RFR (S): 7143766: add ALT_JDK_IMAGE_DIR and improve test_jdk

[Christian Thalinger]

On Feb 8, 2012, at 8:14 PM, John Rose wrote:

> Consider rolling in this debug help so "make gamma" works. 
> 
> http://hg.openjdk.java.net/mlvm/mlvm/hotspot/rev/f21b335377b0

Done.  I also added the target for Solaris and Linux, FWIW.  webrev updated.

-- Chris

> 
> -- John  (on my iPhone)
> 
> On Feb 8, 2012, at 5:50 AM, Christian Thalinger <christian.thalinger at oracle.com> wrote:
> 
>> http://cr.openjdk.java.net/~twisti/7143766/
>> 
>> 7143766: add ALT_JDK_IMAGE_DIR and improve test_jdk
>> Reviewed-by:
>> 
>> I'd like to add the possibility to specify JDK_IMAGE_DIR via
>> ALT_JDK_IMAGE_DIR.  This is very helpful during development since it's
>> possible to copy a JDK into a specified directory and export different
>> VM builds to the same JDK.  Doing this you don't have to change any
>> paths (or command line arguments) but use the same java command, e.g.:
>> 
>> $ make copy_product_jdk ALT_JDK_IMAGE_DIR=/foo/jdk
>> $ make jvmg export_debug ALT_EXPORT_DIR=/foo/jdk
>> 
>> And after all your bugs are fixed do a product build, export that and
>> use the same java command:
>> 
>> $ make product export_product ALT_EXPORT_DIR=/foo/jdk
>> 
>> The changes for test_jdk make sure that the right VM is tested.  This
>> might not be the case when you are doing 64-bit builds on Solaris,
>> export the VM and do a test_jdk:
>> 
>> $ make test_jdk LP64=1
>> INFO: no objcopy cmd found so cannot create .debuginfo files.
>> /export/twisti/build/hsx/hotspot-comp/hotspot/build/jdk-solaris/bin/java -server -version
>> java version "1.8.0-ea"
>> Java(TM) SE Runtime Environment (build 1.8.0-ea-b24)
>> Java HotSpot(TM) Server VM (build 23.0-b12, mixed mode)
>> 
>> What you actually want is to run the just-built 64-bit VM, like:
>> 
>> $ make test_jdk LP64=1
>> INFO: no objcopy cmd found so cannot create .debuginfo files.
>> /export/twisti/build/hsx/hotspot-comp/hotspot/build/jdk-solaris/bin/java -d64 -server -Xinternalversion
>> Java HotSpot(TM) 64-Bit Server VM (23.0-b15-internal-jvmg) for solaris-amd64 JRE (1.8.0), built on Feb  8 2012 04:26:02 by "ct232829" with Sun Studio 12u1
>> /export/twisti/build/hsx/hotspot-comp/hotspot/build/jdk-solaris/bin/java -d64 -server -version
>> java version "1.8.0-ea"
>> Java(TM) SE Runtime Environment (build 1.8.0-ea-b24)
>> Java HotSpot(TM) 64-Bit Server VM (build 23.0-b15-internal-jvmg, mixed mode)
>> 
>> I also added printing -Xinternalversion to test_jdk.  This makes it
>> easier to verify the installed VM is the one you just built (and want
>> to test).
>> 
>> make/Makefile
>> make/bsd/makefiles/defs.make
>> make/defs.make
>>