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parttimenerd/Panama JDK21 to 22 changes.md

Created April 8, 2024 11:04
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Panama JDK21 to 22 changes.md
  • segment.setUtf8String(0, obj); -> segment.setString(0, obj);
  • same with getUtf8String
  • MemoryLayout.sequenceLayout(JAVA_BYTE) -> MemoryLayout.sequenceLayout(0, JAVA_BYTE)
  • arena.allocateUtf8String(string) -> allocateFrom(string)
  • var readers = arena.allocateArray(PanamaUtil.POINTER, perfBuffers.size()); -> var readers = arena.allocate(PanamaUtil.POINTER, perfBuffers.size());
  • jextract:
    • Callbacks: "X" -> "X.function"
    • bcc_symbol.module$get(sym) -> module(sym)
    • Lib.open(pathInC, O_RDONLY) (var args (?)) -> Lib.open.makeInvoker().apply(pathInC, O_RDONLY) (extern int open(const char *__file, int __oflag, ...))
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