c++filt - Demangle C++ and Java symbols.
[--help] [--version] [symbol...]
The C++ and Java languages provides function overloading, which means
that you can write many functions with the same name (providing each
takes parameters of different types). All C++ and Java function names
are encoded into a low-level assembly label (this process is known as
mangling). The c++filt  program does the inverse mapping: it decodes
(demangles) low-level names into user-level names so that the linker
can keep these overloaded functions from clashing.
Every alphanumeric word (consisting of letters, digits, underscores,
dollars, or periods) seen in the input is a potential label. If the
label decodes into a C++ name, the C++ name replaces the low-level name
in the output.
You can use c++filt to decipher individual symbols:
If no symbol arguments are given, c++filt reads symbol names from the
standard input and writes the demangled names to the standard output.
All results are printed on the standard output.
On some systems, both the C and C++ compilers put an underscore in
front of every name. For example, the C name "foo" gets the low-
level name "_foo". This option removes the initial underscore.
Whether c++filt removes the underscore by default is target depen-
Prints demangled names using Java syntax. The default is to use
Do not remove the initial underscore.
c++filt can decode various methods of mangling, used by different
compilers. The argument to this option selects which method it
the one specified by the C++ Annotated Reference Manual
the one used by the HP compiler (aCC)
the one used by the EDG compiler
the one used by the GNU C++ compiler (g++) with the V3 ABI.
the one used by the GNU Java compiler (gcj)
the one used by the GNU Ada compiler (GNAT).
Print a summary of the options to c++filt and exit.
Print the version number of c++filt and exit.
1. MS-DOS does not allow "+" characters in file names, so on MS-DOS
this program is named c++filt.
the Info entries for binutils.
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2003 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 1.1 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 ``GNU
Free Documentation License''.
3rd Berkeley Distribution binutils-030512 C++FILT(1)