[commit: ghc] master: Fix unwinding of C -> Haskell FFI calls with -threaded (2nd try) (5d3b15e)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/5d3b15ecbf17b7747c2f7313a981c60a2d22904d/ghc

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commit 5d3b15ecbf17b7747c2f7313a981c60a2d22904d
Author: Bartosz Nitka <niteria at gmail.com>
Date:   Thu May 17 08:06:33 2018 -0700

    Fix unwinding of C -> Haskell FFI calls with -threaded (2nd try)
    
    Summary:
    See the new note.
    This should fix cb5c2fe875965b7aedbc189012803fc62e48fb3f enough
    to unbreak Windows and OS X builds.
    
    Test Plan: manual testing with patched gdb
    
    Reviewers: bgamari, simonmar, erikd
    
    Reviewed By: bgamari
    
    Subscribers: rwbarton, thomie, carter
    
    Differential Revision: https://phabricator.haskell.org/D4694


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5d3b15ecbf17b7747c2f7313a981c60a2d22904d
 includes/rts/Constants.h |  13 +++
 rts/RtsMessages.c        |   4 +-
 rts/RtsUtils.h           |   3 +
 rts/StgCRun.c            | 200 ++++++++++++++++++++++++++++++++++++++++++++---
 rts/StgStartup.cmm       |  18 +----
 5 files changed, 210 insertions(+), 28 deletions(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 5d3b15ecbf17b7747c2f7313a981c60a2d22904d