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Diff of /sml/trunk/HISTORY

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revision 1487, Tue May 11 19:01:04 2004 UTC revision 1572, Fri Jul 30 22:55:23 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: 2004/07/30 17:55:00 CDT
18    Tag: blume-20040730-various
19    Description:
20    
21    Gearing up towards 110.47...
22    
23    - various minor bugfixes to ml-nlffigen
24    - a beginning of a manual for nlffi
25    
26    - eliminated 'export name=value' in config/install.sh as this does
27      not work with certain versions of /bin/sh
28      (Thanks to David King at Motorola for catching this.)
29    
30    - several bugfixes provided or suggested by David Hansel at Reactive Systems:
31      - added a test for tm==NULL to gmtime.c and localtime.c
32      - applied patch for incorrect GetFileTime under win32
33      - toSeconds -> toMilliseconds in Win32/win32-process.sml
34    
35    ----------------------------------------------------------------------
36    Name: Matthias Blume (blume (at) tti - c (dot) org)
37    Date: 2004/07/21 18:20:00 CDT
38    Tag: blume-20040721-nlffigen
39    Description:
40    
41    - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
42      for a typedef to an incomplete type, but leave out the "typ" member.
43      (This is just for consistency.)
44    - Started to produce what is supposed to become better (i.e., comprehensive)
45      documentation of what ml-nlffigen does and produces.
46    
47    ----------------------------------------------------------------------
48    Name: Matthias Blume (blume (at) tti - c (dot) org)
49    Date: 2004/07/14 16:25:00 CDT
50    Tag: blume-20040714-union
51    Description:
52    
53    Added C_UNION to c-calls/c-types.sml and updated the machinery
54    (ml-nlffigen, cproto.sml) that conveys C function interface
55    information to the code generator.
56    
57    However, the actual architecture-specific implementation of function
58    arguments and results that are C unions is still not implemented.
59    
60    ----------------------------------------------------------------------
61    Name: Allen Leung (leunga (at) reservoir (dot) com)
62    Date: 2004/07/14 14:38:00 EST
63    Tag: leunga-110_46_1-ppc-lwzu
64    Description:
65    
66        Added these instructions to the PowerPC architecture:
67        LBZU(X), LHZU(X), LWZU(X),
68        STWU(X), STFDU, STFSU
69    
70        etc...
71    
72        Note: I haven't added their instruction encoding into the description.
73    
74    ----------------------------------------------------------------------
75    Name: Allen Leung (leunga (at) reservoir (dot) com)
76    Date: 2004/07/13 15:04:00 EST
77    Tag: leunga-110_46_1-ppc-lwarx
78    Description:
79    
80       Added the two instructions LWARX and STWCX to the PowerPC
81    instruction set.
82    
83       A (untested) rewrite of loop-structure.sml.  The old version
84    is completely broken.
85    
86    ----------------------------------------------------------------------
87    Name: Matthias Blume (blume (at) tti - c (dot) org)
88    Date: 2004/07/13 13:50:00 CDT
89    Tag: blume-20040713-nlffi
90    Description:
91    
92    - use paramAlloc to report c-calls with too many arguments
93      (for PPC version where parameter area is pre-allocated)
94    - added ccall_maxargspace to machspec (to implement the above)
95    - made "make" commend in CM's "make" tool configurable
96    - added option (default: on) for passing the name of the SML/NJ's "bin"
97      directory to "make"; the call looks like this:
98    
99         make <options> SMLNJ_BINDIR=<dir> <target>
100    
101      This can be used by the Makefile to, e.g., pick the "right" version
102      of ml-nlffigen.
103    - minor code tweaks
104    
105    ----------------------------------------------------------------------
106    Name: Matthias Blume (blume (at) tti - c (dot) org)
107    Date: 2004/07/12 22:50:00 CDT
108    Tag: blume-110_46_1-macosx-nlffi
109    Description:
110    
111    NLFFI under Mac OS X now working (sort of).  This is largely untested,
112    though.
113    
114    Note:  1. You have to make a new, clean build of the runtime system.
115           2. There are new BOOTFILES, you have to use them!
116              (Doing the bootstrap process yourself would be *very* painful!
117               If you absolutely have to do it, build the system under
118               a different architecture and then cross-compile.)
119    
120    Version bumped to 110.46.1 to account for runtime data format changes.
121    
122    ----------------------------------------------------------------------
123    Name: Matthias Blume (blume (at) tti - c (dot) org)
124    Date: 2004/06/18 14:30:00 CDT
125    Tag: blume-20040618-unix
126    Description:
127    
128    Changed the implementation of structure Unix so that the same stream
129    is returned every time one of the {text,bin}{In,Out}streamOf functions
130    is invoked on the same proc.  This is not what the spec currently
131    says -- although IMO it arguably should.  (See discussion below.)
132    
133    ----------------------------------------------------------------------
134    Name: Matthias Blume (blume (at) tti - c (dot) org)
135    Date: 2004/06/17 18:15:00 CDT
136    Tag: Release_110_46
137    Description:
138    
139    New working version (110.46).  NEW BOOTFILES!
140    
141    ----------------------------------------------------------------------
142    Name: Matthias Blume (blume (at) tti - c (dot) org)
143    Date: 2004/06/17 17:20:00 CDT
144    Tag: blume-20040617-timer-unix
145    Description:
146    
147    Changed the interface of structures Timer and Unix to match the most
148    recent Basis spec.
149    
150    In the case of Unix there still seems to be an open/weird issue:
151    
152       The {text,bin}{In,Out}streamOf functions are supposed to create
153       fresh streams whenever they are called -- as opposed to have them
154       return the same stream every time.  This design is supposed to
155       prevent space leaks caused by proc values hanging on to streams.
156    
157       The reap function, on the other hand, is supposed to close the
158       streams.  This cannot be done without having a handle on the
159       stream in proc after all...
160    
161    I took the liberty to implement the following stopgap solution:
162    
163      The proc value hangs on to the most recently created stream(s).
164      Reap closes those.  If either or both of the two streams hadn't
165      been created at all yet, then reap will close the corresponding
166      file descriptors directly.
167    
168    PS: I don't understand the original space leak argument anymore.  If
169    a proc hangs on to the imperative stream, then I/O operations on those
170    will advance the state of the cached stream and avoid the space leak.
171    
172    ----------------------------------------------------------------------
173    Name: Matthias Blume (blume (at) tti - c (dot) org)
174    Date: 2004/05/28 16:45:00 CDT
175    Tag: blume-20040528-basis
176    Description:
177    
178    Added signature PACK_REAL and exported functor PrimIO.
179    
180    ----------------------------------------------------------------------
181    Name: Matthias Blume (blume (at) tti - c (dot) org)
182    Date: 2004/05/25 16:00:00 CDT
183    Tag: blume-20040525-group-owner
184    Description:
185    
186    CM now ignores (but still accepts) the "owner" information in group
187    descriptions.  The owner of a group is its next enclosing
188    library. Each group must have a unique owner.  (There is a virtual
189    "toplevel" library that owns groups which are not nested within a real
190    library.)  Previously, each group had to explicitly declare its owner,
191    and CM would check that such a declaration is correct.  The new scheme
192    is to have CM check that for each group there is precisely one owning
193    library.
194    
195    The advantage of the new scheme is that the programmer no longer needs
196    to maintain the somewhat annoying owner information.  The downside is
197    that CM cannot enforce the ownership rule across multiple runs of
198    CM.make.  Fortunately, enclosing the same group in two different
199    libraries A and B which are not part of the same program does not
200    cause real problems.
201    
202    ----------------------------------------------------------------------
203    Name: Matthias Blume (blume (at) tti - c (dot) org)
204    Date: 2004/05/20 16:00:00 CDT
205    Tag: blume-20040520-win32
206    Description:
207    
208    Made the win32 version work again.  (Strangely, a misplaced comma had
209    slipped into win32-process.c which prevented the runtime from being
210    compiled correctly.)
211    
212    Also, included a minor addition to ml-build.bat analogous to what was
213    done in blume-20040519-ml-build.
214    
215    ----------------------------------------------------------------------
216    Name: Matthias Blume (blume (at) tti - c (dot) org)
217    Date: 2004/05/19 22:10:00 CDT
218    Tag: blume-20040519-ml-build
219    Description:
220    
221    Arranged for ml-build to clean up after itself a little bit better.
222    The script generates a temporary SML source file and compiles it using
223    CM, so CM generates metadata (GUID, SKEL, objectfile) for it.  It now
224    gets rid of those at the end, so they don't accumulate under .cm.
225    
226    This required a minor change to install.sh because the name of the
227    metadata directory (default: .cm) is actually configurable at
228    installation time.
229    
230    ----------------------------------------------------------------------
231    Name: Matthias Blume (blume (at) tti - c (dot) org)
232    Date: 2004/05/18 15:50:00 CDT
233    Tag: blume-20040518-mkreader
234    Description:
235    
236    Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
237    implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
238    
239    ----------------------------------------------------------------------
240    Name: Matthias Blume (blume (at) tti - c (dot) org)
241    Date: 2004/05/11 14:35:00 CDT
242    Tag: blume-20040511-win32sock
243    Description:
244    
245    Added previously missing support for many socket-related functions
246    under win32.  Thanks to David Hansel <hansel@reactive-systems.com>
247    for the voluminous patch!
248    
249    (I have not tested this patch under win32 yet.)
250    
251    Here is David's e-mail:
252    
253    Hi,
254    
255    Attached to this email you find a diff against sml/nj 110.45
256    that will enable socket support under Windows.
257    
258    To apply the patch (using unix or cygwin)
259    1) gunzip runtime.diff.gz
260    2) "cd" into "src/runtime" in the source tree of a fresh
261       110.45 installation.
262    3) patch -p 1 < [your/path/to]runtime.diff
263    
264    The code compiles fine but has NOT yet been extensively tested.
265    I only ran a few tests for basic socket client functionality
266    (which worked fine).  Especially the functions that use ioctl
267    are not tested at all and might not work (see below).
268    
269    I implemented this since we want to move to a newer version of sml/nj
270    but need socket support in order to use it.  This is the first time I
271    even had a look at the sml/nj source,  so please review my changes
272    before making this part of the distribution!  Here are a few issues
273    that I think might be better for someone to solve who is more
274    familiar with the sml/nj source (and socket programming):
275    
276    - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
277      exception since I could not figure out what the windows equivalent
278      of these functions is
279    
280    - In sockets-osdep.h there are a some #include statements that are
281      only used in a few files that include sockets-osdep.h
282    
283    - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
284      does not process its return value since I don't know how to
285      report an error upwards.
286    
287    - It would probably be good to have a call to WSACleanup() when
288      the library is unloaded (if there is such a possibility).
289      Otherwise I think Windows will take care of this automatically
290      when the process finishes.
291    
292    - I used ioctlsocket() as a replacement for ioctl() but I have
293      no idea if that is actually the proper replacement on Windows.
294    
295    - All these issues are marked in the code by "FIXME" comments.
296    
297    We use sml/nj extensively in our products and are quite happy
298    with it.  I hope this contribution will help you.
299    
300    Keep up the good work!
301    
302    David
303    
304    ----------------------------------------------------------------------
305    Name: Matthias Blume (blume (at) tti - c (dot) org)
306    Date: 2004/05/11 14:20:00 CDT
307    Tag: blume-20040511-installml
308    Description:
309    
310    Fixed two bugs in installml script.  (Thanks to Vesa A. Norrman for
311    the patch.)
312    
313    ----------------------------------------------------------------------
314    Name: Matthias Blume (blume (at) tti - c (dot) org)
315  Date: 2004/05/11 14:05:00 CDT  Date: 2004/05/11 14:05:00 CDT
316  Tag: blume-20040511-nlffi-netbsd  Tag: blume-20040511-nlffi-netbsd
317  Description:  Description:

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