#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
-static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
+static uint64_t adjustFixupValue(unsigned Kind, uint64_t Value) {
switch (Kind) {
default:
llvm_unreachable("Unknown fixup kind!");
}
}
+static unsigned getFixupKindNumBytes(unsigned Kind) {
+ switch (Kind) {
+ default:
+ llvm_unreachable("Unknown fixup kind!");
+ case FK_Data_1:
+ return 1;
+ case FK_Data_2:
+ return 2;
+ case FK_Data_4:
+ case PPC::fixup_ppc_brcond14:
+ case PPC::fixup_ppc_br24:
+ case PPC::fixup_ppc_ha16:
+ case PPC::fixup_ppc_lo16:
+ case PPC::fixup_ppc_lo16_ds:
+ return 4;
+ case FK_Data_8:
+ return 8;
+ case PPC::fixup_ppc_tlsreg:
+ case PPC::fixup_ppc_nofixup:
+ return 0;
+ }
+}
+
namespace {
class PPCMachObjectWriter : public MCMachObjectTargetWriter {
public:
if (!Value) return; // Doesn't change encoding.
unsigned Offset = Fixup.getOffset();
+ unsigned NumBytes = getFixupKindNumBytes(Fixup.getKind());
// For each byte of the fragment that the fixup touches, mask in the bits
// from the fixup value. The Value has been "split up" into the appropriate
// bitfields above.
- for (unsigned i = 0; i != 4; ++i)
- Data[Offset + i] |= uint8_t((Value >> ((4 - i - 1)*8)) & 0xff);
+ for (unsigned i = 0; i != NumBytes; ++i)
+ Data[Offset + i] |= uint8_t((Value >> ((NumBytes - i - 1)*8)) & 0xff);
}
bool mayNeedRelaxation(const MCInst &Inst) const {