[LLVMdev] VMKit Development

[Akshat Gupta]

Hi,
Going ahead, the llvm-ld seems to segfault (build on Linux with llvm-ld
v3.0svn build):

make[2]: Entering directory `/root/code/vmkit/mmtk/mmtk-j3'
llvm[2]: Building Debug+Asserts Bytecode Module MMTKRuntime.bc
0  llvm-ld   0x0884c66e
1  llvm-ld   0x0884c3fb
2            0xb7891400 __kernel_sigreturn + 0
3  llvm-ld   0x083be9e9 llvm::isa_impl<llvm::Constant,
llvm::Value>::doit(llvm::Value const&) + 29
4  llvm-ld   0x083ccba4 llvm::isa_impl_cl<llvm::Constant,
llvm::Value*>::doit(llvm::Value const*) + 29
5  llvm-ld   0x083cb81c llvm::isa_impl_wrap<llvm::Constant, llvm::Value*,
llvm::Value*>::doit(llvm::Value* const&) + 31
6  llvm-ld   0x083c94bf llvm::isa_impl_wrap<llvm::Constant, llvm::Use,
llvm::Value*>::doit(llvm::Use const&) + 43
7  llvm-ld   0x083c5fe3 bool llvm::isa<llvm::Constant, llvm::Use>(llvm::Use
const&) + 29
8  llvm-ld   0x083c1cc6 llvm::cast_retty<llvm::Constant,
llvm::Use>::ret_type llvm::cast<llvm::Constant, llvm::Use>(llvm::Use const&)
+ 29
9  llvm-ld   0x083c04de llvm::GlobalAlias::getOperand(unsigned int) const +
70
10 llvm-ld   0x083de0d1 llvm::GlobalAlias::getAliasee() + 37
11 llvm-ld   0x083dc3c6
12 llvm-ld   0x083dcdb5
13 llvm-ld   0x083dce74 llvm::Linker::LinkModules(llvm::Module*,
llvm::Module*, std::string*) + 64
14 llvm-ld   0x083d949a llvm::Linker::LinkInModule(llvm::Module*,
std::string*) + 46
15 llvm-ld   0x083d926c llvm::Linker::LinkInFile(llvm::sys::Path const&,
bool&) + 1524
16 llvm-ld   0x083d943d
llvm::Linker::LinkInFiles(std::vector<llvm::sys::Path,
std::allocator<llvm::sys::Path> > const&) + 67
17 llvm-ld   0x083ad740 main + 1329
18 libc.so.6 0xb75d3cc6 __libc_start_main + 230
19 llvm-ld   0x083a67c1
Stack dump:
0.    Program arguments: /root/code/llvm/Debug+Asserts/bin/llvm-ld -r -o
/root/code/vmkit/Debug+Asserts/lib/MMTKRuntime.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/ActivePlan.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Assert.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Collection.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/FinalizableProcessor.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Lock.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/MMTk_Events.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Memory.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/ObjectModel.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/ReferenceProcessor.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/RuntimeHelpers.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Scanning.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Selected.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Statistics.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/Strings.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/SynchronizedCounter.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/TraceInterface.bc
/root/code/vmkit/mmtk/mmtk-j3/Debug+Asserts/VM.bc
make[2]: *** [/root/code/vmkit/Debug+Asserts/lib/MMTKRuntime.bc]
Segmentation fault
make[2]: Leaving directory `/root/code/vmkit/mmtk/mmtk-j3'
make[1]: *** [all] Error 1
make[1]: Leaving directory `/root/code/vmkit/mmtk'
make: *** [all] Error 1

Any pointers on how I can debug this?

Thanks,
Akshat

On Thu, Aug 18, 2011 at 1:45 AM, Nicolas Geoffray <
nicolas.geoffray at gmail.com> wrote:

> Hi Akshat,
>
> Did you compile LLVM before compiling VMKit? libLLVMLinker.so is a shared
> library from LLVM.
>
> Cheers,
> Nicolas
>
> On Thu, Aug 18, 2011 at 3:42 AM, Akshat Gupta <g.akshat at gmail.com> wrote:
>
>> Hi,
>> I was just curious if VMKit development is still going on.
>>
>> Also while building VMKit I am getting error at link stage:
>>
>> make[1]: Entering directory `/code/vmkit/tools/vmjc'
>> llvm[1]: Linking Debug+Asserts executable vmjc
>> /usr/lib/gcc/i686-pc-linux-gnu/4.4.5/../../../../i686-pc-linux-gnu/bin/ld:
>> cannot find -lLLVMLinker
>> collect2: ld returned 1 exit status
>>
>> I have installed but I am not able to use the llvm linker to link this
>> application.
>> I tried using LD=llvm-ld  during make, but it does not help.
>>
>> Any idea on how this can be solved?
>>
>> Thanks,
>> Akshat
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>
>


-- 
Akshat Gupta
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