316 lines
10 KiB
Groff
316 lines
10 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "ADDR2LINE 1"
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.TH ADDR2LINE 1 "2017-02-16" "binutils-2.27.0" "GNU Development Tools"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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addr2line \- convert addresses into file names and line numbers.
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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addr2line [\fB\-a\fR|\fB\-\-addresses\fR]
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[\fB\-b\fR \fIbfdname\fR|\fB\-\-target=\fR\fIbfdname\fR]
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[\fB\-C\fR|\fB\-\-demangle\fR[=\fIstyle\fR]]
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[\fB\-e\fR \fIfilename\fR|\fB\-\-exe=\fR\fIfilename\fR]
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[\fB\-f\fR|\fB\-\-functions\fR] [\fB\-s\fR|\fB\-\-basename\fR]
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[\fB\-i\fR|\fB\-\-inlines\fR]
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[\fB\-p\fR|\fB\-\-pretty\-print\fR]
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[\fB\-j\fR|\fB\-\-section=\fR\fIname\fR]
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[\fB\-H\fR|\fB\-\-help\fR] [\fB\-V\fR|\fB\-\-version\fR]
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[addr addr ...]
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fBaddr2line\fR translates addresses into file names and line numbers.
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Given an address in an executable or an offset in a section of a relocatable
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object, it uses the debugging information to figure out which file name and
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line number are associated with it.
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.PP
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The executable or relocatable object to use is specified with the \fB\-e\fR
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option. The default is the file \fIa.out\fR. The section in the relocatable
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object to use is specified with the \fB\-j\fR option.
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.PP
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\&\fBaddr2line\fR has two modes of operation.
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.PP
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In the first, hexadecimal addresses are specified on the command line,
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and \fBaddr2line\fR displays the file name and line number for each
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address.
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.PP
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In the second, \fBaddr2line\fR reads hexadecimal addresses from
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standard input, and prints the file name and line number for each
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address on standard output. In this mode, \fBaddr2line\fR may be used
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in a pipe to convert dynamically chosen addresses.
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.PP
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The format of the output is \fB\s-1FILENAME:LINENO\s0\fR. By default
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each input address generates one line of output.
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.PP
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Two options can generate additional lines before each
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\&\fB\s-1FILENAME:LINENO\s0\fR line (in that order).
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.PP
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If the \fB\-a\fR option is used then a line with the input address
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is displayed.
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.PP
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If the \fB\-f\fR option is used, then a line with the
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\&\fB\s-1FUNCTIONNAME\s0\fR is displayed. This is the name of the function
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containing the address.
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.PP
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One option can generate additional lines after the
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\&\fB\s-1FILENAME:LINENO\s0\fR line.
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.PP
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If the \fB\-i\fR option is used and the code at the given address is
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present there because of inlining by the compiler then additional
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lines are displayed afterwards. One or two extra lines (if the
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\&\fB\-f\fR option is used) are displayed for each inlined function.
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.PP
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Alternatively if the \fB\-p\fR option is used then each input
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address generates a single, long, output line containing the address,
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the function name, the file name and the line number. If the
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\&\fB\-i\fR option has also been used then any inlined functions will
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be displayed in the same manner, but on separate lines, and prefixed
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by the text \fB(inlined by)\fR.
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.PP
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If the file name or function name can not be determined,
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\&\fBaddr2line\fR will print two question marks in their place. If the
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line number can not be determined, \fBaddr2line\fR will print 0.
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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The long and short forms of options, shown here as alternatives, are
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equivalent.
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.IP "\fB\-a\fR" 4
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.IX Item "-a"
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.PD 0
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.IP "\fB\-\-addresses\fR" 4
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.IX Item "--addresses"
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.PD
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Display the address before the function name, file and line number
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information. The address is printed with a \fB0x\fR prefix to easily
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identify it.
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.IP "\fB\-b\fR \fIbfdname\fR" 4
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.IX Item "-b bfdname"
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.PD 0
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.IP "\fB\-\-target=\fR\fIbfdname\fR" 4
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.IX Item "--target=bfdname"
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.PD
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Specify that the object-code format for the object files is
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\&\fIbfdname\fR.
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.IP "\fB\-C\fR" 4
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.IX Item "-C"
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.PD 0
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.IP "\fB\-\-demangle[=\fR\fIstyle\fR\fB]\fR" 4
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.IX Item "--demangle[=style]"
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.PD
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Decode (\fIdemangle\fR) low-level symbol names into user-level names.
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Besides removing any initial underscore prepended by the system, this
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makes \*(C+ function names readable. Different compilers have different
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mangling styles. The optional demangling style argument can be used to
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choose an appropriate demangling style for your compiler.
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.IP "\fB\-e\fR \fIfilename\fR" 4
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.IX Item "-e filename"
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.PD 0
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.IP "\fB\-\-exe=\fR\fIfilename\fR" 4
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.IX Item "--exe=filename"
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.PD
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Specify the name of the executable for which addresses should be
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translated. The default file is \fIa.out\fR.
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.IP "\fB\-f\fR" 4
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.IX Item "-f"
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.PD 0
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.IP "\fB\-\-functions\fR" 4
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.IX Item "--functions"
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.PD
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Display function names as well as file and line number information.
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.IP "\fB\-s\fR" 4
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.IX Item "-s"
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.PD 0
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||
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.IP "\fB\-\-basenames\fR" 4
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.IX Item "--basenames"
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.PD
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Display only the base of each file name.
|
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.IP "\fB\-i\fR" 4
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.IX Item "-i"
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.PD 0
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.IP "\fB\-\-inlines\fR" 4
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.IX Item "--inlines"
|
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.PD
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If the address belongs to a function that was inlined, the source
|
||
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|
information for all enclosing scopes back to the first non-inlined
|
||
|
|
function will also be printed. For example, if \f(CW\*(C`main\*(C'\fR inlines
|
||
|
|
\&\f(CW\*(C`callee1\*(C'\fR which inlines \f(CW\*(C`callee2\*(C'\fR, and address is from
|
||
|
|
\&\f(CW\*(C`callee2\*(C'\fR, the source information for \f(CW\*(C`callee1\*(C'\fR and \f(CW\*(C`main\*(C'\fR
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will also be printed.
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.IP "\fB\-j\fR" 4
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.IX Item "-j"
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.PD 0
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||
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.IP "\fB\-\-section\fR" 4
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||
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.IX Item "--section"
|
||
|
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.PD
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||
|
|
Read offsets relative to the specified section instead of absolute addresses.
|
||
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.IP "\fB\-p\fR" 4
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.IX Item "-p"
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.PD 0
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.IP "\fB\-\-pretty\-print\fR" 4
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.IX Item "--pretty-print"
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.PD
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||
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Make the output more human friendly: each location are printed on one line.
|
||
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|
If option \fB\-i\fR is specified, lines for all enclosing scopes are
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prefixed with \fB(inlined by)\fR.
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.IP "\fB@\fR\fIfile\fR" 4
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.IX Item "@file"
|
||
|
|
Read command-line options from \fIfile\fR. The options read are
|
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inserted in place of the original @\fIfile\fR option. If \fIfile\fR
|
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|
does not exist, or cannot be read, then the option will be treated
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literally, and not removed.
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.Sp
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|
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Options in \fIfile\fR are separated by whitespace. A whitespace
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character may be included in an option by surrounding the entire
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option in either single or double quotes. Any character (including a
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backslash) may be included by prefixing the character to be included
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with a backslash. The \fIfile\fR may itself contain additional
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@\fIfile\fR options; any such options will be processed recursively.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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|
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Info entries for \fIbinutils\fR.
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.SH "COPYRIGHT"
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.IX Header "COPYRIGHT"
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Copyright (c) 1991\-2016 Free Software Foundation, Inc.
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.PP
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Permission is granted to copy, distribute and/or modify this document
|
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under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.3
|
||
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|
or any later version published by the Free Software Foundation;
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||
|
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with no Invariant Sections, with no Front-Cover Texts, and with no
|
||
|
|
Back-Cover Texts. A copy of the license is included in the
|
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section entitled \*(L"\s-1GNU\s0 Free Documentation License\*(R".
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