src/ld/parsers/lto_file.h

   1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
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   3  * Copyright (c) 2009-2010 Apple Inc. All rights reserved.
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  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 unsigned int runtime_api_version();
  35
  36 extern unsigned int static_api_version();
  37
  38 extern bool libLTOisLoaded();
  39
  40 extern const char* archName(const uint8_t* fileContent, uint64_t fileLength);
  41
  42 extern bool isObjectFile(const uint8_t* fileContent, uint64_t fileLength, cpu_type_t architecture, cpu_subtype_t subarch);
  43
  44 extern bool hasObjCCategory(const uint8_t* fileContent, uint64_t fileLength);
  45
  46 extern ld::relocatable::File* parse(const uint8_t* fileContent, uint64_t fileLength,
  47                                                                         const char* path, time_t modTime, ld::File::Ordinal ordinal,
  48                                                                         cpu_type_t architecture, cpu_subtype_t subarch, bool logAllFiles,
  49                                                                         bool verboseOptimizationHints);
  50
  51 struct OptimizeOptions {
  52         const char*                                                     outputFilePath;
  53         const char*                                                     tmpObjectFilePath;
  54         const char*                                                     ltoCachePath;
  55         int                                                                     ltoPruneInterval;
  56         int                                                                     ltoPruneAfter;
  57         unsigned                                                        ltoMaxCacheSize;
  58         bool                                                            preserveAllGlobals;
  59         bool                                                            verbose;
  60         bool                                                            saveTemps;
  61         bool                                                            ltoCodegenOnly;
  62         bool                                                            pie;
  63         bool                                                            mainExecutable;
  64         bool                                                            staticExecutable;
  65         bool                                                            preload;
  66         bool                                                            relocatable;
  67         bool                                                            allowTextRelocs;
  68         bool                                                            linkerDeadStripping;
  69         bool                                                            needsUnwindInfoSection;
  70         bool                                                            keepDwarfUnwind;
  71         bool                                                            verboseOptimizationHints;
  72         bool                                                            armUsesZeroCostExceptions;
  73         bool                                                            simulator;
  74         bool                                                            ignoreMismatchPlatform;
  75         bool                                                            bitcodeBundle;
  76         uint8_t                                                         maxDefaultCommonAlignment;
  77         cpu_type_t                                                      arch;
  78         const char*                                                     mcpu;
  79         Options::Platform                                       platform;
  80         uint32_t                                                        minOSVersion;
  81         const std::vector<const char*>*         llvmOptions;
  82         const std::vector<const char*>*         initialUndefines;
  83 };
  84
  85 extern bool     optimize(   const std::vector<const ld::Atom*>& allAtoms,
  86                                                 ld::Internal&                                           state,
  87                                                 const OptimizeOptions&                          options,
  88                                                 ld::File::AtomHandler&                          handler,
  89                                                 std::vector<const ld::Atom*>&           newAtoms,
  90                                                 std::vector<const char*>&                       additionalUndefines);
  91
  92 } // namespace lto
  93
  94
  95 #endif // __LTO_FILE_H__
  96
  97