diff options
Diffstat (limited to 'ELF/Target.h')
| -rw-r--r-- | ELF/Target.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/ELF/Target.h b/ELF/Target.h index 752f9cd5ee4e..4b88626050b3 100644 --- a/ELF/Target.h +++ b/ELF/Target.h @@ -25,13 +25,12 @@ class TargetInfo { public: virtual bool isTlsInitialExecRel(uint32_t Type) const; virtual bool isTlsLocalDynamicRel(uint32_t Type) const; - virtual bool isTlsGlobalDynamicRel(uint32_t Type) const; virtual bool isPicRel(uint32_t Type) const { return true; } virtual uint32_t getDynRel(uint32_t Type) const { return Type; } virtual void writeGotPltHeader(uint8_t *Buf) const {} virtual void writeGotPlt(uint8_t *Buf, const SymbolBody &S) const {}; virtual void writeIgotPlt(uint8_t *Buf, const SymbolBody &S) const; - virtual uint64_t getImplicitAddend(const uint8_t *Buf, uint32_t Type) const; + virtual int64_t getImplicitAddend(const uint8_t *Buf, uint32_t Type) const; // If lazy binding is supported, the first entry of the PLT has code // to call the dynamic linker to resolve PLT entries the first time @@ -41,7 +40,8 @@ public: virtual void writePlt(uint8_t *Buf, uint64_t GotEntryAddr, uint64_t PltEntryAddr, int32_t Index, unsigned RelOff) const {} - + virtual void addPltHeaderSymbols(InputSectionBase *IS) const {} + virtual void addPltSymbols(InputSectionBase *IS, uint64_t Off) const {} // Returns true if a relocation only uses the low bits of a value such that // all those bits are in in the same page. For example, if the relocation // only uses the low 12 bits in a system with 4k pages. If this is true, the @@ -50,15 +50,11 @@ public: virtual bool usesOnlyLowPageBits(uint32_t Type) const; // Decide whether a Thunk is needed for the relocation from File - // targeting S. Returns one of: - // Expr if there is no Thunk required - // R_THUNK_ABS if thunk is required and expression is absolute - // R_THUNK_PC if thunk is required and expression is pc rel - // R_THUNK_PLT_PC if thunk is required to PLT entry and expression is pc rel - virtual RelExpr getThunkExpr(RelExpr Expr, uint32_t RelocType, - const InputFile &File, - const SymbolBody &S) const; - virtual RelExpr getRelExpr(uint32_t Type, const SymbolBody &S) const = 0; + // targeting S. + virtual bool needsThunk(RelExpr Expr, uint32_t RelocType, + const InputFile *File, const SymbolBody &S) const; + virtual RelExpr getRelExpr(uint32_t Type, const SymbolBody &S, + const uint8_t *Loc) const = 0; virtual void relocateOne(uint8_t *Loc, uint32_t Type, uint64_t Val) const = 0; virtual ~TargetInfo(); @@ -95,6 +91,10 @@ public: bool NeedsThunks = false; + // A 4-byte field corresponding to one or more trap instructions, used to pad + // executable OutputSections. + uint32_t TrapInstr = 0; + virtual RelExpr adjustRelaxExpr(uint32_t Type, const uint8_t *Data, RelExpr Expr) const; virtual void relaxGot(uint8_t *Loc, uint64_t Val) const; |