skaller wrote:
BTW: what happens on ia64 which has two? stacks?
You have to search both stacks for GC roots. Only one stack is visible
to normal user code, the regular program stack, and
__builtin_frame_address(0) will point there.
For the other stack, the backing store, you need some
On Mon, 2007-10-22 at 22:58 -0700, Andrew Pinski wrote:
On 10/22/07, skaller [EMAIL PROTECTED] wrote:
Unfortunately, this appears not to work if -fomit-frame-pointer
is used on an x86.
What version of GCC? Since this was fixed for 4.1.0, see
hi, I have some code using __builtin_frame_address(0) to get
the current stack pointer in a 'portable' way.
Unfortunately, this appears not to work if -fomit-frame-pointer
is used on an x86. My system sets that automatically, since
the x86 is a bit short on registers and this is reputed
to help
On 10/22/07, skaller [EMAIL PROTECTED] wrote:
Unfortunately, this appears not to work if -fomit-frame-pointer
is used on an x86.
What version of GCC? Since this was fixed for 4.1.0, see
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=8335 .
Thanks,
Andrew Pinski
