For sim_fetch_register / sim_store_register: Add LENGTH parameter,

return actual size of register, 0 if not applicable, -1 of legacy
implementation.

sim/w65/ChangeLog

@@ -1,3 +1,10 @@
+Tue Feb 17 12:52:24 1998  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* run.c (main): Pass length into sim_fetch_register.
+
+	* interp.c (sim_store_register, sim_fetch_register): Pass in
+ 	length parameter. Return -1.
+
 Tue Aug 26 10:43:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* interp.c (sim_kill): Delete.

sim/w65/interp.c

@@ -233,10 +233,11 @@ rinfo[] =
   0
 };
 
-void
-sim_store_register (rn, value)
+int
+sim_store_register (rn, value, length)
      int rn;
      unsigned char *value;
+     int length;
 {
   unsigned int val;
   int i;
@@ -247,12 +248,14 @@ sim_store_register (rn, value)
     }
 
   *(rinfo[rn].ptr) = val;
+  return -1;
 }
 
-void
-sim_fetch_register (rn, buf)
+int
+sim_fetch_register (rn, buf, length)
      int rn;
      unsigned char *buf;
+     int length;
 {
   unsigned int val = *(rinfo[rn].ptr);
   int i;
@@ -262,6 +265,7 @@ sim_fetch_register (rn, buf)
       *buf++ = val;
       val = val >> 8;
     }
+  return -1;
 }
 
 

sim/w65/run.c

@@ -113,7 +113,7 @@ main (ac, av)
 	  /* Find out what was in r0 and return that */
 	  {
 	    unsigned char b[4];
-	    sim_fetch_register(0, b);
+	    sim_fetch_register(0, b, 4);
 	    return b[3];
 	  }