[Bug 40779] Error in Copy/Past to Registration bar of PDF Eraser

WineHQ Bugzilla wine-bugs at winehq.org
Tue Dec 31 14:19:36 CST 2019


https://bugs.winehq.org/show_bug.cgi?id=40779

--- Comment #10 from Vincent Povirk <madewokherd at gmail.com> ---
I don't think we can run the current version.

It seems to have trouble with this method:
converting method string W9sL8qMZ2gvL5ALRQZ.ECXxAIAI190mcxNI82:A2fd5lmlNX (int)
* Assertion at /home/meh/work/wine-mono/mono/mono/metadata/metadata.c:1081,
condition `index < meta->heap_blob.size' not met

Looking at it more closely, the method is obfuscated by using a switch
instruction to branch between parts of the IL. It also violates an important
rule of IL code: For each IL instruction, the stack should be the same depth
regardless of the path taken to reach that instruction. There are obvious loops
involving the switch instruction where the stack depth would be changed. I
don't think it's possible for Mono's JIT to execute code like this given the
approach it currently takes.

It might be possible for an interpreter, but I don't think it's possible to use
the interpreter in Mono selectively, or to run Windows programs in a fully
interpreted mode.

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