32-bit Thumb-2 breakpoints

[Daniel Jacobowitz]

On Wed, Feb 03, 2010 at 03:30:25PM +0000, Russell King - ARM Linux wrote:
> On Wed, Feb 03, 2010 at 10:19:31AM -0500, Daniel Jacobowitz wrote:
> > On a related note, it would be Very Helpful(TM) if someone would
> > implement read-only access to the helper page via ptrace!  Not as
> > helpful as a visible vDSO with symbol names would be, but it would
> > still make things a lot easier.
> 
> Apart from the TLS value which can be obtained by PTRACE_GET_THREAD_AREA,
> the contents of the page is constant across all processes on all CPUs.

Yes, I'm aware of that - but having it unreadable means special cases
all through GDB, gdbserver, and anything else that wants to read
memory.

If you really think it's the right choice, I can see about hacking
gdb/gdbserver up for this.

-- 
Daniel Jacobowitz
CodeSourcery