[llvm-bugs] [Bug 36147] New: [WASM] Make --allow-undefined-file allow wildcards in symbols

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Jan 30 01:57:41 PST 2018


https://bugs.llvm.org/show_bug.cgi?id=36147

            Bug ID: 36147
           Summary: [WASM] Make --allow-undefined-file allow wildcards in
                    symbols
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: cjd at cjdns.fr
                CC: llvm-bugs at lists.llvm.org

This is a feature request based on the fact that the Emscripten style
setjmp/longjmp (
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp?view=markup&pathrev=280415
) in emits symbols beginning with '__invoke_' but with names which are
unpredictable so without the ability to pass `__invoke_*` as a symbol to
ignore, it's not possible to use this feature with lld.

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