4 * Copyright 1993 Robert J. Amstadt
5 * Copyright 1995 Martin von Loewis
6 * Copyright 1995, 1996, 1997 Alexandre Julliard
7 * Copyright 1997 Eric Youngdale
8 * Copyright 1999 Ulrich Weigand
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/port.h"
31 #include "wine/winbase16.h"
35 /* sequences of nops to fill a certain number of words */
36 static const char * const nop_sequence[4] =
38 ".byte 0x89,0xf6", /* mov %esi,%esi */
39 ".byte 0x8d,0x74,0x26,0x00", /* lea 0x00(%esi),%esi */
40 ".byte 0x8d,0xb6,0x00,0x00,0x00,0x00", /* lea 0x00000000(%esi),%esi */
41 ".byte 0x8d,0x74,0x26,0x00,0x8d,0x74,0x26,0x00" /* lea 0x00(%esi),%esi; lea 0x00(%esi),%esi */
44 static inline int is_function( const ORDDEF *odp )
46 return (odp->type == TYPE_CDECL ||
47 odp->type == TYPE_PASCAL ||
48 odp->type == TYPE_VARARGS ||
49 odp->type == TYPE_STUB);
52 /*******************************************************************
55 * Output entries for individual symbols in the entry table.
57 static void output_entries( DLLSPEC *spec, int first, int count )
61 for (i = 0; i < count; i++)
63 ORDDEF *odp = spec->ordinals[first + i];
64 output( "\t.byte 0x03\n" ); /* flags: exported & public data */
71 output( "\t%s .L__wine_%s_%u-.L__wine_spec_code_segment\n",
72 get_asm_short_keyword(),
73 make_c_identifier(spec->dll_name), first + i );
76 output( "\t%s .L__wine_%s_%u-.L__wine_spec_data_segment\n",
77 get_asm_short_keyword(),
78 make_c_identifier(spec->dll_name), first + i );
81 output( "\t%s 0x%04x /* %s */\n",
82 get_asm_short_keyword(), odp->u.abs.value, odp->name );
91 /*******************************************************************
94 static void output_entry_table( DLLSPEC *spec )
96 int i, prev = 0, prev_sel = -1, bundle_count = 0;
98 for (i = 1; i <= spec->limit; i++)
101 ORDDEF *odp = spec->ordinals[i];
110 selector = 1; /* Code selector */
113 selector = 2; /* Data selector */
116 selector = 0xfe; /* Constant selector */
122 if (prev + 1 != i || prev_sel != selector || bundle_count == 255)
124 /* need to start a new bundle */
126 /* flush previous bundle */
129 output( "\t/* %s.%d - %s.%d */\n",
130 spec->dll_name, prev - bundle_count + 1, spec->dll_name, prev );
131 output( "\t.byte 0x%02x,0x%02x\n", bundle_count, prev_sel );
132 output_entries( spec, prev - bundle_count + 1, bundle_count );
137 int skip = i - (prev + 1);
140 output( "\t.byte 0xff,0x00\n" );
143 output( "\t.byte 0x%02x,0x00\n", skip );
153 /* flush last bundle */
156 output( "\t.byte 0x%02x,0x%02x\n", bundle_count, prev_sel );
157 output_entries( spec, prev - bundle_count + 1, bundle_count );
159 output( "\t.byte 0x00\n" );
163 /*******************************************************************
164 * output_resident_name
166 static void output_resident_name( const char *string, int ordinal )
168 unsigned int i, len = strlen(string);
170 output( "\t.byte 0x%02x", len );
171 for (i = 0; i < len; i++) output( ",0x%02x", (unsigned char)toupper(string[i]) );
172 output( " /* %s */\n", string );
173 output( "\t%s %u\n", get_asm_short_keyword(), ordinal );
177 /*******************************************************************
178 * get_callfrom16_name
180 static const char *get_callfrom16_name( const ORDDEF *odp )
182 static char buffer[80];
184 sprintf( buffer, "%s_%s_%s",
185 (odp->type == TYPE_PASCAL) ? "p" :
186 (odp->type == TYPE_VARARGS) ? "v" : "c",
187 (odp->flags & FLAG_REGISTER) ? "regs" :
188 (odp->flags & FLAG_RET16) ? "word" : "long",
189 odp->u.func.arg_types );
194 /*******************************************************************
197 static const char *get_relay_name( const ORDDEF *odp )
199 static char buffer[80];
205 strcpy( buffer, "p_" );
208 strcpy( buffer, "v_" );
212 strcpy( buffer, "c_" );
217 strcat( buffer, odp->u.func.arg_types );
218 for (p = buffer + 2; *p; p++)
220 /* map string types to the corresponding plain pointer type */
221 if (*p == 't') *p = 'p';
222 else if (*p == 'T') *p = 'l';
224 if (odp->flags & FLAG_REGISTER) strcat( buffer, "_regs" );
229 /*******************************************************************
230 * get_function_argsize
232 static int get_function_argsize( const ORDDEF *odp )
237 for (args = odp->u.func.arg_types; *args; args++)
242 case 's': /* s_word */
245 case 'l': /* long or segmented pointer */
246 case 'T': /* segmented pointer to null-terminated string */
247 case 'p': /* linear pointer */
248 case 't': /* linear pointer to null-terminated string */
259 /*******************************************************************
260 * output_call16_function
262 * Build a 16-bit-to-Wine callback glue function.
264 * The generated routines are intended to be used as argument conversion
265 * routines to be called by the CallFrom16... core. Thus, the prototypes of
266 * the generated routines are (see also CallFrom16):
268 * extern WORD WINAPI __wine_spec_call16_C_xxx( FARPROC func, LPBYTE args );
269 * extern LONG WINAPI __wine_spec_call16_C_xxx( FARPROC func, LPBYTE args );
270 * extern void WINAPI __wine_spec_call16_C_xxx_regs( FARPROC func, LPBYTE args, CONTEXT86 *context );
272 * where 'C' is the calling convention ('p' for pascal or 'c' for cdecl),
273 * and each 'x' is an argument ('w'=word, 's'=signed word, 'l'=long,
274 * 'p'=linear pointer, 't'=linear pointer to null-terminated string,
275 * 'T'=segmented pointer to null-terminated string).
277 * The generated routines fetch the arguments from the 16-bit stack (pointed
278 * to by 'args'); the offsets of the single argument values are computed
279 * according to the calling convention and the argument types. Then, the
280 * 32-bit entry point is called with these arguments.
282 * For register functions, the arguments (if present) are converted just
283 * the same as for normal functions, but in addition the CONTEXT86 pointer
284 * filled with the current register values is passed to the 32-bit routine.
286 static void output_call16_function( ORDDEF *odp )
289 int i, pos, stack_words;
290 const char *args = odp->u.func.arg_types;
291 int argsize = get_function_argsize( odp );
292 int needs_ldt = strchr( args, 'p' ) || strchr( args, 't' );
294 sprintf( name, ".L__wine_spec_call16_%s", get_relay_name(odp) );
296 output( "\t.align %d\n", get_alignment(4) );
297 output( "\t%s\n", func_declaration(name) );
298 output( "%s:\n", name );
299 output( "\tpushl %%ebp\n" );
300 output( "\tmovl %%esp,%%ebp\n" );
304 output( "\tpushl %%esi\n" );
308 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
309 output( "1:\tmovl wine_ldt_copy_ptr-1b(%%eax),%%esi\n" );
312 output( "\tmovl $%s,%%esi\n", asm_name("wine_ldt_copy") );
315 /* preserve 16-byte stack alignment */
316 stack_words += strlen(args);
317 if ((odp->flags & FLAG_REGISTER) || (odp->type == TYPE_VARARGS)) stack_words++;
318 if (stack_words % 4) output( "\tsubl $%d,%%esp\n", 16 - 4 * (stack_words % 4) );
320 if (args[0] || odp->type == TYPE_VARARGS)
321 output( "\tmovl 12(%%ebp),%%ecx\n" ); /* args */
323 if (odp->flags & FLAG_REGISTER)
325 output( "\tpushl 16(%%ebp)\n" ); /* context */
327 else if (odp->type == TYPE_VARARGS)
329 output( "\tleal %d(%%ecx),%%eax\n", argsize );
330 output( "\tpushl %%eax\n" ); /* va_list16 */
333 pos = (odp->type == TYPE_PASCAL) ? 0 : argsize;
334 for (i = strlen(args) - 1; i >= 0; i--)
339 if (odp->type != TYPE_PASCAL) pos -= 2;
340 output( "\tmovzwl %d(%%ecx),%%eax\n", pos );
341 output( "\tpushl %%eax\n" );
342 if (odp->type == TYPE_PASCAL) pos += 2;
345 case 's': /* s_word */
346 if (odp->type != TYPE_PASCAL) pos -= 2;
347 output( "\tmovswl %d(%%ecx),%%eax\n", pos );
348 output( "\tpushl %%eax\n" );
349 if (odp->type == TYPE_PASCAL) pos += 2;
352 case 'l': /* long or segmented pointer */
353 case 'T': /* segmented pointer to null-terminated string */
354 if (odp->type != TYPE_PASCAL) pos -= 4;
355 output( "\tpushl %d(%%ecx)\n", pos );
356 if (odp->type == TYPE_PASCAL) pos += 4;
359 case 'p': /* linear pointer */
360 case 't': /* linear pointer to null-terminated string */
361 if (odp->type != TYPE_PASCAL) pos -= 4;
362 output( "\tmovzwl %d(%%ecx),%%edx\n", pos + 2 ); /* sel */
363 output( "\tshr $3,%%edx\n" );
364 output( "\tmovzwl %d(%%ecx),%%eax\n", pos ); /* offset */
365 output( "\taddl (%%esi,%%edx,4),%%eax\n" );
366 output( "\tpushl %%eax\n" );
367 if (odp->type == TYPE_PASCAL) pos += 4;
375 output( "\tcall *8(%%ebp)\n" );
377 if (needs_ldt) output( "\tmovl -4(%%ebp),%%esi\n" );
379 output( "\tleave\n" );
381 output_function_size( name );
385 /*******************************************************************
386 * callfrom16_type_compare
388 * Compare two callfrom16 sequences.
390 static int callfrom16_type_compare( const void *e1, const void *e2 )
392 const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
393 const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
395 int type1 = odp1->type;
396 int type2 = odp2->type;
398 if (type1 == TYPE_STUB) type1 = TYPE_CDECL;
399 if (type2 == TYPE_STUB) type2 = TYPE_CDECL;
401 if ((retval = type1 - type2) != 0) return retval;
403 type1 = odp1->flags & (FLAG_RET16|FLAG_REGISTER);
404 type2 = odp2->flags & (FLAG_RET16|FLAG_REGISTER);
406 if ((retval = type1 - type2) != 0) return retval;
408 return strcmp( odp1->u.func.arg_types, odp2->u.func.arg_types );
412 /*******************************************************************
415 * Same as callfrom16_type_compare but ignores differences that don't affect the resulting relay function.
417 static int relay_type_compare( const void *e1, const void *e2 )
419 const ORDDEF *odp1 = *(const ORDDEF * const *)e1;
420 const ORDDEF *odp2 = *(const ORDDEF * const *)e2;
423 strcpy( name1, get_relay_name(odp1) );
424 return strcmp( name1, get_relay_name(odp2) );
428 /*******************************************************************
431 * Sort a list of functions, removing duplicates.
433 static int sort_func_list( ORDDEF **list, int count,
434 int (*compare)(const void *, const void *) )
438 qsort( list, count, sizeof(*list), compare );
440 for (i = j = 0; i < count; i++)
442 if (compare( &list[j], &list[i] )) list[++j] = list[i];
448 /*******************************************************************
451 * Output the dll initialization code.
453 static void output_init_code( const DLLSPEC *spec, const char *header_name )
457 sprintf( name, ".L__wine_spec_%s_init", make_c_identifier(spec->dll_name) );
459 output( "\n/* dll initialization code */\n\n" );
460 output( "\t.text\n" );
461 output( "\t.align 4\n" );
462 output( "\t%s\n", func_declaration(name) );
463 output( "%s:\n", name );
464 output( "subl $4,%%esp\n" );
467 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
468 output( "1:\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
469 output( "\tpushl %%ecx\n" );
470 output( "\tleal %s-1b(%%eax),%%ecx\n", header_name );
471 output( "\tpushl %%ecx\n" );
475 output( "\tpushl $.L__wine_spec_file_name\n" );
476 output( "\tpushl $%s\n", header_name );
478 output( "\tcall %s\n", asm_name("__wine_dll_register_16") );
479 output( "\taddl $12,%%esp\n" );
481 output_function_size( name );
483 sprintf( name, ".L__wine_spec_%s_fini", make_c_identifier(spec->dll_name) );
485 output( "\t.align 4\n" );
486 output( "\t%s\n", func_declaration(name) );
487 output( "%s:\n", name );
488 output( "subl $8,%%esp\n" );
491 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
492 output( "1:\tleal %s-1b(%%eax),%%ecx\n", header_name );
493 output( "\tpushl %%ecx\n" );
497 output( "\tpushl $%s\n", header_name );
499 output( "\tcall %s\n", asm_name("__wine_dll_unregister_16") );
500 output( "\taddl $12,%%esp\n" );
502 output_function_size( name );
504 if (target_platform == PLATFORM_APPLE)
506 output( "\t.mod_init_func\n" );
507 output( "\t.align %d\n", get_alignment(4) );
508 output( "\t.long .L__wine_spec_%s_init\n", make_c_identifier(spec->dll_name) );
509 output( "\t.mod_term_func\n" );
510 output( "\t.align %d\n", get_alignment(4) );
511 output( "\t.long .L__wine_spec_%s_fini\n", make_c_identifier(spec->dll_name) );
515 output( "\t.section \".init\",\"ax\"\n" );
516 output( "\tcall .L__wine_spec_%s_init\n", make_c_identifier(spec->dll_name) );
517 output( "\t.section \".fini\",\"ax\"\n" );
518 output( "\tcall .L__wine_spec_%s_fini\n", make_c_identifier(spec->dll_name) );
523 /*******************************************************************
526 * Build a Win16 assembly file from a spec file.
528 void BuildSpec16File( DLLSPEC *spec )
532 char header_name[256];
536 output_standard_file_header();
538 if (!spec->dll_name) /* set default name from file name */
541 spec->dll_name = xstrdup( spec->file_name );
542 if ((p = strrchr( spec->dll_name, '.' ))) *p = 0;
545 /* Build sorted list of all argument types, without duplicates */
547 typelist = xmalloc( (spec->limit + 1) * sizeof(*typelist) );
549 for (i = nb_funcs = 0; i <= spec->limit; i++)
551 ORDDEF *odp = spec->ordinals[i];
553 if (is_function( odp )) typelist[nb_funcs++] = odp;
556 nb_funcs = sort_func_list( typelist, nb_funcs, callfrom16_type_compare );
558 /* Output the module structure */
560 sprintf( header_name, "__wine_spec_%s_dos_header", make_c_identifier(spec->dll_name) );
561 output( "\n/* module data */\n\n" );
562 output( "\t.data\n" );
563 output( "\t.align %d\n", get_alignment(4) );
564 output( "%s:\n", header_name );
565 output( "\t%s 0x%04x\n", get_asm_short_keyword(), /* e_magic */
566 IMAGE_DOS_SIGNATURE );
567 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cblp */
568 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cp */
569 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_crlc */
570 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cparhdr */
571 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_minalloc */
572 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_maxalloc */
573 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_ss */
574 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_sp */
575 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_csum */
576 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_ip */
577 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cs */
578 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_lfarlc */
579 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_ovno */
580 output( "\t%s 0,0,0,0\n", get_asm_short_keyword() ); /* e_res */
581 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_oemid */
582 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_oeminfo */
583 output( "\t%s 0,0,0,0,0,0,0,0,0,0\n", get_asm_short_keyword() ); /* e_res2 */
584 output( "\t.long .L__wine_spec_ne_header-%s\n", header_name ); /* e_lfanew */
586 output( ".L__wine_spec_ne_header:\n" );
587 output( "\t%s 0x%04x\n", get_asm_short_keyword(), /* ne_magic */
588 IMAGE_OS2_SIGNATURE );
589 output( "\t.byte 0\n" ); /* ne_ver */
590 output( "\t.byte 0\n" ); /* ne_rev */
591 output( "\t%s .L__wine_spec_ne_enttab-.L__wine_spec_ne_header\n", /* ne_enttab */
592 get_asm_short_keyword() );
593 output( "\t%s .L__wine_spec_ne_enttab_end-.L__wine_spec_ne_enttab\n", /* ne_cbenttab */
594 get_asm_short_keyword() );
595 output( "\t.long 0\n" ); /* ne_crc */
596 output( "\t%s 0x%04x\n", get_asm_short_keyword(), /* ne_flags */
597 NE_FFLAGS_SINGLEDATA | NE_FFLAGS_LIBMODULE );
598 output( "\t%s 2\n", get_asm_short_keyword() ); /* ne_autodata */
599 output( "\t%s %u\n", get_asm_short_keyword(), spec->heap_size ); /* ne_heap */
600 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_stack */
601 output( "\t.long 0\n" ); /* ne_csip */
602 output( "\t.long 0\n" ); /* ne_sssp */
603 output( "\t%s 2\n", get_asm_short_keyword() ); /* ne_cseg */
604 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cmod */
605 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cbnrestab */
606 output( "\t%s .L__wine_spec_ne_segtab-.L__wine_spec_ne_header\n", /* ne_segtab */
607 get_asm_short_keyword() );
608 output( "\t%s .L__wine_spec_ne_rsrctab-.L__wine_spec_ne_header\n", /* ne_rsrctab */
609 get_asm_short_keyword() );
610 output( "\t%s .L__wine_spec_ne_restab-.L__wine_spec_ne_header\n", /* ne_restab */
611 get_asm_short_keyword() );
612 output( "\t%s .L__wine_spec_ne_modtab-.L__wine_spec_ne_header\n", /* ne_modtab */
613 get_asm_short_keyword() );
614 output( "\t%s .L__wine_spec_ne_imptab-.L__wine_spec_ne_header\n", /* ne_imptab */
615 get_asm_short_keyword() );
616 output( "\t.long 0\n" ); /* ne_nrestab */
617 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cmovent */
618 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_align */
619 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cres */
620 output( "\t.byte 0x%02x\n", NE_OSFLAGS_WINDOWS ); /* ne_exetyp */
621 output( "\t.byte 0x%02x\n", NE_AFLAGS_FASTLOAD ); /* ne_flagsothers */
622 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_pretthunks */
623 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_psegrefbytes */
624 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_swaparea */
625 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_expver */
629 output( "\n.L__wine_spec_ne_segtab:\n" );
631 /* code segment entry */
633 output( "\t%s .L__wine_spec_code_segment-%s\n", /* filepos */
634 get_asm_short_keyword(), header_name );
635 output( "\t%s .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n", /* size */
636 get_asm_short_keyword() );
637 output( "\t%s 0x%04x\n", get_asm_short_keyword(), NE_SEGFLAGS_32BIT ); /* flags */
638 output( "\t%s .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n", /* minsize */
639 get_asm_short_keyword() );
641 /* data segment entry */
643 output( "\t%s .L__wine_spec_data_segment-%s\n", /* filepos */
644 get_asm_short_keyword(), header_name );
645 output( "\t%s .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n", /* size */
646 get_asm_short_keyword() );
647 output( "\t%s 0x%04x\n", get_asm_short_keyword(), NE_SEGFLAGS_DATA ); /* flags */
648 output( "\t%s .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n", /* minsize */
649 get_asm_short_keyword() );
651 /* resource directory */
653 output_res16_directory( spec, header_name );
655 /* resident names table */
657 output( "\n\t.align %d\n", get_alignment(2) );
658 output( ".L__wine_spec_ne_restab:\n" );
659 output_resident_name( spec->dll_name, 0 );
660 for (i = 1; i <= spec->limit; i++)
662 ORDDEF *odp = spec->ordinals[i];
663 if (!odp || !odp->name[0]) continue;
664 output_resident_name( odp->name, i );
666 output( "\t.byte 0\n" );
668 /* imported names table */
670 output( "\n\t.align %d\n", get_alignment(2) );
671 output( ".L__wine_spec_ne_modtab:\n" );
672 output( ".L__wine_spec_ne_imptab:\n" );
673 output( "\t.byte 0,0\n" );
677 output( "\n.L__wine_spec_ne_enttab:\n" );
678 output_entry_table( spec );
679 output( ".L__wine_spec_ne_enttab_end:\n" );
683 output( "\n\t.align %d\n", get_alignment(2) );
684 output( ".L__wine_spec_code_segment:\n" );
686 for ( i = 0; i < nb_funcs; i++ )
688 unsigned int arg_types[2];
689 int j, nop_words, argsize = 0;
691 if ( typelist[i]->type == TYPE_PASCAL )
692 argsize = get_function_argsize( typelist[i] );
694 /* build the arg types bit fields */
695 arg_types[0] = arg_types[1] = 0;
696 for (j = 0; typelist[i]->u.func.arg_types[j]; j++)
699 switch(typelist[i]->u.func.arg_types[j])
701 case 'w': type = ARG_WORD; break;
702 case 's': type = ARG_SWORD; break;
703 case 'l': type = ARG_LONG; break;
704 case 'p': type = ARG_PTR; break;
705 case 't': type = ARG_STR; break;
706 case 'T': type = ARG_SEGSTR; break;
708 arg_types[j / 10] |= type << (3 * (j % 10));
710 if (typelist[i]->type == TYPE_VARARGS) arg_types[j / 10] |= ARG_VARARG << (3 * (j % 10));
712 output( ".L__wine_spec_callfrom16_%s:\n", get_callfrom16_name(typelist[i]) );
713 output( "\tpushl $.L__wine_spec_call16_%s\n", get_relay_name(typelist[i]) );
714 output( "\tlcall $0,$0\n" );
716 if (typelist[i]->flags & FLAG_REGISTER)
720 else if (typelist[i]->flags & FLAG_RET16)
722 output( "\torw %%ax,%%ax\n" );
723 output( "\tnop\n" ); /* so that the lretw is aligned */
728 output( "\tshld $16,%%eax,%%edx\n" );
729 output( "\torl %%eax,%%eax\n" );
735 output( "\tlretw $%u\n", argsize );
738 else output( "\tlretw\n" );
740 if (nop_words) output( "\t%s\n", nop_sequence[nop_words-1] );
742 /* the movl is here so that the code contains only valid instructions, */
743 /* it's never actually executed, we only care about the arg_types[] values */
744 output( "\t%s 0x86c7\n", get_asm_short_keyword() );
745 output( "\t.long 0x%08x,0x%08x\n", arg_types[0], arg_types[1] );
748 for (i = 0; i <= spec->limit; i++)
750 ORDDEF *odp = spec->ordinals[i];
751 if (!odp || !is_function( odp )) continue;
752 output( ".L__wine_%s_%u:\n", make_c_identifier(spec->dll_name), i );
753 output( "\tpushw %%bp\n" );
754 output( "\tpushl $%s\n",
755 asm_name( odp->type == TYPE_STUB ? get_stub_name( odp, spec ) : odp->link_name ));
756 output( "\tcallw .L__wine_spec_callfrom16_%s\n", get_callfrom16_name( odp ) );
758 output( ".L__wine_spec_code_segment_end:\n" );
762 output( "\n.L__wine_spec_data_segment:\n" );
763 output( "\t.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\n" ); /* instance data */
764 for (i = 0; i <= spec->limit; i++)
766 ORDDEF *odp = spec->ordinals[i];
767 if (!odp || odp->type != TYPE_VARIABLE) continue;
768 output( ".L__wine_%s_%u:\n", make_c_identifier(spec->dll_name), i );
769 output( "\t.long " );
770 for (j = 0; j < odp->u.var.n_values-1; j++)
771 output( "0x%08x,", odp->u.var.values[j] );
772 output( "0x%08x\n", odp->u.var.values[j] );
774 output( ".L__wine_spec_data_segment_end:\n" );
778 if (spec->nb_resources)
780 output( "\n.L__wine_spec_resource_data:\n" );
781 output_res16_data( spec );
784 output( "\t.byte 0\n" ); /* make sure the last symbol points to something */
786 /* relay functions */
788 nb_funcs = sort_func_list( typelist, nb_funcs, relay_type_compare );
791 output( "\n/* relay functions */\n\n" );
792 output( "\t.text\n" );
793 for ( i = 0; i < nb_funcs; i++ ) output_call16_function( typelist[i] );
794 output( "\t.data\n" );
795 output( "wine_ldt_copy_ptr:\n" );
796 output( "\t.long %s\n", asm_name("wine_ldt_copy") );
799 output( "\n\t%s\n", get_asm_string_section() );
800 output( ".L__wine_spec_file_name:\n" );
801 output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
803 output_stubs( spec );
804 output_get_pc_thunk();
805 output_init_code( spec, header_name );
806 output_gnu_stack_note();