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| .\" ======================================================================== |
| .\" |
| .IX Title "READELF 1" |
| .TH READELF 1 "2015-06-03" "binutils-2.17.ARC_2.3" "GNU Development Tools" |
| .\" For nroff, turn off justification. Always turn off hyphenation; it makes |
| .\" way too many mistakes in technical documents. |
| .if n .ad l |
| .nh |
| .SH "NAME" |
| readelf \- Displays information about ELF files. |
| .SH "SYNOPSIS" |
| .IX Header "SYNOPSIS" |
| readelf [\fB\-a\fR|\fB\-\-all\fR] |
| [\fB\-h\fR|\fB\-\-file\-header\fR] |
| [\fB\-l\fR|\fB\-\-program\-headers\fR|\fB\-\-segments\fR] |
| [\fB\-S\fR|\fB\-\-section\-headers\fR|\fB\-\-sections\fR] |
| [\fB\-g\fR|\fB\-\-section\-groups\fR] |
| [\fB\-t\fR|\fB\-\-section\-details\fR] |
| [\fB\-e\fR|\fB\-\-headers\fR] |
| [\fB\-s\fR|\fB\-\-syms\fR|\fB\-\-symbols\fR] |
| [\fB\-n\fR|\fB\-\-notes\fR] |
| [\fB\-r\fR|\fB\-\-relocs\fR] |
| [\fB\-u\fR|\fB\-\-unwind\fR] |
| [\fB\-d\fR|\fB\-\-dynamic\fR] |
| [\fB\-V\fR|\fB\-\-version\-info\fR] |
| [\fB\-A\fR|\fB\-\-arch\-specific\fR] |
| [\fB\-D\fR|\fB\-\-use\-dynamic\fR] |
| [\fB\-x\fR <number or name>|\fB\-\-hex\-dump=\fR<number or name>] |
| [\fB\-w[liaprmfFsoR]\fR| |
| \fB\-\-debug\-dump\fR[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames\-interp,=str,=loc,=Ranges]] |
| [\fB\-I\fR|\fB\-histogram\fR] |
| [\fB\-v\fR|\fB\-\-version\fR] |
| [\fB\-W\fR|\fB\-\-wide\fR] |
| [\fB\-H\fR|\fB\-\-help\fR] |
| \fIelffile\fR... |
| .SH "DESCRIPTION" |
| .IX Header "DESCRIPTION" |
| \&\fBreadelf\fR displays information about one or more \s-1ELF\s0 format object |
| files. The options control what particular information to display. |
| .PP |
| \&\fIelffile\fR... are the object files to be examined. 32\-bit and |
| 64\-bit \s-1ELF\s0 files are supported, as are archives containing \s-1ELF\s0 files. |
| .PP |
| This program performs a similar function to \fBobjdump\fR but it |
| goes into more detail and it exists independently of the \s-1BFD\s0 |
| library, so if there is a bug in \s-1BFD\s0 then readelf will not be |
| affected. |
| .SH "OPTIONS" |
| .IX Header "OPTIONS" |
| The long and short forms of options, shown here as alternatives, are |
| equivalent. At least one option besides \fB\-v\fR or \fB\-H\fR must be |
| given. |
| .IP "\fB\-a\fR" 4 |
| .IX Item "-a" |
| .PD 0 |
| .IP "\fB\-\-all\fR" 4 |
| .IX Item "--all" |
| .PD |
| Equivalent to specifying \fB\-\-file\-header\fR, |
| \&\fB\-\-program\-headers\fR, \fB\-\-sections\fR, \fB\-\-symbols\fR, |
| \&\fB\-\-relocs\fR, \fB\-\-dynamic\fR, \fB\-\-notes\fR and |
| \&\fB\-\-version\-info\fR. |
| .IP "\fB\-h\fR" 4 |
| .IX Item "-h" |
| .PD 0 |
| .IP "\fB\-\-file\-header\fR" 4 |
| .IX Item "--file-header" |
| .PD |
| Displays the information contained in the \s-1ELF\s0 header at the start of the |
| file. |
| .IP "\fB\-l\fR" 4 |
| .IX Item "-l" |
| .PD 0 |
| .IP "\fB\-\-program\-headers\fR" 4 |
| .IX Item "--program-headers" |
| .IP "\fB\-\-segments\fR" 4 |
| .IX Item "--segments" |
| .PD |
| Displays the information contained in the file's segment headers, if it |
| has any. |
| .IP "\fB\-S\fR" 4 |
| .IX Item "-S" |
| .PD 0 |
| .IP "\fB\-\-sections\fR" 4 |
| .IX Item "--sections" |
| .IP "\fB\-\-section\-headers\fR" 4 |
| .IX Item "--section-headers" |
| .PD |
| Displays the information contained in the file's section headers, if it |
| has any. |
| .IP "\fB\-g\fR" 4 |
| .IX Item "-g" |
| .PD 0 |
| .IP "\fB\-\-section\-groups\fR" 4 |
| .IX Item "--section-groups" |
| .PD |
| Displays the information contained in the file's section groups, if it |
| has any. |
| .IP "\fB\-t\fR" 4 |
| .IX Item "-t" |
| .PD 0 |
| .IP "\fB\-\-section\-details\fR" 4 |
| .IX Item "--section-details" |
| .PD |
| Displays the detailed section information. Implies \fB\-S\fR. |
| .IP "\fB\-s\fR" 4 |
| .IX Item "-s" |
| .PD 0 |
| .IP "\fB\-\-symbols\fR" 4 |
| .IX Item "--symbols" |
| .IP "\fB\-\-syms\fR" 4 |
| .IX Item "--syms" |
| .PD |
| Displays the entries in symbol table section of the file, if it has one. |
| .IP "\fB\-e\fR" 4 |
| .IX Item "-e" |
| .PD 0 |
| .IP "\fB\-\-headers\fR" 4 |
| .IX Item "--headers" |
| .PD |
| Display all the headers in the file. Equivalent to \fB\-h \-l \-S\fR. |
| .IP "\fB\-n\fR" 4 |
| .IX Item "-n" |
| .PD 0 |
| .IP "\fB\-\-notes\fR" 4 |
| .IX Item "--notes" |
| .PD |
| Displays the contents of the \s-1NOTE\s0 segments and/or sections, if any. |
| .IP "\fB\-r\fR" 4 |
| .IX Item "-r" |
| .PD 0 |
| .IP "\fB\-\-relocs\fR" 4 |
| .IX Item "--relocs" |
| .PD |
| Displays the contents of the file's relocation section, if it has one. |
| .IP "\fB\-u\fR" 4 |
| .IX Item "-u" |
| .PD 0 |
| .IP "\fB\-\-unwind\fR" 4 |
| .IX Item "--unwind" |
| .PD |
| Displays the contents of the file's unwind section, if it has one. Only |
| the unwind sections for \s-1IA64\s0 \s-1ELF\s0 files are currently supported. |
| .IP "\fB\-d\fR" 4 |
| .IX Item "-d" |
| .PD 0 |
| .IP "\fB\-\-dynamic\fR" 4 |
| .IX Item "--dynamic" |
| .PD |
| Displays the contents of the file's dynamic section, if it has one. |
| .IP "\fB\-V\fR" 4 |
| .IX Item "-V" |
| .PD 0 |
| .IP "\fB\-\-version\-info\fR" 4 |
| .IX Item "--version-info" |
| .PD |
| Displays the contents of the version sections in the file, it they |
| exist. |
| .IP "\fB\-A\fR" 4 |
| .IX Item "-A" |
| .PD 0 |
| .IP "\fB\-\-arch\-specific\fR" 4 |
| .IX Item "--arch-specific" |
| .PD |
| Displays architecture-specific information in the file, if there |
| is any. |
| .IP "\fB\-D\fR" 4 |
| .IX Item "-D" |
| .PD 0 |
| .IP "\fB\-\-use\-dynamic\fR" 4 |
| .IX Item "--use-dynamic" |
| .PD |
| When displaying symbols, this option makes \fBreadelf\fR use the |
| symbol table in the file's dynamic section, rather than the one in the |
| symbols section. |
| .IP "\fB\-x <number or name>\fR" 4 |
| .IX Item "-x <number or name>" |
| .PD 0 |
| .IP "\fB\-\-hex\-dump=<number or name>\fR" 4 |
| .IX Item "--hex-dump=<number or name>" |
| .PD |
| Displays the contents of the indicated section as a hexadecimal dump. |
| A number identifies a particular section by index in the section table; |
| any other string identifies all sections with that name in the object file. |
| .IP "\fB\-w[liaprmfFsoR]\fR" 4 |
| .IX Item "-w[liaprmfFsoR]" |
| .PD 0 |
| .IP "\fB\-\-debug\-dump[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames\-interp,=str,=loc,=Ranges]\fR" 4 |
| .IX Item "--debug-dump[=line,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges]" |
| .PD |
| Displays the contents of the debug sections in the file, if any are |
| present. If one of the optional letters or words follows the switch |
| then only data found in those specific sections will be dumped. |
| .IP "\fB\-I\fR" 4 |
| .IX Item "-I" |
| .PD 0 |
| .IP "\fB\-\-histogram\fR" 4 |
| .IX Item "--histogram" |
| .PD |
| Display a histogram of bucket list lengths when displaying the contents |
| of the symbol tables. |
| .IP "\fB\-v\fR" 4 |
| .IX Item "-v" |
| .PD 0 |
| .IP "\fB\-\-version\fR" 4 |
| .IX Item "--version" |
| .PD |
| Display the version number of readelf. |
| .IP "\fB\-W\fR" 4 |
| .IX Item "-W" |
| .PD 0 |
| .IP "\fB\-\-wide\fR" 4 |
| .IX Item "--wide" |
| .PD |
| Don't break output lines to fit into 80 columns. By default |
| \&\fBreadelf\fR breaks section header and segment listing lines for |
| 64\-bit \s-1ELF\s0 files, so that they fit into 80 columns. This option causes |
| \&\fBreadelf\fR to print each section header resp. each segment one a |
| single line, which is far more readable on terminals wider than 80 columns. |
| .IP "\fB\-H\fR" 4 |
| .IX Item "-H" |
| .PD 0 |
| .IP "\fB\-\-help\fR" 4 |
| .IX Item "--help" |
| .PD |
| Display the command line options understood by \fBreadelf\fR. |
| .IP "\fB@\fR\fIfile\fR" 4 |
| .IX Item "@file" |
| Read command-line options from \fIfile\fR. The options read are |
| inserted in place of the original @\fIfile\fR option. If \fIfile\fR |
| does not exist, or cannot be read, then the option will be treated |
| literally, and not removed. |
| .Sp |
| Options in \fIfile\fR 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 \fIfile\fR may itself contain additional |
| @\fIfile\fR options; any such options will be processed recursively. |
| .SH "SEE ALSO" |
| .IX Header "SEE ALSO" |
| \&\fIobjdump\fR\|(1), and the Info entries for \fIbinutils\fR. |
| .SH "COPYRIGHT" |
| .IX Header "COPYRIGHT" |
| Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
| 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
| .PP |
| Permission is granted to copy, distribute and/or modify this document |
| under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.1 |
| 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 \*(L"\s-1GNU\s0 Free Documentation License\*(R". |
