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