//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/STLExtras.h"
#include "llvm/MC/MCELFObjectWriter.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCValue.h"
using namespace llvm;
MCELFObjectTargetWriter::MCELFObjectTargetWriter(bool Is64Bit_,
uint8_t OSABI_,
uint16_t EMachine_,
- bool HasRelocationAddend_)
+ bool HasRelocationAddend_,
+ bool IsN64_)
: OSABI(OSABI_), EMachine(EMachine_),
- HasRelocationAddend(HasRelocationAddend_), Is64Bit(Is64Bit_) {
+ HasRelocationAddend(HasRelocationAddend_), Is64Bit(Is64Bit_),
+ IsN64(IsN64_){
}
-/// Default e_flags = 0
-unsigned MCELFObjectTargetWriter::getEFlags() const {
- return 0;
+bool MCELFObjectTargetWriter::needsRelocateWithSymbol(const MCSymbol &Sym,
+ unsigned Type) const {
+ return false;
}
-const MCSymbol *MCELFObjectTargetWriter::ExplicitRelSym(const MCAssembler &Asm,
- const MCValue &Target,
- const MCFragment &F,
- const MCFixup &Fixup,
- bool IsPCRel) const {
- return NULL;
+// ELF doesn't require relocations to be in any order. We sort by the Offset,
+// just to match gnu as for easier comparison. The use type is an arbitrary way
+// of making the sort deterministic.
+static int cmpRel(const ELFRelocationEntry *AP, const ELFRelocationEntry *BP) {
+ const ELFRelocationEntry &A = *AP;
+ const ELFRelocationEntry &B = *BP;
+ if (A.Offset != B.Offset)
+ return B.Offset - A.Offset;
+ if (B.Type != A.Type)
+ return A.Type - B.Type;
+ //llvm_unreachable("ELFRelocs might be unstable!");
+ return 0;
}
-void MCELFObjectTargetWriter::adjustFixupOffset(const MCFixup &Fixup,
- uint64_t &RelocOffset) {
-}
-
-MCELFObjectTargetWriter::~MCELFObjectTargetWriter() {
+void
+MCELFObjectTargetWriter::sortRelocs(const MCAssembler &Asm,
+ std::vector<ELFRelocationEntry> &Relocs) {
+ array_pod_sort(Relocs.begin(), Relocs.end(), cmpRel);
}