Ralf Jung
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46d5fd8487
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barriers are dead, long live protectors -- this enables overlapping two-phase borrows!
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2019-04-17 16:02:57 +02:00 |
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Ralf Jung
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14e701f7d8
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abstract mapping over all the stacks in some memory range
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2019-04-17 16:02:57 +02:00 |
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Ralf Jung
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7b7fef1b53
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let the permission of a new pointer depend on the type only
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2019-04-17 16:02:57 +02:00 |
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Ralf Jung
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924624f810
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some failures are impossible
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2019-04-17 16:02:57 +02:00 |
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Ralf Jung
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a6d377ca0b
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more comments
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2019-04-17 16:02:57 +02:00 |
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Ralf Jung
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966d638760
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make run-pass tests pass. tweak how we remove barriers.
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2019-04-17 16:02:57 +02:00 |
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Ralf Jung
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3f0a2a2941
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rewrite Stacked Borrows Core. this passes stacked-borrows.rs!
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2019-04-17 16:02:57 +02:00 |
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Oliver Scherer
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9a0eaf6ebd
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Update to rustc nightly
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2019-04-03 10:48:11 +02:00 |
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Alexander Regueiro
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12d3ecbaff
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Various cosmetic improvements.
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2019-02-26 18:37:46 +00:00 |
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Ralf Jung
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fd6bd5ba4b
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rename things away from 'Shr' that are used for much more than just shared references
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2019-02-12 10:58:18 +01:00 |
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Ralf Jung
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3c652032c0
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be more clear which stack we are talking about
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2019-02-12 10:51:03 +01:00 |
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Ralf Jung
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4f9c14c256
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deduplicate RangeMap elements in iter_mut
This cuts down execution time of the benchmark in the OP of https://github.com/solson/miri/issues/593 by another 25%, and it cuts max-RSS by 90% (!)
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2019-01-07 15:10:22 +01:00 |
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Ralf Jung
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7e9098ff69
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treat ref-to-raw cast like a reborrow: do a special kind of retag
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2018-12-12 11:11:20 +01:00 |
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Ralf Jung
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383d215386
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make some functions private to StackedBorrows
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2018-12-11 14:18:51 +01:00 |
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Ralf Jung
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9de605b32f
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avoid repeating signatures in EvalContext extension traits
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2018-12-11 14:16:58 +01:00 |
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Ralf Jung
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61f20761d3
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Merge branch 'master' into stacked-borrows-2-phase
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2018-12-03 11:11:32 +01:00 |
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Ralf Jung
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d11a6766ad
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use assert
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2018-12-03 10:26:39 +01:00 |
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Ralf Jung
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0e44876a2d
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fix mutability gap: do not allow shared mutation when creating frozen reference
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2018-12-03 09:15:18 +01:00 |
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Ralf Jung
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b2305da8d0
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assert some sense
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2018-12-02 13:30:09 +01:00 |
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Ralf Jung
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479eb3bd2b
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support for basic (non-overlapping) 2-phase borrows
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2018-12-02 13:30:09 +01:00 |
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Oliver S̶c̶h̶n̶e̶i̶d̶e̶r Scherer
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26fe778c55
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Typo
Co-Authored-By: RalfJung <post@ralfj.de>
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2018-11-28 09:58:23 +01:00 |
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Ralf Jung
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97e010f5b9
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barriers prevent deallocation
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2018-11-27 14:26:23 +01:00 |
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Ralf Jung
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194710e112
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no barriers for boxes
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2018-11-27 14:26:23 +01:00 |
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Ralf Jung
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dd94930ee3
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implement function barriers
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2018-11-27 14:26:23 +01:00 |
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Ralf Jung
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215ec38624
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track call IDs
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2018-11-27 14:25:20 +01:00 |
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Ralf Jung
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e9370d2b74
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adjust for memory_allocated hook, make RangeMap preallocated with a fixed size
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2018-11-27 14:25:20 +01:00 |
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Oliver Scherer
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32e93ed776
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Update to Memory -> Allocation method move
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2018-11-23 17:00:31 +01:00 |
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Ralf Jung
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694d2490f1
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slightly more verbose error msg
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2018-11-21 16:02:38 +01:00 |
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Ralf Jung
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41f89beb3f
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if let
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2018-11-21 16:01:39 +01:00 |
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Ralf Jung
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ec8cc029c1
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on a deref, check that we are not using a mutable ref with a frozen tag
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2018-11-21 15:44:47 +01:00 |
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Ralf Jung
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6085865975
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adjust for InboundsCheck parameter of memory bounds check
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2018-11-20 08:45:25 +01:00 |
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Ralf Jung
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19f8a9db7d
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Boxes can also use the fast path
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2018-11-17 12:35:58 +01:00 |
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Ralf Jung
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c847071355
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add comment about not using builtin_deref
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2018-11-17 12:33:44 +01:00 |
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Ralf Jung
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880229d4c3
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escape-on-cast, now ptr-deref does not change the tag at all, ever
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2018-11-17 10:05:40 +01:00 |
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Ralf Jung
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b7dbb5e2a7
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also consider boxes like unique references
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2018-11-17 10:05:40 +01:00 |
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Ralf Jung
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36b97cd76c
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Factor out common top-level code from escape-to-raw and retag
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2018-11-16 11:24:01 +01:00 |
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Ralf Jung
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a1f895d6f2
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retagging: descent into values, type-driven
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2018-11-16 11:09:33 +01:00 |
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Ralf Jung
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60e26af323
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add a sanity assertion
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2018-11-16 08:40:00 +01:00 |
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Ralf Jung
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cf1746222e
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we no longer even try pushing to a frozen location
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2018-11-15 21:22:05 +01:00 |
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Ralf Jung
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f521fd5e0f
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let's call this a redundant reborrow
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2018-11-15 21:22:05 +01:00 |
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Ralf Jung
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c234009fdd
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generalize reborrow-to-raw exception to a general redundancy check
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2018-11-15 09:35:40 +01:00 |
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Ralf Jung
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5a801c0dc1
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adjust comment
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2018-11-15 09:35:40 +01:00 |
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Ralf Jung
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a87e952102
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Separate deref and access into different operations; add special exception for creating raw references
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2018-11-15 09:35:40 +01:00 |
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Ralf Jung
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a94e197105
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better test the special exception for reading through unique when things are shared
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2018-11-15 09:35:40 +01:00 |
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Ralf Jung
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020313dd85
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make freezing inherently part of the high-level reactivate/initiate operations
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2018-11-15 09:35:40 +01:00 |
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Ralf Jung
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09919c2b59
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Retag is the only operation that generates new tags
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2018-11-15 09:35:40 +01:00 |
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Ralf Jung
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f5bd85d009
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update for memory_deallocated moving to AllocExtra
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2018-11-14 16:03:38 +01:00 |
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Ralf Jung
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e7aa5c68ff
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Update rustc for AllocationExtra trait
Based on https://github.com/solson/miri/pull/493 but there were more conflicts
than code so I opted not to cherry-pick.
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2018-11-12 08:54:12 +01:00 |
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Ralf Jung
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00936316d1
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treat shared and raw borrows alike
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2018-11-08 08:29:34 +01:00 |
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Ralf Jung
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74635a57e2
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re-do large parts of stacked borrows, now with proper support for partiall frozen data
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2018-11-08 08:29:34 +01:00 |
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Ralf Jung
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9edac3189a
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rustup
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2018-11-05 08:52:02 +01:00 |
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Ralf Jung
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cb691b7ed9
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comment on mut-to-shr transmutes
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2018-11-03 11:42:38 +01:00 |
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Ralf Jung
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a68779fd16
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use crate:: import to make edition port easier later
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2018-11-01 09:00:09 +01:00 |
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Ralf Jung
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81534496dc
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rename RefKind to UsageKind, because it not only used for references now
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2018-11-01 08:58:03 +01:00 |
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Ralf Jung
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478f137c39
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put all the logic into reactivatable()
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2018-11-01 08:58:03 +01:00 |
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Ralf Jung
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85f821d7e9
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unify checks on memory access and reborrowing, and update for Machine trait change
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2018-11-01 08:58:03 +01:00 |
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Ralf Jung
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bba3c49e84
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basic retagging (no fn_entry); this also makes us catch more bugs even with optimizations and we can finally stop mutating the state on deref
|
2018-11-01 08:58:03 +01:00 |
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Ralf Jung
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7ac0e79ad5
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stub Retag hook; fix tests for removal of -Zmir-emit-validate
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2018-11-01 08:58:03 +01:00 |
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Ralf Jung
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1fa0ff88c0
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fix nits
|
2018-10-30 10:41:01 +01:00 |
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Ralf Jung
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a34b9c7b70
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make some things public for the benefit of priroda
|
2018-10-24 11:39:31 +02:00 |
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Ralf Jung
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5388037f8a
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remove code duplication by letting reactivatable() compute what reactivate() has to do
|
2018-10-23 15:59:50 +02:00 |
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Ralf Jung
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fe83ef323c
|
also run compile-fail tests with and without optimizations
|
2018-10-23 13:09:17 +02:00 |
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Ralf Jung
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26bb4f79dc
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get rid of implicit Raw at bottom of stack; locals get a uniq at their bottom
|
2018-10-22 18:17:37 +02:00 |
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Ralf Jung
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01828fde53
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respect memory's privacy
|
2018-10-22 16:48:10 +02:00 |
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Ralf Jung
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dd1558f337
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rustc update and be very selective about what we accept on a deref
|
2018-10-22 16:48:09 +02:00 |
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Ralf Jung
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1ae1b9bfea
|
adapt to rustc API changes and factor out computing the tag for ty+mutbl
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2018-10-22 16:45:03 +02:00 |
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Ralf Jung
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1a7fb7ec3c
|
expand comment about incomplete support for interior mutability
|
2018-10-22 12:51:47 +02:00 |
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Ralf Jung
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b259512c57
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bump for ENABLE_PTR_TRACKING_HOOKS, and remove some dead code
|
2018-10-17 17:36:07 +02:00 |
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Ralf Jung
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d4b78b36ab
|
stacked borrows: enforcement at memory accesses
|
2018-10-17 15:15:53 +02:00 |
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Ralf Jung
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66b4bb7cf2
|
stacked borrows: track refs and derefs
|
2018-10-16 18:35:27 +02:00 |
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Ralf Jung
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b84f7e2029
|
add Borrow tag to pointers; remove old locking code
|
2018-10-16 18:35:27 +02:00 |
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