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1087 commits

Author SHA1 Message Date
Gareth Rees
0b204bf4e7 Catch-up merge from master sources to mps/branch/2013-05-17/emergency. 
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 Change: 182518
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 2013-06-04 20:44:03 +01:00
Gareth Rees
3cd8c3964f Avoid "variable may be used uninitialized" warning from visual c. 
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 Change: 182517
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 2013-06-04 20:41:19 +01:00
Gareth Rees
3c5b19a611 Reorganize windows build so that facts are mentioned in only one place. 
Provide "testrun" target (and batch file) for running the test suite.

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 Change: 182516
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 2013-06-04 20:40:07 +01:00
Gareth Rees
7288e21131 Avoid "variable may be used uninitialized" warnings. 
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 Change: 182513
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 2013-06-04 18:46:07 +01:00
Gareth Rees
cb2aea227c Make fotest run on lii6gc. 
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 Change: 182512
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 2013-06-04 18:40:52 +01:00
Gareth Rees
d6912235bd Mvt now fails over from a cbs to a freelist. 
Update test cases and design accordingly.

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 Change: 182509
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 2013-06-04 18:16:32 +01:00
Gareth Rees
938f1945fa Encapsulate cbsfindlargest falling back to freelistfindlargest as suggested by rb in review. 
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 Change: 182502
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 2013-06-04 17:10:38 +01:00
Gareth Rees
2bda69bc6b New test case "fotest" for fail-over of cbs to freelist in mvff. (plus stub for mvt.) need some testing hooks in mvff and mvt for getting the cbs. 
This reveals a couple of bugs in MVFF: (i) if CBSDelete fails, this might be because the block is actually on the Freelist instead; (ii) we can't SegFree before calling FreelistDelete because the Freelist needs access to the memory in order to read its pointers.

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 2013-06-04 16:51:24 +01:00
Gareth Rees
9c3831f28e Missing extern. 
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 Change: 182496
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 2013-06-04 15:40:45 +01:00
Gareth Rees
fc5666204f Call abort() instead of exit() for convenience when debugging. 
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 Change: 182495
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 2013-06-04 15:37:12 +01:00
Gareth Rees
6f356edfb1 In mvff, fall back from cbs to freelist if cbs fails. 
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 Change: 182434
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 2013-06-03 16:21:52 +01:00
Gareth Rees
8d8d553cbf Add fbmtest to test suite. 
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 Change: 182433
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 2013-06-03 16:21:32 +01:00
Gareth Rees
f0def15a48 Freelistfindlargest() takes a size argument so that the interface matches cbsfindlargest(). 
New function FreelistFlushToCBS() tries to move all blocks out of a free list and into a CBS.

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 Change: 182432
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 2013-06-03 16:17:28 +01:00
Gareth Rees
ca36e1a147 Cbsdelete() now returns the isolated contiguous range that was found, even if the requested deletion operation cannot be performed. (this is so that the caller can try deleting the whole block instead and manage the fragments using a fallback strategy.) 
CBSFindLargest() takes a size argument, so that the caller doesn't have to re-insert the found block if it wasn't large enough.

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 Change: 182431
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 2013-06-03 16:16:04 +01:00
Gareth Rees
be868669e3 Use rnd() from testlib instead for rand() from libc, so that test case is repeatable. 
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 Change: 182430
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 2013-06-03 16:05:19 +01:00
Gareth Rees
9c9e1668a1 Make sure fbmtest compiles and runs on lii6gc. 
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 Change: 182425
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 2013-06-03 13:08:55 +01:00
Gareth Rees
c9780a3401 Add freelist module to core mps. 
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 Change: 182422
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 2013-06-03 12:58:12 +01:00
Richard Brooksby
ead194349a Miscellaneous design document improvements. 
Documenting why WriteF on points comes out with the wrong endianness on Intel platforms.

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 Change: 182421
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 2013-06-03 12:57:55 +01:00
Gareth Rees
f154b62bf4 Catch-up merge from master sources to mps/branch/2013-05-17/emergency 
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 Change: 182417
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 2013-06-03 12:25:18 +01:00
Gareth Rees
5a508d2178 Run apss test in a client arena as well as vm arenas. 
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 Change: 182416
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 2013-06-03 12:19:55 +01:00
Gareth Rees
e07ee8b8e3 Make expt825 and awlutth test cases build on os x. 
Add exposet0, expt825 and zmess test cases to test suite on OS X.

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 Change: 182415
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 2013-06-03 12:18:05 +01:00
Gareth Rees
b764d4b19d Improve organization of comm.gmk: 
* Mention each target once (this makes it more reliable to modify the set of targets).
* Include exposet0, expt825 and xmess in the automatically run test cases.
* For other test cases, explain why not included in automated test suite.
* Organize targets alphabetically (this is makes it easier to check the lists against each other).

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 Change: 182413
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 2013-06-03 11:35:01 +01:00
Gareth Rees
d959e65927 Missing prototypes for freelistfindfirst and freelistfindlast. 
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 Change: 182411
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 2013-06-03 11:08:58 +01:00
Gareth Rees
0260380dd3 Rename cbstest.c to fbmtest.c (free block management test) and generalize it so that it tests both the cbs and freelist modules. 
Split FreelistFind into FreelistFindFirst and FreelistFindLast so that the interface exactly matches the CBS interface.
Fix errors in freelist.c: missing computation of size in FreelistBlockSetLimit; update linked list correct in coalesceRight case in FreelistInsert.
Avoid compiler warnings in freelist.c.
In cbs.c: use $U for Booleans ($B is for bit tables).

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 Change: 182397
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 2013-06-02 21:34:23 +01:00
Gareth Rees
db9328da7a Use range objects in the cbs interface instead of base, limit pairs. the idea is that freelist and cbs should offer similar interfaces so that the testing code can be shared. 
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 Change: 182364
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 2013-05-31 16:29:26 +01:00
Gareth Rees
83aff660e2 Use a tag in the bottom bit to distinguish grains and blocks in the free list. this results in much simplification of the code. 
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 Change: 182362
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 2013-05-31 13:41:36 +01:00
Gareth Rees
915a41123c Fix iteration in freelistfindlargest. 
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 Change: 182359
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 2013-05-31 10:44:02 +01:00
Gareth Rees
e26cba758a Mustn't use aver in describe functions. 
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 Change: 182358
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 2013-05-31 10:43:38 +01:00
Gareth Rees
04f2738a18 Improve documentation. fix off-by-one errors in the setprevnext functions. 
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 Change: 182350
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 2013-05-31 00:41:28 +01:00
Gareth Rees
032657464b New "freelist" module implementes a simple address-ordered linked list allocator (based on the "emergency list" allocator that was formerly part of the cbs module). 
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 Change: 182348
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 2013-05-31 00:12:49 +01:00
Gareth Rees
934ae05ca3 Rename the enumeration cbsfinddelete to finddelete in anticipation of it being shared between cbs and new freelist module. 
Since ABQDisposition enumeration only has two values, it's better to use Bool.

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 Change: 182347
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 2013-05-31 00:09:33 +01:00
Gareth Rees
caf1945985 Clarify the logic in cbsinsertintotree to match cbsdeletefromtree. 
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 Change: 182344
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 2013-05-30 20:09:01 +01:00
Gareth Rees
71ab5adf66 Separate block allocation from block insertion, so that cbsdeletefromtree no longer leaves the tree in an inconsistent state if allocation fails. 
Simplify the case logic in cbsDeleteFromTree to try to make it clearer.
Explain why cbsDeleteFromTree can't fail when it's called from cbsFindDeleteRange.

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 Change: 182342
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 2013-05-30 19:22:56 +01:00
Gareth Rees
aa16236b2a Ansi i/o module checks its arguments using aver. 
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 Change: 182327
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 2013-05-30 16:21:42 +01:00
Gareth Rees
dad0cabdf7 Guard the calls to mps_io_flush so that it can only be called after mps_io_create. 
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 Change: 182322
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 2013-05-30 15:24:41 +01:00
Gareth Rees
87019f4ee2 Fix review comments from <https://info.ravenbrook.com/mail/2013/05/28/22-21-11/0/>: 
* Rename RangeOverlap to RangesOverlap.
* MVFF shouldn't assume that CBSInsert and CBSDelete can't fail.
* Remove unused function mps_mvff_stat.
* Don't call range methods in RangeCheck.
* RangeInit can't fail, so return void.

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 Change: 182297
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 2013-05-29 12:19:19 +01:00
Gareth Rees
30d713920b Add mvt to ap stress test. 
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 Change: 182269
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 2013-05-27 21:48:06 +01:00
Gareth Rees
3aa19f30a4 Assert instead of crashing in mps_arena_destroy when the client has failed to destroy some data structures. 
Also, don't forget to finish the chainRing.

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 Change: 182258
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 2013-05-27 12:58:05 +01:00
Gareth Rees
4bd6bde604 Mfs now rounds unitsize up to unit_min instead of asserting. 
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 Change: 182257
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 2013-05-27 10:19:35 +01:00
Gareth Rees
b6c356d1d8 Snc requires a format, so it needs a varargs decoder. 
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 Change: 182256
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 2013-05-27 10:14:38 +01:00
Richard Brooksby
5c6785b815 Catch-up merge from custom/cet/main to master. 
Includes installable assertion handler, events in circular memory buffers, LARGEADDRESSAWARE, etc.

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 Change: 182176
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 2013-05-24 19:42:46 +01:00
Gareth Rees
ba1a45d970 Catch-up merge from master sources to mps/branch/2013-05-17/emergency. 
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 Change: 182170
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 2013-05-24 18:44:18 +01:00
Gareth Rees
da75b40c73 Always run all the testcases, noting failures instead of stopping. 
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 Change: 182153
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 2013-05-24 11:25:15 +01:00
Gareth Rees
4c5bca4bd0 Fix review comments from rb in <https://info.ravenbrook.com/mail/2013/05/23/18-17-17/0/> 
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 Change: 182149
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 2013-05-24 00:48:19 +01:00
Gareth Rees
09b845a726 Catch-up merge from the master sources to branch/2013-05-17/emergency. 
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 Change: 182135
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 2013-05-23 20:58:21 +01:00
Gareth Rees
8396204108 Ensure that the random seed is not lost in case of failure. 
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 Change: 182131
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 2013-05-23 20:10:36 +01:00
Gareth Rees
0206d9feb2 Amcssth need to be added "all" as well as testcases. 
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 Change: 182129
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 2013-05-23 20:06:45 +01:00
Gareth Rees
3c48eff730 On platform lii6gc, the mps needs a bunch of symbols which are not defined if the -ansi option is given to gcc. these can be enabled by defining features like _gnu_source, but all headers share a common set of features (via <feature.h>) and so all sources in the same compilation unit must turn on the same set of features. make sure this happens by turning on the features in config.h (not mpstd.h). 
Remove <string.h> from mpsi.h (not needed).

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 Change: 182124
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 2013-05-23 19:35:47 +01:00
Richard Brooksby
5d5e2cac05 Deleting some obsolete comment text about callbacks. 
Renaming cbsBlockShrink to cbsBlockShrunk and cbsBlockGrow to cbsBlockGrew, since they don't *do* those things, just record that they were done.
Tidying up Find functions, where deletion of emergency code had left some strange double nestings.

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 Change: 182120
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 2013-05-23 19:05:25 +01:00
Richard Brooksby
af707b5d97 Clarifying comment about extra queue element 
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 Change: 182119
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 2013-05-23 19:04:42 +01:00