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Code Issues Releases Wiki Activity

A first cut at normalizing the structure of sleigh error messages

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This commit is contained in:
caheckman 2019-09-19 15:59:07 -04:00
parent b0609a1cb3
commit 0ed1540e3a
22 changed files with 661 additions and 408 deletions
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33
Ghidra/Features/Decompiler/src/decompile/cpp/slgh_compile.hh
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@ -78,6 +78,8 @@ public:
static SubtableSymbol *getCurrentSubtable(const list<WithBlock> &stack);
};
class SleighCompile;
class ConsistencyChecker {
struct OptimizeRecord {
int4 writeop;
@ -91,6 +93,7 @@ class ConsistencyChecker {
OptimizeRecord(void) {
writeop = -1; readop = -1; inslot=-1; writecount=0; readcount=0; writesection=-2; readsection=-2; opttype=-1; }
};
SleighCompile *slgh;
int4 unnecessarypcode;
int4 readnowrite;
int4 writenoread;
@ -99,6 +102,8 @@ class ConsistencyChecker {
SubtableSymbol *root_symbol;
vector<SubtableSymbol *> postorder;
map<SubtableSymbol *,int4> sizemap; // Sizes associated with tables
void reportError(const Location* loc, const string &msg);
void reportWarning(const Location* loc, const string &msg);
OperandSymbol *getOperandSymbol(int4 slot,OpTpl *op,Constructor *ct);
void printOpName(ostream &s,OpTpl *op);
void printOpError(OpTpl *op,Constructor *ct,int4 err1,int4 err2,const string &message);
@ -124,7 +129,7 @@ class ConsistencyChecker {
void checkUnusedTemps(Constructor *ct,const map<uintb,OptimizeRecord> &recs);
void optimize(Constructor *ct);
public:
ConsistencyChecker(SubtableSymbol *rt,bool unnecessary,bool warndead);
ConsistencyChecker(SleighCompile *sleigh, SubtableSymbol *rt,bool unnecessary,bool warndead);
bool test(void);
bool testTruncations(bool isbigendian);
void optimizeAll(void);
@ -140,8 +145,6 @@ struct FieldContext {
FieldContext(VarnodeSymbol *s,FieldQuality *q) { sym=s; qual=q; }
};
class SleighCompile;
class MacroBuilder : public PcodeBuilder {
SleighCompile *slgh;
bool haserror;
@ -150,7 +153,7 @@ class MacroBuilder : public PcodeBuilder {
bool transferOp(OpTpl *op,vector<HandleTpl *> &params);
virtual void dump( OpTpl *op );
void free(void);
void reportError(const string &val);
void reportError(const Location* loc, const string &val);
public:
MacroBuilder(SleighCompile *sl,vector<OpTpl *> &ovec,uint4 lbcnt) : PcodeBuilder(lbcnt),outvec(ovec) {
slgh = sl; haserror = false; }
@ -166,7 +169,9 @@ public:
class SleighPcode : public PcodeCompile {
SleighCompile *compiler;
virtual uintb allocateTemp(void);
virtual void reportError(const string &msg);
virtual const Location *getLocation(SleighSymbol *sym) const;
virtual void reportError(const Location* loc, const string &msg);
virtual void reportWarning(const Location* loc, const string &msg);
virtual void addSymbol(SleighSymbol *sym);
public:
SleighPcode(void) : PcodeCompile() { compiler = (SleighCompile *)0; }
@ -191,6 +196,8 @@ private:
vector<string> relpath; // Relative path (to cwd) for each filename
vector<string> filename; // Stack of current files being parsed
vector<int4> lineno; // Current line number for each file in stack
map<Constructor *, Location> ctorLocationMap; // Map constructor to its defining parse location
map<SleighSymbol *, Location> symbolLocationMap; // Map symbol to its defining parse location
int4 userop_count; // Number of userops defined
bool warnunnecessarypcode; // True if we warn of unnecessary ZEXT or SEXT
bool warndeadtemps; // True if we warn of temporaries that are written but not read
@ -198,7 +205,10 @@ private:
bool warnalllocalcollisions; // True if local export collisions generate individual warnings
bool warnallnops; // True if pcode NOPs generate individual warnings
vector<string> noplist; // List of individual NOP warnings
mutable Location currentLocCache; // Location for (last) request of current location
int4 errors;
const Location* getCurrentLocation(void) const;
void predefinedSymbols(void);
int4 calcContextVarLayout(int4 start,int4 sz,int4 numbits);
void buildDecisionTrees(void);
@ -220,9 +230,18 @@ private:
void checkUniqueAllocation(void);
public:
SleighCompile(void);
void reportError(const string &msg,bool includeline);
void reportWarning(const string &msg,bool includeline);
const Location *getLocation(Constructor* ctor) const;
const Location *getLocation(SleighSymbol *sym) const;
string formatStatusMessage(const Location* loc, const string &msg);
void reportError(const string &msg);
void reportError(const Location *loc, const string &msg);
void reportWarning(const string &msg);
void reportWarning(const Location *loc, const string &msg);
int4 numErrors(void) const { return errors; }
void reportInfo(const string &msg);
void reportInfo(const Location *loc, const string &msg);
uintb getUniqueAddr(void);
void setUnnecessaryPcodeWarning(bool val) { warnunnecessarypcode = val; }
void setDeadTempWarning(bool val) { warndeadtemps = val; }