gc

njvm.c

@@ -52,7 +52,7 @@ void execute(struct program program) {
     int tempInt;
     for (i = 0; i < *program.size; ++i) {
         if (debug == 1 || bp == i) debugMenu(fp, stack, &debug, i, &bp);
-        if(debug == 1) printf("(%i)",i);
+        if (debug == 1) printf("(%i)", i);
         switch (program.program[i] >> 24) {
             case HALT:
                 if (debug == 1) printf("halt\n");
@@ -260,25 +260,25 @@ void execute(struct program program) {
             case GETF:
                 if (debug == 1) printf("getf\n");
                 tempObj = pop(stack).u.objRef;
-                push(stack, stackSlotWithObjRef(getField(tempObj,SIGN_EXTEND(IMMEDIATE(program.program[i])))));
+                push(stack, stackSlotWithObjRef(getField(tempObj, SIGN_EXTEND(IMMEDIATE(program.program[i])))));
                 break;
             case PUTF:
                 if (debug == 1) printf("putf\t%i\n", SIGN_EXTEND(IMMEDIATE(program.program[i])));
                 tempObj = pop(stack).u.objRef;
                 tempObj2 = pop(stack).u.objRef;
-                setField(tempObj2, SIGN_EXTEND(IMMEDIATE(program.program[i])),tempObj);
+                setField(tempObj2, SIGN_EXTEND(IMMEDIATE(program.program[i])), tempObj);
                 break;
             case NEWA:
-                if(debug == 1) printf("newa\n");
+                if (debug == 1) printf("newa\n");
                 bip.op1 = pop(stack).u.objRef;
                 push(stack, stackSlotWithObjRef(newRecord(bigToInt())));
                 break;
             case GETFA:
-                if(debug == 1) printf("getfa\n");
+                if (debug == 1) printf("getfa\n");
                 bip.op1 = pop(stack).u.objRef;
                 tempInt = bigToInt();
                 tempObj = pop(stack).u.objRef;
-                push(stack, stackSlotWithObjRef(getField(tempObj,bigToInt())));
+                push(stack, stackSlotWithObjRef(getField(tempObj, bigToInt())));
                 break;
             case PUTFA:
                 if (debug == 1) printf("putfa\n");
@@ -286,12 +286,12 @@ void execute(struct program program) {
                 tempObj2 = pop(stack).u.objRef; // Index
                 bip.op1 = tempObj2;
                 tempInt = bigToInt();
-                setField(pop(stack).u.objRef, tempInt,tempObj);
+                setField(pop(stack).u.objRef, tempInt, tempObj);
                 break;
             case GETSZ:
                 if (debug == 1) printf("getsz\n");
                 tempObj = pop(stack).u.objRef;
-                if(IS_PRIMITIVE(tempObj))  bigFromInt(-1);
+                if (IS_PRIMITIVE(tempObj)) bigFromInt(-1);
                 else bigFromInt(GET_ELEMENT_COUNT(tempObj));
                 push(stack, stackSlotWithObjRef(bip.res));
                 break;
@@ -301,13 +301,13 @@ void execute(struct program program) {
                 break;
             case REFEQ:
                 if (debug == 1) printf("refeq\n");
-                if(pop(stack).u.objRef == pop(stack).u.objRef) bigFromInt(true);
+                if (pop(stack).u.objRef == pop(stack).u.objRef) bigFromInt(true);
                 else bigFromInt(false);
                 push(stack, stackSlotWithObjRef(bip.res));
                 break;
             case REFNE:
                 if (debug == 1) printf("refeq\n");
-                if(pop(stack).u.objRef != pop(stack).u.objRef) bigFromInt(true);
+                if (pop(stack).u.objRef != pop(stack).u.objRef) bigFromInt(true);
                 else bigFromInt(false);
                 push(stack, stackSlotWithObjRef(bip.res));
                 break;
@@ -419,43 +419,53 @@ void swap() {
 }
 
 void garbageCollector() {
+
     char *memToPurgePtr = halfHeapPtr - ((heapSizeKiB * 1024) / 2);
     swap();
-    //printf("%s\n", "stack");
-    for (int i = 0; i < stack.current; i++) {
+    printf("%s\n", "stack");
+    for (int i = 0; i < *stack.current; i++) {
         if (stack.stack[i].isObjRef) {
             stack.stack[i].u.objRef = relocate(stack.stack[i].u.objRef);
         }
     }
-    //printf("%s\n", "globals");
-    for (int i = 0; i < sda.size; i++) {
+    printf("%s\n", "globals");
+    for (int i = 0; i < *sda.size; i++) {
         sda.sda[i] = relocate(sda.sda[i]);
     }
-    //printf("%s\n", "retVal");
+//    printf("%s\n", "retVal");
     //returnValue = relocate(returnValue);
 
-    //printf("%s\n", "op1");
+    printf("%s\n", "op1");
     bip.op1 = relocate(bip.op1);
     ObjRef b = bip.op1;
-    if(b!= NULL)
+
+    if (b != NULL)
         //printf("%d\n", GET_SIZE(b));
 
         //printf("%s\n", "op2");
         bip.op2 = relocate(bip.op2);
+
     b = bip.op2;
-    if(b!= NULL)
+    if (b != NULL)
         //printf("%d\n", GET_SIZE(b));
 
         //printf("%s\n", "res");
         bip.res = relocate(bip.res);
     b = bip.res;
-    if(b!= NULL)
+
+    if (b != NULL) {
         //printf("%d\n", GET_SIZE(b));
 
-        //printf("%s\n", "rem");
+        printf("%s\n", "rem");
+        bip.op1 = bip.rem;
+        bigPrint(stdout);
         bip.rem = relocate(bip.rem);
+        printf("%s\n", "rem");
+    }
+
     b = bip.rem;
-    if(b!= NULL)
+    printf("bip finished\n");
+    if (b != NULL)
         //printf("%d\n", GET_SIZE(b));
 
 
@@ -575,4 +585,4 @@ int main(int argc, char *argv[]) {
         printf("Error: no code file specified\n");
         return 1;
     }
-}
+}