Data commit

Task/Machine-code/Kotlin/machine-code-1.kotlin

@@ -0,0 +1,6 @@
+// mcode.def
+---
+
+static inline unsigned char runMachineCode(void *code, unsigned char a, unsigned char b) {
+    return ((unsigned char (*) (unsigned char, unsigned char))code)(a, b);
+}

Task/Machine-code/Kotlin/machine-code-2.kotlin

@@ -0,0 +1,37 @@
+// Kotlin Native version 0.3
+
+import kotlinx.cinterop.*
+import string.*
+import mman.*
+import mcode.*
+
+fun main(args: Array<String>) {
+    memScoped {
+        val bytes = byteArrayOf(
+            144 - 256,                            // Align
+            144 - 256,
+            106, 12,                              // Prepare stack
+            184 - 256, 7, 0, 0, 0,
+            72, 193 - 256, 224 - 256, 32,
+            80,
+            139 - 256, 68, 36, 4, 3, 68, 36, 8,   // Rosetta task code
+            76, 137 - 256, 227 - 256,             // Get result
+            137 - 256, 195 - 256,
+            72, 193 - 256, 227 - 256, 4,
+            128 - 256, 203 - 256, 2,
+            72, 131 - 256, 196 - 256, 16,         // Clean up stack
+            195 - 256                             // Return
+        )
+        val len = bytes.size
+        val code = allocArray<ByteVar>(len)
+        for (i in 0 until len) code[i] = bytes[i]
+        val buf = mmap(null, len.toLong(), PROT_READ or PROT_WRITE or PROT_EXEC,
+                       MAP_PRIVATE or MAP_ANON, -1, 0)
+        memcpy(buf, code, len.toLong())
+        val a: Byte = 7
+        val b: Byte = 12
+        val c = runMachineCode(buf, a, b)
+        munmap(buf, len.toLong())
+        println("$a + $b = ${if(c >= 0) c.toInt() else c + 256}")
+    }
+}