The proper way to fix this is to disable FDS. We should not need yet another option to control debug info.
Dan On 2/28/14 4:13 AM, David Holmes wrote: > Hi, > > As I put in the bug report this seems way too complicated. Seems to me > all you need to do to get what you want is not use FDS and not strip the > symbols from the binary. The former is trivial. The latter is more > awkward as the strip policy stuff does not work as I would want it to > work, but still doable. > > David > > On 28/02/2014 7:18 PM, Yasumasa Suenaga wrote: >> Hi all, >> >> >> Currently, configure script can accept --disable-debug-symbols and >> --disable-zip-debug-info as controlling to generate debug information. >> However, current makefiles cannot build ELF binaries which is contained >> debug information with "images" target. >> >> Some Linux distros use RPM as package manager. >> RPM is built by rpmbuild command, it strips symbols and debug information >> during to generate rpm packages. >> https://fedoraproject.org/wiki/Packaging:Debuginfo >> >> For example, OpenJDK8 in Fedora20 ships libjvm.so and libjvm.debuginfo . >> libjvm.debuginfo is generated in OpenJDK's makefiles, however it does not >> contain debug information. Actual debug information is shipped by OpenJDK >> debuginfo package. >> This packaging is important when we have to debug JVM/JNI libraries. >> If we want to use debugging tools (GDB, SystemTap, etc...), they may requires >> debuginfo package. Debuggee (e.g. libjvm.so) points libjvm.so.debug which is >> located at sub directory in /usr/lib/debug . It is defined in ELF section >> (.note.gnu.build-id) of libjvm.so . However libjvm.so.debug does not contain >> valid debug information. We need to access libjvm.debuginfo.debug at same >> location. >> >> >> When we think to build OpenJDK rpm packages, we have to build ELF binaries >> which contain all debug information. we should not to separate debug >> information. >> >> >> Thus I want to add a variable "SEPARATED_DEBUGINFO_FILES" . >> If we pass "SEPARATED_DEBUGINFO_FILES=false" to make command, "make" does not >> execute objcopy command for generating debuginfo binaries. >> >> If we build rpm packages, we also have to add "STRIP_POLICY=no_strip" to >> arguments >> of make command. Or ELF binaries will be stripped. >> >> >> I've uploaded webrev for this enhancement. >> This is separated 3-part: top of forest, hotspot, jdk >> http://cr.openjdk.java.net/~ysuenaga/JDK-8036003/ >> >> Please review it and sponsoring! >> >> >> Thanks, >> >> Yasumasa >> >> >> P.S. >> I tried to add SEPARATED_DEBUGINFO_FILES as a configure option like >> "--disable-separated-debug-info" . >> I ran configure which is located at jdk9/dev directory after I ran >> autoconf >> and common/autoconf/autogen.sh. However it failed. >> >> I guess this is caused by changeset as below. >> JDK-8035495: Improvements in autoconf integration >> http://hg.openjdk.java.net/jdk9/dev/rev/6e29cd9ac2b4 >> >> This changes add "CHECKME" option to configure script. However, this >> changes >> affects "configure" only. It should change "configure.ac" . >>
