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Author SHA1 Message Date
Gareth Rees
76bad5eee3 Protgranularity is the same on all unixes, so only need one implementation. 
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 2014-07-01 11:21:39 +01:00
Gareth Rees
96a62c5d4f Catch-up merge from branch/2014-05-28/align to branch/2014-06-14/vm. 
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 Change: 186664
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 2014-06-17 15:52:16 +01:00
Gareth Rees
07912c0833 Fix problems noted by dl in review <https://info.ravenbrook.com/mail/2014/06/17/13-35-38/0/>. 
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 Change: 186662
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 2014-06-17 15:15:32 +01:00
Gareth Rees
b1b8c84c0a Store the vm descriptor in the vmarena and vmchunk structures. 
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 Change: 186624
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 2014-06-14 15:12:26 +01:00
Gareth Rees
88c85abc0e Vmpagesize now takes no arguments -- this avoids suggesting (incorrectly) that it might return a different value for each vm. 
New function ProtGranularity returns the protection granularity of the operating system. (On all currently supported operating systems this is the same as the granularity of memory mapping returned by VMPageSuze, but it's important to separate these concepts.) MPMCheck asserts that the granularity of memory mapping is a multiple of the granularity of protection.
Client arena supports MPS_KEY_ARENA_GRAIN_SIZE.
Some of the test cases set the arena grain size.

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 Change: 186588
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 2014-06-13 17:19:23 +01:00
Gareth Rees
2f4d1c8cd4 Catch-up merge from master sources to branch/2014-03-25/ansi. 
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 Change: 185907
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 2014-04-30 16:51:30 +01:00
Gareth Rees
bc72bc7f79 Avoid strict aliasing warnings from gcc 4.8. 
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 Change: 185484
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 2014-04-12 21:44:18 +01:00
Gareth Rees
3a36920e40 Fix the build for gcc on os x: gcc warns about the missing return in protcatchthread, but we don't want to add one because that would be unreachable code. so use __attribute__((__noreturn__)) instead. 
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 Change: 185461
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 2014-04-11 12:42:26 +01:00
Gareth Rees
84cd92ab89 Improve clarity of product configuration so that names more explicitly indicate what they do: 
* CONFIG_POLL_NONE (because the user-visible consequence is that polling is no longer supported; was CONFIG_PROTECTION_NONE).
* DISABLE_LOCKS (was THREAD_SINGLE).
* DISABLE_SHIELD (was THREAD_SINGLE && PROTECTION_NONE)
* DISABLE_REMEMBERED_SET (was PROTECTION_NONE)
When the shield is disabled, ArenaLeave asserts that there are no busy traces, and ArenaPoll is a no-op.
By having functions implemented using the corresponding macro, we can avoid duplicated code, and avoid testing DISABLE_SHIELD in global.c.
Remove all remaining references to MPS_PROD_EPCORE.

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 Change: 185176
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 2014-04-02 15:48:57 +01:00
Gareth Rees
09dd8e7027 Avoid use of unreachable code in protcatchthread on os x. 
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 Change: 184478
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 2014-02-24 18:07:14 +00:00
Richard Brooksby
35dd801372 Fixing up build for test platform xci3gc, broken by os x threads development. 
Enabling amcssth and awlutth tests for all platforms, since I believe these were fixed by OS X threads development.

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 Change: 183118
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 2013-07-17 16:49:31 +01:00
Richard Brooksby
b873e52ac0 Added note about why we don't check that we're the only exception port before sending a reply. 
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 Change: 183006
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 2013-07-11 16:22:52 +01:00
Richard Brooksby
1772a17e72 Documentation and commentary clarifications in response to code review <https://info.ravenbrook.com/mail/2013/07/11/13-17-56/0/>. 
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 Change: 182999
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 2013-07-11 15:44:19 +01:00
Gareth Rees
f19d112a1a Small fixes following review <https://info.ravenbrook.com/mail/2013/07/11/13-17-56/0/>. 
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 Change: 182993
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 2013-07-11 14:17:17 +01:00
Richard Brooksby
905c983569 Improving references to documentation and source code. 
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 Change: 182983
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 2013-07-10 14:12:46 +01:00
Richard Brooksby
01d17882e6 Reducing unnecessary copying of thread states by passing a pointer to the state in the mutator fault context. 
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 Change: 182980
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 2013-07-05 17:43:14 +01:00
Richard Brooksby
ec0739c878 Fixing a couple of comments that are out of date. 
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 Change: 182932
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 2013-07-05 01:53:51 +01:00
Richard Brooksby
a4b67cf92a Lots of tidying up, deleting unnecessary code, and adding documentation. 
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 Change: 182926
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 2013-07-05 00:36:13 +01:00
Richard Brooksby
30e439b2c5 Registering exception handler for each thread, rather than the whole task. 
This avoids the need to forward exception messages to the debugger, since we can reasonably insist that we're the first handler in the chain for each thread.

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 Change: 182925
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 2013-07-04 22:58:34 +01:00
Richard Brooksby
2241ede47d Minor tidying and improved documentation in the leader comment. 
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 Change: 182924
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 2013-07-04 22:11:55 +01:00
Richard Brooksby
cf0a17c78f Fixing alloc_table in awlutth.c so that it doesn't allocate a bogus extra word. not sure how it got like this. 
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 Change: 182896
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 2013-07-02 19:18:16 +01:00
Richard Brooksby
96448d34a9 Initial implementation of mac os x protection exception handling using mach. 
Some threading tests get quite a long way.

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 Change: 182872
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 2013-06-29 01:22:42 +01:00
Richard Brooksby
512dca47e2 Thread scanning for mac os x / mach, and the start of thread exception handling. 
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 Change: 182834
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 2013-06-22 09:02:35 +01:00
Richard Kistruck
5506e97d39 Mps: (xcpp) replacing protxc.c with protix.c 
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 Change: 161967
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 2007-03-21 14:03:40 +00:00
David Jones
31aa2963a1 Mps: oops. previous submit blatted over my dirty branch. must 
have forgotten to p4 edit it.

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 2005-03-04 15:53:00 +00:00
David Jones
46f968a022 Mps: implemented prot on os x. 
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 Change: 147629
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 2005-03-04 15:37:12 +00:00