Function tactic_B2

src/e9patch/e9tactics.cpp:469–480

* Tactic B2: replace the instruction with a punned jump. */

 * Tactic B2: replace the instruction with a punned jump.
 */
static Patch *tactic_B2(Binary &B, Instr *I, const Trampoline *T,
    Tactic tactic = TACTIC_B2)
{
    if (I->size >= JMP_SIZE || !option_tactic_B2 || !canPatch(I))
        return nullptr;
    const Alloc *A = allocatePunnedJump(B, I, /*offset=*/0, I, T);
    if (A == nullptr)
        return nullptr;
    Patch *P = new Patch(I, tactic, A);
    patchJump(P, /*offset=*/0);
    return P;
}

/*
 * Tactic T1: replace the instruction with a prefixed punned jump.