ghidra/Ghidra/Features/Decompiler/src/decompile/cpp/pcoderaw.cc
2020-01-23 14:36:34 -05:00

55 lines
1.9 KiB
C++

/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pcoderaw.hh"
#include "translate.hh"
/// Build this VarnodeData from an \b \<addr\> tag
/// \param el is the parsed tag
/// \param manage is the address space manager
void VarnodeData::restoreXml(const Element *el,const AddrSpaceManager *manage)
{
space = (AddrSpace *)0;
size = 0;
int4 num = el->getNumAttributes();
for(int4 i=0;i<num;++i) {
if (el->getAttributeName(i)=="space") {
space = manage->getSpaceByName(el->getAttributeValue(i));
if (space == (AddrSpace *)0)
throw LowlevelError("Unknown space name: "+el->getAttributeValue(i));
offset = space->restoreXmlAttributes(el,size);
return;
}
else if (el->getAttributeName(i)=="name") {
const Translate *trans = manage->getDefaultCodeSpace()->getTrans();
const VarnodeData &point(trans->getRegister(el->getAttributeValue(i)));
*this = point;
return;
}
}
}
/// Return \b true, if \b this, as an address range, contains the other address range
/// \param op2 is the other VarnodeData to test for containment
/// \return \b true if \b this contains the other
bool VarnodeData::contains(const VarnodeData &op2) const
{
if (space != op2.space) return false;
if (op2.offset < offset) return false;
if ((offset + (size-1)) < (op2.offset + (op2.size-1))) return false;
return true;
}