#5250: SEGFAULT in FFI to C++ library
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Reporter: acowley | Owner:
Type: bug | Status: closed
Priority: high | Milestone: 7.2.1
Component: Compiler (FFI) | Version: 7.0.3
Resolution: fixed | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: x86
Failure: Runtime crash |
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Comment(by marlowsd@…):
{{{
commit 81eddb4c58c6d4171a46c727574112e2083c4878
Author: Simon Marlow <[email protected]>
Date: Mon Jul 18 13:48:53 2011 +0100
Fix Windows breakage (#5322). When I modified StgRun to use the pure
assembly version as part of the fix for #5250, we inadvertently lost
the Windows magic for extending the stack. Win32 requires that the
stack is extended a page at a time, otherwise you get a segfault. The
C compiler knows how to do this, so we now call a C stub to ensure
there's enough stack space at each invocation of the scheduler.
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5250#comment:11>
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