vm_shared_object_linux32.c

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//       Copyright(c) 2003-2005 Intel Corporation. All Rights Reserved.
//
*/

#ifdef LINUX32

#include <dlfcn.h>
#include "vm_shared_object.h"


vm_so_handle vm_so_load(vm_char* so_file_name)
{
    void *handle;

    /* check error(s) */
    if (NULL == so_file_name)
        return NULL;

    handle = dlopen(so_file_name, RTLD_LAZY);

    return (vm_so_handle)handle;

} /* vm_so_handle vm_so_load(vm_char* so_file_name) */

void *vm_so_get_addr(vm_so_handle so_handle, vm_char *so_func_name)
{
    void *addr;

    /* check error(s) */
    if (NULL == so_handle)
        return NULL;

    addr = dlsym(so_handle,so_func_name);
    if (dlerror())
        return NULL;

    return addr;

} /* void *vm_so_get_addr(vm_so_handle so_handle, vm_char *so_func_name) */

void vm_so_free(vm_so_handle so_handle)
{
    /* check error(s) */
    if (NULL == so_handle)
        return;

    dlclose(so_handle);

} /* void vm_so_free(vm_so_handle so_handle) */

#endif /* LINUX32 */