On Thu, 3 Jun 2021 20:49:44 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. > > Maurizio Cimadamore has updated the pull request incrementally with one > additional commit since the last revision: > > Address review comments on shim lib makefile Just tried with `System.load()` but still ended up with pretty much the same failure given both of them eventually invokes `ClassLoader.loadLibrary` to load the library in which case there is no big difference at this point. static { System.load("/usr/lib/libc.a"); } Exception in thread "main" java.lang.UnsatisfiedLinkError: Can't load /usr/lib/libc.a <---- at java.base/java.lang.ClassLoader.loadLibrary(ClassLoader.java:1793) at java.base/java.lang.System.load(System.java:672) at StdLibTest.<clinit>(StdLibTest.java:24) ------------- PR: https://git.openjdk.java.net/jdk/pull/4316