b5876847ac
The Branch Target Identification (BTI) Armv8-A extension adds new instructions that can be placed where we may indirrectly branch to, e.g. at the start of a function called via a function pointer. We can't emulate these in DTrace as the kernel will have raised a different exception before the DTrace handler has run. Skip over the BTI instruction if it's used as the first instruction in a function. Sponsored by: The FreeBSD Foundation |
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