------- Additional Comments From falk at debian dot org 2004-11-01 13:06 ------- (In reply to comment #0) > It appears that the memory for local > variables is not accounted for entirely correctly. There are 1024+ bytes of > local variables, but the stack pointer (%rsp) is only adjusted by 912 bytes. > And it appears local variable "count" is referenced before the stack pointer > (-120(%rsp)).
This is OK, since the AMD64 ABI specifies a 128 byte "red zone" below the stack pointer that the kernel must not touch on an interrupt. If it does, it's a kernel bug. You can try -fno-red-zone to see whether this is actually the problem. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18260
