8264413: Data is written to file header even if its CRC32 was calculated #3261
Many tests under
$ diff dump.log run.log 17c17 < - base_archive_is_default: 0 --- > - base_archive_is_default: 1 19c19 < - base_archive_name_size: 0 --- > - base_archive_name_size: 113
The root cause is that even if the CRC32 is calculated(Line 1902), ArchiveBuilder is still writing data to FileMapInfo(Line 1903):
Now the expected CRC32(serialized in CDS archive) is different from the calculated ones at runtime. This patch addresses this problem, it writes base_archive_name and size into header before calculating CRC32(if needed).
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@kelthuzadx This change now passes all automated pre-integration checks.
After integration, the commit message for the final commit will be:
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Besides, I've added a new dynamic cds test with -XX:+VerifySharedSpaces.
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Pushed as commit de495df.