpstat *, int *);
-/* 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 (bpstat *);
+/* Perform actions associated with the stopped inferior. 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 (void);
/* Modify BS so that the actions will not be performed. */
extern void bpstat_clear_actions (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 (bpstat, bpstat *);
-
/* Implementation: */
/* Values used to tell the printing routine how to behave for this bpstat. */
place, and a bpstat reflects the fact that both have been hit. */
bpstat next;
/* Breakpoint that we are at. */
- struct breakpoint *breakpoint_at;
+ const struct bp_location *breakpoint_at;
/* Commands left to be done. */
struct command_line *commands;
/* Old value associated with a watchpoint. */
{
inf_starting,
inf_running,
- inf_exited
+ inf_exited,
+ inf_execd
};
/* The possible return values for breakpoint_here_p.
/* Prototypes for breakpoint-related functions. */
-extern enum breakpoint_here breakpoint_here_p (CORE_ADDR);
+extern enum breakpoint_here breakpoint_here_p (struct address_space *, CORE_ADDR);
+
+extern int moribund_breakpoint_here_p (struct address_space *, CORE_ADDR);
-extern int breakpoint_inserted_here_p (CORE_ADDR);
+extern int breakpoint_inserted_here_p (struct address_space *, CORE_ADDR);
-extern int software_breakpoint_inserted_here_p (CORE_ADDR);
+extern int regular_breakpoint_inserted_here_p (struct address_space *, CORE_ADDR);
-extern int breakpoint_thread_match (CORE_ADDR, ptid_t);
+extern int software_breakpoint_inserted_here_p (struct address_space *, CORE_ADDR);
+
+extern int breakpoint_thread_match (struct address_space *, CORE_ADDR, ptid_t);
extern void until_break_command (char *, int, int);
extern void breakpoint_re_set_thread (struct breakpoint *);
-extern int ep_is_exception_catchpoint (struct breakpoint *);
-
extern struct breakpoint *set_momentary_breakpoint
- (struct symtab_and_line, struct frame_id, enum bptype);
+ (struct gdbarch *, struct symtab_and_line, struct frame_id, enum bptype);
-extern void set_ignore_count (int, int, int);
+extern struct breakpoint *set_momentary_breakpoint_at_pc
+ (struct gdbarch *, CORE_ADDR pc, enum bptype type);
-extern void set_default_breakpoint (int, CORE_ADDR, struct symtab *, int);
+extern struct breakpoint *clone_momentary_breakpoint (struct breakpoint *bpkt);
-extern void mark_breakpoints_out (void);
+extern void set_ignore_count (int, int, int);
+
+extern void set_default_breakpoint (int, struct program_space *,
+ CORE_ADDR, struct symtab *, int);
extern void breakpoint_init_inferior (enum inf_context);
extern struct cleanup *make_cleanup_delete_breakpoint (struct breakpoint *);
-extern struct cleanup *make_exec_cleanup_delete_breakpoint (struct breakpoint *);
-
extern void delete_breakpoint (struct breakpoint *);
extern void breakpoint_auto_delete (bpstat);
-extern void breakpoint_clear_ignore_counts (void);
-
extern void break_command (char *, int);
extern void hbreak_command_wrapper (char *, int);
extern void rwatch_command_wrapper (char *, int);
extern void tbreak_command (char *, int);
-extern int insert_breakpoints (void);
+extern void set_breakpoint (struct gdbarch *gdbarch,
+ char *address, char *condition,
+ int hardwareflag, int tempflag,
+ int thread, int ignore_count,
+ int pending,
+ int enabled);
+
+extern void insert_breakpoints (void);
extern int remove_breakpoints (void);
+extern int remove_breakpoints_pid (int pid);
+
/* 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
inferior_ptid. */
extern int detach_breakpoints (int);
-extern void enable_longjmp_breakpoint (void);
-extern void disable_longjmp_breakpoint (void);
+/* This function is called when program space PSPACE is about to be
+ deleted. It takes care of updating breakpoints to not reference
+ this PSPACE anymore. */
+extern void breakpoint_program_space_exit (struct program_space *pspace);
+
+extern void set_longjmp_breakpoint (int thread);
+extern void delete_longjmp_breakpoint (int thread);
+
extern void enable_overlay_breakpoints (void);
extern void disable_overlay_breakpoints (void);
-extern void set_longjmp_resume_breakpoint (CORE_ADDR, struct frame_id);
/* These functions respectively disable or reenable all currently
enabled watchpoints. When disabled, the watchpoints are marked
call_disabled. When reenabled, they are marked enabled.
extern void enable_watchpoints_after_interactive_call_stop (void);
+/* These functions disable and re-enable all breakpoints during
+ inferior startup. They are intended to be called from solib
+ code where necessary. This is needed on platforms where the
+ main executable is relocated at some point during startup
+ processing, making breakpoint addresses invalid.
+
+ If additional breakpoints are created after the routine
+ disable_breakpoints_before_startup but before the routine
+ enable_breakpoints_after_startup was called, they will also
+ be marked as disabled. */
+extern void disable_breakpoints_before_startup (void);
+extern void enable_breakpoints_after_startup (void);
+
/* For script interpreters that need to define breakpoint commands
after they've already read the commands into a struct command_line. */
extern enum command_control_type commands_from_control_command
extern int get_number_or_range (char **);
+extern struct breakpoint *get_breakpoint (int num);
+
/* The following are for displays, which aren't really breakpoints, but
here is as good a place as any for them. */
extern void enable_breakpoint (struct breakpoint *);
-extern void make_breakpoint_permanent (struct breakpoint *);
-
-extern struct breakpoint *create_solib_event_breakpoint (CORE_ADDR);
+extern void breakpoint_set_commands (struct breakpoint *b,
+ struct command_line *commands);
-extern struct breakpoint *create_thread_event_breakpoint (CORE_ADDR);
-
-extern void remove_solib_event_breakpoints (void);
-
-extern void remove_thread_event_breakpoints (void);
+/* Clear the "inserted" flag in all breakpoints. */
+extern void mark_breakpoints_out (void);
-extern void disable_breakpoints_in_shlibs (int silent);
+extern void make_breakpoint_permanent (struct breakpoint *);
-extern void re_enable_breakpoints_in_shlibs (void);
+extern struct breakpoint *create_jit_event_breakpoint (struct gdbarch *,
+ CORE_ADDR);
-extern void create_solib_load_event_breakpoint (char *, int, char *, char *);
+extern struct breakpoint *create_solib_event_breakpoint (struct gdbarch *,
+ CORE_ADDR);
-extern void create_solib_unload_event_breakpoint (char *, int,
- char *, char *);
+extern struct breakpoint *create_thread_event_breakpoint (struct gdbarch *,
+ CORE_ADDR);
-extern void create_fork_event_catchpoint (int, char *);
+extern void remove_solib_event_breakpoints (void);
-extern void create_vfork_event_catchpoint (int, char *);
+extern void remove_thread_event_breakpoints (void);
-extern void create_exec_event_catchpoint (int, char *);
+extern void disable_breakpoints_in_shlibs (void);
/* This function returns TRUE if ep is a catchpoint. */
extern int ep_is_catchpoint (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 (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);
/* Manage a software single step breakpoint (or two). Insert may be called
twice before remove is called. */
-extern void insert_single_step_breakpoint (CORE_ADDR);
+extern void insert_single_step_breakpoint (struct gdbarch *,
+ struct address_space *, CORE_ADDR);
extern void remove_single_step_breakpoints (void);
/* Manage manual breakpoints, separate from the normal chain of
breakpoints. These functions are used in murky target-specific
ways. Please do not add more uses! */
-extern void *deprecated_insert_raw_breakpoint (CORE_ADDR);
-extern int deprecated_remove_raw_breakpoint (void *);
+extern void *deprecated_insert_raw_breakpoint (struct gdbarch *,
+ struct address_space *, CORE_ADDR);
+extern int deprecated_remove_raw_breakpoint (struct gdbarch *, void *);
+
+/* Check if any hardware watchpoints have triggered, according to the
+ target. */
+int watchpoints_triggered (struct target_waitstatus *);
+
+/* Update BUF, which is LEN bytes read from the target address MEMADDR,
+ by replacing any memory breakpoints with their shadowed contents. */
+void breakpoint_restore_shadows (gdb_byte *buf, ULONGEST memaddr,
+ LONGEST len);
+
+extern int breakpoints_always_inserted_mode (void);
+
+/* Called each time new event from target is processed.
+ Retires previously deleted breakpoint locations that
+ in our opinion won't ever trigger. */
+extern void breakpoint_retire_moribund (void);
+
+/* Checks if we are catching syscalls or not.
+ Returns 0 if not, greater than 0 if we are. */
+extern int catch_syscall_enabled (void);
+
+/* Checks if we are catching syscalls with the specific
+ syscall_number. Used for "filtering" the catchpoints.
+ Returns 0 if not, greater than 0 if we are. */
+extern int catching_syscall_number (int syscall_number);
+
+/* Tell a breakpoint to be quiet. */
+extern void make_breakpoint_silent (struct breakpoint *);
+
+/* Return a tracepoint with the given number if found. */
+extern struct breakpoint *get_tracepoint (int num);
+
+/* Find a tracepoint by parsing a number in the supplied string. */
+extern struct breakpoint *get_tracepoint_by_number (char **arg, int multi_p,
+ int optional_p);
+
+/* Return a vector of all tracepoints currently defined. The vector
+ is newly allocated; the caller should free when done with it. */
+extern VEC(breakpoint_p) *all_tracepoints (void);
#endif /* !defined (BREAKPOINT_H) */
projects / deliverable / binutils-gdb.git / blobdiff