Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 96 insertions, 0 deletions

diff --git a/sim/common/sim-signal.c b/sim/common/sim-signal.c
new file mode 100644
index 0000000..77709b1
--- /dev/null
+++ b/sim/common/sim-signal.c
@@ -0,0 +1,96 @@
+/* Simulator signal support
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Contributed by Cygnus Support
+
+This file is part of the GNU Simulators.
+
+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 <signal.h>
+#include "sim-main.h"
+
+/* Convert SIM_SIGFOO to SIGFOO.
+   What to do when the host doesn't have SIGFOO is handled on a case by case
+   basis.  Generally, in the case of passing a value back to gdb, we want gdb
+   to not think the process has died (so it can be debugged at the point of
+   failure).  */
+
+#ifdef _MSC_VER
+#ifndef SIGTRAP
+#define SIGTRAP 5
+#endif
+#ifndef SIGBUS
+#define SIGBUS 10
+#endif
+#ifndef SIGQUIT
+#define SIGQUIT 3
+#endif
+#endif
+
+int
+sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig)
+{
+  switch (sig)
+    {
+    case SIM_SIGINT :
+      return SIGINT;
+
+    case SIM_SIGABRT :
+      return SIGABRT;
+
+    case SIM_SIGILL :
+#ifdef SIGILL
+      return SIGILL;
+#else
+      return SIGSEGV;
+#endif
+
+    case SIM_SIGTRAP :
+      return SIGTRAP;
+
+    case SIM_SIGBUS :
+#ifdef SIGBUS
+      return SIGBUS;
+#else
+      return SIGSEGV;
+#endif
+
+    case SIM_SIGSEGV :
+      return SIGSEGV;
+
+    case SIM_SIGXCPU :
+#ifdef SIGXCPU
+      return SIGXCPU;
+#endif
+      break;
+
+    case SIM_SIGFPE:
+#ifdef SIGXCPU
+      return SIGFPE;
+#endif
+      break;
+
+    case SIM_SIGNONE:
+      return 0;
+      break;
+    }
+
+  sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig);
+#ifdef SIGHUP
+  return SIGHUP;  /* FIXME: Suggestions?  */
+#else
+  return 1;
+#endif
+}