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( *(const char* const *)name
, *(const char* const *)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
* const *)func1
;
143 const ORDDEF
*odp2
= *(const ORDDEF
* const *)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 inline static void output_function_size( FILE *outfile
, const char *name
)
181 #ifdef HAVE_ASM_DOT_SIZE
182 fprintf( outfile
, " \"\\t.size " __ASM_NAME("%s") ", . - " __ASM_NAME("%s") "\\n\"\n", name
, name
);
186 /* free an import structure */
187 static void free_imports( struct import
*imp
)
189 free( imp
->exports
);
190 free( imp
->imports
);
191 free_dll_spec( imp
->spec
);
195 /* remove the temp file at exit */
196 static void remove_ld_tmp_file(void)
198 if (ld_tmp_file
) unlink( ld_tmp_file
);
201 /* check whether a given dll has already been imported */
202 static int is_already_imported( const char *name
)
206 for (i
= 0; i
< nb_imports
; i
++)
208 if (!strcmp( dll_imports
[i
]->spec
->file_name
, name
)) return 1;
213 /* open the .so library for a given dll in a specified path */
214 static char *try_library_path( const char *path
, const char *name
)
219 buffer
= xmalloc( strlen(path
) + strlen(name
) + 9 );
220 sprintf( buffer
, "%s/lib%s.def", path
, name
);
222 /* check if the file exists */
223 if ((fd
= open( buffer
, O_RDONLY
)) != -1)
232 /* open the .so library for a given dll */
233 static char *open_library( const char *name
)
238 for (i
= 0; i
< nb_lib_paths
; i
++)
240 if ((fullname
= try_library_path( lib_path
[i
], name
))) return fullname
;
242 fatal_error( "could not open .def file for %s\n", name
);
246 /* read in the list of exported symbols of an import library */
247 static int read_import_lib( const char *name
, struct import
*imp
)
252 DLLSPEC
*spec
= imp
->spec
;
257 fullname
= open_library( name
);
258 f
= open_input_file( NULL
, fullname
);
261 ret
= parse_def_file( f
, spec
);
262 close_input_file( f
);
264 if (is_already_imported( spec
->file_name
)) return 0;
266 imp
->exports
= xmalloc( spec
->nb_entry_points
* sizeof(*imp
->exports
) );
268 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
270 ORDDEF
*odp
= &spec
->entry_points
[i
];
272 if (odp
->type
!= TYPE_STDCALL
&& odp
->type
!= TYPE_CDECL
) continue;
273 if (odp
->flags
& FLAG_PRIVATE
) continue;
274 imp
->exports
[imp
->nb_exports
++] = odp
;
276 imp
->exports
= xrealloc( imp
->exports
, imp
->nb_exports
* sizeof(*imp
->exports
) );
278 qsort( imp
->exports
, imp
->nb_exports
, sizeof(*imp
->exports
), func_cmp
);
282 /* add a dll to the list of imports */
283 void add_import_dll( const char *name
, int delay
)
288 fullname
= xmalloc( strlen(name
) + 5 );
289 strcpy( fullname
, name
);
290 if (!strchr( fullname
, '.' )) strcat( fullname
, ".dll" );
292 /* check if we already imported it */
293 if (is_already_imported( fullname
))
299 imp
= xmalloc( sizeof(*imp
) );
300 imp
->spec
= alloc_dll_spec();
301 imp
->spec
->file_name
= fullname
;
305 if (delay
) nb_delayed
++;
307 if (read_import_lib( name
, imp
))
309 dll_imports
= xrealloc( dll_imports
, (nb_imports
+1) * sizeof(*dll_imports
) );
310 dll_imports
[nb_imports
++] = imp
;
315 if (nb_errors
) exit(1);
319 /* remove an imported dll, based on its index in the dll_imports array */
320 static void remove_import_dll( int index
)
322 struct import
*imp
= dll_imports
[index
];
324 memmove( &dll_imports
[index
], &dll_imports
[index
+1], sizeof(imp
) * (nb_imports
- index
- 1) );
326 if (imp
->delay
) nb_delayed
--;
330 /* initialize the list of ignored symbols */
331 static void init_ignored_symbols(void)
335 nb_ignore_symbols
= sizeof(default_ignored_symbols
)/sizeof(default_ignored_symbols
[0]);
336 ignore_size
= nb_ignore_symbols
+ 32;
337 ignore_symbols
= xmalloc( ignore_size
* sizeof(*ignore_symbols
) );
338 for (i
= 0; i
< nb_ignore_symbols
; i
++)
339 ignore_symbols
[i
] = xstrdup( default_ignored_symbols
[i
] );
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 (!ignore_symbols
) init_ignored_symbols(); /* first time around, fill list with defaults */
350 if (name
[0] == '-') /* remove it */
352 if (!name
[1]) /* remove everything */
354 for (i
= 0; i
< nb_ignore_symbols
; i
++) free( ignore_symbols
[i
] );
355 nb_ignore_symbols
= 0;
359 for (i
= 0; i
< nb_ignore_symbols
; i
++)
361 if (!strcmp( ignore_symbols
[i
], name
+1 ))
363 free( ignore_symbols
[i
] );
364 memmove( &ignore_symbols
[i
], &ignore_symbols
[i
+1], nb_ignore_symbols
- i
- 1 );
372 if (nb_ignore_symbols
== ignore_size
)
375 ignore_symbols
= xrealloc( ignore_symbols
, ignore_size
* sizeof(*ignore_symbols
) );
377 ignore_symbols
[nb_ignore_symbols
++] = xstrdup( name
);
381 /* add a function to the list of imports from a given dll */
382 static void add_import_func( struct import
*imp
, ORDDEF
*func
)
384 imp
->imports
= xrealloc( imp
->imports
, (imp
->nb_imports
+1) * sizeof(*imp
->imports
) );
385 imp
->imports
[imp
->nb_imports
++] = func
;
387 if (imp
->delay
) total_delayed
++;
390 /* add a symbol to the undef list */
391 inline static void add_undef_symbol( const char *name
)
393 if (nb_undef_symbols
== undef_size
)
396 undef_symbols
= xrealloc( undef_symbols
, undef_size
* sizeof(*undef_symbols
) );
398 undef_symbols
[nb_undef_symbols
++] = xstrdup( name
);
401 /* remove all the holes in the undefined symbol list; return the number of removed symbols */
402 static int remove_symbol_holes(void)
405 for (i
= off
= 0; i
< nb_undef_symbols
; i
++)
407 if (!undef_symbols
[i
]) off
++;
408 else undef_symbols
[i
- off
] = undef_symbols
[i
];
410 nb_undef_symbols
-= off
;
414 /* add a symbol to the extra list, but only if needed */
415 static int add_extra_symbol( const char **extras
, int *count
, const char *name
, const DLLSPEC
*spec
)
419 if (!find_symbol( name
, undef_symbols
, nb_undef_symbols
))
421 /* check if the symbol is being exported by this dll */
422 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
424 ORDDEF
*odp
= &spec
->entry_points
[i
];
425 if (odp
->type
== TYPE_STDCALL
||
426 odp
->type
== TYPE_CDECL
||
427 odp
->type
== TYPE_VARARGS
||
428 odp
->type
== TYPE_EXTERN
)
430 if (odp
->name
&& !strcmp( odp
->name
, name
)) return 0;
433 extras
[*count
] = name
;
439 /* add the extra undefined symbols that will be contained in the generated spec file itself */
440 static void add_extra_undef_symbols( const DLLSPEC
*spec
)
442 const char *extras
[10];
443 int i
, count
= 0, nb_stubs
= 0, nb_regs
= 0;
444 int kernel_imports
= 0, ntdll_imports
= 0;
446 sort_symbols( undef_symbols
, nb_undef_symbols
);
448 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
450 ORDDEF
*odp
= &spec
->entry_points
[i
];
451 if (odp
->type
== TYPE_STUB
) nb_stubs
++;
452 if (odp
->flags
& FLAG_REGISTER
) nb_regs
++;
455 /* add symbols that will be contained in the spec file itself */
456 if (!(spec
->characteristics
& IMAGE_FILE_DLL
))
458 switch (spec
->subsystem
)
460 case IMAGE_SUBSYSTEM_WINDOWS_GUI
:
461 case IMAGE_SUBSYSTEM_WINDOWS_CUI
:
462 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetCommandLineA", spec
);
463 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetStartupInfoA", spec
);
464 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetModuleHandleA", spec
);
465 kernel_imports
+= add_extra_symbol( extras
, &count
, "ExitProcess", spec
);
471 kernel_imports
+= add_extra_symbol( extras
, &count
, "LoadLibraryA", spec
);
472 kernel_imports
+= add_extra_symbol( extras
, &count
, "GetProcAddress", spec
);
475 ntdll_imports
+= add_extra_symbol( extras
, &count
, "__wine_call_from_32_regs", spec
);
476 if (nb_delayed
|| nb_stubs
)
477 ntdll_imports
+= add_extra_symbol( extras
, &count
, "RtlRaiseException", spec
);
479 /* make sure we import the dlls that contain these functions */
480 if (kernel_imports
) add_import_dll( "kernel32", 0 );
481 if (ntdll_imports
) add_import_dll( "ntdll", 0 );
485 for (i
= 0; i
< count
; i
++) add_undef_symbol( extras
[i
] );
486 sort_symbols( undef_symbols
, nb_undef_symbols
);
490 /* check if a given imported dll is not needed, taking forwards into account */
491 static int check_unused( const struct import
* imp
, const DLLSPEC
*spec
)
494 const char *file_name
= imp
->spec
->file_name
;
495 size_t len
= strlen( file_name
);
496 const char *p
= strchr( file_name
, '.' );
497 if (p
&& !strcasecmp( p
, ".dll" )) len
= p
- file_name
;
499 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
501 ORDDEF
*odp
= spec
->ordinals
[i
];
502 if (!odp
|| !(odp
->flags
& FLAG_FORWARD
)) continue;
503 if (!strncasecmp( odp
->link_name
, file_name
, len
) &&
504 odp
->link_name
[len
] == '.')
505 return 0; /* found a forward, it is used */
510 /* combine a list of object files with ld into a single object file */
511 /* returns the name of the combined file */
512 static const char *ldcombine_files( char **argv
)
518 if (output_file_name
&& output_file_name
[0])
520 ld_tmp_file
= xmalloc( strlen(output_file_name
) + 10 );
521 strcpy( ld_tmp_file
, output_file_name
);
522 strcat( ld_tmp_file
, ".XXXXXX.o" );
524 else ld_tmp_file
= xstrdup( "/tmp/winebuild.tmp.XXXXXX.o" );
526 if ((fd
= mkstemps( ld_tmp_file
, 2 ) == -1)) fatal_error( "could not generate a temp file\n" );
528 atexit( remove_ld_tmp_file
);
530 ldcmd
= getenv("LD");
531 if (!ldcmd
) ldcmd
= "ld";
532 for (i
= 0; argv
[i
]; i
++) len
+= strlen(argv
[i
]) + 1;
533 cmd
= xmalloc( len
+ strlen(ld_tmp_file
) + 8 + strlen(ldcmd
) );
534 sprintf( cmd
, "%s -r -o %s", ldcmd
, ld_tmp_file
);
535 for (i
= 0; argv
[i
]; i
++) sprintf( cmd
+ strlen(cmd
), " %s", argv
[i
] );
537 if (err
) fatal_error( "ld -r failed with status %d\n", err
);
542 /* read in the list of undefined symbols */
543 void read_undef_symbols( char **argv
)
545 static const char name_prefix
[] = __ASM_NAME("");
546 static const int prefix_len
= sizeof(name_prefix
) - 1;
552 if (!argv
[0]) return;
554 undef_size
= nb_undef_symbols
= 0;
556 /* if we have multiple object files, link them together */
557 if (argv
[1]) name
= ldcombine_files( argv
);
560 sprintf( buffer
, "nm -u %s", name
);
561 if (!(f
= popen( buffer
, "r" )))
562 fatal_error( "Cannot execute '%s'\n", buffer
);
564 while (fgets( buffer
, sizeof(buffer
), f
))
566 char *p
= buffer
+ strlen(buffer
) - 1;
567 if (p
< buffer
) continue;
568 if (*p
== '\n') *p
-- = 0;
570 while (*p
== ' ') p
++;
571 if (p
[0] == 'U' && p
[1] == ' ' && p
[2]) p
+= 2;
572 if (prefix_len
&& !strncmp( p
, name_prefix
, prefix_len
)) p
+= prefix_len
;
573 add_undef_symbol( p
);
575 if ((err
= pclose( f
))) warning( "nm -u %s error %d\n", name
, err
);
578 static void remove_ignored_symbols(void)
582 if (!ignore_symbols
) init_ignored_symbols();
583 sort_symbols( ignore_symbols
, nb_ignore_symbols
);
584 for (i
= 0; i
< nb_undef_symbols
; i
++)
586 if (find_symbol( undef_symbols
[i
], ignore_symbols
, nb_ignore_symbols
))
588 free( undef_symbols
[i
] );
589 undef_symbols
[i
] = NULL
;
592 remove_symbol_holes();
595 /* resolve the imports for a Win32 module */
596 int resolve_imports( DLLSPEC
*spec
)
600 if (nb_undef_symbols
== -1) return 0; /* no symbol file specified */
602 add_extra_undef_symbols( spec
);
603 remove_ignored_symbols();
605 for (i
= 0; i
< nb_imports
; i
++)
607 struct import
*imp
= dll_imports
[i
];
609 for (j
= 0; j
< nb_undef_symbols
; j
++)
611 ORDDEF
*odp
= find_export( undef_symbols
[j
], imp
->exports
, imp
->nb_exports
);
614 add_import_func( imp
, odp
);
615 free( undef_symbols
[j
] );
616 undef_symbols
[j
] = NULL
;
619 /* remove all the holes in the undef symbols list */
620 if (!remove_symbol_holes() && check_unused( imp
, spec
))
622 /* the dll is not used, get rid of it */
623 warning( "%s imported but no symbols used\n", imp
->spec
->file_name
);
624 remove_import_dll( i
);
631 /* output the import table of a Win32 module */
632 static int output_immediate_imports( FILE *outfile
)
635 int nb_imm
= nb_imports
- nb_delayed
;
636 static const char import_thunks
[] = "__wine_spec_import_thunks";
638 if (!nb_imm
) goto done
;
640 /* main import header */
642 fprintf( outfile
, "\nstatic struct {\n" );
643 fprintf( outfile
, " struct {\n" );
644 fprintf( outfile
, " void *OriginalFirstThunk;\n" );
645 fprintf( outfile
, " unsigned int TimeDateStamp;\n" );
646 fprintf( outfile
, " unsigned int ForwarderChain;\n" );
647 fprintf( outfile
, " const char *Name;\n" );
648 fprintf( outfile
, " void *FirstThunk;\n" );
649 fprintf( outfile
, " } imp[%d];\n", nb_imm
+1 );
650 fprintf( outfile
, " const char *data[%d];\n",
651 total_imports
- total_delayed
+ nb_imm
);
652 fprintf( outfile
, "} imports = {\n {\n" );
656 for (i
= j
= 0; i
< nb_imports
; i
++)
658 if (dll_imports
[i
]->delay
) continue;
659 fprintf( outfile
, " { 0, 0, 0, \"%s\", &imports.data[%d] },\n",
660 dll_imports
[i
]->spec
->file_name
, j
);
661 j
+= dll_imports
[i
]->nb_imports
+ 1;
664 fprintf( outfile
, " { 0, 0, 0, 0, 0 },\n" );
665 fprintf( outfile
, " },\n {\n" );
667 /* list of imported functions */
669 for (i
= 0; i
< nb_imports
; i
++)
671 if (dll_imports
[i
]->delay
) continue;
672 fprintf( outfile
, " /* %s */\n", dll_imports
[i
]->spec
->file_name
);
673 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
675 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
676 if (!(odp
->flags
& FLAG_NONAME
))
678 unsigned short ord
= odp
->ordinal
;
679 fprintf( outfile
, " \"\\%03o\\%03o%s\",\n",
680 *(unsigned char *)&ord
, *((unsigned char *)&ord
+ 1), odp
->name
);
683 fprintf( outfile
, " (char *)%d,\n", odp
->ordinal
);
685 fprintf( outfile
, " 0,\n" );
687 fprintf( outfile
, " }\n};\n\n" );
689 /* thunks for imported functions */
691 fprintf( outfile
, "#ifndef __GNUC__\nstatic void __asm__dummy_import(void) {\n#endif\n\n" );
692 pos
= 20 * (nb_imm
+ 1); /* offset of imports.data from start of imports */
693 fprintf( outfile
, "asm(\".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
694 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\"\n", import_thunks
);
696 for (i
= 0; i
< nb_imports
; i
++)
698 if (dll_imports
[i
]->delay
) continue;
699 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= 4)
701 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
702 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
703 fprintf( outfile
, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name
);
704 fprintf( outfile
, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name
);
705 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\\t", name
);
707 #if defined(__i386__)
708 if (strstr( name
, "__wine_call_from_16" ))
709 fprintf( outfile
, ".byte 0x2e\\n\\tjmp *(imports+%d)\\n\\tnop\\n", pos
);
711 fprintf( outfile
, "jmp *(imports+%d)\\n\\tmovl %%esi,%%esi\\n", pos
);
712 #elif defined(__sparc__)
715 fprintf( outfile
, "sethi %%hi(imports+%d), %%g1\\n\\t", pos
);
716 fprintf( outfile
, "ld [%%g1+%%lo(imports+%d)], %%g1\\n\\t", pos
);
717 fprintf( outfile
, "jmp %%g1\\n\\tnop\\n" );
721 /* Hmpf. Stupid sparc assembler always interprets global variable
722 names as GOT offsets, so we have to do it the long way ... */
723 fprintf( outfile
, "save %%sp, -96, %%sp\\n" );
724 fprintf( outfile
, "0:\\tcall 1f\\n\\tnop\\n" );
725 fprintf( outfile
, "1:\\tsethi %%hi(imports+%d-0b), %%g1\\n\\t", pos
);
726 fprintf( outfile
, "or %%g1, %%lo(imports+%d-0b), %%g1\\n\\t", pos
);
727 fprintf( outfile
, "ld [%%g1+%%o7], %%g1\\n\\t" );
728 fprintf( outfile
, "jmp %%g1\\n\\trestore\\n" );
731 #elif defined(__powerpc__)
732 fprintf(outfile
, "\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
733 fprintf(outfile
, "\t\"\\tstw %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\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
736 fprintf(outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
737 fprintf(outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
739 fprintf(outfile
, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("imports") "+ %d") "\\n\"\n", ppc_reg
[9], pos
);
740 fprintf(outfile
, "\t\"\\tla %s, " ppc_low (__ASM_NAME("imports") "+ %d") "(%s)\\n\"\n", ppc_reg
[8], pos
, ppc_reg
[9]);
741 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[8]);
742 fprintf(outfile
, "\t\"\\tmtctr %s\\n\"\n", ppc_reg
[7]);
744 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
745 fprintf(outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
746 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
747 fprintf(outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
748 fprintf(outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
749 fprintf(outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
750 fprintf(outfile
, "\t\"\\tbctr\\n");
752 #error You need to define import thunks for your architecture!
754 fprintf( outfile
, "\"\n" );
755 output_function_size( outfile
, name
);
759 output_function_size( outfile
, import_thunks
);
760 fprintf( outfile
, " \".text\");\n#ifndef __GNUC__\n}\n#endif\n\n" );
766 /* output the delayed import table of a Win32 module */
767 static int output_delayed_imports( FILE *outfile
, const DLLSPEC
*spec
)
770 static const char delayed_import_loaders
[] = "__wine_spec_delayed_import_loaders";
771 static const char delayed_import_thunks
[] = "__wine_spec_delayed_import_thunks";
773 if (!nb_delayed
) goto done
;
775 for (i
= 0; i
< nb_imports
; i
++)
777 if (!dll_imports
[i
]->delay
) continue;
778 fprintf( outfile
, "static void *__wine_delay_imp_%d_hmod;\n", i
);
779 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
781 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
782 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
783 fprintf( outfile
, "void __wine_delay_imp_%d_%s();\n", i
, name
);
786 fprintf( outfile
, "\n" );
787 fprintf( outfile
, "static struct {\n" );
788 fprintf( outfile
, " struct ImgDelayDescr {\n" );
789 fprintf( outfile
, " unsigned int grAttrs;\n" );
790 fprintf( outfile
, " const char *szName;\n" );
791 fprintf( outfile
, " void **phmod;\n" );
792 fprintf( outfile
, " void **pIAT;\n" );
793 fprintf( outfile
, " const char **pINT;\n" );
794 fprintf( outfile
, " void* pBoundIAT;\n" );
795 fprintf( outfile
, " void* pUnloadIAT;\n" );
796 fprintf( outfile
, " unsigned long dwTimeStamp;\n" );
797 fprintf( outfile
, " } imp[%d];\n", nb_delayed
);
798 fprintf( outfile
, " void *IAT[%d];\n", total_delayed
);
799 fprintf( outfile
, " const char *INT[%d];\n", total_delayed
);
800 fprintf( outfile
, "} delay_imports = {\n" );
801 fprintf( outfile
, " {\n" );
802 for (i
= j
= 0; i
< nb_imports
; i
++)
804 if (!dll_imports
[i
]->delay
) continue;
805 fprintf( outfile
, " { 0, \"%s\", &__wine_delay_imp_%d_hmod, &delay_imports.IAT[%d], &delay_imports.INT[%d], 0, 0, 0 },\n",
806 dll_imports
[i
]->spec
->file_name
, i
, j
, j
);
807 j
+= dll_imports
[i
]->nb_imports
;
809 fprintf( outfile
, " },\n {\n" );
810 for (i
= 0; i
< nb_imports
; i
++)
812 if (!dll_imports
[i
]->delay
) continue;
813 fprintf( outfile
, " /* %s */\n", dll_imports
[i
]->spec
->file_name
);
814 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
816 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
817 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
818 fprintf( outfile
, " &__wine_delay_imp_%d_%s,\n", i
, name
);
821 fprintf( outfile
, " },\n {\n" );
822 for (i
= 0; i
< nb_imports
; i
++)
824 if (!dll_imports
[i
]->delay
) continue;
825 fprintf( outfile
, " /* %s */\n", dll_imports
[i
]->spec
->file_name
);
826 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
828 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
830 fprintf( outfile
, " (char *)%d,\n", odp
->ordinal
);
832 fprintf( outfile
, " \"%s\",\n", odp
->name
);
835 fprintf( outfile
, " }\n};\n\n" );
837 /* check if there's some stub defined. if so, exception struct
838 * is already defined, so don't emit it twice
840 for (i
= 0; i
< spec
->nb_entry_points
; i
++) if (spec
->entry_points
[i
].type
== TYPE_STUB
) break;
842 if (i
== spec
->nb_entry_points
) {
843 fprintf( outfile
, "struct exc_record {\n" );
844 fprintf( outfile
, " unsigned int code, flags;\n" );
845 fprintf( outfile
, " void *rec, *addr;\n" );
846 fprintf( outfile
, " unsigned int params;\n" );
847 fprintf( outfile
, " const void *info[15];\n" );
848 fprintf( outfile
, "};\n\n" );
849 fprintf( outfile
, "extern void __stdcall RtlRaiseException( struct exc_record * );\n" );
852 fprintf( outfile
, "extern void * __stdcall LoadLibraryA(const char*);\n");
853 fprintf( outfile
, "extern void * __stdcall GetProcAddress(void *, const char*);\n");
854 fprintf( outfile
, "\n" );
856 fprintf( outfile
, "void *__stdcall __wine_delay_load( int idx_nr )\n" );
857 fprintf( outfile
, "{\n" );
858 fprintf( outfile
, " int idx = idx_nr >> 16, nr = idx_nr & 0xffff;\n" );
859 fprintf( outfile
, " struct ImgDelayDescr *imd = delay_imports.imp + idx;\n" );
860 fprintf( outfile
, " void **pIAT = imd->pIAT + nr;\n" );
861 fprintf( outfile
, " const char** pINT = imd->pINT + nr;\n" );
862 fprintf( outfile
, " void *fn;\n\n" );
864 fprintf( outfile
, " if (!*imd->phmod) *imd->phmod = LoadLibraryA(imd->szName);\n" );
865 fprintf( outfile
, " if (*imd->phmod && (fn = GetProcAddress(*imd->phmod, *pINT)))\n");
866 fprintf( outfile
, " /* patch IAT with final value */\n" );
867 fprintf( outfile
, " return *pIAT = fn;\n" );
868 fprintf( outfile
, " else {\n");
869 fprintf( outfile
, " struct exc_record rec;\n" );
870 fprintf( outfile
, " rec.code = 0x80000100;\n" );
871 fprintf( outfile
, " rec.flags = 1;\n" );
872 fprintf( outfile
, " rec.rec = 0;\n" );
873 fprintf( outfile
, " rec.params = 2;\n" );
874 fprintf( outfile
, " rec.info[0] = imd->szName;\n" );
875 fprintf( outfile
, " rec.info[1] = *pINT;\n" );
876 fprintf( outfile
, "#ifdef __GNUC__\n" );
877 fprintf( outfile
, " rec.addr = __builtin_return_address(1);\n" );
878 fprintf( outfile
, "#else\n" );
879 fprintf( outfile
, " rec.addr = 0;\n" );
880 fprintf( outfile
, "#endif\n" );
881 fprintf( outfile
, " for (;;) RtlRaiseException( &rec );\n" );
882 fprintf( outfile
, " return 0; /* shouldn't go here */\n" );
883 fprintf( outfile
, " }\n}\n\n" );
885 fprintf( outfile
, "#ifndef __GNUC__\n" );
886 fprintf( outfile
, "static void __asm__dummy_delay_import(void) {\n" );
887 fprintf( outfile
, "#endif\n" );
889 fprintf( outfile
, "asm(\".align %d\\n\"\n", get_alignment(8) );
890 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_loaders
);
891 fprintf( outfile
, " \"\\t" __ASM_FUNC("__wine_delay_load_asm") "\\n\"\n" );
892 fprintf( outfile
, " \"" __ASM_NAME("__wine_delay_load_asm") ":\\n\"\n" );
893 #if defined(__i386__)
894 fprintf( outfile
, " \"\\tpushl %%ecx\\n\\tpushl %%edx\\n\\tpushl %%eax\\n\"\n" );
895 fprintf( outfile
, " \"\\tcall __wine_delay_load\\n\"\n" );
896 fprintf( outfile
, " \"\\tpopl %%edx\\n\\tpopl %%ecx\\n\\tjmp *%%eax\\n\"\n" );
897 #elif defined(__sparc__)
898 fprintf( outfile
, " \"\\tsave %%sp, -96, %%sp\\n\"\n" );
899 fprintf( outfile
, " \"\\tcall __wine_delay_load\\n\"\n" );
900 fprintf( outfile
, " \"\\tmov %%g1, %%o0\\n\"\n" );
901 fprintf( outfile
, " \"\\tjmp %%o0\\n\\trestore\\n\"\n" );
902 #elif defined(__powerpc__)
903 # if defined(__APPLE__)
904 /* On darwin an extra 56 bytes must be allowed for the linkage area+param area */
905 # define extra_stack_storage 56
907 # define extra_stack_storage 0
909 /* Save all callee saved registers into a stackframe. */
910 fprintf( outfile
, " \"\\tstwu %s, -%d(%s)\\n\"\n",ppc_reg
[1], 48+extra_stack_storage
, ppc_reg
[1]);
911 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[3], 4+extra_stack_storage
, ppc_reg
[1]);
912 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[4], 8+extra_stack_storage
, ppc_reg
[1]);
913 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[5], 12+extra_stack_storage
, ppc_reg
[1]);
914 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[6], 16+extra_stack_storage
, ppc_reg
[1]);
915 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[7], 20+extra_stack_storage
, ppc_reg
[1]);
916 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[8], 24+extra_stack_storage
, ppc_reg
[1]);
917 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[9], 28+extra_stack_storage
, ppc_reg
[1]);
918 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[10],32+extra_stack_storage
, ppc_reg
[1]);
919 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[11],36+extra_stack_storage
, ppc_reg
[1]);
920 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[12],40+extra_stack_storage
, ppc_reg
[1]);
922 /* r0 -> r3 (arg1) */
923 fprintf( outfile
, " \"\\tmr %s, %s\\n\"\n", ppc_reg
[3], ppc_reg
[0]);
925 /* save return address */
926 fprintf( outfile
, " \"\\tmflr %s\\n\"\n", ppc_reg
[0]);
927 fprintf( outfile
, " \"\\tstw %s, %d(%s)\\n\"\n", ppc_reg
[0], 44+extra_stack_storage
, ppc_reg
[1]);
929 /* Call the __wine_delay_load function, arg1 is arg1. */
930 fprintf( outfile
, " \"\\tbl " __ASM_NAME("__wine_delay_load") "\\n\"\n");
932 /* Load return value from call into ctr register */
933 fprintf( outfile
, " \"\\tmtctr %s\\n\"\n", ppc_reg
[3]);
935 /* restore all saved registers and drop stackframe. */
936 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[3], 4+extra_stack_storage
, ppc_reg
[1]);
937 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[4], 8+extra_stack_storage
, ppc_reg
[1]);
938 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[5], 12+extra_stack_storage
, ppc_reg
[1]);
939 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[6], 16+extra_stack_storage
, ppc_reg
[1]);
940 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[7], 20+extra_stack_storage
, ppc_reg
[1]);
941 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[8], 24+extra_stack_storage
, ppc_reg
[1]);
942 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[9], 28+extra_stack_storage
, ppc_reg
[1]);
943 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[10],32+extra_stack_storage
, ppc_reg
[1]);
944 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[11],36+extra_stack_storage
, ppc_reg
[1]);
945 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[12],40+extra_stack_storage
, ppc_reg
[1]);
947 /* Load return value from call into return register */
948 fprintf( outfile
, " \"\\tlwz %s, %d(%s)\\n\"\n", ppc_reg
[0], 44+extra_stack_storage
, ppc_reg
[1]);
949 fprintf( outfile
, " \"\\tmtlr %s\\n\"\n", ppc_reg
[0]);
950 fprintf( outfile
, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg
[1], ppc_reg
[1], 48+extra_stack_storage
);
952 /* branch to ctr register. */
953 fprintf( outfile
, " \"bctr\\n\"\n");
955 #error You need to defined delayed import thunks for your architecture!
957 output_function_size( outfile
, "__wine_delay_load_asm" );
959 for (i
= idx
= 0; i
< nb_imports
; i
++)
961 if (!dll_imports
[i
]->delay
) continue;
962 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
965 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
966 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
968 sprintf( buffer
, "__wine_delay_imp_%d_%s", i
, name
);
969 fprintf( outfile
, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", buffer
);
970 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\"\n", buffer
);
971 #if defined(__i386__)
972 fprintf( outfile
, " \"\\tmovl $%d, %%eax\\n\"\n", (idx
<< 16) | j
);
973 fprintf( outfile
, " \"\\tjmp __wine_delay_load_asm\\n\"\n" );
974 #elif defined(__sparc__)
975 fprintf( outfile
, " \"\\tset %d, %%g1\\n\"\n", (idx
<< 16) | j
);
976 fprintf( outfile
, " \"\\tb,a __wine_delay_load_asm\\n\"\n" );
977 #elif defined(__powerpc__)
979 /* On Darwin we can use r0 and r2 */
980 /* Upper part in r2 */
981 fprintf( outfile
, " \"\\tlis %s, %d\\n\"\n", ppc_reg
[2], idx
);
982 /* Lower part + r2 -> r0, Note we can't use r0 directly */
983 fprintf( outfile
, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg
[0], ppc_reg
[2], j
);
984 fprintf( outfile
, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
985 #else /* __APPLE__ */
986 /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
987 /* Save r13 on the stack */
988 fprintf( outfile
, " \"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
989 fprintf( outfile
, " \"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[13], ppc_reg
[1]);
990 /* Upper part in r13 */
991 fprintf( outfile
, " \"\\tlis %s, %d\\n\"\n", ppc_reg
[13], idx
);
992 /* Lower part + r13 -> r0, Note we can't use r0 directly */
993 fprintf( outfile
, " \"\\taddi %s, %s, %d\\n\"\n", ppc_reg
[0], ppc_reg
[13], j
);
995 fprintf( outfile
, " \"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[13], ppc_reg
[1]);
996 fprintf( outfile
, " \"\\taddic %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
997 fprintf( outfile
, " \"\\tb " __ASM_NAME("__wine_delay_load_asm") "\\n\"\n");
998 #endif /* __APPLE__ */
1000 #error You need to defined delayed import thunks for your architecture!
1002 output_function_size( outfile
, name
);
1006 output_function_size( outfile
, delayed_import_loaders
);
1008 fprintf( outfile
, "\n \".data\\n\\t.align %d\\n\"\n", get_alignment(8) );
1009 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\"\n", delayed_import_thunks
);
1010 pos
= nb_delayed
* 32;
1011 for (i
= 0; i
< nb_imports
; i
++)
1013 if (!dll_imports
[i
]->delay
) continue;
1014 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= 4)
1016 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
1017 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
1019 fprintf( outfile
, " \"\\t" __ASM_FUNC("%s") "\\n\"\n", name
);
1020 fprintf( outfile
, " \"\\t.globl " __ASM_NAME("%s") "\\n\"\n", name
);
1021 fprintf( outfile
, " \"" __ASM_NAME("%s") ":\\n\\t\"", name
);
1022 #if defined(__i386__)
1023 if (strstr( name
, "__wine_call_from_16" ))
1024 fprintf( outfile
, "\".byte 0x2e\\n\\tjmp *(delay_imports+%d)\\n\\tnop\\n\"", pos
);
1026 fprintf( outfile
, "\"jmp *(delay_imports+%d)\\n\\tmovl %%esi,%%esi\\n\"", pos
);
1027 #elif defined(__sparc__)
1030 fprintf( outfile
, "\"sethi %%hi(delay_imports+%d), %%g1\\n\\t\"", pos
);
1031 fprintf( outfile
, "\"ld [%%g1+%%lo(delay_imports+%d)], %%g1\\n\\t\"", pos
);
1032 fprintf( outfile
, "\"jmp %%g1\\n\\tnop\\n\"" );
1036 /* Hmpf. Stupid sparc assembler always interprets global variable
1037 names as GOT offsets, so we have to do it the long way ... */
1038 fprintf( outfile
, "\"save %%sp, -96, %%sp\\n\"" );
1039 fprintf( outfile
, "\"0:\\tcall 1f\\n\\tnop\\n\"" );
1040 fprintf( outfile
, "\"1:\\tsethi %%hi(delay_imports+%d-0b), %%g1\\n\\t\"", pos
);
1041 fprintf( outfile
, "\"or %%g1, %%lo(delay_imports+%d-0b), %%g1\\n\\t\"", pos
);
1042 fprintf( outfile
, "\"ld [%%g1+%%o7], %%g1\\n\\t\"" );
1043 fprintf( outfile
, "\"jmp %%g1\\n\\trestore\\n\"" );
1046 #elif defined(__powerpc__)
1047 fprintf( outfile
, "\t\"addi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1048 fprintf( outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
1049 fprintf( outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1050 fprintf( outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
1051 fprintf( outfile
, "\t\"\\taddi %s, %s, -0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1052 fprintf( outfile
, "\t\"\\tstw %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
1054 fprintf( outfile
, "\t\"\\tlis %s, " ppc_high(__ASM_NAME("delay_imports") "+ %d") "\\n\"\n", ppc_reg
[9], pos
);
1055 fprintf( outfile
, "\t\"\\tla %s, " ppc_low (__ASM_NAME("delay_imports") "+ %d") "(%s)\\n\"\n", ppc_reg
[8], pos
, ppc_reg
[9]);
1056 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[8]);
1057 fprintf( outfile
, "\t\"\\tmtctr %s\\n\"\n", ppc_reg
[7]);
1059 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[7], ppc_reg
[1]);
1060 fprintf( outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1061 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[8], ppc_reg
[1]);
1062 fprintf( outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1063 fprintf( outfile
, "\t\"\\tlwz %s, 0(%s)\\n\"\n", ppc_reg
[9], ppc_reg
[1]);
1064 fprintf( outfile
, "\t\"\\taddi %s, %s, 0x4\\n\"\n", ppc_reg
[1], ppc_reg
[1]);
1065 fprintf( outfile
, "\t\"\\tbctr\\n\"");
1067 #error You need to define delayed import thunks for your architecture!
1069 fprintf( outfile
, "\n" );
1070 output_function_size( outfile
, name
);
1073 output_function_size( outfile
, delayed_import_thunks
);
1074 fprintf( outfile
, "\".text\");\n" );
1075 fprintf( outfile
, "#ifndef __GNUC__\n" );
1076 fprintf( outfile
, "}\n" );
1077 fprintf( outfile
, "#endif\n" );
1078 fprintf( outfile
, "\n" );
1084 /* output the import and delayed import tables of a Win32 module
1085 * returns number of DLLs exported in 'immediate' mode
1087 int output_imports( FILE *outfile
, DLLSPEC
*spec
)
1089 output_delayed_imports( outfile
, spec
);
1090 return output_immediate_imports( outfile
);