On Fri, 4 Mar 2022 22:12:08 GMT, Chris Plummer <cjplum...@openjdk.org> wrote:
> jdb has 3 types of arguments: > > 1. Those that are jdb specific, such as -attach, -launch, and -listconnectors > 2. Those that are passed to the JVM used to run jdb. These are all prefixed > with -J, and any valid JVM argument can be passed in this manner. > 3. Those that are passed to the debuggee JVM when it is launched, such as > -classpath, -D<property>, and any option that starts with -X (including -XX) > > The problem with the 3rd group is that (other than for -D and -X), jdb will > only pass through arguments that it recognizes, and that list is very > limited. When you want to launch the debuggee with an argument that jdb > doesn't recognize, you have no choice but to launch the debuggee yourself > (using a separate command line and using the -agentlib:jdwp argument) and > then tell jdb to attach to the debuggee process. It's much easier when you > can just let jdb launch the debuggee, and our nsk/jdb testing currently > relies on this feature. > > This PR adds the jdb -R<option> where <option> is passed through to the > debuggee JVM. This allows the passing through of any JVM option, not just > ones that jdb knows about. This is consistent with how jshell passes > arguments to the debuggee. This pull request has now been integrated. Changeset: 5bf6a7f7 Author: Chris Plummer <cjplum...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/5bf6a7f7d78506118ded0f0bf6383b0825366619 Stats: 35 lines in 4 files changed: 29 ins; 0 del; 6 mod 8282691: add jdb "-R" option for passing any argument to the launched debuggee process Reviewed-by: alanb, kevinw ------------- PR: https://git.openjdk.java.net/jdk/pull/7708
