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In the ObjectFile interface, replace isInternal(), isAbsolute(), isGlobal(), and isWeak(), with a bitset of flags.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151670 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Meyer
2012-02-28 23:47:53 +00:00
parent 9993a3aebb
commit c46255a32e
9 changed files with 78 additions and 156 deletions
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68
lib/Object/MachOObjectFile.cpp
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@ -262,61 +262,35 @@ error_code MachOObjectFile::getSymbolNMTypeChar(DataRefImpl DRI,
return object_error::success;
}
error_code MachOObjectFile::isSymbolInternal(DataRefImpl DRI,
bool &Result) const {
error_code MachOObjectFile::getSymbolFlags(DataRefImpl DRI,
uint32_t &Result) const {
uint16_t MachOFlags;
uint8_t MachOType;
if (MachOObj->is64Bit()) {
InMemoryStruct<macho::Symbol64TableEntry> Entry;
getSymbol64TableEntry(DRI, Entry);
Result = Entry->Flags & macho::STF_StabsEntryMask;
MachOFlags = Entry->Flags;
MachOType = Entry->Type;
} else {
InMemoryStruct<macho::SymbolTableEntry> Entry;
getSymbolTableEntry(DRI, Entry);
Result = Entry->Flags & macho::STF_StabsEntryMask;
}
return object_error::success;
}
error_code MachOObjectFile::isSymbolGlobal(DataRefImpl Symb, bool &Res) const {
if (MachOObj->is64Bit()) {
InMemoryStruct<macho::Symbol64TableEntry> Entry;
getSymbol64TableEntry(Symb, Entry);
Res = Entry->Type & MachO::NlistMaskExternal;
} else {
InMemoryStruct<macho::SymbolTableEntry> Entry;
getSymbolTableEntry(Symb, Entry);
Res = Entry->Type & MachO::NlistMaskExternal;
}
return object_error::success;
}
error_code MachOObjectFile::isSymbolWeak(DataRefImpl Symb, bool &Res) const {
if (MachOObj->is64Bit()) {
InMemoryStruct<macho::Symbol64TableEntry> Entry;
getSymbol64TableEntry(Symb, Entry);
Res = Entry->Flags & (MachO::NListDescWeakRef | MachO::NListDescWeakDef);
} else {
InMemoryStruct<macho::SymbolTableEntry> Entry;
getSymbolTableEntry(Symb, Entry);
Res = Entry->Flags & (MachO::NListDescWeakRef | MachO::NListDescWeakDef);
}
return object_error::success;
}
error_code MachOObjectFile::isSymbolAbsolute(DataRefImpl Symb, bool &Res) const{
uint8_t n_type;
if (MachOObj->is64Bit()) {
InMemoryStruct<macho::Symbol64TableEntry> Entry;
getSymbol64TableEntry(Symb, Entry);
n_type = Entry->Type;
} else {
InMemoryStruct<macho::SymbolTableEntry> Entry;
getSymbolTableEntry(Symb, Entry);
n_type = Entry->Type;
MachOFlags = Entry->Flags;
MachOType = Entry->Type;
}
Res = (n_type & MachO::NlistMaskType) == MachO::NListTypeAbsolute;
Result = SymbolRef::SF_None;
if (MachOFlags & macho::STF_StabsEntryMask)
Result |= SymbolRef::SF_FormatSpecific;
if (MachOType & MachO::NlistMaskExternal)
Result |= SymbolRef::SF_Global;
if (MachOFlags & (MachO::NListDescWeakRef | MachO::NListDescWeakDef))
Result |= SymbolRef::SF_Weak;
if ((MachOType & MachO::NlistMaskType) == MachO::NListTypeAbsolute)
Result |= SymbolRef::SF_Absolute;
return object_error::success;
}