On Wed, 2 Jun 2021 17:19:06 GMT, Maurizio Cimadamore <mcimadam...@openjdk.org> wrote:
> This patch overhauls the library loading mechanism used by the Foreign Linker > API. We realized that, while handy, the *default* lookup abstraction > (`LibraryLookup::ofDefault`) was behaving inconsistentlt across platforms. > > This patch replaces `LibraryLookup` with a simpler `SymbolLookup` > abstraction, a functional interface. Crucially, `SymbolLookup` does not > concern with library loading, only symbol lookup. For this reason, two > factories are added: > > * `SymbolLookup::loaderLookup` - which obtains a lookup that can be used to > lookup symbols in libraries loaded by current loader > * `CLinker::systemLookup` - a more stable replacement for the *default* > lookup, which looks for symbols in libc.so (or its equivalent in other > platforms). The contents of this lookup are unspecified. > > Both factories are *restricted*, so they can only be called when > `--enable-native-access` is set. This pull request has now been integrated. Changeset: 59a539fe Author: Maurizio Cimadamore <mcimadam...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/59a539fef12dec6ba8af8a41000829402e7e9b72 Stats: 1351 lines in 47 files changed: 626 ins; 621 del; 104 mod 8268129: LibraryLookup::ofDefault leaks symbols from loaded libraries Reviewed-by: jvernee, psandoz ------------- PR: https://git.openjdk.java.net/jdk/pull/4316
