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Author SHA1 Message Date
Gareth Rees
7b16ae5a45 Use macro nonnegative so that we can keep asserting that values are >= 0 without provoking "unsigned comparison >= 0 is always true" warnings from gcc.
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 Change: 183505
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2013-10-01 14:27:52 +01:00
Gareth Rees
4950182f38 Avoid warnings when compiling with -wwrite-strings:
* Use const char * in places where we want to assign string constants.
Avoid warnings when compiling with -Wextra:
* Avoid if statement with empty body in amcsshe.c
* Avoid comparison of unsigned >= 0.

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 Change: 183498
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2013-10-01 10:52:45 +01:00
Richard Brooksby
fd38e98e00 Adding references to critical path design.
Fixing cast from external scan state structure to a PARENT, now that we're not punning the pointer any more.

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 Change: 179347
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2012-09-07 20:49:05 +01:00
Richard Kistruck
1730650997 mps br/vmem: simple-chunk-return (fix broken compile):
Ooops, remove ALL references to pageTableBase and pageTableLimit fields.

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 Change: 170085
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2010-03-22 14:49:11 +00:00
Richard Kistruck
6879abe05d mps br/vmem: simple-chunk-return:
tract.c -- fix more ChunkCache defects:
  - drop never-read chunkCache->pageTableBase and pageTableLimit fields: they were used for ChunkOfSeg(), back when each SegStruct was actually a PageStruct is some chunk's PageStructTable; see VMArenaChunkOfSeg() in //info.ravenbrook.com/project/mps/branch/2001-08-13/trunk/src/arenavm.chttps://github.com/Ravenbrook/mps/issues/46
  - there's no need for arena to initialise the chunk cache; this allows en/decache functions to be local to tract.c (ie. declared static)

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 Change: 170083
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2010-03-22 13:39:36 +00:00
Richard Kistruck
67ddf0c121 mps br/vmem: simple-chunk-return:
arenavm.c --  on VMFree(), destroy any empty chunks (except the primary).  (VMFree is not the ideal place to do it, but works for proof of concept).
 tract.c -- fix ChunkCache defects:
  - previously, if cache is empty (chunkCache->chunk == NULL) then other fields are *undefined*; but code looks at them anyway (!) without first checking chunkCache->chunk;
  - change it (.chunk.empty.fields) so that, if cache is empty, other fields have defined values: cache-using code may look at them, and they are chosen so that no cache hit will occur.
  --> this fixes crashing defect shown by changelist 170072
  - AVERT(ChunkCache) in the many places it should be checked;
  - use AVERT_CRITICAL in ChunkEncache, because it is called by ChunkOfAddr;

 Also:
 plan.txt -- notes on use of primary chunk.
 config.h -- DIAG also in ci, please [Do not integ to master]
 diag.c -- skip ChainCondemnAuto diag thanks
 zcoll.c -- move printf announcing Destroying arena etc to just before, not just after, we do it.

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 Change: 170082
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2010-03-22 13:24:49 +00:00
Richard Kistruck
6ccac1bd84 Mps br/vmem: prepare for simple-chunk-return:
arenavm.c: VMFree is okay for testing chunk-ret; though just sparePagesPurge() for now;
  diag.c: show what we want for using zcoll to show chunk-ret:
    VM_ix_Create/Destroy
    TraceStart, excpet only briefly for dyn-crit (why=2) and not at all for minor
  locus.c: no newline on "condemn gens" diag please
  tract.c: ChunkDecache is BROKEN; just add AVER to catch this for now
  vmix.c: VM_ix_Create_ok/VM_ix_Destroy (vmw3.c needs similar)
  zcoll.c:
    release after mps_arena_collect!!!
    make, collect, make, collect, to show chunk-ret
    10MB arena means many chunks
None of this is releaseable quality of course.

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 Change: 170071
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2010-03-20 13:51:23 +00:00
Richard Kistruck
f41dc7fc22 Mps br/timing (fix warnings "... may be used uninitialized"):
trace.c, tract.c: initialise variable to NULL

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 Change: 167191
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2009-01-21 14:17:56 +00:00
Richard Kistruck
168a71cb92 Mps source typo in tract.c #define tractarena(seg) should be
#define TractArena(tract).  The broken definition worked because 
it was always invoked with "TractPool(tract)".  (Source-only change)

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 Change: 160013
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2006-08-10 14:21:20 +01:00
Richard Brooksby
c11fa19243 Merging branch mps/2002-05-22/open-source-prep.
Making some new files consistent with changes from that branch.
Deleting some new Global Graphics confidential files.

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 Change: 30256
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2002-06-18 16:19:34 +01:00
Nick Barnes
0c8fe12191 Integrate changes from global graphics.
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 Change: 30250
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2002-06-18 14:14:55 +01:00
Richard Brooksby
f22e14e334 Eliminating "impl" type tags and replacing them with uri-style file references.
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 Change: 29900
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2002-06-07 17:34:59 +01:00
Richard Brooksby
0a95c05521 Updating cross references to design documents to html style, to go with master/design document tree.
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 Change: 29897
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2002-06-07 16:47:14 +01:00
Richard Brooksby
5afb4899ef Adding forward reference to licenses from copyright notices.
Adding licenses to a couple of files I missed.

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 Change: 29837
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2002-06-06 11:56:19 +01:00
Richard Brooksby
819ed0ed76 Adding licenses to source code files.
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 Change: 29836
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2002-06-06 11:44:23 +01:00
Nick Barnes
ab0821c590 Remove trailing whitespace.
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 Change: 25309
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2001-12-17 15:18:17 +00:00
Richard Brooksby
c2b33bb9b5 Removing hopenames from the master sources.
This change will be integrated but ignored (-ay) to the gg-epcore/union sources, so that they retain HopeNames.

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 Change: 24911
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2001-12-07 13:19:25 +00:00
Richard Brooksby
d0ccf8fa9a Adding hopenames back into the master sources, so that they can be included in the union sources along with the id keywords.
This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl.

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 Change: 24877
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2001-12-06 18:14:02 +00:00
Richard Brooksby
c84f2a8553 Updating copyright messages to say copyright 2001 ravenbrook throughout.
Adding some missing copyright messages.

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 Change: 24818
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2001-12-05 16:18:43 +00:00
Richard Brooksby
e0a5828027 Changing hopename keywords to id keywords throughout, to work with perforce.
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 Change: 24817
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2001-12-05 16:05:52 +00:00
Richard Brooksby
68e0b8253f Merging changes from union to masters. this incorporates pekka's updates: tuning and a type in amcsshe.c and some adding some missing checks in arenavm.c. it also brings our cope of their hopenames up to date.
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 Change: 24815
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2001-12-05 15:48:24 +00:00
Nick Barnes
88e5e63275 Branch imports for masters.
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 Change: 23678
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2001-10-31 14:40:56 +00:00
Renamed from mps/src/tract.c (Browse further)