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98 commits

Author SHA1 Message Date
Richard Brooksby
c1918bc79b 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
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 2016-02-15 19:12:59 +00:00
Richard Brooksby
b384334a32 Reimplementing mps_root_create_reg in terms of rootcreatethreadtagged and abolishing rootreg. yay! 
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 Change: 189197
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 2016-02-15 18:19:30 +00:00
Richard Brooksby
ab41d5c4f7 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
7238921356 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
fb6c150ba2 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
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
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 2015-09-04 12:22:03 +01:00
Gareth Rees
84347b9bbe Merge branch/2014-09-29/reserved into the master sources. 
Copied from Perforce
 Change: 188090
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 2015-08-07 16:33:43 +01:00
Gareth Rees
7870122c9d Rename locusprefhigh to locusprefhigh and so on, to follow <http://www.ravenbrook.com/project/mps/master/design/guide.impl.c.naming#capital-constant> 
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 Change: 187283
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 2014-10-19 09:19:43 +01:00
Gareth Rees
5f35b7f792 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
23dda3d644 New constant rankmin gives the minimum rank. use this (rather than 0 or rankambig) to better express the intention. 
Copied from Perforce
 Change: 187156
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 2014-10-07 22:31:12 +01:00
Gareth Rees
943471d015 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
9436487a05 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
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 2014-09-29 22:50:46 +01:00
Gareth Rees
39e8b866cf 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
456d747b61 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
266a75b639 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
c71e35f3c1 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
dbc6f9cd32 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
4113048403 Catch-up merge from master sources @186460 to branch/2014-04-08/align. 
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 Change: 186461
 ServerID: perforce.ravenbrook.com
 2014-06-09 19:26:31 +01:00
Gareth Rees
d6b83892af 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
7489f4d284 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
331d260bfd Catch-up merge from master sources @186436 to branch/2014-04-08/align. 
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 Change: 186439
 ServerID: perforce.ravenbrook.com
 2014-06-08 16:30:53 +01:00
Gareth Rees
4ce7746f6b 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
e35f3b1b6c Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/05/23/12-44-54/0/>. 
Copied from Perforce
 Change: 186300
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 2014-05-25 20:49:22 +01:00
Gareth Rees
5f848d0404 Split land iteration into two functions, one which deletes ranges, the other which does not. 
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 Change: 186298
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 2014-05-25 19:26:48 +01:00
Gareth Rees
9c3eb68f97 Landiterate now returns a bool indicating whether all visitor calls returned true. 
Copied from Perforce
 Change: 186165
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 2014-05-18 22:46:16 +01:00
Gareth Rees
16ccef5e2d 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
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 2014-05-15 17:01:59 +01:00
Gareth Rees
c44f2d6a20 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
 ServerID: perforce.ravenbrook.com
 2014-05-11 18:20:38 +01:00
Gareth Rees
a94cc2ed78 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
0abdd8ae47 Catch-up merge from master/...@185556 to branch/2014-03-30/addrset. 
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 Change: 185563
 ServerID: perforce.ravenbrook.com
 2014-04-15 13:14:50 +01:00
Gareth Rees
391e7e6c83 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
0c2cd2ab6d 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
f6901a9e23 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
a3055d56c0 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
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 2014-04-03 12:52:23 +01:00
Gareth Rees
6ef8e57b1f Turn freelist into a land class. 
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 Change: 185155
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 2014-04-02 14:01:18 +01:00
Gareth Rees
042f9c5f14 First pass at implementation of lands (collections of address ranges). 100% boilerplate! 
Copied from Perforce
 Change: 185131
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 2014-04-01 19:51:55 +01:00
Richard Brooksby
6e46485dce Catch-up merge from master, mainly to pick up gcbench fixes. 
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 Change: 184504
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 2014-02-25 01:29:12 +00:00
Richard Brooksby
ba1a4f78cb Declaring result codes using a relational macro, so that tests can print more meaningful output, and to eliminate redundant code. 
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 Change: 184382
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 2014-02-19 11:55:43 +00:00
Richard Brooksby
4dff43a172 Catch-up merge from master, mainly to pick up spare-ring merge. 
Copied from Perforce
 Change: 184365
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 2014-02-18 13:47:49 +00:00
Richard Brooksby
199a1261ed Catch-up merge from master, mainly to pick up chain-zones merge. 
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 Change: 184343
 ServerID: perforce.ravenbrook.com
 2014-02-14 15:23:36 +00:00
Richard Brooksby
2b5e126c48 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
142063f059 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
35ccb414a2 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
d206bd35b9 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.

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 Change: 184267
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 2014-01-31 15:21:21 +00:00
Richard Brooksby
070f7784dd 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
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 2014-01-30 18:08:10 +00:00
Richard Brooksby
d0a93e6caf 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
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 2014-01-30 15:29:46 +00:00
Richard Brooksby
d8e81ae3c3 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.

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 Change: 184213
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 2014-01-29 12:54:05 +00:00
Richard Brooksby
7b54fc9926 Creating and tearing down the arena freecbs that will hold free address ranges. 
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 Change: 184049
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 2014-01-18 16:25:08 +00:00
Gareth Rees
bcfad58d3c 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
f9724af3e0 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
4753e1ba3a 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