diff options
Diffstat (limited to 'usr.bin/strip')
| -rw-r--r-- | usr.bin/strip/Makefile | 10 | ||||
| -rw-r--r-- | usr.bin/strip/strip.1 | 69 | ||||
| -rw-r--r-- | usr.bin/strip/strip.1aout | 69 | ||||
| -rw-r--r-- | usr.bin/strip/strip.c | 259 |
4 files changed, 0 insertions, 407 deletions
diff --git a/usr.bin/strip/Makefile b/usr.bin/strip/Makefile deleted file mode 100644 index f713477..0000000 --- a/usr.bin/strip/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# @(#)Makefile 8.1 (Berkeley) 6/6/93 - -PROG= strip - -install: - install -c -o ${BINOWN} -g ${BINOWN} -m ${BINMODE} strip \ - ${DESTDIR}${BINDIR} - ./strip ${DESTDIR}${BINDIR}/strip - -.include <bsd.prog.mk> diff --git a/usr.bin/strip/strip.1 b/usr.bin/strip/strip.1 deleted file mode 100644 index b131004..0000000 --- a/usr.bin/strip/strip.1 +++ /dev/null @@ -1,69 +0,0 @@ -.\" Copyright (c) 1989, 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. -.\" -.\" @(#)strip.1 8.1 (Berkeley) 6/6/93 -.\" -.Dd June 6, 1993 -.Dt STRIP 1 -.Os -.Sh NAME -.Nm strip -.Nd remove unnecessary information from executable files -.Sh SYNOPSIS -.Nm strip -.Op Fl d -.Ar file ... -.Sh DESCRIPTION -The -.Nm strip -utility -deletes the relocation information and symbol table used by -assemblers, loaders and debuggers. -This significantly -decreases the size of the installed binaries and saves disk space. -.Pp -The options are as follows: -.Bl -tag -width Ds -.It Fl d -Delete only debugging and empty symbols. -.El -.Pp -.Nm Strip -exits 0 on success and 1 if an error occurred. -.Sh SEE ALSO -.Xr cc 1 , -.Xr ld 1 , -.Xr stab 5 -.Sh HISTORY -A -.Nm -command appeared in -.At v6 . diff --git a/usr.bin/strip/strip.1aout b/usr.bin/strip/strip.1aout deleted file mode 100644 index b131004..0000000 --- a/usr.bin/strip/strip.1aout +++ /dev/null @@ -1,69 +0,0 @@ -.\" Copyright (c) 1989, 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. -.\" -.\" @(#)strip.1 8.1 (Berkeley) 6/6/93 -.\" -.Dd June 6, 1993 -.Dt STRIP 1 -.Os -.Sh NAME -.Nm strip -.Nd remove unnecessary information from executable files -.Sh SYNOPSIS -.Nm strip -.Op Fl d -.Ar file ... -.Sh DESCRIPTION -The -.Nm strip -utility -deletes the relocation information and symbol table used by -assemblers, loaders and debuggers. -This significantly -decreases the size of the installed binaries and saves disk space. -.Pp -The options are as follows: -.Bl -tag -width Ds -.It Fl d -Delete only debugging and empty symbols. -.El -.Pp -.Nm Strip -exits 0 on success and 1 if an error occurred. -.Sh SEE ALSO -.Xr cc 1 , -.Xr ld 1 , -.Xr stab 5 -.Sh HISTORY -A -.Nm -command appeared in -.At v6 . diff --git a/usr.bin/strip/strip.c b/usr.bin/strip/strip.c deleted file mode 100644 index 9de05f7..0000000 --- a/usr.bin/strip/strip.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - * Copyright (c) 1988, 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. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1988, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)strip.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/mman.h> - -#include <limits.h> -#include <fcntl.h> -#include <errno.h> -#include <a.out.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -typedef struct exec EXEC; -typedef struct nlist NLIST; - -#define strx n_un.n_strx - -void err __P((int, const char *fmt, ...)); -void s_stab __P((const char *, int, EXEC *)); -void s_sym __P((const char *, int, EXEC *)); -void usage __P((void)); - -int eval; - -int -main(argc, argv) - int argc; - char *argv[]; -{ - register int fd, nb; - EXEC head; - void (*sfcn)__P((const char *, int, EXEC *)); - int ch; - char *fn; - - sfcn = s_sym; - while ((ch = getopt(argc, argv, "d")) != EOF) - switch(ch) { - case 'd': - sfcn = s_stab; - break; - case '?': - default: - usage(); - } - argc -= optind; - argv += optind; - - while (fn = *argv++) { - if ((fd = open(fn, O_RDWR)) < 0 || - (nb = read(fd, &head, sizeof(EXEC))) == -1) { - err(0, "%s: %s", fn, strerror(errno)); - continue; - } - if (nb != sizeof(EXEC) || N_BADMAG(head)) { - err(0, "%s: %s", fn, strerror(EFTYPE)); - continue; - } - sfcn(fn, fd, &head); - if (close(fd)) - err(0, "%s: %s", fn, strerror(errno)); - } - exit(eval); -} - -void -s_sym(fn, fd, ep) - const char *fn; - int fd; - register EXEC *ep; -{ - register off_t fsize; - - /* If no symbols or data/text relocation info, quit. */ - if (!ep->a_syms && !ep->a_trsize && !ep->a_drsize) - return; - - /* - * New file size is the header plus text and data segments. - */ - fsize = N_DATOFF(*ep) + ep->a_data; - - /* Set symbol size and relocation info values to 0. */ - ep->a_syms = ep->a_trsize = ep->a_drsize = 0; - - /* Rewrite the header and truncate the file. */ - if (lseek(fd, (off_t)0, SEEK_SET) == -1 || - write(fd, ep, sizeof(EXEC)) != sizeof(EXEC) || - ftruncate(fd, fsize)) - err(0, "%s: %s", fn, strerror(errno)); -} - -void -s_stab(fn, fd, ep) - const char *fn; - int fd; - EXEC *ep; -{ - register int cnt, len; - register char *nstr, *nstrbase, *p, *strbase; - register NLIST *sym, *nsym; - struct stat sb; - NLIST *symbase; - - /* Quit if no symbols. */ - if (ep->a_syms == 0) - return; - - /* Stat the file. */ - if (fstat(fd, &sb) < 0) { - err(0, "%s: %s", fn, strerror(errno)); - return; - } - - /* Check size. */ - if (sb.st_size > SIZE_T_MAX) { - err(0, "%s: %s", fn, strerror(EFBIG)); - return; - } - - /* Map the file. */ - if ((ep = (EXEC *)mmap(NULL, (size_t)sb.st_size, - PROT_READ | PROT_WRITE, MAP_SHARED, fd, (off_t)0)) == (EXEC *)-1) { - err(0, "%s: %s", fn, strerror(errno)); - return; - } - - /* - * Initialize old and new symbol pointers. They both point to the - * beginning of the symbol table in memory, since we're deleting - * entries. - */ - sym = nsym = symbase = (NLIST *)((char *)ep + N_SYMOFF(*ep)); - - /* - * Allocate space for the new string table, initialize old and - * new string pointers. Handle the extra long at the beginning - * of the string table. - */ - strbase = (char *)ep + N_STROFF(*ep); - if ((nstrbase = malloc((u_int)*(u_long *)strbase)) == NULL) - err(1, "%s", strerror(errno)); - nstr = nstrbase + sizeof(u_long); - - /* - * Read through the symbol table. For each non-debugging symbol, - * copy it and save its string in the new string table. Keep - * track of the number of symbols. - */ - for (cnt = ep->a_syms / sizeof(NLIST); cnt--; ++sym) - if (!(sym->n_type & N_STAB) && sym->strx) { - *nsym = *sym; - nsym->strx = nstr - nstrbase; - p = strbase + sym->strx; - len = strlen(p) + 1; - bcopy(p, nstr, len); - nstr += len; - ++nsym; - } - - /* Fill in new symbol table size. */ - ep->a_syms = (nsym - symbase) * sizeof(NLIST); - - /* Fill in the new size of the string table. */ - *(u_long *)nstrbase = len = nstr - nstrbase; - - /* - * Copy the new string table into place. Nsym should be pointing - * at the address past the last symbol entry. - */ - bcopy(nstrbase, (void *)nsym, len); - - /* Truncate to the current length. */ - if (ftruncate(fd, (char *)nsym + len - (char *)ep)) - err(0, "%s: %s", fn, strerror(errno)); - munmap((caddr_t)ep, (size_t)sb.st_size); -} - -void -usage() -{ - (void)fprintf(stderr, "usage: strip [-d] file ...\n"); - exit(1); -} - -#if __STDC__ -#include <stdarg.h> -#else -#include <varargs.h> -#endif - -void -#if __STDC__ -err(int fatal, const char *fmt, ...) -#else -err(fatal, fmt, va_alist) - int fatal; - char *fmt; - va_dcl -#endif -{ - va_list ap; -#if __STDC__ - va_start(ap, fmt); -#else - va_start(ap); -#endif - (void)fprintf(stderr, "strip: "); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - (void)fprintf(stderr, "\n"); - if (fatal) - exit(1); - eval = 1; -} |
