static void dumpSymbolNamesFromObject(SymbolicFile *Obj, bool printName) {
basic_symbol_iterator IBegin = Obj->symbol_begin();
basic_symbol_iterator IEnd = Obj->symbol_end();
if (DynamicSyms) {
if (!Obj->isELF()) {
error("File format has no dynamic symbol table", Obj->getFileName());
return;
}
std::pair<symbol_iterator, symbol_iterator> IDyn =
getELFDynamicSymbolIterators(Obj);
IBegin = IDyn.first;
IEnd = IDyn.second;
}
std::string NameBuffer;
raw_string_ostream OS(NameBuffer);
for (basic_symbol_iterator I = IBegin; I != IEnd; ++I) {
uint32_t SymFlags = I->getFlags();
if (!DebugSyms && (SymFlags & SymbolRef::SF_FormatSpecific))
continue;
if (WithoutAliases) {
if (IRObjectFile *IR = dyn_cast<IRObjectFile>(Obj)) {
const GlobalValue *GV = IR->getSymbolGV(I->getRawDataRefImpl());
if (GV && isa<GlobalAlias>(GV))
continue;
}
}
NMSymbol S;
S.Size = UnknownAddressOrSize;
S.Address = UnknownAddressOrSize;
if ((PrintSize || SizeSort) && isa<ObjectFile>(Obj)) {
symbol_iterator SymI = I;
if (error(SymI->getSize(S.Size)))
break;
}
if (PrintAddress && isa<ObjectFile>(Obj))
if (error(symbol_iterator(I)->getAddress(S.Address)))
break;
S.TypeChar = getNMTypeChar(Obj, I);
if (error(I->printName(OS)))
break;
OS << '\0';
S.Symb = I->getRawDataRefImpl();
SymbolList.push_back(S);
}
OS.flush();
const char *P = NameBuffer.c_str();
for (unsigned I = 0; I < SymbolList.size(); ++I) {
SymbolList[I].Name = P;
P += strlen(P) + 1;
}
CurrentFilename = Obj->getFileName();
sortAndPrintSymbolList(Obj, printName);
}
static void sortAndPrintSymbolList(SymbolicFile *Obj, bool printName) {
if (!NoSort) {
if (NumericSort)
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolAddress);
else if (SizeSort)
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolSize);
else
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolName);
}
if (OutputFormat == posix && MultipleFiles && printName) {
outs() << '\n' << CurrentFilename << ":\n";
} else if (OutputFormat == bsd && MultipleFiles && printName) {
outs() << "\n" << CurrentFilename << ":\n";
} else if (OutputFormat == sysv) {
outs() << "\n\nSymbols from " << CurrentFilename << ":\n\n"
<< "Name Value Class Type"
<< " Size Line Section\n";
}
const char *printBlanks, *printFormat;
if (isSymbolList64Bit(Obj)) {
printBlanks = " ";
printFormat = "%016" PRIx64;
} else {
printBlanks = " ";
printFormat = "%08" PRIx64;
}
for (SymbolListT::iterator I = SymbolList.begin(), E = SymbolList.end();
I != E; ++I) {
if ((I->TypeChar != 'U') && UndefinedOnly)
continue;
if ((I->TypeChar == 'U') && DefinedOnly)
continue;
if (SizeSort && !PrintAddress && I->Size == UnknownAddressOrSize)
continue;
if (JustSymbolName) {
outs() << I->Name << "\n";
continue;
}
char SymbolAddrStr[18] = "";
char SymbolSizeStr[18] = "";
if (OutputFormat == sysv || I->Address == UnknownAddressOrSize)
strcpy(SymbolAddrStr, printBlanks);
if (OutputFormat == sysv)
strcpy(SymbolSizeStr, printBlanks);
if (I->Address != UnknownAddressOrSize)
format(printFormat, I->Address)
.print(SymbolAddrStr, sizeof(SymbolAddrStr));
if (I->Size != UnknownAddressOrSize)
format(printFormat, I->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
// If OutputFormat is darwin and we have a MachOObjectFile print as darwin's
// nm(1) -m output, else if OutputFormat is darwin and not a Mach-O object
// fall back to OutputFormat bsd (see below).
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj);
if (OutputFormat == darwin && MachO) {
darwinPrintSymbol(MachO, I, SymbolAddrStr, printBlanks);
} else if (OutputFormat == posix) {
outs() << I->Name << " " << I->TypeChar << " " << SymbolAddrStr
<< SymbolSizeStr << "\n";
} else if (OutputFormat == bsd || (OutputFormat == darwin && !MachO)) {
if (PrintAddress)
outs() << SymbolAddrStr << ' ';
if (PrintSize) {
outs() << SymbolSizeStr;
if (I->Size != UnknownAddressOrSize)
outs() << ' ';
}
outs() << I->TypeChar << " " << I->Name << "\n";
} else if (OutputFormat == sysv) {
std::string PaddedName(I->Name);
while (PaddedName.length() < 20)
PaddedName += " ";
outs() << PaddedName << "|" << SymbolAddrStr << "| " << I->TypeChar
<< " | |" << SymbolSizeStr << "| |\n";
}
}
SymbolList.clear();
}
static void sortAndPrintSymbolList() {
if (!NoSort) {
if (NumericSort)
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolAddress);
else if (SizeSort)
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolSize);
else
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolName);
}
if (OutputFormat == posix && MultipleFiles) {
outs() << '\n' << CurrentFilename << ":\n";
} else if (OutputFormat == bsd && MultipleFiles) {
outs() << "\n" << CurrentFilename << ":\n";
} else if (OutputFormat == sysv) {
outs() << "\n\nSymbols from " << CurrentFilename << ":\n\n"
<< "Name Value Class Type"
<< " Size Line Section\n";
}
for (SymbolListT::iterator I = SymbolList.begin(), E = SymbolList.end();
I != E; ++I) {
if ((I->TypeChar != 'U') && UndefinedOnly)
continue;
if ((I->TypeChar == 'U') && DefinedOnly)
continue;
if (SizeSort && !PrintAddress && I->Size == UnknownAddressOrSize)
continue;
char SymbolAddrStr[10] = "";
char SymbolSizeStr[10] = "";
if (OutputFormat == sysv || I->Address == UnknownAddressOrSize)
strcpy(SymbolAddrStr, " ");
if (OutputFormat == sysv)
strcpy(SymbolSizeStr, " ");
if (I->Address != UnknownAddressOrSize)
format("%08" PRIx64, I->Address)
.print(SymbolAddrStr, sizeof(SymbolAddrStr));
if (I->Size != UnknownAddressOrSize)
format("%08" PRIx64, I->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
if (OutputFormat == posix) {
outs() << I->Name << " " << I->TypeChar << " " << SymbolAddrStr
<< SymbolSizeStr << "\n";
} else if (OutputFormat == bsd) {
if (PrintAddress)
outs() << SymbolAddrStr << ' ';
if (PrintSize) {
outs() << SymbolSizeStr;
if (I->Size != UnknownAddressOrSize)
outs() << ' ';
}
outs() << I->TypeChar << " " << I->Name << "\n";
} else if (OutputFormat == sysv) {
std::string PaddedName(I->Name);
while (PaddedName.length() < 20)
PaddedName += " ";
outs() << PaddedName << "|" << SymbolAddrStr << "| " << I->TypeChar
<< " | |" << SymbolSizeStr << "| |\n";
}
}
SymbolList.clear();
}
static void dumpSymbolNamesFromObject(SymbolicFile &Obj, bool printName,
std::string ArchiveName = std::string(),
std::string ArchitectureName =
std::string()) {
basic_symbol_iterator IBegin = Obj.symbol_begin();
basic_symbol_iterator IEnd = Obj.symbol_end();
if (DynamicSyms) {
if (!Obj.isELF()) {
error("File format has no dynamic symbol table", Obj.getFileName());
return;
}
std::pair<symbol_iterator, symbol_iterator> IDyn =
getELFDynamicSymbolIterators(&Obj);
IBegin = IDyn.first;
IEnd = IDyn.second;
}
std::string NameBuffer;
raw_string_ostream OS(NameBuffer);
// If a "-s segname sectname" option was specified and this is a Mach-O
// file get the section number for that section in this object file.
unsigned int Nsect = 0;
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj);
if (SegSect.size() != 0 && MachO) {
Nsect = getNsectForSegSect(MachO);
// If this section is not in the object file no symbols are printed.
if (Nsect == 0)
return;
}
for (basic_symbol_iterator I = IBegin; I != IEnd; ++I) {
uint32_t SymFlags = I->getFlags();
if (!DebugSyms && (SymFlags & SymbolRef::SF_FormatSpecific))
continue;
if (WithoutAliases) {
if (IRObjectFile *IR = dyn_cast<IRObjectFile>(&Obj)) {
const GlobalValue *GV = IR->getSymbolGV(I->getRawDataRefImpl());
if (GV && isa<GlobalAlias>(GV))
continue;
}
}
// If a "-s segname sectname" option was specified and this is a Mach-O
// file and this section appears in this file, Nsect will be non-zero then
// see if this symbol is a symbol from that section and if not skip it.
if (Nsect && Nsect != getNsectInMachO(*MachO, I))
continue;
NMSymbol S;
S.Size = UnknownAddressOrSize;
S.Address = UnknownAddressOrSize;
if ((PrintSize || SizeSort) && isa<ObjectFile>(Obj)) {
symbol_iterator SymI = I;
if (error(SymI->getSize(S.Size)))
break;
}
if (PrintAddress && isa<ObjectFile>(Obj))
if (error(symbol_iterator(I)->getAddress(S.Address)))
break;
S.TypeChar = getNMTypeChar(Obj, I);
if (error(I->printName(OS)))
break;
OS << '\0';
S.Symb = I->getRawDataRefImpl();
SymbolList.push_back(S);
}
OS.flush();
const char *P = NameBuffer.c_str();
for (unsigned I = 0; I < SymbolList.size(); ++I) {
SymbolList[I].Name = P;
P += strlen(P) + 1;
}
CurrentFilename = Obj.getFileName();
sortAndPrintSymbolList(Obj, printName, ArchiveName, ArchitectureName);
}
static void dumpSymbolNamesFromObject(SymbolicFile &Obj, bool printName,
std::string ArchiveName = std::string(),
std::string ArchitectureName =
std::string()) {
auto Symbols = Obj.symbols();
if (DynamicSyms) {
const auto *E = dyn_cast<ELFObjectFileBase>(&Obj);
if (!E) {
error("File format has no dynamic symbol table", Obj.getFileName());
return;
}
auto DynSymbols = E->getDynamicSymbolIterators();
Symbols =
make_range<basic_symbol_iterator>(DynSymbols.begin(), DynSymbols.end());
}
std::string NameBuffer;
raw_string_ostream OS(NameBuffer);
// If a "-s segname sectname" option was specified and this is a Mach-O
// file get the section number for that section in this object file.
unsigned int Nsect = 0;
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj);
if (SegSect.size() != 0 && MachO) {
Nsect = getNsectForSegSect(MachO);
// If this section is not in the object file no symbols are printed.
if (Nsect == 0)
return;
}
for (BasicSymbolRef Sym : Symbols) {
uint32_t SymFlags = Sym.getFlags();
if (!DebugSyms && (SymFlags & SymbolRef::SF_FormatSpecific))
continue;
if (WithoutAliases) {
if (IRObjectFile *IR = dyn_cast<IRObjectFile>(&Obj)) {
const GlobalValue *GV = IR->getSymbolGV(Sym.getRawDataRefImpl());
if (GV && isa<GlobalAlias>(GV))
continue;
}
}
// If a "-s segname sectname" option was specified and this is a Mach-O
// file and this section appears in this file, Nsect will be non-zero then
// see if this symbol is a symbol from that section and if not skip it.
if (Nsect && Nsect != getNsectInMachO(*MachO, Sym))
continue;
NMSymbol S;
S.Size = 0;
S.Address = 0;
if (PrintSize) {
if (isa<ELFObjectFileBase>(&Obj))
S.Size = ELFSymbolRef(Sym).getSize();
}
if (PrintAddress && isa<ObjectFile>(Obj)) {
SymbolRef SymRef(Sym);
ErrorOr<uint64_t> AddressOrErr = SymRef.getAddress();
if (error(AddressOrErr.getError()))
break;
S.Address = *AddressOrErr;
}
S.TypeChar = getNMTypeChar(Obj, Sym);
std::error_code EC = Sym.printName(OS);
if (EC && MachO)
OS << "bad string index";
else
error(EC);
OS << '\0';
S.Sym = Sym;
SymbolList.push_back(S);
}
OS.flush();
const char *P = NameBuffer.c_str();
for (unsigned I = 0; I < SymbolList.size(); ++I) {
SymbolList[I].Name = P;
P += strlen(P) + 1;
}
CurrentFilename = Obj.getFileName();
sortAndPrintSymbolList(Obj, printName, ArchiveName, ArchitectureName);
}
static void sortAndPrintSymbolList(SymbolicFile &Obj, bool printName,
std::string ArchiveName,
std::string ArchitectureName) {
if (!NoSort) {
std::function<bool(const NMSymbol &, const NMSymbol &)> Cmp;
if (NumericSort)
Cmp = compareSymbolAddress;
else if (SizeSort)
Cmp = compareSymbolSize;
else
Cmp = compareSymbolName;
if (ReverseSort)
Cmp = [=](const NMSymbol &A, const NMSymbol &B) { return Cmp(B, A); };
std::sort(SymbolList.begin(), SymbolList.end(), Cmp);
}
if (!PrintFileName) {
if (OutputFormat == posix && MultipleFiles && printName) {
outs() << '\n' << CurrentFilename << ":\n";
} else if (OutputFormat == bsd && MultipleFiles && printName) {
outs() << "\n" << CurrentFilename << ":\n";
} else if (OutputFormat == sysv) {
outs() << "\n\nSymbols from " << CurrentFilename << ":\n\n"
<< "Name Value Class Type"
<< " Size Line Section\n";
}
}
const char *printBlanks, *printDashes, *printFormat;
if (isSymbolList64Bit(Obj)) {
printBlanks = " ";
printDashes = "----------------";
printFormat = "%016" PRIx64;
} else {
printBlanks = " ";
printDashes = "--------";
printFormat = "%08" PRIx64;
}
for (SymbolListT::iterator I = SymbolList.begin(), E = SymbolList.end();
I != E; ++I) {
uint32_t SymFlags = I->Sym.getFlags();
bool Undefined = SymFlags & SymbolRef::SF_Undefined;
bool Global = SymFlags & SymbolRef::SF_Global;
if ((!Undefined && UndefinedOnly) || (Undefined && DefinedOnly) ||
(!Global && ExternalOnly) || (SizeSort && !PrintAddress))
continue;
if (PrintFileName) {
if (!ArchitectureName.empty())
outs() << "(for architecture " << ArchitectureName << "):";
if (!ArchiveName.empty())
outs() << ArchiveName << ":";
outs() << CurrentFilename << ": ";
}
if ((JustSymbolName || (UndefinedOnly && isa<MachOObjectFile>(Obj) &&
OutputFormat != darwin)) && OutputFormat != posix) {
outs() << I->Name << "\n";
continue;
}
char SymbolAddrStr[18] = "";
char SymbolSizeStr[18] = "";
if (OutputFormat == sysv || I->TypeChar == 'U')
strcpy(SymbolAddrStr, printBlanks);
if (OutputFormat == sysv)
strcpy(SymbolSizeStr, printBlanks);
if (I->TypeChar != 'U') {
if (Obj.isIR())
strcpy(SymbolAddrStr, printDashes);
else
format(printFormat, I->Address)
.print(SymbolAddrStr, sizeof(SymbolAddrStr));
}
format(printFormat, I->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
// If OutputFormat is darwin or we are printing Mach-O symbols in hex and
// we have a MachOObjectFile, call darwinPrintSymbol to print as darwin's
// nm(1) -m output or hex, else if OutputFormat is darwin or we are
// printing Mach-O symbols in hex and not a Mach-O object fall back to
// OutputFormat bsd (see below).
MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj);
if ((OutputFormat == darwin || FormatMachOasHex) && (MachO || Obj.isIR())) {
darwinPrintSymbol(Obj, I, SymbolAddrStr, printBlanks, printDashes,
printFormat);
} else if (OutputFormat == posix) {
outs() << I->Name << " " << I->TypeChar << " ";
if (MachO)
outs() << I->Address << " " << "0" /* SymbolSizeStr */ << "\n";
else
outs() << SymbolAddrStr << SymbolSizeStr << "\n";
} else if (OutputFormat == bsd || (OutputFormat == darwin && !MachO)) {
if (PrintAddress)
outs() << SymbolAddrStr << ' ';
if (PrintSize) {
outs() << SymbolSizeStr;
outs() << ' ';
}
outs() << I->TypeChar;
if (I->TypeChar == '-' && MachO)
darwinPrintStab(MachO, I);
outs() << " " << I->Name << "\n";
} else if (OutputFormat == sysv) {
std::string PaddedName(I->Name);
while (PaddedName.length() < 20)
PaddedName += " ";
outs() << PaddedName << "|" << SymbolAddrStr << "| " << I->TypeChar
<< " | |" << SymbolSizeStr << "| |\n";
}
}
SymbolList.clear();
}
