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At Jim Grosbach's request detemplate Object/MachO.h.

Browse Source 
We are still able to handle mixed endian objects by swapping one struct at a
time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179778 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-18 18:08:55 +00:00
parent 77327fd652
commit fd7aa38e30
11 changed files with 2053 additions and 1769 deletions
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133
tools/llvm-readobj/MachODumper.cpp
View File

@ -27,7 +27,7 @@ namespace {
class MachODumper : public ObjDumper {
public:
MachODumper(const MachOObjectFileBase *Obj, StreamWriter& Writer)
MachODumper(const MachOObjectFile *Obj, StreamWriter& Writer)
: ObjDumper(Writer)
, Obj(Obj) { }
@ -43,14 +43,12 @@ private:
void printRelocation(section_iterator SecI, relocation_iterator RelI);
template<support::endianness E>
void printRelocation(const MachOObjectFileMiddle<E> *Obj,
void printRelocation(const MachOObjectFile *Obj,
section_iterator SecI, relocation_iterator RelI);
template<support::endianness E>
void printSections(const MachOObjectFileMiddle<E> *Obj);
void printSections(const MachOObjectFile *Obj);
const MachOObjectFileBase *Obj;
const MachOObjectFile *Obj;
};
} // namespace
@ -61,7 +59,7 @@ namespace llvm {
error_code createMachODumper(const object::ObjectFile *Obj,
StreamWriter& Writer,
OwningPtr<ObjDumper> &Result) {
const MachOObjectFileBase *MachOObj = dyn_cast<MachOObjectFileBase>(Obj);
const MachOObjectFile *MachOObj = dyn_cast<MachOObjectFile>(Obj);
if (!MachOObj)
return readobj_error::unsupported_obj_file_format;
@ -164,59 +162,53 @@ namespace {
};
}
template<class MachOT>
static void getSection(const MachOObjectFile<MachOT> *Obj,
DataRefImpl DRI,
static void getSection(const MachOObjectFile *Obj,
DataRefImpl Sec,
MachOSection &Section) {
const typename MachOObjectFile<MachOT>::Section *Sect = Obj->getSection(DRI);
Section.Address = Sect->Address;
Section.Size = Sect->Size;
Section.Offset = Sect->Offset;
Section.Alignment = Sect->Align;
Section.RelocationTableOffset = Sect->RelocationTableOffset;
Section.NumRelocationTableEntries = Sect->NumRelocationTableEntries;
Section.Flags = Sect->Flags;
Section.Reserved1 = Sect->Reserved1;
Section.Reserved2 = Sect->Reserved2;
if (!Obj->is64Bit()) {
macho::Section Sect = Obj->getSection(Sec);
Section.Address = Sect.Address;
Section.Size = Sect.Size;
Section.Offset = Sect.Offset;
Section.Alignment = Sect.Align;
Section.RelocationTableOffset = Sect.RelocationTableOffset;
Section.NumRelocationTableEntries = Sect.NumRelocationTableEntries;
Section.Flags = Sect.Flags;
Section.Reserved1 = Sect.Reserved1;
Section.Reserved2 = Sect.Reserved2;
return;
}
macho::Section64 Sect = Obj->getSection64(Sec);
Section.Address = Sect.Address;
Section.Size = Sect.Size;
Section.Offset = Sect.Offset;
Section.Alignment = Sect.Align;
Section.RelocationTableOffset = Sect.RelocationTableOffset;
Section.NumRelocationTableEntries = Sect.NumRelocationTableEntries;
Section.Flags = Sect.Flags;
Section.Reserved1 = Sect.Reserved1;
Section.Reserved2 = Sect.Reserved2;
}
static void getSection(const MachOObjectFileBase *Obj,
DataRefImpl DRI,
MachOSection &Section) {
if (const MachOObjectFileLE32 *O = dyn_cast<MachOObjectFileLE32>(Obj))
return getSection(O, DRI, Section);
if (const MachOObjectFileLE64 *O = dyn_cast<MachOObjectFileLE64>(Obj))
return getSection(O, DRI, Section);
if (const MachOObjectFileBE32 *O = dyn_cast<MachOObjectFileBE32>(Obj))
return getSection(O, DRI, Section);
const MachOObjectFileBE64 *O = cast<MachOObjectFileBE64>(Obj);
getSection(O, DRI, Section);
}
template<class MachOT>
static void getSymbol(const MachOObjectFile<MachOT> *Obj,
static void getSymbol(const MachOObjectFile *Obj,
DataRefImpl DRI,
MachOSymbol &Symbol) {
const typename MachOObjectFile<MachOT>::SymbolTableEntry *Entry =
Obj->getSymbolTableEntry(DRI);
Symbol.StringIndex = Entry->StringIndex;
Symbol.Type = Entry->Type;
Symbol.SectionIndex = Entry->SectionIndex;
Symbol.Flags = Entry->Flags;
Symbol.Value = Entry->Value;
}
static void getSymbol(const MachOObjectFileBase *Obj,
DataRefImpl DRI,
MachOSymbol &Symbol) {
if (const MachOObjectFileLE32 *O = dyn_cast<MachOObjectFileLE32>(Obj))
return getSymbol(O, DRI, Symbol);
if (const MachOObjectFileLE64 *O = dyn_cast<MachOObjectFileLE64>(Obj))
return getSymbol(O, DRI, Symbol);
if (const MachOObjectFileBE32 *O = dyn_cast<MachOObjectFileBE32>(Obj))
return getSymbol(O, DRI, Symbol);
const MachOObjectFileBE64 *O = cast<MachOObjectFileBE64>(Obj);
getSymbol(O, DRI, Symbol);
if (!Obj->is64Bit()) {
macho::SymbolTableEntry Entry = Obj->getSymbolTableEntry(DRI);
Symbol.StringIndex = Entry.StringIndex;
Symbol.Type = Entry.Type;
Symbol.SectionIndex = Entry.SectionIndex;
Symbol.Flags = Entry.Flags;
Symbol.Value = Entry.Value;
return;
}
macho::Symbol64TableEntry Entry = Obj->getSymbol64TableEntry(DRI);
Symbol.StringIndex = Entry.StringIndex;
Symbol.Type = Entry.Type;
Symbol.SectionIndex = Entry.SectionIndex;
Symbol.Flags = Entry.Flags;
Symbol.Value = Entry.Value;
}
void MachODumper::printFileHeaders() {
@ -224,14 +216,10 @@ void MachODumper::printFileHeaders() {
}
void MachODumper::printSections() {
if (const MachOObjectFileLE *O = dyn_cast<MachOObjectFileLE>(Obj))
return printSections(O);
const MachOObjectFileBE *O = cast<MachOObjectFileBE>(Obj);
return printSections(O);
return printSections(Obj);
}
template<support::endianness E>
void MachODumper::printSections(const MachOObjectFileMiddle<E> *Obj) {
void MachODumper::printSections(const MachOObjectFile *Obj) {
ListScope Group(W, "Sections");
int SectionIndex = -1;
@ -344,14 +332,10 @@ void MachODumper::printRelocations() {
void MachODumper::printRelocation(section_iterator SecI,
relocation_iterator RelI) {
if (const MachOObjectFileLE *O = dyn_cast<MachOObjectFileLE>(Obj))
return printRelocation(O, SecI, RelI);
const MachOObjectFileBE *O = cast<MachOObjectFileBE>(Obj);
return printRelocation(O, SecI, RelI);
return printRelocation(Obj, SecI, RelI);
}
template<support::endianness E>
void MachODumper::printRelocation(const MachOObjectFileMiddle<E> *Obj,
void MachODumper::printRelocation(const MachOObjectFile *Obj,
section_iterator SecI,
relocation_iterator RelI) {
uint64_t Offset;
@ -364,31 +348,30 @@ void MachODumper::printRelocation(const MachOObjectFileMiddle<E> *Obj,
if (error(Symbol.getName(SymbolName))) return;
DataRefImpl DR = RelI->getRawDataRefImpl();
const typename MachOObjectFileMiddle<E>::RelocationEntry *RE =
Obj->getRelocation(DR);
macho::RelocationEntry RE = Obj->getRelocation(DR);
bool IsScattered = Obj->isRelocationScattered(RE);
if (opts::ExpandRelocs) {
DictScope Group(W, "Relocation");
W.printHex("Offset", Offset);
W.printNumber("PCRel", Obj->isRelocationPCRel(RE));
W.printNumber("Length", Obj->getRelocationLength(RE));
W.printNumber("PCRel", Obj->getAnyRelocationPCRel(RE));
W.printNumber("Length", Obj->getAnyRelocationLength(RE));
if (IsScattered)
W.printString("Extern", StringRef("N/A"));
else
W.printNumber("Extern", RE->External);
W.printNumber("Type", RelocName, RE->Type);
W.printNumber("Extern", Obj->getPlainRelocationExternal(RE));
W.printNumber("Type", RelocName, Obj->getAnyRelocationType(RE));
W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
W.printNumber("Scattered", IsScattered);
} else {
raw_ostream& OS = W.startLine();
OS << W.hex(Offset)
<< " " << Obj->isRelocationPCRel(RE)
<< " " << Obj->getRelocationLength(RE);
<< " " << Obj->getAnyRelocationPCRel(RE)
<< " " << Obj->getAnyRelocationLength(RE);
if (IsScattered)
OS << " n/a";
else
OS << " " << RE->External;
OS << " " << Obj->getPlainRelocationExternal(RE);
OS << " " << RelocName
<< " " << IsScattered
<< " " << (SymbolName.size() > 0 ? SymbolName : "-")