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GP-4733 Heap strings

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caheckman 2024-06-26 19:47:48 +00:00
parent 265f0072f3
commit 9a416877e8
11 changed files with 770 additions and 240 deletions
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Ghidra/Features/Decompiler/src/decompile/cpp/subflow.hh
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@ -173,7 +173,7 @@ class SplitDatatype {
Varnode *firstPointer; ///< Direct pointer input for LOAD or STORE
Varnode *pointer; ///< The root pointer
int4 baseOffset; ///< Offset of the LOAD or STORE relative to root pointer
bool backUpPointer(void); ///< Follow flow of \b pointer back thru INT_ADD or PTRSUB
bool backUpPointer(Datatype *impliedBase); ///< Follow flow of \b pointer back thru INT_ADD or PTRSUB
public:
bool find(PcodeOp *op,Datatype *valueType); ///< Locate root pointer for underlying LOAD or STORE
void freePointerChain(Funcdata &data); ///< Remove unused pointer calculations
@ -183,6 +183,7 @@ class SplitDatatype {
vector<Component> dataTypePieces; ///< Sequence of all data-type pairs being copied
bool splitStructures; ///< Whether or not structures should be split
bool splitArrays; ///< Whether or not arrays should be split
bool isLoadStore; ///< True if trying to split LOAD or STORE
Datatype *getComponent(Datatype *ct,int4 offset,bool &isHole);
int4 categorizeDatatype(Datatype *ct); ///< Categorize if and how data-type should be split
bool testDatatypeCompatibility(Datatype *inBase,Datatype *outBase,bool inConstant);