[src/trunk]: src/sys/lib/libsa Remove obsolete exec.c for a.out. It was super...

[tsutsui <tsutsui%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e3f09c846b80
branches:  trunk
changeset: 792674:e3f09c846b80
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sun Jan 12 15:19:57 2014 +0000

description:
Remove obsolete exec.c for a.out. It was superseded by loadfile() long ago.

diffstat:

 sys/lib/libsa/Makefile |    6 +-
 sys/lib/libsa/exec.c   |  165 -------------------------------------------------
 2 files changed, 1 insertions(+), 170 deletions(-)

diffs (189 lines):

diff -r 859c91b42116 -r e3f09c846b80 sys/lib/libsa/Makefile
--- a/sys/lib/libsa/Makefile    Sun Jan 12 00:29:15 2014 +0000
+++ b/sys/lib/libsa/Makefile    Sun Jan 12 15:19:57 2014 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.79 2013/08/21 08:30:50 matt Exp $
+#      $NetBSD: Makefile,v 1.80 2014/01/12 15:19:57 tsutsui Exp $
 
 LIB=   sa
 LIBISPRIVATE?= yes
@@ -28,10 +28,6 @@
        panic.c printf.c qsort.c snprintf.c sprintf.c strerror.c \
        subr_prf.c twiddle.c vsprintf.c checkpasswd.c
 
-.if (${MACHINE_CPU} != "mips")
-SRCS+= exec.c
-.endif
-
 # string routines
 .if ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH} != "x86_64"
 SRCS+= memcmp.c memcpy.c memmove.c memset.c strchr.c
diff -r 859c91b42116 -r e3f09c846b80 sys/lib/libsa/exec.c
--- a/sys/lib/libsa/exec.c      Sun Jan 12 00:29:15 2014 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,165 +0,0 @@
-/*     $NetBSD: exec.c,v 1.28 2009/12/29 20:21:46 elad 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. 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.
- */
-
-#include <sys/param.h>
-#include <sys/reboot.h>
-#ifndef SA_EXEC_ANYOWNER
-#include <sys/stat.h>
-#endif
-#include <sys/exec_aout.h>
-#ifdef _STANDALONE
-#include <lib/libkern/libkern.h>
-#else
-#include <string.h>
-#endif
-
-#include "stand.h"
-
-void
-exec(char *path, char *loadaddr, int howto)
-{
-#ifndef SA_EXEC_ANYOWNER
-       struct stat sb;
-#endif
-       struct exec x;
-       int io, i;
-       char *addr, *ssym, *esym;
-
-       io = open(path, 0);
-       if (io < 0)
-               return;
-
-#ifndef SA_EXEC_ANYOWNER
-       (void) fstat(io, &sb);
-       if (sb.st_uid || (sb.st_mode & 2)) {
-               printf("non-secure file, will not load\n");
-               close(io);
-               errno = EPERM;
-               return;
-       }
-#endif
-
-       i = read(io, (char *)&x, sizeof(x));
-       if (i != sizeof(x) || N_BADMAG(x)) {
-               errno = EFTYPE;
-               return;
-       }
-
-       /* Text */
-       printf("%ld", x.a_text);
-       addr = loadaddr;
-       if (N_GETMAGIC(x) == ZMAGIC) {
-               (void)memcpy(addr, &x, sizeof(x));
-               addr += sizeof(x);
-               x.a_text -= sizeof(x);
-       }
-       if (read(io, (char *)addr, x.a_text) != (ssize_t)x.a_text)
-               goto shread;
-       addr += x.a_text;
-       if (N_GETMAGIC(x) == ZMAGIC || N_GETMAGIC(x) == NMAGIC)
-               while ((long)addr & (N_PAGSIZ(x) - 1))
-                       *addr++ = 0;
-
-       /* Data */
-       printf("+%ld", x.a_data);
-       if (read(io, addr, x.a_data) != (ssize_t)x.a_data)
-               goto shread;
-       addr += x.a_data;
-
-       /* Bss */
-       printf("+%ld", x.a_bss);
-       for (i = 0; i < (int)x.a_bss; i++)
-               *addr++ = 0;
-
-       /* Symbols */
-       ssym = addr;
-       (void)memcpy(addr, &x.a_syms, sizeof(x.a_syms));
-       addr += sizeof(x.a_syms);
-       if (x.a_syms) {
-               printf("+[%ld", x.a_syms);
-               if (read(io, addr, x.a_syms) != (ssize_t)x.a_syms)
-                       goto shread;
-               addr += x.a_syms;
-       }
-
-       i = 0;
-       if (x.a_syms && read(io, &i, sizeof(int)) != sizeof(int))
-               goto shread;
-
-       (void)memcpy(addr, &i, sizeof(int));
-       if (i) {
-               i -= sizeof(int);
-               addr += sizeof(int);
-               if (read(io, addr, i) != i)
-                       goto shread;
-               addr += i;
-       }
-
-       if (x.a_syms) {
-               /* and that many bytes of (debug symbols?) */
-               printf("+%d]", i);
-       }
-
-       close(io);
-
-#define        round_to_size(x) \
-       (((int)(x) + sizeof(int) - 1) & ~(sizeof(int) - 1))
-       esym = (char *)round_to_size(addr - loadaddr);
-#undef round_to_size
-
-       /* and note the end address of all this */
-       printf(" total=0x%lx\n", (u_long)addr);
-
-       /*
-        * Machine-dependent code must now adjust the
-        * entry point.  This used to be done here,
-        * but some systems may need to relocate the
-        * loaded file before jumping to it, and the
-        * displayed start address would be wrong.
-        */
-
-#ifdef EXEC_DEBUG
-       printf("ssym=0x%x esym=0x%x\n", ssym, esym);
-       printf("\n\nReturn to boot...\n");
-       getchar();
-#endif
-
-       machdep_start((char *)x.a_entry, howto, loadaddr, ssym, esym);
-
-       /* exec failed */
-       errno = ENOEXEC;
-       return;
-
-shread:
-       close(io);
-       errno = EIO;
-       return;
-}