Re: [Qemu-devel] linux-user target

[Stuart Anderson <anderson@netsweng.com>]

On Wed, 18 Apr 2007, J. Mayer wrote:

> You're right: I think all TLS specific code is located in the glibc.

In my last tracing through qemu.log, I did check for r2 references, and
there was one store near the beginning that looked like what glibc would
do (r2 = ptr+0x700), and the rest of the access were reads of r2.


> It may be related to some of the library versions installed in
> your 64 bits environment that would not be the same as the one used in
> the 32 bits environment.

Both are current Debian etch systems, a real x86_64, and a real x86.
Both are running the same library versions.

ii  libc6                  2.3.6.ds1-13 GNU C Library: Shared libraries


> One important
> precision that may make a big difference: I always use gcc 3.4 to
> compile because I know several  gcc 4.x bugs (crash during ISO C
> compliant code and/or incorrect generated asm instructions), then I do
> not consider gcc 4.x as usable for a production environment today.

I'm using gcc-3.4 as well.

ii  gcc-3.4                3.4.6-5 The GNU C compiler
ii  gcc-3.4-base           3.4.6-5 The GNU Compiler Collection (base package)



                                 Stuart

Stuart R. Anderson                               anderson@netsweng.com
Network & Software Engineering                   http://www.netsweng.com/
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