sBubshait/ARMv8
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added label, branch, halt, directive to switch statement

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This commit is contained in:
GDBWNV 2024-06-06 16:40:24 +01:00
parent 1440ebd702
commit da50ee27a1
2 changed files with 26 additions and 6 deletions
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2
src/a64instruction_Directive.h
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@ -1,5 +1,5 @@
#include "global.h"
typedef struct {
dword value;
word value;
} a64inst_DirectiveData;

30
src/twopassassembly.c
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@ -175,26 +175,46 @@ word ldl(a64inst_instruction cI) {
return out;
}
void secondPass(a64inst_instruction instrs[], int numInstrs, st* table){
void secondPass(a64inst_instruction instrs[], int numInstrs, st* table, word arr[]){
//TODO:
// iterate over instructions again, this time replacing labels
// with values from symbol table
// after a line has had all the values replaced, assemble it and append
int index = 0;
int lbl = 0;
for (int i=0; i<numInstrs; i++) {
a64inst_instruction cI = instrs[i];
switch (cI.type) {
case a64inst_DPIMMEDIATE:
dpi(cI);
arr[index] = dpi(cI);
index++;
break;
case a64inst_DPREGISTER:
dpr(cI);
arr[index] = dpr(cI);
index++;
break;
case a64inst_SINGLETRANSFER:
sts(cI);
arr[index] = sts(cI);
index++;
break;
case a64inst_LOADLITERAL:
ldl(cI);
arr[index] = ldl(cI);
index++;
break;
case a64inst_DIRECTIVE:
arr[index] = cI.data.DirectiveData.value;
index++;
break;
case a64inst_HALT:
arr[index] = 69*(2^25);
index++;
break;
case a64inst_LABEL:
lbl++;
break;
case a64inst_BRANCH:
arr[index] = assembleBranch(&cI, table, lbl);
index++;
default:
break;
}