registers. E.G., if there are 6 argument registers, and each register is
4 bytes, then __va_stk is set to $sp - (6 * 4); then __va_reg[N*4]
references argument word N for 0 <= N < 6, and __va_stk[N*4] references
registers. E.G., if there are 6 argument registers, and each register is
4 bytes, then __va_stk is set to $sp - (6 * 4); then __va_reg[N*4]
references argument word N for 0 <= N < 6, and __va_stk[N*4] references