/* align.c 1.1 86/07/20 */ #include "../tahoealign/align.h" /* * Part of the parameter list is set up by locore.s. * First 2 dummy variables MUST BE the first local * variables; leaving place for registers 0 and 1 * which are not preserved by the current C compiler. * Then, the array of structures and the last_operand * HAVE to be in the given order, to correspond to the * description of process_info in 'alignment.h'. */ alignment() { long space_4_Register_1; /* register 1 */ long space_4_Register_0; /* register 0 */ struct oprnd space_4_decoded[4]; long space_4_opcode; long space_4_last_operand; /* Last operand # processed */ long space_4_saved_pc; long space_4_saved_sp; register process_info *infop; infop = (process_info *)&space_4_saved_sp; saved_pc = pc; saved_sp = sp; /* For possible exceptions */ last_operand = -1; /* To get the operand routine going correctly */ opCODE = 0xff & *(char *)pc; pc++; (*Table[opCODE].routine) (infop); /* Call relevant handler */ /* * NOTE: nothing should follow, except the return. * The register variables cannot be trusted anymore, * if an exception is signalled. See 'exception.c' * to understand why. */ }