| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #ifdef SDL_LOADSO_MACOS |
| 25 | |
| 26 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 27 | /* System dependent library loading routines */ |
| 28 | |
| 29 | #include <stdio.h> |
| 30 | #include <string.h> |
| 31 | #define OLDP2C 1 |
| 32 | #include <Strings.h> |
| 33 | #include <CodeFragments.h> |
| 34 | #include <Errors.h> |
| 35 | |
| 36 | #include "SDL_loadso.h" |
| 37 | |
| 38 | void *SDL_LoadObject(const char *sofile) |
| 39 | { |
| 40 | void *handle = NULL; |
| 41 | const char *loaderror = NULL; |
| 42 | CFragConnectionID library_id; |
| 43 | Ptr mainAddr; |
| 44 | Str255 errName; |
| 45 | OSErr error; |
| 46 | char psofile[512]; |
| 47 | |
| 48 | SDL_strlcpy(psofile, sofile, SDL_arraysize(psofile)); |
| 49 | error = GetSharedLibrary(C2PStr(psofile), kCompiledCFragArch, |
| 50 | kLoadCFrag, &library_id, &mainAddr, errName); |
| 51 | switch (error) { |
| 52 | case noErr: |
| 53 | loaderror = NULL; |
| 54 | break; |
| 55 | case cfragNoLibraryErr: |
| 56 | loaderror = "Library not found"; |
| 57 | break; |
| 58 | case cfragUnresolvedErr: |
| 59 | loaderror = "Unabled to resolve symbols"; |
| 60 | break; |
| 61 | case cfragNoPrivateMemErr: |
| 62 | case cfragNoClientMemErr: |
| 63 | loaderror = "Out of memory"; |
| 64 | break; |
| 65 | default: |
| 66 | loaderror = "Unknown Code Fragment Manager error"; |
| 67 | break; |
| 68 | } |
| 69 | if ( loaderror == NULL ) { |
| 70 | handle = (void *)(library_id); |
| 71 | } else { |
| 72 | SDL_SetError("Failed loading %s: %s", sofile, loaderror); |
| 73 | } |
| 74 | return(handle); |
| 75 | } |
| 76 | |
| 77 | void *SDL_LoadFunction(void *handle, const char *name) |
| 78 | { |
| 79 | void *symbol = NULL; |
| 80 | const char *loaderror = NULL; |
| 81 | CFragSymbolClass class; |
| 82 | CFragConnectionID library_id = (CFragConnectionID)handle; |
| 83 | char pname[512]; |
| 84 | |
| 85 | SDL_strlcpy(pname, name, SDL_arraysize(pname)); |
| 86 | if ( FindSymbol(library_id, C2PStr(pname), |
| 87 | (char **)&symbol, &class) != noErr ) { |
| 88 | loaderror = "Symbol not found"; |
| 89 | } |
| 90 | |
| 91 | if ( symbol == NULL ) { |
| 92 | SDL_SetError("Failed loading %s: %s", name, loaderror); |
| 93 | } |
| 94 | return(symbol); |
| 95 | } |
| 96 | |
| 97 | void SDL_UnloadObject(void *handle) |
| 98 | { |
| 99 | CFragConnectionID library_id; |
| 100 | if ( handle != NULL ) { |
| 101 | library_id = (CFragConnectionID)handle; |
| 102 | CloseConnection(&library_id); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | #endif /* SDL_LOADSO_MACOS */ |