[LLVMbugs] [Bug 24233] New: JITs should register unwind information (xdata) on Win64 to make longjmp and exceptions work

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=24233

            Bug ID: 24233
           Summary: JITs should register unwind information (xdata) on
                    Win64 to make longjmp and exceptions work
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: MCJIT
          Assignee: unassignedbugs at nondot.org
          Reporter: rnk at google.com
                CC: andya at microsoft.com, lhames at gmail.com,
                    llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Currently RTDyldMemoryManager::registerEHFrames() implements this on Mac and
Linux, but we need the same support for Win64. It involves calling
RtlInstallFunctionTableCallback or RtlAddFunctionTable, as described on MSDN at
https://msdn.microsoft.com/en-us/library/ft9x1kdx.aspx?f=255&MSPPError=-2147217396.

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