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-rw-r--r--lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h60
1 files changed, 41 insertions, 19 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h
index 1006176..060eb8c 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h
@@ -25,22 +25,31 @@ using namespace llvm::object;
namespace llvm {
class RuntimeDyldMachO : public RuntimeDyldImpl {
- bool resolveI386Relocation(uint8_t *LocalAddress, uint64_t FinalAddress,
- uint64_t Value, bool isPCRel, unsigned Type,
- unsigned Size, int64_t Addend);
- bool resolveX86_64Relocation(uint8_t *LocalAddress, uint64_t FinalAddress,
- uint64_t Value, bool isPCRel, unsigned Type,
- unsigned Size, int64_t Addend);
- bool resolveARMRelocation(uint8_t *LocalAddress, uint64_t FinalAddress,
- uint64_t Value, bool isPCRel, unsigned Type,
- unsigned Size, int64_t Addend);
- bool resolveARM64Relocation(uint8_t *LocalAddress, uint64_t FinalAddress,
- uint64_t Value, bool IsPCRel, unsigned Type,
- unsigned Size, int64_t Addend);
-
- void resolveRelocation(const SectionEntry &Section, uint64_t Offset,
- uint64_t Value, uint32_t Type, int64_t Addend,
- bool isPCRel, unsigned Size);
+private:
+
+ /// Write the least significant 'Size' bytes in 'Value' out at the address
+ /// pointed to by Addr.
+ bool applyRelocationValue(uint8_t *Addr, uint64_t Value, unsigned Size) {
+ for (unsigned i = 0; i < Size; ++i) {
+ *Addr++ = (uint8_t)Value;
+ Value >>= 8;
+ }
+
+ return false;
+ }
+
+ bool resolveI386Relocation(const RelocationEntry &RE, uint64_t Value);
+ bool resolveX86_64Relocation(const RelocationEntry &RE, uint64_t Value);
+ bool resolveARMRelocation(const RelocationEntry &RE, uint64_t Value);
+ bool resolveAArch64Relocation(const RelocationEntry &RE, uint64_t Value);
+
+ // Populate stubs in __jump_table section.
+ void populateJumpTable(MachOObjectFile &Obj, const SectionRef &JTSection,
+ unsigned JTSectionID);
+
+ // Populate __pointers section.
+ void populatePointersSection(MachOObjectFile &Obj, const SectionRef &PTSection,
+ unsigned PTSectionID);
unsigned getMaxStubSize() override {
if (Arch == Triple::arm || Arch == Triple::thumb)
@@ -53,6 +62,18 @@ class RuntimeDyldMachO : public RuntimeDyldImpl {
unsigned getStubAlignment() override { return 1; }
+ relocation_iterator processSECTDIFFRelocation(
+ unsigned SectionID,
+ relocation_iterator RelI,
+ ObjectImage &ObjImg,
+ ObjSectionToIDMap &ObjSectionToID);
+
+ relocation_iterator processI386ScatteredVANILLA(
+ unsigned SectionID,
+ relocation_iterator RelI,
+ ObjectImage &ObjImg,
+ ObjSectionToIDMap &ObjSectionToID);
+
struct EHFrameRelatedSections {
EHFrameRelatedSections()
: EHFrameSID(RTDYLD_INVALID_SECTION_ID),
@@ -81,15 +102,16 @@ public:
bool isCompatibleFormat(const ObjectBuffer *Buffer) const override;
bool isCompatibleFile(const object::ObjectFile *Obj) const override;
void registerEHFrames() override;
- void finalizeLoad(ObjSectionToIDMap &SectionMap) override;
+ void finalizeLoad(ObjectImage &ObjImg,
+ ObjSectionToIDMap &SectionMap) override;
static ObjectImage *createObjectImage(ObjectBuffer *InputBuffer) {
return new ObjectImageCommon(InputBuffer);
}
static ObjectImage *
- createObjectImageFromFile(object::ObjectFile *InputObject) {
- return new ObjectImageCommon(InputObject);
+ createObjectImageFromFile(std::unique_ptr<object::ObjectFile> InputObject) {
+ return new ObjectImageCommon(std::move(InputObject));
}
};