本文整理汇总了Java中com.android.dx.rop.code.Insn.getPosition方法的典型用法代码示例。如果您正苦于以下问题:Java Insn.getPosition方法的具体用法?Java Insn.getPosition怎么用?Java Insn.getPosition使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.android.dx.rop.code.Insn
的用法示例。
在下文中一共展示了Insn.getPosition方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setupArrays
import com.android.dx.rop.code.Insn; //导入方法依赖的package包/类
/**
* Sets up the address arrays.
*/
private void setupArrays(RopMethod method) {
BasicBlockList blocks = method.getBlocks();
int sz = blocks.size();
for (int i = 0; i < sz; i++) {
BasicBlock one = blocks.get(i);
int label = one.getLabel();
Insn insn = one.getInsns().get(0);
starts[label] = new CodeAddress(insn.getPosition());
SourcePosition pos = one.getLastInsn().getPosition();
lasts[label] = new CodeAddress(pos);
ends[label] = new CodeAddress(pos);
}
}
示例2: outputBlock
import com.android.dx.rop.code.Insn; //导入方法依赖的package包/类
/**
* Helper for {@link #outputInstructions}, which does the processing
* and output of one block.
*
* @param block {@code non-null;} the block to process and output
* @param nextLabel {@code >= -1;} the next block that will be processed, or
* {@code -1} if there is no next block
*/
private void outputBlock(BasicBlock block, int nextLabel) {
// Append the code address for this block.
CodeAddress startAddress = addresses.getStart(block);
output.add(startAddress);
// Append the local variable state for the block.
if (locals != null) {
RegisterSpecSet starts = locals.getStarts(block);
output.add(new LocalSnapshot(startAddress.getPosition(),
starts));
}
/*
* Choose and append an output instruction for each original
* instruction.
*/
translationVisitor.setBlock(block, addresses.getLast(block));
block.getInsns().forEach(translationVisitor);
// Insert the block end code address.
output.add(addresses.getEnd(block));
// Set up for end-of-block activities.
int succ = block.getPrimarySuccessor();
Insn lastInsn = block.getLastInsn();
/*
* Check for (and possibly correct for) a non-optimal choice of
* which block will get output next.
*/
if ((succ >= 0) && (succ != nextLabel)) {
/*
* The block has a "primary successor" and that primary
* successor isn't the next block to be output.
*/
Rop lastRop = lastInsn.getOpcode();
if ((lastRop.getBranchingness() == Rop.BRANCH_IF) &&
(block.getSecondarySuccessor() == nextLabel)) {
/*
* The block ends with an "if" of some sort, and its
* secondary successor (the "then") is in fact the
* next block to output. So, reverse the sense of
* the test, so that we can just emit the next block
* without an interstitial goto.
*/
output.reverseBranch(1, addresses.getStart(succ));
} else {
/*
* Our only recourse is to add a goto here to get the
* flow to be correct.
*/
TargetInsn insn =
new TargetInsn(Dops.GOTO, lastInsn.getPosition(),
RegisterSpecList.EMPTY,
addresses.getStart(succ));
output.add(insn);
}
}
}