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--- contrib/libs/libunwind/src/Unwind-wasm.c
+++ contrib/libs/libunwind/src/Unwind-wasm.c
@@ -14,9 +14,10 @@
#include "config.h"
-#ifdef __WASM_EXCEPTIONS__
#include "unwind.h"
+
+#ifdef __WASM_EXCEPTIONS__
#include <threads.h>
_Unwind_Reason_Code __gxx_personality_wasm0(int version, _Unwind_Action actions,
@@ -120,4 +121,18 @@ _Unwind_GetRegionStart(struct _Unwind_Context *context __attribute__((unused)))
return 0;
}
+#elif defined(__EMSCRIPTEN__)
+/// Called by __cxa_throw.
+/// Define it here to prevent linker errors if we're buildingig Wasm modules
+/// without exception support.
+_LIBUNWIND_EXPORT _Unwind_Reason_Code
+_Unwind_RaiseException(_Unwind_Exception *exception_object __attribute__((unused))) {
+ abort();
+}
+
+#if !defined(NDEBUG) && defined(STANDALONE_WASM)
+void __throw_exception_with_stack_trace(_Unwind_Exception* ex) {
+ _Unwind_RaiseException(ex);
+}
+#endif
#endif // defined(__WASM_EXCEPTIONS__)
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