Function undo

src/e9patch/e9tactics.cpp:161–177

* Undo the application of a patch. */

 * Undo the application of a patch.
 */
static void undo(Binary &B, Patch *P)
{
    while (P != nullptr)
    {
        P->I->is_patched = P->original.is_patched;
        P->I->is_evicted = false;
        for (unsigned i = 0; i < PATCH_MAX; i++)
        {
            P->I->STATE[i] = P->original.state[i];
            P->I->PATCH[i] = P->original.bytes[i];
        }
        deallocate(&B, P->A);
        Patch *Q = P;
        P = P->next;
        delete Q;
    }
}

/*
 * Calculate trampoline bounds.