diff options
| author | tsutsui <tsutsui@NetBSD.org> | 2014-01-12 15:19:57 +0000 |
|---|---|---|
| committer | tsutsui <tsutsui@NetBSD.org> | 2014-01-12 15:19:57 +0000 |
| commit | 96cf9d1e0764e7537a2fa6450b3011e69f9cbd9e (patch) | |
| tree | 9c312d6177afde33f4709300825956b600b5613c /sys/lib/libsa/exec.c | |
| parent | c82ad6190861fdc5185e7e53ffe5832baf010288 (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 It was superseded by loadfile() long ago.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.c | 165 |
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; -} |
