From 9d6356e8a9db4d1536ddc8a1e832e1672aff4a04 Mon Sep 17 00:00:00 2001
From: Eduard Urbach <eduard@urbach.dev>
Date: Tue, 29 Apr 2025 18:12:51 +0200
Subject: [PATCH] Implemented code pointers on arm64

---
 src/asmc/armCompiler.go | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/asmc/armCompiler.go b/src/asmc/armCompiler.go
index 0ce0434..e8529a0 100644
--- a/src/asmc/armCompiler.go
+++ b/src/asmc/armCompiler.go
@@ -80,7 +80,7 @@ func (c *armCompiler) handleMoveInstruction(instruction asm.Instruction) {
 		if operands.Label.Type == asm.DataLabel {
 			c.dataPointers = append(c.dataPointers, c.createDataPointer(operands, position))
 		} else {
-			panic("not implemented")
+			c.codePointers = append(c.codePointers, c.createCodePointer(operands, position))
 		}
 	}
 }
@@ -398,6 +398,24 @@ func (c *armCompiler) handleNegateInstruction(instruction asm.Instruction) {
 	}
 }
 
+func (c *armCompiler) createCodePointer(operands asm.RegisterLabel, position Address) *pointer {
+	return &pointer{
+		Position: position,
+		OpSize:   0,
+		Size:     4,
+		Resolve: func() Address {
+			destination, exists := c.codeLabels[operands.Label.Name]
+
+			if !exists {
+				panic("unknown label")
+			}
+
+			distance := destination - position + 8
+			return arm.LoadAddress(operands.Register, int(distance))
+		},
+	}
+}
+
 func (c *armCompiler) createDataPointer(operands asm.RegisterLabel, position Address) *pointer {
 	return &pointer{
 		Position: position,