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Make ELF OS ABI dependent on the OS from target triple.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113508 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Roman Divacky
2010-09-09 17:57:50 +00:00
parent 9ae4ca611b
commit 5baf79edc0
3 changed files with 28 additions and 15 deletions
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17
lib/MC/ELFObjectWriter.cpp
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@ -107,6 +107,8 @@ namespace {
bool HasRelocationAddend;
Triple::OSType OSType;
// This holds the symbol table index of the last local symbol.
unsigned LastLocalSymbolIndex;
// This holds the .strtab section index.
@ -116,9 +118,10 @@ namespace {
public:
ELFObjectWriterImpl(ELFObjectWriter *_Writer, bool _Is64Bit,
bool _HasRelAddend)
bool _HasRelAddend, Triple::OSType _OSType)
: Writer(_Writer), OS(Writer->getStream()),
Is64Bit(_Is64Bit), HasRelocationAddend(_HasRelAddend) {
Is64Bit(_Is64Bit), HasRelocationAddend(_HasRelAddend),
OSType(_OSType) {
}
void Write8(uint8_t Value) { Writer->Write8(Value); }
@ -270,7 +273,12 @@ void ELFObjectWriterImpl::WriteHeader(uint64_t SectionDataSize,
Write8(Writer->isLittleEndian() ? ELF::ELFDATA2LSB : ELF::ELFDATA2MSB);
Write8(ELF::EV_CURRENT); // e_ident[EI_VERSION]
Write8(ELF::ELFOSABI_LINUX); // e_ident[EI_OSABI]
// e_ident[EI_OSABI]
switch (OSType) {
case Triple::FreeBSD: Write8(ELF::ELFOSABI_FREEBSD); break;
case Triple::Linux: Write8(ELF::ELFOSABI_LINUX); break;
default: Write8(ELF::ELFOSABI_NONE); break;
}
Write8(0); // e_ident[EI_ABIVERSION]
WriteZeros(ELF::EI_NIDENT - ELF::EI_PAD);
@ -955,11 +963,12 @@ void ELFObjectWriterImpl::WriteObject(const MCAssembler &Asm,
ELFObjectWriter::ELFObjectWriter(raw_ostream &OS,
bool Is64Bit,
Triple::OSType OSType,
bool IsLittleEndian,
bool HasRelocationAddend)
: MCObjectWriter(OS, IsLittleEndian)
{
Impl = new ELFObjectWriterImpl(this, Is64Bit, HasRelocationAddend);
Impl = new ELFObjectWriterImpl(this, Is64Bit, HasRelocationAddend, OSType);
}
ELFObjectWriter::~ELFObjectWriter() {