[MCJIT] Reapply r222828 and r222810-r222812 with fix for MSVC move-op issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222840 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2014-11-26 16:54:40 +00:00
parent 19afe67157
commit 216e532dc1
31 changed files with 645 additions and 869 deletions

View File

@@ -25,6 +25,22 @@ using namespace llvm::object;
#define DEBUG_TYPE "dyld"
namespace {
class LoadedMachOObjectInfo : public RuntimeDyld::LoadedObjectInfo {
public:
LoadedMachOObjectInfo(RuntimeDyldImpl &RTDyld, unsigned BeginIdx,
unsigned EndIdx)
: RuntimeDyld::LoadedObjectInfo(RTDyld, BeginIdx, EndIdx) {}
OwningBinary<ObjectFile>
getObjectForDebug(const ObjectFile &Obj) const override {
return OwningBinary<ObjectFile>();
}
};
}
namespace llvm {
int64_t RuntimeDyldMachO::memcpyAddend(const RelocationEntry &RE) const {
@@ -35,12 +51,12 @@ int64_t RuntimeDyldMachO::memcpyAddend(const RelocationEntry &RE) const {
}
RelocationValueRef RuntimeDyldMachO::getRelocationValueRef(
ObjectImage &ObjImg, const relocation_iterator &RI,
const ObjectFile &BaseTObj, const relocation_iterator &RI,
const RelocationEntry &RE, ObjSectionToIDMap &ObjSectionToID,
const SymbolTableMap &Symbols) {
const MachOObjectFile &Obj =
static_cast<const MachOObjectFile &>(*ObjImg.getObjectFile());
static_cast<const MachOObjectFile &>(BaseTObj);
MachO::any_relocation_info RelInfo =
Obj.getRelocation(RI->getRawDataRefImpl());
RelocationValueRef Value;
@@ -67,7 +83,7 @@ RelocationValueRef RuntimeDyldMachO::getRelocationValueRef(
} else {
SectionRef Sec = Obj.getRelocationSection(RelInfo);
bool IsCode = Sec.isText();
Value.SectionID = findOrEmitSection(ObjImg, Sec, IsCode, ObjSectionToID);
Value.SectionID = findOrEmitSection(Obj, Sec, IsCode, ObjSectionToID);
uint64_t Addr = Sec.getAddress();
Value.Offset = RE.Addend - Addr;
}
@@ -76,11 +92,11 @@ RelocationValueRef RuntimeDyldMachO::getRelocationValueRef(
}
void RuntimeDyldMachO::makeValueAddendPCRel(RelocationValueRef &Value,
ObjectImage &ObjImg,
const ObjectFile &BaseTObj,
const relocation_iterator &RI,
unsigned OffsetToNextPC) {
const MachOObjectFile &Obj =
static_cast<const MachOObjectFile &>(*ObjImg.getObjectFile());
static_cast<const MachOObjectFile &>(BaseTObj);
MachO::any_relocation_info RelInfo =
Obj.getRelocation(RI->getRawDataRefImpl());
@@ -125,7 +141,7 @@ RuntimeDyldMachO::getSectionByAddress(const MachOObjectFile &Obj,
// Populate __pointers section.
void RuntimeDyldMachO::populateIndirectSymbolPointersSection(
MachOObjectFile &Obj,
const MachOObjectFile &Obj,
const SectionRef &PTSection,
unsigned PTSectionID) {
assert(!Obj.is64Bit() &&
@@ -163,28 +179,12 @@ void RuntimeDyldMachO::populateIndirectSymbolPointersSection(
}
}
bool
RuntimeDyldMachO::isCompatibleFormat(const ObjectBuffer *InputBuffer) const {
if (InputBuffer->getBufferSize() < 4)
return false;
StringRef Magic(InputBuffer->getBufferStart(), 4);
if (Magic == "\xFE\xED\xFA\xCE")
return true;
if (Magic == "\xCE\xFA\xED\xFE")
return true;
if (Magic == "\xFE\xED\xFA\xCF")
return true;
if (Magic == "\xCF\xFA\xED\xFE")
return true;
return false;
}
bool RuntimeDyldMachO::isCompatibleFile(const object::ObjectFile *Obj) const {
return Obj->isMachO();
bool RuntimeDyldMachO::isCompatibleFile(const object::ObjectFile &Obj) const {
return Obj.isMachO();
}
template <typename Impl>
void RuntimeDyldMachOCRTPBase<Impl>::finalizeLoad(ObjectImage &ObjImg,
void RuntimeDyldMachOCRTPBase<Impl>::finalizeLoad(const ObjectFile &ObjImg,
ObjSectionToIDMap &SectionMap) {
unsigned EHFrameSID = RTDYLD_INVALID_SECTION_ID;
unsigned TextSID = RTDYLD_INVALID_SECTION_ID;
@@ -284,7 +284,7 @@ void RuntimeDyldMachOCRTPBase<Impl>::registerEHFrames() {
}
std::unique_ptr<RuntimeDyldMachO>
llvm::RuntimeDyldMachO::create(Triple::ArchType Arch, RTDyldMemoryManager *MM) {
RuntimeDyldMachO::create(Triple::ArchType Arch, RTDyldMemoryManager *MM) {
switch (Arch) {
default:
llvm_unreachable("Unsupported target for RuntimeDyldMachO.");
@@ -296,4 +296,12 @@ llvm::RuntimeDyldMachO::create(Triple::ArchType Arch, RTDyldMemoryManager *MM) {
}
}
std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
RuntimeDyldMachO::loadObject(const object::ObjectFile &O) {
unsigned SectionStartIdx, SectionEndIdx;
std::tie(SectionStartIdx, SectionEndIdx) = loadObjectImpl(O);
return llvm::make_unique<LoadedMachOObjectInfo>(*this, SectionStartIdx,
SectionEndIdx);
}
} // end namespace llvm