Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 57 insertions, 0 deletions

diff --git a/sim/common/sim-reason.c b/sim/common/sim-reason.c
new file mode 100644
index 0000000..b540df3
--- /dev/null
+++ b/sim/common/sim-reason.c
@@ -0,0 +1,57 @@
+/* Generic simulator stop_reason.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Cygnus Support.
+
+This file is part of GDB, the GNU debugger.
+
+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, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+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.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "sim-main.h"
+#include "sim-assert.h"
+
+/* Generic implementation of sim_stop_reason */
+
+void
+sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc)
+{
+  sim_engine *engine = NULL;
+  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
+  engine = STATE_ENGINE (sd);
+  *reason = engine->reason;
+  switch (*reason)
+    {
+    case sim_exited :
+      *sigrc = engine->sigrc;
+      break;
+    case sim_signalled :
+      /* ??? See the comment below case `sim_signalled' in
+	 gdb/remote-sim.c:gdbsim_wait.
+	 ??? Consider the case of the target requesting that it
+	 kill(2) itself with SIGNAL.  That SIGNAL, being target
+	 specific, will not correspond to either of the SIM_SIGNAL
+	 enum nor the HOST_SIGNAL.  A mapping from TARGET_SIGNAL to
+	 HOST_SIGNAL is needed.  */
+      *sigrc = sim_signal_to_host (sd, engine->sigrc);
+      break;
+    case sim_stopped :
+      /* The gdb/simulator interface calls for us to return the host
+	 version of the signal which gdb then converts into the
+	 target's version.  This is obviously a bit clumsy.  */
+      *sigrc = sim_signal_to_host (sd, engine->sigrc);
+      break;
+    default :
+      abort ();
+    }
+}