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classify register type and base register for load/store

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This commit is contained in:
EDiasAlberto 2024-06-06 14:28:32 +01:00
parent 1011d7be71
commit 872d4224f8
1 changed files with 12 additions and 2 deletions
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14
src/parser.c
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@ -14,6 +14,7 @@
// - count operands and match type/values
// - generate final a64inst and return
//calculate offsets from string
void calcluateAddressFormat(a64inst_instruction *instr, char *operandList[]){
if(strcmp(operandList[0][strlen(operandList[0])-1], "{") == 0) {
//unsigned immediate offset
@ -36,6 +37,14 @@ void calcluateAddressFormat(a64inst_instruction *instr, char *operandList[]){
void generateLoadStoreOperands(a64inst_instruction *instr, char *opcode, char *operandList[]){
switch(instr->data.type){
case a64inst_SINGLETRANSFER:
if(strcmp(operandList[0][0], "x")==0){
//x-register
instr->data.regType = 1;
} else {
instr->data.regType = 0;
}
char *endptr;
instr->processOpData.base = strtol(operandList[0][0]+1, endptr, 2);
calcluateAddressFormat(instr, operandList);
break;
case a64inst_LOADLITERAL:
@ -97,10 +106,11 @@ void classifyOpcode(char* opcode, a64inst_instruction *instr, char *operandList[
if( *address == '['){
//type is register
instr->type = a64inst_SINGLETRANSFER;
instr->data.SingleTransferOpType = a64inst_SINGLE_TRANSFER_SINGLE_DATA_TRANSFER;
if(isLoad == 0){
instr->data.processOpData.singleDataTransferData.transferType = a64inst_LOAD;
instr->data.processOpData.transferType = a64inst_LOAD;
} else {
instr->data.processOpData.singleDataTransferData.transferType = a64inst_STORE;
instr->data.processOpData.transferType = a64inst_STORE;
}
} else {
instr->type = a64inst_LOADLITERAL;