зеркало из https://github.com/mozilla/gecko-dev.git
3e928e865e
As we saw in bug 1598119, 32-bit nop-space patches aren't compatible with clang 11's CFG because they return to the second instruction of the hooked function. The `FunctionHook`s for plugins were pulling raw function pointers out of the interceptor stubs, so they didn't get the benefit of the stub's `operator()` that already has the CFG annotation. As a bandaid, this patch marks all users of `BasicFunctionHook::OriginalFunction()` with the CFG annotation as well. A more thorough fix might be to somehow pass through to the stub's `operator()`, but we need something before merge day and I'm not confident in being able to do that regression-free in time. Differential Revision: https://phabricator.services.mozilla.com/D90629 |
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