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-rw-r--r--tools/llvm-nm/llvm-nm.cpp463
1 files changed, 350 insertions, 113 deletions
diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp
index 3bd9ef9..be2c4fa 100644
--- a/tools/llvm-nm/llvm-nm.cpp
+++ b/tools/llvm-nm/llvm-nm.cpp
@@ -87,8 +87,8 @@ cl::opt<bool> POSIXFormat("P", cl::desc("Alias for --format=posix"));
cl::opt<bool> DarwinFormat("m", cl::desc("Alias for --format=darwin"));
static cl::list<std::string>
-ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
- cl::ZeroOrMore);
+ ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
+ cl::ZeroOrMore);
bool ArchAll = false;
cl::opt<bool> PrintFileName(
@@ -136,6 +136,22 @@ 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));
+
+// 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.
+// But that does not as the CommandLine Library does not have a way to make
+// this work. For now the "-s __TEXT __text" has to be last on the command
+// line.
+cl::list<std::string> SegSect("s", cl::Positional, cl::ZeroOrMore,
+ cl::desc("Dump only symbols from this segment "
+ "and section name, Mach-O only"));
+
+cl::opt<bool> FormatMachOasHex("x", cl::desc("Print symbol entry in hex, "
+ "Mach-O only"));
+
+cl::opt<bool> NoLLVMBitcode("no-llvm-bc",
+ cl::desc("Disable LLVM bitcode reader"));
+
bool PrintAddress = true;
bool MultipleFiles = false;
@@ -234,12 +250,12 @@ static bool compareSymbolName(const NMSymbol &A, const NMSymbol &B) {
}
}
-static char isSymbolList64Bit(SymbolicFile *Obj) {
+static char isSymbolList64Bit(SymbolicFile &Obj) {
if (isa<IRObjectFile>(Obj))
return false;
else if (isa<COFFObjectFile>(Obj))
return false;
- else if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj))
+ else if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj))
return MachO->is64Bit();
else if (isa<ELF32LEObjectFile>(Obj))
return false;
@@ -258,8 +274,10 @@ typedef std::vector<NMSymbol> SymbolListT;
static SymbolListT SymbolList;
// darwinPrintSymbol() is used to print a symbol from a Mach-O file when the
-// the OutputFormat is darwin. It produces the same output as darwin's nm(1) -m
-// output.
+// 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) {
MachO::mach_header H;
@@ -268,7 +286,9 @@ static void darwinPrintSymbol(MachOObjectFile *MachO, SymbolListT::iterator I,
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();
@@ -276,7 +296,9 @@ static void darwinPrintSymbol(MachOObjectFile *MachO, SymbolListT::iterator I,
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;
} else {
H = MachO->MachOObjectFile::getHeader();
@@ -284,10 +306,34 @@ static void darwinPrintSymbol(MachOObjectFile *MachO, SymbolListT::iterator I,
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;
}
+ // 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));
+ outs() << Str << ' ';
+ format("%02x", NSect).print(Str, sizeof(Str));
+ outs() << Str << ' ';
+ format("%04x", NDesc).print(Str, sizeof(Str));
+ outs() << Str << ' ';
+ format("%08x", NStrx).print(Str, sizeof(Str));
+ outs() << Str << ' ';
+ outs() << I->Name << "\n";
+ return;
+ }
+
if (PrintAddress) {
if ((NType & MachO::N_TYPE) == MachO::N_INDR)
strcpy(SymbolAddrStr, printBlanks);
@@ -414,7 +460,87 @@ static void darwinPrintSymbol(MachOObjectFile *MachO, SymbolListT::iterator I,
outs() << "\n";
}
-static void sortAndPrintSymbolList(SymbolicFile *Obj, bool printName) {
+// Table that maps Darwin's Mach-O stab constants to strings to allow printing.
+struct DarwinStabName {
+ uint8_t NType;
+ const char *Name;
+};
+static const struct DarwinStabName DarwinStabNames[] = {
+ {MachO::N_GSYM, "GSYM"},
+ {MachO::N_FNAME, "FNAME"},
+ {MachO::N_FUN, "FUN"},
+ {MachO::N_STSYM, "STSYM"},
+ {MachO::N_LCSYM, "LCSYM"},
+ {MachO::N_BNSYM, "BNSYM"},
+ {MachO::N_PC, "PC"},
+ {MachO::N_AST, "AST"},
+ {MachO::N_OPT, "OPT"},
+ {MachO::N_RSYM, "RSYM"},
+ {MachO::N_SLINE, "SLINE"},
+ {MachO::N_ENSYM, "ENSYM"},
+ {MachO::N_SSYM, "SSYM"},
+ {MachO::N_SO, "SO"},
+ {MachO::N_OSO, "OSO"},
+ {MachO::N_LSYM, "LSYM"},
+ {MachO::N_BINCL, "BINCL"},
+ {MachO::N_SOL, "SOL"},
+ {MachO::N_PARAMS, "PARAM"},
+ {MachO::N_VERSION, "VERS"},
+ {MachO::N_OLEVEL, "OLEV"},
+ {MachO::N_PSYM, "PSYM"},
+ {MachO::N_EINCL, "EINCL"},
+ {MachO::N_ENTRY, "ENTRY"},
+ {MachO::N_LBRAC, "LBRAC"},
+ {MachO::N_EXCL, "EXCL"},
+ {MachO::N_RBRAC, "RBRAC"},
+ {MachO::N_BCOMM, "BCOMM"},
+ {MachO::N_ECOMM, "ECOMM"},
+ {MachO::N_ECOML, "ECOML"},
+ {MachO::N_LENG, "LENG"},
+ {0, 0}};
+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;
+}
+
+// darwinPrintStab() prints the n_sect, n_desc along with a symbolic name of
+// a stab n_type value in a Mach-O file.
+static void darwinPrintStab(MachOObjectFile *MachO, SymbolListT::iterator I) {
+ MachO::nlist_64 STE_64;
+ MachO::nlist STE;
+ uint8_t NType;
+ uint8_t NSect;
+ uint16_t NDesc;
+ if (MachO->is64Bit()) {
+ STE_64 = MachO->getSymbol64TableEntry(I->Symb);
+ NType = STE_64.n_type;
+ NSect = STE_64.n_sect;
+ NDesc = STE_64.n_desc;
+ } else {
+ STE = MachO->getSymbolTableEntry(I->Symb);
+ NType = STE.n_type;
+ NSect = STE.n_sect;
+ NDesc = STE.n_desc;
+ }
+
+ char Str[18] = "";
+ format("%02x", NSect).print(Str, sizeof(Str));
+ outs() << ' ' << Str << ' ';
+ format("%04x", NDesc).print(Str, sizeof(Str));
+ outs() << Str << ' ';
+ if (const char *stabString = getDarwinStabString(NType))
+ format("%5.5s", stabString).print(Str, sizeof(Str));
+ else
+ format(" %02x", NType).print(Str, sizeof(Str));
+ outs() << Str;
+}
+
+static void sortAndPrintSymbolList(SymbolicFile &Obj, bool printName,
+ std::string ArchiveName,
+ std::string ArchitectureName) {
if (!NoSort) {
if (NumericSort)
std::sort(SymbolList.begin(), SymbolList.end(), compareSymbolAddress);
@@ -424,14 +550,16 @@ static void sortAndPrintSymbolList(SymbolicFile *Obj, bool printName) {
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";
+ 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, *printFormat;
@@ -451,7 +579,14 @@ static void sortAndPrintSymbolList(SymbolicFile *Obj, bool printName) {
continue;
if (SizeSort && !PrintAddress && I->Size == UnknownAddressOrSize)
continue;
- if (JustSymbolName) {
+ if (PrintFileName) {
+ if (!ArchitectureName.empty())
+ outs() << "(for architecture " << ArchitectureName << "):";
+ if (!ArchiveName.empty())
+ outs() << ArchiveName << ":";
+ outs() << CurrentFilename << ": ";
+ }
+ if (JustSymbolName || (UndefinedOnly && isa<MachOObjectFile>(Obj))) {
outs() << I->Name << "\n";
continue;
}
@@ -470,11 +605,13 @@ static void sortAndPrintSymbolList(SymbolicFile *Obj, bool printName) {
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) {
+ // 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) {
darwinPrintSymbol(MachO, I, SymbolAddrStr, printBlanks);
} else if (OutputFormat == posix) {
outs() << I->Name << " " << I->TypeChar << " " << SymbolAddrStr
@@ -487,7 +624,10 @@ static void sortAndPrintSymbolList(SymbolicFile *Obj, bool printName) {
if (I->Size != UnknownAddressOrSize)
outs() << ' ';
}
- outs() << I->TypeChar << " " << I->Name << "\n";
+ 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)
@@ -549,7 +689,7 @@ static char getSymbolNMTypeChar(ELFObjectFile<ELFT> &Obj,
}
static char getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I) {
- const coff_symbol *Symb = Obj.getCOFFSymbol(*I);
+ COFFSymbolRef Symb = Obj.getCOFFSymbol(*I);
// OK, this is COFF.
symbol_iterator SymI(I);
@@ -566,7 +706,7 @@ static char getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I) {
return Ret;
uint32_t Characteristics = 0;
- if (!COFF::isReservedSectionNumber(Symb->SectionNumber)) {
+ if (!COFF::isReservedSectionNumber(Symb.getSectionNumber())) {
section_iterator SecI = Obj.section_end();
if (error(SymI->getSection(SecI)))
return '?';
@@ -574,25 +714,21 @@ static char getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I) {
Characteristics = Section->Characteristics;
}
- switch (Symb->SectionNumber) {
+ switch (Symb.getSectionNumber()) {
case COFF::IMAGE_SYM_DEBUG:
return 'n';
default:
// 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';
}
@@ -612,6 +748,9 @@ static char getSymbolNMTypeChar(MachOObjectFile &Obj, basic_symbol_iterator I) {
DataRefImpl Symb = I->getRawDataRefImpl();
uint8_t NType = getNType(Obj, Symb);
+ if (NType & MachO::N_STAB)
+ return '-';
+
switch (NType & MachO::N_TYPE) {
case MachO::N_ABS:
return 's';
@@ -654,7 +793,7 @@ static char getSymbolNMTypeChar(IRObjectFile &Obj, basic_symbol_iterator I) {
}
template <class ELFT>
-static bool isObject(ELFObjectFile<ELFT> &Obj, symbol_iterator I) {
+static bool isELFObject(ELFObjectFile<ELFT> &Obj, symbol_iterator I) {
typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
DataRefImpl Symb = I->getRawDataRefImpl();
@@ -663,19 +802,19 @@ static bool isObject(ELFObjectFile<ELFT> &Obj, symbol_iterator I) {
return ESym->getType() == ELF::STT_OBJECT;
}
-static bool isObject(SymbolicFile *Obj, basic_symbol_iterator I) {
- if (ELF32LEObjectFile *ELF = dyn_cast<ELF32LEObjectFile>(Obj))
- return isObject(*ELF, I);
- if (ELF64LEObjectFile *ELF = dyn_cast<ELF64LEObjectFile>(Obj))
- return isObject(*ELF, I);
- if (ELF32BEObjectFile *ELF = dyn_cast<ELF32BEObjectFile>(Obj))
- return isObject(*ELF, I);
- if (ELF64BEObjectFile *ELF = dyn_cast<ELF64BEObjectFile>(Obj))
- return isObject(*ELF, I);
+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;
}
-static char getNMTypeChar(SymbolicFile *Obj, basic_symbol_iterator I) {
+static char getNMTypeChar(SymbolicFile &Obj, basic_symbol_iterator I) {
uint32_t Symflags = I->getFlags();
if ((Symflags & object::SymbolRef::SF_Weak) && !isa<MachOObjectFile>(Obj)) {
char Ret = isObject(Obj, I) ? 'v' : 'w';
@@ -693,20 +832,20 @@ 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);
- else if (COFFObjectFile *COFF = dyn_cast<COFFObjectFile>(Obj))
+ else if (COFFObjectFile *COFF = dyn_cast<COFFObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*COFF, I);
- else if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj))
+ else if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*MachO, I);
- else if (ELF32LEObjectFile *ELF = dyn_cast<ELF32LEObjectFile>(Obj))
+ else if (ELF32LEObjectFile *ELF = dyn_cast<ELF32LEObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*ELF, I);
- else if (ELF64LEObjectFile *ELF = dyn_cast<ELF64LEObjectFile>(Obj))
+ else if (ELF64LEObjectFile *ELF = dyn_cast<ELF64LEObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*ELF, I);
- else if (ELF32BEObjectFile *ELF = dyn_cast<ELF32BEObjectFile>(Obj))
+ else if (ELF32BEObjectFile *ELF = dyn_cast<ELF32BEObjectFile>(&Obj))
Ret = getSymbolNMTypeChar(*ELF, I);
else
- Ret = getSymbolNMTypeChar(*cast<ELF64BEObjectFile>(Obj), I);
+ Ret = getSymbolNMTypeChar(cast<ELF64BEObjectFile>(Obj), I);
if (Symflags & object::SymbolRef::SF_Global)
Ret = toupper(Ret);
@@ -714,32 +853,90 @@ static char getNMTypeChar(SymbolicFile *Obj, basic_symbol_iterator I) {
return Ret;
}
-static void dumpSymbolNamesFromObject(SymbolicFile *Obj, bool printName) {
- basic_symbol_iterator IBegin = Obj->symbol_begin();
- basic_symbol_iterator IEnd = Obj->symbol_end();
+// getNsectForSegSect() is used to implement the Mach-O "-s segname sectname"
+// option to dump only those symbols from that section in a Mach-O file.
+// It is called once for each Mach-O file from dumpSymbolNamesFromObject()
+// to get the section number for that named section from the command line
+// arguments. It returns the section number for that section in the Mach-O
+// file or zero it is not present.
+static unsigned getNsectForSegSect(MachOObjectFile *Obj) {
+ unsigned Nsect = 1;
+ for (section_iterator I = Obj->section_begin(), E = Obj->section_end();
+ I != E; ++I) {
+ DataRefImpl Ref = I->getRawDataRefImpl();
+ StringRef SectionName;
+ Obj->getSectionName(Ref, SectionName);
+ StringRef SegmentName = Obj->getSectionFinalSegmentName(Ref);
+ if (SegmentName == SegSect[0] && SectionName == SegSect[1])
+ return Nsect;
+ Nsect++;
+ }
+ return 0;
+}
+
+// getNsectInMachO() is used to implement the Mach-O "-s segname sectname"
+// option to dump only those symbols from that section in a Mach-O file.
+// 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();
+ if (Obj.is64Bit()) {
+ MachO::nlist_64 STE = Obj.getSymbol64TableEntry(Symb);
+ if ((STE.n_type & MachO::N_TYPE) == MachO::N_SECT)
+ return STE.n_sect;
+ return 0;
+ }
+ MachO::nlist STE = Obj.getSymbolTableEntry(Symb);
+ if ((STE.n_type & MachO::N_TYPE) == MachO::N_SECT)
+ return STE.n_sect;
+ return 0;
+}
+
+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());
+ if (!Obj.isELF()) {
+ error("File format has no dynamic symbol table", Obj.getFileName());
return;
}
std::pair<symbol_iterator, symbol_iterator> IDyn =
- getELFDynamicSymbolIterators(Obj);
+ 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)) {
+ 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;
@@ -766,8 +963,8 @@ static void dumpSymbolNamesFromObject(SymbolicFile *Obj, bool printName) {
P += strlen(P) + 1;
}
- CurrentFilename = Obj->getFileName();
- sortAndPrintSymbolList(Obj, printName);
+ CurrentFilename = Obj.getFileName();
+ sortAndPrintSymbolList(Obj, printName, ArchiveName, ArchitectureName);
}
// checkMachOAndArchFlags() checks to see if the SymbolicFile is a Mach-O file
@@ -809,16 +1006,15 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
MemoryBuffer::getFileOrSTDIN(Filename);
if (error(BufferOrErr.getError(), Filename))
return;
- std::unique_ptr<MemoryBuffer> Buffer = std::move(BufferOrErr.get());
LLVMContext &Context = getGlobalContext();
- ErrorOr<Binary *> BinaryOrErr = createBinary(Buffer, &Context);
+ ErrorOr<std::unique_ptr<Binary>> BinaryOrErr = createBinary(
+ BufferOrErr.get()->getMemBufferRef(), NoLLVMBitcode ? nullptr : &Context);
if (error(BinaryOrErr.getError(), Filename))
return;
- Buffer.release();
- std::unique_ptr<Binary> Bin(BinaryOrErr.get());
+ Binary &Bin = *BinaryOrErr.get();
- if (Archive *A = dyn_cast<Archive>(Bin.get())) {
+ if (Archive *A = dyn_cast<Archive>(&Bin)) {
if (ArchiveMap) {
Archive::symbol_iterator I = A->symbol_begin();
Archive::symbol_iterator E = A->symbol_end();
@@ -846,18 +1042,20 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
if (SymbolicFile *O = dyn_cast<SymbolicFile>(&*ChildOrErr.get())) {
if (!checkMachOAndArchFlags(O, Filename))
return;
- outs() << "\n";
- if (isa<MachOObjectFile>(O)) {
- outs() << Filename << "(" << O->getFileName() << ")";
- } else
- outs() << O->getFileName();
- outs() << ":\n";
- dumpSymbolNamesFromObject(O, false);
+ if (!PrintFileName) {
+ outs() << "\n";
+ if (isa<MachOObjectFile>(O)) {
+ outs() << Filename << "(" << O->getFileName() << ")";
+ } else
+ outs() << O->getFileName();
+ outs() << ":\n";
+ }
+ dumpSymbolNamesFromObject(*O, false, Filename);
}
}
return;
}
- if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(Bin.get())) {
+ if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) {
// If we have a list of architecture flags specified dump only those.
if (!ArchAll && ArchFlags.size() != 0) {
// Look for a slice in the universal binary that matches each ArchFlag.
@@ -872,14 +1070,22 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
I->getAsObjectFile();
std::unique_ptr<Archive> A;
+ std::string ArchiveName;
+ std::string ArchitectureName;
+ ArchiveName.clear();
+ ArchitectureName.clear();
if (ObjOrErr) {
- std::unique_ptr<ObjectFile> Obj = std::move(ObjOrErr.get());
+ ObjectFile &Obj = *ObjOrErr.get();
if (ArchFlags.size() > 1) {
- outs() << "\n" << Obj->getFileName() << " (for architecture "
- << I->getArchTypeName() << ")"
- << ":\n";
+ if (PrintFileName)
+ ArchitectureName = I->getArchTypeName();
+ else
+ outs() << "\n" << Obj.getFileName() << " (for architecture "
+ << I->getArchTypeName() << ")"
+ << ":\n";
}
- dumpSymbolNamesFromObject(Obj.get(), false);
+ dumpSymbolNamesFromObject(Obj, false, ArchiveName,
+ ArchitectureName);
} else if (!I->getAsArchive(A)) {
for (Archive::child_iterator AI = A->child_begin(),
AE = A->child_end();
@@ -890,14 +1096,21 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
continue;
if (SymbolicFile *O =
dyn_cast<SymbolicFile>(&*ChildOrErr.get())) {
- outs() << "\n" << A->getFileName();
- outs() << "(" << O->getFileName() << ")";
- if (ArchFlags.size() > 1) {
- outs() << " (for architecture " << I->getArchTypeName()
- << ")";
+ if (PrintFileName) {
+ ArchiveName = A->getFileName();
+ if (ArchFlags.size() > 1)
+ ArchitectureName = I->getArchTypeName();
+ } else {
+ outs() << "\n" << A->getFileName();
+ outs() << "(" << O->getFileName() << ")";
+ if (ArchFlags.size() > 1) {
+ outs() << " (for architecture " << I->getArchTypeName()
+ << ")";
+ }
+ outs() << ":\n";
}
- outs() << ":\n";
- dumpSymbolNamesFromObject(O, false);
+ dumpSymbolNamesFromObject(*O, false, ArchiveName,
+ ArchitectureName);
}
}
}
@@ -921,9 +1134,11 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
if (HostArchName == I->getArchTypeName()) {
ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
std::unique_ptr<Archive> A;
+ std::string ArchiveName;
+ ArchiveName.clear();
if (ObjOrErr) {
- std::unique_ptr<ObjectFile> Obj = std::move(ObjOrErr.get());
- dumpSymbolNamesFromObject(Obj.get(), false);
+ ObjectFile &Obj = *ObjOrErr.get();
+ dumpSymbolNamesFromObject(Obj, false);
} else if (!I->getAsArchive(A)) {
for (Archive::child_iterator AI = A->child_begin(),
AE = A->child_end();
@@ -934,10 +1149,13 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
continue;
if (SymbolicFile *O =
dyn_cast<SymbolicFile>(&*ChildOrErr.get())) {
- outs() << "\n" << A->getFileName() << "(" << O->getFileName()
- << ")"
- << ":\n";
- dumpSymbolNamesFromObject(O, false);
+ if (PrintFileName)
+ ArchiveName = A->getFileName();
+ else
+ outs() << "\n" << A->getFileName() << "(" << O->getFileName()
+ << ")"
+ << ":\n";
+ dumpSymbolNamesFromObject(*O, false, ArchiveName);
}
}
}
@@ -953,15 +1171,24 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
I != E; ++I) {
ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
std::unique_ptr<Archive> A;
+ std::string ArchiveName;
+ std::string ArchitectureName;
+ ArchiveName.clear();
+ ArchitectureName.clear();
if (ObjOrErr) {
- std::unique_ptr<ObjectFile> Obj = std::move(ObjOrErr.get());
- if (moreThanOneArch)
- outs() << "\n";
- outs() << Obj->getFileName();
- if (isa<MachOObjectFile>(Obj.get()) && moreThanOneArch)
- outs() << " (for architecture " << I->getArchTypeName() << ")";
- outs() << ":\n";
- dumpSymbolNamesFromObject(Obj.get(), false);
+ ObjectFile &Obj = *ObjOrErr.get();
+ if (PrintFileName) {
+ if (isa<MachOObjectFile>(Obj) && moreThanOneArch)
+ ArchitectureName = I->getArchTypeName();
+ } else {
+ if (moreThanOneArch)
+ outs() << "\n";
+ outs() << Obj.getFileName();
+ if (isa<MachOObjectFile>(Obj) && moreThanOneArch)
+ outs() << " (for architecture " << I->getArchTypeName() << ")";
+ outs() << ":\n";
+ }
+ dumpSymbolNamesFromObject(Obj, false, ArchiveName, ArchitectureName);
} else if (!I->getAsArchive(A)) {
for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
AI != AE; ++AI) {
@@ -970,25 +1197,32 @@ static void dumpSymbolNamesFromFile(std::string &Filename) {
if (ChildOrErr.getError())
continue;
if (SymbolicFile *O = dyn_cast<SymbolicFile>(&*ChildOrErr.get())) {
- outs() << "\n" << A->getFileName();
- if (isa<MachOObjectFile>(O)) {
- outs() << "(" << O->getFileName() << ")";
- if (moreThanOneArch)
- outs() << " (for architecture " << I->getArchTypeName() << ")";
- } else
- outs() << ":" << O->getFileName();
- outs() << ":\n";
- dumpSymbolNamesFromObject(O, false);
+ if (PrintFileName) {
+ ArchiveName = A->getFileName();
+ if (isa<MachOObjectFile>(O) && moreThanOneArch)
+ ArchitectureName = I->getArchTypeName();
+ } else {
+ outs() << "\n" << A->getFileName();
+ if (isa<MachOObjectFile>(O)) {
+ outs() << "(" << O->getFileName() << ")";
+ if (moreThanOneArch)
+ outs() << " (for architecture " << I->getArchTypeName()
+ << ")";
+ } else
+ outs() << ":" << O->getFileName();
+ outs() << ":\n";
+ }
+ dumpSymbolNamesFromObject(*O, false, ArchiveName, ArchitectureName);
}
}
}
}
return;
}
- if (SymbolicFile *O = dyn_cast<SymbolicFile>(Bin.get())) {
+ if (SymbolicFile *O = dyn_cast<SymbolicFile>(&Bin)) {
if (!checkMachOAndArchFlags(O, Filename))
return;
- dumpSymbolNamesFromObject(O, true);
+ dumpSymbolNamesFromObject(*O, true);
return;
}
error("unrecognizable file type", Filename);
@@ -1040,13 +1274,16 @@ int main(int argc, char **argv) {
if (ArchFlags[i] == "all") {
ArchAll = true;
} else {
- Triple T = MachOObjectFile::getArch(ArchFlags[i]);
- if (T.getArch() == Triple::UnknownArch)
+ if (!MachOObjectFile::isValidArch(ArchFlags[i]))
error("Unknown architecture named '" + ArchFlags[i] + "'",
"for the -arch option");
}
}
+ if (SegSect.size() != 0 && SegSect.size() != 2)
+ error("bad number of arguments (must be two arguments)",
+ "for the -s option");
+
std::for_each(InputFilenames.begin(), InputFilenames.end(),
dumpSymbolNamesFromFile);
generated by cgit v1.1 at 2024-05-16 19:28:21 +0000