void CodeGenContext::GenerateDisassmTables()
{
std::map<std::string, std::map<llvm::APInt,std::string,myAPIntCompare> >::iterator tableIter;
for (tableIter=disassemblyTable.begin();tableIter!=disassemblyTable.end();++tableIter)
{
llvm::APInt tableSize=tableIter->second.rbegin()->first;
llvm::APInt tableSize32=tableSize.zextOrTrunc(32);
// Create a global variable to indicate the max size of the table
llvm::ConstantInt* const_int32_1 = getConstantInt(tableSize32+1);
llvm::GlobalVariable* gvar_int32_DIS_max = makeGlobal(getIntType(32),true,llvm::GlobalValue::ExternalLinkage,const_int32_1,getSymbolPrefix()+"DIS_max_"+tableIter->first);
// Create a global array to hold the table
llvm::PointerType* PointerTy_5 = llvm::PointerType::get(getIntType(8), 0);
llvm::ArrayType* ArrayTy_4 = llvm::ArrayType::get(PointerTy_5, tableSize.getLimitedValue()+1);
llvm::ConstantPointerNull* const_ptr_13 = llvm::ConstantPointerNull::get(PointerTy_5);
std::vector<llvm::Constant*> const_array_9_elems;
std::map<llvm::APInt,std::string,myAPIntCompare>::iterator slot=tableIter->second.begin();
llvm::APInt trackingSlot(tableSize.getBitWidth(),"0",16);
while (slot!=tableIter->second.end())
{
if (CompareEquals(slot->first,trackingSlot))
{
llvm::ArrayType* ArrayTy_0 = llvm::ArrayType::get(getIntType(8), slot->second.length()-1);
llvm::Constant* const_array_9 = getString(slot->second);
llvm::GlobalVariable* gvar_array__str = makeGlobal(ArrayTy_0,true,llvm::GlobalValue::PrivateLinkage,const_array_9,getSymbolPrefix()+".str"+trackingSlot.toString(16,false));
gvar_array__str->setAlignment(1);
std::vector<llvm::Constant*> const_ptr_12_indices;
llvm::ConstantInt* const_int64_13 = getConstantZero(64);
const_ptr_12_indices.push_back(const_int64_13);
const_ptr_12_indices.push_back(const_int64_13);
llvm::Constant* const_ptr_12 = llvm::ConstantExpr::getGetElementPtr(nullptr,gvar_array__str, const_ptr_12_indices);
const_array_9_elems.push_back(const_ptr_12);
++slot;
}
else
{
const_array_9_elems.push_back(const_ptr_13);
}
trackingSlot++;
}
llvm::Constant* const_array_9 = llvm::ConstantArray::get(ArrayTy_4, const_array_9_elems);
llvm::GlobalVariable* gvar_array_table = makeGlobal(ArrayTy_4,true,llvm::GlobalValue::ExternalLinkage,const_array_9, getSymbolPrefix()+"DIS_"+tableIter->first);
}
}
void replaceUsesWithConstant(llvm::Value* v, uintptr_t val) {
if (isa<PointerType>(v->getType()))
v->replaceAllUsesWith(embedConstantPtr((void*)val, v->getType()));
else
v->replaceAllUsesWith(getConstantInt(val, v->getType()));
}
llvm::Constant* getConstantInt(int64_t n) {
return getConstantInt(n, g.i64);
}
