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/*
Copyright (c) 2014 Intel Corporation. All Rights Reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef OFFLOAD_UTIL_H_INCLUDED
#define OFFLOAD_UTIL_H_INCLUDED
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#ifdef TARGET_WINNT
#include <windows.h>
#include <process.h>
#else // TARGET_WINNT
#include <dlfcn.h>
#include <pthread.h>
#endif // TARGET_WINNT
#ifdef TARGET_WINNT
typedef unsigned pthread_key_t;
typedef int pid_t;
#define __func__ __FUNCTION__
#define strtok_r(s,d,p) strtok_s(s,d,p)
#define strcasecmp(a,b) stricmp(a,b)
#define thread_key_create(key, destructor) \
(((*key = TlsAlloc()) > 0) ? 0 : GetLastError())
#define thread_key_delete(key) TlsFree(key)
#ifndef S_ISREG
#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
#endif
void* thread_getspecific(pthread_key_t key);
int thread_setspecific(pthread_key_t key, const void *value);
#else
#define thread_key_create(key, destructor) \
pthread_key_create((key), (destructor))
#define thread_key_delete(key) pthread_key_delete(key)
#define thread_getspecific(key) pthread_getspecific(key)
#define thread_setspecific(key, value) pthread_setspecific(key, value)
#endif // TARGET_WINNT
// Mutex implementation
struct mutex_t {
mutex_t() {
#ifdef TARGET_WINNT
InitializeCriticalSection(&m_lock);
#else // TARGET_WINNT
pthread_mutex_init(&m_lock, 0);
#endif // TARGET_WINNT
}
~mutex_t() {
#ifdef TARGET_WINNT
DeleteCriticalSection(&m_lock);
#else // TARGET_WINNT
pthread_mutex_destroy(&m_lock);
#endif // TARGET_WINNT
}
void lock() {
#ifdef TARGET_WINNT
EnterCriticalSection(&m_lock);
#else // TARGET_WINNT
pthread_mutex_lock(&m_lock);
#endif // TARGET_WINNT
}
void unlock() {
#ifdef TARGET_WINNT
LeaveCriticalSection(&m_lock);
#else // TARGET_WINNT
pthread_mutex_unlock(&m_lock);
#endif // TARGET_WINNT
}
private:
#ifdef TARGET_WINNT
CRITICAL_SECTION m_lock;
#else
pthread_mutex_t m_lock;
#endif
};
struct mutex_locker_t {
mutex_locker_t(mutex_t &mutex) : m_mutex(mutex) {
m_mutex.lock();
}
~mutex_locker_t() {
m_mutex.unlock();
}
private:
mutex_t &m_mutex;
};
// Dynamic loader interface
#ifdef TARGET_WINNT
struct Dl_info
{
char dli_fname[MAX_PATH];
void *dli_fbase;
char dli_sname[MAX_PATH];
const void *dli_saddr;
};
void* DL_open(const char *path);
#define DL_close(handle) FreeLibrary((HMODULE) (handle))
int DL_addr(const void *addr, Dl_info *info);
#else
#define DL_open(path) dlopen((path), RTLD_NOW)
#define DL_close(handle) dlclose(handle)
#define DL_addr(addr, info) dladdr((addr), (info))
#endif // TARGET_WINNT
extern void* DL_sym(void *handle, const char *name, const char *version);
// One-time initialization API
#ifdef TARGET_WINNT
typedef INIT_ONCE OffloadOnceControl;
#define OFFLOAD_ONCE_CONTROL_INIT INIT_ONCE_STATIC_INIT
extern void __offload_run_once(OffloadOnceControl *ctrl, void (*func)(void));
#else
typedef pthread_once_t OffloadOnceControl;
#define OFFLOAD_ONCE_CONTROL_INIT PTHREAD_ONCE_INIT
#define __offload_run_once(ctrl, func) pthread_once(ctrl, func)
#endif // TARGET_WINNT
// Parses size specification string.
extern bool __offload_parse_size_string(const char *str, uint64_t &new_size);
// Parses string with integer value
extern bool __offload_parse_int_string(const char *str, int64_t &value);
// get value by its base, offset and size
int64_t get_el_value(
char *base,
int64_t offset,
int64_t size
);
#endif // OFFLOAD_UTIL_H_INCLUDED
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