/*- * Copyright (c) 1986 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Computer Consoles Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)Acall.c 7.1 (Berkeley) 12/6/90 */ #include "align.h" call(infop) process_info *infop; /* /* Call a procedure with argument list on stack. /* /******************************************************/ { register long removed, mask, new_address, i, next, temp_fp; printf("entering call\n"); removed = operand(infop, 0)->data & 0xffff ; printf("after first call to operand\n"); new_address = operand(infop, 1)->address; printf("in call, removed = 0x%x , new_address=0x%x \n",removed, new_address); push (infop, fp); temp_fp = sp; mask = get_word (infop, new_address) & 0x1fff; /* Only bits 12-0 */ printf("in call, mask = 0x%x , pc=0x%x \n",mask,pc); push (infop, mask << 16 | removed); push (infop, pc); /* Next opcode address */ next = 12; /* Register # to save */ for (i = 0x1000; i != 0; i = i >> 1) { if ( i & mask ) push (infop, Register (infop, next)); next--; } fp = temp_fp; pc = new_address + 2; /* Transfer control */ }