mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-01-18 12:24:38 +08:00
2007-06-28 Roland McGrath <roland@frob.com>
* objcopy.c (setup_section): Don't reset ELF section type to SHT_NOBITS when it is SHT_NOTE. * doc/binutils.texi (objcopy, strip): Mention under --only-keep-debug.
This commit is contained in:
Roland McGrath
parent
f66d1690c3
commit
c1c0eb9e7b
@ -53,7 +53,7 @@ section entitled ``GNU Free Documentation License''.
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@c
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@c Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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@c 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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@c
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@c
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@c This text may be freely distributed under the terms of the GNU
|
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@c Free Documentation License.
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@c
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@ -205,7 +205,7 @@ the original individual files (called @dfn{members} of the archive).
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|
||||
The original files' contents, mode (permissions), timestamp, owner, and
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group are preserved in the archive, and can be restored on
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extraction.
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extraction.
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@cindex name length
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@sc{gnu} @command{ar} can maintain archives whose members have names of any
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@ -296,7 +296,7 @@ Use this operation to @emph{move} members in an archive.
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The ordering of members in an archive can make a difference in how
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programs are linked using the library, if a symbol is defined in more
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than one member.
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than one member.
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||||
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If no modifiers are used with @code{m}, any members you name in the
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@var{member} arguments are moved to the @emph{end} of the archive;
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@ -420,7 +420,7 @@ member must be present as the @var{relpos} argument, before the
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@item l
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This modifier is accepted but not used.
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@c whaffor ar l modifier??? presumably compat; with
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@c what???---doc@@cygnus.com, 25jan91
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@c what???---doc@@cygnus.com, 25jan91
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@item N
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Uses the @var{count} parameter. This is used if there are multiple
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@ -553,7 +553,7 @@ to @code{SAVE}, commands affect only the temporary copy of the current
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archive.
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@table @code
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@item ADDLIB @var{archive}
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@item ADDLIB @var{archive}
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@itemx ADDLIB @var{archive} (@var{module}, @var{module}, @dots{} @var{module})
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Add all the contents of @var{archive} (or, if specified, each named
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@var{module} from @var{archive}) to the current archive.
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@ -634,7 +634,7 @@ will not actually affect @var{archive} until you next use @code{SAVE}.
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In the current archive, replace each existing @var{module} (named in
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the @code{REPLACE} arguments) from files in the current working directory.
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To execute this command without errors, both the file, and the module in
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the current archive, must exist.
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the current archive, must exist.
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Requires prior use of @code{OPEN} or @code{CREATE}.
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@ -646,7 +646,7 @@ When the flag is on, @code{DIRECTORY} output matches output from
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@item SAVE
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Commit your changes to the current archive, and actually save it as a
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file with the name specified in the last @code{CREATE} or @code{OPEN}
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command.
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command.
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Requires prior use of @code{OPEN} or @code{CREATE}.
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@ -759,7 +759,7 @@ weak object symbol. When a weak defined symbol is linked with a normal
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defined symbol, the normal defined symbol is used with no error.
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When a weak undefined symbol is linked and the symbol is not defined,
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the value of the symbol is determined in a system-specific manner without
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error. On some systems, uppercase indicates that a default value has been
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error. On some systems, uppercase indicates that a default value has been
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specified.
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@ -789,7 +789,7 @@ equivalent.
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@table @env
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@item -A
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@itemx -o
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@itemx --print-file-name
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@itemx --print-file-name
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@cindex input file name
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@cindex file name
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@cindex source file name
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@ -798,7 +798,7 @@ in which it was found, rather than identifying the input file once only,
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before all of its symbols.
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@item -a
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@itemx --debug-syms
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@itemx --debug-syms
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@cindex debugging symbols
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Display all symbols, even debugger-only symbols; normally these are not
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listed.
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@ -814,8 +814,8 @@ The same as @option{--format=bsd} (for compatibility with the MIPS @command{nm})
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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. Different compilers have different
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mangling styles. The optional demangling style argument can be used to
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choose an appropriate demangling style for your compiler. @xref{c++filt},
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mangling styles. The optional demangling style argument can be used to
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choose an appropriate demangling style for your compiler. @xref{c++filt},
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for more information on demangling.
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@item --no-demangle
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@ -838,7 +838,7 @@ 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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@itemx --extern-only
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@itemx --extern-only
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@cindex external symbols
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Display only external symbols.
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@ -853,12 +853,12 @@ information can be found, print it after the other symbol information.
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@item -n
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@itemx -v
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@itemx --numeric-sort
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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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by their names.
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@item -p
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@itemx --no-sort
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@itemx --no-sort
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@cindex sorting symbols
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Do not bother to sort the symbols in any order; print them in the order
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encountered.
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@ -880,15 +880,15 @@ When listing symbols from archive members, include the index: a mapping
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contain definitions for which names.
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@item -r
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@itemx --reverse-sort
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@itemx --reverse-sort
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Reverse the order of the sort (whether numeric or alphabetic); let the
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last come first.
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@item --size-sort
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Sort symbols by size. The size is computed as the difference between
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the value of the symbol and the value of the symbol with the next higher
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value. If the @code{bsd} output format is used the size of the symbol
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is printed, rather than the value, and @samp{-S} must be used in order
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value. If the @code{bsd} output format is used the size of the symbol
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is printed, rather than the value, and @samp{-S} must be used in order
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both size and value to be printed.
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@item --special-syms
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@ -910,7 +910,7 @@ Specify an object code format other than your system's default format.
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@xref{Target Selection}, for more information.
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@item -u
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@itemx --undefined-only
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@itemx --undefined-only
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@cindex external symbols
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@cindex undefined symbols
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Display only undefined symbols (those external to each object file).
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@ -1010,7 +1010,7 @@ objcopy [@option{-F} @var{bfdname}|@option{--target=}@var{bfdname}]
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[@option{--pure}]
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[@option{--impure}]
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[@option{-v}|@option{--verbose}]
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[@option{-V}|@option{--version}]
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[@option{-V}|@option{--version}]
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[@option{--help}] [@option{--info}]
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@var{infile} [@var{outfile}]
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@c man end
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@ -1090,7 +1090,7 @@ can access this binary data inside a program by referencing the special
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symbols that are created by the conversion process. These symbols are
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called _binary_@var{objfile}_start, _binary_@var{objfile}_end and
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_binary_@var{objfile}_size. e.g. you can transform a picture file into
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an object file and then access it in your code using these symbols.
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an object file and then access it in your code using these symbols.
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@item -j @var{sectionname}
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@itemx --only-section=@var{sectionname}
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@ -1235,7 +1235,7 @@ address, by adding @var{incr}. Some object file formats do not permit
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section addresses to be changed arbitrarily. Note that this does not
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relocate the sections; if the program expects sections to be loaded at a
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certain address, and this option is used to change the sections such
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that they are loaded at a different address, the program may fail.
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that they are loaded at a different address, the program may fail.
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@item --change-section-address @var{section}@{=,+,-@}@var{val}
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@itemx --adjust-section-vma @var{section}@{=,+,-@}@var{val}
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@ -1258,7 +1258,7 @@ different. If @samp{=} is used, the section address is set to
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@var{val}. Otherwise, @var{val} is added to or subtracted from the
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section address. See the comments under @option{--change-addresses},
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above. If @var{section} does not exist in the input file, a warning
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will be issued, unless @option{--no-change-warnings} is used.
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will be issued, unless @option{--no-change-warnings} is used.
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@item --change-section-vma @var{section}@{=,+,-@}@var{val}
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@cindex changing section VMA
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@ -1272,19 +1272,19 @@ is set to @var{val}. Otherwise, @var{val} is added to or subtracted
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from the section address. See the comments under
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@option{--change-addresses}, above. If @var{section} does not exist in
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the input file, a warning will be issued, unless
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@option{--no-change-warnings} is used.
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@option{--no-change-warnings} is used.
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@item --change-warnings
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@itemx --adjust-warnings
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If @option{--change-section-address} or @option{--change-section-lma} or
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@option{--change-section-vma} is used, and the named section does not
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exist, issue a warning. This is the default.
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exist, issue a warning. This is the default.
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@item --no-change-warnings
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@itemx --no-adjust-warnings
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Do not issue a warning if @option{--change-section-address} or
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@option{--adjust-section-lma} or @option{--adjust-section-vma} is used, even
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if the named section does not exist.
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if the named section does not exist.
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@item --set-section-flags @var{section}=@var{flags}
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Set the flags for the named section. The @var{flags} argument is a
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@ -1372,7 +1372,7 @@ being produced to @var{ival}. This length covers both address, data and
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crc fields.
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@item --srec-forceS3
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Meaningful only for srec output. Avoid generation of S1/S2 records,
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Meaningful only for srec output. Avoid generation of S1/S2 records,
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creating S3-only record format.
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@item --redefine-sym @var{old}=@var{new}
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@ -1437,7 +1437,7 @@ This option may be given more than once.
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@item --alt-machine-code=@var{index}
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If the output architecture has alternate machine codes, use the
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@var{index}th code instead of the default one. This is useful in case
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a machine is assigned an official code and the tool-chain adopts the
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a machine is assigned an official code and the tool-chain adopts the
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new code, but other applications still depend on the original code
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being used. For ELF based architectures if the @var{index}
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alternative does not exist then the value is treated as an absolute
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@ -1481,7 +1481,7 @@ which would otherwise get stripped.
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@item --only-keep-debug
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Strip a file, removing contents of any sections that would not be
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stripped by @option{--strip-debug} and leaving the debugging sections
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intact.
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intact. In ELF files, this preserves all note sections in the output.
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The intention is that this option will be used in conjunction with
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@option{--add-gnu-debuglink} to create a two part executable. One a
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@ -1533,7 +1533,7 @@ Specifically, the option:
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@item sets the size of every section to zero; and
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@item sets the file's start address to zero.
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@end itemize
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This option is used to build a @file{.sym} file for a VxWorks kernel.
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It can also be a useful way of reducing the size of a @option{--just-symbols}
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linker input file.
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@ -1674,8 +1674,8 @@ formats available with the @option{-i} option.
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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. Different compilers have different
|
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mangling styles. The optional demangling style argument can be used to
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choose an appropriate demangling style for your compiler. @xref{c++filt},
|
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mangling styles. The optional demangling style argument can be used to
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choose an appropriate demangling style for your compiler. @xref{c++filt},
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for more information on demangling.
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@item -g
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@ -2026,7 +2026,7 @@ ranlib [@option{-vV}] @var{archive}
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@command{ranlib} generates an index to the contents of an archive and
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stores it in the archive. The index lists each symbol defined by a
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member of an archive that is a relocatable object file.
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member of an archive that is a relocatable object file.
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You may use @samp{nm -s} or @samp{nm --print-armap} to list this index.
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@ -2071,7 +2071,7 @@ size [@option{-A}|@option{-B}|@option{--format=}@var{compatibility}]
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[@option{--help}]
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[@option{-d}|@option{-o}|@option{-x}|@option{--radix=}@var{number}]
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[@option{-t}|@option{--totals}]
|
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[@option{--target=}@var{bfdname}] [@option{-V}|@option{--version}]
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[@option{--target=}@var{bfdname}] [@option{-V}|@option{--version}]
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[@var{objfile}@dots{}]
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@c man end
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@end smallexample
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@ -2101,13 +2101,13 @@ Using one of these options, you can choose whether the output from @sc{gnu}
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@command{size} resembles output from System V @command{size} (using @option{-A},
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or @option{--format=sysv}), or Berkeley @command{size} (using @option{-B}, or
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@option{--format=berkeley}). The default is the one-line format similar to
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Berkeley's.
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Berkeley's.
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@c Bonus for doc-source readers: you can also say --format=strange (or
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@c anything else that starts with 's') for sysv, and --format=boring (or
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@c anything else that starts with 'b') for Berkeley.
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Here is an example of the Berkeley (default) format of output from
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@command{size}:
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@command{size}:
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@smallexample
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$ size --format=Berkeley ranlib size
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text data bss dec hex filename
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@ -2122,18 +2122,18 @@ This is the same data, but displayed closer to System V conventions:
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$ size --format=SysV ranlib size
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ranlib :
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section size addr
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.text 294880 8192
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.data 81920 303104
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.bss 11592 385024
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Total 388392
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.text 294880 8192
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.data 81920 303104
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.bss 11592 385024
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Total 388392
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size :
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section size addr
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.text 294880 8192
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.data 81920 303104
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.bss 11888 385024
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Total 388688
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.text 294880 8192
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.data 81920 303104
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.bss 11888 385024
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Total 388688
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@end smallexample
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@item --help
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@ -2412,8 +2412,9 @@ When stripping a file, perhaps with @option{--strip-debug} or
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which would otherwise get stripped.
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@item --only-keep-debug
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Strip a file, removing any sections that would be stripped by
|
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@option{--strip-debug} and leaving the debugging sections.
|
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Strip a file, removing contents of any sections that would not be
|
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stripped by @option{--strip-debug} and leaving the debugging sections
|
||||
intact. In ELF files, this preserves all note sections in the output.
|
||||
|
||||
The intention is that this option will be used in conjunction with
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@option{--add-gnu-debuglink} to create a two part executable. One a
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||||
@ -2503,7 +2504,7 @@ able to distinguish these similarly named functions C++ and Java
|
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encode them into a low-level assembler name which uniquely identifies
|
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each different version. This process is known as @dfn{mangling}. The
|
||||
@command{c++filt}
|
||||
@footnote{MS-DOS does not allow @kbd{+} characters in file names, so on
|
||||
@footnote{MS-DOS does not allow @kbd{+} characters in file names, so on
|
||||
MS-DOS this program is named @command{CXXFILT}.}
|
||||
program does the inverse mapping: it decodes (@dfn{demangles}) low-level
|
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names into user-level names so that they can be read.
|
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@ -2643,7 +2644,7 @@ the Info entries for @file{binutils}.
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||||
@emph{Warning:} @command{c++filt} is a new utility, and the details of its
|
||||
user interface are subject to change in future releases. In particular,
|
||||
a command-line option may be required in the future to decode a name
|
||||
passed as an argument on the command line; in other words,
|
||||
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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||||
@ -2730,8 +2731,8 @@ Specify that the object-code format for the object files is
|
||||
Decode (@dfn{demangle}) low-level symbol names into user-level names.
|
||||
Besides removing any initial underscore prepended by the system, this
|
||||
makes C++ function names readable. Different compilers have different
|
||||
mangling styles. The optional demangling style argument can be used to
|
||||
choose an appropriate demangling style for your compiler. @xref{c++filt},
|
||||
mangling styles. The optional demangling style argument can be used to
|
||||
choose an appropriate demangling style for your compiler. @xref{c++filt},
|
||||
for more information on demangling.
|
||||
|
||||
@item -e @var{filename}
|
||||
@ -3155,7 +3156,7 @@ Specify an include directory to use when reading an @code{rc} file.
|
||||
@command{windres} will pass this to the preprocessor as an @option{-I}
|
||||
option. @command{windres} will also search this directory when looking for
|
||||
files named in the @code{rc} file. If the argument passed to this command
|
||||
matches any of the supported @var{formats} (as described in the @option{-J}
|
||||
matches any of the supported @var{formats} (as described in the @option{-J}
|
||||
option), it will issue a deprecation warning, and behave just like the
|
||||
@option{-J} option. New programs should not use this behaviour. If a
|
||||
directory happens to match a @var{format}, simple prefix it with @samp{./}
|
||||
@ -3193,8 +3194,8 @@ the language, and the high eight bits are the sublanguage.
|
||||
|
||||
@item --use-temp-file
|
||||
Use a temporary file to instead of using popen to read the output of
|
||||
the preprocessor. Use this option if the popen implementation is buggy
|
||||
on the host (eg., certain non-English language versions of Windows 95 and
|
||||
the preprocessor. Use this option if the popen implementation is buggy
|
||||
on the host (eg., certain non-English language versions of Windows 95 and
|
||||
Windows 98 are known to have buggy popen where the output will instead
|
||||
go the console).
|
||||
|
||||
@ -3253,7 +3254,7 @@ dlltool [@option{-d}|@option{--input-def} @var{def-file-name}]
|
||||
[@option{-b}|@option{--base-file} @var{base-file-name}]
|
||||
[@option{-e}|@option{--output-exp} @var{exports-file-name}]
|
||||
[@option{-z}|@option{--output-def} @var{def-file-name}]
|
||||
[@option{-l}|@option{--output-lib} @var{library-file-name}]
|
||||
[@option{-l}|@option{--output-lib} @var{library-file-name}]
|
||||
[@option{--export-all-symbols}] [@option{--no-export-all-symbols}]
|
||||
[@option{--exclude-symbols} @var{list}]
|
||||
[@option{--no-default-excludes}]
|
||||
@ -3265,7 +3266,7 @@ dlltool [@option{-d}|@option{--input-def} @var{def-file-name}]
|
||||
[@option{-p}|@option{--ext-prefix-alias} @var{prefix}]
|
||||
[@option{-x}|@option{--no-idata4}] [@option{-c}|@option{--no-idata5}] [@option{-i}|@option{--interwork}]
|
||||
[@option{-n}|@option{--nodelete}] [@option{-t}|@option{--temp-prefix} @var{prefix}]
|
||||
[@option{-v}|@option{--verbose}]
|
||||
[@option{-v}|@option{--verbose}]
|
||||
[@option{-h}|@option{--help}] [@option{-V}|@option{--version}]
|
||||
[object-file @dots{}]
|
||||
@c man end
|
||||
@ -3278,8 +3279,8 @@ dlltool [@option{-d}|@option{--input-def} @var{def-file-name}]
|
||||
line. It then processes these inputs and if the @option{-e} option has
|
||||
been specified it creates a exports file. If the @option{-l} option
|
||||
has been specified it creates a library file and if the @option{-z} option
|
||||
has been specified it creates a def file. Any or all of the @option{-e},
|
||||
@option{-l} and @option{-z} options can be present in one invocation of
|
||||
has been specified it creates a def file. Any or all of the @option{-e},
|
||||
@option{-l} and @option{-z} options can be present in one invocation of
|
||||
dlltool.
|
||||
|
||||
When creating a DLL, along with the source for the DLL, it is necessary
|
||||
@ -3300,7 +3301,7 @@ section of the object file. This can be done in C by using the
|
||||
asm() operator:
|
||||
|
||||
@smallexample
|
||||
asm (".section .drectve");
|
||||
asm (".section .drectve");
|
||||
asm (".ascii \"-export:my_func\"");
|
||||
|
||||
int my_func (void) @{ @dots{} @}
|
||||
@ -3310,7 +3311,7 @@ The second file needed for DLL creation is an exports file. This file
|
||||
is linked with the object files that make up the body of the DLL and it
|
||||
handles the interface between the DLL and the outside world. This is a
|
||||
binary file and it can be created by giving the @option{-e} option to
|
||||
@command{dlltool} when it is creating or reading in a @file{.def} file.
|
||||
@command{dlltool} when it is creating or reading in a @file{.def} file.
|
||||
|
||||
The third file needed for DLL creation is the library file that programs
|
||||
will link with in order to access the functions in the DLL. This file
|
||||
@ -3432,12 +3433,12 @@ contents of the DLL are actually encode using Thumb instructions.
|
||||
Specifies that when @command{dlltool} is creating the exports file it
|
||||
should add a section which allows the exported functions to be
|
||||
referenced without using the import library. Whatever the hell that
|
||||
means!
|
||||
means!
|
||||
|
||||
@item -U
|
||||
@itemx --add-underscore
|
||||
Specifies that when @command{dlltool} is creating the exports file it
|
||||
should prepend an underscore to the names of @emph{all} exported symbols.
|
||||
should prepend an underscore to the names of @emph{all} exported symbols.
|
||||
|
||||
@item --add-stdcall-underscore
|
||||
Specifies that when @command{dlltool} is creating the exports file it
|
||||
@ -3494,7 +3495,7 @@ file.
|
||||
@itemx --temp-prefix @var{prefix}
|
||||
Makes @command{dlltool} use @var{prefix} when constructing the names of
|
||||
temporary assembler and object files. By default, the temp file prefix
|
||||
is generated from the pid.
|
||||
is generated from the pid.
|
||||
|
||||
@item -v
|
||||
@itemx --verbose
|
||||
@ -3579,7 +3580,7 @@ The Info pages for @file{binutils}.
|
||||
|
||||
@smallexample
|
||||
@c man begin SYNOPSIS readelf
|
||||
readelf [@option{-a}|@option{--all}]
|
||||
readelf [@option{-a}|@option{--all}]
|
||||
[@option{-h}|@option{--file-header}]
|
||||
[@option{-l}|@option{--program-headers}|@option{--segments}]
|
||||
[@option{-S}|@option{--section-headers}|@option{--sections}]
|
||||
@ -3624,7 +3625,7 @@ affected.
|
||||
|
||||
The long and short forms of options, shown here as alternatives, are
|
||||
equivalent. At least one option besides @samp{-v} or @samp{-H} must be
|
||||
given.
|
||||
given.
|
||||
|
||||
@table @env
|
||||
@item -a
|
||||
@ -3632,7 +3633,7 @@ given.
|
||||
Equivalent to specifying @option{--file-header},
|
||||
@option{--program-headers}, @option{--sections}, @option{--symbols},
|
||||
@option{--relocs}, @option{--dynamic}, @option{--notes} and
|
||||
@option{--version-info}.
|
||||
@option{--version-info}.
|
||||
|
||||
@item -h
|
||||
@itemx --file-header
|
||||
@ -3804,8 +3805,8 @@ once because some of them can only be configured @dfn{native} (on hosts
|
||||
with the same type as the target system).
|
||||
|
||||
@menu
|
||||
* Target Selection::
|
||||
* Architecture Selection::
|
||||
* Target Selection::
|
||||
* Architecture Selection::
|
||||
@end menu
|
||||
|
||||
@node Target Selection
|
||||
|
||||
@ -1071,7 +1071,7 @@ filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
|
||||
}
|
||||
|
||||
if (!undefined
|
||||
&& (flags & BSF_LOCAL)
|
||||
&& (flags & BSF_LOCAL)
|
||||
&& is_specified_symbol (name, globalize_specific_list))
|
||||
{
|
||||
sym->flags &= ~ BSF_LOCAL;
|
||||
@ -1214,7 +1214,7 @@ add_redefine_syms_file (const char *filename)
|
||||
if (buf[0] != '\0')
|
||||
redefine_list_append (filename, &buf[0], &buf[outsym_off]);
|
||||
|
||||
lineno++;
|
||||
lineno++;
|
||||
len = 0;
|
||||
outsym_off = 0;
|
||||
if (c == EOF)
|
||||
@ -2212,6 +2212,9 @@ setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
|
||||
if (strip_symbols == STRIP_NONDEBUG
|
||||
&& obfd->xvec->flavour == bfd_target_elf_flavour
|
||||
&& (flags & SEC_ALLOC) != 0
|
||||
&& elf_section_type (osection) != SHT_NOTE
|
||||
&& (ibfd->xvec->flavour != bfd_target_elf_flavour
|
||||
|| elf_section_type (isection) != SHT_NOTE)
|
||||
&& (p == NULL || !p->set_flags))
|
||||
elf_section_type (osection) = SHT_NOBITS;
|
||||
|
||||
@ -2721,7 +2724,7 @@ strip_main (int argc, char *argv[])
|
||||
display_info ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
if (show_version)
|
||||
print_version ("strip");
|
||||
|
||||
@ -2795,7 +2798,7 @@ copy_main (int argc, char *argv[])
|
||||
char * binary_architecture = NULL;
|
||||
char *input_filename = NULL;
|
||||
char *output_filename = NULL;
|
||||
char *tmpname;
|
||||
char *tmpname;
|
||||
char *input_target = NULL;
|
||||
char *output_target = NULL;
|
||||
bfd_boolean show_version = FALSE;
|
||||
@ -3334,7 +3337,7 @@ copy_main (int argc, char *argv[])
|
||||
display_info ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
if (show_version)
|
||||
print_version ("objcopy");
|
||||
|
||||
@ -3389,7 +3392,7 @@ copy_main (int argc, char *argv[])
|
||||
tmpname = make_tempname (input_filename);
|
||||
else
|
||||
tmpname = output_filename;
|
||||
|
||||
|
||||
if (tmpname == NULL)
|
||||
fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
|
||||
input_filename, strerror (errno));
|
||||
|
||||
Loading…
Reference in New Issue
Block a user