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authorRafael Ávila de Espíndola <respindola@mozilla.com>2011-06-27 11:52:23 -0400
committerRafael Ávila de Espíndola <respindola@mozilla.com>2011-06-27 11:52:23 -0400
commitbea28ea5376cba26713c4e49bc1d6fa2642ab419 (patch)
treeeeb3ce26e75d51ae1d71651453ea44e8be792271 /src/rustllvm/MachOObjectFile.cpp
parentfcbdac96dd261eb3433e8bee52db8860d6e3416a (diff)
downloadrust-bea28ea5376cba26713c4e49bc1d6fa2642ab419.tar.gz
rust-bea28ea5376cba26713c4e49bc1d6fa2642ab419.zip
Easy fix for using newer LLVMs: just use the MachOObjectFile.cpp they provide.
Diffstat (limited to 'src/rustllvm/MachOObjectFile.cpp')
-rw-r--r--src/rustllvm/MachOObjectFile.cpp330
1 files changed, 0 insertions, 330 deletions
diff --git a/src/rustllvm/MachOObjectFile.cpp b/src/rustllvm/MachOObjectFile.cpp
deleted file mode 100644
index 4a003249191..00000000000
--- a/src/rustllvm/MachOObjectFile.cpp
+++ /dev/null
@@ -1,330 +0,0 @@
-//===- MachOObjectFile.cpp - Mach-O object file binding ---------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the MachOObjectFile class, which binds the MachOObject
-// class to the generic ObjectFile wrapper.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/Triple.h"
-#include "llvm/Object/MachOFormat.h"
-#include "llvm/Object/MachOObject.h"
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/Support/MemoryBuffer.h"
-
-#include <cctype>
-#include <cstring>
-#include <limits>
-
-using namespace llvm;
-using namespace object;
-
-namespace llvm {
-
-typedef MachOObject::LoadCommandInfo LoadCommandInfo;
-
-class MachOObjectFile : public ObjectFile {
-public:
-  MachOObjectFile(MemoryBuffer *Object, MachOObject *MOO)
-    : ObjectFile(Object),
-      MachOObj(MOO),
-      RegisteredStringTable(std::numeric_limits<uint32_t>::max()) {}
-
-  virtual symbol_iterator begin_symbols() const;
-  virtual symbol_iterator end_symbols() const;
-  virtual section_iterator begin_sections() const;
-  virtual section_iterator end_sections() const;
-
-  virtual uint8_t getBytesInAddress() const;
-  virtual StringRef getFileFormatName() const;
-  virtual unsigned getArch() const;
-
-protected:
-  virtual SymbolRef getSymbolNext(DataRefImpl Symb) const;
-  virtual StringRef getSymbolName(DataRefImpl Symb) const;
-  virtual uint64_t  getSymbolAddress(DataRefImpl Symb) const;
-  virtual uint64_t  getSymbolSize(DataRefImpl Symb) const;
-  virtual char      getSymbolNMTypeChar(DataRefImpl Symb) const;
-  virtual bool      isSymbolInternal(DataRefImpl Symb) const;
-
-  virtual SectionRef getSectionNext(DataRefImpl Sec) const;
-  virtual StringRef  getSectionName(DataRefImpl Sec) const;
-  virtual uint64_t   getSectionAddress(DataRefImpl Sec) const;
-  virtual uint64_t   getSectionSize(DataRefImpl Sec) const;
-  virtual StringRef  getSectionContents(DataRefImpl Sec) const;
-  virtual bool       isSectionText(DataRefImpl Sec) const;
-
-private:
-  MachOObject *MachOObj;
-  mutable uint32_t RegisteredStringTable;
-
-  void moveToNextSection(DataRefImpl &DRI) const;
-  void getSymbolTableEntry(DataRefImpl DRI,
-                           InMemoryStruct<macho::SymbolTableEntry> &Res) const;
-  void moveToNextSymbol(DataRefImpl &DRI) const;
-  void getSection(DataRefImpl DRI, InMemoryStruct<macho::Section> &Res) const;
-};
-
-ObjectFile *ObjectFile::createMachOObjectFile(MemoryBuffer *Buffer) {
-  std::string Err;
-  MachOObject *MachOObj = MachOObject::LoadFromBuffer(Buffer, &Err);
-  if (!MachOObj)
-    return NULL;
-  return new MachOObjectFile(Buffer, MachOObj);
-}
-
-/*===-- Symbols -----------------------------------------------------------===*/
-
-void MachOObjectFile::moveToNextSymbol(DataRefImpl &DRI) const {
-  uint32_t LoadCommandCount = MachOObj->getHeader().NumLoadCommands;
-  while (DRI.d.a < LoadCommandCount) {
-    LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
-    if (LCI.Command.Type == macho::LCT_Symtab) {
-      InMemoryStruct<macho::SymtabLoadCommand> SymtabLoadCmd;
-      MachOObj->ReadSymtabLoadCommand(LCI, SymtabLoadCmd);
-      if (DRI.d.b < SymtabLoadCmd->NumSymbolTableEntries)
-        return;
-    }
-
-    DRI.d.a++;
-    DRI.d.b = 0;
-  }
-}
-
-void MachOObjectFile::getSymbolTableEntry(DataRefImpl DRI,
-    InMemoryStruct<macho::SymbolTableEntry> &Res) const {
-  InMemoryStruct<macho::SymtabLoadCommand> SymtabLoadCmd;
-  LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
-  MachOObj->ReadSymtabLoadCommand(LCI, SymtabLoadCmd);
-
-  if (RegisteredStringTable != DRI.d.a) {
-    MachOObj->RegisterStringTable(*SymtabLoadCmd);
-    RegisteredStringTable = DRI.d.a;
-  }
-
-  MachOObj->ReadSymbolTableEntry(SymtabLoadCmd->SymbolTableOffset, DRI.d.b,
-                                 Res);
-}
-
-
-SymbolRef MachOObjectFile::getSymbolNext(DataRefImpl DRI) const {
-  DRI.d.b++;
-  moveToNextSymbol(DRI);
-  return SymbolRef(DRI, this);
-}
-
-StringRef MachOObjectFile::getSymbolName(DataRefImpl DRI) const {
-  InMemoryStruct<macho::SymbolTableEntry> Entry;
-  getSymbolTableEntry(DRI, Entry);
-  return MachOObj->getStringAtIndex(Entry->StringIndex);
-}
-
-uint64_t MachOObjectFile::getSymbolAddress(DataRefImpl DRI) const {
-  InMemoryStruct<macho::SymbolTableEntry> Entry;
-  getSymbolTableEntry(DRI, Entry);
-  return Entry->Value;
-}
-
-uint64_t MachOObjectFile::getSymbolSize(DataRefImpl DRI) const {
-  return UnknownAddressOrSize;
-}
-
-char MachOObjectFile::getSymbolNMTypeChar(DataRefImpl DRI) const {
-  InMemoryStruct<macho::SymbolTableEntry> Entry;
-  getSymbolTableEntry(DRI, Entry);
-
-  char Char;
-  switch (Entry->Type & macho::STF_TypeMask) {
-    case macho::STT_Undefined:
-      Char = 'u';
-      break;
-    case macho::STT_Absolute:
-    case macho::STT_Section:
-      Char = 's';
-      break;
-    default:
-      Char = '?';
-      break;
-  }
-
-  if (Entry->Flags & (macho::STF_External | macho::STF_PrivateExtern))
-    Char = toupper(Char);
-  return Char;
-}
-
-bool MachOObjectFile::isSymbolInternal(DataRefImpl DRI) const {
-  InMemoryStruct<macho::SymbolTableEntry> Entry;
-  getSymbolTableEntry(DRI, Entry);
-  return Entry->Flags & macho::STF_StabsEntryMask;
-}
-
-ObjectFile::symbol_iterator MachOObjectFile::begin_symbols() const {
-  // DRI.d.a = segment number; DRI.d.b = symbol index.
-  DataRefImpl DRI;
-  DRI.d.a = DRI.d.b = 0;
-  moveToNextSymbol(DRI);
-  return symbol_iterator(SymbolRef(DRI, this));
-}
-
-ObjectFile::symbol_iterator MachOObjectFile::end_symbols() const {
-  DataRefImpl DRI;
-  DRI.d.a = MachOObj->getHeader().NumLoadCommands;
-  DRI.d.b = 0;
-  return symbol_iterator(SymbolRef(DRI, this));
-}
-
-
-/*===-- Sections ----------------------------------------------------------===*/
-
-void MachOObjectFile::moveToNextSection(DataRefImpl &DRI) const {
-  uint32_t LoadCommandCount = MachOObj->getHeader().NumLoadCommands;
-  while (DRI.d.a < LoadCommandCount) {
-    LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
-    if (LCI.Command.Type == macho::LCT_Segment) {
-      InMemoryStruct<macho::SegmentLoadCommand> SegmentLoadCmd;
-      MachOObj->ReadSegmentLoadCommand(LCI, SegmentLoadCmd);
-      if (DRI.d.b < SegmentLoadCmd->NumSections)
-        return;
-    } else if (LCI.Command.Type == macho::LCT_Segment64) {
-      InMemoryStruct<macho::Segment64LoadCommand> Segment64LoadCmd;
-      MachOObj->ReadSegment64LoadCommand(LCI, Segment64LoadCmd);
-      if (DRI.d.b < Segment64LoadCmd->NumSections)
-        return;
-    }
-
-    DRI.d.a++;
-    DRI.d.b = 0;
-  }
-}
-
-SectionRef MachOObjectFile::getSectionNext(DataRefImpl DRI) const {
-  DRI.d.b++;
-  moveToNextSection(DRI);
-  return SectionRef(DRI, this);
-}
-
-void
-MachOObjectFile::getSection(DataRefImpl DRI,
-                            InMemoryStruct<macho::Section> &Res) const {
-  InMemoryStruct<macho::SegmentLoadCommand> SLC;
-  LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
-  MachOObj->ReadSegmentLoadCommand(LCI, SLC);
-  MachOObj->ReadSection(LCI, DRI.d.b, Res);
-}
-
-StringRef MachOObjectFile::getSectionName(DataRefImpl DRI) const {
-  InMemoryStruct<macho::SegmentLoadCommand> SLC;
-  LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
-  MachOObj->ReadSegmentLoadCommand(LCI, SLC);
-  InMemoryStruct<macho::Section> Sect;
-  MachOObj->ReadSection(LCI, DRI.d.b, Sect);
-
-  static char Result[34];
-  strcpy(Result, SLC->Name);
-  strcat(Result, ",");
-  strcat(Result, Sect->Name);
-  return StringRef(Result);
-}
-
-uint64_t MachOObjectFile::getSectionAddress(DataRefImpl DRI) const {
-  InMemoryStruct<macho::Section> Sect;
-  getSection(DRI, Sect);
-  return Sect->Address;
-}
-
-uint64_t MachOObjectFile::getSectionSize(DataRefImpl DRI) const {
-  InMemoryStruct<macho::Section> Sect;
-  getSection(DRI, Sect);
-  return Sect->Size;
-}
-
-StringRef MachOObjectFile::getSectionContents(DataRefImpl DRI) const {
-  InMemoryStruct<macho::Section> Sect;
-  getSection(DRI, Sect);
-  return MachOObj->getData(Sect->Offset, Sect->Size);
-}
-
-bool MachOObjectFile::isSectionText(DataRefImpl DRI) const {
-  InMemoryStruct<macho::SegmentLoadCommand> SLC;
-  LoadCommandInfo LCI = MachOObj->getLoadCommandInfo(DRI.d.a);
-  MachOObj->ReadSegmentLoadCommand(LCI, SLC);
-  return !strcmp(SLC->Name, "__TEXT");
-}
-
-ObjectFile::section_iterator MachOObjectFile::begin_sections() const {
-  DataRefImpl DRI;
-  DRI.d.a = DRI.d.b = 0;
-  moveToNextSection(DRI);
-  return section_iterator(SectionRef(DRI, this));
-}
-
-ObjectFile::section_iterator MachOObjectFile::end_sections() const {
-  DataRefImpl DRI;
-  DRI.d.a = MachOObj->getHeader().NumLoadCommands;
-  DRI.d.b = 0;
-  return section_iterator(SectionRef(DRI, this));
-}
-
-/*===-- Miscellaneous -----------------------------------------------------===*/
-
-uint8_t MachOObjectFile::getBytesInAddress() const {
-  return MachOObj->is64Bit() ? 8 : 4;
-}
-
-StringRef MachOObjectFile::getFileFormatName() const {
-  if (!MachOObj->is64Bit()) {
-    switch (MachOObj->getHeader().CPUType) {
-    case 0x00000007:
-      return "MACHO32-i386";
-    case 0x01000007:
-      return "MACHO32-x86-64";
-    case 0x0000000c:
-      return "MACHO32-arm";
-    case 0x00000012:
-      return "MACHO32-ppc";
-    case 0x01000012:
-      return "MACHO32-ppc64";
-    }
-  }
-
-  switch (MachOObj->getHeader().CPUType) {
-  case 0x00000007:
-    return "MACHO64-i386";
-  case 0x01000007:
-    return "MACHO64-x86-64";
-  case 0x0000000c:
-    return "MACHO64-arm";
-  case 0x00000012:
-    return "MACHO64-ppc";
-  case 0x01000012:
-    return "MACHO64-ppc64";
-  default:
-    return "MACHO64-unknown";
-  }
-}
-
-unsigned MachOObjectFile::getArch() const {
-  switch (MachOObj->getHeader().CPUType) {
-  case 0x00000007:
-    return Triple::x86;
-  case 0x01000007:
-    return Triple::x86_64;
-  case 0x0000000c:
-    return Triple::arm;
-  case 0x00000012:
-    return Triple::ppc;
-  case 0x01000012:
-    return Triple::ppc64;
-  default:
-    return Triple::UnknownArch;
-  }
-}
-
-} // end namespace llvm
-