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Author SHA1 Message Date
Richard Brooksby
8140fab4dd Creating general mps_root_create_thread and renaming mps_root_create_stack as a specialised version of it, mps_root_create_thread_tagged. 
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 Change: 189198
 ServerID: perforce.ravenbrook.com
 2016-02-15 19:12:59 +00:00
Richard Brooksby
a759889048 Reimplementing mps_root_create_reg in terms of rootcreatethreadtagged and abolishing rootreg. yay! 
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 Change: 189197
 ServerID: perforce.ravenbrook.com
 2016-02-15 18:19:30 +00:00
Richard Brooksby
53ce574bfe Renaming rootreg_masked to rootthread_tagged with corresponding changes to other identifiers. 
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 Change: 189196
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 2016-02-15 17:57:06 +00:00
Richard Brooksby
b04dbd8677 Generalising roottable to rootarea and using it to implement mps_root_create_table_* and mps_root_create_area. 
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 Change: 189193
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 2016-02-15 17:30:45 +00:00
Richard Brooksby
3b33c0808b Generalising roottable_masked to rootarea_tagged and lifting scanner assumption. 
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 Change: 189192
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 2016-02-15 16:56:42 +00:00
Gareth Rees
edf30c06b4 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
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 2015-09-04 12:22:03 +01:00
Gareth Rees
6359b0ed98 Merge branch/2014-09-29/reserved into the master sources. 
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 Change: 188090
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 2015-08-07 16:33:43 +01:00
Gareth Rees
169aaf972f Rename locusprefhigh to locusprefhigh and so on, to follow <http://www.ravenbrook.com/project/mps/master/design/guide.impl.c.naming#capital-constant> 
Copied from Perforce
 Change: 187283
 ServerID: perforce.ravenbrook.com
 2014-10-19 09:19:43 +01:00
Gareth Rees
00229b0479 Use the method suffix only for methods in classes; use visitor or function for other kinds of functions. 
New document guide.impl.c.naming sets out the rules for naming.

Copied from Perforce
 Change: 187159
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 2014-10-07 23:48:55 +01:00
Gareth Rees
f3cf67c792 New constant rankmin gives the minimum rank. use this (rather than 0 or rankambig) to better express the intention. 
Copied from Perforce
 Change: 187156
 ServerID: perforce.ravenbrook.com
 2014-10-07 22:31:12 +01:00
Gareth Rees
72209444c0 Store reserved address space associated with chunk in a field in the chunkstruct, as suggested by rb in <https://info.ravenbrook.com/mail/2014/10/01/13-55-44/0/>. 
Copied from Perforce
 Change: 187104
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 2014-10-01 21:40:50 +01:00
Gareth Rees
53c5301a9e Instead of iterating over the chunks to compute the total reserved address space, maintain a running total in arenachunkinsert and (new function) arenachunkremoved. 
New arena class method chunkReserved handles the class-specific computation of the reserved size of a chunk.

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 Change: 187089
 ServerID: perforce.ravenbrook.com
 2014-09-29 22:50:46 +01:00
Gareth Rees
21f6addf6c Rename mps_class_t to mps_pool_class_t for clarity. 
Retain a typedef for mps_class_t for backwards compatibility.

Copied from Perforce
 Change: 187065
 ServerID: perforce.ravenbrook.com
 2014-09-27 13:37:38 +01:00
Gareth Rees
7c2e271e60 Rename segpref to locuspref -- this structure describes preferences for the placement of any kind of address, not just segments. 
Add LocusPrefDescribe and use it in MVFFDescribe.

Copied from Perforce
 Change: 187061
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 2014-09-27 11:27:00 +01:00
Gareth Rees
5e11b7034a Catch-up merge from master sources @186536 to branch/2014-05-15/size. 
Copied from Perforce
 Change: 186539
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 2014-06-12 16:46:36 +01:00
Gareth Rees
cb629746ea Catch-up merge from masters sources @186519 to branch/2014-04-17/describe. 
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 Change: 186526
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 2014-06-12 13:45:22 +01:00
Gareth Rees
5969ae2114 Catch-up merge from branch/2014-04-15/mvffnoseg @186485 to branch/2014-05-15/size. 
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 Change: 186487
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 2014-06-11 13:17:14 +01:00
Gareth Rees
0b5dbed673 Catch-up merge from master sources @186460 to branch/2014-04-08/align. 
Copied from Perforce
 Change: 186461
 ServerID: perforce.ravenbrook.com
 2014-06-09 19:26:31 +01:00
Gareth Rees
3f98a87c2e Remove unused pool class attributes. 
Bring method descriptions up to date in pool class design.

Copied from Perforce
 Change: 186446
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 2014-06-08 19:54:24 +01:00
Gareth Rees
f76c7b8c68 Fix compilation on fri3gc: need readonlyaddradd macro to avoid warning. 
Copied from Perforce
 Change: 186442
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 2014-06-08 17:15:54 +01:00
Gareth Rees
317cad785d Catch-up merge from master sources @186436 to branch/2014-04-08/align. 
Copied from Perforce
 Change: 186439
 ServerID: perforce.ravenbrook.com
 2014-06-08 16:30:53 +01:00
Gareth Rees
f8dae46723 New type readonlyaddr for managed address that an interface promises only to read through. 
Use ReadonlyAddr for debugging pool fenceTemplate and freeTemplate, so that we can restore -Wwrite-strings option for GCC.

Copied from Perforce
 Change: 186434
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 2014-06-08 14:53:17 +01:00
Gareth Rees
fd57486106 Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/05/23/12-44-54/0/>. 
Copied from Perforce
 Change: 186300
 ServerID: perforce.ravenbrook.com
 2014-05-25 20:49:22 +01:00
Gareth Rees
181767e4db Split land iteration into two functions, one which deletes ranges, the other which does not. 
Copied from Perforce
 Change: 186298
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 2014-05-25 19:26:48 +01:00
Gareth Rees
bb21449097 Landiterate now returns a bool indicating whether all visitor calls returned true. 
Copied from Perforce
 Change: 186165
 ServerID: perforce.ravenbrook.com
 2014-05-18 22:46:16 +01:00
Gareth Rees
981a266642 New public functions mps_pool_total_size and mps_pool_free_size. 
Old (undocumented) functions mps_{mv,mvff,mvt}_size and mps_{mv,mvff,mvt}_free_size are now macros for the new public functions.
New pool methods PoolTotalSize and PoolFreeSize, with implementations for public pool classes except SNC.
Coverage of the new functions in apss and mpmss for the manual pool classes, and in finaltest for the automatic pool classes.

Copied from Perforce
 Change: 186118
 ServerID: perforce.ravenbrook.com
 2014-05-15 17:01:59 +01:00
Gareth Rees
2493f121dc Correct indentation of describe output by passing depth parameter to describe functions and to writef. 
Call Describe functions from test cases so that we get coverage.

Copied from Perforce
 Change: 186000
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 2014-05-11 18:20:38 +01:00
Gareth Rees
87b3880405 New generic function landsize returns the total size of ranges in a land (if the land supports it). implement it for all land classes. 
The MVFF pool class doesn't have to maintain its free size any more: it can just call LandSize.
Move re-entrancy protection from CBS to Land. This allows us to remove some CBS functions. (But requires some adjustment in failoverDelete.)
In MVFF, do more checking of mvff->total.

Copied from Perforce
 Change: 185569
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 2014-04-15 16:35:34 +01:00
Gareth Rees
42f18f93af Catch-up merge from master/...@185556 to branch/2014-03-30/addrset. 
Copied from Perforce
 Change: 185563
 ServerID: perforce.ravenbrook.com
 2014-04-15 13:14:50 +01:00
Gareth Rees
93a79ac8a6 Add -wconversion to the options for gcc. ensure that the mps builds. 
Copied from Perforce
 Change: 185463
 ServerID: perforce.ravenbrook.com
 2014-04-11 14:25:15 +01:00
Gareth Rees
4b5d396792 Catch-up merge from master sources to branch/2014-03-30/addrset. 
Copied from Perforce
 Change: 185288
 ServerID: perforce.ravenbrook.com
 2014-04-07 15:02:09 +01:00
Gareth Rees
116021aef0 Complete design.mps.type and design.mps.interface-c and move them to "current" design in the manual. 
Remove unused enumeration FormatVariety from mpmtypes.
Improve wording of manual entry on MPS_RM_PROT.

Copied from Perforce
 Change: 185259
 ServerID: perforce.ravenbrook.com
 2014-04-06 20:00:31 +01:00
Gareth Rees
0b159dc650 New module failover implements a fail-over allocator as a land class. 
Use Failover in MVT and MVFF.
Test Failover in landtest.
Implementation of LandFindInZones for Freelist (untested).
Remove signature from RangeStruct so we can embed it without a space cost.

Copied from Perforce
 Change: 185196
 ServerID: perforce.ravenbrook.com
 2014-04-03 12:52:23 +01:00
Gareth Rees
b409ae89f6 Turn freelist into a land class. 
Copied from Perforce
 Change: 185155
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 2014-04-02 14:01:18 +01:00
Gareth Rees
d2cbfda452 First pass at implementation of lands (collections of address ranges). 100% boilerplate! 
Copied from Perforce
 Change: 185131
 ServerID: perforce.ravenbrook.com
 2014-04-01 19:51:55 +01:00
Richard Brooksby
f9051f09f6 Catch-up merge from master, mainly to pick up gcbench fixes. 
Copied from Perforce
 Change: 184504
 ServerID: perforce.ravenbrook.com
 2014-02-25 01:29:12 +00:00
Richard Brooksby
2efd201955 Declaring result codes using a relational macro, so that tests can print more meaningful output, and to eliminate redundant code. 
Copied from Perforce
 Change: 184382
 ServerID: perforce.ravenbrook.com
 2014-02-19 11:55:43 +00:00
Richard Brooksby
2151d00c7f Catch-up merge from master, mainly to pick up spare-ring merge. 
Copied from Perforce
 Change: 184365
 ServerID: perforce.ravenbrook.com
 2014-02-18 13:47:49 +00:00
Richard Brooksby
d8cb7e9a01 Catch-up merge from master, mainly to pick up chain-zones merge. 
Copied from Perforce
 Change: 184343
 ServerID: perforce.ravenbrook.com
 2014-02-14 15:23:36 +00:00
Richard Brooksby
9bc635b24d Further tidying up of the page descriptor and naming. 
Copied from Perforce
 Change: 184323
 ServerID: perforce.ravenbrook.com
 2014-02-11 14:14:16 +00:00
Richard Brooksby
252383465b Abolishing vmarenaalloc and its horrible relatives. 
Removing redundant SegPref structures from pools that only ever used the default.
Abolishing the VMNZ arena class, to be replaced with an option to ArenaCreate.

Copied from Perforce
 Change: 184293
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 2014-02-04 18:10:53 +00:00
Richard Brooksby
ae6362a7ce Adding arena extension back to the arena allocation policy. 
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 Change: 184280
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 2014-01-31 22:47:29 +00:00
Richard Brooksby
66a05e1f05 Changes from review comments made in <https://info.ravenbrook.com/mail/2014/01/31/13-40-25/0/>. 
ArenaSpareCommitExceeded changed to ArenaPurgeSpare so that the arena can properly reduce the amount of spare memory when setting the commit limit etc.
pagesMarkAllocated promptly unmaps page table pages in its error path.
Miscellaneous clarifications and extra checking.

Copied from Perforce
 Change: 184267
 ServerID: perforce.ravenbrook.com
 2014-01-31 15:21:21 +00:00
Richard Brooksby
7a73e98638 Refactored implementation of preferenced allocation policy from vm arena to general purpose arena. 
Eliminating SegPrefExpress in most places, especially where there wasn’t really any preference.
Eliminating special case knowledge about garbage collection from the arena.

Copied from Perforce
 Change: 184279
 ServerID: perforce.ravenbrook.com
 2014-01-30 18:08:10 +00:00
Richard Brooksby
e27cf4b361 Merging from branch //info.ravenbrook.com/project/mps/branch/2014-01-29/mps-chain-zones/... in order to eliminate generational considerations from the vm arena's placement policy. 
Copied from Perforce
 Change: 184233
 ServerID: perforce.ravenbrook.com
 2014-01-30 15:29:46 +00:00
Richard Brooksby
f1abe0e30f Abolishing the redundant generation to zone map in the vm arena, and replacing it with chainalloc, which allocates segments within a generation. 
Generations from different chains will no longer share the same zone sets, and will not be collected together.  To get this behaviour, use the same chain, as documented.

Copied from Perforce
 Change: 184213
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 2014-01-29 12:54:05 +00:00
Richard Brooksby
44de7246e5 Creating and tearing down the arena freecbs that will hold free address ranges. 
Copied from Perforce
 Change: 184049
 ServerID: perforce.ravenbrook.com
 2014-01-18 16:25:08 +00:00
Gareth Rees
ea9df0b2b7 Merge custom cet mainline into the master sources. this includes fixes for job003519 (clock values in text telemetry logs on windows have top 32 bits zero), job003536 (cet office can't replicate 100k snowmen in reasonable time), job003651 (stack overflows are not reliably handled). 
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 Change: 183926
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 2014-01-10 14:16:08 +00:00
Richard Brooksby
46bc17e2a9 Catch-up merge from custom/cet/main to master, to pick up arena extension callbacks. 
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 Change: 182701
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 2013-06-12 15:33:49 +01:00
Gareth Rees
60a4cb56a1 Improve design docs following review from rb. 
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 Change: 182606
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 2013-06-07 14:50:22 +01:00