bool CapturedDiagList::clearDiagnostic(llvm::ArrayRef<unsigned> IDs,
SourceRange range) {
if (range.isInvalid())
return false;
bool cleared = false;
ListTy::iterator I = List.begin();
while (I != List.end()) {
FullSourceLoc diagLoc = I->getLocation();
if ((IDs.empty() || // empty means clear all diagnostics in the range.
std::find(IDs.begin(), IDs.end(), I->getID()) != IDs.end()) &&
!diagLoc.isBeforeInTranslationUnitThan(range.getBegin()) &&
(diagLoc == range.getEnd() ||
diagLoc.isBeforeInTranslationUnitThan(range.getEnd()))) {
cleared = true;
ListTy::iterator eraseS = I++;
while (I != List.end() && I->getLevel() == Diagnostic::Note)
++I;
// Clear the diagnostic and any notes following it.
List.erase(eraseS, I);
continue;
}
++I;
}
return cleared;
}
void printNameList(llvm::raw_ostream &out, llvm::ArrayRef<ObjectPtr> x, llvm::ArrayRef<unsigned> dispatchIndices)
{
for (size_t i = 0; i < x.size(); ++i) {
if (i != 0)
out << ", ";
if (find(dispatchIndices.begin(), dispatchIndices.end(), i) != dispatchIndices.end())
out << "*";
printName(out, x[i]);
}
}
static void circularImportsError(llvm::ArrayRef<string> modules) {
string s;
llvm::raw_string_ostream ss(s);
ss << "import loop:\n";
for (string const *it = modules.begin(); it != modules.end(); ++it) {
ss << " " << *it;
if (it + 1 != modules.end()) {
// because error() function adds trailing newline
ss << "\n";
}
}
return error(ss.str());
}
NullptrFixer::NullptrFixer(unsigned &AcceptedChanges,
llvm::ArrayRef<llvm::StringRef> UserMacros,
Transform &Owner)
: AcceptedChanges(AcceptedChanges), Owner(Owner) {
UserNullMacros.insert(UserNullMacros.begin(), UserMacros.begin(),
UserMacros.end());
UserNullMacros.insert(UserNullMacros.begin(), llvm::StringRef(NullMacroName));
}
UnknownSyntax
SyntaxFactory::makeUnknownSyntax(llvm::ArrayRef<RC<TokenSyntax>> Tokens) {
RawSyntax::LayoutList Layout;
std::copy(Tokens.begin(), Tokens.end(), std::back_inserter(Layout));
auto Raw = RawSyntax::make(SyntaxKind::Unknown, Layout,
SourcePresence::Present);
auto Data = UnknownSyntaxData::make(Raw);
return { Data, Data.get() };
}
// Returns qualified names of symbols with any of IDs in the index.
std::vector<std::string> lookup(const SymbolIndex &I,
llvm::ArrayRef<SymbolID> IDs) {
LookupRequest Req;
Req.IDs.insert(IDs.begin(), IDs.end());
std::vector<std::string> Results;
I.lookup(Req, [&](const Symbol &Sym) {
Results.push_back(getQualifiedName(Sym));
});
return Results;
}
int llvm::libDriverMain(llvm::ArrayRef<const char*> ArgsArr) {
SmallVector<const char *, 20> NewArgs(ArgsArr.begin(), ArgsArr.end());
BumpPtrAllocator Alloc;
BumpPtrStringSaver Saver(Alloc);
cl::ExpandResponseFiles(Saver, cl::TokenizeWindowsCommandLine, NewArgs);
ArgsArr = NewArgs;
LibOptTable Table;
unsigned MissingIndex;
unsigned MissingCount;
llvm::opt::InputArgList Args =
Table.ParseArgs(ArgsArr.slice(1), MissingIndex, MissingCount);
if (MissingCount) {
llvm::errs() << "missing arg value for \""
<< Args.getArgString(MissingIndex) << "\", expected "
<< MissingCount
<< (MissingCount == 1 ? " argument.\n" : " arguments.\n");
return 1;
}
for (auto *Arg : Args.filtered(OPT_UNKNOWN))
llvm::errs() << "ignoring unknown argument: " << Arg->getSpelling() << "\n";
if (Args.filtered_begin(OPT_INPUT) == Args.filtered_end()) {
llvm::errs() << "no input files.\n";
return 1;
}
std::vector<StringRef> SearchPaths = getSearchPaths(&Args, Saver);
std::vector<llvm::NewArchiveIterator> Members;
for (auto *Arg : Args.filtered(OPT_INPUT)) {
Optional<std::string> Path = findInputFile(Arg->getValue(), SearchPaths);
if (!Path.hasValue()) {
llvm::errs() << Arg->getValue() << ": no such file or directory\n";
return 1;
}
Members.emplace_back(Saver.save(*Path),
llvm::sys::path::filename(Arg->getValue()));
}
std::pair<StringRef, std::error_code> Result =
llvm::writeArchive(getOutputPath(&Args, Members[0]), Members,
/*WriteSymtab=*/true, object::Archive::K_GNU,
/*Deterministic*/ true, /*Thin*/ false);
if (Result.second) {
if (Result.first.empty())
Result.first = ArgsArr[0];
llvm::errs() << Result.first << ": " << Result.second.message() << "\n";
return 1;
}
return 0;
}
void emitWarning(const char* warning_msg,
llvm::ArrayRef<llvm::Value*> extra_args,
Compiler* compiler)
{
std::vector<llvm::Value*> args;
args.push_back(compiler->emitConstantPointer(warning_msg));
args.insert(args.end(), extra_args.begin(), extra_args.end());
Function* warning = getDeclaration("Rf_warning", compiler);
compiler->emitCallOrInvoke(warning, args);
}
void emitError(const char* error_msg, llvm::ArrayRef<llvm::Value*> extra_args,
Compiler* compiler)
{
std::vector<llvm::Value*> args;
args.push_back(compiler->emitConstantPointer(error_msg));
args.insert(args.end(), extra_args.begin(), extra_args.end());
Function* error = getDeclaration("Rf_error", compiler);
compiler->emitCallOrInvoke(error, args);
compiler->CreateUnreachable();
}
bool CapturedDiagList::hasDiagnostic(llvm::ArrayRef<unsigned> IDs,
SourceRange range) const {
if (range.isInvalid())
return false;
ListTy::const_iterator I = List.begin();
while (I != List.end()) {
FullSourceLoc diagLoc = I->getLocation();
if ((IDs.empty() || // empty means any diagnostic in the range.
std::find(IDs.begin(), IDs.end(), I->getID()) != IDs.end()) &&
!diagLoc.isBeforeInTranslationUnitThan(range.getBegin()) &&
(diagLoc == range.getEnd() ||
diagLoc.isBeforeInTranslationUnitThan(range.getEnd()))) {
return true;
}
++I;
}
return false;
}
void addGlobals(ModulePtr m, llvm::ArrayRef<TopLevelItemPtr> toplevels) {
TopLevelItemPtr const *i, *end;
for (i = toplevels.begin(), end = toplevels.end();
i != end; ++i) {
m->topLevelItems.push_back(*i);
TopLevelItem *x = i->ptr();
x->env = m->env;
switch (x->objKind) {
case ENUM_DECL : {
EnumDecl *enumer = (EnumDecl *)x;
TypePtr t = enumType(enumer);
addGlobal(m, enumer->name, enumer->visibility, t.ptr());
for (unsigned i = 0 ; i < enumer->members.size(); ++i) {
EnumMember *member = enumer->members[i].ptr();
member->index = (int)i;
member->type = t;
addGlobal(m, member->name, enumer->visibility, member);
}
break;
}
case PROCEDURE : {
Procedure *proc = (Procedure *)x;
if (proc->interface != NULL)
proc->interface->env = m->env;
// fallthrough
}
default :
if (x->name.ptr())
addGlobal(m, x->name, x->visibility, x);
break;
}
}
llvm::ArrayRef<TopLevelItemPtr> items = m->topLevelItems;
for (size_t i = items.size() - toplevels.size(); i < items.size(); ++i) {
Object *obj = items[i].ptr();
switch (obj->objKind) {
case OVERLOAD :
initOverload((Overload *)obj);
break;
case INSTANCE_DECL :
initVariantInstance((InstanceDecl *)obj);
break;
case STATIC_ASSERT_TOP_LEVEL:
checkStaticAssert((StaticAssertTopLevel *)obj);
break;
default:
break;
}
}
}
// Some interfaces to LLVM builder require unsigned indices instead of a vector.
// i.e. llvm::IRBuilder::CreateExtractValue()
// This method will do the conversion and inform the caller if not every element was
// a constant integer.
bool ConvertValuesToUnsigned(unsigned* indices, int &count, llvm::ArrayRef<llvm::Value*> chain)
{
llvm::ArrayRef<llvm::Value*>::iterator start = chain.begin();
for (count = 0; start != chain.end(); ++start, ++count) {
if (llvm::Constant* constant = llvm::dyn_cast<llvm::Constant>(*start)) {
if (llvm::ConstantInt *constantInt = llvm::dyn_cast<llvm::ConstantInt>(constant))
indices[count] = constantInt->getValue().getSExtValue();
else
return false;
} else {
return false;
}
}
return true;
}
unsigned GenericParamKey::findIndexIn(
llvm::ArrayRef<GenericTypeParamType *> genericParams) const {
// For depth 0, we have random access. We perform the extra checking so that
// we can return
if (Depth == 0 && Index < genericParams.size() &&
genericParams[Index] == *this)
return Index;
// At other depths, perform a binary search.
unsigned result =
std::lower_bound(genericParams.begin(), genericParams.end(), *this,
Ordering())
- genericParams.begin();
if (result < genericParams.size() && genericParams[result] == *this)
return result;
// We didn't find the parameter we were looking for.
return genericParams.size();
}
bool
ABISysV_mips::PrepareTrivialCall (Thread &thread,
addr_t sp,
addr_t func_addr,
addr_t return_addr,
llvm::ArrayRef<addr_t> args) const
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
if (log)
{
StreamString s;
s.Printf("ABISysV_mips::PrepareTrivialCall (tid = 0x%" PRIx64 ", sp = 0x%" PRIx64 ", func_addr = 0x%" PRIx64 ", return_addr = 0x%" PRIx64,
thread.GetID(),
(uint64_t)sp,
(uint64_t)func_addr,
(uint64_t)return_addr);
for (size_t i = 0; i < args.size(); ++i)
s.Printf (", arg%zd = 0x%" PRIx64, i + 1, args[i]);
s.PutCString (")");
log->PutCString(s.GetString().c_str());
}
RegisterContext *reg_ctx = thread.GetRegisterContext().get();
if (!reg_ctx)
return false;
const RegisterInfo *reg_info = NULL;
RegisterValue reg_value;
// Argument registers
const char *reg_names[] = { "r4", "r5", "r6", "r7" };
llvm::ArrayRef<addr_t>::iterator ai = args.begin(), ae = args.end();
// Write arguments to registers
for (size_t i = 0; i < llvm::array_lengthof(reg_names); ++i)
{
if (ai == ae)
break;
reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1 + i);
if (log)
log->Printf("About to write arg%zd (0x%" PRIx64 ") into %s", i + 1, args[i], reg_info->name);
if (!reg_ctx->WriteRegisterFromUnsigned(reg_info, args[i]))
return false;
++ai;
}
// If we have more than 4 arguments --Spill onto the stack
if (ai != ae)
{
// No of arguments to go on stack
size_t num_stack_regs = args.size();
// Allocate needed space for args on the stack
sp -= (num_stack_regs * 4);
// Keep the stack 8 byte aligned
sp &= ~(8ull-1ull);
// just using arg1 to get the right size
const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1);
addr_t arg_pos = sp+16;
size_t i = 4;
for (; ai != ae; ++ai)
{
reg_value.SetUInt32(*ai);
if (log)
log->Printf("About to write arg%zd (0x%" PRIx64 ") at 0x%" PRIx64 "", i+1, args[i], arg_pos);
if (reg_ctx->WriteRegisterValueToMemory(reg_info, arg_pos, reg_info->byte_size, reg_value).Fail())
return false;
arg_pos += reg_info->byte_size;
i++;
}
}
Error error;
const RegisterInfo *pc_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC);
const RegisterInfo *sp_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP);
const RegisterInfo *ra_reg_info = reg_ctx->GetRegisterInfo (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA);
if (log)
log->Printf("Writing SP: 0x%" PRIx64, (uint64_t)sp);
// Set "sp" to the requested value
if (!reg_ctx->WriteRegisterFromUnsigned (sp_reg_info, sp))
return false;
if (log)
log->Printf("Writing RA: 0x%" PRIx64, (uint64_t)return_addr);
// Set "ra" to the return address
if (!reg_ctx->WriteRegisterFromUnsigned (ra_reg_info, return_addr))
return false;
if (log)
log->Printf("Writing PC: 0x%" PRIx64, (uint64_t)func_addr);
// Set pc to the address of the called function.
if (!reg_ctx->WriteRegisterFromUnsigned (pc_reg_info, func_addr))
return false;
return true;
}
bool
ABIMacOSX_arm::PrepareTrivialCall (Thread &thread,
addr_t sp,
addr_t function_addr,
addr_t return_addr,
llvm::ArrayRef<addr_t> args) const
{
RegisterContext *reg_ctx = thread.GetRegisterContext().get();
if (!reg_ctx)
return false;
const uint32_t pc_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC);
const uint32_t sp_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP);
const uint32_t ra_reg_num = reg_ctx->ConvertRegisterKindToRegisterNumber (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_RA);
RegisterValue reg_value;
const char *reg_names[] = { "r0", "r1", "r2", "r3" };
llvm::ArrayRef<addr_t>::iterator ai = args.begin(), ae = args.end();
for (size_t i = 0; i < llvm::array_lengthof(reg_names); ++i)
{
if (ai == ae)
break;
reg_value.SetUInt32(*ai);
if (!reg_ctx->WriteRegister(reg_ctx->GetRegisterInfoByName(reg_names[i]), reg_value))
return false;
++ai;
}
if (ai != ae)
{
// Spill onto the stack
size_t num_stack_regs = ae - ai;
sp -= (num_stack_regs * 4);
// Keep the stack 8 byte aligned, not that we need to
sp &= ~(8ull-1ull);
// just using arg1 to get the right size
const RegisterInfo *reg_info = reg_ctx->GetRegisterInfo(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_ARG1);
addr_t arg_pos = sp;
for (; ai != ae; ++ai)
{
reg_value.SetUInt32(*ai);
if (reg_ctx->WriteRegisterValueToMemory(reg_info, arg_pos, reg_info->byte_size, reg_value).Fail())
return false;
arg_pos += reg_info->byte_size;
}
}
TargetSP target_sp (thread.CalculateTarget());
Address so_addr;
// Figure out if our return address is ARM or Thumb by using the
// Address::GetCallableLoadAddress(Target*) which will figure out the ARM
// thumb-ness and set the correct address bits for us.
so_addr.SetLoadAddress (return_addr, target_sp.get());
return_addr = so_addr.GetCallableLoadAddress (target_sp.get());
// Set "lr" to the return address
if (!reg_ctx->WriteRegisterFromUnsigned (ra_reg_num, return_addr))
return false;
// Set "sp" to the requested value
if (!reg_ctx->WriteRegisterFromUnsigned (sp_reg_num, sp))
return false;
// If bit zero or 1 is set, this must be a thumb function, no need to figure
// this out from the symbols.
so_addr.SetLoadAddress (function_addr, target_sp.get());
function_addr = so_addr.GetCallableLoadAddress (target_sp.get());
const RegisterInfo *cpsr_reg_info = reg_ctx->GetRegisterInfoByName("cpsr");
const uint32_t curr_cpsr = reg_ctx->ReadRegisterAsUnsigned(cpsr_reg_info, 0);
// Make a new CPSR and mask out any Thumb IT (if/then) bits
uint32_t new_cpsr = curr_cpsr & ~MASK_CPSR_IT_MASK;
// If bit zero or 1 is set, this must be thumb...
if (function_addr & 1ull)
new_cpsr |= MASK_CPSR_T; // Set T bit in CPSR
else
new_cpsr &= ~MASK_CPSR_T; // Clear T bit in CPSR
if (new_cpsr != curr_cpsr)
{
if (!reg_ctx->WriteRegisterFromUnsigned (cpsr_reg_info, new_cpsr))
return false;
}
function_addr &= ~1ull; // clear bit zero since the CPSR will take care of the mode for us
// Set "pc" to the address requested
if (!reg_ctx->WriteRegisterFromUnsigned (pc_reg_num, function_addr))
return false;
return true;
}
