/* Interface between GDB and target environments, including files and processes
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
inferior, rather than being stuck in the remote_async_wait()
function. This way the event loop is responsive to other events,
like for instance the user typing. */
- TARGET_WAITKIND_IGNORE
+ TARGET_WAITKIND_IGNORE,
+
+ /* The target has run out of history information,
+ and cannot run backward any further. */
+ TARGET_WAITKIND_NO_HISTORY
};
struct target_waitstatus
};
/* Return the string for a signal. */
-extern char *target_signal_to_string (enum target_signal);
+extern const char *target_signal_to_string (enum target_signal);
/* Return the name (SIGHUP, etc.) for a signal. */
-extern char *target_signal_to_name (enum target_signal);
+extern const char *target_signal_to_name (enum target_signal);
/* Given a name (SIGHUP, etc.), return its signal. */
-enum target_signal target_signal_from_name (char *);
+enum target_signal target_signal_from_name (const char *);
\f
/* Target objects which can be transfered using target_read,
target_write, et cetera. */
See "target-descriptions.c". ANNEX should never be empty. */
TARGET_OBJECT_AVAILABLE_FEATURES,
/* Currently loaded libraries, in XML format. */
- TARGET_OBJECT_LIBRARIES
- /* Possible future objects: TARGET_OBJECT_FILE, TARGET_OBJECT_PROC, ... */
+ TARGET_OBJECT_LIBRARIES,
+ /* Get OS specific data. The ANNEX specifies the type (running
+ processes, etc.). */
+ TARGET_OBJECT_OSDATA
+ /* Possible future objects: TARGET_OBJECT_FILE, ... */
};
/* Request that OPS transfer up to LEN 8-bit bytes of the target's
extern ULONGEST get_target_memory_unsigned (struct target_ops *ops,
CORE_ADDR addr, int len);
\f
-
-/* If certain kinds of activity happen, target_wait should perform
- callbacks. */
-/* Right now we just call (*TARGET_ACTIVITY_FUNCTION) if I/O is possible
- on TARGET_ACTIVITY_FD. */
-extern int target_activity_fd;
-/* Returns zero to leave the inferior alone, one to interrupt it. */
-extern int (*target_activity_function) (void);
-\f
struct thread_info; /* fwd decl for parameter list below: */
struct target_ops
to xfree everything (including the "struct target_ops"). */
void (*to_xclose) (struct target_ops *targ, int quitting);
void (*to_close) (int);
- void (*to_attach) (char *, int);
+ void (*to_attach) (struct target_ops *ops, char *, int);
void (*to_post_attach) (int);
- void (*to_detach) (char *, int);
+ void (*to_detach) (struct target_ops *ops, char *, int);
void (*to_disconnect) (struct target_ops *, char *, int);
void (*to_resume) (ptid_t, int, enum target_signal);
ptid_t (*to_wait) (ptid_t, struct target_waitstatus *);
void (*to_kill) (void);
void (*to_load) (char *, int);
int (*to_lookup_symbol) (char *, CORE_ADDR *);
- void (*to_create_inferior) (char *, char *, char **, int);
+ void (*to_create_inferior) (struct target_ops *,
+ char *, char *, char **, int);
void (*to_post_startup_inferior) (ptid_t);
void (*to_acknowledge_created_inferior) (int);
void (*to_insert_fork_catchpoint) (int);
void (*to_insert_exec_catchpoint) (int);
int (*to_remove_exec_catchpoint) (int);
int (*to_has_exited) (int, int, int *);
- void (*to_mourn_inferior) (void);
+ void (*to_mourn_inferior) (struct target_ops *);
int (*to_can_run) (void);
void (*to_notice_signals) (ptid_t ptid);
int (*to_thread_alive) (ptid_t ptid);
void (*to_find_new_threads) (void);
char *(*to_pid_to_str) (ptid_t);
char *(*to_extra_thread_info) (struct thread_info *);
- void (*to_stop) (void);
+ void (*to_stop) (ptid_t);
void (*to_rcmd) (char *command, struct ui_file *output);
char *(*to_pid_to_exec_file) (int pid);
void (*to_log_command) (const char *);
int (*to_is_async_p) (void);
void (*to_async) (void (*) (enum inferior_event_type, void *), void *);
int (*to_async_mask) (int);
+ int (*to_supports_non_stop) (void);
int (*to_find_memory_regions) (int (*) (CORE_ADDR,
unsigned long,
int, int, int,
was available. */
const struct target_desc *(*to_read_description) (struct target_ops *ops);
+ /* Build the PTID of the thread on which a given task is running,
+ based on LWP and THREAD. These values are extracted from the
+ task Private_Data section of the Ada Task Control Block, and
+ their interpretation depends on the target. */
+ ptid_t (*to_get_ada_task_ptid) (long lwp, long thread);
+
/* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
Return 0 if *READPTR is already at the end of the buffer.
Return -1 if there is insufficient buffer for a whole entry.
const gdb_byte *pattern, ULONGEST pattern_len,
CORE_ADDR *found_addrp);
+ /* Can target execute in reverse? */
+ int (*to_can_execute_reverse) ();
+
+ /* Does this target support debugging multiple processes
+ simultaneously? */
+ int (*to_supports_multi_process) (void);
+
int to_magic;
/* Need sub-structure for target machine related rather than comm related?
*/
should be ready to deliver the status of the process immediately
(without waiting) to an upcoming target_wait call. */
-#define target_attach(args, from_tty) \
- (*current_target.to_attach) (args, from_tty)
+void target_attach (char *, int);
/* Some targets don't generate traps when attaching to the inferior,
or their target_attach implementation takes care of the waiting.
#define target_prepare_to_store(regcache) \
(*current_target.to_prepare_to_store) (regcache)
+/* Returns true if this target can debug multiple processes
+ simultaneously. */
+
+#define target_supports_multi_process() \
+ (*current_target.to_supports_multi_process) ()
+
extern DCACHE *target_dcache;
extern int target_read_string (CORE_ADDR, char **, int, int *);
ENV is the environment vector to pass. Errors reported with error().
On VxWorks and various standalone systems, we ignore exec_file. */
-#define target_create_inferior(exec_file, args, env, FROM_TTY) \
- (*current_target.to_create_inferior) (exec_file, args, env, (FROM_TTY))
-
+void target_create_inferior (char *exec_file, char *args,
+ char **env, int from_tty);
/* Some targets (such as ttrace-based HPUX) don't allow us to request
notification of inferior events such as fork and vork immediately
/* The inferior process has died. Do what is right. */
-#define target_mourn_inferior() \
- (*current_target.to_mourn_inferior) ()
+void target_mourn_inferior (void);
/* Does target have enough data to do a run or attach command? */
Unix, this should act like SIGSTOP). This function is normally
used by GUIs to implement a stop button. */
-#define target_stop current_target.to_stop
+#define target_stop(ptid) (*current_target.to_stop) (ptid)
/* Send the specified COMMAND to the target's monitor
(shell,interpreter) for execution. The result of the query is
#define target_can_lock_scheduler \
(current_target.to_has_thread_control & tc_schedlock)
+/* Should the target enable async mode if it is supported? Temporary
+ cludge until async mode is a strict superset of sync mode. */
+extern int target_async_permitted;
+
/* Can the target support asynchronous execution? */
#define target_can_async_p() (current_target.to_can_async_p ())
/* Is the target in asynchronous execution mode? */
#define target_is_async_p() (current_target.to_is_async_p ())
+int target_supports_non_stop (void);
+
/* Put the target in async mode with the specified callback function. */
#define target_async(CALLBACK,CONTEXT) \
(current_target.to_async ((CALLBACK), (CONTEXT)))
#define target_watchpoint_addr_within_range(target, addr, start, length) \
(*target.to_watchpoint_addr_within_range) (target, addr, start, length)
+/* Target can execute in reverse? */
+#define target_can_execute_reverse \
+ (current_target.to_can_execute_reverse ? \
+ current_target.to_can_execute_reverse () : 0)
+
extern const struct target_desc *target_read_description (struct target_ops *);
+#define target_get_ada_task_ptid(lwp, tid) \
+ (*current_target.to_get_ada_task_ptid) (lwp,tid)
+
/* Utility implementation of searching memory. */
extern int simple_search_memory (struct target_ops* ops,
CORE_ADDR start_addr,
extern void pop_target (void);
+/* Does whatever cleanup is required to get rid of all pushed targets.
+ QUITTING is propagated to target_close; it indicates that GDB is
+ exiting and should not get hung on an error (otherwise it is
+ important to perform clean termination, even if it takes a
+ while). */
+extern void pop_all_targets (int quitting);
+
+/* Like pop_all_targets, but pops only targets whose stratum is
+ strictly above ABOVE_STRATUM. */
+extern void pop_all_targets_above (enum strata above_stratum, int quitting);
+
extern CORE_ADDR target_translate_tls_address (struct objfile *objfile,
CORE_ADDR offset);
extern void target_require_runnable (void);
-extern void find_default_attach (char *, int);
+extern void find_default_attach (struct target_ops *, char *, int);
-extern void find_default_create_inferior (char *, char *, char **, int);
+extern void find_default_create_inferior (struct target_ops *,
+ char *, char *, char **, int);
extern struct target_ops *find_run_target (void);
extern void remove_target_sections (bfd *abfd);
+/* Read OS data object of type TYPE from the target, and return it in
+ XML format. The result is NUL-terminated and returned as a string,
+ allocated using xmalloc. If an error occurs or the transfer is
+ unsupported, NULL is returned. Empty objects are returned as
+ allocated but empty strings. */
+
+extern char *target_get_osdata (const char *type);
+
\f
/* Stuff that should be shared among the various remote targets. */
/* Convert from a number used in a GDB command to an enum target_signal. */
extern enum target_signal target_signal_from_command (int);
-/* Any target can call this to switch to remote protocol (in remote.c). */
-extern void push_remote_target (char *name, int from_tty);
-
/* Set the show memory breakpoints mode to show, and installs a cleanup
to restore it back to the current value. */
extern struct cleanup *make_show_memory_breakpoints_cleanup (int show);
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