PPC-AIX Port to FreeBSD PowerPC Support
dalibor topic
dalibor.topic at oracle.com
Mon Jan 11 16:27:32 UTC 2016
I'd suggest asking on bsd-port-dev, fwiw.
cheers,
dalibor topic
On 11.01.2016 17:23, Thomas Stüfe wrote:
> Hi Curtis,
>
> I am not sure that AIX ppc would be the best source for an BSD port. AIX
> os port contains a large number of AIX specifics and it is quite a bit
> different (sometimes, needlessly) from the other Unices. It is also a
> moving target, at least on jdk9, as we changed a lot in the AIX os port
> and will change more until the next feature close.
>
> So, it may be that linux ppc would be a better porting source for a bsd
> ppc port.
>
> Kind Regards, Thomas
>
>
>
>
> On Mon, Jan 11, 2016 at 3:21 PM, Curtis Hamilton <hamiltcl at verizon.net
> <mailto:hamiltcl at verizon.net>> wrote:
>
> Volker,____
>
> __ __
>
> Thanks for the response. ____
>
> __ __
>
> Yes, I’m using the mercurial jdk7u ppc-aix version. The reason I
> used this port version was because I was more familiar with the
> build layout of jdk7 versus jdk8/jdk9. And it seemed like an easier
> target to start with, since it already supported ppc64 on AIX and
> Linux.____
>
> __ __
>
> Full disclosure, I’ve been successful in building zero vm for both
> jdk7 and jdk8 on ppc64/FreeBSD. They both work great. The system
> performance is somewhat sluggish, but usable. So I decided to see
> if I could build native ppc64 versions leveraging the existing AIX
> and Linux ppc64 support in the ppc-aix-port, since the bsd-port
> lacks support for PowerPC. ____
>
> __ __
>
> I’m aware of the integration effort for jdk9. So on your advice, I
> will start working with ppc-aix jdk8u. I don’t want anyone to waste
> time with jdk7u. Although my efforts with this older version is not
> completely wasted.____
>
> __ __
>
> I look forward to contributing to the ppc64/bsd port OpenJDK
> integration effort. ____
>
> __ __
>
> Regards,____
>
> Curtis____
>
> __ __
>
> *From:*Volker Simonis [mailto:volker.simonis at gmail.com
> <mailto:volker.simonis at gmail.com>]
> *Sent:* Monday, January 11, 2016 5:22 AM
> *To:* Curtis Hamilton <hamiltcl at verizon.net
> <mailto:hamiltcl at verizon.net>>
> *Cc:* ppc-aix-port-dev at openjdk.java.net
> <mailto:ppc-aix-port-dev at openjdk.java.net>
> *Subject:* Re: PPC-AIX Port to FreeBSD PowerPC Support____
>
> __ __
>
> Hi Curtis,____
>
> no, I'm not aware of any effort to port the ppc64 port to BSD.____
>
> My first question is why are you building jdk7. It is quite old and
> we don't actually support it any more. It was also never integrated
> into the main jdk7u branch. I'd strongly recommend to use at least
> the jdk8u version. If you plan to contribute the ppc64/bsd port for
> integration into the OpenJDK, this has to be done into the head
> revision (currently jdk9) anyway. Once it's there, it may be
> possible to downport it to jdk8u (but not to jdk7u because that on
> doesn't even contain the ppc64 port).____
>
> That said, which version of jdk7u are you using? Is it the one from
> http://hg.openjdk.java.net/ppc-aix-port/jdk7u/ ?____
>
> One problem you may encounter with jdk7u is that it was never
> compiled with new versions of gcc. I see you are using gcc4.8 but we
> used 4.1.2 back then when we were doing the port.____
>
> Another problem is that we didn't support the serviceability agent
> in jdk7u. Support for the SA agent on Linux/ppc64 (but not for AIX)
> was added in jdk8. The error you see in vmStructs.cpp is most
> probably from SA coding. How does your file vmStructs_bsd_ppc.hpp
> looks like. As you can see, vmStructs_linux_ppc.hpp is empty in
> jdk7u for the ppc64 port while it has some code in jdk8u-dev and
> jdk9.____
>
> Unfortunately the place in vmStructs.cpp where the error happens is
> deeply nested macro coding so it's hard to say what's wrong from the
> error message. You could preprocess the file and post that to the
> list, maybe we can see more. Just issue the following command from a
> shell from within
> /usr/ports/tmp/jdk7u/build/bsd-ppc/hotspot/outputdir/bsd_ppc64_compiler2/product:
>
> g++48 -DBSD -DPPC64 -D_ALLBSD_SOURCE -D_GNU_SOURCE -DPRODUCT
> -I/usr/ports/tmp/jdk7u/hotspot/src/share/vm/prims
> -I/usr/ports/tmp/jdk7u/hotspot/src/share/vm
> -I/usr/ports/tmp/jdk7u/hotspot/src/share/vm/precompiled
> -I/usr/ports/tmp/jdk7u/hotspot/src/cpu/ppc/vm
> -I/usr/ports/tmp/jdk7u/hotspot/src/os_cpu/bsd_ppc/vm
> -I/usr/ports/tmp/jdk7u/hotspot/src/os/bsd/vm
> -I/usr/ports/tmp/jdk7u/hotspot/src/os/posix/vm -I../generated
> -DHOTSPOT_RELEASE_VERSION="\"24.80-b11\""
> -DHOTSPOT_BUILD_TARGET="\"product\"" -DHOTSPOT_BUILD_USER="\"root\""
> -DHOTSPOT_LIB_ARCH=\"ppc\" -DHOTSPOT_VM_DISTRO="\"OpenJDK\""
> -DDEFAULT_LIBPATH="\"/lib:/usr/lib:/usr/local/lib\""
> -DTARGET_OS_FAMILY_bsd -DTARGET_ARCH_ppc -DTARGET_ARCH_MODEL_ppc_64
> -DTARGET_OS_ARCH_bsd_ppc -DTARGET_OS_ARCH_MODEL_bsd_ppc_64
> -DTARGET_COMPILER_gcc -DCOMPILER2 -fPIC -fno-rtti -fno-exceptions
> -pthread -fcheck-new -mpowerpc64 -pipe -DDONT_USE_PRECOMPILED_HEADER
> -O3 -fno-strict-aliasing -D_LP64=1 -m64 -mminimal-toc
> -mcpu=powerpc64 -mtune=power5 -minsert-sched-nops=regroup_exact
> -mno-multiple -mno-string -DSAFEFETCH_STUBS -DINCLUDE_TRACE=1
> -Werror -Wpointer-arith -Wconversion -Wsign-compare -E
> /usr/ports/tmp/jdk7u/hotspot/src/share/vm/runtime/vmStructs.cpp____
>
> Regards,____
>
> Volker____
>
> __ __
>
> On Sun, Jan 10, 2016 at 3:04 PM, Curtis Hamilton
> <hamiltcl at verizon.net <mailto:hamiltcl at verizon.net>> wrote:____
>
> Hello,____
>
> I’d like to know if there’s been any work done to support PPC
> for *BSD?____
>
> I’ve hacked both the AIX and Linux PPC headers but have been
> unsuccessful in building HotSpot. All modules seem to build
> with the exception of VMStructs.cpp with the below error.____
>
> /usr/ports/tmp/jdk7u/hotspot/src/share/vm/runtime/vmStructs.cpp:
> In static member function 'static void VMStructs::init()':
> /usr/ports/tmp/jdk7u/hotspot/src/share/vm/runtime/vmStructs.cpp:3015:
> error: cannot convert 'pthread**' to 'pid_t*' in initialization ____
>
> Build log is attached.____
>
> Thanks in advance!____
>
> ____
>
> Curtis____
>
> ____
>
> ____
>
> __ __
>
>
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