From 715eb31fa9d767a9ba2fb4cda4c17e658e4b90a2 Mon Sep 17 00:00:00 2001 From: Roland Pesch Date: Fri, 1 Nov 1991 01:46:59 +0000 Subject: [PATCH] *** empty log message *** --- binutils/binutils.texinfo | 139 +++++++++++++++++++++++++++----------- 1 file changed, 99 insertions(+), 40 deletions(-) diff --git a/binutils/binutils.texinfo b/binutils/binutils.texinfo index bf4c62742f..3706e06fc6 100755 --- a/binutils/binutils.texinfo +++ b/binutils/binutils.texinfo @@ -53,6 +53,7 @@ into another language, under the above conditions for modified versions. @node Top, ar, (dir), (dir) @chapter Introduction +@cindex version This brief manual contains preliminary documentation for the GNU binary utilities (collectively version 1.90): @table @code @@ -100,18 +101,22 @@ into another language, under the above conditions for modified versions. @end ifinfo @menu -* ar:: ar -* ld:: ld -* nm:: nm -* objdump:: objdump -* ranlib:: ranlib -* size:: size -* strip:: strip +* ar:: Create, modify, and extract from archives +* ld:: See ld.info +* nm:: List symbols from object files +* objdump:: Display information from object files +* ranlib:: Generate index to archive contents +* size:: List section sizes and total size +* strip:: Discard symbols +* Index:: @end menu @node ar, ld, Top, Top @chapter ar +@kindex ar +@cindex archives +@cindex collections of files @smallexample ar [-]@var{p}@var{mod} [ @var{membername} ] @var{archive} @var{files}@dots{} @end smallexample @@ -125,6 +130,7 @@ The original files' contents, mode (permissions), timestamp, owner, and group are preserved in the archive, and may be reconstituted on extraction. +@cindex name length GNU @code{ar} can maintain archives whose members have names of any length; however, depending on how @code{ar} is configured on your system, a limit on member-name length may be imposed (for compatibility @@ -132,10 +138,12 @@ with archive formats maintained with other tools). If it exists, the limit is often 15 characters (typical of formats related to a.out) or 16 characters (typical of formats related to coff). +@cindex libraries @code{ar} is considered a binary utility because archives of this sort are most often used as @dfn{libraries} holding commonly needed subroutines. +@cindex symbol index @code{ar} will create an index to the symbols defined in relocatable object modules in the archive when you specify the modifier @samp{s}. Once created, this index is updated in the archive whenever @code{ar} @@ -161,11 +169,13 @@ flags @var{mod} in any order, within the first command-line argument. If you wish, you may begin the first command-line argument with a dash. +@cindex operations on archive The @var{p} keyletter specifies what operation to execute; it may be any of the following, but you must specify only one of them: @table @code @item d +@cindex deleting from archive @emph{Delete} modules from the archive. Specify the names of modules to be deleted as @var{files}; the archive is untouched if you specify no files to delete. @@ -174,6 +184,7 @@ If you specify the @samp{v} modifier, @code{ar} will list each module as it is deleted. @item m +@cindex moving in archive Use this operation to @emph{move} members in an archive. The ordering of members in an archive can make a difference in how @@ -186,6 +197,7 @@ you can use the @samp{a}, @samp{b}, or @samp{i} modifiers to move them to a specified place instead. @item p +@cindex printing from archive @emph{Print} the specified members of the archive, to the standard output file. If the @samp{v} modifier is specified, show the member name before copying its contents to standard output. @@ -193,6 +205,7 @@ name before copying its contents to standard output. If you specify no @var{files}, all the files in the archive are printed. @item q +@cindex quick append to archive @emph{Quick append}; add @var{files} to the end of @var{archive}, without checking for replacement. @@ -206,6 +219,7 @@ index is not updated, even if it already existed; you can use @samp{ar s} or @code{ranlib} explicitly to update the symbol table index. @item r +@cindex replacement in archive Insert @var{files} into @var{archive} (with @emph{replacement}). This operation differs from @samp{q} in that any previously existing members are deleted if their names match those being added. @@ -224,6 +238,7 @@ output for each file inserted, along with one of the letters @samp{a} or deleted) or replaced. @item t +@cindex contents of archive Display a @emph{table} listing the contents of @var{archive}, or those of the files listed in @var{files} that are present in the archive. Normally only the member name is shown; if you also want to @@ -233,6 +248,8 @@ request that by also specifying the @samp{v} modifier. If you do not specify any @var{files}, all files in the archive are listed. +@cindex repeated names in archive +@cindex name duplication in archive If there is more than one file with the same name (say, @samp{fie}) in an archive (say @samp{b.a}), @samp{ar t b.a fie} will list only the first instance; to see them all, you must ask for a complete @@ -241,6 +258,7 @@ listing---in our example, @samp{ar t b.a}. @c recent case in fact works the other way. @item x +@cindex extract from archive @emph{Extract} members (named @var{files}) from the archive. You can use the @samp{v} modifier with this operation, to request that @code{ar} list each name as it extracts it. @@ -255,6 +273,7 @@ keyletter, to specify variations on an operation's behavior: @table @code @item a +@cindex relative placement in archive Add new files @emph{after} an existing member of the archive. If you use the modifier @code{a}, the name of an existing archive member must be present as the @var{membername} argument, before the @@ -267,6 +286,7 @@ member must be present as the @var{membername} argument, before the @var{archive} specification. (same as @samp{i}). @item c +@cindex creating archives @emph{Create} the archive. The specified @var{archive} is always created if it didn't exist, when you request an update. But a warning is issued unless you specify in advance that you expect to create it, by @@ -284,17 +304,20 @@ This modifier is accepted but not used. @c what???---pesch@@cygnus.com, 25jan91 @item o +@cindex dates in archive Preserve the @emph{original} dates of members when extracting them. If you do not specify this modifier, files extracted from the archive will be stamped with the time of extraction. @item s +@cindex writing archive index Write an object-file index into the archive, or update an existing one, even if no other change is made to the archive. You may use this modifier flag either with any operation, or alone. Running @samp{ar s} on an archive is equivalent to running @samp{ranlib} on it. @item u +@cindex updating an archive Normally, @code{ar r}@dots{} inserts all files listed into the archive. If you would like to insert @emph{only} those of the files you list that are newer than existing members of the same @@ -312,11 +335,15 @@ when the modifier @samp{v} is appended. @node ld, nm, ar, Top @chapter ld +@cindex linker +@kindex ld The GNU linker @code{ld} is now described in a separate manual. @xref{Top,, Overview,, GLD: the GNU linker}. @node nm, objdump, ld, Top @chapter nm +@cindex symbols +@kindex nm @smallexample nm [ -a | +debug-syms ] [ -g | +extern-only ] @@ -334,19 +361,23 @@ equivalent. @table @code @item @var{objfiles}@dots{} +@kindex a.out Object files whose symbols are to be listed. If no object files are listed as arguments, @code{nm} assumes @samp{a.out}. @item -a @itemx +debug-syms +@cindex debugging symbols Display debugger-only symbols; normally these are not listed. @item -g @itemx +extern-only +@cindex external symbols Display only external symbols. @item -p @itemx +no-sort +@cindex sorting symbols Don't bother to sort the symbols in any order; just print them in the order encountered. @@ -357,12 +388,16 @@ names. @item -s @itemx +print-armap -When listing symbols from archives, list the index: a mapping (stored in -the archive by @code{ar} or @code{ranlib}) of what modules contain -definitions for what names. +@cindex symbol index, listing +When listing symbols from archive members, include the index: a mapping +(stored in the archive by @code{ar} or @code{ranlib}) of what modules +contain definitions for what names. @item -o @itemx +print-file-name +@cindex input file name +@cindex file name +@cindex source file name Precede each symbol by the name of the input file where it was found, rather than identifying the input file once only before all of its symbols. @@ -374,12 +409,15 @@ last come first. @item +target @var{bfdname} @c @item +target +@cindex object code format Specify an object code format other than your system's default format. @xref{objdump}, for information on listing available formats. @c FIXME what *does* +target/no arg do? @item -u @itemx +undefined-only +@cindex external symbols +@cindex undefined symbols Display only undefined symbols (those external to each object file). @end table @@ -387,6 +425,9 @@ Display only undefined symbols (those external to each object file). @node objdump, ranlib, nm, Top @chapter objdump +@cindex object file information +@kindex objdump + @smallexample objdump [ -a ] [ -b @var{bfdname} ] [ -d ] [ -f ] [ -h | +header ] [ -i ] [ -j @var{section} ] [ -l ] @@ -406,15 +447,20 @@ equivalent. @table @code @item @var{objfiles}@dots{} -The object files to be examined. +The object files to be examined. When you specify archives, +@code{objdump} shows information on each of the member object files. @item -a @c print_arelt_descr +@cindex archive headers If any files from @var{objfiles} are archives, display the archive -header information (in a format similar to @samp{ls -l}). +header information (in a format similar to @samp{ls -l}). Besides the +information you could list with @samp{ar tv}, @samp{objdump -a} shows +the object file format of each archive member. @c suggest longname +target or +format or +bfd @item -b @var{bfdname} +@cindex object code format You can specify a particular object-code format for your object files as @var{bfdname}. This may not be necessary; @var{objdump} can automatically recognize many formats. For example, @@ -428,59 +474,78 @@ file in the format produced by Oasys compilers. You can list the formats available with the @samp{-i} option. @item -d +@cindex disassembling object code +@cindex machine instructions Disassemble. Display the assembler mnemonics for the machine instructions from @var{objfiles}. @item -f +@cindex object file header File header. Display summary information from the overall header of each file in @var{objfiles}. @item -h @itemx +header +@cindex section headers Header. Display summary information from the section headers of the object file. @item -i +@cindex architectures available +@cindex object formats available Display a list showing all architectures and object formats available for specification with @code{-b} or @code{-m}. @c suggest longname +section @item -j @var{name} +@cindex section information Display information only for section @var{name} @c suggest longname +label or +linespec @item -l +@cindex source filenames for object files Label the display (using debugging information) with the source filename and line numbers corresponding to the object code shown. @c suggest longname +architecture @item -m @var{machine} +@cindex architecture Specify the object files @var{objfiles} are for architecture @var{machine}. You can list available architectures using the @samp{-i} option. @item -r @itemx +reloc +@cindex relocation entries, in object file Relocation. Print the relocation entries of the file. @item -s +@cindex sections, full contents +@cindex object file sections Display the full contents of any sections requested. @item -t @itemx +syms +@cindex symbol table entries, printing Symbol Table. Print the symbol table entries of the file. This is similar to the information provided by the @samp{nm} program. @item -x +@cindex all header information, object file +@cindex header information, all Display all available header information, including the symbol table and relocation entries. Using @samp{-x} is equivalent to specifying all of -@samp{-f -a -h -r -t}. +@samp{-a -f -h -r -t}. @end table @node ranlib, size, objdump, Top @chapter ranlib +@kindex ranlib +@cindex archive contents +@cindex symbol index + @smallexample ranlib @var{archive} @end smallexample @@ -499,35 +564,12 @@ The GNU @code{ranlib} program is another form of GNU @code{ar}; running @code{ranlib} is completely equivalent to executing @samp{ar -s}. @xref{ar}. -@ignore -@c FIXME vintage ranlib had options [ -t | +touch ] [ -v | +verbose ] -@c which are gone here. Good or evil? - -@code{ranlib}'s options make it report on what it's doing and fake an -update of a particular archive's index. - -Any command-line options must precede the archive name. - -The long and short forms of options, shown here as alternatives, are -equivalent. - -@table @code - -@item -t | +touch -You can use the ``touch'' option to fake an update of the index -table in archives; @code{ranlib} will first set the current date for the -index object module in the archive (to make it appear to have changed). - -@item -v | +verbose -Use this option if you'd like informational messages about what -@code{ranlib} is up to, while it loops through the specified archives. - -@end table -@end ignore - @node size, strip, ranlib, Top @chapter size +@kindex size +@cindex section sizes + @smallexample size [ -A | -B | +format @var{compatibility} ] [ +help ] [ -d | -o | -x | +radix @var{number} ] @@ -548,6 +590,7 @@ The object files to be examined. @item -A @itemx -B @itemx +format @var{compatibility} +@cindex size display format Using one of these options, you can choose whether the output from GNU @code{size} resembles output from System V @code{size} (using @samp{-A}, or @samp{+format sysv}, or Berkeley @code{size} (using @samp{-B}, or @@ -594,6 +637,8 @@ Show a summary of acceptable arguments and options. @itemx -o @itemx -x @itemx +radix @var{number} +@cindex size number format +@cindex radix for section sizes Using one of these options, you can control whether the size of each section is given in decimal (@samp{-d}, or @samp{+radix 10}); octal (@samp{-o}, or @samp{+radix 8}); or hexadecimal (@samp{-x}, or @@ -603,6 +648,7 @@ radices; decimal and hexadecimal for @samp{-d} or @samp{-x} output, or octal and hexadecimal if you're using @samp{-o}. @item +target @var{bfdname} +@cindex object code format You can specify a particular object-code format for @var{objfiles} as @var{bfdname}. This may not be necessary; @var{size} can automatically recognize many formats. @xref{objdump}, for information @@ -614,9 +660,13 @@ Display version number information on @code{size} itself. @end table -@node strip, , size, Top +@node strip, Index, size, Top @chapter strip +@kindex strip +@cindex removing symbols +@cindex discarding symbols + @smallexample strip [ -s | +strip-all ] [ -g | -S | +strip-debug ] [ -x | +discard-all ] [ -X | +discard-locals ] @@ -641,15 +691,18 @@ equivalent. @table @code @item -s @itemx +strip-all +@cindex all symbols, discarding This is the default case: strip all symbol entries from @var{objfiles}. @item -g @itemx -S @itemx +strip-debug +@cindex debugging symbols, discarding Discard only debugging symbol information from @var{objfiles}. @item -x @itemx +discard-all +@cindex local symbols, discarding Discard all symbols local to each file in @var{objfiles}. @emph{WARNING:} Note that @code{+discard-all} discards only @emph{local} symbols, in spite of its name. @@ -661,11 +714,17 @@ Discard local symbols starting with @samp{L} from each file in begin with @samp{L}.) @item -T @var{bfdname} +@cindex object code format You can specify a particular object-code format @var{bfdname} for @var{objfiles}. This may not be necessary; @var{strip} can automatically recognize many formats. @xref{objdump}, for information on listing available formats. @end table +@node Index, , strip, Top +@unnumbered Index + +@printindex cp + @contents @bye