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GP-2767 Structured pieces

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This commit is contained in:
caheckman 2022-10-27 16:43:58 -04:00
parent b707c2ea6b
commit 535ac7c08d
29 changed files with 834 additions and 210 deletions
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6
Ghidra/Features/Decompiler/src/decompile/cpp/merge.hh
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@ -81,6 +81,7 @@ class Merge {
Funcdata &data; ///< The function containing the Varnodes to be merged
map<HighEdge,bool> highedgemap; ///< A cache of intersection tests, sorted by HighVariable pair
vector<PcodeOp *> copyTrims; ///< COPY ops inserted to facilitate merges
vector<PcodeOp *> protoPartial; ///< Roots of unmapped CONCAT trees
bool updateHigh(HighVariable *a); ///< Make sure given HighVariable's Cover is up-to-date
void purgeHigh(HighVariable *high); ///< Remove cached intersection tests for a given HighVariable
static void gatherBlockVarnodes(HighVariable *a,int4 blk,const Cover &cover,vector<Varnode *> &res);
@ -89,6 +90,7 @@ class Merge {
static bool mergeTestRequired(HighVariable *high_out,HighVariable *high_in);
static bool mergeTestAdjacent(HighVariable *high_out,HighVariable *high_in);
static bool mergeTestSpeculative(HighVariable *high_out,HighVariable *high_in);
static void mergeTestMust(Varnode *vn);
static bool mergeTestBasic(Varnode *vn);
static void findSingleCopy(HighVariable *high,vector<Varnode *> &singlelist);
static bool compareHighByBlock(const HighVariable *a,const HighVariable *b);
@ -116,8 +118,10 @@ class Merge {
void markRedundantCopies(HighVariable *high,vector<PcodeOp *> &copy,int4 pos,int4 size);
void processHighDominantCopy(HighVariable *high);
void processHighRedundantCopy(HighVariable *high);
void groupPartialRoot(Varnode *vn);
public:
Merge(Funcdata &fd) : data(fd) {} ///< Construct given a specific function
void clear(void);
bool intersection(HighVariable *a,HighVariable *b);
bool inflateTest(Varnode *a,HighVariable *high);
void inflate(Varnode *a,HighVariable *high);
@ -127,11 +131,13 @@ public:
void mergeByDatatype(VarnodeLocSet::const_iterator startiter,VarnodeLocSet::const_iterator enditer);
void mergeAddrTied(void);
void mergeMarker(void);
void groupPartials(void);
void mergeAdjacent(void);
void mergeMultiEntry(void);
bool hideShadows(HighVariable *high);
void processCopyTrims(void);
void markInternalCopies(void);
void registerProtoPartialRoot(Varnode *vn);
#ifdef MERGEMULTI_DEBUG
void verifyHighCovers(void);
#endif