Re: mixing 32 and 64 bit?

Lennart Sorensen
2006-06-09T14:54:34Z

On Fri, Jun 09, 2006 at 11:18:56AM +0200, Dieter St?ken wrote:
> I just wonder how some userland applications are able to use 64-bit
> capabilities although they are started by an ELF 32-bit binary. I observed
> this when installing vmware: Even if the binary is an ELF32, it is
> able to provide an 64Bit ABI to its guest OS. Until now I thought a
> process is either 32bit or 64bit. Seems this is not true.
>
> Has some one a good link or entry point about this topic?
> I could not find a matching keyword to search for.

VMware also has some kernel modules, which are compiled in whatever
format the kernel is. I suspect some of this ability comes from those
kernel modules, rather than the user interface you use to control the
vm.

Len Sorensen