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GP-2563 SplitDatatype transformer

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This commit is contained in:
caheckman 2023-04-03 19:47:17 -04:00
parent 269ea1ae7a
commit bdf1314b4f
28 changed files with 1699 additions and 161 deletions
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43
Ghidra/Features/Decompiler/src/decompile/cpp/options.cc
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@ -54,6 +54,7 @@ ElementId ELEM_PARAM3 = ElementId("param3",204);
ElementId ELEM_PROTOEVAL = ElementId("protoeval",205);
ElementId ELEM_SETACTION = ElementId("setaction",206);
ElementId ELEM_SETLANGUAGE = ElementId("setlanguage",207);
ElementId ELEM_SPLITDATATYPE = ElementId("splitdatatype",270);
ElementId ELEM_STRUCTALIGN = ElementId("structalign",208);
ElementId ELEM_TOGGLERULE = ElementId("togglerule",209);
ElementId ELEM_WARNING = ElementId("warning",210);
@ -124,6 +125,7 @@ OptionDatabase::OptionDatabase(Architecture *g)
registerOption(new OptionAliasBlock());
registerOption(new OptionMaxInstruction());
registerOption(new OptionNamespaceStrategy());
registerOption(new OptionSplitDatatypes());
}
OptionDatabase::~OptionDatabase(void)
@ -920,4 +922,45 @@ string OptionNamespaceStrategy::apply(Architecture *glb,const string &p1,const s
return "Namespace strategy set";
}
/// Possible value are:
/// - (empty string) = 0
/// - "struct" = 1
/// - "array" = 2
/// - "pointer" = 4
///
/// \param val is the option string
/// \return the corresponding configuration bit
uint4 OptionSplitDatatypes::getOptionBit(const string &val)
{
if (val.size() == 0) return 0;
if (val == "struct") return option_struct;
if (val == "array") return option_array;
if (val == "pointer") return option_pointer;
throw LowlevelError("Unknown data-type split option: "+val);
}
string OptionSplitDatatypes::apply(Architecture *glb,const string &p1,const string &p2,const string &p3) const
{
uint4 oldConfig = glb->split_datatype_config;
glb->split_datatype_config = getOptionBit(p1);
glb->split_datatype_config |= getOptionBit(p2);
glb->split_datatype_config |= getOptionBit(p3);
if ((glb->split_datatype_config & (option_struct | option_array)) == 0) {
glb->allacts.toggleAction(glb->allacts.getCurrentName(),"splitcopy",false);
glb->allacts.toggleAction(glb->allacts.getCurrentName(),"splitpointer",false);
}
else {
bool pointers = (glb->split_datatype_config & option_pointer) != 0;
glb->allacts.toggleAction(glb->allacts.getCurrentName(),"splitcopy",true);
glb->allacts.toggleAction(glb->allacts.getCurrentName(),"splitpointer",pointers);
}
if (oldConfig == glb->split_datatype_config)
return "Split data-type configuration unchanged";
return "Split data-type configuration set";
}
} // End namespace ghidra