Random gdbserver question (x86)

[Pedro Alves]

On Wednesday 31 March 2010 18:35:29, Michael Snyder wrote:
> And is that more-or-less true of gdb as well?  I.e., if host/target
> is x86_64-linux, then gdb can debug both 32 and 64 bit apps, but if
> host/target is i386-linux, then gdb can only debug 32 bit apps?

Native gdb yes.  A 32-bit GDB should still be able to debug a
remote/gdbserver 64-bit inferior.

> 
> Actually, I phrase it as a question even though I am pretty sure it
> is true.  My real question is "Why?".  It seems to me that if we just
> included amd64-linux-nat.o and amd64-*-tdep.o in the build, then
> 32-bit gdb should be able to debug 64-bit native apps.

Wouldn't work.  The limitation is on ptrace.

-- 
Pedro Alves