* serial.h (SERIAL_SET_TTY_STATE): Comment return value.

[deliverable/binutils-gdb.git] / gdb / i960-tdep.c

diff --git a/gdb/i960-tdep.c b/gdb/i960-tdep.c
index df15599f1b4ed25054b0f94f72760533b25a9b99..2df0f57625d0c821eb65107171a6219a647796c9 100644 (file)
--- a/gdb/i960-tdep.c
+++ b/gdb/i960-tdep.c
@@ -28,6 +28,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "value.h"
 #include "frame.h"
 #include "ieee-float.h"
+#include "target.h"
 
 /* Structure of i960 extended floating point format.  */
 
@@ -589,15 +590,24 @@ i960_fault_to_signal (fault)
     {
     case 0: return TARGET_SIGNAL_BUS; /* parallel fault */
     case 1: return TARGET_SIGNAL_UNKNOWN;
-    case 2: return TARGET_SIGNAL_BUS; /* operation fault */
+    case 2: return TARGET_SIGNAL_ILL; /* operation fault */
     case 3: return TARGET_SIGNAL_FPE; /* arithmetic fault */
     case 4: return TARGET_SIGNAL_FPE; /* floating point fault */
-    case 5: return TARGET_SIGNAL_BUS; /* constraint fault */
+
+       /* constraint fault.  This appears not to distinguish between
+         a range constraint fault (which should be SIGFPE) and a privileged
+         fault (which should be SIGILL).  */
+    case 5: return TARGET_SIGNAL_ILL;
+
     case 6: return TARGET_SIGNAL_SEGV; /* virtual memory fault */
-    case 7: return TARGET_SIGNAL_SEGV; /* protection fault */
+
+       /* protection fault.  This is for an out-of-range argument to
+         "calls".  I guess it also could be SIGILL. */
+    case 7: return TARGET_SIGNAL_SEGV;
+
     case 8: return TARGET_SIGNAL_BUS; /* machine fault */
     case 9: return TARGET_SIGNAL_BUS; /* structural fault */
-    case 0xa: return TARGET_SIGNAL_BUS; /* type fault */
+    case 0xa: return TARGET_SIGNAL_ILL; /* type fault */
     case 0xb: return TARGET_SIGNAL_UNKNOWN; /* reserved fault */
     case 0xc: return TARGET_SIGNAL_BUS; /* process fault */
     case 0xd: return TARGET_SIGNAL_SEGV; /* descriptor fault */