On Thu, 23 Mar 2023 18:11:18 GMT, Jorn Vernee <jver...@openjdk.org> wrote:
> This patch adds checks in AbstractLinker to reject packed structs and structs > with excess padding (e.g. unnamed bitfields), since both of those are > currently not supported, and the ABI/spec seems too vague to base support on. src/java.base/share/classes/java/lang/foreign/Linker.java line 200: > 198: * </table></blockquote> > 199: * <p> > 200: * Note that due to limited ABI specification coverage, none of the > native linker implementations supports Is there something bigger to say here? E.g. can I pass a C int with an alignment other than its size? E.g. is there a requirement that the alignment of _all_ layouts should be identical to their natural alignment? If so, we should say so. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/13164#discussion_r1149370526