/* Data structures associated with breakpoints in GDB.
- Copyright (C) 1992-2015 Free Software Foundation, Inc.
+ Copyright (C) 1992-2016 Free Software Foundation, Inc.
This file is part of GDB.
struct bp_location;
struct linespec_result;
struct linespec_sals;
+struct event_location;
/* This is the maximum number of bytes a breakpoint instruction can
take. Feel free to increase it. It's just used in a few places to
struct symtab *symtab;
};
+/* The possible return values for print_bpstat, print_it_normal,
+ print_it_done, print_it_noop. */
+enum print_stop_action
+{
+ /* We printed nothing or we need to do some more analysis. */
+ PRINT_UNKNOWN = -1,
+
+ /* We printed something, and we *do* desire that something to be
+ followed by a location. */
+ PRINT_SRC_AND_LOC,
+
+ /* We printed something, and we do *not* desire that something to be
+ followed by a location. */
+ PRINT_SRC_ONLY,
+
+ /* We already printed all we needed to print, don't print anything
+ else. */
+ PRINT_NOTHING
+};
+
/* This structure is a collection of function pointers that, if available,
will be called instead of the performing the default action for this
bptype. */
/* Print to FP the CLI command that recreates this breakpoint. */
void (*print_recreate) (struct breakpoint *, struct ui_file *fp);
- /* Create SALs from address string, storing the result in linespec_result.
+ /* Create SALs from location, storing the result in linespec_result.
For an explanation about the arguments, see the function
- `create_sals_from_address_default'.
+ `create_sals_from_location_default'.
This function is called inside `create_breakpoint'. */
- void (*create_sals_from_address) (char **, struct linespec_result *,
- enum bptype, char *, char **);
+ void (*create_sals_from_location) (const struct event_location *location,
+ struct linespec_result *canonical,
+ enum bptype type_wanted);
/* This method will be responsible for creating a breakpoint given its SALs.
Usually, it just calls `create_breakpoints_sal' (for ordinary
int, const struct breakpoint_ops *,
int, int, int, unsigned);
- /* Given the address string (second parameter), this method decodes it
- and provides the SAL locations related to it. For ordinary breakpoints,
- it calls `decode_line_full'.
+ /* Given the location (second parameter), this method decodes it and
+ provides the SAL locations related to it. For ordinary
+ breakpoints, it calls `decode_line_full'. If SEARCH_PSPACE is
+ not NULL, symbol search is restricted to just that program space.
- This function is called inside `addr_string_to_sals'. */
- void (*decode_linespec) (struct breakpoint *, char **,
- struct symtabs_and_lines *);
+ This function is called inside `location_to_sals'. */
+ void (*decode_location) (struct breakpoint *b,
+ const struct event_location *location,
+ struct program_space *search_pspace,
+ struct symtabs_and_lines *sals);
/* Return true if this breakpoint explains a signal. See
bpstat_explains_signal. */
non-thread-specific ordinary breakpoints this is NULL. */
struct program_space *pspace;
- /* String we used to set the breakpoint (malloc'd). */
- char *addr_string;
+ /* Location we used to set the breakpoint (malloc'd). */
+ struct event_location *location;
/* The filter that should be passed to decode_line_full when
re-setting this breakpoint. This may be NULL, but otherwise is
allocated with xmalloc. */
char *filter;
- /* For a ranged breakpoint, the string we used to find
+ /* For a ranged breakpoint, the location we used to find
the end of the range (malloc'd). */
- char *addr_string_range_end;
+ struct event_location *location_range_end;
/* Architecture we used to set the breakpoint. */
struct gdbarch *gdbarch;
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. */
int is_longjmp;
};
-/* The possible return values for print_bpstat, print_it_normal,
- print_it_done, print_it_noop. */
-enum print_stop_action
- {
- /* We printed nothing or we need to do some more analysis. */
- PRINT_UNKNOWN = -1,
-
- /* We printed something, and we *do* desire that something to be
- followed by a location. */
- PRINT_SRC_AND_LOC,
-
- /* We printed something, and we do *not* desire that something to
- be followed by a location. */
- PRINT_SRC_ONLY,
-
- /* We already printed all we needed to print, don't print anything
- else. */
- PRINT_NOTHING
- };
-
/* Tell what to do about this bpstat. */
struct bpstat_what bpstat_what (bpstat);
-\f
+
+/* Run breakpoint event callbacks associated with the breakpoints that
+ triggered. */
+extern void bpstat_run_callbacks (bpstat bs_head);
+
/* Find the bpstat associated with a breakpoint. NULL otherwise. */
bpstat bpstat_find_breakpoint (bpstat, struct breakpoint *);
/* Prototypes for breakpoint-related functions. */
+/* Return 1 if there's a program/permanent breakpoint planted in
+ memory at ADDRESS, return 0 otherwise. */
+
+extern int program_breakpoint_here_p (struct gdbarch *gdbarch, CORE_ADDR address);
+
extern enum breakpoint_here breakpoint_here_p (struct address_space *,
CORE_ADDR);
+/* Return true if an enabled breakpoint exists in the range defined by
+ ADDR and LEN, in ASPACE. */
+extern int breakpoint_in_range_p (struct address_space *aspace,
+ CORE_ADDR addr, ULONGEST len);
+
extern int moribund_breakpoint_here_p (struct address_space *, CORE_ADDR);
extern int breakpoint_inserted_here_p (struct address_space *, CORE_ADDR);
extern int software_breakpoint_inserted_here_p (struct address_space *,
CORE_ADDR);
+/* Return non-zero iff there is a hardware breakpoint inserted at
+ PC. */
+extern int hardware_breakpoint_inserted_here_p (struct address_space *,
+ CORE_ADDR);
+
/* Check whether any location of BP is inserted at PC. */
extern int breakpoint_has_location_inserted_here (struct breakpoint *bp,
struct breakpoint *owner);
extern void update_breakpoint_locations (struct breakpoint *b,
+ struct program_space *filter_pspace,
struct symtabs_and_lines sals,
struct symtabs_and_lines sals_end);
CREATE_BREAKPOINT_FLAGS_INSERTED = 1 << 0
};
-extern int create_breakpoint (struct gdbarch *gdbarch, char *arg,
+/* Set a breakpoint. This function is shared between CLI and MI functions
+ for setting a breakpoint at LOCATION.
+
+ This function has two major modes of operations, selected by the
+ PARSE_EXTRA parameter.
+
+ If PARSE_EXTRA is zero, LOCATION is just the breakpoint's location,
+ with condition, thread, and extra string specified by the COND_STRING,
+ THREAD, and EXTRA_STRING parameters.
+
+ If PARSE_EXTRA is non-zero, this function will attempt to extract
+ the condition, thread, and extra string from EXTRA_STRING, ignoring
+ the similarly named parameters.
+
+ If INTERNAL is non-zero, the breakpoint number will be allocated
+ from the internal breakpoint count.
+
+ Returns true if any breakpoint was created; false otherwise. */
+
+extern int create_breakpoint (struct gdbarch *gdbarch,
+ const struct event_location *location,
char *cond_string, int thread,
char *extra_string,
- int parse_arg,
+ int parse_extra,
int tempflag, enum bptype wanted_type,
int ignore_count,
enum auto_boolean pending_break_support,
/* Clear the "inserted" flag in all breakpoints. */
extern void mark_breakpoints_out (void);
-extern void make_breakpoint_permanent (struct breakpoint *);
-
extern struct breakpoint *create_jit_event_breakpoint (struct gdbarch *,
CORE_ADDR);
delete at next stop disposition. */
extern void remove_solib_event_breakpoints_at_next_stop (void);
-extern void remove_thread_event_breakpoints (void);
-
extern void disable_breakpoints_in_shlibs (void);
/* This function returns TRUE if ep is a catchpoint. */
extern void breakpoint_retire_moribund (void);
/* Set break condition of breakpoint B to EXP. */
-extern void set_breakpoint_condition (struct breakpoint *b, char *exp,
+extern void set_breakpoint_condition (struct breakpoint *b, const char *exp,
int from_tty);
/* Checks if we are catching syscalls or not.
extern char *ep_parse_optional_if_clause (char **arg);
+/* Print the "Thread ID hit" part of "Thread ID hit Breakpoint N" to
+ UIOUT iff debugging multiple threads. */
+extern void maybe_print_thread_hit_breakpoint (struct ui_out *uiout);
+
#endif /* !defined (BREAKPOINT_H) */
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