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Title "ELFEDIT 1" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
elfedit - update ELF header and program property of ELF files Header "SYNOPSIS" elfedit [--input-mach=machine] [--input-type=type] [--input-osabi=osabi] [--input-abiversion=version] --output-mach=machine --output-type=type --output-osabi=osabi --output-abiversion=version --enable-x86-feature=feature --disable-x86-feature=feature [-v|--version] [-h|--help] elffile... Header "DESCRIPTION" \fBelfedit updates the ELF header and program property of ELF files which have the matching ELF machine and file types. The options control how and which fields in the ELF header and program property should be updated.

\fIelffile... are the ELF files to be updated. 32-bit and 64-bit ELF files are supported, as are archives containing ELF files.

Header "OPTIONS" The long and short forms of options, shown here as alternatives, are equivalent. At least one of the --output-mach, \fB--output-type, --output-osabi, \fB--output-abiversion, \fB--enable-x86-feature and --disable-x86-feature options must be given. Item "--input-mach=machine" Set the matching input ELF machine type to machine. If \fB--input-mach isn't specified, it will match any ELF machine types. .Sp The supported ELF machine types are, i386, IAMCU, L1OM, \fIK1OM and x86-64. Item "--output-mach=machine" Change the ELF machine type in the ELF header to machine. The supported ELF machine types are the same as --input-mach. Item "--input-type=type" Set the matching input ELF file type to type. If \fB--input-type isn't specified, it will match any ELF file types. .Sp The supported ELF file types are, rel, exec and dyn. Item "--output-type=type" Change the ELF file type in the ELF header to type. The supported ELF types are the same as --input-type. Item "--input-osabi=osabi" Set the matching input ELF file OSABI to osabi. If \fB--input-osabi isn't specified, it will match any ELF OSABIs. .Sp The supported ELF OSABIs are, none, HPUX, NetBSD, \fIGNU, Linux (alias for GNU), \fISolaris, AIX, Irix, \fIFreeBSD, TRU64, Modesto, OpenBSD, OpenVMS, \fINSK, AROS and FenixOS. Item "--output-osabi=osabi" Change the ELF OSABI in the ELF header to osabi. The supported ELF OSABI are the same as --input-osabi. Item "--input-abiversion=version" Set the matching input ELF file ABIVERSION to version. \fIversion must be between 0 and 255. If --input-abiversion isn't specified, it will match any ELF ABIVERSIONs. Item "--output-abiversion=version" Change the ELF ABIVERSION in the ELF header to version. \fIversion must be between 0 and 255. Item "--enable-x86-feature=feature" Set the feature bit in program property in exec or dyn ELF files with machine types of i386 or x86-64. The supported features are, ibt, shstk, lam_u48 and \fIlam_u57. Item "--disable-x86-feature=feature" Clear the feature bit in program property in exec or \fIdyn ELF files with machine types of i386 or x86-64. The supported features are the same as --enable-x86-feature. .Sp Note: --enable-x86-feature and --disable-x86-feature are available only on hosts with mmap support. Item "-v"

0

Item "--version"

Display the version number of elfedit.

Item "-h"

0

Item "--help"

Display the command-line options understood by elfedit.

Item "@file" Read command-line options from file. The options read are inserted in place of the original @file option. If file does not exist, or cannot be read, then the option will be treated literally, and not removed. .Sp Options in file are separated by whitespace. A whitespace character may be included in an option by surrounding the entire option in either single or double quotes. Any character (including a backslash) may be included by prefixing the character to be included with a backslash. The file may itself contain additional @file options; any such options will be processed recursively. Header "SEE ALSO" \fBreadelf\|(1), and the Info entries for binutils. Header "COPYRIGHT" Copyright (c) 1991-2024 Free Software Foundation, Inc.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".