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authortsutsui <tsutsui@NetBSD.org>2014-01-12 15:19:57 +0000
committertsutsui <tsutsui@NetBSD.org>2014-01-12 15:19:57 +0000
commit96cf9d1e0764e7537a2fa6450b3011e69f9cbd9e (patch)
tree9c312d6177afde33f4709300825956b600b5613c /sys/lib/libsa/exec.c
parentc82ad6190861fdc5185e7e53ffe5832baf010288 (diff)
Remove obsolete exec.c for a.out. It was superseded by loadfile() long ago.
Diffstat (limited to 'sys/lib/libsa/exec.c')
-rw-r--r--sys/lib/libsa/exec.c165
1 files changed, 0 insertions, 165 deletions
diff --git a/sys/lib/libsa/exec.c b/sys/lib/libsa/exec.c
deleted file mode 100644
index 325a68fc728..00000000000
--- a/sys/lib/libsa/exec.c
+++ /dev/null
@@ -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;
-}