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  11. Jan 20, 2006
    • rtoy's avatar
      Fix some issues with ppc callbacks. · 2146a391
      rtoy authored
      o Save the args that are in registers before we create our stack
        frame.  We were storing the args in our own stack frame, breaking
        the connection between these args and any args that were allocated
        on the stack.  By doing this first, the register args and stack args
        are all contiguous as expected by the callback.
      o Create the stack frame appropriately with enough room to store our
        callee-saved registers.
      o We were not allocating enough space (4 args, not 3!) on the stack
        for funcall3 to save its args.  I don't think funcall3 needs to, but
        this is safe.
      o Document the stack layout so the next person doesn't have to read
        the code to figure it out again.
      2146a391
  12. Jan 19, 2006
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