aboutsummaryrefslogtreecommitdiff
path: root/sim/common/sim-reason.c
diff options
context:
space:
mode:
Diffstat (limited to 'sim/common/sim-reason.c')
-rw-r--r--sim/common/sim-reason.c57
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 ();
+ }
+}