Page MenuHomePhabricator
Differential D54720 Diff 184516 ELF/Arch/X86_64.cpp

Changeset View

Standalone View

View Options

ELF/Arch/X86_64.cpp

Show All 31 Linespublic:
void writeGotPlt(uint8_t *Buf, const Symbol &S) const override; void writeGotPlt(uint8_t *Buf, const Symbol &S) const override;
void writePltHeader(uint8_t *Buf) const override; void writePltHeader(uint8_t *Buf) const override;
void writePlt(uint8_t *Buf, uint64_t GotPltEntryAddr, uint64_t PltEntryAddr, void writePlt(uint8_t *Buf, uint64_t GotPltEntryAddr, uint64_t PltEntryAddr,
int32_t Index, unsigned RelOff) const override; int32_t Index, unsigned RelOff) const override;
void relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const override; void relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const override;
RelExpr adjustRelaxExpr(RelType Type, const uint8_t *Data, RelExpr adjustRelaxExpr(RelType Type, const uint8_t *Data,
RelExpr Expr) const override; RelExpr Expr) const override;
void relaxGot(uint8_t *Loc, uint64_t Val) const override; void relaxGot(uint8_t *Loc, RelType Type, uint64_t Val) const override;
void relaxTlsGdToIe(uint8_t *Loc, RelType Type, uint64_t Val) const override; void relaxTlsGdToIe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
void relaxTlsGdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override; void relaxTlsGdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
void relaxTlsIeToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override; void relaxTlsIeToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
void relaxTlsLdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override; void relaxTlsLdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
bool adjustPrologueForCrossSplitStack(uint8_t *Loc, uint8_t *End, bool adjustPrologueForCrossSplitStack(uint8_t *Loc, uint8_t *End,
uint8_t StOther) const override; uint8_t StOther) const override;
private: private:
▲ Show 20 Lines • Show All 400 Lines • ▼ Show 20 Linesvoid X86_64<ELFT>::relaxGotNoPic(uint8_t *Loc, uint64_t Val, uint8_t Op,
// "INSTRUCTION SET REFERENCE, N-Z" (Vol. 2B 4-1) for // "INSTRUCTION SET REFERENCE, N-Z" (Vol. 2B 4-1) for
// descriptions about each operation. // descriptions about each operation.
Loc[-2] = 0x81; Loc[-2] = 0x81;
Loc[-3] = (Rex & ~0x4) | (Rex & 0x4) >> 2; Loc[-3] = (Rex & ~0x4) | (Rex & 0x4) >> 2;
write32le(Loc, Val); write32le(Loc, Val);
} }
template <class ELFT> template <class ELFT>
void X86_64<ELFT>::relaxGot(uint8_t *Loc, uint64_t Val) const { void X86_64<ELFT>::relaxGot(uint8_t *Loc, RelType Type, uint64_t Val) const {
const uint8_t Op = Loc[-2]; const uint8_t Op = Loc[-2];
const uint8_t ModRm = Loc[-1]; const uint8_t ModRm = Loc[-1];
// Convert "mov foo@GOTPCREL(%rip),%reg" to "lea foo(%rip),%reg". // Convert "mov foo@GOTPCREL(%rip),%reg" to "lea foo(%rip),%reg".
if (Op == 0x8b) { if (Op == 0x8b) {
Loc[-2] = 0x8d; Loc[-2] = 0x8d;
write32le(Loc, Val); write32le(Loc, Val);
return; return;
▲ Show 20 Lines • Show All 211 Lines • Show Last 20 Lines