sdl-ios-xcode: src/loadso/macosx/SDL

annotate src/loadso/macosx/SDL_dlcompat.c @ 1717:e3637569ab86 SDL-1.3

Include sdl.pc in the development RPM

author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 27 Jun 2006 04:59:10 +0000
parents	4da1ee79c9af
children

rev	line source
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #ifdef SDL_LOADSO_DLCOMPAT
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 /* Please note that dlcompat apparently ships in current Mac OS X versions
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 * as a system library that provides compatibility with the Unix "dlopen"
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 * interface. In order to allow SDL to work on older OS X releases and also
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 * not conflict with the system lib on newer versions, we include dlcompat
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 * in SDL and change the symbols to prevent symbol clash with any existing
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 * system libraries. --ryan.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 /* here is the dlcompat license: */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 Copyright (c) 2002 Jorge Acereda <jacereda@users.sourceforge.net> &
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 Peter O'Gorman <ogorman@users.sourceforge.net>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 Portions may be copyright others, see the AUTHORS file included with this
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 distribution.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 Maintained by Peter O'Gorman <ogorman@users.sourceforge.net>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 Bug Reports and other queries should go to <ogorman@users.sourceforge.net>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 Permission is hereby granted, free of charge, to any person obtaining
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 a copy of this software and associated documentation files (the
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 "Software"), to deal in the Software without restriction, including
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 without limitation the rights to use, copy, modify, merge, publish,
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 distribute, sublicense, and/or sell copies of the Software, and to
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 permit persons to whom the Software is furnished to do so, subject to
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 the following conditions:
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 The above copyright notice and this permission notice shall be
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 included in all copies or substantial portions of the Software.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 #include <pthread.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 #include <sys/types.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 #include <sys/stat.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 #include <stdarg.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 #include <limits.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 #include <mach-o/dyld.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 #include <mach-o/nlist.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 #include <mach-o/getsect.h>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 #include "SDL_stdinc.h"
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 /* Just playing to see if it would compile with the freebsd headers, it does,
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 * but because of the different values for RTLD_LOCAL etc, it would break binary
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 * compat... oh well
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 #ifndef __BSD_VISIBLE
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 #define __BSD_VISIBLE 1
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 /include "dlfcn.h"/
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 #ifdef __cplusplus
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	88 extern "C"
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	89 {
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 #if defined (__GNUC__) && __GNUC__ > 3
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 #define dl_restrict __restrict
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 #else
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 #define dl_restrict
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 #if 0
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 #ifndef _POSIX_SOURCE
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 * Structure filled in by dladdr().
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	103 typedef struct SDL_OSX_dl_info
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	104 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	105 const char dli_fname; / Pathname of shared object */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	106 void dli_fbase; / Base address of shared object */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	107 const char dli_sname; / Name of nearest symbol */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	108 void dli_saddr; / Address of nearest symbol */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	109 } SDL_OSX_Dl_info;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	111 static int SDL_OSX_dladdr(const void *dl_restrict,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	112 SDL_OSX_Dl_info * dl_restrict);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	113 #endif /* ! _POSIX_SOURCE */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	114 #endif /* 0 */
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	116 static int SDL_OSX_dlclose(void *handle);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	117 static const char *SDL_OSX_dlerror(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	118 static void SDL_OSX_dlopen(const char path, int mode);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	119 static void SDL_OSX_dlsym(void dl_restrict handle,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	120 const char *dl_restrict symbol);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122 #define RTLD_LAZY 0x1
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 #define RTLD_NOW 0x2
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 #define RTLD_LOCAL 0x4
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 #define RTLD_GLOBAL 0x8
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 #ifndef _POSIX_SOURCE
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 #define RTLD_NOLOAD 0x10
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 #define RTLD_NODELETE 0x80
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 * Special handle arguments for SDL_OSX_dlsym().
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	134 #define RTLD_NEXT ((void ) -1) / Search subsequent objects. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	135 #define RTLD_DEFAULT ((void ) -2) / Use default search algorithm. */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	136 #endif /* ! _POSIX_SOURCE */
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 #ifdef __cplusplus
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 #ifndef dl_restrict
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 #define dl_restrict __restrict
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 /* This is not available on 10.1 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 #ifndef LC_LOAD_WEAK_DYLIB
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 #define LC_LOAD_WEAK_DYLIB (0x18 \| LC_REQ_DYLD)
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 /* With this stuff here, this thing may actually compile/run on 10.0 systems
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 * Not that I have a 10.0 system to test it on anylonger
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 #ifndef LC_REQ_DYLD
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 #define LC_REQ_DYLD 0x80000000
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 #ifndef NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 #define NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED 0x4
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 #ifndef NSADDIMAGE_OPTION_RETURN_ON_ERROR
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 #define NSADDIMAGE_OPTION_RETURN_ON_ERROR 0x1
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 #ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 #define NSLOOKUPSYMBOLINIMAGE_OPTION_BIND 0x0
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 #ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 #define NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR 0x4
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 /* These symbols will be looked for in dyld */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	169 static const struct mach_header (dyld_NSAddImage) (const char *,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	170 unsigned long) = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	171 static int (dyld_NSIsSymbolNameDefinedInImage) (const struct mach_header ,
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	172 const char *) = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	173 static NSSymbol(dyld_NSLookupSymbolInImage) (const struct mach_header ,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	174 const char *, unsigned long) =
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	175 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 /* Define this to make dlcompat reuse data block. This way in theory we save
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 * a little bit of overhead. However we then couldn't correctly catch excess
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 * calls to SDL_OSX_dlclose(). Hence we don't use this feature
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 #undef REUSE_STATUS
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 /* Size of the internal error message buffer (used by dlerror()) */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 #define ERR_STR_LEN 251
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 /* Maximum number of search paths supported by getSearchPath */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 #define MAX_SEARCH_PATHS 32
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 #define MAGIC_DYLIB_OFI ((NSObjectFileImage) 'DYOF')
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 #define MAGIC_DYLIB_MOD ((NSModule) 'DYMO')
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 /* internal flags */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 #define DL_IN_LIST 0x01
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 /* our mutex */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 static pthread_mutex_t dlcompat_mutex;
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 /* Our thread specific storage
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 static pthread_key_t dlerror_key;
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 struct dlthread
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	204 int lockcnt;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	205 unsigned char errset;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	206 char errstr[ERR_STR_LEN];
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 };
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 /* This is our central data structure. Whenever a module is loaded via
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 * SDL_OSX_dlopen(), we create such a struct.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 struct dlstatus
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	214 struct dlstatus next; / pointer to next element in the linked list */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	215 NSModule module;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	216 const struct mach_header *lib;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	217 int refs; /* reference count */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	218 int mode; /* mode in which this module was loaded */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	219 dev_t device;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	220 ino_t inode;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	221 int flags; /* Any internal flags we may need */
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 };
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 /* Head node of the dlstatus list */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	225 static struct dlstatus mainStatus =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	226 { 0, MAGIC_DYLIB_MOD, NULL, -1, RTLD_GLOBAL, 0, 0, 0 };
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 static struct dlstatus *stqueue = &mainStatus;
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 /* Storage for the last error message (used by dlerror()) */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 /* static char err_str[ERR_STR_LEN]; */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 /* static int err_filled = 0; */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 /* Prototypes to internal functions */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	235 static void debug(const char *fmt, ...);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	236 static void error(const char *str, ...);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	237 static const char safegetenv(const char s);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	238 static const char *searchList(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	239 static const char *getSearchPath(int i);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	240 static const char getFullPath(int i, const char file);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	241 static const struct stat findFile(const char file, const char **fullPath);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	242 static int isValidStatus(struct dlstatus *status);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	243 static inline int isFlagSet(int mode, int flag);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	244 static struct dlstatus lookupStatus(const struct stat sbuf);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	245 static void insertStatus(struct dlstatus dls, const struct stat sbuf);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	246 static int promoteLocalToGlobal(struct dlstatus *dls);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	247 static void reference(struct dlstatus dls, int mode);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	248 static void dlsymIntern(struct dlstatus dls, const char *symbol,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	249 int canSetError);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	250 static struct dlstatus *allocStatus(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	251 static struct dlstatus loadModule(const char path, const struct stat *sbuf,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	252 int mode);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	253 static NSSymbol search_linked_libs(const struct mach_header *mh,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	254 const char *symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	255 static const char get_lib_name(const struct mach_header mh);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	256 static const struct mach_header *get_mach_header_from_NSModule(NSModule mod);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	257 static void dlcompat_init_func(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	258 static inline void dlcompat_init_check(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	259 static inline void dolock(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	260 static inline void dounlock(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	261 static void dlerrorfree(void *data);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	262 static void resetdlerror(void);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	263 static const struct mach_header my_find_image(const char name);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	264 static const struct mach_header image_for_address(const void address);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	265 static inline char *dyld_error_str(void);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 #if FINK_BUILD
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 /* Two Global Functions */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	269 static void dlsym_prepend_underscore(void handle, const char *symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	270 static void dlsym_auto_underscore(void handle, const char *symbol);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 /* And their _intern counterparts */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	273 static void dlsym_prepend_underscore_intern(void handle,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	274 const char *symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	275 static void dlsym_auto_underscore_intern(void handle, const char *symbol);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 /* Functions */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	280 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	281 debug(const char *fmt, ...)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 {
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 #if DEBUG > 1
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	284 va_list arg;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	285 va_start(arg, fmt);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	286 fprintf(stderr, "DLDEBUG: ");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	287 vfprintf(stderr, fmt, arg);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	288 fprintf(stderr, "\n");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	289 fflush(stderr);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	290 va_end(arg);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	294 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	295 error(const char *str, ...)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	297 va_list arg;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	298 struct dlthread *tss;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	299 char *err_str;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	300 va_start(arg, str);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	301 tss = pthread_getspecific(dlerror_key);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	302 err_str = tss->errstr;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	303 SDL_strlcpy(err_str, "dlcompat: ", ERR_STR_LEN);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	304 vsnprintf(err_str + 10, ERR_STR_LEN - 10, str, arg);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	305 va_end(arg);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	306 debug("ERROR: %s\n", err_str);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	307 tss->errset = 1;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	310 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	311 warning(const char *str)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 {
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 #if DEBUG > 0
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	314 fprintf(stderr, "WARNING: dlcompat: %s\n", str);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	318 static const char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	319 safegetenv(const char *s)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	321 const char *ss = SDL_getenv(s);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	322 return ss ? ss : "";
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 /* because this is only used for debugging and error reporting functions, we
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 * don't really care about how elegant it is... it could use the load
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 * commands to find the install name of the library, but...
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	329 static const char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	330 get_lib_name(const struct mach_header *mh)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	332 unsigned long count = _dyld_image_count();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	333 unsigned long i;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	334 const char *val = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	335 if (mh) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	336 for (i = 0; i < count; i++) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	337 if (mh == _dyld_get_image_header(i)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	338 val = _dyld_get_image_name(i);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	339 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	340 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	341 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	342 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	343 return val;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 /* Returns the mach_header for the module bu going through all the loaded images
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 * and finding the one with the same name as the module. There really ought to be
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 * an api for doing this, would be faster, but there isn't one right now
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	350 static const struct mach_header *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	351 get_mach_header_from_NSModule(NSModule mod)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	353 const char *mod_name = NSNameOfModule(mod);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	354 const struct mach_header *mh = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	355 unsigned long count = _dyld_image_count();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	356 unsigned long i;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	357 debug("Module name: %s", mod_name);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	358 for (i = 0; i < count; i++) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	359 if (!SDL_strcmp(mod_name, _dyld_get_image_name(i))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	360 mh = _dyld_get_image_header(i);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	361 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	362 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	363 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	364 return mh;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 /* Compute and return a list of all directories that we should search when
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 * trying to locate a module. We first look at the values of LD_LIBRARY_PATH
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 * and DYLD_LIBRARY_PATH, and then finally fall back to looking into
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 * /usr/lib and /lib. Since both of the environments variables can contain a
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 * list of colon seperated paths, we simply concat them and the two other paths
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 * into one big string, which we then can easily parse.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 * Splitting this string into the actual path list is done by getSearchPath()
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	376 static const char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	377 searchList()
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	379 size_t buf_size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	380 static char *buf = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	381 const char *ldlp = safegetenv("LD_LIBRARY_PATH");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	382 const char *dyldlp = safegetenv("DYLD_LIBRARY_PATH");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	383 const char *stdpath = SDL_getenv("DYLD_FALLBACK_LIBRARY_PATH");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	384 if (!stdpath)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	385 stdpath = "/usr/local/lib:/lib:/usr/lib";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	386 if (!buf) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	387 buf_size =
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	388 SDL_strlen(ldlp) + SDL_strlen(dyldlp) + SDL_strlen(stdpath) + 4;
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	389 buf = SDL_malloc(buf_size);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	390 SDL_snprintf(buf, buf_size, "%s%s%s%s%s%c", dyldlp,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	391 (dyldlp[0] ? ":" : ""), ldlp, (ldlp[0] ? ":" : ""),
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	392 stdpath, '\0');
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	393 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	394 return buf;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 /* Returns the ith search path from the list as computed by searchList() */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	398 static const char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	399 getSearchPath(int i)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	401 static const char *list = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	402 static char path = (char ) 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	403 static int end = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	404 static int numsize = MAX_SEARCH_PATHS;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	405 static char **tmp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	406 /* So we can call SDL_free() in the "destructor" we use i=-1 to return the alloc'd array */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	407 if (i == -1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	408 return (const char *) path;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	409 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	410 if (!path) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	411 path = (char ) SDL_calloc(MAX_SEARCH_PATHS, sizeof(char ));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	412 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	413 if (!list && !end)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	414 list = searchList();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	415 if (i >= (numsize)) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	416 debug("Increasing size for long PATH");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	417 tmp =
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	418 (char **) SDL_calloc((MAX_SEARCH_PATHS + numsize),
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	419 sizeof(char **));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	420 if (tmp) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	421 SDL_memcpy(tmp, path, sizeof(char *) numsize);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	422 SDL_free(path);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	423 path = tmp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	424 numsize += MAX_SEARCH_PATHS;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	425 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	426 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	427 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	428 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	430 while (!path[i] && !end) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	431 path[i] = strsep((char **) &list, ":");
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	433 if (path[i][0] == 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	434 path[i] = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	435 end = (list == 0);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	436 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	437 return path[i];
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	440 static const char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	441 getFullPath(int i, const char *file)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	443 static char buf[PATH_MAX];
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	444 const char *path = getSearchPath(i);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	445 if (path) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	446 SDL_snprintf(buf, PATH_MAX, "%s/%s", path, file);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	447 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	448 return path ? buf : 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 /* Given a file name, try to determine the full path for that file. Starts
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 * its search in the current directory, and then tries all paths in the
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 * search list in the order they are specified there.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	455 static const struct stat *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	456 findFile(const char file, const char *fullPath)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	458 int i = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	459 static struct stat sbuf;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	460 char *fileName;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	461 debug("finding file %s", file);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	462 *fullPath = file;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	463 if (0 == stat(file, &sbuf))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	464 return &sbuf;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	465 if (SDL_strchr(file, '/'))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	466 return 0; /* If the path had a / we don't look in env var places */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	467 fileName = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	468 if (!fileName)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	469 fileName = (char *) file;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	470 while ((*fullPath = getFullPath(i++, fileName))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	471 if (0 == stat(*fullPath, &sbuf))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	472 return &sbuf;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	473 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	474 ;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	475 return 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 /* Determine whether a given dlstatus is valid or not */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	479 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	480 isValidStatus(struct dlstatus *status)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	482 /* Walk the list to verify status is contained in it */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	483 struct dlstatus *dls = stqueue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	484 while (dls && status != dls)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	485 dls = dls->next;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	486 if (dls == 0)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	487 error("invalid handle");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	488 else if ((dls->module == 0) \|\| (dls->refs == 0))
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	489 error("handle to closed library");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	490 else
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	491 return TRUE;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	492 return FALSE;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	495 static inline int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	496 isFlagSet(int mode, int flag)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	498 return (mode & flag) == flag;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	501 static struct dlstatus *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	502 lookupStatus(const struct stat *sbuf)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	504 struct dlstatus *dls = stqueue;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	505 debug("looking for status");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	506 while (dls && ( /* isFlagSet(dls->mode, RTLD_UNSHARED) */ 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	507 \|\| sbuf->st_dev != dls->device
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	508 \|\| sbuf->st_ino != dls->inode))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	509 dls = dls->next;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	510 return dls;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	513 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	514 insertStatus(struct dlstatus dls, const struct stat sbuf)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	516 debug("inserting status");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	517 dls->inode = sbuf->st_ino;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	518 dls->device = sbuf->st_dev;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	519 dls->refs = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	520 dls->mode = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	521 if ((dls->flags & DL_IN_LIST) == 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	522 dls->next = stqueue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	523 stqueue = dls;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	524 dls->flags \|= DL_IN_LIST;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	525 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	528 static struct dlstatus *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	529 allocStatus()
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	531 struct dlstatus *dls;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 #ifdef REUSE_STATUS
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	533 dls = stqueue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	534 while (dls && dls->module)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	535 dls = dls->next;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	536 if (!dls)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 #endif
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	538 dls = SDL_calloc(sizeof(*dls), 1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	539 return dls;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	542 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	543 promoteLocalToGlobal(struct dlstatus *dls)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	545 static int (*p) (NSModule module) = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	546 debug("promoting");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	547 if (!p)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	548 _dyld_func_lookup("__dyld_NSMakePrivateModulePublic", (void **) &p);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	549 return (dls->module == MAGIC_DYLIB_MOD) \|\| (p && p(dls->module));
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	552 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	553 reference(struct dlstatus *dls, int mode)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	555 if (dls) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	556 if (dls->module == MAGIC_DYLIB_MOD && isFlagSet(mode, RTLD_LOCAL)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	557 warning("trying to open a .dylib with RTLD_LOCAL");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	558 error("unable to open a .dylib with RTLD_LOCAL");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	559 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	560 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	561 if (isFlagSet(mode, RTLD_GLOBAL) && !isFlagSet(dls->mode, RTLD_GLOBAL)
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	562 && !promoteLocalToGlobal(dls)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	563 error("unable to promote local module to global");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	564 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	565 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	566 dls->mode \|= mode;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	567 dls->refs++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	568 } else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	569 debug("reference called with NULL argument");
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	571 return dls;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	574 static const struct mach_header *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	575 my_find_image(const char *name)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	577 const struct mach_header *mh = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	578 const char *id = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	579 int i = _dyld_image_count();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	580 int j;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	581 mh = (struct mach_header *)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	582 dyld_NSAddImage(name, NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED \|
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	583 NSADDIMAGE_OPTION_RETURN_ON_ERROR);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	584 if (!mh) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	585 for (j = 0; j < i; j++) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	586 id = _dyld_get_image_name(j);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	587 if (!SDL_strcmp(id, name)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	588 mh = _dyld_get_image_header(j);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	589 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	590 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	591 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	592 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	593 return mh;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 * dyld adds libraries by first adding the directly dependant libraries in link order, and
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 * then adding the dependencies for those libraries, so we should do the same... but we don't
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 * bother adding the extra dependencies, if the symbols are neither in the loaded image nor
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 * any of it's direct dependencies, then it probably isn't there.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	602 static NSSymbol
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	603 search_linked_libs(const struct mach_header mh, const char symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	605 unsigned int n;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	606 struct load_command *lc = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	607 struct mach_header *wh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	608 NSSymbol nssym = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	609 if (dyld_NSAddImage && dyld_NSIsSymbolNameDefinedInImage
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	610 && dyld_NSLookupSymbolInImage) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	611 lc = (struct load_command ) ((char ) mh +
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	612 sizeof(struct mach_header));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	613 for (n = 0; n < mh->ncmds;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	614 n++, lc = (struct load_command ) ((char ) lc + lc->cmdsize)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	615 if ((LC_LOAD_DYLIB == lc->cmd)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	616 \|\| (LC_LOAD_WEAK_DYLIB == lc->cmd)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	617 if ((wh = (struct mach_header *)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	618 my_find_image((char
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	619 ) (((struct dylib_command ) lc)->
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	620 dylib.name.offset + (char *) lc)))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	621 if (dyld_NSIsSymbolNameDefinedInImage(wh, symbol)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	622 nssym = dyld_NSLookupSymbolInImage(wh,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	623 symbol,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	624 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	625 \|
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	626 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	627 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	628 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	629 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	630 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	631 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	632 if ((!nssym) && NSIsSymbolNameDefined(symbol)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	633 /* I've never seen this debug message... */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	634 debug("Symbol \"%s\" is defined but was not found", symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	635 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	636 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	637 return nssym;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 /* Up to the caller to SDL_free() returned string */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	641 static inline char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	642 dyld_error_str()
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	644 NSLinkEditErrors dylder;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	645 int dylderno;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	646 const char *dylderrstr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	647 const char *dyldfile;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	648 char *retStr = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	649 NSLinkEditError(&dylder, &dylderno, &dyldfile, &dylderrstr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	650 if (dylderrstr && *dylderrstr) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	651 retStr = SDL_strdup(dylderrstr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	652 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	653 return retStr;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	656 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	657 dlsymIntern(struct dlstatus dls, const char symbol, int canSetError)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	659 NSSymbol nssym = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	660 #ifdef __GCC__
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	661 void caller = __builtin_return_address(1); / Be very careful about inlining */
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 #else
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	663 void *caller = NULL;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	665 const struct mach_header *caller_mh = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	666 char *savedErrorStr = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	667 resetdlerror();
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 #ifndef RTLD_SELF
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 #define RTLD_SELF ((void *) -3)
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 #endif
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	671 if (NULL == dls)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	672 dls = RTLD_SELF;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	673 if ((RTLD_NEXT == dls) \|\| (RTLD_SELF == dls)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	674 if (dyld_NSIsSymbolNameDefinedInImage && dyld_NSLookupSymbolInImage
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	675 && caller) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	676 caller_mh = image_for_address(caller);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	677 if (RTLD_SELF == dls) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	678 /* FIXME: We should be using the NSModule api, if SELF is an MH_BUNDLE
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	679 * But it appears to work anyway, and looking at the code in dyld_libfuncs.c
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	680 * this is acceptable.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	681 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	682 if (dyld_NSIsSymbolNameDefinedInImage(caller_mh, symbol)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	683 nssym = dyld_NSLookupSymbolInImage(caller_mh,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	684 symbol,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	685 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	686 \|
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	687 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	688 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	689 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	690 if (!nssym) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	691 if (RTLD_SELF == dls)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	692 savedErrorStr = dyld_error_str();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	693 nssym = search_linked_libs(caller_mh, symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	694 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	695 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	696 if (canSetError)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	697 error("RTLD_SELF and RTLD_NEXT are not supported");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	698 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	699 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	700 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	701 if (!nssym) {
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	703 if (RTLD_DEFAULT == dls) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	704 dls = &mainStatus;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	705 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	706 if (!isValidStatus(dls))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	707 return NULL;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	709 if (dls->module != MAGIC_DYLIB_MOD) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	710 nssym = NSLookupSymbolInModule(dls->module, symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	711 if (!nssym && NSIsSymbolNameDefined(symbol)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	712 debug("Searching dependencies");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	713 savedErrorStr = dyld_error_str();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	714 nssym =
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	715 search_linked_libs(get_mach_header_from_NSModule
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	716 (dls->module), symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	717 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	718 } else if (dls->lib && dyld_NSIsSymbolNameDefinedInImage
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	719 && dyld_NSLookupSymbolInImage) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	720 if (dyld_NSIsSymbolNameDefinedInImage(dls->lib, symbol)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	721 nssym = dyld_NSLookupSymbolInImage(dls->lib,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	722 symbol,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	723 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	724 \|
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	725 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	726 } else if (NSIsSymbolNameDefined(symbol)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	727 debug("Searching dependencies");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	728 savedErrorStr = dyld_error_str();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	729 nssym = search_linked_libs(dls->lib, symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	730 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	731 } else if (dls->module == MAGIC_DYLIB_MOD) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	732 /* Global context, use NSLookupAndBindSymbol */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	733 if (NSIsSymbolNameDefined(symbol)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	734 /* There doesn't seem to be a return on error option for this call???
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	735 this is potentially broken, if binding fails, it will improperly
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	736 exit the application. */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	737 nssym = NSLookupAndBindSymbol(symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	738 } else {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	739 if (savedErrorStr)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	740 SDL_free(savedErrorStr);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	741 savedErrorStr = SDL_malloc(256);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	742 SDL_snprintf(savedErrorStr, 256,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	743 "Symbol \"%s\" not in global context", symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	744 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	745 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	746 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	747 /* Error reporting */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	748 if (!nssym) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	749 if (!savedErrorStr \|\| !SDL_strlen(savedErrorStr)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	750 if (savedErrorStr)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	751 SDL_free(savedErrorStr);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	752 savedErrorStr = SDL_malloc(256);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	753 SDL_snprintf(savedErrorStr, 256, "Symbol \"%s\" not found",
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	754 symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	755 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	756 if (canSetError) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	757 error(savedErrorStr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	758 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	759 debug(savedErrorStr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	760 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	761 if (savedErrorStr)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	762 SDL_free(savedErrorStr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	763 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	764 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	765 return NSAddressOfSymbol(nssym);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	768 static struct dlstatus *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	769 loadModule(const char path, const struct stat sbuf, int mode)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	771 NSObjectFileImage ofi = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	772 NSObjectFileImageReturnCode ofirc;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	773 struct dlstatus *dls;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	774 NSLinkEditErrors ler;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	775 int lerno;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	776 const char *errstr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	777 const char *file;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	778 void (*init) (void);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	780 ofirc = NSCreateObjectFileImageFromFile(path, &ofi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	781 switch (ofirc) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	782 case NSObjectFileImageSuccess:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	783 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	784 case NSObjectFileImageInappropriateFile:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	785 if (dyld_NSAddImage && dyld_NSIsSymbolNameDefinedInImage
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	786 && dyld_NSLookupSymbolInImage) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	787 if (isFlagSet(mode, RTLD_LOCAL)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	788 warning("trying to open a .dylib with RTLD_LOCAL");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	789 error("unable to open this file with RTLD_LOCAL");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	790 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	791 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	792 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	793 error("opening this file is unsupported on this system");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	794 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	795 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	796 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	797 case NSObjectFileImageFailure:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	798 error("object file setup failure");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	799 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	800 case NSObjectFileImageArch:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	801 error("no object for this architecture");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	802 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	803 case NSObjectFileImageFormat:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	804 error("bad object file format");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	805 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	806 case NSObjectFileImageAccess:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	807 error("can't read object file");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	808 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	809 default:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	810 error("unknown error from NSCreateObjectFileImageFromFile()");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	811 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	812 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	813 dls = lookupStatus(sbuf);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	814 if (!dls) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	815 dls = allocStatus();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	816 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	817 if (!dls) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	818 error("unable to allocate memory");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	819 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	820 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	821 // dls->lib = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	822 if (ofirc == NSObjectFileImageInappropriateFile) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	823 if ((dls->lib =
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	824 dyld_NSAddImage(path, NSADDIMAGE_OPTION_RETURN_ON_ERROR))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	825 debug("Dynamic lib loaded at %ld", dls->lib);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	826 ofi = MAGIC_DYLIB_OFI;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	827 dls->module = MAGIC_DYLIB_MOD;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	828 ofirc = NSObjectFileImageSuccess;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	829 /* Although it is possible with a bit of work to modify this so it works and
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	830 functions with RTLD_NOW, I don't deem it necessary at the moment */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	831 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	832 if (!(dls->module)) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	833 NSLinkEditError(&ler, &lerno, &file, &errstr);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	834 if (!errstr \|\| (!SDL_strlen(errstr)))
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	835 error("Can't open this file type");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	836 else
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	837 error(errstr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	838 if ((dls->flags & DL_IN_LIST) == 0) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	839 SDL_free(dls);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	840 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	841 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	842 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	843 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	844 dls->module = NSLinkModule(ofi, path,
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	845 NSLINKMODULE_OPTION_RETURN_ON_ERROR \|
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	846 NSLINKMODULE_OPTION_PRIVATE \|
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	847 (isFlagSet(mode, RTLD_NOW) ?
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	848 NSLINKMODULE_OPTION_BINDNOW : 0));
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	849 NSDestroyObjectFileImage(ofi);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	850 if (dls->module) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	851 dls->lib = get_mach_header_from_NSModule(dls->module);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	852 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	853 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	854 if (!dls->module) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	855 NSLinkEditError(&ler, &lerno, &file, &errstr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	856 if ((dls->flags & DL_IN_LIST) == 0) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	857 SDL_free(dls);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	858 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	859 error(errstr);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	860 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	861 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	863 insertStatus(dls, sbuf);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	864 dls = reference(dls, mode);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	865 if ((init = dlsymIntern(dls, "__init", 0))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	866 debug("calling _init()");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	867 init();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	868 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	869 return dls;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	870 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	872 inline static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	873 dlcompat_init_check(void)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	875 static pthread_mutex_t l = PTHREAD_MUTEX_INITIALIZER;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	876 static int init_done = 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	878 pthread_mutex_lock(&l);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	879 if (!init_done) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	880 dlcompat_init_func();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	881 init_done = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	882 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	883 pthread_mutex_unlock(&l);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	886 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	887 dlcompat_init_func(void)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	889 _dyld_func_lookup("__dyld_NSAddImage", (void **) &dyld_NSAddImage);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	890 _dyld_func_lookup("__dyld_NSIsSymbolNameDefinedInImage",
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	891 (void **) &dyld_NSIsSymbolNameDefinedInImage);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	892 _dyld_func_lookup("__dyld_NSLookupSymbolInImage",
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	893 (void **) &dyld_NSLookupSymbolInImage);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	894 if (pthread_mutex_init(&dlcompat_mutex, NULL))
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	895 exit(1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	896 if (pthread_key_create(&dlerror_key, &dlerrorfree))
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	897 exit(1);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	900 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	901 resetdlerror()
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	903 struct dlthread *tss;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	904 tss = pthread_getspecific(dlerror_key);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	905 tss->errset = 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	908 static void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	909 dlerrorfree(void *data)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	911 SDL_free(data);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	913
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914 /* We kind of want a recursive lock here, but meet a little trouble
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915 * because they are not available pre OS X 10.2, so we fake it
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	916 * using thread specific storage to keep a lock count
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	917 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	918 static inline void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	919 dolock(void)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	920 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	921 int err = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	922 struct dlthread *tss;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	923 dlcompat_init_check();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	924 tss = pthread_getspecific(dlerror_key);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	925 if (!tss) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	926 tss = SDL_malloc(sizeof(struct dlthread));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	927 tss->lockcnt = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	928 tss->errset = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	929 if (pthread_setspecific(dlerror_key, tss)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	930 fprintf(stderr, "dlcompat: pthread_setspecific failed\n");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	931 exit(1);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	932 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	933 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	934 if (!tss->lockcnt)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	935 err = pthread_mutex_lock(&dlcompat_mutex);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	936 tss->lockcnt = tss->lockcnt + 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	937 if (err)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	938 exit(err);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	940
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	941 static inline void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	942 dounlock(void)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	944 int err = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	945 struct dlthread *tss;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	946 tss = pthread_getspecific(dlerror_key);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	947 tss->lockcnt = tss->lockcnt - 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	948 if (!tss->lockcnt)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	949 err = pthread_mutex_unlock(&dlcompat_mutex);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	950 if (err)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	951 exit(err);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	953
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	954 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	955 SDL_OSX_dlopen(const char *path, int mode)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	956 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	957 const struct stat *sbuf;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	958 struct dlstatus *dls;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	959 const char *fullPath;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	960
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	961 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	962 resetdlerror();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	963 if (!path) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	964 dls = &mainStatus;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	965 goto dlopenok;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	966 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	967 if (!(sbuf = findFile(path, &fullPath))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	968 error("file \"%s\" not found", path);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	969 goto dlopenerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	970 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	971 /* Now checks that it hasn't been closed already */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	972 if ((dls = lookupStatus(sbuf)) && (dls->refs > 0)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	973 /* debug("status found"); */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	974 dls = reference(dls, mode);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	975 goto dlopenok;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	976 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	977 #ifdef RTLD_NOLOAD
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	978 if (isFlagSet(mode, RTLD_NOLOAD)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	979 error("no existing handle and RTLD_NOLOAD specified");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	980 goto dlopenerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	981 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	982 #endif
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	983 if (isFlagSet(mode, RTLD_LAZY) && isFlagSet(mode, RTLD_NOW)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	984 error("how can I load something both RTLD_LAZY and RTLD_NOW?");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	985 goto dlopenerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	986 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	987 dls = loadModule(fullPath, sbuf, mode);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	988
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	989 dlopenok:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	990 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	991 return (void *) dls;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	992 dlopenerror:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	993 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	994 return NULL;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	995 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	996
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	997 #if !FINK_BUILD
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	998 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	999 SDL_OSX_dlsym(void dl_restrict handle, const char dl_restrict symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1000 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1001 int sym_len = SDL_strlen(symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1002 void *value = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1003 char *malloc_sym = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1004 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1005 malloc_sym = SDL_malloc(sym_len + 2);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1006 if (malloc_sym) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1007 SDL_snprintf(malloc_sym, sym_len + 2, "_%s", symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1008 value = dlsymIntern(handle, malloc_sym, 1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1009 SDL_free(malloc_sym);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1010 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1011 error("Unable to allocate memory");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1012 goto dlsymerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1013 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1014 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1015 return value;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1016 dlsymerror:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1017 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1018 return NULL;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1019 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1020 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1021
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1022 #if FINK_BUILD
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1024 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1025 dlsym_prepend_underscore(void handle, const char symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1026 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1027 void *answer;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1028 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1029 answer = dlsym_prepend_underscore_intern(handle, symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1030 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1031 return answer;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1032 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1033
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1034 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1035 dlsym_prepend_underscore_intern(void handle, const char symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1036 {
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1037 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1038 * A quick and easy way for porting packages which call dlsym(handle,"sym")
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1039 * If the porter adds -Ddlsym=dlsym_prepend_underscore to the CFLAGS then
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1040 * this function will be called, and will add the required underscore.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1041 *
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1042 * Note that I haven't figured out yet which should be "standard", prepend
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1043 * the underscore always, or not at all. These global functions need to go away
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1044 * for opendarwin.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1045 */
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1046 int sym_len = SDL_strlen(symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1047 void *value = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1048 char *malloc_sym = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1049 malloc_sym = SDL_malloc(sym_len + 2);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1050 if (malloc_sym) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1051 SDL_snprintf(malloc_sym, sym_len + 2, "_%s", symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1052 value = dlsymIntern(handle, malloc_sym, 1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1053 SDL_free(malloc_sym);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1054 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1055 error("Unable to allocate memory");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1056 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1057 return value;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1058 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1059
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1060 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1061 dlsym_auto_underscore(void handle, const char symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1062 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1063 void *answer;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1064 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1065 answer = dlsym_auto_underscore_intern(handle, symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1066 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1067 return answer;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1068
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1069 }
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1070 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1071 dlsym_auto_underscore_intern(void handle, const char symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1072 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1073 struct dlstatus *dls = handle;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1074 void *addr = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1075 addr = dlsymIntern(dls, symbol, 0);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1076 if (!addr)
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1077 addr = dlsym_prepend_underscore_intern(handle, symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1078 return addr;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1079 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1080
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1081
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1082 static void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1083 SDL_OSX_dlsym(void dl_restrict handle, const char dl_restrict symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1084 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1085 struct dlstatus *dls = handle;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1086 void *addr = 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1087 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1088 addr = dlsymIntern(dls, symbol, 1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1089 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1090 return addr;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1091 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1092 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1093
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1094 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1095 SDL_OSX_dlclose(void *handle)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1096 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1097 struct dlstatus *dls = handle;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1098 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1099 resetdlerror();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1100 if (!isValidStatus(dls)) {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1101 goto dlcloseerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1102 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1103 if (dls->module == MAGIC_DYLIB_MOD) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1104 const char *name;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1105 if (!dls->lib) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1106 name = "global context";
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1107 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1108 name = get_lib_name(dls->lib);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1109 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1110 warning("trying to close a .dylib!");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1111 error("Not closing \"%s\" - dynamic libraries cannot be closed",
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1112 name);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1113 goto dlcloseerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1114 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1115 if (!dls->module) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1116 error("module already closed");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1117 goto dlcloseerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1118 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1119
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1120 if (dls->refs == 1) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1121 unsigned long options = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1122 void (*fini) (void);
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1123 if ((fini = dlsymIntern(dls, "__fini", 0))) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1124 debug("calling _fini()");
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1125 fini();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1126 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1127 options \|= NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1128 #ifdef RTLD_NODELETE
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1129 if (isFlagSet(dls->mode, RTLD_NODELETE))
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1130 options \|= NSUNLINKMODULE_OPTION_KEEP_MEMORY_MAPPED;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1131 #endif
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1132 if (!NSUnLinkModule(dls->module, options)) {
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1133 error("unable to unlink module");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1134 goto dlcloseerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1135 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1136 dls->refs--;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1137 dls->module = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1138 /* Note: the dlstatus struct dls is neither removed from the list
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1139 * nor is the memory it occupies freed. This shouldn't pose a
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1140 * problem in mostly all cases, though.
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1141 */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1142 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1143 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1144 return 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1145 dlcloseerror:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1146 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1147 return 1;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1148 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1149
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1150 static const char *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1151 SDL_OSX_dlerror(void)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1152 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1153 struct dlthread *tss;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1154 const char *err_str = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1155 dlcompat_init_check();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1156 tss = pthread_getspecific(dlerror_key);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1157 if (tss != NULL && tss->errset != 0) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1158 tss->errset = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1159 err_str = tss->errstr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1160 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1161 return (err_str);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1162 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1163
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1164 /* Given an address, return the mach_header for the image containing it
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1165 * or zero if the given address is not contained in any loaded images.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1166 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1167 static const struct mach_header *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1168 image_for_address(const void *address)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1169 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1170 unsigned long i;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1171 unsigned long j;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1172 unsigned long count = _dyld_image_count();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1173 const struct mach_header *mh = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1174 struct load_command *lc = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1175 unsigned long addr = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1176 for (i = 0; i < count; i++) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1177 addr = (unsigned long) address - _dyld_get_image_vmaddr_slide(i);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1178 mh = _dyld_get_image_header(i);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1179 if (mh) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1180 lc = (struct load_command ) ((char ) mh +
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1181 sizeof(struct mach_header));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1182 for (j = 0; j < mh->ncmds;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1183 j++, lc =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1184 (struct load_command ) ((char ) lc + lc->cmdsize)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1185 if (LC_SEGMENT == lc->cmd &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1186 addr >= ((struct segment_command *) lc)->vmaddr &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1187 addr <
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1188 ((struct segment_command *) lc)->vmaddr +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1189 ((struct segment_command *) lc)->vmsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1190 goto image_found;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1191 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1192 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1193 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1194 mh = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1195 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1196 image_found:
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1197 return mh;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1198 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1199
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1200 #if 0 /* unused */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1201 static int
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1202 SDL_OSX_dladdr(const void dl_restrict p, SDL_OSX_Dl_info dl_restrict info)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1203 {
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1204 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1205 FIXME: USe the routine image_for_address.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1206 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1207 unsigned long i;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1208 unsigned long j;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1209 unsigned long count = _dyld_image_count();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1210 struct mach_header *mh = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1211 struct load_command *lc = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1212 unsigned long addr = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1213 unsigned long table_off = (unsigned long) 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1214 int found = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1215 if (!info)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1216 return 0;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1217 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1218 resetdlerror();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1219 info->dli_fname = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1220 info->dli_fbase = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1221 info->dli_sname = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1222 info->dli_saddr = 0;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1223 /* Some of this was swiped from code posted by Douglas Davidson <ddavidso AT apple DOT com>
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1224 * to darwin-development AT lists DOT apple DOT com and slightly modified
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1225 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1226 for (i = 0; i < count; i++) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1227 addr = (unsigned long) p - _dyld_get_image_vmaddr_slide(i);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1228 mh = _dyld_get_image_header(i);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1229 if (mh) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1230 lc = (struct load_command ) ((char ) mh +
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1231 sizeof(struct mach_header));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1232 for (j = 0; j < mh->ncmds;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1233 j++, lc =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1234 (struct load_command ) ((char ) lc + lc->cmdsize)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1235 if (LC_SEGMENT == lc->cmd &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1236 addr >= ((struct segment_command *) lc)->vmaddr &&
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1237 addr <
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1238 ((struct segment_command *) lc)->vmaddr +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1239 ((struct segment_command *) lc)->vmsize) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1240 info->dli_fname = _dyld_get_image_name(i);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1241 info->dli_fbase = (void *) mh;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1242 found = 1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1243 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1244 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1245 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1246 if (found)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1247 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1248 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1249 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1250 if (!found) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1251 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1252 return 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1253 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1254 lc = (struct load_command ) ((char ) mh + sizeof(struct mach_header));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1255 for (j = 0; j < mh->ncmds;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1256 j++, lc = (struct load_command ) ((char ) lc + lc->cmdsize)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1257 if (LC_SEGMENT == lc->cmd) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1258 if (!SDL_strcmp
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1259 (((struct segment_command *) lc)->segname, "__LINKEDIT"))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1260 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1261 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1262 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1263 table_off =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1264 ((unsigned long) ((struct segment_command *) lc)->vmaddr) -
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1265 ((unsigned long) ((struct segment_command *) lc)->fileoff) +
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1266 _dyld_get_image_vmaddr_slide(i);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1267 debug("table off %x", table_off);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1268
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1269 lc = (struct load_command ) ((char ) mh + sizeof(struct mach_header));
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1270 for (j = 0; j < mh->ncmds;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1271 j++, lc = (struct load_command ) ((char ) lc + lc->cmdsize)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1272 if (LC_SYMTAB == lc->cmd) {
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1273
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1274 struct nlist *symtable =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1275 (struct nlist ) (((struct symtab_command ) lc)->symoff +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1276 table_off);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1277 unsigned long numsyms = ((struct symtab_command *) lc)->nsyms;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1278 struct nlist *nearest = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1279 unsigned long diff = 0xffffffff;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1280 unsigned long strtable =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1281 (unsigned long) (((struct symtab_command *) lc)->stroff +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1282 table_off);
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1283 debug("symtable %x", symtable);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1284 for (i = 0; i < numsyms; i++) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1285 /* Ignore the following kinds of Symbols */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1286 if ((!symtable->n_value) /* Undefined */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1287 \|\|(symtable->n_type >= N_PEXT) /* Debug symbol */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1288 \|\|(!(symtable->n_type & N_EXT)) /* Local Symbol */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1289 ) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1290 symtable++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1291 continue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1292 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1293 if ((addr >= symtable->n_value)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1294 && (diff >= (symtable->n_value - addr))) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1295 diff = (unsigned long) symtable->n_value - addr;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1296 nearest = symtable;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1297 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1298 symtable++;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1299 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1300 if (nearest) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1301 info->dli_saddr = nearest->n_value + ((void *) p - addr);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1302 info->dli_sname = (char *) (strtable + nearest->n_un.n_strx);
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1303 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1304 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1305 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1306 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1307 return 1;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1308 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1309 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1310
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1311 /*
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1312 * Implement the dlfunc() interface, which behaves exactly the same as
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1313 * dlsym() except that it returns a function pointer instead of a data
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1314 * pointer. This can be used by applications to avoid compiler warnings
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1315 * about undefined behavior, and is intended as prior art for future
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1316 * POSIX standardization. This function requires that all pointer types
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1317 * have the same representation, which is true on all platforms FreeBSD
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1318 * runs on, but is not guaranteed by the C standard.
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1319 */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1320 #if 0
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1321 static dlfunc_t
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1322 SDL_OSX_dlfunc(void dl_restrict handle, const char dl_restrict symbol)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1323 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1324 union
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1325 {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1326 void *d;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1327 dlfunc_t f;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1328 } rv;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1329 int sym_len = SDL_strlen(symbol);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1330 char *malloc_sym = NULL;
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1331 dolock();
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1332 malloc_sym = SDL_malloc(sym_len + 2);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1333 if (malloc_sym) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1334 SDL_snprintf(malloc_sym, sym_len + 2, "_%s", symbol);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1335 rv.d = dlsymIntern(handle, malloc_sym, 1);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1336 SDL_free(malloc_sym);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1337 } else {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1338 error("Unable to allocate memory");
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1339 goto dlfuncerror;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1340 }
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1341 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1342 return rv.f;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1343 dlfuncerror:
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1344 dounlock();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1345 return NULL;
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1346 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1347 #endif
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1348
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1349
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1350
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1351 /* dlcompat ends, here's the SDL interface... --ryan. */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1352
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1353
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1354 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1355 /* System dependent library loading routines */
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1356
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1357 #include "SDL_loadso.h"
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1358
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1359 void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1360 SDL_LoadObject(const char *sofile)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1361 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1362 void *handle = SDL_OSX_dlopen(sofile, RTLD_NOW);
4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1363 const char *loaderror = SDL_OSX_dlerror();
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1364 if (handle == NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1365 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1366 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1367 return (handle);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1368 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1369
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1370 void *
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1371 SDL_LoadFunction(void handle, const char name)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1372 {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1373 void *symbol = SDL_OSX_dlsym(handle, name);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1374 if (symbol == NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1375 SDL_SetError("Failed loading %s: %s", name, SDL_OSX_dlerror());
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1376 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1377 return (symbol);
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1378 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1379
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1380 void
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1381 SDL_UnloadObject(void *handle)
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1382 {
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1383 if (handle != NULL) {
1668 4da1ee79c9af more tweaking indent options Sam Lantinga <slouken@libsdl.org> parents: 1662 diff changeset	1384 SDL_OSX_dlclose(handle);
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1385 }
1659 14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1386 }
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1387
14717b52abc0 Merge trunk-1.3-3 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1388 #endif /* SDL_LOADSO_DLCOMPAT */
1662 782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API. Sam Lantinga <slouken@libsdl.org> parents: 1659 diff changeset	1389 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/loadso/macosx/SDL_dlcompat.c @ 1717:e3637569ab86 SDL-1.3