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diff --git a/exception.cc b/exception.cc
index 15f93ae..2f1947f 100644
--- a/exception.cc
+++ b/exception.cc
@@ -806,6 +806,9 @@ extern "C" __cxa_exception *__cxa_init_primary_exception(
return ex;
}
+typedef void (*cxa_throw_hook_t)(void*, std::type_info*, void(*)(void*)) noexcept;
+
+__attribute__((weak)) cxa_throw_hook_t cxa_throw_hook = nullptr;
/**
* ABI function for throwing an exception. Takes the object to be thrown (the
@@ -816,6 +819,11 @@ extern "C" void __cxa_throw(void *thrown_exception,
std::type_info *tinfo,
void(*dest)(void*))
{
+ if (cxa_throw_hook)
+ {
+ cxa_throw_hook(thrown_exception, tinfo, dest);
+ }
+
__cxa_exception *ex = __cxa_init_primary_exception(thrown_exception, tinfo, dest);
ex->referenceCount = 1;
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