Update years in copyright notice for the GDB files.

[deliverable/binutils-gdb.git] / sim / cr16 / simops.c

diff --git a/sim/cr16/simops.c b/sim/cr16/simops.c
index a4bf3bb05cca0ffcf3152e6766bc93954abe4b12..fd922ed6fef30c0bb29899d590febb0503bd340c 100644 (file)
--- a/sim/cr16/simops.c
+++ b/sim/cr16/simops.c
@@ -1,5 +1,5 @@
 /* Simulation code for the CR16 processor.
-   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2008-2013 Free Software Foundation, Inc.
    Contributed by M Ranga Swami Reddy <MR.Swami.Reddy@nsc.com>
 
    This file is part of GDB, the GNU debugger.
@@ -5059,6 +5059,8 @@ OP_14C_14 ()
 void
 OP_C_C ()
 {
+  uint32 tmp;
+  uint16 a;
   trace_input ("excp", OP_CONSTANT4, OP_VOID, OP_VOID);
   switch (OP[0])
     {
@@ -5131,11 +5133,13 @@ OP_C_C ()
        switch (FUNC)
          {
 #if !defined(__GO32__) && !defined(_WIN32)
+#ifdef TARGET_SYS_fork
          case TARGET_SYS_fork:
            trace_input ("<fork>", OP_VOID, OP_VOID, OP_VOID);
            RETVAL (fork ());
            trace_output_16 (result);
            break;
+#endif
 
 #define getpid() 47
          case TARGET_SYS_getpid:
@@ -5272,12 +5276,14 @@ OP_C_C ()
              }
            break;
 
+#ifdef TARGET_SYS_execve
          case TARGET_SYS_execve:
            trace_input ("<execve>", OP_VOID, OP_VOID, OP_VOID);
            RETVAL (execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2<<16|PARM3),
                             (char **)MEMPTR (PARM4)));
            trace_output_16 (result);
            break;
+#endif
 
 #ifdef TARGET_SYS_execv
          case TARGET_SYS_execv:
@@ -5287,6 +5293,7 @@ OP_C_C ()
            break;
 #endif
 
+#ifdef TARGET_SYS_pipe
          case TARGET_SYS_pipe:
            {
              reg_t buf;
@@ -5301,6 +5308,7 @@ OP_C_C ()
              trace_output_16 (result);
            }
          break;
+#endif
 
 #ifdef TARGET_SYS_wait
          case TARGET_SYS_wait:
@@ -5365,6 +5373,7 @@ OP_C_C ()
            trace_output_32 (result);
            break;
 
+#ifdef TARGET_SYS_rename
          case TARGET_SYS_rename:
            trace_input ("<rename>", OP_MEMREF, OP_MEMREF, OP_VOID);
            RETVAL (cr16_callback->rename (cr16_callback, 
@@ -5372,6 +5381,7 @@ OP_C_C ()
                                   MEMPTR ((((unsigned long)PARM4)<<16) |PARM3)));
            trace_output_16 (result);
            break;
+#endif
 
          case 0x408: /* REVISIT: Added a dummy getenv call. */
            trace_input ("<getenv>", OP_MEMREF, OP_MEMREF, OP_VOID);
@@ -5424,11 +5434,13 @@ OP_C_C ()
            break;
 #endif
 
+#ifdef TARGET_SYS_chown
          case TARGET_SYS_chown:
            trace_input ("<chown>", OP_VOID, OP_VOID, OP_VOID);
            RETVAL (chown (MEMPTR (PARM1), PARM2, PARM3));
            trace_output_16 (result);
            break;
+#endif
 
          case TARGET_SYS_chmod:
            trace_input ("<chmod>", OP_VOID, OP_VOID, OP_VOID);
@@ -5455,9 +5467,24 @@ OP_C_C ()
 #endif
            
          default:
-           cr16_callback->error (cr16_callback, "Unknown syscall %d", FUNC);
+           a = OP[0];
+           switch (a)
+           {
+             case TRAP_BREAKPOINT:
+               State.exception = SIGTRAP;
+               tmp = (PC);
+               JMP(tmp);
+               trace_output_void ();
+               break;
+             case SIGTRAP:  /* supervisor call ?  */
+               State.exception = SIG_CR16_EXIT;
+               trace_output_void ();
+               break;
+             default:
+               cr16_callback->error (cr16_callback, "Unknown syscall %d", FUNC);
+               break;
+           }
          }
-
        if ((uint16) result == (uint16) -1)
          RETERR (cr16_callback->get_errno(cr16_callback));
        else