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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
31 #ifdef HAVE_SYS_STAT_H
32 # include <sys/stat.h>
42 DLLSPEC *spec; /* description of the imported dll */
43 char *full_name; /* full name of the input file */
44 dev_t dev; /* device/inode of the input file */
46 int delay; /* delay or not dll loading ? */
47 ORDDEF **exports; /* functions exported from this dll */
48 int nb_exports; /* number of exported functions */
49 ORDDEF **imports; /* functions we want to import from this dll */
50 int nb_imports; /* number of imported functions */
56 unsigned int count, size;
59 static struct name_table undef_symbols; /* list of undefined symbols */
60 static struct name_table ignore_symbols; /* list of symbols to ignore */
61 static struct name_table extra_ld_symbols; /* list of extra symbols that ld should resolve */
62 static struct name_table delayed_imports; /* list of delayed import dlls */
63 static struct name_table ext_link_imports; /* list of external symbols to link to */
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 */
72 static inline const char *ppc_reg( int reg )
74 static const char * const ppc_regs[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
75 "r8", "r9", "r10","r11","r12","r13","r14","r15",
76 "r16","r17","r18","r19","r20","r21","r22","r23",
77 "r24","r25","r26","r27","r28","r29","r30","r31" };
78 if (target_platform == PLATFORM_APPLE) return ppc_regs[reg];
79 return ppc_regs[reg] + 1; /* skip the 'r' */
82 /* compare function names; helper for resolve_imports */
83 static int name_cmp( const void *name, const void *entry )
85 return strcmp( *(const char* const *)name, *(const char* const *)entry );
88 /* compare function names; helper for resolve_imports */
89 static int func_cmp( const void *func1, const void *func2 )
91 const ORDDEF *odp1 = *(const ORDDEF * const *)func1;
92 const ORDDEF *odp2 = *(const ORDDEF * const *)func2;
93 return strcmp( odp1->name ? odp1->name : odp1->export_name,
94 odp2->name ? odp2->name : odp2->export_name );
97 /* add a name to a name table */
98 static inline void add_name( struct name_table *table, const char *name )
100 if (table->count == table->size)
102 table->size += (table->size / 2);
103 if (table->size < 32) table->size = 32;
104 table->names = xrealloc( table->names, table->size * sizeof(*table->names) );
106 table->names[table->count++] = xstrdup( name );
109 /* remove a name from a name table */
110 static inline void remove_name( struct name_table *table, unsigned int idx )
112 assert( idx < table->count );
113 free( table->names[idx] );
114 memmove( table->names + idx, table->names + idx + 1,
115 (table->count - idx - 1) * sizeof(*table->names) );
119 /* make a name table empty */
120 static inline void empty_name_table( struct name_table *table )
124 for (i = 0; i < table->count; i++) free( table->names[i] );
128 /* locate a name in a (sorted) list */
129 static inline const char *find_name( const char *name, const struct name_table *table )
133 if (table->count) res = bsearch( &name, table->names, table->count, sizeof(*table->names), name_cmp );
134 return res ? *res : NULL;
137 /* sort a name table */
138 static inline void sort_names( struct name_table *table )
140 if (table->count) qsort( table->names, table->count, sizeof(*table->names), name_cmp );
143 /* locate an export in a (sorted) export list */
144 static inline ORDDEF *find_export( const char *name, ORDDEF **table, int size )
146 ORDDEF func, *odp, **res = NULL;
148 func.name = xstrdup(name);
151 if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp );
153 return res ? *res : NULL;
156 /* free an import structure */
157 static void free_imports( struct import *imp )
159 free( imp->exports );
160 free( imp->imports );
161 free_dll_spec( imp->spec );
162 free( imp->full_name );
166 /* check whether a given dll is imported in delayed mode */
167 static int is_delayed_import( const char *name )
171 for (i = 0; i < delayed_imports.count; i++)
173 if (!strcmp( delayed_imports.names[i], name )) return 1;
178 /* check whether a given dll has already been imported */
179 static struct import *is_already_imported( const char *name )
183 for (i = 0; i < nb_imports; i++)
185 if (!strcmp( dll_imports[i]->spec->file_name, name )) return dll_imports[i];
190 /* open the .so library for a given dll in a specified path */
191 static char *try_library_path( const char *path, const char *name )
196 buffer = strmake( "%s/lib%s.def", path, name );
198 /* check if the file exists */
199 if ((fd = open( buffer, O_RDONLY )) != -1)
208 /* find the .def import library for a given dll */
209 static char *find_library( const char *name )
214 for (i = 0; i < nb_lib_paths; i++)
216 if ((fullname = try_library_path( lib_path[i], name ))) return fullname;
218 fatal_error( "could not open .def file for %s\n", name );
222 /* read in the list of exported symbols of an import library */
223 static int read_import_lib( struct import *imp )
228 struct import *prev_imp;
229 DLLSPEC *spec = imp->spec;
231 f = open_input_file( NULL, imp->full_name );
232 fstat( fileno(f), &stat );
233 imp->dev = stat.st_dev;
234 imp->ino = stat.st_ino;
235 ret = parse_def_file( f, spec );
236 close_input_file( f );
239 /* check if we already imported that library from a different file */
240 if ((prev_imp = is_already_imported( spec->file_name )))
242 if (prev_imp->dev != imp->dev || prev_imp->ino != imp->ino)
243 fatal_error( "%s and %s have the same export name '%s'\n",
244 prev_imp->full_name, imp->full_name, spec->file_name );
245 return 0; /* the same file was already loaded, ignore this one */
248 if (is_delayed_import( spec->file_name ))
254 if (spec->nb_entry_points)
256 imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) );
257 for (i = 0; i < spec->nb_entry_points; i++)
258 imp->exports[imp->nb_exports++] = &spec->entry_points[i];
259 qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
264 /* build the dll exported name from the import lib name or path */
265 static char *get_dll_name( const char *name, const char *filename )
271 const char *basename = strrchr( filename, '/' );
272 if (!basename) basename = filename;
274 if (!strncmp( basename, "lib", 3 )) basename += 3;
275 ret = xmalloc( strlen(basename) + 5 );
276 strcpy( ret, basename );
277 if (strendswith( ret, ".def" )) ret[strlen(ret)-4] = 0;
281 ret = xmalloc( strlen(name) + 5 );
284 if (!strchr( ret, '.' )) strcat( ret, ".dll" );
288 /* add a dll to the list of imports */
289 void add_import_dll( const char *name, const char *filename )
291 struct import *imp = xmalloc( sizeof(*imp) );
293 imp->spec = alloc_dll_spec();
294 imp->spec->file_name = get_dll_name( name, filename );
301 if (filename) imp->full_name = xstrdup( filename );
302 else imp->full_name = find_library( name );
304 if (read_import_lib( imp ))
306 dll_imports = xrealloc( dll_imports, (nb_imports+1) * sizeof(*dll_imports) );
307 dll_imports[nb_imports++] = imp;
312 if (nb_errors) exit(1);
316 /* add a library to the list of delayed imports */
317 void add_delayed_import( const char *name )
320 char *fullname = get_dll_name( name, NULL );
322 add_name( &delayed_imports, fullname );
323 if ((imp = is_already_imported( fullname )) && !imp->delay)
331 /* remove an imported dll, based on its index in the dll_imports array */
332 static void remove_import_dll( int index )
334 struct import *imp = dll_imports[index];
336 memmove( &dll_imports[index], &dll_imports[index+1], sizeof(imp) * (nb_imports - index - 1) );
338 if (imp->delay) nb_delayed--;
342 /* add a symbol to the ignored symbol list */
343 /* if the name starts with '-' the symbol is removed instead */
344 void add_ignore_symbol( const char *name )
348 if (name[0] == '-') /* remove it */
350 if (!name[1]) empty_name_table( &ignore_symbols ); /* remove everything */
351 else for (i = 0; i < ignore_symbols.count; i++)
353 if (!strcmp( ignore_symbols.names[i], name+1 )) remove_name( &ignore_symbols, i-- );
356 else add_name( &ignore_symbols, name );
359 /* add a symbol to the list of extra symbols that ld must resolve */
360 void add_extra_ld_symbol( const char *name )
362 add_name( &extra_ld_symbols, name );
365 /* add a function to the list of imports from a given dll */
366 static void add_import_func( struct import *imp, ORDDEF *func )
368 imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) );
369 imp->imports[imp->nb_imports++] = func;
371 if (imp->delay) total_delayed++;
374 /* get the default entry point for a given spec file */
375 static const char *get_default_entry_point( const DLLSPEC *spec )
377 if (spec->characteristics & IMAGE_FILE_DLL) return "__wine_spec_dll_entry";
378 if (spec->subsystem == IMAGE_SUBSYSTEM_NATIVE) return "__wine_spec_drv_entry";
379 if (spec->type == SPEC_WIN16) return "__wine_spec_exe16_entry";
380 return "__wine_spec_exe_entry";
383 /* check if the spec file exports any stubs */
384 static int has_stubs( const DLLSPEC *spec )
387 for (i = 0; i < spec->nb_entry_points; i++)
389 ORDDEF *odp = &spec->entry_points[i];
390 if (odp->type == TYPE_STUB) return 1;
395 /* add the extra undefined symbols that will be contained in the generated spec file itself */
396 static void add_extra_undef_symbols( DLLSPEC *spec )
398 if (!spec->init_func) spec->init_func = xstrdup( get_default_entry_point(spec) );
399 add_extra_ld_symbol( spec->init_func );
400 if (has_stubs( spec )) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" );
401 if (nb_delayed) add_extra_ld_symbol( "__wine_spec_delay_load" );
404 /* check if a given imported dll is not needed, taking forwards into account */
405 static int check_unused( const struct import* imp, const DLLSPEC *spec )
408 const char *file_name = imp->spec->file_name;
409 size_t len = strlen( file_name );
410 const char *p = strchr( file_name, '.' );
411 if (p && !strcasecmp( p, ".dll" )) len = p - file_name;
413 for (i = spec->base; i <= spec->limit; i++)
415 ORDDEF *odp = spec->ordinals[i];
416 if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
417 if (!strncasecmp( odp->link_name, file_name, len ) &&
418 odp->link_name[len] == '.')
419 return 0; /* found a forward, it is used */
424 /* check if a given forward does exist in one of the imported dlls */
425 static void check_undefined_forwards( DLLSPEC *spec )
427 char *link_name, *api_name, *dll_name, *p;
430 for (i = 0; i < spec->nb_entry_points; i++)
432 ORDDEF *odp = &spec->entry_points[i];
434 if (!(odp->flags & FLAG_FORWARD)) continue;
436 link_name = xstrdup( odp->link_name );
437 p = strrchr( link_name, '.' );
440 dll_name = get_dll_name( link_name, NULL );
442 for (j = 0; j < nb_imports; j++)
444 struct import *imp = dll_imports[j];
446 if (strcasecmp( imp->spec->file_name, dll_name )) continue;
447 if (!find_export( api_name, imp->exports, imp->nb_exports ))
448 warning( "%s:%d: forward '%s' not found in %s\n",
449 spec->src_name, odp->lineno, odp->link_name, imp->spec->file_name );
453 warning( "%s:%d: forward '%s' not found in the imported dll list\n",
454 spec->src_name, odp->lineno, odp->link_name );
460 /* flag the dll exports that link to an undefined symbol */
461 static void check_undefined_exports( DLLSPEC *spec )
465 for (i = 0; i < spec->nb_entry_points; i++)
467 ORDDEF *odp = &spec->entry_points[i];
468 if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
469 if (odp->flags & FLAG_FORWARD) continue;
470 if (find_name( odp->link_name, &undef_symbols ))
478 if (link_ext_symbols)
480 odp->flags |= FLAG_EXT_LINK;
481 add_name( &ext_link_imports, odp->link_name );
483 else error( "%s:%d: function '%s' not defined\n",
484 spec->src_name, odp->lineno, odp->link_name );
487 error( "%s:%d: external symbol '%s' is not a function\n",
488 spec->src_name, odp->lineno, odp->link_name );
495 /* create a .o file that references all the undefined symbols we want to resolve */
496 static char *create_undef_symbols_file( DLLSPEC *spec )
498 char *as_file, *obj_file;
503 as_file = get_temp_file_name( output_file_name, ".s" );
504 if (!(f = fopen( as_file, "w" ))) fatal_error( "Cannot create %s\n", as_file );
505 fprintf( f, "\t.data\n" );
507 for (i = 0; i < spec->nb_entry_points; i++)
509 ORDDEF *odp = &spec->entry_points[i];
510 if (odp->type == TYPE_STUB || odp->type == TYPE_ABS || odp->type == TYPE_VARIABLE) continue;
511 if (odp->flags & FLAG_FORWARD) continue;
512 fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
514 for (j = 0; j < extra_ld_symbols.count; j++)
515 fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols.names[j]) );
518 obj_file = get_temp_file_name( output_file_name, ".o" );
519 assemble_file( as_file, obj_file );
523 /* combine a list of object files with ld into a single object file */
524 /* returns the name of the combined file */
525 static const char *ldcombine_files( DLLSPEC *spec, char **argv )
527 char *ld_tmp_file, *undef_file;
528 struct strarray *args = get_ld_command();
530 undef_file = create_undef_symbols_file( spec );
531 ld_tmp_file = get_temp_file_name( output_file_name, ".o" );
533 strarray_add( args, "-r", "-o", ld_tmp_file, undef_file, NULL );
534 strarray_addv( args, argv );
536 strarray_free( args );
540 /* read in the list of undefined symbols */
541 void read_undef_symbols( DLLSPEC *spec, char **argv )
545 const char *prog = get_nm_command();
546 char *cmd, buffer[1024], name_prefix[16];
550 if (!argv[0]) return;
552 add_extra_undef_symbols( spec );
554 strcpy( name_prefix, asm_name("") );
555 prefix_len = strlen( name_prefix );
557 name = ldcombine_files( spec, argv );
559 cmd = strmake( "%s -u %s", prog, name );
560 if (!(f = popen( cmd, "r" )))
561 fatal_error( "Cannot execute '%s'\n", cmd );
563 while (fgets( buffer, sizeof(buffer), f ))
565 char *p = buffer + strlen(buffer) - 1;
566 if (p < buffer) continue;
567 if (*p == '\n') *p-- = 0;
569 while (*p == ' ') p++;
570 if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
571 if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
572 add_name( &undef_symbols, p );
574 if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err );
578 /* resolve the imports for a Win32 module */
579 void resolve_imports( DLLSPEC *spec )
582 unsigned int j, removed;
585 sort_names( &ignore_symbols );
586 check_undefined_forwards( spec );
588 for (i = 0; i < nb_imports; i++)
590 struct import *imp = dll_imports[i];
592 for (j = removed = 0; j < undef_symbols.count; j++)
594 if (find_name( undef_symbols.names[j], &ignore_symbols )) continue;
595 odp = find_export( undef_symbols.names[j], imp->exports, imp->nb_exports );
598 if (odp->flags & FLAG_PRIVATE) continue;
599 if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL)
600 warning( "winebuild: Data export '%s' cannot be imported from %s\n",
601 odp->link_name, imp->spec->file_name );
604 add_import_func( imp, odp );
605 remove_name( &undef_symbols, j-- );
612 /* the dll is not used, get rid of it */
613 if (check_unused( imp, spec ))
614 warning( "winebuild: %s imported but no symbols used\n", imp->spec->file_name );
615 remove_import_dll( i );
620 sort_names( &undef_symbols );
621 check_undefined_exports( spec );
624 /* check if symbol is still undefined */
625 int is_undefined( const char *name )
627 return find_name( name, &undef_symbols ) != NULL;
630 /* output the get_pc thunk if needed */
631 void output_get_pc_thunk(void)
633 if (target_cpu != CPU_x86) return;
635 output( "\n\t.text\n" );
636 output( "\t.align %d\n", get_alignment(4) );
637 output( "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") );
638 output( "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") );
639 output_cfi( ".cfi_startproc" );
640 output( "\tmovl (%%esp),%%eax\n" );
642 output_cfi( ".cfi_endproc" );
643 output_function_size( "__wine_spec_get_pc_thunk_eax" );
646 /* output a single import thunk */
647 static void output_import_thunk( const char *name, const char *table, int pos )
649 output( "\n\t.align %d\n", get_alignment(4) );
650 output( "\t%s\n", func_declaration(name) );
651 output( "%s\n", asm_globl(name) );
652 output_cfi( ".cfi_startproc" );
659 output( "\tjmp *(%s+%d)\n", table, pos );
663 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
664 output( "1:\tjmp *%s+%d-1b(%%eax)\n", table, pos );
668 output( "\tjmpq *%s+%d(%%rip)\n", table, pos );
673 output( "\tsethi %%hi(%s+%d), %%g1\n", table, pos );
674 output( "\tld [%%g1+%%lo(%s+%d)], %%g1\n", table, pos );
675 output( "\tjmp %%g1\n" );
680 /* Hmpf. Stupid sparc assembler always interprets global variable
681 names as GOT offsets, so we have to do it the long way ... */
682 output( "\tsave %%sp, -96, %%sp\n" );
683 output( "0:\tcall 1f\n" );
685 output( "1:\tsethi %%hi(%s+%d-0b), %%g1\n", table, pos );
686 output( "\tor %%g1, %%lo(%s+%d-0b), %%g1\n", table, pos );
687 output( "\tld [%%g1+%%o7], %%g1\n" );
688 output( "\tjmp %%g1\n" );
689 output( "\trestore\n" );
693 output( "\tlda $0,%s\n", table );
694 output( "\tlda $0,%d($0)\n", pos );
695 output( "\tjmp $31,($0)\n" );
698 output( "\tmov r4, #%s\n", table );
699 output( "\tldr r15, [r4, #%d]\n", pos );
702 output( "\tmr %s, %s\n", ppc_reg(0), ppc_reg(31) );
703 if (target_platform == PLATFORM_APPLE)
705 output( "\tlis %s, ha16(%s+%d+32768)\n", ppc_reg(31), table, pos );
706 output( "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
710 output( "\tlis %s, (%s+%d+32768)@h\n", ppc_reg(31), table, pos );
711 output( "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(31), table, pos, ppc_reg(31) );
713 output( "\tlwz %s, 0(%s)\n", ppc_reg(31), ppc_reg(31) );
714 output( "\tmtctr %s\n", ppc_reg(31) );
715 output( "\tmr %s, %s\n", ppc_reg(31), ppc_reg(0) );
716 output( "\tbctr\n" );
719 output_cfi( ".cfi_endproc" );
720 output_function_size( name );
723 /* check if we need an import directory */
724 int has_imports(void)
726 return (nb_imports - nb_delayed) > 0;
729 /* output the import table of a Win32 module */
730 static void output_immediate_imports(void)
733 const char *dll_name;
735 if (nb_imports == nb_delayed) return; /* no immediate imports */
737 /* main import header */
739 output( "\n/* import table */\n" );
740 output( "\n\t.data\n" );
741 output( "\t.align %d\n", get_alignment(4) );
742 output( ".L__wine_spec_imports:\n" );
746 for (i = j = 0; i < nb_imports; i++)
748 if (dll_imports[i]->delay) continue;
749 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
750 output( "\t.long .L__wine_spec_import_data_names+%d-.L__wine_spec_rva_base\n", /* OriginalFirstThunk */
751 j * get_ptr_size() );
752 output( "\t.long 0\n" ); /* TimeDateStamp */
753 output( "\t.long 0\n" ); /* ForwarderChain */
754 output( "\t.long .L__wine_spec_import_name_%s-.L__wine_spec_rva_base\n", /* Name */
756 output( "\t.long .L__wine_spec_import_data_ptrs+%d-.L__wine_spec_rva_base\n", /* FirstThunk */
757 j * get_ptr_size() );
758 j += dll_imports[i]->nb_imports + 1;
760 output( "\t.long 0\n" ); /* OriginalFirstThunk */
761 output( "\t.long 0\n" ); /* TimeDateStamp */
762 output( "\t.long 0\n" ); /* ForwarderChain */
763 output( "\t.long 0\n" ); /* Name */
764 output( "\t.long 0\n" ); /* FirstThunk */
766 output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
767 output( ".L__wine_spec_import_data_names:\n" );
768 for (i = 0; i < nb_imports; i++)
770 if (dll_imports[i]->delay) continue;
771 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
772 for (j = 0; j < dll_imports[i]->nb_imports; j++)
774 ORDDEF *odp = dll_imports[i]->imports[j];
775 if (!(odp->flags & FLAG_NONAME))
776 output( "\t%s .L__wine_spec_import_data_%s_%s-.L__wine_spec_rva_base\n",
777 get_asm_ptr_keyword(), dll_name, odp->name );
780 if (get_ptr_size() == 8)
781 output( "\t.quad 0x800000000000%04x\n", odp->ordinal );
783 output( "\t.long 0x8000%04x\n", odp->ordinal );
786 output( "\t%s 0\n", get_asm_ptr_keyword() );
788 output( ".L__wine_spec_import_data_ptrs:\n" );
789 for (i = 0; i < nb_imports; i++)
791 if (dll_imports[i]->delay) continue;
792 for (j = 0; j < dll_imports[i]->nb_imports; j++) output( "\t%s 0\n", get_asm_ptr_keyword() );
793 output( "\t%s 0\n", get_asm_ptr_keyword() );
795 output( ".L__wine_spec_imports_end:\n" );
797 for (i = 0; i < nb_imports; i++)
799 if (dll_imports[i]->delay) continue;
800 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
801 for (j = 0; j < dll_imports[i]->nb_imports; j++)
803 ORDDEF *odp = dll_imports[i]->imports[j];
804 if (!(odp->flags & FLAG_NONAME))
806 output( "\t.align %d\n", get_alignment(2) );
807 output( ".L__wine_spec_import_data_%s_%s:\n", dll_name, odp->name );
808 output( "\t%s %d\n", get_asm_short_keyword(), odp->ordinal );
809 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->name );
814 for (i = 0; i < nb_imports; i++)
816 if (dll_imports[i]->delay) continue;
817 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
818 output( ".L__wine_spec_import_name_%s:\n\t%s \"%s\"\n",
819 dll_name, get_asm_string_keyword(), dll_imports[i]->spec->file_name );
823 /* output the import thunks of a Win32 module */
824 static void output_immediate_import_thunks(void)
827 int nb_imm = nb_imports - nb_delayed;
828 static const char import_thunks[] = "__wine_spec_import_thunks";
832 output( "\n/* immediate import thunks */\n\n" );
833 output( "\t.text\n" );
834 output( "\t.align %d\n", get_alignment(8) );
835 output( "%s:\n", asm_name(import_thunks));
837 for (i = pos = 0; i < nb_imports; i++)
839 if (dll_imports[i]->delay) continue;
840 for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += get_ptr_size())
842 ORDDEF *odp = dll_imports[i]->imports[j];
843 output_import_thunk( odp->name ? odp->name : odp->export_name,
844 ".L__wine_spec_import_data_ptrs", pos );
846 pos += get_ptr_size();
848 output_function_size( import_thunks );
851 /* output the delayed import table of a Win32 module */
852 static void output_delayed_imports( const DLLSPEC *spec )
856 if (!nb_delayed) return;
858 output( "\n/* delayed imports */\n\n" );
859 output( "\t.data\n" );
860 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
861 output( "%s\n", asm_globl("__wine_spec_delay_imports") );
865 for (i = j = mod = 0; i < nb_imports; i++)
867 if (!dll_imports[i]->delay) continue;
868 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
869 output( "\t%s .L__wine_delay_name_%d\n", /* szName */
870 get_asm_ptr_keyword(), i );
871 output( "\t%s .L__wine_delay_modules+%d\n", /* phmod */
872 get_asm_ptr_keyword(), mod * get_ptr_size() );
873 output( "\t%s .L__wine_delay_IAT+%d\n", /* pIAT */
874 get_asm_ptr_keyword(), j * get_ptr_size() );
875 output( "\t%s .L__wine_delay_INT+%d\n", /* pINT */
876 get_asm_ptr_keyword(), j * get_ptr_size() );
877 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
878 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
879 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
880 j += dll_imports[i]->nb_imports;
883 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
884 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* szName */
885 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* phmod */
886 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pIAT */
887 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pINT */
888 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
889 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
890 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
892 output( "\n.L__wine_delay_IAT:\n" );
893 for (i = 0; i < nb_imports; i++)
895 if (!dll_imports[i]->delay) continue;
896 for (j = 0; j < dll_imports[i]->nb_imports; j++)
898 ORDDEF *odp = dll_imports[i]->imports[j];
899 const char *name = odp->name ? odp->name : odp->export_name;
900 output( "\t%s .L__wine_delay_imp_%d_%s\n",
901 get_asm_ptr_keyword(), i, name );
905 output( "\n.L__wine_delay_INT:\n" );
906 for (i = 0; i < nb_imports; i++)
908 if (!dll_imports[i]->delay) continue;
909 for (j = 0; j < dll_imports[i]->nb_imports; j++)
911 ORDDEF *odp = dll_imports[i]->imports[j];
913 output( "\t%s %d\n", get_asm_ptr_keyword(), odp->ordinal );
915 output( "\t%s .L__wine_delay_data_%d_%s\n",
916 get_asm_ptr_keyword(), i, odp->name );
920 output( "\n.L__wine_delay_modules:\n" );
921 for (i = 0; i < nb_imports; i++)
923 if (dll_imports[i]->delay) output( "\t%s 0\n", get_asm_ptr_keyword() );
926 for (i = 0; i < nb_imports; i++)
928 if (!dll_imports[i]->delay) continue;
929 output( ".L__wine_delay_name_%d:\n", i );
930 output( "\t%s \"%s\"\n",
931 get_asm_string_keyword(), dll_imports[i]->spec->file_name );
934 for (i = 0; i < nb_imports; i++)
936 if (!dll_imports[i]->delay) continue;
937 for (j = 0; j < dll_imports[i]->nb_imports; j++)
939 ORDDEF *odp = dll_imports[i]->imports[j];
940 if (!odp->name) continue;
941 output( ".L__wine_delay_data_%d_%s:\n", i, odp->name );
942 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp->name );
945 output_function_size( "__wine_spec_delay_imports" );
948 /* output the delayed import thunks of a Win32 module */
949 static void output_delayed_import_thunks( const DLLSPEC *spec )
951 int i, idx, j, pos, extra_stack_storage = 0;
952 static const char delayed_import_loaders[] = "__wine_spec_delayed_import_loaders";
953 static const char delayed_import_thunks[] = "__wine_spec_delayed_import_thunks";
955 if (!nb_delayed) return;
957 output( "\n/* delayed import thunks */\n\n" );
958 output( "\t.text\n" );
959 output( "\t.align %d\n", get_alignment(8) );
960 output( "%s:\n", asm_name(delayed_import_loaders));
961 output( "\t%s\n", func_declaration("__wine_delay_load_asm") );
962 output( "%s:\n", asm_name("__wine_delay_load_asm") );
963 output_cfi( ".cfi_startproc" );
967 output( "\tpushl %%ecx\n" );
968 output_cfi( ".cfi_adjust_cfa_offset 4" );
969 output( "\tpushl %%edx\n" );
970 output_cfi( ".cfi_adjust_cfa_offset 4" );
971 output( "\tpushl %%eax\n" );
972 output_cfi( ".cfi_adjust_cfa_offset 4" );
973 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
974 output_cfi( ".cfi_adjust_cfa_offset -4" );
975 output( "\tpopl %%edx\n" );
976 output_cfi( ".cfi_adjust_cfa_offset -4" );
977 output( "\tpopl %%ecx\n" );
978 output_cfi( ".cfi_adjust_cfa_offset -4" );
979 output( "\tjmp *%%eax\n" );
982 output( "\tsubq $88,%%rsp\n" );
983 output_cfi( ".cfi_adjust_cfa_offset 88" );
984 output( "\tmovq %%rdx,80(%%rsp)\n" );
985 output( "\tmovq %%rcx,72(%%rsp)\n" );
986 output( "\tmovq %%r8,64(%%rsp)\n" );
987 output( "\tmovq %%r9,56(%%rsp)\n" );
988 output( "\tmovq %%r10,48(%%rsp)\n" );
989 output( "\tmovq %%r11,40(%%rsp)\n" );
990 output( "\tmovq %%rax,%%rcx\n" );
991 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
992 output( "\tmovq 40(%%rsp),%%r11\n" );
993 output( "\tmovq 48(%%rsp),%%r10\n" );
994 output( "\tmovq 56(%%rsp),%%r9\n" );
995 output( "\tmovq 64(%%rsp),%%r8\n" );
996 output( "\tmovq 72(%%rsp),%%rcx\n" );
997 output( "\tmovq 80(%%rsp),%%rdx\n" );
998 output( "\taddq $88,%%rsp\n" );
999 output_cfi( ".cfi_adjust_cfa_offset -88" );
1000 output( "\tjmp *%%rax\n" );
1003 output( "\tsave %%sp, -96, %%sp\n" );
1004 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
1005 output( "\tmov %%g1, %%o0\n" );
1006 output( "\tjmp %%o0\n" );
1007 output( "\trestore\n" );
1010 output( "\tjsr $26,%s\n", asm_name("__wine_spec_delay_load") );
1011 output( "\tjmp $31,($0)\n" );
1014 output( "\tstmfd sp!, {r4, r5, r6, r7, r8, r9, r10, lr}\n" );
1015 output( "\tblx %s\n", asm_name("__wine_spec_delay_load") );
1016 output( "\tldmfd sp!, {r4, r5, r6, r7, r8, r9, r10, pc}\n" );
1019 if (target_platform == PLATFORM_APPLE) extra_stack_storage = 56;
1021 /* Save all callee saved registers into a stackframe. */
1022 output( "\tstwu %s, -%d(%s)\n",ppc_reg(1), 48+extra_stack_storage, ppc_reg(1));
1023 output( "\tstw %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1));
1024 output( "\tstw %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1));
1025 output( "\tstw %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1));
1026 output( "\tstw %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1));
1027 output( "\tstw %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1));
1028 output( "\tstw %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1));
1029 output( "\tstw %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1));
1030 output( "\tstw %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1));
1031 output( "\tstw %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1));
1032 output( "\tstw %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1));
1034 /* r0 -> r3 (arg1) */
1035 output( "\tmr %s, %s\n", ppc_reg(3), ppc_reg(0));
1037 /* save return address */
1038 output( "\tmflr %s\n", ppc_reg(0));
1039 output( "\tstw %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1));
1041 /* Call the __wine_delay_load function, arg1 is arg1. */
1042 output( "\tbl %s\n", asm_name("__wine_spec_delay_load") );
1044 /* Load return value from call into ctr register */
1045 output( "\tmtctr %s\n", ppc_reg(3));
1047 /* restore all saved registers and drop stackframe. */
1048 output( "\tlwz %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1));
1049 output( "\tlwz %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1));
1050 output( "\tlwz %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1));
1051 output( "\tlwz %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1));
1052 output( "\tlwz %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1));
1053 output( "\tlwz %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1));
1054 output( "\tlwz %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1));
1055 output( "\tlwz %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1));
1056 output( "\tlwz %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1));
1057 output( "\tlwz %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1));
1059 /* Load return value from call into return register */
1060 output( "\tlwz %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1));
1061 output( "\tmtlr %s\n", ppc_reg(0));
1062 output( "\taddi %s, %s, %d\n", ppc_reg(1), ppc_reg(1), 48+extra_stack_storage);
1064 /* branch to ctr register. */
1065 output( "\tbctr\n");
1068 output_cfi( ".cfi_endproc" );
1069 output_function_size( "__wine_delay_load_asm" );
1072 for (i = idx = 0; i < nb_imports; i++)
1074 if (!dll_imports[i]->delay) continue;
1075 for (j = 0; j < dll_imports[i]->nb_imports; j++)
1077 ORDDEF *odp = dll_imports[i]->imports[j];
1078 const char *name = odp->name ? odp->name : odp->export_name;
1080 output( ".L__wine_delay_imp_%d_%s:\n", i, name );
1081 output_cfi( ".cfi_startproc" );
1085 output( "\tmovl $%d, %%eax\n", (idx << 16) | j );
1086 output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1089 output( "\tmovq $%d,%%rax\n", (idx << 16) | j );
1090 output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1093 output( "\tset %d, %%g1\n", (idx << 16) | j );
1094 output( "\tb,a %s\n", asm_name("__wine_delay_load_asm") );
1097 output( "\tlda $0,%d($31)\n", j);
1098 output( "\tldah $0,%d($0)\n", idx);
1099 output( "\tjmp $31,%s\n", asm_name("__wine_delay_load_asm") );
1102 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1105 switch(target_platform)
1107 case PLATFORM_APPLE:
1108 /* On Darwin we can use r0 and r2 */
1109 /* Upper part in r2 */
1110 output( "\tlis %s, %d\n", ppc_reg(2), idx);
1111 /* Lower part + r2 -> r0, Note we can't use r0 directly */
1112 output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(2), j);
1113 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1116 /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
1117 /* Save r13 on the stack */
1118 output( "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1));
1119 output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1120 /* Upper part in r13 */
1121 output( "\tlis %s, %d\n", ppc_reg(13), idx);
1122 /* Lower part + r13 -> r0, Note we can't use r0 directly */
1123 output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(13), j);
1125 output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1126 output( "\taddic %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1));
1127 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1132 output_cfi( ".cfi_endproc" );
1136 output_function_size( delayed_import_loaders );
1138 output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
1139 output( "%s:\n", asm_name(delayed_import_thunks));
1140 for (i = pos = 0; i < nb_imports; i++)
1142 if (!dll_imports[i]->delay) continue;
1143 for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += get_ptr_size())
1145 ORDDEF *odp = dll_imports[i]->imports[j];
1146 output_import_thunk( odp->name ? odp->name : odp->export_name,
1147 ".L__wine_delay_IAT", pos );
1150 output_function_size( delayed_import_thunks );
1153 /* output import stubs for exported entry points that link to external symbols */
1154 static void output_external_link_imports( DLLSPEC *spec )
1156 unsigned int i, pos;
1158 if (!ext_link_imports.count) return; /* nothing to do */
1160 sort_names( &ext_link_imports );
1162 /* get rid of duplicate names */
1163 for (i = 1; i < ext_link_imports.count; i++)
1165 if (!strcmp( ext_link_imports.names[i-1], ext_link_imports.names[i] ))
1166 remove_name( &ext_link_imports, i-- );
1169 output( "\n/* external link thunks */\n\n" );
1170 output( "\t.data\n" );
1171 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
1172 output( ".L__wine_spec_external_links:\n" );
1173 for (i = 0; i < ext_link_imports.count; i++)
1174 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports.names[i]) );
1176 output( "\n\t.text\n" );
1177 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
1178 output( "%s:\n", asm_name("__wine_spec_external_link_thunks") );
1180 for (i = pos = 0; i < ext_link_imports.count; i++)
1182 char *buffer = strmake( "__wine_spec_ext_link_%s", ext_link_imports.names[i] );
1183 output_import_thunk( buffer, ".L__wine_spec_external_links", pos );
1185 pos += get_ptr_size();
1187 output_function_size( "__wine_spec_external_link_thunks" );
1190 /*******************************************************************
1193 * Output the functions for stub entry points
1195 void output_stubs( DLLSPEC *spec )
1197 const char *name, *exp_name;
1200 if (!has_stubs( spec )) return;
1202 output( "\n/* stub functions */\n\n" );
1203 output( "\t.text\n" );
1205 for (i = count = 0; i < spec->nb_entry_points; i++)
1207 ORDDEF *odp = &spec->entry_points[i];
1208 if (odp->type != TYPE_STUB) continue;
1210 name = get_stub_name( odp, spec );
1211 exp_name = odp->name ? odp->name : odp->export_name;
1212 output( "\t.align %d\n", get_alignment(4) );
1213 output( "\t%s\n", func_declaration(name) );
1214 output( "%s:\n", asm_name(name) );
1215 output_cfi( ".cfi_startproc" );
1220 /* flesh out the stub a bit to make safedisc happy */
1221 output(" \tnop\n" );
1222 output(" \tnop\n" );
1223 output(" \tnop\n" );
1224 output(" \tnop\n" );
1225 output(" \tnop\n" );
1226 output(" \tnop\n" );
1227 output(" \tnop\n" );
1228 output(" \tnop\n" );
1229 output(" \tnop\n" );
1231 output( "\tsubl $12,%%esp\n" );
1232 output_cfi( ".cfi_adjust_cfa_offset 12" );
1235 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
1239 output( "\tleal .L%s_string-1b(%%eax),%%ecx\n", name );
1240 output( "\tmovl %%ecx,4(%%esp)\n" );
1244 output( "\tmovl $%d,4(%%esp)\n", odp->ordinal );
1245 output( "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
1246 output( "\tmovl %%ecx,(%%esp)\n" );
1252 output( "\tmovl $.L%s_string,4(%%esp)\n", name );
1256 output( "\tmovl $%d,4(%%esp)\n", odp->ordinal );
1257 output( "\tmovl $.L__wine_spec_file_name,(%%esp)\n" );
1259 output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1262 output( "\tsubq $8,%%rsp\n" );
1263 output_cfi( ".cfi_adjust_cfa_offset 8" );
1264 output( "\tleaq .L__wine_spec_file_name(%%rip),%%rdi\n" );
1267 output( "leaq .L%s_string(%%rip),%%rsi\n", name );
1271 output( "\tmovq $%d,%%rsi\n", odp->ordinal );
1272 output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1277 output_cfi( ".cfi_endproc" );
1278 output_function_size( name );
1283 output( "\t%s\n", get_asm_string_section() );
1284 for (i = 0; i < spec->nb_entry_points; i++)
1286 ORDDEF *odp = &spec->entry_points[i];
1287 if (odp->type != TYPE_STUB) continue;
1288 exp_name = odp->name ? odp->name : odp->export_name;
1291 name = get_stub_name( odp, spec );
1292 output( ".L%s_string:\n", name );
1293 output( "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name );
1299 /* output the import and delayed import tables of a Win32 module */
1300 void output_imports( DLLSPEC *spec )
1302 output_immediate_imports();
1303 output_delayed_imports( spec );
1304 output_immediate_import_thunks();
1305 output_delayed_import_thunks( spec );
1306 output_external_link_imports( spec );
1307 if (nb_imports || ext_link_imports.count || has_stubs(spec) || has_relays(spec))
1308 output_get_pc_thunk();
1311 /* output an import library for a Win32 module and additional object files */
1312 void output_import_lib( DLLSPEC *spec, char **argv )
1314 struct strarray *args = strarray_init();
1317 if (target_platform != PLATFORM_WINDOWS)
1318 fatal_error( "Unix-style import libraries not supported yet\n" );
1320 def_file = get_temp_file_name( output_file_name, ".def" );
1321 fclose( output_file );
1322 if (!(output_file = fopen( def_file, "w" )))
1323 fatal_error( "Unable to create output file '%s'\n", def_file );
1324 output_def_file( spec, 0 );
1325 fclose( output_file );
1328 strarray_add( args, find_tool( "dlltool", NULL ), "-k", "-l", output_file_name, "-d", def_file, NULL );
1330 strarray_free( args );
1334 args = strarray_init();
1335 strarray_add( args, find_tool( "ar", NULL ), "rs", output_file_name, NULL );
1336 strarray_addv( args, argv );
1338 strarray_free( args );
1340 output_file_name = NULL;