1143 lines
38 KiB
C
1143 lines
38 KiB
C
/*
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* DLL imports support
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*
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* Copyright 2000 Alexandre Julliard
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* 2000 Eric Pouech
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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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*/
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#include "config.h"
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#include "wine/port.h"
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#include <ctype.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "build.h"
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struct func
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{
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char *name; /* function name */
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int ordinal; /* function ordinal */
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int ord_only; /* non-zero if function is imported by ordinal */
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};
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struct import
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{
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char *dll; /* dll name */
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int delay; /* delay or not dll loading ? */
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struct func *exports; /* functions exported from this dll */
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int nb_exports; /* number of exported functions */
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struct func *imports; /* functions we want to import from this dll */
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int nb_imports; /* number of imported functions */
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};
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static char **undef_symbols; /* list of undefined symbols */
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static int nb_undef_symbols = -1;
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static int undef_size;
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static char **ignore_symbols; /* list of symbols to ignore */
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static int nb_ignore_symbols;
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static int ignore_size;
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static char *ld_tmp_file; /* ld temp file name */
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static struct import **dll_imports = NULL;
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static int nb_imports = 0; /* number of imported dlls (delayed or not) */
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static int nb_delayed = 0; /* number of delayed dlls */
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static int total_imports = 0; /* total number of imported functions */
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static int total_delayed = 0; /* total number of imported functions in delayed DLLs */
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/* list of symbols that are ignored by default */
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static const char * const default_ignored_symbols[] =
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{
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"abs",
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"acos",
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"asin",
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"atan",
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"atan2",
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"atof",
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"atoi",
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"atol",
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"bsearch",
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"ceil",
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"cos",
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"cosh",
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"div",
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"exp",
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"fabs",
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"floor",
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"fmod",
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"frexp",
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"labs",
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"ldiv",
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"log",
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"log10",
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"memchr",
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"memcmp",
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"memcpy",
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"memmove",
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"memset",
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"modf",
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"pow",
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"qsort",
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"sin",
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"sinh",
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"sqrt",
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"strcat",
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"strchr",
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"strcmp",
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"strcpy",
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"strcspn",
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"strlen",
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"strncat",
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"strncmp",
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"strncpy",
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"strpbrk",
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"strrchr",
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"strspn",
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"strstr",
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"tan",
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"tanh"
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};
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/* compare function names; helper for resolve_imports */
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static int name_cmp( const void *name, const void *entry )
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{
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return strcmp( *(char **)name, *(char **)entry );
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}
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/* compare function names; helper for resolve_imports */
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static int func_cmp( const void *func1, const void *func2 )
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{
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return strcmp( ((struct func *)func1)->name, ((struct func *)func2)->name );
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}
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/* locate a symbol in a (sorted) list */
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inline static const char *find_symbol( const char *name, char **table, int size )
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{
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char **res = NULL;
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if (table) {
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res = bsearch( &name, table, size, sizeof(*table), name_cmp );
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}
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return res ? *res : NULL;
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}
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/* locate an export in a (sorted) export list */
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inline static struct func *find_export( const char *name, struct func *table, int size )
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{
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struct func func, *res = NULL;
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func.name = (char *)name;
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func.ordinal = -1;
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if (table) res = bsearch( &func, table, size, sizeof(*table), func_cmp );
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return res;
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}
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/* sort a symbol table */
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inline static void sort_symbols( char **table, int size )
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{
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if (table )
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qsort( table, size, sizeof(*table), name_cmp );
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}
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/* free an import structure */
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static void free_imports( struct import *imp )
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{
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int i;
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for (i = 0; i < imp->nb_exports; i++) free( imp->exports[i].name );
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for (i = 0; i < imp->nb_imports; i++) free( imp->imports[i].name );
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free( imp->exports );
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free( imp->imports );
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free( imp->dll );
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free( imp );
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}
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/* remove the temp file at exit */
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static void remove_ld_tmp_file(void)
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{
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if (ld_tmp_file) unlink( ld_tmp_file );
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}
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/* check whether a given dll has already been imported */
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static int is_already_imported( const char *name )
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{
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int i;
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for (i = 0; i < nb_imports; i++)
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{
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if (!strcmp( dll_imports[i]->dll, name )) return 1;
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}
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return 0;
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}
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/* open the .so library for a given dll in a specified path */
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static char *try_library_path( const char *path, const char *name )
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{
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char *buffer;
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int fd;
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buffer = xmalloc( strlen(path) + strlen(name) + 9 );
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sprintf( buffer, "%s/lib%s.def", path, name );
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/* check if the file exists */
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if ((fd = open( buffer, O_RDONLY )) != -1)
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{
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close( fd );
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return buffer;
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}
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free( buffer );
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return NULL;
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}
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/* open the .so library for a given dll */
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static char *open_library( const char *name )
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{
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char *fullname;
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int i;
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for (i = 0; i < nb_lib_paths; i++)
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{
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if ((fullname = try_library_path( lib_path[i], name ))) return fullname;
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}
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if (!(fullname = try_library_path( ".", name )))
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fatal_error( "could not open .def file for %s\n", name );
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return fullname;
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}
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/* skip whitespace until the next token */
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static char *skip_whitespace( char *p )
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{
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while (*p && isspace(*p)) p++;
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if (!*p || *p == ';') p = NULL;
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return p;
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}
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/* skip to the start of the next token, null terminating the current one */
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static char *next_token( char *p )
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{
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while (*p && !isspace(*p)) p++;
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if (*p) *p++ = 0;
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return skip_whitespace( p );
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}
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/* remove the @nn suffix from stdcall names */
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static char *remove_stdcall_decoration( char *buffer )
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{
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char *p = buffer + strlen(buffer) - 1;
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while (p > buffer && isdigit(*p)) p--;
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if (p > buffer && *p == '@') *p = 0;
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return buffer;
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}
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/* read in the list of exported symbols of an import library */
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static int read_import_lib( const char *name, struct import *imp )
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{
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FILE *f;
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char buffer[1024];
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char *fullname;
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int size;
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imp->exports = NULL;
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imp->nb_exports = size = 0;
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fullname = open_library( name );
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f = open_input_file( NULL, fullname );
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free( fullname );
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while (fgets( buffer, sizeof(buffer), f ))
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{
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char *name, *flags;
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int ordinal = 0, ord_only = 0;
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char *p = buffer + strlen(buffer) - 1;
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if (p < buffer) goto next;
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if (*p == '\n') *p-- = 0;
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p = buffer;
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if (!(p = skip_whitespace(p))) goto next;
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name = p;
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p = next_token( name );
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if (!strcmp( name, "LIBRARY" ))
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{
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if (!p)
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{
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error( "Expected name after LIBRARY\n" );
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goto next;
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}
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name = p;
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p = next_token( name );
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if (p)
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{
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error( "Garbage after LIBRARY statement\n" );
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goto next;
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}
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if (is_already_imported( name ))
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{
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close_input_file( f );
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return 0; /* ignore this dll */
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}
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free( imp->dll );
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imp->dll = xstrdup( name );
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goto next;
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}
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if (!strcmp( name, "EXPORTS" )) goto next;
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/* check for ordinal */
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if (!p)
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{
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error( "Expected ordinal after function name\n" );
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goto next;
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}
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if (*p != '@' || !isdigit(p[1]))
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{
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error( "Expected ordinal after function name '%s'\n", name );
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goto next;
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}
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ordinal = strtol( p+1, &p, 10 );
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if (ordinal >= MAX_ORDINALS)
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{
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error( "Invalid ordinal number %d\n", ordinal );
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goto next;
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}
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/* check for optional flags */
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while (p && (p = skip_whitespace(p)))
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{
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flags = p;
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p = next_token( flags );
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if (!strcmp( flags, "NONAME" ))
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{
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ord_only = 1;
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if (!ordinal)
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{
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error( "Invalid ordinal number %d\n", ordinal );
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goto next;
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}
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}
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else if (!strcmp( flags, "CONSTANT" ) || !strcmp( flags, "DATA" ))
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{
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/* we don't support importing non-function entry points */
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goto next;
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}
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else
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{
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error( "Garbage after ordinal declaration\n" );
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goto next;
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}
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}
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if (imp->nb_exports == size)
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{
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size += 128;
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imp->exports = xrealloc( imp->exports, size * sizeof(*imp->exports) );
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}
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if ((p = strchr( name, '=' ))) *p = 0;
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remove_stdcall_decoration( name );
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imp->exports[imp->nb_exports].name = xstrdup( name );
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imp->exports[imp->nb_exports].ordinal = ordinal;
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imp->exports[imp->nb_exports].ord_only = ord_only;
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imp->nb_exports++;
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next:
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current_line++;
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}
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close_input_file( f );
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if (imp->nb_exports)
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qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
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return !nb_errors;
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}
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/* add a dll to the list of imports */
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void add_import_dll( const char *name, int delay )
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{
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struct import *imp;
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char *fullname;
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fullname = xmalloc( strlen(name) + 5 );
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strcpy( fullname, name );
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if (!strchr( fullname, '.' )) strcat( fullname, ".dll" );
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/* check if we already imported it */
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if (is_already_imported( fullname ))
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{
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free( fullname );
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return;
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}
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imp = xmalloc( sizeof(*imp) );
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imp->dll = fullname;
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imp->delay = delay;
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imp->imports = NULL;
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imp->nb_imports = 0;
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if (delay) nb_delayed++;
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if (read_import_lib( name, imp ))
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{
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dll_imports = xrealloc( dll_imports, (nb_imports+1) * sizeof(*dll_imports) );
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dll_imports[nb_imports++] = imp;
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}
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else
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{
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free_imports( imp );
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if (nb_errors) exit(1);
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}
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}
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/* remove an imported dll, based on its index in the dll_imports array */
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static void remove_import_dll( int index )
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{
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struct import *imp = dll_imports[index];
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memmove( &dll_imports[index], &dll_imports[index+1], sizeof(imp) * (nb_imports - index - 1) );
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nb_imports--;
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if (imp->delay) nb_delayed--;
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free_imports( imp );
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}
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/* initialize the list of ignored symbols */
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static void init_ignored_symbols(void)
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{
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int i;
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nb_ignore_symbols = sizeof(default_ignored_symbols)/sizeof(default_ignored_symbols[0]);
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ignore_size = nb_ignore_symbols + 32;
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ignore_symbols = xmalloc( ignore_size * sizeof(*ignore_symbols) );
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for (i = 0; i < nb_ignore_symbols; i++)
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ignore_symbols[i] = xstrdup( default_ignored_symbols[i] );
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}
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/* add a symbol to the ignored symbol list */
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/* if the name starts with '-' the symbol is removed instead */
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void add_ignore_symbol( const char *name )
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{
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int i;
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if (!ignore_symbols) init_ignored_symbols(); /* first time around, fill list with defaults */
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if (name[0] == '-') /* remove it */
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{
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if (!name[1]) /* remove everything */
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{
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for (i = 0; i < nb_ignore_symbols; i++) free( ignore_symbols[i] );
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nb_ignore_symbols = 0;
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}
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else
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{
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for (i = 0; i < nb_ignore_symbols; i++)
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{
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if (!strcmp( ignore_symbols[i], name+1 ))
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{
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free( ignore_symbols[i] );
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memmove( &ignore_symbols[i], &ignore_symbols[i+1], nb_ignore_symbols - i - 1 );
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nb_ignore_symbols--;
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}
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}
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}
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}
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else
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{
|
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if (nb_ignore_symbols == ignore_size)
|
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{
|
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ignore_size += 32;
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ignore_symbols = xrealloc( ignore_symbols, ignore_size * sizeof(*ignore_symbols) );
|
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}
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ignore_symbols[nb_ignore_symbols++] = xstrdup( name );
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}
|
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}
|
|
|
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/* add a function to the list of imports from a given dll */
|
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static void add_import_func( struct import *imp, const struct func *func )
|
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{
|
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imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) );
|
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imp->imports[imp->nb_imports].name = xstrdup( func->name );
|
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imp->imports[imp->nb_imports].ordinal = func->ordinal;
|
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imp->imports[imp->nb_imports].ord_only = func->ord_only;
|
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imp->nb_imports++;
|
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total_imports++;
|
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if (imp->delay) total_delayed++;
|
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}
|
|
|
|
/* add a symbol to the undef list */
|
|
inline static void add_undef_symbol( const char *name )
|
|
{
|
|
if (nb_undef_symbols == undef_size)
|
|
{
|
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undef_size += 128;
|
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undef_symbols = xrealloc( undef_symbols, undef_size * sizeof(*undef_symbols) );
|
|
}
|
|
undef_symbols[nb_undef_symbols++] = xstrdup( name );
|
|
}
|
|
|
|
/* remove all the holes in the undefined symbol list; return the number of removed symbols */
|
|
static int remove_symbol_holes(void)
|
|
{
|
|
int i, off;
|
|
for (i = off = 0; i < nb_undef_symbols; i++)
|
|
{
|
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if (!undef_symbols[i]) off++;
|
|
else undef_symbols[i - off] = undef_symbols[i];
|
|
}
|
|
nb_undef_symbols -= off;
|
|
return off;
|
|
}
|
|
|
|
/* add a symbol to the extra list, but only if needed */
|
|
static int add_extra_symbol( const char **extras, int *count, const char *name )
|
|
{
|
|
int i;
|
|
|
|
if (!find_symbol( name, undef_symbols, nb_undef_symbols ))
|
|
{
|
|
/* check if the symbol is being exported by this dll */
|
|
for (i = 0; i < nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = EntryPoints[i];
|
|
if (odp->type == TYPE_STDCALL ||
|
|
odp->type == TYPE_CDECL ||
|
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odp->type == TYPE_VARARGS ||
|
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odp->type == TYPE_EXTERN)
|
|
{
|
|
if (odp->name && !strcmp( odp->name, name )) return 0;
|
|
}
|
|
}
|
|
extras[*count] = name;
|
|
(*count)++;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* add the extra undefined symbols that will be contained in the generated spec file itself */
|
|
static void add_extra_undef_symbols(void)
|
|
{
|
|
const char *extras[10];
|
|
int i, count = 0, nb_stubs = 0, nb_regs = 0;
|
|
int kernel_imports = 0, ntdll_imports = 0;
|
|
|
|
sort_symbols( undef_symbols, nb_undef_symbols );
|
|
|
|
for (i = 0; i < nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = EntryPoints[i];
|
|
if (odp->type == TYPE_STUB) nb_stubs++;
|
|
if (odp->flags & FLAG_REGISTER) nb_regs++;
|
|
}
|
|
|
|
/* add symbols that will be contained in the spec file itself */
|
|
switch (SpecMode)
|
|
{
|
|
case SPEC_MODE_DLL:
|
|
break;
|
|
case SPEC_MODE_GUIEXE:
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetCommandLineA" );
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetStartupInfoA" );
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetModuleHandleA" );
|
|
/* fall through */
|
|
case SPEC_MODE_CUIEXE:
|
|
kernel_imports += add_extra_symbol( extras, &count, "ExitProcess" );
|
|
break;
|
|
case SPEC_MODE_GUIEXE_UNICODE:
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetCommandLineA" );
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetStartupInfoA" );
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetModuleHandleA" );
|
|
/* fall through */
|
|
case SPEC_MODE_CUIEXE_UNICODE:
|
|
kernel_imports += add_extra_symbol( extras, &count, "ExitProcess" );
|
|
break;
|
|
}
|
|
if (nb_delayed)
|
|
{
|
|
kernel_imports += add_extra_symbol( extras, &count, "LoadLibraryA" );
|
|
kernel_imports += add_extra_symbol( extras, &count, "GetProcAddress" );
|
|
}
|
|
if (nb_regs)
|
|
ntdll_imports += add_extra_symbol( extras, &count, "__wine_call_from_32_regs" );
|
|
if (nb_delayed || nb_stubs)
|
|
ntdll_imports += add_extra_symbol( extras, &count, "RtlRaiseException" );
|
|
|
|
/* make sure we import the dlls that contain these functions */
|
|
if (kernel_imports) add_import_dll( "kernel32", 0 );
|
|
if (ntdll_imports) add_import_dll( "ntdll", 0 );
|
|
|
|
if (count)
|
|
{
|
|
for (i = 0; i < count; i++) add_undef_symbol( extras[i] );
|
|
sort_symbols( undef_symbols, nb_undef_symbols );
|
|
}
|
|
}
|
|
|
|
/* check if a given imported dll is not needed, taking forwards into account */
|
|
static int check_unused( const struct import* imp )
|
|
{
|
|
int i;
|
|
size_t len = strlen(imp->dll);
|
|
const char *p = strchr( imp->dll, '.' );
|
|
if (p && !strcasecmp( p, ".dll" )) len = p - imp->dll;
|
|
|
|
for (i = Base; i <= Limit; i++)
|
|
{
|
|
ORDDEF *odp = Ordinals[i];
|
|
if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
|
|
if (!strncasecmp( odp->link_name, imp->dll, len ) &&
|
|
odp->link_name[len] == '.')
|
|
return 0; /* found a forward, it is used */
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* combine a list of object files with ld into a single object file */
|
|
/* returns the name of the combined file */
|
|
static const char *ldcombine_files( char **argv )
|
|
{
|
|
int i, len = 0;
|
|
char *cmd;
|
|
int fd, err;
|
|
|
|
if (output_file_name && output_file_name[0])
|
|
{
|
|
ld_tmp_file = xmalloc( strlen(output_file_name) + 10 );
|
|
strcpy( ld_tmp_file, output_file_name );
|
|
strcat( ld_tmp_file, ".XXXXXX.o" );
|
|
}
|
|
else ld_tmp_file = xstrdup( "/tmp/winebuild.tmp.XXXXXX.o" );
|
|
|
|
if ((fd = mkstemps( ld_tmp_file, 2 ) == -1)) fatal_error( "could not generate a temp file\n" );
|
|
close( fd );
|
|
atexit( remove_ld_tmp_file );
|
|
|
|
for (i = 0; argv[i]; i++) len += strlen(argv[i]) + 1;
|
|
cmd = xmalloc( len + strlen(ld_tmp_file) + 10 );
|
|
sprintf( cmd, "ld -r -o %s", ld_tmp_file );
|
|
for (i = 0; argv[i]; i++) sprintf( cmd + strlen(cmd), " %s", argv[i] );
|
|
err = system( cmd );
|
|
if (err) fatal_error( "ld -r failed with status %d\n", err );
|
|
free( cmd );
|
|
return ld_tmp_file;
|
|
}
|
|
|
|
/* read in the list of undefined symbols */
|
|
void read_undef_symbols( char **argv )
|
|
{
|
|
FILE *f;
|
|
char buffer[1024];
|
|
int err;
|
|
const char *name;
|
|
|
|
if (!argv[0]) return;
|
|
|
|
undef_size = nb_undef_symbols = 0;
|
|
|
|
/* if we have multiple object files, link them together */
|
|
if (argv[1]) name = ldcombine_files( argv );
|
|
else name = argv[0];
|
|
|
|
sprintf( buffer, "nm -u %s", name );
|
|
if (!(f = popen( buffer, "r" )))
|
|
fatal_error( "Cannot execute '%s'\n", buffer );
|
|
|
|
while (fgets( buffer, sizeof(buffer), f ))
|
|
{
|
|
char *p = buffer + strlen(buffer) - 1;
|
|
if (p < buffer) continue;
|
|
if (*p == '\n') *p-- = 0;
|
|
p = buffer;
|
|
while (*p == ' ') p++;
|
|
if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
|
|
add_undef_symbol( p );
|
|
}
|
|
if ((err = pclose( f ))) fatal_error( "nm -u %s error %d\n", name, err );
|
|
}
|
|
|
|
static void remove_ignored_symbols(void)
|
|
{
|
|
int i;
|
|
|
|
if (!ignore_symbols) init_ignored_symbols();
|
|
sort_symbols( ignore_symbols, nb_ignore_symbols );
|
|
for (i = 0; i < nb_undef_symbols; i++)
|
|
{
|
|
if (find_symbol( undef_symbols[i], ignore_symbols, nb_ignore_symbols ))
|
|
{
|
|
free( undef_symbols[i] );
|
|
undef_symbols[i] = NULL;
|
|
}
|
|
}
|
|
remove_symbol_holes();
|
|
}
|
|
|
|
/* resolve the imports for a Win32 module */
|
|
int resolve_imports( void )
|
|
{
|
|
int i, j;
|
|
|
|
if (nb_undef_symbols == -1) return 0; /* no symbol file specified */
|
|
|
|
add_extra_undef_symbols();
|
|
remove_ignored_symbols();
|
|
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
struct import *imp = dll_imports[i];
|
|
|
|
for (j = 0; j < nb_undef_symbols; j++)
|
|
{
|
|
struct func *func = find_export( undef_symbols[j], imp->exports, imp->nb_exports );
|
|
if (func)
|
|
{
|
|
add_import_func( imp, func );
|
|
free( undef_symbols[j] );
|
|
undef_symbols[j] = NULL;
|
|
}
|
|
}
|
|
/* remove all the holes in the undef symbols list */
|
|
if (!remove_symbol_holes() && check_unused( imp ))
|
|
{
|
|
/* the dll is not used, get rid of it */
|
|
warning( "%s imported but no symbols used\n", imp->dll );
|
|
remove_import_dll( i );
|
|
i--;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* output the import table of a Win32 module */
|
|
static int output_immediate_imports( FILE *outfile )
|
|
{
|
|
int i, j, pos;
|
|
int nb_imm = nb_imports - nb_delayed;
|
|
|
|
if (!nb_imm) goto done;
|
|
|
|
/* main import header */
|
|
|
|
fprintf( outfile, "\nstatic struct {\n" );
|
|
fprintf( outfile, " struct {\n" );
|
|
fprintf( outfile, " void *OriginalFirstThunk;\n" );
|
|
fprintf( outfile, " unsigned int TimeDateStamp;\n" );
|
|
fprintf( outfile, " unsigned int ForwarderChain;\n" );
|
|
fprintf( outfile, " const char *Name;\n" );
|
|
fprintf( outfile, " void *FirstThunk;\n" );
|
|
fprintf( outfile, " } imp[%d];\n", nb_imm+1 );
|
|
fprintf( outfile, " const char *data[%d];\n",
|
|
total_imports - total_delayed + nb_imm );
|
|
fprintf( outfile, "} imports = {\n {\n" );
|
|
|
|
/* list of dlls */
|
|
|
|
for (i = j = 0; i < nb_imports; i++)
|
|
{
|
|
if (dll_imports[i]->delay) continue;
|
|
fprintf( outfile, " { 0, 0, 0, \"%s\", &imports.data[%d] },\n",
|
|
dll_imports[i]->dll, j );
|
|
j += dll_imports[i]->nb_imports + 1;
|
|
}
|
|
|
|
fprintf( outfile, " { 0, 0, 0, 0, 0 },\n" );
|
|
fprintf( outfile, " },\n {\n" );
|
|
|
|
/* list of imported functions */
|
|
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
if (dll_imports[i]->delay) continue;
|
|
fprintf( outfile, " /* %s */\n", dll_imports[i]->dll );
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++)
|
|
{
|
|
struct func *import = &dll_imports[i]->imports[j];
|
|
if (!import->ord_only)
|
|
{
|
|
unsigned short ord = import->ordinal;
|
|
fprintf( outfile, " \"\\%03o\\%03o%s\",\n",
|
|
*(unsigned char *)&ord, *((unsigned char *)&ord + 1), import->name );
|
|
}
|
|
else
|
|
fprintf( outfile, " (char *)%d,\n", import->ordinal );
|
|
}
|
|
fprintf( outfile, " 0,\n" );
|
|
}
|
|
fprintf( outfile, " }\n};\n\n" );
|
|
|
|
/* thunks for imported functions */
|
|
|
|
fprintf( outfile, "#ifndef __GNUC__\nstatic void __asm__dummy_import(void) {\n#endif\n\n" );
|
|
pos = 20 * (nb_imm + 1); /* offset of imports.data from start of imports */
|
|
fprintf( outfile, "asm(\".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
if (dll_imports[i]->delay) continue;
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += 4)
|
|
{
|
|
struct func *import = &dll_imports[i]->imports[j];
|
|
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", import->name );
|
|
fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", import->name );
|
|
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t", import->name);
|
|
|
|
#if defined(__i386__)
|
|
if (strstr( import->name, "__wine_call_from_16" ))
|
|
fprintf( outfile, ".byte 0x2e\\n\\tjmp *(imports+%d)\\n\\tnop\\n", pos );
|
|
else
|
|
fprintf( outfile, "jmp *(imports+%d)\\n\\tmovl %%esi,%%esi\\n", pos );
|
|
#elif defined(__sparc__)
|
|
if ( !UsePIC )
|
|
{
|
|
fprintf( outfile, "sethi %%hi(imports+%d), %%g1\\n\\t", pos );
|
|
fprintf( outfile, "ld [%%g1+%%lo(imports+%d)], %%g1\\n\\t", pos );
|
|
fprintf( outfile, "jmp %%g1\\n\\tnop\\n" );
|
|
}
|
|
else
|
|
{
|
|
/* Hmpf. Stupid sparc assembler always interprets global variable
|
|
names as GOT offsets, so we have to do it the long way ... */
|
|
fprintf( outfile, "save %%sp, -96, %%sp\\n" );
|
|
fprintf( outfile, "0:\\tcall 1f\\n\\tnop\\n" );
|
|
fprintf( outfile, "1:\\tsethi %%hi(imports+%d-0b), %%g1\\n\\t", pos );
|
|
fprintf( outfile, "or %%g1, %%lo(imports+%d-0b), %%g1\\n\\t", pos );
|
|
fprintf( outfile, "ld [%%g1+%%o7], %%g1\\n\\t" );
|
|
fprintf( outfile, "jmp %%g1\\n\\trestore\\n" );
|
|
}
|
|
|
|
#elif defined(__PPC__)
|
|
fprintf(outfile, "\taddi 1, 1, -0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tstw 9, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, -0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tstw 8, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, -0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tstw 7, 0(1)\\n\"\n");
|
|
|
|
fprintf(outfile, "\t\"\\tlis 9,imports+%d@ha\\n\"\n", pos);
|
|
fprintf(outfile, "\t\"\\tla 8,imports+%d@l(9)\\n\"\n", pos);
|
|
fprintf(outfile, "\t\"\\tlwz 7, 0(8)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tmtctr 7\\n\"\n");
|
|
|
|
fprintf(outfile, "\t\"\\tlwz 7, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tlwz 8, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tlwz 9, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tbctr\\n");
|
|
#else
|
|
#error You need to define import thunks for your architecture!
|
|
#endif
|
|
fprintf( outfile, "\"\n" );
|
|
}
|
|
pos += 4;
|
|
}
|
|
fprintf( outfile, "\".section\\t\\\".text\\\"\");\n#ifndef __GNUC__\n}\n#endif\n\n" );
|
|
|
|
done:
|
|
return nb_imm;
|
|
}
|
|
|
|
/* output the delayed import table of a Win32 module */
|
|
static int output_delayed_imports( FILE *outfile )
|
|
{
|
|
int i, idx, j, pos;
|
|
|
|
if (!nb_delayed) goto done;
|
|
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
if (!dll_imports[i]->delay) continue;
|
|
fprintf( outfile, "static void *__wine_delay_imp_%d_hmod;\n", i);
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++)
|
|
{
|
|
fprintf( outfile, "void __wine_delay_imp_%d_%s();\n",
|
|
i, dll_imports[i]->imports[j].name );
|
|
}
|
|
}
|
|
fprintf( outfile, "\n" );
|
|
fprintf( outfile, "static struct {\n" );
|
|
fprintf( outfile, " struct ImgDelayDescr {\n" );
|
|
fprintf( outfile, " unsigned int grAttrs;\n" );
|
|
fprintf( outfile, " const char *szName;\n" );
|
|
fprintf( outfile, " void **phmod;\n" );
|
|
fprintf( outfile, " void **pIAT;\n" );
|
|
fprintf( outfile, " const char **pINT;\n" );
|
|
fprintf( outfile, " void* pBoundIAT;\n" );
|
|
fprintf( outfile, " void* pUnloadIAT;\n" );
|
|
fprintf( outfile, " unsigned long dwTimeStamp;\n" );
|
|
fprintf( outfile, " } imp[%d];\n", nb_delayed );
|
|
fprintf( outfile, " void *IAT[%d];\n", total_delayed );
|
|
fprintf( outfile, " const char *INT[%d];\n", total_delayed );
|
|
fprintf( outfile, "} delay_imports = {\n" );
|
|
fprintf( outfile, " {\n" );
|
|
for (i = j = 0; i < nb_imports; i++)
|
|
{
|
|
if (!dll_imports[i]->delay) continue;
|
|
fprintf( outfile, " { 0, \"%s\", &__wine_delay_imp_%d_hmod, &delay_imports.IAT[%d], &delay_imports.INT[%d], 0, 0, 0 },\n",
|
|
dll_imports[i]->dll, i, j, j );
|
|
j += dll_imports[i]->nb_imports;
|
|
}
|
|
fprintf( outfile, " },\n {\n" );
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
if (!dll_imports[i]->delay) continue;
|
|
fprintf( outfile, " /* %s */\n", dll_imports[i]->dll );
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++)
|
|
{
|
|
fprintf( outfile, " &__wine_delay_imp_%d_%s,\n", i, dll_imports[i]->imports[j].name);
|
|
}
|
|
}
|
|
fprintf( outfile, " },\n {\n" );
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
if (!dll_imports[i]->delay) continue;
|
|
fprintf( outfile, " /* %s */\n", dll_imports[i]->dll );
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++)
|
|
{
|
|
struct func *import = &dll_imports[i]->imports[j];
|
|
if (import->ord_only)
|
|
fprintf( outfile, " (char *)%d,\n", import->ordinal );
|
|
else
|
|
fprintf( outfile, " \"%s\",\n", import->name );
|
|
}
|
|
}
|
|
fprintf( outfile, " }\n};\n\n" );
|
|
|
|
/* check if there's some stub defined. if so, exception struct
|
|
* is already defined, so don't emit it twice
|
|
*/
|
|
for (i = 0; i < nb_entry_points; i++) if (EntryPoints[i]->type == TYPE_STUB) break;
|
|
|
|
if (i == nb_entry_points) {
|
|
fprintf( outfile, "struct exc_record {\n" );
|
|
fprintf( outfile, " unsigned int code, flags;\n" );
|
|
fprintf( outfile, " void *rec, *addr;\n" );
|
|
fprintf( outfile, " unsigned int params;\n" );
|
|
fprintf( outfile, " const void *info[15];\n" );
|
|
fprintf( outfile, "};\n\n" );
|
|
fprintf( outfile, "extern void __stdcall RtlRaiseException( struct exc_record * );\n" );
|
|
}
|
|
|
|
fprintf( outfile, "extern void * __stdcall LoadLibraryA(const char*);\n");
|
|
fprintf( outfile, "extern void * __stdcall GetProcAddress(void *, const char*);\n");
|
|
fprintf( outfile, "\n" );
|
|
|
|
fprintf( outfile, "void *__stdcall __wine_delay_load( int idx_nr )\n" );
|
|
fprintf( outfile, "{\n" );
|
|
fprintf( outfile, " int idx = idx_nr >> 16, nr = idx_nr & 0xffff;\n" );
|
|
fprintf( outfile, " struct ImgDelayDescr *imd = delay_imports.imp + idx;\n" );
|
|
fprintf( outfile, " void **pIAT = imd->pIAT + nr;\n" );
|
|
fprintf( outfile, " const char** pINT = imd->pINT + nr;\n" );
|
|
fprintf( outfile, " void *fn;\n\n" );
|
|
|
|
fprintf( outfile, " if (!*imd->phmod) *imd->phmod = LoadLibraryA(imd->szName);\n" );
|
|
fprintf( outfile, " if (*imd->phmod && (fn = GetProcAddress(*imd->phmod, *pINT)))\n");
|
|
fprintf( outfile, " /* patch IAT with final value */\n" );
|
|
fprintf( outfile, " return *pIAT = fn;\n" );
|
|
fprintf( outfile, " else {\n");
|
|
fprintf( outfile, " struct exc_record rec;\n" );
|
|
fprintf( outfile, " rec.code = 0x80000100;\n" );
|
|
fprintf( outfile, " rec.flags = 1;\n" );
|
|
fprintf( outfile, " rec.rec = 0;\n" );
|
|
fprintf( outfile, " rec.params = 2;\n" );
|
|
fprintf( outfile, " rec.info[0] = imd->szName;\n" );
|
|
fprintf( outfile, " rec.info[1] = *pINT + 2;\n" );
|
|
fprintf( outfile, "#ifdef __GNUC__\n" );
|
|
fprintf( outfile, " rec.addr = __builtin_return_address(1);\n" );
|
|
fprintf( outfile, "#else\n" );
|
|
fprintf( outfile, " rec.addr = 0;\n" );
|
|
fprintf( outfile, "#endif\n" );
|
|
fprintf( outfile, " for (;;) RtlRaiseException( &rec );\n" );
|
|
fprintf( outfile, " return 0; /* shouldn't go here */\n" );
|
|
fprintf( outfile, " }\n}\n\n" );
|
|
|
|
fprintf( outfile, "#ifndef __GNUC__\n" );
|
|
fprintf( outfile, "static void __asm__dummy_delay_import(void) {\n" );
|
|
fprintf( outfile, "#endif\n" );
|
|
|
|
fprintf( outfile, "asm(\".align %d\\n\"\n", get_alignment(8) );
|
|
fprintf( outfile, " \"\\t" __ASM_FUNC("__wine_delay_load_asm") "\\n\"\n" );
|
|
fprintf( outfile, " \"" __ASM_NAME("__wine_delay_load_asm") ":\\n\"\n" );
|
|
#if defined(__i386__)
|
|
fprintf( outfile, " \"\\tpushl %%ecx\\n\\tpushl %%edx\\n\\tpushl %%eax\\n\"\n" );
|
|
fprintf( outfile, " \"\\tcall __wine_delay_load\\n\"\n" );
|
|
fprintf( outfile, " \"\\tpopl %%edx\\n\\tpopl %%ecx\\n\\tjmp *%%eax\\n\"\n" );
|
|
#elif defined(__sparc__)
|
|
fprintf( outfile, " \"\\tsave %%sp, -96, %%sp\\n\"\n" );
|
|
fprintf( outfile, " \"\\tcall __wine_delay_load\\n\"\n" );
|
|
fprintf( outfile, " \"\\tmov %%g1, %%o0\\n\"\n" );
|
|
fprintf( outfile, " \"\\tjmp %%o0\\n\\trestore\\n\"\n" );
|
|
#elif defined(__PPC__)
|
|
/* Save all callee saved registers into a stackframe. */
|
|
fprintf( outfile, " \"\\tstwu %%r1, -48(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r3, 4(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r4, 8(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r5, 12(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r6, 16(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r7, 20(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r8, 24(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r9, 28(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r10, 32(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r11, 36(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r12, 40(%%r1)\\n\"\n" );
|
|
|
|
/* r0 -> r3 (arg1) */
|
|
fprintf( outfile, " \"\\tmr %%r3, %%r0\\n\"\n" );
|
|
|
|
/* save return address */
|
|
fprintf( outfile, " \"\\tmflr %%r0\\n\"\n" );
|
|
fprintf( outfile, " \"\\tstw %%r0, 44(%%r1)\\n\"\n" );
|
|
|
|
/* Call the __wine_delay_load function, arg1 is arg1. */
|
|
fprintf( outfile, " \"\\tbl __wine_delay_load\\n\"\n" );
|
|
|
|
/* Load return value from call into ctr register */
|
|
fprintf( outfile, " \"\\tmtctr %%r3\\n\"\n" );
|
|
|
|
/* restore all saved registers and drop stackframe. */
|
|
fprintf( outfile, " \"\\tlwz %%r3, 4(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r4, 8(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r5, 12(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r6, 16(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r7, 20(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r8, 24(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r9, 28(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r10, 32(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r11, 36(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tlwz %%r12, 40(%%r1)\\n\"\n" );
|
|
/* Load return value from call into return register */
|
|
fprintf( outfile, " \"\\tlwz %%r0, 44(%%r1)\\n\"\n" );
|
|
fprintf( outfile, " \"\\tmtlr %%r0\\n\"\n" );
|
|
fprintf( outfile, " \"\\taddi %%r1, %%r1, 48\\n\"\n" );
|
|
/* branch to ctr register. */
|
|
fprintf( outfile, " \"\\tbctr\\n\"\n" );
|
|
|
|
#else
|
|
#error You need to defined delayed import thunks for your architecture!
|
|
#endif
|
|
|
|
for (i = idx = 0; i < nb_imports; i++)
|
|
{
|
|
if (!dll_imports[i]->delay) continue;
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++)
|
|
{
|
|
char buffer[128];
|
|
sprintf( buffer, "__wine_delay_imp_%d_%s", i, dll_imports[i]->imports[j].name );
|
|
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer );
|
|
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", buffer );
|
|
#if defined(__i386__)
|
|
fprintf( outfile, " \"\\tmovl $%d, %%eax\\n\"\n", (idx << 16) | j );
|
|
fprintf( outfile, " \"\\tjmp __wine_delay_load_asm\\n\"\n" );
|
|
#elif defined(__sparc__)
|
|
fprintf( outfile, " \"\\tset %d, %%g1\\n\"\n", (idx << 16) | j );
|
|
fprintf( outfile, " \"\\tb,a __wine_delay_load_asm\\n\"\n" );
|
|
#elif defined(__PPC__)
|
|
/* g0 is a function scratch register or so I understand. */
|
|
fprintf( outfile, " \"\\tli %%r0, %d\\n\"\n", (idx << 16) | j );
|
|
fprintf( outfile, " \"\\tb __wine_delay_load_asm\\n\"\n" );
|
|
#else
|
|
#error You need to defined delayed import thunks for your architecture!
|
|
#endif
|
|
}
|
|
idx++;
|
|
}
|
|
|
|
fprintf( outfile, "\n \".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
|
|
pos = nb_delayed * 32;
|
|
for (i = 0; i < nb_imports; i++)
|
|
{
|
|
if (!dll_imports[i]->delay) continue;
|
|
for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += 4)
|
|
{
|
|
struct func *import = &dll_imports[i]->imports[j];
|
|
fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", import->name );
|
|
fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", import->name );
|
|
fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t\"", import->name);
|
|
#if defined(__i386__)
|
|
if (strstr( import->name, "__wine_call_from_16" ))
|
|
fprintf( outfile, "\".byte 0x2e\\n\\tjmp *(delay_imports+%d)\\n\\tnop\\n\"", pos );
|
|
else
|
|
fprintf( outfile, "\"jmp *(delay_imports+%d)\\n\\tmovl %%esi,%%esi\\n\"", pos );
|
|
#elif defined(__sparc__)
|
|
if ( !UsePIC )
|
|
{
|
|
fprintf( outfile, "\"sethi %%hi(delay_imports+%d), %%g1\\n\\t\"", pos );
|
|
fprintf( outfile, "\"ld [%%g1+%%lo(delay_imports+%d)], %%g1\\n\\t\"", pos );
|
|
fprintf( outfile, "\"jmp %%g1\\n\\tnop\\n\"" );
|
|
}
|
|
else
|
|
{
|
|
/* Hmpf. Stupid sparc assembler always interprets global variable
|
|
names as GOT offsets, so we have to do it the long way ... */
|
|
fprintf( outfile, "\"save %%sp, -96, %%sp\\n\"" );
|
|
fprintf( outfile, "\"0:\\tcall 1f\\n\\tnop\\n\"" );
|
|
fprintf( outfile, "\"1:\\tsethi %%hi(delay_imports+%d-0b), %%g1\\n\\t\"", pos );
|
|
fprintf( outfile, "\"or %%g1, %%lo(delay_imports+%d-0b), %%g1\\n\\t\"", pos );
|
|
fprintf( outfile, "\"ld [%%g1+%%o7], %%g1\\n\\t\"" );
|
|
fprintf( outfile, "\"jmp %%g1\\n\\trestore\\n\"" );
|
|
}
|
|
|
|
#elif defined(__PPC__)
|
|
fprintf(outfile, "\t\"addi 1, 1, -0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tstw 9, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, -0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tstw 8, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, -0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tstw 7, 0(1)\\n\"\n");
|
|
|
|
fprintf(outfile, "\t\"\\tlis 9,delay_imports+%d@ha\\n\"\n", pos);
|
|
fprintf(outfile, "\t\"\\tla 8,delay_imports+%d@l(9)\\n\"\n", pos);
|
|
fprintf(outfile, "\t\"\\tlwz 7, 0(8)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tmtctr 7\\n\"\n");
|
|
|
|
fprintf(outfile, "\t\"\\tlwz 7, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tlwz 8, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tlwz 9, 0(1)\\n\"\n");
|
|
fprintf(outfile, "\t\"\\taddi 1, 1, 0x4\\n\"\n");
|
|
fprintf(outfile, "\t\"\\tbctr\\n\"");
|
|
|
|
/*fprintf(outfile, "\t\"li r0,delay_imports\\n\\t\"\n" );
|
|
fprintf(outfile, "\t\"lwz r0, %d(r0)\\n\\t\"\n", pos);
|
|
fprintf(outfile, "\t\"mtctr r0\\n\\t\"\n");
|
|
fprintf(outfile, "\t\"bctr\\n\"");*/
|
|
#else
|
|
#error You need to define delayed import thunks for your architecture!
|
|
#endif
|
|
fprintf( outfile, "\n" );
|
|
}
|
|
}
|
|
fprintf( outfile, "\".section \\\".text\\\"\");\n" );
|
|
fprintf( outfile, "#ifndef __GNUC__\n" );
|
|
fprintf( outfile, "}\n" );
|
|
fprintf( outfile, "#endif\n" );
|
|
fprintf( outfile, "\n" );
|
|
|
|
done:
|
|
return nb_delayed;
|
|
}
|
|
|
|
/* output the import and delayed import tables of a Win32 module
|
|
* returns number of DLLs exported in 'immediate' mode
|
|
*/
|
|
int output_imports( FILE *outfile )
|
|
{
|
|
output_delayed_imports( outfile );
|
|
return output_immediate_imports( outfile );
|
|
}
|