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GP-2157 Marshaling refactor. Decompiler side.

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This commit is contained in:
caheckman 2022-05-17 16:15:21 -04:00
parent 672c1f11e2
commit d8c10bf229
97 changed files with 5313 additions and 3733 deletions
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44
Ghidra/Features/Decompiler/src/decompile/cpp/variable.cc
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@ -17,6 +17,12 @@
#include "op.hh"
#include "database.hh"
AttributeId ATTRIB_CLASS = AttributeId("class",126);
AttributeId ATTRIB_REPREF = AttributeId("repref",127);
AttributeId ATTRIB_SYMREF = AttributeId("symref",128);
ElementId ELEM_HIGH = ElementId("high",205);
/// The new instance starts off with no associate Symbol and all properties marked as \e dirty.
/// \param vn is the single Varnode member
HighVariable::HighVariable(Varnode *vn)
@ -451,44 +457,42 @@ int4 HighVariable::instanceIndex(const Varnode *vn) const
return -1;
}
/// \param s is the output stream to write XML to
void HighVariable::saveXml(ostream &s) const
/// \param encoder is the stream encoder
void HighVariable::encode(Encoder &encoder) const
{
Varnode *vn = getNameRepresentative(); // Get representative varnode
s << "<high ";
// a_v(s,"name",high->getName());
a_v_u(s,"repref",vn->getCreateIndex());
encoder.openElement(ELEM_HIGH);
encoder.writeUnsignedInteger(ATTRIB_REPREF, vn->getCreateIndex());
if (isSpacebase()||isImplied()) // This is a special variable
a_v(s,"class",string("other"));
encoder.writeString(ATTRIB_CLASS, "other");
else if (isPersist()&&isAddrTied()) // Global variable
a_v(s,"class",string("global"));
encoder.writeString(ATTRIB_CLASS, "global");
else if (isConstant())
a_v(s,"class",string("constant"));
encoder.writeString(ATTRIB_CLASS, "constant");
else if (!isPersist() && (symbol != (Symbol *)0)) {
if (symbol->getCategory() == Symbol::function_parameter)
a_v(s,"class",string("param"));
encoder.writeString(ATTRIB_CLASS, "param");
else
a_v(s,"class",string("local"));
encoder.writeString(ATTRIB_CLASS, "local");
}
else {
a_v(s,"class",string("other"));
encoder.writeString(ATTRIB_CLASS, "other");
}
if (isTypeLock())
a_v_b(s,"typelock",true);
encoder.writeBool(ATTRIB_TYPELOCK, true);
if (symbol != (Symbol *)0) {
a_v_u(s,"symref",symbol->getId());
encoder.writeUnsignedInteger(ATTRIB_SYMREF, symbol->getId());
if (symboloffset >= 0)
a_v_i(s, "offset", symboloffset);
encoder.writeSignedInteger(ATTRIB_OFFSET, symboloffset);
}
s << '>';
getType()->saveXml(s);
getType()->encode(encoder);
for(int4 j=0;j<inst.size();++j) {
s << "<addr ";
a_v_u(s,"ref",inst[j]->getCreateIndex());
s << "/>";
encoder.openElement(ELEM_ADDR);
encoder.writeUnsignedInteger(ATTRIB_REF, inst[j]->getCreateIndex());
encoder.closeElement(ELEM_ADDR);
}
s << "</high>";
encoder.closeElement(ELEM_HIGH);
}
/// Given a Varnode at the root of an expression, we collect all the \e explicit HighVariables