/* Data structures associated with breakpoints in GDB.
- Copyright (C) 1992-2004, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 1992-2013 Free Software Foundation, Inc.
This file is part of GDB.
/* Vector of conditions the target should evaluate if it supports target-side
breakpoint conditions. */
VEC(agent_expr_p) *conditions;
+
+ /* Vector of commands the target should evaluate if it supports
+ target-side breakpoint commands. */
+ VEC(agent_expr_p) *tcommands;
+
+ /* Flag that is true if the breakpoint should be left in place even
+ when GDB is not connected. */
+ int persist;
};
/* GDB maintains two types of information about each breakpoint (or
enum condition_status condition_changed;
- /* Signals that breakpoint conditions need to be re-synched with the
- target. This has no use other than target-side breakpoints. */
+ struct agent_expr *cmd_bytecode;
+
+ /* Signals that breakpoint conditions and/or commands need to be
+ re-synched with the target. This has no use other than
+ target-side breakpoints. */
char needs_update;
/* This location's address is in an unloaded solib, and so this
it becomes 0 this location is retired. */
int events_till_retirement;
- /* Line number of this address. */
+ /* Line number which was used to place this location.
+
+ Breakpoint placed into a comment keeps it's user specified line number
+ despite ADDRESS resolves into a different line number. */
int line_number;
- /* Source file name of this address. */
+ /* Symtab which was used to place this location. This is used
+ to find the corresponding source file name. */
- char *source_file;
+ struct symtab *symtab;
};
+/* Return values for bpstat_explains_signal. Note that the order of
+ the constants is important here; they are compared directly in
+ bpstat_explains_signal. */
+
+enum bpstat_signal_value
+ {
+ /* bpstat does not explain this signal. */
+ BPSTAT_SIGNAL_NO = 0,
+
+ /* bpstat explains this signal; signal should not be delivered. */
+ BPSTAT_SIGNAL_HIDE,
+
+ /* bpstat explains this signal; signal should be delivered. */
+ BPSTAT_SIGNAL_PASS
+ };
+
/* This structure is a collection of function pointers that, if available,
will be called instead of the performing the default action for this
bptype. */
This function is called inside `addr_string_to_sals'. */
void (*decode_linespec) (struct breakpoint *, char **,
struct symtabs_and_lines *);
+
+ /* Return true if this breakpoint explains a signal, but the signal
+ should still be delivered to the inferior. This is used to make
+ 'catch signal' interact properly with 'handle'; see
+ bpstat_explains_signal. */
+ enum bpstat_signal_value (*explains_signal) (struct breakpoint *,
+ enum gdb_signal);
};
/* Helper for breakpoint_ops->print_recreate implementations. Prints
there is no condition. */
char *cond_string;
- /* String form of extra parameters, or NULL if there are none. */
+ /* String form of extra parameters, or NULL if there are none.
+ Malloc'd. */
char *extra_string;
/* Holds the address of the related watchpoint_scope breakpoint
struct expression *exp;
/* 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;
+ const struct block *exp_valid_block;
/* The conditional expression if any. */
struct expression *cond_exp;
/* The largest block within which it is valid, or NULL if it is
valid anywhere (e.g. consists just of global symbols). */
- struct block *cond_exp_valid_block;
+ const struct block *cond_exp_valid_block;
/* 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. */
bpstat bpstat_find_breakpoint (bpstat, struct breakpoint *);
/* 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)
+ explained by the bpstat; and the signal should therefore not be
+ delivered. */
+extern enum bpstat_signal_value bpstat_explains_signal (bpstat,
+ enum gdb_signal);
/* Nonzero is this bpstat causes a stop. */
extern int bpstat_causes_stop (bpstat);
extern void rwatch_command_wrapper (char *, int, int);
extern void tbreak_command (char *, int);
+extern struct breakpoint_ops base_breakpoint_ops;
extern struct breakpoint_ops bkpt_breakpoint_ops;
+extern struct breakpoint_ops tracepoint_breakpoint_ops;
+extern struct breakpoint_ops dprintf_breakpoint_ops;
extern void initialize_breakpoint_ops (void);
int tempflag,
int from_tty);
+extern void init_catchpoint (struct breakpoint *b,
+ struct gdbarch *gdbarch, int tempflag,
+ char *cond_string,
+ const struct breakpoint_ops *ops);
+
/* Add breakpoint B on the breakpoint list, and notify the user, the
target and breakpoint_created observers of its existence. If
INTERNAL is non-zero, the breakpoint number will be allocated from
extern int create_breakpoint (struct gdbarch *gdbarch, char *arg,
char *cond_string, int thread,
char *extra_string,
- int parse_condition_and_thread,
+ int parse_arg,
int tempflag, enum bptype wanted_type,
int ignore_count,
enum auto_boolean pending_break_support,
It is an error to use this function on the process whose id is
inferior_ptid. */
-extern int detach_breakpoints (int);
+extern int detach_breakpoints (ptid_t ptid);
/* This function is called when program space PSPACE is about to be
deleted. It takes care of updating breakpoints to not reference
/* This function returns TRUE if ep is a catchpoint. */
extern int is_catchpoint (struct breakpoint *);
+/* Shared helper function (MI and CLI) for creating and installing
+ a shared object event catchpoint. */
+extern void add_solib_catchpoint (char *arg, int is_load, int is_temp,
+ int enabled);
+
/* Enable breakpoints and delete when hit. Called with ARG == NULL
deletes all breakpoints. */
extern void delete_command (char *arg, int from_tty);
/* Attempt to determine architecture of location identified by SAL. */
extern struct gdbarch *get_sal_arch (struct symtab_and_line sal);
-extern void handle_solib_event (void);
+extern void breakpoint_free_objfile (struct objfile *objfile);
+
+extern char *ep_parse_optional_if_clause (char **arg);
#endif /* !defined (BREAKPOINT_H) */
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