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PPC: Share applyFixup between ELF and Darwin.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168540 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-11-24 13:18:17 +00:00
parent 8f2dce0cda
commit e8ca482c97
1 changed files with 14 additions and 18 deletions
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32
lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp
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@ -92,6 +92,20 @@ public:
return Infos[Kind - FirstTargetFixupKind]; return Infos[Kind - FirstTargetFixupKind];
} }
void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
uint64_t Value) const {
Value = adjustFixupValue(Fixup.getKind(), Value);
if (!Value) return; // Doesn't change encoding.
unsigned Offset = Fixup.getOffset();
// 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);
}
bool mayNeedRelaxation(const MCInst &Inst) const { bool mayNeedRelaxation(const MCInst &Inst) const {
// FIXME. // FIXME.
return false; return false;
@ -135,11 +149,6 @@ namespace {
public: public:
DarwinPPCAsmBackend(const Target &T) : PPCAsmBackend(T) { } DarwinPPCAsmBackend(const Target &T) : PPCAsmBackend(T) { }
void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
uint64_t Value) const {
llvm_unreachable("UNIMP");
}
MCObjectWriter *createObjectWriter(raw_ostream &OS) const { MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
bool is64 = getPointerSize() == 8; bool is64 = getPointerSize() == 8;
return createMachObjectWriter(new PPCMachObjectWriter( return createMachObjectWriter(new PPCMachObjectWriter(
@ -161,19 +170,6 @@ namespace {
ELFPPCAsmBackend(const Target &T, uint8_t OSABI) : ELFPPCAsmBackend(const Target &T, uint8_t OSABI) :
PPCAsmBackend(T), OSABI(OSABI) { } PPCAsmBackend(T), OSABI(OSABI) { }
void applyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
uint64_t Value) const {
Value = adjustFixupValue(Fixup.getKind(), Value);
if (!Value) return; // Doesn't change encoding.
unsigned Offset = Fixup.getOffset();
// 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);
}
MCObjectWriter *createObjectWriter(raw_ostream &OS) const { MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
bool is64 = getPointerSize() == 8; bool is64 = getPointerSize() == 8;