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Add a symbols-only mode to nm.

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PR 27487
	* nm.c (FORMAT_JUST_SYMBOLS): Define.
	(struct optput_fns): Add entry for FORMAT_JUST_SYMBOLS.
	(long_options): Add just-symbols.
	(set_output_format): Add support for just-symbols.
	(get_print_format): Likewise.
	(do_not_print_object_filename): New function.
	(do_not_print_archive_filename): New function.
	(do_not_print_archive_member): New function.
	(do_not_print_symbol_filename): New function.
	(just_print_symbol_name): New function.
	(main): Handle --just-symbols.
	* NEWS: Mention the new feature.
	* doc/binutils.texi: Document the new feature.
This commit is contained in:
Nick Clifton
2021-03-15 10:55:49 +00:00
parent 8d624a9d80
commit 1996d0f12c
4 changed files with 137 additions and 38 deletions
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45
binutils/doc/binutils.texi
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@@ -793,23 +793,37 @@ The @sc{gnu} linker @command{ld} is now described in a separate manual.
@smallexample
@c man begin SYNOPSIS nm
nm [@option{-A}|@option{-o}|@option{--print-file-name}] [@option{-a}|@option{--debug-syms}]
[@option{-B}|@option{--format=bsd}] [@option{-C}|@option{--demangle}[=@var{style}]]
[@option{-D}|@option{--dynamic}] [@option{-f}@var{format}|@option{--format=}@var{format}]
[@option{-g}|@option{--extern-only}] [@option{-h}|@option{--help}]
nm [@option{-A}|@option{-o}|@option{--print-file-name}]
[@option{-a}|@option{--debug-syms}]
[@option{-B}|@option{--format=bsd}]
[@option{-C}|@option{--demangle}[=@var{style}]]
[@option{-D}|@option{--dynamic}]
[@option{-f}@var{format}|@option{--format=}@var{format}]
[@option{-g}|@option{--extern-only}]
[@option{-h}|@option{--help}]
[@option{--ifunc-chars=@var{CHARS}}]
[@option{-j}|@option{--format=just-symbols}]
[@option{-l}|@option{--line-numbers}] [@option{--inlines}]
[@option{-n}|@option{-v}|@option{--numeric-sort}]
[@option{-P}|@option{--portability}] [@option{-p}|@option{--no-sort}]
[@option{-r}|@option{--reverse-sort}] [@option{-S}|@option{--print-size}]
[@option{-s}|@option{--print-armap}] [@option{-t} @var{radix}|@option{--radix=}@var{radix}]
[@option{-u}|@option{--undefined-only}] [@option{-V}|@option{--version}]
[@option{-X 32_64}] [@option{--defined-only}] [@option{--no-demangle}]
[@option{--plugin} @var{name}]
[@option{-P}|@option{--portability}]
[@option{-p}|@option{--no-sort}]
[@option{-r}|@option{--reverse-sort}]
[@option{-S}|@option{--print-size}]
[@option{-s}|@option{--print-armap}]
[@option{-t} @var{radix}|@option{--radix=}@var{radix}]
[@option{-u}|@option{--undefined-only}]
[@option{-V}|@option{--version}]
[@option{-X 32_64}]
[@option{--defined-only}]
[@option{--no-demangle}]
[@option{--no-recurse-limit}|@option{--recurse-limit}]]
[@option{--size-sort}] [@option{--special-syms}]
[@option{--synthetic}] [@option{--with-symbol-versions}]
[@option{--without-symbol-versions}] [@option{--target=}@var{bfdname}]
[@option{--plugin} @var{name}]
[@option{--size-sort}]
[@option{--special-syms}]
[@option{--synthetic}]
[@option{--target=}@var{bfdname}]
[@option{--with-symbol-versions}]
[@option{--without-symbol-versions}]
[@var{objfile}@dots{}]
@c man end
@end smallexample
@@ -1027,7 +1041,7 @@ libraries.
@cindex @command{nm} format
@cindex @command{nm} compatibility
Use the output format @var{format}, which can be @code{bsd},
@code{sysv}, or @code{posix}. The default is @code{bsd}.
@code{sysv}, @code{posix} or @code{just-symbols}. The default is @code{bsd}.
Only the first character of @var{format} is significant; it can be
either upper or lower case.
@@ -1049,6 +1063,9 @@ first character will be used for global indirect function symbols and
the second character, if present, will be used for local indirect
function symbols.
@item j
The same as @option{--format=just-symbols}.
@item -l
@itemx --line-numbers
@cindex symbol line numbers