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![]() When running on newer Intel processors supporting the feature, OpenBSD enforces indirect branch tracking. Without this endbr64 instruction, jumps to the coroutine_transfer function result in SIGILL on OpenBSD/amd64 when using such processors. The OpenBSD Ruby ports have been using a patch similar to this for the past two months. From some research, cet.h has been supported by GCC for about 6 years and LLVM for about 4 years. |
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Context.h | ||
Context.S |