/*===- InstrProfiling.h- Support library for PGO instrumentation ----------===*\ |* |* The LLVM Compiler Infrastructure |* |* This file is distributed under the University of Illinois Open Source |* License. See LICENSE.TXT for details. |* \*===----------------------------------------------------------------------===*/ #ifndef PROFILE_INSTRPROFILING_H_ #define PROFILE_INSTRPROFILING_H_ #if defined(__FreeBSD__) && defined(__i386__) /* System headers define 'size_t' incorrectly on x64 FreeBSD (prior to * FreeBSD 10, r232261) when compiled in 32-bit mode. */ #define PRIu64 "llu" typedef unsigned int uint32_t; typedef unsigned long long uint64_t; typedef uint32_t uintptr_t; #else /* defined(__FreeBSD__) && defined(__i386__) */ #include <inttypes.h> #include <stdint.h> #endif /* defined(__FreeBSD__) && defined(__i386__) */ #define PROFILE_HEADER_SIZE 7 typedef struct __llvm_profile_data { const uint32_t NameSize; const uint32_t NumCounters; const uint64_t FuncHash; const char *const Name; uint64_t *const Counters; } __llvm_profile_data; /*! * \brief Get required size for profile buffer. */ uint64_t __llvm_profile_get_size_for_buffer(void); /*! * \brief Write instrumentation data to the given buffer. * * \pre \c Buffer is the start of a buffer at least as big as \a * __llvm_profile_get_size_for_buffer(). */ int __llvm_profile_write_buffer(char *Buffer); const __llvm_profile_data *__llvm_profile_data_begin(void); const __llvm_profile_data *__llvm_profile_data_end(void); const char *__llvm_profile_names_begin(void); const char *__llvm_profile_names_end(void); uint64_t *__llvm_profile_counters_begin(void); uint64_t *__llvm_profile_counters_end(void); #define PROFILE_RANGE_SIZE(Range) \ (__llvm_profile_ ## Range ## _end() - __llvm_profile_ ## Range ## _begin()) /*! * \brief Write instrumentation data to the current file. * * Writes to the file with the last name given to \a __llvm_profile_set_filename(), * or if it hasn't been called, the \c LLVM_PROFILE_FILE environment variable, * or if that's not set, \c "default.profdata". */ int __llvm_profile_write_file(void); /*! * \brief Set the filename for writing instrumentation data. * * Sets the filename to be used for subsequent calls to * \a __llvm_profile_write_file(). * * \c Name is not copied, so it must remain valid. Passing NULL resets the * filename logic to the default behaviour. */ void __llvm_profile_set_filename(const char *Name); /*! \brief Register to write instrumentation data to file at exit. */ int __llvm_profile_register_write_file_atexit(void); /*! \brief Initialize file handling. */ void __llvm_profile_initialize_file(void); /*! \brief Get the magic token for the file format. */ uint64_t __llvm_profile_get_magic(void); /*! \brief Get the version of the file format. */ uint64_t __llvm_profile_get_version(void); #endif /* PROFILE_INSTRPROFILING_H_ */