dyld3/BootArgs.h

   1 //
   2 //  BootArgs.hpp
   3 //  dyld
   4 //
   5 //  Created by Louis Gerbarg on 11/14/18.
   6 //
   7
   8 #ifndef __DYLD_BOOTARGS_H__
   9 #define __DYLD_BOOTARGS_H__
  10
  11 #include <cstdint>
  12
  13 #define VIS_HIDDEN __attribute__((visibility("hidden")))
  14
  15 namespace dyld3 {
  16 #if BUILDING_DYLD
  17     struct VIS_HIDDEN BootArgs {
  18         static bool contains(const char* arg);
  19         static bool forceCustomerCache();
  20         static bool forceDyld2();
  21         static bool forceDyld3();
  22         static bool enableDyldTestMode();
  23         static bool enableCompactImageInfo();
  24         static void setFlags(uint64_t flags);
  25     private:
  26         static const uint64_t kForceCustomerCacheMask = 1<<0;
  27         static const uint64_t kDyldTestModeMask = 1<<1;
  28         static const uint64_t kForceDyld2CacheMask = 1<<15;
  29         static const uint64_t kForceDyld3CacheMask = 1<<16;
  30         static const uint64_t kEnableCompactImageInfoMask = 1<<17;
  31         //FIXME: Move this into __DATA_CONST once it is enabled for dyld
  32         static uint64_t _flags;
  33     };
  34 #endif
  35
  36 } // namespace dyld3
  37
  38 #endif /* __DYLD_BOOTARGS_H__ */