本文整理汇总了Java中org.jf.dexlib2.builder.BuilderOffsetInstruction类的典型用法代码示例。如果您正苦于以下问题:Java BuilderOffsetInstruction类的具体用法?Java BuilderOffsetInstruction怎么用?Java BuilderOffsetInstruction使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
BuilderOffsetInstruction类属于org.jf.dexlib2.builder包,在下文中一共展示了BuilderOffsetInstruction类的1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: fixLongJumps
import org.jf.dexlib2.builder.BuilderOffsetInstruction; //导入依赖的package包/类
private void fixLongJumps(List<BuilderInstruction> instructions,
LabelAssigner labelAssigner, StmtVisitor stmtV) {
boolean hasChanged = true;
l0 : while (hasChanged) {
hasChanged = false;
// Build a mapping between labels and offsets
Map<Label, Integer> labelToInsOffset = new HashMap<Label, Integer>();
for (int i = 0; i < instructions.size(); i++) {
BuilderInstruction bi = instructions.get(i);
Stmt origStmt = stmtV.getStmtForInstruction(bi);
if (origStmt != null) {
Label lbl = labelAssigner.getLabelUnsafe(origStmt);
if (lbl != null) {
labelToInsOffset.put(lbl, i);
}
}
}
// Look for references to labels
for (int j = 0; j < instructions.size(); j++) {
BuilderInstruction bj = instructions.get(j);
if (bj instanceof BuilderOffsetInstruction) {
BuilderOffsetInstruction boj = (BuilderOffsetInstruction) bj;
Label targetLbl = boj.getTarget();
Integer offset = labelToInsOffset.get(targetLbl);
if (offset == null)
continue;
// Compute the distance between the instructions
Insn jumpInsn = stmtV.getInsnForInstruction(boj);
if (jumpInsn instanceof InsnWithOffset) {
InsnWithOffset offsetInsn = (InsnWithOffset) jumpInsn;
int distance = getDistanceBetween(instructions, j, offset);
if (Math.abs(distance) > offsetInsn.getMaxJumpOffset()) {
// We need intermediate jumps
insertIntermediateJump(offset, j, stmtV, instructions,
labelAssigner);
hasChanged = true;
continue l0;
}
}
}
}
}
}