diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2013-07-05 21:33:37 +0000 |
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committer | Miod Vallat <miod@cvs.openbsd.org> | 2013-07-05 21:33:37 +0000 |
commit | 2c6c0cc6f9a1fa70088645c634c08484a7584ec0 (patch) | |
tree | e82af00f372b3baecc0e8ae3d58ea9bb3221a566 /usr.sbin/config | |
parent | e76d867751be2b691abbb7c538b256d11f00fdbe (diff) |
More a.out files leave the party.
Diffstat (limited to 'usr.sbin/config')
-rw-r--r-- | usr.sbin/config/exec_aout.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/usr.sbin/config/exec_aout.c b/usr.sbin/config/exec_aout.c deleted file mode 100644 index 5641d0a6329..00000000000 --- a/usr.sbin/config/exec_aout.c +++ /dev/null @@ -1,173 +0,0 @@ -/* $OpenBSD: exec_aout.c,v 1.11 2011/10/02 22:20:49 edd Exp $ */ - -/* - * Copyright (c) 1999 Mats O Jansson. 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - */ - -#include <sys/types.h> -#include <sys/exec.h> - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <nlist.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#include "config.h" -#include "ukc.h" - -caddr_t aout_p, aout_r; -unsigned long aout_psz = 0, aout_rsz = 0; -struct exec aout_ex; -unsigned long aout_adjvalue = 0; -unsigned long aout_datashift = 0; - -void -aout_computeadj(void) -{ - aout_adjvalue = (unsigned long)aout_p + - N_TXTOFF(aout_ex) - nl[P_KERNEL_TEXT].n_value; - - /* - * On m68k a.out ZMAGIC kernel, kernel_text begins _after_ the a.out - * header, so compensate for it. - */ - if (nl[P_KERNEL_TEXT].n_value & (__LDPGSZ - 1)) - aout_adjvalue += sizeof(aout_ex); - - /* - * On NMAGIC kernel, we need an extra relocation for the data area - */ - aout_datashift = (N_DATADDR(aout_ex) - N_TXTADDR(aout_ex)) - - aout_ex.a_text; -} - -/* ``kernel'' vaddr -> in-memory address */ -caddr_t -aout_adjust(caddr_t x) -{ - - if (aout_adjvalue == 0) - aout_computeadj(); - - if (aout_datashift != 0 && - (unsigned long)x >= N_DATADDR(aout_ex) - N_TXTADDR(aout_ex)) - x -= aout_datashift; - - return (x + aout_adjvalue); -} - -/* in-memory address -> ``kernel'' vaddr */ -caddr_t -aout_readjust(caddr_t x) -{ - caddr_t y; - -#if 0 /* unnecessary, aout_adjust() is always invoked first */ - if (aout_adjvalue == 0) - aout_computeadj(); -#endif - - y = x - aout_adjvalue; - if (aout_datashift != 0 && - (unsigned long)y >= N_TXTADDR(aout_ex) + aout_ex.a_text) - y += aout_datashift; - - return (y); -} - -int -aout_check(char *file) -{ - int fd, ret = 1; - - if ((fd = open(file, O_RDONLY | O_EXLOCK, 0)) < 0) - return (0); - if (read(fd, (char *)&aout_ex, sizeof(aout_ex)) != sizeof(aout_ex)) - ret = 0; - if (ret) { - if (N_BADMAG(aout_ex)) - ret = 0; - } - - close(fd); - return (ret); -} - -void -aout_loadkernel(char *file) -{ - int fd; - off_t cur, end; - - if ((fd = open(file, O_RDONLY | O_EXLOCK, 0)) < 0) - err(1, "%s", file); - - if (read(fd, (char *)&aout_ex, sizeof(aout_ex)) != sizeof(aout_ex)) - errx(1, "can't read a.out header"); - - if (N_BADMAG(aout_ex)) - errx(1, "bad a.out magic"); - - lseek(fd, (off_t)0, SEEK_SET); - - aout_psz = (int)(aout_ex.a_text + N_TXTOFF(aout_ex) + - aout_ex.a_data); - - aout_p = emalloc(aout_psz); - - if (read(fd, aout_p, aout_psz) != aout_psz) - errx(1, "can't read a.out text and data"); - - cur = lseek(fd, (off_t)0, SEEK_CUR); - end = lseek(fd, (off_t)0, SEEK_END); - (void)lseek(fd, cur, SEEK_SET); - - aout_rsz = (int)(end - cur); - - aout_r = emalloc(aout_rsz); - - if (read(fd, aout_r, aout_rsz) != aout_rsz) - errx(1, "can't read rest of file %s", file); - - close(fd); -} - -void -aout_savekernel(char *outfile) -{ - int fd; - - if ((fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, 0755)) < 0) - err(1, "%s", outfile); - - if (write(fd, aout_p, aout_psz) != aout_psz) - errx(1, "can't write a.out text and data"); - - if (write(fd, aout_r, aout_rsz) != aout_rsz) - errx(1, "can't write rest of file %s", outfile); - - close(fd); -} |