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37 commits

Author SHA1 Message Date
Gareth Rees
f47c389a52 Fix indentation of second clause of license. 2020-08-30 10:13:06 +01:00
Gareth Rees
af0f431eda Use https: instead of http: when linking to the ravenbrook web site. 2020-08-30 10:13:03 +01:00
Peter Jackson
4de2606846 Publish licence updates in code directory. 
Publish minor changes to readme and configure files in main directory.
Main directory and code directory licence texts are now fully updated.

Copied from Perforce
 Change: 196994
 2020-06-11 17:05:40 +01:00
Gareth Rees
00b7596287 Revert change 196178, submitted on wrong branch. 
Copied from Perforce
 Change: 196185
 2019-06-05 10:36:50 +01:00
Gareth Rees
6e116da468 Restore assembly code (removed in change 194595) for spilling callee-save registers on fr and li platforms. 
Copied from Perforce
 Change: 196178
 2019-06-04 14:09:05 +01:00
Gareth Rees
d245671303 Update urls (mostly http -> https). 
Copied from Perforce
 Change: 195858
 2018-12-10 13:07:41 +00:00
Gareth Rees
4eda4e85c7 Use tags with dots; regularize design references from code. 
Copied from Perforce
 Change: 195761
 2018-11-29 17:12:29 +00:00
Gareth Rees
13e3f5d1cd Assert that stackhot gives us an address that's warmer than the jump buffer, as suggested by nb. 
Copied from Perforce
 Change: 194594
 2018-07-11 15:02:19 +01:00
Gareth Rees
81fdc239e7 Fix issues identified in review by gdr <https://info.ravenbrook.com/mail/2018/07/07/15-54-49/0/> 
Copied from Perforce
 Change: 194494
 2018-07-07 19:23:58 +01:00
Richard Brooksby
a3bab72904 Removing incorrect assertion the stack pointers are word aligned. 
Updating comments to refer to tags within design documents.

Copied from Perforce
 Change: 189639
 ServerID: perforce.ravenbrook.com
 2016-03-04 13:58:53 +00:00
Richard Brooksby
f9b9d6f534 Renaming design.mps.ss to design.mps.stack-scan. 
Copied from Perforce
 Change: 189607
 ServerID: perforce.ravenbrook.com
 2016-03-04 11:54:19 +00:00
Richard Brooksby
bb8869368c Storing the pointer to the stack frame where setjmp was invoked, rather than the address of the jump buffer, as the hot end of the mutator state, because callee-save registered might be stored on either side of the jump buffer by the compiler. 
Removing the unnecessary assumption that the stack ends are word-aligned.

Copied from Perforce
 Change: 189582
 ServerID: perforce.ravenbrook.com
 2016-03-03 17:12:43 +00:00
Richard Brooksby
91cdd1c02e Scanning the whole stack context on every platform using portable code, because on no platform can we assume that any registers never contain references. 
Copied from Perforce
 Change: 189570
 ServerID: perforce.ravenbrook.com
 2016-03-03 02:10:58 +00:00
Richard Brooksby
f89e49acfe Catch-up merge from master sources to branch/2014-10-26/sc. 
Includes hairy merging of stack manipulation code and may need further work on each platform.

Copied from Perforce
 Change: 189545
 ServerID: perforce.ravenbrook.com
 2016-03-02 17:55:25 +00:00
Richard Brooksby
14774ccd06 Eliminating closure_size from area scanners and root registration functions, as it isn't all that useful. 
Copied from Perforce
 Change: 189491
 ServerID: perforce.ravenbrook.com
 2016-03-01 15:59:06 +00:00
Richard Brooksby
6413f3bc27 Renaming "bottom" and "top" of stack to "cold" and "hot" end, to prevent confusion about descending stacks. 
Correcting design documentation relating to stacks.
Referencing hot and cold end concepts from glossary entry for control stacks.

Copied from Perforce
 Change: 189320
 ServerID: perforce.ravenbrook.com
 2016-02-18 23:49:58 +00:00
Richard Brooksby
4487895475 Detabifying code and restructuredtext files. 
Copied from Perforce
 Change: 189309
 ServerID: perforce.ravenbrook.com
 2016-02-18 19:58:13 +00:00
Richard Brooksby
85a2d8683f Lifting and generalising area scanners to allow flexible tagging schemes. 
Copied from Perforce
 Change: 189189
 ServerID: perforce.ravenbrook.com
 2016-02-15 15:30:08 +00:00
Richard Brooksby
46b1f31fee Separating arenaenter from stack_context_begin and arenaleave from stack_context_end as they are not conceptually nested that way. 
Copied from Perforce
 Change: 189446
 ServerID: perforce.ravenbrook.com
 2016-02-12 15:22:34 +00:00
Gareth Rees
ea6250898a New function mps_root_create_reg_masked applies a mask and pattern test to all words in registers and on the stack when scanning them. this supports tagged references in these locations. 
Consistently use the type "Word *" for pointers into the stack or into saved registers.
Remove TraceScanAreaTagged.

Copied from Perforce
 Change: 188231
 ServerID: perforce.ravenbrook.com
 2015-09-04 12:22:03 +01:00
Gareth Rees
3459d9db48 Address review comments from rb in <https://info.ravenbrook.com/mail/2015/08/07/14-48-14/0/> 
Copied from Perforce
 Change: 188112
 ServerID: perforce.ravenbrook.com
 2015-08-10 17:22:31 +01:00
Gareth Rees
161659fc80 Make sure we satisfy design.mps.sc.req.setjmp! 
Improve organization of design.

Copied from Perforce
 Change: 187434
 ServerID: perforce.ravenbrook.com
 2014-10-31 15:34:11 +00:00
Gareth Rees
fdc3ceb3f6 Stack context is saved by stack_context_save, not just by stack_context_begin. 
Copied from Perforce
 Change: 187430
 ServerID: perforce.ravenbrook.com
 2014-10-31 15:28:33 +00:00
Gareth Rees
cc9becad74 Fix typo; document the assumptions used by stackscan. 
Copied from Perforce
 Change: 187428
 ServerID: perforce.ravenbrook.com
 2014-10-31 15:19:49 +00:00
Gareth Rees
87af8bf916 Avoid copying out design into the code -- keep things in one place. 
No need for a prototype for StackScanInner.
Explain the fragility of the analysis and how we cope with it.

Copied from Perforce
 Change: 187425
 ServerID: perforce.ravenbrook.com
 2014-10-31 15:07:36 +00:00
Gareth Rees
0f2e2b8c09 Check the result of calling setjmp. 
Avoid "might be clobbered by ‘longjmp’ or ‘vfork’" error from gcc.
Explain why we don't use assembly language to spill the registers.

Copied from Perforce
 Change: 187423
 ServerID: perforce.ravenbrook.com
 2014-10-31 14:09:40 +00:00
Gareth Rees
55d9135792 Save mutator context on entry to the mps. 
Copied from Perforce
 Change: 187412
 ServerID: perforce.ravenbrook.com
 2014-10-26 22:18:57 +00:00
Richard Brooksby
4c51d72b56 Partial merge of branch/2012-07-23/cet-transform, excluding cet-specific parts. 
Copied from Perforce
 Change: 179309
 ServerID: perforce.ravenbrook.com
 2012-09-06 17:17:18 +01:00
Richard Brooksby
f22e14e334 Eliminating "impl" type tags and replacing them with uri-style file references. 
Copied from Perforce
 Change: 29900
 ServerID: perforce.ravenbrook.com
 2002-06-07 17:34:59 +01:00
Richard Brooksby
5afb4899ef Adding forward reference to licenses from copyright notices. 
Adding licenses to a couple of files I missed.

Copied from Perforce
 Change: 29837
 ServerID: perforce.ravenbrook.com
 2002-06-06 11:56:19 +01:00
Richard Brooksby
819ed0ed76 Adding licenses to source code files. 
Copied from Perforce
 Change: 29836
 ServerID: perforce.ravenbrook.com
 2002-06-06 11:44:23 +01:00
Richard Brooksby
c2b33bb9b5 Removing hopenames from the master sources. 
This change will be integrated but ignored (-ay) to the gg-epcore/union sources, so that they retain HopeNames.

Copied from Perforce
 Change: 24911
 ServerID: perforce.ravenbrook.com
 2001-12-07 13:19:25 +00:00
Richard Brooksby
d0ccf8fa9a Adding hopenames back into the master sources, so that they can be included in the union sources along with the id keywords. 
This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl.

Copied from Perforce
 Change: 24877
 ServerID: perforce.ravenbrook.com
 2001-12-06 18:14:02 +00:00
Richard Brooksby
c84f2a8553 Updating copyright messages to say copyright 2001 ravenbrook throughout. 
Adding some missing copyright messages.

Copied from Perforce
 Change: 24818
 ServerID: perforce.ravenbrook.com
 2001-12-05 16:18:43 +00:00
Richard Brooksby
e0a5828027 Changing hopename keywords to id keywords throughout, to work with perforce. 
Copied from Perforce
 Change: 24817
 ServerID: perforce.ravenbrook.com
 2001-12-05 16:05:52 +00:00
Richard Brooksby
68e0b8253f Merging changes from union to masters. this incorporates pekka's updates: tuning and a type in amcsshe.c and some adding some missing checks in arenavm.c. it also brings our cope of their hopenames up to date. 
Copied from Perforce
 Change: 24815
 ServerID: perforce.ravenbrook.com
 2001-12-05 15:48:24 +00:00
Nick Barnes
88e5e63275 Branch imports for masters. 
Copied from Perforce
 Change: 23678
 ServerID: perforce.ravenbrook.com
 2001-10-31 14:40:56 +00:00
Renamed from mps/src/ss.h (Browse further)