static void noim() {
int i;
wr('n');
wr('i');
wr(' ');
i = Native.getSP(); // sp of noim();
int sp = Native.rdIntMem(i - 4); // sp of calling function
int pc = Native.rdIntMem(sp - 3) - 1; // one to high
i = Native.rdIntMem(sp); // mp
wrSmall(i);
wr(' ');
int start = Native.rdMem(i) >>> 10;
wrSmall(start);
wr(' ');
wrByte(pc);
wr(' ');
int val = Native.rdMem(start + (pc >> 2));
for (i = (pc & 0x03); i < 3; ++i) val >>= 8;
val &= 0xff;
wrByte(val);
Object o = new Object();
synchronized (o) {
System.out.println();
System.out.print("JOP: bytecode ");
System.out.print(val);
System.out.println(" not implemented");
trace(sp);
for (; ; ) ;
}
}
static void trace(int sp) {
int fp, mp, vp, pc, addr, loc, args;
int val;
// for (int i=0; i<1024; ++i) {
// wrSmall(i);
// wrSmall(Native.rdIntMem(i));
// wr('\n');
// }
wr("saved sp=");
wrSmall(sp);
wr('\n');
fp = sp - 4; // first frame point is easy, since last sp points to the end of the frame
wr(" mp pc fp");
wr('\n');
while (fp > Const.STACK_OFF + 5) {
mp = Native.rdIntMem(fp + 4);
vp = Native.rdIntMem(fp + 2);
pc = Native.rdIntMem(fp + 1);
val = Native.rdMem(mp);
addr = val >>> 10; // address of callee
wrSmall(mp);
// wrSmall(addr);
wrSmall(pc);
wrSmall(fp);
wr('\n');
val = Native.rdMem(mp + 1); // cp, locals, args
args = val & 0x1f;
loc = (val >>> 5) & 0x1f;
fp = vp + args + loc; // new fp can be calc. with vp and count of local vars
}
wr('\n');
}