#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/ELFObjectFile.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/Signals.h"
-#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cctype>
#include <cerrno>
#include <cstring>
#include <system_error>
#include <vector>
+
using namespace llvm;
using namespace object;
cl::opt<bool> UndefinedOnly("undefined-only",
cl::desc("Show only undefined symbols"));
cl::alias UndefinedOnly2("u", cl::desc("Alias for --undefined-only"),
- cl::aliasopt(UndefinedOnly));
+ cl::aliasopt(UndefinedOnly), cl::Grouping);
cl::opt<bool> DynamicSyms("dynamic",
cl::desc("Display the dynamic symbols instead "
"of normal symbols."));
cl::alias DynamicSyms2("D", cl::desc("Alias for --dynamic"),
- cl::aliasopt(DynamicSyms));
+ cl::aliasopt(DynamicSyms), cl::Grouping);
cl::opt<bool> DefinedOnly("defined-only",
cl::desc("Show only defined symbols"));
cl::alias DefinedOnly2("U", cl::desc("Alias for --defined-only"),
- cl::aliasopt(DefinedOnly));
+ cl::aliasopt(DefinedOnly), cl::Grouping);
cl::opt<bool> ExternalOnly("extern-only",
cl::desc("Show only external symbols"));
cl::alias ExternalOnly2("g", cl::desc("Alias for --extern-only"),
- cl::aliasopt(ExternalOnly));
+ cl::aliasopt(ExternalOnly), cl::Grouping);
-cl::opt<bool> BSDFormat("B", cl::desc("Alias for --format=bsd"));
-cl::opt<bool> POSIXFormat("P", cl::desc("Alias for --format=posix"));
-cl::opt<bool> DarwinFormat("m", cl::desc("Alias for --format=darwin"));
+cl::opt<bool> BSDFormat("B", cl::desc("Alias for --format=bsd"),
+ cl::Grouping);
+cl::opt<bool> POSIXFormat("P", cl::desc("Alias for --format=posix"),
+ cl::Grouping);
+cl::opt<bool> DarwinFormat("m", cl::desc("Alias for --format=darwin"),
+ cl::Grouping);
static cl::list<std::string>
ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
cl::desc("Precede each symbol with the object file it came from"));
cl::alias PrintFileNameA("A", cl::desc("Alias for --print-file-name"),
- cl::aliasopt(PrintFileName));
+ cl::aliasopt(PrintFileName), cl::Grouping);
cl::alias PrintFileNameo("o", cl::desc("Alias for --print-file-name"),
- cl::aliasopt(PrintFileName));
+ cl::aliasopt(PrintFileName), cl::Grouping);
cl::opt<bool> DebugSyms("debug-syms",
cl::desc("Show all symbols, even debugger only"));
cl::alias DebugSymsa("a", cl::desc("Alias for --debug-syms"),
- cl::aliasopt(DebugSyms));
+ cl::aliasopt(DebugSyms), cl::Grouping);
cl::opt<bool> NumericSort("numeric-sort", cl::desc("Sort symbols by address"));
cl::alias NumericSortn("n", cl::desc("Alias for --numeric-sort"),
- cl::aliasopt(NumericSort));
+ cl::aliasopt(NumericSort), cl::Grouping);
cl::alias NumericSortv("v", cl::desc("Alias for --numeric-sort"),
- cl::aliasopt(NumericSort));
+ cl::aliasopt(NumericSort), cl::Grouping);
cl::opt<bool> NoSort("no-sort", cl::desc("Show symbols in order encountered"));
-cl::alias NoSortp("p", cl::desc("Alias for --no-sort"), cl::aliasopt(NoSort));
+cl::alias NoSortp("p", cl::desc("Alias for --no-sort"), cl::aliasopt(NoSort),
+ cl::Grouping);
cl::opt<bool> ReverseSort("reverse-sort", cl::desc("Sort in reverse order"));
cl::alias ReverseSortr("r", cl::desc("Alias for --reverse-sort"),
- cl::aliasopt(ReverseSort));
+ cl::aliasopt(ReverseSort), cl::Grouping);
cl::opt<bool> PrintSize("print-size",
cl::desc("Show symbol size instead of address"));
cl::alias PrintSizeS("S", cl::desc("Alias for --print-size"),
- cl::aliasopt(PrintSize));
+ cl::aliasopt(PrintSize), cl::Grouping);
cl::opt<bool> SizeSort("size-sort", cl::desc("Sort symbols by size"));
cl::opt<bool> ArchiveMap("print-armap", cl::desc("Print the archive map"));
cl::alias ArchiveMaps("M", cl::desc("Alias for --print-armap"),
- cl::aliasopt(ArchiveMap));
+ cl::aliasopt(ArchiveMap), cl::Grouping);
cl::opt<bool> JustSymbolName("just-symbol-name",
cl::desc("Print just the symbol's name"));
cl::alias JustSymbolNames("j", cl::desc("Alias for --just-symbol-name"),
- cl::aliasopt(JustSymbolName));
+ cl::aliasopt(JustSymbolName), cl::Grouping);
// FIXME: This option takes exactly two strings and should be allowed anywhere
// on the command line. Such that "llvm-nm -s __TEXT __text foo.o" would work.
"and section name, Mach-O only"));
cl::opt<bool> FormatMachOasHex("x", cl::desc("Print symbol entry in hex, "
- "Mach-O only"));
+ "Mach-O only"), cl::Grouping);
cl::opt<bool> NoLLVMBitcode("no-llvm-bc",
cl::desc("Disable LLVM bitcode reader"));
bool HadError = false;
std::string ToolName;
-}
+} // anonymous namespace
static void error(Twine Message, Twine Path = Twine()) {
HadError = true;
uint64_t Size;
char TypeChar;
StringRef Name;
- DataRefImpl Symb;
+ BasicSymbolRef Sym;
};
-}
+} // anonymous namespace
static bool compareSymbolAddress(const NMSymbol &A, const NMSymbol &B) {
- if (!ReverseSort) {
- if (A.Address < B.Address)
- return true;
- else if (A.Address == B.Address && A.Name < B.Name)
- return true;
- else if (A.Address == B.Address && A.Name == B.Name && A.Size < B.Size)
- return true;
- else
- return false;
- } else {
- if (A.Address > B.Address)
- return true;
- else if (A.Address == B.Address && A.Name > B.Name)
- return true;
- else if (A.Address == B.Address && A.Name == B.Name && A.Size > B.Size)
- return true;
- else
- return false;
- }
+ bool ADefined = !(A.Sym.getFlags() & SymbolRef::SF_Undefined);
+ bool BDefined = !(B.Sym.getFlags() & SymbolRef::SF_Undefined);
+ return std::make_tuple(ADefined, A.Address, A.Name, A.Size) <
+ std::make_tuple(BDefined, B.Address, B.Name, B.Size);
}
static bool compareSymbolSize(const NMSymbol &A, const NMSymbol &B) {
- if (!ReverseSort) {
- if (A.Size < B.Size)
- return true;
- else if (A.Size == B.Size && A.Name < B.Name)
- return true;
- else if (A.Size == B.Size && A.Name == B.Name && A.Address < B.Address)
- return true;
- else
- return false;
- } else {
- if (A.Size > B.Size)
- return true;
- else if (A.Size == B.Size && A.Name > B.Name)
- return true;
- else if (A.Size == B.Size && A.Name == B.Name && A.Address > B.Address)
- return true;
- else
- return false;
- }
+ return std::make_tuple(A.Size, A.Name, A.Address) <
+ std::make_tuple(B.Size, B.Name, B.Address);
}
static bool compareSymbolName(const NMSymbol &A, const NMSymbol &B) {
- if (!ReverseSort) {
- if (A.Name < B.Name)
- return true;
- else if (A.Name == B.Name && A.Size < B.Size)
- return true;
- else if (A.Name == B.Name && A.Size == B.Size && A.Address < B.Address)
- return true;
- else
- return false;
- } else {
- if (A.Name > B.Name)
- return true;
- else if (A.Name == B.Name && A.Size > B.Size)
- return true;
- else if (A.Name == B.Name && A.Size == B.Size && A.Address > B.Address)
- return true;
- else
- return false;
- }
+ return std::make_tuple(A.Name, A.Size, A.Address) <
+ std::make_tuple(B.Name, B.Size, B.Address);
}
static char isSymbolList64Bit(SymbolicFile &Obj) {
- if (isa<IRObjectFile>(Obj))
- return false;
- else if (isa<COFFObjectFile>(Obj))
+ if (isa<IRObjectFile>(Obj)) {
+ IRObjectFile *IRobj = dyn_cast<IRObjectFile>(&Obj);
+ Module &M = IRobj->getModule();
+ if (M.getTargetTriple().empty())
+ return false;
+ Triple T(M.getTargetTriple());
+ return T.isArch64Bit();
+ }
+ if (isa<COFFObjectFile>(Obj))
return false;
- else if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj))
+ if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj))
return MachO->is64Bit();
- else if (isa<ELF32LEObjectFile>(Obj))
- return false;
- else if (isa<ELF64LEObjectFile>(Obj))
- return true;
- else if (isa<ELF32BEObjectFile>(Obj))
- return false;
- else if (isa<ELF64BEObjectFile>(Obj))
- return true;
- else
- return false;
+ return cast<ELFObjectFileBase>(Obj).getBytesInAddress() == 8;
}
static StringRef CurrentFilename;
typedef std::vector<NMSymbol> SymbolListT;
static SymbolListT SymbolList;
+static char getSymbolNMTypeChar(IRObjectFile &Obj, basic_symbol_iterator I);
+
// darwinPrintSymbol() is used to print a symbol from a Mach-O file when the
// the OutputFormat is darwin or we are printing Mach-O symbols in hex. For
// the darwin format it produces the same output as darwin's nm(1) -m output
// and when printing Mach-O symbols in hex it produces the same output as
// darwin's nm(1) -x format.
-static void darwinPrintSymbol(MachOObjectFile *MachO, SymbolListT::iterator I,
- char *SymbolAddrStr, const char *printBlanks) {
+static void darwinPrintSymbol(SymbolicFile &Obj, SymbolListT::iterator I,
+ char *SymbolAddrStr, const char *printBlanks,
+ const char *printDashes, const char *printFormat) {
MachO::mach_header H;
MachO::mach_header_64 H_64;
uint32_t Filetype, Flags;
MachO::nlist_64 STE_64;
MachO::nlist STE;
- uint8_t NType;
- uint8_t NSect;
- uint16_t NDesc;
- uint32_t NStrx;
- uint64_t NValue;
- if (MachO->is64Bit()) {
- H_64 = MachO->MachOObjectFile::getHeader64();
- Filetype = H_64.filetype;
- Flags = H_64.flags;
- STE_64 = MachO->getSymbol64TableEntry(I->Symb);
- NType = STE_64.n_type;
- NSect = STE_64.n_sect;
- NDesc = STE_64.n_desc;
- NStrx = STE_64.n_strx;
- NValue = STE_64.n_value;
+ uint8_t NType = 0;
+ uint8_t NSect = 0;
+ uint16_t NDesc = 0;
+ uint32_t NStrx = 0;
+ uint64_t NValue = 0;
+ MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj);
+ if (Obj.isIR()) {
+ uint32_t SymFlags = I->Sym.getFlags();
+ if (SymFlags & SymbolRef::SF_Global)
+ NType |= MachO::N_EXT;
+ if (SymFlags & SymbolRef::SF_Hidden)
+ NType |= MachO::N_PEXT;
+ if (SymFlags & SymbolRef::SF_Undefined)
+ NType |= MachO::N_EXT | MachO::N_UNDF;
+ else {
+ // Here we have a symbol definition. So to fake out a section name we
+ // use 1, 2 and 3 for section numbers. See below where they are used to
+ // print out fake section names.
+ NType |= MachO::N_SECT;
+ if(SymFlags & SymbolRef::SF_Const)
+ NSect = 3;
+ else {
+ IRObjectFile *IRobj = dyn_cast<IRObjectFile>(&Obj);
+ char c = getSymbolNMTypeChar(*IRobj, I->Sym);
+ if (c == 't')
+ NSect = 1;
+ else
+ NSect = 2;
+ }
+ }
+ if (SymFlags & SymbolRef::SF_Weak)
+ NDesc |= MachO::N_WEAK_DEF;
} else {
- H = MachO->MachOObjectFile::getHeader();
- Filetype = H.filetype;
- Flags = H.flags;
- STE = MachO->getSymbolTableEntry(I->Symb);
- NType = STE.n_type;
- NSect = STE.n_sect;
- NDesc = STE.n_desc;
- NStrx = STE.n_strx;
- NValue = STE.n_value;
+ DataRefImpl SymDRI = I->Sym.getRawDataRefImpl();
+ if (MachO->is64Bit()) {
+ H_64 = MachO->MachOObjectFile::getHeader64();
+ Filetype = H_64.filetype;
+ Flags = H_64.flags;
+ STE_64 = MachO->getSymbol64TableEntry(SymDRI);
+ NType = STE_64.n_type;
+ NSect = STE_64.n_sect;
+ NDesc = STE_64.n_desc;
+ NStrx = STE_64.n_strx;
+ NValue = STE_64.n_value;
+ } else {
+ H = MachO->MachOObjectFile::getHeader();
+ Filetype = H.filetype;
+ Flags = H.flags;
+ STE = MachO->getSymbolTableEntry(SymDRI);
+ NType = STE.n_type;
+ NSect = STE.n_sect;
+ NDesc = STE.n_desc;
+ NStrx = STE.n_strx;
+ NValue = STE.n_value;
+ }
}
// If we are printing Mach-O symbols in hex do that and return.
if (FormatMachOasHex) {
char Str[18] = "";
- const char *printFormat;
- if (MachO->is64Bit())
- printFormat = "%016" PRIx64;
- else
- printFormat = "%08" PRIx64;
format(printFormat, NValue).print(Str, sizeof(Str));
outs() << Str << ' ';
format("%02x", NType).print(Str, sizeof(Str));
if (PrintAddress) {
if ((NType & MachO::N_TYPE) == MachO::N_INDR)
strcpy(SymbolAddrStr, printBlanks);
+ if (Obj.isIR() && (NType & MachO::N_TYPE) == MachO::N_TYPE)
+ strcpy(SymbolAddrStr, printDashes);
outs() << SymbolAddrStr << ' ';
}
outs() << "(indirect) ";
break;
case MachO::N_SECT: {
- section_iterator Sec = MachO->section_end();
- MachO->getSymbolSection(I->Symb, Sec);
+ if (Obj.isIR()) {
+ // For llvm bitcode files print out a fake section name using the values
+ // use 1, 2 and 3 for section numbers as set above.
+ if (NSect == 1)
+ outs() << "(LTO,CODE) ";
+ else if (NSect == 2)
+ outs() << "(LTO,DATA) ";
+ else if (NSect == 3)
+ outs() << "(LTO,RODATA) ";
+ else
+ outs() << "(?,?) ";
+ break;
+ }
+ section_iterator Sec = *MachO->getSymbolSection(I->Sym.getRawDataRefImpl());
DataRefImpl Ref = Sec->getRawDataRefImpl();
StringRef SectionName;
MachO->getSectionName(Ref, SectionName);
if ((NType & MachO::N_TYPE) == MachO::N_INDR) {
outs() << I->Name << " (for ";
StringRef IndirectName;
- if (MachO->getIndirectName(I->Symb, IndirectName))
+ if (!MachO ||
+ MachO->getIndirectName(I->Sym.getRawDataRefImpl(), IndirectName))
outs() << "?)";
else
outs() << IndirectName << ")";
outs() << " (dynamically looked up)";
else {
StringRef LibraryName;
- if (MachO->getLibraryShortNameByIndex(LibraryOrdinal - 1, LibraryName))
+ if (!MachO ||
+ MachO->getLibraryShortNameByIndex(LibraryOrdinal - 1, LibraryName))
outs() << " (from bad library ordinal " << LibraryOrdinal << ")";
else
outs() << " (from " << LibraryName << ")";
{MachO::N_ECOMM, "ECOMM"},
{MachO::N_ECOML, "ECOML"},
{MachO::N_LENG, "LENG"},
- {0, 0}};
+ {0, nullptr}};
+
static const char *getDarwinStabString(uint8_t NType) {
for (unsigned i = 0; DarwinStabNames[i].Name; i++) {
if (DarwinStabNames[i].NType == NType)
return DarwinStabNames[i].Name;
}
- return 0;
+ return nullptr;
}
// darwinPrintStab() prints the n_sect, n_desc along with a symbolic name of
uint8_t NType;
uint8_t NSect;
uint16_t NDesc;
+ DataRefImpl SymDRI = I->Sym.getRawDataRefImpl();
if (MachO->is64Bit()) {
- STE_64 = MachO->getSymbol64TableEntry(I->Symb);
+ STE_64 = MachO->getSymbol64TableEntry(SymDRI);
NType = STE_64.n_type;
NSect = STE_64.n_sect;
NDesc = STE_64.n_desc;
} else {
- STE = MachO->getSymbolTableEntry(I->Symb);
+ STE = MachO->getSymbolTableEntry(SymDRI);
NType = STE.n_type;
NSect = STE.n_sect;
NDesc = STE.n_desc;
std::string ArchiveName,
std::string ArchitectureName) {
if (!NoSort) {
+ std::function<bool(const NMSymbol &, const NMSymbol &)> Cmp;
if (NumericSort)
- std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolAddress);
+ Cmp = compareSymbolAddress;
else if (SizeSort)
- std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolSize);
+ Cmp = compareSymbolSize;
else
- std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolName);
+ Cmp = compareSymbolName;
+
+ if (ReverseSort)
+ Cmp = [=](const NMSymbol &A, const NMSymbol &B) { return Cmp(B, A); };
+ std::sort(SymbolList.begin(), SymbolList.end(), Cmp);
}
if (!PrintFileName) {
}
}
- const char *printBlanks, *printFormat;
+ 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) {
- if ((I->TypeChar != 'U') && UndefinedOnly)
+ uint32_t SymFlags = I->Sym.getFlags();
+ bool Undefined = SymFlags & SymbolRef::SF_Undefined;
+ if (!Undefined && UndefinedOnly)
+ continue;
+ if (Undefined && DefinedOnly)
continue;
- if ((I->TypeChar == 'U') && DefinedOnly)
+ bool Global = SymFlags & SymbolRef::SF_Global;
+ if (!Global && ExternalOnly)
continue;
- if (SizeSort && !PrintAddress && I->Size == UnknownAddressOrSize)
+ if (SizeSort && !PrintAddress)
continue;
if (PrintFileName) {
if (!ArchitectureName.empty())
outs() << ArchiveName << ":";
outs() << CurrentFilename << ": ";
}
- if (JustSymbolName || (UndefinedOnly && isa<MachOObjectFile>(Obj))) {
+ 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->Address == UnknownAddressOrSize)
+ if (OutputFormat == sysv || I->TypeChar == 'U')
strcpy(SymbolAddrStr, printBlanks);
if (OutputFormat == sysv)
strcpy(SymbolSizeStr, printBlanks);
- if (I->Address != UnknownAddressOrSize)
- format(printFormat, I->Address)
+ if (I->TypeChar != 'U') {
+ if (Obj.isIR())
+ strcpy(SymbolAddrStr, printDashes);
+ else
+ format(printFormat, I->Address)
.print(SymbolAddrStr, sizeof(SymbolAddrStr));
- if (I->Size != UnknownAddressOrSize)
- format(printFormat, I->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
+ }
+ 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
// 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) {
- darwinPrintSymbol(MachO, I, SymbolAddrStr, printBlanks);
+ if ((OutputFormat == darwin || FormatMachOasHex) && (MachO || Obj.isIR())) {
+ darwinPrintSymbol(Obj, I, SymbolAddrStr, printBlanks, printDashes,
+ printFormat);
} else if (OutputFormat == posix) {
- outs() << I->Name << " " << I->TypeChar << " " << SymbolAddrStr
- << SymbolSizeStr << "\n";
+ 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;
- if (I->Size != UnknownAddressOrSize)
- outs() << ' ';
+ outs() << ' ';
}
outs() << I->TypeChar;
if (I->TypeChar == '-' && MachO)
SymbolList.clear();
}
-template <class ELFT>
-static char getSymbolNMTypeChar(ELFObjectFile<ELFT> &Obj,
+static char getSymbolNMTypeChar(ELFObjectFileBase &Obj,
basic_symbol_iterator I) {
- typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
- typedef typename ELFObjectFile<ELFT>::Elf_Shdr Elf_Shdr;
-
// OK, this is ELF
- symbol_iterator SymI(I);
+ elf_symbol_iterator SymI(I);
- DataRefImpl Symb = I->getRawDataRefImpl();
- const Elf_Sym *ESym = Obj.getSymbol(Symb);
- const ELFFile<ELFT> &EF = *Obj.getELFFile();
- const Elf_Shdr *ESec = EF.getSection(ESym);
+ ErrorOr<elf_section_iterator> SecIOrErr = SymI->getSection();
+ if (error(SecIOrErr.getError()))
+ return '?';
- if (ESec) {
- switch (ESec->sh_type) {
+ elf_section_iterator SecI = *SecIOrErr;
+ if (SecI != Obj.section_end()) {
+ switch (SecI->getType()) {
case ELF::SHT_PROGBITS:
case ELF::SHT_DYNAMIC:
- switch (ESec->sh_flags) {
+ switch (SecI->getFlags()) {
case (ELF::SHF_ALLOC | ELF::SHF_EXECINSTR):
return 't';
case (ELF::SHF_TLS | ELF::SHF_ALLOC | ELF::SHF_WRITE):
}
}
- if (ESym->getType() == ELF::STT_SECTION) {
- StringRef Name;
- if (error(SymI->getName(Name)))
+ if (SymI->getELFType() == ELF::STT_SECTION) {
+ ErrorOr<StringRef> Name = SymI->getName();
+ if (error(Name.getError()))
return '?';
- return StringSwitch<char>(Name)
+ return StringSwitch<char>(*Name)
.StartsWith(".debug", 'N')
.StartsWith(".note", 'n')
.Default('?');
}
- return '?';
+ return 'n';
}
static char getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I) {
// OK, this is COFF.
symbol_iterator SymI(I);
- StringRef Name;
- if (error(SymI->getName(Name)))
+ ErrorOr<StringRef> Name = SymI->getName();
+ if (error(Name.getError()))
return '?';
- char Ret = StringSwitch<char>(Name)
+ char Ret = StringSwitch<char>(*Name)
.StartsWith(".debug", 'N')
.StartsWith(".sxdata", 'N')
.Default('?');
uint32_t Characteristics = 0;
if (!COFF::isReservedSectionNumber(Symb.getSectionNumber())) {
- section_iterator SecI = Obj.section_end();
- if (error(SymI->getSection(SecI)))
+ ErrorOr<section_iterator> SecIOrErr = SymI->getSection();
+ if (error(SecIOrErr.getError()))
return '?';
+ section_iterator SecI = *SecIOrErr;
const coff_section *Section = Obj.getCOFFSection(*SecI);
Characteristics = Section->Characteristics;
}
// Check section type.
if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
return 't';
- else if (Characteristics & COFF::IMAGE_SCN_MEM_READ &&
- ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
- return 'r';
- else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
- return 'd';
- else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
+ if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
+ return Characteristics & COFF::IMAGE_SCN_MEM_WRITE ? 'd' : 'r';
+ if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
return 'b';
- else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
+ if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
return 'i';
-
// Check for section symbol.
- else if (Symb.isSectionDefinition())
+ if (Symb.isSectionDefinition())
return 's';
}
case MachO::N_INDR:
return 'i';
case MachO::N_SECT: {
- section_iterator Sec = Obj.section_end();
- Obj.getSymbolSection(Symb, Sec);
+ section_iterator Sec = *Obj.getSymbolSection(Symb);
DataRefImpl Ref = Sec->getRawDataRefImpl();
StringRef SectionName;
Obj.getSectionName(Ref, SectionName);
return getSymbolNMTypeChar(*GV);
}
-template <class ELFT>
-static bool isELFObject(ELFObjectFile<ELFT> &Obj, symbol_iterator I) {
- typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
-
- DataRefImpl Symb = I->getRawDataRefImpl();
- const Elf_Sym *ESym = Obj.getSymbol(Symb);
-
- return ESym->getType() == ELF::STT_OBJECT;
-}
-
static bool isObject(SymbolicFile &Obj, basic_symbol_iterator I) {
- if (ELF32LEObjectFile *ELF = dyn_cast<ELF32LEObjectFile>(&Obj))
- return isELFObject(*ELF, I);
- if (ELF64LEObjectFile *ELF = dyn_cast<ELF64LEObjectFile>(&Obj))
- return isELFObject(*ELF, I);
- if (ELF32BEObjectFile *ELF = dyn_cast<ELF32BEObjectFile>(&Obj))
- return isELFObject(*ELF, I);
- if (ELF64BEObjectFile *ELF = dyn_cast<ELF64BEObjectFile>(&Obj))
- return isELFObject(*ELF, I);
- return false;
+ auto *ELF = dyn_cast<ELFObjectFileBase>(&Obj);
+ if (!ELF)
+ return false;
+
+ return elf_symbol_iterator(I)->getELFType() == ELF::STT_OBJECT;
}
static char getNMTypeChar(SymbolicFile &Obj, basic_symbol_iterator I) {
char Ret = '?';
if (Symflags & object::SymbolRef::SF_Absolute)
Ret = 'a';
- else if (IRObjectFile *IR = dyn_cast<IRObjectFile>(&Obj))
+ else if (IRObjectFile *IR = dyn_cast<IRObjectFile>(&Obj)) {
Ret = getSymbolNMTypeChar(*IR, I);
+ Triple Host(sys::getDefaultTargetTriple());
+ if (Ret == 'd' && Host.isOSDarwin()) {
+ if(Symflags & SymbolRef::SF_Const)
+ Ret = 's';
+ }
+ }
else if (COFFObjectFile *COFF = dyn_cast<COFFObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*COFF, I);
else if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*MachO, I);
- else if (ELF32LEObjectFile *ELF = dyn_cast<ELF32LEObjectFile>(&Obj))
- Ret = getSymbolNMTypeChar(*ELF, I);
- else if (ELF64LEObjectFile *ELF = dyn_cast<ELF64LEObjectFile>(&Obj))
- Ret = getSymbolNMTypeChar(*ELF, I);
- else if (ELF32BEObjectFile *ELF = dyn_cast<ELF32BEObjectFile>(&Obj))
- Ret = getSymbolNMTypeChar(*ELF, I);
else
- Ret = getSymbolNMTypeChar(cast<ELF64BEObjectFile>(Obj), I);
+ Ret = getSymbolNMTypeChar(cast<ELFObjectFileBase>(Obj), I);
if (Symflags & object::SymbolRef::SF_Global)
Ret = toupper(Ret);
// It is called once for each symbol in a Mach-O file from
// dumpSymbolNamesFromObject() and returns the section number for that symbol
// if it is in a section, else it returns 0.
-static unsigned getNsectInMachO(MachOObjectFile &Obj, basic_symbol_iterator I) {
- DataRefImpl Symb = I->getRawDataRefImpl();
+static unsigned getNsectInMachO(MachOObjectFile &Obj, BasicSymbolRef Sym) {
+ DataRefImpl Symb = Sym.getRawDataRefImpl();
if (Obj.is64Bit()) {
MachO::nlist_64 STE = Obj.getSymbol64TableEntry(Symb);
if ((STE.n_type & MachO::N_TYPE) == MachO::N_SECT)
std::string ArchiveName = std::string(),
std::string ArchitectureName =
std::string()) {
- basic_symbol_iterator IBegin = Obj.symbol_begin();
- basic_symbol_iterator IEnd = Obj.symbol_end();
+ auto Symbols = Obj.symbols();
if (DynamicSyms) {
- if (!Obj.isELF()) {
+ const auto *E = dyn_cast<ELFObjectFileBase>(&Obj);
+ if (!E) {
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;
+ auto DynSymbols = E->getDynamicSymbolIterators();
+ Symbols =
+ make_range<basic_symbol_iterator>(DynSymbols.begin(), DynSymbols.end());
}
std::string NameBuffer;
raw_string_ostream OS(NameBuffer);
if (Nsect == 0)
return;
}
- for (basic_symbol_iterator I = IBegin; I != IEnd; ++I) {
- uint32_t SymFlags = I->getFlags();
+ 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(I->getRawDataRefImpl());
+ 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, I))
+ if (Nsect && Nsect != getNsectInMachO(*MachO, Sym))
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;
+ S.Size = 0;
+ S.Address = 0;
+ if (PrintSize) {
+ if (isa<ELFObjectFileBase>(&Obj))
+ S.Size = ELFSymbolRef(Sym).getSize();
}
- if (PrintAddress && isa<ObjectFile>(Obj))
- if (error(symbol_iterator(I)->getAddress(S.Address)))
+ if (PrintAddress && isa<ObjectFile>(Obj)) {
+ SymbolRef SymRef(Sym);
+ ErrorOr<uint64_t> AddressOrErr = SymRef.getAddress();
+ if (error(AddressOrErr.getError()))
break;
- S.TypeChar = getNMTypeChar(Obj, I);
- if (error(I->printName(OS)))
+ S.Address = *AddressOrErr;
+ }
+ S.TypeChar = getNMTypeChar(Obj, Sym);
+ if (error(Sym.printName(OS)))
break;
OS << '\0';
- S.Symb = I->getRawDataRefImpl();
+ S.Sym = Sym;
SymbolList.push_back(S);
}
// architectures was specificed. If not then an error is generated and this
// routine returns false. Else it returns true.
static bool checkMachOAndArchFlags(SymbolicFile *O, std::string &Filename) {
- if (isa<MachOObjectFile>(O) && !ArchAll && ArchFlags.size() != 0) {
- MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(O);
- bool ArchFound = false;
- MachO::mach_header H;
- MachO::mach_header_64 H_64;
- Triple T;
- if (MachO->is64Bit()) {
- H_64 = MachO->MachOObjectFile::getHeader64();
- T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
- } else {
- H = MachO->MachOObjectFile::getHeader();
- T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
- }
- unsigned i;
- for (i = 0; i < ArchFlags.size(); ++i) {
- if (ArchFlags[i] == T.getArchName())
- ArchFound = true;
- break;
- }
- if (!ArchFound) {
- error(ArchFlags[i],
- "file: " + Filename + " does not contain architecture");
- return false;
- }
+ MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(O);
+
+ if (!MachO || ArchAll || ArchFlags.size() == 0)
+ return true;
+
+ MachO::mach_header H;
+ MachO::mach_header_64 H_64;
+ Triple T;
+ if (MachO->is64Bit()) {
+ H_64 = MachO->MachOObjectFile::getHeader64();
+ T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
+ } else {
+ H = MachO->MachOObjectFile::getHeader();
+ T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
+ }
+ if (std::none_of(
+ ArchFlags.begin(), ArchFlags.end(),
+ [&](const std::string &Name) { return Name == T.getArchName(); })) {
+ error("No architecture specified", Filename);
+ return false;
}
return true;
}
if (I != E) {
outs() << "Archive map\n";
for (; I != E; ++I) {
- ErrorOr<Archive::child_iterator> C = I->getMember();
+ ErrorOr<Archive::Child> C = I->getMember();
if (error(C.getError()))
return;
- ErrorOr<StringRef> FileNameOrErr = C.get()->getName();
+ ErrorOr<StringRef> FileNameOrErr = C->getName();
if (error(FileNameOrErr.getError()))
return;
StringRef SymName = I->getName();
for (Archive::child_iterator I = A->child_begin(), E = A->child_end();
I != E; ++I) {
- ErrorOr<std::unique_ptr<Binary>> ChildOrErr = I->getAsBinary(&Context);
+ if (error(I->getError()))
+ return;
+ auto &C = I->get();
+ ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary(&Context);
if (ChildOrErr.getError())
continue;
if (SymbolicFile *O = dyn_cast<SymbolicFile>(&*ChildOrErr.get())) {
ArchFound = true;
ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
I->getAsObjectFile();
- std::unique_ptr<Archive> A;
std::string ArchiveName;
std::string ArchitectureName;
ArchiveName.clear();
}
dumpSymbolNamesFromObject(Obj, false, ArchiveName,
ArchitectureName);
- } else if (!I->getAsArchive(A)) {
+ } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
+ I->getAsArchive()) {
+ std::unique_ptr<Archive> &A = *AOrErr;
for (Archive::child_iterator AI = A->child_begin(),
AE = A->child_end();
AI != AE; ++AI) {
+ if (error(AI->getError()))
+ return;
+ auto &C = AI->get();
ErrorOr<std::unique_ptr<Binary>> ChildOrErr =
- AI->getAsBinary(&Context);
+ C.getAsBinary(&Context);
if (ChildOrErr.getError())
continue;
if (SymbolicFile *O =
I != E; ++I) {
if (HostArchName == I->getArchTypeName()) {
ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
- std::unique_ptr<Archive> A;
std::string ArchiveName;
ArchiveName.clear();
if (ObjOrErr) {
ObjectFile &Obj = *ObjOrErr.get();
dumpSymbolNamesFromObject(Obj, false);
- } else if (!I->getAsArchive(A)) {
+ } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
+ I->getAsArchive()) {
+ std::unique_ptr<Archive> &A = *AOrErr;
for (Archive::child_iterator AI = A->child_begin(),
AE = A->child_end();
AI != AE; ++AI) {
+ if (error(AI->getError()))
+ return;
+ auto &C = AI->get();
ErrorOr<std::unique_ptr<Binary>> ChildOrErr =
- AI->getAsBinary(&Context);
+ C.getAsBinary(&Context);
if (ChildOrErr.getError())
continue;
if (SymbolicFile *O =
E = UB->end_objects();
I != E; ++I) {
ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
- std::unique_ptr<Archive> A;
std::string ArchiveName;
std::string ArchitectureName;
ArchiveName.clear();
outs() << ":\n";
}
dumpSymbolNamesFromObject(Obj, false, ArchiveName, ArchitectureName);
- } else if (!I->getAsArchive(A)) {
+ } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
+ std::unique_ptr<Archive> &A = *AOrErr;
for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
AI != AE; ++AI) {
- ErrorOr<std::unique_ptr<Binary>> ChildOrErr =
- AI->getAsBinary(&Context);
+ if (error(AI->getError()))
+ return;
+ auto &C = AI->get();
+ ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary(&Context);
if (ChildOrErr.getError())
continue;
if (SymbolicFile *O = dyn_cast<SymbolicFile>(&*ChildOrErr.get())) {
return;
}
error("unrecognizable file type", Filename);
- return;
}
int main(int argc, char **argv) {