1124 lines
39 KiB
C++
1124 lines
39 KiB
C++
//===- COFFObjectFile.cpp - COFF object file implementation -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the COFFObjectFile class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Object/COFF.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/COFF.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cctype>
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#include <limits>
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using namespace llvm;
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using namespace object;
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using support::ulittle8_t;
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using support::ulittle16_t;
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using support::ulittle32_t;
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using support::little16_t;
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// Returns false if size is greater than the buffer size. And sets ec.
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static bool checkSize(const MemoryBuffer &M, std::error_code &EC,
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uint64_t Size) {
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if (M.getBufferSize() < Size) {
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EC = object_error::unexpected_eof;
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return false;
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}
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return true;
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}
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// Sets Obj unless any bytes in [addr, addr + size) fall outsize of m.
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// Returns unexpected_eof if error.
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template <typename T>
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static std::error_code getObject(const T *&Obj, const MemoryBuffer &M,
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const uint8_t *Ptr,
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const size_t Size = sizeof(T)) {
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uintptr_t Addr = uintptr_t(Ptr);
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if (Addr + Size < Addr || Addr + Size < Size ||
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Addr + Size > uintptr_t(M.getBufferEnd())) {
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return object_error::unexpected_eof;
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}
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Obj = reinterpret_cast<const T *>(Addr);
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return object_error::success;
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}
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// Decode a string table entry in base 64 (//AAAAAA). Expects \arg Str without
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// prefixed slashes.
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static bool decodeBase64StringEntry(StringRef Str, uint32_t &Result) {
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assert(Str.size() <= 6 && "String too long, possible overflow.");
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if (Str.size() > 6)
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return true;
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uint64_t Value = 0;
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while (!Str.empty()) {
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unsigned CharVal;
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if (Str[0] >= 'A' && Str[0] <= 'Z') // 0..25
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CharVal = Str[0] - 'A';
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else if (Str[0] >= 'a' && Str[0] <= 'z') // 26..51
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CharVal = Str[0] - 'a' + 26;
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else if (Str[0] >= '0' && Str[0] <= '9') // 52..61
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CharVal = Str[0] - '0' + 52;
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else if (Str[0] == '+') // 62
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CharVal = 62;
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else if (Str[0] == '/') // 63
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CharVal = 63;
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else
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return true;
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Value = (Value * 64) + CharVal;
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Str = Str.substr(1);
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}
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if (Value > std::numeric_limits<uint32_t>::max())
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return true;
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Result = static_cast<uint32_t>(Value);
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return false;
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}
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const coff_symbol *COFFObjectFile::toSymb(DataRefImpl Ref) const {
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const coff_symbol *Addr = reinterpret_cast<const coff_symbol*>(Ref.p);
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# ifndef NDEBUG
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// Verify that the symbol points to a valid entry in the symbol table.
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uintptr_t Offset = uintptr_t(Addr) - uintptr_t(base());
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if (Offset < COFFHeader->PointerToSymbolTable
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|| Offset >= COFFHeader->PointerToSymbolTable
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+ (COFFHeader->NumberOfSymbols * sizeof(coff_symbol)))
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report_fatal_error("Symbol was outside of symbol table.");
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assert((Offset - COFFHeader->PointerToSymbolTable) % sizeof(coff_symbol)
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== 0 && "Symbol did not point to the beginning of a symbol");
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# endif
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return Addr;
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}
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const coff_section *COFFObjectFile::toSec(DataRefImpl Ref) const {
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const coff_section *Addr = reinterpret_cast<const coff_section*>(Ref.p);
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# ifndef NDEBUG
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// Verify that the section points to a valid entry in the section table.
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if (Addr < SectionTable
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|| Addr >= (SectionTable + COFFHeader->NumberOfSections))
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report_fatal_error("Section was outside of section table.");
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uintptr_t Offset = uintptr_t(Addr) - uintptr_t(SectionTable);
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assert(Offset % sizeof(coff_section) == 0 &&
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"Section did not point to the beginning of a section");
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# endif
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return Addr;
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}
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void COFFObjectFile::moveSymbolNext(DataRefImpl &Ref) const {
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const coff_symbol *Symb = toSymb(Ref);
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Symb += 1 + Symb->NumberOfAuxSymbols;
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Ref.p = reinterpret_cast<uintptr_t>(Symb);
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}
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std::error_code COFFObjectFile::getSymbolName(DataRefImpl Ref,
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StringRef &Result) const {
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const coff_symbol *Symb = toSymb(Ref);
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return getSymbolName(Symb, Result);
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}
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std::error_code COFFObjectFile::getSymbolAddress(DataRefImpl Ref,
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uint64_t &Result) const {
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const coff_symbol *Symb = toSymb(Ref);
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const coff_section *Section = nullptr;
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if (std::error_code EC = getSection(Symb->SectionNumber, Section))
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return EC;
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if (Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
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Result = UnknownAddressOrSize;
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else if (Section)
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Result = Section->VirtualAddress + Symb->Value;
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else
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Result = Symb->Value;
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return object_error::success;
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}
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std::error_code COFFObjectFile::getSymbolType(DataRefImpl Ref,
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SymbolRef::Type &Result) const {
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const coff_symbol *Symb = toSymb(Ref);
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Result = SymbolRef::ST_Other;
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if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
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Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
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Result = SymbolRef::ST_Unknown;
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} else if (Symb->isFunctionDefinition()) {
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Result = SymbolRef::ST_Function;
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} else {
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uint32_t Characteristics = 0;
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if (!COFF::isReservedSectionNumber(Symb->SectionNumber)) {
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const coff_section *Section = nullptr;
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if (std::error_code EC = getSection(Symb->SectionNumber, Section))
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return EC;
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Characteristics = Section->Characteristics;
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}
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if (Characteristics & COFF::IMAGE_SCN_MEM_READ &&
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~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
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Result = SymbolRef::ST_Data;
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}
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return object_error::success;
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}
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uint32_t COFFObjectFile::getSymbolFlags(DataRefImpl Ref) const {
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const coff_symbol *Symb = toSymb(Ref);
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uint32_t Result = SymbolRef::SF_None;
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// TODO: Correctly set SF_FormatSpecific, SF_Common
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if (Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
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if (Symb->Value == 0)
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Result |= SymbolRef::SF_Undefined;
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else
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Result |= SymbolRef::SF_Common;
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}
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// TODO: This are certainly too restrictive.
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if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
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Result |= SymbolRef::SF_Global;
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if (Symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL)
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Result |= SymbolRef::SF_Weak;
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if (Symb->SectionNumber == COFF::IMAGE_SYM_ABSOLUTE)
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Result |= SymbolRef::SF_Absolute;
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return Result;
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}
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std::error_code COFFObjectFile::getSymbolSize(DataRefImpl Ref,
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uint64_t &Result) const {
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// FIXME: Return the correct size. This requires looking at all the symbols
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// in the same section as this symbol, and looking for either the next
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// symbol, or the end of the section.
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const coff_symbol *Symb = toSymb(Ref);
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const coff_section *Section = nullptr;
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if (std::error_code EC = getSection(Symb->SectionNumber, Section))
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return EC;
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if (Symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
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Result = UnknownAddressOrSize;
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else if (Section)
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Result = Section->SizeOfRawData - Symb->Value;
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else
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Result = 0;
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return object_error::success;
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}
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std::error_code
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COFFObjectFile::getSymbolSection(DataRefImpl Ref,
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section_iterator &Result) const {
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const coff_symbol *Symb = toSymb(Ref);
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if (COFF::isReservedSectionNumber(Symb->SectionNumber)) {
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Result = section_end();
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} else {
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const coff_section *Sec = nullptr;
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if (std::error_code EC = getSection(Symb->SectionNumber, Sec))
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return EC;
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DataRefImpl Ref;
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Ref.p = reinterpret_cast<uintptr_t>(Sec);
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Result = section_iterator(SectionRef(Ref, this));
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}
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return object_error::success;
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}
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void COFFObjectFile::moveSectionNext(DataRefImpl &Ref) const {
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const coff_section *Sec = toSec(Ref);
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Sec += 1;
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Ref.p = reinterpret_cast<uintptr_t>(Sec);
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}
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std::error_code COFFObjectFile::getSectionName(DataRefImpl Ref,
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StringRef &Result) const {
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const coff_section *Sec = toSec(Ref);
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return getSectionName(Sec, Result);
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}
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std::error_code COFFObjectFile::getSectionAddress(DataRefImpl Ref,
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uint64_t &Result) const {
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const coff_section *Sec = toSec(Ref);
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Result = Sec->VirtualAddress;
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return object_error::success;
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}
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std::error_code COFFObjectFile::getSectionSize(DataRefImpl Ref,
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uint64_t &Result) const {
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const coff_section *Sec = toSec(Ref);
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Result = Sec->SizeOfRawData;
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return object_error::success;
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}
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std::error_code COFFObjectFile::getSectionContents(DataRefImpl Ref,
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StringRef &Result) const {
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const coff_section *Sec = toSec(Ref);
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ArrayRef<uint8_t> Res;
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std::error_code EC = getSectionContents(Sec, Res);
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Result = StringRef(reinterpret_cast<const char*>(Res.data()), Res.size());
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return EC;
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}
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std::error_code COFFObjectFile::getSectionAlignment(DataRefImpl Ref,
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uint64_t &Res) const {
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const coff_section *Sec = toSec(Ref);
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if (!Sec)
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return object_error::parse_failed;
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Res = uint64_t(1) << (((Sec->Characteristics & 0x00F00000) >> 20) - 1);
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return object_error::success;
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}
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std::error_code COFFObjectFile::isSectionText(DataRefImpl Ref,
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bool &Result) const {
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const coff_section *Sec = toSec(Ref);
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Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_CODE;
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return object_error::success;
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}
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std::error_code COFFObjectFile::isSectionData(DataRefImpl Ref,
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bool &Result) const {
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const coff_section *Sec = toSec(Ref);
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Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA;
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return object_error::success;
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}
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std::error_code COFFObjectFile::isSectionBSS(DataRefImpl Ref,
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bool &Result) const {
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const coff_section *Sec = toSec(Ref);
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Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
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return object_error::success;
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}
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std::error_code
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COFFObjectFile::isSectionRequiredForExecution(DataRefImpl Ref,
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bool &Result) const {
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// FIXME: Unimplemented
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Result = true;
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return object_error::success;
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}
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std::error_code COFFObjectFile::isSectionVirtual(DataRefImpl Ref,
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bool &Result) const {
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const coff_section *Sec = toSec(Ref);
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Result = Sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
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return object_error::success;
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}
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std::error_code COFFObjectFile::isSectionZeroInit(DataRefImpl Ref,
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bool &Result) const {
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// FIXME: Unimplemented.
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Result = false;
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return object_error::success;
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}
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std::error_code COFFObjectFile::isSectionReadOnlyData(DataRefImpl Ref,
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bool &Result) const {
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// FIXME: Unimplemented.
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Result = false;
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return object_error::success;
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}
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std::error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl SecRef,
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DataRefImpl SymbRef,
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bool &Result) const {
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const coff_section *Sec = toSec(SecRef);
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const coff_symbol *Symb = toSymb(SymbRef);
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const coff_section *SymbSec = nullptr;
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if (std::error_code EC = getSection(Symb->SectionNumber, SymbSec))
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return EC;
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if (SymbSec == Sec)
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Result = true;
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else
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Result = false;
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return object_error::success;
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}
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relocation_iterator COFFObjectFile::section_rel_begin(DataRefImpl Ref) const {
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const coff_section *Sec = toSec(Ref);
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DataRefImpl Ret;
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if (Sec->NumberOfRelocations == 0) {
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Ret.p = 0;
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} else {
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auto begin = reinterpret_cast<const coff_relocation*>(
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base() + Sec->PointerToRelocations);
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if (Sec->hasExtendedRelocations()) {
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// Skip the first relocation entry repurposed to store the number of
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// relocations.
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begin++;
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}
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Ret.p = reinterpret_cast<uintptr_t>(begin);
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}
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return relocation_iterator(RelocationRef(Ret, this));
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}
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static uint32_t getNumberOfRelocations(const coff_section *Sec,
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const uint8_t *base) {
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// The field for the number of relocations in COFF section table is only
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// 16-bit wide. If a section has more than 65535 relocations, 0xFFFF is set to
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// NumberOfRelocations field, and the actual relocation count is stored in the
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// VirtualAddress field in the first relocation entry.
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if (Sec->hasExtendedRelocations()) {
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auto *FirstReloc = reinterpret_cast<const coff_relocation*>(
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base + Sec->PointerToRelocations);
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return FirstReloc->VirtualAddress;
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}
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return Sec->NumberOfRelocations;
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}
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relocation_iterator COFFObjectFile::section_rel_end(DataRefImpl Ref) const {
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const coff_section *Sec = toSec(Ref);
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DataRefImpl Ret;
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if (Sec->NumberOfRelocations == 0) {
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Ret.p = 0;
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} else {
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auto begin = reinterpret_cast<const coff_relocation*>(
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base() + Sec->PointerToRelocations);
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uint32_t NumReloc = getNumberOfRelocations(Sec, base());
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Ret.p = reinterpret_cast<uintptr_t>(begin + NumReloc);
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}
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return relocation_iterator(RelocationRef(Ret, this));
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}
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// Initialize the pointer to the symbol table.
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std::error_code COFFObjectFile::initSymbolTablePtr() {
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if (std::error_code EC = getObject(
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SymbolTable, *Data, base() + COFFHeader->PointerToSymbolTable,
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COFFHeader->NumberOfSymbols * sizeof(coff_symbol)))
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return EC;
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// Find string table. The first four byte of the string table contains the
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// total size of the string table, including the size field itself. If the
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// string table is empty, the value of the first four byte would be 4.
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const uint8_t *StringTableAddr =
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base() + COFFHeader->PointerToSymbolTable +
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COFFHeader->NumberOfSymbols * sizeof(coff_symbol);
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const ulittle32_t *StringTableSizePtr;
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if (std::error_code EC =
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getObject(StringTableSizePtr, *Data, StringTableAddr))
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return EC;
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StringTableSize = *StringTableSizePtr;
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if (std::error_code EC =
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getObject(StringTable, *Data, StringTableAddr, StringTableSize))
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return EC;
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// Treat table sizes < 4 as empty because contrary to the PECOFF spec, some
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// tools like cvtres write a size of 0 for an empty table instead of 4.
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if (StringTableSize < 4)
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StringTableSize = 4;
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// Check that the string table is null terminated if has any in it.
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if (StringTableSize > 4 && StringTable[StringTableSize - 1] != 0)
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return object_error::parse_failed;
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return object_error::success;
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}
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// Returns the file offset for the given VA.
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std::error_code COFFObjectFile::getVaPtr(uint64_t Addr, uintptr_t &Res) const {
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uint64_t ImageBase = PE32Header ? (uint64_t)PE32Header->ImageBase
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: (uint64_t)PE32PlusHeader->ImageBase;
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uint64_t Rva = Addr - ImageBase;
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assert(Rva <= UINT32_MAX);
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return getRvaPtr((uint32_t)Rva, Res);
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}
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// Returns the file offset for the given RVA.
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std::error_code COFFObjectFile::getRvaPtr(uint32_t Addr, uintptr_t &Res) const {
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for (const SectionRef &S : sections()) {
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const coff_section *Section = getCOFFSection(S);
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uint32_t SectionStart = Section->VirtualAddress;
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uint32_t SectionEnd = Section->VirtualAddress + Section->VirtualSize;
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if (SectionStart <= Addr && Addr < SectionEnd) {
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uint32_t Offset = Addr - SectionStart;
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Res = uintptr_t(base()) + Section->PointerToRawData + Offset;
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return object_error::success;
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}
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}
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return object_error::parse_failed;
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}
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// Returns hint and name fields, assuming \p Rva is pointing to a Hint/Name
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// table entry.
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std::error_code COFFObjectFile::getHintName(uint32_t Rva, uint16_t &Hint,
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StringRef &Name) const {
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uintptr_t IntPtr = 0;
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if (std::error_code EC = getRvaPtr(Rva, IntPtr))
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return EC;
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const uint8_t *Ptr = reinterpret_cast<const uint8_t *>(IntPtr);
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Hint = *reinterpret_cast<const ulittle16_t *>(Ptr);
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Name = StringRef(reinterpret_cast<const char *>(Ptr + 2));
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return object_error::success;
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}
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// Find the import table.
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std::error_code COFFObjectFile::initImportTablePtr() {
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// First, we get the RVA of the import table. If the file lacks a pointer to
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// the import table, do nothing.
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const data_directory *DataEntry;
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if (getDataDirectory(COFF::IMPORT_TABLE, DataEntry))
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return object_error::success;
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// Do nothing if the pointer to import table is NULL.
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if (DataEntry->RelativeVirtualAddress == 0)
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return object_error::success;
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uint32_t ImportTableRva = DataEntry->RelativeVirtualAddress;
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NumberOfImportDirectory = DataEntry->Size /
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sizeof(import_directory_table_entry);
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// Find the section that contains the RVA. This is needed because the RVA is
|
|
// the import table's memory address which is different from its file offset.
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC = getRvaPtr(ImportTableRva, IntPtr))
|
|
return EC;
|
|
ImportDirectory = reinterpret_cast<
|
|
const import_directory_table_entry *>(IntPtr);
|
|
return object_error::success;
|
|
}
|
|
|
|
// Find the export table.
|
|
std::error_code COFFObjectFile::initExportTablePtr() {
|
|
// First, we get the RVA of the export table. If the file lacks a pointer to
|
|
// the export table, do nothing.
|
|
const data_directory *DataEntry;
|
|
if (getDataDirectory(COFF::EXPORT_TABLE, DataEntry))
|
|
return object_error::success;
|
|
|
|
// Do nothing if the pointer to export table is NULL.
|
|
if (DataEntry->RelativeVirtualAddress == 0)
|
|
return object_error::success;
|
|
|
|
uint32_t ExportTableRva = DataEntry->RelativeVirtualAddress;
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC = getRvaPtr(ExportTableRva, IntPtr))
|
|
return EC;
|
|
ExportDirectory =
|
|
reinterpret_cast<const export_directory_table_entry *>(IntPtr);
|
|
return object_error::success;
|
|
}
|
|
|
|
COFFObjectFile::COFFObjectFile(std::unique_ptr<MemoryBuffer> Object,
|
|
std::error_code &EC)
|
|
: ObjectFile(Binary::ID_COFF, std::move(Object)), COFFHeader(nullptr),
|
|
PE32Header(nullptr), PE32PlusHeader(nullptr), DataDirectory(nullptr),
|
|
SectionTable(nullptr), SymbolTable(nullptr), StringTable(nullptr),
|
|
StringTableSize(0), ImportDirectory(nullptr), NumberOfImportDirectory(0),
|
|
ExportDirectory(nullptr) {
|
|
// Check that we at least have enough room for a header.
|
|
if (!checkSize(*Data, EC, sizeof(coff_file_header)))
|
|
return;
|
|
|
|
// The current location in the file where we are looking at.
|
|
uint64_t CurPtr = 0;
|
|
|
|
// PE header is optional and is present only in executables. If it exists,
|
|
// it is placed right after COFF header.
|
|
bool HasPEHeader = false;
|
|
|
|
// Check if this is a PE/COFF file.
|
|
if (base()[0] == 0x4d && base()[1] == 0x5a) {
|
|
// PE/COFF, seek through MS-DOS compatibility stub and 4-byte
|
|
// PE signature to find 'normal' COFF header.
|
|
if (!checkSize(*Data, EC, 0x3c + 8))
|
|
return;
|
|
CurPtr = *reinterpret_cast<const ulittle16_t *>(base() + 0x3c);
|
|
// Check the PE magic bytes. ("PE\0\0")
|
|
if (std::memcmp(base() + CurPtr, "PE\0\0", 4) != 0) {
|
|
EC = object_error::parse_failed;
|
|
return;
|
|
}
|
|
CurPtr += 4; // Skip the PE magic bytes.
|
|
HasPEHeader = true;
|
|
}
|
|
|
|
if ((EC = getObject(COFFHeader, *Data, base() + CurPtr)))
|
|
return;
|
|
CurPtr += sizeof(coff_file_header);
|
|
|
|
if (HasPEHeader) {
|
|
const pe32_header *Header;
|
|
if ((EC = getObject(Header, *Data, base() + CurPtr)))
|
|
return;
|
|
|
|
const uint8_t *DataDirAddr;
|
|
uint64_t DataDirSize;
|
|
if (Header->Magic == 0x10b) {
|
|
PE32Header = Header;
|
|
DataDirAddr = base() + CurPtr + sizeof(pe32_header);
|
|
DataDirSize = sizeof(data_directory) * PE32Header->NumberOfRvaAndSize;
|
|
} else if (Header->Magic == 0x20b) {
|
|
PE32PlusHeader = reinterpret_cast<const pe32plus_header *>(Header);
|
|
DataDirAddr = base() + CurPtr + sizeof(pe32plus_header);
|
|
DataDirSize = sizeof(data_directory) * PE32PlusHeader->NumberOfRvaAndSize;
|
|
} else {
|
|
// It's neither PE32 nor PE32+.
|
|
EC = object_error::parse_failed;
|
|
return;
|
|
}
|
|
if ((EC = getObject(DataDirectory, *Data, DataDirAddr, DataDirSize)))
|
|
return;
|
|
CurPtr += COFFHeader->SizeOfOptionalHeader;
|
|
}
|
|
|
|
if (COFFHeader->isImportLibrary())
|
|
return;
|
|
|
|
if ((EC = getObject(SectionTable, *Data, base() + CurPtr,
|
|
COFFHeader->NumberOfSections * sizeof(coff_section))))
|
|
return;
|
|
|
|
// Initialize the pointer to the symbol table.
|
|
if (COFFHeader->PointerToSymbolTable != 0)
|
|
if ((EC = initSymbolTablePtr()))
|
|
return;
|
|
|
|
// Initialize the pointer to the beginning of the import table.
|
|
if ((EC = initImportTablePtr()))
|
|
return;
|
|
|
|
// Initialize the pointer to the export table.
|
|
if ((EC = initExportTablePtr()))
|
|
return;
|
|
|
|
EC = object_error::success;
|
|
}
|
|
|
|
basic_symbol_iterator COFFObjectFile::symbol_begin_impl() const {
|
|
DataRefImpl Ret;
|
|
Ret.p = reinterpret_cast<uintptr_t>(SymbolTable);
|
|
return basic_symbol_iterator(SymbolRef(Ret, this));
|
|
}
|
|
|
|
basic_symbol_iterator COFFObjectFile::symbol_end_impl() const {
|
|
// The symbol table ends where the string table begins.
|
|
DataRefImpl Ret;
|
|
Ret.p = reinterpret_cast<uintptr_t>(StringTable);
|
|
return basic_symbol_iterator(SymbolRef(Ret, this));
|
|
}
|
|
|
|
library_iterator COFFObjectFile::needed_library_begin() const {
|
|
// TODO: implement
|
|
report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
|
|
}
|
|
|
|
library_iterator COFFObjectFile::needed_library_end() const {
|
|
// TODO: implement
|
|
report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
|
|
}
|
|
|
|
StringRef COFFObjectFile::getLoadName() const {
|
|
// COFF does not have this field.
|
|
return "";
|
|
}
|
|
|
|
import_directory_iterator COFFObjectFile::import_directory_begin() const {
|
|
return import_directory_iterator(
|
|
ImportDirectoryEntryRef(ImportDirectory, 0, this));
|
|
}
|
|
|
|
import_directory_iterator COFFObjectFile::import_directory_end() const {
|
|
return import_directory_iterator(
|
|
ImportDirectoryEntryRef(ImportDirectory, NumberOfImportDirectory, this));
|
|
}
|
|
|
|
export_directory_iterator COFFObjectFile::export_directory_begin() const {
|
|
return export_directory_iterator(
|
|
ExportDirectoryEntryRef(ExportDirectory, 0, this));
|
|
}
|
|
|
|
export_directory_iterator COFFObjectFile::export_directory_end() const {
|
|
if (!ExportDirectory)
|
|
return export_directory_iterator(ExportDirectoryEntryRef(nullptr, 0, this));
|
|
ExportDirectoryEntryRef Ref(ExportDirectory,
|
|
ExportDirectory->AddressTableEntries, this);
|
|
return export_directory_iterator(Ref);
|
|
}
|
|
|
|
section_iterator COFFObjectFile::section_begin() const {
|
|
DataRefImpl Ret;
|
|
Ret.p = reinterpret_cast<uintptr_t>(SectionTable);
|
|
return section_iterator(SectionRef(Ret, this));
|
|
}
|
|
|
|
section_iterator COFFObjectFile::section_end() const {
|
|
DataRefImpl Ret;
|
|
int NumSections = COFFHeader->isImportLibrary()
|
|
? 0 : COFFHeader->NumberOfSections;
|
|
Ret.p = reinterpret_cast<uintptr_t>(SectionTable + NumSections);
|
|
return section_iterator(SectionRef(Ret, this));
|
|
}
|
|
|
|
uint8_t COFFObjectFile::getBytesInAddress() const {
|
|
return getArch() == Triple::x86_64 ? 8 : 4;
|
|
}
|
|
|
|
StringRef COFFObjectFile::getFileFormatName() const {
|
|
switch(COFFHeader->Machine) {
|
|
case COFF::IMAGE_FILE_MACHINE_I386:
|
|
return "COFF-i386";
|
|
case COFF::IMAGE_FILE_MACHINE_AMD64:
|
|
return "COFF-x86-64";
|
|
case COFF::IMAGE_FILE_MACHINE_ARMNT:
|
|
return "COFF-ARM";
|
|
default:
|
|
return "COFF-<unknown arch>";
|
|
}
|
|
}
|
|
|
|
unsigned COFFObjectFile::getArch() const {
|
|
switch(COFFHeader->Machine) {
|
|
case COFF::IMAGE_FILE_MACHINE_I386:
|
|
return Triple::x86;
|
|
case COFF::IMAGE_FILE_MACHINE_AMD64:
|
|
return Triple::x86_64;
|
|
case COFF::IMAGE_FILE_MACHINE_ARMNT:
|
|
return Triple::thumb;
|
|
default:
|
|
return Triple::UnknownArch;
|
|
}
|
|
}
|
|
|
|
// This method is kept here because lld uses this. As soon as we make
|
|
// lld to use getCOFFHeader, this method will be removed.
|
|
std::error_code COFFObjectFile::getHeader(const coff_file_header *&Res) const {
|
|
return getCOFFHeader(Res);
|
|
}
|
|
|
|
std::error_code
|
|
COFFObjectFile::getCOFFHeader(const coff_file_header *&Res) const {
|
|
Res = COFFHeader;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getPE32Header(const pe32_header *&Res) const {
|
|
Res = PE32Header;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code
|
|
COFFObjectFile::getPE32PlusHeader(const pe32plus_header *&Res) const {
|
|
Res = PE32PlusHeader;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code
|
|
COFFObjectFile::getDataDirectory(uint32_t Index,
|
|
const data_directory *&Res) const {
|
|
// Error if if there's no data directory or the index is out of range.
|
|
if (!DataDirectory)
|
|
return object_error::parse_failed;
|
|
assert(PE32Header || PE32PlusHeader);
|
|
uint32_t NumEnt = PE32Header ? PE32Header->NumberOfRvaAndSize
|
|
: PE32PlusHeader->NumberOfRvaAndSize;
|
|
if (Index > NumEnt)
|
|
return object_error::parse_failed;
|
|
Res = &DataDirectory[Index];
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getSection(int32_t Index,
|
|
const coff_section *&Result) const {
|
|
// Check for special index values.
|
|
if (COFF::isReservedSectionNumber(Index))
|
|
Result = nullptr;
|
|
else if (Index > 0 && Index <= COFFHeader->NumberOfSections)
|
|
// We already verified the section table data, so no need to check again.
|
|
Result = SectionTable + (Index - 1);
|
|
else
|
|
return object_error::parse_failed;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getString(uint32_t Offset,
|
|
StringRef &Result) const {
|
|
if (StringTableSize <= 4)
|
|
// Tried to get a string from an empty string table.
|
|
return object_error::parse_failed;
|
|
if (Offset >= StringTableSize)
|
|
return object_error::unexpected_eof;
|
|
Result = StringRef(StringTable + Offset);
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getSymbol(uint32_t Index,
|
|
const coff_symbol *&Result) const {
|
|
if (Index < COFFHeader->NumberOfSymbols)
|
|
Result = SymbolTable + Index;
|
|
else
|
|
return object_error::parse_failed;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getSymbolName(const coff_symbol *Symbol,
|
|
StringRef &Res) const {
|
|
// Check for string table entry. First 4 bytes are 0.
|
|
if (Symbol->Name.Offset.Zeroes == 0) {
|
|
uint32_t Offset = Symbol->Name.Offset.Offset;
|
|
if (std::error_code EC = getString(Offset, Res))
|
|
return EC;
|
|
return object_error::success;
|
|
}
|
|
|
|
if (Symbol->Name.ShortName[7] == 0)
|
|
// Null terminated, let ::strlen figure out the length.
|
|
Res = StringRef(Symbol->Name.ShortName);
|
|
else
|
|
// Not null terminated, use all 8 bytes.
|
|
Res = StringRef(Symbol->Name.ShortName, 8);
|
|
return object_error::success;
|
|
}
|
|
|
|
ArrayRef<uint8_t> COFFObjectFile::getSymbolAuxData(
|
|
const coff_symbol *Symbol) const {
|
|
const uint8_t *Aux = nullptr;
|
|
|
|
if (Symbol->NumberOfAuxSymbols > 0) {
|
|
// AUX data comes immediately after the symbol in COFF
|
|
Aux = reinterpret_cast<const uint8_t *>(Symbol + 1);
|
|
# ifndef NDEBUG
|
|
// Verify that the Aux symbol points to a valid entry in the symbol table.
|
|
uintptr_t Offset = uintptr_t(Aux) - uintptr_t(base());
|
|
if (Offset < COFFHeader->PointerToSymbolTable
|
|
|| Offset >= COFFHeader->PointerToSymbolTable
|
|
+ (COFFHeader->NumberOfSymbols * sizeof(coff_symbol)))
|
|
report_fatal_error("Aux Symbol data was outside of symbol table.");
|
|
|
|
assert((Offset - COFFHeader->PointerToSymbolTable) % sizeof(coff_symbol)
|
|
== 0 && "Aux Symbol data did not point to the beginning of a symbol");
|
|
# endif
|
|
}
|
|
return ArrayRef<uint8_t>(Aux,
|
|
Symbol->NumberOfAuxSymbols * sizeof(coff_symbol));
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getSectionName(const coff_section *Sec,
|
|
StringRef &Res) const {
|
|
StringRef Name;
|
|
if (Sec->Name[7] == 0)
|
|
// Null terminated, let ::strlen figure out the length.
|
|
Name = Sec->Name;
|
|
else
|
|
// Not null terminated, use all 8 bytes.
|
|
Name = StringRef(Sec->Name, 8);
|
|
|
|
// Check for string table entry. First byte is '/'.
|
|
if (Name[0] == '/') {
|
|
uint32_t Offset;
|
|
if (Name[1] == '/') {
|
|
if (decodeBase64StringEntry(Name.substr(2), Offset))
|
|
return object_error::parse_failed;
|
|
} else {
|
|
if (Name.substr(1).getAsInteger(10, Offset))
|
|
return object_error::parse_failed;
|
|
}
|
|
if (std::error_code EC = getString(Offset, Name))
|
|
return EC;
|
|
}
|
|
|
|
Res = Name;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code
|
|
COFFObjectFile::getSectionContents(const coff_section *Sec,
|
|
ArrayRef<uint8_t> &Res) const {
|
|
// The only thing that we need to verify is that the contents is contained
|
|
// within the file bounds. We don't need to make sure it doesn't cover other
|
|
// data, as there's nothing that says that is not allowed.
|
|
uintptr_t ConStart = uintptr_t(base()) + Sec->PointerToRawData;
|
|
uintptr_t ConEnd = ConStart + Sec->SizeOfRawData;
|
|
if (ConEnd > uintptr_t(Data->getBufferEnd()))
|
|
return object_error::parse_failed;
|
|
Res = ArrayRef<uint8_t>(reinterpret_cast<const unsigned char*>(ConStart),
|
|
Sec->SizeOfRawData);
|
|
return object_error::success;
|
|
}
|
|
|
|
const coff_relocation *COFFObjectFile::toRel(DataRefImpl Rel) const {
|
|
return reinterpret_cast<const coff_relocation*>(Rel.p);
|
|
}
|
|
|
|
void COFFObjectFile::moveRelocationNext(DataRefImpl &Rel) const {
|
|
Rel.p = reinterpret_cast<uintptr_t>(
|
|
reinterpret_cast<const coff_relocation*>(Rel.p) + 1);
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getRelocationAddress(DataRefImpl Rel,
|
|
uint64_t &Res) const {
|
|
report_fatal_error("getRelocationAddress not implemented in COFFObjectFile");
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getRelocationOffset(DataRefImpl Rel,
|
|
uint64_t &Res) const {
|
|
Res = toRel(Rel)->VirtualAddress;
|
|
return object_error::success;
|
|
}
|
|
|
|
symbol_iterator COFFObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
|
|
const coff_relocation* R = toRel(Rel);
|
|
DataRefImpl Ref;
|
|
Ref.p = reinterpret_cast<uintptr_t>(SymbolTable + R->SymbolTableIndex);
|
|
return symbol_iterator(SymbolRef(Ref, this));
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getRelocationType(DataRefImpl Rel,
|
|
uint64_t &Res) const {
|
|
const coff_relocation* R = toRel(Rel);
|
|
Res = R->Type;
|
|
return object_error::success;
|
|
}
|
|
|
|
const coff_section *
|
|
COFFObjectFile::getCOFFSection(const SectionRef &Section) const {
|
|
return toSec(Section.getRawDataRefImpl());
|
|
}
|
|
|
|
const coff_symbol *
|
|
COFFObjectFile::getCOFFSymbol(const SymbolRef &Symbol) const {
|
|
return toSymb(Symbol.getRawDataRefImpl());
|
|
}
|
|
|
|
const coff_relocation *
|
|
COFFObjectFile::getCOFFRelocation(const RelocationRef &Reloc) const {
|
|
return toRel(Reloc.getRawDataRefImpl());
|
|
}
|
|
|
|
#define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(reloc_type) \
|
|
case COFF::reloc_type: \
|
|
Res = #reloc_type; \
|
|
break;
|
|
|
|
std::error_code
|
|
COFFObjectFile::getRelocationTypeName(DataRefImpl Rel,
|
|
SmallVectorImpl<char> &Result) const {
|
|
const coff_relocation *Reloc = toRel(Rel);
|
|
StringRef Res;
|
|
switch (COFFHeader->Machine) {
|
|
case COFF::IMAGE_FILE_MACHINE_AMD64:
|
|
switch (Reloc->Type) {
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ABSOLUTE);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR64);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32NB);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_1);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_2);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_3);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_4);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_5);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECTION);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL7);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_TOKEN);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SREL32);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_PAIR);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SSPAN32);
|
|
default:
|
|
Res = "Unknown";
|
|
}
|
|
break;
|
|
case COFF::IMAGE_FILE_MACHINE_ARMNT:
|
|
switch (Reloc->Type) {
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_ABSOLUTE);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_ADDR32);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_ADDR32NB);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH24);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH11);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_TOKEN);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BLX24);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BLX11);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_SECTION);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_SECREL);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_MOV32A);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_MOV32T);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH20T);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BRANCH24T);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_ARM_BLX23T);
|
|
default:
|
|
Res = "Unknown";
|
|
}
|
|
break;
|
|
case COFF::IMAGE_FILE_MACHINE_I386:
|
|
switch (Reloc->Type) {
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_ABSOLUTE);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR16);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL16);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32NB);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SEG12);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECTION);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_TOKEN);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL7);
|
|
LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL32);
|
|
default:
|
|
Res = "Unknown";
|
|
}
|
|
break;
|
|
default:
|
|
Res = "Unknown";
|
|
}
|
|
Result.append(Res.begin(), Res.end());
|
|
return object_error::success;
|
|
}
|
|
|
|
#undef LLVM_COFF_SWITCH_RELOC_TYPE_NAME
|
|
|
|
std::error_code
|
|
COFFObjectFile::getRelocationValueString(DataRefImpl Rel,
|
|
SmallVectorImpl<char> &Result) const {
|
|
const coff_relocation *Reloc = toRel(Rel);
|
|
const coff_symbol *Symb = nullptr;
|
|
if (std::error_code EC = getSymbol(Reloc->SymbolTableIndex, Symb))
|
|
return EC;
|
|
DataRefImpl Sym;
|
|
Sym.p = reinterpret_cast<uintptr_t>(Symb);
|
|
StringRef SymName;
|
|
if (std::error_code EC = getSymbolName(Sym, SymName))
|
|
return EC;
|
|
Result.append(SymName.begin(), SymName.end());
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getLibraryNext(DataRefImpl LibData,
|
|
LibraryRef &Result) const {
|
|
report_fatal_error("getLibraryNext not implemented in COFFObjectFile");
|
|
}
|
|
|
|
std::error_code COFFObjectFile::getLibraryPath(DataRefImpl LibData,
|
|
StringRef &Result) const {
|
|
report_fatal_error("getLibraryPath not implemented in COFFObjectFile");
|
|
}
|
|
|
|
bool ImportDirectoryEntryRef::
|
|
operator==(const ImportDirectoryEntryRef &Other) const {
|
|
return ImportTable == Other.ImportTable && Index == Other.Index;
|
|
}
|
|
|
|
void ImportDirectoryEntryRef::moveNext() {
|
|
++Index;
|
|
}
|
|
|
|
std::error_code ImportDirectoryEntryRef::getImportTableEntry(
|
|
const import_directory_table_entry *&Result) const {
|
|
Result = ImportTable;
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code ImportDirectoryEntryRef::getName(StringRef &Result) const {
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC =
|
|
OwningObject->getRvaPtr(ImportTable->NameRVA, IntPtr))
|
|
return EC;
|
|
Result = StringRef(reinterpret_cast<const char *>(IntPtr));
|
|
return object_error::success;
|
|
}
|
|
|
|
std::error_code ImportDirectoryEntryRef::getImportLookupEntry(
|
|
const import_lookup_table_entry32 *&Result) const {
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC =
|
|
OwningObject->getRvaPtr(ImportTable->ImportLookupTableRVA, IntPtr))
|
|
return EC;
|
|
Result = reinterpret_cast<const import_lookup_table_entry32 *>(IntPtr);
|
|
return object_error::success;
|
|
}
|
|
|
|
bool ExportDirectoryEntryRef::
|
|
operator==(const ExportDirectoryEntryRef &Other) const {
|
|
return ExportTable == Other.ExportTable && Index == Other.Index;
|
|
}
|
|
|
|
void ExportDirectoryEntryRef::moveNext() {
|
|
++Index;
|
|
}
|
|
|
|
// Returns the name of the current export symbol. If the symbol is exported only
|
|
// by ordinal, the empty string is set as a result.
|
|
std::error_code ExportDirectoryEntryRef::getDllName(StringRef &Result) const {
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC =
|
|
OwningObject->getRvaPtr(ExportTable->NameRVA, IntPtr))
|
|
return EC;
|
|
Result = StringRef(reinterpret_cast<const char *>(IntPtr));
|
|
return object_error::success;
|
|
}
|
|
|
|
// Returns the starting ordinal number.
|
|
std::error_code
|
|
ExportDirectoryEntryRef::getOrdinalBase(uint32_t &Result) const {
|
|
Result = ExportTable->OrdinalBase;
|
|
return object_error::success;
|
|
}
|
|
|
|
// Returns the export ordinal of the current export symbol.
|
|
std::error_code ExportDirectoryEntryRef::getOrdinal(uint32_t &Result) const {
|
|
Result = ExportTable->OrdinalBase + Index;
|
|
return object_error::success;
|
|
}
|
|
|
|
// Returns the address of the current export symbol.
|
|
std::error_code ExportDirectoryEntryRef::getExportRVA(uint32_t &Result) const {
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC =
|
|
OwningObject->getRvaPtr(ExportTable->ExportAddressTableRVA, IntPtr))
|
|
return EC;
|
|
const export_address_table_entry *entry =
|
|
reinterpret_cast<const export_address_table_entry *>(IntPtr);
|
|
Result = entry[Index].ExportRVA;
|
|
return object_error::success;
|
|
}
|
|
|
|
// Returns the name of the current export symbol. If the symbol is exported only
|
|
// by ordinal, the empty string is set as a result.
|
|
std::error_code
|
|
ExportDirectoryEntryRef::getSymbolName(StringRef &Result) const {
|
|
uintptr_t IntPtr = 0;
|
|
if (std::error_code EC =
|
|
OwningObject->getRvaPtr(ExportTable->OrdinalTableRVA, IntPtr))
|
|
return EC;
|
|
const ulittle16_t *Start = reinterpret_cast<const ulittle16_t *>(IntPtr);
|
|
|
|
uint32_t NumEntries = ExportTable->NumberOfNamePointers;
|
|
int Offset = 0;
|
|
for (const ulittle16_t *I = Start, *E = Start + NumEntries;
|
|
I < E; ++I, ++Offset) {
|
|
if (*I != Index)
|
|
continue;
|
|
if (std::error_code EC =
|
|
OwningObject->getRvaPtr(ExportTable->NamePointerRVA, IntPtr))
|
|
return EC;
|
|
const ulittle32_t *NamePtr = reinterpret_cast<const ulittle32_t *>(IntPtr);
|
|
if (std::error_code EC = OwningObject->getRvaPtr(NamePtr[Offset], IntPtr))
|
|
return EC;
|
|
Result = StringRef(reinterpret_cast<const char *>(IntPtr));
|
|
return object_error::success;
|
|
}
|
|
Result = "";
|
|
return object_error::success;
|
|
}
|
|
|
|
ErrorOr<ObjectFile *>
|
|
ObjectFile::createCOFFObjectFile(std::unique_ptr<MemoryBuffer> Object) {
|
|
std::error_code EC;
|
|
std::unique_ptr<COFFObjectFile> Ret(
|
|
new COFFObjectFile(std::move(Object), EC));
|
|
if (EC)
|
|
return EC;
|
|
return Ret.release();
|
|
}
|