Review Request: 7009098: SA cannot open core file larger than 2GB

[Poonam Bajaj]

Could I have code reviews for the following fix:

7009098: SA cannot open core file larger than 2GB
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7009098
Webrev: http://cr.openjdk.java.net/~poonam/7009098/webrev.00/

Serviceability Agent on Linux is not able to open core files larger
than 2GB. The fix is to enable the 'Large File Support' by compiling
the libsaproc.so with -D_FILE_OFFSET_BITS=64. This is added to both
agent/src/os/linux/Makefile (which builds SA from agent/make/) and
make/linux/makefiles/saproc.make (which builds SA with Hotspot build).

There is one more change with which SA should first load libraries
from the path specified with SA_ALTROOT rather than loading from
the host system.


Thanks,
Poonam
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