On Fri, Nov 20, 2009 at 08:34:37PM +0800, Wu Zhangjin wrote: > From: Wu Zhangjin <wuzhangjin@xxxxxxxxx> > > A new option -mmcount-ra-address for gcc 4.5 have been sent by David > Daney <ddaney@xxxxxxxxxxxxxxxxxx> in the thread "MIPS: Add option to > pass return address location to _mcount", which help to record the > location of the return address(ra) for the function graph tracer of MIPS > to hijack the return address easier and safer. that option used the > $12(t0) register by default, so, we reserve it for it, and use t1,t2,t3 > instead of t0,t1,t2. > > Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx> Queued for 2.6.33 but due to patch 3/3 I won't propagate this series immediately to linux-next. Thanks! Ralf
