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Author SHA1 Message Date
Gareth Rees
8b87dccf6e Indirect formatted scanning through the scanstate. 
This will allow us to reuse the scanning protocol with an arbitrary area
scanning function (replacing traceFormatScan) in order to implement
formatted object walking without an extra segment method.

Don't insist on scanning only grey segments: we want to be able to
reuse the scan protocol for walking, when the segments are black.
 2022-01-17 17:12:58 +00:00
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
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
cbf9885146 Document the event parameters. 
Split event ArenaAccess into ArenaAccessBegin and ArenaAccessEnd to avoid the need for the count field.
New events SegReclaim and SegScan.
Delete some redundant events: AMCFinish (PoolFinish), AMCFix, AMCFixForward, AMCFixInPlace (TraceFix), AMCGenCreate (GenInit), AMCGenDestroy (GenFinish), AMCInit (PoolInitAMC), AMCReclaim (SegReclaim), AMCScanBegin, AMCScanEnd (SegScan), ArenaWriteFaults (ArenaAccessBegin), PoolInitMV, TraceScanSeg (SegScan).
Add result code field to events ArenaAllocFail, CommitLimitSet, SegAllocFail.
Remove arena field from events PoolInitAMS, PoolInitMFS, PoolInitMVFF (already appeared in generic PoolInit event).

Copied from Perforce
 Change: 195247
 2018-10-14 14:04:40 +01:00
Gareth Rees
d2d2895c03 Catch-up merge from master sources at changelevel 194022 to branch/2018-06-20/monitor. 
Copied from Perforce
 Change: 195071
 2018-09-15 21:29:28 +01:00
Gareth Rees
5ba5e57142 Merge branch/2016-03-30/tract-p-elim into the master sources. 
Copied from Perforce
 Change: 194716
 2018-07-23 11:31:47 +01:00
Gareth Rees
e93f962230 Merge branch/2018-07-09/seg-alloc into the master sources. 
Copied from Perforce
 Change: 194690
 2018-07-19 06:25:51 +01:00
Gareth Rees
99e261770e Catch-up merge from master sources at changelevel 194657 to branch/2016-03-30/tract-p-elim. 
Copied from Perforce
 Change: 194661
 2018-07-16 09:31:11 +01:00
Gareth Rees
9ebe13a309 Reference the design. 
Copied from Perforce
 Change: 194657
 2018-07-15 20:41:07 +01:00
Gareth Rees
5beafc39b9 catch-up merge from master sources at changelevel 194605 to branch/2016-03-30/tract-p-elim. 
Copied from Perforce
 Change: 194617
 2018-07-11 21:52:22 +01:00
Gareth Rees
f3f941284f New bufferfill and bufferempty methods on segments. 
Copied from Perforce
 Change: 194568
 2018-07-10 15:02:18 +01:00
Gareth Rees
cf9dbca31c Fix issues identified in review by gdr. 
Copied from Perforce
 Change: 194472
 2018-07-06 11:48:41 +01:00
Gareth Rees
0edb390dc4 Catch-up merge from master sources at changelevel 194456 to branch/2016-03-30/tract-white-elim. 
Copied from Perforce
 Change: 194469
 2018-07-06 11:06:20 +01:00
Gareth Rees
ba03d79694 Catch-up merge from master sources at changelevel 194449 to branch/2018-06-18/mrgseg. 
Copied from Perforce
 Change: 194452
 2018-07-05 16:22:24 +01:00
Gareth Rees
9f031d9c5c Not safe to call segsetsummary from gcsegfinish. 
Copied from Perforce
 Change: 194277
 2018-06-28 14:34:58 +01:00
Gareth Rees
7a10a50136 New event segsetsummary allows the monitor to track the sizes of segments referencing particular zones. 
Copied from Perforce
 Change: 194259
 2018-06-28 13:14:12 +01:00
Gareth Rees
3ab83fd7db Add a check that the flipped trace was not already flipped. 
Copied from Perforce
 Change: 194006
 2018-06-20 11:06:01 +01:00
Gareth Rees
01baf3cfda New generic function segflip allows the segment to decide how to handle a trace that’s about to flip. 
Copied from Perforce
 Change: 194000
 2018-06-20 10:23:16 +01:00
Gareth Rees
9d244d3e14 Refactor arenapeekseg so that it maintains the mps invariants by scanning the segment if necessary. arenaread is now a thin wrapper around arenapeekseg. new function arenawrite is now the corresponding wrapper around arenapokeseg. 
MRG reference segments inherit from GCSeg (not MutatorSeg) and so don't have hardware barriers. Instead, the code implements software barriers by always using ArenaRead and ArenaWrite.

Copied from Perforce
 Change: 193990
 2018-06-19 16:25:52 +01:00
Gareth Rees
fd1d022908 Segment class gcseg no longer implements hardware barriers; these are implemented by new subclass mutatorseg, which is now used everywhere that gcseg was used formerly. the idea is that in a future change mrgrefseg will inherit from gcseg instead of mutatorseg. 
Copied from Perforce
 Change: 193981
 2018-06-19 14:45:42 +01:00
Gareth Rees
c4949fb608 Postpone some lookups until it is known that they are needed (avoiding the lookups in the common case where they are not). 
Copied from Perforce
 Change: 193975
 2018-06-19 12:27:07 +01:00
Gareth Rees
2a24ad79df Since we know that a segment belongs to a pool with a format at the point where we call segwalk, it makes sense to pass the format. 
Copied from Perforce
 Change: 193079
 ServerID: perforce.ravenbrook.com
 2017-03-31 09:15:41 +01:00
Gareth Rees
2962cdff8b Check that arena, buffer, land classes override sets of related methods. 
Copied from Perforce
 Change: 193060
 ServerID: perforce.ravenbrook.com
 2017-03-30 20:43:43 +01:00
Gareth Rees
17c1449096 Check that segment classes override sets of related methods. 
Add missing finish functions amcSegFinish, mrgLinkSegFinish, mrgRefSegFinish, sncSegFinish.
Check all class constructor results.

Copied from Perforce
 Change: 193055
 ServerID: perforce.ravenbrook.com
 2017-03-30 11:37:41 +01:00
Gareth Rees
d4a68602ff Changing segnowalk to segtrivwalk avoids the need for attrfmt (now we can walk all segments). 
Copied from Perforce
 Change: 193044
 ServerID: perforce.ravenbrook.com
 2017-03-30 10:18:22 +01:00
Gareth Rees
2ffd832103 Move access method from pool class to segment class. 
Copied from Perforce
 Change: 193039
 ServerID: perforce.ravenbrook.com
 2017-03-30 09:55:37 +01:00
Gareth Rees
a400239f7e Move walk method from pool class to segment class. 
Copied from Perforce
 Change: 193028
 ServerID: perforce.ravenbrook.com
 2017-03-30 08:54:35 +01:00
Gareth Rees
b7a490ae32 Move fix and fixemergency methods from pool class to segment class. 
Copied from Perforce
 Change: 193023
 ServerID: perforce.ravenbrook.com
 2017-03-30 08:09:14 +01:00
Gareth Rees
00a4ade456 Move scan method from pool class to segment class. 
Copied from Perforce
 Change: 193012
 ServerID: perforce.ravenbrook.com
 2017-03-29 19:17:17 +01:00
Gareth Rees
db5db0a9f3 Move reclaim method from pool class to segment class. 
Copied from Perforce
 Change: 193007
 ServerID: perforce.ravenbrook.com
 2017-03-29 17:13:45 +01:00
Gareth Rees
07adf64ebb Move whiten method from pool class to segment class. 
Copied from Perforce
 Change: 193002
 ServerID: perforce.ravenbrook.com
 2017-03-29 16:22:14 +01:00
Gareth Rees
47a1715c2d Move greyen method from pool class to segment class. 
Copied from Perforce
 Change: 192997
 ServerID: perforce.ravenbrook.com
 2017-03-29 15:58:32 +01:00
Gareth Rees
1dc5ac742a Move the blacken method from the pool class to the segment class. 
Copied from Perforce
 Change: 192994
 ServerID: perforce.ravenbrook.com
 2017-03-29 15:32:17 +01:00
Gareth Rees
91551170b1 Remove return statements that have no effect. 
Copied from Perforce
 Change: 192529
 ServerID: perforce.ravenbrook.com
 2016-10-13 15:17:50 +01:00
Gareth Rees
331ec20beb Catch-up merge from master sources to branch/2016-04-12/job004000. 
Copied from Perforce
 Change: 192187
 ServerID: perforce.ravenbrook.com
 2016-09-05 16:01:17 +01:00
Gareth Rees
c07c5d6b8f Catch-up merge from the master sources to branch/2016-04-23/inst-methods. 
Copied from Perforce
 Change: 192176
 ServerID: perforce.ravenbrook.com
 2016-09-05 15:31:34 +01:00
Gareth Rees
baf2277b30 Catch-up merge from the master sources. 
Copied from Perforce
 Change: 192170
 ServerID: perforce.ravenbrook.com
 2016-09-05 15:21:33 +01:00
Gareth Rees
55adbe705d Fix assertion text in the manual. 
Place a cross-reference by each assertion the appears in the manual, to assist in keeping the manual up to date.

Copied from Perforce
 Change: 192097
 ServerID: perforce.ravenbrook.com
 2016-09-02 14:11:08 +01:00
Richard Brooksby
e26f0b64e5 Replacing segbuffer with version that returns bool and the buffer, and disallowing null to segsetbuffer, adding setunsetbuffer for that case instead. 
Copied from Perforce
 Change: 191695
 ServerID: perforce.ravenbrook.com
 2016-04-27 15:47:26 +01:00
Richard Brooksby
9a6981ae41 Temporarily introducing seggetbuffer to eliminate use of "null" to mean "no buffer". 
Copied from Perforce
 Change: 191694
 ServerID: perforce.ravenbrook.com
 2016-04-27 15:27:47 +01:00
Richard Brooksby
a6dbb075df Making init a method on inst and using it as next-method in segments. 
Copied from Perforce
 Change: 191603
 ServerID: perforce.ravenbrook.com
 2016-04-23 15:37:12 +01:00
Richard Brooksby
a9c54783bf Making finish a method on inst and implementing generic finish for segments. 
Copied from Perforce
 Change: 191602
 ServerID: perforce.ravenbrook.com
 2016-04-23 15:37:12 +01:00
Richard Brooksby
9a38cd69db Making describe a method on inst and implementing generic describe for segments. 
Copied from Perforce
 Change: 191601
 ServerID: perforce.ravenbrook.com
 2016-04-23 15:37:11 +01:00
Richard Brooksby
056a298003 Turning segment describe methods the right way in, so that they call next-method. deleting duplicate implementation of basic segment describe! 
Copied from Perforce
 Change: 191588
 ServerID: perforce.ravenbrook.com
 2016-04-23 00:48:48 +01:00
Gareth Rees
ea578a4939 Catch-up merge from master sources to branch/2016-04-20/seghasbuffer. 
Copied from Perforce
 Change: 191548
 ServerID: perforce.ravenbrook.com
 2016-04-22 11:38:55 +01:00
Gareth Rees
7d30523dcd New function seghasbuffer. 
Copied from Perforce
 Change: 191537
 ServerID: perforce.ravenbrook.com
 2016-04-22 10:08:29 +01:00
Gareth Rees
6d0dccb644 Catch-up merge from master sources to branch/2016-04-12/job004000. 
Copied from Perforce
 Change: 191512
 ServerID: perforce.ravenbrook.com
 2016-04-21 18:03:23 +01:00
Richard Brooksby
efb1d94578 Catch-up merge from master sources to branch/2016-04-08/protidying. 
Copied from Perforce
 Change: 191471
 ServerID: perforce.ravenbrook.com
 2016-04-21 14:46:10 +01:00