[llvm-bugs] [Bug 30785] New: Can't build x64 SEH with LLVM-C interface

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Oct 25 08:52:05 PDT 2016


https://llvm.org/bugs/show_bug.cgi?id=30785

            Bug ID: 30785
           Summary: Can't build x64 SEH with LLVM-C interface
           Product: new-bugs
           Version: 3.9
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: nb at ravenbrook.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 17487
  --> https://llvm.org/bugs/attachment.cgi?id=17487&action=edit
Patch to current trunk sources

The LLVM-C interface provides no means to construct catchswitch, catchpad,
catchret, cleanuppad, or cleanupret instructions.

Patch file attached.  I haven't tested this yet because of LLVM build problems
on my machine which I am sorting out now.  I will test it today or tomorrow. 
More functionality could be added for catchswitch handlers, similar to the
clause functionality for landingpads, but this will be enough to allow us to
start using these instructions.

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