Adding PIC support for ELF on x86_64 platforms
llvm-svn: 188726
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
index 794c7ec..14fb574 100644
--- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h
@@ -35,13 +35,15 @@
uint64_t Offset,
uint64_t Value,
uint32_t Type,
- int64_t Addend);
+ int64_t Addend,
+ uint64_t SymOffset=0);
void resolveX86_64Relocation(const SectionEntry &Section,
uint64_t Offset,
uint64_t Value,
uint32_t Type,
- int64_t Addend);
+ int64_t Addend,
+ uint64_t SymOffset);
void resolveX86Relocation(const SectionEntry &Section,
uint64_t Offset,
@@ -84,8 +86,18 @@
ObjSectionToIDMap &LocalSections,
RelocationValueRef &Rel);
+ uint64_t findGOTEntry(uint64_t LoadAddr, uint64_t Offset);
+ size_t getGOTEntrySize();
+
+ virtual void updateGOTEntries(StringRef Name, uint64_t Addr);
+
+ SmallVector<RelocationValueRef, 2> GOTEntries;
+ unsigned GOTSectionID;
+
public:
- RuntimeDyldELF(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) {}
+ RuntimeDyldELF(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm),
+ GOTSectionID(0)
+ {}
virtual void resolveRelocation(const RelocationEntry &RE, uint64_t Value);
virtual void processRelocationRef(unsigned SectionID,
@@ -97,6 +109,7 @@
virtual bool isCompatibleFormat(const ObjectBuffer *Buffer) const;
virtual ObjectImage *createObjectImage(ObjectBuffer *InputBuffer);
virtual StringRef getEHFrameSection();
+ virtual void finalizeLoad();
virtual ~RuntimeDyldELF();
};