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"
40 DLLSPEC
*spec
; /* description of the imported dll */
41 int delay
; /* delay or not dll loading ? */
42 ORDDEF
**exports
; /* functions exported from this dll */
43 int nb_exports
; /* number of exported functions */
44 ORDDEF
**imports
; /* functions we want to import from this dll */
45 int nb_imports
; /* number of imported functions */
48 static char **undef_symbols
; /* list of undefined symbols */
49 static int nb_undef_symbols
= -1;
50 static int undef_size
;
52 static char **ignore_symbols
; /* list of symbols to ignore */
53 static int nb_ignore_symbols
;
54 static int ignore_size
;
56 static char *ld_tmp_file
; /* ld temp file name */
58 static struct import
**dll_imports
= NULL
;
59 static int nb_imports
= 0; /* number of imported dlls (delayed or not) */
60 static int nb_delayed
= 0; /* number of delayed dlls */
61 static int total_imports
= 0; /* total number of imported functions */
62 static int total_delayed
= 0; /* total number of imported functions in delayed DLLs */
64 /* list of symbols that are ignored by default */
65 static const char * const default_ignored_symbols
[] =
117 # define ppc_high(mem) "ha16(" mem ")"
118 # define ppc_low(mem) "lo16(" mem ")"
119 static const char * const ppc_reg
[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
120 "r8", "r9", "r10","r11","r12","r13","r14","r15",
121 "r16","r17","r18","r19","r20","r21","r22","r23",
122 "r24","r25","r26","r27","r28","r29","r30","r31" };
123 # else /* __APPLE__ */
124 # define ppc_high(mem) "(" mem ")@hi"
125 # define ppc_low(mem) "(" mem ")@l"
126 static const char * const ppc_reg
[32] = { "0", "1", "2", "3", "4", "5", "6", "7",
127 "8", "9", "10","11","12","13","14","15",
128 "16","17","18","19","20","21","22","23",
129 "24","25","26","27","28","29","30","31" };
130 # endif /* __APPLE__ */
131 #endif /* __powerpc__ */
133 /* compare function names; helper for resolve_imports */
134 static int name_cmp( const void *name
, const void *entry
)
136 return strcmp( *(char **)name
, *(char **)entry
);
139 /* compare function names; helper for resolve_imports */
140 static int func_cmp( const void *func1
, const void *func2
)
142 const ORDDEF
*odp1
= *(const ORDDEF
**)func1
;
143 const ORDDEF
*odp2
= *(const ORDDEF
**)func2
;
144 return strcmp( odp1
->name
? odp1
->name
: odp1
->export_name
,
145 odp2
->name
? odp2
->name
: odp2
->export_name
);
148 /* locate a symbol in a (sorted) list */
149 inline static const char *find_symbol( const char *name
, char **table
, int size
)
154 res
= bsearch( &name
, table
, size
, sizeof(*table
), name_cmp
);
157 return res
? *res
: NULL
;
160 /* locate an export in a (sorted) export list */
161 inline static ORDDEF
*find_export( const char *name
, ORDDEF
**table
, int size
)
163 ORDDEF func
, *odp
, **res
= NULL
;
165 func
.name
= (char *)name
;
168 if (table
) res
= bsearch( &odp
, table
, size
, sizeof(*table
), func_cmp
);
169 return res
? *res
: NULL
;
172 /* sort a symbol table */
173 inline static void sort_symbols( char **table
, int size
)
176 qsort( table
, size
, sizeof(*table
), name_cmp
);
179 /* free an import structure */
180 static void free_imports( struct import
*imp
)
182 free( imp
->exports
);
183 free( imp
->imports
);
184 free_dll_spec( imp
->spec
);
188 /* remove the temp file at exit */
189 static void remove_ld_tmp_file(void)
191 if (ld_tmp_file
) unlink( ld_tmp_file
);
194 /* check whether a given dll has already been imported */
195 static int is_already_imported( const char *name
)
199 for (i
= 0; i
< nb_imports
; i
++)
201 if (!strcmp( dll_imports
[i
]->spec
->file_name
, name
)) return 1;
206 /* open the .so library for a given dll in a specified path */
207 static char *try_library_path( const char *path
, const char *name
)
212 buffer
= xmalloc( strlen(path
) + strlen(name
) + 9 );
213 sprintf( buffer
, "%s/lib%s.def", path
, name
);
215 /* check if the file exists */
216 if ((fd
= open( buffer
, O_RDONLY
)) != -1)
225 /* open the .so library for a given dll */
226 static char *open_library( const char *name
)
231 for (i
= 0; i
< nb_lib_paths
; i
++)
233 if ((fullname
= try_library_path( lib_path
[i
], name
))) return fullname
;
235 fatal_error( "could not open .def file for %s\n", name
);
239 /* read in the list of exported symbols of an import library */
240 static int read_import_lib( const char *name
, struct import
*imp
)
245 DLLSPEC
*spec
= imp
->spec
;
250 fullname
= open_library( name
);
251 f
= open_input_file( NULL
, fullname
);
254 ret
= parse_def_file( f
, spec
);
255 close_input_file( f
);
257 if (is_already_imported( spec
->file_name
)) return 0;
259 imp
->exports
= xmalloc( spec
->nb_entry_points
* sizeof(*imp
->exports
) );
261 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
263 ORDDEF
*odp
= &spec
->entry_points
[i
];
265 if (odp
->type
!= TYPE_STDCALL
&& odp
->type
!= TYPE_CDECL
) continue;
266 if (odp
->flags
& FLAG_PRIVATE
) continue;
267 imp
->exports
[imp
->nb_exports
++] = odp
;
269 imp
->exports
= xrealloc( imp
->exports
, imp
->nb_exports
* sizeof(*imp
->exports
) );
271 qsort( imp
->exports
, imp
->nb_exports
, sizeof(*imp
->exports
), func_cmp
);
275 /* add a dll to the list of imports */
276 void add_import_dll( const char *name
, int delay
)
281 fullname
= xmalloc( strlen(name
) + 5 );
282 strcpy( fullname
, name
);
283 if (!strchr( fullname
, '.' )) strcat( fullname
, ".dll" );
285 /* check if we already imported it */
286 if (is_already_imported( fullname
))
292 imp
= xmalloc( sizeof(*imp
) );
293 imp
->spec
= alloc_dll_spec();
294 imp
->spec
->file_name
= fullname
;
298 if (delay
) nb_delayed
++;
300 if (read_import_lib( name
, imp
))
302 dll_imports
= xrealloc( dll_imports
, (nb_imports
+1) * sizeof(*dll_imports
) );
303 dll_imports
[nb_imports
++] = imp
;
308 if (nb_errors
) exit(1);
312 /* remove an imported dll, based on its index in the dll_imports array */
313 static void remove_import_dll( int index
)
315 struct import
*imp
= dll_imports
[index
];
317 memmove( &dll_imports
[index
], &dll_imports
[index
+1], sizeof(imp
) * (nb_imports
- index
- 1) );
319 if (imp
->delay
) nb_delayed
--;
323 /* initialize the list of ignored symbols */
324 static void init_ignored_symbols(void)
328 nb_ignore_symbols
= sizeof(default_ignored_symbols
)/sizeof(default_ignored_symbols
[0]);
329 ignore_size
= nb_ignore_symbols
+ 32;
330 ignore_symbols
= xmalloc( ignore_size
* sizeof(*ignore_symbols
) );
331 for (i
= 0; i
< nb_ignore_symbols
; i
++)
332 ignore_symbols
[i
] = xstrdup( default_ignored_symbols
[i
] );
335 /* add a symbol to the ignored symbol list */
336 /* if the name starts with '-' the symbol is removed instead */
337 void add_ignore_symbol( const char *name
)
341 if (!ignore_symbols
) init_ignored_symbols(); /* first time around, fill list with defaults */
343 if (name
[0] == '-') /* remove it */
345 if (!name
[1]) /* remove everything */
347 for (i
= 0; i
< nb_ignore_symbols
; i
++) free( ignore_symbols
[i
] );
348 nb_ignore_symbols
= 0;
352 for (i
= 0; i
< nb_ignore_symbols
; i
++)
354 if (!strcmp( ignore_symbols
[i
], name
+1 ))
356 free( ignore_symbols
[i
] );
357 memmove( &ignore_symbols
[i
], &ignore_symbols
[i
+1], nb_ignore_symbols
- i
- 1 );
365 if (nb_ignore_symbols
== ignore_size
)
368 ignore_symbols
= xrealloc( ignore_symbols
, ignore_size
* sizeof(*ignore_symbols
) );
370 ignore_symbols
[nb_ignore_symbols
++] = xstrdup( name
);
374 /* add a function to the list of imports from a given dll */
375 static void add_import_func( struct import
*imp
, ORDDEF
*func
)
377 imp
->imports
= xrealloc( imp
->imports
, (imp
->nb_imports
+1) * sizeof(*imp
->imports
) );
378 imp
->imports
[imp
->nb_imports
++] = func
;
380 if (imp
->delay
) total_delayed
++;
383 /* add a symbol to the undef list */
384 inline static void add_undef_symbol( const char *name
)
386 if (nb_undef_symbols
== undef_size
)
389 undef_symbols
= xrealloc( undef_symbols
, undef_size
* sizeof(*undef_symbols
) );
391 undef_symbols
[nb_undef_symbols
++] = xstrdup( name
);
394 /* remove all the holes in the undefined symbol list; return the number of removed symbols */
395 static int remove_symbol_holes(void)
398 for (i
= off
= 0; i
< nb_undef_symbols
; i
++)
400 if (!undef_symbols
[i
]) off
++;
401 else undef_symbols
[i
- off
] = undef_symbols
[i
];
403 nb_undef_symbols
-= off
;
407 /* add a symbol to the extra list, but only if needed */
408 static int add_extra_symbol( const char **extras
, int *count
, const char *name
, const DLLSPEC
*spec
)
412 if (!find_symbol( name
, undef_symbols
, nb_undef_symbols
))
414 /* check if the symbol is being exported by this dll */
415 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
417 ORDDEF
*odp
= &spec
->entry_points
[i
];
418 if (odp
->type
== TYPE_STDCALL
||
419 odp
->type
== TYPE_CDECL
||
420 odp
->type
== TYPE_VARARGS
||
421 odp
->type
== TYPE_EXTERN
)
423 if (odp
->name
&& !strcmp( odp
->name
, name
)) return 0;
426 extras
[*count
] = name
;
432 /* add the extra undefined symbols that will be contained in the generated spec file itself */
433 static void add_extra_undef_symbols( const DLLSPEC
*spec
)
435 const char *extras
[10];
436 int i
, count
= 0, nb_stubs
= 0, nb_regs
= 0;
437 int kernel_imports
= 0, ntdll_imports
= 0;
439 sort_symbols( undef_symbols
, nb_undef_symbols
);
441 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
443 ORDDEF
*odp
= &spec
->entry_points
[i
];
444 if (odp
->type
== TYPE_STUB
) nb_stubs
++;
445 if (odp
->flags
& FLAG_REGISTER
) nb_regs
++;
448 /* add symbols that will be contained in the spec file itself */
449 if (!(spec
->characteristics
& IMAGE_FILE_DLL
))
451 switch (spec
->subsystem
)
453 case IMAGE_SUBSYSTEM_WINDOWS_GUI
:
454 case IMAGE_SUBSYSTEM_WINDOWS_CUI
:
455 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetCommandLineA", spec
);
456 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetStartupInfoA", spec
);
457 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetModuleHandleA", spec
);
458 kernel_imports
+= add_extra_symbol( extras
, &count
, "ExitProcess", spec
);
464 kernel_imports
+= add_extra_symbol( extras
, &count
, "LoadLibraryA", spec
);
465 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetProcAddress", spec
);
468 ntdll_imports
+= add_extra_symbol( extras
, &count
, "__wine_call_from_32_regs", spec
);
469 if (nb_delayed
|| nb_stubs
)
470 ntdll_imports
+= add_extra_symbol( extras
, &count
, "RtlRaiseException", spec
);
472 /* make sure we import the dlls that contain these functions */
473 if (kernel_imports
) add_import_dll( "kernel32", 0 );
474 if (ntdll_imports
) add_import_dll( "ntdll", 0 );
478 for (i
= 0; i
< count
; i
++) add_undef_symbol( extras
[i
] );
479 sort_symbols( undef_symbols
, nb_undef_symbols
);
483 /* check if a given imported dll is not needed, taking forwards into account */
484 static int check_unused( const struct import
* imp
, const DLLSPEC
*spec
)
487 const char *file_name
= imp
->spec
->file_name
;
488 size_t len
= strlen( file_name
);
489 const char *p
= strchr( file_name
, '.' );
490 if (p
&& !strcasecmp( p
, ".dll" )) len
= p
- file_name
;
492 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
494 ORDDEF
*odp
= spec
->ordinals
[i
];
495 if (!odp
|| !(odp
->flags
& FLAG_FORWARD
)) continue;
496 if (!strncasecmp( odp
->link_name
, file_name
, len
) &&
497 odp
->link_name
[len
] == '.')
498 return 0; /* found a forward, it is used */
503 /* combine a list of object files with ld into a single object file */
504 /* returns the name of the combined file */
505 static const char *ldcombine_files( char **argv
)
511 if (output_file_name
&& output_file_name
[0])
513 ld_tmp_file
= xmalloc( strlen(output_file_name
) + 10 );
514 strcpy( ld_tmp_file
, output_file_name
);
515 strcat( ld_tmp_file
, ".XXXXXX.o" );
517 else ld_tmp_file
= xstrdup( "/tmp/winebuild.tmp.XXXXXX.o" );
519 if ((fd
= mkstemps( ld_tmp_file
, 2 ) == -1)) fatal_error( "could not generate a temp file\n" );
521 atexit( remove_ld_tmp_file
);
523 for (i
= 0; argv
[i
]; i
++) len
+= strlen(argv
[i
]) + 1;
524 cmd
= xmalloc( len
+ strlen(ld_tmp_file
) + 10 );
525 sprintf( cmd
, "ld -r -o %s", ld_tmp_file
);
526 for (i
= 0; argv
[i
]; i
++) sprintf( cmd
+ strlen(cmd
), " %s", argv
[i
] );
528 if (err
) fatal_error( "ld -r failed with status %d\n", err
);
533 /* read in the list of undefined symbols */
534 void read_undef_symbols( char **argv
)
541 if (!argv
[0]) return;
543 undef_size
= nb_undef_symbols
= 0;
545 /* if we have multiple object files, link them together */
546 if (argv
[1]) name
= ldcombine_files( argv
);
549 sprintf( buffer
, "nm -u %s", name
);
550 if (!(f
= popen( buffer
, "r" )))
551 fatal_error( "Cannot execute '%s'\n", buffer
);
553 while (fgets( buffer
, sizeof(buffer
), f
))
555 char *p
= buffer
+ strlen(buffer
) - 1;
556 if (p
< buffer
) continue;
557 if (*p
== '\n') *p
-- = 0;
559 while (*p
== ' ') p
++;
560 if (p
[0] == 'U' && p
[1] == ' ' && p
[2]) p
+= 2;
561 add_undef_symbol( p
);
563 if ((err
= pclose( f
))) warning( "nm -u %s error %d\n", name
, err
);
566 static void remove_ignored_symbols(void)
570 if (!ignore_symbols
) init_ignored_symbols();
571 sort_symbols( ignore_symbols
, nb_ignore_symbols
);
572 for (i
= 0; i
< nb_undef_symbols
; i
++)
574 if (find_symbol( undef_symbols
[i
], ignore_symbols
, nb_ignore_symbols
))
576 free( undef_symbols
[i
] );
577 undef_symbols
[i
] = NULL
;
580 remove_symbol_holes();
583 /* resolve the imports for a Win32 module */
584 int resolve_imports( DLLSPEC
*spec
)
588 if (nb_undef_symbols
== -1) return 0; /* no symbol file specified */
590 add_extra_undef_symbols( spec
);
591 remove_ignored_symbols();
593 for (i
= 0; i
< nb_imports
; i
++)
595 struct import
*imp
= dll_imports
[i
];
597 for (j
= 0; j
< nb_undef_symbols
; j
++)
599 ORDDEF
*odp
= find_export( undef_symbols
[j
], imp
->exports
, imp
->nb_exports
);
602 add_import_func( imp
, odp
);
603 free( undef_symbols
[j
] );
604 undef_symbols
[j
] = NULL
;
607 /* remove all the holes in the undef symbols list */
608 if (!remove_symbol_holes() && check_unused( imp
, spec
))
610 /* the dll is not used, get rid of it */
611 warning( "%s imported but no symbols used\n", imp
->spec
->file_name
);
612 remove_import_dll( i
);
619 /* output the import table of a Win32 module */
620 static int output_immediate_imports( FILE *outfile
)
623 int nb_imm
= nb_imports
- nb_delayed
;
625 if (!nb_imm
) goto done
;
627 /* main import header */
629 fprintf( outfile
, "\nstatic struct {\n" );
630 fprintf( outfile
, " struct {\n" );
631 fprintf( outfile
, " void *OriginalFirstThunk;\n" );
632 fprintf( outfile
, " unsigned int TimeDateStamp;\n" );
633 fprintf( outfile
, " unsigned int ForwarderChain;\n" );
634 fprintf( outfile
, " const char *Name;\n" );
635 fprintf( outfile
, " void *FirstThunk;\n" );
636 fprintf( outfile
, " } imp[%d];\n", nb_imm
+1 );
637 fprintf( outfile
, " const char *data[%d];\n",
638 total_imports
- total_delayed
+ nb_imm
);
639 fprintf( outfile
, "} imports = {\n {\n" );
643 for (i
= j
= 0; i
< nb_imports
; i
++)
645 if (dll_imports
[i
]->delay
) continue;
646 fprintf( outfile
, " { 0, 0, 0, \"%s\", &imports.data[%d] },\n",
647 dll_imports
[i
]->spec
->file_name
, j
);
648 j
+= dll_imports
[i
]->nb_imports
+ 1;
651 fprintf( outfile
, " { 0, 0, 0, 0, 0 },\n" );
652 fprintf( outfile
, " },\n {\n" );
654 /* list of imported functions */
656 for (i
= 0; i
< nb_imports
; i
++)
658 if (dll_imports
[i
]->delay
) continue;
659 fprintf( outfile
, " /* %s */\n", dll_imports
[i
]->spec
->file_name
);
660 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
662 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
663 if (!(odp
->flags
& FLAG_NONAME
))
665 unsigned short ord
= odp
->ordinal
;
666 fprintf( outfile
, " \"\\%03o\\%03o%s\",\n",
667 *(unsigned char *)&ord
, *((unsigned char *)&ord
+ 1), odp
->name
);
670 fprintf( outfile
, " (char *)%d,\n", odp
->ordinal
);
672 fprintf( outfile
, " 0,\n" );
674 fprintf( outfile
, " }\n};\n\n" );
676 /* thunks for imported functions */
678 fprintf( outfile
, "#ifndef __GNUC__\nstatic void __asm__dummy_import(void) {\n#endif\n\n" );
679 pos
= 20 * (nb_imm
+ 1); /* offset of imports.data from start of imports */
680 fprintf( outfile
, "asm(\".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
681 for (i
= 0; i
< nb_imports
; i
++)
683 if (dll_imports
[i
]->delay
) continue;
684 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= 4)
686 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
687 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
688 fprintf( outfile
, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name
);
689 fprintf( outfile
, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name
);
690 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\\t", name
);
692 #if defined(__i386__)
693 if (strstr( name
, "__wine_call_from_16" ))
694 fprintf( outfile
, ".byte 0x2e\\n\\tjmp *(imports+%d)\\n\\tnop\\n", pos
);
696 fprintf( outfile
, "jmp *(imports+%d)\\n\\tmovl %%esi,%%esi\\n", pos
);
697 #elif defined(__sparc__)
700 fprintf( outfile
, "sethi %%hi(imports+%d), %%g1\\n\\t", pos
);
701 fprintf( outfile
, "ld [%%g1+%%lo(imports+%d)], %%g1\\n\\t", pos
);
702 fprintf( outfile
, "jmp %%g1\\n\\tnop\\n" );
706 /* Hmpf. Stupid sparc assembler always interprets global variable
707 names as GOT offsets, so we have to do it the long way ... */
708 fprintf( outfile
, "save %%sp, -96, %%sp\\n" );
709 fprintf( outfile
, "0:\\tcall 1f\\n\\tnop\\n" );
710 fprintf( outfile
, "1:\\tsethi %%hi(imports+%d-0b), %%g1\\n\\t", pos
);
711 fprintf( outfile
, "or %%g1, %%lo(imports+%d-0b), %%g1\\n\\t", pos
);
712 fprintf( outfile
, "ld [%%g1+%%o7], %%g1\\n\\t" );
713 fprintf( outfile
, "jmp %%g1\\n\\trestore\\n" );
716 #elif defined(__powerpc__)
717 fprintf(outfile
, "\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
718 fprintf(outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
719 fprintf(outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
720 fprintf(outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
721 fprintf(outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
722 fprintf(outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
724 fprintf(outfile
, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("imports") "+ %d") "\\n\"\n", ppc_reg
[9], pos
);
725 fprintf(outfile
, "\t\"\\tla %s, " ppc_low (__ASM_NAME("imports") "+ %d") "(%s)\\n\"\n", ppc_reg
[8], pos
, ppc_reg
[9]);
726 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[8]);
727 fprintf(outfile
, "\t\"\\tmtctr %s\\n\"\n", ppc_reg
[7]);
729 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
730 fprintf(outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
731 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
732 fprintf(outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
733 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
734 fprintf(outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
735 fprintf(outfile
, "\t\"\\tbctr\\n");
737 #error You need to define import thunks for your architecture!
739 fprintf( outfile
, "\"\n" );
743 fprintf( outfile
, "\".text\");\n#ifndef __GNUC__\n}\n#endif\n\n" );
749 /* output the delayed import table of a Win32 module */
750 static int output_delayed_imports( FILE *outfile
, const DLLSPEC
*spec
)
754 if (!nb_delayed
) goto done
;
756 for (i
= 0; i
< nb_imports
; i
++)
758 if (!dll_imports
[i
]->delay
) continue;
759 fprintf( outfile
, "static void *__wine_delay_imp_%d_hmod;\n", i
);
760 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
762 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
763 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
764 fprintf( outfile
, "void __wine_delay_imp_%d_%s();\n", i
, name
);
767 fprintf( outfile
, "\n" );
768 fprintf( outfile
, "static struct {\n" );
769 fprintf( outfile
, " struct ImgDelayDescr {\n" );
770 fprintf( outfile
, " unsigned int grAttrs;\n" );
771 fprintf( outfile
, " const char *szName;\n" );
772 fprintf( outfile
, " void **phmod;\n" );
773 fprintf( outfile
, " void **pIAT;\n" );
774 fprintf( outfile
, " const char **pINT;\n" );
775 fprintf( outfile
, " void* pBoundIAT;\n" );
776 fprintf( outfile
, " void* pUnloadIAT;\n" );
777 fprintf( outfile
, " unsigned long dwTimeStamp;\n" );
778 fprintf( outfile
, " } imp[%d];\n", nb_delayed
);
779 fprintf( outfile
, " void *IAT[%d];\n", total_delayed
);
780 fprintf( outfile
, " const char *INT[%d];\n", total_delayed
);
781 fprintf( outfile
, "} delay_imports = {\n" );
782 fprintf( outfile
, " {\n" );
783 for (i
= j
= 0; i
< nb_imports
; i
++)
785 if (!dll_imports
[i
]->delay
) continue;
786 fprintf( outfile
, " { 0, \"%s\", &__wine_delay_imp_%d_hmod, &delay_imports.IAT[%d], &delay_imports.INT[%d], 0, 0, 0 },\n",
787 dll_imports
[i
]->spec
->file_name
, i
, j
, j
);
788 j
+= dll_imports
[i
]->nb_imports
;
790 fprintf( outfile
, " },\n {\n" );
791 for (i
= 0; i
< nb_imports
; i
++)
793 if (!dll_imports
[i
]->delay
) continue;
794 fprintf( outfile
, " /* %s */\n", dll_imports
[i
]->spec
->file_name
);
795 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
797 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
798 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
799 fprintf( outfile
, " &__wine_delay_imp_%d_%s,\n", i
, name
);
802 fprintf( outfile
, " },\n {\n" );
803 for (i
= 0; i
< nb_imports
; i
++)
805 if (!dll_imports
[i
]->delay
) continue;
806 fprintf( outfile
, " /* %s */\n", dll_imports
[i
]->spec
->file_name
);
807 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
809 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
811 fprintf( outfile
, " (char *)%d,\n", odp
->ordinal
);
813 fprintf( outfile
, " \"%s\",\n", odp
->name
);
816 fprintf( outfile
, " }\n};\n\n" );
818 /* check if there's some stub defined. if so, exception struct
819 * is already defined, so don't emit it twice
821 for (i
= 0; i
< spec
->nb_entry_points
; i
++) if (spec
->entry_points
[i
].type
== TYPE_STUB
) break;
823 if (i
== spec
->nb_entry_points
) {
824 fprintf( outfile
, "struct exc_record {\n" );
825 fprintf( outfile
, " unsigned int code, flags;\n" );
826 fprintf( outfile
, " void *rec, *addr;\n" );
827 fprintf( outfile
, " unsigned int params;\n" );
828 fprintf( outfile
, " const void *info[15];\n" );
829 fprintf( outfile
, "};\n\n" );
830 fprintf( outfile
, "extern void __stdcall RtlRaiseException( struct exc_record * );\n" );
833 fprintf( outfile
, "extern void * __stdcall LoadLibraryA(const char*);\n");
834 fprintf( outfile
, "extern void * __stdcall GetProcAddress(void *, const char*);\n");
835 fprintf( outfile
, "\n" );
837 fprintf( outfile
, "void *__stdcall __wine_delay_load( int idx_nr )\n" );
838 fprintf( outfile
, "{\n" );
839 fprintf( outfile
, " int idx = idx_nr >> 16, nr = idx_nr & 0xffff;\n" );
840 fprintf( outfile
, " struct ImgDelayDescr *imd = delay_imports.imp + idx;\n" );
841 fprintf( outfile
, " void **pIAT = imd->pIAT + nr;\n" );
842 fprintf( outfile
, " const char** pINT = imd->pINT + nr;\n" );
843 fprintf( outfile
, " void *fn;\n\n" );
845 fprintf( outfile
, " if (!*imd->phmod) *imd->phmod = LoadLibraryA(imd->szName);\n" );
846 fprintf( outfile
, " if (*imd->phmod && (fn = GetProcAddress(*imd->phmod, *pINT)))\n");
847 fprintf( outfile
, " /* patch IAT with final value */\n" );
848 fprintf( outfile
, " return *pIAT = fn;\n" );
849 fprintf( outfile
, " else {\n");
850 fprintf( outfile
, " struct exc_record rec;\n" );
851 fprintf( outfile
, " rec.code = 0x80000100;\n" );
852 fprintf( outfile
, " rec.flags = 1;\n" );
853 fprintf( outfile
, " rec.rec = 0;\n" );
854 fprintf( outfile
, " rec.params = 2;\n" );
855 fprintf( outfile
, " rec.info[0] = imd->szName;\n" );
856 fprintf( outfile
, " rec.info[1] = *pINT;\n" );
857 fprintf( outfile
, "#ifdef __GNUC__\n" );
858 fprintf( outfile
, " rec.addr = __builtin_return_address(1);\n" );
859 fprintf( outfile
, "#else\n" );
860 fprintf( outfile
, " rec.addr = 0;\n" );
861 fprintf( outfile
, "#endif\n" );
862 fprintf( outfile
, " for (;;) RtlRaiseException( &rec );\n" );
863 fprintf( outfile
, " return 0; /* shouldn't go here */\n" );
864 fprintf( outfile
, " }\n}\n\n" );
866 fprintf( outfile
, "#ifndef __GNUC__\n" );
867 fprintf( outfile
, "static void __asm__dummy_delay_import(void) {\n" );
868 fprintf( outfile
, "#endif\n" );
870 fprintf( outfile
, "asm(\".align %d\\n\"\n", get_alignment(8) );
871 fprintf( outfile
, " \"\\t" __ASM_FUNC("__wine_delay_load_asm") "\\n\"\n" );
872 fprintf( outfile
, " \"" __ASM_NAME("__wine_delay_load_asm") ":\\n\"\n" );
873 #if defined(__i386__)
874 fprintf( outfile
, " \"\\tpushl %%ecx\\n\\tpushl %%edx\\n\\tpushl %%eax\\n\"\n" );
875 fprintf( outfile
, " \"\\tcall __wine_delay_load\\n\"\n" );
876 fprintf( outfile
, " \"\\tpopl %%edx\\n\\tpopl %%ecx\\n\\tjmp *%%eax\\n\"\n" );
877 #elif defined(__sparc__)
878 fprintf( outfile
, " \"\\tsave %%sp, -96, %%sp\\n\"\n" );
879 fprintf( outfile
, " \"\\tcall __wine_delay_load\\n\"\n" );
880 fprintf( outfile
, " \"\\tmov %%g1, %%o0\\n\"\n" );
881 fprintf( outfile
, " \"\\tjmp %%o0\\n\\trestore\\n\"\n" );
882 #elif defined(__powerpc__)
883 /* Save all callee saved registers into a stackframe. */
884 fprintf( outfile
, " \"\\tstwu %s, -48(%s)\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
885 fprintf( outfile
, " \"\\tstw %s, 4(%s)\\n\"\n", ppc_reg
[3], ppc_reg
[1]);
886 fprintf( outfile
, " \"\\tstw %s, 8(%s)\\n\"\n", ppc_reg
[4], ppc_reg
[1]);
887 fprintf( outfile
, " \"\\tstw %s, 12(%s)\\n\"\n", ppc_reg
[5], ppc_reg
[1]);
888 fprintf( outfile
, " \"\\tstw %s, 16(%s)\\n\"\n", ppc_reg
[6], ppc_reg
[1]);
889 fprintf( outfile
, " \"\\tstw %s, 20(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
890 fprintf( outfile
, " \"\\tstw %s, 24(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
891 fprintf( outfile
, " \"\\tstw %s, 28(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
892 fprintf( outfile
, " \"\\tstw %s, 32(%s)\\n\"\n", ppc_reg
[10], ppc_reg
[1]);
893 fprintf( outfile
, " \"\\tstw %s, 36(%s)\\n\"\n", ppc_reg
[11], ppc_reg
[1]);
894 fprintf( outfile
, " \"\\tstw %s, 40(%s)\\n\"\n", ppc_reg
[12], ppc_reg
[1]);
896 /* r0 -> r3 (arg1) */
897 fprintf( outfile
, " \"\\tmr %s, %s\\n\"\n", ppc_reg
[3], ppc_reg
[0]);
899 /* save return address */
900 fprintf( outfile
, " \"\\tmflr %s\\n\"\n", ppc_reg
[0]);
901 fprintf( outfile
, " \"\\tstw %s, 44(%s)\\n\"\n", ppc_reg
[0], ppc_reg
[1]);
903 /* Call the __wine_delay_load function, arg1 is arg1. */
904 fprintf( outfile
, " \"\\tbl " __ASM_NAME("__wine_delay_load") "\\n\"\n");
906 /* Load return value from call into ctr register */
907 fprintf( outfile
, " \"\\tmtctr %s\\n\"\n", ppc_reg
[3]);
909 /* restore all saved registers and drop stackframe. */
910 fprintf( outfile
, " \"\\tlwz %s, 4(%s)\\n\"\n", ppc_reg
[3], ppc_reg
[1]);
911 fprintf( outfile
, " \"\\tlwz %s, 8(%s)\\n\"\n", ppc_reg
[4], ppc_reg
[1]);
912 fprintf( outfile
, " \"\\tlwz %s, 12(%s)\\n\"\n", ppc_reg
[5], ppc_reg
[1]);
913 fprintf( outfile
, " \"\\tlwz %s, 16(%s)\\n\"\n", ppc_reg
[6], ppc_reg
[1]);
914 fprintf( outfile
, " \"\\tlwz %s, 20(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
915 fprintf( outfile
, " \"\\tlwz %s, 24(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
916 fprintf( outfile
, " \"\\tlwz %s, 28(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
917 fprintf( outfile
, " \"\\tlwz %s, 32(%s)\\n\"\n", ppc_reg
[10], ppc_reg
[1]);
918 fprintf( outfile
, " \"\\tlwz %s, 36(%s)\\n\"\n", ppc_reg
[11], ppc_reg
[1]);
919 fprintf( outfile
, " \"\\tlwz %s, 40(%s)\\n\"\n", ppc_reg
[12], ppc_reg
[1]);
921 /* Load return value from call into return register */
922 fprintf( outfile
, " \"\\tlwz %s, 44(%s)\\n\"\n", ppc_reg
[0], ppc_reg
[1]);
923 fprintf( outfile
, " \"\\tmtlr %s\\n\"\n", ppc_reg
[0]);
924 fprintf( outfile
, " \"\\taddi %s, %s, 48\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
926 /* branch to ctr register. */
927 fprintf( outfile
, "\"bctr\\n\"\n");
929 #error You need to defined delayed import thunks for your architecture!
932 for (i
= idx
= 0; i
< nb_imports
; i
++)
934 if (!dll_imports
[i
]->delay
) continue;
935 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
938 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
939 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
941 sprintf( buffer
, "__wine_delay_imp_%d_%s", i
, name
);
942 fprintf( outfile
, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer
);
943 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\"\n", buffer
);
944 #if defined(__i386__)
945 fprintf( outfile
, " \"\\tmovl $%d, %%eax\\n\"\n", (idx
<< 16) | j
);
946 fprintf( outfile
, " \"\\tjmp __wine_delay_load_asm\\n\"\n" );
947 #elif defined(__sparc__)
948 fprintf( outfile
, " \"\\tset %d, %%g1\\n\"\n", (idx
<< 16) | j
);
949 fprintf( outfile
, " \"\\tb,a __wine_delay_load_asm\\n\"\n" );
950 #elif defined(__powerpc__)
951 /* g0 is a function scratch register or so I understand. */
952 /* First load the upper half-word, and then the lower part */
953 fprintf( outfile
, " \"\\tlis %s, %d\\n\"\n", ppc_reg
[0], idx
);
954 fprintf( outfile
, " \"\\tli %s, %d\\n\"\n", ppc_reg
[0], j
);
955 fprintf( outfile
, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
957 #error You need to defined delayed import thunks for your architecture!
963 fprintf( outfile
, "\n \".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
964 pos
= nb_delayed
* 32;
965 for (i
= 0; i
< nb_imports
; i
++)
967 if (!dll_imports
[i
]->delay
) continue;
968 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= 4)
970 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
971 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
973 fprintf( outfile
, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name
);
974 fprintf( outfile
, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name
);
975 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\\t\"", name
);
976 #if defined(__i386__)
977 if (strstr( name
, "__wine_call_from_16" ))
978 fprintf( outfile
, "\".byte 0x2e\\n\\tjmp *(delay_imports+%d)\\n\\tnop\\n\"", pos
);
980 fprintf( outfile
, "\"jmp *(delay_imports+%d)\\n\\tmovl %%esi,%%esi\\n\"", pos
);
981 #elif defined(__sparc__)
984 fprintf( outfile
, "\"sethi %%hi(delay_imports+%d), %%g1\\n\\t\"", pos
);
985 fprintf( outfile
, "\"ld [%%g1+%%lo(delay_imports+%d)], %%g1\\n\\t\"", pos
);
986 fprintf( outfile
, "\"jmp %%g1\\n\\tnop\\n\"" );
990 /* Hmpf. Stupid sparc assembler always interprets global variable
991 names as GOT offsets, so we have to do it the long way ... */
992 fprintf( outfile
, "\"save %%sp, -96, %%sp\\n\"" );
993 fprintf( outfile
, "\"0:\\tcall 1f\\n\\tnop\\n\"" );
994 fprintf( outfile
, "\"1:\\tsethi %%hi(delay_imports+%d-0b), %%g1\\n\\t\"", pos
);
995 fprintf( outfile
, "\"or %%g1, %%lo(delay_imports+%d-0b), %%g1\\n\\t\"", pos
);
996 fprintf( outfile
, "\"ld [%%g1+%%o7], %%g1\\n\\t\"" );
997 fprintf( outfile
, "\"jmp %%g1\\n\\trestore\\n\"" );
1000 #elif defined(__powerpc__)
1001 fprintf( outfile
, "\t\"addi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1002 fprintf( outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
1003 fprintf( outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1004 fprintf( outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
1005 fprintf( outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1006 fprintf( outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
1007 fprintf( outfile
, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("imports") "+ %d") "\\n\"\n", ppc_reg
[9], pos
);
1008 fprintf( outfile
, "\t\"\\tla %s, " ppc_low (__ASM_NAME("imports") "+ %d") "(%s)\\n\"\n", ppc_reg
[8], pos
, ppc_reg
[9]);
1009 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[8]);
1010 fprintf( outfile
, "\t\"\\tmtctr %s\\n\"\n", ppc_reg
[7]);
1012 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
1013 fprintf( outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1014 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
1015 fprintf( outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1016 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
1017 fprintf( outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1018 fprintf( outfile
, "\t\"\\tbctr\\n\"");
1020 #error You need to define delayed import thunks for your architecture!
1022 fprintf( outfile
, "\n" );
1025 fprintf( outfile
, "\".text\");\n" );
1026 fprintf( outfile
, "#ifndef __GNUC__\n" );
1027 fprintf( outfile
, "}\n" );
1028 fprintf( outfile
, "#endif\n" );
1029 fprintf( outfile
, "\n" );
1035 /* output the import and delayed import tables of a Win32 module
1036 * returns number of DLLs exported in 'immediate' mode
1038 int output_imports( FILE *outfile
, DLLSPEC
*spec
)
1040 output_delayed_imports( outfile
, spec
);
1041 return output_immediate_imports( outfile
);