* Makefile.in: Note dependencies on bucomm.h.
(cplus-dem.o): Link c++filt with version.o. * strings.c: Include bucomm.h and add prototypes to other decls. Remove -h option. * bucomm.h: Declare xrealloc. * nm.c, objcopy.c, objdump.c, size.c, strings.c (main, usage): Add --help option. Put "GNU" in the version message. (usage): Take stream and exit status as args. (main): Pass new args to usage.
This commit is contained in:
David MacKenzie
parent
6214895281
commit
b26ac61376
9 changed files with 501 additions and 221 deletions
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@ -554,7 +554,7 @@ objcopy [ -F @var{format} | --format=@var{format} ]
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[ -O @var{format} | --output-format=@var{format} ]
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[ -S | --strip-all ] [ -g | --strip-debug ]
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[ -x | --discard-all ] [ -X | --discard-locals ]
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[ -v | --verbose ] [ -V | --version ]
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[ -v | --verbose ] [ -V | --version ] [ --help ]
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@var{infile} [@var{outfile}]
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@end smallexample
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@ -619,6 +619,9 @@ Show the version number of @code{objcopy}.
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@itemx --verbose
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Verbose output: list all object files modified. In the case of
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archives, @samp{objcopy -V} lists all members of the archive.
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@item --help
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Show a summary of the options to @code{objcopy}.
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@end table
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@iftex
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@ -642,7 +645,7 @@ nm [ -a | --debug-syms ] [ -g | --extern-only ]
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[ -r | --reverse-sort ] [ -u | --undefined-only ]
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[ -t @var{radix} | --radix=@var{radix} ] [ -P | --portability ]
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[ --target=@var{bfdname} ] [ -f @var{format} | --format=@var{format} ]
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[ -V | --version ] [ @var{objfile}@dots{} ]
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[ -V | --version ] [ --help ] [ @var{objfile}@dots{} ]
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@end smallexample
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GNU @code{nm} lists the symbols from object files @var{objfile}@dots{}.
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@ -714,7 +717,7 @@ listed.
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@itemx --format=@var{format}
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Use the output format @var{format}, which can be @code{bsd},
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@code{sysv}, or @code{posix}. The default is @code{bsd}.
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Only the first character of @var{format} is significant, it can be
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Only the first character of @var{format} is significant; it can be
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either upper or lower case.
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@item -g
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@ -722,6 +725,12 @@ either upper or lower case.
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@cindex external symbols
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Display only external symbols.
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@item -n
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@itemx -v
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@itemx --numeric-sort
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Sort symbols numerically by their addresses, rather than alphabetically
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by their names.
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@item -p
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@itemx --no-sort
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@cindex sorting symbols
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@ -733,12 +742,6 @@ encountered.
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Use the POSIX.2 standard output format instead of the default format.
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Equivalent to @samp{-f posix}.
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@item -n
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@itemx -v
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@itemx --numeric-sort
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Sort symbols numerically by their addresses, rather than alphabetically
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by their names.
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@item -s
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@itemx --print-armap
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@cindex symbol index, listing
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@ -769,7 +772,10 @@ Display only undefined symbols (those external to each object file).
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@item -V
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@itemx --version
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Show the version number of @code{nm}.
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Show the version number of @code{nm} and exit.
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@item --help
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Show a summary of the options to @code{nm} and exit.
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@end table
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@node objdump, ranlib, nm, Top
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@ -781,8 +787,8 @@ Show the version number of @code{nm}.
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@smallexample
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objdump [ -a ] [ -b @var{bfdname} ] [ -d ] [ -f ]
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[ -h | --header ] [ -i ] [ -j @var{section} ] [ -l ]
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[ -m @var{machine} ] [ -r | --reloc ] [ -s ]
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[ --stabs ] [ -t | --syms ] [ -x ]
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[ -m @var{machine} ] [ -r | --reloc ] [ -s ] [ --stabs ]
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[ -t | --syms ] [ -x ] [ --version ] [ --help ]
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@var{objfile}@dots{}
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@end smallexample
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@ -792,14 +798,14 @@ information is mostly useful to programmers who are working on the
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compilation tools, as opposed to programmers who just want their
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program to compile and work.
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@var{objfile}@dots{} are the object files to be examined. When you
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specify archives, @code{objdump} shows information on each of the member
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object files.
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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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@table @code
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@item @var{objfile}@dots{}
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The object files to be examined. When you specify archives,
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@code{objdump} shows information on each of the member object files.
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@item -a
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@c print_arelt_descr
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@cindex archive headers
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@ -842,6 +848,9 @@ each of the @var{objfile} files.
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Header. Display summary information from the section headers of the
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object file.
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@item --help
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Print a summary of the options to @code{objdump} and exit.
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@item -i
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@cindex architectures available
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@cindex object formats available
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@ -895,13 +904,15 @@ output.
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Symbol Table. Print the symbol table entries of the file.
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This is similar to the information provided by the @samp{nm} program.
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@item --version
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Print the version number of @code{objdump} and exit.
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@item -x
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@cindex all header information, object file
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@cindex header information, all
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Display all available header information, including the symbol table and
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relocation entries. Using @samp{-x} is equivalent to specifying all of
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@samp{-a -f -h -r -t}.
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@end table
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@node ranlib, size, objdump, Top
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@ -953,11 +964,11 @@ size---for each of the object or archive files @var{objfile} in its
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argument list. By default, one line of output is generated for each
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object file or each module in an archive.
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The command line options have the following meanings:
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@table @code
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@item @var{objfile}@dots{}
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The object files to be examined.
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@var{objfile}@dots{} are the object files to be examined.
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The command line options have the following meanings:
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@table @code
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@item -A
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@itemx -B
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@itemx --format=@var{compatibility}
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@ -1038,7 +1049,7 @@ Display the version number of @code{size}.
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@cindex strings, printing
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@smallexample
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strings [-afhov] [-n @var{min-len}] [-@var{min-len}] [-t @var{radix}] [-]
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strings [-afov] [-@var{min-len}] [-n @var{min-len}] [-t @var{radix}] [-]
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[--all] [--print-file-name] [--bytes=@var{min-len}] [--radix=@var{radix}]
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[--help] [--version] @var{file}@dots{}
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@end smallexample
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@ -1064,20 +1075,19 @@ the whole files.
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@itemx --print-file-name
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Print the name of the file before each string.
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@item -h
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@itemx --help
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@item --help
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Print a summary of the program usage on the standard output and exit.
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@item -n @var{min-len}
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@itemx -@var{min-len}
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@item -n @var{min-len}
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@itemx --bytes=@var{min-len}
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Print sequences of characters that are at least @var{min-len} characters
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long, instead of the default 4.
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@item -o
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Like @samp{-t o}.
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Some other versions of @code{strings} have @samp{-o} act like @samp{-t d} instead.
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Since we can not be compatible with both ways, we simply chose one.
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Like @samp{-t o}. Some other versions of @code{strings} have @samp{-o}
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act like @samp{-t d} instead. Since we can not be compatible with both
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ways, we simply chose one.
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@item -t @var{radix}
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@itemx --radix=@var{radix}
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@ -1104,19 +1114,27 @@ strip [ -F @var{format} | --format=@var{format} | --target=@var{format} ]
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[ -O @var{format} | --output-format=@var{format} ]
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[ -s | --strip-all ] [ -S | -g | --strip-debug ]
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[ -x | --discard-all ] [ -X | --discard-locals ]
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[ -v | --verbose ] [ -V | --version ]
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[ -v | --verbose ] [ -V | --version ] [ --help ]
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@var{objfile}@dots{}
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@end smallexample
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GNU @code{strip} discards all symbols from object files
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@var{objfile}. The list of object files may include archives.
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@code{strip} will not execute unless at least one object file is listed.
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At least one object file must be given.
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@code{strip} modifies the files named in its argument,
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rather than writing modified copies under different names.
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@table @code
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@item -F @var{format}
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@itemx --format=@var{format}
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@itemx --target=@var{format}
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Treat the original @var{objfile} as a file with the object
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code format @var{format}, and rewrite it in the same format.
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@item --help
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Show a summary of the options to @code{strip} and exit.
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@item -I @var{format}
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@itemx --input-format=@var{format}
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Treat the original @var{objfile} as a file with the object
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@ -1126,12 +1144,6 @@ code format @var{format}.
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@itemx --output-format=@var{format}
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Replace @var{objfile} with a file in the output format @var{format}.
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@item -F @var{format}
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@itemx --format=@var{format}
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@itemx --target=@var{format}
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Treat the original @var{objfile} as a file with the object
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code format @var{format}, and rewrite it in the same format.
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@item -s
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@itemx --strip-all
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Remove all symbols.
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@ -1166,10 +1178,16 @@ archives, @samp{strip -v} lists all members of the archive.
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@kindex c++filt
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@cindex demangling C++ symbols
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@smallexample
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c++filt [ -_ | --strip-underscores ]
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[ -s @var{format} | --format=@var{format} ]
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[ --help ] [ --version ] [ @var{arg}@dots{} ]
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@end smallexample
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The C++ language provides function overloading, which means that you can
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write many functions with the same name (providing each takes parameters
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of different types). All C++ function names are encoded into a
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low-level assembly label (in some circles this is described as
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low-level assembly label (this process is known as
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@dfn{mangling}). The @code{c++filt} program does the inverse mapping: it
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decodes (@dfn{demangles}) low-level names into user-level names so that
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the linker can keep these overloaded functions from clashing.
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@ -1194,10 +1212,34 @@ c++filt @var{symbol}
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All results are printed on the standard output.
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Note that on some systems, both the C and C++ compilers put an
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underscore in front of every name. (I.e. the C name @code{foo} gets the
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low-level name @code{_foo}.) On such systems, @code{c++filt} removes
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any initial underscore of a potential label.
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@table @code
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@item -_
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@item --strip-underscores
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On some systems, both the C and C++ compilers put an underscore in front
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of every name. For example, the C name @code{foo} gets the low-level
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name @code{_foo}. This option removes the initial underscore.
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@item -s @var{format}
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@itemx --format=@var{format}
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GNU @code{nm} can decode three different methods of mangling, used by
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different C++ compilers. The argument to this option selects which
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method it uses:
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@table @code
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@item gnu
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the one used by the GNU compiler (the default method)
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@item lucid
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the one used by the Lucid compiler
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@item arm
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the one specified by the C++ Annotated Reference Manual
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@end table
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@item --help
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Print a summary of the options to @code{c++filt} and exit.
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@item --version
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Print the version number of @code{c++filt} and exit.
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@end table
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@quotation
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@emph{Warning:} @code{c++filt} is a new utility, and the details of its
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@ -1206,14 +1248,14 @@ a command-line option may be required in the the future to decode a name
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passed as an argument on the command line; in other words,
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@example
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c++filt @var{SYMBOL}
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c++filt @var{symbol}
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@end example
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@noindent
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may in a future release become
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@example
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c++filt @var{flag} @var{SYMBOL}
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c++filt @var{option} @var{symbol}
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@end example
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@end quotation
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