src/compiler-rt/lib/profile/InstrProfilingUtil.h

   1 /*===- InstrProfilingUtil.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_INSTRPROFILINGUTIL_H
  11 #define PROFILE_INSTRPROFILINGUTIL_H
  12
  13 #include <stddef.h>
  14 #include <stdio.h>
  15
  16 /*! \brief Create a directory tree. */
  17 void __llvm_profile_recursive_mkdir(char *Pathname);
  18
  19 /*! Open file \c Filename for read+write with write
  20  * lock for exclusive access. The caller will block
  21  * if the lock is already held by another process. */
  22 FILE *lprofOpenFileEx(const char *Filename);
  23 /* PS4 doesn't have getenv. Define a shim. */
  24 #if __ORBIS__
  25 static inline char *getenv(const char *name) { return NULL; }
  26 #endif /* #if __ORBIS__ */
  27
  28 /* GCOV_PREFIX and GCOV_PREFIX_STRIP support */
  29 /* Return the path prefix specified by GCOV_PREFIX environment variable.
  30  * If GCOV_PREFIX_STRIP is also specified, the strip level (integer value)
  31  * is returned via \c *PrefixStrip. The prefix length is stored in *PrefixLen.
  32  */
  33 const char *lprofGetPathPrefix(int *PrefixStrip, size_t *PrefixLen);
  34 /* Apply the path prefix specified in \c Prefix to path string in \c PathStr,
  35  * and store the result to buffer pointed to by \c Buffer. If \c PrefixStrip
  36  * is not zero, path prefixes are stripped from \c PathStr (the level of
  37  * stripping is specified by \c PrefixStrip) before \c Prefix is added.
  38  */
  39 void lprofApplyPathPrefix(char *Dest, const char *PathStr, const char *Prefix,
  40                           size_t PrefixLen, int PrefixStrip);
  41
  42 /* Returns a pointer to the first occurrence of \c DIR_SEPARATOR char in
  43  * the string \c Path, or NULL if the char is not found. */
  44 const char *lprofFindFirstDirSeparator(const char *Path);
  45 /* Returns a pointer to the last occurrence of \c DIR_SEPARATOR char in
  46  * the string \c Path, or NULL if the char is not found. */
  47 const char *lprofFindLastDirSeparator(const char *Path);
  48
  49 int lprofGetHostName(char *Name, int Len);
  50
  51 unsigned lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV);
  52 void *lprofPtrFetchAdd(void **Mem, long ByteIncr);
  53
  54 #endif /* PROFILE_INSTRPROFILINGUTIL_H */