#include "llvm/ADT/STLExtras.h"
#include "llvm/MC/MCELFObjectWriter.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCValue.h"
using namespace llvm;
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) {
-}
-
void
MCELFObjectTargetWriter::sortRelocs(const MCAssembler &Asm,
std::vector<ELFRelocationEntry> &Relocs) {
- // Sort by the r_offset, just like gnu as does.
- array_pod_sort(Relocs.begin(), Relocs.end());
+ array_pod_sort(Relocs.begin(), Relocs.end(), cmpRel);
}