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Author SHA1 Message Date
Gareth Rees
9de5c1dfbe Avoid using deprecated function mps_fix and deprecated macro mps_fix in the test cases; use mps_fix12 instead. 
Copied from Perforce
 Change: 193726
 2018-06-13 13:59:14 +01:00
Gareth Rees
148f538510 Merge design.mps.class-interface into design.mps.pool (as suggested by pekka p. pirinen on 1999-07-20). 
Bring pool class method descriptions up to date.
Document bufferClass, bufferFill, bufferEmpty, totalSize, freeSize methods.
Document generic instance methods at design.mps.protocol.method.

Copied from Perforce
 Change: 192642
 ServerID: perforce.ravenbrook.com
 2016-10-19 15:34:35 +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
63a44e3a91 Fix problems noted in review. 
Copied from Perforce
 Change: 192357
 ServerID: perforce.ravenbrook.com
 2016-09-13 17:19:07 +01:00
Gareth Rees
d8c32f0d3f New functions mps_arena_busy and mps_arena_postmortem, plus test coverage. 
Copied from Perforce
 Change: 192247
 ServerID: perforce.ravenbrook.com
 2016-09-08 13:55:43 +01:00
Gareth Rees
49198a35ee Add _critical to assertions on the critical path for manual-allocation-bound programs using mvff. this brings the hot/rash ratio for "djbench mvff" down from over 150% to about 130%. 
Copied from Perforce
 Change: 192148
 ServerID: perforce.ravenbrook.com
 2016-09-04 19:20:05 +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
Gareth Rees
c97f77e5ab Catch-up merge from master sources to branch/2014-10-11/snc. 
Copied from Perforce
 Change: 191065
 ServerID: perforce.ravenbrook.com
 2016-04-13 13:07:19 +01:00
Gareth Rees
22f58e9e08 A lightweight pop is not safe for automatically managed pools, so check attrgc first. 
Copied from Perforce
 Change: 191055
 ServerID: perforce.ravenbrook.com
 2016-04-13 11:55:35 +01:00
Richard Brooksby
44f80af1ec Merging branch mps/branch/2016-03-13/without-reservation into master sources. 
Copied from Perforce
 Change: 190106
 ServerID: perforce.ravenbrook.com
 2016-03-15 13:19:27 +00:00
Richard Brooksby
cea2c8c73f Updates from review by dl <https://info.ravenbrook.com/mail/2016/03/15/12-36-53/0/>. 
Copied from Perforce
 Change: 190105
 ServerID: perforce.ravenbrook.com
 2016-03-15 13:02:40 +00:00
Richard Brooksby
55baffae57 Removing obsolete comment about the reservoir. 
Copied from Perforce
 Change: 190043
 ServerID: perforce.ravenbrook.com
 2016-03-15 05:04:38 +00:00
Richard Brooksby
1025b28674 Eliminating withreservoirpermit and all its variants. 
Copied from Perforce
 Change: 190005
 ServerID: perforce.ravenbrook.com
 2016-03-13 21:04:01 +00:00
Richard Brooksby
cc6262ae66 Basic removal of the reservoir pool from code and design. 
Copied from Perforce
 Change: 190000
 ServerID: perforce.ravenbrook.com
 2016-03-13 20:32:24 +00:00
Gareth Rees
c05c8a5609 Documentation and interface for pause time control (no implementation yet). 
Copied from Perforce
 Change: 189915
 ServerID: perforce.ravenbrook.com
 2016-03-12 20:25:33 +00:00
Richard Brooksby
ce2c19a174 Expanding tabs. 
Copied from Perforce
 Change: 189516
 ServerID: perforce.ravenbrook.com
 2016-03-02 08:58:45 +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
13f0a20527 Removing assumption that area scanners take pointers to words. the client is at liberty to encode references in other ways. 
Copied from Perforce
 Change: 189484
 ServerID: perforce.ravenbrook.com
 2016-03-01 13:57:13 +00:00
Richard Brooksby
2193bd14bf Deprecating table roots. 
Copied from Perforce
 Change: 189483
 ServerID: perforce.ravenbrook.com
 2016-03-01 13:36:30 +00:00
Richard Brooksby
8cf9a64bd1 Implementing mps_root_create_area_tagged as documented. 
Copied from Perforce
 Change: 189324
 ServerID: perforce.ravenbrook.com
 2016-02-19 00:23:54 +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
a63e366c59 Removing check that pattern fits within mask, as this restricts the generality of scan_area. 
Copied from Perforce
 Change: 189312
 ServerID: perforce.ravenbrook.com
 2016-02-18 20:49:21 +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
3eeb5ff357 Documenting mps_root_create_area and mps_root_create_area_tagged. 
Copied from Perforce
 Change: 189243
 ServerID: perforce.ravenbrook.com
 2016-02-16 16:03:28 +00:00
Richard Brooksby
7464a68949 Documenting thread root registration functions. 
Copied from Perforce
 Change: 189207
 ServerID: perforce.ravenbrook.com
 2016-02-16 00:34:10 +00:00
Richard Brooksby
5a030d9a10 Making mps_root_create_thread a convenience function for the common case. 
Copied from Perforce
 Change: 189205
 ServerID: perforce.ravenbrook.com
 2016-02-15 23:30:12 +00:00
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. 
Copied from Perforce
 Change: 189198
 ServerID: perforce.ravenbrook.com
 2016-02-15 19:12:59 +00:00
Richard Brooksby
b384334a32 Reimplementing mps_root_create_reg in terms of rootcreatethreadtagged and abolishing rootreg. yay! 
Copied from Perforce
 Change: 189197
 ServerID: perforce.ravenbrook.com
 2016-02-15 18:19:30 +00:00
Richard Brooksby
ab41d5c4f7 Renaming rootreg_masked to rootthread_tagged with corresponding changes to other identifiers. 
Copied from Perforce
 Change: 189196
 ServerID: perforce.ravenbrook.com
 2016-02-15 17:57:06 +00:00
Richard Brooksby
fe206feb2d Lifting stack and register area scanner into mps interface to allow generalisation of stack format. 
Copied from Perforce
 Change: 189195
 ServerID: perforce.ravenbrook.com
 2016-02-15 17:46:45 +00:00
Richard Brooksby
7238921356 Generalising roottable to rootarea and using it to implement mps_root_create_table_* and mps_root_create_area. 
Copied from Perforce
 Change: 189193
 ServerID: perforce.ravenbrook.com
 2016-02-15 17:30:45 +00:00
Richard Brooksby
fb6c150ba2 Generalising roottable_masked to rootarea_tagged and lifting scanner assumption. 
Copied from Perforce
 Change: 189192
 ServerID: perforce.ravenbrook.com
 2016-02-15 16:56:42 +00:00
Richard Brooksby
ae80015f4b Lifting assumptions about area scanners closer to interface. 
Copied from Perforce
 Change: 189191
 ServerID: perforce.ravenbrook.com
 2016-02-15 16:46:09 +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
b2bc211404 Adding mps_root_create_table_tagged as an interface to more generally tagged roots. 
Deprecating the less general mps_root_create_table_masked.

Copied from Perforce
 Change: 189131
 ServerID: perforce.ravenbrook.com
 2016-02-11 20:28:39 +00:00
Gareth Rees
0eaa42ef7a Demote fixme to todo with reference to job003947. 
Copied from Perforce
 Change: 188336
 ServerID: perforce.ravenbrook.com
 2015-09-16 20:01:22 +01:00
Gareth Rees
08873c6c3a Rename mps_root_create_reg_masked to mps_root_create_stack, and deprecate mps_root_create_reg, as suggested in review by nb <https://info.ravenbrook.com/mail/2015/09/09/16-18-10/0/>. 
Copied from Perforce
 Change: 188312
 ServerID: perforce.ravenbrook.com
 2015-09-14 20:16:14 +01:00
Gareth Rees
5af0bf9f01 Correct type for rootcreateregmasked. 
Copied from Perforce
 Change: 188233
 ServerID: perforce.ravenbrook.com
 2015-09-04 12:28:49 +01:00
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
b7cf9d1ba9 Fix broken link to design/thread-safety 
Copied from Perforce
 Change: 188158
 ServerID: perforce.ravenbrook.com
 2015-08-21 11:20:20 +01:00
Gareth Rees
b964293c36 The stack pointer passed to mps_root_create_reg must be word-aligned. 
Copied from Perforce
 Change: 187946
 ServerID: perforce.ravenbrook.com
 2015-06-15 22:11:48 +01:00
Gareth Rees
497aaf7141 The "remember" parameters to arenaexposeremember is a boolean, not an integer. 
Copied from Perforce
 Change: 187467
 ServerID: perforce.ravenbrook.com
 2014-11-06 12:03:18 +00:00
Gareth Rees
2d27354d20 Use pointeradd to express the condition in mps_commit -- it expands to the same code, and better conveys the intention. 
Copied from Perforce
 Change: 187242
 ServerID: perforce.ravenbrook.com
 2014-10-13 17:36:44 +01:00
Gareth Rees
e3f6b44cc2 Don't use avert unless the arena lock is held (it's not thread-safe in all varieties). add design explaining this. 
Copied from Perforce
 Change: 187238
 ServerID: perforce.ravenbrook.com
 2014-10-13 14:36:15 +01:00
Gareth Rees
da626d1bc6 Because of the requirement to make popped objects dead in a timely fashion, we can only implement lightweight pops to an address in the buffer. in particular we can't support pending pops, which means that there's no need for the fields in the allocation point that support pending pops. 
Copied from Perforce
 Change: 187232
 ServerID: perforce.ravenbrook.com
 2014-10-13 12:46:28 +01:00
Gareth Rees
b06795251e Fix scanning/walking for snc: 
Record which segments are free and don't walk them (objects in these segments are dead).
If a buffered segment has a pending pop, don't scan or walk objects beyond the address that's going to be popped to (these objects are also dead).
Don't try to do a lightweight pop to an address that's not in the segment attached to the buffer -- the segment being popped to (and any other segments on the stack in between) are now dead, and the only way to mark them as being dead is to do a heavyweight pop.

Copied from Perforce
 Change: 187224
 ServerID: perforce.ravenbrook.com
 2014-10-12 15:20:57 +01:00
Gareth Rees
49341c0ad5 Don't set a frame pointer at the limit of a segment, as this is ambiguous: is it at the limit of the segment, or at the base of the segment that's adjacent in memory? 
Copied from Perforce
 Change: 187220
 ServerID: perforce.ravenbrook.com
 2014-10-12 11:58:13 +01:00
Gareth Rees
2d0f425428 Ensure that code of the form if (condition) statement; is split over two lines, so that it is possible to set a breakpoint on the statement in a debugger. 
This change was agreed in 1997 (see <https://info.ravenbrook.com/project/mps/mail/1997/08/19/13-44/0.txt>), so it's about time it was implemented.

Copied from Perforce
 Change: 187071
 ServerID: perforce.ravenbrook.com
 2014-09-27 22:57:02 +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
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
 ServerID: perforce.ravenbrook.com
 2014-05-15 17:01:59 +01:00