4 * Copyright 2000, 2004 Alexandre Julliard
5 * Copyright 2000 Eric Pouech
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include "wine/port.h"
30 #ifdef HAVE_SYS_STAT_H
31 # include <sys/stat.h>
39 #include "wine/exception.h"
44 DLLSPEC *spec; /* description of the imported dll */
45 char *full_name; /* full name of the input file */
46 dev_t dev; /* device/inode of the input file */
48 int delay; /* delay or not dll loading ? */
49 ORDDEF **exports; /* functions exported from this dll */
50 int nb_exports; /* number of exported functions */
51 ORDDEF **imports; /* functions we want to import from this dll */
52 int nb_imports; /* number of imported functions */
55 static char **undef_symbols; /* list of undefined symbols */
56 static int nb_undef_symbols = -1;
57 static int undef_size;
59 static char **ignore_symbols; /* list of symbols to ignore */
60 static int nb_ignore_symbols;
61 static int ignore_size;
63 static char *ld_tmp_file; /* ld temp file name */
65 static struct import **dll_imports = NULL;
66 static int nb_imports = 0; /* number of imported dlls (delayed or not) */
67 static int nb_delayed = 0; /* number of delayed dlls */
68 static int total_imports = 0; /* total number of imported functions */
69 static int total_delayed = 0; /* total number of imported functions in delayed DLLs */
70 static char **delayed_imports; /* names of delayed import dlls */
71 static int nb_delayed_imports; /* size of the delayed_imports array */
73 /* list of symbols that are ignored by default */
74 static const char * const default_ignored_symbols[] =
126 # define ppc_high(mem) "ha16(" mem ")"
127 # define ppc_low(mem) "lo16(" mem ")"
128 static const char * const ppc_reg[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
129 "r8", "r9", "r10","r11","r12","r13","r14","r15",
130 "r16","r17","r18","r19","r20","r21","r22","r23",
131 "r24","r25","r26","r27","r28","r29","r30","r31" };
132 # else /* __APPLE__ */
133 # define ppc_high(mem) "(" mem ")@hi"
134 # define ppc_low(mem) "(" mem ")@l"
135 static const char * const ppc_reg[32] = { "0", "1", "2", "3", "4", "5", "6", "7",
136 "8", "9", "10","11","12","13","14","15",
137 "16","17","18","19","20","21","22","23",
138 "24","25","26","27","28","29","30","31" };
139 # endif /* __APPLE__ */
140 #endif /* __powerpc__ */
142 /* compare function names; helper for resolve_imports */
143 static int name_cmp( const void *name, const void *entry )
145 return strcmp( *(const char* const *)name, *(const char* const *)entry );
148 /* compare function names; helper for resolve_imports */
149 static int func_cmp( const void *func1, const void *func2 )
151 const ORDDEF *odp1 = *(const ORDDEF * const *)func1;
152 const ORDDEF *odp2 = *(const ORDDEF * const *)func2;
153 return strcmp( odp1->name ? odp1->name : odp1->export_name,
154 odp2->name ? odp2->name : odp2->export_name );
157 /* locate a symbol in a (sorted) list */
158 inline static const char *find_symbol( const char *name, char **table, int size )
163 res = bsearch( &name, table, size, sizeof(*table), name_cmp );
166 return res ? *res : NULL;
169 /* locate an export in a (sorted) export list */
170 inline static ORDDEF *find_export( const char *name, ORDDEF **table, int size )
172 ORDDEF func, *odp, **res = NULL;
174 func.name = (char *)name;
177 if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp );
178 return res ? *res : NULL;
181 /* sort a symbol table */
182 inline static void sort_symbols( char **table, int size )
185 qsort( table, size, sizeof(*table), name_cmp );
188 inline static void output_function_size( FILE *outfile, const char *name )
190 #ifdef HAVE_ASM_DOT_SIZE
191 fprintf( outfile, " \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name, name);
195 /* free an import structure */
196 static void free_imports( struct import *imp )
198 free( imp->exports );
199 free( imp->imports );
200 free_dll_spec( imp->spec );
201 free( imp->full_name );
205 /* remove the temp file at exit */
206 static void remove_ld_tmp_file(void)
208 if (ld_tmp_file) unlink( ld_tmp_file );
211 /* check whether a given dll is imported in delayed mode */
212 static int is_delayed_import( const char *name )
216 for (i = 0; i < nb_delayed_imports; i++)
218 if (!strcmp( delayed_imports[i], name )) return 1;
223 /* check whether a given dll has already been imported */
224 static struct import *is_already_imported( const char *name )
228 for (i = 0; i < nb_imports; i++)
230 if (!strcmp( dll_imports[i]->spec->file_name, name )) return dll_imports[i];
235 /* open the .so library for a given dll in a specified path */
236 static char *try_library_path( const char *path, const char *name )
241 buffer = xmalloc( strlen(path) + strlen(name) + 9 );
242 sprintf( buffer, "%s/lib%s.def", path, name );
244 /* check if the file exists */
245 if ((fd = open( buffer, O_RDONLY )) != -1)
254 /* find the .def import library for a given dll */
255 static char *find_library( const char *name )
260 for (i = 0; i < nb_lib_paths; i++)
262 if ((fullname = try_library_path( lib_path[i], name ))) return fullname;
264 fatal_error( "could not open .def file for %s\n", name );
268 /* read in the list of exported symbols of an import library */
269 static int read_import_lib( struct import *imp )
274 struct import *prev_imp;
275 DLLSPEC *spec = imp->spec;
277 f = open_input_file( NULL, imp->full_name );
278 fstat( fileno(f), &stat );
279 imp->dev = stat.st_dev;
280 imp->ino = stat.st_ino;
281 ret = parse_def_file( f, spec );
282 close_input_file( f );
285 /* check if we already imported that library from a different file */
286 if ((prev_imp = is_already_imported( spec->file_name )))
288 if (prev_imp->dev != imp->dev || prev_imp->ino != imp->ino)
289 fatal_error( "%s and %s have the same export name '%s'\n",
290 prev_imp->full_name, imp->full_name, spec->file_name );
291 return 0; /* the same file was already loaded, ignore this one */
294 if (is_delayed_import( spec->file_name ))
300 imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) );
302 for (i = 0; i < spec->nb_entry_points; i++)
304 ORDDEF *odp = &spec->entry_points[i];
306 if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL) continue;
307 if (odp->flags & FLAG_PRIVATE) continue;
308 imp->exports[imp->nb_exports++] = odp;
310 imp->exports = xrealloc( imp->exports, imp->nb_exports * sizeof(*imp->exports) );
312 qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
316 /* build the dll exported name from the import lib name or path */
317 static char *get_dll_name( const char *name, const char *filename )
323 const char *basename = strrchr( filename, '/' );
324 if (!basename) basename = filename;
326 if (!strncmp( basename, "lib", 3 )) basename += 3;
327 ret = xmalloc( strlen(basename) + 5 );
328 strcpy( ret, basename );
329 if (strendswith( ret, ".def" )) ret[strlen(ret)-4] = 0;
333 ret = xmalloc( strlen(name) + 5 );
336 if (!strchr( ret, '.' )) strcat( ret, ".dll" );
340 /* add a dll to the list of imports */
341 void add_import_dll( const char *name, const char *filename )
343 struct import *imp = xmalloc( sizeof(*imp) );
345 imp->spec = alloc_dll_spec();
346 imp->spec->file_name = get_dll_name( name, filename );
353 if (filename) imp->full_name = xstrdup( filename );
354 else imp->full_name = find_library( name );
356 if (read_import_lib( imp ))
358 dll_imports = xrealloc( dll_imports, (nb_imports+1) * sizeof(*dll_imports) );
359 dll_imports[nb_imports++] = imp;
364 if (nb_errors) exit(1);
368 /* add a library to the list of delayed imports */
369 void add_delayed_import( const char *name )
372 char *fullname = get_dll_name( name, NULL );
374 delayed_imports = xrealloc( delayed_imports, (nb_delayed_imports+1) * sizeof(*delayed_imports) );
375 delayed_imports[nb_delayed_imports++] = fullname;
376 if ((imp = is_already_imported( fullname )) && !imp->delay)
383 /* remove an imported dll, based on its index in the dll_imports array */
384 static void remove_import_dll( int index )
386 struct import *imp = dll_imports[index];
388 memmove( &dll_imports[index], &dll_imports[index+1], sizeof(imp) * (nb_imports - index - 1) );
390 if (imp->delay) nb_delayed--;
394 /* initialize the list of ignored symbols */
395 static void init_ignored_symbols(void)
399 nb_ignore_symbols = sizeof(default_ignored_symbols)/sizeof(default_ignored_symbols[0]);
400 ignore_size = nb_ignore_symbols + 32;
401 ignore_symbols = xmalloc( ignore_size * sizeof(*ignore_symbols) );
402 for (i = 0; i < nb_ignore_symbols; i++)
403 ignore_symbols[i] = xstrdup( default_ignored_symbols[i] );
406 /* add a symbol to the ignored symbol list */
407 /* if the name starts with '-' the symbol is removed instead */
408 void add_ignore_symbol( const char *name )
412 if (!ignore_symbols) init_ignored_symbols(); /* first time around, fill list with defaults */
414 if (name[0] == '-') /* remove it */
416 if (!name[1]) /* remove everything */
418 for (i = 0; i < nb_ignore_symbols; i++) free( ignore_symbols[i] );
419 nb_ignore_symbols = 0;
423 for (i = 0; i < nb_ignore_symbols; i++)
425 if (!strcmp( ignore_symbols[i], name+1 ))
427 free( ignore_symbols[i] );
428 memmove( &ignore_symbols[i], &ignore_symbols[i+1], nb_ignore_symbols - i - 1 );
436 if (nb_ignore_symbols == ignore_size)
439 ignore_symbols = xrealloc( ignore_symbols, ignore_size * sizeof(*ignore_symbols) );
441 ignore_symbols[nb_ignore_symbols++] = xstrdup( name );
445 /* add a function to the list of imports from a given dll */
446 static void add_import_func( struct import *imp, ORDDEF *func )
448 imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) );
449 imp->imports[imp->nb_imports++] = func;
451 if (imp->delay) total_delayed++;
454 /* add a symbol to the undef list */
455 inline static void add_undef_symbol( const char *name )
457 if (nb_undef_symbols == undef_size)
460 undef_symbols = xrealloc( undef_symbols, undef_size * sizeof(*undef_symbols) );
462 undef_symbols[nb_undef_symbols++] = xstrdup( name );
465 /* remove all the holes in the undefined symbol list; return the number of removed symbols */
466 static int remove_symbol_holes(void)
469 for (i = off = 0; i < nb_undef_symbols; i++)
471 if (!undef_symbols[i]) off++;
472 else undef_symbols[i - off] = undef_symbols[i];
474 nb_undef_symbols -= off;
478 /* add a symbol to the extra list, but only if needed */
479 static int add_extra_symbol( const char **extras, int *count, const char *name, const DLLSPEC *spec )
483 if (!find_symbol( name, undef_symbols, nb_undef_symbols ))
485 /* check if the symbol is being exported by this dll */
486 for (i = 0; i < spec->nb_entry_points; i++)
488 ORDDEF *odp = &spec->entry_points[i];
489 if (odp->type == TYPE_STDCALL ||
490 odp->type == TYPE_CDECL ||
491 odp->type == TYPE_VARARGS ||
492 odp->type == TYPE_EXTERN)
494 if (odp->name && !strcmp( odp->name, name )) return 0;
497 extras[*count] = name;
503 /* add the extra undefined symbols that will be contained in the generated spec file itself */
504 static void add_extra_undef_symbols( const DLLSPEC *spec )
506 const char *extras[10];
507 int i, count = 0, nb_stubs = 0;
508 int kernel_imports = 0, ntdll_imports = 0;
510 sort_symbols( undef_symbols, nb_undef_symbols );
512 for (i = 0; i < spec->nb_entry_points; i++)
514 ORDDEF *odp = &spec->entry_points[i];
515 if (odp->type == TYPE_STUB) nb_stubs++;
518 /* add symbols that will be contained in the spec file itself */
519 if (!(spec->characteristics & IMAGE_FILE_DLL))
521 switch (spec->subsystem)
523 case IMAGE_SUBSYSTEM_WINDOWS_GUI:
524 case IMAGE_SUBSYSTEM_WINDOWS_CUI:
525 kernel_imports += add_extra_symbol( extras, &count, "GetCommandLineA", spec );
526 kernel_imports += add_extra_symbol( extras, &count, "GetStartupInfoA", spec );
527 kernel_imports += add_extra_symbol( extras, &count, "GetModuleHandleA", spec );
528 kernel_imports += add_extra_symbol( extras, &count, "ExitProcess", spec );
534 kernel_imports += add_extra_symbol( extras, &count, "LoadLibraryA", spec );
535 kernel_imports += add_extra_symbol( extras, &count, "GetProcAddress", spec );
536 kernel_imports += add_extra_symbol( extras, &count, "RaiseException", spec );
539 ntdll_imports += add_extra_symbol( extras, &count, "RtlRaiseException", spec );
541 /* make sure we import the dlls that contain these functions */
542 if (kernel_imports) add_import_dll( "kernel32", NULL );
543 if (ntdll_imports) add_import_dll( "ntdll", NULL );
547 for (i = 0; i < count; i++) add_undef_symbol( extras[i] );
548 sort_symbols( undef_symbols, nb_undef_symbols );
552 /* check if a given imported dll is not needed, taking forwards into account */
553 static int check_unused( const struct import* imp, const DLLSPEC *spec )
556 const char *file_name = imp->spec->file_name;
557 size_t len = strlen( file_name );
558 const char *p = strchr( file_name, '.' );
559 if (p && !strcasecmp( p, ".dll" )) len = p - file_name;
561 for (i = spec->base; i <= spec->limit; i++)
563 ORDDEF *odp = spec->ordinals[i];
564 if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
565 if (!strncasecmp( odp->link_name, file_name, len ) &&
566 odp->link_name[len] == '.')
567 return 0; /* found a forward, it is used */
572 /* combine a list of object files with ld into a single object file */
573 /* returns the name of the combined file */
574 static const char *ldcombine_files( char **argv )
580 if (output_file_name && output_file_name[0])
582 ld_tmp_file = xmalloc( strlen(output_file_name) + 10 );
583 strcpy( ld_tmp_file, output_file_name );
584 strcat( ld_tmp_file, ".XXXXXX.o" );
586 else ld_tmp_file = xstrdup( "/tmp/winebuild.tmp.XXXXXX.o" );
588 if ((fd = mkstemps( ld_tmp_file, 2 ) == -1)) fatal_error( "could not generate a temp file\n" );
590 atexit( remove_ld_tmp_file );
592 for (i = 0; argv[i]; i++) len += strlen(argv[i]) + 1;
593 cmd = xmalloc( len + strlen(ld_tmp_file) + 8 + strlen(ld_command) );
594 sprintf( cmd, "%s -r -o %s", ld_command, ld_tmp_file );
595 for (i = 0; argv[i]; i++) sprintf( cmd + strlen(cmd), " %s", argv[i] );
597 if (err) fatal_error( "%s -r failed with status %d\n", ld_command, err );
602 /* read in the list of undefined symbols */
603 void read_undef_symbols( char **argv )
605 static const char name_prefix[] = __ASM_NAME("");
606 static const int prefix_len = sizeof(name_prefix) - 1;
608 char *cmd, buffer[1024];
612 if (!argv[0]) return;
614 undef_size = nb_undef_symbols = 0;
616 /* if we have multiple object files, link them together */
617 if (argv[1]) name = ldcombine_files( argv );
620 cmd = xmalloc( strlen(nm_command) + strlen(name) + 5 );
621 sprintf( cmd, "%s -u %s", nm_command, name );
622 if (!(f = popen( cmd, "r" )))
623 fatal_error( "Cannot execute '%s'\n", cmd );
625 while (fgets( buffer, sizeof(buffer), f ))
627 char *p = buffer + strlen(buffer) - 1;
628 if (p < buffer) continue;
629 if (*p == '\n') *p-- = 0;
631 while (*p == ' ') p++;
632 if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
633 if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
634 add_undef_symbol( p );
636 if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err );
640 static void remove_ignored_symbols(void)
644 if (!ignore_symbols) init_ignored_symbols();
645 sort_symbols( ignore_symbols, nb_ignore_symbols );
646 for (i = 0; i < nb_undef_symbols; i++)
648 if (find_symbol( undef_symbols[i], ignore_symbols, nb_ignore_symbols ))
650 free( undef_symbols[i] );
651 undef_symbols[i] = NULL;
654 remove_symbol_holes();
657 /* resolve the imports for a Win32 module */
658 int resolve_imports( DLLSPEC *spec )
662 if (nb_undef_symbols == -1) return 0; /* no symbol file specified */
664 add_extra_undef_symbols( spec );
665 remove_ignored_symbols();
667 for (i = 0; i < nb_imports; i++)
669 struct import *imp = dll_imports[i];
671 for (j = 0; j < nb_undef_symbols; j++)
673 ORDDEF *odp = find_export( undef_symbols[j], imp->exports, imp->nb_exports );
676 add_import_func( imp, odp );
677 free( undef_symbols[j] );
678 undef_symbols[j] = NULL;
681 /* remove all the holes in the undef symbols list */
682 if (!remove_symbol_holes() && check_unused( imp, spec ))
684 /* the dll is not used, get rid of it */
685 warning( "%s imported but no symbols used\n", imp->spec->file_name );
686 remove_import_dll( i );
693 /* output the import table of a Win32 module */
694 static int output_immediate_imports( FILE *outfile )
697 int nb_imm = nb_imports - nb_delayed;
698 static const char import_thunks[] = "__wine_spec_import_thunks";
700 if (!nb_imm) goto done;
702 /* main import header */
704 fprintf( outfile, "\nstatic struct {\n" );
705 fprintf( outfile, " struct {\n" );
706 fprintf( outfile, " void *OriginalFirstThunk;\n" );
707 fprintf( outfile, " unsigned int TimeDateStamp;\n" );
708 fprintf( outfile, " unsigned int ForwarderChain;\n" );
709 fprintf( outfile, " const char *Name;\n" );
710 fprintf( outfile, " void *FirstThunk;\n" );
711 fprintf( outfile, " } imp[%d];\n", nb_imm+1 );
712 fprintf( outfile, " const char *data[%d];\n",
713 total_imports - total_delayed + nb_imm );
714 fprintf( outfile, "} imports = {\n {\n" );
718 for (i = j = 0; i < nb_imports; i++)
720 if (dll_imports[i]->delay) continue;
721 fprintf( outfile, " { 0, 0, 0, \"%s\", &imports.data[%d] },\n",
722 dll_imports[i]->spec->file_name, j );
723 j += dll_imports[i]->nb_imports + 1;
726 fprintf( outfile, " { 0, 0, 0, 0, 0 },\n" );
727 fprintf( outfile, " },\n {\n" );
729 /* list of imported functions */
731 for (i = 0; i < nb_imports; i++)
733 if (dll_imports[i]->delay) continue;
734 fprintf( outfile, " /* %s */\n", dll_imports[i]->spec->file_name );
735 for (j = 0; j < dll_imports[i]->nb_imports; j++)
737 ORDDEF *odp = dll_imports[i]->imports[j];
738 if (!(odp->flags & FLAG_NONAME))
740 unsigned short ord = odp->ordinal;
741 fprintf( outfile, " \"\\%03o\\%03o%s\",\n",
742 *(unsigned char *)&ord, *((unsigned char *)&ord + 1), odp->name );
745 fprintf( outfile, " (char *)%d,\n", odp->ordinal );
747 fprintf( outfile, " 0,\n" );
749 fprintf( outfile, " }\n};\n\n" );
751 /* thunks for imported functions */
753 fprintf( outfile, "#ifndef __GNUC__\nstatic void __asm__dummy_import(void) {\n#endif\n\n" );
754 pos = (sizeof(void *) + 2*sizeof(unsigned int) + sizeof(const char *) + sizeof(void *)) *
755 (nb_imm + 1); /* offset of imports.data from start of imports */
756 fprintf( outfile, "asm(\".text\\n\\t.align %d\\n\"\n", get_alignment(8) );
757 fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", import_thunks);
759 for (i = 0; i < nb_imports; i++)
761 if (dll_imports[i]->delay) continue;
762 for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += sizeof(const char *))
764 ORDDEF *odp = dll_imports[i]->imports[j];
765 const char *name = odp->name ? odp->name : odp->export_name;
766 fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name );
767 fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name );
768 fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t", name);
770 #if defined(__i386__)
771 if (strstr( name, "__wine_call_from_16" ))
772 fprintf( outfile, ".byte 0x2e\\n\\tjmp *(imports+%d)\\n\\tnop\\n", pos );
774 fprintf( outfile, "jmp *(imports+%d)\\n\\tmovl %%esi,%%esi\\n", pos );
775 #elif defined(__sparc__)
778 fprintf( outfile, "sethi %%hi(imports+%d), %%g1\\n\\t", pos );
779 fprintf( outfile, "ld [%%g1+%%lo(imports+%d)], %%g1\\n\\t", pos );
780 fprintf( outfile, "jmp %%g1\\n\\tnop\\n" );
784 /* Hmpf. Stupid sparc assembler always interprets global variable
785 names as GOT offsets, so we have to do it the long way ... */
786 fprintf( outfile, "save %%sp, -96, %%sp\\n" );
787 fprintf( outfile, "0:\\tcall 1f\\n\\tnop\\n" );
788 fprintf( outfile, "1:\\tsethi %%hi(imports+%d-0b), %%g1\\n\\t", pos );
789 fprintf( outfile, "or %%g1, %%lo(imports+%d-0b), %%g1\\n\\t", pos );
790 fprintf( outfile, "ld [%%g1+%%o7], %%g1\\n\\t" );
791 fprintf( outfile, "jmp %%g1\\n\\trestore\\n" );
794 #elif defined(__powerpc__)
795 fprintf(outfile, "\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
796 fprintf(outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
797 fprintf(outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
798 fprintf(outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
799 fprintf(outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
800 fprintf(outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
802 fprintf(outfile, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("imports") "+ %d") "\\n\"\n", ppc_reg[9], pos);
803 fprintf(outfile, "\t\"\\tla %s, " ppc_low (__ASM_NAME("imports") "+ %d") "(%s)\\n\"\n", ppc_reg[8], pos, ppc_reg[9]);
804 fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[8]);
805 fprintf(outfile, "\t\"\\tmtctr %s\\n\"\n", ppc_reg[7]);
807 fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
808 fprintf(outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
809 fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
810 fprintf(outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
811 fprintf(outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
812 fprintf(outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
813 fprintf(outfile, "\t\"\\tbctr\\n");
814 #elif defined(__ALPHA__)
815 fprintf( outfile, "\tlda $0,imports\\n\"\n" );
816 fprintf( outfile, "\t\"\\tlda $0,%d($0)\\n\"\n", pos);
817 fprintf( outfile, "\t\"\\tjmp $31,($0)\\n" );
819 #error You need to define import thunks for your architecture!
821 fprintf( outfile, "\"\n" );
822 output_function_size( outfile, name );
826 output_function_size( outfile, import_thunks );
827 fprintf( outfile, " \".text\");\n#ifndef __GNUC__\n}\n#endif\n\n" );
833 /* output the delayed import table of a Win32 module */
834 static int output_delayed_imports( FILE *outfile, const DLLSPEC *spec )
837 static const char delayed_import_loaders[] = "__wine_spec_delayed_import_loaders";
838 static const char delayed_import_thunks[] = "__wine_spec_delayed_import_thunks";
840 if (!nb_delayed) goto done;
842 for (i = 0; i < nb_imports; i++)
844 if (!dll_imports[i]->delay) continue;
845 fprintf( outfile, "static void *__wine_delay_imp_%d_hmod;\n", i);
846 for (j = 0; j < dll_imports[i]->nb_imports; j++)
848 ORDDEF *odp = dll_imports[i]->imports[j];
849 const char *name = odp->name ? odp->name : odp->export_name;
850 fprintf( outfile, "void __wine_delay_imp_%d_%s();\n", i, name );
853 fprintf( outfile, "\n" );
854 fprintf( outfile, "static struct {\n" );
855 fprintf( outfile, " struct ImgDelayDescr {\n" );
856 fprintf( outfile, " unsigned int grAttrs;\n" );
857 fprintf( outfile, " const char *szName;\n" );
858 fprintf( outfile, " void **phmod;\n" );
859 fprintf( outfile, " void **pIAT;\n" );
860 fprintf( outfile, " const char **pINT;\n" );
861 fprintf( outfile, " void* pBoundIAT;\n" );
862 fprintf( outfile, " void* pUnloadIAT;\n" );
863 fprintf( outfile, " unsigned long dwTimeStamp;\n" );
864 fprintf( outfile, " } imp[%d];\n", nb_delayed );
865 fprintf( outfile, " void *IAT[%d];\n", total_delayed );
866 fprintf( outfile, " const char *INT[%d];\n", total_delayed );
867 fprintf( outfile, "} delay_imports = {\n" );
868 fprintf( outfile, " {\n" );
869 for (i = j = 0; i < nb_imports; i++)
871 if (!dll_imports[i]->delay) continue;
872 fprintf( outfile, " { 0, \"%s\", &__wine_delay_imp_%d_hmod, &delay_imports.IAT[%d], &delay_imports.INT[%d], 0, 0, 0 },\n",
873 dll_imports[i]->spec->file_name, i, j, j );
874 j += dll_imports[i]->nb_imports;
876 fprintf( outfile, " },\n {\n" );
877 for (i = 0; i < nb_imports; i++)
879 if (!dll_imports[i]->delay) continue;
880 fprintf( outfile, " /* %s */\n", dll_imports[i]->spec->file_name );
881 for (j = 0; j < dll_imports[i]->nb_imports; j++)
883 ORDDEF *odp = dll_imports[i]->imports[j];
884 const char *name = odp->name ? odp->name : odp->export_name;
885 fprintf( outfile, " &__wine_delay_imp_%d_%s,\n", i, name );
888 fprintf( outfile, " },\n {\n" );
889 for (i = 0; i < nb_imports; i++)
891 if (!dll_imports[i]->delay) continue;
892 fprintf( outfile, " /* %s */\n", dll_imports[i]->spec->file_name );
893 for (j = 0; j < dll_imports[i]->nb_imports; j++)
895 ORDDEF *odp = dll_imports[i]->imports[j];
897 fprintf( outfile, " (char *)%d,\n", odp->ordinal );
899 fprintf( outfile, " \"%s\",\n", odp->name );
902 fprintf( outfile, " }\n};\n\n" );
904 fprintf( outfile, "extern void __stdcall RaiseException(unsigned int, unsigned int, unsigned int, const void *args[]);\n" );
905 fprintf( outfile, "extern void * __stdcall LoadLibraryA(const char*);\n");
906 fprintf( outfile, "extern void * __stdcall GetProcAddress(void *, const char*);\n");
907 fprintf( outfile, "\n" );
909 fprintf( outfile, "void *__stdcall __wine_delay_load( int idx_nr )\n" );
910 fprintf( outfile, "{\n" );
911 fprintf( outfile, " int idx = idx_nr >> 16, nr = idx_nr & 0xffff;\n" );
912 fprintf( outfile, " struct ImgDelayDescr *imd = delay_imports.imp + idx;\n" );
913 fprintf( outfile, " void **pIAT = imd->pIAT + nr;\n" );
914 fprintf( outfile, " const char** pINT = imd->pINT + nr;\n" );
915 fprintf( outfile, " void *fn;\n\n" );
917 fprintf( outfile, " if (!*imd->phmod) *imd->phmod = LoadLibraryA(imd->szName);\n" );
918 fprintf( outfile, " if (*imd->phmod && (fn = GetProcAddress(*imd->phmod, *pINT)))\n");
919 fprintf( outfile, " /* patch IAT with final value */\n" );
920 fprintf( outfile, " return *pIAT = fn;\n" );
921 fprintf( outfile, " else {\n");
922 fprintf( outfile, " const void *args[2];\n" );
923 fprintf( outfile, " args[0] = imd->szName;\n" );
924 fprintf( outfile, " args[1] = *pINT;\n" );
925 fprintf( outfile, " RaiseException( 0x%08x, %d, 2, args );\n",
926 EXCEPTION_WINE_STUB, EH_NONCONTINUABLE );
927 fprintf( outfile, " return 0;\n" );
928 fprintf( outfile, " }\n}\n\n" );
930 fprintf( outfile, "#ifndef __GNUC__\n" );
931 fprintf( outfile, "static void __asm__dummy_delay_import(void) {\n" );
932 fprintf( outfile, "#endif\n" );
934 fprintf( outfile, "asm(\".align %d\\n\"\n", get_alignment(8) );
935 fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_loaders);
936 fprintf( outfile, " \"\\t" __ASM_FUNC("__wine_delay_load_asm") "\\n\"\n" );
937 fprintf( outfile, " \"" __ASM_NAME("__wine_delay_load_asm") ":\\n\"\n" );
938 #if defined(__i386__)
939 fprintf( outfile, " \"\\tpushl %%ecx\\n\\tpushl %%edx\\n\\tpushl %%eax\\n\"\n" );
940 fprintf( outfile, " \"\\tcall __wine_delay_load\\n\"\n" );
941 fprintf( outfile, " \"\\tpopl %%edx\\n\\tpopl %%ecx\\n\\tjmp *%%eax\\n\"\n" );
942 #elif defined(__sparc__)
943 fprintf( outfile, " \"\\tsave %%sp, -96, %%sp\\n\"\n" );
944 fprintf( outfile, " \"\\tcall __wine_delay_load\\n\"\n" );
945 fprintf( outfile, " \"\\tmov %%g1, %%o0\\n\"\n" );
946 fprintf( outfile, " \"\\tjmp %%o0\\n\\trestore\\n\"\n" );
947 #elif defined(__powerpc__)
948 # if defined(__APPLE__)
949 /* On darwin an extra 56 bytes must be allowed for the linkage area+param area */
950 # define extra_stack_storage 56
952 # define extra_stack_storage 0
954 /* Save all callee saved registers into a stackframe. */
955 fprintf( outfile, " \"\\tstwu %s, -%d(%s)\\n\"\n",ppc_reg[1], 48+extra_stack_storage, ppc_reg[1]);
956 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[3], 4+extra_stack_storage, ppc_reg[1]);
957 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[4], 8+extra_stack_storage, ppc_reg[1]);
958 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[5], 12+extra_stack_storage, ppc_reg[1]);
959 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[6], 16+extra_stack_storage, ppc_reg[1]);
960 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[7], 20+extra_stack_storage, ppc_reg[1]);
961 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[8], 24+extra_stack_storage, ppc_reg[1]);
962 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[9], 28+extra_stack_storage, ppc_reg[1]);
963 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[10],32+extra_stack_storage, ppc_reg[1]);
964 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[11],36+extra_stack_storage, ppc_reg[1]);
965 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[12],40+extra_stack_storage, ppc_reg[1]);
967 /* r0 -> r3 (arg1) */
968 fprintf( outfile, " \"\\tmr %s, %s\\n\"\n", ppc_reg[3], ppc_reg[0]);
970 /* save return address */
971 fprintf( outfile, " \"\\tmflr %s\\n\"\n", ppc_reg[0]);
972 fprintf( outfile, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg[0], 44+extra_stack_storage, ppc_reg[1]);
974 /* Call the __wine_delay_load function, arg1 is arg1. */
975 fprintf( outfile, " \"\\tbl " __ASM_NAME("__wine_delay_load") "\\n\"\n");
977 /* Load return value from call into ctr register */
978 fprintf( outfile, " \"\\tmtctr %s\\n\"\n", ppc_reg[3]);
980 /* restore all saved registers and drop stackframe. */
981 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[3], 4+extra_stack_storage, ppc_reg[1]);
982 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[4], 8+extra_stack_storage, ppc_reg[1]);
983 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[5], 12+extra_stack_storage, ppc_reg[1]);
984 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[6], 16+extra_stack_storage, ppc_reg[1]);
985 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[7], 20+extra_stack_storage, ppc_reg[1]);
986 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[8], 24+extra_stack_storage, ppc_reg[1]);
987 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[9], 28+extra_stack_storage, ppc_reg[1]);
988 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[10],32+extra_stack_storage, ppc_reg[1]);
989 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[11],36+extra_stack_storage, ppc_reg[1]);
990 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[12],40+extra_stack_storage, ppc_reg[1]);
992 /* Load return value from call into return register */
993 fprintf( outfile, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg[0], 44+extra_stack_storage, ppc_reg[1]);
994 fprintf( outfile, " \"\\tmtlr %s\\n\"\n", ppc_reg[0]);
995 fprintf( outfile, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg[1], ppc_reg[1], 48+extra_stack_storage);
997 /* branch to ctr register. */
998 fprintf( outfile, " \"bctr\\n\"\n");
999 #elif defined(__ALPHA__)
1000 fprintf( outfile, " \"\\tjsr $26,__wine_delay_load\\n\"\n" );
1001 fprintf( outfile, " \"\\tjmp $31,($0)\\n\"\n" );
1003 #error You need to defined delayed import thunks for your architecture!
1005 output_function_size( outfile, "__wine_delay_load_asm" );
1007 for (i = idx = 0; i < nb_imports; i++)
1009 if (!dll_imports[i]->delay) continue;
1010 for (j = 0; j < dll_imports[i]->nb_imports; j++)
1013 ORDDEF *odp = dll_imports[i]->imports[j];
1014 const char *name = odp->name ? odp->name : odp->export_name;
1016 sprintf( buffer, "__wine_delay_imp_%d_%s", i, name );
1017 fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer );
1018 fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", buffer );
1019 #if defined(__i386__)
1020 fprintf( outfile, " \"\\tmovl $%d, %%eax\\n\"\n", (idx << 16) | j );
1021 fprintf( outfile, " \"\\tjmp __wine_delay_load_asm\\n\"\n" );
1022 #elif defined(__sparc__)
1023 fprintf( outfile, " \"\\tset %d, %%g1\\n\"\n", (idx << 16) | j );
1024 fprintf( outfile, " \"\\tb,a __wine_delay_load_asm\\n\"\n" );
1025 #elif defined(__powerpc__)
1027 /* On Darwin we can use r0 and r2 */
1028 /* Upper part in r2 */
1029 fprintf( outfile, " \"\\tlis %s, %d\\n\"\n", ppc_reg[2], idx);
1030 /* Lower part + r2 -> r0, Note we can't use r0 directly */
1031 fprintf( outfile, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg[0], ppc_reg[2], j);
1032 fprintf( outfile, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
1033 #else /* __APPLE__ */
1034 /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
1035 /* Save r13 on the stack */
1036 fprintf( outfile, " \"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1037 fprintf( outfile, " \"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[13], ppc_reg[1]);
1038 /* Upper part in r13 */
1039 fprintf( outfile, " \"\\tlis %s, %d\\n\"\n", ppc_reg[13], idx);
1040 /* Lower part + r13 -> r0, Note we can't use r0 directly */
1041 fprintf( outfile, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg[0], ppc_reg[13], j);
1043 fprintf( outfile, " \"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[13], ppc_reg[1]);
1044 fprintf( outfile, " \"\\taddic %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1045 fprintf( outfile, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
1046 #endif /* __APPLE__ */
1047 #elif defined(__ALPHA__)
1048 fprintf( outfile, " \"\\tlda $0,%d($31)\\n\"\n", j);
1049 fprintf( outfile, " \"\\tldah $0,%d($0)\\n\"\n", idx);
1050 fprintf( outfile, " \"\\tjmp $31,__wine_delay_load_asm\\n\"\n" );
1052 #error You need to defined delayed import thunks for your architecture!
1054 output_function_size( outfile, name );
1058 output_function_size( outfile, delayed_import_loaders );
1060 fprintf( outfile, "\n \".align %d\\n\"\n", get_alignment(8) );
1061 fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_thunks);
1062 pos = nb_delayed * 32;
1063 for (i = 0; i < nb_imports; i++)
1065 if (!dll_imports[i]->delay) continue;
1066 for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += 4)
1068 ORDDEF *odp = dll_imports[i]->imports[j];
1069 const char *name = odp->name ? odp->name : odp->export_name;
1071 fprintf( outfile, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name );
1072 fprintf( outfile, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name );
1073 fprintf( outfile, " \"" __ASM_NAME("%s") ":\\n\\t\"", name );
1074 #if defined(__i386__)
1075 if (strstr( name, "__wine_call_from_16" ))
1076 fprintf( outfile, "\".byte 0x2e\\n\\tjmp *(delay_imports+%d)\\n\\tnop\\n\"", pos );
1078 fprintf( outfile, "\"jmp *(delay_imports+%d)\\n\\tmovl %%esi,%%esi\\n\"", pos );
1079 #elif defined(__sparc__)
1082 fprintf( outfile, "\"sethi %%hi(delay_imports+%d), %%g1\\n\\t\"", pos );
1083 fprintf( outfile, "\"ld [%%g1+%%lo(delay_imports+%d)], %%g1\\n\\t\"", pos );
1084 fprintf( outfile, "\"jmp %%g1\\n\\tnop\\n\"" );
1088 /* Hmpf. Stupid sparc assembler always interprets global variable
1089 names as GOT offsets, so we have to do it the long way ... */
1090 fprintf( outfile, "\"save %%sp, -96, %%sp\\n\"" );
1091 fprintf( outfile, "\"0:\\tcall 1f\\n\\tnop\\n\"" );
1092 fprintf( outfile, "\"1:\\tsethi %%hi(delay_imports+%d-0b), %%g1\\n\\t\"", pos );
1093 fprintf( outfile, "\"or %%g1, %%lo(delay_imports+%d-0b), %%g1\\n\\t\"", pos );
1094 fprintf( outfile, "\"ld [%%g1+%%o7], %%g1\\n\\t\"" );
1095 fprintf( outfile, "\"jmp %%g1\\n\\trestore\\n\"" );
1098 #elif defined(__powerpc__)
1099 fprintf( outfile, "\t\"addi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1100 fprintf( outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
1101 fprintf( outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1102 fprintf( outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
1103 fprintf( outfile, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1104 fprintf( outfile, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
1106 fprintf( outfile, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("delay_imports") "+ %d") "\\n\"\n", ppc_reg[9], pos);
1107 fprintf( outfile, "\t\"\\tla %s, " ppc_low (__ASM_NAME("delay_imports") "+ %d") "(%s)\\n\"\n", ppc_reg[8], pos, ppc_reg[9]);
1108 fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[8]);
1109 fprintf( outfile, "\t\"\\tmtctr %s\\n\"\n", ppc_reg[7]);
1111 fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[7], ppc_reg[1]);
1112 fprintf( outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1113 fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[8], ppc_reg[1]);
1114 fprintf( outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1115 fprintf( outfile, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg[9], ppc_reg[1]);
1116 fprintf( outfile, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg[1], ppc_reg[1]);
1117 fprintf( outfile, "\t\"\\tbctr\\n\"");
1118 #elif defined(__ALPHA__)
1119 fprintf( outfile, "\t\"lda $0,delay_imports\\n\"\n" );
1120 fprintf( outfile, "\t\"\\tlda $0,%d($0)\\n\"\n", pos);
1121 fprintf( outfile, "\t\"\\tjmp $31,($0)\\n\"" );
1123 #error You need to define delayed import thunks for your architecture!
1125 fprintf( outfile, "\n" );
1126 output_function_size( outfile, name );
1129 output_function_size( outfile, delayed_import_thunks );
1130 fprintf( outfile, ");\n" );
1131 fprintf( outfile, "#ifndef __GNUC__\n" );
1132 fprintf( outfile, "}\n" );
1133 fprintf( outfile, "#endif\n" );
1134 fprintf( outfile, "\n" );
1140 /* output the import and delayed import tables of a Win32 module
1141 * returns number of DLLs exported in 'immediate' mode
1143 int output_imports( FILE *outfile, DLLSPEC *spec )
1145 output_delayed_imports( outfile, spec );
1146 return output_immediate_imports( outfile );