tberghammer added a comment.

Hi Greg, can you take a look sometime? Thanks, Tamas



================
Comment at: source/Plugins/Process/elf-core/ProcessElfCore.cpp:733-735
+  if (target_arch.IsMIPS()) {
     return target_arch;
+  }
----------------
nitesh.jain wrote:
> tberghammer wrote:
> > Hi Nitesh,
> > 
> > I tried to remove this MIPS specific code as it shouldn't be necessary if I 
> > add the above MergeFrom for all architecture but if I do it fails LinuxCore
> > TestCase.test_mips_n32.
> > 
> > The issue is that in that case the tripe we get from the core file is 
> > "mipsel--" ("mipsel--linux" after the merge) and the one we get from the 
> > binary is "mips64el--linux". Is it normal to have a seemingly 32bit core 
> > file with a 64bit binary on mips? If not then can I ask you to help me 
> > figure out which one is incorrect?
> > 
> > If it is then I don't see any better short term solution then leaving this 
> > condition here but it feels like a quite big hack what might backfire when 
> > somebody tries to use a core file with a completely incompatible binary.
> > 
> > Thanks,
> > Tamas
> Hi Tamas,
> 
> In MIPS , the core file doesn't contain any Architecture information . It's 
> just specify the generic MIPS architecture. Hence we need to relied on 
> target_arch for correct architecture informations.
> 
> TestCase.test_mips_n32 is "32 bit binary" with triple "mips64el-linux". This 
> binary can only run on 64 bit target as compared to O32 which can run on 
> 32/64 bit target.
Thank you for the explanation. I added a comment to the code to explain it 
better there.


https://reviews.llvm.org/D36046



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