ARM/Linux OSABI problems (was Re: breakpoints not working in gdbserver)

[Andrew Cagney]

> 
> 
> ... wait!  I know what's wrong.  Does uClibc provide a .note.ABI-tag
> section, like glibc does?  If not, that needs to be corrected, or GDB
> needs to find some other way to recognize uClibc binaries.
> 
> (I should also test kernel debugging using an arm-linux GDB at some
> point.  It used to work, which means that kgdb also expects the linux
> ABI breakpoint, but the kernel certainly doesn't (and shouldn't) have
> a .note.ABI-tag marking indicating it is a Linux userland binary.)

I'll also bug report:

	(gdb) set architecture <machine> <osabi>

the user should be able to force the <osabi> so that they can extract 
themselves from situtations such as this.

Andrew