You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
3.0 KiB
77 lines
3.0 KiB
/*===- InstrProfilingUtil.h - Support library for PGO instrumentation -----===*\
|
|
|*
|
|
|* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
|* See https://llvm.org/LICENSE.txt for license information.
|
|
|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|*
|
|
\*===----------------------------------------------------------------------===*/
|
|
|
|
#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);
|
|
int lprofLockFileHandle(FILE *F);
|
|
int lprofUnlockFileHandle(FILE *F);
|
|
|
|
/*! 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 setenv/getenv/fork. Define a shim. */
|
|
#if __ORBIS__
|
|
#include <sys/types.h>
|
|
static inline char *getenv(const char *name) { return NULL; }
|
|
static inline int setenv(const char *name, const char *value, int overwrite)
|
|
{ return 0; }
|
|
static pid_t fork() { return -1; }
|
|
#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 */
|