Examples with RegisterSpec com.taobao.android.dx.rop.code.RegisterSpec used on opensource projects

Example 61 with RegisterSpec

use of com.taobao.android.dx.rop.code.RegisterSpec in project atlas by alibaba.

the class HighRegisterPrefix method calculateInsnsIfNecessary.

/**
     * Helper for {@link #codeSize} and {@link #writeTo} which sets up
     * {@link #insns} if not already done.
     */
private void calculateInsnsIfNecessary() {
    if (insns != null) {
        return;
    }
    RegisterSpecList registers = getRegisters();
    int sz = registers.size();
    insns = new SimpleInsn[sz];
    for (int i = 0, outAt = 0; i < sz; i++) {
        RegisterSpec src = registers.get(i);
        insns[i] = moveInsnFor(src, outAt);
        outAt += src.getCategory();
    }
}

Example 62 with RegisterSpec

use of com.taobao.android.dx.rop.code.RegisterSpec in project atlas by alibaba.

the class HighRegisterPrefix method listingString0.

/** {@inheritDoc} */
@Override
protected String listingString0(boolean noteIndices) {
    RegisterSpecList registers = getRegisters();
    int sz = registers.size();
    StringBuffer sb = new StringBuffer(100);
    for (int i = 0, outAt = 0; i < sz; i++) {
        RegisterSpec src = registers.get(i);
        SimpleInsn insn = moveInsnFor(src, outAt);
        if (i != 0) {
            sb.append('\n');
        }
        sb.append(insn.listingString0(noteIndices));
        outAt += src.getCategory();
    }
    return sb.toString();
}

Example 63 with RegisterSpec

use of com.taobao.android.dx.rop.code.RegisterSpec in project atlas by alibaba.

the class InsnFormat method isRegListSequential.

/**
     * Helper method to determine if a list of registers are sequential,
     * including degenerate cases for empty or single-element lists.
     *
     * @param list {@code non-null;} the list of registers
     * @return {@code true} iff the list is sequentially ordered
     */
protected static boolean isRegListSequential(RegisterSpecList list) {
    int sz = list.size();
    if (sz < 2) {
        return true;
    }
    int first = list.get(0).getReg();
    int next = first;
    for (int i = 0; i < sz; i++) {
        RegisterSpec one = list.get(i);
        if (one.getReg() != next) {
            return false;
        }
        next += one.getCategory();
    }
    return true;
}

Example 64 with RegisterSpec

use of com.taobao.android.dx.rop.code.RegisterSpec in project atlas by alibaba.

the class LocalList method make.

/**
     * Constructs an instance for the given method, based on the given
     * block order and intermediate local information.
     *
     * @param insns {@code non-null;} instructions to convert
     * @return {@code non-null;} the constructed list
     */
public static LocalList make(DalvInsnList insns) {
    int sz = insns.size();
    /*
         * Go through the insn list, looking for all the local
         * variable pseudoinstructions, splitting out LocalSnapshots
         * into separate per-variable starts, adding explicit ends
         * wherever a variable is replaced or moved, and collecting
         * these and all the other local variable "activity"
         * together into an output list (without the other insns).
         *
         * Note: As of this writing, this method won't be handed any
         * insn lists that contain local ends, but I (danfuzz) expect
         * that to change at some point, when we start feeding that
         * info explicitly into the rop layer rather than only trying
         * to infer it. So, given that expectation, this code is
         * written to deal with them.
         */
    MakeState state = new MakeState(sz);
    for (int i = 0; i < sz; i++) {
        DalvInsn insn = insns.get(i);
        if (insn instanceof LocalSnapshot) {
            RegisterSpecSet snapshot = ((LocalSnapshot) insn).getLocals();
            state.snapshot(insn.getAddress(), snapshot);
        } else if (insn instanceof LocalStart) {
            RegisterSpec local = ((LocalStart) insn).getLocal();
            state.startLocal(insn.getAddress(), local);
        }
    }
    LocalList result = state.finish();
    if (DEBUG) {
        debugVerify(result);
    }
    return result;
}

Example 65 with RegisterSpec

use of com.taobao.android.dx.rop.code.RegisterSpec in project atlas by alibaba.

the class LocalSnapshot method listingString0.

/** {@inheritDoc} */
@Override
protected String listingString0(boolean noteIndices) {
    int sz = locals.size();
    int max = locals.getMaxSize();
    StringBuffer sb = new StringBuffer(100 + sz * 40);
    sb.append("local-snapshot");
    for (int i = 0; i < max; i++) {
        RegisterSpec spec = locals.get(i);
        if (spec != null) {
            sb.append("\n  ");
            sb.append(LocalStart.localString(spec));
        }
    }
    return sb.toString();
}