/**
* class: SgClassType
* term: class_type(name,type,scope)
* arg name: name of the class
* arg type: type enum of the class (class/struct/union)
* arg scope: name of the scope
*/
PrologCompTerm*
RoseToTerm::getClassTypeSpecific(SgType* mtype) {
/*make sure we are actually dealing with a class type*/
SgClassType* ctype = isSgClassType(mtype);
ROSE_ASSERT(ctype != NULL);
SgClassDeclaration* d = isSgClassDeclaration(ctype->get_declaration());
ROSE_ASSERT(d != NULL);
return new PrologCompTerm
("class_type", //3,
/*add base type*/
new PrologAtom(ctype->get_name().str()),
/* what kind of class is this?*/
getEnum(d->get_class_type(), re.class_types),
/* add qualified name of scope*/
new PrologAtom
(d->get_scope()->get_scope()->get_qualified_name().getString()));
}
void instr(SgProject* project, Rose_STL_Container<SgType*> types)
{
SgGlobal* global = SI::getFirstGlobalScope(project);
std::string prefix("rtc_ti_"); //struct prefix
std::string ti_type_str("struct rtc_typeinfo*");
SgType* ti_type = SB::buildOpaqueType(ti_type_str,global);
//Insert declarations from the typechecking library.
//void minalloc_check(unsigned long long addr)
SgFunctionDeclaration* minalloc_check_decl = SB::buildNondefiningFunctionDeclaration(
SgName("minalloc_check"),
SgTypeVoid::createType(),
SB::buildFunctionParameterList(
SB::buildInitializedName("addr",SB::buildUnsignedLongLongType())),
global,NULL);
SI::prependStatement(minalloc_check_decl,global);
//void typetracker_add(unsigned long long addr, struct rtc_typeinfo* ti);
SgFunctionDeclaration* typetracker_add_decl = SB::buildNondefiningFunctionDeclaration(
SgName("typetracker_add"),
SgTypeVoid::createType(),
SB::buildFunctionParameterList(
SB::buildInitializedName("addr",SB::buildUnsignedLongLongType()),
SB::buildInitializedName("ti",ti_type)),
global,NULL);
SI::prependStatement(typetracker_add_decl,global);
//void setBaseType(rtc_typeinfo* ti, rtc_typeinfo* base)
SgFunctionDeclaration* setBaseType_decl = SB::buildNondefiningFunctionDeclaration(
SgName("setBaseType"),
SgTypeVoid::createType(),
SB::buildFunctionParameterList(
SB::buildInitializedName("ti",ti_type),
SB::buildInitializedName("base",ti_type)),
global,NULL);
SI::prependStatement(setBaseType_decl,global);
//struct rtc_typeinfo* ti_init(const char* a, size_t sz, int c)
SgFunctionDeclaration* ti_init_decl = SB::buildNondefiningFunctionDeclaration(
SgName("ti_init"),
ti_type,
SB::buildFunctionParameterList(
// SB::buildInitializedName("a",SB::buildPointerType(SB::buildConstType(SB::buildCharType()))),
SB::buildInitializedName("a",SB::buildPointerType(SB::buildCharType())),
// SB::buildInitializedName("sz", SB::buildOpaqueType("size_t",global)),
SB::buildInitializedName("sz", SB::buildLongLongType()),
SB::buildInitializedName("c", SB::buildIntType())),
global,NULL);
SI::prependStatement(ti_init_decl,global);
//void traverseAndPrint()
SgFunctionDeclaration* traverseAndPrint_decl = SB::buildNondefiningFunctionDeclaration(
SgName("traverseAndPrint"),SgTypeVoid::createType(),SB::buildFunctionParameterList(),global,NULL);
SI::prependStatement(traverseAndPrint_decl,global);
//non-defining declaration of rtc_init_typeinfo
SgName init_name("rtc_init_typeinfo");
SgFunctionDeclaration* init_nondef = SB::buildNondefiningFunctionDeclaration(init_name,SgTypeVoid::createType(),SB::buildFunctionParameterList(),global,NULL);
SI::prependStatement(init_nondef,global);
//call to rtc_init_typeinfo placed in main function.
SgFunctionDeclaration* maindecl = SI::findMain(project);
SgExprStatement* initcall = SB::buildFunctionCallStmt(init_name,SgTypeVoid::createType(),NULL,maindecl->get_definition());
maindecl->get_definition()->prepend_statement(initcall);
//defining declaration of rtc_init_typeinfo
SgFunctionDeclaration* init_definingDecl = new SgFunctionDeclaration(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),init_name,init_nondef->get_type(),NULL);
init_definingDecl->set_firstNondefiningDeclaration(init_nondef);
SgFunctionDefinition* init_definition = new SgFunctionDefinition(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),init_definingDecl,SB::buildBasicBlock());
init_definingDecl->set_definition(init_definition);
SI::appendStatement(init_definingDecl,global);
std::vector<std::string> lst;
for(unsigned int index = 0; index < types.size(); index++)
{
SgType* ptr = types[index];
ptr = ptr->stripTypedefsAndModifiers();
if(!shouldInstrumentType(ptr))
continue;
std::string nameStr = prefix + Util::getNameForType(ptr).getString();
if(!contains(lst,nameStr))
{
SgVariableDeclaration* decl = SB::buildVariableDeclaration(nameStr,ti_type,NULL,global);
SI::prependStatement(decl,global);
lst.push_back(nameStr);
}
}
for(unsigned int index = 0; index < types.size(); index++)
{
SgType* ptr = types[index];
ptr = ptr->stripTypedefsAndModifiers();
if(!shouldInstrumentType(ptr))
continue;
std::string typeNameStr = Util::getNameForType(ptr).getString();
std::string structNameStr = prefix + Util::getNameForType(ptr).getString();
if(contains(lst,structNameStr))
{
SgExpression* lhs;
SgExpression* rhs;
//In case of an anonymous struct or union, we create a local, named version of the declaration so we can know its size.
SgClassDeclaration* altDecl = NULL;
if(isSgNamedType(ptr) && isSgClassDeclaration(isSgNamedType(ptr)->get_declaration()) && isSgClassDeclaration(isSgNamedType(ptr)->get_declaration())->get_isUnNamed())
{
SgClassDeclaration* originalDecl = isSgClassDeclaration(isSgNamedType(ptr)->get_declaration()->get_definingDeclaration());
SgName altDecl_name(typeNameStr + "_def");
altDecl = new SgClassDeclaration(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),altDecl_name,originalDecl->get_class_type());
SgClassDefinition* altDecl_definition = SB::buildClassDefinition(altDecl);
SgDeclarationStatementPtrList originalMembers = originalDecl->get_definition()->get_members();
for(SgDeclarationStatementPtrList::iterator it = originalMembers.begin(); it != originalMembers.end(); it++)
{
SgDeclarationStatement* member = *it;
SgDeclarationStatement* membercpy = isSgDeclarationStatement(SI::copyStatement(member));
altDecl_definition->append_member(membercpy);
}
SgClassDeclaration* altDecl_nondef = new SgClassDeclaration(new Sg_File_Info(SI::getEnclosingFileNode(global)->getFileName()),altDecl_name,originalDecl->get_class_type());
altDecl_nondef->set_scope(global);
altDecl->set_scope(global);
altDecl->set_firstNondefiningDeclaration(altDecl_nondef);
altDecl_nondef->set_firstNondefiningDeclaration(altDecl_nondef);
altDecl->set_definingDeclaration(altDecl);
altDecl_nondef->set_definingDeclaration(altDecl);
SgClassType* altDecl_ct = SgClassType::createType(altDecl_nondef);
altDecl->set_type(altDecl_ct);
altDecl_nondef->set_type(altDecl_ct);
altDecl->set_isUnNamed(false);
altDecl_nondef->set_isUnNamed(false);
altDecl_nondef->set_forward(true);
SgSymbol* sym = new SgClassSymbol(altDecl_nondef);
global->insert_symbol(altDecl_name, sym);
altDecl->set_linkage("C");
altDecl_nondef->set_linkage("C");
ROSE_ASSERT(sym && sym->get_symbol_basis() == altDecl_nondef);
ROSE_ASSERT(altDecl->get_definingDeclaration() == altDecl);
ROSE_ASSERT(altDecl->get_firstNondefiningDeclaration() == altDecl_nondef);
ROSE_ASSERT(altDecl->search_for_symbol_from_symbol_table() == sym);
ROSE_ASSERT(altDecl->get_definition() == altDecl_definition);
ROSE_ASSERT(altDecl->get_scope() == global && altDecl->get_scope() == altDecl_nondef->get_scope());
ROSE_ASSERT(altDecl_ct->get_declaration() == altDecl_nondef);
//For some reason, this is not working...
//global->append_statement(altDecl);
//global->prepend_statement(altDecl_nondef);
//SI::setOneSourcePositionForTransformation(altDecl);
//SI::setOneSourcePositionForTransformation(altDecl_nondef);
}
SgType* baseType;
if(isSgPointerType(ptr))
baseType = ptr->dereference();
else
baseType = ptr->findBaseType();
baseType = baseType->stripTypedefsAndModifiers();
if(baseType == NULL || baseType == ptr)
{
//In this case, there is no base type.
rhs = SB::buildFunctionCallExp(SgName("ti_init"),SgTypeVoid::createType(),SB::buildExprListExp(
SB::buildStringVal(ptr->unparseToString()),
((altDecl == NULL && !isSgTypeVoid(ptr)) ? (SgExpression*) SB::buildSizeOfOp(types[index]) : (SgExpression*) SB::buildIntVal(-1)),
SB::buildIntVal(getClassification(ptr))
),init_definition);
}
else
{
//The type has a base type.
std::string baseStructNameStr = prefix + Util::getNameForType(baseType).getString();
rhs = SB::buildFunctionCallExp(SgName("ti_init"),ti_type,SB::buildExprListExp(
SB::buildStringVal(ptr->unparseToString()),
((altDecl == NULL && !isSgTypeVoid(ptr)) ? (SgExpression*) SB::buildSizeOfOp(types[index]) : (SgExpression*) SB::buildIntVal(-1)),
SB::buildIntVal(getClassification(ptr))
),init_definition);
SgExprStatement* set_BT = SB::buildFunctionCallStmt(SgName("setBaseType"),ti_type,SB::buildExprListExp(
SB::buildVarRefExp(structNameStr),
SB::buildVarRefExp(baseStructNameStr)),
init_definition);
init_definition->append_statement(set_BT);
}
lhs = SB::buildVarRefExp(structNameStr);
SgExprStatement* assignstmt = SB::buildAssignStatement(lhs,rhs);
init_definition->prepend_statement(assignstmt);
std::remove(lst.begin(),lst.end(),structNameStr);
}
}
}