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Re: Overflow in relocation type 11 val FFFFFF00104c3688

On 4/30/07, Shawn Bohrer <shawn.bohrer@xxxxxxxxx> wrote:
Hey everyone,

I'm trying to build one of my companies internal test modules on the
x86_64 architecture.  The module is written in C++ so we do not use
the kernel's build system.  When I try to load the module I see the
following error in the kernel prints:

Overflow in relocation type 11 val FFFFFF00104c3688
module likely not compiled with -mcmodel=kernel

Of course the problem is that I am compiling with -mcmodel=kernel and
-mno-red-zone.  Additionally I have built one other module using the
same compile options and it loads fine.  Am I missing some other
compile options?  Is there something wrong with the code?


Well I found the problem though I'm not sure how to fix it.  The
problem is that we define two symbols in our linker script and the
linker doesn't know about the -mcmodel=kernel option.  Is there some
other way to do this in the linker script on 64-bit?

  .ctors        0 :
  {
     ___gNISSCtorStart___ = .;
     KEEP (*(SORT(.ctors.*)))
     KEEP (*(SORT(.ctors)))
     ___gNISSCtorEnd___ = .;
  }
  .dtors        0 :
  {
     ___gNISSDtorStart___ = .;
     KEEP (*(SORT(.dtors.*)))
     KEEP (*(SORT(.dtors)))
     ___gNISSDtorEnd___ = .;
  }

Thanks,
Shawn

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