On Wed, 7 Dec 2022 19:49:47 GMT, Doug Simon <dnsi...@openjdk.org> wrote:
>> Libgraal is compiled ahead of time and should not need any JVMCI Java code >> to be dynamically loaded at runtime. Prior to this PR, this is not the case >> due to: >> >> * Code to copy system properties from the HotSpot heap into the libgraal >> heap. This is in >> `jdk.vm.ci.services.Services.initializeSavedProperties(byte[])` and >> `jdk.vm.ci.services.Services.serializeSavedProperties()`. This code should >> be moved to `java.base/jdk.internal.vm.VMSupport`. >> * Code to translate exceptions from the HotSpot heap into the libgraal heap >> and vice versa. This code should be moved from >> `jdk.internal.vm.ci//jdk.vm.ci.hotspot.TranslatedException` to >> `java.base/jdk.internal.vm.VMSupport`. >> >> This PR makes the above changes. As a result, it's possible to build a JDK >> image that includes (and uses) libgraal but does not include >> `jdk.internal.vm.ci` or `jdk.internal.vm.compiler`. This both reduces >> footprint and better isolates the JAVMCI and the Graal compiler as accessing >> these components from Java code is now impossible. > > Doug Simon has updated the pull request with a new target base due to a merge > or a rebase. The incremental webrev excludes the unrelated changes brought in > by the merge/rebase. The pull request contains 14 additional commits since > the last revision: > > - Merge remote-tracking branch 'openjdk-jdk/master' into JDK-8298099 > - formatting to avoid very long lines [skip ci] > - removed debug code [skip ci] > - clarify Properties filtering [skip ci] > - remove debug code [skip ci] > - incorporate review feedback [skip ci] > - removed hard-coded module name [skip ci] > - renamed is_module_resolvable to is_module_observable > - share code to create the exploded path for a module and avoid stack-based > variable length array > - generalized ClassLoader::has_jvmci_module to is_module_resolvable > - ... and 4 more: https://git.openjdk.org/jdk/compare/5927a4d6...f5219b20 @dougxc Two reviews are needed for all non-trivial hotspot changes, and this also warranted a review from core-libs! Your discussions with Alan still seemed to be in-progress. ------------- PR: https://git.openjdk.org/jdk/pull/11513