/* Data structures associated with breakpoints in GDB.
- Copyright (C) 1992-2021 Free Software Foundation, Inc.
+ Copyright (C) 1992-2022 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbsupport/array-view.h"
#include "gdbsupport/filtered-iterator.h"
#include "gdbsupport/function-view.h"
+#include "gdbsupport/next-iterator.h"
+#include "gdbsupport/iterator-range.h"
#include "gdbsupport/refcounted-object.h"
#include "gdbsupport/safe-iterator.h"
#include "cli/cli-script.h"
struct gdbscm_breakpoint_object;
struct number_or_range_parser;
struct thread_info;
-struct bpstats;
+struct bpstat;
struct bp_location;
struct linespec_result;
struct linespec_sals;
/* Construct a bp_location with type TYPE. */
bp_location (breakpoint *owner, bp_loc_type type);
- virtual ~bp_location ();
+ virtual ~bp_location () = default;
/* Chain pointer to the next breakpoint location for
the same parent breakpoint. */
with it. */
bound_probe probe {};
- char *function_name = NULL;
+ gdb::unique_xmalloc_ptr<char> function_name;
/* Details of the placed breakpoint, when inserted. */
bp_target_info target_info {};
int (*breakpoint_hit) (const struct bp_location *bl,
const address_space *aspace,
CORE_ADDR bp_addr,
- const struct target_waitstatus *ws);
+ const target_waitstatus &ws);
/* Check internal conditions of the breakpoint referred to by BS.
If we should not stop for this breakpoint, set BS->stop to 0. */
- void (*check_status) (struct bpstats *bs);
+ void (*check_status) (struct bpstat *bs);
/* Tell how many hardware resources (debug registers) are needed
for this breakpoint. If this function is not provided, then
/* The normal print routine for this breakpoint, called when we
hit it. */
- enum print_stop_action (*print_it) (struct bpstats *bs);
+ enum print_stop_action (*print_it) (struct bpstat *bs);
/* Display information about this breakpoint, for "info
breakpoints". */
/* Called after evaluating the breakpoint's condition,
and only if it evaluated true. */
- void (*after_condition_true) (struct bpstats *bs);
+ void (*after_condition_true) (struct bpstat *bs);
};
/* Helper for breakpoint_ops->print_recreate implementations. Prints
/* bp_location linked list range. */
-using bp_locations_range = next_adapter<bp_location>;
+using bp_location_range = next_range<bp_location>;
/* 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
struct breakpoint
{
- virtual ~breakpoint ();
+ virtual ~breakpoint () = default;
/* Return a range of this breakpoint's locations. */
- bp_locations_range locations ();
+ bp_location_range locations ();
/* Methods associated with this breakpoint. */
const breakpoint_ops *ops = NULL;
int input_radix = 0;
/* String form of the breakpoint condition (malloc'd), or NULL if
there is no condition. */
- char *cond_string = NULL;
+ gdb::unique_xmalloc_ptr<char> cond_string;
/* String form of extra parameters, or NULL if there are none.
Malloc'd. */
- char *extra_string = NULL;
+ gdb::unique_xmalloc_ptr<char> extra_string;
/* Holds the address of the related watchpoint_scope breakpoint when
using watchpoints on local variables (might the concept of a
struct watchpoint : public breakpoint
{
- ~watchpoint () override;
-
/* String form of exp to use for displaying to the user (malloc'd),
or NULL if none. */
- char *exp_string;
+ gdb::unique_xmalloc_ptr<char> exp_string;
/* String form to use for reparsing of EXP (malloc'd) or NULL. */
- char *exp_string_reparse;
+ gdb::unique_xmalloc_ptr<char> exp_string_reparse;
/* The expression we are watching, or NULL if not a watchpoint. */
expression_up exp;
CORE_ADDR hw_wp_mask;
};
-/* Given a function FUNC (struct breakpoint *B, void *DATA) and
- USER_DATA, call FUNC for every known breakpoint passing USER_DATA
- as argument.
-
- If FUNC returns 1, the loop stops and the current
- 'struct breakpoint' being processed is returned. If FUNC returns
- zero, the loop continues.
-
- This function returns either a 'struct breakpoint' pointer or NULL.
- It was based on BFD's bfd_sections_find_if function. */
-
-extern struct breakpoint *breakpoint_find_if
- (int (*func) (struct breakpoint *b, void *d), void *user_data);
-
/* Return true if BPT is either a software breakpoint or a hardware
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;
-
/* Clears a chain of bpstat, freeing storage
of each. */
-extern void bpstat_clear (bpstat *);
+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_copy (bpstat *);
/* Build the (raw) bpstat chain for the stop information given by ASPACE,
BP_ADDR, and WS. Returns the head of the bpstat chain. */
-extern bpstat build_bpstat_chain (const address_space *aspace,
+extern bpstat *build_bpstat_chain (const address_space *aspace,
CORE_ADDR bp_addr,
- const struct target_waitstatus *ws);
+ const target_waitstatus &ws);
/* Get a bpstat associated with having just stopped at address
BP_ADDR in thread PTID. STOP_CHAIN may be supplied as a previously
Each element of the chain has valid next, breakpoint_at,
commands, FIXME??? fields. */
-extern bpstat bpstat_stop_status (const address_space *aspace,
+extern bpstat *bpstat_stop_status (const address_space *aspace,
CORE_ADDR pc, thread_info *thread,
- const struct target_waitstatus *ws,
- bpstat stop_chain = NULL);
+ const target_waitstatus &ws,
+ bpstat *stop_chain = nullptr);
\f
/* This bpstat_what stuff tells wait_for_inferior what to do with a
breakpoint (a challenging task).
};
/* Tell what to do about this bpstat. */
-struct bpstat_what bpstat_what (bpstat);
+struct bpstat_what bpstat_what (bpstat *);
/* Run breakpoint event callbacks associated with the breakpoints that
triggered. */
-extern void bpstat_run_callbacks (bpstat bs_head);
+extern void bpstat_run_callbacks (bpstat *bs_head);
/* Find the bpstat associated with a breakpoint. NULL otherwise. */
-bpstat bpstat_find_breakpoint (bpstat, struct breakpoint *);
+bpstat *bpstat_find_breakpoint (bpstat *, struct breakpoint *);
/* True if a signal that we got in target_wait() was due to
circumstances explained by the bpstat; the signal is therefore not
random. */
-extern bool bpstat_explains_signal (bpstat, enum gdb_signal);
+extern bool bpstat_explains_signal (bpstat *, enum gdb_signal);
/* True if this bpstat causes a stop. */
-extern bool bpstat_causes_stop (bpstat);
+extern bool bpstat_causes_stop (bpstat *);
/* True if we should step constantly (e.g. watchpoints on machines
without hardware support). This isn't related to a specific bpstat,
/* 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 enum print_stop_action bpstat_print (bpstat, int);
+extern enum print_stop_action bpstat_print (bpstat *, int);
/* Put in *NUM the breakpoint number of the first breakpoint we are
stopped at. *BSP upon return is a bpstat which points to the
Return -1 if stopped at a breakpoint that has been deleted since
we set it.
Return 1 otherwise. */
-extern int bpstat_num (bpstat *, int *);
+extern int bpstat_num (bpstat **, int *);
/* Perform actions associated with the stopped inferior. Actually, we
just use this for breakpoint commands. Perhaps other actions will
print_it_done
};
-struct bpstats
+struct bpstat
{
- bpstats ();
- bpstats (struct bp_location *bl, bpstat **bs_link_pointer);
+ bpstat ();
+ bpstat (struct bp_location *bl, bpstat ***bs_link_pointer);
- bpstats (const bpstats &);
- bpstats &operator= (const bpstats &) = delete;
+ bpstat (const bpstat &);
+ bpstat &operator= (const bpstat &) = delete;
/* Linked list because there can be more than one breakpoint at
the same place, and a bpstat reflects the fact that all have
been hit. */
- bpstat next;
+ bpstat *next;
/* Location that caused the stop. Locations are refcounted, so
this will never be NULL. Note that this location may end up
extern void breakpoint_init_inferior (enum inf_context);
-extern void breakpoint_auto_delete (bpstat);
-
-extern void iterate_over_bp_locations
- (gdb::function_view<void (bp_location *)> callback);
+extern void breakpoint_auto_delete (bpstat *);
/* Return the chain of command lines to execute when this breakpoint
is hit. */
extern void
add_catch_command (const char *name, const char *docstring,
- cmd_const_sfunc_ftype *sfunc,
+ cmd_func_ftype *func,
completer_ftype *completer,
void *user_data_catch,
void *user_data_tcatch);
/* Check if any hardware watchpoints have triggered, according to the
target. */
-int watchpoints_triggered (struct target_waitstatus *);
+int watchpoints_triggered (const target_waitstatus &);
/* Helper for transparent breakpoint hiding for memory read and write
routines.
/* 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);
+ Returns false if not, true if we are. */
+extern bool catching_syscall_number (int syscall_number);
/* Return a tracepoint with the given number if found. */
extern struct tracepoint *get_tracepoint (int num);
/* Breakpoint linked list range. */
-using breakpoint_range = next_adapter<breakpoint, breakpoint_iterator>;
+using breakpoint_range = iterator_range<breakpoint_iterator>;
/* Return a range to iterate over all breakpoints. */
/* Breakpoint linked list range, filtering to only keep tracepoints. */
-using tracepoint_range = next_adapter<breakpoint, tracepoint_iterator>;
+using tracepoint_range = iterator_range<tracepoint_iterator>;
/* Return a range to iterate over all tracepoints. */
tracepoint_range all_tracepoints ();
+/* Return a range to iterate over all breakpoint locations. */
+
+const std::vector<bp_location *> &all_bp_locations ();
+
/* Nonzero if the specified PC cannot be a location where functions
have been inlined. */
extern int pc_at_non_inline_function (const address_space *aspace,
CORE_ADDR pc,
- const struct target_waitstatus *ws);
+ const target_waitstatus &ws);
extern int user_breakpoint_p (struct breakpoint *);
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