-//===-- RuntimeDyld.h - Run-time dynamic linker for MC-JIT ------*- C++ -*-===//
+//===-- RuntimeDyld.cpp - Run-time dynamic linker for MC-JIT ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "dyld"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/Twine.h"
-#include "llvm/ExecutionEngine/RuntimeDyld.h"
-#include "llvm/Object/MachOObject.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/Format.h"
-#include "llvm/Support/Memory.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/system_error.h"
-#include "llvm/Support/raw_ostream.h"
+#include "RuntimeDyldImpl.h"
+#include "llvm/Support/Path.h"
using namespace llvm;
using namespace llvm::object;
// Empty out-of-line virtual destructor as the key function.
RTDyldMemoryManager::~RTDyldMemoryManager() {}
+RuntimeDyldImpl::~RuntimeDyldImpl() {}
namespace llvm {
-class RuntimeDyldImpl {
- unsigned CPUType;
- unsigned CPUSubtype;
-
- // The MemoryManager to load objects into.
- RTDyldMemoryManager *MemMgr;
-
-
- // For each function, we have a MemoryBlock of it's instruction data.
- StringMap<sys::MemoryBlock> Functions;
-
- // Master symbol table. As modules are loaded and external symbols are
- // resolved, their addresses are stored here.
- StringMap<uint64_t> SymbolTable;
-
- // FIXME: Should have multiple data blocks, one for each loaded chunk of
- // compiled code.
- sys::MemoryBlock Data;
-
- bool HasError;
- std::string ErrorStr;
-
- // Set the error state and record an error string.
- bool Error(const Twine &Msg) {
- ErrorStr = Msg.str();
- HasError = true;
- return true;
- }
-
- void extractFunction(StringRef Name, uint8_t *StartAddress,
- uint8_t *EndAddress);
- bool resolveRelocation(uint32_t BaseSection, macho::RelocationEntry RE,
- SmallVectorImpl<void *> &SectionBases,
- SmallVectorImpl<StringRef> &SymbolNames);
- bool resolveX86_64Relocation(intptr_t Address, intptr_t Value, bool isPCRel,
- unsigned Type, unsigned Size);
- bool resolveARMRelocation(intptr_t Address, intptr_t Value, bool isPCRel,
- unsigned Type, unsigned Size);
-
- bool loadSegment32(const MachOObject *Obj,
- const MachOObject::LoadCommandInfo *SegmentLCI,
- const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC);
- bool loadSegment64(const MachOObject *Obj,
- const MachOObject::LoadCommandInfo *SegmentLCI,
- const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC);
-
-public:
- RuntimeDyldImpl(RTDyldMemoryManager *mm) : MemMgr(mm), HasError(false) {}
-
- bool loadObject(MemoryBuffer *InputBuffer);
-
- void *getSymbolAddress(StringRef Name) {
- // FIXME: Just look up as a function for now. Overly simple of course.
- // Work in progress.
- return Functions.lookup(Name).base();
- }
-
- sys::MemoryBlock getMemoryBlock() { return Data; }
-
- // Is the linker in an error state?
- bool hasError() { return HasError; }
-
- // Mark the error condition as handled and continue.
- void clearError() { HasError = false; }
-
- // Get the error message.
- StringRef getErrorString() { return ErrorStr; }
-};
void RuntimeDyldImpl::extractFunction(StringRef Name, uint8_t *StartAddress,
uint8_t *EndAddress) {
+ // FIXME: DEPRECATED in favor of by-section allocation.
// Allocate memory for the function via the memory manager.
uintptr_t Size = EndAddress - StartAddress + 1;
- uint8_t *Mem = MemMgr->startFunctionBody(Name.data(), Size);
+ uintptr_t AllocSize = Size;
+ uint8_t *Mem = MemMgr->startFunctionBody(Name.data(), AllocSize);
assert(Size >= (uint64_t)(EndAddress - StartAddress + 1) &&
"Memory manager failed to allocate enough memory!");
// Copy the function payload into the memory block.
- memcpy(Mem, StartAddress, EndAddress - StartAddress + 1);
+ memcpy(Mem, StartAddress, Size);
MemMgr->endFunctionBody(Name.data(), Mem, Mem + Size);
// Remember where we put it.
- Functions[Name] = sys::MemoryBlock(Mem, Size);
- DEBUG(dbgs() << " allocated to " << Mem << "\n");
-}
-
-bool RuntimeDyldImpl::
-resolveRelocation(uint32_t BaseSection, macho::RelocationEntry RE,
- SmallVectorImpl<void *> &SectionBases,
- SmallVectorImpl<StringRef> &SymbolNames) {
- // struct relocation_info {
- // int32_t r_address;
- // uint32_t r_symbolnum:24,
- // r_pcrel:1,
- // r_length:2,
- // r_extern:1,
- // r_type:4;
- // };
- uint32_t SymbolNum = RE.Word1 & 0xffffff; // 24-bit value
- bool isPCRel = (RE.Word1 >> 24) & 1;
- unsigned Log2Size = (RE.Word1 >> 25) & 3;
- bool isExtern = (RE.Word1 >> 27) & 1;
- unsigned Type = (RE.Word1 >> 28) & 0xf;
- if (RE.Word0 & macho::RF_Scattered)
- return Error("NOT YET IMPLEMENTED: scattered relocations.");
-
- // The address requiring a relocation.
- intptr_t Address = (intptr_t)SectionBases[BaseSection] + RE.Word0;
-
- // Figure out the target address of the relocation. If isExtern is true,
- // this relocation references the symbol table, otherwise it references
- // a section in the same object, numbered from 1 through NumSections
- // (SectionBases is [0, NumSections-1]).
- intptr_t Value;
- if (isExtern) {
- StringRef Name = SymbolNames[SymbolNum];
- if (SymbolTable.lookup(Name)) {
- // The symbol is in our symbol table, so we can resolve it directly.
- Value = (intptr_t)SymbolTable[Name];
- } else {
- return Error("NOT YET IMPLEMENTED: relocations to pre-compiled code.");
- }
- DEBUG(dbgs() << "Resolve relocation(" << Type << ") from '" << Name
- << "' to " << format("0x%x", Address) << ".\n");
- } else {
- // For non-external relocations, the SymbolNum is actual a section number
- // as described above.
- Value = (intptr_t)SectionBases[SymbolNum - 1];
- }
-
- unsigned Size = 1 << Log2Size;
- switch (CPUType) {
- default: assert(0 && "Unsupported CPU type!");
- case mach::CTM_x86_64:
- return resolveX86_64Relocation(Address, Value, isPCRel, Type, Size);
- case mach::CTM_ARM:
- return resolveARMRelocation(Address, Value, isPCRel, Type, Size);
- }
- llvm_unreachable("");
-}
-
-bool RuntimeDyldImpl::resolveX86_64Relocation(intptr_t Address, intptr_t Value,
- bool isPCRel, unsigned Type,
- unsigned Size) {
- // If the relocation is PC-relative, the value to be encoded is the
- // pointer difference.
- if (isPCRel)
- // FIXME: It seems this value needs to be adjusted by 4 for an effective PC
- // address. Is that expected? Only for branches, perhaps?
- Value -= Address + 4;
-
- switch(Type) {
- default:
- llvm_unreachable("Invalid relocation type!");
- case macho::RIT_X86_64_Unsigned:
- case macho::RIT_X86_64_Branch: {
- // Mask in the target value a byte at a time (we don't have an alignment
- // guarantee for the target address, so this is safest).
- uint8_t *p = (uint8_t*)Address;
- for (unsigned i = 0; i < Size; ++i) {
- *p++ = (uint8_t)Value;
- Value >>= 8;
- }
- return false;
- }
- case macho::RIT_X86_64_Signed:
- case macho::RIT_X86_64_GOTLoad:
- case macho::RIT_X86_64_GOT:
- case macho::RIT_X86_64_Subtractor:
- case macho::RIT_X86_64_Signed1:
- case macho::RIT_X86_64_Signed2:
- case macho::RIT_X86_64_Signed4:
- case macho::RIT_X86_64_TLV:
- return Error("Relocation type not implemented yet!");
- }
- return false;
-}
-
-bool RuntimeDyldImpl::resolveARMRelocation(intptr_t Address, intptr_t Value,
- bool isPCRel, unsigned Type,
- unsigned Size) {
- // If the relocation is PC-relative, the value to be encoded is the
- // pointer difference.
- if (isPCRel) {
- Value -= Address;
- // ARM PCRel relocations have an effective-PC offset of two instructions
- // (four bytes in Thumb mode, 8 bytes in ARM mode).
- // FIXME: For now, assume ARM mode.
- Value -= 8;
- }
-
- switch(Type) {
- default:
- case macho::RIT_Vanilla: {
- llvm_unreachable("Invalid relocation type!");
- // Mask in the target value a byte at a time (we don't have an alignment
- // guarantee for the target address, so this is safest).
- uint8_t *p = (uint8_t*)Address;
- for (unsigned i = 0; i < Size; ++i) {
- *p++ = (uint8_t)Value;
- Value >>= 8;
- }
- break;
- }
- case macho::RIT_Pair:
- case macho::RIT_Difference:
- case macho::RIT_ARM_LocalDifference:
- case macho::RIT_ARM_PreboundLazyPointer:
- case macho::RIT_ARM_Branch24Bit: {
- // Mask the value into the target address. We know instructions are
- // 32-bit aligned, so we can do it all at once.
- uint32_t *p = (uint32_t*)Address;
- // The low two bits of the value are not encoded.
- Value >>= 2;
- // Mask the value to 24 bits.
- Value &= 0xffffff;
- // FIXME: If the destination is a Thumb function (and the instruction
- // is a non-predicated BL instruction), we need to change it to a BLX
- // instruction instead.
-
- // Insert the value into the instruction.
- *p = (*p & ~0xffffff) | Value;
- break;
- }
- case macho::RIT_ARM_ThumbBranch22Bit:
- case macho::RIT_ARM_ThumbBranch32Bit:
- case macho::RIT_ARM_Half:
- case macho::RIT_ARM_HalfDifference:
- return Error("Relocation type not implemented yet!");
- }
- return false;
-}
-
-bool RuntimeDyldImpl::
-loadSegment32(const MachOObject *Obj,
- const MachOObject::LoadCommandInfo *SegmentLCI,
- const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC) {
- InMemoryStruct<macho::SegmentLoadCommand> Segment32LC;
- Obj->ReadSegmentLoadCommand(*SegmentLCI, Segment32LC);
- if (!Segment32LC)
- return Error("unable to load segment load command");
-
- for (unsigned SectNum = 0; SectNum != Segment32LC->NumSections; ++SectNum) {
- InMemoryStruct<macho::Section> Sect;
- Obj->ReadSection(*SegmentLCI, SectNum, Sect);
- if (!Sect)
- return Error("unable to load section: '" + Twine(SectNum) + "'");
-
- // FIXME: Improve check.
- if (Sect->Flags != 0x80000400)
- return Error("unsupported section type!");
-
- // Address and names of symbols in the section.
- typedef std::pair<uint64_t, StringRef> SymbolEntry;
- SmallVector<SymbolEntry, 32> Symbols;
- for (unsigned i = 0; i != SymtabLC->NumSymbolTableEntries; ++i) {
- InMemoryStruct<macho::SymbolTableEntry> STE;
- Obj->ReadSymbolTableEntry(SymtabLC->SymbolTableOffset, i, STE);
- if (!STE)
- return Error("unable to read symbol: '" + Twine(i) + "'");
- if (STE->SectionIndex > Segment32LC->NumSections)
- return Error("invalid section index for symbol: '" + Twine(i) + "'");
+ unsigned SectionID = Sections.size();
+ Sections.push_back(sys::MemoryBlock(Mem, Size));
- // Just skip symbols not defined in this section.
- if ((unsigned)STE->SectionIndex - 1 != SectNum)
- continue;
-
- // Get the symbol name.
- StringRef Name = Obj->getStringAtIndex(STE->StringIndex);
-
- // FIXME: Check the symbol type and flags.
- if (STE->Type != 0xF) // external, defined in this section.
- return Error("unexpected symbol type!");
- if (STE->Flags != 0x0)
- return Error("unexpected symbol type!");
-
- uint64_t BaseAddress = Sect->Address;
- uint64_t Address = BaseAddress + STE->Value;
-
- // Remember the symbol.
- Symbols.push_back(SymbolEntry(Address, Name));
-
- DEBUG(dbgs() << "Function sym: '" << Name << "' @ " << Address << "\n");
- }
- // Sort the symbols by address, just in case they didn't come in that
- // way.
- array_pod_sort(Symbols.begin(), Symbols.end());
-
- // Extract the function data.
- uint8_t *Base = (uint8_t*)Obj->getData(Segment32LC->FileOffset,
- Segment32LC->FileSize).data();
- for (unsigned i = 0, e = Symbols.size() - 1; i != e; ++i) {
- uint64_t StartOffset = Symbols[i].first;
- uint64_t EndOffset = Symbols[i + 1].first - 1;
- DEBUG(dbgs() << "Extracting function: " << Symbols[i].second
- << " from [" << StartOffset << ", " << EndOffset << "]\n");
- extractFunction(Symbols[i].second, Base + StartOffset, Base + EndOffset);
- }
- // The last symbol we do after since the end address is calculated
- // differently because there is no next symbol to reference.
- uint64_t StartOffset = Symbols[Symbols.size() - 1].first;
- uint64_t EndOffset = Sect->Size - 1;
- DEBUG(dbgs() << "Extracting function: " << Symbols[Symbols.size()-1].second
- << " from [" << StartOffset << ", " << EndOffset << "]\n");
- extractFunction(Symbols[Symbols.size()-1].second,
- Base + StartOffset, Base + EndOffset);
- }
-
- return false;
+ // Default the assigned address for this symbol to wherever this
+ // allocated it.
+ SymbolTable[Name] = SymbolLoc(SectionID, 0);
+ DEBUG(dbgs() << " allocated to [" << Mem << ", " << Mem + Size << "]\n");
}
-
-bool RuntimeDyldImpl::
-loadSegment64(const MachOObject *Obj,
- const MachOObject::LoadCommandInfo *SegmentLCI,
- const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC) {
- InMemoryStruct<macho::Segment64LoadCommand> Segment64LC;
- Obj->ReadSegment64LoadCommand(*SegmentLCI, Segment64LC);
- if (!Segment64LC)
- return Error("unable to load segment load command");
-
- for (unsigned SectNum = 0; SectNum != Segment64LC->NumSections; ++SectNum) {
- InMemoryStruct<macho::Section64> Sect;
- Obj->ReadSection64(*SegmentLCI, SectNum, Sect);
- if (!Sect)
- return Error("unable to load section: '" + Twine(SectNum) + "'");
-
- // FIXME: Improve check.
- if (Sect->Flags != 0x80000400)
- return Error("unsupported section type!");
-
- // Address and names of symbols in the section.
- typedef std::pair<uint64_t, StringRef> SymbolEntry;
- SmallVector<SymbolEntry, 64> Symbols;
- for (unsigned i = 0; i != SymtabLC->NumSymbolTableEntries; ++i) {
- InMemoryStruct<macho::Symbol64TableEntry> STE;
- Obj->ReadSymbol64TableEntry(SymtabLC->SymbolTableOffset, i, STE);
- if (!STE)
- return Error("unable to read symbol: '" + Twine(i) + "'");
- if (STE->SectionIndex > Segment64LC->NumSections)
- return Error("invalid section index for symbol: '" + Twine(i) + "'");
-
- // Just skip symbols not defined in this section.
- if ((unsigned)STE->SectionIndex - 1 != SectNum)
- continue;
-
- // Get the symbol name.
- StringRef Name = Obj->getStringAtIndex(STE->StringIndex);
-
- // FIXME: Check the symbol type and flags.
- if (STE->Type != 0xF) // external, defined in this section.
- return Error("unexpected symbol type!");
- if (STE->Flags != 0x0)
- return Error("unexpected symbol type!");
-
- uint64_t BaseAddress = Sect->Address;
- uint64_t Address = BaseAddress + STE->Value;
-
- // Remember the symbol.
- Symbols.push_back(SymbolEntry(Address, Name));
-
- DEBUG(dbgs() << "Function sym: '" << Name << "' @ " << Address << "\n");
- }
- // Sort the symbols by address, just in case they didn't come in that
- // way.
- array_pod_sort(Symbols.begin(), Symbols.end());
-
- // Extract the function data.
- uint8_t *Base = (uint8_t*)Obj->getData(Segment64LC->FileOffset,
- Segment64LC->FileSize).data();
- for (unsigned i = 0, e = Symbols.size() - 1; i != e; ++i) {
- uint64_t StartOffset = Symbols[i].first;
- uint64_t EndOffset = Symbols[i + 1].first - 1;
- DEBUG(dbgs() << "Extracting function: " << Symbols[i].second
- << " from [" << StartOffset << ", " << EndOffset << "]\n");
- extractFunction(Symbols[i].second, Base + StartOffset, Base + EndOffset);
- }
- // The last symbol we do after since the end address is calculated
- // differently because there is no next symbol to reference.
- uint64_t StartOffset = Symbols[Symbols.size() - 1].first;
- uint64_t EndOffset = Sect->Size - 1;
- DEBUG(dbgs() << "Extracting function: " << Symbols[Symbols.size()-1].second
- << " from [" << StartOffset << ", " << EndOffset << "]\n");
- extractFunction(Symbols[Symbols.size()-1].second,
- Base + StartOffset, Base + EndOffset);
+// Resolve the relocations for all symbols we currently know about.
+void RuntimeDyldImpl::resolveRelocations() {
+ // Just iterate over the sections we have and resolve all the relocations
+ // in them. Gross overkill, but it gets the job done.
+ for (int i = 0, e = Sections.size(); i != e; ++i) {
+ reassignSectionAddress(i, SectionLoadAddress[i]);
}
-
- return false;
}
-bool RuntimeDyldImpl::loadObject(MemoryBuffer *InputBuffer) {
- // If the linker is in an error state, don't do anything.
- if (hasError())
- return true;
- // Load the Mach-O wrapper object.
- std::string ErrorStr;
- OwningPtr<MachOObject> Obj(
- MachOObject::LoadFromBuffer(InputBuffer, &ErrorStr));
- if (!Obj)
- return Error("unable to load object: '" + ErrorStr + "'");
-
- // Get the CPU type information from the header.
- const macho::Header &Header = Obj->getHeader();
-
- // FIXME: Error checking that the loaded object is compatible with
- // the system we're running on.
- CPUType = Header.CPUType;
- CPUSubtype = Header.CPUSubtype;
-
- // Validate that the load commands match what we expect.
- const MachOObject::LoadCommandInfo *SegmentLCI = 0, *SymtabLCI = 0,
- *DysymtabLCI = 0;
- for (unsigned i = 0; i != Header.NumLoadCommands; ++i) {
- const MachOObject::LoadCommandInfo &LCI = Obj->getLoadCommandInfo(i);
- switch (LCI.Command.Type) {
- case macho::LCT_Segment:
- case macho::LCT_Segment64:
- if (SegmentLCI)
- return Error("unexpected input object (multiple segments)");
- SegmentLCI = &LCI;
- break;
- case macho::LCT_Symtab:
- if (SymtabLCI)
- return Error("unexpected input object (multiple symbol tables)");
- SymtabLCI = &LCI;
- break;
- case macho::LCT_Dysymtab:
- if (DysymtabLCI)
- return Error("unexpected input object (multiple symbol tables)");
- DysymtabLCI = &LCI;
- break;
- default:
- return Error("unexpected input object (unexpected load command");
- }
- }
-
- if (!SymtabLCI)
- return Error("no symbol table found in object");
- if (!SegmentLCI)
- return Error("no symbol table found in object");
-
- // Read and register the symbol table data.
- InMemoryStruct<macho::SymtabLoadCommand> SymtabLC;
- Obj->ReadSymtabLoadCommand(*SymtabLCI, SymtabLC);
- if (!SymtabLC)
- return Error("unable to load symbol table load command");
- Obj->RegisterStringTable(*SymtabLC);
-
- // Read the dynamic link-edit information, if present (not present in static
- // objects).
- if (DysymtabLCI) {
- InMemoryStruct<macho::DysymtabLoadCommand> DysymtabLC;
- Obj->ReadDysymtabLoadCommand(*DysymtabLCI, DysymtabLC);
- if (!DysymtabLC)
- return Error("unable to load dynamic link-exit load command");
-
- // FIXME: We don't support anything interesting yet.
-// if (DysymtabLC->LocalSymbolsIndex != 0)
-// return Error("NOT YET IMPLEMENTED: local symbol entries");
-// if (DysymtabLC->ExternalSymbolsIndex != 0)
-// return Error("NOT YET IMPLEMENTED: non-external symbol entries");
-// if (DysymtabLC->UndefinedSymbolsIndex != SymtabLC->NumSymbolTableEntries)
-// return Error("NOT YET IMPLEMENTED: undefined symbol entries");
- }
-
- // Load the segment load command.
- if (SegmentLCI->Command.Type == macho::LCT_Segment) {
- if (loadSegment32(Obj.get(), SegmentLCI, SymtabLC))
- return true;
- } else {
- if (loadSegment64(Obj.get(), SegmentLCI, SymtabLC))
- return true;
- }
-
- return false;
+void RuntimeDyldImpl::mapSectionAddress(void *LocalAddress,
+ uint64_t TargetAddress) {
+ assert(SectionLocalMemToID.count(LocalAddress) &&
+ "Attempting to remap address of unknown section!");
+ unsigned SectionID = SectionLocalMemToID[LocalAddress];
+ reassignSectionAddress(SectionID, TargetAddress);
}
-
//===----------------------------------------------------------------------===//
// RuntimeDyld class implementation
-RuntimeDyld::RuntimeDyld(RTDyldMemoryManager *MM) {
- Dyld = new RuntimeDyldImpl(MM);
+RuntimeDyld::RuntimeDyld(RTDyldMemoryManager *mm) {
+ Dyld = 0;
+ MM = mm;
}
RuntimeDyld::~RuntimeDyld() {
}
bool RuntimeDyld::loadObject(MemoryBuffer *InputBuffer) {
+ if (!Dyld) {
+ sys::LLVMFileType type = sys::IdentifyFileType(
+ InputBuffer->getBufferStart(),
+ static_cast<unsigned>(InputBuffer->getBufferSize()));
+ switch (type) {
+ case sys::ELF_Relocatable_FileType:
+ case sys::ELF_Executable_FileType:
+ case sys::ELF_SharedObject_FileType:
+ case sys::ELF_Core_FileType:
+ Dyld = new RuntimeDyldELF(MM);
+ break;
+ case sys::Mach_O_Object_FileType:
+ case sys::Mach_O_Executable_FileType:
+ case sys::Mach_O_FixedVirtualMemorySharedLib_FileType:
+ case sys::Mach_O_Core_FileType:
+ case sys::Mach_O_PreloadExecutable_FileType:
+ case sys::Mach_O_DynamicallyLinkedSharedLib_FileType:
+ case sys::Mach_O_DynamicLinker_FileType:
+ case sys::Mach_O_Bundle_FileType:
+ case sys::Mach_O_DynamicallyLinkedSharedLibStub_FileType:
+ case sys::Mach_O_DSYMCompanion_FileType:
+ Dyld = new RuntimeDyldMachO(MM);
+ break;
+ case sys::Unknown_FileType:
+ case sys::Bitcode_FileType:
+ case sys::Archive_FileType:
+ case sys::COFF_FileType:
+ report_fatal_error("Incompatible object format!");
+ }
+ } else {
+ if (!Dyld->isCompatibleFormat(InputBuffer))
+ report_fatal_error("Incompatible object format!");
+ }
+
return Dyld->loadObject(InputBuffer);
}
return Dyld->getSymbolAddress(Name);
}
-sys::MemoryBlock RuntimeDyld::getMemoryBlock() {
- return Dyld->getMemoryBlock();
+void RuntimeDyld::resolveRelocations() {
+ Dyld->resolveRelocations();
+}
+
+void RuntimeDyld::reassignSectionAddress(unsigned SectionID,
+ uint64_t Addr) {
+ Dyld->reassignSectionAddress(SectionID, Addr);
+}
+
+void RuntimeDyld::mapSectionAddress(void *LocalAddress,
+ uint64_t TargetAddress) {
+ Dyld->mapSectionAddress(LocalAddress, TargetAddress);
}
StringRef RuntimeDyld::getErrorString() {