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 Lines26public:
32 void writeGotPlt(uint8_t *Buf, const Symbol &S) const override; 32​ void writeGotPlt(uint8_t *Buf, const Symbol &S) const override;
33 void writePltHeader(uint8_t *Buf) const override; 33​ void writePltHeader(uint8_t *Buf) const override;
34 void writePlt(uint8_t *Buf, uint64_t GotPltEntryAddr, uint64_t PltEntryAddr, 34​ void writePlt(uint8_t *Buf, uint64_t GotPltEntryAddr, uint64_t PltEntryAddr,
35 int32_t Index, unsigned RelOff) const override; 35​ int32_t Index, unsigned RelOff) const override;
36 void relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const override; 36​ void relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const override;
37 37​
38 RelExpr adjustRelaxExpr(RelType Type, const uint8_t *Data, 38​ RelExpr adjustRelaxExpr(RelType Type, const uint8_t *Data,
39 RelExpr Expr) const override; 39​ RelExpr Expr) const override;
40 void relaxGot(uint8_t *Loc, uint64_t Val) const override; 40​ void relaxGot(uint8_t *Loc, RelType Type, uint64_t Val) const override;
41 void relaxTlsGdToIe(uint8_t *Loc, RelType Type, uint64_t Val) const override; 41​ void relaxTlsGdToIe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
42 void relaxTlsGdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override; 42​ void relaxTlsGdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
43 void relaxTlsIeToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override; 43​ void relaxTlsIeToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
44 void relaxTlsLdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override; 44​ void relaxTlsLdToLe(uint8_t *Loc, RelType Type, uint64_t Val) const override;
45 bool adjustPrologueForCrossSplitStack(uint8_t *Loc, uint8_t *End, 45​ bool adjustPrologueForCrossSplitStack(uint8_t *Loc, uint8_t *End,
46 uint8_t StOther) const override; 46​ uint8_t StOther) const override;
47 47​
48private: 48​private:
▲ Show 20 Lines • Show All 400 Lines • ▼ Show 20 Line(s)393void X86_64<ELFT>::relaxGotNoPic(uint8_t *Loc, uint64_t Val, uint8_t Op,
449 // "INSTRUCTION SET REFERENCE, N-Z" (Vol. 2B 4-1) for 449​ // "INSTRUCTION SET REFERENCE, N-Z" (Vol. 2B 4-1) for
450 // descriptions about each operation. 450​ // descriptions about each operation.
451 Loc[-2] = 0x81; 451​ Loc[-2] = 0x81;
452 Loc[-3] = (Rex & ~0x4) | (Rex & 0x4) >> 2; 452​ Loc[-3] = (Rex & ~0x4) | (Rex & 0x4) >> 2;
453 write32le(Loc, Val); 453​ write32le(Loc, Val);
454} 454​}
455 455​
456template <class ELFT> 456​template <class ELFT>
457void X86_64<ELFT>::relaxGot(uint8_t *Loc, uint64_t Val) const { 457​void X86_64<ELFT>::relaxGot(uint8_t *Loc, RelType Type, uint64_t Val) const {
458 const uint8_t Op = Loc[-2]; 458​ const uint8_t Op = Loc[-2];
459 const uint8_t ModRm = Loc[-1]; 459​ const uint8_t ModRm = Loc[-1];
460 460​
461 // Convert "mov foo@GOTPCREL(%rip),%reg" to "lea foo(%rip),%reg". 461​ // Convert "mov foo@GOTPCREL(%rip),%reg" to "lea foo(%rip),%reg".
462 if (Op == 0x8b) { 462​ if (Op == 0x8b) {
463 Loc[-2] = 0x8d; 463​ Loc[-2] = 0x8d;
464 write32le(Loc, Val); 464​ write32le(Loc, Val);
465 return; 465​ return;
▲ Show 20 Lines • Show All 211 Lines • Show Last 20 Lines