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diff --git a/man1/ldd.1 b/man1/ldd.1 deleted file mode 100644 index 57e9b40eb..000000000 --- a/man1/ldd.1 +++ /dev/null @@ -1,180 +0,0 @@ -.\" Copyright 1995-2000 David Engel (david@ods.com) -.\" Copyright 1995 Rickard E. Faith (faith@cs.unc.edu) -.\" Copyright 2000 Ben Collins (bcollins@debian.org) -.\" Redone for glibc 2.2 -.\" Copyright 2000 Jakub Jelinek (jakub@redhat.com) -.\" Corrected. -.\" and Copyright (C) 2012, 2016, Michael Kerrisk <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: GPL-1.0-or-later -.\" -.TH ldd 1 (date) "Linux man-pages (unreleased)" -.SH NAME -ldd \- print shared object dependencies -.SH SYNOPSIS -.nf -.BR ldd " [\fIoption\fP]... \fIfile\fP..." -.fi -.SH DESCRIPTION -.B ldd -prints the shared objects (shared libraries) required by each program or -shared object specified on the command line. -An example of its use and output -is the following: -.P -.in +4n -.EX -$ \fBldd /bin/ls\fP - linux\-vdso.so.1 (0x00007ffcc3563000) - libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f87e5459000) - libcap.so.2 => /lib64/libcap.so.2 (0x00007f87e5254000) - libc.so.6 => /lib64/libc.so.6 (0x00007f87e4e92000) - libpcre.so.1 => /lib64/libpcre.so.1 (0x00007f87e4c22000) - libdl.so.2 => /lib64/libdl.so.2 (0x00007f87e4a1e000) - /lib64/ld\-linux\-x86\-64.so.2 (0x00005574bf12e000) - libattr.so.1 => /lib64/libattr.so.1 (0x00007f87e4817000) - libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f87e45fa000) -.EE -.in -.P -In the usual case, -.B ldd -invokes the standard dynamic linker (see -.BR ld.so (8)) -with the -.B LD_TRACE_LOADED_OBJECTS -environment variable set to 1. -This causes the dynamic linker to inspect the program's dynamic dependencies, -and find (according to the rules described in -.BR ld.so (8)) -and load the objects that satisfy those dependencies. -For each dependency, -.B ldd -displays the location of the matching object -and the (hexadecimal) address at which it is loaded. -(The -.I linux\-vdso -and -.I ld\-linux -shared dependencies are special; see -.BR vdso (7) -and -.BR ld.so (8).) -.\" -.SS Security -Be aware that in some circumstances -(e.g., where the program specifies an ELF interpreter other than -.IR ld\-linux.so ), -.\" The circumstances are where the program has an interpreter -.\" other than ld-linux.so. In this case, ldd tries to execute the -.\" program directly with LD_TRACE_LOADED_OBJECTS=1, with the -.\" result that the program interpreter gets control, and can do -.\" what it likes, or pass control to the program itself. -.\" Much more detail at -.\" http://www.catonmat.net/blog/ldd-arbitrary-code-execution/ -some versions of -.B ldd -may attempt to obtain the dependency information -by attempting to directly execute the program, -which may lead to the execution of whatever code is defined -in the program's ELF interpreter, -and perhaps to execution of the program itself. -.\" Mainline glibc's ldd allows this possibility (the line -.\" try_trace "$file" -.\" in glibc 2.15, for example), but many distro versions of -.\" ldd seem to remove that code path from the script. -(Before glibc 2.27, -.\" glibc commit eedca9772e99c72ab4c3c34e43cc764250aa3e3c -the upstream -.B ldd -implementation did this for example, -although most distributions provided a modified version that did not.) -.P -Thus, you should -.I never -employ -.B ldd -on an untrusted executable, -since this may result in the execution of arbitrary code. -A safer alternative when dealing with untrusted executables is: -.P -.in +4n -.EX -$ \fBobjdump \-p /path/to/program | grep NEEDED\fP -.EE -.in -.P -Note, however, that this alternative shows only the direct dependencies -of the executable, while -.B ldd -shows the entire dependency tree of the executable. -.SH OPTIONS -.TP -.B \-\-version -Print the version number of -.BR ldd . -.TP -.B \-\-verbose -.TQ -.B \-v -Print all information, including, for example, -symbol versioning information. -.TP -.B \-\-unused -.TQ -.B \-u -Print unused direct dependencies. -(Since glibc 2.3.4.) -.TP -.B \-\-data\-relocs -.TQ -.B \-d -Perform relocations and report any missing objects (ELF only). -.TP -.B \-\-function\-relocs -.TQ -.B \-r -Perform relocations for both data objects and functions, and -report any missing objects or functions (ELF only). -.TP -.B \-\-help -Usage information. -.\" .SH NOTES -.\" The standard version of -.\" .B ldd -.\" comes with glibc2. -.\" Libc5 came with an older version, still present -.\" on some systems. -.\" The long options are not supported by the libc5 version. -.\" On the other hand, the glibc2 version does not support -.\" .B \-V -.\" and only has the equivalent -.\" .BR \-\-version . -.\" .P -.\" The libc5 version of this program will use the name of a library given -.\" on the command line as-is when it contains a \[aq]/\[aq]; otherwise it -.\" searches for the library in the standard locations. -.\" To run it -.\" on a shared library in the current directory, prefix the name with "./". -.SH BUGS -.B ldd -does not work on a.out shared libraries. -.P -.B ldd -does not work with some extremely old a.out programs which were -built before -.B ldd -support was added to the compiler releases. -If you use -.B ldd -on one of these programs, the program will attempt to run with -.I argc -= 0 and the results will be unpredictable. -.\" .SH AUTHOR -.\" David Engel. -.\" Roland McGrath and Ulrich Drepper. -.SH SEE ALSO -.BR pldd (1), -.BR sprof (1), -.BR ld.so (8), -.BR ldconfig (8) |