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>
44 DLLSPEC
*spec
; /* description of the imported dll */
45 char *full_name
; /* full name of the input file */
46 dev_t dev
; /* device/inode of the input file */
48 int delay
; /* delay or not dll loading ? */
49 ORDDEF
**exports
; /* functions exported from this dll */
50 int nb_exports
; /* number of exported functions */
51 ORDDEF
**imports
; /* functions we want to import from this dll */
52 int nb_imports
; /* number of imported functions */
58 unsigned int count
, size
;
61 static struct name_table undef_symbols
; /* list of undefined symbols */
62 static struct name_table ignore_symbols
; /* list of symbols to ignore */
63 static struct name_table extra_ld_symbols
; /* list of extra symbols that ld should resolve */
64 static struct name_table delayed_imports
; /* list of delayed import dlls */
65 static struct name_table ext_link_imports
; /* list of external symbols to link to */
67 static struct import
**dll_imports
= NULL
;
68 static int nb_imports
= 0; /* number of imported dlls (delayed or not) */
69 static int nb_delayed
= 0; /* number of delayed dlls */
70 static int total_imports
= 0; /* total number of imported functions */
71 static int total_delayed
= 0; /* total number of imported functions in delayed DLLs */
74 static inline const char *ppc_reg( int reg
)
76 static const char * const ppc_regs
[32] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
77 "r8", "r9", "r10","r11","r12","r13","r14","r15",
78 "r16","r17","r18","r19","r20","r21","r22","r23",
79 "r24","r25","r26","r27","r28","r29","r30","r31" };
80 if (target_platform
== PLATFORM_APPLE
) return ppc_regs
[reg
];
81 return ppc_regs
[reg
] + 1; /* skip the 'r' */
84 /* compare function names; helper for resolve_imports */
85 static int name_cmp( const void *name
, const void *entry
)
87 return strcmp( *(const char* const *)name
, *(const char* const *)entry
);
90 /* compare function names; helper for resolve_imports */
91 static int func_cmp( const void *func1
, const void *func2
)
93 const ORDDEF
*odp1
= *(const ORDDEF
* const *)func1
;
94 const ORDDEF
*odp2
= *(const ORDDEF
* const *)func2
;
95 return strcmp( odp1
->name
? odp1
->name
: odp1
->export_name
,
96 odp2
->name
? odp2
->name
: odp2
->export_name
);
99 /* add a name to a name table */
100 static inline void add_name( struct name_table
*table
, const char *name
)
102 if (table
->count
== table
->size
)
104 table
->size
+= (table
->size
/ 2);
105 if (table
->size
< 32) table
->size
= 32;
106 table
->names
= xrealloc( table
->names
, table
->size
* sizeof(*table
->names
) );
108 table
->names
[table
->count
++] = xstrdup( name
);
111 /* remove a name from a name table */
112 static inline void remove_name( struct name_table
*table
, unsigned int idx
)
114 assert( idx
< table
->count
);
115 free( table
->names
[idx
] );
116 memmove( table
->names
+ idx
, table
->names
+ idx
+ 1,
117 (table
->count
- idx
- 1) * sizeof(*table
->names
) );
121 /* make a name table empty */
122 static inline void empty_name_table( struct name_table
*table
)
126 for (i
= 0; i
< table
->count
; i
++) free( table
->names
[i
] );
130 /* locate a name in a (sorted) list */
131 static inline const char *find_name( const char *name
, const struct name_table
*table
)
135 if (table
->count
) res
= bsearch( &name
, table
->names
, table
->count
, sizeof(*table
->names
), name_cmp
);
136 return res
? *res
: NULL
;
139 /* sort a name table */
140 static inline void sort_names( struct name_table
*table
)
142 if (table
->count
) qsort( table
->names
, table
->count
, sizeof(*table
->names
), name_cmp
);
145 /* locate an export in a (sorted) export list */
146 static inline ORDDEF
*find_export( const char *name
, ORDDEF
**table
, int size
)
148 ORDDEF func
, *odp
, **res
= NULL
;
150 func
.name
= xstrdup(name
);
153 if (table
) res
= bsearch( &odp
, table
, size
, sizeof(*table
), func_cmp
);
155 return res
? *res
: NULL
;
158 /* free an import structure */
159 static void free_imports( struct import
*imp
)
161 free( imp
->exports
);
162 free( imp
->imports
);
163 free_dll_spec( imp
->spec
);
164 free( imp
->full_name
);
168 /* check whether a given dll is imported in delayed mode */
169 static int is_delayed_import( const char *name
)
173 for (i
= 0; i
< delayed_imports
.count
; i
++)
175 if (!strcmp( delayed_imports
.names
[i
], name
)) return 1;
180 /* check whether a given dll has already been imported */
181 static struct import
*is_already_imported( const char *name
)
185 for (i
= 0; i
< nb_imports
; i
++)
187 if (!strcmp( dll_imports
[i
]->spec
->file_name
, name
)) return dll_imports
[i
];
192 /* open the .so library for a given dll in a specified path */
193 static char *try_library_path( const char *path
, const char *name
)
198 buffer
= xmalloc( strlen(path
) + strlen(name
) + 9 );
199 sprintf( buffer
, "%s/lib%s.def", path
, name
);
201 /* check if the file exists */
202 if ((fd
= open( buffer
, O_RDONLY
)) != -1)
211 /* find the .def import library for a given dll */
212 static char *find_library( const char *name
)
217 for (i
= 0; i
< nb_lib_paths
; i
++)
219 if ((fullname
= try_library_path( lib_path
[i
], name
))) return fullname
;
221 fatal_error( "could not open .def file for %s\n", name
);
225 /* read in the list of exported symbols of an import library */
226 static int read_import_lib( struct import
*imp
)
231 struct import
*prev_imp
;
232 DLLSPEC
*spec
= imp
->spec
;
234 f
= open_input_file( NULL
, imp
->full_name
);
235 fstat( fileno(f
), &stat
);
236 imp
->dev
= stat
.st_dev
;
237 imp
->ino
= stat
.st_ino
;
238 ret
= parse_def_file( f
, spec
);
239 close_input_file( f
);
242 /* check if we already imported that library from a different file */
243 if ((prev_imp
= is_already_imported( spec
->file_name
)))
245 if (prev_imp
->dev
!= imp
->dev
|| prev_imp
->ino
!= imp
->ino
)
246 fatal_error( "%s and %s have the same export name '%s'\n",
247 prev_imp
->full_name
, imp
->full_name
, spec
->file_name
);
248 return 0; /* the same file was already loaded, ignore this one */
251 if (is_delayed_import( spec
->file_name
))
257 if (spec
->nb_entry_points
)
259 imp
->exports
= xmalloc( spec
->nb_entry_points
* sizeof(*imp
->exports
) );
260 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
261 imp
->exports
[imp
->nb_exports
++] = &spec
->entry_points
[i
];
262 qsort( imp
->exports
, imp
->nb_exports
, sizeof(*imp
->exports
), func_cmp
);
267 /* build the dll exported name from the import lib name or path */
268 static char *get_dll_name( const char *name
, const char *filename
)
274 const char *basename
= strrchr( filename
, '/' );
275 if (!basename
) basename
= filename
;
277 if (!strncmp( basename
, "lib", 3 )) basename
+= 3;
278 ret
= xmalloc( strlen(basename
) + 5 );
279 strcpy( ret
, basename
);
280 if (strendswith( ret
, ".def" )) ret
[strlen(ret
)-4] = 0;
284 ret
= xmalloc( strlen(name
) + 5 );
287 if (!strchr( ret
, '.' )) strcat( ret
, ".dll" );
291 /* add a dll to the list of imports */
292 void add_import_dll( const char *name
, const char *filename
)
294 struct import
*imp
= xmalloc( sizeof(*imp
) );
296 imp
->spec
= alloc_dll_spec();
297 imp
->spec
->file_name
= get_dll_name( name
, filename
);
304 if (filename
) imp
->full_name
= xstrdup( filename
);
305 else imp
->full_name
= find_library( name
);
307 if (read_import_lib( 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 /* add a library to the list of delayed imports */
320 void add_delayed_import( const char *name
)
323 char *fullname
= get_dll_name( name
, NULL
);
325 add_name( &delayed_imports
, fullname
);
326 if ((imp
= is_already_imported( fullname
)) && !imp
->delay
)
334 /* remove an imported dll, based on its index in the dll_imports array */
335 static void remove_import_dll( int index
)
337 struct import
*imp
= dll_imports
[index
];
339 memmove( &dll_imports
[index
], &dll_imports
[index
+1], sizeof(imp
) * (nb_imports
- index
- 1) );
341 if (imp
->delay
) nb_delayed
--;
345 /* add a symbol to the ignored symbol list */
346 /* if the name starts with '-' the symbol is removed instead */
347 void add_ignore_symbol( const char *name
)
351 if (name
[0] == '-') /* remove it */
353 if (!name
[1]) empty_name_table( &ignore_symbols
); /* remove everything */
354 else for (i
= 0; i
< ignore_symbols
.count
; i
++)
356 if (!strcmp( ignore_symbols
.names
[i
], name
+1 )) remove_name( &ignore_symbols
, i
-- );
359 else add_name( &ignore_symbols
, name
);
362 /* add a symbol to the list of extra symbols that ld must resolve */
363 void add_extra_ld_symbol( const char *name
)
365 add_name( &extra_ld_symbols
, name
);
368 /* add a function to the list of imports from a given dll */
369 static void add_import_func( struct import
*imp
, ORDDEF
*func
)
371 imp
->imports
= xrealloc( imp
->imports
, (imp
->nb_imports
+1) * sizeof(*imp
->imports
) );
372 imp
->imports
[imp
->nb_imports
++] = func
;
374 if (imp
->delay
) total_delayed
++;
377 /* get the default entry point for a given spec file */
378 static const char *get_default_entry_point( const DLLSPEC
*spec
)
380 if (spec
->characteristics
& IMAGE_FILE_DLL
) return "__wine_spec_dll_entry";
381 if (spec
->subsystem
== IMAGE_SUBSYSTEM_NATIVE
) return "__wine_spec_drv_entry";
382 if (spec
->type
== SPEC_WIN16
) return "__wine_spec_exe16_entry";
383 return "__wine_spec_exe_entry";
386 /* check if the spec file exports any stubs */
387 static int has_stubs( const DLLSPEC
*spec
)
390 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
392 ORDDEF
*odp
= &spec
->entry_points
[i
];
393 if (odp
->type
== TYPE_STUB
) return 1;
398 /* add the extra undefined symbols that will be contained in the generated spec file itself */
399 static void add_extra_undef_symbols( DLLSPEC
*spec
)
401 if (!spec
->init_func
) spec
->init_func
= xstrdup( get_default_entry_point(spec
) );
402 add_extra_ld_symbol( spec
->init_func
);
403 if (has_stubs( spec
)) add_extra_ld_symbol( "__wine_spec_unimplemented_stub" );
404 if (nb_delayed
) add_extra_ld_symbol( "__wine_spec_delay_load" );
407 /* check if a given imported dll is not needed, taking forwards into account */
408 static int check_unused( const struct import
* imp
, const DLLSPEC
*spec
)
411 const char *file_name
= imp
->spec
->file_name
;
412 size_t len
= strlen( file_name
);
413 const char *p
= strchr( file_name
, '.' );
414 if (p
&& !strcasecmp( p
, ".dll" )) len
= p
- file_name
;
416 for (i
= spec
->base
; i
<= spec
->limit
; i
++)
418 ORDDEF
*odp
= spec
->ordinals
[i
];
419 if (!odp
|| !(odp
->flags
& FLAG_FORWARD
)) continue;
420 if (!strncasecmp( odp
->link_name
, file_name
, len
) &&
421 odp
->link_name
[len
] == '.')
422 return 0; /* found a forward, it is used */
427 /* check if a given forward does exist in one of the imported dlls */
428 static void check_undefined_forwards( DLLSPEC
*spec
)
430 char *link_name
, *api_name
, *dll_name
, *p
;
433 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
435 ORDDEF
*odp
= &spec
->entry_points
[i
];
437 if (!(odp
->flags
& FLAG_FORWARD
)) continue;
439 link_name
= xstrdup( odp
->link_name
);
440 p
= strrchr( link_name
, '.' );
443 dll_name
= get_dll_name( link_name
, NULL
);
445 for (j
= 0; j
< nb_imports
; j
++)
447 struct import
*imp
= dll_imports
[j
];
449 if (strcasecmp( imp
->spec
->file_name
, dll_name
)) continue;
450 if (!find_export( api_name
, imp
->exports
, imp
->nb_exports
))
451 warning( "%s:%d: forward '%s' not found in %s\n",
452 spec
->src_name
, odp
->lineno
, odp
->link_name
, imp
->spec
->file_name
);
456 warning( "%s:%d: forward '%s' not found in the imported dll list\n",
457 spec
->src_name
, odp
->lineno
, odp
->link_name
);
463 /* flag the dll exports that link to an undefined symbol */
464 static void check_undefined_exports( DLLSPEC
*spec
)
468 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
470 ORDDEF
*odp
= &spec
->entry_points
[i
];
471 if (odp
->type
== TYPE_STUB
|| odp
->type
== TYPE_ABS
) continue;
472 if (odp
->flags
& FLAG_FORWARD
) continue;
473 if (find_name( odp
->link_name
, &undef_symbols
))
481 if (link_ext_symbols
)
483 odp
->flags
|= FLAG_EXT_LINK
;
484 add_name( &ext_link_imports
, odp
->link_name
);
486 else error( "%s:%d: function '%s' not defined\n",
487 spec
->src_name
, odp
->lineno
, odp
->link_name
);
490 error( "%s:%d: external symbol '%s' is not a function\n",
491 spec
->src_name
, odp
->lineno
, odp
->link_name
);
498 /* create a .o file that references all the undefined symbols we want to resolve */
499 static char *create_undef_symbols_file( DLLSPEC
*spec
)
501 char *as_file
, *obj_file
;
506 as_file
= get_temp_file_name( output_file_name
, ".s" );
507 if (!(f
= fopen( as_file
, "w" ))) fatal_error( "Cannot create %s\n", as_file
);
508 fprintf( f
, "\t.data\n" );
510 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
512 ORDDEF
*odp
= &spec
->entry_points
[i
];
513 if (odp
->type
== TYPE_STUB
) continue;
514 if (odp
->flags
& FLAG_FORWARD
) continue;
515 fprintf( f
, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(odp
->link_name
) );
517 for (j
= 0; j
< extra_ld_symbols
.count
; j
++)
518 fprintf( f
, "\t%s %s\n", get_asm_ptr_keyword(), asm_name(extra_ld_symbols
.names
[j
]) );
521 obj_file
= get_temp_file_name( output_file_name
, ".o" );
522 assemble_file( as_file
, obj_file
);
526 /* combine a list of object files with ld into a single object file */
527 /* returns the name of the combined file */
528 static const char *ldcombine_files( DLLSPEC
*spec
, char **argv
)
530 unsigned int i
, len
= 0;
531 const char *prog
= get_ld_command();
532 char *cmd
, *p
, *ld_tmp_file
, *undef_file
;
535 undef_file
= create_undef_symbols_file( spec
);
536 len
+= strlen(undef_file
) + 1;
537 ld_tmp_file
= get_temp_file_name( output_file_name
, ".o" );
538 for (i
= 0; argv
[i
]; i
++) len
+= strlen(argv
[i
]) + 1;
539 cmd
= p
= xmalloc( len
+ strlen(ld_tmp_file
) + 8 + strlen(prog
) );
540 p
+= sprintf( cmd
, "%s -r -o %s %s", prog
, ld_tmp_file
, undef_file
);
541 for (i
= 0; argv
[i
]; i
++)
542 p
+= sprintf( p
, " %s", argv
[i
] );
543 if (verbose
) fprintf( stderr
, "%s\n", cmd
);
545 if (err
) fatal_error( "%s -r failed with status %d\n", prog
, err
);
550 /* read in the list of undefined symbols */
551 void read_undef_symbols( DLLSPEC
*spec
, char **argv
)
555 const char *prog
= get_nm_command();
556 char *cmd
, buffer
[1024], name_prefix
[16];
560 if (!argv
[0]) return;
562 add_extra_undef_symbols( spec
);
564 strcpy( name_prefix
, asm_name("") );
565 prefix_len
= strlen( name_prefix
);
567 name
= ldcombine_files( spec
, argv
);
569 cmd
= xmalloc( strlen(prog
) + strlen(name
) + 5 );
570 sprintf( cmd
, "%s -u %s", prog
, name
);
571 if (!(f
= popen( cmd
, "r" )))
572 fatal_error( "Cannot execute '%s'\n", cmd
);
574 while (fgets( buffer
, sizeof(buffer
), f
))
576 char *p
= buffer
+ strlen(buffer
) - 1;
577 if (p
< buffer
) continue;
578 if (*p
== '\n') *p
-- = 0;
580 while (*p
== ' ') p
++;
581 if (p
[0] == 'U' && p
[1] == ' ' && p
[2]) p
+= 2;
582 if (prefix_len
&& !strncmp( p
, name_prefix
, prefix_len
)) p
+= prefix_len
;
583 add_name( &undef_symbols
, p
);
585 if ((err
= pclose( f
))) warning( "%s failed with status %d\n", cmd
, err
);
589 /* resolve the imports for a Win32 module */
590 int resolve_imports( DLLSPEC
*spec
)
593 unsigned int j
, removed
;
596 sort_names( &ignore_symbols
);
597 check_undefined_forwards( spec
);
599 for (i
= 0; i
< nb_imports
; i
++)
601 struct import
*imp
= dll_imports
[i
];
603 for (j
= removed
= 0; j
< undef_symbols
.count
; j
++)
605 if (find_name( undef_symbols
.names
[j
], &ignore_symbols
)) continue;
606 odp
= find_export( undef_symbols
.names
[j
], imp
->exports
, imp
->nb_exports
);
609 if (odp
->flags
& FLAG_PRIVATE
) continue;
610 if (odp
->type
!= TYPE_STDCALL
&& odp
->type
!= TYPE_CDECL
)
611 warning( "winebuild: Data export '%s' cannot be imported from %s\n",
612 odp
->link_name
, imp
->spec
->file_name
);
615 add_import_func( imp
, odp
);
616 remove_name( &undef_symbols
, j
-- );
623 /* the dll is not used, get rid of it */
624 if (check_unused( imp
, spec
))
625 warning( "winebuild: %s imported but no symbols used\n", imp
->spec
->file_name
);
626 remove_import_dll( i
);
631 sort_names( &undef_symbols
);
632 check_undefined_exports( spec
);
637 /* output the get_pc thunk if needed */
638 void output_get_pc_thunk(void)
640 if (target_cpu
!= CPU_x86
) return;
642 output( "\n\t.text\n" );
643 output( "\t.align %d\n", get_alignment(4) );
644 output( "\t%s\n", func_declaration("__wine_spec_get_pc_thunk_eax") );
645 output( "%s:\n", asm_name("__wine_spec_get_pc_thunk_eax") );
646 output( "\tpopl %%eax\n" );
647 output( "\tpushl %%eax\n" );
649 output_function_size( "__wine_spec_get_pc_thunk_eax" );
652 /* output a single import thunk */
653 static void output_import_thunk( const char *name
, const char *table
, int pos
)
655 output( "\n\t.align %d\n", get_alignment(4) );
656 output( "\t%s\n", func_declaration(name
) );
657 output( "%s\n", asm_globl(name
) );
664 output( "\tjmp *(%s+%d)\n", table
, pos
);
668 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
669 output( "1:\tjmp *%s+%d-1b(%%eax)\n", table
, pos
);
673 output( "\tjmpq *%s+%d(%%rip)\n", table
, pos
);
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( "\tpushq %%rdx\n" );
976 output( "\tpushq %%rcx\n" );
977 output( "\tpushq %%r8\n" );
978 output( "\tpushq %%r9\n" );
979 output( "\tpushq %%r10\n" );
980 output( "\tpushq %%r11\n" );
981 output( "\tsubq $40,%%rsp\n" );
982 output( "\tmovq %%rax,%%rcx\n" );
983 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
984 output( "\taddq $40,%%rsp\n" );
985 output( "\tpopq %%r11\n" );
986 output( "\tpopq %%r10\n" );
987 output( "\tpopq %%r9\n" );
988 output( "\tpopq %%r8\n" );
989 output( "\tpopq %%rcx\n" );
990 output( "\tpopq %%rdx\n" );
991 output( "\tjmp *%%rax\n" );
994 output( "\tsave %%sp, -96, %%sp\n" );
995 output( "\tcall %s\n", asm_name("__wine_spec_delay_load") );
996 output( "\tmov %%g1, %%o0\n" );
997 output( "\tjmp %%o0\n" );
998 output( "\trestore\n" );
1001 output( "\tjsr $26,%s\n", asm_name("__wine_spec_delay_load") );
1002 output( "\tjmp $31,($0)\n" );
1005 if (target_platform
== PLATFORM_APPLE
) extra_stack_storage
= 56;
1007 /* Save all callee saved registers into a stackframe. */
1008 output( "\tstwu %s, -%d(%s)\n",ppc_reg(1), 48+extra_stack_storage
, ppc_reg(1));
1009 output( "\tstw %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage
, ppc_reg(1));
1010 output( "\tstw %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage
, ppc_reg(1));
1011 output( "\tstw %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage
, ppc_reg(1));
1012 output( "\tstw %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage
, ppc_reg(1));
1013 output( "\tstw %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage
, ppc_reg(1));
1014 output( "\tstw %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage
, ppc_reg(1));
1015 output( "\tstw %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage
, ppc_reg(1));
1016 output( "\tstw %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage
, ppc_reg(1));
1017 output( "\tstw %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage
, ppc_reg(1));
1018 output( "\tstw %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage
, ppc_reg(1));
1020 /* r0 -> r3 (arg1) */
1021 output( "\tmr %s, %s\n", ppc_reg(3), ppc_reg(0));
1023 /* save return address */
1024 output( "\tmflr %s\n", ppc_reg(0));
1025 output( "\tstw %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage
, ppc_reg(1));
1027 /* Call the __wine_delay_load function, arg1 is arg1. */
1028 output( "\tbl %s\n", asm_name("__wine_spec_delay_load") );
1030 /* Load return value from call into ctr register */
1031 output( "\tmtctr %s\n", ppc_reg(3));
1033 /* restore all saved registers and drop stackframe. */
1034 output( "\tlwz %s, %d(%s)\n", ppc_reg(3), 4+extra_stack_storage
, ppc_reg(1));
1035 output( "\tlwz %s, %d(%s)\n", ppc_reg(4), 8+extra_stack_storage
, ppc_reg(1));
1036 output( "\tlwz %s, %d(%s)\n", ppc_reg(5), 12+extra_stack_storage
, ppc_reg(1));
1037 output( "\tlwz %s, %d(%s)\n", ppc_reg(6), 16+extra_stack_storage
, ppc_reg(1));
1038 output( "\tlwz %s, %d(%s)\n", ppc_reg(7), 20+extra_stack_storage
, ppc_reg(1));
1039 output( "\tlwz %s, %d(%s)\n", ppc_reg(8), 24+extra_stack_storage
, ppc_reg(1));
1040 output( "\tlwz %s, %d(%s)\n", ppc_reg(9), 28+extra_stack_storage
, ppc_reg(1));
1041 output( "\tlwz %s, %d(%s)\n", ppc_reg(10),32+extra_stack_storage
, ppc_reg(1));
1042 output( "\tlwz %s, %d(%s)\n", ppc_reg(11),36+extra_stack_storage
, ppc_reg(1));
1043 output( "\tlwz %s, %d(%s)\n", ppc_reg(12),40+extra_stack_storage
, ppc_reg(1));
1045 /* Load return value from call into return register */
1046 output( "\tlwz %s, %d(%s)\n", ppc_reg(0), 44+extra_stack_storage
, ppc_reg(1));
1047 output( "\tmtlr %s\n", ppc_reg(0));
1048 output( "\taddi %s, %s, %d\n", ppc_reg(1), ppc_reg(1), 48+extra_stack_storage
);
1050 /* branch to ctr register. */
1051 output( "\tbctr\n");
1054 output_function_size( "__wine_delay_load_asm" );
1057 for (i
= idx
= 0; i
< nb_imports
; i
++)
1059 if (!dll_imports
[i
]->delay
) continue;
1060 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++)
1062 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
1063 const char *name
= odp
->name
? odp
->name
: odp
->export_name
;
1065 output( ".L__wine_delay_imp_%d_%s:\n", i
, name
);
1069 output( "\tmovl $%d, %%eax\n", (idx
<< 16) | j
);
1070 output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1073 output( "\tmovq $%d,%%rax\n", (idx
<< 16) | j
);
1074 output( "\tjmp %s\n", asm_name("__wine_delay_load_asm") );
1077 output( "\tset %d, %%g1\n", (idx
<< 16) | j
);
1078 output( "\tb,a %s\n", asm_name("__wine_delay_load_asm") );
1081 output( "\tlda $0,%d($31)\n", j
);
1082 output( "\tldah $0,%d($0)\n", idx
);
1083 output( "\tjmp $31,%s\n", asm_name("__wine_delay_load_asm") );
1086 switch(target_platform
)
1088 case PLATFORM_APPLE
:
1089 /* On Darwin we can use r0 and r2 */
1090 /* Upper part in r2 */
1091 output( "\tlis %s, %d\n", ppc_reg(2), idx
);
1092 /* Lower part + r2 -> r0, Note we can't use r0 directly */
1093 output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(2), j
);
1094 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1097 /* On linux we can't use r2 since r2 is not a scratch register (hold the TOC) */
1098 /* Save r13 on the stack */
1099 output( "\taddi %s, %s, -0x4\n", ppc_reg(1), ppc_reg(1));
1100 output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1101 /* Upper part in r13 */
1102 output( "\tlis %s, %d\n", ppc_reg(13), idx
);
1103 /* Lower part + r13 -> r0, Note we can't use r0 directly */
1104 output( "\taddi %s, %s, %d\n", ppc_reg(0), ppc_reg(13), j
);
1106 output( "\tstw %s, 0(%s)\n", ppc_reg(13), ppc_reg(1));
1107 output( "\taddic %s, %s, 0x4\n", ppc_reg(1), ppc_reg(1));
1108 output( "\tb %s\n", asm_name("__wine_delay_load_asm") );
1116 output_function_size( delayed_import_loaders
);
1118 output( "\n\t.align %d\n", get_alignment(get_ptr_size()) );
1119 output( "%s:\n", asm_name(delayed_import_thunks
));
1120 for (i
= pos
= 0; i
< nb_imports
; i
++)
1122 if (!dll_imports
[i
]->delay
) continue;
1123 for (j
= 0; j
< dll_imports
[i
]->nb_imports
; j
++, pos
+= get_ptr_size())
1125 ORDDEF
*odp
= dll_imports
[i
]->imports
[j
];
1126 output_import_thunk( odp
->name
? odp
->name
: odp
->export_name
,
1127 ".L__wine_delay_IAT", pos
);
1130 output_function_size( delayed_import_thunks
);
1133 /* output import stubs for exported entry points that link to external symbols */
1134 static void output_external_link_imports( DLLSPEC
*spec
)
1136 unsigned int i
, pos
;
1138 if (!ext_link_imports
.count
) return; /* nothing to do */
1140 sort_names( &ext_link_imports
);
1142 /* get rid of duplicate names */
1143 for (i
= 1; i
< ext_link_imports
.count
; i
++)
1145 if (!strcmp( ext_link_imports
.names
[i
-1], ext_link_imports
.names
[i
] ))
1146 remove_name( &ext_link_imports
, i
-- );
1149 output( "\n/* external link thunks */\n\n" );
1150 output( "\t.data\n" );
1151 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
1152 output( ".L__wine_spec_external_links:\n" );
1153 for (i
= 0; i
< ext_link_imports
.count
; i
++)
1154 output( "\t%s %s\n", get_asm_ptr_keyword(), asm_name(ext_link_imports
.names
[i
]) );
1156 output( "\n\t.text\n" );
1157 output( "\t.align %d\n", get_alignment(get_ptr_size()) );
1158 output( "%s:\n", asm_name("__wine_spec_external_link_thunks") );
1160 for (i
= pos
= 0; i
< ext_link_imports
.count
; i
++)
1163 sprintf( buffer
, "__wine_spec_ext_link_%s", ext_link_imports
.names
[i
] );
1164 output_import_thunk( buffer
, ".L__wine_spec_external_links", pos
);
1165 pos
+= get_ptr_size();
1167 output_function_size( "__wine_spec_external_link_thunks" );
1170 /*******************************************************************
1173 * Output the functions for stub entry points
1175 void output_stubs( DLLSPEC
*spec
)
1177 const char *name
, *exp_name
;
1180 if (!has_stubs( spec
)) return;
1182 output( "\n/* stub functions */\n\n" );
1183 output( "\t.text\n" );
1185 for (i
= count
= 0; i
< spec
->nb_entry_points
; i
++)
1187 ORDDEF
*odp
= &spec
->entry_points
[i
];
1188 if (odp
->type
!= TYPE_STUB
) continue;
1190 name
= get_stub_name( odp
, spec
);
1191 exp_name
= odp
->name
? odp
->name
: odp
->export_name
;
1192 output( "\t.align %d\n", get_alignment(4) );
1193 output( "\t%s\n", func_declaration(name
) );
1194 output( "%s:\n", asm_name(name
) );
1199 /* flesh out the stub a bit to make safedisc happy */
1200 output(" \tnop\n" );
1201 output(" \tnop\n" );
1202 output(" \tnop\n" );
1203 output(" \tnop\n" );
1204 output(" \tnop\n" );
1205 output(" \tnop\n" );
1206 output(" \tnop\n" );
1207 output(" \tnop\n" );
1208 output(" \tnop\n" );
1210 output( "\tsubl $4,%%esp\n" );
1213 output( "\tcall %s\n", asm_name("__wine_spec_get_pc_thunk_eax") );
1217 output( "\tleal .L%s_string-1b(%%eax),%%ecx\n", name
);
1218 output( "\tpushl %%ecx\n" );
1222 output( "\tpushl $%d\n", odp
->ordinal
);
1223 output( "\tleal .L__wine_spec_file_name-1b(%%eax),%%ecx\n" );
1224 output( "\tpushl %%ecx\n" );
1230 output( "\tpushl $.L%s_string\n", name
);
1234 output( "\tpushl $%d\n", odp
->ordinal
);
1235 output( "\tpushl $.L__wine_spec_file_name\n" );
1237 output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1240 output( "\tleaq .L__wine_spec_file_name(%%rip),%%rdi\n" );
1243 output( "leaq .L%s_string(%%rip),%%rsi\n", name
);
1247 output( "\tmovq $%d,%%rsi\n", odp
->ordinal
);
1248 output( "\tsubq $8,%%rsp\n" );
1249 output( "\tcall %s\n", asm_name("__wine_spec_unimplemented_stub") );
1254 output_function_size( name
);
1259 output( "\t%s\n", get_asm_string_section() );
1260 for (i
= 0; i
< spec
->nb_entry_points
; i
++)
1262 ORDDEF
*odp
= &spec
->entry_points
[i
];
1263 if (odp
->type
!= TYPE_STUB
) continue;
1264 exp_name
= odp
->name
? odp
->name
: odp
->export_name
;
1267 name
= get_stub_name( odp
, spec
);
1268 output( ".L%s_string:\n", name
);
1269 output( "\t%s \"%s\"\n", get_asm_string_keyword(), exp_name
);
1275 /* output the import and delayed import tables of a Win32 module */
1276 void output_imports( DLLSPEC
*spec
)
1278 output_immediate_imports();
1279 output_delayed_imports( spec
);
1280 output_immediate_import_thunks();
1281 output_delayed_import_thunks( spec
);
1282 output_external_link_imports( spec
);
1283 if (nb_imports
|| ext_link_imports
.count
|| has_stubs(spec
) || has_relays(spec
))
1284 output_get_pc_thunk();