e14743d1 |
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 */ |