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

annotate src/loadso/macosx/SDL_dlcompat.c @ 4109:cd2ab40f1219 SDL-1.2

Made the mprotect() fix for SDL_SoftStretch() more general for hardened linux, etc.

author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 29 Dec 2007 05:18:33 +0000
parents	e308d020d315
children	782fd950bd46 c121d94672cb a1b03ba2fcd0

rev	line source
1801 e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #ifdef SDL_LOADSO_DLCOMPAT
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 /* Please note that dlcompat apparently ships in current Mac OS X versions
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 * as a system library that provides compatibility with the Unix "dlopen"
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 * interface. In order to allow SDL to work on older OS X releases and also
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 * not conflict with the system lib on newer versions, we include dlcompat
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 * in SDL and change the symbols to prevent symbol clash with any existing
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 * system libraries. --ryan.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 /* here is the dlcompat license: */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 Copyright (c) 2002 Jorge Acereda <jacereda@users.sourceforge.net> &
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 Peter O'Gorman <ogorman@users.sourceforge.net>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 Portions may be copyright others, see the AUTHORS file included with this
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 distribution.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 Maintained by Peter O'Gorman <ogorman@users.sourceforge.net>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 Bug Reports and other queries should go to <ogorman@users.sourceforge.net>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 Permission is hereby granted, free of charge, to any person obtaining
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 a copy of this software and associated documentation files (the
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 "Software"), to deal in the Software without restriction, including
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 without limitation the rights to use, copy, modify, merge, publish,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 distribute, sublicense, and/or sell copies of the Software, and to
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 permit persons to whom the Software is furnished to do so, subject to
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 the following conditions:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 The above copyright notice and this permission notice shall be
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 included in all copies or substantial portions of the Software.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 #include <pthread.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 #include <sys/types.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 #include <sys/stat.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 #include <stdarg.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 #include <limits.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 #include <mach-o/dyld.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 #include <mach-o/nlist.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 #include <mach-o/getsect.h>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 #include "SDL_stdinc.h"
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 /* Just playing to see if it would compile with the freebsd headers, it does,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 * but because of the different values for RTLD_LOCAL etc, it would break binary
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 * compat... oh well
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 #ifndef __BSD_VISIBLE
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 #define __BSD_VISIBLE 1
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 /include "dlfcn.h"/
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 #ifdef __cplusplus
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 extern "C" {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 #if defined (__GNUC__) && __GNUC__ > 3
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 #define dl_restrict __restrict
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 #else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 #define dl_restrict
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 #if 0
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 #ifndef _POSIX_SOURCE
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 * Structure filled in by dladdr().
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 typedef struct SDL_OSX_dl_info {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 const char dli_fname; / Pathname of shared object */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 void dli_fbase; / Base address of shared object */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 const char dli_sname; / Name of nearest symbol */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 void dli_saddr; / Address of nearest symbol */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 } SDL_OSX_Dl_info;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 static int SDL_OSX_dladdr(const void * dl_restrict, SDL_OSX_Dl_info * dl_restrict);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 #endif /* ! _POSIX_SOURCE */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 #endif /* 0 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 static int SDL_OSX_dlclose(void * handle);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 static const char * SDL_OSX_dlerror(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 static void * SDL_OSX_dlopen(const char *path, int mode);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 static void * SDL_OSX_dlsym(void * dl_restrict handle, const char * dl_restrict symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 #define RTLD_LAZY 0x1
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 #define RTLD_NOW 0x2
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 #define RTLD_LOCAL 0x4
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 #define RTLD_GLOBAL 0x8
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 #ifndef _POSIX_SOURCE
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 #define RTLD_NOLOAD 0x10
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 #define RTLD_NODELETE 0x80
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 * Special handle arguments for SDL_OSX_dlsym().
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 #define RTLD_NEXT ((void ) -1) / Search subsequent objects. */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 #define RTLD_DEFAULT ((void ) -2) / Use default search algorithm. */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 #endif /* ! _POSIX_SOURCE */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 #ifdef __cplusplus
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138 #ifndef dl_restrict
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 #define dl_restrict __restrict
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 /* This is not available on 10.1 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 #ifndef LC_LOAD_WEAK_DYLIB
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 #define LC_LOAD_WEAK_DYLIB (0x18 \| LC_REQ_DYLD)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 /* With this stuff here, this thing may actually compile/run on 10.0 systems
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 * Not that I have a 10.0 system to test it on anylonger
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 #ifndef LC_REQ_DYLD
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 #define LC_REQ_DYLD 0x80000000
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 #ifndef NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 #define NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED 0x4
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 #ifndef NSADDIMAGE_OPTION_RETURN_ON_ERROR
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 #define NSADDIMAGE_OPTION_RETURN_ON_ERROR 0x1
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 #ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_BIND
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159 #define NSLOOKUPSYMBOLINIMAGE_OPTION_BIND 0x0
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 #ifndef NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 #define NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR 0x4
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 /* These symbols will be looked for in dyld */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 static const struct mach_header (dyld_NSAddImage) (const char *, unsigned long) = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 static int (dyld_NSIsSymbolNameDefinedInImage) (const struct mach_header , const char *) = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 static NSSymbol(*dyld_NSLookupSymbolInImage)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 (const struct mach_header , const char , unsigned long) = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170 /* Define this to make dlcompat reuse data block. This way in theory we save
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 * a little bit of overhead. However we then couldn't correctly catch excess
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 * calls to SDL_OSX_dlclose(). Hence we don't use this feature
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 #undef REUSE_STATUS
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 /* Size of the internal error message buffer (used by dlerror()) */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 #define ERR_STR_LEN 251
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179 /* Maximum number of search paths supported by getSearchPath */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 #define MAX_SEARCH_PATHS 32
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 #define MAGIC_DYLIB_OFI ((NSObjectFileImage) 'DYOF')
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 #define MAGIC_DYLIB_MOD ((NSModule) 'DYMO')
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 /* internal flags */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 #define DL_IN_LIST 0x01
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 /* our mutex */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 static pthread_mutex_t dlcompat_mutex;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 /* Our thread specific storage
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 static pthread_key_t dlerror_key;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 struct dlthread
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 int lockcnt;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 unsigned char errset;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 char errstr[ERR_STR_LEN];
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 };
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 /* This is our central data structure. Whenever a module is loaded via
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 * SDL_OSX_dlopen(), we create such a struct.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 struct dlstatus
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 struct dlstatus next; / pointer to next element in the linked list */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 NSModule module;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 const struct mach_header *lib;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 int refs; /* reference count */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 int mode; /* mode in which this module was loaded */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 dev_t device;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 ino_t inode;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 int flags; /* Any internal flags we may need */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 };
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 /* Head node of the dlstatus list */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 static struct dlstatus mainStatus = { 0, MAGIC_DYLIB_MOD, NULL, -1, RTLD_GLOBAL, 0, 0, 0 };
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 static struct dlstatus *stqueue = &mainStatus;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 /* Storage for the last error message (used by dlerror()) */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 /* static char err_str[ERR_STR_LEN]; */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 /* static int err_filled = 0; */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 /* Prototypes to internal functions */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 static void debug(const char *fmt, ...);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 static void error(const char *str, ...);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 static const char safegetenv(const char s);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 static const char *searchList(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 static const char *getSearchPath(int i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 static const char getFullPath(int i, const char file);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233 static const struct stat findFile(const char file, const char **fullPath);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 static int isValidStatus(struct dlstatus *status);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 static inline int isFlagSet(int mode, int flag);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 static struct dlstatus lookupStatus(const struct stat sbuf);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 static void insertStatus(struct dlstatus dls, const struct stat sbuf);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238 static int promoteLocalToGlobal(struct dlstatus *dls);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 static void reference(struct dlstatus dls, int mode);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 static void dlsymIntern(struct dlstatus dls, const char *symbol, int canSetError);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241 static struct dlstatus *allocStatus(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 static struct dlstatus loadModule(const char path, const struct stat *sbuf, int mode);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 static NSSymbol search_linked_libs(const struct mach_header mh, const char symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 static const char get_lib_name(const struct mach_header mh);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 static const struct mach_header *get_mach_header_from_NSModule(NSModule mod);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 static void dlcompat_init_func(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 static inline void dlcompat_init_check(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 static inline void dolock(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 static inline void dounlock(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 static void dlerrorfree(void *data);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 static void resetdlerror(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 static const struct mach_header my_find_image(const char name);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 static const struct mach_header image_for_address(const void address);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 static inline char *dyld_error_str(void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 #if FINK_BUILD
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257 /* Two Global Functions */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 static void dlsym_prepend_underscore(void handle, const char *symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 static void dlsym_auto_underscore(void handle, const char *symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 /* And their _intern counterparts */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 static void dlsym_prepend_underscore_intern(void handle, const char *symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263 static void dlsym_auto_underscore_intern(void handle, const char *symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 /* Functions */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 static void debug(const char *fmt, ...)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 #if DEBUG > 1
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 va_list arg;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 va_start(arg, fmt);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 fprintf(stderr, "DLDEBUG: ");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 vfprintf(stderr, fmt, arg);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 fprintf(stderr, "\n");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 fflush(stderr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 va_end(arg);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 static void error(const char *str, ...)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 va_list arg;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 struct dlthread *tss;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 char * err_str;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 va_start(arg, str);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 tss = pthread_getspecific(dlerror_key);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 err_str = tss->errstr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 SDL_strlcpy(err_str, "dlcompat: ", ERR_STR_LEN);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 vsnprintf(err_str + 10, ERR_STR_LEN - 10, str, arg);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 va_end(arg);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 debug("ERROR: %s\n", err_str);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 tss->errset = 1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 static void warning(const char *str)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 #if DEBUG > 0
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 fprintf(stderr, "WARNING: dlcompat: %s\n", str);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 static const char safegetenv(const char s)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 const char *ss = SDL_getenv(s);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 return ss ? ss : "";
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 /* because this is only used for debugging and error reporting functions, we
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 * don't really care about how elegant it is... it could use the load
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 * commands to find the install name of the library, but...
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 static const char get_lib_name(const struct mach_header mh)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 unsigned long count = _dyld_image_count();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 unsigned long i;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 const char *val = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 if (mh)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 for (i = 0; i < count; i++)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 if (mh == _dyld_get_image_header(i))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324 val = _dyld_get_image_name(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 return val;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 /* Returns the mach_header for the module bu going through all the loaded images
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 * and finding the one with the same name as the module. There really ought to be
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 * an api for doing this, would be faster, but there isn't one right now
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 static const struct mach_header *get_mach_header_from_NSModule(NSModule mod)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 const char *mod_name = NSNameOfModule(mod);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 const struct mach_header *mh = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 unsigned long count = _dyld_image_count();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 unsigned long i;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 debug("Module name: %s", mod_name);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 for (i = 0; i < count; i++)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 if (!SDL_strcmp(mod_name, _dyld_get_image_name(i)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 mh = _dyld_get_image_header(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 return mh;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 /* Compute and return a list of all directories that we should search when
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356 * trying to locate a module. We first look at the values of LD_LIBRARY_PATH
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 * and DYLD_LIBRARY_PATH, and then finally fall back to looking into
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 * /usr/lib and /lib. Since both of the environments variables can contain a
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 * list of colon seperated paths, we simply concat them and the two other paths
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 * into one big string, which we then can easily parse.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 * Splitting this string into the actual path list is done by getSearchPath()
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 static const char *searchList()
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 size_t buf_size;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 static char *buf=NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367 const char *ldlp = safegetenv("LD_LIBRARY_PATH");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 const char *dyldlp = safegetenv("DYLD_LIBRARY_PATH");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 const char *stdpath = SDL_getenv("DYLD_FALLBACK_LIBRARY_PATH");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 if (!stdpath)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 stdpath = "/usr/local/lib:/lib:/usr/lib";
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 if (!buf)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 buf_size = SDL_strlen(ldlp) + SDL_strlen(dyldlp) + SDL_strlen(stdpath) + 4;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 buf = SDL_malloc(buf_size);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 SDL_snprintf(buf, buf_size, "%s%s%s%s%s%c", dyldlp, (dyldlp[0] ? ":" : ""), ldlp, (ldlp[0] ? ":" : ""),
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 stdpath, '\0');
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 return buf;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 /* Returns the ith search path from the list as computed by searchList() */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 static const char *getSearchPath(int i)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385 static const char *list = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 static char path = (char )0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 static int end = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388 static int numsize = MAX_SEARCH_PATHS;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 static char **tmp;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 /* So we can call SDL_free() in the "destructor" we use i=-1 to return the alloc'd array */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391 if (i == -1)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 return (const char*)path;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 if (!path)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397 path = (char )SDL_calloc(MAX_SEARCH_PATHS, sizeof(char ));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 if (!list && !end)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 list = searchList();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 if (i >= (numsize))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 debug("Increasing size for long PATH");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 tmp = (char )SDL_calloc((MAX_SEARCH_PATHS + numsize), sizeof(char ));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 if (tmp)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 SDL_memcpy(tmp, path, sizeof(char *) numsize);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 SDL_free(path);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 path = tmp;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 numsize += MAX_SEARCH_PATHS;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 return 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418 while (!path[i] && !end)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 path[i] = strsep((char **)&list, ":");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 if (path[i][0] == 0)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 path[i] = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 end = (list == 0);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 return path[i];
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 static const char getFullPath(int i, const char file)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 static char buf[PATH_MAX];
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 const char *path = getSearchPath(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 if (path)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 SDL_snprintf(buf, PATH_MAX, "%s/%s", path, file);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 return path ? buf : 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 /* Given a file name, try to determine the full path for that file. Starts
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 * its search in the current directory, and then tries all paths in the
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 * search list in the order they are specified there.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 static const struct stat findFile(const char file, const char **fullPath)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446 int i = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 static struct stat sbuf;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 char *fileName;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 debug("finding file %s", file);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 *fullPath = file;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 if (0 == stat(file, &sbuf))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 return &sbuf;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 if (SDL_strchr(file, '/'))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 return 0; /* If the path had a / we don't look in env var places */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 fileName = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 if (!fileName)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 fileName = (char *)file;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 while ((*fullPath = getFullPath(i++, fileName)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 if (0 == stat(*fullPath, &sbuf))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 return &sbuf;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 ;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 return 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 /* Determine whether a given dlstatus is valid or not */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 static int isValidStatus(struct dlstatus *status)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 /* Walk the list to verify status is contained in it */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 struct dlstatus *dls = stqueue;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 while (dls && status != dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 dls = dls->next;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 if (dls == 0)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 error("invalid handle");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 else if ((dls->module == 0) \|\| (dls->refs == 0))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 error("handle to closed library");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 return TRUE;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 return FALSE;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	482
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 static inline int isFlagSet(int mode, int flag)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 return (mode & flag) == flag;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 static struct dlstatus lookupStatus(const struct stat sbuf)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 struct dlstatus *dls = stqueue;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 debug("looking for status");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 while (dls && ( /* isFlagSet(dls->mode, RTLD_UNSHARED) */ 0
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 \|\| sbuf->st_dev != dls->device \|\| sbuf->st_ino != dls->inode))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 dls = dls->next;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 return dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 static void insertStatus(struct dlstatus dls, const struct stat sbuf)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 debug("inserting status");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 dls->inode = sbuf->st_ino;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 dls->device = sbuf->st_dev;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 dls->refs = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504 dls->mode = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 if ((dls->flags & DL_IN_LIST) == 0)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 dls->next = stqueue;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 stqueue = dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 dls->flags \|= DL_IN_LIST;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 static struct dlstatus *allocStatus()
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 struct dlstatus *dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 #ifdef REUSE_STATUS
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 dls = stqueue;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 while (dls && dls->module)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 dls = dls->next;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 if (!dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 dls = SDL_calloc(sizeof(*dls),1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 return dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 static int promoteLocalToGlobal(struct dlstatus *dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 static int (*p) (NSModule module) = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 debug("promoting");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 if (!p)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 _dyld_func_lookup("__dyld_NSMakePrivateModulePublic", (void **)&p);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 return (dls->module == MAGIC_DYLIB_MOD) \|\| (p && p(dls->module));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 static void reference(struct dlstatus dls, int mode)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 if (dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 if (dls->module == MAGIC_DYLIB_MOD && isFlagSet(mode, RTLD_LOCAL))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 warning("trying to open a .dylib with RTLD_LOCAL");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 error("unable to open a .dylib with RTLD_LOCAL");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 if (isFlagSet(mode, RTLD_GLOBAL) &&
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 !isFlagSet(dls->mode, RTLD_GLOBAL) && !promoteLocalToGlobal(dls))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 error("unable to promote local module to global");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 dls->mode \|= mode;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 dls->refs++;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 debug("reference called with NULL argument");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 return dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 static const struct mach_header my_find_image(const char name)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 const struct mach_header *mh = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 const char *id = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 int i = _dyld_image_count();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 int j;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 mh = (struct mach_header *)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 dyld_NSAddImage(name, NSADDIMAGE_OPTION_RETURN_ONLY_IF_LOADED \|
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 NSADDIMAGE_OPTION_RETURN_ON_ERROR);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 if (!mh)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 for (j = 0; j < i; j++)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 id = _dyld_get_image_name(j);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 if (!SDL_strcmp(id, name))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 mh = _dyld_get_image_header(j);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581 return mh;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 * dyld adds libraries by first adding the directly dependant libraries in link order, and
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 * then adding the dependencies for those libraries, so we should do the same... but we don't
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 * bother adding the extra dependencies, if the symbols are neither in the loaded image nor
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 * any of it's direct dependencies, then it probably isn't there.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 static NSSymbol search_linked_libs(const struct mach_header * mh, const char *symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 unsigned int n;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 struct load_command *lc = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594 struct mach_header *wh;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 NSSymbol nssym = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 if (dyld_NSAddImage && dyld_NSIsSymbolNameDefinedInImage && dyld_NSLookupSymbolInImage)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 lc = (struct load_command )((char )mh + sizeof(struct mach_header));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 for (n = 0; n < mh->ncmds; n++, lc = (struct load_command )((char )lc + lc->cmdsize))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 if ((LC_LOAD_DYLIB == lc->cmd) \|\| (LC_LOAD_WEAK_DYLIB == lc->cmd))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 if ((wh = (struct mach_header *)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 my_find_image((char )(((struct dylib_command )lc)->dylib.name.offset +
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 (char *)lc))))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 if (dyld_NSIsSymbolNameDefinedInImage(wh, symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609 nssym = dyld_NSLookupSymbolInImage(wh,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 symbol,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND \|
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 if ((!nssym) && NSIsSymbolNameDefined(symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620 /* I've never seen this debug message...*/
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 debug("Symbol \"%s\" is defined but was not found", symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 return nssym;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 /* Up to the caller to SDL_free() returned string */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628 static inline char *dyld_error_str()
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 NSLinkEditErrors dylder;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631 int dylderno;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 const char *dylderrstr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633 const char *dyldfile;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 char* retStr = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 NSLinkEditError(&dylder, &dylderno, &dyldfile, &dylderrstr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 if (dylderrstr && *dylderrstr)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 retStr = SDL_strdup(dylderrstr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 return retStr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 static void dlsymIntern(struct dlstatus dls, const char *symbol, int canSetError)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 NSSymbol nssym = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 #ifdef __GCC__
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 void caller = __builtin_return_address(1); / Be very careful about inlining */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 #else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 void *caller = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 const struct mach_header *caller_mh = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 char *savedErrorStr = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653 resetdlerror();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 #ifndef RTLD_SELF
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 #define RTLD_SELF ((void *) -3)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 if (NULL == dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 dls = RTLD_SELF;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 if ((RTLD_NEXT == dls) \|\| (RTLD_SELF == dls))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 if (dyld_NSIsSymbolNameDefinedInImage && dyld_NSLookupSymbolInImage && caller)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 caller_mh = image_for_address(caller);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 if (RTLD_SELF == dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 /* FIXME: We should be using the NSModule api, if SELF is an MH_BUNDLE
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 * But it appears to work anyway, and looking at the code in dyld_libfuncs.c
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 * this is acceptable.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 if (dyld_NSIsSymbolNameDefinedInImage(caller_mh, symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672 nssym = dyld_NSLookupSymbolInImage(caller_mh,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 symbol,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND \|
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 if (!nssym)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680 if (RTLD_SELF == dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 savedErrorStr = dyld_error_str();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 nssym = search_linked_libs(caller_mh, symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 if (canSetError)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 error("RTLD_SELF and RTLD_NEXT are not supported");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 if (!nssym)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695 if (RTLD_DEFAULT == dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 dls = &mainStatus;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 if (!isValidStatus(dls))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702 if (dls->module != MAGIC_DYLIB_MOD)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 nssym = NSLookupSymbolInModule(dls->module, symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 if (!nssym && NSIsSymbolNameDefined(symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 debug("Searching dependencies");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 savedErrorStr = dyld_error_str();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 nssym = search_linked_libs(get_mach_header_from_NSModule(dls->module), symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 else if (dls->lib && dyld_NSIsSymbolNameDefinedInImage && dyld_NSLookupSymbolInImage)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714 if (dyld_NSIsSymbolNameDefinedInImage(dls->lib, symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 nssym = dyld_NSLookupSymbolInImage(dls->lib,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 symbol,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718 NSLOOKUPSYMBOLINIMAGE_OPTION_BIND \|
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 else if (NSIsSymbolNameDefined(symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 debug("Searching dependencies");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724 savedErrorStr = dyld_error_str();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 nssym = search_linked_libs(dls->lib, symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 else if (dls->module == MAGIC_DYLIB_MOD)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730 /* Global context, use NSLookupAndBindSymbol */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 if (NSIsSymbolNameDefined(symbol))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733 /* There doesn't seem to be a return on error option for this call???
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 this is potentially broken, if binding fails, it will improperly
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	735 exit the application. */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 nssym = NSLookupAndBindSymbol(symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 if (savedErrorStr)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 SDL_free(savedErrorStr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742 savedErrorStr = SDL_malloc(256);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 SDL_snprintf(savedErrorStr, 256, "Symbol \"%s\" not in global context",symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 /* Error reporting */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 if (!nssym)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 if (!savedErrorStr \|\| !SDL_strlen(savedErrorStr))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 if (savedErrorStr)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 SDL_free(savedErrorStr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 savedErrorStr = SDL_malloc(256);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 SDL_snprintf(savedErrorStr, 256,"Symbol \"%s\" not found",symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 if (canSetError)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 error(savedErrorStr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 debug(savedErrorStr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 if (savedErrorStr)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766 SDL_free(savedErrorStr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 return NSAddressOfSymbol(nssym);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 static struct dlstatus loadModule(const char path, const struct stat *sbuf, int mode)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 NSObjectFileImage ofi = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 NSObjectFileImageReturnCode ofirc;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 struct dlstatus *dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777 NSLinkEditErrors ler;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 int lerno;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 const char *errstr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 const char *file;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 void (*init) (void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 ofirc = NSCreateObjectFileImageFromFile(path, &ofi);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 switch (ofirc)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 case NSObjectFileImageSuccess:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788 case NSObjectFileImageInappropriateFile:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789 if (dyld_NSAddImage && dyld_NSIsSymbolNameDefinedInImage && dyld_NSLookupSymbolInImage)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	790 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791 if (isFlagSet(mode, RTLD_LOCAL))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 warning("trying to open a .dylib with RTLD_LOCAL");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 error("unable to open this file with RTLD_LOCAL");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 error("opening this file is unsupported on this system");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	803 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804 case NSObjectFileImageFailure:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 error("object file setup failure");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807 case NSObjectFileImageArch:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 error("no object for this architecture");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810 case NSObjectFileImageFormat:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811 error("bad object file format");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 case NSObjectFileImageAccess:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814 error("can't read object file");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	816 default:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 error("unknown error from NSCreateObjectFileImageFromFile()");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 dls = lookupStatus(sbuf);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 if (!dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 dls = allocStatus();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	824 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 if (!dls)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827 error("unable to allocate memory");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	828 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 // dls->lib = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 if (ofirc == NSObjectFileImageInappropriateFile)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 if ((dls->lib = dyld_NSAddImage(path, NSADDIMAGE_OPTION_RETURN_ON_ERROR)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835 debug("Dynamic lib loaded at %ld", dls->lib);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 ofi = MAGIC_DYLIB_OFI;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 dls->module = MAGIC_DYLIB_MOD;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838 ofirc = NSObjectFileImageSuccess;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 /* Although it is possible with a bit of work to modify this so it works and
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840 functions with RTLD_NOW, I don't deem it necessary at the moment */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842 if (!(dls->module))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844 NSLinkEditError(&ler, &lerno, &file, &errstr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845 if (!errstr \|\| (!SDL_strlen(errstr)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	846 error("Can't open this file type");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 error(errstr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 if ((dls->flags & DL_IN_LIST) == 0)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	850 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851 SDL_free(dls);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	856 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 dls->module = NSLinkModule(ofi, path,
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859 NSLINKMODULE_OPTION_RETURN_ON_ERROR \|
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860 NSLINKMODULE_OPTION_PRIVATE \|
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861 (isFlagSet(mode, RTLD_NOW) ? NSLINKMODULE_OPTION_BINDNOW : 0));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862 NSDestroyObjectFileImage(ofi);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	863 if (dls->module)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	865 dls->lib = get_mach_header_from_NSModule(dls->module);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	866 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	867 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	868 if (!dls->module)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	869 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	870 NSLinkEditError(&ler, &lerno, &file, &errstr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871 if ((dls->flags & DL_IN_LIST) == 0)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	872 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	873 SDL_free(dls);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	875 error(errstr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	876 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	879 insertStatus(dls, sbuf);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	880 dls = reference(dls, mode);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	881 if ((init = dlsymIntern(dls, "__init", 0)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	882 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 debug("calling _init()");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 init();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 return dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889 inline static void dlcompat_init_check(void)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891 static pthread_mutex_t l = PTHREAD_MUTEX_INITIALIZER;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892 static int init_done = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894 pthread_mutex_lock(&l);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	895 if (!init_done) {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	896 dlcompat_init_func();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 init_done = 1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899 pthread_mutex_unlock(&l);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	900 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	901
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 static void dlcompat_init_func(void)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	903 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	904 _dyld_func_lookup("__dyld_NSAddImage", (void **)&dyld_NSAddImage);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	905 _dyld_func_lookup("__dyld_NSIsSymbolNameDefinedInImage",
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906 (void **)&dyld_NSIsSymbolNameDefinedInImage);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907 _dyld_func_lookup("__dyld_NSLookupSymbolInImage", (void **)&dyld_NSLookupSymbolInImage);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	908 if (pthread_mutex_init(&dlcompat_mutex, NULL))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	909 exit(1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 if (pthread_key_create(&dlerror_key, &dlerrorfree))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	911 exit(1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	913
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914 static void resetdlerror()
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	916 struct dlthread *tss;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	917 tss = pthread_getspecific(dlerror_key);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	918 tss->errset = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	919 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	920
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	921 static void dlerrorfree(void *data)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	922 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	923 SDL_free(data);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	924 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	925
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	926 /* We kind of want a recursive lock here, but meet a little trouble
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	927 * because they are not available pre OS X 10.2, so we fake it
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	928 * using thread specific storage to keep a lock count
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	929 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930 static inline void dolock(void)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	932 int err = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 struct dlthread *tss;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934 dlcompat_init_check();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	935 tss = pthread_getspecific(dlerror_key);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936 if (!tss)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	937 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938 tss = SDL_malloc(sizeof(struct dlthread));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 tss->lockcnt = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	940 tss->errset = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	941 if (pthread_setspecific(dlerror_key, tss))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	942 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 fprintf(stderr,"dlcompat: pthread_setspecific failed\n");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 exit(1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	945 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	946 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	947 if (!tss->lockcnt)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	948 err = pthread_mutex_lock(&dlcompat_mutex);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	949 tss->lockcnt = tss->lockcnt +1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	950 if (err)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	951 exit(err);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	952 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	953
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	954 static inline void dounlock(void)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	955 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	956 int err = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	957 struct dlthread *tss;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	958 tss = pthread_getspecific(dlerror_key);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	959 tss->lockcnt = tss->lockcnt -1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	960 if (!tss->lockcnt)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	961 err = pthread_mutex_unlock(&dlcompat_mutex);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	962 if (err)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	963 exit(err);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	964 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	965
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	966 static void SDL_OSX_dlopen(const char path, int mode)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	967 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	968 const struct stat *sbuf;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	969 struct dlstatus *dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	970 const char *fullPath;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	971
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	972 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	973 resetdlerror();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	974 if (!path)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	975 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	976 dls = &mainStatus;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	977 goto dlopenok;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	978 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	979 if (!(sbuf = findFile(path, &fullPath)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	980 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	981 error("file \"%s\" not found", path);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	982 goto dlopenerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	983 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	984 /* Now checks that it hasn't been closed already */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	985 if ((dls = lookupStatus(sbuf)) && (dls->refs > 0))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	986 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	987 /* debug("status found"); */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	988 dls = reference(dls, mode);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	989 goto dlopenok;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	990 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	991 #ifdef RTLD_NOLOAD
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	992 if (isFlagSet(mode, RTLD_NOLOAD))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	993 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	994 error("no existing handle and RTLD_NOLOAD specified");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	995 goto dlopenerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	996 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	997 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	998 if (isFlagSet(mode, RTLD_LAZY) && isFlagSet(mode, RTLD_NOW))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	999 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1000 error("how can I load something both RTLD_LAZY and RTLD_NOW?");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1001 goto dlopenerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1002 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1003 dls = loadModule(fullPath, sbuf, mode);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1004
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1005 dlopenok:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1006 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1007 return (void *)dls;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1008 dlopenerror:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1009 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1010 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1011 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1012
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1013 #if !FINK_BUILD
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1014 static void SDL_OSX_dlsym(void dl_restrict handle, const char * dl_restrict symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1015 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1016 int sym_len = SDL_strlen(symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1017 void *value = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1018 char *malloc_sym = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1019 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1020 malloc_sym = SDL_malloc(sym_len + 2);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1021 if (malloc_sym)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1022 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1023 SDL_snprintf(malloc_sym, sym_len+2, "_%s", symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1024 value = dlsymIntern(handle, malloc_sym, 1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1025 SDL_free(malloc_sym);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1026 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1027 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1028 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1029 error("Unable to allocate memory");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1030 goto dlsymerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1031 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1032 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1033 return value;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1034 dlsymerror:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1035 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1036 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1037 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1038 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1039
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1040 #if FINK_BUILD
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1041
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1042 static void dlsym_prepend_underscore(void handle, const char *symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1043 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1044 void *answer;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1045 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1046 answer = dlsym_prepend_underscore_intern(handle, symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1047 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1048 return answer;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1049 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1050
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1051 static void dlsym_prepend_underscore_intern(void handle, const char *symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1052 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1053 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1054 * A quick and easy way for porting packages which call dlsym(handle,"sym")
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1055 * If the porter adds -Ddlsym=dlsym_prepend_underscore to the CFLAGS then
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1056 * this function will be called, and will add the required underscore.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1057 *
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1058 * Note that I haven't figured out yet which should be "standard", prepend
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1059 * the underscore always, or not at all. These global functions need to go away
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1060 * for opendarwin.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1061 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1062 int sym_len = SDL_strlen(symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1063 void *value = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1064 char *malloc_sym = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1065 malloc_sym = SDL_malloc(sym_len + 2);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1066 if (malloc_sym)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1067 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1068 SDL_snprintf(malloc_sym, sym_len+2, "_%s", symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1069 value = dlsymIntern(handle, malloc_sym, 1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1070 SDL_free(malloc_sym);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1071 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1072 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1073 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1074 error("Unable to allocate memory");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1075 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1076 return value;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1077 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1078
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1079 static void dlsym_auto_underscore(void handle, const char *symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1080 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1081 void *answer;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1082 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1083 answer = dlsym_auto_underscore_intern(handle, symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1084 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1085 return answer;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1086
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1087 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1088 static void dlsym_auto_underscore_intern(void handle, const char *symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1089 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1090 struct dlstatus *dls = handle;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1091 void *addr = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1092 addr = dlsymIntern(dls, symbol, 0);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1093 if (!addr)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1094 addr = dlsym_prepend_underscore_intern(handle, symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1095 return addr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1096 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1097
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1098
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1099 static void SDL_OSX_dlsym(void dl_restrict handle, const char * dl_restrict symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1100 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1101 struct dlstatus *dls = handle;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1102 void *addr = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1103 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1104 addr = dlsymIntern(dls, symbol, 1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1105 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1106 return addr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1107 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1108 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1109
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1110 static int SDL_OSX_dlclose(void *handle)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1111 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1112 struct dlstatus *dls = handle;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1113 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1114 resetdlerror();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1115 if (!isValidStatus(dls))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1116 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1117 goto dlcloseerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1118 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1119 if (dls->module == MAGIC_DYLIB_MOD)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1120 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1121 const char *name;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1122 if (!dls->lib)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1123 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1124 name = "global context";
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1125 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1126 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1127 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1128 name = get_lib_name(dls->lib);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1129 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1130 warning("trying to close a .dylib!");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1131 error("Not closing \"%s\" - dynamic libraries cannot be closed", name);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1132 goto dlcloseerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1133 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1134 if (!dls->module)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1135 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1136 error("module already closed");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1137 goto dlcloseerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1138 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1139
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1140 if (dls->refs == 1)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1141 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1142 unsigned long options = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1143 void (*fini) (void);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1144 if ((fini = dlsymIntern(dls, "__fini", 0)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1145 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1146 debug("calling _fini()");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1147 fini();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1148 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1149 options \|= NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1150 #ifdef RTLD_NODELETE
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1151 if (isFlagSet(dls->mode, RTLD_NODELETE))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1152 options \|= NSUNLINKMODULE_OPTION_KEEP_MEMORY_MAPPED;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1153 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1154 if (!NSUnLinkModule(dls->module, options))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1155 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1156 error("unable to unlink module");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1157 goto dlcloseerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1158 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1159 dls->refs--;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1160 dls->module = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1161 /* Note: the dlstatus struct dls is neither removed from the list
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1162 * nor is the memory it occupies freed. This shouldn't pose a
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1163 * problem in mostly all cases, though.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1164 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1165 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1166 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1167 return 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1168 dlcloseerror:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1169 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1170 return 1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1171 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1172
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1173 static const char *SDL_OSX_dlerror(void)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1174 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1175 struct dlthread *tss;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1176 const char * err_str = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1177 dlcompat_init_check();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1178 tss = pthread_getspecific(dlerror_key);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1179 if (tss != NULL && tss->errset != 0) {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1180 tss->errset = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1181 err_str = tss->errstr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1182 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1183 return (err_str);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1184 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1185
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1186 /* Given an address, return the mach_header for the image containing it
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1187 * or zero if the given address is not contained in any loaded images.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1188 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1189 static const struct mach_header image_for_address(const void address)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1190 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1191 unsigned long i;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1192 unsigned long j;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1193 unsigned long count = _dyld_image_count();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1194 const struct mach_header *mh = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1195 struct load_command *lc = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1196 unsigned long addr = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1197 for (i = 0; i < count; i++)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1198 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1199 addr = (unsigned long)address - _dyld_get_image_vmaddr_slide(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1200 mh = _dyld_get_image_header(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1201 if (mh)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1202 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1203 lc = (struct load_command )((char )mh + sizeof(struct mach_header));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1204 for (j = 0; j < mh->ncmds; j++, lc = (struct load_command )((char )lc + lc->cmdsize))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1205 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1206 if (LC_SEGMENT == lc->cmd &&
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1207 addr >= ((struct segment_command *)lc)->vmaddr &&
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1208 addr <
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1209 ((struct segment_command )lc)->vmaddr + ((struct segment_command )lc)->vmsize)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1210 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1211 goto image_found;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1212 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1213 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1214 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1215 mh = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1216 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1217 image_found:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1218 return mh;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1219 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1220
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1221 #if 0 /* unused */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1222 static int SDL_OSX_dladdr(const void * dl_restrict p, SDL_OSX_Dl_info * dl_restrict info)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1223 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1224 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1225 FIXME: USe the routine image_for_address.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1226 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1227 unsigned long i;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1228 unsigned long j;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1229 unsigned long count = _dyld_image_count();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1230 struct mach_header *mh = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1231 struct load_command *lc = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1232 unsigned long addr = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1233 unsigned long table_off = (unsigned long)0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1234 int found = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1235 if (!info)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1236 return 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1237 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1238 resetdlerror();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1239 info->dli_fname = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1240 info->dli_fbase = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1241 info->dli_sname = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1242 info->dli_saddr = 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1243 /* Some of this was swiped from code posted by Douglas Davidson <ddavidso AT apple DOT com>
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1244 * to darwin-development AT lists DOT apple DOT com and slightly modified
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1245 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1246 for (i = 0; i < count; i++)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1247 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1248 addr = (unsigned long)p - _dyld_get_image_vmaddr_slide(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1249 mh = _dyld_get_image_header(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1250 if (mh)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1251 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1252 lc = (struct load_command )((char )mh + sizeof(struct mach_header));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1253 for (j = 0; j < mh->ncmds; j++, lc = (struct load_command )((char )lc + lc->cmdsize))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1254 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1255 if (LC_SEGMENT == lc->cmd &&
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1256 addr >= ((struct segment_command *)lc)->vmaddr &&
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1257 addr <
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1258 ((struct segment_command )lc)->vmaddr + ((struct segment_command )lc)->vmsize)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1259 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1260 info->dli_fname = _dyld_get_image_name(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1261 info->dli_fbase = (void *)mh;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1262 found = 1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1263 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1264 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1265 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1266 if (found)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1267 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1268 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1269 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1270 if (!found)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1271 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1272 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1273 return 0;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1274 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1275 lc = (struct load_command )((char )mh + sizeof(struct mach_header));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1276 for (j = 0; j < mh->ncmds; j++, lc = (struct load_command )((char )lc + lc->cmdsize))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1277 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1278 if (LC_SEGMENT == lc->cmd)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1279 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1280 if (!SDL_strcmp(((struct segment_command *)lc)->segname, "__LINKEDIT"))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1281 break;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1282 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1283 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1284 table_off =
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1285 ((unsigned long)((struct segment_command *)lc)->vmaddr) -
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1286 ((unsigned long)((struct segment_command *)lc)->fileoff) + _dyld_get_image_vmaddr_slide(i);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1287 debug("table off %x", table_off);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1288
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1289 lc = (struct load_command )((char )mh + sizeof(struct mach_header));
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1290 for (j = 0; j < mh->ncmds; j++, lc = (struct load_command )((char )lc + lc->cmdsize))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1291 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1292 if (LC_SYMTAB == lc->cmd)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1293 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1294
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1295 struct nlist symtable = (struct nlist )(((struct symtab_command *)lc)->symoff + table_off);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1296 unsigned long numsyms = ((struct symtab_command *)lc)->nsyms;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1297 struct nlist *nearest = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1298 unsigned long diff = 0xffffffff;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1299 unsigned long strtable = (unsigned long)(((struct symtab_command *)lc)->stroff + table_off);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1300 debug("symtable %x", symtable);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1301 for (i = 0; i < numsyms; i++)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1302 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1303 /* Ignore the following kinds of Symbols */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1304 if ((!symtable->n_value) /* Undefined */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1305 \|\| (symtable->n_type >= N_PEXT) /* Debug symbol */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1306 \|\| (!(symtable->n_type & N_EXT)) /* Local Symbol */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1307 )
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1308 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1309 symtable++;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1310 continue;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1311 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1312 if ((addr >= symtable->n_value) && (diff >= (symtable->n_value - addr)))
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1313 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1314 diff = (unsigned long)symtable->n_value - addr;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1315 nearest = symtable;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1316 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1317 symtable++;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1318 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1319 if (nearest)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1320 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1321 info->dli_saddr = nearest->n_value + ((void *)p - addr);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1322 info->dli_sname = (char *)(strtable + nearest->n_un.n_strx);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1323 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1324 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1325 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1326 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1327 return 1;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1328 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1329 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1330
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1331 /*
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1332 * Implement the dlfunc() interface, which behaves exactly the same as
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1333 * dlsym() except that it returns a function pointer instead of a data
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1334 * pointer. This can be used by applications to avoid compiler warnings
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1335 * about undefined behavior, and is intended as prior art for future
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1336 * POSIX standardization. This function requires that all pointer types
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1337 * have the same representation, which is true on all platforms FreeBSD
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1338 * runs on, but is not guaranteed by the C standard.
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1339 */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1340 #if 0
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1341 static dlfunc_t SDL_OSX_dlfunc(void * dl_restrict handle, const char * dl_restrict symbol)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1342 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1343 union
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1344 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1345 void *d;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1346 dlfunc_t f;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1347 } rv;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1348 int sym_len = SDL_strlen(symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1349 char *malloc_sym = NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1350 dolock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1351 malloc_sym = SDL_malloc(sym_len + 2);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1352 if (malloc_sym)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1353 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1354 SDL_snprintf(malloc_sym, sym_len+2, "_%s", symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1355 rv.d = dlsymIntern(handle, malloc_sym, 1);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1356 SDL_free(malloc_sym);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1357 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1358 else
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1359 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1360 error("Unable to allocate memory");
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1361 goto dlfuncerror;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1362 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1363 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1364 return rv.f;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1365 dlfuncerror:
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1366 dounlock();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1367 return NULL;
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1368 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1369 #endif
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1370
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1371
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1372
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1373 /* dlcompat ends, here's the SDL interface... --ryan. */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1374
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1375
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1376 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1377 /* System dependent library loading routines */
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1378
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1379 #include "SDL_loadso.h"
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1380
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1381 void SDL_LoadObject(const char sofile)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1382 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1383 void *handle = SDL_OSX_dlopen(sofile, RTLD_NOW);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1384 const char *loaderror = SDL_OSX_dlerror();
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1385 if ( handle == NULL ) {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1386 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1387 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1388 return(handle);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1389 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1390
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1391 void SDL_LoadFunction(void handle, const char *name)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1392 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1393 void *symbol = SDL_OSX_dlsym(handle, name);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1394 if ( symbol == NULL ) {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1395 SDL_SetError("Failed loading %s: %s", name, SDL_OSX_dlerror());
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1396 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1397 return(symbol);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1398 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1399
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1400 void SDL_UnloadObject(void *handle)
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1401 {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1402 if ( handle != NULL ) {
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1403 SDL_OSX_dlclose(handle);
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1404 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1405 }
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1406
e308d020d315 Xcode has trouble compiling different files with the same name for two architectures Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1407 #endif /* SDL_LOADSO_DLCOMPAT */

Mercurial > sdl-ios-xcode

annotate src/loadso/macosx/SDL_dlcompat.c @ 4109:cd2ab40f1219 SDL-1.2