2003-05-30 Andrew Cagney <cagney@redhat.com>
[deliverable/binutils-gdb.git] / gdb / thread.c
index 45130bbb0eeb8c19811be6ab998e23ceb360fcd7..315f33b1c4aaec6073de36c77f97fe44bf93fe12 100644 (file)
@@ -1,7 +1,7 @@
 /* Multi-process/thread control for GDB, the GNU debugger.
 
    Copyright 1986, 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 
    Contributed by Lynx Real-Time Systems, Inc.  Los Gatos, CA.
 
@@ -34,6 +34,7 @@
 #include "gdbcmd.h"
 #include "regcache.h"
 #include "gdb.h"
+#include "gdb_string.h"
 
 #include <ctype.h>
 #include <sys/types.h>
@@ -254,14 +255,17 @@ in_thread_list (ptid_t ptid)
 
 /* Print a list of thread ids currently known, and the total number of
    threads. To be used from within catch_errors. */
-static int 
-do_captured_list_thread_ids (struct ui_out *uiout,
-                            void *arg)
+static int
+do_captured_list_thread_ids (struct ui_out *uiout, void *arg)
 {
   struct thread_info *tp;
   int num = 0;
+  struct cleanup *cleanup_chain;
+
+  prune_threads ();
+  target_find_new_threads ();
 
-  ui_out_tuple_begin (uiout, "thread-ids");
+  cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "thread-ids");
 
   for (tp = thread_list; tp; tp = tp->next)
     {
@@ -269,7 +273,7 @@ do_captured_list_thread_ids (struct ui_out *uiout,
       ui_out_field_int (uiout, "thread-id", tp->num);
     }
 
-  ui_out_tuple_end (uiout);
+  do_cleanups (cleanup_chain);
   ui_out_field_int (uiout, "number-of-threads", num);
   return GDB_RC_OK;
 }
@@ -286,24 +290,21 @@ gdb_list_thread_ids (struct ui_out *uiout)
 /* Load infrun state for the thread PID.  */
 
 void
-load_infrun_state (ptid_t ptid, 
-                  CORE_ADDR *prev_pc, 
-                  CORE_ADDR *prev_func_start,
-                  char **prev_func_name, 
+load_infrun_state (ptid_t ptid,
+                  CORE_ADDR *prev_pc,
                   int *trap_expected,
                   struct breakpoint **step_resume_breakpoint,
                   struct breakpoint **through_sigtramp_breakpoint,
-                  CORE_ADDR *step_range_start, 
+                  CORE_ADDR *step_range_start,
                   CORE_ADDR *step_range_end,
-                  CORE_ADDR *step_frame_address, 
+                  struct frame_id *step_frame_id,
                   int *handling_longjmp,
-                  int *another_trap, 
+                  int *another_trap,
                   int *stepping_through_solib_after_catch,
                   bpstat *stepping_through_solib_catchpoints,
                   int *stepping_through_sigtramp,
-                  int *current_line, 
-                  struct symtab **current_symtab, 
-                  CORE_ADDR *step_sp)
+                  int *current_line,
+                  struct symtab **current_symtab, CORE_ADDR *step_sp)
 {
   struct thread_info *tp;
 
@@ -314,18 +315,18 @@ load_infrun_state (ptid_t ptid,
     return;
 
   *prev_pc = tp->prev_pc;
-  *prev_func_start = tp->prev_func_start;
-  *prev_func_name = tp->prev_func_name;
   *trap_expected = tp->trap_expected;
   *step_resume_breakpoint = tp->step_resume_breakpoint;
   *through_sigtramp_breakpoint = tp->through_sigtramp_breakpoint;
   *step_range_start = tp->step_range_start;
   *step_range_end = tp->step_range_end;
-  *step_frame_address = tp->step_frame_address;
+  *step_frame_id = tp->step_frame_id;
   *handling_longjmp = tp->handling_longjmp;
   *another_trap = tp->another_trap;
-  *stepping_through_solib_after_catch = tp->stepping_through_solib_after_catch;
-  *stepping_through_solib_catchpoints = tp->stepping_through_solib_catchpoints;
+  *stepping_through_solib_after_catch =
+    tp->stepping_through_solib_after_catch;
+  *stepping_through_solib_catchpoints =
+    tp->stepping_through_solib_catchpoints;
   *stepping_through_sigtramp = tp->stepping_through_sigtramp;
   *current_line = tp->current_line;
   *current_symtab = tp->current_symtab;
@@ -335,24 +336,21 @@ load_infrun_state (ptid_t ptid,
 /* Save infrun state for the thread PID.  */
 
 void
-save_infrun_state (ptid_t ptid, 
-                  CORE_ADDR prev_pc, 
-                  CORE_ADDR prev_func_start,
-                  char *prev_func_name, 
+save_infrun_state (ptid_t ptid,
+                  CORE_ADDR prev_pc,
                   int trap_expected,
                   struct breakpoint *step_resume_breakpoint,
                   struct breakpoint *through_sigtramp_breakpoint,
-                  CORE_ADDR step_range_start, 
+                  CORE_ADDR step_range_start,
                   CORE_ADDR step_range_end,
-                  CORE_ADDR step_frame_address, 
+                  const struct frame_id *step_frame_id,
                   int handling_longjmp,
-                  int another_trap, 
+                  int another_trap,
                   int stepping_through_solib_after_catch,
                   bpstat stepping_through_solib_catchpoints,
-                  int stepping_through_sigtramp, 
+                  int stepping_through_sigtramp,
                   int current_line,
-                  struct symtab *current_symtab,
-                  CORE_ADDR step_sp)
+                  struct symtab *current_symtab, CORE_ADDR step_sp)
 {
   struct thread_info *tp;
 
@@ -363,14 +361,12 @@ save_infrun_state (ptid_t ptid,
     return;
 
   tp->prev_pc = prev_pc;
-  tp->prev_func_start = prev_func_start;
-  tp->prev_func_name = prev_func_name;
   tp->trap_expected = trap_expected;
   tp->step_resume_breakpoint = step_resume_breakpoint;
   tp->through_sigtramp_breakpoint = through_sigtramp_breakpoint;
   tp->step_range_start = step_range_start;
   tp->step_range_end = step_range_end;
-  tp->step_frame_address = step_frame_address;
+  tp->step_frame_id = (*step_frame_id);
   tp->handling_longjmp = handling_longjmp;
   tp->another_trap = another_trap;
   tp->stepping_through_solib_after_catch = stepping_through_solib_after_catch;
@@ -421,12 +417,12 @@ info_threads_command (char *arg, int from_tty)
   struct thread_info *tp;
   ptid_t current_ptid;
   struct frame_info *cur_frame;
-  int saved_frame_level = frame_relative_level (selected_frame);
+  int saved_frame_level = frame_relative_level (deprecated_selected_frame);
   int counter;
   char *extra_info;
 
   /* Avoid coredumps which would happen if we tried to access a NULL
-     selected_frame.  */
+     deprecated_selected_frame.  */
   if (!target_has_stack)
     error ("No stack.");
 
@@ -452,8 +448,8 @@ info_threads_command (char *arg, int from_tty)
       puts_filtered ("  ");
 
       switch_to_thread (tp->ptid);
-      if (selected_frame)
-       print_only_stack_frame (selected_frame, -1, 0);
+      if (deprecated_selected_frame)
+       print_stack_frame (deprecated_selected_frame, -1, 0);
       else
        printf_filtered ("[No stack.]\n");
     }
@@ -467,12 +463,12 @@ info_threads_command (char *arg, int from_tty)
    * of the stack (leaf frame).
    */
   counter = saved_frame_level;
-  cur_frame = find_relative_frame (selected_frame, &counter);
+  cur_frame = find_relative_frame (deprecated_selected_frame, &counter);
   if (counter != 0)
     {
       /* Ooops, can't restore, tell user where we are. */
       warning ("Couldn't restore frame in current thread, at frame 0");
-      print_stack_frame (selected_frame, -1, 0);
+      print_stack_frame (deprecated_selected_frame, -1, 0);
     }
   else
     {
@@ -501,7 +497,7 @@ switch_to_thread (ptid_t ptid)
 static void
 restore_current_thread (ptid_t ptid)
 {
-  if (! ptid_equal (ptid, inferior_ptid))
+  if (!ptid_equal (ptid, inferior_ptid))
     {
       switch_to_thread (ptid);
       print_stack_frame (get_current_frame (), 0, -1);
@@ -566,14 +562,13 @@ thread_apply_all_command (char *cmd, int from_tty)
        switch_to_thread (tp->ptid);
 #ifdef HPUXHPPA
        printf_filtered ("\nThread %d (%s):\n",
-                        tp->num,
-                        target_tid_to_str (inferior_ptid));
+                        tp->num, target_tid_to_str (inferior_ptid));
 #else
        printf_filtered ("\nThread %d (%s):\n", tp->num,
                         target_pid_to_str (inferior_ptid));
 #endif
        execute_command (cmd, from_tty);
-       strcpy (cmd, saved_cmd); /* Restore exact command used previously */
+       strcpy (cmd, saved_cmd);        /* Restore exact command used previously */
       }
 
   do_cleanups (saved_cmd_cleanup_chain);
@@ -685,8 +680,7 @@ thread_command (char *tidstr, int from_tty)
 }
 
 static int
-do_captured_thread_select (struct ui_out *uiout,
-                          void *tidstr)
+do_captured_thread_select (struct ui_out *uiout, void *tidstr)
 {
   int num;
   struct thread_info *tp;
@@ -713,13 +707,13 @@ do_captured_thread_select (struct ui_out *uiout,
 #endif
   ui_out_text (uiout, ")]");
 
-  print_stack_frame (selected_frame, frame_relative_level (selected_frame), 1);
+  print_stack_frame (deprecated_selected_frame,
+                    frame_relative_level (deprecated_selected_frame), 1);
   return GDB_RC_OK;
 }
 
 enum gdb_rc
-gdb_thread_select (struct ui_out *uiout,
-                  char *tidstr)
+gdb_thread_select (struct ui_out *uiout, char *tidstr)
 {
   return catch_exceptions (uiout, do_captured_thread_select, tidstr,
                           NULL, RETURN_MASK_ALL);
@@ -738,16 +732,14 @@ _initialize_thread (void)
 
   add_prefix_cmd ("thread", class_run, thread_command,
                  "Use this command to switch between threads.\n\
-The new thread ID must be currently known.", &thread_cmd_list, "thread ", 1,
-                 &cmdlist);
+The new thread ID must be currently known.", &thread_cmd_list, "thread ", 1, &cmdlist);
 
   add_prefix_cmd ("apply", class_run, thread_apply_command,
                  "Apply a command to a list of threads.",
                  &thread_apply_list, "apply ", 1, &thread_cmd_list);
 
   add_cmd ("all", class_run, thread_apply_all_command,
-          "Apply a command to all threads.",
-          &thread_apply_list);
+          "Apply a command to all threads.", &thread_apply_list);
 
   if (!xdb_commands)
     add_com_alias ("t", "thread", class_run, 1);
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