chore: more binexport code

.gitignore

@@ -24,5 +24,8 @@ go.work.sum
 # env file
 .env
 
+# debug
+__debug*
+
 # misc
 *.proto

cmd/bindiff/cmd/root.go

@@ -49,8 +49,7 @@ var rootCmd = &cobra.Command{
 			log.SetLevel(log.DebugLevel)
 		}
 
-		binexport := binexport.NewBinExport(args[0])
-		if err := binexport.Run(); err != nil {
+		if err := binexport.NewBinExport(args[0]).Run(); err != nil {
 			log.Fatalf("failed to run binexport: %v", err)
 		}
 	},

pkg/binexport/binexport.go

@@ -17,15 +17,66 @@ func NewBinExport(path string) *BinExport {
 	}
 }
 
+// PACIBSP
+// STP             X20, X19, [SP,#-0x10+var_10]!
+// STP             X29, X30, [SP,#0x10+var_s0]
+// ADD             X29, SP, #0x10
+// CBZ             s, loc_FFFFFE00072B4038
+
 func (b *BinExport) Run() error {
 	data, err := os.ReadFile(b.path)
 	if err != nil {
 		return fmt.Errorf("failed to read file: %w", err)
 	}
-	var exp BinExport2
-	if err := proto.Unmarshal(data, &exp); err != nil {
+
+	var bexp BinExport2
+	if err := proto.Unmarshal(data, &bexp); err != nil {
 		return fmt.Errorf("failed to unmarshal BinExport2: %w", err)
 	}
-	fmt.Println(exp.MetaInformation)
+
+	fmt.Println(bexp.GetMetaInformation())
+
+	for _, flow := range bexp.GetFlowGraph() {
+		bb := bexp.BasicBlock[flow.GetEntryBasicBlockIndex()]
+		for _, blockInst := range bb.GetInstructionIndex() {
+			var prevAddr uint64
+			for _, inst := range bexp.Instruction[blockInst.GetBeginIndex():blockInst.GetEndIndex()] {
+				if inst.Address != nil {
+					mnemonic := bexp.Mnemonic[inst.GetMnemonicIndex()]
+					fmt.Printf("%#x: %s\n", inst.GetAddress(), mnemonic.GetName())
+					prevAddr = inst.GetAddress()
+				} else {
+					mnemonic := bexp.Mnemonic[inst.GetMnemonicIndex()]
+					var out string
+					for _, oidx := range inst.GetOperandIndex() {
+						for _, eidx := range bexp.Operand[oidx].GetExpressionIndex() {
+							exp := bexp.Expression[eidx]
+							fmt.Printf("expression: %d) %s\n", eidx, exp)
+							switch exp.GetType() {
+							case BinExport2_Expression_SYMBOL:
+								out += exp.GetSymbol()
+							case BinExport2_Expression_IMMEDIATE_INT:
+								out += fmt.Sprintf("%d", int64(exp.GetImmediate()))
+							case BinExport2_Expression_IMMEDIATE_FLOAT:
+								out += fmt.Sprintf("%f", exp.GetImmediate())
+							case BinExport2_Expression_OPERATOR:
+								out += exp.GetSymbol()
+							case BinExport2_Expression_REGISTER:
+								out += exp.GetSymbol() + ", "
+							case BinExport2_Expression_SIZE_PREFIX:
+								// out += exp.GetSymbol()
+							case BinExport2_Expression_DEREFERENCE:
+								out += exp.GetSymbol()
+							default:
+								out += "unknown"
+							}
+						}
+					}
+					fmt.Printf("%#x: %s\t%s\n", prevAddr, mnemonic.GetName(), out)
+				}
+			}
+		}
+	}
+
 	return nil
 }