/* Data structures associated with breakpoints in GDB.
- Copyright (C) 1992-2013 Free Software Foundation, Inc.
+ Copyright (C) 1992-2014 Free Software Foundation, Inc.
This file is part of GDB.
#include "vec.h"
#include "ax.h"
#include "command.h"
+#include "break-common.h"
+#include "probe.h"
struct value;
struct block;
-struct breakpoint_object;
+struct gdbpy_breakpoint_object;
+struct gdbscm_breakpoint_object;
struct get_number_or_range_state;
struct thread_info;
struct bpstats;
disp_donttouch /* Leave it alone */
};
-enum target_hw_bp_type
- {
- hw_write = 0, /* Common HW watchpoint */
- hw_read = 1, /* Read HW watchpoint */
- hw_access = 2, /* Access HW watchpoint */
- hw_execute = 3 /* Execute HW breakpoint */
- };
-
-
/* Status of breakpoint conditions used when synchronizing
conditions with the target. */
/* 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 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. */
+ /* Address at which the breakpoint was placed. This is normally
+ the same as REQUESTED_ADDRESS, except when adjustment 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;
+ /* Address at which the breakpoint was requested. */
+ CORE_ADDR reqstd_address;
+
/* If this is a ranged breakpoint, then this field contains the
length of the range that will be watched for execution. */
int length;
/* If the location comes from a probe point, this is the probe associated
with it. */
- struct probe *probe;
+ struct bound_probe probe;
char *function_name;
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. */
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
+ /* Return true if this breakpoint explains a signal. See
bpstat_explains_signal. */
- enum bpstat_signal_value (*explains_signal) (struct breakpoint *,
- enum gdb_signal);
+ int (*explains_signal) (struct breakpoint *, enum gdb_signal);
/* Called after evaluating the breakpoint's condition,
and only if it evaluated true. */
Python object that has been associated with this breakpoint.
This is always NULL for a GDB that is not script enabled. It
can sometimes be NULL for enabled GDBs as not all breakpoint
- types are tracked by the Python scripting API. */
- struct breakpoint_object *py_bp_object;
+ types are tracked by the scripting language API. */
+ struct gdbpy_breakpoint_object *py_bp_object;
+
+ /* Same as py_bp_object, but for Scheme. */
+ struct gdbscm_breakpoint_object *scm_bp_object;
};
/* An instance of this type is used to represent a watchpoint. It
then an error occurred reading the value. */
int val_valid;
+ /* When watching the location of a bitfield, contains the offset and size of
+ the bitfield. Otherwise contains 0. */
+ int val_bitpos;
+ int val_bitsize;
+
/* 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. */
/* Find the bpstat associated with a breakpoint. NULL otherwise. */
bpstat bpstat_find_breakpoint (bpstat, struct breakpoint *);
-/* Nonzero if a signal that we got in wait() was due to circumstances
- 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 if a signal that we got in target_wait() was due to
+ circumstances explained by the bpstat; the signal is therefore not
+ random. */
+extern int bpstat_explains_signal (bpstat, enum gdb_signal);
/* Nonzero is this bpstat causes a stop. */
extern int bpstat_causes_stop (bpstat);
extern int software_breakpoint_inserted_here_p (struct address_space *,
CORE_ADDR);
+extern int single_step_breakpoint_inserted_here_p (struct address_space *,
+ CORE_ADDR);
+
/* Returns true if there's a hardware watchpoint or access watchpoint
inserted in the range defined by ADDR and LEN. */
extern int hardware_watchpoint_inserted_in_range (struct address_space *,
extern int breakpoint_thread_match (struct address_space *,
CORE_ADDR, ptid_t);
+/* Returns true if {ASPACE1,ADDR1} and {ASPACE2,ADDR2} represent the
+ same breakpoint location. In most targets, this can only be true
+ if ASPACE1 matches ASPACE2. On targets that have global
+ breakpoints, the address space doesn't really matter. */
+
+extern int breakpoint_address_match (struct address_space *aspace1,
+ CORE_ADDR addr1,
+ struct address_space *aspace2,
+ CORE_ADDR addr2);
+
extern void until_break_command (char *, int, int);
/* Initialize a struct bp_location. */
extern void
add_catch_command (char *name, char *docstring,
- void (*sfunc) (char *args, int from_tty,
- struct cmd_list_element *command),
+ cmd_sfunc_ftype *sfunc,
completer_ftype *completer,
void *user_data_catch,
void *user_data_tcatch);
char *addr_string,
const struct breakpoint_ops *ops,
int tempflag,
+ int enabled,
int from_tty);
extern void init_catchpoint (struct breakpoint *b,
extern void delete_longjmp_breakpoint_at_next_stop (int thread);
extern struct breakpoint *set_longjmp_breakpoint_for_call_dummy (void);
-extern void check_longjmp_breakpoint_for_call_dummy (int thread);
+extern void check_longjmp_breakpoint_for_call_dummy (struct thread_info *tp);
extern void enable_overlay_breakpoints (void);
extern void disable_overlay_breakpoints (void);
extern struct breakpoint *create_solib_event_breakpoint (struct gdbarch *,
CORE_ADDR);
+/* Create an solib event breakpoint at ADDRESS in the current program
+ space, and immediately try to insert it. Returns a pointer to the
+ breakpoint on success. Deletes the new breakpoint and returns NULL
+ if inserting the breakpoint fails. */
+extern struct breakpoint *create_and_insert_solib_event_breakpoint
+ (struct gdbarch *gdbarch, CORE_ADDR address);
+
extern struct breakpoint *create_thread_event_breakpoint (struct gdbarch *,
CORE_ADDR);
extern void remove_solib_event_breakpoints (void);
+/* Mark solib event breakpoints of the current program space with
+ 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);
const gdb_byte *writebuf_org,
ULONGEST memaddr, LONGEST len);
-extern int breakpoints_always_inserted_mode (void);
+/* Return true if breakpoints should be inserted now. That'll be the
+ case if either:
+
+ - the target has global breakpoints.
+
+ - "breakpoint always-inserted" is on, and the target has
+ execution.
+
+ - threads are executing.
+*/
+extern int breakpoints_should_be_inserted_now (void);
/* Called each time new event from target is processed.
Retires previously deleted breakpoint locations that
/* Find a tracepoint by parsing a number in the supplied string. */
extern struct tracepoint *
get_tracepoint_by_number (char **arg,
- struct get_number_or_range_state *state,
- int optional_p);
+ struct get_number_or_range_state *state);
/* Return a vector of all tracepoints currently defined. The vector
is newly allocated; the caller should free when done with it. */
projects / platform / upstream / binutils.git / blobdiff