diff options
Diffstat (limited to 'sys/arch/mvme68k/stand/libsa/exec.c')
| -rw-r--r-- | sys/arch/mvme68k/stand/libsa/exec.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/sys/arch/mvme68k/stand/libsa/exec.c b/sys/arch/mvme68k/stand/libsa/exec.c deleted file mode 100644 index 343f4d1a0c0..00000000000 --- a/sys/arch/mvme68k/stand/libsa/exec.c +++ /dev/null @@ -1,177 +0,0 @@ -/* $NetBSD: exec.c,v 1.1.1.1.2.1 1995/10/12 22:47:56 chuck Exp $ */ - -/*- - * Copyright (c) 1982, 1986, 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * 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. - * - * @(#)boot.c 8.1 (Berkeley) 6/10/93 - */ - -#include <sys/param.h> -#include <a.out.h> - -#include "stand.h" - -extern int debug; - -/*ARGSUSED*/ -int -exec_mvme(file, loadaddr, boothowto) - char *file; - char *loadaddr; - int boothowto; -{ - register int io; - struct exec x; - int cc, magic; - void (*entry)(); - register char *cp; - register int *ip; - -#ifdef DEBUG - printf("exec: file=%s loadaddr=0x%x\n", file, loadaddr); -#endif - - io = open(file, 0); - if (io < 0) - return(-1); - - /* - * Read in the exec header, and validate it. - */ - if (read(io, (char *)&x, sizeof(x)) != sizeof(x)) - goto shread; - if (N_BADMAG(x)) { - errno = EFTYPE; - goto closeout; - } - - cp = loadaddr; - magic = N_GETMAGIC(x); - if (magic == ZMAGIC) - cp += sizeof(x); - entry = (void (*)())x.a_entry; - - /* - * Leave a copy of the exec header before the text. - * The kernel may use this to verify that the - * symbols were loaded by this boot program. - */ - bcopy(&x, cp - sizeof(x), sizeof(x)); - - /* - * Read in the text segment. - */ - printf("%d", x.a_text); - if (read(io, cp, x.a_text) != x.a_text) - goto shread; - cp += x.a_text; - - /* - * NMAGIC may have a gap between text and data. - */ - if (magic == NMAGIC) { - register int mask = N_PAGSIZ(x) - 1; - while ((int)cp & mask) - *cp++ = 0; - } - - /* - * Read in the data segment. - */ - printf("+%d", x.a_data); - if (read(io, cp, x.a_data) != x.a_data) - goto shread; - cp += x.a_data; - - /* - * Zero out the BSS section. - * (Kernel doesn't care, but do it anyway.) - */ - printf("+%d", x.a_bss); - cc = x.a_bss; - while ((int)cp & 3) { - *cp++ = 0; - --cc; - } - ip = (int*)cp; - cp += cc; - while ((char*)ip < cp) - *ip++ = 0; - - /* - * Read in the symbol table and strings. - * (Always set the symtab size word.) - */ - *ip++ = x.a_syms; - cp = (char*) ip; - - if (x.a_syms > 0) { - - /* Symbol table and string table length word. */ - cc = x.a_syms; - printf("+[%d", cc); - cc += sizeof(int); /* strtab length too */ - if (read(io, cp, cc) != cc) - goto shread; - cp += x.a_syms; - ip = (int*)cp; /* points to strtab length */ - cp += sizeof(int); - - /* String table. Length word includes itself. */ - cc = *ip; - printf("+%d]", cc); - cc -= sizeof(int); - if (cc <= 0) - goto shread; - if (read(io, cp, cc) != cc) - goto shread; - cp += cc; - } - printf("=0x%x\n", cp - loadaddr); - close(io); - - if (debug) { - printf("Debug mode - enter c to continue\n"); - asm(" trap #0"); - } - - printf("Start @ 0x%x ...\n", (int)entry); - (*entry)(boothowto); - panic("exec returned"); - -shread: - printf("exec: short read\n"); - errno = EIO; -closeout: - close(io); - return(-1); -} |