On Fri, 14 Nov 2025 11:25:05 GMT, Matthias Baesken <[email protected]> wrote:
> The dead_strip linker option on macOS removes functions and data that are > unreachable by the entry point or exported symbols. > Setting it can reduce the size of some binaries we generate quite a lot, for > example (product build, Xcode 15 is used) : > (before -> after setting the option) > > 1.4M -> 1.1M images/jdk/lib/libfontmanager.dylib > 264K -> 248K images/jdk/lib/libjavajpeg.dylib > 152K -> 132K images/jdk/lib/libjli.dylib > 388K -> 296K images/jdk/lib/liblcms.dylib > 164K -> 128K images/jdk/lib/libzip.dylib > > > and libjvm : > > 20M -> 18M images/jdk/lib/server/libjvm.dylib > 146M -> 137M images/jdk/lib/server/libjvm.dylib.dSYM On 19/11/2025 13:22, Matthias Bäsken wrote: > MBaesken left a comment (openjdk/jdk#28319) > >> I remember s390 used to strip unneeded stuff, and it was very hard to debug >> anything. > > What exactly was hard to debug? > Did you use (fast)debug or product binaries ? > I do not remember issues like this on s390 but I can ask my (ex)colleagues > who dealt more with s390 . It was hard to debug hotspot. Helpers such as pp(), back_trace(), and pfl() were missing. I think it was a release build, but of course you sometimes have to debug release builds. ------------- PR Comment: https://git.openjdk.org/jdk/pull/28319#issuecomment-3553349390
