* remote.c (remote_get_threadinfo) : Support for remote
multithread debugging.
(remote_get_threadlist) : get a partial list of threads
(remote_threadlist_iterator) : Step through all the threads
(init_remote_threadtests) : Optional builtin unit test commands.
* thread.c (bind_target_thread_vector) : Implementa a more dynamic
way of accessing target specific thread info functions than
FIND_NEW_THREADS.
(target_thread_info) : Function to get extended thread information.
* gdbthread.h : Export internal data structures corresponding to
external detailed thread info response. This is more like a 'ps'
command than what might be expected of host based threads. This
is for embedded systems.
This commit is contained in:
John Metzler
parent
b91e1ec1e4
commit
9ee5984468
3 changed files with 169 additions and 6 deletions
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@ -1,3 +1,21 @@
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Thu Nov 12 17:19:43 1998 John Metzler <jmetzler@cygnus.com>
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* remote.c (remote_get_threadinfo) : Support for remote
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multithread debugging.
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(remote_get_threadlist) : get a partial list of threads
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(remote_threadlist_iterator) : Step through all the threads
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(init_remote_threadtests) : Optional builtin unit test commands.
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* thread.c (bind_target_thread_vector) : Implementa a more dynamic
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way of accessing target specific thread info functions than
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FIND_NEW_THREADS.
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(target_thread_info) : Function to get extended thread information.
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* gdbthread.h : Export internal data structures corresponding to
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external detailed thread info response. This is more like a 'ps'
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command than what might be expected of host based threads. This
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is for embedded systems.
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Mon Nov 9 12:00:36 1998 Dave Brolley <brolley@cygnus.com>
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* config/fr30/fr30.mt: New file.
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@ -50,4 +50,67 @@ extern void save_infrun_state PARAMS ((int, CORE_ADDR, CORE_ADDR, char *,
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/* Commands with a prefix of `thread'. */
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extern struct cmd_list_element *thread_cmd_list;
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/* Support for external (remote) systems with threads (processes) */
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/* For example real time operating systems */
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#define OPAQUETHREADBYTES 8
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/* a 64 bit opaque identifier */
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typedef unsigned char threadref[OPAQUETHREADBYTES] ;
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/* WARNING: This threadref data structure comes from the remote O.S., libstub
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protocol encoding, and remote.c. it is not particularly changable */
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/* Right now, the internal structure is int. We want it to be bigger.
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Plan to fix this.
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*/
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typedef int gdb_threadref ; /* internal GDB thread reference */
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/* gdb_ext_thread_info is an internal GDB data structure which is
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equivalint to the reply of the remote threadinfo packet */
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struct gdb_ext_thread_info
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{
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threadref threadid ; /* External form of thread reference */
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int active ; /* Has state interesting to GDB? , regs, stack */
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char display[256] ; /* Brief state display, name, blocked/syspended */
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char shortname[32] ; /* To be used to name threads */
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char more_display[256] ; /* Long info, statistics, queue depth, whatever */
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} ;
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/* The volume of remote transfers can be limited by submitting
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a mask containing bits specifying the desired information.
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Use a union of these values as the 'selection' parameter to
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get_thread_info. FIXME: Make these TAG names more thread specific.
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*/
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#define TAG_THREADID 1
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#define TAG_EXISTS 2
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#define TAG_DISPLAY 4
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#define TAG_THREADNAME 8
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#define TAG_MOREDISPLAY 16
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/* Always initialize an instance of this structure using run time assignments */
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/* Because we are likely to add entrtries to it. */
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/* Alternatly, WE COULD ADD THESE TO THE TARGET VECTOR */
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struct target_thread_vector
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{
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int (*find_new_threads)PARAMS((void)) ;
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int (*get_thread_info) PARAMS((
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gdb_threadref * ref,
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int selection,
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struct gdb_ext_thread_info * info
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)) ;
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/* to_thread_alive - Already in the target vector */
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/* to_switch_thread - Done via select frame */
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} ;
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extern void bind_target_thread_vector PARAMS((struct target_thread_vector * vec)) ;
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extern struct target_thread_vector * unbind_target_thread_vector(void) ;
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extern int target_get_thread_info PARAMS((
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gdb_threadref * ref,
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int selection,
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struct gdb_ext_thread_info * info)) ;
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#endif /* GDBTHREAD_H */
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94
gdb/thread.c
94
gdb/thread.c
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@ -55,22 +55,104 @@ struct thread_info
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int another_trap;
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};
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static struct thread_info *thread_list = NULL;
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static int highest_thread_num;
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static struct target_thread_vector *target_thread_functions;
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int
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target_find_new_threads ()
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{
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int retval = 0;
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if (target_thread_functions &&
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target_thread_functions->find_new_threads)
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retval = (*(target_thread_functions->find_new_threads)) ();
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return retval; /* no support */
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}
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int
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target_get_thread_info PARAMS ((
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gdb_threadref * ref,
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int selection, /* FIXME: Selection */
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struct gdb_ext_thread_info * info));
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int
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target_get_thread_info (ref, selection, info)
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gdb_threadref *ref;
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int selection;
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/* FIXME: Selection */
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struct gdb_ext_thread_info *info;
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{
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int retval = 0;
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if (target_thread_functions
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&& target_thread_functions->get_thread_info)
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retval = (*(target_thread_functions->get_thread_info)) (ref, selection, info);
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return retval;
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}
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/* It is possible that these bind and unbinf functions implement a
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stack the interface allows it, but its not implemented that way
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*/
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void
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bind_target_thread_vector (vec)
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struct target_thread_vector *vec;
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{
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target_thread_functions = vec;
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}
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/* Prototypes for exported functions. */
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struct target_thread_vector *
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unbind_target_thread_vector ()
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{
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struct target_thread_vector *retval;
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retval = target_thread_functions;
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target_thread_functions = 0;
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return retval;
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} /* unbind_target_thread-vector */
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void _initialize_thread PARAMS ((void));
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/* Prototypes for local functions. */
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/* If the host has threads, the host machine definition may
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set this macro. But, for remote thread debugging, it gets more
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complex and setting macros does not bind to the various target
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dependent methods well. So, we use the vector target_thread_functions
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*/
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#if !defined(FIND_NEW_THREADS)
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#define FIND_NEW_THREADS target_find_new_threads
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#endif
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static struct thread_info *thread_list = NULL;
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static int highest_thread_num;
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static void thread_command PARAMS ((char * tidstr, int from_tty));
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static void
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thread_command PARAMS ((char * tidstr, int from_tty));
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static void
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prune_threads PARAMS ((void));
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static void prune_threads PARAMS ((void));
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static void
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switch_to_thread PARAMS ((int pid));
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static void switch_to_thread PARAMS ((int pid));
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static struct thread_info *
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find_thread_id PARAMS ((int num));
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static struct thread_info *find_thread_id PARAMS ((int num));
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static void
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info_threads_command PARAMS ((char *, int));
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static void
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restore_current_thread PARAMS ((int));
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static void
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thread_apply_all_command PARAMS ((char *, int));
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static void
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thread_apply_command PARAMS ((char *, int));
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static void info_threads_command PARAMS ((char *, int));
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