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Code Issues Releases Wiki Activity

Local collision warnings in SLEIGH

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This commit is contained in:
caheckman 2019-08-15 12:22:12 -04:00
commit bac68e5949
14 changed files with 340 additions and 42 deletions
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13
Ghidra/Features/Decompiler/src/decompile/cpp/semantics.cc
View file

@ -797,6 +797,19 @@ int4 ConstructTpl::fillinBuild(vector<int4> &check,AddrSpace *const_space)
return 0;
}
bool ConstructTpl::buildOnly(void) const
{
vector<OpTpl *>::const_iterator iter;
OpTpl *op;
for(iter=vec.begin();iter!=vec.end();++iter) {
op = *iter;
if (op->getOpcode() != BUILD)
return false;
}
return true;
}
void ConstructTpl::changeHandleIndex(const vector<int4> &handmap)
{

1
Ghidra/Features/Decompiler/src/decompile/cpp/semantics.hh
View file

@ -178,6 +178,7 @@ public:
bool addOpList(const vector<OpTpl *> &oplist);
void setResult(HandleTpl *t) { result = t; }
int4 fillinBuild(vector<int4> &check,AddrSpace *const_space);
bool buildOnly(void) const;
void changeHandleIndex(const vector<int4> &handmap);
void setInput(VarnodeTpl *vn,int4 index,int4 slot);
void setOutput(VarnodeTpl *vn,int4 index);

101
Ghidra/Features/Decompiler/src/decompile/cpp/slgh_compile.cc
View file

@ -1463,6 +1463,7 @@ SleighCompile::SleighCompile(void)
warnunnecessarypcode = false;
warndeadtemps = false;
lenientconflicterrors = true;
warnalllocalcollisions = false;
warnallnops = false;
root = (SubtableSymbol *)0;
}
@ -1620,6 +1621,74 @@ void SleighCompile::checkConsistency(void)
}
}
int4 SleighCompile::findCollision(map<uintb,int4> &local2Operand,const vector<uintb> &locals,int operand)
{
for(int4 i=0;i<locals.size();++i) {
pair<map<uintb,int4>::iterator,bool> res;
res = local2Operand.insert(pair<uintb,int4>(locals[i],operand));
if (!res.second) {
int4 oldIndex = (*res.first).second;
if (oldIndex != operand)
return oldIndex;
}
}
return -1;
}
bool SleighCompile::checkLocalExports(Constructor *ct)
{
if (ct->getTempl() == (ConstructTpl *)0)
return true; // No template, collisions impossible
if (ct->getTempl()->buildOnly())
return true; // Operand exports aren't manipulated, so no collision is possible
if (ct->getNumOperands() < 2)
return true; // Collision can only happen with multiple operands
bool noCollisions = true;
map<uintb,int4> collect;
for(int4 i=0;i<ct->getNumOperands();++i) {
vector<uintb> newCollect;
ct->getOperand(i)->collectLocalValues(newCollect);
if (newCollect.empty()) continue;
int4 collideOperand = findCollision(collect, newCollect, i);
if (collideOperand >= 0) {
noCollisions = false;
if (warnalllocalcollisions) {
cerr << "Possible collision with symbols ";
cerr << ct->getOperand(collideOperand)->getName();
cerr << " and " << ct->getOperand(i)->getName();
cerr << " in constructor starting at line " << dec << ct->getLineno() << endl;
}
break; // Don't continue
}
}
return noCollisions;
}
void SleighCompile::checkLocalCollisions(void)
{
int4 collisionCount = 0;
SubtableSymbol *sym = root; // Start with the instruction table
int4 i = -1;
for(;;) {
int4 numconst = sym->getNumConstructors();
for(int4 j=0;j<numconst;++j) {
if (!checkLocalExports(sym->getConstructor(j)))
collisionCount += 1;
}
i+=1;
if (i>=tables.size()) break;
sym = tables[i];
}
if (collisionCount > 0) {
cerr << "WARNING: " << dec << collisionCount << " constructors with local collisions between operands" << endl;
if (!warnalllocalcollisions)
cerr << "Use -c switch to list each individually" << endl;
}
}
void SleighCompile::checkNops(void)
{
@ -1701,6 +1770,8 @@ void SleighCompile::process(void)
if (errors>0) return;
checkConsistency();
if (errors>0) return;
checkLocalCollisions();
if (errors>0) return;
buildPatterns();
if (errors>0) return;
buildDecisionTrees();
@ -2690,7 +2761,8 @@ static void findSlaSpecs(vector<string> &res, const string &dir, const string &s
}
}
static void initCompiler(SleighCompile &compiler, map<string,string> &defines, bool enableUnnecessaryPcodeWarning, bool disableLenientConflict,
static void initCompiler(SleighCompile &compiler, map<string,string> &defines, bool enableUnnecessaryPcodeWarning,
bool disableLenientConflict, bool enableAllCollisionWarning,
bool enableAllNopWarning,bool enableDeadTempWarning,bool enforceLocalKeyWord)
{
@ -2698,22 +2770,19 @@ static void initCompiler(SleighCompile &compiler, map<string,string> &defines, b
for (iter = defines.begin(); iter != defines.end(); iter++) {
compiler.setPreprocValue((*iter).first, (*iter).second);
}
if (enableUnnecessaryPcodeWarning) {
if (enableUnnecessaryPcodeWarning)
compiler.setUnnecessaryPcodeWarning(true);
}
if (disableLenientConflict) {
if (disableLenientConflict)
compiler.setLenientConflict(false);
}
if (enableAllNopWarning) {
if (enableAllCollisionWarning)
compiler.setLocalCollisionWarning( true );
if (enableAllNopWarning)
compiler.setAllNopWarning( true );
}
if (enableDeadTempWarning) {
if (enableDeadTempWarning)
compiler.setDeadTempWarning(true);
}
if (enforceLocalKeyWord) {
if (enforceLocalKeyWord)
compiler.setEnforceLocalKeyWord(true);
}
}
static void segvHandler(int sig) {
exit(1); // Just die - prevents OS from popping-up a dialog
@ -2739,6 +2808,7 @@ int main(int argc,char **argv)
cerr << " -n print warnings for all NOP constructors" << endl;
cerr << " -t print warnings for dead temporaries" << endl;
cerr << " -e enforce use of 'local' keyword for temporaries" << endl;
cerr << " -c print warnings for all constructors with colliding operands" << endl;
cerr << " -DNAME=VALUE defines a preprocessor macro NAME with value VALUE" << endl;
exit(2);
}
@ -2748,6 +2818,7 @@ int main(int argc,char **argv)
map<string,string> defines;
bool enableUnnecessaryPcodeWarning = false;
bool disableLenientConflict = false;
bool enableAllCollisionWarning = false;
bool enableAllNopWarning = false;
bool enableDeadTempWarning = false;
bool enforceLocalKeyWord = false;
@ -2774,6 +2845,8 @@ int main(int argc,char **argv)
enableUnnecessaryPcodeWarning = true;
else if (argv[i][1] == 'l')
disableLenientConflict = true;
else if (argv[i][1] == 'c')
enableAllCollisionWarning = true;
else if (argv[i][1] == 'n')
enableAllNopWarning = true;
else if (argv[1][1] == 't')
@ -2811,7 +2884,8 @@ int main(int argc,char **argv)
sla.replace(slaspec.length() - slaspecExtLen, slaspecExtLen, SLAEXT);
SleighCompile compiler;
initCompiler(compiler, defines, enableUnnecessaryPcodeWarning,
disableLenientConflict, enableAllNopWarning, enableDeadTempWarning, enforceLocalKeyWord);
disableLenientConflict, enableAllCollisionWarning, enableAllNopWarning,
enableDeadTempWarning, enforceLocalKeyWord);
retval = run_compilation(slaspec.c_str(),sla.c_str(),compiler);
if (retval != 0) {
return retval; // stop on first error
@ -2844,7 +2918,8 @@ int main(int argc,char **argv)
SleighCompile compiler;
initCompiler(compiler, defines, enableUnnecessaryPcodeWarning,
disableLenientConflict, enableAllNopWarning, enableDeadTempWarning, enforceLocalKeyWord);
disableLenientConflict, enableAllCollisionWarning, enableAllNopWarning,
enableDeadTempWarning, enforceLocalKeyWord);
if (i < argc - 1) {
string fileoutExamine(argv[i+1]);

5
Ghidra/Features/Decompiler/src/decompile/cpp/slgh_compile.hh
View file

@ -195,6 +195,7 @@ private:
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
bool lenientconflicterrors; // True if we ignore most pattern conflict errors
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
int4 errors;
@ -203,6 +204,9 @@ private:
void buildDecisionTrees(void);
void buildPatterns(void);
void checkConsistency(void);
static int4 findCollision(map<uintb,int4> &local2Operand,const vector<uintb> &locals,int operand);
bool checkLocalExports(Constructor *ct);
void checkLocalCollisions(void);
void checkNops(void);
string checkSymbols(SymbolScope *scope);
void addSymbol(SleighSymbol *sym);
@ -224,6 +228,7 @@ public:
void setDeadTempWarning(bool val) { warndeadtemps = val; }
void setEnforceLocalKeyWord(bool val) { pcode.setEnforceLocalKey(val); }
void setLenientConflict(bool val) { lenientconflicterrors = val; }
void setLocalCollisionWarning(bool val) { warnalllocalcollisions = val; }
void setAllNopWarning(bool val) { warnallnops = val; }
void process(void);

44
Ghidra/Features/Decompiler/src/decompile/cpp/slghsymbol.cc
View file

@ -728,6 +728,13 @@ void VarnodeSymbol::getFixedHandle(FixedHandle &hand,ParserWalker &walker) const
hand.size = fix.size;
}
void VarnodeSymbol::collectLocalValues(vector<uintb> &results) const
{
if (fix.space->getType() == IPTR_INTERNAL)
results.push_back(fix.offset);
}
void VarnodeSymbol::saveXml(ostream &s) const
{
@ -1034,6 +1041,13 @@ void OperandSymbol::print(ostream &s,ParserWalker &walker) const
walker.popOperand();
}
void OperandSymbol::collectLocalValues(vector<uintb> &results) const
{
if (triple != (TripleSymbol *)0)
triple->collectLocalValues(results);
}
void OperandSymbol::saveXml(ostream &s) const
{
@ -1542,6 +1556,29 @@ void Constructor::markSubtableOperands(vector<int4> &check) const
}
}
void Constructor::collectLocalExports(vector<uintb> &results) const
{
if (templ == (ConstructTpl *)0) return;
HandleTpl *handle = templ->getResult();
if (handle == (HandleTpl *)0) return;
if (handle->getSpace().isConstSpace()) return; // Even if the value is dynamic, the pointed to value won't get used
if (handle->getPtrSpace().getType() != ConstTpl::real) {
if (handle->getTempSpace().isUniqueSpace())
results.push_back(handle->getTempOffset().getReal());
return;
}
if (handle->getSpace().isUniqueSpace()) {
results.push_back(handle->getPtrOffset().getReal());
return;
}
if (handle->getSpace().getType() == ConstTpl::handle) {
int4 handleIndex = handle->getSpace().getHandleIndex();
OperandSymbol *opSym = getOperand(handleIndex);
opSym->collectLocalValues(results);
}
}
bool Constructor::isRecursive(void) const
{ // Does this constructor cause recursion with its table
@ -1862,6 +1899,13 @@ SubtableSymbol::~SubtableSymbol(void)
delete *iter;
}
void SubtableSymbol::collectLocalValues(vector<uintb> &results) const
{
for(int4 i=0;i<construct.size();++i)
construct[i]->collectLocalExports(results);
}
void SubtableSymbol::saveXml(ostream &s) const
{

5
Ghidra/Features/Decompiler/src/decompile/cpp/slghsymbol.hh
View file

@ -152,6 +152,7 @@ public:
virtual void getFixedHandle(FixedHandle &hand,ParserWalker &walker) const=0;
virtual int4 getSize(void) const { return 0; } // Size out of context
virtual void print(ostream &s,ParserWalker &walker) const=0;
virtual void collectLocalValues(vector<uintb> &results) const {}
};
class FamilySymbol : public TripleSymbol {
@ -254,6 +255,7 @@ public:
virtual int4 getSize(void) const { return fix.size; }
virtual void print(ostream &s,ParserWalker &walker) const {
s << getName(); }
virtual void collectLocalValues(vector<uintb> &results) const;
virtual symbol_type getType(void) const { return varnode_symbol; }
virtual void saveXml(ostream &s) const;
virtual void saveXmlHeader(ostream &s) const;
@ -348,6 +350,7 @@ public:
virtual void getFixedHandle(FixedHandle &hnd,ParserWalker &walker) const;
virtual int4 getSize(void) const;
virtual void print(ostream &s,ParserWalker &walker) const;
virtual void collectLocalValues(vector<uintb> &results) const;
virtual symbol_type getType(void) const { return operand_symbol; }
virtual void saveXml(ostream &s) const;
virtual void saveXmlHeader(ostream &s) const;
@ -513,6 +516,7 @@ public:
(*iter)->apply(walker);
}
void markSubtableOperands(vector<int4> &check) const;
void collectLocalExports(vector<uintb> &results) const;
void setError(bool val) const { inerror = val; }
bool isError(void) const { return inerror; }
bool isRecursive(void) const;
@ -578,6 +582,7 @@ public:
virtual int4 getSize(void) const { return -1; }
virtual void print(ostream &s,ParserWalker &walker) const {
throw SleighError("Cannot use subtable in expression"); }
virtual void collectLocalValues(vector<uintb> &results) const;
virtual symbol_type getType(void) const { return subtable_symbol; }
virtual void saveXml(ostream &s) const;
virtual void saveXmlHeader(ostream &s) const;

20
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/semantics/ConstructTpl.java
View file

@ -1,6 +1,5 @@
/* ###
* IP: GHIDRA
* REVIEWED: YES
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,6 +15,11 @@
*/
package ghidra.pcodeCPort.semantics;
import java.io.PrintStream;
import java.util.*;
import org.jdom.Element;
import generic.stl.*;
import ghidra.pcodeCPort.opcodes.OpCode;
import ghidra.pcodeCPort.space.AddrSpace;
@ -24,11 +28,6 @@ import ghidra.pcodeCPort.utils.XmlUtils;
import ghidra.sleigh.grammar.Location;
import ghidra.sleigh.grammar.LocationUtil;
import java.io.PrintStream;
import java.util.*;
import org.jdom.Element;
public class ConstructTpl {
public final Location loc;
protected int delayslot;
@ -138,6 +137,15 @@ public class ConstructTpl {
return new Pair<Integer, Location>(0, null);
}
public boolean buildOnly() {
for (OpTpl op : vec) {
if (op.getOpcode() != OpCode.CPUI_MULTIEQUAL) {
return false;
}
}
return true;
}
public void changeHandleIndex(VectorSTL<Integer> handmap) {
IteratorSTL<OpTpl> iter;
for (iter = vec.begin(); !iter.isEnd(); iter.increment()) {

83
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slgh_compile/SleighCompile.java
View file

@ -255,6 +255,7 @@ public class SleighCompile extends SleighBase {
boolean warnunusedfields; // True if fields are defined but not used
boolean enforcelocalkeyword; // Force slaspec to use 'local' keyword when defining temporary varnodes
boolean lenientconflicterrors; // True if we ignore most pattern conflict errors
public boolean warnalllocalcollisions;
public boolean warnallnops;
public VectorSTL<String> noplist = new VectorSTL<>();
@ -517,6 +518,79 @@ public class SleighCompile extends SleighBase {
}
}
static int findCollision(Map<Long, Integer> local2Operand, ArrayList<Long> locals,
int operand) {
Integer boxOperand = Integer.valueOf(operand);
for (int i = 0; i < locals.size(); ++i) {
Integer previous = local2Operand.putIfAbsent(locals.get(i), boxOperand);
if (previous != null) {
if (previous.intValue() != operand) {
return previous.intValue();
}
}
}
return -1;
}
boolean checkLocalExports(Constructor ct) {
if (ct.getTempl() == null) {
return true; // No template, collisions impossible
}
if (ct.getTempl().buildOnly()) {
return true; // Operand exports aren't manipulated, so no collision is possible
}
if (ct.getNumOperands() < 2) {
return true; // Collisions can only happen with multiple operands
}
boolean noCollisions = true;
Map<Long, Integer> collect = new TreeMap<Long, Integer>();
for (int i = 0; i < ct.getNumOperands(); ++i) {
ArrayList<Long> newCollect = new ArrayList<Long>();
ct.getOperand(i).collectLocalValues(newCollect);
if (newCollect.isEmpty()) {
continue;
}
int collideOperand = findCollision(collect, newCollect, i);
if (collideOperand >= 0) {
noCollisions = false;
if (warnalllocalcollisions) {
Msg.warn(this, "Possible collision with symbol " +
ct.getOperand(collideOperand).getName() + " and " +
ct.getOperand(i).getName() + " in constructor from " + ct.getFilename() +
" starting at line " + Integer.toString(ct.getLineno()));
}
break; // Don't continue
}
}
return noCollisions;
}
void checkLocalCollisions() {
int collisionCount = 0;
SubtableSymbol sym = root; // Start with the instruction table
int i = -1;
for (;;) {
int numconst = sym.getNumConstructors();
for (int j = 0; j < numconst; ++j) {
if (!checkLocalExports(sym.getConstructor(j))) {
collisionCount += 1;
}
}
i += 1;
if (i >= tables.size()) {
break;
}
sym = tables.get(i);
}
if (collisionCount > 0) {
Msg.warn(this, "WARNING: " + Integer.toString(collisionCount) +
" constructors with local collisions between operands");
if (!warnalllocalcollisions) {
Msg.warn(this, "Use -c switch to list each individually");
}
}
}
// Make sure label symbols are used properly
String checkSymbols(SymbolScope scope) {
entry("checkSymbols", scope);
@ -638,6 +712,11 @@ public class SleighCompile extends SleighBase {
lenientconflicterrors = val;
}
void setLocalCollisionWarning(boolean val) {
entry("setLocalCollisionWarning", val);
warnalllocalcollisions = val;
}
void setAllNopWarning(boolean val) {
entry("setAllNopWarning", val);
warnallnops = val;
@ -656,6 +735,10 @@ public class SleighCompile extends SleighBase {
if (errors > 0) {
return;
}
checkLocalCollisions();
if (errors > 0) {
return;
}
buildPatterns();
if (errors > 0) {
return;

15
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slgh_compile/SleighCompileLauncher.java
View file

@ -47,14 +47,16 @@ public class SleighCompileLauncher implements GhidraLaunchable {
pathname -> pathname.getName().endsWith(".slaspec");
private static void initCompiler(SleighCompile compiler, Map<String, String> preprocs,
boolean unnecessaryPcodeWarning, boolean lenientConflict, boolean allNopWarning,
boolean deadTempWarning, boolean unusedFieldWarning, boolean enforceLocalKeyWord) {
boolean unnecessaryPcodeWarning, boolean lenientConflict, boolean allCollisionWarning,
boolean allNopWarning, boolean deadTempWarning, boolean unusedFieldWarning,
boolean enforceLocalKeyWord) {
Set<Entry<String, String>> entrySet = preprocs.entrySet();
for (Entry<String, String> entry : entrySet) {
compiler.setPreprocValue(entry.getKey(), entry.getValue());
}
compiler.setUnnecessaryPcodeWarning(unnecessaryPcodeWarning);
compiler.setLenientConflict(lenientConflict);
compiler.setLocalCollisionWarning(allCollisionWarning);
compiler.setAllNopWarning(allNopWarning);
compiler.setDeadTempWarning(deadTempWarning);
compiler.setUnusedFieldWarning(unusedFieldWarning);
@ -107,6 +109,7 @@ public class SleighCompileLauncher implements GhidraLaunchable {
Msg.info(SleighCompile.class, " -n print warnings for all NOP constructors");
Msg.info(SleighCompile.class, " -t print warnings for dead temporaries");
Msg.info(SleighCompile.class, " -e enforce use of 'local' keyword for temporaries");
Msg.info(SleighCompile.class, " -c print warnings for all constructors with colliding operands");
Msg.info(SleighCompile.class, " -f print warnings for unused token fields");
Msg.info(SleighCompile.class, " -DNAME=VALUE defines a preprocessor macro NAME with value VALUE (option may be repeated)");
Msg.info(SleighCompile.class, " -dMODULE defines a preprocessor macro MODULE with a value of its module path (option may be repeated)");
@ -117,6 +120,7 @@ public class SleighCompileLauncher implements GhidraLaunchable {
boolean unnecessaryPcodeWarning = false;
boolean lenientConflict = true;
boolean allCollisionWarning = false;
boolean allNopWarning = false;
boolean deadTempWarning = false;
boolean enforceLocalKeyWord = false;
@ -172,6 +176,9 @@ public class SleighCompileLauncher implements GhidraLaunchable {
else if (args[i].charAt(1) == 'l') {
lenientConflict = false;
}
else if (args[i].charAt(1) == 'c') {
allCollisionWarning = true;
}
else if (args[i].charAt(1) == 'n') {
allNopWarning = true;
}
@ -211,6 +218,7 @@ public class SleighCompileLauncher implements GhidraLaunchable {
System.out.println("Compiling " + input + ":");
SleighCompile compiler = new SleighCompile();
initCompiler(compiler, preprocs, unnecessaryPcodeWarning, lenientConflict,
allCollisionWarning,
allNopWarning, deadTempWarning, unusedFieldWarning, enforceLocalKeyWord);
String outname = input.getName().replace(".slaspec", ".sla");
@ -238,7 +246,8 @@ public class SleighCompileLauncher implements GhidraLaunchable {
// single file compile
SleighCompile compiler = new SleighCompile();
initCompiler(compiler, preprocs, unnecessaryPcodeWarning, lenientConflict, allNopWarning,
initCompiler(compiler, preprocs, unnecessaryPcodeWarning, lenientConflict,
allCollisionWarning, allNopWarning,
deadTempWarning, unusedFieldWarning, enforceLocalKeyWord);
if (i == args.length) {
Msg.error(SleighCompile.class, "Missing input file name");

36
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slghsymbol/Constructor.java
View file

@ -16,15 +16,16 @@
package ghidra.pcodeCPort.slghsymbol;
import java.io.PrintStream;
import java.util.Iterator;
import java.util.List;
import java.util.*;
import org.jdom.Element;
import generic.stl.IteratorSTL;
import generic.stl.VectorSTL;
import ghidra.pcodeCPort.context.*;
import ghidra.pcodeCPort.semantics.ConstTpl.const_type;
import ghidra.pcodeCPort.semantics.ConstructTpl;
import ghidra.pcodeCPort.semantics.HandleTpl;
import ghidra.pcodeCPort.sleighbase.SleighBase;
import ghidra.pcodeCPort.slghpatexpress.*;
import ghidra.pcodeCPort.utils.XmlUtils;
@ -132,6 +133,34 @@ public class Constructor {
}
}
public void collectLocalExports(ArrayList<Long> results) {
if (templ == null) {
return;
}
HandleTpl handle = templ.getResult();
if (handle == null) {
return;
}
if (handle.getSpace().isConstSpace()) {
return; // Even if the value is dynamic, the pointed to value won't get used
}
if (handle.getPtrSpace().getType() != const_type.real) {
if (handle.getTempSpace().isUniqueSpace()) {
results.add(handle.getTempOffset().getReal());
}
return;
}
if (handle.getSpace().isUniqueSpace()) {
results.add(handle.getPtrOffset().getReal());
return;
}
if (handle.getSpace().getType() == const_type.handle) {
int handleIndex = handle.getSpace().getHandleIndex();
OperandSymbol opSym = getOperand(handleIndex);
opSym.collectLocalValues(results);
}
}
public void setError(boolean val) {
inerror = val;
}
@ -570,8 +599,9 @@ public class Constructor {
// in bytes
OperandResolve resolve = new OperandResolve(operands);
if (!pateq.resolveOperandLeft(resolve))
if (!pateq.resolveOperandLeft(resolve)) {
throw new SleighError("Unable to resolve operand offsets", location);
}
// Unravel relative offsets to absolute (if possible)
for (int i = 0; i < operands.size(); ++i) {

19
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slghsymbol/OperandSymbol.java
View file

@ -1,6 +1,5 @@
/* ###
* IP: GHIDRA
* REVIEWED: YES
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,6 +15,12 @@
*/
package ghidra.pcodeCPort.slghsymbol;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import org.jdom.Element;
import ghidra.pcodeCPort.context.*;
import ghidra.pcodeCPort.semantics.VarnodeTpl;
import ghidra.pcodeCPort.sleighbase.SleighBase;
@ -24,11 +29,6 @@ import ghidra.pcodeCPort.slghpatexpress.PatternExpression;
import ghidra.pcodeCPort.utils.XmlUtils;
import ghidra.sleigh.grammar.Location;
import java.io.PrintStream;
import java.util.List;
import org.jdom.Element;
public class OperandSymbol extends SpecificSymbol {
public static final int code_address = 1;
@ -206,6 +206,13 @@ public class OperandSymbol extends SpecificSymbol {
pos.popOperand();
}
@Override
public void collectLocalValues(ArrayList<Long> results) {
if (triple != null) {
triple.collectLocalValues(results);
}
}
@Override
public void saveXml(PrintStream s) {
s.append("<operand_sym");

19
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slghsymbol/SubtableSymbol.java
View file

@ -1,6 +1,5 @@
/* ###
* IP: GHIDRA
* REVIEWED: YES
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,6 +15,11 @@
*/
package ghidra.pcodeCPort.slghsymbol;
import java.io.PrintStream;
import java.util.*;
import org.jdom.Element;
import generic.stl.IteratorSTL;
import generic.stl.VectorSTL;
import ghidra.pcodeCPort.context.*;
@ -27,12 +31,6 @@ import ghidra.pcodeCPort.slghpattern.Pattern;
import ghidra.pcodeCPort.utils.XmlUtils;
import ghidra.sleigh.grammar.Location;
import java.io.PrintStream;
import java.util.Iterator;
import java.util.List;
import org.jdom.Element;
public class SubtableSymbol extends TripleSymbol {
private TokenPattern pattern;
@ -99,6 +97,13 @@ public class SubtableSymbol extends TripleSymbol {
throw new SleighError("Cannot use subtable in expression", null);
}
@Override
public void collectLocalValues(ArrayList<Long> results) {
for (Constructor curConstruct : construct) {
curConstruct.collectLocalExports(results);
}
}
@Override
public symbol_type getType() {
return symbol_type.subtable_symbol;

10
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slghsymbol/TripleSymbol.java
View file

@ -1,6 +1,5 @@
/* ###
* IP: GHIDRA
* REVIEWED: YES
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -16,13 +15,14 @@
*/
package ghidra.pcodeCPort.slghsymbol;
import java.io.PrintStream;
import java.util.ArrayList;
import ghidra.pcodeCPort.context.FixedHandle;
import ghidra.pcodeCPort.context.ParserWalker;
import ghidra.pcodeCPort.slghpatexpress.PatternExpression;
import ghidra.sleigh.grammar.Location;
import java.io.PrintStream;
// This is the central sleigh object
public abstract class TripleSymbol extends SleighSymbol {
@ -44,6 +44,10 @@ public abstract class TripleSymbol extends SleighSymbol {
public abstract void print(PrintStream s, ParserWalker pos);
public void collectLocalValues(ArrayList<Long> results) {
// By default, assume symbol has no local exports
}
public Constructor resolve(ParserWalker pos) {
return null;
}

9
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcodeCPort/slghsymbol/VarnodeSymbol.java
View file

@ -16,6 +16,7 @@
package ghidra.pcodeCPort.slghsymbol;
import java.io.PrintStream;
import java.util.ArrayList;
import org.jdom.Element;
@ -27,6 +28,7 @@ import ghidra.pcodeCPort.semantics.ConstTpl;
import ghidra.pcodeCPort.semantics.VarnodeTpl;
import ghidra.pcodeCPort.sleighbase.SleighBase;
import ghidra.pcodeCPort.space.AddrSpace;
import ghidra.pcodeCPort.space.spacetype;
import ghidra.pcodeCPort.utils.XmlUtils;
import ghidra.sleigh.grammar.Location;
@ -57,6 +59,13 @@ public class VarnodeSymbol extends PatternlessSymbol {
s.append(getName());
}
@Override
public void collectLocalValues(ArrayList<Long> results) {
if (fix.space.getType() == spacetype.IPTR_INTERNAL) {
results.add(fix.offset);
}
}
@Override
public symbol_type getType() {
return symbol_type.varnode_symbol;