本文整理汇总了C++中instruction::Ptr::getReadSet方法的典型用法代码示例。如果您正苦于以下问题：C++ Ptr::getReadSet方法的具体用法？C++ Ptr::getReadSet怎么用？C++ Ptr::getReadSet使用的例子？那么, 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instruction::Ptr的用法示例。
在下文中一共展示了Ptr::getReadSet方法的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C++代码示例。
示例1: calcRWSets
ReadWriteInfo LivenessAnalyzer::calcRWSets(Instruction::Ptr curInsn, Block* blk, Address a)
{
liveness_cerr << "calcRWSets for " << curInsn->format() << " @ " << hex << a << dec << endl;
ReadWriteInfo ret;
ret.read = abi->getBitArray();
ret.written = abi->getBitArray();
ret.insnSize = curInsn->size();
std::set<RegisterAST::Ptr> cur_read, cur_written;
curInsn->getReadSet(cur_read);
curInsn->getWriteSet(cur_written);
liveness_printf("Read registers: \n");
for (std::set<RegisterAST::Ptr>::const_iterator i = cur_read.begin();
i != cur_read.end(); i++)
{
MachRegister cur = (*i)->getID();
if (cur.getArchitecture() == Arch_ppc64)
cur = MachRegister((cur.val() & ~Arch_ppc64) | Arch_ppc32);
liveness_printf("\t%s \n", cur.name().c_str());
MachRegister base = cur.getBaseRegister();
if (cur == x86::flags || cur == x86_64::flags){
if (width == 4){
ret.read[getIndex(x86::of)] = true;
ret.read[getIndex(x86::cf)] = true;
ret.read[getIndex(x86::pf)] = true;
ret.read[getIndex(x86::af)] = true;
ret.read[getIndex(x86::zf)] = true;
ret.read[getIndex(x86::sf)] = true;
ret.read[getIndex(x86::df)] = true;
ret.read[getIndex(x86::tf)] = true;
ret.read[getIndex(x86::nt_)] = true;
}
else {
ret.read[getIndex(x86_64::of)] = true;
ret.read[getIndex(x86_64::cf)] = true;
ret.read[getIndex(x86_64::pf)] = true;
ret.read[getIndex(x86_64::af)] = true;
ret.read[getIndex(x86_64::zf)] = true;
ret.read[getIndex(x86_64::sf)] = true;
ret.read[getIndex(x86_64::df)] = true;
ret.read[getIndex(x86_64::tf)] = true;
ret.read[getIndex(x86_64::nt_)] = true;
}
}
else{
base = changeIfMMX(base);
ret.read[getIndex(base)] = true;
}
}
liveness_printf("Write Registers: \n");
for (std::set<RegisterAST::Ptr>::const_iterator i = cur_written.begin();
i != cur_written.end(); i++) {
MachRegister cur = (*i)->getID();
if (cur.getArchitecture() == Arch_ppc64)
cur = MachRegister((cur.val() & ~Arch_ppc64) | Arch_ppc32);
liveness_printf("\t%s \n", cur.name().c_str());
MachRegister base = cur.getBaseRegister();
if (cur == x86::flags || cur == x86_64::flags){
if (width == 4){
ret.written[getIndex(x86::of)] = true;
ret.written[getIndex(x86::cf)] = true;
ret.written[getIndex(x86::pf)] = true;
ret.written[getIndex(x86::af)] = true;
ret.written[getIndex(x86::zf)] = true;
ret.written[getIndex(x86::sf)] = true;
ret.written[getIndex(x86::df)] = true;
ret.written[getIndex(x86::tf)] = true;
ret.written[getIndex(x86::nt_)] = true;
}
else {
ret.written[getIndex(x86_64::of)] = true;
ret.written[getIndex(x86_64::cf)] = true;
ret.written[getIndex(x86_64::pf)] = true;
ret.written[getIndex(x86_64::af)] = true;
ret.written[getIndex(x86_64::zf)] = true;
ret.written[getIndex(x86_64::sf)] = true;
ret.written[getIndex(x86_64::df)] = true;
ret.written[getIndex(x86_64::tf)] = true;
ret.written[getIndex(x86_64::nt_)] = true;
}
}
else{
base = changeIfMMX(base);
ret.written[getIndex(base)] = true;
if ((cur != base && cur.size() < 4) || isMMX(base)) ret.read[getIndex(base)] = true;
}
}
InsnCategory category = curInsn->getCategory();
switch(category)
{
case c_CallInsn:
// Call instructions not at the end of a block are thunks, which are not ABI-compliant.
// So make conservative assumptions about what they may read (ABI) but don't assume they write anything.
ret.read |= (abi->getCallReadRegisters());
if(blk->lastInsnAddr() == a)
{
ret.written |= (abi->getCallWrittenRegisters());
}
break;
//.........这里部分代码省略.........