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 if (!count) return 0;
439 qsort( list, count, sizeof(*list), compare );
441 for (i = j = 0; i < count; i++)
443 if (compare( &list[j], &list[i] )) list[++j] = list[i];
449 /*******************************************************************
452 * Output the dll initialization code.
454 static void output_init_code( const DLLSPEC *spec, const char *header_name )
458 sprintf( name, ".L__wine_spec_%s_init", make_c_identifier(spec->dll_name) );
460 output( "\n/* dll initialization code */\n\n" );
461 output( "\t.text\n" );
462 output( "\t.align 4\n" );
463 output( "\t%s\n", func_declaration(name) );
464 output( "%s:\n", name );
465 output( "\tsubl $4,%%esp\n" );
468 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
469 output( "1:\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
470 output( "\tpushl %%ecx\n" );
471 output( "\tleal %s-1b(%%eax),%%ecx\n", header_name );
472 output( "\tpushl %%ecx\n" );
476 output( "\tpushl $.L__wine_spec_file_name\n" );
477 output( "\tpushl $%s\n", header_name );
479 output( "\tcall %s\n", asm_name("__wine_dll_register_16") );
480 output( "\taddl $12,%%esp\n" );
482 output_function_size( name );
484 sprintf( name, ".L__wine_spec_%s_fini", make_c_identifier(spec->dll_name) );
486 output( "\t.align 4\n" );
487 output( "\t%s\n", func_declaration(name) );
488 output( "%s:\n", name );
489 output( "\tsubl $8,%%esp\n" );
492 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
493 output( "1:\tleal %s-1b(%%eax),%%ecx\n", header_name );
494 output( "\tpushl %%ecx\n" );
498 output( "\tpushl $%s\n", header_name );
500 output( "\tcall %s\n", asm_name("__wine_dll_unregister_16") );
501 output( "\taddl $12,%%esp\n" );
503 output_function_size( name );
505 if (target_platform == PLATFORM_APPLE)
507 output( "\t.mod_init_func\n" );
508 output( "\t.align %d\n", get_alignment(4) );
509 output( "\t.long .L__wine_spec_%s_init\n", make_c_identifier(spec->dll_name) );
510 output( "\t.mod_term_func\n" );
511 output( "\t.align %d\n", get_alignment(4) );
512 output( "\t.long .L__wine_spec_%s_fini\n", make_c_identifier(spec->dll_name) );
516 output( "\t.section \".init\",\"ax\"\n" );
517 output( "\tcall .L__wine_spec_%s_init\n", make_c_identifier(spec->dll_name) );
518 output( "\t.section \".fini\",\"ax\"\n" );
519 output( "\tcall .L__wine_spec_%s_fini\n", make_c_identifier(spec->dll_name) );
524 /*******************************************************************
527 * Build a Win16 assembly file from a spec file.
529 void BuildSpec16File( DLLSPEC *spec )
532 ORDDEF *entry_point = NULL;
534 char header_name[256];
538 output_standard_file_header();
540 if (!spec->file_name)
543 spec->file_name = xstrdup( output_file_name );
544 if ((p = strrchr( spec->file_name, '.' ))) *p = 0;
546 if (!spec->dll_name) /* set default name from file name */
549 spec->dll_name = xstrdup( spec->file_name );
550 if ((p = strrchr( spec->dll_name, '.' ))) *p = 0;
553 /* store the main entry point as ordinal 0 */
557 spec->ordinals = xmalloc( sizeof(spec->ordinals[0]) );
558 spec->ordinals[0] = NULL;
560 if (spec->init_func && !(spec->characteristics & IMAGE_FILE_DLL))
562 entry_point = xmalloc( sizeof(*entry_point) );
563 entry_point->type = TYPE_PASCAL;
564 entry_point->ordinal = 0;
565 entry_point->lineno = 0;
566 entry_point->flags = FLAG_REGISTER;
567 entry_point->name = NULL;
568 entry_point->link_name = xstrdup( spec->init_func );
569 entry_point->export_name = NULL;
570 entry_point->u.func.arg_types[0] = 0;
571 assert( !spec->ordinals[0] );
572 spec->ordinals[0] = entry_point;
575 /* Build sorted list of all argument types, without duplicates */
577 typelist = xmalloc( (spec->limit + 1) * sizeof(*typelist) );
579 for (i = nb_funcs = 0; i <= spec->limit; i++)
581 ORDDEF *odp = spec->ordinals[i];
583 if (is_function( odp )) typelist[nb_funcs++] = odp;
586 nb_funcs = sort_func_list( typelist, nb_funcs, callfrom16_type_compare );
588 /* Output the module structure */
590 sprintf( header_name, "__wine_spec_%s_dos_header", make_c_identifier(spec->dll_name) );
591 output( "\n/* module data */\n\n" );
592 output( "\t.data\n" );
593 output( "\t.align %d\n", get_alignment(4) );
594 output( "%s:\n", header_name );
595 output( "\t%s 0x%04x\n", get_asm_short_keyword(), /* e_magic */
596 IMAGE_DOS_SIGNATURE );
597 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cblp */
598 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cp */
599 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_crlc */
600 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cparhdr */
601 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_minalloc */
602 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_maxalloc */
603 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_ss */
604 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_sp */
605 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_csum */
606 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_ip */
607 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_cs */
608 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_lfarlc */
609 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_ovno */
610 output( "\t%s 0,0,0,0\n", get_asm_short_keyword() ); /* e_res */
611 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_oemid */
612 output( "\t%s 0\n", get_asm_short_keyword() ); /* e_oeminfo */
613 output( "\t%s 0,0,0,0,0,0,0,0,0,0\n", get_asm_short_keyword() ); /* e_res2 */
614 output( "\t.long .L__wine_spec_ne_header-%s\n", header_name ); /* e_lfanew */
616 output( ".L__wine_spec_ne_header:\n" );
617 output( "\t%s 0x%04x\n", get_asm_short_keyword(), /* ne_magic */
618 IMAGE_OS2_SIGNATURE );
619 output( "\t.byte 0\n" ); /* ne_ver */
620 output( "\t.byte 0\n" ); /* ne_rev */
621 output( "\t%s .L__wine_spec_ne_enttab-.L__wine_spec_ne_header\n", /* ne_enttab */
622 get_asm_short_keyword() );
623 output( "\t%s .L__wine_spec_ne_enttab_end-.L__wine_spec_ne_enttab\n", /* ne_cbenttab */
624 get_asm_short_keyword() );
625 output( "\t.long 0\n" ); /* ne_crc */
626 output( "\t%s 0x%04x\n", get_asm_short_keyword(), /* ne_flags */
627 NE_FFLAGS_SINGLEDATA |
628 ((spec->characteristics & IMAGE_FILE_DLL) ? NE_FFLAGS_LIBMODULE : 0) );
629 output( "\t%s 2\n", get_asm_short_keyword() ); /* ne_autodata */
630 output( "\t%s %u\n", get_asm_short_keyword(), spec->heap_size ); /* ne_heap */
631 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_stack */
632 if (!entry_point) output( "\t.long 0\n" ); /* ne_csip */
633 else output( "\t%s .L__wine_%s_0-.L__wine_spec_code_segment,1\n",
634 get_asm_short_keyword(), make_c_identifier(spec->dll_name) );
635 output( "\t%s 0,2\n", get_asm_short_keyword() ); /* ne_sssp */
636 output( "\t%s 2\n", get_asm_short_keyword() ); /* ne_cseg */
637 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cmod */
638 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cbnrestab */
639 output( "\t%s .L__wine_spec_ne_segtab-.L__wine_spec_ne_header\n", /* ne_segtab */
640 get_asm_short_keyword() );
641 output( "\t%s .L__wine_spec_ne_rsrctab-.L__wine_spec_ne_header\n", /* ne_rsrctab */
642 get_asm_short_keyword() );
643 output( "\t%s .L__wine_spec_ne_restab-.L__wine_spec_ne_header\n", /* ne_restab */
644 get_asm_short_keyword() );
645 output( "\t%s .L__wine_spec_ne_modtab-.L__wine_spec_ne_header\n", /* ne_modtab */
646 get_asm_short_keyword() );
647 output( "\t%s .L__wine_spec_ne_imptab-.L__wine_spec_ne_header\n", /* ne_imptab */
648 get_asm_short_keyword() );
649 output( "\t.long 0\n" ); /* ne_nrestab */
650 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cmovent */
651 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_align */
652 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_cres */
653 output( "\t.byte 0x%02x\n", NE_OSFLAGS_WINDOWS ); /* ne_exetyp */
654 output( "\t.byte 0x%02x\n", NE_AFLAGS_FASTLOAD ); /* ne_flagsothers */
655 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_pretthunks */
656 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_psegrefbytes */
657 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_swaparea */
658 output( "\t%s 0\n", get_asm_short_keyword() ); /* ne_expver */
662 output( "\n.L__wine_spec_ne_segtab:\n" );
664 /* code segment entry */
666 output( "\t%s .L__wine_spec_code_segment-%s\n", /* filepos */
667 get_asm_short_keyword(), header_name );
668 output( "\t%s .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n", /* size */
669 get_asm_short_keyword() );
670 output( "\t%s 0x%04x\n", get_asm_short_keyword(), NE_SEGFLAGS_32BIT ); /* flags */
671 output( "\t%s .L__wine_spec_code_segment_end-.L__wine_spec_code_segment\n", /* minsize */
672 get_asm_short_keyword() );
674 /* data segment entry */
676 output( "\t%s .L__wine_spec_data_segment-%s\n", /* filepos */
677 get_asm_short_keyword(), header_name );
678 output( "\t%s .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n", /* size */
679 get_asm_short_keyword() );
680 output( "\t%s 0x%04x\n", get_asm_short_keyword(), NE_SEGFLAGS_DATA ); /* flags */
681 output( "\t%s .L__wine_spec_data_segment_end-.L__wine_spec_data_segment\n", /* minsize */
682 get_asm_short_keyword() );
684 /* resource directory */
686 output_res16_directory( spec, header_name );
688 /* resident names table */
690 output( "\n\t.align %d\n", get_alignment(2) );
691 output( ".L__wine_spec_ne_restab:\n" );
692 output_resident_name( spec->dll_name, 0 );
693 for (i = 1; i <= spec->limit; i++)
695 ORDDEF *odp = spec->ordinals[i];
696 if (!odp || !odp->name[0]) continue;
697 output_resident_name( odp->name, i );
699 output( "\t.byte 0\n" );
701 /* imported names table */
703 output( "\n\t.align %d\n", get_alignment(2) );
704 output( ".L__wine_spec_ne_modtab:\n" );
705 output( ".L__wine_spec_ne_imptab:\n" );
706 output( "\t.byte 0,0\n" );
710 output( "\n.L__wine_spec_ne_enttab:\n" );
711 output_entry_table( spec );
712 output( ".L__wine_spec_ne_enttab_end:\n" );
716 output( "\n\t.align %d\n", get_alignment(2) );
717 output( ".L__wine_spec_code_segment:\n" );
719 for ( i = 0; i < nb_funcs; i++ )
721 unsigned int arg_types[2];
722 int nop_words, argsize = 0;
724 if ( typelist[i]->type == TYPE_PASCAL )
725 argsize = get_function_argsize( typelist[i] );
727 /* build the arg types bit fields */
728 arg_types[0] = arg_types[1] = 0;
729 for (j = 0; typelist[i]->u.func.arg_types[j]; j++)
732 switch(typelist[i]->u.func.arg_types[j])
734 case 'w': type = ARG_WORD; break;
735 case 's': type = ARG_SWORD; break;
736 case 'l': type = ARG_LONG; break;
737 case 'p': type = ARG_PTR; break;
738 case 't': type = ARG_STR; break;
739 case 'T': type = ARG_SEGSTR; break;
741 arg_types[j / 10] |= type << (3 * (j % 10));
743 if (typelist[i]->type == TYPE_VARARGS) arg_types[j / 10] |= ARG_VARARG << (3 * (j % 10));
745 output( ".L__wine_spec_callfrom16_%s:\n", get_callfrom16_name(typelist[i]) );
746 output( "\tpushl $.L__wine_spec_call16_%s\n", get_relay_name(typelist[i]) );
747 output( "\tlcall $0,$0\n" );
749 if (typelist[i]->flags & FLAG_REGISTER)
753 else if (typelist[i]->flags & FLAG_RET16)
755 output( "\torw %%ax,%%ax\n" );
756 output( "\tnop\n" ); /* so that the lretw is aligned */
761 output( "\tshld $16,%%eax,%%edx\n" );
762 output( "\torl %%eax,%%eax\n" );
768 output( "\tlretw $%u\n", argsize );
771 else output( "\tlretw\n" );
773 if (nop_words) output( "\t%s\n", nop_sequence[nop_words-1] );
775 /* the movl is here so that the code contains only valid instructions, */
776 /* it's never actually executed, we only care about the arg_types[] values */
777 output( "\t%s 0x86c7\n", get_asm_short_keyword() );
778 output( "\t.long 0x%08x,0x%08x\n", arg_types[0], arg_types[1] );
781 for (i = 0; i <= spec->limit; i++)
783 ORDDEF *odp = spec->ordinals[i];
784 if (!odp || !is_function( odp )) continue;
785 output( ".L__wine_%s_%u:\n", make_c_identifier(spec->dll_name), i );
786 output( "\tpushw %%bp\n" );
787 output( "\tpushl $%s\n",
788 asm_name( odp->type == TYPE_STUB ? get_stub_name( odp, spec ) : odp->link_name ));
789 output( "\tcallw .L__wine_spec_callfrom16_%s\n", get_callfrom16_name( odp ) );
791 output( ".L__wine_spec_code_segment_end:\n" );
795 output( "\n.L__wine_spec_data_segment:\n" );
796 output( "\t.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0\n" ); /* instance data */
797 for (i = 0; i <= spec->limit; i++)
799 ORDDEF *odp = spec->ordinals[i];
800 if (!odp || odp->type != TYPE_VARIABLE) continue;
801 output( ".L__wine_%s_%u:\n", make_c_identifier(spec->dll_name), i );
802 output( "\t.long " );
803 for (j = 0; j < odp->u.var.n_values-1; j++)
804 output( "0x%08x,", odp->u.var.values[j] );
805 output( "0x%08x\n", odp->u.var.values[j] );
807 output( ".L__wine_spec_data_segment_end:\n" );
811 if (spec->nb_resources)
813 output( "\n.L__wine_spec_resource_data:\n" );
814 output_res16_data( spec );
817 output( "\t.byte 0\n" ); /* make sure the last symbol points to something */
819 /* relay functions */
821 nb_funcs = sort_func_list( typelist, nb_funcs, relay_type_compare );
824 output( "\n/* relay functions */\n\n" );
825 output( "\t.text\n" );
826 for ( i = 0; i < nb_funcs; i++ ) output_call16_function( typelist[i] );
827 output( "\t.data\n" );
828 output( "wine_ldt_copy_ptr:\n" );
829 output( "\t.long %s\n", asm_name("wine_ldt_copy") );
832 output( "\n\t%s\n", get_asm_string_section() );
833 output( ".L__wine_spec_file_name:\n" );
834 output( "\t%s \"%s\"\n", get_asm_string_keyword(), spec->file_name );
836 output_stubs( spec );
837 output_get_pc_thunk();
838 output_init_code( spec, header_name );
839 output_gnu_stack_note();