1 /***********************************************************************
2 * Copyright (c) 2009, Secure Endpoints Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28 * OF THE POSSIBILITY OF SUCH DAMAGE.
30 **********************************************************************/
37 #ifndef ROKEN_LIB_FUNCTION
39 #define ROKEN_LIB_FUNCTION
40 #define ROKEN_LIB_CALL __cdecl
42 #define ROKEN_LIB_FUNCTION
43 #define ROKEN_LIB_CALL
48 typedef int (__stdcall *DLSYM_RET_TYPE)();
50 #define DLSYM_RET_TYPE void *
57 /* Relocations are performed when the object is loaded. */
60 /* Relocations are performed at an implementation-defined time.
61 * Windows API does not support lazy symbol resolving (when first reference
62 * to a given symbol occurs). So RTLD_LAZY implementation is same as RTLD_NOW.
64 #define RTLD_LAZY RTLD_NOW
66 /* All symbols are available for relocation processing of other modules. */
67 #define RTLD_GLOBAL (1 << 1)
69 /* All symbols are not made available for relocation processing by other modules. */
70 #define RTLD_LOCAL (1 << 2)
72 /* These two were added in The Open Group Base Specifications Issue 6.
73 * Note: All other RTLD_* flags in any dlfcn.h are not standard compliant.
76 /* The symbol lookup happens in the normal global scope. */
77 #define RTLD_DEFAULT ((void *)0LL)
79 /* Specifies the next object after this one that defines name. */
80 #define RTLD_NEXT ((void *)-1LL)
82 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
85 ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
88 ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL
89 dlopen(const char *, int);
91 ROKEN_LIB_FUNCTION DLSYM_RET_TYPE ROKEN_LIB_CALL
92 dlsym(void *, const char *);
94 typedef struct Dl_info
96 const char *dli_fname; /* Filename of defining object (thread unsafe and reused on every call to dladdr) */
97 void *dli_fbase; /* Load address of that object */
98 const char *dli_sname; /* Name of nearest lower symbol */
99 void *dli_saddr; /* Exact value of nearest symbol */
100 } Dl_info, Dl_info_t;
102 ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
103 dladdr(void *addr, Dl_info *dli);
109 #endif /* __dlfcn_h__ */