minimalistic MI catch support

[Markus Schiltknecht <markus@bluegap.ch>]

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Hello gdb hackers,

working on an automated debugging layer on top of gdb I figured the
catchpoint functions in the MI interface is missing. The attached patch
against current CVS at least makes gdb report a catchpoint-break via MI.
This is already sufficient for my application. However, I would
appreciate a complete catchpoint implementation for the MI interface. I
haven't figured out how to implement the '-break-catch' command. If
somebody more knowledgable could do that I'd be thankfull.

Please CC me in responses, as I'm not subscribed.

Regards

Markus


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Index: breakpoint.c
===================================================================
RCS file: /cvs/src/src/gdb/breakpoint.c,v
retrieving revision 1.220
diff -u -r1.220 breakpoint.c
--- breakpoint.c	16 Jan 2006 12:55:18 -0000	1.220
+++ breakpoint.c	28 Jan 2006 12:52:59 -0000
@@ -2167,17 +2167,41 @@
 
     case bp_catch_fork:
       annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered (_("\nCatchpoint %d (forked process %d), "),
-		       bs->breakpoint_at->number, 
-		       bs->breakpoint_at->forked_inferior_pid);
+      if (ui_out_is_mi_like_p (uiout))
+      {
+	ui_out_text (uiout, "\nBreakpoint ");
+	ui_out_field_string (uiout, "reason", "fork");
+	ui_out_field_int (uiout, "bkptno", bs->breakpoint_at->number);
+	ui_out_field_int (uiout, "forked-process",
+			  bs->breakpoint_at->forked_inferior_pid);
+	ui_out_text (uiout, ", ");
+      }
+      else
+      {
+	printf_filtered (_("\nCatchpoint %d (forked process %d), "),
+			 bs->breakpoint_at->number, 
+			 bs->breakpoint_at->forked_inferior_pid);
+      }
       return PRINT_SRC_AND_LOC;
       break;
 
     case bp_catch_vfork:
       annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered (_("\nCatchpoint %d (vforked process %d), "),
-		       bs->breakpoint_at->number, 
-		       bs->breakpoint_at->forked_inferior_pid);
+      if (ui_out_is_mi_like_p (uiout))
+      {
+	ui_out_text (uiout, "\nBreakpoint ");
+	ui_out_field_string (uiout, "reason", "vfork");
+	ui_out_field_int (uiout, "bkptno", bs->breakpoint_at->number);
+	ui_out_field_int (uiout, "forked-process",
+			  bs->breakpoint_at->forked_inferior_pid);
+	ui_out_text (uiout, ", ");
+      }
+      else
+      {
+	printf_filtered (_("\nCatchpoint %d (vforked process %d), "),
+			 bs->breakpoint_at->number, 
+			 bs->breakpoint_at->forked_inferior_pid);
+      }
       return PRINT_SRC_AND_LOC;
       break;