Merge branch 'assembler-e' into 'assembler-s'

Assembler e

See merge request lab2324_summer/armv8_43!13

src/parser.c

@@ -18,6 +18,17 @@
 // - ASK ABOUT OFFSET CALCULATION
 // - CREATE FUNC TO TIDY UP OPERANDS IN DP
 
+//takes inputted char array and returns the integer of the operand, skipping the first character
+//e.g. for a passed "R32", it skips the 'R' and returns 32
+int getOperandNumber(char *operand){
+    char *operandCpy = NULL;
+    strcpy(operandCpy, operand);
+    operandCpy++;
+    char **endptr = NULL;
+    int number = strtol(operandCpy, endptr, 10);
+    return number;
+}
+
 int isOperandRegister(char *operand){
     return((strcmp(&(operand[0]), "x")==0) || (strcmp(&(operand[0]), "w")==0));
 }
@@ -64,7 +75,6 @@ void generateLoadStoreOperands(a64inst_instruction *instr, char *opcode, char *o
             }
             char *endptr;
             instr->data.SingleTransferData.target = strtol(&(operandList[0][0])+1, &endptr, 10);
-            calcluateAddressFormat(instr, operandList, numOperands);
             break;
         case a64inst_LOADLITERAL:
             break;
@@ -151,16 +161,13 @@ void classifyOpcode(char* opcode, a64inst_instruction *instr, char *operandList[
             instr->type = a64inst_LOADLITERAL;
             if(operandList[0][0] =='#'){
                 //offset is immediate
-                char *immOffset = NULL;
+                int offset = getOperandNumber(operandList[0]);
-                immOffset = strcpy(immOffset, operandList[0]);
-                immOffset++;
-                char *endptr = NULL;
-                int offset = strtol(immOffset, &endptr, 10);
                 instr->data.SingleTransferData.processOpData.loadLiteralData.offset = offset;
             } else {
                 //offset is literal, use symbol table and calculate difference
             }
         }
+        generateLoadStoreOperands(instr, opcode, operandList, numOperands);
 
     } else {
         if(classifyDPInst(operandList)){
@@ -235,6 +242,7 @@ void parser_instruction(char asmLine[], a64inst_instruction *instr) {
                 break;
             case a64inst_SINGLETRANSFER:
                 generateLoadStoreOperands(instr, opcode, operandList, numOperands);
+                calcluateAddressFormat(instr, operandList, numOperands);
                 break;
             case a64inst_LOADLITERAL:
                 generateLoadStoreOperands(instr, opcode, operandList, numOperands);