src/ld/parsers/lto_file.h

   1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2009-2010 Apple Inc. All rights reserved.
   4  *
   5  * @APPLE_LICENSE_HEADER_START@
   6  *
   7  * This file contains Original Code and/or Modifications of Original Code
   8  * as defined in and that are subject to the Apple Public Source License
   9  * Version 2.0 (the 'License'). You may not use this file except in
  10  * compliance with the License. Please obtain a copy of the License at
  11  * http://www.opensource.apple.com/apsl/ and read it before using this
  12  * file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  19  * Please see the License for the specific language governing rights and
  20  * limitations under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24
  25 #ifndef __LTO_FILE_H__
  26 #define __LTO_FILE_H__
  27
  28 #include "ld.hpp"
  29
  30 namespace lto {
  31
  32 extern const char* version();
  33
  34 extern bool libLTOisLoaded();
  35
  36 extern const char* archName(const uint8_t* fileContent, uint64_t fileLength);
  37
  38 extern bool isObjectFile(const uint8_t* fileContent, uint64_t fileLength, cpu_type_t architecture, cpu_subtype_t subarch);
  39
  40 extern ld::relocatable::File* parse(const uint8_t* fileContent, uint64_t fileLength,
  41                                                                         const char* path, time_t modTime, ld::File::Ordinal ordinal,
  42                                                                         cpu_type_t architecture, cpu_subtype_t subarch, bool logAllFiles,
  43                                                                         bool verboseOptimizationHints);
  44
  45 struct OptimizeOptions {
  46         const char*                                                     outputFilePath;
  47         const char*                                                     tmpObjectFilePath;
  48         bool                                                            preserveAllGlobals;
  49         bool                                                            verbose;
  50         bool                                                            saveTemps;
  51         bool                                                            ltoCodegenOnly;
  52         bool                                                            pie;
  53         bool                                                            mainExecutable;
  54         bool                                                            staticExecutable;
  55         bool                                                            relocatable;
  56         bool                                                            allowTextRelocs;
  57         bool                                                            linkerDeadStripping;
  58         bool                                                            needsUnwindInfoSection;
  59         bool                                                            keepDwarfUnwind;
  60         bool                                                            verboseOptimizationHints;
  61         bool                                                            armUsesZeroCostExceptions;
  62         bool                                                            simulator;
  63         bool                                                            ignoreMismatchPlatform;
  64         bool                                                            bitcodeBundle;
  65         cpu_type_t                                                      arch;
  66         const char*                                                     mcpu;
  67         Options::Platform                                       platform;
  68         const std::vector<const char*>*         llvmOptions;
  69         const std::vector<const char*>*         initialUndefines;
  70 };
  71
  72 extern bool     optimize(   const std::vector<const ld::Atom*>& allAtoms,
  73                                                 ld::Internal&                                           state,
  74                                                 const OptimizeOptions&                          options,
  75                                                 ld::File::AtomHandler&                          handler,
  76                                                 std::vector<const ld::Atom*>&           newAtoms,
  77                                                 std::vector<const char*>&                       additionalUndefines);
  78
  79 } // namespace lto
  80
  81
  82 #endif // __LTO_FILE_H__
  83
  84