Error building hotspot with shark/zero

[Christian Thalinger]

Can you talk to Andrew (CCed) about integrating your changes?

On Feb 5, 2014, at 8:30 PM, Neale Ferguson <neale at sinenomine.net> wrote:

> I  simply followed the instructions and did a hg clone and then used the get_source script to populate everything. 
> 
> I did find a patch that removed generate_stubs etc and things ran to completion. There were certain methods that needed adding to sharkMemoryManager such as allocateCodeSection. Other issues included createPHI and CreateCall parameters having changed. Also llvm-config --ldflags doesn't return -lot info so I had to provide a quick and dirty fix to the generic profile script. 
> 
> 
> -------- Original message --------
> From: Christian Thalinger 
> Date:2014/02/05 23:14 (GMT-05:00) 
> To: Neale Ferguson 
> Cc: hotspot-dev at openjdk.java.net 
> Subject: Re: Error building hotspot with shark/zero 
> 
> This is odd.  What version of OpenJDK 7 are you using as this got fixed a long time ago:
> 
> https://bugs.openjdk.java.net/browse/JDK-7071823
> 
> On Feb 5, 2014, at 7:20 AM, Neale Ferguson <neale at sinenomine.net> wrote:
> 
> > Getting closer with LLVM 3.4 and openJDK. Everything compiles cleanly now but I now crap out with:
> > 
> > Linking vm...
> > sharedRuntime_zero.o: In function `SharedRuntime::generate_stubs()':
> > sharedRuntime_zero.cpp:(.text+0x3bc): multiple definition of `SharedRuntime::generate_stubs()'
> > sharedRuntime.o:sharedRuntime.cpp:(.text+0x1328): first defined here
> > sharedRuntime_zero.o:(.bss+0x18): multiple definition of `SharedRuntime::_wrong_method_blob'
> > sharedRuntime.o:(.bss+0x0): first defined here
> > sharedRuntime_zero.o:(.bss+0x20): multiple definition of `SharedRuntime::_ic_miss_blob'
> > sharedRuntime.o:(.bss+0x8): first defined here
> > sharedRuntime_zero.o:(.bss+0x28): multiple definition of `SharedRuntime::_resolve_opt_virtual_call_blob'
> > sharedRuntime.o:(.bss+0x10): first defined here
> > sharedRuntime_zero.o:(.bss+0x30): multiple definition of `SharedRuntime::_resolve_virtual_call_blob'
> > sharedRuntime.o:(.bss+0x18): first defined here
> > sharedRuntime_zero.o:(.bss+0x38): multiple definition of `SharedRuntime::_resolve_static_call_blob'
> > sharedRuntime.o:(.bss+0x20): first defined heresharedRuntime_zero.o:(.bss+0x8): multiple definition of `SharedRuntime::_polling_page_safepoint_handler_blob'sharedRuntime.o:(.bss+0x38): first defined heresharedRuntime_zero.o:(.bss+0x10): multiple definition of `SharedRuntime::_polling_page_return_handler_blob'sharedRuntime.o:(.bss+0x40): first defined heresharedRuntime_zero.o:(.bss+0x0): multiple definition of `SharedRuntime::_deopt_blob'sharedRuntime.o:(.bss+0x28): first defined herecollect2: ld returned 1 exit statusln: accessing `libjvm.so.1': Too many levels of symbolic links/usr/bin/chcon: failed to get security context of `libjvm.so': Too many levels of symbolic linksERROR: Cannot chcon libjvm.so
> > make[6]: stat: libjvm.so: Too many levels of symbolic links
> > 
> > Both sharedRuntime.cpp and sharedRuntime_zero.cpp have generate_stubs defined and there doesn't appear to be conditional logic that needs to be triggered to stop it, so is it a Makefile thing? As for the "too many levels of symbolic links", because the link failed the symlink ends up pointing to itself.
> > 
> > Neale
> > 
> > On Feb 3, 2014, at 7:08 PM, Christian Thalinger wrote:
> > 
> >> I haven’t tried LLVM 3.4 yet (compiling it right now) but it seems some method signatures have changed. Let’s see if I can make it work...
> >> 
> >> On Feb 3, 2014, at 11:50 AM, Neale Ferguson <neale at sinenomine.net> wrote:
> >> 
> >>> Hi,
> >>> I'm attempting build openJDK7 with SHARK/ZERO and am encountering the following when using llvm-3.4:
> >>> 
> >>> In file included from /home/neale/openjdk7/hotspot/src/share/vm/shark/llvmValue.hpp:30,
> >>>               from /home/neale/openjdk7/hotspot/src/share/vm/shark/sharkBlock.cpp:29:
> >>> /home/neale/openjdk7/hotspot/src/share/vm/shark/sharkContext.hpp: In member function 'llvm::Constant* SharkContext::get_external(const char*, const llvm::FunctionType*)':
> >>> /home/neale/openjdk7/hotspot/src/share/vm/shark/sharkContext.hpp:72: error: invalid conversion from 'const llvm::FunctionType*' to 'llvm::FunctionType*'
> >>> /home/neale/openjdk7/hotspot/src/share/vm/shark/sharkContext.hpp:72: error:   initializing argument 2 of 'llvm::Constant* llvm::Module::getOrInsertFunction(llvm::StringRef, llvm::FunctionType*)'
> >>> 
> >>> line 72 looks like:
> >>> 
> >>> llvm::Constant* get_external(const char*               name,
> >>>                             const llvm::FunctionType* sig) {
> >>>  return module()->getOrInsertFunction(name, sig);
> >>> }
> >>> 
> >>> Before I go too far with this I thought I'd find out if this was a known issue. I note there were other issues getting this far, like where 3.4 keeps its include files (in /usr/include/llvm/IR/...) so there are probably other changes of significance.  
> >>> 
> >>> Neale
> >> 
> >