January 2023 – Eclipse OpenJ9 Blog

OpenJ9 Debug Images

Posted on January 11, 2023January 11, 2023 by pshipton

Most OpenJ9 platforms create debug images as part of the build, automatically on jenkins or when running make all. These are overlays to the JDK which add additional debug information for native debuggers, such as gdb or windbg, to help developers diagnose problems. Looking at a build for the xLinux platform in Jenkins, you can…

OpenJ9 JCL Preprocessor (JPP) is extended to the extensions for OpenJDK

Posted on January 11, 2023 by jasonfengj9

OpenJ9 has been using the JPP to produce a custom set of libraries from a single JCL codebase since its inception. The customized libraries are used to build OpenJ9 JDKs. Initially, only the OpenJ9 JCL codebase is structured to support various JPP configurations. Recently the JPP is extended to preprocess some of the JCL code…