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* support small arrays and CONSTR_NOCAF in ghc-heapDavid Hewson2019-05-312-0/+16
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* Use ghc-prim < 0.7, not <= 0.6.1, as upper version boundsRyan Scott2019-04-091-1/+1
| | | | | | | Using `ghc-prim <= 0.6.1` is somewhat dodgy from a PVP point of view, as it makes it awkward to support new minor releases of `ghc-prim`. Let's instead use `< 0.7`, which is the idiomatic way of expressing PVP-compliant upper version bounds.
* Replace git.haskell.org with gitlab.haskell.org (#16196)Yuriy Syrovetskiy2019-04-041-1/+1
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* Bump ghc-prim's version where neededAlexandre2019-04-011-1/+1
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* Fix a few broken Trac links [skip ci]Chaitanya Koparkar2019-03-273-3/+3
| | | | This patch only attempts to fix links that don't automatically re-direct to the correct URL.
* Update Wiki URLs to point to GitLabTakenobu Tani2019-03-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | This moves all URL references to Trac Wiki to their corresponding GitLab counterparts. This substitution is classified as follows: 1. Automated substitution using sed with Ben's mapping rule [1] Old: ghc.haskell.org/trac/ghc/wiki/XxxYyy... New: gitlab.haskell.org/ghc/ghc/wikis/xxx-yyy... 2. Manual substitution for URLs containing `#` index Old: ghc.haskell.org/trac/ghc/wiki/XxxYyy...#Zzz New: gitlab.haskell.org/ghc/ghc/wikis/xxx-yyy...#zzz 3. Manual substitution for strings starting with `Commentary` Old: Commentary/XxxYyy... New: commentary/xxx-yyy... See also !539 [1]: https://gitlab.haskell.org/bgamari/gitlab-migration/blob/master/wiki-mapping.json
* ghc-heap: Introduce closureSizeBen Gamari2019-03-174-0/+51
| | | | | | This function allows the user to compute the (non-transitive) size of a heap object in words. The "closure" in the name is admittedly confusing but we are stuck with this nomenclature at this point.
* Implement -Wredundant-record-wildcards and -Wunused-record-wildcardsMatthew Pickering2019-02-141-1/+1
| | | | | | | | | -Wredundant-record-wildcards warns when a .. pattern binds no variables. -Wunused-record-wildcards warns when none of the variables bound by a .. pattern are used. These flags are enabled by `-Wall`.
* Fix some broken links (#15733)Fangyi Zhou2018-10-252-2/+2
| | | | | | | | | | | | | | | | Change some URLs from hackage.haskell.org/trac to ghc.haskell.org/trac Test Plan: manually verify links work Reviewers: bgamari, simonmar, mpickering Reviewed By: bgamari, mpickering Subscribers: mpickering, rwbarton, carter GHC Trac Issues: #15733 Differential Revision: https://phabricator.haskell.org/D5257
* ghc-heap: Fix writing closures on big endianPeter Trommler2018-10-151-1/+4
| | | | | | | | | | | | | | | | We need to write the closure type as a HalfWord not an Int. On big endian systems the closure type ends up being zero (the upper word of the Int) making the closure an invalid object. Test Plan: validate (preferably on a big endian system) Reviewers: bgamari, hvr, erikd, simonmar Reviewed By: simonmar Subscribers: rwbarton, carter Differential Revision: https://phabricator.haskell.org/D5212
* NoImplicitPrelude in ghc-boot-th, ghc-boot, ghc-heap, ghciShayne Fletcher2018-09-189-0/+11
| | | | PR: https://github.com/ghc/ghc/pull/184
* Fix endian issues in ghc-heapPeter Trommler2018-07-271-0/+17
| | | | | | | | | | | | | | | | | | | | | | In test heap_all arity and n_args were swapped on big endian systems. Take care of endianness when reading parts of a machine word from a `Word`. This fixes one out of 36 failing tests reported in #15399. Test Plan: validate Reviewers: simonmar, bgamari, hvr, erikd Reviewed By: simonmar Subscribers: rwbarton, thomie, carter GHC Trac Issues: #15399 Differential Revision: https://phabricator.haskell.org/D5001
* Support the GHCi debugger with -fexternal-interpreterSimon Marlow2018-07-163-5/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * All the tests in tests/ghci.debugger now pass with -fexternal-interpreter. These tests are now run with the ghci-ext way in addition to the normal way so we won't break it in the future. * I removed all the unsafeCoerce# calls from RtClosureInspect. Yay! The main changes are: * New messages: GetClosure and Seq. GetClosure is a remote interface to GHC.Exts.Heap.getClosureData, which required Binary instances for various datatypes. Fortunately this wasn't too painful thanks to DeriveGeneric. * No cheating by unsafeCoercing values when printing them. Now we have to turn the Closure representation back into the native representation when printing Int, Float, Double, Integer and Char. Of these, Integer was the most painful - we now have a dependency on integer-gmp due to needing access to the representation. * Fixed a bug in rts/Heap.c - it was bogusly returning stack content as pointers for an AP_STACK closure. Test Plan: * `cd testsuite/tests/ghci.debugger && make` * validate Reviewers: bgamari, patrickdoc, nomeata, angerman, hvr, erikd, goldfire Subscribers: alpmestan, snowleopard, rwbarton, thomie, carter GHC Trac Issues: #13184 Differential Revision: https://phabricator.haskell.org/D4955
* Rename some mutable closure types for consistencyÖmer Sinan Ağacan2018-06-052-5/+5
| | | | | | | | | | | | | | | | | | | | | | | SMALL_MUT_ARR_PTRS_FROZEN0 -> SMALL_MUT_ARR_PTRS_FROZEN_DIRTY SMALL_MUT_ARR_PTRS_FROZEN -> SMALL_MUT_ARR_PTRS_FROZEN_CLEAN MUT_ARR_PTRS_FROZEN0 -> MUT_ARR_PTRS_FROZEN_DIRTY MUT_ARR_PTRS_FROZEN -> MUT_ARR_PTRS_FROZEN_CLEAN Naming is now consistent with other CLEAR/DIRTY objects (MVAR, MUT_VAR, MUT_ARR_PTRS). (alternatively we could rename MVAR_DIRTY/MVAR_CLEAN etc. to MVAR0/MVAR) Removed a few comments in Scav.c about FROZEN0 being on the mut_list because it's now clear from the closure type. Reviewers: bgamari, simonmar, erikd Reviewed By: simonmar Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4784
* ghc-heap: Add dependency from GHC.Exts.Heap.Closures to InfoTableProfBen Gamari2018-05-301-0/+6
| | | | | | | `ghc -M` currently doesn't properly account for ways when generating dependencies (#15197). This import ensures correct build-ordering between this module and GHC.Exts.Heap.InfoTableProf. Otherwise the profiled build may fail as described in #15197.
* Update repository sub-dir for ghc-heap in ghc-heap.cabal.inAlp Mestanogullari2018-05-301-1/+1
| | | | | | | | | | Reviewers: bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4735
* ghc-prim: Bump versionBen Gamari2018-05-201-1/+1
| | | | | | | | | | | | | unpackClosure#'s behavior and type has changed. This caused a CPP guard in the new ghc-heap package to fail when bootstrapping with GHC 8.4. Test Plan: Validate bootstrapping with GHC 8.4 Reviewers: RyanGlScott Subscribers: rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4716
* Add HeapView functionalityPatrick Dougherty2018-05-2017-0/+1525
This pulls parts of Joachim Breitner's ghc-heap-view library inside GHC. The bits added are the C hooks into the RTS and a basic Haskell wrapper to these C hooks. The main reason for these to be added to GHC proper is that the code needs to be kept in sync with the closure types defined by the RTS. It is expected that the version of HeapView shipped with GHC will always work with that version of GHC and that extra functionality can be layered on top with a library like ghc-heap-view distributed via Hackage. Test Plan: validate Reviewers: simonmar, hvr, nomeata, austin, Phyx, bgamari, erikd Reviewed By: bgamari Subscribers: carter, patrickdoc, tmcgilchrist, rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3055
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