================
@@ -1028,6 +1029,23 @@ DynamicLoaderDarwin::GetStepThroughTrampolinePlan(Thread
&thread,
thread_plan_sp = std::make_shared<ThreadPlanRunToAddress>(
thread, load_addrs, stop_others);
}
+ // One more case we have to consider is "branch islands". These are
regular
+ // TEXT symbols but their names end in .island plus maybe a .digit suffix.
+ // They are to allow arm64 code to branch further than the size of the
+ // address slot allows. We just need to single-instruction step in that
+ // case.
+ static const char *g_branch_island_pattern = "\\.island\\.?[0-9]*$";
----------------
adrian-prantl wrote:
This is pedantic, but maybe `"\\.island\\(.[0-9]+)?$"` would be more precise,
since `foo.island.` with no number should probably not get matched?
https://github.com/llvm/llvm-project/pull/138781
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