4 * Copyright 2000, 2004 Alexandre Julliard
5 * Copyright 2000 Eric Pouech
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
31 #ifdef HAVE_SYS_STAT_H
32 # include <sys/stat.h>
42 DLLSPEC
*spec
; /* description of the imported dll */
43 char *full_name
; /* full name of the input file */
44 dev_t dev
; /* device/inode of the input file */
46 int delay
; /* delay or not dll loading ? */
47 ORDDEF
**exports
; /* functions exported from this dll */
48 int nb_exports
; /* number of exported functions */
49 ORDDEF
**imports
; /* functions we want to import from this dll */
50 int nb_imports
; /* number of imported functions */
56 unsigned int count
, size
;
59 static struct name_table undef_symbols
; /* list of undefined symbols */
60 static struct name_table ignore_symbols
; /* list of symbols to ignore */
61 static struct name_table extra_ld_symbols
; /* list of extra symbols that ld should resolve */
62 static struct name_table delayed_imports
; /* list of delayed import dlls */
63 static struct name_table ext_link_imports
; /* list of external symbols to link to */
65 static struct import
**dll_imports
= NULL
;
66 static int nb_imports
= 0; /* number of imported dlls (delayed or not) */
67 static int nb_delayed
= 0; /* number of delayed dlls */
68 static int total_imports
= 0; /* total number of imported functions */
69 static int total_delayed
= 0; /* total number of imported functions in delayed DLLs */
72 static inline const char *ppc_reg( int reg
)
74 static const char * const ppc_regs
[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
75 "r8", "r9", "r10","r11","r12","r13","r14","r15",
76 "r16","r17","r18","r19","r20","r21","r22","r23",
77 "r24","r25","r26","r27","r28","r29","r30","r31" };
78 if (target_platform
== PLATFORM_APPLE
) return ppc_regs
[reg
];
79 return ppc_regs
[reg
] + 1; /* skip the 'r' */
82 /* compare function names; helper for resolve_imports */
83 static int name_cmp( const void *name
, const void *entry
)
85 return strcmp( *(const char* const *)name
, *(const char* const *)entry
);
88 /* compare function names; helper for resolve_imports */
89 static int func_cmp( const void *func1
, const void *func2
)
91 const ORDDEF
*odp1
= *(const ORDDEF
* const *)func1
;
92 const ORDDEF
*odp2
= *(const ORDDEF
* const *)func2
;
93 return strcmp( odp1
->name
? odp1
->name
: odp1
->export_name
,
94 odp2
->name
? odp2
->name
: odp2
->export_name
);
97 /* add a name to a name table */
98 static inline void add_name( struct name_table
*table
, const char *name
)
100 if (table
->count
== table
->size
)
102 table
->size
+= (table
->size
/ 2);
103 if (table
->size
< 32) table
->size
= 32;
104 table
->names
= xrealloc( table
->names
, table
->size
* sizeof(*table
->names
) );
106 table
->names
[table
->count
++] = xstrdup( name
);
109 /* remove a name from a name table */
110 static inline void remove_name( struct name_table
*table
, unsigned int idx
)
112 assert( idx
< table
->count
);
113 free( table
->names
[idx
] );
114 memmove( table
->names
+ idx
, table
->names
+ idx
+ 1,
115 (table
->count
- idx
- 1) * sizeof(*table
->names
) );
119 /* make a name table empty */
120 static inline void empty_name_table( struct name_table
*table
)
124 for (i
= 0; i
< table
->count
; i
++) free( table
->names
[i
] );
128 /* locate a name in a (sorted) list */
129 static inline const char *find_name( const char *name
, const struct name_table
*table
)
133 if (table
->count
) res
= bsearch( &name
, table
->names
, table
->count
, sizeof(*table
->names
), name_cmp
);
134 return res
? *res
: NULL
;
137 /* sort a name table */
138 static inline void sort_names( struct name_table
*table
)
140 if (table
->count
) qsort( table
->names
, table
->count
, sizeof(*table
->names
), name_cmp
);
143 /* locate an export in a (sorted) export list */
144 static inline ORDDEF
*find_export( const char *name
, ORDDEF
**table
, int size
)
146 ORDDEF func
, *odp
, **res
= NULL
;
148 func
.name
= xstrdup(name
);
151 if (table
) res
= bsearch( &odp
, table
, size
, sizeof(*table
), func_cmp
);
153 return res
? *res
: NULL
;
156 /* free an import structure */
157 static void free_imports( struct import
*imp
)
159 free( imp
->exports
);
160 free( imp
->imports
);
161 free_dll_spec( imp
->spec
);
162 free( imp
->full_name
);
166 /* check whether a given dll is imported in delayed mode */
167 static int is_delayed_import( const char *name
)
171 for (i
= 0; i
< delayed_imports
.count
; i
++)
173 if (!strcmp( delayed_imports
.names
[i
], name
)) return 1;
178 /* check whether a given dll has already been imported */
179 static struct import
*is_already_imported( const char *name
)
183 for (i
= 0; i
< nb_imports
; i
++)
185 if (!strcmp( dll_imports
[i
]->spec
->file_name
, name
)) return dll_imports
[i
];
190 /* open the .so library for a given dll in a specified path */
191 static char *try_library_path( const char *path
, const char *name
)
196 buffer
= xmalloc( strlen(path
) + strlen(name
) + 9 );
197 sprintf( buffer
, "%s/lib%s.def", path
, name
);
199 /* check if the file exists */
200 if ((fd
= open( buffer
, O_RDONLY
)) != -1)
209 /* find the .def import library for a given dll */
210 static char *find_library( const char *name
)
215 for (i
= 0; i
< nb_lib_paths
; i
++)
217 if ((fullname
= try_library_path( lib_path
[i
], name
))) return fullname
;
219 fatal_error( "could not open .def file for %s\n", name
);
223 /* read in the list of exported symbols of an import library */
224 static int read_import_lib( struct import
*imp
)
229 struct import
*prev_imp
;
230 DLLSPEC
*spec
= imp
->spec
;
232 f
= open_input_file( NULL
, imp
->full_name
);
233 fstat( fileno(f
), &stat
);
234 imp
->dev
= stat
.st_dev
;
235 imp
->ino
= stat
.st_ino
;
236 ret
= parse_def_file( f
, spec
);
237 close_input_file( f
);
240 /* check if we already imported that library from a different file */
241 if ((prev_imp
= is_already_imported( spec
->file_name
)))
243 if (prev_imp
->dev
!= imp
->dev
|| prev_imp
->ino
!= imp
->ino
)
244 fatal_error( "%s and %s have the same export name '%s'\n",
245 prev_imp
->full_name
, imp
->full_name
, spec
->file_name
);
246 return 0; /* the same file was already loaded, ignore this one */
249 if (is_delayed_import( spec
->file_name
))
255 if (spec
->nb_entry_points
)
257 imp
->exports
= xmalloc( spec
->nb_entry_points
* sizeof(*imp
->exports
) );
258 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
259 imp
->exports
[imp
->nb_exports
++] = &spec
->entry_points
[i
];
260 qsort( imp
->exports
, imp
->nb_exports
, sizeof(*imp
->exports
), func_cmp
);
265 /* build the dll exported name from the import lib name or path */
266 static char *get_dll_name( const char *name
, const char *filename
)
272 const char *basename
= strrchr( filename
, '/' );
273 if (!basename
) basename
= filename
;
275 if (!strncmp( basename
, "lib", 3 )) basename
+= 3;
276 ret
= xmalloc( strlen(basename
) + 5 );
277 strcpy( ret
, basename
);
278 if (strendswith( ret
, ".def" )) ret
[strlen(ret
)-4] = 0;
282 ret
= xmalloc( strlen(name
) + 5 );
285 if (!strchr( ret
, '.' )) strcat( ret
, ".dll" );
289 /* add a dll to the list of imports */
290 void add_import_dll( const char *name
, const char *filename
)
292 struct import
*imp
= xmalloc( sizeof(*imp
) );
294 imp
->spec
= alloc_dll_spec();
295 imp
->spec
->file_name
= get_dll_name( name
, filename
);
302 if (filename
) imp
->full_name
= xstrdup( filename
);
303 else imp
->full_name
= find_library( name
);
305 if (read_import_lib( imp
))
307 dll_imports
= xrealloc( dll_imports
, (nb_imports
+1) * sizeof(*dll_imports
) );
308 dll_imports
[nb_imports
++] = imp
;
313 if (nb_errors
) exit(1);
317 /* add a library to the list of delayed imports */
318 void add_delayed_import( const char *name
)
321 char *fullname
= get_dll_name( name
, NULL
);
323 add_name( &delayed_imports
, fullname
);
324 if ((imp
= is_already_imported( fullname
)) && !imp
->delay
)
332 /* remove an imported dll, based on its index in the dll_imports array */
333 static void remove_import_dll( int index
)
335 struct import
*imp
= dll_imports
[index
];
337 memmove( &dll_imports
[index
], &dll_imports
[index
+1], sizeof(imp
) * (nb_imports
- index
- 1) );
339 if (imp
->delay
) nb_delayed
--;
343 /* add a symbol to the ignored symbol list */
344 /* if the name starts with '-' the symbol is removed instead */
345 void add_ignore_symbol( const char *name
)
349 if (name
[0] == '-') /* remove it */
351 if (!name
[1]) empty_name_table( &ignore_symbols
); /* remove everything */
352 else for (i
= 0; i
< ignore_symbols
.count
; i
++)
354 if (!strcmp( ignore_symbols
.names
[i
], name
+1 )) remove_name( &ignore_symbols
, i
-- );
357 else add_name( &ignore_symbols
, name
);
360 /* add a symbol to the list of extra symbols that ld must resolve */
361 void add_extra_ld_symbol( const char *name
)
363 add_name( &extra_ld_symbols
, name
);
366 /* add a function to the list of imports from a given dll */
367 static void add_import_func( struct import
*imp
, ORDDEF
*func
)
369 imp
->imports
= xrealloc( imp
->imports
, (imp
->nb_imports
+1) * sizeof(*imp
->imports
) );
370 imp
->imports
[imp
->nb_imports
++] = func
;
372 if (imp
->delay
) total_delayed
++;
375 /* get the default entry point for a given spec file */
376 static const char *get_default_entry_point( const DLLSPEC
*spec
)
378 if (spec
->characteristics
& IMAGE_FILE_DLL
) return "__wine_spec_dll_entry";
379 if (spec
->subsystem
== IMAGE_SUBSYSTEM_NATIVE
) return "__wine_spec_drv_entry";
380 if (spec
->type
== SPEC_WIN16
) return "__wine_spec_exe16_entry";
381 return "__wine_spec_exe_entry";
384 /* check if the spec file exports any stubs */
385 static int has_stubs( const DLLSPEC
*spec
)
388 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
390 ORDDEF
*odp
= &spec
->entry_points
[i
];
391 if (odp
->type
== TYPE_STUB
) return 1;
396 /* add the extra undefined symbols that will be contained in the generated spec file itself */
397 static void add_extra_undef_symbols( DLLSPEC
*spec
)
399 if (!spec
->init_func
) spec
->init_func
= xstrdup( get_default_entry_point(spec
) );
400 add_extra_ld_symbol( spec
->init_func
);
401 if (has_stubs( spec
)) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" );
402 if (nb_delayed
) add_extra_ld_symbol( "__wine_spec_delay_load" );
405 /* check if a given imported dll is not needed, taking forwards into account */
406 static int check_unused( const struct import
* imp
, const DLLSPEC
*spec
)
409 const char *file_name
= imp
->spec
->file_name
;
410 size_t len
= strlen( file_name
);
411 const char *p
= strchr( file_name
, '.' );
412 if (p
&& !strcasecmp( p
, ".dll" )) len
= p
- file_name
;
414 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
416 ORDDEF
*odp
= spec
->ordinals
[i
];
417 if (!odp
|| !(odp
->flags
& FLAG_FORWARD
)) continue;
418 if (!strncasecmp( odp
->link_name
, file_name
, len
) &&
419 odp
->link_name
[len
] == '.')
420 return 0; /* found a forward, it is used */
425 /* check if a given forward does exist in one of the imported dlls */
426 static void check_undefined_forwards( DLLSPEC
*spec
)
428 char *link_name
, *api_name
, *dll_name
, *p
;
431 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
433 ORDDEF
*odp
= &spec
->entry_points
[i
];
435 if (!(odp
->flags
& FLAG_FORWARD
)) continue;
437 link_name
= xstrdup( odp
->link_name
);
438 p
= strrchr( link_name
, '.' );
441 dll_name
= get_dll_name( link_name
, NULL
);
443 for (j
= 0; j
< nb_imports
; j
++)
445 struct import
*imp
= dll_imports
[j
];
447 if (strcasecmp( imp
->spec
->file_name
, dll_name
)) continue;
448 if (!find_export( api_name
, imp
->exports
, imp
->nb_exports
))
449 warning( "%s:%d: forward '%s' not found in %s\n",
450 spec
->src_name
, odp
->lineno
, odp
->link_name
, imp
->spec
->file_name
);
454 warning( "%s:%d: forward '%s' not found in the imported dll list\n",
455 spec
->src_name
, odp
->lineno
, odp
->link_name
);
461 /* flag the dll exports that link to an undefined symbol */
462 static void check_undefined_exports( DLLSPEC
*spec
)
466 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
468 ORDDEF
*odp
= &spec
->entry_points
[i
];
469 if (odp
->type
== TYPE_STUB
|| odp
->type
== TYPE_ABS
) continue;
470 if (odp
->flags
& FLAG_FORWARD
) continue;
471 if (find_name( odp
->link_name
, &undef_symbols
))
479 if (link_ext_symbols
)
481 odp
->flags
|= FLAG_EXT_LINK
;
482 add_name( &ext_link_imports
, odp
->link_name
);
484 else error( "%s:%d: function '%s' not defined\n",
485 spec
->src_name
, odp
->lineno
, odp
->link_name
);
488 error( "%s:%d: external symbol '%s' is not a function\n",
489 spec
->src_name
, odp
->lineno
, odp
->link_name
);
496 /* create a .o file that references all the undefined symbols we want to resolve */
497 static char *create_undef_symbols_file( DLLSPEC
*spec
)
499 char *as_file
, *obj_file
;
504 as_file
= get_temp_file_name( output_file_name
, ".s" );
505 if (!(f
= fopen( as_file
, "w" ))) fatal_error( "Cannot create %s\n", as_file
);
506 fprintf( f
, "\t.data\n" );
508 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
510 ORDDEF
*odp
= &spec
->entry_points
[i
];
511 if (odp
->type
== TYPE_STUB
|| odp
->type
== TYPE_ABS
) continue;
512 if (odp
->flags
& FLAG_FORWARD
) continue;
513 fprintf( f
, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp
->link_name
) );
515 for (j
= 0; j
< extra_ld_symbols
.count
; j
++)
516 fprintf( f
, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols
.names
[j
]) );
519 obj_file
= get_temp_file_name( output_file_name
, ".o" );
520 assemble_file( as_file
, obj_file
);
524 /* combine a list of object files with ld into a single object file */
525 /* returns the name of the combined file */
526 static const char *ldcombine_files( DLLSPEC
*spec
, char **argv
)
528 unsigned int i
, len
= 0;
529 const char *prog
= get_ld_command();
530 char *cmd
, *p
, *ld_tmp_file
, *undef_file
;
533 undef_file
= create_undef_symbols_file( spec
);
534 len
+= strlen(undef_file
) + 1;
535 ld_tmp_file
= get_temp_file_name( output_file_name
, ".o" );
536 for (i
= 0; argv
[i
]; i
++) len
+= strlen(argv
[i
]) + 1;
537 cmd
= p
= xmalloc( len
+ strlen(ld_tmp_file
) + 8 + strlen(prog
) );
538 p
+= sprintf( cmd
, "%s -r -o %s %s", prog
, ld_tmp_file
, undef_file
);
539 for (i
= 0; argv
[i
]; i
++)
540 p
+= sprintf( p
, " %s", argv
[i
] );
541 if (verbose
) fprintf( stderr
, "%s\n", cmd
);
543 if (err
) fatal_error( "%s -r failed with status %d\n", prog
, err
);
548 /* read in the list of undefined symbols */
549 void read_undef_symbols( DLLSPEC
*spec
, char **argv
)
553 const char *prog
= get_nm_command();
554 char *cmd
, buffer
[1024], name_prefix
[16];
558 if (!argv
[0]) return;
560 add_extra_undef_symbols( spec
);
562 strcpy( name_prefix
, asm_name("") );
563 prefix_len
= strlen( name_prefix
);
565 name
= ldcombine_files( spec
, argv
);
567 cmd
= xmalloc( strlen(prog
) + strlen(name
) + 5 );
568 sprintf( cmd
, "%s -u %s", prog
, name
);
569 if (!(f
= popen( cmd
, "r" )))
570 fatal_error( "Cannot execute '%s'\n", cmd
);
572 while (fgets( buffer
, sizeof(buffer
), f
))
574 char *p
= buffer
+ strlen(buffer
) - 1;
575 if (p
< buffer
) continue;
576 if (*p
== '\n') *p
-- = 0;
578 while (*p
== ' ') p
++;
579 if (p
[0] == 'U' && p
[1] == ' ' && p
[2]) p
+= 2;
580 if (prefix_len
&& !strncmp( p
, name_prefix
, prefix_len
)) p
+= prefix_len
;
581 add_name( &undef_symbols
, p
);
583 if ((err
= pclose( f
))) warning( "%s failed with status %d\n", cmd
, err
);
587 /* resolve the imports for a Win32 module */
588 int resolve_imports( DLLSPEC
*spec
)
591 unsigned int j
, removed
;
594 sort_names( &ignore_symbols
);
595 check_undefined_forwards( spec
);
597 for (i
= 0; i
< nb_imports
; i
++)
599 struct import
*imp
= dll_imports
[i
];
601 for (j
= removed
= 0; j
< undef_symbols
.count
; j
++)
603 if (find_name( undef_symbols
.names
[j
], &ignore_symbols
)) continue;
604 odp
= find_export( undef_symbols
.names
[j
], imp
->exports
, imp
->nb_exports
);
607 if (odp
->flags
& FLAG_PRIVATE
) continue;
608 if (odp
->type
!= TYPE_STDCALL
&& odp
->type
!= TYPE_CDECL
)
609 warning( "winebuild: Data export '%s' cannot be imported from %s\n",
610 odp
->link_name
, imp
->spec
->file_name
);
613 add_import_func( imp
, odp
);
614 remove_name( &undef_symbols
, j
-- );
621 /* the dll is not used, get rid of it */
622 if (check_unused( imp
, spec
))
623 warning( "winebuild: %s imported but no symbols used\n", imp
->spec
->file_name
);
624 remove_import_dll( i
);
629 sort_names( &undef_symbols
);
630 check_undefined_exports( spec
);
635 /* output the get_pc thunk if needed */
636 void output_get_pc_thunk(void)
638 if (target_cpu
!= CPU_x86
) return;
640 output( "\n\t.text\n" );
641 output( "\t.align %d\n", get_alignment(4) );
642 output( "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") );
643 output( "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") );
644 output( "\tpopl %%eax\n" );
645 output( "\tpushl %%eax\n" );
647 output_function_size( "__wine_spec_get_pc_thunk_eax" );
650 /* output a single import thunk */
651 static void output_import_thunk( const char *name
, const char *table
, int pos
)
653 output( "\n\t.align %d\n", get_alignment(4) );
654 output( "\t%s\n", func_declaration(name
) );
655 output( "%s\n", asm_globl(name
) );
662 output( "\tjmp *(%s+%d)\n", table
, pos
);
666 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
667 output( "1:\tjmp *%s+%d-1b(%%eax)\n", table
, pos
);
671 output( "\t.cfi_startproc\n" );
672 output( "\tjmpq *%s+%d(%%rip)\n", table
, pos
);
673 output( "\t.cfi_endproc\n" );
678 output( "\tsethi %%hi(%s+%d), %%g1\n", table
, pos
);
679 output( "\tld [%%g1+%%lo(%s+%d)], %%g1\n", table
, pos
);
680 output( "\tjmp %%g1\n" );
685 /* Hmpf. Stupid sparc assembler always interprets global variable
686 names as GOT offsets, so we have to do it the long way ... */
687 output( "\tsave %%sp, -96, %%sp\n" );
688 output( "0:\tcall 1f\n" );
690 output( "1:\tsethi %%hi(%s+%d-0b), %%g1\n", table
, pos
);
691 output( "\tor %%g1, %%lo(%s+%d-0b), %%g1\n", table
, pos
);
692 output( "\tld [%%g1+%%o7], %%g1\n" );
693 output( "\tjmp %%g1\n" );
694 output( "\trestore\n" );
698 output( "\tlda $0,%s\n", table
);
699 output( "\tlda $0,%d($0)\n", pos
);
700 output( "\tjmp $31,($0)\n" );
703 output( "\tmr %s, %s\n", ppc_reg(0), ppc_reg(31) );
704 if (target_platform
== PLATFORM_APPLE
)
706 output( "\tlis %s, ha16(%s+%d+32768)\n", ppc_reg(31), table
, pos
);
707 output( "\tla %s, lo16(%s+%d)(%s)\n", ppc_reg(31), table
, pos
, ppc_reg(31) );
711 output( "\tlis %s, (%s+%d+32768)@h\n", ppc_reg(31), table
, pos
);
712 output( "\tla %s, (%s+%d)@l(%s)\n", ppc_reg(31), table
, pos
, ppc_reg(31) );
714 output( "\tlwz %s, 0(%s)\n", ppc_reg(31), ppc_reg(31) );
715 output( "\tmtctr %s\n", ppc_reg(31) );
716 output( "\tmr %s, %s\n", ppc_reg(31), ppc_reg(0) );
717 output( "\tbctr\n" );
720 output_function_size( name
);
723 /* check if we need an import directory */
724 int has_imports(void)
726 return (nb_imports
- nb_delayed
) > 0;
729 /* output the import table of a Win32 module */
730 static void output_immediate_imports(void)
733 const char *dll_name
;
735 if (nb_imports
== nb_delayed
) return; /* no immediate imports */
737 /* main import header */
739 output( "\n/* import table */\n" );
740 output( "\n\t.data\n" );
741 output( "\t.align %d\n", get_alignment(4) );
742 output( ".L__wine_spec_imports:\n" );
746 for (i
= j
= 0; i
< nb_imports
; i
++)
748 if (dll_imports
[i
]->delay
) continue;
749 dll_name
= make_c_identifier( dll_imports
[i
]->spec
->file_name
);
750 output( "\t.long .L__wine_spec_import_data_names+%d-.L__wine_spec_rva_base\n", /* OriginalFirstThunk */
751 j
* get_ptr_size() );
752 output( "\t.long 0\n" ); /* TimeDateStamp */
753 output( "\t.long 0\n" ); /* ForwarderChain */
754 output( "\t.long .L__wine_spec_import_name_%s-.L__wine_spec_rva_base\n", /* Name */
756 output( "\t.long .L__wine_spec_import_data_ptrs+%d-.L__wine_spec_rva_base\n", /* FirstThunk */
757 j
* get_ptr_size() );
758 j
+= dll_imports
[i
]->nb_imports
+ 1;
760 output( "\t.long 0\n" ); /* OriginalFirstThunk */
761 output( "\t.long 0\n" ); /* TimeDateStamp */
762 output( "\t.long 0\n" ); /* ForwarderChain */
763 output( "\t.long 0\n" ); /* Name */
764 output( "\t.long 0\n" ); /* FirstThunk */
766 output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
767 output( ".L__wine_spec_import_data_names:\n" );
768 for (i
= 0; i
< nb_imports
; i
++)
770 if (dll_imports
[i
]->delay
) continue;
771 dll_name
= make_c_identifier( dll_imports
[i
]->spec
->file_name
);
772 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
774 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
775 if (!(odp
->flags
& FLAG_NONAME
))
776 output( "\t%s .L__wine_spec_import_data_%s_%s-.L__wine_spec_rva_base\n",
777 get_asm_ptr_keyword(), dll_name
, odp
->name
);
780 if (get_ptr_size() == 8)
781 output( "\t.quad 0x800000000000%04x\n", odp
->ordinal
);
783 output( "\t.long 0x8000%04x\n", odp
->ordinal
);
786 output( "\t%s 0\n", get_asm_ptr_keyword() );
788 output( ".L__wine_spec_import_data_ptrs:\n" );
789 for (i
= 0; i
< nb_imports
; i
++)
791 if (dll_imports
[i
]->delay
) continue;
792 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++) output( "\t%s 0\n", get_asm_ptr_keyword() );
793 output( "\t%s 0\n", get_asm_ptr_keyword() );
795 output( ".L__wine_spec_imports_end:\n" );
797 for (i
= 0; i
< nb_imports
; i
++)
799 if (dll_imports
[i
]->delay
) continue;
800 dll_name
= make_c_identifier( dll_imports
[i
]->spec
->file_name
);
801 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
803 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
804 if (!(odp
->flags
& FLAG_NONAME
))
806 output( "\t.align %d\n", get_alignment(2) );
807 output( ".L__wine_spec_import_data_%s_%s:\n", dll_name
, odp
->name
);
808 output( "\t%s %d\n", get_asm_short_keyword(), odp
->ordinal
);
809 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp
->name
);
814 for (i
= 0; i
< nb_imports
; i
++)
816 if (dll_imports
[i
]->delay
) continue;
817 dll_name
= make_c_identifier( dll_imports
[i
]->spec
->file_name
);
818 output( ".L__wine_spec_import_name_%s:\n\t%s \"%s\"\n",
819 dll_name
, get_asm_string_keyword(), dll_imports
[i
]->spec
->file_name
);
823 /* output the import thunks of a Win32 module */
824 static void output_immediate_import_thunks(void)
827 int nb_imm
= nb_imports
- nb_delayed
;
828 static const char import_thunks
[] = "__wine_spec_import_thunks";
832 output( "\n/* immediate import thunks */\n\n" );
833 output( "\t.text\n" );
834 output( "\t.align %d\n", get_alignment(8) );
835 output( "%s:\n", asm_name(import_thunks
));
837 for (i
= pos
= 0; i
< nb_imports
; i
++)
839 if (dll_imports
[i
]->delay
) continue;
840 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= get_ptr_size())
842 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
843 output_import_thunk( odp
->name
? odp
->name
: odp
->export_name
,
844 ".L__wine_spec_import_data_ptrs", pos
);
846 pos
+= get_ptr_size();
848 output_function_size( import_thunks
);
851 /* output the delayed import table of a Win32 module */
852 static void output_delayed_imports( const DLLSPEC
*spec
)
856 if (!nb_delayed
) return;
858 output( "\n/* delayed imports */\n\n" );
859 output( "\t.data\n" );
860 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
861 output( "%s\n", asm_globl("__wine_spec_delay_imports") );
865 for (i
= j
= mod
= 0; i
< nb_imports
; i
++)
867 if (!dll_imports
[i
]->delay
) continue;
868 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
869 output( "\t%s .L__wine_delay_name_%d\n", /* szName */
870 get_asm_ptr_keyword(), i
);
871 output( "\t%s .L__wine_delay_modules+%d\n", /* phmod */
872 get_asm_ptr_keyword(), mod
* get_ptr_size() );
873 output( "\t%s .L__wine_delay_IAT+%d\n", /* pIAT */
874 get_asm_ptr_keyword(), j
* get_ptr_size() );
875 output( "\t%s .L__wine_delay_INT+%d\n", /* pINT */
876 get_asm_ptr_keyword(), j
* get_ptr_size() );
877 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
878 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
879 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
880 j
+= dll_imports
[i
]->nb_imports
;
883 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* grAttrs */
884 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* szName */
885 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* phmod */
886 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pIAT */
887 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pINT */
888 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pBoundIAT */
889 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* pUnloadIAT */
890 output( "\t%s 0\n", get_asm_ptr_keyword() ); /* dwTimeStamp */
892 output( "\n.L__wine_delay_IAT:\n" );
893 for (i
= 0; i
< nb_imports
; i
++)
895 if (!dll_imports
[i
]->delay
) continue;
896 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
898 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
899 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
900 output( "\t%s .L__wine_delay_imp_%d_%s\n",
901 get_asm_ptr_keyword(), i
, name
);
905 output( "\n.L__wine_delay_INT:\n" );
906 for (i
= 0; i
< nb_imports
; i
++)
908 if (!dll_imports
[i
]->delay
) continue;
909 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
911 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
913 output( "\t%s %d\n", get_asm_ptr_keyword(), odp
->ordinal
);
915 output( "\t%s .L__wine_delay_data_%d_%s\n",
916 get_asm_ptr_keyword(), i
, odp
->name
);
920 output( "\n.L__wine_delay_modules:\n" );
921 for (i
= 0; i
< nb_imports
; i
++)
923 if (dll_imports
[i
]->delay
) output( "\t%s 0\n", get_asm_ptr_keyword() );
926 for (i
= 0; i
< nb_imports
; i
++)
928 if (!dll_imports
[i
]->delay
) continue;
929 output( ".L__wine_delay_name_%d:\n", i
);
930 output( "\t%s \"%s\"\n",
931 get_asm_string_keyword(), dll_imports
[i
]->spec
->file_name
);
934 for (i
= 0; i
< nb_imports
; i
++)
936 if (!dll_imports
[i
]->delay
) continue;
937 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
939 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
940 if (!odp
->name
) continue;
941 output( ".L__wine_delay_data_%d_%s:\n", i
, odp
->name
);
942 output( "\t%s \"%s\"\n", get_asm_string_keyword(), odp
->name
);
945 output_function_size( "__wine_spec_delay_imports" );
948 /* output the delayed import thunks of a Win32 module */
949 static void output_delayed_import_thunks( const DLLSPEC
*spec
)
951 int i
, idx
, j
, pos
, extra_stack_storage
= 0;
952 static const char delayed_import_loaders
[] = "__wine_spec_delayed_import_loaders";
953 static const char delayed_import_thunks
[] = "__wine_spec_delayed_import_thunks";
955 if (!nb_delayed
) return;
957 output( "\n/* delayed import thunks */\n\n" );
958 output( "\t.text\n" );
959 output( "\t.align %d\n", get_alignment(8) );
960 output( "%s:\n", asm_name(delayed_import_loaders
));
961 output( "\t%s\n", func_declaration("__wine_delay_load_asm") );
962 output( "%s:\n", asm_name("__wine_delay_load_asm") );
966 output( "\tpushl %%ecx\n" );
967 output( "\tpushl %%edx\n" );
968 output( "\tpushl %%eax\n" );
969 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
970 output( "\tpopl %%edx\n" );
971 output( "\tpopl %%ecx\n" );
972 output( "\tjmp *%%eax\n" );
975 output( "\t.cfi_startproc\n" );
976 output( "\tsubq $88,%%rsp\n" );
977 output( "\t.cfi_adjust_cfa_offset 88\n" );
978 output( "\tmovq %%rdx,80(%%rsp)\n" );
979 output( "\tmovq %%rcx,72(%%rsp)\n" );
980 output( "\tmovq %%r8,64(%%rsp)\n" );
981 output( "\tmovq %%r9,56(%%rsp)\n" );
982 output( "\tmovq %%r10,48(%%rsp)\n" );
983 output( "\tmovq %%r11,40(%%rsp)\n" );
984 output( "\tmovq %%rax,%%rcx\n" );
985 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
986 output( "\tmovq 40(%%rsp),%%r11\n" );
987 output( "\tmovq 48(%%rsp),%%r10\n" );
988 output( "\tmovq 56(%%rsp),%%r9\n" );
989 output( "\tmovq 64(%%rsp),%%r8\n" );
990 output( "\tmovq 72(%%rsp),%%rcx\n" );
991 output( "\tmovq 80(%%rsp),%%rdx\n" );
992 output( "\taddq $88,%%rsp\n" );
993 output( "\t.cfi_adjust_cfa_offset -88\n" );
994 output( "\tjmp *%%rax\n" );
995 output( "\t.cfi_endproc\n" );
998 output( "\tsave %%sp, -96, %%sp\n" );
999 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
1000 output( "\tmov %%g1, %%o0\n" );
1001 output( "\tjmp %%o0\n" );
1002 output( "\trestore\n" );
1005 output( "\tjsr $26,%s\n", asm_name("__wine_spec_delay_load") );
1006 output( "\tjmp $31,($0)\n" );
1009 if (target_platform
== PLATFORM_APPLE
) extra_stack_storage
= 56;
1011 /* Save all callee saved registers into a stackframe. */
1012 output( "\tstwu %s, -%d(%s)\n",ppc_reg(1), 48+extra_stack_storage
, ppc_reg(1));
1013 output( "\tstw %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage
, ppc_reg(1));
1014 output( "\tstw %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage
, ppc_reg(1));
1015 output( "\tstw %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage
, ppc_reg(1));
1016 output( "\tstw %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage
, ppc_reg(1));
1017 output( "\tstw %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage
, ppc_reg(1));
1018 output( "\tstw %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage
, ppc_reg(1));
1019 output( "\tstw %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage
, ppc_reg(1));
1020 output( "\tstw %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage
, ppc_reg(1));
1021 output( "\tstw %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage
, ppc_reg(1));
1022 output( "\tstw %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage
, ppc_reg(1));
1024 /* r0 -> r3 (arg1) */
1025 output( "\tmr %s, %s\n", ppc_reg(3), ppc_reg(0));
1027 /* save return address */
1028 output( "\tmflr %s\n", ppc_reg(0));
1029 output( "\tstw %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage
, ppc_reg(1));
1031 /* Call the __wine_delay_load function, arg1 is arg1. */
1032 output( "\tbl %s\n", asm_name("__wine_spec_delay_load") );
1034 /* Load return value from call into ctr register */
1035 output( "\tmtctr %s\n", ppc_reg(3));
1037 /* restore all saved registers and drop stackframe. */
1038 output( "\tlwz %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage
, ppc_reg(1));
1039 output( "\tlwz %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage
, ppc_reg(1));
1040 output( "\tlwz %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage
, ppc_reg(1));
1041 output( "\tlwz %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage
, ppc_reg(1));
1042 output( "\tlwz %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage
, ppc_reg(1));
1043 output( "\tlwz %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage
, ppc_reg(1));
1044 output( "\tlwz %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage
, ppc_reg(1));
1045 output( "\tlwz %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage
, ppc_reg(1));
1046 output( "\tlwz %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage
, ppc_reg(1));
1047 output( "\tlwz %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage
, ppc_reg(1));
1049 /* Load return value from call into return register */
1050 output( "\tlwz %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage
, ppc_reg(1));
1051 output( "\tmtlr %s\n", ppc_reg(0));
1052 output( "\taddi %s, %s, %d\n", ppc_reg(1), ppc_reg(1), 48+extra_stack_storage
);
1054 /* branch to ctr register. */
1055 output( "\tbctr\n");
1058 output_function_size( "__wine_delay_load_asm" );
1061 for (i
= idx
= 0; i
< nb_imports
; i
++)
1063 if (!dll_imports
[i
]->delay
) continue;
1064 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
1066 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
1067 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
1069 output( ".L__wine_delay_imp_%d_%s:\n", i
, name
);
1073 output( "\tmovl $%d, %%eax\n", (idx
<< 16) | j
);
1074 output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1077 output( "\t.cfi_startproc\n" );
1078 output( "\tmovq $%d,%%rax\n", (idx
<< 16) | j
);
1079 output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1080 output( "\t.cfi_endproc\n" );
1083 output( "\tset %d, %%g1\n", (idx
<< 16) | j
);
1084 output( "\tb,a %s\n", asm_name("__wine_delay_load_asm") );
1087 output( "\tlda $0,%d($31)\n", j
);
1088 output( "\tldah $0,%d($0)\n", idx
);
1089 output( "\tjmp $31,%s\n", asm_name("__wine_delay_load_asm") );
1092 switch(target_platform
)
1094 case PLATFORM_APPLE
:
1095 /* On Darwin we can use r0 and r2 */
1096 /* Upper part in r2 */
1097 output( "\tlis %s, %d\n", ppc_reg(2), idx
);
1098 /* Lower part + r2 -> r0, Note we can't use r0 directly */
1099 output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(2), j
);
1100 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1103 /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
1104 /* Save r13 on the stack */
1105 output( "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1));
1106 output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1107 /* Upper part in r13 */
1108 output( "\tlis %s, %d\n", ppc_reg(13), idx
);
1109 /* Lower part + r13 -> r0, Note we can't use r0 directly */
1110 output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(13), j
);
1112 output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1113 output( "\taddic %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1));
1114 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1122 output_function_size( delayed_import_loaders
);
1124 output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
1125 output( "%s:\n", asm_name(delayed_import_thunks
));
1126 for (i
= pos
= 0; i
< nb_imports
; i
++)
1128 if (!dll_imports
[i
]->delay
) continue;
1129 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= get_ptr_size())
1131 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
1132 output_import_thunk( odp
->name
? odp
->name
: odp
->export_name
,
1133 ".L__wine_delay_IAT", pos
);
1136 output_function_size( delayed_import_thunks
);
1139 /* output import stubs for exported entry points that link to external symbols */
1140 static void output_external_link_imports( DLLSPEC
*spec
)
1142 unsigned int i
, pos
;
1144 if (!ext_link_imports
.count
) return; /* nothing to do */
1146 sort_names( &ext_link_imports
);
1148 /* get rid of duplicate names */
1149 for (i
= 1; i
< ext_link_imports
.count
; i
++)
1151 if (!strcmp( ext_link_imports
.names
[i
-1], ext_link_imports
.names
[i
] ))
1152 remove_name( &ext_link_imports
, i
-- );
1155 output( "\n/* external link thunks */\n\n" );
1156 output( "\t.data\n" );
1157 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
1158 output( ".L__wine_spec_external_links:\n" );
1159 for (i
= 0; i
< ext_link_imports
.count
; i
++)
1160 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports
.names
[i
]) );
1162 output( "\n\t.text\n" );
1163 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
1164 output( "%s:\n", asm_name("__wine_spec_external_link_thunks") );
1166 for (i
= pos
= 0; i
< ext_link_imports
.count
; i
++)
1169 sprintf( buffer
, "__wine_spec_ext_link_%s", ext_link_imports
.names
[i
] );
1170 output_import_thunk( buffer
, ".L__wine_spec_external_links", pos
);
1171 pos
+= get_ptr_size();
1173 output_function_size( "__wine_spec_external_link_thunks" );
1176 /*******************************************************************
1179 * Output the functions for stub entry points
1181 void output_stubs( DLLSPEC
*spec
)
1183 const char *name
, *exp_name
;
1186 if (!has_stubs( spec
)) return;
1188 output( "\n/* stub functions */\n\n" );
1189 output( "\t.text\n" );
1191 for (i
= count
= 0; i
< spec
->nb_entry_points
; i
++)
1193 ORDDEF
*odp
= &spec
->entry_points
[i
];
1194 if (odp
->type
!= TYPE_STUB
) continue;
1196 name
= get_stub_name( odp
, spec
);
1197 exp_name
= odp
->name
? odp
->name
: odp
->export_name
;
1198 output( "\t.align %d\n", get_alignment(4) );
1199 output( "\t%s\n", func_declaration(name
) );
1200 output( "%s:\n", asm_name(name
) );
1205 /* flesh out the stub a bit to make safedisc happy */
1206 output(" \tnop\n" );
1207 output(" \tnop\n" );
1208 output(" \tnop\n" );
1209 output(" \tnop\n" );
1210 output(" \tnop\n" );
1211 output(" \tnop\n" );
1212 output(" \tnop\n" );
1213 output(" \tnop\n" );
1214 output(" \tnop\n" );
1216 output( "\tsubl $4,%%esp\n" );
1219 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
1223 output( "\tleal .L%s_string-1b(%%eax),%%ecx\n", name
);
1224 output( "\tpushl %%ecx\n" );
1228 output( "\tpushl $%d\n", odp
->ordinal
);
1229 output( "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
1230 output( "\tpushl %%ecx\n" );
1236 output( "\tpushl $.L%s_string\n", name
);
1240 output( "\tpushl $%d\n", odp
->ordinal
);
1241 output( "\tpushl $.L__wine_spec_file_name\n" );
1243 output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1246 output( "\t.cfi_startproc\n" );
1247 output( "\tsubq $8,%%rsp\n" );
1248 output( "\t.cfi_adjust_cfa_offset 8\n" );
1249 output( "\tleaq .L__wine_spec_file_name(%%rip),%%rdi\n" );
1252 output( "leaq .L%s_string(%%rip),%%rsi\n", name
);
1256 output( "\tmovq $%d,%%rsi\n", odp
->ordinal
);
1257 output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1258 output( "\t.cfi_endproc\n" );
1263 output_function_size( name
);
1268 output( "\t%s\n", get_asm_string_section() );
1269 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
1271 ORDDEF
*odp
= &spec
->entry_points
[i
];
1272 if (odp
->type
!= TYPE_STUB
) continue;
1273 exp_name
= odp
->name
? odp
->name
: odp
->export_name
;
1276 name
= get_stub_name( odp
, spec
);
1277 output( ".L%s_string:\n", name
);
1278 output( "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name
);
1284 /* output the import and delayed import tables of a Win32 module */
1285 void output_imports( DLLSPEC
*spec
)
1287 output_immediate_imports();
1288 output_delayed_imports( spec
);
1289 output_immediate_import_thunks();
1290 output_delayed_import_thunks( spec
);
1291 output_external_link_imports( spec
);
1292 if (nb_imports
|| ext_link_imports
.count
|| has_stubs(spec
) || has_relays(spec
))
1293 output_get_pc_thunk();