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Template the MachO types over the word size.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179051 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-08 20:45:01 +00:00
parent a9408bafcc
commit 335f1d46d8
3 changed files with 119 additions and 82 deletions
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151
lib/Object/MachOObjectFile.cpp
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@@ -116,7 +116,7 @@ void MachOObjectFile::moveToNextSymbol(DataRefImpl &DRI) const {
}
}
const MachOFormat::SymbolTableEntry *
const MachOFormat::SymbolTableEntry<false> *
MachOObjectFile::getSymbolTableEntry(DataRefImpl DRI) const {
const MachOFormat::LoadCommand *Command = getLoadCommandInfo(DRI.d.a);
const MachOFormat::SymtabLoadCommand *SymtabLoadCmd =
@@ -125,18 +125,20 @@ MachOObjectFile::getSymbolTableEntry(DataRefImpl DRI) const {
return getSymbolTableEntry(DRI, SymtabLoadCmd);
}
const MachOFormat::SymbolTableEntry *
const MachOFormat::SymbolTableEntry<false> *
MachOObjectFile::getSymbolTableEntry(DataRefImpl DRI,
const MachOFormat::SymtabLoadCommand *SymtabLoadCmd) const {
uint64_t SymbolTableOffset = SymtabLoadCmd->SymbolTableOffset;
unsigned Index = DRI.d.b;
uint64_t Offset = (SymbolTableOffset +
Index * sizeof(macho::SymbolTableEntry));
StringRef Data = getData(Offset, sizeof(MachOFormat::SymbolTableEntry));
return reinterpret_cast<const MachOFormat::SymbolTableEntry*>(Data.data());
Index * sizeof(MachOFormat::SymbolTableEntry<false>));
StringRef Data =
getData(Offset, sizeof(MachOFormat::SymbolTableEntry<false>));
return
reinterpret_cast<const MachOFormat::SymbolTableEntry<false>*>(Data.data());
}
const MachOFormat::Symbol64TableEntry*
const MachOFormat::SymbolTableEntry<true>*
MachOObjectFile::getSymbol64TableEntry(DataRefImpl DRI) const {
const MachOFormat::LoadCommand *Command = getLoadCommandInfo(DRI.d.a);
const MachOFormat::SymtabLoadCommand *SymtabLoadCmd =
@@ -145,15 +147,16 @@ MachOObjectFile::getSymbol64TableEntry(DataRefImpl DRI) const {
return getSymbol64TableEntry(DRI, SymtabLoadCmd);
}
const MachOFormat::Symbol64TableEntry*
const MachOFormat::SymbolTableEntry<true>*
MachOObjectFile::getSymbol64TableEntry(DataRefImpl DRI,
const MachOFormat::SymtabLoadCommand *SymtabLoadCmd) const {
uint64_t SymbolTableOffset = SymtabLoadCmd->SymbolTableOffset;
unsigned Index = DRI.d.b;
uint64_t Offset = (SymbolTableOffset +
Index * sizeof(macho::Symbol64TableEntry));
StringRef Data = getData(Offset, sizeof(MachOFormat::Symbol64TableEntry));
return reinterpret_cast<const MachOFormat::Symbol64TableEntry*>(Data.data());
Index * sizeof(MachOFormat::SymbolTableEntry<true>));
StringRef Data = getData(Offset, sizeof(MachOFormat::SymbolTableEntry<true>));
return
reinterpret_cast<const MachOFormat::SymbolTableEntry<true>*>(Data.data());
}
error_code MachOObjectFile::getSymbolNext(DataRefImpl DRI,
@@ -175,11 +178,11 @@ error_code MachOObjectFile::getSymbolName(DataRefImpl DRI,
uint32_t StringIndex;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry =
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(DRI, SymtabLoadCmd);
StringIndex = Entry->StringIndex;
} else {
const MachOFormat::SymbolTableEntry *Entry =
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(DRI, SymtabLoadCmd);
StringIndex = Entry->StringIndex;
}
@@ -193,18 +196,20 @@ error_code MachOObjectFile::getSymbolName(DataRefImpl DRI,
error_code MachOObjectFile::getSymbolFileOffset(DataRefImpl DRI,
uint64_t &Result) const {
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(DRI);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(DRI);
Result = Entry->Value;
if (Entry->SectionIndex) {
const MachOFormat::Section64 *Section =
const MachOFormat::Section<true> *Section =
getSection64(Sections[Entry->SectionIndex-1]);
Result += Section->Offset - Section->Address;
}
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(DRI);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(DRI);
Result = Entry->Value;
if (Entry->SectionIndex) {
const MachOFormat::Section *Section =
const MachOFormat::Section<false> *Section =
getSection(Sections[Entry->SectionIndex-1]);
Result += Section->Offset - Section->Address;
}
@@ -216,10 +221,12 @@ error_code MachOObjectFile::getSymbolFileOffset(DataRefImpl DRI,
error_code MachOObjectFile::getSymbolAddress(DataRefImpl DRI,
uint64_t &Result) const {
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(DRI);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(DRI);
Result = Entry->Value;
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(DRI);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(DRI);
Result = Entry->Value;
}
return object_error::success;
@@ -232,7 +239,8 @@ error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
uint64_t EndOffset = 0;
uint8_t SectionIndex;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(DRI);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(DRI);
BeginOffset = Entry->Value;
SectionIndex = Entry->SectionIndex;
if (!SectionIndex) {
@@ -259,7 +267,8 @@ error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
DRI.d.b++;
}
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(DRI);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(DRI);
BeginOffset = Entry->Value;
SectionIndex = Entry->SectionIndex;
if (!SectionIndex) {
@@ -300,11 +309,13 @@ error_code MachOObjectFile::getSymbolNMTypeChar(DataRefImpl DRI,
char &Result) const {
uint8_t Type, Flags;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(DRI);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(DRI);
Type = Entry->Type;
Flags = Entry->Flags;
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(DRI);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(DRI);
Type = Entry->Type;
Flags = Entry->Flags;
}
@@ -334,11 +345,13 @@ error_code MachOObjectFile::getSymbolFlags(DataRefImpl DRI,
uint16_t MachOFlags;
uint8_t MachOType;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(DRI);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(DRI);
MachOFlags = Entry->Flags;
MachOType = Entry->Type;
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(DRI);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(DRI);
MachOFlags = Entry->Flags;
MachOType = Entry->Type;
}
@@ -371,10 +384,12 @@ error_code MachOObjectFile::getSymbolSection(DataRefImpl Symb,
section_iterator &Res) const {
uint8_t index;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(Symb);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(Symb);
index = Entry->SectionIndex;
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(Symb);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(Symb);
index = Entry->SectionIndex;
}
@@ -390,10 +405,12 @@ error_code MachOObjectFile::getSymbolType(DataRefImpl Symb,
SymbolRef::Type &Res) const {
uint8_t n_type;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(Symb);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(Symb);
n_type = Entry->Type;
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(Symb);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(Symb);
n_type = Entry->Type;
}
Res = SymbolRef::ST_Other;
@@ -465,14 +482,14 @@ void MachOObjectFile::moveToNextSection(DataRefImpl &DRI) const {
while (DRI.d.a < LoadCommandCount) {
const MachOFormat::LoadCommand *Command = getLoadCommandInfo(DRI.d.a);
if (Command->Type == macho::LCT_Segment) {
const MachOFormat::SegmentLoadCommand *SegmentLoadCmd =
reinterpret_cast<const MachOFormat::SegmentLoadCommand*>(Command);
const MachOFormat::SegmentLoadCommand<false> *SegmentLoadCmd =
reinterpret_cast<const MachOFormat::SegmentLoadCommand<false>*>(Command);
if (DRI.d.b < SegmentLoadCmd->NumSections)
return;
} else if (Command->Type == macho::LCT_Segment64) {
const MachOFormat::Segment64LoadCommand *Segment64LoadCmd =
reinterpret_cast<const MachOFormat::Segment64LoadCommand*>(Command);
if (DRI.d.b < Segment64LoadCmd->NumSections)
const MachOFormat::SegmentLoadCommand<true> *SegmentLoadCmd =
reinterpret_cast<const MachOFormat::SegmentLoadCommand<true>*>(Command);
if (DRI.d.b < SegmentLoadCmd->NumSections)
return;
}
@@ -489,13 +506,14 @@ error_code MachOObjectFile::getSectionNext(DataRefImpl DRI,
return object_error::success;
}
const MachOFormat::Section *MachOObjectFile::getSection(DataRefImpl DRI) const {
const MachOFormat::Section<false> *
MachOObjectFile::getSection(DataRefImpl DRI) const {
assert(!is64Bit());
const MachOFormat::LoadCommand *Command = getLoadCommandInfo(DRI.d.a);
uintptr_t CommandAddr = reinterpret_cast<uintptr_t>(Command);
uintptr_t SectionAddr = CommandAddr + sizeof(macho::SegmentLoadCommand) +
DRI.d.b * sizeof(MachOFormat::Section);
return reinterpret_cast<const MachOFormat::Section*>(SectionAddr);
DRI.d.b * sizeof(MachOFormat::Section<false>);
return reinterpret_cast<const MachOFormat::Section<false>*>(SectionAddr);
}
std::size_t MachOObjectFile::getSectionIndex(DataRefImpl Sec) const {
@@ -505,14 +523,14 @@ std::size_t MachOObjectFile::getSectionIndex(DataRefImpl Sec) const {
return std::distance(Sections.begin(), loc);
}
const MachOFormat::Section64 *
const MachOFormat::Section<true> *
MachOObjectFile::getSection64(DataRefImpl DRI) const {
assert(is64Bit());
const MachOFormat::LoadCommand *Command = getLoadCommandInfo(DRI.d.a);
uintptr_t CommandAddr = reinterpret_cast<uintptr_t>(Command);
uintptr_t SectionAddr = CommandAddr + sizeof(macho::Segment64LoadCommand) +
DRI.d.b * sizeof(MachOFormat::Section64);
return reinterpret_cast<const MachOFormat::Section64*>(SectionAddr);
DRI.d.b * sizeof(MachOFormat::Section<true>);
return reinterpret_cast<const MachOFormat::Section<true>*>(SectionAddr);
}
static StringRef parseSegmentOrSectionName(const char *P) {
@@ -525,10 +543,10 @@ static StringRef parseSegmentOrSectionName(const char *P) {
ArrayRef<char> MachOObjectFile::getSectionRawName(DataRefImpl DRI) const {
if (is64Bit()) {
const MachOFormat::Section64 *sec = getSection64(DRI);
const MachOFormat::Section<true> *sec = getSection64(DRI);
return ArrayRef<char>(sec->Name);
} else {
const MachOFormat::Section *sec = getSection(DRI);
const MachOFormat::Section<false> *sec = getSection(DRI);
return ArrayRef<char>(sec->Name);
}
}
@@ -543,10 +561,10 @@ error_code MachOObjectFile::getSectionName(DataRefImpl DRI,
ArrayRef<char>
MachOObjectFile::getSectionRawFinalSegmentName(DataRefImpl Sec) const {
if (is64Bit()) {
const MachOFormat::Section64 *sec = getSection64(Sec);
const MachOFormat::Section<true> *sec = getSection64(Sec);
return ArrayRef<char>(sec->SegmentName, 16);
} else {
const MachOFormat::Section *sec = getSection(Sec);
const MachOFormat::Section<false> *sec = getSection(Sec);
return ArrayRef<char>(sec->SegmentName);
}
}
@@ -559,10 +577,10 @@ StringRef MachOObjectFile::getSectionFinalSegmentName(DataRefImpl DRI) const {
error_code MachOObjectFile::getSectionAddress(DataRefImpl DRI,
uint64_t &Result) const {
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(DRI);
const MachOFormat::Section<true> *Sect = getSection64(DRI);
Result = Sect->Address;
} else {
const MachOFormat::Section *Sect = getSection(DRI);
const MachOFormat::Section<false> *Sect = getSection(DRI);
Result = Sect->Address;
}
return object_error::success;
@@ -571,10 +589,10 @@ error_code MachOObjectFile::getSectionAddress(DataRefImpl DRI,
error_code MachOObjectFile::getSectionSize(DataRefImpl DRI,
uint64_t &Result) const {
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(DRI);
const MachOFormat::Section<true> *Sect = getSection64(DRI);
Result = Sect->Size;
} else {
const MachOFormat::Section *Sect = getSection(DRI);
const MachOFormat::Section<false> *Sect = getSection(DRI);
Result = Sect->Size;
}
return object_error::success;
@@ -583,10 +601,10 @@ error_code MachOObjectFile::getSectionSize(DataRefImpl DRI,
error_code MachOObjectFile::getSectionContents(DataRefImpl DRI,
StringRef &Result) const {
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(DRI);
const MachOFormat::Section<true> *Sect = getSection64(DRI);
Result = getData(Sect->Offset, Sect->Size);
} else {
const MachOFormat::Section *Sect = getSection(DRI);
const MachOFormat::Section<false> *Sect = getSection(DRI);
Result = getData(Sect->Offset, Sect->Size);
}
return object_error::success;
@@ -595,10 +613,10 @@ error_code MachOObjectFile::getSectionContents(DataRefImpl DRI,
error_code MachOObjectFile::getSectionAlignment(DataRefImpl DRI,
uint64_t &Result) const {
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(DRI);
const MachOFormat::Section<true> *Sect = getSection64(DRI);
Result = uint64_t(1) << Sect->Align;
} else {
const MachOFormat::Section *Sect = getSection(DRI);
const MachOFormat::Section<false> *Sect = getSection(DRI);
Result = uint64_t(1) << Sect->Align;
}
return object_error::success;
@@ -607,10 +625,10 @@ error_code MachOObjectFile::getSectionAlignment(DataRefImpl DRI,
error_code MachOObjectFile::isSectionText(DataRefImpl DRI,
bool &Result) const {
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(DRI);
const MachOFormat::Section<true> *Sect = getSection64(DRI);
Result = Sect->Flags & macho::SF_PureInstructions;
} else {
const MachOFormat::Section *Sect = getSection(DRI);
const MachOFormat::Section<false> *Sect = getSection(DRI);
Result = Sect->Flags & macho::SF_PureInstructions;
}
return object_error::success;
@@ -647,12 +665,12 @@ error_code MachOObjectFile::isSectionVirtual(DataRefImpl Sec,
error_code MachOObjectFile::isSectionZeroInit(DataRefImpl DRI,
bool &Result) const {
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(DRI);
const MachOFormat::Section<true> *Sect = getSection64(DRI);
unsigned SectionType = Sect->Flags & MachO::SectionFlagMaskSectionType;
Result = (SectionType == MachO::SectionTypeZeroFill ||
SectionType == MachO::SectionTypeZeroFillLarge);
} else {
const MachOFormat::Section *Sect = getSection(DRI);
const MachOFormat::Section<false> *Sect = getSection(DRI);
unsigned SectionType = Sect->Flags & MachO::SectionFlagMaskSectionType;
Result = (SectionType == MachO::SectionTypeZeroFill ||
SectionType == MachO::SectionTypeZeroFillLarge);
@@ -688,11 +706,13 @@ error_code MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
SectEnd += SectBegin;
if (is64Bit()) {
const MachOFormat::Symbol64TableEntry *Entry = getSymbol64TableEntry(Symb);
const MachOFormat::SymbolTableEntry<true> *Entry =
getSymbol64TableEntry(Symb);
uint64_t SymAddr= Entry->Value;
Result = (SymAddr >= SectBegin) && (SymAddr < SectEnd);
} else {
const MachOFormat::SymbolTableEntry *Entry = getSymbolTableEntry(Symb);
const MachOFormat::SymbolTableEntry<false> *Entry =
getSymbolTableEntry(Symb);
uint64_t SymAddr= Entry->Value;
Result = (SymAddr >= SectBegin) && (SymAddr < SectEnd);
}
@@ -705,13 +725,14 @@ relocation_iterator MachOObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
ret.d.b = getSectionIndex(Sec);
return relocation_iterator(RelocationRef(ret, this));
}
relocation_iterator MachOObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
uint32_t last_reloc;
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(Sec);
const MachOFormat::Section<true> *Sect = getSection64(Sec);
last_reloc = Sect->NumRelocationTableEntries;
} else {
const MachOFormat::Section *Sect = getSection(Sec);
const MachOFormat::Section<false> *Sect = getSection(Sec);
last_reloc = Sect->NumRelocationTableEntries;
}
DataRefImpl ret;
@@ -738,10 +759,10 @@ const MachOFormat::RelocationEntry *
MachOObjectFile::getRelocation(DataRefImpl Rel) const {
uint32_t relOffset;
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(Sections[Rel.d.b]);
const MachOFormat::Section<true> *Sect = getSection64(Sections[Rel.d.b]);
relOffset = Sect->RelocationTableOffset;
} else {
const MachOFormat::Section *Sect = getSection(Sections[Rel.d.b]);
const MachOFormat::Section<false> *Sect = getSection(Sections[Rel.d.b]);
relOffset = Sect->RelocationTableOffset;
}
uint64_t Offset = relOffset + Rel.d.a * sizeof(MachOFormat::RelocationEntry);
@@ -759,10 +780,10 @@ error_code MachOObjectFile::getRelocationAddress(DataRefImpl Rel,
uint64_t &Res) const {
const uint8_t* sectAddress = 0;
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(Sections[Rel.d.b]);
const MachOFormat::Section<true> *Sect = getSection64(Sections[Rel.d.b]);
sectAddress += Sect->Address;
} else {
const MachOFormat::Section *Sect = getSection(Sections[Rel.d.b]);
const MachOFormat::Section<false> *Sect = getSection(Sections[Rel.d.b]);
sectAddress += Sect->Address;
}
const MachOFormat::RelocationEntry *RE = getRelocation(Rel);
@@ -926,10 +947,10 @@ error_code MachOObjectFile::getRelocationAdditionalInfo(DataRefImpl Rel,
if (!isExtern) {
const uint8_t* sectAddress = base();
if (is64Bit()) {
const MachOFormat::Section64 *Sect = getSection64(Sections[Rel.d.b]);
const MachOFormat::Section<true> *Sect = getSection64(Sections[Rel.d.b]);
sectAddress += Sect->Offset;
} else {
const MachOFormat::Section *Sect = getSection(Sections[Rel.d.b]);
const MachOFormat::Section<false> *Sect = getSection(Sections[Rel.d.b]);
sectAddress += Sect->Offset;
}
Res = reinterpret_cast<uintptr_t>(sectAddress);