1 //===- NaClBitcodeDefs.h ----------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Defines some common types/constants used by bitcode readers and 11 // writers. It is intended to make clear assumptions made in 12 // representing bitcode files. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_BITCODE_NACL_NACLBITCODEDEFS_H 17 #define LLVM_BITCODE_NACL_NACLBITCODEDEFS_H 18 19 namespace llvm { 20 21 namespace naclbitc { 22 23 // Special record codes used to model codes for predefined records. 24 // They are very large so that they do not conflict with existing 25 // record codes for user-defined blocks. 26 enum SpecialBlockCodes { 27 BLK_CODE_ENTER = 65535, 28 BLK_CODE_EXIT = 65534, 29 BLK_CODE_DEFINE_ABBREV = 65533, 30 BLK_CODE_HEADER = 65532 31 }; 32 33 } // end of namespace naclbitc 34 35 /// Defines type for value indicies in bitcode. Like a size_t, but 36 /// fixed across platforms. 37 typedef uint32_t NaClBcIndexSize_t; 38 39 /// Signed version of NaClBcIndexSize_t. Used to define relative indices. 40 typedef int32_t NaClRelBcIndexSize_t; 41 42 /// Defines maximum allowed bitcode index in bitcode files. 43 static const size_t NaClBcIndexSize_t_Max = 44 std::numeric_limits<NaClBcIndexSize_t>::max(); 45 46 /// Defines the maximum number of initializers allowed, based on ILP32. 47 static const size_t MaxNaClGlobalVarInits = 48 std::numeric_limits<uint32_t>::max(); 49 50 } // end of namespace llvm 51 52 #endif // LLVM_BITCODE_NACL_NACLBITCODEDEFS_H 53