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  1. 08 Jan, 2018 1 commit
    • Simon Marlow's avatar
      Improve accuracy of get/setAllocationCounter · a1a689dd
      Simon Marlow authored
      Summary:
      get/setAllocationCounter didn't take into account allocations in the
      current block. This was known at the time, but it turns out to be
      important to have more accuracy when using these in a fine-grained
      way.
      
      Test Plan:
      New unit test to test incrementally larger allocaitons.  Before I got
      results like this:
      
      ```
      +0
      +0
      +0
      +0
      +0
      +4096
      +0
      +0
      +0
      +0
      +0
      +4064
      +0
      +0
      +4088
      +4056
      +0
      +0
      +0
      +4088
      +4096
      +4056
      +4096
      ```
      
      Notice how the results aren't always monotonically increasing.  After
      this patch:
      
      ```
      +344
      +416
      +488
      +560
      +632
      +704
      +776
      +848
      +920
      +992
      +1064
      +1136
      +1208
      +1280
      +1352
      +1424
      +1496
      +1568
      +1640
      +1712
      +1784
      +1856
      +1928
      +2000
      +2072
      +2144
      ```
      
      Reviewers: niteria, bgamari, hvr, erikd
      
      Subscribers: rwbarton, thomie, carter
      
      Differential Revision: https://phabricator.haskell.org/D4288
      a1a689dd
  2. 02 Jan, 2018 1 commit
    • Tamar Christina's avatar
      Windows: fix all failing tests. · 27b7b4db
      Tamar Christina authored
      This makes the testsuite pass clean on Windows again.
      It also fixes the `libstdc++-6.dll` error harbormaster
      was showing.
      
      I'm marking some tests as isolated tests to reduce their
      flakiness (mostly concurrency tests) when the test system
      is under heavy load.
      
      Updates process submodule.
      
      Test Plan: ./validate
      
      Reviewers: hvr, bgamari, erikd, simonmar
      
      Reviewed By: bgamari
      
      Subscribers: rwbarton, thomie, carter
      
      Differential Revision: https://phabricator.haskell.org/D4277
      27b7b4db
  3. 18 Dec, 2017 1 commit
  4. 27 Nov, 2017 1 commit
  5. 22 Oct, 2017 1 commit
    • Tamar Christina's avatar
      Add stack traces on crashes on Windows · 99c61e22
      Tamar Christina authored
      Summary:
      This patch adds the ability to generate stack traces on crashes for Windows.
      When running in the interpreter this attempts to use symbol information from
      the interpreter and information we know about the loaded object files to
      resolve addresses to symbols.
      
      When running compiled it doesn't have this information and then defaults
      to using symbol information from PDB files. Which for now means only
      files compiled with ICC or MSVC will show traces compiled.
      
      But I have a future patch that may address this shortcoming.
      
      Also since I don't know how to walk a pure haskell stack, I can for now
      only show the last entry. I'm hoping to figure out how Apply.cmm works to
      be able to walk the stalk and give more entries for pure haskell code.
      
      In GHCi
      
      ```
      $ echo main | inplace/bin/ghc-stage2.exe --interactive ./testsuite/tests/rts/derefnull.hs
      GHCi, version 8.3.20170830: http://www.haskell.org/ghc/  :? for help
      Ok, 1 module loaded.
      Prelude Main>
      Access violation in generated code when reading 0x0
      
       Attempting to reconstruct a stack trace...
      
         Frame        Code address
       * 0x77cde10    0xc370229 E:\..\base\dist-install\build\HSbase-4.10.0.0.o+0x190031
                       (base_ForeignziStorable_zdfStorableInt4_info+0x3f)
      ```
      
      and compiled
      
      ```
      Access violation in generated code when reading 0x0
      
       Attempting to reconstruct a stack trace...
      
         Frame        Code address
       * 0xf0dbd0     0x40bb01 E:\..\rts\derefnull.run\derefnull.exe+0xbb01
      ```
      
      Test Plan: ./validate
      
      Reviewers: austin, hvr, bgamari, erikd, simonmar
      
      Reviewed By: bgamari
      
      Subscribers: rwbarton, thomie
      
      Differential Revision: https://phabricator.haskell.org/D3913
      99c61e22
  6. 03 Jul, 2017 1 commit
  7. 29 Jun, 2017 1 commit
    • Ben Gamari's avatar
      configure: Coerce gcc to use $LD instead of system default · 625143f4
      Ben Gamari authored
      The configure script will now try to coerce gcc to use the linker
      pointed to by $LD instead of the system default (typically bfd ld).
      Moreover, we now check for `ld.gold` and `ld.lld` before trying `ld`.
      
      The previous behavior can be reverted to by using the new
      --disable-ld-override flag.
      
      On my machine gold seems to trigger an apparent infelicity in
      constructor behavior, causing T5435_asm to fail. I've opened #13883 to
      record this issue and have accepted the questionable constructor
      ordering for the time being.
      
      Test Plan: Validate with `config_args='--enable-ld-override'`
      
      Reviewers: austin, hvr, simonmar
      
      Subscribers: duog, nh2, rwbarton, thomie, erikd, snowleopard
      
      GHC Trac Issues: #13541, #13810, #13883
      
      Differential Revision: https://phabricator.haskell.org/D3449
      625143f4
  8. 16 Jun, 2017 1 commit
  9. 26 Feb, 2017 2 commits
    • rwbarton's avatar
      tests: remove extra_files.py (#12223) · 3415bcaa
      rwbarton authored
      The script I used is included as testsuite/driver/kill_extra_files.py,
      though at this point it is for mostly historical interest.
      
      Some of the tests in libraries/hpc relied on extra_files.py, so this
      commit includes an update to that submodule.
      
      One test in libraries/process also relies on extra_files.py, but we
      cannot update that submodule so easily, so for now we special-case it
      in the test driver.
      3415bcaa
    • rwbarton's avatar
      tests: manually move some extra_files into *.T files · 98119f5a
      rwbarton authored
      Some of the *.T files were in libraries/hpc, so this contains an
      update to that submodule.
      98119f5a
  10. 22 Jan, 2017 1 commit
    • thomie's avatar
      Remove clean_cmd and extra_clean usage from .T files · 5d38fb69
      thomie authored
      The `clean_cmd` and `extra_clean` setup functions don't do anything.
      Remove them from .T files.
      
      Created using https://github.com/thomie/refactor-ghc-testsuite. This
      diff is a test for the .T-file parser/processor/pretty-printer in that
      repository.
      
          find . -name '*.T' -exec ~/refactor-ghc-testsuite/Main "{}" \;
      
      Tests containing inline comments or multiline strings are not modified.
      
      Preparation for #12223.
      
      Test Plan: Harbormaster
      
      Reviewers: austin, hvr, simonmar, mpickering, bgamari
      
      Reviewed By: mpickering
      
      Subscribers: mpickering
      
      Differential Revision: https://phabricator.haskell.org/D3000
      
      GHC Trac Issues: #12223
      5d38fb69
  11. 15 Jan, 2017 1 commit
    • Ryan Scott's avatar
      Improve access violation reporting on Windows · c13151e5
      Ryan Scott authored
      Summary:
      This patch is courtesy of @awson.
      
      Currently, whenever GHC catches a segfault on Windows, it simply reports the
      somewhat uninformative message
      `Segmentation fault/access violation in generated code`. This patch adds to
      the message the type of violation (read/write/dep) and location information,
      which should help debugging segfaults in the future.
      
      Fixes #13108.
      
      Test Plan: Build on Windows
      
      Reviewers: austin, erikd, bgamari, simonmar, Phyx
      
      Reviewed By: bgamari, Phyx
      
      Subscribers: awson, thomie, #ghc_windows_task_force
      
      Differential Revision: https://phabricator.haskell.org/D2969
      
      GHC Trac Issues: #13108
      c13151e5
  12. 27 Dec, 2016 1 commit
    • Peter Trommler's avatar
      Testsuite: Skip failing tests on PowerPC 64-bit · 4dec7d19
      Peter Trommler authored
      The Power ISA says the result of a division by zero is undefined.  So
      ignore stdout on PowerPC 64-bit systems.
      
      Disable ext-interp tests on 64-bit PowerPC.  We don't have support for
      PowerPC 64-bit ELF in the RTS linker, which is needed for the external
      interpreter.
      
      Test Plan: ./validate
      
      Reviewers: austin, simonmar, hvr, erikd, bgamari
      
      Reviewed By: bgamari
      
      Subscribers: thomie
      
      Differential Revision: https://phabricator.haskell.org/D2782
      4dec7d19
  13. 18 Dec, 2016 3 commits
  14. 13 Dec, 2016 1 commit
  15. 12 Dec, 2016 1 commit
  16. 10 Dec, 2016 1 commit
  17. 09 Dec, 2016 1 commit
  18. 02 Dec, 2016 1 commit
    • Alexander Vershilov's avatar
      Install toplevel handler inside fork. · 895a131f
      Alexander Vershilov authored
      When rts is forked it doesn't update toplevel handler, so UserInterrupt
      exception is sent to Thread1 that doesn't exist in forked process.
      
      We install toplevel handler when fork so signal will be delivered to the
      new main thread.
      
      Fixes #12903
      
      Reviewers: simonmar, austin, erikd, bgamari
      
      Reviewed By: bgamari
      
      Subscribers: thomie
      
      Differential Revision: https://phabricator.haskell.org/D2770
      
      GHC Trac Issues: #12903
      895a131f
  19. 30 Nov, 2016 1 commit
    • Tamar Christina's avatar
      Update test output for Windows · dd9ba503
      Tamar Christina authored
      Following D2684 these two tests need to be updated:
      
       * T7037: timeout.exe now waits until all processes are finished.
                this makes T7037 reliable. So enabled.
      
       * T876: Unknown reason, allocations are much lower than before.
      
      Test Plan: ./validate
      
      Reviewers: austin, simonmar, bgamari
      
      Reviewed By: bgamari
      
      Subscribers: thomie, #ghc_windows_task_force
      
      Differential Revision: https://phabricator.haskell.org/D2759
      
      GHC Trac Issues: #12725, #12004
      dd9ba503
  20. 17 Oct, 2016 2 commits
  21. 02 Oct, 2016 1 commit
  22. 05 Sep, 2016 1 commit
    • takano-akio's avatar
      Make the test for #11108 less fragile · a7a960e4
      takano-akio authored
      This change should close #11108 by fixing the test case.
      
      This commit fixes two issues:
      
      * Make sure that each weak pointer we allocate has a constructor as the
        key, not a thunk. A failure to do so meant these weak pointers died
        prematurely on the 'ghci' WAY.
      
      * Don't print anything in the finalizer, because they are not guaranteed
        to run.
      
      Test Plan: validate
      
      Reviewers: austin, simonmar, erikd, bgamari
      
      Reviewed By: erikd, bgamari
      
      Subscribers: thomie
      
      Differential Revision: https://phabricator.haskell.org/D2512
      
      GHC Trac Issues: #11108
      a7a960e4
  23. 01 Sep, 2016 1 commit
    • Tamar Christina's avatar
      Added support for deprecated POSIX functions on Windows. · e5ecb201
      Tamar Christina authored
      Summary:
      With the introduction of 8.0.1 We've stopped supporting in GHCi
      the use of POSIX functions under their deprecated names on Windows.
      
      This to be compatible with object and libraries from the most
      popular compilers on the platform (Microsoft and Intel compilers).
      
      However this brings a confusing disparity between the compiled and
      interpreted behavior since MingW-W64 does support the deprecated names.
      
      Also It seems clear that package writers won't update their packages to
      properly support Windows. As such I have added redirects in the RTS
      for the deprecated functions as listed on
      
      https://msdn.microsoft.com/en-us/library/ms235384.aspx.
      
      This won't export the functions (as in, they won't be in the symbol table
      of compiled code for the RTS.) but we inject them into the symbol table
      of the dynamic linker at startup.
      
      Test Plan:
      ./validate
      and
      
      make test TEST="ffi017 ffi021"
      
      Reviewers: thomie, simonmar, RyanGlScott, bgamari, austin, hvr, erikd
      
      Reviewed By: simonmar, bgamari
      
      Subscribers: RyanGlScott, #ghc_windows_task_force
      
      Differential Revision: https://phabricator.haskell.org/D2500
      
      GHC Trac Issues: #12209, #12497, #12496
      e5ecb201
  24. 29 Jun, 2016 1 commit
    • thomie's avatar
      Testsuite: use ignore_stderr/stdout instead of ignore_output · 1084d375
      thomie authored
      The problem with ignore_output is that it hides errors for WAY=ghci.
      GHCi always returns with exit code 0 (unless it is broken itself).
      
      For example: ghci015 must have been failing with compile errors for
      years, but we didn't notice because all output was ignored.
      
      Therefore, replace all uses of ignore_output with either ignore_stderr
      or ignore_stdout. In some cases I opted for adding the expected output.
      
      Update submodule hpc and stm.
      
      Reviewed by: simonmar
      
      Differential Revision: https://phabricator.haskell.org/D2367
      1084d375
  25. 28 Jun, 2016 3 commits
    • Facundo Domínguez's avatar
      Stop the simplifier from removing StaticPtr binds. · dd92c67b
      Facundo Domínguez authored
      Summary:
      We have the FloatOut pass create exported ids for floated StaticPtr
      bindings. The simplifier doesn't try to remove those.
      
      This patch also improves on 7fc20b by making a common definition
      collectStaticPtrSatArgs to test for StaticPtr binds.
      
      Fixes #12207.
      
      Test Plan: ./validate
      
      Reviewers: simonpj, austin, bgamari, simonmar, goldfire
      
      Reviewed By: simonpj
      
      Subscribers: thomie
      
      Differential Revision: https://phabricator.haskell.org/D2366
      
      GHC Trac Issues: #12207
      dd92c67b
    • thomie's avatar
      Testsuite: do not add -debug explicitly in .T file · 0eb03781
      thomie authored
      This prevents `cannot find -lHSrts_debug_p` when running `make
      TEST=T9078 WAY=profasm` (#9078).
      0eb03781
    • thomie's avatar
      Testsuite: open/close stdin/stdout/stderr explicitly · 58f0086b
      thomie authored
      This allows run_command's to contain `|`, and `no_stdin` isn't necessary
      anymore.
      
      Unfortunately it doesn't fix T7037 on Windows which I had hoped it would
      (testsuite driver tries to read a file that it just created itself, but
      the OS says it doesn't exist).
      
      The only drawback of this commit is that the command that the testsuite
      prints to the terminal (for debugging purposes) doesn't mention the
      files that stdout and stderr are redirected to anymore. This is probably
      ok.
      
      Update submodule unix.
      
      Differential Revision: https://phabricator.haskell.org/D1234
      58f0086b
  26. 20 Jun, 2016 1 commit
    • thomie's avatar
      Testsuite: mark tests expect broken · 1d938aa3
      thomie authored
      * CgStaticPointers, GcStaticPointers, ListStaticPointers,
        TcStaticPointers01, TcStaticPointers02:  #12207
      * T11535: #12210
      * ffi017/ffi021: #12209
      * T11108: #11108
      * T9646: #9646
      1d938aa3
  27. 18 Jun, 2016 1 commit
    • thomie's avatar
      Testsuite: run tests in <testdir>.run instead of /tmp · f72f23f9
      thomie authored
      As discussed in Phab:D1187, this approach makes it a bit easier to
      inspect the test directory while working on a new test.
      
      The only tests that needed changes are the ones that refer to files in
      ancestor directories. Those files are now copied directly into the test
      directory.
      
      validate still runs the tests in a temporary directory in /tmp, see
      `Note [Running tests in /tmp]` in testsuite/driver/runtests.py.
      
      Update submodule hpc.
      
      Reviewed by: simonmar
      
      Differential Revision: https://phabricator.haskell.org/D2333
      
      GHC Trac Issues: #11980
      f72f23f9
  28. 17 Jun, 2016 1 commit
    • Simon Marlow's avatar
      NUMA cleanups · 498ed266
      Simon Marlow authored
      - Move the numaMap and nNumaNodes out of RtsFlags to Capability.c
      - Add a test to tests/rts
      498ed266
  29. 13 Jun, 2016 1 commit
    • Tamar Christina's avatar
      Add thin library support to Windows too · 5cee88d7
      Tamar Christina authored
      Summary:
      Code already existed in the RTS to add thin library support for non-Windows
      operating systems. This adds it to Windows as well.
      
      ar thin libraries have the exact same format as normal archives except they
      have a different magic string and they don't copy the object files into the
      archive.
      
      Instead each header entry points to the location of the object file on disk.
      This is useful when a library is only created to satisfy a compile time dependency
      instead of to be distributed. This saves the time required for copying.
      
      Test Plan: ./validate and new test T11788
      
      Reviewers: austin, bgamari, simonmar, erikd
      
      Reviewed By: bgamari, simonmar
      
      Subscribers: thomie, #ghc_windows_task_force
      
      Differential Revision: https://phabricator.haskell.org/D2323
      
      GHC Trac Issues: #11788
      5cee88d7
  30. 04 Jun, 2016 1 commit
    • Peter Trommler's avatar
      RTS SMP: Use compiler built-ins on all platforms. · eda73a3a
      Peter Trommler authored
      Use C compiler builtins for atomic SMP primitives. This saves a lot
      of CPP ifdefs.
      
      Add test for atomic xchg:
      Test if __sync_lock_test_and_set() builtin stores the second argument.
      The gcc manual says the actual value stored is implementation defined.
      
      Test Plan: validate and eyeball generated assembler code
      
      Reviewers: kgardas, simonmar, hvr, bgamari, austin, erikd
      
      Reviewed By: simonmar
      
      Subscribers: thomie
      
      Differential Revision: https://phabricator.haskell.org/D2233
      eda73a3a
  31. 03 Jun, 2016 1 commit
    • Peter Trommler's avatar
      testsuite: Mark broken tests on powerpc64le · 1dadd9a9
      Peter Trommler authored
      Mark all failing tests that have a ticket for powerpc64 as broken. Most
      of these failures are due to the lack of linker support in the runtime
      system.
      
      Test Plan: validate on powerpc and AIX
      
      Reviewers: erikd, bgamari, simonmar, hvr, austin
      
      Reviewed By: austin
      
      Subscribers: thomie
      
      Differential Revision: https://phabricator.haskell.org/D2289
      
      GHC Trac Issues: #11261, #11259, #11260, #11323
      1dadd9a9
  32. 18 May, 2016 1 commit
  33. 04 Apr, 2016 1 commit
  34. 24 Mar, 2016 1 commit