1465 lines
51 KiB
C
1465 lines
51 KiB
C
/*
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* DLL imports support
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*
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* Copyright 2000, 2004 Alexandre Julliard
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* Copyright 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 <assert.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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#include <stdarg.h>
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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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 "wine/list.h"
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#include "build.h"
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struct import_func
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{
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const char *name;
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const char *export_name;
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int ordinal;
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};
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struct import
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{
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struct list entry; /* entry in global dll list */
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char *dll_name; /* exported file name of the dll */
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char *c_name; /* dll name as a C-compatible identifier */
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char *full_name; /* full name of the input file */
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dev_t dev; /* device/inode of the input file */
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ino_t ino;
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ORDDEF **exports; /* functions exported from this dll */
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int nb_exports; /* number of exported functions */
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struct import_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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int max_imports; /* size of imports array */
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};
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static struct strarray undef_symbols; /* list of undefined symbols */
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static struct strarray extra_ld_symbols; /* list of extra symbols that ld should resolve */
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static struct strarray delayed_imports; /* list of delayed import dlls */
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static struct strarray ext_link_imports; /* list of external symbols to link to */
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static struct list dll_imports = LIST_INIT( dll_imports );
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static struct list dll_delayed = LIST_INIT( dll_delayed );
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static struct strarray as_files;
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static const char import_func_prefix[] = "__wine$func$";
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static const char import_ord_prefix[] = "__wine$ord$";
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static inline const char *ppc_reg( int reg )
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{
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static const char * const ppc_regs[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r8", "r9", "r10","r11","r12","r13","r14","r15",
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"r16","r17","r18","r19","r20","r21","r22","r23",
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"r24","r25","r26","r27","r28","r29","r30","r31" };
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if (target_platform == PLATFORM_APPLE) return ppc_regs[reg];
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return ppc_regs[reg] + 1; /* skip the 'r' */
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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( *(const char* const *)name, *(const char* const *)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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const ORDDEF *odp1 = *(const ORDDEF * const *)func1;
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const ORDDEF *odp2 = *(const ORDDEF * const *)func2;
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return strcmp( odp1->name ? odp1->name : odp1->export_name,
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odp2->name ? odp2->name : odp2->export_name );
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}
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/* remove a name from a name table */
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static inline void remove_name( struct strarray *table, unsigned int idx )
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{
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assert( idx < table->count );
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memmove( table->str + idx, table->str + idx + 1,
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(table->count - idx - 1) * sizeof(*table->str) );
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table->count--;
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}
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/* locate a name in a (sorted) list */
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static inline const char *find_name( const char *name, const struct strarray *table )
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{
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char **res = NULL;
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if (table->count) res = bsearch( &name, table->str, table->count, sizeof(*table->str), name_cmp );
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return res ? *res : NULL;
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}
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/* sort a name table */
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static inline void sort_names( struct strarray *table )
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{
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if (table->count) qsort( table->str, table->count, sizeof(*table->str), name_cmp );
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}
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/* locate an export in a (sorted) export list */
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static inline ORDDEF *find_export( const char *name, ORDDEF **table, int size )
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{
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ORDDEF func, *odp, **res = NULL;
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func.name = xstrdup(name);
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func.ordinal = -1;
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odp = &func;
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if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp );
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free( func.name );
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return res ? *res : NULL;
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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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free( imp->exports );
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free( imp->imports );
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free( imp->dll_name );
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free( imp->c_name );
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free( imp->full_name );
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free( imp );
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}
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/* check whether a given dll is imported in delayed mode */
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static int is_delayed_import( const char *name )
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{
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unsigned int i;
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for (i = 0; i < delayed_imports.count; i++)
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{
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if (!strcmp( delayed_imports.str[i], name )) return 1;
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}
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return 0;
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}
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/* find an imported dll from its name */
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static struct import *find_import_dll( const char *name )
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{
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struct import *import;
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LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
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if (!strcasecmp( import->dll_name, name )) return import;
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LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
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if (!strcasecmp( import->dll_name, name )) return import;
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return NULL;
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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 = strmake( "%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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/* find the .def import library for a given dll */
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static char *find_library( const char *name )
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{
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char *fullname;
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unsigned int i;
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for (i = 0; i < lib_path.count; i++)
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{
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if ((fullname = try_library_path( lib_path.str[i], name ))) return fullname;
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}
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fatal_error( "could not open .def file for %s\n", name );
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return NULL;
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}
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/* read in the list of exported symbols of an import library */
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static DLLSPEC *read_import_lib( struct import *imp )
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{
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FILE *f;
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int i;
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struct stat stat;
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struct import *prev_imp;
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DLLSPEC *spec = alloc_dll_spec();
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f = open_input_file( NULL, imp->full_name );
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fstat( fileno(f), &stat );
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imp->dev = stat.st_dev;
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imp->ino = stat.st_ino;
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if (!parse_def_file( f, spec )) exit( 1 );
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close_input_file( f );
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/* check if we already imported that library from a different file */
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if ((prev_imp = find_import_dll( spec->file_name )))
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{
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if (prev_imp->dev != imp->dev || prev_imp->ino != imp->ino)
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fatal_error( "%s and %s have the same export name '%s'\n",
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prev_imp->full_name, imp->full_name, spec->file_name );
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free_dll_spec( spec );
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return NULL; /* the same file was already loaded, ignore this one */
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}
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if (spec->nb_entry_points)
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{
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imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) );
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for (i = 0; i < spec->nb_entry_points; i++)
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imp->exports[imp->nb_exports++] = &spec->entry_points[i];
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qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
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}
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return spec;
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}
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/* build the dll exported name from the import lib name or path */
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static char *get_dll_name( const char *name, const char *filename )
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{
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char *ret;
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if (filename)
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{
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const char *basename = strrchr( filename, '/' );
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if (!basename) basename = filename;
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else basename++;
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if (!strncmp( basename, "lib", 3 )) basename += 3;
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ret = xmalloc( strlen(basename) + 5 );
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strcpy( ret, basename );
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if (strendswith( ret, ".def" )) ret[strlen(ret)-4] = 0;
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}
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else
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{
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ret = xmalloc( strlen(name) + 5 );
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strcpy( ret, name );
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}
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if (!strchr( ret, '.' )) strcat( ret, ".dll" );
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return ret;
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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, const char *filename )
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{
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DLLSPEC *spec;
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char *dll_name = get_dll_name( name, filename );
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struct import *imp = xmalloc( sizeof(*imp) );
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memset( imp, 0, sizeof(*imp) );
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if (filename) imp->full_name = xstrdup( filename );
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else imp->full_name = find_library( name );
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if (!(spec = read_import_lib( imp )))
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{
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free_imports( imp );
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return;
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}
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imp->dll_name = spec->file_name ? spec->file_name : dll_name;
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imp->c_name = make_c_identifier( imp->dll_name );
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if (is_delayed_import( dll_name ))
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list_add_tail( &dll_delayed, &imp->entry );
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else
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list_add_tail( &dll_imports, &imp->entry );
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}
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/* add a library to the list of delayed imports */
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void add_delayed_import( const char *name )
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{
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struct import *imp;
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char *fullname = get_dll_name( name, NULL );
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strarray_add( &delayed_imports, fullname, NULL );
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if ((imp = find_import_dll( fullname )))
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{
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list_remove( &imp->entry );
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list_add_tail( &dll_delayed, &imp->entry );
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}
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}
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/* add a symbol to the list of extra symbols that ld must resolve */
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void add_extra_ld_symbol( const char *name )
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{
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strarray_add( &extra_ld_symbols, name, NULL );
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}
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/* retrieve an imported dll, adding one if necessary */
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struct import *add_static_import_dll( const char *name )
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{
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struct import *import;
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char *dll_name = get_dll_name( name, NULL );
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if ((import = find_import_dll( dll_name ))) return import;
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import = xmalloc( sizeof(*import) );
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memset( import, 0, sizeof(*import) );
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import->dll_name = dll_name;
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import->full_name = xstrdup( dll_name );
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import->c_name = make_c_identifier( dll_name );
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if (is_delayed_import( dll_name ))
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list_add_tail( &dll_delayed, &import->entry );
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else
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list_add_tail( &dll_imports, &import->entry );
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return import;
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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 char *name, const char *export_name, int ordinal )
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{
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if (imp->nb_imports == imp->max_imports)
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{
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imp->max_imports *= 2;
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if (imp->max_imports < 32) imp->max_imports = 32;
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imp->imports = xrealloc( imp->imports, imp->max_imports * sizeof(*imp->imports) );
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}
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imp->imports[imp->nb_imports].name = name;
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imp->imports[imp->nb_imports].export_name = export_name;
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imp->imports[imp->nb_imports].ordinal = ordinal;
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imp->nb_imports++;
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}
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/* add an import for an undefined function of the form __wine$func$ */
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static void add_undef_import( const char *name, int is_ordinal )
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{
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char *p, *dll_name = xstrdup( name );
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int ordinal = 0;
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struct import *import;
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if (!(p = strchr( dll_name, '$' ))) return;
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*p++ = 0;
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while (*p >= '0' && *p <= '9') ordinal = 10 * ordinal + *p++ - '0';
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if (*p != '$') return;
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p++;
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import = add_static_import_dll( dll_name );
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if (is_ordinal)
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add_import_func( import, NULL, xstrdup( p ), ordinal );
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else
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add_import_func( import, xstrdup( p ), NULL, ordinal );
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}
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/* get the default entry point for a given spec file */
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static const char *get_default_entry_point( const DLLSPEC *spec )
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{
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if (spec->characteristics & IMAGE_FILE_DLL) return "__wine_spec_dll_entry";
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if (spec->subsystem == IMAGE_SUBSYSTEM_NATIVE) return "__wine_spec_drv_entry";
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if (spec->type == SPEC_WIN16) return "__wine_spec_exe16_entry";
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return "__wine_spec_exe_entry";
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}
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/* check if the spec file exports any stubs */
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static int has_stubs( const DLLSPEC *spec )
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{
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int i;
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for (i = 0; i < spec->nb_entry_points; i++)
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{
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ORDDEF *odp = &spec->entry_points[i];
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if (odp->type == TYPE_STUB) return 1;
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}
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return 0;
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}
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/* add the extra undefined symbols that will be contained in the generated spec file itself */
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static void add_extra_undef_symbols( DLLSPEC *spec )
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{
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if (!spec->init_func) spec->init_func = xstrdup( get_default_entry_point(spec) );
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add_extra_ld_symbol( spec->init_func );
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if (has_stubs( spec )) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" );
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if (delayed_imports.count) add_extra_ld_symbol( "__wine_spec_delay_load" );
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}
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/* check if a given imported dll is not needed, taking forwards into account */
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static int check_unused( const struct import* imp, const DLLSPEC *spec )
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{
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int i;
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const char *file_name = imp->dll_name;
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size_t len = strlen( file_name );
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const char *p = strchr( file_name, '.' );
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if (p && !strcasecmp( p, ".dll" )) len = p - file_name;
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for (i = spec->base; i <= spec->limit; i++)
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{
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ORDDEF *odp = spec->ordinals[i];
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if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
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if (!strncasecmp( odp->link_name, file_name, len ) &&
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odp->link_name[len] == '.')
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return 0; /* found a forward, it is used */
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}
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return 1;
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}
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/* check if a given forward does exist in one of the imported dlls */
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static void check_undefined_forwards( DLLSPEC *spec )
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{
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struct import *imp;
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char *link_name, *api_name, *dll_name, *p;
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int i;
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for (i = 0; i < spec->nb_entry_points; i++)
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{
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ORDDEF *odp = &spec->entry_points[i];
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if (!(odp->flags & FLAG_FORWARD)) continue;
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link_name = xstrdup( odp->link_name );
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p = strrchr( link_name, '.' );
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*p = 0;
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api_name = p + 1;
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dll_name = get_dll_name( link_name, NULL );
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if ((imp = find_import_dll( dll_name )))
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{
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if (!find_export( api_name, imp->exports, imp->nb_exports ))
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warning( "%s:%d: forward '%s' not found in %s\n",
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spec->src_name, odp->lineno, odp->link_name, imp->dll_name );
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}
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else warning( "%s:%d: forward '%s' not found in the imported dll list\n",
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spec->src_name, odp->lineno, odp->link_name );
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free( link_name );
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free( dll_name );
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}
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}
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/* flag the dll exports that link to an undefined symbol */
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static void check_undefined_exports( DLLSPEC *spec )
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{
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int i;
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for (i = 0; i < spec->nb_entry_points; i++)
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{
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ORDDEF *odp = &spec->entry_points[i];
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if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
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if (odp->flags & FLAG_FORWARD) continue;
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if (find_name( odp->link_name, &undef_symbols ))
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{
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switch(odp->type)
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{
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case TYPE_PASCAL:
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case TYPE_STDCALL:
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case TYPE_CDECL:
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case TYPE_VARARGS:
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if (link_ext_symbols)
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{
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odp->flags |= FLAG_EXT_LINK;
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strarray_add( &ext_link_imports, odp->link_name, NULL );
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}
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else error( "%s:%d: function '%s' not defined\n",
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spec->src_name, odp->lineno, odp->link_name );
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break;
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default:
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error( "%s:%d: external symbol '%s' is not a function\n",
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spec->src_name, odp->lineno, odp->link_name );
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break;
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}
|
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}
|
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}
|
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}
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|
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/* create a .o file that references all the undefined symbols we want to resolve */
|
|
static char *create_undef_symbols_file( DLLSPEC *spec )
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|
{
|
|
char *as_file, *obj_file;
|
|
int i;
|
|
unsigned int j;
|
|
|
|
as_file = open_temp_output_file( ".s" );
|
|
output( "\t.data\n" );
|
|
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
|
|
if (odp->flags & FLAG_FORWARD) continue;
|
|
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name( get_link_name( odp )));
|
|
}
|
|
for (j = 0; j < extra_ld_symbols.count; j++)
|
|
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols.str[j]) );
|
|
fclose( output_file );
|
|
|
|
obj_file = get_temp_file_name( output_file_name, ".o" );
|
|
assemble_file( as_file, obj_file );
|
|
return obj_file;
|
|
}
|
|
|
|
/* 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( DLLSPEC *spec, char **argv )
|
|
{
|
|
char *ld_tmp_file, *undef_file;
|
|
struct strarray args = get_ld_command();
|
|
|
|
undef_file = create_undef_symbols_file( spec );
|
|
ld_tmp_file = get_temp_file_name( output_file_name, ".o" );
|
|
|
|
strarray_add( &args, "-r", "-o", ld_tmp_file, undef_file, NULL );
|
|
strarray_addv( &args, argv );
|
|
spawn( args );
|
|
return ld_tmp_file;
|
|
}
|
|
|
|
/* read in the list of undefined symbols */
|
|
void read_undef_symbols( DLLSPEC *spec, char **argv )
|
|
{
|
|
size_t prefix_len;
|
|
FILE *f;
|
|
const char *prog = get_nm_command();
|
|
char *cmd, buffer[1024], name_prefix[16];
|
|
int err;
|
|
const char *name;
|
|
|
|
if (!argv[0]) return;
|
|
|
|
add_extra_undef_symbols( spec );
|
|
|
|
strcpy( name_prefix, asm_name("") );
|
|
prefix_len = strlen( name_prefix );
|
|
|
|
name = ldcombine_files( spec, argv );
|
|
|
|
cmd = strmake( "%s -u %s", prog, name );
|
|
if (!(f = popen( cmd, "r" )))
|
|
fatal_error( "Cannot execute '%s'\n", cmd );
|
|
|
|
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;
|
|
if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
|
|
if (!strncmp( p, import_func_prefix, strlen(import_func_prefix) ))
|
|
add_undef_import( p + strlen( import_func_prefix ), 0 );
|
|
else if (!strncmp( p, import_ord_prefix, strlen(import_ord_prefix) ))
|
|
add_undef_import( p + strlen( import_ord_prefix ), 1 );
|
|
else strarray_add( &undef_symbols, xstrdup( p ), NULL );
|
|
}
|
|
if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err );
|
|
free( cmd );
|
|
}
|
|
|
|
void resolve_dll_imports( DLLSPEC *spec, struct list *list )
|
|
{
|
|
unsigned int j;
|
|
struct import *imp, *next;
|
|
ORDDEF *odp;
|
|
|
|
LIST_FOR_EACH_ENTRY_SAFE( imp, next, list, struct import, entry )
|
|
{
|
|
for (j = 0; j < undef_symbols.count; j++)
|
|
{
|
|
odp = find_export( undef_symbols.str[j], imp->exports, imp->nb_exports );
|
|
if (odp)
|
|
{
|
|
if (odp->flags & FLAG_PRIVATE) continue;
|
|
if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL)
|
|
warning( "winebuild: Data export '%s' cannot be imported from %s\n",
|
|
odp->link_name, imp->dll_name );
|
|
else
|
|
{
|
|
add_import_func( imp, (odp->flags & FLAG_NONAME) ? NULL : odp->name,
|
|
odp->export_name, odp->ordinal );
|
|
remove_name( &undef_symbols, j-- );
|
|
}
|
|
}
|
|
}
|
|
if (!imp->nb_imports)
|
|
{
|
|
/* the dll is not used, get rid of it */
|
|
if (check_unused( imp, spec ))
|
|
warning( "winebuild: %s imported but no symbols used\n", imp->dll_name );
|
|
list_remove( &imp->entry );
|
|
free_imports( imp );
|
|
}
|
|
}
|
|
}
|
|
|
|
/* resolve the imports for a Win32 module */
|
|
void resolve_imports( DLLSPEC *spec )
|
|
{
|
|
check_undefined_forwards( spec );
|
|
resolve_dll_imports( spec, &dll_imports );
|
|
resolve_dll_imports( spec, &dll_delayed );
|
|
sort_names( &undef_symbols );
|
|
check_undefined_exports( spec );
|
|
}
|
|
|
|
/* check if symbol is still undefined */
|
|
int is_undefined( const char *name )
|
|
{
|
|
return find_name( name, &undef_symbols ) != NULL;
|
|
}
|
|
|
|
/* output the get_pc thunk if needed */
|
|
void output_get_pc_thunk(void)
|
|
{
|
|
assert( target_cpu == CPU_x86 );
|
|
output( "\n\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(4) );
|
|
output( "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") );
|
|
output( "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output_cfi( ".cfi_startproc" );
|
|
output( "\tmovl (%%esp),%%eax\n" );
|
|
output( "\tret\n" );
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( "__wine_spec_get_pc_thunk_eax" );
|
|
}
|
|
|
|
/* output a single import thunk */
|
|
static void output_import_thunk( const char *name, const char *table, int pos )
|
|
{
|
|
output( "\n\t.align %d\n", get_alignment(4) );
|
|
output( "\t%s\n", func_declaration(name) );
|
|
output( "%s\n", asm_globl(name) );
|
|
output_cfi( ".cfi_startproc" );
|
|
|
|
switch(target_cpu)
|
|
{
|
|
case CPU_x86:
|
|
if (!UsePIC)
|
|
{
|
|
output( "\tjmp *(%s+%d)\n", table, pos );
|
|
}
|
|
else
|
|
{
|
|
output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output( "1:\tjmp *%s+%d-1b(%%eax)\n", table, pos );
|
|
needs_get_pc_thunk = 1;
|
|
}
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tjmpq *%s+%d(%%rip)\n", table, pos );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\tldr IP,1f\n");
|
|
output( "\tldr PC,[PC,IP]\n" );
|
|
output( "1:\t.long %s+%u-(1b+4)\n", table, pos );
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tadrp x9, %s\n", table );
|
|
output( "\tadd x9, x9, #:lo12:%s\n", table );
|
|
if (pos & 0xf000) output( "\tadd x9, x9, #%u\n", pos & 0xf000 );
|
|
if (pos & 0x0f00) output( "\tadd x9, x9, #%u\n", pos & 0x0f00 );
|
|
if (pos & 0x00f0) output( "\tadd x9, x9, #%u\n", pos & 0x00f0 );
|
|
if (pos & 0x000f) output( "\tadd x9, x9, #%u\n", pos & 0x000f );
|
|
output( "\tldur x9, [x9, #0]\n" );
|
|
output( "\tbr x9\n" );
|
|
break;
|
|
case CPU_POWERPC:
|
|
output( "\tmr %s, %s\n", ppc_reg(0), ppc_reg(31) );
|
|
if (target_platform == PLATFORM_APPLE)
|
|
{
|
|
output( "\tlis %s, ha16(%s+%d+32768)\n", ppc_reg(31), table, pos );
|
|
output( "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
|
|
}
|
|
else
|
|
{
|
|
output( "\tlis %s, (%s+%d+32768)@h\n", ppc_reg(31), table, pos );
|
|
output( "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
|
|
}
|
|
output( "\tlwz %s, 0(%s)\n", ppc_reg(31), ppc_reg(31) );
|
|
output( "\tmtctr %s\n", ppc_reg(31) );
|
|
output( "\tmr %s, %s\n", ppc_reg(31), ppc_reg(0) );
|
|
output( "\tbctr\n" );
|
|
break;
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( name );
|
|
}
|
|
|
|
/* check if we need an import directory */
|
|
int has_imports(void)
|
|
{
|
|
return !list_empty( &dll_imports );
|
|
}
|
|
|
|
/* output the import table of a Win32 module */
|
|
static void output_immediate_imports(void)
|
|
{
|
|
int i, j;
|
|
struct import *import;
|
|
|
|
if (list_empty( &dll_imports )) return; /* no immediate imports */
|
|
|
|
/* main import header */
|
|
|
|
output( "\n/* import table */\n" );
|
|
output( "\n\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(4) );
|
|
output( ".L__wine_spec_imports:\n" );
|
|
|
|
/* list of dlls */
|
|
|
|
j = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
output_rva( ".L__wine_spec_import_data_names + %d", j * get_ptr_size() ); /* OriginalFirstThunk */
|
|
output( "\t.long 0\n" ); /* TimeDateStamp */
|
|
output( "\t.long 0\n" ); /* ForwarderChain */
|
|
output_rva( ".L__wine_spec_import_name_%s", import->c_name ); /* Name */
|
|
output_rva( ".L__wine_spec_import_data_ptrs + %d", j * get_ptr_size() ); /* FirstThunk */
|
|
j += import->nb_imports + 1;
|
|
}
|
|
output( "\t.long 0\n" ); /* OriginalFirstThunk */
|
|
output( "\t.long 0\n" ); /* TimeDateStamp */
|
|
output( "\t.long 0\n" ); /* ForwarderChain */
|
|
output( "\t.long 0\n" ); /* Name */
|
|
output( "\t.long 0\n" ); /* FirstThunk */
|
|
|
|
output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
/* output the names twice, once for OriginalFirstThunk and once for FirstThunk */
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
output( ".L__wine_spec_import_data_%s:\n", i ? "ptrs" : "names" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (func->name)
|
|
output( "\t%s .L__wine_spec_import_data_%s_%s-.L__wine_spec_rva_base\n",
|
|
get_asm_ptr_keyword(), import->c_name, func->name );
|
|
else
|
|
{
|
|
if (get_ptr_size() == 8)
|
|
output( "\t.quad 0x800000000000%04x\n", func->ordinal );
|
|
else
|
|
output( "\t.long 0x8000%04x\n", func->ordinal );
|
|
}
|
|
}
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() );
|
|
}
|
|
}
|
|
output( ".L__wine_spec_imports_end:\n" );
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (!func->name) continue;
|
|
output( "\t.align %d\n", get_alignment(2) );
|
|
output( ".L__wine_spec_import_data_%s_%s:\n", import->c_name, func->name );
|
|
output( "\t.short %d\n", func->ordinal );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), func->name );
|
|
}
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
output( ".L__wine_spec_import_name_%s:\n\t%s \"%s\"\n",
|
|
import->c_name, get_asm_string_keyword(), import->dll_name );
|
|
}
|
|
}
|
|
|
|
/* output the import thunks of a Win32 module */
|
|
static void output_immediate_import_thunks(void)
|
|
{
|
|
int j, pos;
|
|
struct import *import;
|
|
static const char import_thunks[] = "__wine_spec_import_thunks";
|
|
|
|
if (list_empty( &dll_imports )) return;
|
|
|
|
output( "\n/* immediate import thunks */\n\n" );
|
|
output( "\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(8) );
|
|
output( "%s:\n", asm_name(import_thunks));
|
|
|
|
pos = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_imports, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++, pos += get_ptr_size())
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
output_import_thunk( func->name ? func->name : func->export_name,
|
|
".L__wine_spec_import_data_ptrs", pos );
|
|
}
|
|
pos += get_ptr_size();
|
|
}
|
|
output_function_size( import_thunks );
|
|
}
|
|
|
|
/* output the delayed import table of a Win32 module */
|
|
static void output_delayed_imports( const DLLSPEC *spec )
|
|
{
|
|
int j, mod;
|
|
struct import *import;
|
|
|
|
if (list_empty( &dll_delayed )) return;
|
|
|
|
output( "\n/* delayed imports */\n\n" );
|
|
output( "\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( "%s\n", asm_globl("__wine_spec_delay_imports") );
|
|
|
|
/* list of dlls */
|
|
|
|
j = mod = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
|
|
output( "\t%s .L__wine_delay_name_%s\n", /* szName */
|
|
get_asm_ptr_keyword(), import->c_name );
|
|
output( "\t%s .L__wine_delay_modules+%d\n", /* phmod */
|
|
get_asm_ptr_keyword(), mod * get_ptr_size() );
|
|
output( "\t%s .L__wine_delay_IAT+%d\n", /* pIAT */
|
|
get_asm_ptr_keyword(), j * get_ptr_size() );
|
|
output( "\t%s .L__wine_delay_INT+%d\n", /* pINT */
|
|
get_asm_ptr_keyword(), j * get_ptr_size() );
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
|
|
j += import->nb_imports;
|
|
mod++;
|
|
}
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* szName */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* phmod */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pINT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
|
|
|
|
output( "\n.L__wine_delay_IAT:\n" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
const char *name = func->name ? func->name : func->export_name;
|
|
output( "\t%s .L__wine_delay_imp_%s_%s\n",
|
|
get_asm_ptr_keyword(), import->c_name, name );
|
|
}
|
|
}
|
|
|
|
output( "\n.L__wine_delay_INT:\n" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (!func->name)
|
|
output( "\t%s %d\n", get_asm_ptr_keyword(), func->ordinal );
|
|
else
|
|
output( "\t%s .L__wine_delay_data_%s_%s\n",
|
|
get_asm_ptr_keyword(), import->c_name, func->name );
|
|
}
|
|
}
|
|
|
|
output( "\n.L__wine_delay_modules:\n" );
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
output( "\t%s 0\n", get_asm_ptr_keyword() );
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
output( ".L__wine_delay_name_%s:\n", import->c_name );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), import->dll_name );
|
|
}
|
|
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
if (!func->name) continue;
|
|
output( ".L__wine_delay_data_%s_%s:\n", import->c_name, func->name );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), func->name );
|
|
}
|
|
}
|
|
output_function_size( "__wine_spec_delay_imports" );
|
|
}
|
|
|
|
/* output the delayed import thunks of a Win32 module */
|
|
static void output_delayed_import_thunks( const DLLSPEC *spec )
|
|
{
|
|
int idx, j, pos, extra_stack_storage = 0;
|
|
struct import *import;
|
|
static const char delayed_import_loaders[] = "__wine_spec_delayed_import_loaders";
|
|
static const char delayed_import_thunks[] = "__wine_spec_delayed_import_thunks";
|
|
|
|
if (list_empty( &dll_delayed )) return;
|
|
|
|
output( "\n/* delayed import thunks */\n\n" );
|
|
output( "\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(8) );
|
|
output( "%s:\n", asm_name(delayed_import_loaders));
|
|
output( "\t%s\n", func_declaration("__wine_delay_load_asm") );
|
|
output( "%s:\n", asm_name("__wine_delay_load_asm") );
|
|
output_cfi( ".cfi_startproc" );
|
|
switch(target_cpu)
|
|
{
|
|
case CPU_x86:
|
|
output( "\tpushl %%ecx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 4" );
|
|
output( "\tpushl %%edx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 4" );
|
|
output( "\tpushl %%eax\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 4" );
|
|
output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
|
|
output_cfi( ".cfi_adjust_cfa_offset -4" );
|
|
output( "\tpopl %%edx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset -4" );
|
|
output( "\tpopl %%ecx\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset -4" );
|
|
output( "\tjmp *%%eax\n" );
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tsubq $0x98,%%rsp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 0x98" );
|
|
output( "\tmovq %%rdx,0x88(%%rsp)\n" );
|
|
output( "\tmovq %%rcx,0x80(%%rsp)\n" );
|
|
output( "\tmovq %%r8,0x78(%%rsp)\n" );
|
|
output( "\tmovq %%r9,0x70(%%rsp)\n" );
|
|
output( "\tmovq %%r10,0x68(%%rsp)\n" );
|
|
output( "\tmovq %%r11,0x60(%%rsp)\n" );
|
|
output( "\tmovups %%xmm0,0x50(%%rsp)\n" );
|
|
output( "\tmovups %%xmm1,0x40(%%rsp)\n" );
|
|
output( "\tmovups %%xmm2,0x30(%%rsp)\n" );
|
|
output( "\tmovups %%xmm3,0x20(%%rsp)\n" );
|
|
output( "\tmovq %%rax,%%rcx\n" );
|
|
output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
|
|
output( "\tmovups 0x20(%%rsp),%%xmm3\n" );
|
|
output( "\tmovups 0x30(%%rsp),%%xmm2\n" );
|
|
output( "\tmovups 0x40(%%rsp),%%xmm1\n" );
|
|
output( "\tmovups 0x50(%%rsp),%%xmm0\n" );
|
|
output( "\tmovq 0x60(%%rsp),%%r11\n" );
|
|
output( "\tmovq 0x68(%%rsp),%%r10\n" );
|
|
output( "\tmovq 0x70(%%rsp),%%r9\n" );
|
|
output( "\tmovq 0x78(%%rsp),%%r8\n" );
|
|
output( "\tmovq 0x80(%%rsp),%%rcx\n" );
|
|
output( "\tmovq 0x88(%%rsp),%%rdx\n" );
|
|
output( "\taddq $0x98,%%rsp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset -0x98" );
|
|
output( "\tjmp *%%rax\n" );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\tpush {r0-r3,FP,LR}\n" );
|
|
output( "\tmov r0,IP\n" );
|
|
output( "\tldr IP,2f\n");
|
|
output( "\tadd IP,PC\n");
|
|
output( "\tblx IP\n");
|
|
output( "1:\tmov IP,r0\n");
|
|
output( "\tpop {r0-r3,FP,LR}\n" );
|
|
output( "\tbx IP\n");
|
|
output( "2:\t.long %s-1b\n", asm_name("__wine_spec_delay_load") );
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tstp x29, x30, [sp,#-16]!\n" );
|
|
output( "\tmov x29, sp\n" );
|
|
output( "\tadrp x9, %s\n", asm_name("__wine_spec_delay_load") );
|
|
output( "\tadd x9, x9, #:lo12:%s\n", asm_name("__wine_spec_delay_load") );
|
|
output( "\tblr x9\n" );
|
|
output( "\tmov x9, x0\n" );
|
|
output( "\tldp x29, x30, [sp],#16\n" );
|
|
output( "\tldp x0, x1, [sp,#16]\n" );
|
|
output( "\tldp x2, x3, [sp,#32]\n" );
|
|
output( "\tldp x4, x5, [sp,#48]\n" );
|
|
output( "\tldp x6, x7, [sp],#80\n" );
|
|
output( "\tbr x9\n" ); /* or "ret x9" */
|
|
break;
|
|
case CPU_POWERPC:
|
|
if (target_platform == PLATFORM_APPLE) extra_stack_storage = 56;
|
|
|
|
/* Save all callee saved registers into a stackframe. */
|
|
output( "\tstwu %s, -%d(%s)\n",ppc_reg(1), 48+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1));
|
|
|
|
/* r0 -> r3 (arg1) */
|
|
output( "\tmr %s, %s\n", ppc_reg(3), ppc_reg(0));
|
|
|
|
/* save return address */
|
|
output( "\tmflr %s\n", ppc_reg(0));
|
|
output( "\tstw %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1));
|
|
|
|
/* Call the __wine_delay_load function, arg1 is arg1. */
|
|
output( "\tbl %s\n", asm_name("__wine_spec_delay_load") );
|
|
|
|
/* Load return value from call into ctr register */
|
|
output( "\tmtctr %s\n", ppc_reg(3));
|
|
|
|
/* restore all saved registers and drop stackframe. */
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1));
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1));
|
|
|
|
/* Load return value from call into return register */
|
|
output( "\tlwz %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1));
|
|
output( "\tmtlr %s\n", ppc_reg(0));
|
|
output( "\taddi %s, %s, %d\n", ppc_reg(1), ppc_reg(1), 48+extra_stack_storage);
|
|
|
|
/* branch to ctr register. */
|
|
output( "\tbctr\n");
|
|
break;
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( "__wine_delay_load_asm" );
|
|
output( "\n" );
|
|
|
|
idx = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++)
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
const char *name = func->name ? func->name : func->export_name;
|
|
|
|
output( ".L__wine_delay_imp_%s_%s:\n", import->c_name, name );
|
|
output_cfi( ".cfi_startproc" );
|
|
switch(target_cpu)
|
|
{
|
|
case CPU_x86:
|
|
output( "\tmovl $%d, %%eax\n", (idx << 16) | j );
|
|
output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tmovq $%d,%%rax\n", (idx << 16) | j );
|
|
output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
case CPU_ARM:
|
|
{
|
|
unsigned int mask, count = 0, val = (idx << 16) | j;
|
|
|
|
for (mask = 0xff; mask; mask <<= 8)
|
|
if (val & mask) output( "\t%s IP,#%u\n", count++ ? "add" : "mov", val & mask );
|
|
if (!count) output( "\tmov IP,#0\n" );
|
|
output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
}
|
|
case CPU_ARM64:
|
|
output( "\tstp x6, x7, [sp,#-80]!\n" );
|
|
output( "\tstp x4, x5, [sp,#48]\n" );
|
|
output( "\tstp x2, x3, [sp,#32]\n" );
|
|
output( "\tstp x0, x1, [sp,#16]\n" );
|
|
output( "\tmov x0, #%d\n", idx );
|
|
output( "\tmov x1, #16384\n" );
|
|
output( "\tmul x1, x0, x1\n" );
|
|
output( "\tmov x0, x1\n" );
|
|
output( "\tmov x1, #4\n" );
|
|
output( "\tmul x1, x0, x1\n" );
|
|
output( "\tmov x0, x1\n" );
|
|
output( "\tadd x0, x0, #%d\n", j );
|
|
output( "\tadr x9, %s\n", asm_name("__wine_delay_load_asm") );
|
|
output( "\tbr x9\n" );
|
|
break;
|
|
case CPU_POWERPC:
|
|
switch(target_platform)
|
|
{
|
|
case PLATFORM_APPLE:
|
|
/* On Darwin we can use r0 and r2 */
|
|
/* Upper part in r2 */
|
|
output( "\tlis %s, %d\n", ppc_reg(2), idx);
|
|
/* Lower part + r2 -> r0, Note we can't use r0 directly */
|
|
output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(2), j);
|
|
output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
default:
|
|
/* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
|
|
/* Save r13 on the stack */
|
|
output( "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1));
|
|
output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
|
|
/* Upper part in r13 */
|
|
output( "\tlis %s, %d\n", ppc_reg(13), idx);
|
|
/* Lower part + r13 -> r0, Note we can't use r0 directly */
|
|
output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(13), j);
|
|
/* Restore r13 */
|
|
output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
|
|
output( "\taddic %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1));
|
|
output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
}
|
|
idx++;
|
|
}
|
|
output_function_size( delayed_import_loaders );
|
|
|
|
output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( "%s:\n", asm_name(delayed_import_thunks));
|
|
pos = 0;
|
|
LIST_FOR_EACH_ENTRY( import, &dll_delayed, struct import, entry )
|
|
{
|
|
for (j = 0; j < import->nb_imports; j++, pos += get_ptr_size())
|
|
{
|
|
struct import_func *func = &import->imports[j];
|
|
output_import_thunk( func->name ? func->name : func->export_name,
|
|
".L__wine_delay_IAT", pos );
|
|
}
|
|
}
|
|
output_function_size( delayed_import_thunks );
|
|
}
|
|
|
|
/* output import stubs for exported entry points that link to external symbols */
|
|
static void output_external_link_imports( DLLSPEC *spec )
|
|
{
|
|
unsigned int i, pos;
|
|
|
|
if (!ext_link_imports.count) return; /* nothing to do */
|
|
|
|
sort_names( &ext_link_imports );
|
|
|
|
/* get rid of duplicate names */
|
|
for (i = 1; i < ext_link_imports.count; i++)
|
|
{
|
|
if (!strcmp( ext_link_imports.str[i-1], ext_link_imports.str[i] ))
|
|
remove_name( &ext_link_imports, i-- );
|
|
}
|
|
|
|
output( "\n/* external link thunks */\n\n" );
|
|
output( "\t.data\n" );
|
|
output( "\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( ".L__wine_spec_external_links:\n" );
|
|
for (i = 0; i < ext_link_imports.count; i++)
|
|
output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports.str[i]) );
|
|
|
|
output( "\n\t.text\n" );
|
|
output( "\t.align %d\n", get_alignment(get_ptr_size()) );
|
|
output( "%s:\n", asm_name("__wine_spec_external_link_thunks") );
|
|
|
|
for (i = pos = 0; i < ext_link_imports.count; i++)
|
|
{
|
|
char *buffer = strmake( "__wine_spec_ext_link_%s", ext_link_imports.str[i] );
|
|
output_import_thunk( buffer, ".L__wine_spec_external_links", pos );
|
|
free( buffer );
|
|
pos += get_ptr_size();
|
|
}
|
|
output_function_size( "__wine_spec_external_link_thunks" );
|
|
}
|
|
|
|
/*******************************************************************
|
|
* output_stubs
|
|
*
|
|
* Output the functions for stub entry points
|
|
*/
|
|
void output_stubs( DLLSPEC *spec )
|
|
{
|
|
const char *name, *exp_name;
|
|
int i;
|
|
|
|
if (!has_stubs( spec )) return;
|
|
|
|
output( "\n/* stub functions */\n\n" );
|
|
output( "\t.text\n" );
|
|
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type != TYPE_STUB) continue;
|
|
|
|
name = get_stub_name( odp, spec );
|
|
exp_name = odp->name ? odp->name : odp->export_name;
|
|
output( "\t.align %d\n", get_alignment(4) );
|
|
output( "\t%s\n", func_declaration(name) );
|
|
output( "%s:\n", asm_name(name) );
|
|
output_cfi( ".cfi_startproc" );
|
|
|
|
switch (target_cpu)
|
|
{
|
|
case CPU_x86:
|
|
/* flesh out the stub a bit to make safedisc happy */
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
output(" \tnop\n" );
|
|
|
|
output( "\tsubl $12,%%esp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 12" );
|
|
if (UsePIC)
|
|
{
|
|
output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
|
|
output( "1:" );
|
|
needs_get_pc_thunk = 1;
|
|
if (exp_name)
|
|
{
|
|
output( "\tleal .L%s_string-1b(%%eax),%%ecx\n", name );
|
|
output( "\tmovl %%ecx,4(%%esp)\n" );
|
|
}
|
|
else
|
|
output( "\tmovl $%d,4(%%esp)\n", odp->ordinal );
|
|
output( "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
|
|
output( "\tmovl %%ecx,(%%esp)\n" );
|
|
}
|
|
else
|
|
{
|
|
if (exp_name)
|
|
output( "\tmovl $.L%s_string,4(%%esp)\n", name );
|
|
else
|
|
output( "\tmovl $%d,4(%%esp)\n", odp->ordinal );
|
|
output( "\tmovl $.L__wine_spec_file_name,(%%esp)\n" );
|
|
}
|
|
output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
break;
|
|
case CPU_x86_64:
|
|
output( "\tsubq $8,%%rsp\n" );
|
|
output_cfi( ".cfi_adjust_cfa_offset 8" );
|
|
output( "\tleaq .L__wine_spec_file_name(%%rip),%%rdi\n" );
|
|
if (exp_name)
|
|
output( "leaq .L%s_string(%%rip),%%rsi\n", name );
|
|
else
|
|
output( "\tmovq $%d,%%rsi\n", odp->ordinal );
|
|
output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
break;
|
|
case CPU_ARM:
|
|
output( "\tldr r0,2f\n");
|
|
output( "\tadd r0,PC\n");
|
|
output( "\tldr r1,2f+4\n");
|
|
output( "1:" );
|
|
if (exp_name) output( "\tadd r1,PC\n");
|
|
output( "\tbl %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
output( "2:\t.long .L__wine_spec_file_name-1b\n" );
|
|
if (exp_name) output( "\t.long .L%s_string-2b\n", name );
|
|
else output( "\t.long %u\n", odp->ordinal );
|
|
break;
|
|
case CPU_ARM64:
|
|
output( "\tadrp x0, .L__wine_spec_file_name\n" );
|
|
output( "\tadd x0, x0, #:lo12:.L__wine_spec_file_name\n" );
|
|
if (exp_name)
|
|
{
|
|
output( "\tadrp x1, .L%s_string\n", name );
|
|
output( "\tadd x1, x1, #:lo12:.L%s_string\n", name );
|
|
}
|
|
else
|
|
output( "\tmov x1, %u\n", odp->ordinal );
|
|
output( "\tadrp x2, %s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
output( "\tadd x2, x2, #:lo12:%s\n", asm_name("__wine_spec_unimplemented_stub") );
|
|
output( "\tblr x2\n" );
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
output_cfi( ".cfi_endproc" );
|
|
output_function_size( name );
|
|
}
|
|
|
|
output( "\t%s\n", get_asm_string_section() );
|
|
output( ".L__wine_spec_file_name:\n" );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
|
|
for (i = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
ORDDEF *odp = &spec->entry_points[i];
|
|
if (odp->type != TYPE_STUB) continue;
|
|
exp_name = odp->name ? odp->name : odp->export_name;
|
|
if (exp_name)
|
|
{
|
|
name = get_stub_name( odp, spec );
|
|
output( ".L%s_string:\n", name );
|
|
output( "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name );
|
|
}
|
|
}
|
|
}
|
|
|
|
/* output the import and delayed import tables of a Win32 module */
|
|
void output_imports( DLLSPEC *spec )
|
|
{
|
|
output_immediate_imports();
|
|
output_delayed_imports( spec );
|
|
output_immediate_import_thunks();
|
|
output_delayed_import_thunks( spec );
|
|
output_external_link_imports( spec );
|
|
}
|
|
|
|
/* create a new asm temp file */
|
|
static void new_output_as_file(void)
|
|
{
|
|
char *name;
|
|
|
|
if (output_file) fclose( output_file );
|
|
name = open_temp_output_file( ".s" );
|
|
strarray_add( &as_files, name, NULL );
|
|
}
|
|
|
|
/* assemble all the asm files */
|
|
static void assemble_files( const char *prefix )
|
|
{
|
|
unsigned int i;
|
|
|
|
if (output_file) fclose( output_file );
|
|
output_file = NULL;
|
|
|
|
for (i = 0; i < as_files.count; i++)
|
|
{
|
|
char *obj = get_temp_file_name( prefix, ".o" );
|
|
assemble_file( as_files.str[i], obj );
|
|
as_files.str[i] = obj;
|
|
}
|
|
}
|
|
|
|
/* build a library from the current asm files and any additional object files in argv */
|
|
static void build_library( const char *output_name, char **argv, int create )
|
|
{
|
|
struct strarray args = find_tool( "ar", NULL );
|
|
struct strarray ranlib = find_tool( "ranlib", NULL );
|
|
|
|
strarray_add( &args, create ? "rc" : "r", output_name, NULL );
|
|
strarray_addall( &args, as_files );
|
|
strarray_addv( &args, argv );
|
|
if (create) unlink( output_name );
|
|
spawn( args );
|
|
|
|
strarray_add( &ranlib, output_name, NULL );
|
|
spawn( ranlib );
|
|
}
|
|
|
|
/* create a Windows-style import library */
|
|
static void build_windows_import_lib( DLLSPEC *spec )
|
|
{
|
|
struct strarray args;
|
|
char *def_file;
|
|
const char *as_flags, *m_flag;
|
|
|
|
def_file = open_temp_output_file( ".def" );
|
|
output_def_file( spec, 0 );
|
|
fclose( output_file );
|
|
|
|
args = find_tool( "dlltool", NULL );
|
|
switch (target_cpu)
|
|
{
|
|
case CPU_x86:
|
|
m_flag = "i386";
|
|
as_flags = "--as-flags=--32";
|
|
break;
|
|
case CPU_x86_64:
|
|
m_flag = "i386:x86-64";
|
|
as_flags = "--as-flags=--64";
|
|
break;
|
|
default:
|
|
m_flag = NULL;
|
|
break;
|
|
}
|
|
strarray_add( &args, "-k", "-l", output_file_name, "-d", def_file, NULL );
|
|
if (m_flag)
|
|
strarray_add( &args, "-m", m_flag, as_flags, NULL );
|
|
spawn( args );
|
|
}
|
|
|
|
/* create a Unix-style import library */
|
|
static void build_unix_import_lib( DLLSPEC *spec )
|
|
{
|
|
static const char valid_chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789._@";
|
|
int i, total;
|
|
const char *name, *prefix;
|
|
char *dll_name = xstrdup( spec->file_name );
|
|
|
|
if (strendswith( dll_name, ".dll" )) dll_name[strlen(dll_name) - 4] = 0;
|
|
if (strspn( dll_name, valid_chars ) < strlen( dll_name ))
|
|
fatal_error( "%s contains invalid characters\n", spec->file_name );
|
|
|
|
/* entry points */
|
|
|
|
for (i = total = 0; i < spec->nb_entry_points; i++)
|
|
{
|
|
const ORDDEF *odp = &spec->entry_points[i];
|
|
|
|
if (odp->name) name = odp->name;
|
|
else if (odp->export_name) name = odp->export_name;
|
|
else continue;
|
|
|
|
if (odp->flags & FLAG_PRIVATE) continue;
|
|
total++;
|
|
|
|
/* C++ mangled names cannot be imported */
|
|
if (strpbrk( name, "?@" )) continue;
|
|
|
|
switch(odp->type)
|
|
{
|
|
case TYPE_VARARGS:
|
|
case TYPE_CDECL:
|
|
case TYPE_STDCALL:
|
|
prefix = (!odp->name || (odp->flags & FLAG_ORDINAL)) ? import_ord_prefix : import_func_prefix;
|
|
new_output_as_file();
|
|
output( "\t.text\n" );
|
|
output( "\n\t.align %d\n", get_alignment( get_ptr_size() ));
|
|
output( "\t%s\n", func_declaration( name ) );
|
|
output( "%s\n", asm_globl( name ) );
|
|
output( "\t%s %s%s$%u$%s\n", get_asm_ptr_keyword(),
|
|
asm_name( prefix ), dll_name, odp->ordinal, name );
|
|
output_function_size( name );
|
|
output_gnu_stack_note();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (!total) warning( "%s: Import library doesn't export anything\n", spec->file_name );
|
|
|
|
if (!as_files.count) /* create a dummy file to avoid empty import libraries */
|
|
{
|
|
new_output_as_file();
|
|
output( "\t.text\n" );
|
|
}
|
|
|
|
assemble_files( spec->file_name );
|
|
free( dll_name );
|
|
}
|
|
|
|
/* output an import library for a Win32 module and additional object files */
|
|
void output_import_lib( DLLSPEC *spec, char **argv )
|
|
{
|
|
if (target_platform == PLATFORM_WINDOWS)
|
|
{
|
|
build_windows_import_lib( spec );
|
|
if (argv[0]) build_library( output_file_name, argv, 0 );
|
|
}
|
|
else
|
|
{
|
|
build_unix_import_lib( spec );
|
|
build_library( output_file_name, argv, 1 );
|
|
}
|
|
}
|