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diff --git a/binutils/doc/cxxfilt.man b/binutils/doc/cxxfilt.man new file mode 100644 index 0000000..85b53da --- /dev/null +++ b/binutils/doc/cxxfilt.man @@ -0,0 +1,345 @@ +.\" Automatically generated by Pod::Man 2.27 (Pod::Simple 3.28) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. \*(C+ will +.\" give a nicer C++. Capital omega is used to do unbreakable dashes and +.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, +.\" nothing in troff, for use with C<>. +.tr \(*W- +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +. ds C` +. ds C' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is turned on, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.\" +.\" Avoid warning from groff about undefined register 'F'. +.de IX +.. +.nr rF 0 +.if \n(.g .if rF .nr rF 1 +.if (\n(rF:(\n(.g==0)) \{ +. if \nF \{ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. if !\nF==2 \{ +. nr % 0 +. nr F 2 +. \} +. \} +.\} +.rr rF +.\" +.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). +.\" Fear. Run. Save yourself. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +cxxfilt \- Demangle C++ and Java symbols. +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +c++filt [\fB\-_\fR|\fB\-\-strip\-underscore\fR] + [\fB\-n\fR|\fB\-\-no\-strip\-underscore\fR] + [\fB\-p\fR|\fB\-\-no\-params\fR] + [\fB\-t\fR|\fB\-\-types\fR] + [\fB\-i\fR|\fB\-\-no\-verbose\fR] + [\fB\-s\fR \fIformat\fR|\fB\-\-format=\fR\fIformat\fR] + [\fB\-\-help\fR] [\fB\-\-version\fR] [\fIsymbol\fR...] +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The \*(C+ and Java languages provide function overloading, which means +that you can write many functions with the same name, providing that +each function takes parameters of different types. In order to be +able to distinguish these similarly named functions \*(C+ and Java +encode them into a low-level assembler name which uniquely identifies +each different version. This process is known as \fImangling\fR. The +\&\fBc++filt\fR +[1] +program does the inverse mapping: it decodes (\fIdemangles\fR) low-level +names into user-level names so that they can be read. +.PP +Every alphanumeric word (consisting of letters, digits, underscores, +dollars, or periods) seen in the input is a potential mangled name. +If the name decodes into a \*(C+ name, the \*(C+ name replaces the +low-level name in the output, otherwise the original word is output. +In this way you can pass an entire assembler source file, containing +mangled names, through \fBc++filt\fR and see the same source file +containing demangled names. +.PP +You can also use \fBc++filt\fR to decipher individual symbols by +passing them on the command line: +.PP +.Vb 1 +\& c++filt <symbol> +.Ve +.PP +If no \fIsymbol\fR arguments are given, \fBc++filt\fR reads symbol +names from the standard input instead. All the results are printed on +the standard output. The difference between reading names from the +command line versus reading names from the standard input is that +command line arguments are expected to be just mangled names and no +checking is performed to separate them from surrounding text. Thus +for example: +.PP +.Vb 1 +\& c++filt \-n _Z1fv +.Ve +.PP +will work and demangle the name to \*(L"f()\*(R" whereas: +.PP +.Vb 1 +\& c++filt \-n _Z1fv, +.Ve +.PP +will not work. (Note the extra comma at the end of the mangled +name which makes it invalid). This command however will work: +.PP +.Vb 1 +\& echo _Z1fv, | c++filt \-n +.Ve +.PP +and will display \*(L"f(),\*(R", i.e., the demangled name followed by a +trailing comma. This behaviour is because when the names are read +from the standard input it is expected that they might be part of an +assembler source file where there might be extra, extraneous +characters trailing after a mangled name. For example: +.PP +.Vb 1 +\& .type _Z1fv, @function +.Ve +.SH "OPTIONS" +.IX Header "OPTIONS" +.IP "\fB\-_\fR" 4 +.IX Item "-_" +.PD 0 +.IP "\fB\-\-strip\-underscore\fR" 4 +.IX Item "--strip-underscore" +.PD +On some systems, both the C and \*(C+ compilers put an underscore in front +of every name. For example, the C name \f(CW\*(C`foo\*(C'\fR gets the low-level +name \f(CW\*(C`_foo\*(C'\fR. This option removes the initial underscore. Whether +\&\fBc++filt\fR removes the underscore by default is target dependent. +.IP "\fB\-n\fR" 4 +.IX Item "-n" +.PD 0 +.IP "\fB\-\-no\-strip\-underscore\fR" 4 +.IX Item "--no-strip-underscore" +.PD +Do not remove the initial underscore. +.IP "\fB\-p\fR" 4 +.IX Item "-p" +.PD 0 +.IP "\fB\-\-no\-params\fR" 4 +.IX Item "--no-params" +.PD +When demangling the name of a function, do not display the types of +the function's parameters. +.IP "\fB\-t\fR" 4 +.IX Item "-t" +.PD 0 +.IP "\fB\-\-types\fR" 4 +.IX Item "--types" +.PD +Attempt to demangle types as well as function names. This is disabled +by default since mangled types are normally only used internally in +the compiler, and they can be confused with non-mangled names. For example, +a function called \*(L"a\*(R" treated as a mangled type name would be +demangled to \*(L"signed char\*(R". +.IP "\fB\-i\fR" 4 +.IX Item "-i" +.PD 0 +.IP "\fB\-\-no\-verbose\fR" 4 +.IX Item "--no-verbose" +.PD +Do not include implementation details (if any) in the demangled +output. +.IP "\fB\-s\fR \fIformat\fR" 4 +.IX Item "-s format" +.PD 0 +.IP "\fB\-\-format=\fR\fIformat\fR" 4 +.IX Item "--format=format" +.PD +\&\fBc++filt\fR can decode various methods of mangling, used by +different compilers. The argument to this option selects which +method it uses: +.RS 4 +.ie n .IP """auto""" 4 +.el .IP "\f(CWauto\fR" 4 +.IX Item "auto" +Automatic selection based on executable (the default method) +.ie n .IP """gnu""" 4 +.el .IP "\f(CWgnu\fR" 4 +.IX Item "gnu" +the one used by the \s-1GNU \*(C+\s0 compiler (g++) +.ie n .IP """lucid""" 4 +.el .IP "\f(CWlucid\fR" 4 +.IX Item "lucid" +the one used by the Lucid compiler (lcc) +.ie n .IP """arm""" 4 +.el .IP "\f(CWarm\fR" 4 +.IX Item "arm" +the one specified by the \*(C+ Annotated Reference Manual +.ie n .IP """hp""" 4 +.el .IP "\f(CWhp\fR" 4 +.IX Item "hp" +the one used by the \s-1HP\s0 compiler (aCC) +.ie n .IP """edg""" 4 +.el .IP "\f(CWedg\fR" 4 +.IX Item "edg" +the one used by the \s-1EDG\s0 compiler +.ie n .IP """gnu\-v3""" 4 +.el .IP "\f(CWgnu\-v3\fR" 4 +.IX Item "gnu-v3" +the one used by the \s-1GNU \*(C+\s0 compiler (g++) with the V3 \s-1ABI.\s0 +.ie n .IP """java""" 4 +.el .IP "\f(CWjava\fR" 4 +.IX Item "java" +the one used by the \s-1GNU\s0 Java compiler (gcj) +.ie n .IP """gnat""" 4 +.el .IP "\f(CWgnat\fR" 4 +.IX Item "gnat" +the one used by the \s-1GNU\s0 Ada compiler (\s-1GNAT\s0). +.RE +.RS 4 +.RE +.IP "\fB\-\-help\fR" 4 +.IX Item "--help" +Print a summary of the options to \fBc++filt\fR and exit. +.IP "\fB\-\-version\fR" 4 +.IX Item "--version" +Print the version number of \fBc++filt\fR and exit. +.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 "FOOTNOTES" +.IX Header "FOOTNOTES" +.IP "1." 4 +MS-DOS does not allow \f(CW\*(C`+\*(C'\fR characters in file names, so on +MS-DOS this program is named \fB\s-1CXXFILT\s0\fR. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +the Info entries for \fIbinutils\fR. +.SH "COPYRIGHT" +.IX Header "COPYRIGHT" +Copyright (c) 1991\-2017 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 1.3 +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 \*(L"\s-1GNU\s0 Free Documentation License\*(R". |