• Michael Starzinger's avatar
    [wasm] Implement interpreter support for "throw". · 87773260
    Michael Starzinger authored
    This implements support for the "throw" operation in the interpreter.
    Note that support for catching/handling exceptions is still missing
    from the interpreter in will be done separately.
    
    This also introduces a {WasmExceptionPackage} class to the object model
    that acts as an interface for allocating and accessing exceptions that
    originate from WebAssembly. It does not represent a new instance type
    however as exceptions are instances of {WebAssembly.RuntimeError} for
    now.
    
    R=clemensh@chromium.org
    TEST=mjsunit/wasm/exceptions
    BUG=v8:8091
    
    Change-Id: I1f0cb548efb798e3c1488d42e4a31421c3c1aada
    Reviewed-on: https://chromium-review.googlesource.com/c/1430099Reviewed-by: 's avatarClemens Hammacher <clemensh@chromium.org>
    Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#59033}
    87773260
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