wfview/dlfcn/dlfcn.h

94 wiersze
3.2 KiB
C

/*
* dlfcn-win32
* Copyright (c) 2007 Ramiro Polla
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef DLFCN_H
#define DLFCN_H
#ifdef __cplusplus
extern "C" {
#endif
#if defined(DLFCN_WIN32_SHARED)
#if defined(DLFCN_WIN32_EXPORTS)
# define DLFCN_EXPORT __declspec(dllexport)
#else
# define DLFCN_EXPORT __declspec(dllimport)
#endif
#else
# define DLFCN_EXPORT
#endif
/* Relocations are performed when the object is loaded. */
#define RTLD_NOW 0
/* Relocations are performed at an implementation-defined time.
* Windows API does not support lazy symbol resolving (when first reference
* to a given symbol occurs). So RTLD_LAZY implementation is same as RTLD_NOW.
*/
#define RTLD_LAZY RTLD_NOW
/* All symbols are available for relocation processing of other modules. */
#define RTLD_GLOBAL (1 << 1)
/* All symbols are not made available for relocation processing by other modules. */
#define RTLD_LOCAL (1 << 2)
/* These two were added in The Open Group Base Specifications Issue 6.
* Note: All other RTLD_* flags in any dlfcn.h are not standard compliant.
*/
/* The symbol lookup happens in the normal global scope. */
#define RTLD_DEFAULT ((void *)0)
/* Specifies the next object after this one that defines name. */
#define RTLD_NEXT ((void *)-1)
/* Structure filled in by dladdr() */
typedef struct dl_info
{
const char* dli_fname; /* Filename of defining object (thread unsafe and reused on every call to dladdr) */
void* dli_fbase; /* Load address of that object */
const char* dli_sname; /* Name of nearest lower symbol */
void* dli_saddr; /* Exact value of nearest symbol */
} Dl_info;
/* Open a symbol table handle. */
DLFCN_EXPORT void* dlopen(const char* file, int mode);
/* Close a symbol table handle. */
DLFCN_EXPORT int dlclose(void* handle);
/* Get the address of a symbol from a symbol table handle. */
DLFCN_EXPORT void* dlsym(void* handle, const char* name);
/* Get diagnostic information. */
DLFCN_EXPORT char* dlerror(void);
/* Translate address to symbolic information (no POSIX standard) */
DLFCN_EXPORT int dladdr(const void* addr, Dl_info* info);
#ifdef __cplusplus
}
#endif
#endif /* DLFCN_H */