Teach ARM/MC/ELF about EF_ARM_EABI_VERSION. The magic number is set to
5 to match the current doc.
Added FIXME reminder Make it really configurable later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124899 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 629d746..bd5d048 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -276,6 +276,9 @@
virtual void WriteHeader(uint64_t SectionDataSize, unsigned NumberOfSections);
+ /// Default e_flags = 0
+ virtual void WriteEFlags() { Write32(0); }
+
virtual void WriteSymbolEntry(MCDataFragment *SymtabF, MCDataFragment *ShndxF,
uint64_t name, uint8_t info,
uint64_t value, uint64_t size,
@@ -387,11 +390,16 @@
class ARMELFObjectWriter : public ELFObjectWriter {
public:
+ // FIXME: MCAssembler can't yet return the Subtarget,
+ enum { DefaultEABIVersion = 0x05000000U };
+
ARMELFObjectWriter(MCELFObjectTargetWriter *MOTW,
raw_ostream &_OS,
bool IsLittleEndian);
virtual ~ARMELFObjectWriter();
+
+ virtual void WriteEFlags();
protected:
virtual unsigned GetRelocType(const MCValue &Target, const MCFixup &Fixup,
bool IsPCRel, bool IsRelocWithSymbol,
@@ -459,8 +467,8 @@
WriteWord(SectionDataSize + (is64Bit() ? sizeof(ELF::Elf64_Ehdr) :
sizeof(ELF::Elf32_Ehdr))); // e_shoff = sec hdr table off in bytes
- // FIXME: Make this configurable.
- Write32(0); // e_flags = whatever the target wants
+ // e_flags = whatever the target wants
+ WriteEFlags();
// e_ehsize = ELF header size
Write16(is64Bit() ? sizeof(ELF::Elf64_Ehdr) : sizeof(ELF::Elf32_Ehdr));
@@ -1477,6 +1485,11 @@
ARMELFObjectWriter::~ARMELFObjectWriter()
{}
+// FIXME: get the real EABI Version from the Triple.
+void ARMELFObjectWriter::WriteEFlags() {
+ Write32(ELF::EF_ARM_EABIMASK & DefaultEABIVersion);
+}
+
unsigned ARMELFObjectWriter::GetRelocType(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel,