/* Data structures associated with breakpoints in GDB.
- Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1992-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "frame.h"
#include "value.h"
#include "vec.h"
+#include "ax.h"
+#include "command.h"
+#include "break-common.h"
+#include "probe.h"
+#include "location.h"
+#include <vector>
struct value;
struct block;
-struct breakpoint_object;
-struct get_number_or_range_state;
+struct gdbpy_breakpoint_object;
+struct gdbscm_breakpoint_object;
+struct number_or_range_parser;
struct thread_info;
struct bpstats;
struct bp_location;
+struct linespec_result;
+struct linespec_sals;
+
+/* Why are we removing the breakpoint from the target? */
+
+enum remove_bp_reason
+{
+ /* A regular remove. Remove the breakpoint and forget everything
+ about it. */
+ REMOVE_BREAKPOINT,
+
+ /* Detach the breakpoints from a fork child. */
+ DETACH_BREAKPOINT,
+};
/* 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
\f
/* Type of breakpoint. */
-/* FIXME In the future, we should fold all other breakpoint-like
- things into here. This includes:
-
- * single-step (for machines where we have to simulate single
- stepping) (probably, though perhaps it is better for it to look as
- much as possible like a single-step to wait_for_inferior). */
enum bptype
{
bp_none = 0, /* Eventpoint has been deleted */
bp_breakpoint, /* Normal breakpoint */
bp_hardware_breakpoint, /* Hardware assisted breakpoint */
+ bp_single_step, /* Software single-step */
bp_until, /* used by until command */
bp_finish, /* used by finish command */
bp_watchpoint, /* Watchpoint */
bp_longjmp, /* secret breakpoint to find longjmp() */
bp_longjmp_resume, /* secret breakpoint to escape longjmp() */
+ /* Breakpoint placed to the same location(s) like bp_longjmp but used to
+ protect against stale DUMMY_FRAME. Multiple bp_longjmp_call_dummy and
+ one bp_call_dummy are chained together by related_breakpoint for each
+ DUMMY_FRAME. */
+ bp_longjmp_call_dummy,
+
/* An internal breakpoint that is installed on the unwinder's
debug hook. */
bp_exception,
3) It can never be disabled. */
bp_watchpoint_scope,
- /* The breakpoint at the end of a call dummy. */
- /* FIXME: What if the function we are calling longjmp()s out of
- the call, or the user gets out with the "return" command? We
- currently have no way of cleaning up the breakpoint in these
- (obscure) situations. (Probably can solve this by noticing
- longjmp, "return", etc., it's similar to noticing when a
- watchpoint on a local variable goes out of scope (with hardware
- support for watchpoints)). */
+ /* The breakpoint at the end of a call dummy. See bp_longjmp_call_dummy it
+ is chained with by related_breakpoint. */
bp_call_dummy,
/* A breakpoint set on std::terminate, that is used to catch
bp_fast_tracepoint,
bp_static_tracepoint,
+ /* A dynamic printf stops at the given location, does a formatted
+ print, then automatically continues. (Although this is sort of
+ like a macro packaging up standard breakpoint functionality,
+ GDB doesn't have a way to construct types of breakpoint from
+ elements of behavior.) */
+ bp_dprintf,
+
/* Event for JIT compiled code generation or deletion. */
bp_jit_event,
automatically enabled and reset when the
call "lands" (either completes, or stops
at another eventpoint). */
- 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 its
- value. Step over it using the
- architecture's SKIP_INSN macro. */
};
disp_donttouch /* Leave it alone */
};
-enum target_hw_bp_type
+/* Status of breakpoint conditions used when synchronizing
+ conditions with the target. */
+
+enum condition_status
{
- hw_write = 0, /* Common HW watchpoint */
- hw_read = 1, /* Read HW watchpoint */
- hw_access = 2, /* Access HW watchpoint */
- hw_execute = 3 /* Execute HW breakpoint */
+ condition_unchanged = 0,
+ condition_modified,
+ condition_updated
};
-
/* Information used by targets to insert and remove breakpoints. */
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 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;
/* The length of the data cached in SHADOW_CONTENTS. */
int shadow_len;
- /* The size of the placed breakpoint, according to
- 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 need
- the size to remove the breakpoint safely. */
- int placed_size;
+ /* The breakpoint's kind. It is used in 'kind' parameter in Z
+ packets. */
+ int kind;
+
+ /* Conditions the target should evaluate if it supports target-side
+ breakpoint conditions. These are non-owning pointers. */
+ std::vector<agent_expr *> conditions;
+
+ /* Commands the target should evaluate if it supports target-side
+ breakpoint commands. These are non-owning pointers. */
+ std::vector<agent_expr *> 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
different for different locations. Only valid for real
breakpoints; a watchpoint's conditional expression is stored in
the owner breakpoint object. */
- struct expression *cond;
+ expression_up cond;
+
+ /* Conditional expression in agent expression
+ bytecode form. This is used for stub-side breakpoint
+ condition evaluation. */
+ agent_expr_up cond_bytecode;
+
+ /* Signals that the condition has changed since the last time
+ we updated the global location list. This means the condition
+ needs to be sent to the target again. This is used together
+ with target-side breakpoint conditions.
+
+ condition_unchanged: It means there has been no condition changes.
+
+ condition_modified: It means this location had its condition modified.
+
+ condition_updated: It means we already marked all the locations that are
+ duplicates of this location and thus we don't need to call
+ force_breakpoint_reinsertion (...) for this location. */
+
+ enum condition_status condition_changed;
+
+ agent_expr_up 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
location should not be inserted. It will be automatically
/* Nonzero if this breakpoint is now inserted. */
char inserted;
+ /* Nonzero if this is a permanent breakpoint. 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 its
+ value. Step over it using the architecture's
+ gdbarch_skip_permanent_breakpoint method. */
+ char permanent;
+
/* Nonzero if this is not the first breakpoint in the list
for the given address. location of tracepoint can _never_
be duplicated with other locations of tracepoints and other
processor's architectual constraints. */
CORE_ADDR requested_address;
+ /* An additional address assigned with this location. This is currently
+ only used by STT_GNU_IFUNC resolver breakpoints to hold the address
+ of the resolver function. */
+ CORE_ADDR related_address;
+
+ /* If the location comes from a probe point, this is the probe associated
+ with it. */
+ struct bound_probe probe;
+
char *function_name;
/* Details of the placed breakpoint, when inserted. */
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. */
+
+ 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,
- char *source_file;
+ /* 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,
with the "insert" method above. Return 0 for success, 1 if the
breakpoint, watchpoint or catchpoint type is not supported,
-1 for failure. */
- int (*remove_location) (struct bp_location *);
+ int (*remove_location) (struct bp_location *, enum remove_bp_reason reason);
/* Return true if it the target has stopped due to hitting
breakpoint location BL. This function does not check if we
- should stop, only if BL explains the stop. */
- int (*breakpoint_hit) (const struct bp_location *bl, struct address_space *,
- CORE_ADDR);
+ should stop, only if BL explains the stop. ASPACE is the address
+ space in which the event occurred, BP_ADDR is the address at
+ which the inferior stopped, and WS is the target_waitstatus
+ describing the event. */
+ int (*breakpoint_hit) (const struct bp_location *bl,
+ struct address_space *aspace,
+ CORE_ADDR bp_addr,
+ const struct 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. */
/* Print to FP the CLI command that recreates this breakpoint. */
void (*print_recreate) (struct breakpoint *, struct ui_file *fp);
+
+ /* Create SALs from location, storing the result in linespec_result.
+
+ For an explanation about the arguments, see the function
+ `create_sals_from_location_default'.
+
+ This function is called inside `create_breakpoint'. */
+ 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
+ breakpoints). However, there may be some special cases where we might
+ need to do some tweaks, e.g., see
+ `strace_marker_create_breakpoints_sal'.
+
+ This function is called inside `create_breakpoint'. */
+ void (*create_breakpoints_sal) (struct gdbarch *,
+ struct linespec_result *,
+ char *, char *,
+ enum bptype, enum bpdisp, int, int,
+ int, const struct breakpoint_ops *,
+ int, int, int, unsigned);
+
+ /* 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 `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. */
+ int (*explains_signal) (struct breakpoint *, enum gdb_signal);
+
+ /* Called after evaluating the breakpoint's condition,
+ and only if it evaluated true. */
+ void (*after_condition_true) (struct bpstats *bs);
};
/* Helper for breakpoint_ops->print_recreate implementations. Prints
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);
/* Number of stops at this breakpoint that should
be continued automatically before really stopping. */
int ignore_count;
+
+ /* Number of stops at this breakpoint before it will be
+ disabled. */
+ int enable_count;
+
/* Chain of command lines to execute when this breakpoint is
hit. */
struct counted_command_line *commands;
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. */
+ event_location_up 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
- the end of the range (malloc'd). */
- char *addr_string_range_end;
+ /* For a ranged breakpoint, the location we used to find
+ the end of the range. */
+ event_location_up location_range_end;
/* Architecture we used to set the breakpoint. */
struct gdbarch *gdbarch;
/* String form of the breakpoint condition (malloc'd), or NULL if
there is no condition. */
char *cond_string;
- /* String form of exp to use for displaying to the user
- (malloc'd), or NULL if 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
when using watchpoints on local variables (might the concept of
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
char *exp_string_reparse;
/* The expression we are watching, or NULL if not a watchpoint. */
- struct expression *exp;
+ expression_up 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;
+ expression_up 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. */
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. */
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. */
+
+extern int is_breakpoint (const struct breakpoint *bpt);
+
/* Returns true if BPT is really a watchpoint. */
extern int is_watchpoint (const struct breakpoint *bpt);
extern bpstat bpstat_copy (bpstat);
extern bpstat bpstat_stop_status (struct address_space *aspace,
- CORE_ADDR pc, ptid_t ptid);
+ CORE_ADDR pc, ptid_t ptid,
+ const struct target_waitstatus *ws);
\f
/* This bpstat_what stuff tells wait_for_inferior what to do with a
breakpoint (a challenging task).
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 *);
-/* 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)
+/* 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);
/* 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 address_space *aspace,
+ CORE_ADDR pc);
+
+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 *,
CORE_ADDR addr,
ULONGEST len);
-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);
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);
extern void breakpoint_auto_delete (bpstat);
+typedef void (*walk_bp_location_callback) (struct bp_location *, void *);
+
+extern void iterate_over_bp_locations (walk_bp_location_callback);
+
/* Return the chain of command lines to execute when this breakpoint
is hit. */
extern struct command_line *breakpoint_commands (struct breakpoint *b);
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);
function. */
extern void
- add_catch_command (char *name, char *docstring,
- void (*sfunc) (char *args, int from_tty,
- struct cmd_list_element *command),
- char **(*completer) (struct cmd_list_element *cmd,
- char *text, char *word),
+ add_catch_command (const char *name, const char *docstring,
+ 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,
+ struct gdbarch *gdbarch, int tempflag,
+ const 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 void install_breakpoint (int internal, struct breakpoint *b,
int update_gll);
-extern int create_breakpoint (struct gdbarch *gdbarch, char *arg,
+/* Flags that can be passed down to create_breakpoint, etc., to affect
+ breakpoint creation in several ways. */
+
+enum breakpoint_create_flags
+ {
+ /* We're adding a breakpoint to our tables that is already
+ inserted in the target. */
+ CREATE_BREAKPOINT_FLAGS_INSERTED = 1 << 0
+ };
+
+/* 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,
- int parse_condition_and_thread,
+ char *extra_string,
+ int parse_extra,
int tempflag, enum bptype wanted_type,
int ignore_count,
enum auto_boolean pending_break_support,
const struct breakpoint_ops *ops,
int from_tty,
int enabled,
- int internal);
+ int internal, unsigned flags);
extern void insert_breakpoints (void);
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
struct frame_id frame);
extern void delete_longjmp_breakpoint (int thread);
+/* Mark all longjmp breakpoints from THREAD for later deletion. */
+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 (struct thread_info *tp);
+
extern void enable_overlay_breakpoints (void);
extern void disable_overlay_breakpoints (void);
after they've already read the commands into a struct
command_line. */
extern enum command_control_type commands_from_control_command
- (char *arg, struct command_line *cmd);
+ (const char *arg, struct command_line *cmd);
extern void clear_breakpoint_hit_counts (void);
extern void enable_breakpoint (struct breakpoint *);
extern void breakpoint_set_commands (struct breakpoint *b,
- struct command_line *commands);
+ command_line_up &&commands);
extern void breakpoint_set_silent (struct breakpoint *b, int silent);
/* 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);
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);
-extern void remove_thread_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 disable_breakpoints_in_shlibs (void);
/* This function returns TRUE if ep is a catchpoint. */
-extern int ep_is_catchpoint (struct breakpoint *);
+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 (const 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);
-/* Manage a software single step breakpoint (or two). Insert may be
- called twice before remove is called. */
+/* Create and insert a new software single step breakpoint for the
+ current thread. May be called multiple times; each time will add a
+ new location to the set of potential addresses the next instruction
+ is at. */
extern void insert_single_step_breakpoint (struct gdbarch *,
struct address_space *,
CORE_ADDR);
-extern int single_step_breakpoints_inserted (void);
-extern void remove_single_step_breakpoints (void);
-extern void cancel_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 (struct gdbarch *,
- struct address_space *,
- CORE_ADDR);
-extern int deprecated_remove_raw_breakpoint (struct gdbarch *, void *);
+
+/* Insert all software single step breakpoints for the current frame.
+ Return true if any software single step breakpoints are inserted,
+ otherwise, return false. */
+extern int insert_single_step_breakpoints (struct gdbarch *);
/* Check if any hardware watchpoints have triggered, according to the
target. */
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
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.
/* 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);
+ get_tracepoint_by_number (char **arg,
+ number_or_range_parser *parser);
/* Return a vector of all tracepoints currently defined. The vector
is newly allocated; the caller should free when done with it. */
have been inlined. */
extern int pc_at_non_inline_function (struct address_space *aspace,
- CORE_ADDR pc);
+ CORE_ADDR pc,
+ const struct target_waitstatus *ws);
extern int user_breakpoint_p (struct breakpoint *);
+/* Return true if this breakpoint is pending, false if not. */
+extern int pending_breakpoint_p (struct breakpoint *);
+
/* Attempt to determine architecture of location identified by SAL. */
extern struct gdbarch *get_sal_arch (struct symtab_and_line sal);
+extern void breakpoint_free_objfile (struct objfile *objfile);
+
+extern const char *ep_parse_optional_if_clause (const 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) */