diff options
Diffstat (limited to 'lld/ELF/Target.h')
| -rw-r--r-- | lld/ELF/Target.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lld/ELF/Target.h b/lld/ELF/Target.h index e439b20f852..76db720d4da 100644 --- a/lld/ELF/Target.h +++ b/lld/ELF/Target.h @@ -41,8 +41,8 @@ public: virtual void writePlt(uint8_t *Buf, uint64_t GotEntryAddr, uint64_t PltEntryAddr, int32_t Index, unsigned RelOff) const {} - virtual void addPltHeaderSymbols(InputSectionData *IS) const {} - virtual void addPltSymbols(InputSectionData *IS, uint64_t Off) const {} + virtual void addPltHeaderSymbols(InputSectionData* IS) const {} + virtual void addPltSymbols(InputSectionData* 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 @@ -51,9 +51,14 @@ public: virtual bool usesOnlyLowPageBits(uint32_t Type) const; // Decide whether a Thunk is needed for the relocation from File - // targeting S. - virtual bool needsThunk(RelExpr Expr, uint32_t RelocType, - const InputFile *File, const SymbolBody &S) const; + // 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; virtual void relocateOne(uint8_t *Loc, uint32_t Type, uint64_t Val) const = 0; virtual ~TargetInfo(); |
