http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49016
--- Comment #9 from Lee Merrill <merrill_707_1 at yahoo dot com> 2011-05-17 14:47:34 UTC --- (In reply to comment #8) > ... the ABI says that 128 bytes below the %rsp are > reserved, so the interrupt code first needs to subtract 128 from %rsp before > calling any functions and must not modify that area. Thanks for your reply, yet the interrupt itself will modify the next 24 bytes below %rsp, in storing flags / cs / rip. So then this area would be corrupted, which indeed I am seeing.
