Add a TRY_CATCH to get_prev_frame_always to better manage errors during unwind.

[deliverable/binutils-gdb.git] / gdb / target.c

diff --git a/gdb/target.c b/gdb/target.c
index 07e3c2b1af03535a124e0b7f00b532472b6e2b70..cb154ab409b7623a14201ec951d10981b78e8f11 100644 (file)
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -27,6 +27,7 @@
 #include "gdbcmd.h"
 #include "symtab.h"
 #include "inferior.h"
+#include "infrun.h"
 #include "bfd.h"
 #include "symfile.h"
 #include "objfiles.h"
@@ -2149,8 +2150,9 @@ target_resume (ptid_t ptid, int step, enum gdb_signal signal)
                        gdb_signal_to_name (signal));
 
   registers_changed_ptid (ptid);
+  /* We only set the internal executing state here.  The user/frontend
+     running state is set at a higher level.  */
   set_executing (ptid, 1);
-  set_running (ptid, 1);
   clear_inline_frame_state (ptid);
 }
 
@@ -4103,16 +4105,17 @@ maintenance_print_target_stack (char *cmd, int from_tty)
     }
 }
 
-/* Controls if async mode is permitted.  */
-int target_async_permitted = 0;
+/* Controls if targets can report that they can/are async.  This is
+   just for maintainers to use when debugging gdb.  */
+int target_async_permitted = 1;
 
 /* The set command writes to this variable.  If the inferior is
    executing, target_async_permitted is *not* updated.  */
-static int target_async_permitted_1 = 0;
+static int target_async_permitted_1 = 1;
 
 static void
-set_target_async_command (char *args, int from_tty,
-                         struct cmd_list_element *c)
+maint_set_target_async_command (char *args, int from_tty,
+                               struct cmd_list_element *c)
 {
   if (have_live_inferiors ())
     {
@@ -4124,9 +4127,9 @@ set_target_async_command (char *args, int from_tty,
 }
 
 static void
-show_target_async_command (struct ui_file *file, int from_tty,
-                          struct cmd_list_element *c,
-                          const char *value)
+maint_show_target_async_command (struct ui_file *file, int from_tty,
+                                struct cmd_list_element *c,
+                                const char *value)
 {
   fprintf_filtered (file,
                    _("Controlling the inferior in "
@@ -4231,10 +4234,10 @@ result in significant performance improvement for remote targets."),
 Set whether gdb controls the inferior in asynchronous mode."), _("\
 Show whether gdb controls the inferior in asynchronous mode."), _("\
 Tells gdb whether to control the inferior in asynchronous mode."),
-                          set_target_async_command,
-                          show_target_async_command,
-                          &setlist,
-                          &showlist);
+                          maint_set_target_async_command,
+                          maint_show_target_async_command,
+                          &maintenance_set_cmdlist,
+                          &maintenance_show_cmdlist);
 
   add_setshow_boolean_cmd ("may-write-registers", class_support,
                           &may_write_registers_1, _("\