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Merge from eCos master repository on 2001-10-02-17:59:22-BST
author jlarmour
date Tue, 02 Oct 2001 18:28:24 +0000
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children e0c0827131d1
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1 #ifndef CYGONCE_LOADER_DLFCN_H
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2 #define CYGONCE_LOADER_DLFCN_H
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3
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4 //==========================================================================
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5 //
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6 // dlfcn.h
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7 //
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8 // ELF dynamic loader API definitions
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9 //
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10 //==========================================================================
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11 //####COPYRIGHTBEGIN####
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12 //
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13 // -------------------------------------------
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14 // The contents of this file are subject to the Red Hat eCos Public License
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15 // Version 1.1 (the "License"); you may not use this file except in
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16 // compliance with the License. You may obtain a copy of the License at
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17 // http://www.redhat.com/
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18 //
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19 // Software distributed under the License is distributed on an "AS IS"
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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21 // License for the specific language governing rights and limitations under
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22 // the License.
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23 //
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24 // The Original Code is eCos - Embedded Configurable Operating System,
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25 // released September 30, 1998.
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26 //
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27 // The Initial Developer of the Original Code is Red Hat.
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28 // Portions created by Red Hat are
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29 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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30 // All Rights Reserved.
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31 // -------------------------------------------
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32 //
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33 //####COPYRIGHTEND####
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34 //==========================================================================
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35 //#####DESCRIPTIONBEGIN####
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36 //
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37 // Author(s): nickg
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38 // Contributors: nickg
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39 // Date: 2000-11-15
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40 // Purpose: Define ELF dynamic loader API
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41 // Description: The functions defined here collectively implement the
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42 // external API of the ELF dynamic loader.
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43 // Usage: #include <cyg/loader/dlfcn.h>
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44 //
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45 //####DESCRIPTIONEND####
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46 //
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47 //==========================================================================
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48
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49 #include <pkgconf/system.h>
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50
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51 #include <cyg/infra/cyg_type.h> /* types etc. */
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52
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53 // =========================================================================
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54 // Mode values
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55
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56 #define RTLD_NOW 0x00 /* Relocate now (default) */
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57 #define RTLD_LAZY 0x01 /* Relocate opportunistically */
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58 #define RTLD_GLOBAL 0x00 /* make symbols available globally (default) */
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59 #define RTLD_LOCAL 0x10 /* keep symbols secret */
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60
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61 // =========================================================================
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62 // API calls
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63
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64 __externC void *dlopen (const char *file, int mode);
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65
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66 __externC void *dlopenmem(const void *addr, size_t size, int mode);
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67
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68 __externC int dlclose (void *handle);
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69
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70 __externC void *dlsym (void *handle, const char *name);
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71
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72 __externC const char *dlerror (void);
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73
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74 // -------------------------------------------------------------------------
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75 #endif // ifndef CYGONCE_LOADER_DLFCN_H
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76 // EOF dlfcn.h