• Clemens Backes's avatar
    [wasm] Move decoded local names off-heap · c0ee1e28
    Clemens Backes authored
    We were decoding the names of locals into a C++ data structure, and then
    generated a FixedArray out of that, stored in the on-heap WasmDebugInfo.
    In order to support name lookup for debugging with Liftoff, where no
    WasmDebugInfo will be present, this CL refactors the C++ data structure
    to allow direct lookups and stores it in the C++ DebugInfo structure.
    
    With this CL, the names are still only used from the old
    interpreter-based debugging path. A follow-up CL will then also use it
    from Liftoff.
    
    R=thibaudm@chromium.org
    
    Bug: v8:10019
    Change-Id: I1397021b5d69b9346fc26f5e83653360f428c5e7
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2002541
    Commit-Queue: Clemens Backes <clemensb@chromium.org>
    Reviewed-by: 's avatarThibaud Michaud <thibaudm@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#65819}
    c0ee1e28
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