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[smlnj] Diff of /sml/trunk/HISTORY
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Diff of /sml/trunk/HISTORY

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revision 1399, Tue Sep 30 21:10:05 2003 UTC revision 1672, Thu Oct 28 15:44:02 2004 UTC
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14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16  Name: Matthias Blume (blume (at) tti - c (dot) org)  Name: Matthias Blume (blume (at) tti - c (dot) org)
17    Date: 2004/10/28 10:45:00 CDT
18    Tag: Release_110_50
19    Description:
20    
21    New working version (110.50).  NEW BOOTFILES!
22    
23                 =====================
24    
25    Also:
26    
27      - Changend config/srcarchiveurl from a file just
28        containing the URL string into a file containing
29        shell script code.  The code has access to the $VERSION variable.
30      - Made corresponding changes to config/install.sh and config/unpack.
31      - Default contents of config/srcarchiveurl uses $VERSION and
32        normally does not have to be edited to reflect a version change.
33    
34      (As a result, a version change can be done by just editing
35       config/version, the rest is now automatic.)
36    
37    ----------------------------------------------------------------------
38    Name: Matthias Blume (blume (at) tti - c (dot) org)
39    Date: 2004/10/27 17:50:00 CDT
40    Tag: blume-20041027-btrace-msg
41    Description:
42    
43    BackTrace.monitor now also reports the source of the exception that
44    triggered the trace.
45    
46    ----------------------------------------------------------------------
47    Name: Matthias Blume (blume (at) tti - c (dot) org)
48    Date: 2004/10/27 17:20:00 CDT
49    Tag: blume-20041027-x86-c-calls
50    Description:
51    
52    This is the HISTORY entry for two earlier commits, both concerning
53    the x86 c-calls code in MLRISC:
54    
55      - added a missing LOAD in the code that deals with struct arguments
56      - made sure the caller does not add the wrong number of bytes to the
57        stack pointer after a call of a function returning a struct
58        (the callee already pops the implicit argument which points to
59         the space reserved for the result)
60    
61    ----------------------------------------------------------------------
62    Name: Allen Leung (leunga (at) reservoir (dot) com)
63    Date: 2004/10/24 14:00:00 EST
64    Tag: leunga-20041024-x86-gas-fucomip
65    Description:
66    
67       John discovered a bug in the syntax of fucomip.
68       The opcodes FU?COMIP? have been changed to
69    
70           fu?comip? %st(i), %st
71    
72    ----------------------------------------------------------------------
73    Name: Matthias Blume (blume (at) tti - c (dot) org)
74    Date: 2004/10/20 15:06:00 CDT
75    Tag: blume-20041020-standalone-backtrace
76    Description:
77    
78    Added a mechanism for getting back-trace information from standalone
79    programs.  Here is how it works:
80    
81       1. The part of the program from which you want to get backtrace
82          information (usually the whole program) should be wrapped with
83          BackTrace.monitor.  This is a (unit->'a)->'a function, and your
84          main program could be modified from something like
85    
86             fun main (pgm, args) = ...
87    
88         to
89    
90            fun main (pgm, args) = BackTrace.monitor (fn () => ...)
91    
92       2. To be able to access BackTrace.monitor, you have to add
93          library $smlnj-tdp/plugins.cm to the .cm file that contains your
94          main function.
95    
96       3. Remove all compiled code (i.e., all the .cm/ subdirectories that
97          CM might have created in the past for your project).
98    
99       4. Build the system using this command line:
100    
101             ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
102                      myprog.cm MyProg.main myprog
103    
104          instead of the usual
105    
106             ml-build myprog.cm MyProg.main myprog
107    
108    I changed a library name:
109    
110       $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
111    
112    New libraries:
113    
114       $smlnj-tdp/back-trace.cm
115          -- when loaded causes the back-trace plugin to be installed
116       $smlnj-tdp/coverage.cm
117          -- when loaded causes the coverage plugin to be installed
118    
119    ----------------------------------------------------------------------
120    Name: Matthias Blume (blume (at) tti - c (dot) org)
121    Date: 2004/10/18 16:45:00 CDT
122    Tag: blume-20041018-groupowner
123    Description:
124    
125    Added an "obsolete" warning for the "group owner" syntax to CM's parser.
126    
127    Eliminated group owner specs from .cm files throughout the source tree.
128    
129    ----------------------------------------------------------------------
130    Name: Matthias Blume (blume (at) tti - c (dot) org)
131    Date: 2004/10/15 15:45:00 CDT
132    Tag: blume-20041015-coverage
133    Description:
134    
135    * Test coverage tool added!
136    * Further reorganization of tracing-, debugging-, and profiling support:
137    
138        - moved original BTImp -- now called BackTrace -- into a separate
139          library called $/trace-debug-profile.cm
140        - eliminated all mentions of BTrace from SMLofNJ.Internals
141        - only the instrumentation mechanism is now left in the compiler proper
142        - BackTrace module is a plugin which is NOT plugged in by default
143        - Coverage module is another such plugin
144    
145    To get the benefits of any of these plugin modules, the code in
146    question must be compiled with tdp instrumentation turned on.  This
147    can be done by setting SMLofNJ.Internals.TDP.mode to true.
148    (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
149    
150    Plugins are selected at link time.  (Pre-compiled instrumented code
151    can be re-loaded with different plugins in effect.)  When an
152    instrumented module is linked, whatever plugins are at that time
153    enabled will come into effect for that module.
154    
155    To enable the back-trace plugin, load library $/trace-debug-profile.cm
156    and invoke BackTrace.install() (e.g., from the interactive prompt).
157    To enable the coverage plugin, load the same library and invoke
158    Coverage.install().
159    
160    Back-traces are generated automatically on uncaught exceptions and
161    when the code in question explicitly invokes BackTrace.trigger().
162    
163    Coverage (and execution frequency-) information must be queried
164    explicitly by calling Coverage.not_covered and Coverage.hot_spots.
165    
166    ----------------------------------------------------------------------
167    Name: Matthias Blume (blume (at) tti - c (dot) org)
168    Date: 2004/10/14 17:40:00 CDT
169    Tag: blume-20041014-tdp-core
170    Description:
171    
172    Snapshot of a significant overhaul of how the trace/debug/profile support
173    is hooked into the system (specifically: Core and SMLofNJ.Internals).
174    
175    ----------------------------------------------------------------------
176    Name: Matthias Blume (blume (at) tti - c (dot) org)
177    Date: 2004/10/13 16:34:00 CDT
178    Tag: blume-20041013-tdp
179    Description:
180    
181    Some rationalization of names:
182    
183       structure BTrace -> structure TDPInstrument
184       etc.
185    
186    This is is preparation of using the original back-trace
187    instrumentation for other purposes.  "TDP" stands for
188    Trace/Debug/Profile.
189    
190    The control flag controlling whether instrumentation is on or off is now
191    registered under a different name, so instead of running sml as
192    
193     sml -Cinstrument.btrace-mode=true
194    
195    one has to say
196    
197     sml -Ctdp.instrument=true
198    
199    ----------------------------------------------------------------------
200    Name: Matthias Blume (blume (at) tti - c (dot) org)
201    Date: 2004/10/11 16:37:00 CDT
202    Tag: blume-20041011-regions
203    Description:
204    
205    Made some minor modifications to elabcore.sml to have source regions
206    be propagated more tightly -- resulting in better (i.e., smaller)
207    regions being reported in error- and debug messages.
208    
209    ----------------------------------------------------------------------
210    Name: Matthias Blume (blume (at) tti - c (dot) org)
211    Date: 2004/10/08 22:50:00 CDT
212    Tag: blume-20041008-cmkw
213    Description:
214    
215    Fixed handling of keywords in .cm files: After seeing "is" the lexer
216    treats subsequent occurrences of "group", "library", "source", "is",
217    "*", and "-" as ordinary identifiers rather than keywords.
218    
219    Most seriously, this fixes a problem with CM's "shell" tool.  The tool
220    is supposed to accept a tool argument called "source", but this did
221    not work because of the clash with the keyword.
222    
223    ----------------------------------------------------------------------
224    Name: Matthias Blume (blume (at) tti - c (dot) org)
225    Date: 2004/10/07 16:00:00 CDT
226    Tag: blume-20041007-cleanup
227    Description:
228    
229    Assorted cleanup work:
230    
231      - got rid of intstrmap in favor of using the library's
232        hash table implementation
233      - threw out most of the pathnames stuff, as it was not used anyway
234      - simplified tokentable implementation
235      - fixed some minor spelling errors
236    
237    ----------------------------------------------------------------------
238    Name: Matthias Blume (blume (at) tti - c (dot) org)
239    Date: 2004/10/06 15:15:15 CDT
240    Tag: blume-20041006-handler
241    Description:
242    
243    Cleaned up the absyn to reflect the invariant that HANDLE always
244    carries a FNexp as part of the type definition.  This eliminates some
245    superfluous sanity checks at runtime down the road.
246    
247    Some minor cleanup of the btrace code.
248    
249    ----------------------------------------------------------------------
250    Name: Matthias Blume (blume (at) tti - c (dot) org)
251    Date: 2004/10/01 10:20:30 CDT
252    Tag: blume-20041001-slave
253    Description:
254    
255    Added hack to make slave mode work in the presence of the version
256    tool.  (Still, since the master does two passes over the code for
257    CMB.make, the release number gets bumped twice when slaves are
258    attached.  I don't know if this is worth fixing...)
259    
260    ----------------------------------------------------------------------
261    Name: Matthias Blume (blume (at) tti - c (dot) org)
262    Date: 2004/09/30 10:55:00 CDT
263    Tag: blume-20040930-version
264    Description:
265    
266    * Moved the "version" magic into its own little library under
267      src/system/smlnj/internal.  This avoids expensive reconstruction of
268      a stable src/compiler/core.cm.
269    
270    * At the same time, structure CompilerVersion is now known as
271      structure SMLNJVersion.
272    
273    * Arranged for the version tool to NOT kick in when rebuilding the system
274      (makeml -rebuild, fixpt).  Otherwise one would never reach a fixpoint.
275      Also, loading the versiontool does not work when rebuilding the system
276      because CM is not properly initialized at that time.
277    
278    ----------------------------------------------------------------------
279    Name: Matthias Blume (blume (at) tti - c (dot) org)
280    Date: 2004/09/29 14:00:00 CDT
281    Tag: blume-20040929-autoversion
282    Description:
283    
284    Implemented some CM magic to have
285        file src/compiler/TopLevel/main/version.sml
286    generated automagically.
287    The version is taken from two files: config/version and config/release.
288    The first is expected to contain a two-part version number such as 110.49.
289    The second should contain a single number, but it may be missing.
290    
291    If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
292    time the version tool is loaded (which is the first time you say CMB.make),
293    then the tool will increment the value stored in config/release every
294    time CMB.make is invoked.
295    
296    The binfile format is now insensitive to anything beyond the first
297    two components of a version number, so bumping the release does not render
298    binfiles incompatible.  Auto-bumping can be used to keep track of versions
299    during development without invalidating existing binfiles.
300    
301    In any case, every CMB.make updates the date information in version.sml.
302    (This is the date that is printed in the banner.)
303    
304    ----------------------------------------------------------------------
305    Name: Matthias Blume (blume (at) tti - c (dot) org)
306    Date: 2004/09/28 10:53:00 CDT
307    Tag: blume-20040928-controls
308    Description:
309    
310    Some cleanup of the controls code.
311    
312    ----------------------------------------------------------------------
313    Name: Matthias Blume (blume (at) tti - c (dot) org)
314    Date: 2004/09/27 22:08:00 CDT
315    Tag: blume-20040927-controls
316    Description:
317    
318    Added two pieces of functionality to the Controls interface:
319    
320    1.   val save'restore: 'a control -> unit -> unit
321    
322       grabs the current value of the control in stage 1 and restores it
323       in stage 2.
324    
325    2.   val set' : 'a control * 'a -> unit -> unit
326    
327       stores the given value into the control in stage 2 (i.e., delayed)
328       but does all error checking in stage 1.
329       (This is for string controls that need to do parse their argument --
330        something that might fail.  In some cases, notably in CM, one
331        already knows the intended argument but wants to delay the actual
332        assignment until a time when error recovery would be more difficult.)
333    
334    Changed the handling of controls in tool arguments to classes "sml" and
335    "lazysml":
336       - use Controls.save'restore as a more robust way of restoring the
337         old value (in particular: without having to re-parse the string)
338       - use controls to handle the "overload" keyword in the init group
339         (I believe this change actually fixes a long-standing obscure bug.)
340    
341    ----------------------------------------------------------------------
342    Name: Matthias Blume (blume (at) tti - c (dot) org)
343    Date: 2004/09/27 17:00:00 CDT
344    Tag: blume-20040927-lazysml
345    Description:
346    
347    Added a new tool class called "lazysml" to CM's tool chest.  The only
348    difference to "sml" is that compilation is done with Control.lazysml
349    set to true.  A source of class "lazysml" is automatically recognized
350    by a file name suffix of ".lml".
351    
352    In addition to the above feature, the original class "sml" now also
353    supports a tool argument "lazy" which has the same effect.  As a
354    result, the following three lines are equivalent:
355    
356        foo.sml : lazysml
357        foo.sml : sml (lazy)
358        foo.sml (lazy)
359    
360    The setting goes into effect both during parsing and during
361    compilation.  The original setting is restored right after parsing and
362    after compilation, respectively.
363    
364    In addition to all the above, there is also a general mechanism to set
365    ANY of the "controls" that are available at the command line via
366    "-C..." on a per-sml-file basis.  The same rules that apply for "lazy"
367    apply as well. (In fact, "lazy" is implemented as a special case of
368    the general mechanism.)
369    
370    The .cm file syntax uses a new keyword tool argument called "with".
371    There are several ways of indicating the desired settings:
372    
373        foo.sml (with:parser.quotations=true)
374        foo.sml (with:(name:parser.quotations value:true))
375        foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
376        foo.sml (with:(name1=value1 name2=value2 ...))
377        foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
378    
379        etc.
380    
381    Another possible abbreviation is to leave out the =v or value:v part
382    if the name refers to a boolean control (in which case the value is
383    taken to be true).  Thus, one could get lazy sml also by saying:
384    
385        foo.sml (with:parser.lazy-keyword=true)
386        foo.sml (with:parser.lazy-keyword)
387        foo.sml (with:(name:parser.lazy-keyword value:true))
388        foo.sml (with:(name:parser.lazy-keyword))
389    
390    ----------------------------------------------------------------------
391    Name: Matthias Blume (blume (at) tti - c (dot) org)
392    Date: 2004/09/24 16:22:00 CDT
393    Tag: blume-20040924-ppc-long-branch
394    Description:
395    
396    Turned message about "emiting long form of branch" off by default.
397    Added a control flag to turn it back on when desired.
398    
399    ----------------------------------------------------------------------
400    Name: Matthias Blume (blume (at) tti - c (dot) org)
401    Date: 2004/09/24 16:05:00 CDT
402    Tag: blume-20040924-rounding
403    Description:
404    
405    Applied patch for setting rounding modes under Mac OS X.  Thanks to
406    Melissa O'Neill for providing the code!
407    
408    ----------------------------------------------------------------------
409    Name: Matthias Blume (blume (at) tti - c (dot) org)
410    Date: 2004/09/23 17:30:00 CDT
411    Tag: blume-20040923-envvars
412    Description:
413    
414    1. Changed definition of type ControlRegistry.registry_tree to
415       include control_info (i.e., the name of the controlling environment
416       variable).
417    
418    2. Added command-line flags -e and -E to print the names of environment
419       variables that can be used to control internal settings.
420       (This uses the new API mentioned in 1.)
421    
422    ----------------------------------------------------------------------
423    Name: Matthias Blume (blume (at) tti - c (dot) org)
424    Date: 2004/09/13 16:50:00 CDT
425    Tag: Release_110_49
426    Description:
427    
428    New working version (110.49).  NEW BOOTFILES!
429    
430    ----------------------------------------------------------------------
431    Name: Matthias Blume
432    Date: 2004/09/13 16:20:00 CDT
433    Tag: blume-20040913-config-mlrisc
434    Description:
435    
436    Put target "mlrisc" back into the default list.
437    (There is no harm in having it, and some users have expressed their
438    wish to have "mlrisc" included by default.)
439    
440    ----------------------------------------------------------------------
441    Name: John Reppy
442    Date: 2004/09/13
443    Tag: jhr-20040913-signals
444    Description:
445    
446    Fixed the signal masking code to properly nest mask/unmask operations
447    on a per-signal basis.
448    
449    ----------------------------------------------------------------------
450    Name: Matthias Blume (blume (at) tti - c (dot) org)
451    Date: 2004/09/08 13:20:00 CDT
452    Tag: blume-20040908-heap-magic
453    Description:
454    
455    Bumped the heap macig number to 0x09082004 to account for the changed
456    layout of the ML frame under MacOS X.
457    
458    ----------------------------------------------------------------------
459    Name: Allen Leung (leunga (at) reservoir (dot) com)
460    Date: 2004/09/03 11:26:00 EST
461    Tag: leunga-20040903-cygwin-install
462    Description:
463    
464       Added a patch to _arch-n-opsys to enable the Cygwin runtime.
465    The Cygwin runtime is turned on by setting the environment
466    variable SMLNJ_CYGWIN_RUNTIME to 1.
467    
468    ----------------------------------------------------------------------
469    Name: Matthias Blume (blume (at) tti - c (dot) org)
470    Date: 2004/08/31 17:15:00 CDT
471    Tag: blume-20040831-core
472    Description:
473    
474    Added some exports to src/compiler/core.cm upon request by J. Joemann.
475    
476    ----------------------------------------------------------------------
477    Name: Matthias Blume (blume (at) tti - c (dot) org)
478    Date: 2004/08/30 17:55:00 CDT
479    Tag: blume-20040830-installer
480    Description:
481    
482    Upon request by Johannes Joemann:
483    
484    - improved ML code of installer to fall back to coping when renaming
485      fails (i.e., when source and target are on different file systems);
486      the code compiles but has yet to be tested in anger
487    - removed mlrisc from list of default targets (config/targets)
488    
489    ----------------------------------------------------------------------
490    Name: Matthias Blume (blume (at) tti - c (dot) org)
491    Date: 2004/08/27 17:20:00 CDT
492    Tag: blume-20040827-ptreql
493    Description:
494    
495    Added ptreql primop to structure InlineT (upon request from Larry
496    Paulson).
497    
498    ----------------------------------------------------------------------
499    Name: Allen Leung (leunga (at) reservoir (dot) com)
500    Date: 2004/08/15 21:21:00 EST
501    Tag: leunga-110_48-udgraph
502    Description:
503    
504    Another bug fix from Carl Hauser:
505    
506    diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
507    > 48c48
508    > <              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
509    > e::L)
510    > ---
511    > >              | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
512    > Without this, any deletion of an edge in an undirected graph does severe
513    > violence to the graph.
514    
515    ----------------------------------------------------------------------
516    Name: Allen Leung (leunga (at) reservoir (dot) com)
517    Date: 2004/08/10 23:35:00 EST
518    Tag: leunga-110_48-ppc
519    Description:
520    
521       The IBM/MacOS syntax switch on PPC was incorrectly swapped.
522    
523    ----------------------------------------------------------------------
524    Name: Matthias Blume (blume (at) tti - c (dot) org)
525    Date: 2004/08/10 12:00:00 CDT
526    Tag: Release_110_48
527    Description:
528    
529    New working version (110.48).  NEW BOOTFILES!
530    
531    ----------------------------------------------------------------------
532    Name: Allen Leung (leunga (at) reservoir (dot) com)
533    Date: 2004/08/09 12:21:00 EST
534    Tag: leunga-110_47-dijsktra
535    Description:
536    
537    Bug fix from Carl Hauser:
538    
539    single_source_shortest_paths in dijkstra.sml was observed to get wrong
540    answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
541    
542    The problem is that following the expression A.update(dist,s,Num.zero)
543    it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
544    
545    ----------------------------------------------------------------------
546    Name: Matthias Blume (blume (at) tti - c (dot) org)
547    Date: 2004/08/06 18:10:00 CDT
548    Tag: blume-20040806-cmdline
549    Description:
550    
551    Fiddled with handling of command-line options:
552    
553      * sml now quits after processing the command line
554        if -H, -S, -h<n>, or -s<n> appears as the last
555        command-line argument
556      * a new option -q terminates the session when encountered on
557        the command line; subsequent arguments will be ignored
558      * bug fixes: short (erroneous) arguments are no longer ignored
559        completely
560    
561    ----------------------------------------------------------------------
562    Name: Allen Leung (leunga (at) reservoir (dot) com)
563    Date: 2004/08/04 18:17:00 EST
564    Tag: leunga-110_47-ppc-ibm-asm
565    Description:
566    
567      - Added minimal IBM assembly syntax support for PowerPC.
568    
569      - Cygwin: manually changed the file cygwin.def.  Some exported symbols have
570        been altered in the runtime.  We need an automatic way to keep the file
571        in sync.
572    
573    ----------------------------------------------------------------------
574    Name: Matthias Blume (blume (at) tti - c (dot) org)
575    Date: 2004/08/04 14:00:00 CDT
576    Tag: Release_110_47
577    Description:
578    
579    New working version (110.47).  NEW BOOTFILES!
580    
581    ----------------------------------------------------------------------
582    Name: Matthias Blume (blume (at) tti - c (dot) org)
583    Date: 2004/08/03 14:25:00 CDT
584    Tag: blume-20040803-callingconv
585    Description:
586    
587    Added low-level support for choosing C calling conventions by
588    twiddling the type of rawccall.  (See
589    src/compiler/Semant/types/cproto.sml for details.)
590    
591    ----------------------------------------------------------------------
592    Name: Matthias Blume (blume (at) tti - c (dot) org)
593    Date: 2004/08/02 15:55:00 CDT
594    Tag: blume-20040802-backout
595    Description:
596    
597    Backed out of change to win32-filesys.c.  The earlier patch to
598    get_file_time caused CM to produce files with the wrong time stamp.
599    
600    ----------------------------------------------------------------------
601    Name: Matthias Blume (blume (at) tti - c (dot) org)
602    Date: 2004/08/02 14:45:00 CDT
603    Tag: blume-20040802-nlffi-win32
604    Description:
605    
606    Added NLFFI support for Win32, adapted from a patch provided by David
607    Hansel.  This is currently completely untested.  Also, the issue
608    concerning stdcall vs. ccall is still unresolved.
609    
610    ----------------------------------------------------------------------
611    Name: Matthias Blume (blume (at) tti - c (dot) org)
612    Date: 2004/07/30 17:55:00 CDT
613    Tag: blume-20040730-various
614    Description:
615    
616    Gearing up towards 110.47...
617    
618    - various minor bugfixes to ml-nlffigen
619    - a beginning of a manual for nlffi
620    
621    - eliminated 'export name=value' in config/install.sh as this does
622      not work with certain versions of /bin/sh
623      (Thanks to David King at Motorola for catching this.)
624    
625    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
626      - added a test for tm==NULL to gmtime.c and localtime.c
627      - applied patch for incorrect GetFileTime under win32
628      - toSeconds -> toMilliseconds in Win32/win32-process.sml
629    
630    ----------------------------------------------------------------------
631    Name: Matthias Blume (blume (at) tti - c (dot) org)
632    Date: 2004/07/21 18:20:00 CDT
633    Tag: blume-20040721-nlffigen
634    Description:
635    
636    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
637      for a typedef to an incomplete type, but leave out the "typ" member.
638      (This is just for consistency.)
639    - Started to produce what is supposed to become better (i.e., comprehensive)
640      documentation of what ml-nlffigen does and produces.
641    
642    ----------------------------------------------------------------------
643    Name: Matthias Blume (blume (at) tti - c (dot) org)
644    Date: 2004/07/14 16:25:00 CDT
645    Tag: blume-20040714-union
646    Description:
647    
648    Added C_UNION to c-calls/c-types.sml and updated the machinery
649    (ml-nlffigen, cproto.sml) that conveys C function interface
650    information to the code generator.
651    
652    However, the actual architecture-specific implementation of function
653    arguments and results that are C unions is still not implemented.
654    
655    ----------------------------------------------------------------------
656    Name: Allen Leung (leunga (at) reservoir (dot) com)
657    Date: 2004/07/14 14:38:00 EST
658    Tag: leunga-110_46_1-ppc-lwzu
659    Description:
660    
661        Added these instructions to the PowerPC architecture:
662        LBZU(X), LHZU(X), LWZU(X),
663        STWU(X), STFDU, STFSU
664    
665        etc...
666    
667        Note: I haven't added their instruction encoding into the description.
668    
669    ----------------------------------------------------------------------
670    Name: Allen Leung (leunga (at) reservoir (dot) com)
671    Date: 2004/07/13 15:04:00 EST
672    Tag: leunga-110_46_1-ppc-lwarx
673    Description:
674    
675       Added the two instructions LWARX and STWCX to the PowerPC
676    instruction set.
677    
678       A (untested) rewrite of loop-structure.sml.  The old version
679    is completely broken.
680    
681    ----------------------------------------------------------------------
682    Name: Matthias Blume (blume (at) tti - c (dot) org)
683    Date: 2004/07/13 13:50:00 CDT
684    Tag: blume-20040713-nlffi
685    Description:
686    
687    - use paramAlloc to report c-calls with too many arguments
688      (for PPC version where parameter area is pre-allocated)
689    - added ccall_maxargspace to machspec (to implement the above)
690    - made "make" commend in CM's "make" tool configurable
691    - added option (default: on) for passing the name of the SML/NJ's "bin"
692      directory to "make"; the call looks like this:
693    
694         make <options> SMLNJ_BINDIR=<dir> <target>
695    
696      This can be used by the Makefile to, e.g., pick the "right" version
697      of ml-nlffigen.
698    - minor code tweaks
699    
700    ----------------------------------------------------------------------
701    Name: Matthias Blume (blume (at) tti - c (dot) org)
702    Date: 2004/07/12 22:50:00 CDT
703    Tag: blume-110_46_1-macosx-nlffi
704    Description:
705    
706    NLFFI under Mac OS X now working (sort of).  This is largely untested,
707    though.
708    
709    Note:  1. You have to make a new, clean build of the runtime system.
710           2. There are new BOOTFILES, you have to use them!
711              (Doing the bootstrap process yourself would be *very* painful!
712               If you absolutely have to do it, build the system under
713               a different architecture and then cross-compile.)
714    
715    Version bumped to 110.46.1 to account for runtime data format changes.
716    
717    ----------------------------------------------------------------------
718    Name: Matthias Blume (blume (at) tti - c (dot) org)
719    Date: 2004/06/18 14:30:00 CDT
720    Tag: blume-20040618-unix
721    Description:
722    
723    Changed the implementation of structure Unix so that the same stream
724    is returned every time one of the {text,bin}{In,Out}streamOf functions
725    is invoked on the same proc.  This is not what the spec currently
726    says -- although IMO it arguably should.  (See discussion below.)
727    
728    ----------------------------------------------------------------------
729    Name: Matthias Blume (blume (at) tti - c (dot) org)
730    Date: 2004/06/17 18:15:00 CDT
731    Tag: Release_110_46
732    Description:
733    
734    New working version (110.46).  NEW BOOTFILES!
735    
736    ----------------------------------------------------------------------
737    Name: Matthias Blume (blume (at) tti - c (dot) org)
738    Date: 2004/06/17 17:20:00 CDT
739    Tag: blume-20040617-timer-unix
740    Description:
741    
742    Changed the interface of structures Timer and Unix to match the most
743    recent Basis spec.
744    
745    In the case of Unix there still seems to be an open/weird issue:
746    
747       The {text,bin}{In,Out}streamOf functions are supposed to create
748       fresh streams whenever they are called -- as opposed to have them
749       return the same stream every time.  This design is supposed to
750       prevent space leaks caused by proc values hanging on to streams.
751    
752       The reap function, on the other hand, is supposed to close the
753       streams.  This cannot be done without having a handle on the
754       stream in proc after all...
755    
756    I took the liberty to implement the following stopgap solution:
757    
758      The proc value hangs on to the most recently created stream(s).
759      Reap closes those.  If either or both of the two streams hadn't
760      been created at all yet, then reap will close the corresponding
761      file descriptors directly.
762    
763    PS: I don't understand the original space leak argument anymore.  If
764    a proc hangs on to the imperative stream, then I/O operations on those
765    will advance the state of the cached stream and avoid the space leak.
766    
767    ----------------------------------------------------------------------
768    Name: Matthias Blume (blume (at) tti - c (dot) org)
769    Date: 2004/05/28 16:45:00 CDT
770    Tag: blume-20040528-basis
771    Description:
772    
773    Added signature PACK_REAL and exported functor PrimIO.
774    
775    ----------------------------------------------------------------------
776    Name: Matthias Blume (blume (at) tti - c (dot) org)
777    Date: 2004/05/25 16:00:00 CDT
778    Tag: blume-20040525-group-owner
779    Description:
780    
781    CM now ignores (but still accepts) the "owner" information in group
782    descriptions.  The owner of a group is its next enclosing
783    library. Each group must have a unique owner.  (There is a virtual
784    "toplevel" library that owns groups which are not nested within a real
785    library.)  Previously, each group had to explicitly declare its owner,
786    and CM would check that such a declaration is correct.  The new scheme
787    is to have CM check that for each group there is precisely one owning
788    library.
789    
790    The advantage of the new scheme is that the programmer no longer needs
791    to maintain the somewhat annoying owner information.  The downside is
792    that CM cannot enforce the ownership rule across multiple runs of
793    CM.make.  Fortunately, enclosing the same group in two different
794    libraries A and B which are not part of the same program does not
795    cause real problems.
796    
797    ----------------------------------------------------------------------
798    Name: Matthias Blume (blume (at) tti - c (dot) org)
799    Date: 2004/05/20 16:00:00 CDT
800    Tag: blume-20040520-win32
801    Description:
802    
803    Made the win32 version work again.  (Strangely, a misplaced comma had
804    slipped into win32-process.c which prevented the runtime from being
805    compiled correctly.)
806    
807    Also, included a minor addition to ml-build.bat analogous to what was
808    done in blume-20040519-ml-build.
809    
810    ----------------------------------------------------------------------
811    Name: Matthias Blume (blume (at) tti - c (dot) org)
812    Date: 2004/05/19 22:10:00 CDT
813    Tag: blume-20040519-ml-build
814    Description:
815    
816    Arranged for ml-build to clean up after itself a little bit better.
817    The script generates a temporary SML source file and compiles it using
818    CM, so CM generates metadata (GUID, SKEL, objectfile) for it.  It now
819    gets rid of those at the end, so they don't accumulate under .cm.
820    
821    This required a minor change to install.sh because the name of the
822    metadata directory (default: .cm) is actually configurable at
823    installation time.
824    
825    ----------------------------------------------------------------------
826    Name: Matthias Blume (blume (at) tti - c (dot) org)
827    Date: 2004/05/18 15:50:00 CDT
828    Tag: blume-20040518-mkreader
829    Description:
830    
831    Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
832    implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
833    
834    ----------------------------------------------------------------------
835    Name: Matthias Blume (blume (at) tti - c (dot) org)
836    Date: 2004/05/11 14:35:00 CDT
837    Tag: blume-20040511-win32sock
838    Description:
839    
840    Added previously missing support for many socket-related functions
841    under win32.  Thanks to David Hansel <hansel@reactive-systems.com>
842    for the voluminous patch!
843    
844    (I have not tested this patch under win32 yet.)
845    
846    Here is David's e-mail:
847    
848    Hi,
849    
850    Attached to this email you find a diff against sml/nj 110.45
851    that will enable socket support under Windows.
852    
853    To apply the patch (using unix or cygwin)
854    1) gunzip runtime.diff.gz
855    2) "cd" into "src/runtime" in the source tree of a fresh
856       110.45 installation.
857    3) patch -p 1 < [your/path/to]runtime.diff
858    
859    The code compiles fine but has NOT yet been extensively tested.
860    I only ran a few tests for basic socket client functionality
861    (which worked fine).  Especially the functions that use ioctl
862    are not tested at all and might not work (see below).
863    
864    I implemented this since we want to move to a newer version of sml/nj
865    but need socket support in order to use it.  This is the first time I
866    even had a look at the sml/nj source,  so please review my changes
867    before making this part of the distribution!  Here are a few issues
868    that I think might be better for someone to solve who is more
869    familiar with the sml/nj source (and socket programming):
870    
871    - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
872      exception since I could not figure out what the windows equivalent
873      of these functions is
874    
875    - In sockets-osdep.h there are a some #include statements that are
876      only used in a few files that include sockets-osdep.h
877    
878    - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
879      does not process its return value since I don't know how to
880      report an error upwards.
881    
882    - It would probably be good to have a call to WSACleanup() when
883      the library is unloaded (if there is such a possibility).
884      Otherwise I think Windows will take care of this automatically
885      when the process finishes.
886    
887    - I used ioctlsocket() as a replacement for ioctl() but I have
888      no idea if that is actually the proper replacement on Windows.
889    
890    - All these issues are marked in the code by "FIXME" comments.
891    
892    We use sml/nj extensively in our products and are quite happy
893    with it.  I hope this contribution will help you.
894    
895    Keep up the good work!
896    
897    David
898    
899    ----------------------------------------------------------------------
900    Name: Matthias Blume (blume (at) tti - c (dot) org)
901    Date: 2004/05/11 14:20:00 CDT
902    Tag: blume-20040511-installml
903    Description:
904    
905    Fixed two bugs in installml script.  (Thanks to Vesa A. Norrman for
906    the patch.)
907    
908    ----------------------------------------------------------------------
909    Name: Matthias Blume (blume (at) tti - c (dot) org)
910    Date: 2004/05/11 14:05:00 CDT
911    Tag: blume-20040511-nlffi-netbsd
912    Description:
913    
914    Added support for nlffi under netbsd.  (Thanks to Vesa A. Norrman for
915    the patch.)
916    
917    ----------------------------------------------------------------------
918    Name: Matthias Blume (blume (at) tti - c (dot) org)
919    Date: 2004/05/11 12:05:00 CDT
920    Tag: blume-20040511-exports
921    Description:
922    
923    As per request by Adam Chlipala <adam@hcoop.net>, extended various
924    export lists in compiler-related .cm-files.
925    
926    ----------------------------------------------------------------------
927    Name: Matthias Blume (blume (at) tti - c (dot) org)
928    Date: 2004/05/11 11:35:00 CDT
929    Tag: blume-20040511-allsource
930    Description:
931    
932    The installer now honors the "src-smlnj" target again, although its meaning
933    has changed from "all sources required for the compiler" to "all sources
934    the installer knows about".  In other words, if you enable "src-smlnj"
935    in the "targets" file, then the installer will pull in sources for
936    everything.  (Notice that this refers to source code only.  Compiled
937    code is still only installed for modules that were requested explicitly
938    or which are required for other modules that were requested explicitly.)
939    
940    ----------------------------------------------------------------------
941    Name: Matthias Blume (blume (at) tti - c (dot) org)
942    Date: 2004/04/23 17:40:00 CDT
943    Tag: blume-20040423-ieee-scan
944    Description:
945    
946    Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
947    in the exponent calculation we get INF or ZERO (depending on the mantissa
948    and the sign of the exponent).
949    
950    ----------------------------------------------------------------------
951    Name: Matthias Blume (blume (at) tti - c (dot) org)
952    Date: 2004/04/23 10:40:00 CDT
953    Tag: blume-20040423-ml-build
954    Description:
955    
956    The ml-build script now terminates with a non-0 status when something
957    goes wrong.
958    
959    ----------------------------------------------------------------------
960    Name: Matthias Blume (blume (at) tti - c (dot) org)
961    Date: 2004/04/22 16:35:00 CDT
962    Tag: blume-20040422-Option
963    Description:
964    
965    Made exception Option to be the same as exception Option.Option
966    (as it should be).
967    
968    ----------------------------------------------------------------------
969    Name: Allen Leung (leunga (at) reservoir (dot) com)
970    Date: 2004/03/19 14:40:00 EST
971    Tag: leunga-20040319-cygwin-nlffi
972    Description:
973    
974    Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
975    of SML/NJ.  The problem is that
976    
977       lib = dlopen(NULL, ...)
978       f   = dlsym(lib, "malloc");
979    
980    does not work on Windows unless we explicitly export symbols
981    such as 'malloc' during linking.  We fixed this by explicitly
982    exporting the required symbols with the magic gcc incantation:
983    
984        -Wl,--export-all cygwin.def
985    
986    where cygwin.def is a file containing all the symbols that
987    we wish to export.
988    
989    I suspect this is a Windows problem and we'll have to
990    do the same (somehow with windows compilers) when
991    we build the native win32 version with the system
992    calls LoadLibrary/GetProcAddress.
993    
994    ----------------------------------------------------------------------
995    Name: Matthias Blume (blume (at) tti - c (dot) org)
996    Date: 2004/03/04 16:35:00 CST
997    Tag: blume-20040304-intinf-fmt
998    Description:
999    
1000    Fixed problem with IntInf.fmt (sign would show up on the right instead
1001    of on the left for BIN, OCT, and HEX).
1002    
1003    ----------------------------------------------------------------------
1004    Name: Matthias Blume (blume (at) tti - c (dot) org)
1005    Date: 2004/03/04 11:25:00 CST
1006    Tag: blume-20040304-symlinks
1007    Description:
1008    
1009    Fixed problem with installer script (unix only) where bin/ml-yacc and
1010    friends pointed (via symlinks) to absolute locations instead of just
1011    .run-sml.  This was reported by Vesa A Norrman.
1012    
1013    ----------------------------------------------------------------------
1014    Name: Matthias Blume (blume (at) tti - c (dot) org)
1015    Date: 2004/02/13 14:50:00 CST
1016    Tag: Release_110_45
1017    Description:
1018    
1019    New working version (110.45). New bootfiles.
1020    
1021    ----------------------------------------------------------------------
1022    Name: Matthias Blume (blume (at) tti - c (dot) org)
1023    Date: 2004/01/26 15:15:15 CST
1024    Tag: blume-20040126-toplevel
1025    Description:
1026    
1027    Improved handling of exceptions at the interactive toplevel.
1028    
1029    ----------------------------------------------------------------------
1030    Name: Matthias Blume (blume (at) tti - c (dot) org)
1031    Date: 2004/01/26 11:25:00
1032    Tag: blume-20040126-app
1033    Description:
1034    
1035    Type of top-level "app" corrected.
1036    Added code for setting vp_limitPtrMask to Win32-specific runtime.
1037    
1038    ----------------------------------------------------------------------
1039    Name: Matthias Blume (blume (at) tti - c (dot) org)
1040    Date: 2003/11/18 17:10 CST
1041    Tag: blume-20031118-basis-fiddle
1042    Description:
1043    
1044    - changed Timer interface to what might become the spec
1045    - POSIX_FLAGS -> BIT_FLAGS according to spec
1046    - some other minor discrepancies wrt. spec eliminated
1047    
1048    ----------------------------------------------------------------------
1049    Name: Matthias Blume (blume (at) tti - c (dot) org)
1050    Date: 2003/11/06 12:00:00 CST
1051    Tag: Release_110_44
1052    Description:
1053    
1054    New working version (110.44). New bootfiles.
1055    
1056    ----------------------------------------------------------------------
1057    Name: Matthias Blume (blume (at) tti - c (dot) org)
1058    Date: 2003/11/04 11:50:00 CST
1059    Tag: blume-20031104-move-libraries
1060    Description:
1061    
1062    Eliminated the "dont_move_libraries" directive in config/targets.
1063    (The mechanism was broken and could not be fixed easily.  Moreover,
1064    there does not seem to be any reason not to move all libraries into
1065    lib during installation.  I originally implemented this directive as a
1066    backward-compatibility feature when I first introduced the new CM.
1067    Now that things have been stable for a long time and going back to the
1068    old CM is not an option, there is no reason to keep it around.)
1069    
1070    ----------------------------------------------------------------------
1071    Name: Matthias Blume (blume (at) tti - c (dot) org)
1072    Date: 2003/11/03 16:00:00 CST
1073    Tag: blume-20031103-installdir
1074    Description:
1075    
1076    Made installer honor INSTALLDIR variable again.  (Thanks to Chris
1077    Richards for pointing out the problem and providing the solution.)
1078    
1079    ----------------------------------------------------------------------
1080    Name: Matthias Blume (blume (at) tti - c (dot) org)
1081    Date: 2003/10/01 17:05:00 CDT
1082    Tag: blume-20031001-lal-mlrisc
1083    Description:
1084    
1085    MLRISC bug fix from Lal.
1086    
1087    ----------------------------------------------------------------------
1088    Name: Matthias Blume (blume (at) tti - c (dot) org)
1089  Date: 2003/09/30 16:10:00 CDT  Date: 2003/09/30 16:10:00 CDT
1090  Tag: blume-20030930-primio-bat  Tag: blume-20030930-primio-bat
1091  Description:  Description:

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