+2009-04-01 Pedro Alves <pedro@codesourcery.com>
+
+ Implement the multiprocess extensions, and add linux multiprocess
+ support.
+
+ * server.h (ULONGEST): Declare.
+ (struct ptid, ptid_t): New.
+ (minus_one_ptid, null_ptid): Declare.
+ (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp)
+ (ptid_get_tid, ptid_equal, ptid_is_pid): Declare.
+ (struct inferior_list_entry): Change `id' type from unsigned from
+ to ptid_t.
+ (struct sym_cache, struct breakpoint, struct
+ process_info_private): Forward declare.
+ (struct process_info): Declare.
+ (current_process): Declare.
+ (all_processes): Declare.
+ (initialize_inferiors): Declare.
+ (add_thread): Adjust to use ptid_t.
+ (thread_id_to_gdb_id, thread_to_gdb_id, gdb_id_to_thread_id): Ditto.
+ (add_process, remove_process, find_thread_pid): Declare.
+ (find_inferior_id): Adjust to use ptid_t.
+ (cont_thread, general_thread, step_thread): Change type to ptid_t.
+ (multi_process): Declare.
+ (push_event): Adjust to use ptid_t.
+ (read_ptid, write_ptid): Declare.
+ (prepare_resume_reply): Adjust to use ptid_t.
+ (clear_symbol_cache): Declare.
+ * inferiors.c (all_processes): New.
+ (null_ptid, minus_one_ptid): New.
+ (ptid_build, pid_to_ptid, ptid_get_pid, ptid_get_lwp)
+ (ptid_get_tid, ptid_equal, ptid_is_pid): New.
+ (add_thread): Change unsigned long to ptid. Remove gdb_id
+ parameter. Adjust.
+ (thread_id_to_gdb_id, thread_to_gdb_id): Change unsigned long to ptid.
+ (gdb_id_to_thread): Rename to ...
+ (find_thread_pid): ... this. Change unsigned long to ptid.
+ (gdb_id_to_thread_id, find_inferior_id): Change unsigned long to ptid.
+ (loaded_dll, pull_pid_from_list): Adjust.
+ (add_process, remove_process, find_process_pid)
+ (get_thread_process, current_process, initialize_inferiors): New.
+ * target.h (struct thread_resume) <thread>: Change type to ptid_t.
+ (struct target_waitstatus) <related_pid>: Ditto.
+ (struct target_ops) <kill, detach>: Add `pid' argument. Change
+ return type to int.
+ (struct target_ops) <join>: Add `pid' argument.
+ (struct target_ops) <thread_alive>: Change pid's type to ptid_t.
+ (struct target_ops) <wait>: Add `ptid' field. Change return type
+ to ptid.
+ (kill_inferior, detach_inferior, join_inferior): Add `pid' argument.
+ (mywait): Add `ptid' argument. Change return type to ptid_t.
+ (target_pid_to_str): Declare.
+ * target.c (set_desired_inferior): Adjust to use ptids.
+ (mywait): Add new `ptid' argument. Adjust.
+ (target_pid_to_str): New.
+ * mem-break.h (free_all_breakpoints): Declare.
+ * mem-break.c (breakpoints): Delelete.
+ (set_breakpoint_at, delete_breakpoint, find_breakpoint_at)
+ (check_mem_read, check_mem_write, delete_all_breakpoints): Adjust
+ to use per-process breakpoint list.
+ (free_all_breakpoints): New.
+ * remote-utils.c (struct sym_cache) <name>: Drop `const'.
+ (symbol_cache, all_symbols_looked_up): Delete.
+ (hexchars): New.
+ (ishex, unpack_varlen_hex, write_ptid, hex_or_minus_one,
+ read_ptid): New.
+ (prepare_resume_reply): Change ptid argument's type from unsigned
+ long to ptid_t. Adjust. Implement W;process and X;process.
+ (free_sym_cache, clear_symbol_cache): New.
+ (look_up_one_symbol): Adjust to per-process symbol cache. *
+ * server.c (cont_thread, general_thread, step_thread): Change type
+ to ptid_t.
+ (attached): Delete.
+ (multi_process): New.
+ (last_ptid): Change type to ptid_t.
+ (struct vstop_notif) <ptid>: Change type to ptid_t.
+ (queue_stop_reply, push_event): Change `ptid' argument's type to
+ ptid_t.
+ (discard_queued_stop_replies): Add `pid' argument.
+ (start_inferior): Adjust to use ptids. Adjust to mywait interface
+ changes. Don't reference the `attached' global.
+ (attach_inferior): Adjust to mywait interface changes.
+ (handle_query): Adjust to use ptids. Parse GDB's qSupported
+ features. Handle and report "multiprocess+". Handle
+ "qAttached:PID".
+ (handle_v_cont): Adjust to use ptids. Adjust to mywait interface
+ changes.
+ (handle_v_kill): New.
+ (handle_v_stopped): Adjust to use target_pid_to_str.
+ (handle_v_requests): Allow multiple attaches and runs when
+ multiprocess extensions are in effect. Handle "vKill".
+ (myresume): Adjust to use ptids.
+ (queue_stop_reply_callback): Add `arg' parameter. Handle it.
+ (handle_status): Adjust to discard_queued_stop_replies interface
+ change.
+ (first_thread_of, kill_inferior_callback)
+ (detach_or_kill_inferior_callback, join_inferiors_callback): New.
+ (main): Call initialize_inferiors. Adjust to use ptids, killing
+ and detaching from all inferiors. Handle multiprocess packet
+ variants.
+ * linux-low.h: Include gdb_proc_service.h.
+ (struct process_info_private): New.
+ (struct linux_target_ops) <pid_of>: Use ptid_get_pid.
+ <lwpid_of>: Use ptid_get_lwp.
+ (get_lwp_thread): Adjust.
+ (struct lwp_info): Add `dead' member.
+ (find_lwp_pid): Declare.
+ * linux-low.c (thread_db_active): Delete.
+ (new_inferior): Adjust comment.
+ (inferior_pid): Delete.
+ (linux_add_process): New.
+ (handle_extended_wait): Adjust.
+ (add_lwp): Change unsigned long to ptid.
+ (linux_create_inferior): Add process to processes table. Adjust
+ to use ptids. Don't set new_inferior here.
+ (linux_attach_lwp): Rename to ...
+ (linux_attach_lwp_1): ... this. Add `initial' argument. Handle
+ it. Adjust to use ptids.
+ (linux_attach_lwp): New.
+ (linux_attach): Add process to processes table. Don't set
+ new_inferior here.
+ (struct counter): New.
+ (second_thread_of_pid_p, last_thread_of_process_p): New.
+ (linux_kill_one_lwp): Add `args' parameter. Handle it. Adjust to
+ multiple processes.
+ (linux_kill): Add `pid' argument. Handle it. Adjust to multiple
+ processes. Remove process from process table.
+ (linux_detach_one_lwp): Add `args' parameter. Handle it. Adjust
+ to multiple processes.
+ (any_thread_of): New.
+ (linux_detach): Add `pid' argument, and handle it. Remove process
+ from processes table.
+ (linux_join): Add `pid' argument. Handle it.
+ (linux_thread_alive): Change unsighed long argument to ptid_t.
+ Consider dead lwps as not being alive.
+ (status_pending_p): Rename `dummy' argument to `arg'. Filter out
+ threads we're not interested in.
+ (same_lwp, find_lwp_pid): New.
+ (linux_wait_for_lwp): Change `pid' argument's type from int to
+ ptid_t. Adjust.
+ (linux_wait_for_event): Rename to ...
+ (linux_wait_for_event_1): ... this. Change `pid' argument's type
+ from int to ptid_t. Adjust.
+ (linux_wait_for_event): New.
+ (linux_wait_1): Add `ptid' argument. Change return type to
+ ptid_t. Adjust. Use last_thread_of_process_p. Remove processes
+ that exit from the process table.
+ (linux_wait): Add `ptid' argument. Change return type to ptid_t.
+ Adjust.
+ (mark_lwp_dead): New.
+ (wait_for_sigstop): Adjust to use ptids. If a process exits while
+ stopping all threads, mark its main lwp as dead.
+ (linux_set_resume_request, linux_resume_one_thread): Adjust to use
+ ptids.
+ (fetch_register, usr_store_inferior_registers)
+ (regsets_fetch_inferior_registers)
+ (regsets_store_inferior_registers, linux_read_memory)
+ (linux_write_memory): Inline `inferior_pid'.
+ (linux_look_up_symbols): Adjust to use per-process
+ `thread_db_active'.
+ (linux_request_interrupt): Adjust to use ptids.
+ (linux_read_auxv): Inline `inferior_pid'.
+ (initialize_low): Don't reference thread_db_active.
+ * gdb_proc_service.h (struct ps_prochandle) <pid>: Remove.
+ * proc-service.c (ps_lgetregs): Use find_lwp_pid.
+ (ps_getpid): Return the pid of the current inferior.
+ * thread-db.c (proc_handle, thread_agent): Delete.
+ (thread_db_create_event, thread_db_enable_reporting): Adjust to
+ per-process data.
+ (find_one_thread): Change argument type to ptid_t. Adjust to
+ per-process data.
+ (maybe_attach_thread): Adjust to per-process data and ptids.
+ (thread_db_find_new_threads): Ditto.
+ (thread_db_init): Ditto.
+ * spu-low.c (spu_create_inferior, spu_attach): Add process to
+ processes table. Adjust to use ptids.
+ (spu_kill, spu_detach): Adjust interface. Remove process from
+ processes table.
+ (spu_join, spu_thread_alive): Adjust interface.
+ (spu_wait): Adjust interface. Remove process from processes
+ table. Adjust to use ptids.
+ * win32-low.c (current_inferior_tid): Delete.
+ (current_inferior_ptid): New.
+ (debug_event_ptid): New.
+ (thread_rec): Take a ptid. Adjust.
+ (child_add_thread): Add `pid' argument. Adjust to use ptids.
+ (child_delete_thread): Ditto.
+ (do_initial_child_stuff): Add `attached' argument. Add process to
+ processes table.
+ (child_fetch_inferior_registers, child_store_inferior_registers):
+ Adjust.
+ (win32_create_inferior): Pass 0 to do_initial_child_stuff.
+ (win32_attach): Pass 1 to do_initial_child_stuff.
+ (win32_kill): Adjust interface. Remove process from processes
+ table.
+ (win32_detach): Ditto.
+ (win32_join): Adjust interface.
+ (win32_thread_alive): Take a ptid.
+ (win32_resume): Adjust to use ptids.
+ (get_child_debug_event): Ditto.
+ (win32_wait): Adjust interface. Remove exiting process from
+ processes table.
+
2009-04-01 Pedro Alves <pedro@codesourcery.com>
Non-stop mode support.
projects / deliverable / binutils-gdb.git / blobdiff