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Diffstat (limited to 'contrib/compiler-rt/lib/profile/InstrProfilingUtil.h')
-rw-r--r-- | contrib/compiler-rt/lib/profile/InstrProfilingUtil.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/profile/InstrProfilingUtil.h b/contrib/compiler-rt/lib/profile/InstrProfilingUtil.h new file mode 100644 index 000000000000..147677fc8700 --- /dev/null +++ b/contrib/compiler-rt/lib/profile/InstrProfilingUtil.h @@ -0,0 +1,71 @@ +/*===- InstrProfilingUtil.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_INSTRPROFILINGUTIL_H +#define PROFILE_INSTRPROFILINGUTIL_H + +#include <stddef.h> +#include <stdio.h> + +/*! \brief Create a directory tree. */ +void __llvm_profile_recursive_mkdir(char *Pathname); + +/*! Set the mode used when creating profile directories. */ +void __llvm_profile_set_dir_mode(unsigned Mode); + +/*! Return the directory creation mode. */ +unsigned __llvm_profile_get_dir_mode(void); + +int lprofLockFd(int fd); +int lprofUnlockFd(int fd); + +/*! Open file \c Filename for read+write with write + * lock for exclusive access. The caller will block + * if the lock is already held by another process. */ +FILE *lprofOpenFileEx(const char *Filename); +/* PS4 doesn't have getenv. Define a shim. */ +#if __ORBIS__ +static inline char *getenv(const char *name) { return NULL; } +#endif /* #if __ORBIS__ */ + +/* GCOV_PREFIX and GCOV_PREFIX_STRIP support */ +/* Return the path prefix specified by GCOV_PREFIX environment variable. + * If GCOV_PREFIX_STRIP is also specified, the strip level (integer value) + * is returned via \c *PrefixStrip. The prefix length is stored in *PrefixLen. + */ +const char *lprofGetPathPrefix(int *PrefixStrip, size_t *PrefixLen); +/* Apply the path prefix specified in \c Prefix to path string in \c PathStr, + * and store the result to buffer pointed to by \c Buffer. If \c PrefixStrip + * is not zero, path prefixes are stripped from \c PathStr (the level of + * stripping is specified by \c PrefixStrip) before \c Prefix is added. + */ +void lprofApplyPathPrefix(char *Dest, const char *PathStr, const char *Prefix, + size_t PrefixLen, int PrefixStrip); + +/* Returns a pointer to the first occurrence of \c DIR_SEPARATOR char in + * the string \c Path, or NULL if the char is not found. */ +const char *lprofFindFirstDirSeparator(const char *Path); +/* Returns a pointer to the last occurrence of \c DIR_SEPARATOR char in + * the string \c Path, or NULL if the char is not found. */ +const char *lprofFindLastDirSeparator(const char *Path); + +int lprofGetHostName(char *Name, int Len); + +unsigned lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV); +void *lprofPtrFetchAdd(void **Mem, long ByteIncr); + +/* Temporarily suspend SIGKILL. Return value of 1 means a restore is needed. + * Other return values mean no restore is needed. + */ +int lprofSuspendSigKill(); + +/* Restore previously suspended SIGKILL. */ +void lprofRestoreSigKill(); + +#endif /* PROFILE_INSTRPROFILINGUTIL_H */ |