If the exception being thrown is based on std::exception, this might work,
function whatEmscriptenException(ptr) {
// 8 should be the vtable offset for the what function
var fPtr = Module.HEAPU32[(Module.HEAPU32[(ptr) >> 2] + 8) >> 2];
console.info(Module.AsciiToString(Module.dynCall_ii(fPtr, ptr)));
}
I have that as a snippet in chrome, you'd run it with
whatEmscriptenException(5489120). This treats that value as a ptr to a
std::exception object, and tries to call its 'what' function.
On Sunday, March 26, 2017 at 10:52:21 PM UTC-7, Ricky wrote:
>
> Oh, I should add this is all being bound using embind. Not sure if that
> makes a difference or not but more information is better than less I
> suppose.
>
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