* Makefile.in ($(NM_PROG)): Depend on demangle.o.
(demangle.o): New target.
(cplus-dem.o): Depend on it, to force compilation order when doing
parallel compiles.
* nm.c (print_symbol_info_{bsd,sysv,posix}): Take a bfd arg.
(struct output_fns print_symbol_info): Ditto.
(long_options, usage, main): Add -C --demangle option.
(print_symname): New function, demangling if requested.
(print_symbols, print_symbol_info_{bsd,sysv,posix}): Use it.
This commit is contained in:
David MacKenzie
parent
8b46d73404
commit
d6a4c37569
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@ -197,8 +197,8 @@ $(STRINGS_PROG): $(ADDL_LIBS) strings.o $(BFD)
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$(STRIP_PROG): $(ADDL_LIBS) objcopy.o is-strip.o $(BFD)
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$(CC) $(LDFLAGS) -o $(STRIP_PROG) objcopy.o is-strip.o $(ADDL_LIBS) $(EXTRALIBS)
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$(NM_PROG): $(ADDL_LIBS) nm.o $(BFD)
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$(CC) $(LDFLAGS) -o $(NM_PROG) nm.o $(ADDL_LIBS) $(EXTRALIBS)
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$(NM_PROG): $(ADDL_LIBS) nm.o demangle.o $(BFD)
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$(CC) $(LDFLAGS) -o $(NM_PROG) nm.o demangle.o $(ADDL_LIBS) $(EXTRALIBS)
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$(OBJDUMP_PROG): $(ADDL_LIBS) objdump.o $(BFD) $(OPCODES)
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$(CC) $(LDFLAGS) -o $(OBJDUMP_PROG) objdump.o $(OPCODES) $(ADDL_LIBS) $(EXTRALIBS)
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@ -220,7 +220,12 @@ underscore.c:
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version.o: version.c
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$(CC) $(INCLUDES) $(HDEFINES) $(TDEFINES) -DVERSION='"$(VERSION)"' $(CFLAGS) -c $(srcdir)/version.c
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cplus-dem.o: $(BASEDIR)/libiberty/cplus-dem.c $(INCDIR)/getopt.h
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demangle.o: $(BASEDIR)/libiberty/cplus-dem.c
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$(CC) -c $(INCLUDES) $(HDEFINES) $(TDEFINES) $(CFLAGS) $(BASEDIR)/libiberty/cplus-dem.c
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mv cplus-dem.o demangle.o
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# For parallel compiling, depend on demangle.o so that one gets done first.
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cplus-dem.o: $(BASEDIR)/libiberty/cplus-dem.c $(INCDIR)/getopt.h demangle.o
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$(CC) -c -DMAIN $(INCLUDES) $(HDEFINES) $(TDEFINES) $(CFLAGS) $(BASEDIR)/libiberty/cplus-dem.c
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$(DEMANGLER_PROG): cplus-dem.o $(LIBIBERTY) underscore.o version.o
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@ -292,7 +297,7 @@ nm.o: nm.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
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$(INCDIR)/obstack.h ../bfd/sysdep.h $(BFDDIR)/hosts/std-host.h \
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$(INCDIR)/fopen-same.h bucomm.h $(INCDIR)/getopt.h \
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$(INCDIR)/aout/stab_gnu.h $(INCDIR)/aout/stab.def \
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$(INCDIR)/aout/ranlib.h
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$(INCDIR)/aout/ranlib.h $(INCDIR)/demangle.h
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ar.o: ar.c ../bfd/bfd.h $(INCDIR)/ansidecl.h \
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$(INCDIR)/obstack.h ../bfd/sysdep.h $(BFDDIR)/hosts/std-host.h \
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$(INCDIR)/fopen-same.h bucomm.h $(INCDIR)/aout/ar.h \
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@ -639,7 +639,8 @@ The GNU linker @code{ld} is now described in a separate manual.
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@kindex nm
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@smallexample
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nm [ -a | --debug-syms ] [ -g | --extern-only ] [ -B ]
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nm [ -a | --debug-syms ] [ -g | --extern-only ]
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[ -B ] [ -C | --demangle ]
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[ -s | --print-armap ] [ -A | -o | --print-file-name ]
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[ -n | -v | --numeric-sort ] [ -p | --no-sort ]
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[ -r | --reverse-sort ] [ -u | --undefined-only ]
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@ -716,7 +717,15 @@ listed.
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@item -B
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@cindex @code{nm} format
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@cindex @code{nm} compatibility
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The same as @samp{--format=bsd}.
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The same as @samp{--format=bsd} (for compatibility with the MIPS @code{nm}).
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@item -C
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@itemx --demangle
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@cindex demangling C++ symbols
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Decode (@dfn{demangle}) 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. @xref{c++filt}, for more information
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on demangling.
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@item -f @var{format}
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@itemx --format=@var{format}
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@ -1188,7 +1197,7 @@ archives, @samp{strip -v} lists all members of the archive.
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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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[ --help ] [ --version ] [ @var{symbol}@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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@ -1204,20 +1213,15 @@ dollars, or periods) seen in the input is a potential label. If the
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label decodes into a C++ name, the C++ name replaces the low-level
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name in the output.
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A typical use of @code{c++filt} is to pipe the output of @code{nm}
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though it, using @code{c++filt} as a filter:
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@example
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nm @var{objfile} | c++filt
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@end example
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You can also use @code{c++filt} to decipher individual symbols:
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You can use @code{c++filt} to decipher individual symbols:
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@example
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c++filt @var{symbol}
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@end example
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All results are printed on the standard output.
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If no @var{symbol} arguments are given, @code{c++filt} reads symbol
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names from the standard input and writes the demangled names to the
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standard output. All results are printed on the standard output.
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@table @code
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@item -_
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@ -17,6 +17,8 @@ nm\(em\&list symbols from object files.
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.B nm
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.RB "[\|" \-a | \-\-debug\-syms "\|]"
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.RB "[\|" \-g | \-\-extern\-only "\|]"
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.RB "[\|" \-B "\|]"
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.RB "[\|" \-C | \-\-demangle "\|]"
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.RB "[\|" \-s | \-\-print\-armap "\|]"
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.RB "[\|" \-o | \-\-print\-file\-name "\|]"
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.RB "[\|" \-n | \-\-numeric\-sort "\|]"
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@ -71,6 +73,14 @@ The same as
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.B \-\-format=bsd
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(for compatibility with the MIPS \fBnm\fP).
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.TP
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.B \-C
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.TP
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.B \-\-demangle
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Decode (\fIdemangle\fP) 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.
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.TP
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.B "\-f \fIformat"
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Use the output format \fIformat\fP, which can be ``bsd'',
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