From 3ee1c036ac61c61fc906fc93eb63fe625cacaa55 Mon Sep 17 00:00:00 2001 From: Vladimir Prus Date: Mon, 17 Nov 2008 12:13:49 +0000 Subject: [PATCH] Implement -list-thread-groups. * thread.c (print_thread_info): New parameter pid, to print threads of specific process. * gdbthread.h (print_thread_info): New parameter pid. * mi/mi-cmds.c (mi_cmds): Register -list-thread-groups. * mi/mi-cmds.h (mi_cmd_list_thread_groups): New. * mi/mi-main.c (mi_cmd_thread_info): Adjust. (print_one_process, mi_cmd_list_thread_groups): New. --- gdb/ChangeLog | 12 ++++++++++++ gdb/gdbthread.h | 3 ++- gdb/mi/mi-cmds.c | 1 + gdb/mi/mi-cmds.h | 1 + gdb/mi/mi-main.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++- gdb/thread.c | 20 ++++++++++++++++---- 6 files changed, 82 insertions(+), 6 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 16855a9..99bfda1 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,15 @@ +2008-11-17 Vladimir Prus + + Implement -list-thread-groups. + + * thread.c (print_thread_info): New parameter pid, to print + threads of specific process. + * gdbthread.h (print_thread_info): New parameter pid. + * mi/mi-cmds.c (mi_cmds): Register -list-thread-groups. + * mi/mi-cmds.h (mi_cmd_list_thread_groups): New. + * mi/mi-main.c (mi_cmd_thread_info): Adjust. + (print_one_process, mi_cmd_list_thread_groups): New. + 2008-11-16 Joel Brobecker Remove some unused macros related to the old load/unload catchpoints. diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h index 55c848d..cac20f7 100644 --- a/gdb/gdbthread.h +++ b/gdb/gdbthread.h @@ -295,7 +295,8 @@ extern struct cmd_list_element *thread_cmd_list; `set print thread-events'. */ extern int print_thread_events; -extern void print_thread_info (struct ui_out *uiout, int thread); +extern void print_thread_info (struct ui_out *uiout, int thread, + int pid); extern struct cleanup *make_cleanup_restore_current_thread (void); diff --git a/gdb/mi/mi-cmds.c b/gdb/mi/mi-cmds.c index ca0f428..d38de35 100644 --- a/gdb/mi/mi-cmds.c +++ b/gdb/mi/mi-cmds.c @@ -90,6 +90,7 @@ struct mi_cmd mi_cmds[] = { "interpreter-exec", { NULL, 0 }, mi_cmd_interpreter_exec}, { "list-features", { NULL, 0 }, mi_cmd_list_features}, { "list-target-features", { NULL, 0 }, mi_cmd_list_target_features}, + { "list-thread-groups", { NULL, 0 }, mi_cmd_list_thread_groups }, { "overlay-auto", { NULL, 0 }, NULL }, { "overlay-list-mapping-state", { NULL, 0 }, NULL }, { "overlay-list-overlays", { NULL, 0 }, NULL }, diff --git a/gdb/mi/mi-cmds.h b/gdb/mi/mi-cmds.h index 16887ae..a9bb1e0 100644 --- a/gdb/mi/mi-cmds.h +++ b/gdb/mi/mi-cmds.h @@ -67,6 +67,7 @@ extern mi_cmd_argv_ftype mi_cmd_inferior_tty_show; extern mi_cmd_argv_ftype mi_cmd_interpreter_exec; extern mi_cmd_argv_ftype mi_cmd_list_features; extern mi_cmd_argv_ftype mi_cmd_list_target_features; +extern mi_cmd_argv_ftype mi_cmd_list_thread_groups; extern mi_cmd_argv_ftype mi_cmd_stack_info_depth; extern mi_cmd_argv_ftype mi_cmd_stack_info_frame; extern mi_cmd_argv_ftype mi_cmd_stack_list_args; diff --git a/gdb/mi/mi-main.c b/gdb/mi/mi-main.c index 4554008..f739bbb 100644 --- a/gdb/mi/mi-main.c +++ b/gdb/mi/mi-main.c @@ -46,6 +46,7 @@ #include "mi-main.h" #include "language.h" #include "valprint.h" +#include "inferior.h" #include #include @@ -245,7 +246,55 @@ mi_cmd_thread_info (char *command, char **argv, int argc) if (argc == 1) thread = atoi (argv[0]); - print_thread_info (uiout, thread); + print_thread_info (uiout, thread, -1); +} + +static int +print_one_inferior (struct inferior *inferior, void *arg) +{ + struct cleanup *back_to = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); + + ui_out_field_fmt (uiout, "id", "%d", inferior->pid); + ui_out_field_string (uiout, "type", "process"); + ui_out_field_int (uiout, "pid", inferior->pid); + + do_cleanups (back_to); + return 0; +} + +void +mi_cmd_list_thread_groups (char *command, char **argv, int argc) +{ + struct cleanup *back_to; + int available = 0; + char *id = NULL; + + if (argc > 0 && strcmp (argv[0], "--available") == 0) + { + ++argv; + --argc; + available = 1; + } + + if (argc > 0) + id = argv[0]; + + back_to = make_cleanup (&null_cleanup, NULL); + + if (id) + { + int pid = atoi (id); + if (!in_inferior_list (pid)) + error ("Invalid thread group id '%s'", id); + print_thread_info (uiout, -1, pid); + } + else + { + make_cleanup_ui_out_list_begin_end (uiout, "groups"); + iterate_over_inferiors (print_one_inferior, NULL); + } + + do_cleanups (back_to); } void diff --git a/gdb/thread.c b/gdb/thread.c index b1e318d..1f50e6a 100644 --- a/gdb/thread.c +++ b/gdb/thread.c @@ -636,9 +636,14 @@ set_stop_requested (ptid_t ptid, int stop) use from MI. If REQUESTED_THREAD is not -1, it's the GDB id of the thread that should be printed. Otherwise, all threads are - printed. */ + printed. + If PID is not -1, only print threads from the process PID. + Otherwise, threads from all attached PIDs are printed. + If both REQUESTED_THREAD and PID are not -1, then the thread + is printed if it belongs to the specified process. Otherwise, + an error is raised. */ void -print_thread_info (struct ui_out *uiout, int requested_thread) +print_thread_info (struct ui_out *uiout, int requested_thread, int pid) { struct thread_info *tp; ptid_t current_ptid; @@ -661,6 +666,13 @@ print_thread_info (struct ui_out *uiout, int requested_thread) if (requested_thread != -1 && tp->num != requested_thread) continue; + if (pid != -1 && PIDGET (tp->ptid) != pid) + { + if (requested_thread != -1) + error (_("Requested thread not found in requested process")); + continue; + } + if (ptid_equal (tp->ptid, current_ptid)) current_thread = tp->num; @@ -715,7 +727,7 @@ print_thread_info (struct ui_out *uiout, int requested_thread) the "info threads" command. */ do_cleanups (old_chain); - if (requested_thread == -1) + if (pid == -1 && requested_thread == -1 ) { gdb_assert (current_thread != -1 || !thread_list); @@ -740,7 +752,7 @@ The current thread has terminated. See `help thread'.\n", static void info_threads_command (char *arg, int from_tty) { - print_thread_info (uiout, -1); + print_thread_info (uiout, -1, -1); } /* Switch from one thread to another. */ -- 2.7.4