code review request for Full Debug Symbols Revamp (7102323, 7136506) (original) (raw)
Daniel D. Daugherty daniel.daugherty at oracle.com
Thu Mar 22 17:03:38 UTC 2012
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Greetings,
I've backported the FDS changes to JDK7u6. Here's the webrevs:
http://cr.openjdk.java.net/~dcubed/fds_revamp/7136506-webrev/0-7u6-root/ http://cr.openjdk.java.net/~dcubed/fds_revamp/7136506-webrev/0-7u6-jdk/ http://cr.openjdk.java.net/~dcubed/fds_revamp/7102323-webrev/0-7u6-hotspot/
The JDK7u6 and JDK8 root repo patch files:
- identical except for timestamps
- no content differencebetween JDK7u6 and JDK8
The JDK7u6 and JDK8 jdk repo patch files:
- identical except for timestamps, some line numbers, and some context diff anchors
- no content difference between JDK7u6 and JDK8
The JDK7u6 and HSX-24 hotspot repo patch files:
- are identical except for timestamps, some line numbers, some context diff anchors, some copyright updates and the indent fix that Serguei reported in the JDK8 review
- no content difference between JDK7u6 and JDK8
- copyright updates and whitespace updates are not content (IMHO)
Thanks, in advance, for any sanity check reviews.
Dan
On 3/16/12 1:58 PM, Daniel D. Daugherty wrote:
Greetings,
I need code reviews for some Makefile and packaging changes. Wait, come back! They're not that scary... These are Full Debug Symbols changes... so maybe they are that scary... These changes have gone through two rounds of internal review. The following bugs are being used to revamp the OpenJDK side of the Full Debug Symbols (FDS) implementation: 7102323 4/4 RFE: enable Full Debug Symbols Phase 1 on Solaris 7136506 3/4 FDS: rework jdk repo Full Debug Symbols support FDS Revamp Summary The build infrastructure that supports the Full Debug Symbols (FDS) project is being revamped to reduce the default on-disk footprint along with other improvements. FDS info will have to be unzip'ed before being usable in the default build config, but the zip'ed FDS info occupies about 25% of the disk space as the original FDS info. Change summary for the group of fixes: - ENABLEFULLDEBUGSYMBOLS build flag controls the Full Debug Symbols feature; enabled by default (ENABLEFULLDEBUGSYMBOLS=1) - ZIPDEBUGINFOFILES build flag controls the zip'ing of "debug info" during the build; enabled by default (ZIPDEBUGINFOFILES=1). - FDS is enabled by default for Linux X86/X64, Solaris SPARC/SPARC-V9, Solaris X86, and Windows X86/X64. - HSX developer builds will put debug info into .diz files that are co-located with the built object, e.g., there will be a libjvm.diz file right next to libjvm.so. - HSX JPRT jobs will also contain .diz files co-located with the built objects - RE promoted bits will include new debuginfo.zip bundles that contain all the .debuginfo, .diz, .map and/or .pdb files generated by the various repos that make up the RE promotion. Notes: FDS is not enabled on Solaris X64 due to a bug in gobjcopy. FDS has not yet been implemented on MacOS X. Just like the original FDS changes, the FDS Revamp changes are in multiple repos: 'hotspot' repo change summary: - add support for exporting .diz (Debug Info Zip) files - add support for ENABLEFULLDEBUGSYMBOLS build flag (replaces overloaded uses of OBJCOPY variable) - add support for ZIPDEBUGINFOFILES build flag - clean up STRIPPOLICY on Linux and Solaris - On Solaris, also fixes an incorrect 64-bit libjvmdbg symlink and an incorrect 64-bit libjvmdtraceg symlink - The Full Debug Symbols feature is now controllable via ENABLEFULLDEBUGSYMBOLS and ZIPDEBUGINFOFILES on Windows. - On Windows, fixed a few hardcoded "sawindbg" uses 'hotspot' repo webrev: http://cr.openjdk.java.net/~dcubed/fdsrevamp/7102323-webrev/1-hotspot-full/ The HotSpot changes are relative to the HSX-24-B03 snapshot plus one additional fix and are targeted at JDK8-B33/HSX-24-B06.
'jdk' repo change summary: - add support for importing .diz (Debug Info Zip) files - add support for ENABLEFULLDEBUGSYMBOLS build flag - add support for ZIPDEBUGINFOFILES build flag - clean up STRIPPOLICY on Linux and Solaris - LIBRARYSUPPORTSFULLDEBUGSYMBOLS is only needed in FDS Phase 2 so just a comment for now - JPRT needs to use the '-y' option with zip on non-Windows builds of the jdk repo in order to preserve symbolic links 'jdk' repo webrev: http://cr.openjdk.java.net/~dcubed/fdsrevamp/7136506-webrev/1-jdk-full/ The JDK changes are relative to the T&L snapshot for JDK8-B30 and are targeted at JDK8-B33. 'root' repo change summary: - JPRT needs to use the '-y' option with zip on non-Windows control builds in order to preserve symbolic links 'root' repo webrev: http://cr.openjdk.java.net/~dcubed/fdsrevamp/7136506-webrev/1-root-full/ The root changes are relative to the T&L snapshot for JDK8-B30 and are targeted at JDK8-B33. Thanks, in advance, for any review comments. Dan
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