This is the mail archive of the libc-alpha@sources.redhat.com mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: kernel DSO


On Tue, Sep 14, 2004 at 05:40:58PM +1000, Benjamin Herrenschmidt wrote:
> The vdso will be almost identical... except the .dynsym table in the
> vdso is "patched" by the kernel at boot for functions like memcpy
> to point to memcpy_cpumodel, and that sort of thing.

Which would mean a prelink conflict.  Anything that calls memcpy will
need to be relocated, unless you want to commit to a fixed memory
location for memcpy in the vDSO.  I certainly wouldn't want that..

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]