STACK_ALIGN32
align = STACK_ALIGN32;
args->stk_align = STACK_ALIGN32;
ASSERT((minstacksz & (STACK_ALIGN32 - 1)) == 0);
SA32(lwp->lwp_sigaltstack.ss_size) - STACK_ALIGN32);
fp = (caddr_t)((uintptr_t)fp & ~(STACK_ALIGN32 - 1));
#define STACK_ALIGN STACK_ALIGN32
#define SA32(x) (((x)+(STACK_ALIGN32-1)) & ~(STACK_ALIGN32-1))
!IS_P2ALIGNED((uintptr_t)fr, STACK_ALIGN32))
#define STACK_ALIGN STACK_ALIGN32
#define SA32(X) (((X)+(STACK_ALIGN32-1)) & ~(STACK_ALIGN32-1))
tos = (caddr_t)((uintptr_t)tos & ~(STACK_ALIGN32 - 1ul));
STACK_ALIGN32 -
stack_align = STACK_ALIGN32;