2000-11-08 05:33:20 +01:00
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/*
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* Win32 builtin dlls support
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*
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* Copyright 2000 Alexandre Julliard
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2002-03-10 00:29:33 +01:00
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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2000-11-08 05:33:20 +01:00
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*/
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#include "config.h"
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2001-05-14 22:09:37 +02:00
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#include "wine/port.h"
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2000-11-08 05:33:20 +01:00
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#include <assert.h>
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#include <ctype.h>
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2003-03-21 22:28:33 +01:00
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#include <fcntl.h>
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2003-09-06 01:08:26 +02:00
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#include <stdarg.h>
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2000-11-08 05:33:20 +01:00
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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2000-11-09 00:02:48 +01:00
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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2003-03-21 22:28:33 +01:00
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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2000-11-08 05:33:20 +01:00
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2003-01-07 21:36:20 +01:00
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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2002-12-10 23:56:43 +01:00
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#include "windef.h"
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2003-09-06 01:08:26 +02:00
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#include "winbase.h"
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2000-11-08 05:33:20 +01:00
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#include "wine/library.h"
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2004-06-14 19:07:30 +02:00
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#ifdef __APPLE__
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#include <crt_externs.h>
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#define environ (*_NSGetEnviron())
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#else
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extern char **environ;
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#endif
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2002-05-17 01:16:01 +02:00
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/* argc/argv for the Windows application */
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int __wine_main_argc = 0;
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char **__wine_main_argv = NULL;
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WCHAR **__wine_main_wargv = NULL;
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2003-10-11 01:33:21 +02:00
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char **__wine_main_environ = NULL;
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2002-05-17 01:16:01 +02:00
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2004-01-02 22:08:05 +01:00
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struct dll_path_context
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{
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int index;
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char *buffer;
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};
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2000-11-08 05:33:20 +01:00
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#define MAX_DLLS 100
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static struct
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{
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const IMAGE_NT_HEADERS *nt; /* NT header */
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const char *filename; /* DLL file name */
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} builtin_dlls[MAX_DLLS];
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static int nb_dlls;
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static const IMAGE_NT_HEADERS *main_exe;
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static load_dll_callback_t load_dll_callback;
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2002-03-20 23:19:06 +01:00
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static const char **dll_paths;
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2000-11-08 05:33:20 +01:00
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static int nb_dll_paths;
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static int dll_path_maxlen;
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2004-05-25 03:29:24 +02:00
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extern void mmap_init(void);
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2000-11-08 05:33:20 +01:00
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/* build the dll load path from the WINEDLLPATH variable */
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static void build_dll_path(void)
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{
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2002-03-20 23:19:06 +01:00
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static const char * const dlldir = DLLDIR;
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int len, count = 0;
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2000-11-08 05:33:20 +01:00
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char *p, *path = getenv( "WINEDLLPATH" );
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2002-03-20 23:19:06 +01:00
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if (path)
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{
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/* count how many path elements we need */
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path = strdup(path);
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p = path;
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while (*p)
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{
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while (*p == ':') p++;
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if (!*p) break;
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count++;
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while (*p && *p != ':') p++;
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}
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}
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dll_paths = malloc( (count+1) * sizeof(*dll_paths) );
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if (count)
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2000-11-08 05:33:20 +01:00
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{
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2002-03-20 23:19:06 +01:00
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p = path;
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nb_dll_paths = 0;
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while (*p)
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{
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while (*p == ':') *p++ = 0;
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if (!*p) break;
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dll_paths[nb_dll_paths] = p;
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while (*p && *p != ':') p++;
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if (p - dll_paths[nb_dll_paths] > dll_path_maxlen)
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dll_path_maxlen = p - dll_paths[nb_dll_paths];
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nb_dll_paths++;
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}
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2000-11-08 05:33:20 +01:00
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}
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2002-03-20 23:19:06 +01:00
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/* append default dll dir (if not empty) to path */
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if ((len = strlen(dlldir)))
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2000-11-08 05:33:20 +01:00
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{
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2002-03-20 23:19:06 +01:00
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if (len > dll_path_maxlen) dll_path_maxlen = len;
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dll_paths[nb_dll_paths++] = dlldir;
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2000-11-08 05:33:20 +01:00
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}
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}
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2002-04-04 00:13:01 +02:00
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/* check if a given file can be opened */
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inline static int file_exists( const char *name )
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{
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int fd = open( name, O_RDONLY );
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if (fd != -1) close( fd );
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return (fd != -1);
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}
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2000-11-08 05:33:20 +01:00
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2004-01-02 22:08:05 +01:00
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/* get a filename from the next entry in the dll path */
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static char *next_dll_path( struct dll_path_context *context )
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{
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int index = context->index++;
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if (index < nb_dll_paths)
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{
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int len = strlen( dll_paths[index] );
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char *path = context->buffer + dll_path_maxlen - len;
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memcpy( path, dll_paths[index], len );
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return path;
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}
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return NULL;
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}
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/* get a filename from the first entry in the dll path */
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static char *first_dll_path( const char *name, const char *ext, struct dll_path_context *context )
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{
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char *p;
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int namelen = strlen( name );
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context->buffer = p = malloc( dll_path_maxlen + namelen + strlen(ext) + 2 );
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context->index = 0;
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/* store the name at the end of the buffer, followed by extension */
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p += dll_path_maxlen;
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*p++ = '/';
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memcpy( p, name, namelen );
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strcpy( p + namelen, ext );
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return next_dll_path( context );
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}
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/* free the dll path context created by first_dll_path */
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inline static void free_dll_path( struct dll_path_context *context )
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{
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free( context->buffer );
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}
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2000-11-08 05:33:20 +01:00
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/* open a library for a given dll, searching in the dll path
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* 'name' must be the Windows dll name (e.g. "kernel32.dll") */
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2003-07-03 20:23:10 +02:00
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static void *dlopen_dll( const char *name, char *error, int errorsize,
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int test_only, int *exists )
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2000-11-08 05:33:20 +01:00
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{
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2004-01-02 22:08:05 +01:00
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struct dll_path_context context;
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char *path;
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2000-11-08 05:33:20 +01:00
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void *ret = NULL;
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2003-07-03 20:23:10 +02:00
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*exists = 0;
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2004-01-02 22:08:05 +01:00
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for (path = first_dll_path( name, ".so", &context ); path; path = next_dll_path( &context ))
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2000-11-08 05:33:20 +01:00
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{
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2004-01-02 22:08:05 +01:00
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if (!test_only && (ret = wine_dlopen( path, RTLD_NOW, error, errorsize ))) break;
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if ((*exists = file_exists( path ))) break; /* exists but cannot be loaded, return the error */
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2000-11-08 05:33:20 +01:00
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}
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2004-01-02 22:08:05 +01:00
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free_dll_path( &context );
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2000-11-08 05:33:20 +01:00
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return ret;
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}
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2000-11-09 00:02:48 +01:00
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/* adjust an array of pointers to make them into RVAs */
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static inline void fixup_rva_ptrs( void *array, void *base, int count )
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{
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void **ptr = (void **)array;
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while (count--)
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{
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if (*ptr) *ptr = (void *)((char *)*ptr - (char *)base);
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ptr++;
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}
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}
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2002-07-28 19:54:31 +02:00
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/* fixup RVAs in the import directory */
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static void fixup_imports( IMAGE_IMPORT_DESCRIPTOR *dir, DWORD size, void *base )
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{
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int count = size / sizeof(void *);
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void **ptr = (void **)dir;
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2005-03-23 14:15:18 +01:00
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/* everything is either a pointer or an ordinal value below 0x10000 */
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2002-07-28 19:54:31 +02:00
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while (count--)
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{
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if (*ptr >= (void *)0x10000) *ptr = (void *)((char *)*ptr - (char *)base);
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else if (*ptr) *ptr = (void *)(0x80000000 | (unsigned int)*ptr);
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ptr++;
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}
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}
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2000-11-09 00:02:48 +01:00
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/* fixup RVAs in the resource directory */
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static void fixup_resources( IMAGE_RESOURCE_DIRECTORY *dir, char *root, void *base )
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{
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IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
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int i;
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entry = (IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
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for (i = 0; i < dir->NumberOfNamedEntries + dir->NumberOfIdEntries; i++, entry++)
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{
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2000-12-20 00:31:52 +01:00
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void *ptr = root + entry->u2.s3.OffsetToDirectory;
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if (entry->u2.s3.DataIsDirectory) fixup_resources( ptr, root, base );
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2000-11-09 00:02:48 +01:00
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else
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{
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IMAGE_RESOURCE_DATA_ENTRY *data = ptr;
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fixup_rva_ptrs( &data->OffsetToData, base, 1 );
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}
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}
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}
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/* map a builtin dll in memory and fixup RVAs */
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static void *map_dll( const IMAGE_NT_HEADERS *nt_descr )
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{
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2002-05-15 01:18:23 +02:00
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#ifdef HAVE_MMAP
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2000-11-09 00:02:48 +01:00
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IMAGE_DATA_DIRECTORY *dir;
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IMAGE_DOS_HEADER *dos;
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IMAGE_NT_HEADERS *nt;
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IMAGE_SECTION_HEADER *sec;
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2003-11-03 23:19:44 +01:00
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BYTE *addr;
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DWORD code_start, data_start, data_end;
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const size_t page_size = getpagesize();
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const size_t page_mask = page_size - 1;
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2000-11-09 00:02:48 +01:00
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int nb_sections = 2; /* code + data */
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size_t size = (sizeof(IMAGE_DOS_HEADER)
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+ sizeof(IMAGE_NT_HEADERS)
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+ nb_sections * sizeof(IMAGE_SECTION_HEADER));
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assert( size <= page_size );
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2002-08-14 23:09:55 +02:00
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/* module address must be aligned on 64K boundary */
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addr = (BYTE *)((nt_descr->OptionalHeader.ImageBase + 0xffff) & ~0xffff);
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if (wine_anon_mmap( addr, page_size, PROT_READ|PROT_WRITE, MAP_FIXED ) != addr) return NULL;
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2000-11-09 00:02:48 +01:00
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dos = (IMAGE_DOS_HEADER *)addr;
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nt = (IMAGE_NT_HEADERS *)(dos + 1);
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sec = (IMAGE_SECTION_HEADER *)(nt + 1);
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/* Build the DOS and NT headers */
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2004-09-03 19:28:39 +02:00
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dos->e_magic = IMAGE_DOS_SIGNATURE;
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dos->e_cblp = sizeof(*dos);
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dos->e_cp = 1;
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dos->e_cparhdr = (sizeof(*dos)+0xf)/0x10;
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dos->e_minalloc = 0;
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dos->e_maxalloc = 0xffff;
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dos->e_ss = 0x0000;
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dos->e_sp = 0x00b8;
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dos->e_lfarlc = sizeof(*dos);
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dos->e_lfanew = sizeof(*dos);
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2000-11-09 00:02:48 +01:00
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*nt = *nt_descr;
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2003-11-03 23:19:44 +01:00
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code_start = page_size;
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data_start = ((BYTE *)nt->OptionalHeader.BaseOfData - addr) & ~page_mask;
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data_end = (((BYTE *)nt->OptionalHeader.SizeOfImage - addr) + page_mask) & ~page_mask;
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2000-11-09 00:02:48 +01:00
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nt->FileHeader.NumberOfSections = nb_sections;
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2003-11-03 23:19:44 +01:00
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nt->OptionalHeader.BaseOfCode = code_start;
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nt->OptionalHeader.BaseOfData = data_start;
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2000-11-09 00:02:48 +01:00
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nt->OptionalHeader.SizeOfCode = data_start - code_start;
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2003-11-03 23:19:44 +01:00
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nt->OptionalHeader.SizeOfInitializedData = data_end - data_start;
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2000-11-09 00:02:48 +01:00
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nt->OptionalHeader.SizeOfUninitializedData = 0;
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2003-11-03 23:19:44 +01:00
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nt->OptionalHeader.SizeOfImage = data_end;
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2000-11-09 00:02:48 +01:00
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nt->OptionalHeader.ImageBase = (DWORD)addr;
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fixup_rva_ptrs( &nt->OptionalHeader.AddressOfEntryPoint, addr, 1 );
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/* Build the code section */
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|
2005-07-10 19:45:53 +02:00
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memcpy( sec->Name, ".text", sizeof(".text") );
|
2000-11-09 00:02:48 +01:00
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sec->SizeOfRawData = data_start - code_start;
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sec->Misc.VirtualSize = sec->SizeOfRawData;
|
2003-11-03 23:19:44 +01:00
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sec->VirtualAddress = code_start;
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sec->PointerToRawData = code_start;
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2000-11-09 00:02:48 +01:00
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sec->Characteristics = (IMAGE_SCN_CNT_CODE | IMAGE_SCN_MEM_EXECUTE | IMAGE_SCN_MEM_READ);
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sec++;
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/* Build the data section */
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2005-07-10 19:45:53 +02:00
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|
memcpy( sec->Name, ".data", sizeof(".data") );
|
2003-11-03 23:19:44 +01:00
|
|
|
sec->SizeOfRawData = data_end - data_start;
|
2000-11-09 00:02:48 +01:00
|
|
|
sec->Misc.VirtualSize = sec->SizeOfRawData;
|
2003-11-03 23:19:44 +01:00
|
|
|
sec->VirtualAddress = data_start;
|
|
|
|
sec->PointerToRawData = data_start;
|
2000-11-09 00:02:48 +01:00
|
|
|
sec->Characteristics = (IMAGE_SCN_CNT_INITIALIZED_DATA |
|
|
|
|
IMAGE_SCN_MEM_WRITE | IMAGE_SCN_MEM_READ);
|
|
|
|
sec++;
|
|
|
|
|
|
|
|
/* Build the import directory */
|
|
|
|
|
|
|
|
dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY];
|
|
|
|
if (dir->Size)
|
|
|
|
{
|
|
|
|
IMAGE_IMPORT_DESCRIPTOR *imports = (void *)dir->VirtualAddress;
|
|
|
|
fixup_rva_ptrs( &dir->VirtualAddress, addr, 1 );
|
2002-07-28 19:54:31 +02:00
|
|
|
fixup_imports( imports, dir->Size, addr );
|
2000-11-09 00:02:48 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Build the resource directory */
|
|
|
|
|
|
|
|
dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_RESOURCE_DIRECTORY];
|
|
|
|
if (dir->Size)
|
|
|
|
{
|
|
|
|
void *ptr = (void *)dir->VirtualAddress;
|
|
|
|
fixup_rva_ptrs( &dir->VirtualAddress, addr, 1 );
|
|
|
|
fixup_resources( ptr, ptr, addr );
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Build the export directory */
|
|
|
|
|
|
|
|
dir = &nt->OptionalHeader.DataDirectory[IMAGE_FILE_EXPORT_DIRECTORY];
|
|
|
|
if (dir->Size)
|
|
|
|
{
|
|
|
|
IMAGE_EXPORT_DIRECTORY *exports = (void *)dir->VirtualAddress;
|
|
|
|
fixup_rva_ptrs( &dir->VirtualAddress, addr, 1 );
|
|
|
|
fixup_rva_ptrs( (void *)exports->AddressOfFunctions, addr, exports->NumberOfFunctions );
|
|
|
|
fixup_rva_ptrs( (void *)exports->AddressOfNames, addr, exports->NumberOfNames );
|
|
|
|
fixup_rva_ptrs( &exports->Name, addr, 1 );
|
|
|
|
fixup_rva_ptrs( &exports->AddressOfFunctions, addr, 1 );
|
|
|
|
fixup_rva_ptrs( &exports->AddressOfNames, addr, 1 );
|
|
|
|
fixup_rva_ptrs( &exports->AddressOfNameOrdinals, addr, 1 );
|
|
|
|
}
|
|
|
|
return addr;
|
2002-05-15 01:18:23 +02:00
|
|
|
#else /* HAVE_MMAP */
|
|
|
|
return NULL;
|
|
|
|
#endif /* HAVE_MMAP */
|
2000-11-09 00:02:48 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2000-11-08 05:33:20 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* __wine_dll_register
|
|
|
|
*
|
|
|
|
* Register a built-in DLL descriptor.
|
|
|
|
*/
|
|
|
|
void __wine_dll_register( const IMAGE_NT_HEADERS *header, const char *filename )
|
|
|
|
{
|
2000-11-09 00:02:48 +01:00
|
|
|
if (load_dll_callback) load_dll_callback( map_dll(header), filename );
|
2000-11-08 05:33:20 +01:00
|
|
|
else
|
|
|
|
{
|
|
|
|
if (!(header->FileHeader.Characteristics & IMAGE_FILE_DLL))
|
|
|
|
main_exe = header;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert( nb_dlls < MAX_DLLS );
|
|
|
|
builtin_dlls[nb_dlls].nt = header;
|
|
|
|
builtin_dlls[nb_dlls].filename = filename;
|
|
|
|
nb_dlls++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* wine_dll_set_callback
|
|
|
|
*
|
|
|
|
* Set the callback function for dll loading, and call it
|
|
|
|
* for all dlls that were implicitly loaded already.
|
|
|
|
*/
|
|
|
|
void wine_dll_set_callback( load_dll_callback_t load )
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
load_dll_callback = load;
|
|
|
|
for (i = 0; i < nb_dlls; i++)
|
|
|
|
{
|
|
|
|
const IMAGE_NT_HEADERS *nt = builtin_dlls[i].nt;
|
|
|
|
if (!nt) continue;
|
|
|
|
builtin_dlls[i].nt = NULL;
|
2000-11-09 00:02:48 +01:00
|
|
|
load_dll_callback( map_dll(nt), builtin_dlls[i].filename );
|
2000-11-08 05:33:20 +01:00
|
|
|
}
|
|
|
|
nb_dlls = 0;
|
2000-11-09 00:02:48 +01:00
|
|
|
if (main_exe) load_dll_callback( map_dll(main_exe), "" );
|
2000-11-08 05:33:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* wine_dll_load
|
|
|
|
*
|
|
|
|
* Load a builtin dll.
|
|
|
|
*/
|
2003-07-03 20:23:10 +02:00
|
|
|
void *wine_dll_load( const char *filename, char *error, int errorsize, int *file_exists )
|
2000-11-08 05:33:20 +01:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* callback must have been set already */
|
|
|
|
assert( load_dll_callback );
|
|
|
|
|
|
|
|
/* check if we have it in the list */
|
|
|
|
/* this can happen when initializing pre-loaded dlls in wine_dll_set_callback */
|
|
|
|
for (i = 0; i < nb_dlls; i++)
|
|
|
|
{
|
|
|
|
if (!builtin_dlls[i].nt) continue;
|
2000-12-05 22:17:59 +01:00
|
|
|
if (!strcmp( builtin_dlls[i].filename, filename ))
|
2000-11-08 05:33:20 +01:00
|
|
|
{
|
|
|
|
const IMAGE_NT_HEADERS *nt = builtin_dlls[i].nt;
|
|
|
|
builtin_dlls[i].nt = NULL;
|
2000-11-09 00:02:48 +01:00
|
|
|
load_dll_callback( map_dll(nt), builtin_dlls[i].filename );
|
2003-07-03 20:23:10 +02:00
|
|
|
*file_exists = 1;
|
2000-11-08 05:33:20 +01:00
|
|
|
return (void *)1;
|
|
|
|
}
|
|
|
|
}
|
2003-07-03 20:23:10 +02:00
|
|
|
return dlopen_dll( filename, error, errorsize, 0, file_exists );
|
2000-11-08 05:33:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* wine_dll_unload
|
|
|
|
*
|
|
|
|
* Unload a builtin dll.
|
|
|
|
*/
|
|
|
|
void wine_dll_unload( void *handle )
|
|
|
|
{
|
2000-12-13 22:32:55 +01:00
|
|
|
if (handle != (void *)1)
|
|
|
|
wine_dlclose( handle, NULL, 0 );
|
2000-11-08 05:33:20 +01:00
|
|
|
}
|
2000-11-10 02:38:28 +01:00
|
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* wine_dll_load_main_exe
|
|
|
|
*
|
2002-05-22 23:32:49 +02:00
|
|
|
* Try to load the .so for the main exe.
|
2000-11-10 02:38:28 +01:00
|
|
|
*/
|
2003-07-03 20:23:10 +02:00
|
|
|
void *wine_dll_load_main_exe( const char *name, char *error, int errorsize,
|
|
|
|
int test_only, int *file_exists )
|
2000-11-10 02:38:28 +01:00
|
|
|
{
|
2003-07-03 20:23:10 +02:00
|
|
|
return dlopen_dll( name, error, errorsize, test_only, file_exists );
|
2000-11-10 02:38:28 +01:00
|
|
|
}
|
2003-03-20 20:26:18 +01:00
|
|
|
|
|
|
|
|
2004-01-02 22:08:05 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* wine_dll_get_owner
|
|
|
|
*
|
|
|
|
* Retrieve the name of the 32-bit owner dll for a 16-bit dll.
|
|
|
|
* Return 0 if OK, -1 on error.
|
|
|
|
*/
|
|
|
|
int wine_dll_get_owner( const char *name, char *buffer, int size, int *exists )
|
|
|
|
{
|
|
|
|
int ret = -1;
|
|
|
|
char *path;
|
|
|
|
struct dll_path_context context;
|
|
|
|
|
|
|
|
*exists = 0;
|
|
|
|
for (path = first_dll_path( name, ".so", &context ); path; path = next_dll_path( &context ))
|
|
|
|
{
|
|
|
|
int res = readlink( path, buffer, size );
|
|
|
|
if (res != -1) /* got a symlink */
|
|
|
|
{
|
|
|
|
*exists = 1;
|
|
|
|
if (res < 4 || res >= size) break;
|
|
|
|
buffer[res] = 0;
|
|
|
|
if (strchr( buffer, '/' )) break; /* contains a path, not valid */
|
|
|
|
if (strcmp( buffer + res - 3, ".so" )) break; /* does not end in .so, not valid */
|
|
|
|
buffer[res - 3] = 0; /* remove .so */
|
|
|
|
ret = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ((*exists = file_exists( path ))) break; /* exists but not a symlink, return the error */
|
|
|
|
}
|
|
|
|
free_dll_path( &context );
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2003-12-05 01:17:41 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* debug_usage
|
|
|
|
*/
|
|
|
|
static void debug_usage(void)
|
|
|
|
{
|
|
|
|
static const char usage[] =
|
|
|
|
"Syntax of the WINEDEBUG variable:\n"
|
|
|
|
" WINEDEBUG=[class]+xxx,[class]-yyy,...\n\n"
|
|
|
|
"Example: WINEDEBUG=+all,warn-heap\n"
|
|
|
|
" turns on all messages except warning heap messages\n"
|
|
|
|
"Available message classes: err, warn, fixme, trace\n";
|
|
|
|
write( 2, usage, sizeof(usage) - 1 );
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2003-04-27 02:47:58 +02:00
|
|
|
/***********************************************************************
|
|
|
|
* wine_init
|
|
|
|
*
|
|
|
|
* Main Wine initialisation.
|
|
|
|
*/
|
2004-06-14 19:07:30 +02:00
|
|
|
void wine_init( int argc, char *argv[], char *error, int error_size )
|
2003-04-27 02:47:58 +02:00
|
|
|
{
|
2003-12-05 01:17:41 +01:00
|
|
|
char *wine_debug;
|
2003-07-03 20:23:10 +02:00
|
|
|
int file_exists;
|
2003-10-10 02:12:17 +02:00
|
|
|
void *ntdll;
|
|
|
|
void (*init_func)(void);
|
2003-04-27 02:47:58 +02:00
|
|
|
|
2003-10-08 02:36:09 +02:00
|
|
|
build_dll_path();
|
2003-11-11 23:21:29 +01:00
|
|
|
wine_init_argv0_path( argv[0] );
|
2003-10-10 02:12:17 +02:00
|
|
|
__wine_main_argc = argc;
|
|
|
|
__wine_main_argv = argv;
|
2004-06-14 19:07:30 +02:00
|
|
|
__wine_main_environ = environ;
|
2004-05-25 03:29:24 +02:00
|
|
|
mmap_init();
|
2003-10-10 02:12:17 +02:00
|
|
|
|
2003-12-05 01:17:41 +01:00
|
|
|
if ((wine_debug = getenv("WINEDEBUG")))
|
|
|
|
{
|
|
|
|
if (!strcmp( wine_debug, "help" )) debug_usage();
|
|
|
|
wine_dbg_parse_options( wine_debug );
|
|
|
|
}
|
|
|
|
|
2003-10-10 02:12:17 +02:00
|
|
|
if (!(ntdll = dlopen_dll( "ntdll.dll", error, error_size, 0, &file_exists ))) return;
|
|
|
|
if (!(init_func = wine_dlsym( ntdll, "__wine_process_init", error, error_size ))) return;
|
|
|
|
init_func();
|
2003-04-27 02:47:58 +02:00
|
|
|
}
|
|
|
|
|
2003-03-21 22:28:33 +01:00
|
|
|
|
2003-03-20 20:26:18 +01:00
|
|
|
/*
|
|
|
|
* These functions provide wrappers around dlopen() and associated
|
|
|
|
* functions. They work around a bug in glibc 2.1.x where calling
|
|
|
|
* a dl*() function after a previous dl*() function has failed
|
|
|
|
* without a dlerror() call between the two will cause a crash.
|
|
|
|
* They all take a pointer to a buffer that
|
|
|
|
* will receive the error description (from dlerror()). This
|
|
|
|
* parameter may be NULL if the error description is not required.
|
|
|
|
*/
|
|
|
|
|
2005-05-10 17:13:20 +02:00
|
|
|
#ifndef RTLD_FIRST
|
|
|
|
#define RTLD_FIRST 0
|
|
|
|
#endif
|
|
|
|
|
2003-03-20 20:26:18 +01:00
|
|
|
/***********************************************************************
|
|
|
|
* wine_dlopen
|
|
|
|
*/
|
2005-04-25 17:51:45 +02:00
|
|
|
void *wine_dlopen( const char *filename, int flag, char *error, size_t errorsize )
|
2003-03-20 20:26:18 +01:00
|
|
|
{
|
|
|
|
#ifdef HAVE_DLOPEN
|
|
|
|
void *ret;
|
|
|
|
const char *s;
|
|
|
|
dlerror(); dlerror();
|
2005-05-10 17:13:20 +02:00
|
|
|
ret = dlopen( filename, flag | RTLD_FIRST );
|
2003-03-20 20:26:18 +01:00
|
|
|
s = dlerror();
|
2005-04-25 17:51:45 +02:00
|
|
|
if (error && errorsize)
|
2003-03-20 20:26:18 +01:00
|
|
|
{
|
2005-04-25 17:51:45 +02:00
|
|
|
if (s)
|
|
|
|
{
|
|
|
|
size_t len = strlen(s);
|
|
|
|
if (len >= errorsize) len = errorsize - 1;
|
|
|
|
memcpy( error, s, len );
|
|
|
|
error[len] = 0;
|
|
|
|
}
|
|
|
|
else error[0] = 0;
|
2003-03-20 20:26:18 +01:00
|
|
|
}
|
|
|
|
dlerror();
|
|
|
|
return ret;
|
|
|
|
#else
|
|
|
|
if (error)
|
|
|
|
{
|
2005-04-25 17:51:45 +02:00
|
|
|
static const char msg[] = "dlopen interface not detected by configure";
|
|
|
|
size_t len = min( errorsize, sizeof(msg) );
|
|
|
|
memcpy( error, msg, len );
|
|
|
|
error[len - 1] = 0;
|
2003-03-20 20:26:18 +01:00
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* wine_dlsym
|
|
|
|
*/
|
2005-04-25 17:51:45 +02:00
|
|
|
void *wine_dlsym( void *handle, const char *symbol, char *error, size_t errorsize )
|
2003-03-20 20:26:18 +01:00
|
|
|
{
|
|
|
|
#ifdef HAVE_DLOPEN
|
|
|
|
void *ret;
|
|
|
|
const char *s;
|
|
|
|
dlerror(); dlerror();
|
|
|
|
ret = dlsym( handle, symbol );
|
|
|
|
s = dlerror();
|
2005-04-25 17:51:45 +02:00
|
|
|
if (error && errorsize)
|
2003-03-20 20:26:18 +01:00
|
|
|
{
|
2005-04-25 17:51:45 +02:00
|
|
|
if (s)
|
|
|
|
{
|
|
|
|
size_t len = strlen(s);
|
|
|
|
if (len >= errorsize) len = errorsize - 1;
|
|
|
|
memcpy( error, s, len );
|
|
|
|
error[len] = 0;
|
|
|
|
}
|
|
|
|
else error[0] = 0;
|
2003-03-20 20:26:18 +01:00
|
|
|
}
|
|
|
|
dlerror();
|
|
|
|
return ret;
|
|
|
|
#else
|
|
|
|
if (error)
|
|
|
|
{
|
2005-04-25 17:51:45 +02:00
|
|
|
static const char msg[] = "dlopen interface not detected by configure";
|
|
|
|
size_t len = min( errorsize, sizeof(msg) );
|
|
|
|
memcpy( error, msg, len );
|
|
|
|
error[len - 1] = 0;
|
2003-03-20 20:26:18 +01:00
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
* wine_dlclose
|
|
|
|
*/
|
2005-04-25 17:51:45 +02:00
|
|
|
int wine_dlclose( void *handle, char *error, size_t errorsize )
|
2003-03-20 20:26:18 +01:00
|
|
|
{
|
|
|
|
#ifdef HAVE_DLOPEN
|
|
|
|
int ret;
|
|
|
|
const char *s;
|
|
|
|
dlerror(); dlerror();
|
|
|
|
ret = dlclose( handle );
|
|
|
|
s = dlerror();
|
2005-04-25 17:51:45 +02:00
|
|
|
if (error && errorsize)
|
2003-03-20 20:26:18 +01:00
|
|
|
{
|
2005-04-25 17:51:45 +02:00
|
|
|
if (s)
|
|
|
|
{
|
|
|
|
size_t len = strlen(s);
|
|
|
|
if (len >= errorsize) len = errorsize - 1;
|
|
|
|
memcpy( error, s, len );
|
|
|
|
error[len] = 0;
|
|
|
|
}
|
|
|
|
else error[0] = 0;
|
2003-03-20 20:26:18 +01:00
|
|
|
}
|
|
|
|
dlerror();
|
|
|
|
return ret;
|
|
|
|
#else
|
|
|
|
if (error)
|
|
|
|
{
|
2005-04-25 17:51:45 +02:00
|
|
|
static const char msg[] = "dlopen interface not detected by configure";
|
|
|
|
size_t len = min( errorsize, sizeof(msg) );
|
|
|
|
memcpy( error, msg, len );
|
|
|
|
error[len - 1] = 0;
|
2003-03-20 20:26:18 +01:00
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
#endif
|
|
|
|
}
|