Re: [uml-devel] fixing ptrace for ARM

[BlaisorBlade <bla...@ya...>]

Alle 19:19, venerd=EC 27 agosto 2004, Sam T Sander ha scritto:
> As a first step toward porting UML to ARM, I need to fix ptrace to modify
> system call numbers.  Unfortunately, I don't know where to start.  Can
> anyone point me in the right direction? Has anyone looked into this for A=
RM
> or any of the other ports?  What was changed in the X86 ptrace to fix it?
I think that the work must be done in the stack layout on ptracing (read th=
e=20
handle_trap() function for what UML does). But also see this URL:=20

http://perso.wanadoo.fr/laurent.vivier/UML/

One of the nice thing of those patches is that if you implement something=20
similar (which is a lot easier IMHO) you don't need to be able to change=20
system call numbers.
=2D-=20
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729