diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /gnu/usr.bin/ld/ldd |
initial import of NetBSD tree
Diffstat (limited to 'gnu/usr.bin/ld/ldd')
-rw-r--r-- | gnu/usr.bin/ld/ldd/Makefile | 7 | ||||
-rw-r--r-- | gnu/usr.bin/ld/ldd/ldd.1 | 65 | ||||
-rw-r--r-- | gnu/usr.bin/ld/ldd/ldd.c | 155 |
3 files changed, 227 insertions, 0 deletions
diff --git a/gnu/usr.bin/ld/ldd/Makefile b/gnu/usr.bin/ld/ldd/Makefile new file mode 100644 index 00000000000..c9a2958953d --- /dev/null +++ b/gnu/usr.bin/ld/ldd/Makefile @@ -0,0 +1,7 @@ +# $NetBSD: Makefile,v 1.5 1995/10/09 00:09:39 pk Exp $ + +PROG= ldd +SRCS= ldd.c +BINDIR= /usr/bin + +.include <bsd.prog.mk> diff --git a/gnu/usr.bin/ld/ldd/ldd.1 b/gnu/usr.bin/ld/ldd/ldd.1 new file mode 100644 index 00000000000..749d8333979 --- /dev/null +++ b/gnu/usr.bin/ld/ldd/ldd.1 @@ -0,0 +1,65 @@ +.\" $NetBSD: ldd.1,v 1.2 1995/10/08 23:39:58 pk Exp $ +.\" +.\" Copyright (c) 1993 Paul Kranenburg +.\" 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 Paul Kranenburg. +.\" 3. The name of the author may not be used to endorse or promote products +.\" derived from this software without specific prior written permission +.\" +.\" 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. +.\" +.Dd October 22, 1993 +.Dt LDD 1 +.Os NetBSD +.Sh NAME +.Nm ldd +.Nd list dynamic object dependencies +.Sh SYNOPSIS +.Nm ldd +.Op Fl f Ar format +.Ar program ... +.Sh DESCRIPTION +.Nm ldd +displays all shared objects that are needed to run the given program. +Contrary to nm(1), the list includes +.Dq indirect +depedencies that are the result of needed shared objects which themselves +depend on yet other shared objects. +Zero, one or two +.Fl f +options may be given. The argument is a format string passed to +.Xr rtld 1 +and allows customization of +.Nm ldd Ns 's +output. See +.Xr rtld 1 +for a list of recognised conversion characters. +.Sh SEE ALSO +.Xr ld 1 , +.Xr ld.so 1 , +.Xr nm 1 +.Sh HISTORY +A +.Nm ldd +utility first appeared in SunOS 4.0, it appeared in its current form +in NetBSD 0.9a. diff --git a/gnu/usr.bin/ld/ldd/ldd.c b/gnu/usr.bin/ld/ldd/ldd.c new file mode 100644 index 00000000000..2523addf80e --- /dev/null +++ b/gnu/usr.bin/ld/ldd/ldd.c @@ -0,0 +1,155 @@ +/* $NetBSD: ldd.c,v 1.12 1995/10/09 00:14:41 pk Exp $ */ +/* + * Copyright (c) 1993 Paul Kranenburg + * 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 Paul Kranenburg. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * 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/stat.h> +#include <sys/file.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <sys/wait.h> +#include <a.out.h> +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +void +usage() +{ + extern char *__progname; + + fprintf(stderr, "Usage: %s <filename> ...\n", __progname); + exit(1); +} + +int +main(argc, argv) +int argc; +char *argv[]; +{ + char *fmt1 = NULL, *fmt2 = NULL; + int rval; + int c; + + while ((c = getopt(argc, argv, "f:")) != EOF) { + switch (c) { + case 'f': + if (fmt1) { + if (fmt2) + errx(1, "Too many formats"); + fmt2 = optarg; + } else + fmt1 = optarg; + break; + default: + usage(); + /*NOTREACHED*/ + } + } + argc -= optind; + argv += optind; + + if (argc <= 0) { + usage(); + /*NOTREACHED*/ + } + + /* ld.so magic */ + setenv("LD_TRACE_LOADED_OBJECTS", "", 1); + if (fmt1) + setenv("LD_TRACE_LOADED_OBJECTS_FMT1", fmt1, 1); + if (fmt2) + setenv("LD_TRACE_LOADED_OBJECTS_FMT2", fmt2, 1); + + rval = 0; + while (argc--) { + int fd; + struct exec hdr; + int status; + + if ((fd = open(*argv, O_RDONLY, 0)) < 0) { + warn("%s", *argv); + rval |= 1; + argv++; + continue; + } + if (read(fd, &hdr, sizeof hdr) != sizeof hdr + || (N_GETFLAG(hdr) & EX_DPMASK) != EX_DYNAMIC +#if 1 /* Compatibility */ + || hdr.a_entry < __LDPGSZ +#endif + ) { + + warnx("%s: not a dynamic executable", *argv); + (void)close(fd); + rval |= 1; + argv++; + continue; + } + (void)close(fd); + + setenv("LD_TRACE_LOADED_OBJECTS_PROGNAME", *argv, 1); + if (fmt1 == NULL && fmt2 == NULL) + /* Default formats */ + printf("%s:\n", *argv); + fflush(stdout); + + switch (fork()) { + case -1: + err(1, "fork"); + break; + default: + if (wait(&status) <= 0) { + warn("wait"); + rval |= 1; + } else if (WIFSIGNALED(status)) { + fprintf(stderr, "%s: signal %d\n", + *argv, WTERMSIG(status)); + rval |= 1; + } else if (WIFEXITED(status) && WEXITSTATUS(status)) { + fprintf(stderr, "%s: exit status %d\n", + *argv, WEXITSTATUS(status)); + rval |= 1; + } + break; + case 0: + rval |= execl(*argv, *argv, NULL) != 0; + perror(*argv); + _exit(1); + } + argv++; + } + + return rval; +} |