1 /*===- InstrProfiling.h- Support library for PGO instrumentation ----------===*\ 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 #ifndef PROFILE_INSTRPROFILING_INTERNALH_ 11 #define PROFILE_INSTRPROFILING_INTERNALH_ 12 13 #include "InstrProfiling.h" 14 #include "stddef.h" 15 16 /*! 17 * \brief Write instrumentation data to the given buffer, given explicit 18 * pointers to the live data in memory. This function is probably not what you 19 * want. Use __llvm_profile_get_size_for_buffer instead. Use this function if 20 * your program has a custom memory layout. 21 */ 22 uint64_t __llvm_profile_get_size_for_buffer_internal( 23 const __llvm_profile_data *DataBegin, const __llvm_profile_data *DataEnd, 24 const uint64_t *CountersBegin, const uint64_t *CountersEnd, 25 const char *NamesBegin, const char *NamesEnd); 26 27 /*! 28 * \brief Write instrumentation data to the given buffer, given explicit 29 * pointers to the live data in memory. This function is probably not what you 30 * want. Use __llvm_profile_write_buffer instead. Use this function if your 31 * program has a custom memory layout. 32 * 33 * \pre \c Buffer is the start of a buffer at least as big as \a 34 * __llvm_profile_get_size_for_buffer_internal(). 35 */ 36 int __llvm_profile_write_buffer_internal( 37 char *Buffer, const __llvm_profile_data *DataBegin, 38 const __llvm_profile_data *DataEnd, const uint64_t *CountersBegin, 39 const uint64_t *CountersEnd, const char *NamesBegin, const char *NamesEnd); 40 41 /*! 42 * This is an internal function not intended to be used externally. 43 */ 44 typedef struct ProfDataIOVec { 45 const void *Data; 46 size_t ElmSize; 47 size_t NumElm; 48 } ProfDataIOVec; 49 50 typedef uint32_t (*WriterCallback)(ProfDataIOVec *, uint32_t NumIOVecs, 51 void **WriterCtx); 52 int llvmWriteProfData(WriterCallback Writer, void *WriterCtx, 53 const uint8_t *ValueDataBegin, 54 const uint64_t ValueDataSize); 55 int llvmWriteProfDataImpl(WriterCallback Writer, void *WriterCtx, 56 const __llvm_profile_data *DataBegin, 57 const __llvm_profile_data *DataEnd, 58 const uint64_t *CountersBegin, 59 const uint64_t *CountersEnd, 60 const uint8_t *ValueDataBegin, 61 const uint64_t ValueDataSize, const char *NamesBegin, 62 const char *NamesEnd); 63 64 extern char *(*GetEnvHook)(const char *); 65 66 #endif 67