[Webkit-unassigned] [Bug 38747] mingw-w64 and JIT support

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38747





--- Comment #10 from Gabor Loki <loki at webkit.org>  2010-05-10 06:23:19 PST ---
Unfortunately, we were not able to build QtWebKit with mingw-w64. It would be nice if someone writes a "works-for-me" section for mingw-w64 at http://trac.webkit.org/wiki/BuildingQtOnWindows wiki. Apart from that, no other magic should be needed to fire JIT up with mingw-w64.
In additional, the x86_64 based QtWebKit runs fine on linux, see at http://www.sed.hu/webkit/qtbuildbot/builders/x86-64%20Linux%20Qt%20Release. It is red, but the JIT runs (only 3 layout tests fail).
The JIT only has the following OS dependent sections: memory allocation, make a mem. range executable, flush a mem. region on some targets, and the function call abi (nothing else). So if this problem is not related to mingw-w64 compiler, the bug should be in ExecutableAllocator or JITStubs (or maybe in privateCompileCTIMachineTrampolines), but they look nice.
Well, a good back-trace is essential for efficient debugging. ;) Could someone make a detailed bug report for mingw-w64 JIT?

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