diff options
| -rw-r--r-- | ChangeLog | 41 | ||||
| -rw-r--r-- | manual/texinfo.tex | 265 | ||||
| -rw-r--r-- | nptl/ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h | 2 | ||||
| -rw-r--r-- | sysdeps/powerpc/bits/atomic.h | 85 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/bits/atomic.h | 31 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/bits/atomic.h | 84 |
7 files changed, 397 insertions, 116 deletions
diff --git a/ChangeLog b/ChangeLog index 6e393e646e..d84ce36dc7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,42 @@ +2003-05-12 Steven Munroe <sjmunroe@us.ibm.com> + + * sysdeps/powerpc/bits/atomic.h + (__arch_compare_and_exchange_bool_8_rel): Define. + (__arch_compare_and_exchange_bool_16_rel): Define. + (__ARCH_REL_INSTR): Define if not already defined. + (__arch_atomic_exchange_and_add_32): Add "memory" to clobber list. + (__arch_atomic_decrement_if_positive_32): + Add "memory" to clobber list. + (__arch_compare_and_exchange_val_32_acq): Remove release sync. + (__arch_compare_and_exchange_val_32_rel): Define. + (__arch_atomic_exchange_32): Remove. + (__arch_atomic_exchange_32_acq): Define. + (__arch_atomic_exchange_32_rel): Define. + (atomic_compare_and_exchange_val_rel): Define. + (atomic_exchange_acq): Use __arch_atomic_exchange_*_acq forms. + (atomic_exchange_rel): Define. + * sysdeps/powerpc/powerpc32/bits/atomic.h + (__arch_compare_and_exchange_bool_32_acq): Remove release sync. + (__arch_compare_and_exchange_bool_32_rel): Define. + (__arch_compare_and_exchange_bool_64_rel): Define. + (__arch_compare_and_exchange_val_64_rel): Define. + (__arch_atomic_exchange_64): Remove. + (__arch_atomic_exchange_64_acq): Define. + (__arch_atomic_exchange_64_rel): Define. + * sysdeps/powerpc/powerpc64/bits/atomic.h + (__arch_compare_and_exchange_bool_32_rel): Define. + (__arch_compare_and_exchange_bool_64_acq): Remove release sync. + (__arch_compare_and_exchange_bool_64_rel): Define. + (__arch_compare_and_exchange_val_64_acq): Remove release sync. + (__arch_compare_and_exchange_val_64_rel): Define. + (__arch_atomic_exchange_64): Remove. + (__arch_atomic_exchange_64_acq): Define. + (__arch_atomic_exchange_64_rel): Define. + (__arch_atomic_exchange_and_add_64): Add "memory" to clobber list. + (__arch_atomic_decrement_if_positive_64): + Add "memory" to clobber list. + [!UP](__ARCH_REL_INSTR): Define as lwsync. + 2003-05-11 Andreas Schwab <schwab@suse.de> * io/Makefile ($(objpfx)ftwtest.out): Use absolute file names. @@ -9,7 +48,7 @@ 2003-05-11 Jim Meyering <jim@meyering.net> * time/strftime.c (my_strftime): Let the `-' (no-pad) flag affect - the space-padded-by-default conversion specifiers, %e, %k, %l. + the space-padded-by-default conversion specifiers, %e, %k, %l. 2003-05-11 Andreas Schwab <schwab@suse.de> diff --git a/manual/texinfo.tex b/manual/texinfo.tex index 555a07707a..e9293f3b9d 100644 --- a/manual/texinfo.tex +++ b/manual/texinfo.tex @@ -3,7 +3,7 @@ % Load plain if necessary, i.e., if running under initex. \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi % -\def\texinfoversion{2003-02-03.16} +\def\texinfoversion{2003-05-04.08} % % Copyright (C) 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995, % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. @@ -34,12 +34,12 @@ % ftp://tug.org/tex/texinfo.tex % (and all CTAN mirrors, see http://www.ctan.org), % and /home/gd/gnu/doc/texinfo.tex on the GNU machines. -% +% % The GNU Texinfo home page is http://www.gnu.org/software/texinfo. -% +% % The texinfo.tex in any given Texinfo distribution could well be out % of date, so if that's what you're using, please check. -% +% % Send bug reports to bug-texinfo@gnu.org. Please include including a % complete document in each bug report with which we can reproduce the % problem. Patches are, of course, greatly appreciated. @@ -55,7 +55,7 @@ % The extra TeX runs get the cross-reference information correct. % Sometimes one run after texindex suffices, and sometimes you need more % than two; texi2dvi does it as many times as necessary. -% +% % It is possible to adapt texinfo.tex for other languages, to some % extent. You can get the existing language-specific files from the % full Texinfo distribution. @@ -71,11 +71,11 @@ \message{Basics,} \chardef\other=12 -% We never want plain's outer \+ definition in Texinfo. +% We never want plain's \outer definition of \+ in Texinfo. % For @tex, we can use \tabalign. \let\+ = \relax -% Save some parts of plain tex whose names we will redefine. +% Save some plain tex macros whose names we will redefine. \let\ptexb=\b \let\ptexbullet=\bullet \let\ptexc=\c @@ -88,10 +88,12 @@ \let\ptexgtr=> \let\ptexhat=^ \let\ptexi=\i +\let\ptexindent=\indent \let\ptexlbrace=\{ \let\ptexless=< \let\ptexplus=+ \let\ptexrbrace=\} +\let\ptexslash=\/ \let\ptexstar=\* \let\ptext=\t @@ -164,8 +166,9 @@ % Hyphenation fixes. \hyphenation{ap-pen-dix} -\hyphenation{mini-buf-fer mini-buf-fers} \hyphenation{eshell} +\hyphenation{mini-buf-fer mini-buf-fers} +\hyphenation{time-stamp} \hyphenation{white-space} % Margin to add to right of even pages, to left of odd pages. @@ -202,7 +205,7 @@ % add check for \lastpenalty to plain's definitions. If the last thing % we did was a \nobreak, we don't want to insert more space. -% +% \def\smallbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\smallskipamount \removelastskip\penalty-50\smallskip\fi\fi} \def\medbreak{\ifnum\lastpenalty<10000\par\ifdim\lastskip<\medskipamount @@ -536,6 +539,9 @@ % @* forces a line break. \def\*{\hfil\break\hbox{}\ignorespaces} +% @/ allows a line break. +\let\/=\allowbreak + % @. is an end-of-sentence period. \def\.{.\spacefactor=3000 } @@ -564,7 +570,7 @@ % explicit \vfill so that the extra space is at the bottom. The % threshold for doing this is if the group is more than \vfilllimit % percent of a page (\vfilllimit can be changed inside of @tex). -% +% \newbox\groupbox \def\vfilllimit{0.7} % @@ -721,8 +727,7 @@ where each line of input produces a line of output.} \spacefactor=3000 } - -% @page forces the start of a new page +% @page forces the start of a new page. % \def\page{\par\vfill\supereject} @@ -771,10 +776,10 @@ where each line of input produces a line of output.} % @inmargin{TEXT [, RIGHT-TEXT]} % (if RIGHT-TEXT is given, use TEXT for left page, RIGHT-TEXT for right; % else use TEXT for both). -% +% \def\inmargin#1{\parseinmargin #1,,\finish} \def\parseinmargin#1,#2,#3\finish{% not perfect, but better than nothing. - \setbox0 = \hbox{\ignorespaces #2}% + \setbox0 = \hbox{\ignorespaces #2}% \ifdim\wd0 > 0pt \def\lefttext{#1}% have both texts \def\righttext{#2}% @@ -843,8 +848,9 @@ where each line of input produces a line of output.} % @paragraphindent NCHARS % We'll use ems for NCHARS, close enough. -% We cannot implement @paragraphindent asis, though. -% +% NCHARS can also be the word `asis' or `none'. +% We cannot feasibly implement @paragraphindent asis, though. +% \def\asisword{asis} % no translation, these are keywords \def\noneword{none} % @@ -879,6 +885,53 @@ where each line of input produces a line of output.} \fi } +% @firstparagraphindent WORD +% If WORD is `none', then suppress indentation of the first paragraph +% after a section heading. If WORD is `insert', then do indentat such +% paragraphs. +% +% The paragraph indentation is suppressed or not by calling +% \suppressfirstparagraphindent, which the sectioning commands do. We +% switch the definition of this back and forth according to WORD. By +% default, we suppress indentation. +% +\def\suppressfirstparagraphindent{\dosuppressfirstparagraphindent} +\newdimen\currentparindent +% +\def\insertword{insert} +% +\def\firstparagraphindent{\parsearg\dofirstparagraphindent} +\def\dofirstparagraphindent#1{% + \def\temp{#1}% + \ifx\temp\noneword + \let\suppressfirstparagraphindent = \dosuppressfirstparagraphindent + \else\ifx\temp\insertword + \let\suppressfirstparagraphindent = \relax + \else + \errhelp = \EMsimple + \errmessage{Unknown @firstparagraphindent option `\temp'}% + \fi\fi +} + +% Here is how we actually suppress indentation. Redefine \everypar to +% \kern backwards by \parindent, and then reset itself to empty. +% +% We also make \indent itself not actually do anything until the next +% paragraph. +% +\gdef\dosuppressfirstparagraphindent{% + \gdef\indent{% + \global\let\indent=\ptexindent + \global\everypar = {}% + }% + \global\everypar = {% + \kern-\parindent + \global\let\indent=\ptexindent + \global\everypar = {}% + }% +}% + + % @asis just yields its argument. Used with @table, for example. % \def\asis#1{#1} @@ -887,14 +940,14 @@ where each line of input produces a line of output.} % We don't use $'s directly in the definition of \math because we need % to set catcodes according to plain TeX first, to allow for subscripts, % superscripts, special math chars, etc. -% +% \let\implicitmath = $%$ font-lock fix % % One complication: _ usually means subscripts, but it could also mean % an actual _ character, as in @math{@var{some_variable} + 1}. So make % _ within @math be active (mathcode "8000), and distinguish by seeing % if the current family is \slfam, which is what @var uses. -% +% {\catcode\underChar = \active \gdef\mathunderscore{% \catcode\underChar=\active @@ -905,7 +958,7 @@ where each line of input produces a line of output.} % FYI, plain.tex uses \\ as a temporary control sequence (why?), but % this is not advertised and we don't care. Texinfo does not % otherwise define @\. -% +% % The \mathchar is class=0=ordinary, family=7=ttfam, position=5C=\. \def\mathbackslash{\ifnum\fam=\ttfam \mathchar"075C \else\backslash \fi} % @@ -920,7 +973,7 @@ where each line of input produces a line of output.} % Some active characters (such as <) are spaced differently in math. % We have to reset their definitions in case the @math was an % argument to a command which set the catcodes (such as @item or @section). -% +% { \catcode`^ = \active \catcode`< = \active @@ -1046,8 +1099,8 @@ where each line of input produces a line of output.} \def\pdfmakeoutlines{{% \openin 1 \jobname.toc \ifeof 1\else\begingroup - \closein 1 - % Thanh's hack / proper braces in bookmarks + \closein 1 + % Thanh's hack / proper braces in bookmarks \edef\mylbrace{\iftrue \string{\else}\fi}\let\{=\mylbrace \edef\myrbrace{\iffalse{\else\string}\fi}\let\}=\myrbrace % @@ -1076,7 +1129,7 @@ where each line of input produces a line of output.} \let\unnumbsubsubsecentry = \subsubsecentry % % Make special characters normal for writing to the pdf file. - % + % \indexnofonts \let\tt=\relax \turnoffactive @@ -1091,7 +1144,7 @@ where each line of input produces a line of output.} \let\nextmakelinks=\makelinks \ifnum\lnkcount>0,\fi \picknum{#1}% - \startlink attr{/Border [0 0 0]} + \startlink attr{/Border [0 0 0]} goto name{\pdfmkpgn{\the\pgn}}% \linkcolor #1% \advance\lnkcount by 1% @@ -1146,7 +1199,7 @@ where each line of input produces a line of output.} \ifx\first0\adn0 \else\ifx\first1\adn1 \else\ifx\first2\adn2 \else\ifx\first3\adn3 \else\ifx\first4\adn4 \else\ifx\first5\adn5 \else\ifx\first6\adn6 - \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 + \else\ifx\first7\adn7 \else\ifx\first8\adn8 \else\ifx\first9\adn9 \else \ifnum0=\countA\else\makelink\fi \ifx\first.\let\next=\done\else @@ -1400,12 +1453,12 @@ where each line of input produces a line of output.} % 8.5x11=90+ smallbook=80 a4=90+ a5=77 % For me, subjectively, the few extra characters that fit aren't worth % the additional smallness of 8pt. So I'm making the default 9pt. -% +% % By the way, for comparison, here's what fits with @example (10pt): % 8.5x11=71 smallbook=60 a4=75 a5=58 -% +% % I wish we used A4 paper on this side of the Atlantic. -% +% % --karl, 24jan03. @@ -1431,7 +1484,8 @@ where each line of input produces a line of output.} % \smartitalic{ARG} outputs arg in italics, followed by an italic correction % unless the following character is such as not to need one. -\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi} +\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else + \ptexslash\fi\fi\fi} \def\smartslanted#1{{\ifusingtt\ttsl\sl #1}\futurelet\next\smartitalicx} \def\smartitalic#1{{\ifusingtt\ttsl\it #1}\futurelet\next\smartitalicx} @@ -1454,7 +1508,7 @@ where each line of input produces a line of output.} % Set sfcode to normal for the chars that usually have another value. % Can't use plain's \frenchspacing because it uses the `\x notation, and % sometimes \x has an active definition that messes things up. -% +% \catcode`@=11 \def\frenchspacing{% \sfcode\dotChar =\@m \sfcode\questChar=\@m \sfcode\exclamChar=\@m @@ -1563,7 +1617,7 @@ where each line of input produces a line of output.} \gdef\kbdexamplefont{\tt}\gdef\kbdfont{\tt}% \else \errhelp = \EMsimple - \errmessage{Unknown @kbdinputstyle `\arg'}% + \errmessage{Unknown @kbdinputstyle option `\arg'}% \fi\fi\fi } \def\worddistinct{distinct} @@ -1614,7 +1668,7 @@ where each line of input produces a line of output.} % rms does not like angle brackets --karl, 17may97. % So now @email is just like @uref, unless we are pdf. -% +% %\def\email#1{\angleleft{\tt #1}\angleright} \ifpdf \def\email#1{\doemail#1,,\finish} @@ -1659,6 +1713,16 @@ where each line of input produces a line of output.} % @pounds{} is a sterling sign. \def\pounds{{\it\$}} +% @registeredsymbol - R in a circle. For now, only works in text size; +% we'd have to redo the font mechanism to change the \scriptstyle and +% \scriptscriptstyle font sizes to make it look right in headings. +% Adapted from the plain.tex definition of \copyright. +% +\def\registeredsymbol{% + $^{{\ooalign{\hfil\raise.07ex\hbox{$\scriptstyle\rm R$}\hfil\crcr\Orb}}% + }$% +} + \message{page headings,} @@ -2071,18 +2135,21 @@ where each line of input produces a line of output.} \itemizey {#1}{\Eitemize} } -\def\itemizey #1#2{% -\aboveenvbreak % -\itemmax=\itemindent % -\advance \itemmax by -\itemmargin % -\advance \leftskip by \itemindent % -\exdentamount=\itemindent -\parindent = 0pt % -\parskip = \smallskipamount % -\ifdim \parskip=0pt \parskip=2pt \fi% -\def#2{\endgraf\afterenvbreak\endgroup}% -\def\itemcontents{#1}% -\let\item=\itemizeitem} +\def\itemizey#1#2{% + \aboveenvbreak + \itemmax=\itemindent + \advance\itemmax by -\itemmargin + \advance\leftskip by \itemindent + \exdentamount=\itemindent + \parindent=0pt + \parskip=\smallskipamount + \ifdim\parskip=0pt \parskip=2pt \fi + \def#2{\endgraf\afterenvbreak\endgroup}% + \def\itemcontents{#1}% + % @itemize with no arg is equivalent to @itemize @bullet. + \ifx\itemcontents\empty\def\itemcontents{\bullet}\fi + \let\item=\itemizeitem +} % \splitoff TOKENS\endmark defines \first to be the first token in % TOKENS, and \rest to be the remainder. @@ -2493,12 +2560,12 @@ width0pt\relax} \fi % @deffn ... % @end deffn % @end ignore -% +% % The @end deffn is going to get expanded, because we're trying to allow % nested conditionals. But we don't want to expand the actual @deffn, % since it might be syntactically correct and intended to be ignored. % Since \end checks for \relax, using \empty does not cause an error. -% +% \def\ignoremorecommands{% \let\defcodeindex = \relax \let\defcv = \empty @@ -2903,10 +2970,10 @@ width0pt\relax} \fi % @synindex foo bar makes index foo feed into index bar. % Do this instead of @defindex foo if you don't want it as a separate index. -% +% % @syncodeindex foo bar similar, but put all entries made for index foo % inside @code. -% +% \def\synindex#1 #2 {\dosynindex\doindex{#1}{#2}} \def\syncodeindex#1 #2 {\dosynindex\docodeindex{#1}{#2}} @@ -2948,13 +3015,13 @@ width0pt\relax} \fi % Take care of Texinfo commands that can appear in an index entry. % Since there are some commands we want to expand, and others we don't, % we have to laboriously prevent expansion for those that we don't. -% +% \def\indexdummies{% \def\@{@}% change to @@ when we switch to @ as escape char in index files. \def\ {\realbackslash\space }% % Need these in case \tex is in effect and \{ is a \delimiter again. % But can't use \lbracecmd and \rbracecmd because texindex assumes - % braces and backslashes are used only as delimiters. + % braces and backslashes are used only as delimiters. \let\{ = \mylbrace \let\} = \myrbrace % @@ -2963,14 +3030,14 @@ width0pt\relax} \fi % words, not control letters, because the \space would be incorrect % for control characters, but is needed to separate the control word % from whatever follows. - % + % % For control letters, we have \definedummyletter, which omits the % space. - % + % % These can be used both for control words that take an argument and % those that do not. If it is followed by {arg} in the input, then % that will dutifully get written to the index (or wherever). - % + % \def\definedummyword##1{% \expandafter\def\csname ##1\endcsname{\realbackslash ##1\space}% }% @@ -2983,9 +3050,9 @@ width0pt\relax} \fi } % For the aux file, @ is the escape character. So we want to redefine -% everything using @ instead of \realbackslash. When everything uses +% everything using @ instead of \realbackslash. When everything uses % @, this will be simpler. -% +% \def\atdummies{% \def\@{@@}% \def\ {@ }% @@ -3006,7 +3073,7 @@ width0pt\relax} \fi % Called from \indexdummies and \atdummies. \definedummyword and % \definedummyletter must be defined first. -% +% \def\commondummies{% % \normalturnoffactive @@ -3326,6 +3393,7 @@ width0pt\relax} \fi % \smallfonts \rm \tolerance = 9500 + \everypar = {}% don't want the \kern\-parindent from indentation suppression. \indexbreaks % % See if the index file exists and is nonempty. @@ -3569,7 +3637,7 @@ width0pt\relax} \fi \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}% } -% +% % All done with double columns. \def\enddoublecolumns{% \output = {% @@ -3707,6 +3775,7 @@ width0pt\relax} \fi \numberedsubsubseczzz{#2} \fi \fi +\suppressfirstparagraphindent } % like \numhead, but chooses appendix heading levels @@ -3726,6 +3795,7 @@ width0pt\relax} \fi \appendixsubsubseczzz{#2} \fi \fi +\suppressfirstparagraphindent } % like \numhead, but chooses numberless heading levels @@ -3745,6 +3815,7 @@ width0pt\relax} \fi \unnumberedsubsubseczzz{#2} \fi \fi +\suppressfirstparagraphindent } % @chapter, @appendix, @unnumbered. @@ -4357,7 +4428,7 @@ width0pt\relax} \fi % @foo ... @end foo. % @point{}, @result{}, @expansion{}, @print{}, @equiv{}. -% +% % Since these characters are used in examples, it should be an even number of % \tt widths. Each \tt character is 1en, so two makes it 1em. % @@ -4369,7 +4440,7 @@ width0pt\relax} \fi % The @error{} command. % Adapted from the TeXbook's \boxit. -% +% \newbox\errorbox % {\tentt \global\dimen0 = 3em}% Width of the box. @@ -4416,9 +4487,11 @@ width0pt\relax} \fi \let\equiv=\ptexequiv \let\!=\ptexexclam \let\i=\ptexi + \let\indent=\ptexindent \let\{=\ptexlbrace \let\+=\tabalign \let\}=\ptexrbrace + \let\/=\ptexslash \let\*=\ptexstar \let\t=\ptext % @@ -4668,7 +4741,7 @@ width0pt\relax} \fi % LaTeX-like @verbatim...@end verbatim and @verb{<char>...<char>} -% If we want to allow any <char> as delimiter, +% If we want to allow any <char> as delimiter, % we need the curly braces so that makeinfo sees the @verb command, eg: % `@verbx...x' would look like the '@verbx' command. --janneke@gnu.org % @@ -4746,8 +4819,8 @@ width0pt\relax} \fi \everypar{\starttabbox}% } -% Do the @verb magic: verbatim text is quoted by unique -% delimiter characters. Before first delimiter expect a +% Do the @verb magic: verbatim text is quoted by unique +% delimiter characters. Before first delimiter expect a % right brace, after last delimiter expect closing brace: % % \def\doverb'{'<char>#1<char>'}'{#1} @@ -4766,7 +4839,7 @@ width0pt\relax} \fi % % \def\doverbatim#1@end verbatim{#1} % -% For Texinfo it's a lot easier than for LaTeX, +% For Texinfo it's a lot easier than for LaTeX, % because texinfo's \verbatim doesn't stop at '\end{verbatim}': % we need not redefine '\', '{' and '}'. % @@ -4833,14 +4906,14 @@ width0pt\relax} \fi % @copying ... @end copying. % Save the text away for @insertcopying later. Many commands won't be % allowed in this context, but that's ok. -% +% % We save the uninterpreted tokens, rather than creating a box. % Saving the text in a box would be much easier, but then all the % typesetting commands (@smallbook, font changes, etc.) have to be done % beforehand -- and a) we want @copying to be done first in the source % file; b) letting users define the frontmatter in as flexible order as % possible is very desirable. -% +% \def\copying{\begingroup % Define a command to swallow text until we reach `@end copying'. % \ is the escape char in this texinfo.tex file, so it is the @@ -4863,15 +4936,15 @@ width0pt\relax} \fi % end-of-line to be a \par, as would happen with the normal active % definition of ^^M. On the third hand, two ^^M's in a row should still % generate a \par. -% +% % Our approach is to make ^^M insert a space and a penalty1 normally; % then it can also check if \lastpenalty=1. If it does, then manually % do \par. -% +% % This messes up the normal definitions of @c[omment], so we redefine % it. Similarly for @ignore. (These commands are used in the gcc % manual for man page generation.) -% +% % Seems pretty fragile, most line-oriented commands will presumably % fail, but for the limited use of getting the copying text (which % should be quite simple) inserted, we can hope it's ok. @@ -4912,7 +4985,7 @@ width0pt\relax} \fi \newcount\parencount % We want ()&[] to print specially on the defun line. -% +% \def\activeparens{% \catcode`\(=\active \catcode`\)=\active \catcode`\&=\active @@ -5015,7 +5088,7 @@ width0pt\relax} \fi % #1 is the \E... control sequence to end the definition (which we define). % #2 is the \...x control sequence (which our caller defines). % #3 is the control sequence to process the header, such as \defunheader. -% +% \def\parsebodycommon#1#2#3{% \begingroup\inENV % If there are two @def commands in a row, we'll have a \nobreak, @@ -5038,7 +5111,7 @@ width0pt\relax} \fi } % Common part of the \...x definitions. -% +% \def\defxbodycommon{% % As with \parsebodycommon above, allow line break if we have multiple % x headers in a row. It's not a great place, though. @@ -5089,7 +5162,7 @@ width0pt\relax} \fi % to account for this both in the \...x definition and in parsing the % input at hand. Thus also need a control sequence (passed as #5) for % the \E... definition to assign the category name to. -% +% \def\deftypeopparsebody#1#2#3#4#5 #6 {% \parsebodycommon{#1}{#2}{#3}% \def#2##1 ##2 ##3 {\def#4{##1}% @@ -5194,7 +5267,7 @@ width0pt\relax} \fi } % This expands the args and terminates the paragraph they comprise. -% +% \def\defunargs#1{\functionparens \sl % Expand, preventing hyphenation at `-' chars. % Note that groups don't affect changes in \hyphenchar. @@ -5456,7 +5529,7 @@ width0pt\relax} \fi % These definitions are used if you use @defunx (etc.) % anywhere other than immediately after a @defun or @defunx. -% +% \def\defcvx#1 {\errmessage{@defcvx in invalid context}} \def\deffnx#1 {\errmessage{@deffnx in invalid context}} \def\defivarx#1 {\errmessage{@defivarx in invalid context}} @@ -5628,7 +5701,7 @@ width0pt\relax} \fi % Called by \do from \dounmacro on each macro. The idea is to omit any % macro definitions that have been changed to \relax. -% +% \def\unmacrodo#1{% \ifx#1\relax % remove this @@ -5784,8 +5857,8 @@ width0pt\relax} \fi % @node's job is to define \lastnode. \def\node{\ENVcheck\parsearg\nodezzz} -\def\nodezzz#1{\nodexxx [#1,]} -\def\nodexxx[#1,#2]{\gdef\lastnode{#1}} +\def\nodezzz#1{\nodexxx #1,\finishnodeparse} +\def\nodexxx#1,#2\finishnodeparse{\gdef\lastnode{#1}} \let\nwnode=\node \let\lastnode=\relax @@ -5823,14 +5896,14 @@ width0pt\relax} \fi % anchor), namely NAME-title (the corresponding @chapter/etc. name), % NAME-pg (the page number), and NAME-snt (section number and type). % Called from \foonoderef. -% +% % We have to set \indexdummies so commands such as @code in a section % title aren't expanded. It would be nicer not to expand the titles in % the first place, but there's so many layers that that is hard to do. % % Likewise, use \turnoffactive so that punctuation chars such as underscore % and backslash work in node names. -% +% \def\setref#1#2{{% \atdummies \pdfmkdest{#1}% @@ -5913,14 +5986,25 @@ width0pt\relax} \fi \setbox2 = \hbox{\ignorespaces \refx{#1-snt}{}}% \ifdim \wd2 > 0pt \refx{#1-snt}\space\fi }% - % [mynode], - [\printednodename],\space - % page 3 + % output the `[mynode]' via a macro. + \xrefprintnodename\printednodename + % + % But we always want a comma and a space: + ,\space + % + % output the `page 3'. \turnoffactive \otherbackslash \putwordpage\tie\refx{#1-pg}{}% \fi \endlink \endgroup} +% This macro is called from \xrefX for the `[nodename]' part of xref +% output. It's a separate macro only so it can be changed more easily, +% since not square brackets don't work in some documents. Particularly +% one that Bob is working on :). +% +\def\xrefprintnodename#1{[#1]} + % \dosetq is called from \setref to do the actual \write (\iflinks). % \def\dosetq#1#2{% @@ -5935,7 +6019,7 @@ width0pt\relax} \fi \def\internalsetq#1#2{@xrdef{#1}{\csname #2\endcsname}} % Things to be expanded by \internalsetq. -% +% \def\Ypagenumber{\folio} \def\Ytitle{\thissection} \def\Ynothing{} @@ -6120,13 +6204,14 @@ width0pt\relax} \fi % % Auto-number footnotes. Otherwise like plain. \gdef\footnote{% + \let\indent=\ptexindent \global\advance\footnoteno by \@ne \edef\thisfootno{$^{\the\footnoteno}$}% % % In case the footnote comes at the end of a sentence, preserve the % extra spacing after we do the footnote number. \let\@sf\empty - \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi + \ifhmode\edef\@sf{\spacefactor\the\spacefactor}\ptexslash\fi % % Remove inadvertent blank space before typesetting the footnote number. \unskip @@ -6267,7 +6352,7 @@ width0pt\relax} \fi \nobreak\bigskip % Usually we'll have text after the image which will insert % \parskip glue, so insert it here too to equalize the space - % above and below. + % above and below. \nobreak\vskip\parskip \nobreak \line\bgroup\hss @@ -6355,7 +6440,7 @@ should work if nowhere else does.} % Parameters in order: 1) textheight; 2) textwidth; 3) voffset; % 4) hoffset; 5) binding offset; 6) topskip; 7) physical page height; 8) % physical page width. -% +% % We also call \setleading{\textleading}, so the caller should define % \textleading. The caller should also set \parskip. % @@ -6423,7 +6508,7 @@ should work if nowhere else does.} \parskip = 3pt plus 2pt minus 1pt \textleading = 13.2pt % - % Double-side printing via postscript on Laserjet 4050 + % Double-side printing via postscript on Laserjet 4050 % prints double-sided nicely when \bindingoffset=10mm and \hoffset=-6mm. % To change the settings for a different printer or situation, adjust % \normaloffset until the front-side and back-side texts align. Then @@ -6464,7 +6549,7 @@ should work if nowhere else does.} \tableindent = 12mm }} -% A specific text layout, 24x15cm overall, intended for A4 paper. +% A specific text layout, 24x15cm overall, intended for A4 paper. \def\afourlatex{{\globaldefs = 1 \afourpaper \internalpagesizes{237mm}{150mm}% @@ -6640,7 +6725,7 @@ should work if nowhere else does.} % Same as @turnoffactive except outputs \ as {\tt\char`\\} instead of % the literal character `\'. (Thus, \ is not expandable when this is in % effect.) -% +% @def@normalturnoffactive{@turnoffactive @let\=@normalbackslash} % Make _ and + \other characters, temporarily. @@ -6669,7 +6754,7 @@ should work if nowhere else does.} % Say @foo, not \foo, in error messages. @escapechar = `@@ -% These look ok in all fonts, so just make them not special. +% These look ok in all fonts, so just make them not special. @catcode`@& = @other @catcode`@# = @other @catcode`@% = @other diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 78943b3696..efd8a94c18 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,8 @@ +2003-05-12 Steven Munroe <sjmunroe@us.ibm.com> + + * sysdeps/unix/sysv/linux/powerpc/lowlevellock.h + (lll_mutex_unlock): Use atomic_exchange_rel. + 2003-05-11 Ulrich Drepper <drepper@redhat.com> * cond-perf.c (cons): Add missing locking around setting of alldone. diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h index a617917da7..621fdcee88 100644 --- a/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h @@ -115,7 +115,7 @@ extern int __lll_timedlock_wait #define lll_mutex_unlock(lock) \ ((void) ({ \ int *__futex = &(lock); \ - int __val = atomic_exchange (__futex, 0); \ + int __val = atomic_exchange_rel (__futex, 0); \ if (__builtin_expect (__val > 1, 0)) \ lll_futex_wake (__futex, 1); \ })) diff --git a/sysdeps/powerpc/bits/atomic.h b/sysdeps/powerpc/bits/atomic.h index ebac76ab3b..5deb797256 100644 --- a/sysdeps/powerpc/bits/atomic.h +++ b/sysdeps/powerpc/bits/atomic.h @@ -53,24 +53,44 @@ typedef uintmax_t uatomic_max_t; #define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \ (abort (), 0) + +#define __arch_compare_and_exchange_bool_8_rel(mem, newval, oldval) \ + (abort (), 0) + +#define __arch_compare_and_exchange_bool_16_rel(mem, newval, oldval) \ + (abort (), 0) #ifdef UP # define __ARCH_ACQ_INSTR "" # define __ARCH_REL_INSTR "" #else # define __ARCH_ACQ_INSTR "isync" -# define __ARCH_REL_INSTR "sync" +# ifndef __ARCH_REL_INSTR +# define __ARCH_REL_INSTR "sync" +# endif #endif #define atomic_full_barrier() __asm ("sync" ::: "memory") #define atomic_write_barrier() __asm ("eieio" ::: "memory") -/* - * XXX At present these have both acquire and release semantics. - * Ultimately we should do separate _acq and _rel versions. - */ +#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ + ({ \ + __typeof (*(mem)) __tmp; \ + __typeof (mem) __memp = (mem); \ + __asm __volatile ( \ + "1: lwarx %0,0,%1\n" \ + " cmpw %0,%2\n" \ + " bne 2f\n" \ + " stwcx. %3,0,%1\n" \ + " bne- 1b\n" \ + "2: " __ARCH_ACQ_INSTR \ + : "=&r" (__tmp) \ + : "b" (__memp), "r" (oldval), "r" (newval) \ + : "cr0", "memory"); \ + __tmp; \ + }) -#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ +#define __arch_compare_and_exchange_val_32_rel(mem, newval, oldval) \ ({ \ __typeof (*(mem)) __tmp; \ __typeof (mem) __memp = (mem); \ @@ -80,14 +100,28 @@ typedef uintmax_t uatomic_max_t; " bne 2f\n" \ " stwcx. %3,0,%1\n" \ " bne- 1b\n" \ - "2: " __ARCH_ACQ_INSTR \ + "2: " \ : "=&r" (__tmp) \ : "b" (__memp), "r" (oldval), "r" (newval) \ : "cr0", "memory"); \ __tmp; \ }) -#define __arch_atomic_exchange_32(mem, value) \ +#define __arch_atomic_exchange_32_acq(mem, value) \ + ({ \ + __typeof (*mem) __val; \ + __asm __volatile ( \ + "1: lwarx %0,0,%2\n" \ + " stwcx. %3,0,%2\n" \ + " bne- 1b\n" \ + " " __ARCH_ACQ_INSTR \ + : "=&r" (__val), "=m" (*mem) \ + : "b" (mem), "r" (value), "1" (*mem) \ + : "cr0", "memory"); \ + __val; \ + }) + +#define __arch_atomic_exchange_32_rel(mem, value) \ ({ \ __typeof (*mem) __val; \ __asm __volatile (__ARCH_REL_INSTR "\n" \ @@ -96,7 +130,7 @@ typedef uintmax_t uatomic_max_t; " bne- 1b" \ : "=&r" (__val), "=m" (*mem) \ : "b" (mem), "r" (value), "1" (*mem) \ - : "cr0"); \ + : "cr0", "memory"); \ __val; \ }) @@ -109,7 +143,7 @@ typedef uintmax_t uatomic_max_t; " bne- 1b" \ : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \ : "b" (mem), "r" (value), "2" (*mem) \ - : "cr0"); \ + : "cr0", "memory"); \ __val; \ }) @@ -124,11 +158,10 @@ typedef uintmax_t uatomic_max_t; "2: " __ARCH_ACQ_INSTR \ : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \ : "b" (mem), "2" (*mem) \ - : "cr0"); \ + : "cr0", "memory"); \ __val; \ }) - #define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ ({ \ __typeof (*(mem)) __result; \ @@ -140,14 +173,38 @@ typedef uintmax_t uatomic_max_t; abort (); \ __result; \ }) + +#define atomic_compare_and_exchange_val_rel(mem, newval, oldval) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_compare_and_exchange_val_32_rel(mem, newval, oldval); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_compare_and_exchange_val_64_rel(mem, newval, oldval); \ + else \ + abort (); \ + __result; \ + }) #define atomic_exchange_acq(mem, value) \ ({ \ __typeof (*(mem)) __result; \ if (sizeof (*mem) == 4) \ - __result = __arch_atomic_exchange_32 (mem, value); \ + __result = __arch_atomic_exchange_32_acq (mem, value); \ + else if (sizeof (*mem) == 8) \ + __result = __arch_atomic_exchange_64_acq (mem, value); \ + else \ + abort (); \ + __result; \ + }) + +#define atomic_exchange_rel(mem, value) \ + ({ \ + __typeof (*(mem)) __result; \ + if (sizeof (*mem) == 4) \ + __result = __arch_atomic_exchange_32_rel (mem, value); \ else if (sizeof (*mem) == 8) \ - __result = __arch_atomic_exchange_64 (mem, value); \ + __result = __arch_atomic_exchange_64_rel (mem, value); \ else \ abort (); \ __result; \ diff --git a/sysdeps/powerpc/powerpc32/bits/atomic.h b/sysdeps/powerpc/powerpc32/bits/atomic.h index 54caa45de1..4e2e24335d 100644 --- a/sysdeps/powerpc/powerpc32/bits/atomic.h +++ b/sysdeps/powerpc/powerpc32/bits/atomic.h @@ -24,10 +24,10 @@ * (a load word and zero (high 32) form). So powerpc64 has a slightly * different version in sysdeps/powerpc/powerpc64/bits/atomic.h. */ -# define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \ +# define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \ ({ \ unsigned int __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ + __asm __volatile ( \ "1: lwarx %0,0,%1\n" \ " subf. %0,%2,%0\n" \ " bne 2f\n" \ @@ -40,6 +40,22 @@ __tmp != 0; \ }) +# define __arch_compare_and_exchange_bool_32_rel(mem, newval, oldval) \ +({ \ + unsigned int __tmp; \ + __asm __volatile (__ARCH_REL_INSTR "\n" \ + "1: lwarx %0,0,%1\n" \ + " subf. %0,%2,%0\n" \ + " bne 2f\n" \ + " stwcx. %3,0,%1\n" \ + " bne- 1b\n" \ + "2: " \ + : "=&r" (__tmp) \ + : "b" (mem), "r" (oldval), "r" (newval) \ + : "cr0", "memory"); \ + __tmp != 0; \ +}) + /* * Powerpc32 processors don't implement the 64-bit (doubleword) forms of * load and reserve (ldarx) and store conditional (stdcx.) instructions. @@ -50,8 +66,17 @@ # define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ (abort (), (__typeof (*mem)) 0) + +# define __arch_compare_and_exchange_bool_64_rel(mem, newval, oldval) \ + (abort (), 0) + +# define __arch_compare_and_exchange_val_64_rel(mem, newval, oldval) \ + (abort (), (__typeof (*mem)) 0) + +# define __arch_atomic_exchange_64_acq(mem, value) \ + ({ abort (); (*mem) = (value); }) -# define __arch_atomic_exchange_64(mem, value) \ +# define __arch_atomic_exchange_64_rel(mem, value) \ ({ abort (); (*mem) = (value); }) # define __arch_atomic_exchange_and_add_64(mem, value) \ diff --git a/sysdeps/powerpc/powerpc64/bits/atomic.h b/sysdeps/powerpc/powerpc64/bits/atomic.h index 938e5ee3f0..76be01edf2 100644 --- a/sysdeps/powerpc/powerpc64/bits/atomic.h +++ b/sysdeps/powerpc/powerpc64/bits/atomic.h @@ -30,7 +30,7 @@ # define __arch_compare_and_exchange_bool_32_acq(mem, newval, oldval) \ ({ \ unsigned int __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ + __asm __volatile ( \ "1: lwarx %0,0,%1\n" \ " extsw %0,%0\n" \ " subf. %0,%2,%0\n" \ @@ -44,6 +44,23 @@ __tmp != 0; \ }) +# define __arch_compare_and_exchange_bool_32_rel(mem, newval, oldval) \ +({ \ + unsigned int __tmp; \ + __asm __volatile (__ARCH_REL_INSTR "\n" \ + "1: lwarx %0,0,%1\n" \ + " extsw %0,%0\n" \ + " subf. %0,%2,%0\n" \ + " bne 2f\n" \ + " stwcx. %3,0,%1\n" \ + " bne- 1b\n" \ + "2: " \ + : "=&r" (__tmp) \ + : "b" (mem), "r" (oldval), "r" (newval) \ + : "cr0", "memory"); \ + __tmp != 0; \ +}) + /* * Only powerpc64 processors support Load doubleword and reserve index (ldarx) * and Store doubleword conditional indexed (stdcx) instructions. So here @@ -52,7 +69,7 @@ # define __arch_compare_and_exchange_bool_64_acq(mem, newval, oldval) \ ({ \ unsigned long __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ + __asm __volatile ( \ "1: ldarx %0,0,%1\n" \ " subf. %0,%2,%0\n" \ " bne 2f\n" \ @@ -65,11 +82,27 @@ __tmp != 0; \ }) +# define __arch_compare_and_exchange_bool_64_rel(mem, newval, oldval) \ +({ \ + unsigned long __tmp; \ + __asm __volatile (__ARCH_REL_INSTR "\n" \ + "1: ldarx %0,0,%1\n" \ + " subf. %0,%2,%0\n" \ + " bne 2f\n" \ + " stdcx. %3,0,%1\n" \ + " bne- 1b\n" \ + "2: " \ + : "=&r" (__tmp) \ + : "b" (mem), "r" (oldval), "r" (newval) \ + : "cr0", "memory"); \ + __tmp != 0; \ +}) + #define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ ({ \ __typeof (*(mem)) __tmp; \ __typeof (mem) __memp = (mem); \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ + __asm __volatile ( \ "1: ldarx %0,0,%1\n" \ " cmpd %0,%2\n" \ " bne 2f\n" \ @@ -82,7 +115,38 @@ __tmp; \ }) -# define __arch_atomic_exchange_64(mem, value) \ +#define __arch_compare_and_exchange_val_64_rel(mem, newval, oldval) \ + ({ \ + __typeof (*(mem)) __tmp; \ + __typeof (mem) __memp = (mem); \ + __asm __volatile (__ARCH_REL_INSTR "\n" \ + "1: ldarx %0,0,%1\n" \ + " cmpd %0,%2\n" \ + " bne 2f\n" \ + " stdcx. %3,0,%1\n" \ + " bne- 1b\n" \ + "2: " \ + : "=&r" (__tmp) \ + : "b" (__memp), "r" (oldval), "r" (newval) \ + : "cr0", "memory"); \ + __tmp; \ + }) + +# define __arch_atomic_exchange_64_acq(mem, value) \ + ({ \ + __typeof (*mem) __val; \ + __asm __volatile (__ARCH_REL_INSTR "\n" \ + "1: ldarx %0,0,%2\n" \ + " stdcx. %3,0,%2\n" \ + " bne- 1b\n" \ + " " __ARCH_ACQ_INSTR \ + : "=&r" (__val), "=m" (*mem) \ + : "b" (mem), "r" (value), "1" (*mem) \ + : "cr0", "memory"); \ + __val; \ + }) + +# define __arch_atomic_exchange_64_rel(mem, value) \ ({ \ __typeof (*mem) __val; \ __asm __volatile (__ARCH_REL_INSTR "\n" \ @@ -91,7 +155,7 @@ " bne- 1b" \ : "=&r" (__val), "=m" (*mem) \ : "b" (mem), "r" (value), "1" (*mem) \ - : "cr0"); \ + : "cr0", "memory"); \ __val; \ }) @@ -104,7 +168,7 @@ " bne- 1b" \ : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \ : "b" (mem), "r" (value), "2" (*mem) \ - : "cr0"); \ + : "cr0", "memory"); \ __val; \ }) @@ -119,7 +183,7 @@ "2: " __ARCH_ACQ_INSTR \ : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \ : "b" (mem), "2" (*mem) \ - : "cr0"); \ + : "cr0", "memory"); \ __val; \ }) @@ -127,6 +191,12 @@ * All powerpc64 processors support the new "light weight" sync (lwsync). */ # define atomic_read_barrier() __asm ("lwsync" ::: "memory") +/* + * "light weight" sync can also be used for the release barrier. + */ +# ifndef UP +# define __ARCH_REL_INSTR "lwsync" +# endif /* * Include the rest of the atomic ops macros which are common to both |