Updated copyright notices for most files.

[deliverable/binutils-gdb.git] / gdb / gdbserver / mem-break.c

diff --git a/gdb/gdbserver/mem-break.c b/gdb/gdbserver/mem-break.c
index 20281af7cd35cedc5f2094a842ad80a615c2201c..8f5872f284bf7c684b93190e7c898c2bc7dac3f3 100644 (file)
--- a/gdb/gdbserver/mem-break.c
+++ b/gdb/gdbserver/mem-break.c
@@ -1,5 +1,5 @@
 /* Memory breakpoint operations for the remote server for GDB.
-   Copyright (C) 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2005, 2007, 2008 Free Software Foundation, Inc.
 
    Contributed by MontaVista Software.
 
@@ -7,7 +7,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "server.h"
 
@@ -41,14 +39,16 @@ struct breakpoint
      in the *next chain somewhere).  */
   struct breakpoint *breakpoint_to_reinsert;
 
-  /* Function to call when we hit this breakpoint.  */
-  void (*handler) (CORE_ADDR);
+  /* Function to call when we hit this breakpoint.  If it returns 1,
+     the breakpoint will be deleted; 0, it will be reinserted for
+     another round.  */
+  int (*handler) (CORE_ADDR);
 };
 
 struct breakpoint *breakpoints;
 
 void
-set_breakpoint_at (CORE_ADDR where, void (*handler) (CORE_ADDR))
+set_breakpoint_at (CORE_ADDR where, int (*handler) (CORE_ADDR))
 {
   struct breakpoint *bp;
 
@@ -121,7 +121,7 @@ delete_breakpoint_at (CORE_ADDR addr)
     delete_breakpoint (bp);
 }
 
-static void
+static int
 reinsert_breakpoint_handler (CORE_ADDR stop_pc)
 {
   struct breakpoint *stop_bp, *orig_bp;
@@ -137,7 +137,7 @@ reinsert_breakpoint_handler (CORE_ADDR stop_pc)
   (*the_target->write_memory) (orig_bp->pc, breakpoint_data,
                               breakpoint_len);
   orig_bp->reinserting = 0;
-  delete_breakpoint (stop_bp);
+  return 1;
 }
 
 void
@@ -145,12 +145,12 @@ reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at)
 {
   struct breakpoint *bp, *orig_bp;
 
-  set_breakpoint_at (stop_at, reinsert_breakpoint_handler);
-
   orig_bp = find_breakpoint_at (stop_pc);
   if (orig_bp == NULL)
     error ("Could not find original breakpoint in list.");
 
+  set_breakpoint_at (stop_at, reinsert_breakpoint_handler);
+
   bp = find_breakpoint_at (stop_at);
   if (bp == NULL)
     error ("Could not find breakpoint in list (reinserting by breakpoint).");
@@ -205,8 +205,13 @@ check_breakpoints (CORE_ADDR stop_pc)
       return 0;
     }
 
-  (*bp->handler) (bp->pc);
-  return 1;
+  if ((*bp->handler) (bp->pc))
+    {
+      delete_breakpoint (bp);
+      return 2;
+    }
+  else
+    return 1;
 }
 
 void