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"
31 #ifdef HAVE_SYS_STAT_H
32 # include <sys/stat.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 */
58 unsigned int count, size;
61 static struct name_table undef_symbols; /* list of undefined symbols */
62 static struct name_table ignore_symbols; /* list of symbols to ignore */
63 static struct name_table extra_ld_symbols; /* list of extra symbols that ld should resolve */
64 static struct name_table delayed_imports; /* list of delayed import dlls */
65 static struct name_table ext_link_imports; /* list of external symbols to link to */
67 static struct import **dll_imports = NULL;
68 static int nb_imports = 0; /* number of imported dlls (delayed or not) */
69 static int nb_delayed = 0; /* number of delayed dlls */
70 static int total_imports = 0; /* total number of imported functions */
71 static int total_delayed = 0; /* total number of imported functions in delayed DLLs */
73 /* list of symbols that are ignored by default */
74 static const char * const default_ignored_symbols[] =
125 static inline const char *ppc_reg( int reg )
127 static const char * const ppc_regs[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
128 "r8", "r9", "r10","r11","r12","r13","r14","r15",
129 "r16","r17","r18","r19","r20","r21","r22","r23",
130 "r24","r25","r26","r27","r28","r29","r30","r31" };
131 if (target_platform == PLATFORM_APPLE) return ppc_regs[reg];
132 return ppc_regs[reg] + 1; /* skip the 'r' */
135 /* compare function names; helper for resolve_imports */
136 static int name_cmp( const void *name, const void *entry )
138 return strcmp( *(const char* const *)name, *(const char* const *)entry );
141 /* compare function names; helper for resolve_imports */
142 static int func_cmp( const void *func1, const void *func2 )
144 const ORDDEF *odp1 = *(const ORDDEF * const *)func1;
145 const ORDDEF *odp2 = *(const ORDDEF * const *)func2;
146 return strcmp( odp1->name ? odp1->name : odp1->export_name,
147 odp2->name ? odp2->name : odp2->export_name );
150 /* add a name to a name table */
151 inline static void add_name( struct name_table *table, const char *name )
153 if (table->count == table->size)
155 table->size += (table->size / 2);
156 if (table->size < 32) table->size = 32;
157 table->names = xrealloc( table->names, table->size * sizeof(*table->names) );
159 table->names[table->count++] = xstrdup( name );
162 /* remove a name from a name table */
163 inline static void remove_name( struct name_table *table, unsigned int idx )
165 assert( idx < table->count );
166 free( table->names[idx] );
167 memmove( table->names + idx, table->names + idx + 1,
168 (table->count - idx - 1) * sizeof(*table->names) );
172 /* make a name table empty */
173 inline static void empty_name_table( struct name_table *table )
177 for (i = 0; i < table->count; i++) free( table->names[i] );
181 /* locate a name in a (sorted) list */
182 inline static const char *find_name( const char *name, const struct name_table *table )
186 if (table->count) res = bsearch( &name, table->names, table->count, sizeof(*table->names), name_cmp );
187 return res ? *res : NULL;
190 /* sort a name table */
191 inline static void sort_names( struct name_table *table )
193 if (table->count) qsort( table->names, table->count, sizeof(*table->names), name_cmp );
196 /* locate an export in a (sorted) export list */
197 inline static ORDDEF *find_export( const char *name, ORDDEF **table, int size )
199 ORDDEF func, *odp, **res = NULL;
201 func.name = (char *)name;
204 if (table) res = bsearch( &odp, table, size, sizeof(*table), func_cmp );
205 return res ? *res : NULL;
208 /* free an import structure */
209 static void free_imports( struct import *imp )
211 free( imp->exports );
212 free( imp->imports );
213 free_dll_spec( imp->spec );
214 free( imp->full_name );
218 /* check whether a given dll is imported in delayed mode */
219 static int is_delayed_import( const char *name )
223 for (i = 0; i < delayed_imports.count; i++)
225 if (!strcmp( delayed_imports.names[i], name )) return 1;
230 /* check whether a given dll has already been imported */
231 static struct import *is_already_imported( const char *name )
235 for (i = 0; i < nb_imports; i++)
237 if (!strcmp( dll_imports[i]->spec->file_name, name )) return dll_imports[i];
242 /* open the .so library for a given dll in a specified path */
243 static char *try_library_path( const char *path, const char *name )
248 buffer = xmalloc( strlen(path) + strlen(name) + 9 );
249 sprintf( buffer, "%s/lib%s.def", path, name );
251 /* check if the file exists */
252 if ((fd = open( buffer, O_RDONLY )) != -1)
261 /* find the .def import library for a given dll */
262 static char *find_library( const char *name )
267 for (i = 0; i < nb_lib_paths; i++)
269 if ((fullname = try_library_path( lib_path[i], name ))) return fullname;
271 fatal_error( "could not open .def file for %s\n", name );
275 /* read in the list of exported symbols of an import library */
276 static int read_import_lib( struct import *imp )
281 struct import *prev_imp;
282 DLLSPEC *spec = imp->spec;
284 f = open_input_file( NULL, imp->full_name );
285 fstat( fileno(f), &stat );
286 imp->dev = stat.st_dev;
287 imp->ino = stat.st_ino;
288 ret = parse_def_file( f, spec );
289 close_input_file( f );
292 /* check if we already imported that library from a different file */
293 if ((prev_imp = is_already_imported( spec->file_name )))
295 if (prev_imp->dev != imp->dev || prev_imp->ino != imp->ino)
296 fatal_error( "%s and %s have the same export name '%s'\n",
297 prev_imp->full_name, imp->full_name, spec->file_name );
298 return 0; /* the same file was already loaded, ignore this one */
301 if (is_delayed_import( spec->file_name ))
307 imp->exports = xmalloc( spec->nb_entry_points * sizeof(*imp->exports) );
309 for (i = 0; i < spec->nb_entry_points; i++)
311 ORDDEF *odp = &spec->entry_points[i];
313 if (odp->type != TYPE_STDCALL && odp->type != TYPE_CDECL) continue;
314 if (odp->flags & FLAG_PRIVATE) continue;
315 imp->exports[imp->nb_exports++] = odp;
317 imp->exports = xrealloc( imp->exports, imp->nb_exports * sizeof(*imp->exports) );
319 qsort( imp->exports, imp->nb_exports, sizeof(*imp->exports), func_cmp );
323 /* build the dll exported name from the import lib name or path */
324 static char *get_dll_name( const char *name, const char *filename )
330 const char *basename = strrchr( filename, '/' );
331 if (!basename) basename = filename;
333 if (!strncmp( basename, "lib", 3 )) basename += 3;
334 ret = xmalloc( strlen(basename) + 5 );
335 strcpy( ret, basename );
336 if (strendswith( ret, ".def" )) ret[strlen(ret)-4] = 0;
340 ret = xmalloc( strlen(name) + 5 );
343 if (!strchr( ret, '.' )) strcat( ret, ".dll" );
347 /* add a dll to the list of imports */
348 void add_import_dll( const char *name, const char *filename )
350 struct import *imp = xmalloc( sizeof(*imp) );
352 imp->spec = alloc_dll_spec();
353 imp->spec->file_name = get_dll_name( name, filename );
360 if (filename) imp->full_name = xstrdup( filename );
361 else imp->full_name = find_library( name );
363 if (read_import_lib( imp ))
365 dll_imports = xrealloc( dll_imports, (nb_imports+1) * sizeof(*dll_imports) );
366 dll_imports[nb_imports++] = imp;
371 if (nb_errors) exit(1);
375 /* add a library to the list of delayed imports */
376 void add_delayed_import( const char *name )
379 char *fullname = get_dll_name( name, NULL );
381 add_name( &delayed_imports, fullname );
382 if ((imp = is_already_imported( fullname )) && !imp->delay)
390 /* remove an imported dll, based on its index in the dll_imports array */
391 static void remove_import_dll( int index )
393 struct import *imp = dll_imports[index];
395 memmove( &dll_imports[index], &dll_imports[index+1], sizeof(imp) * (nb_imports - index - 1) );
397 if (imp->delay) nb_delayed--;
401 /* initialize the list of ignored symbols */
402 static void init_ignored_symbols(void)
406 for (i = 0; i < sizeof(default_ignored_symbols)/sizeof(default_ignored_symbols[0]); i++)
407 add_name( &ignore_symbols, default_ignored_symbols[i] );
410 /* add a symbol to the ignored symbol list */
411 /* if the name starts with '-' the symbol is removed instead */
412 void add_ignore_symbol( const char *name )
416 if (!ignore_symbols.size) init_ignored_symbols(); /* first time around, fill list with defaults */
418 if (name[0] == '-') /* remove it */
420 if (!name[1]) empty_name_table( &ignore_symbols ); /* remove everything */
421 else for (i = 0; i < ignore_symbols.count; i++)
423 if (!strcmp( ignore_symbols.names[i], name+1 )) remove_name( &ignore_symbols, i-- );
426 else add_name( &ignore_symbols, name );
429 /* add a symbol to the list of extra symbols that ld must resolve */
430 void add_extra_ld_symbol( const char *name )
432 add_name( &extra_ld_symbols, name );
435 /* add a function to the list of imports from a given dll */
436 static void add_import_func( struct import *imp, ORDDEF *func )
438 imp->imports = xrealloc( imp->imports, (imp->nb_imports+1) * sizeof(*imp->imports) );
439 imp->imports[imp->nb_imports++] = func;
441 if (imp->delay) total_delayed++;
444 /* get the default entry point for a given spec file */
445 static const char *get_default_entry_point( const DLLSPEC *spec )
447 if (spec->characteristics & IMAGE_FILE_DLL) return "__wine_spec_dll_entry";
448 if (spec->subsystem == IMAGE_SUBSYSTEM_NATIVE) return "__wine_spec_drv_entry";
449 return "__wine_spec_exe_entry";
452 /* check if the spec file exports any stubs */
453 static int has_stubs( const DLLSPEC *spec )
456 for (i = 0; i < spec->nb_entry_points; i++)
458 ORDDEF *odp = &spec->entry_points[i];
459 if (odp->type == TYPE_STUB) return 1;
464 /* add the extra undefined symbols that will be contained in the generated spec file itself */
465 static void add_extra_undef_symbols( DLLSPEC *spec )
467 if (!spec->init_func) spec->init_func = xstrdup( get_default_entry_point(spec) );
468 add_extra_ld_symbol( spec->init_func );
469 if (has_stubs( spec )) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" );
470 if (nb_delayed) add_extra_ld_symbol( "__wine_spec_delay_load" );
473 /* check if a given imported dll is not needed, taking forwards into account */
474 static int check_unused( const struct import* imp, const DLLSPEC *spec )
477 const char *file_name = imp->spec->file_name;
478 size_t len = strlen( file_name );
479 const char *p = strchr( file_name, '.' );
480 if (p && !strcasecmp( p, ".dll" )) len = p - file_name;
482 for (i = spec->base; i <= spec->limit; i++)
484 ORDDEF *odp = spec->ordinals[i];
485 if (!odp || !(odp->flags & FLAG_FORWARD)) continue;
486 if (!strncasecmp( odp->link_name, file_name, len ) &&
487 odp->link_name[len] == '.')
488 return 0; /* found a forward, it is used */
493 /* flag the dll exports that link to an undefined symbol */
494 static void check_undefined_exports( DLLSPEC *spec )
498 for (i = 0; i < spec->nb_entry_points; i++)
500 ORDDEF *odp = &spec->entry_points[i];
501 if (odp->type == TYPE_STUB) continue;
502 if (odp->flags & FLAG_FORWARD) continue;
503 if (find_name( odp->link_name, &undef_symbols ))
505 odp->flags |= FLAG_EXT_LINK;
506 add_name( &ext_link_imports, odp->link_name );
511 /* create a .o file that references all the undefined symbols we want to resolve */
512 static char *create_undef_symbols_file( DLLSPEC *spec )
514 char *as_file, *obj_file;
518 as_file = get_temp_file_name( output_file_name, ".s" );
519 if (!(f = fopen( as_file, "w" ))) fatal_error( "Cannot create %s\n", as_file );
520 fprintf( f, "\t.data\n" );
522 for (i = 0; i < spec->nb_entry_points; i++)
524 ORDDEF *odp = &spec->entry_points[i];
525 if (odp->type == TYPE_STUB) continue;
526 if (odp->flags & FLAG_FORWARD) continue;
527 fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp->link_name) );
529 for (i = 0; i < extra_ld_symbols.count; i++)
530 fprintf( f, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols.names[i]) );
533 obj_file = get_temp_file_name( output_file_name, ".o" );
534 assemble_file( as_file, obj_file );
538 /* combine a list of object files with ld into a single object file */
539 /* returns the name of the combined file */
540 static const char *ldcombine_files( DLLSPEC *spec, char **argv )
542 unsigned int i, len = 0;
543 char *cmd, *p, *ld_tmp_file, *undef_file;
546 undef_file = create_undef_symbols_file( spec );
547 len += strlen(undef_file) + 1;
548 ld_tmp_file = get_temp_file_name( output_file_name, ".o" );
549 if (!ld_command) ld_command = xstrdup("ld");
550 for (i = 0; argv[i]; i++) len += strlen(argv[i]) + 1;
551 cmd = p = xmalloc( len + strlen(ld_tmp_file) + 8 + strlen(ld_command) );
552 p += sprintf( cmd, "%s -r -o %s %s", ld_command, ld_tmp_file, undef_file );
553 for (i = 0; argv[i]; i++)
554 p += sprintf( p, " %s", argv[i] );
555 if (verbose) fprintf( stderr, "%s\n", cmd );
557 if (err) fatal_error( "%s -r failed with status %d\n", ld_command, err );
562 /* read in the list of undefined symbols */
563 void read_undef_symbols( DLLSPEC *spec, char **argv )
567 char *cmd, buffer[1024], name_prefix[16];
571 if (!argv[0]) return;
573 add_extra_undef_symbols( spec );
575 strcpy( name_prefix, asm_name("") );
576 prefix_len = strlen( name_prefix );
578 name = ldcombine_files( spec, argv );
580 if (!nm_command) nm_command = xstrdup("nm");
581 cmd = xmalloc( strlen(nm_command) + strlen(name) + 5 );
582 sprintf( cmd, "%s -u %s", nm_command, name );
583 if (!(f = popen( cmd, "r" )))
584 fatal_error( "Cannot execute '%s'\n", cmd );
586 while (fgets( buffer, sizeof(buffer), f ))
588 char *p = buffer + strlen(buffer) - 1;
589 if (p < buffer) continue;
590 if (*p == '\n') *p-- = 0;
592 while (*p == ' ') p++;
593 if (p[0] == 'U' && p[1] == ' ' && p[2]) p += 2;
594 if (prefix_len && !strncmp( p, name_prefix, prefix_len )) p += prefix_len;
595 add_name( &undef_symbols, p );
597 if ((err = pclose( f ))) warning( "%s failed with status %d\n", cmd, err );
601 /* resolve the imports for a Win32 module */
602 int resolve_imports( DLLSPEC *spec )
604 unsigned int i, j, removed;
607 if (!ignore_symbols.size) init_ignored_symbols();
608 sort_names( &ignore_symbols );
610 for (i = 0; i < nb_imports; i++)
612 struct import *imp = dll_imports[i];
614 for (j = removed = 0; j < undef_symbols.count; j++)
616 if (find_name( undef_symbols.names[j], &ignore_symbols )) continue;
617 odp = find_export( undef_symbols.names[j], imp->exports, imp->nb_exports );
620 add_import_func( imp, odp );
621 remove_name( &undef_symbols, j-- );
625 if (!removed && check_unused( imp, spec ))
627 /* the dll is not used, get rid of it */
628 warning( "%s imported but no symbols used\n", imp->spec->file_name );
629 remove_import_dll( i );
634 sort_names( &undef_symbols );
635 check_undefined_exports( spec );
640 /* output the get_pc thunk if needed */
641 void output_get_pc_thunk( FILE *outfile )
643 if (target_cpu != CPU_x86) return;
645 fprintf( outfile, "\n\t.text\n" );
646 fprintf( outfile, "\t.align %d\n", get_alignment(4) );
647 fprintf( outfile, "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") );
648 fprintf( outfile, "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") );
649 fprintf( outfile, "\tpopl %%eax\n" );
650 fprintf( outfile, "\tpushl %%eax\n" );
651 fprintf( outfile, "\tret\n" );
652 output_function_size( outfile, "__wine_spec_get_pc_thunk_eax" );
655 /* output a single import thunk */
656 static void output_import_thunk( FILE *outfile, const char *name, const char *table, int pos )
658 fprintf( outfile, "\n\t.align %d\n", get_alignment(4) );
659 fprintf( outfile, "\t%s\n", func_declaration(name) );
660 fprintf( outfile, "%s\n", asm_globl(name) );
667 fprintf( outfile, "\tjmp *(%s+%d)\n", table, pos );
671 fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
672 fprintf( outfile, "1:\tjmp *%s+%d-1b(%%eax)\n", table, pos );
676 fprintf( outfile, "\tjmpq *%s+%d(%%rip)\n", table, pos );
681 fprintf( outfile, "\tsethi %%hi(%s+%d), %%g1\n", table, pos );
682 fprintf( outfile, "\tld [%%g1+%%lo(%s+%d)], %%g1\n", table, pos );
683 fprintf( outfile, "\tjmp %%g1\n" );
684 fprintf( outfile, "\tnop\n" );
688 /* Hmpf. Stupid sparc assembler always interprets global variable
689 names as GOT offsets, so we have to do it the long way ... */
690 fprintf( outfile, "\tsave %%sp, -96, %%sp\n" );
691 fprintf( outfile, "0:\tcall 1f\n" );
692 fprintf( outfile, "\tnop\n" );
693 fprintf( outfile, "1:\tsethi %%hi(%s+%d-0b), %%g1\n", table, pos );
694 fprintf( outfile, "\tor %%g1, %%lo(%s+%d-0b), %%g1\n", table, pos );
695 fprintf( outfile, "\tld [%%g1+%%o7], %%g1\n" );
696 fprintf( outfile, "\tjmp %%g1\n" );
697 fprintf( outfile, "\trestore\n" );
701 fprintf( outfile, "\tlda $0,%s\n", table );
702 fprintf( outfile, "\tlda $0,%d($0)\n", pos );
703 fprintf( outfile, "\tjmp $31,($0)\n" );
706 fprintf( outfile, "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1) );
707 fprintf( outfile, "\tstw %s, 0(%s)\n", ppc_reg(9), ppc_reg(1) );
708 fprintf( outfile, "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1) );
709 fprintf( outfile, "\tstw %s, 0(%s)\n", ppc_reg(8), ppc_reg(1) );
710 fprintf( outfile, "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1) );
711 fprintf( outfile, "\tstw %s, 0(%s)\n", ppc_reg(7), ppc_reg(1) );
712 if (target_platform == PLATFORM_APPLE)
714 fprintf( outfile, "\tlis %s, ha16(%s+%d)\n", ppc_reg(9), table, pos );
715 fprintf( outfile, "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(8), table, pos, ppc_reg(9) );
719 fprintf( outfile, "\tlis %s, (%s+%d)@h\n", ppc_reg(9), table, pos );
720 fprintf( outfile, "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(8), table, pos, ppc_reg(9) );
722 fprintf( outfile, "\tlwz %s, 0(%s)\n", ppc_reg(7), ppc_reg(8) );
723 fprintf( outfile, "\tmtctr %s\n", ppc_reg(7) );
724 fprintf( outfile, "\tlwz %s, 0(%s)\n", ppc_reg(7), ppc_reg(1) );
725 fprintf( outfile, "\taddi %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1) );
726 fprintf( outfile, "\tlwz %s, 0(%s)\n", ppc_reg(8), ppc_reg(1) );
727 fprintf( outfile, "\taddi %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1) );
728 fprintf( outfile, "\tlwz %s, 0(%s)\n", ppc_reg(9), ppc_reg(1) );
729 fprintf( outfile, "\taddi %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1) );
730 fprintf( outfile, "\tbctr\n" );
733 output_function_size( outfile, name );
736 /* check if we need an import directory */
737 int has_imports(void)
739 return (nb_imports - nb_delayed) > 0;
742 /* output the import table of a Win32 module */
743 static void output_immediate_imports( FILE *outfile )
746 const char *dll_name;
748 if (nb_imports == nb_delayed) return; /* no immediate imports */
750 /* main import header */
752 fprintf( outfile, "\n/* import table */\n" );
753 fprintf( outfile, "\n\t.data\n" );
754 fprintf( outfile, "\t.align %d\n", get_alignment(4) );
755 fprintf( outfile, ".L__wine_spec_imports:\n" );
759 for (i = j = 0; i < nb_imports; i++)
761 if (dll_imports[i]->delay) continue;
762 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
763 fprintf( outfile, "\t.long 0\n" ); /* OriginalFirstThunk */
764 fprintf( outfile, "\t.long 0\n" ); /* TimeDateStamp */
765 fprintf( outfile, "\t.long 0\n" ); /* ForwarderChain */
766 fprintf( outfile, "\t.long .L__wine_spec_import_name_%s-.L__wine_spec_rva_base\n", /* Name */
768 fprintf( outfile, "\t.long .L__wine_spec_import_data_ptrs+%d-.L__wine_spec_rva_base\n", /* FirstThunk */
769 j * get_ptr_size() );
770 j += dll_imports[i]->nb_imports + 1;
772 fprintf( outfile, "\t.long 0\n" ); /* OriginalFirstThunk */
773 fprintf( outfile, "\t.long 0\n" ); /* TimeDateStamp */
774 fprintf( outfile, "\t.long 0\n" ); /* ForwarderChain */
775 fprintf( outfile, "\t.long 0\n" ); /* Name */
776 fprintf( outfile, "\t.long 0\n" ); /* FirstThunk */
778 fprintf( outfile, "\n\t.align %d\n", get_alignment(get_ptr_size()) );
779 fprintf( outfile, ".L__wine_spec_import_data_ptrs:\n" );
780 for (i = 0; i < nb_imports; i++)
782 if (dll_imports[i]->delay) continue;
783 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
784 for (j = 0; j < dll_imports[i]->nb_imports; j++)
786 ORDDEF *odp = dll_imports[i]->imports[j];
787 if (!(odp->flags & FLAG_NONAME))
788 fprintf( outfile, "\t%s .L__wine_spec_import_data_%s_%s-.L__wine_spec_rva_base\n",
789 get_asm_ptr_keyword(), dll_name, odp->name );
792 if (get_ptr_size() == 8)
793 fprintf( outfile, "\t.quad 0x800000000000%04x\n", odp->ordinal );
795 fprintf( outfile, "\t.long 0x8000%04x\n", odp->ordinal );
798 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() );
800 fprintf( outfile, ".L__wine_spec_imports_end:\n" );
802 for (i = 0; i < nb_imports; i++)
804 if (dll_imports[i]->delay) continue;
805 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
806 for (j = 0; j < dll_imports[i]->nb_imports; j++)
808 ORDDEF *odp = dll_imports[i]->imports[j];
809 if (!(odp->flags & FLAG_NONAME))
811 fprintf( outfile, "\t.align %d\n", get_alignment(2) );
812 fprintf( outfile, ".L__wine_spec_import_data_%s_%s:\n", dll_name, odp->name );
813 fprintf( outfile, "\t%s %d\n", get_asm_short_keyword(), odp->ordinal );
814 fprintf( outfile, "\t%s \"%s\"\n", get_asm_string_keyword(), odp->name );
819 for (i = 0; i < nb_imports; i++)
821 if (dll_imports[i]->delay) continue;
822 dll_name = make_c_identifier( dll_imports[i]->spec->file_name );
823 fprintf( outfile, ".L__wine_spec_import_name_%s:\n\t%s \"%s\"\n",
824 dll_name, get_asm_string_keyword(), dll_imports[i]->spec->file_name );
828 /* output the import thunks of a Win32 module */
829 static void output_immediate_import_thunks( FILE *outfile )
832 int nb_imm = nb_imports - nb_delayed;
833 static const char import_thunks[] = "__wine_spec_import_thunks";
837 fprintf( outfile, "\n/* immediate import thunks */\n\n" );
838 fprintf( outfile, "\t.text\n" );
839 fprintf( outfile, "\t.align %d\n", get_alignment(8) );
840 fprintf( outfile, "%s:\n", asm_name(import_thunks));
842 for (i = pos = 0; i < nb_imports; i++)
844 if (dll_imports[i]->delay) continue;
845 for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += get_ptr_size())
847 ORDDEF *odp = dll_imports[i]->imports[j];
848 output_import_thunk( outfile, odp->name ? odp->name : odp->export_name,
849 ".L__wine_spec_import_data_ptrs", pos );
851 pos += get_ptr_size();
853 output_function_size( outfile, import_thunks );
856 /* output the delayed import table of a Win32 module */
857 static void output_delayed_imports( FILE *outfile, const DLLSPEC *spec )
861 if (!nb_delayed) return;
863 fprintf( outfile, "\n/* delayed imports */\n\n" );
864 fprintf( outfile, "\t.data\n" );
865 fprintf( outfile, "\t.align %d\n", get_alignment(get_ptr_size()) );
866 fprintf( outfile, "%s\n", asm_globl("__wine_spec_delay_imports") );
870 for (i = j = 0; i < nb_imports; i++)
872 if (!dll_imports[i]->delay) continue;
873 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
874 fprintf( outfile, "\t%s .L__wine_delay_name_%d\n", /* szName */
875 get_asm_ptr_keyword(), i );
876 fprintf( outfile, "\t%s .L__wine_delay_modules+%d\n", /* phmod */
877 get_asm_ptr_keyword(), i * get_ptr_size() );
878 fprintf( outfile, "\t%s .L__wine_delay_IAT+%d\n", /* pIAT */
879 get_asm_ptr_keyword(), j * get_ptr_size() );
880 fprintf( outfile, "\t%s .L__wine_delay_INT+%d\n", /* pINT */
881 get_asm_ptr_keyword(), j * get_ptr_size() );
882 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
883 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
884 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
885 j += dll_imports[i]->nb_imports;
887 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
888 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* szName */
889 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* phmod */
890 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* pIAT */
891 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* pINT */
892 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
893 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
894 fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
896 fprintf( outfile, "\n.L__wine_delay_IAT:\n" );
897 for (i = 0; i < nb_imports; i++)
899 if (!dll_imports[i]->delay) continue;
900 for (j = 0; j < dll_imports[i]->nb_imports; j++)
902 ORDDEF *odp = dll_imports[i]->imports[j];
903 const char *name = odp->name ? odp->name : odp->export_name;
904 fprintf( outfile, "\t%s .L__wine_delay_imp_%d_%s\n",
905 get_asm_ptr_keyword(), i, name );
909 fprintf( outfile, "\n.L__wine_delay_INT:\n" );
910 for (i = 0; i < nb_imports; i++)
912 if (!dll_imports[i]->delay) continue;
913 for (j = 0; j < dll_imports[i]->nb_imports; j++)
915 ORDDEF *odp = dll_imports[i]->imports[j];
917 fprintf( outfile, "\t%s %d\n", get_asm_ptr_keyword(), odp->ordinal );
919 fprintf( outfile, "\t%s .L__wine_delay_data_%d_%s\n",
920 get_asm_ptr_keyword(), i, odp->name );
924 fprintf( outfile, "\n.L__wine_delay_modules:\n" );
925 for (i = 0; i < nb_imports; i++)
927 if (dll_imports[i]->delay) fprintf( outfile, "\t%s 0\n", get_asm_ptr_keyword() );
930 for (i = 0; i < nb_imports; i++)
932 if (!dll_imports[i]->delay) continue;
933 fprintf( outfile, ".L__wine_delay_name_%d:\n", i );
934 fprintf( outfile, "\t%s \"%s\"\n",
935 get_asm_string_keyword(), dll_imports[i]->spec->file_name );
938 for (i = 0; i < nb_imports; i++)
940 if (!dll_imports[i]->delay) continue;
941 for (j = 0; j < dll_imports[i]->nb_imports; j++)
943 ORDDEF *odp = dll_imports[i]->imports[j];
944 if (!odp->name) continue;
945 fprintf( outfile, ".L__wine_delay_data_%d_%s:\n", i, odp->name );
946 fprintf( outfile, "\t%s \"%s\"\n", get_asm_string_keyword(), odp->name );
949 output_function_size( outfile, "__wine_spec_delay_imports" );
952 /* output the delayed import thunks of a Win32 module */
953 static void output_delayed_import_thunks( FILE *outfile, const DLLSPEC *spec )
955 int i, idx, j, pos, extra_stack_storage = 0;
956 static const char delayed_import_loaders[] = "__wine_spec_delayed_import_loaders";
957 static const char delayed_import_thunks[] = "__wine_spec_delayed_import_thunks";
959 if (!nb_delayed) return;
961 fprintf( outfile, "\n/* delayed import thunks */\n\n" );
962 fprintf( outfile, "\t.text\n" );
963 fprintf( outfile, "\t.align %d\n", get_alignment(8) );
964 fprintf( outfile, "%s:\n", asm_name(delayed_import_loaders));
965 fprintf( outfile, "\t%s\n", func_declaration("__wine_delay_load_asm") );
966 fprintf( outfile, "%s:\n", asm_name("__wine_delay_load_asm") );
970 fprintf( outfile, "\tpushl %%ecx\n" );
971 fprintf( outfile, "\tpushl %%edx\n" );
972 fprintf( outfile, "\tpushl %%eax\n" );
973 fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_delay_load") );
974 fprintf( outfile, "\tpopl %%edx\n" );
975 fprintf( outfile, "\tpopl %%ecx\n" );
976 fprintf( outfile, "\tjmp *%%eax\n" );
979 fprintf( outfile, "\tpushq %%rdi\n" );
980 fprintf( outfile, "\tsubq $8,%%rsp\n" );
981 fprintf( outfile, "\tmovq %%r11,%%rdi\n" );
982 fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_delay_load") );
983 fprintf( outfile, "\taddq $8,%%rsp\n" );
984 fprintf( outfile, "\tpopq %%rdi\n" );
985 fprintf( outfile, "\tjmp *%%rax\n" );
988 fprintf( outfile, "\tsave %%sp, -96, %%sp\n" );
989 fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_delay_load") );
990 fprintf( outfile, "\tmov %%g1, %%o0\n" );
991 fprintf( outfile, "\tjmp %%o0\n" );
992 fprintf( outfile, "\trestore\n" );
995 fprintf( outfile, "\tjsr $26,%s\n", asm_name("__wine_spec_delay_load") );
996 fprintf( outfile, "\tjmp $31,($0)\n" );
999 if (target_platform == PLATFORM_APPLE) extra_stack_storage = 56;
1001 /* Save all callee saved registers into a stackframe. */
1002 fprintf( outfile, "\tstwu %s, -%d(%s)\n",ppc_reg(1), 48+extra_stack_storage, ppc_reg(1));
1003 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1));
1004 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1));
1005 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1));
1006 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1));
1007 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1));
1008 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1));
1009 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1));
1010 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1));
1011 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1));
1012 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1));
1014 /* r0 -> r3 (arg1) */
1015 fprintf( outfile, "\tmr %s, %s\n", ppc_reg(3), ppc_reg(0));
1017 /* save return address */
1018 fprintf( outfile, "\tmflr %s\n", ppc_reg(0));
1019 fprintf( outfile, "\tstw %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1));
1021 /* Call the __wine_delay_load function, arg1 is arg1. */
1022 fprintf( outfile, "\tbl %s\n", asm_name("__wine_spec_delay_load") );
1024 /* Load return value from call into ctr register */
1025 fprintf( outfile, "\tmtctr %s\n", ppc_reg(3));
1027 /* restore all saved registers and drop stackframe. */
1028 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage, ppc_reg(1));
1029 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage, ppc_reg(1));
1030 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage, ppc_reg(1));
1031 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage, ppc_reg(1));
1032 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage, ppc_reg(1));
1033 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage, ppc_reg(1));
1034 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage, ppc_reg(1));
1035 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage, ppc_reg(1));
1036 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage, ppc_reg(1));
1037 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage, ppc_reg(1));
1039 /* Load return value from call into return register */
1040 fprintf( outfile, "\tlwz %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage, ppc_reg(1));
1041 fprintf( outfile, "\tmtlr %s\n", ppc_reg(0));
1042 fprintf( outfile, "\taddi %s, %s, %d\n", ppc_reg(1), ppc_reg(1), 48+extra_stack_storage);
1044 /* branch to ctr register. */
1045 fprintf( outfile, "\tbctr\n");
1048 output_function_size( outfile, "__wine_delay_load_asm" );
1049 fprintf( outfile, "\n" );
1051 for (i = idx = 0; i < nb_imports; i++)
1053 if (!dll_imports[i]->delay) continue;
1054 for (j = 0; j < dll_imports[i]->nb_imports; j++)
1056 ORDDEF *odp = dll_imports[i]->imports[j];
1057 const char *name = odp->name ? odp->name : odp->export_name;
1059 fprintf( outfile, ".L__wine_delay_imp_%d_%s:\n", i, name );
1063 fprintf( outfile, "\tmovl $%d, %%eax\n", (idx << 16) | j );
1064 fprintf( outfile, "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1067 fprintf( outfile, "\tmovq $%d,%%r11\n", (idx << 16) | j );
1068 fprintf( outfile, "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1071 fprintf( outfile, "\tset %d, %%g1\n", (idx << 16) | j );
1072 fprintf( outfile, "\tb,a %s\n", asm_name("__wine_delay_load_asm") );
1075 fprintf( outfile, "\tlda $0,%d($31)\n", j);
1076 fprintf( outfile, "\tldah $0,%d($0)\n", idx);
1077 fprintf( outfile, "\tjmp $31,%s\n", asm_name("__wine_delay_load_asm") );
1080 switch(target_platform)
1082 case PLATFORM_APPLE:
1083 /* On Darwin we can use r0 and r2 */
1084 /* Upper part in r2 */
1085 fprintf( outfile, "\tlis %s, %d\n", ppc_reg(2), idx);
1086 /* Lower part + r2 -> r0, Note we can't use r0 directly */
1087 fprintf( outfile, "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(2), j);
1088 fprintf( outfile, "\tb %s\n", asm_name("__wine_delay_load_asm") );
1091 /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
1092 /* Save r13 on the stack */
1093 fprintf( outfile, "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1));
1094 fprintf( outfile, "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1095 /* Upper part in r13 */
1096 fprintf( outfile, "\tlis %s, %d\n", ppc_reg(13), idx);
1097 /* Lower part + r13 -> r0, Note we can't use r0 directly */
1098 fprintf( outfile, "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(13), j);
1100 fprintf( outfile, "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1101 fprintf( outfile, "\taddic %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1));
1102 fprintf( outfile, "\tb %s\n", asm_name("__wine_delay_load_asm") );
1110 output_function_size( outfile, delayed_import_loaders );
1112 fprintf( outfile, "\n\t.align %d\n", get_alignment(get_ptr_size()) );
1113 fprintf( outfile, "%s:\n", asm_name(delayed_import_thunks));
1114 for (i = pos = 0; i < nb_imports; i++)
1116 if (!dll_imports[i]->delay) continue;
1117 for (j = 0; j < dll_imports[i]->nb_imports; j++, pos += get_ptr_size())
1119 ORDDEF *odp = dll_imports[i]->imports[j];
1120 output_import_thunk( outfile, odp->name ? odp->name : odp->export_name,
1121 ".L__wine_delay_IAT", pos );
1124 output_function_size( outfile, delayed_import_thunks );
1127 /* output import stubs for exported entry points that link to external symbols */
1128 static void output_external_link_imports( FILE *outfile, DLLSPEC *spec )
1130 unsigned int i, pos;
1132 if (!ext_link_imports.count) return; /* nothing to do */
1134 sort_names( &ext_link_imports );
1136 /* get rid of duplicate names */
1137 for (i = 1; i < ext_link_imports.count; i++)
1139 if (!strcmp( ext_link_imports.names[i-1], ext_link_imports.names[i] ))
1140 remove_name( &ext_link_imports, i-- );
1143 fprintf( outfile, "\n/* external link thunks */\n\n" );
1144 fprintf( outfile, "\t.data\n" );
1145 fprintf( outfile, "\t.align %d\n", get_alignment(get_ptr_size()) );
1146 fprintf( outfile, ".L__wine_spec_external_links:\n" );
1147 for (i = 0; i < ext_link_imports.count; i++)
1148 fprintf( outfile, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports.names[i]) );
1150 fprintf( outfile, "\n\t.text\n" );
1151 fprintf( outfile, "\t.align %d\n", get_alignment(get_ptr_size()) );
1152 fprintf( outfile, "%s:\n", asm_name("__wine_spec_external_link_thunks") );
1154 for (i = pos = 0; i < ext_link_imports.count; i++)
1157 sprintf( buffer, "__wine_spec_ext_link_%s", ext_link_imports.names[i] );
1158 output_import_thunk( outfile, buffer, ".L__wine_spec_external_links", pos );
1159 pos += get_ptr_size();
1161 output_function_size( outfile, "__wine_spec_external_link_thunks" );
1164 /*******************************************************************
1167 * Output the functions for stub entry points
1169 void output_stubs( FILE *outfile, DLLSPEC *spec )
1171 const char *name, *exp_name;
1174 if (!has_stubs( spec )) return;
1176 fprintf( outfile, "\n/* stub functions */\n\n" );
1177 fprintf( outfile, "\t.text\n" );
1179 for (i = pos = 0; i < spec->nb_entry_points; i++)
1181 ORDDEF *odp = &spec->entry_points[i];
1182 if (odp->type != TYPE_STUB) continue;
1184 name = get_stub_name( odp, spec );
1185 exp_name = odp->name ? odp->name : odp->export_name;
1186 fprintf( outfile, "\t.align %d\n", get_alignment(4) );
1187 fprintf( outfile, "\t%s\n", func_declaration(name) );
1188 fprintf( outfile, "%s:\n", asm_name(name) );
1189 fprintf( outfile, "\tsubl $4,%%esp\n" );
1193 fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
1194 fprintf( outfile, "1:" );
1197 fprintf( outfile, "\tleal .L__wine_stub_strings+%d-1b(%%eax),%%ecx\n", pos );
1198 fprintf( outfile, "\tpushl %%ecx\n" );
1199 pos += strlen(exp_name) + 1;
1202 fprintf( outfile, "\tpushl $%d\n", odp->ordinal );
1203 fprintf( outfile, "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
1204 fprintf( outfile, "\tpushl %%ecx\n" );
1210 fprintf( outfile, "\tpushl $.L__wine_stub_strings+%d\n", pos );
1211 pos += strlen(exp_name) + 1;
1214 fprintf( outfile, "\tpushl $%d\n", odp->ordinal );
1215 fprintf( outfile, "\tpushl $.L__wine_spec_file_name\n" );
1217 fprintf( outfile, "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1218 output_function_size( outfile, name );
1223 fprintf( outfile, "\t%s\n", get_asm_string_section() );
1224 fprintf( outfile, ".L__wine_stub_strings:\n" );
1225 for (i = 0; i < spec->nb_entry_points; i++)
1227 ORDDEF *odp = &spec->entry_points[i];
1228 if (odp->type != TYPE_STUB) continue;
1229 exp_name = odp->name ? odp->name : odp->export_name;
1231 fprintf( outfile, "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name );
1236 /* output the import and delayed import tables of a Win32 module */
1237 void output_imports( FILE *outfile, DLLSPEC *spec )
1239 output_immediate_imports( outfile );
1240 output_delayed_imports( outfile, spec );
1241 output_immediate_import_thunks( outfile );
1242 output_delayed_import_thunks( outfile, spec );
1243 output_external_link_imports( outfile, spec );
1244 if (nb_imports || ext_link_imports.count || has_stubs(spec)) output_get_pc_thunk( outfile );