File: | src/gnu/usr.bin/binutils/gdb/jv-lang.c |
Warning: | line 544, column 8 Value stored to 'mname' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | /* Java language support routines for GDB, the GNU debugger. |
2 | Copyright 1997, 1998, 1999, 2000, 2003, 2004 Free Software Foundation, Inc. |
3 | |
4 | This file is part of GDB. |
5 | |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by |
8 | the Free Software Foundation; either version 2 of the License, or |
9 | (at your option) any later version. |
10 | |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | GNU General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software |
18 | Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ |
20 | |
21 | #include "defs.h" |
22 | #include "symtab.h" |
23 | #include "gdbtypes.h" |
24 | #include "expression.h" |
25 | #include "parser-defs.h" |
26 | #include "language.h" |
27 | #include "gdbtypes.h" |
28 | #include "symtab.h" |
29 | #include "symfile.h" |
30 | #include "objfiles.h" |
31 | #include "gdb_string.h" |
32 | #include "value.h" |
33 | #include "c-lang.h" |
34 | #include "jv-lang.h" |
35 | #include "gdbcore.h" |
36 | #include "block.h" |
37 | #include "demangle.h" |
38 | #include "dictionary.h" |
39 | #include <ctype.h> |
40 | |
41 | struct type *java_int_type; |
42 | struct type *java_byte_type; |
43 | struct type *java_short_type; |
44 | struct type *java_long_type; |
45 | struct type *java_boolean_type; |
46 | struct type *java_char_type; |
47 | struct type *java_float_type; |
48 | struct type *java_double_type; |
49 | struct type *java_void_type; |
50 | |
51 | /* Local functions */ |
52 | |
53 | extern void _initialize_java_language (void); |
54 | |
55 | static int java_demangled_signature_length (char *); |
56 | static void java_demangled_signature_copy (char *, char *); |
57 | |
58 | static struct symtab *get_java_class_symtab (void); |
59 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
60 | static int java_class_is_primitive (struct value *clas); |
61 | static struct value *java_value_string (char *ptr, int len); |
62 | |
63 | static void java_emit_char (int c, struct ui_file * stream, int quoter); |
64 | |
65 | static char *java_class_name_from_physname (const char *physname); |
66 | |
67 | /* This objfile contains symtabs that have been dynamically created |
68 | to record dynamically loaded Java classes and dynamically |
69 | compiled java methods. */ |
70 | |
71 | static struct objfile *dynamics_objfile = NULL((void*)0); |
72 | |
73 | static struct type *java_link_class_type (struct type *, struct value *); |
74 | |
75 | /* FIXME: carlton/2003-02-04: This is the main or only caller of |
76 | allocate_objfile with first argument NULL; as a result, this code |
77 | breaks every so often. Somebody should write a test case that |
78 | exercises GDB in various ways (e.g. something involving loading a |
79 | dynamic library) after this code has been called. */ |
80 | |
81 | static struct objfile * |
82 | get_dynamics_objfile (void) |
83 | { |
84 | if (dynamics_objfile == NULL((void*)0)) |
85 | { |
86 | dynamics_objfile = allocate_objfile (NULL((void*)0), 0); |
87 | } |
88 | return dynamics_objfile; |
89 | } |
90 | |
91 | #if 1 |
92 | /* symtab contains classes read from the inferior. */ |
93 | |
94 | static struct symtab *class_symtab = NULL((void*)0); |
95 | |
96 | static void free_class_block (struct symtab *symtab); |
97 | |
98 | static struct symtab * |
99 | get_java_class_symtab (void) |
100 | { |
101 | if (class_symtab == NULL((void*)0)) |
102 | { |
103 | struct objfile *objfile = get_dynamics_objfile (); |
104 | struct blockvector *bv; |
105 | struct block *bl; |
106 | class_symtab = allocate_symtab ("<java-classes>", objfile); |
107 | class_symtab->language = language_java; |
108 | bv = (struct blockvector *) |
109 | obstack_alloc (&objfile->objfile_obstack,__extension__ ({ struct obstack *__h = (&objfile->objfile_obstack ); __extension__ ({ struct obstack *__o = (__h); int __len = ( (sizeof (struct blockvector) + sizeof (struct block *))); if ( __o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }) |
110 | sizeof (struct blockvector) + sizeof (struct block *))__extension__ ({ struct obstack *__h = (&objfile->objfile_obstack ); __extension__ ({ struct obstack *__o = (__h); int __len = ( (sizeof (struct blockvector) + sizeof (struct block *))); if ( __o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }); |
111 | BLOCKVECTOR_NBLOCKS (bv)(bv)->nblocks = 1; |
112 | BLOCKVECTOR (class_symtab)(class_symtab)->blockvector = bv; |
113 | |
114 | /* Allocate dummy STATIC_BLOCK. */ |
115 | bl = allocate_block (&objfile->objfile_obstack); |
116 | BLOCK_DICT (bl)(bl)->dict = dict_create_linear (&objfile->objfile_obstack, |
117 | NULL((void*)0)); |
118 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK)(bv)->block[STATIC_BLOCK] = bl; |
119 | |
120 | /* Allocate GLOBAL_BLOCK. */ |
121 | bl = allocate_block (&objfile->objfile_obstack); |
122 | BLOCK_DICT (bl)(bl)->dict = dict_create_hashed_expandable (); |
123 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)(bv)->block[GLOBAL_BLOCK] = bl; |
124 | class_symtab->free_func = free_class_block; |
125 | } |
126 | return class_symtab; |
127 | } |
128 | |
129 | static void |
130 | add_class_symtab_symbol (struct symbol *sym) |
131 | { |
132 | struct symtab *symtab = get_java_class_symtab (); |
133 | struct blockvector *bv = BLOCKVECTOR (symtab)(symtab)->blockvector; |
134 | dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK))((bv)->block[GLOBAL_BLOCK])->dict, sym); |
135 | } |
136 | |
137 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
138 | |
139 | static struct symbol * |
140 | add_class_symbol (struct type *type, CORE_ADDR addr) |
141 | { |
142 | struct symbol *sym; |
143 | sym = (struct symbol *) |
144 | obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol))__extension__ ({ struct obstack *__h = (&dynamics_objfile ->objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((sizeof (struct symbol))); if (__o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len ); ((__o)->next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void * ) __o1->object_base; if (__o1->next_free == value) __o1 ->maybe_empty_object = 1; __o1->next_free = (((((__o1-> next_free) - (char *) 0)+__o1->alignment_mask) & ~ (__o1 ->alignment_mask)) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1 ->chunk) __o1->next_free = __o1->chunk_limit; __o1-> object_base = __o1->next_free; value; }); }); |
145 | memset (sym, 0, sizeof (struct symbol)); |
146 | SYMBOL_LANGUAGE (sym)(sym)->ginfo.language = language_java; |
147 | DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name = TYPE_TAG_NAME (type)(type)->main_type->tag_name; |
148 | SYMBOL_CLASS (sym)(sym)->aclass = LOC_TYPEDEF; |
149 | /* SYMBOL_VALUE (sym) = valu; */ |
150 | SYMBOL_TYPE (sym)(sym)->type = type; |
151 | SYMBOL_DOMAIN (sym)(sym)->domain = STRUCT_DOMAIN; |
152 | SYMBOL_VALUE_ADDRESS (sym)(sym)->ginfo.value.address = addr; |
153 | return sym; |
154 | } |
155 | |
156 | /* Free the dynamic symbols block. */ |
157 | static void |
158 | free_class_block (struct symtab *symtab) |
159 | { |
160 | struct blockvector *bv = BLOCKVECTOR (symtab)(symtab)->blockvector; |
161 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)(bv)->block[GLOBAL_BLOCK]; |
162 | |
163 | dict_free (BLOCK_DICT (bl)(bl)->dict); |
164 | } |
165 | #endif |
166 | |
167 | struct type * |
168 | java_lookup_class (char *name) |
169 | { |
170 | struct symbol *sym; |
171 | sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN, |
172 | (int *) 0, (struct symtab **) NULL((void*)0)); |
173 | if (sym != NULL((void*)0)) |
174 | return SYMBOL_TYPE (sym)(sym)->type; |
175 | #if 0 |
176 | CORE_ADDR addr; |
177 | if (called from parser) |
178 | { |
179 | call lookup_class (or similar) in inferior; |
180 | if not |
181 | found: |
182 | return NULL((void*)0); |
183 | addr = found in inferior; |
184 | } |
185 | else |
186 | addr = 0; |
187 | struct type *type; |
188 | type = alloc_type (objfile); |
189 | TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_STRUCT; |
190 | INIT_CPLUS_SPECIFIC (type)((type)->main_type->type_specific.cplus_stuff=(struct cplus_struct_type *)&cplus_struct_default); |
191 | TYPE_TAG_NAME (type)(type)->main_type->tag_name = obsavestring (name, strlen (name), &objfile->objfile_obstack); |
192 | TYPE_FLAGS (type)(type)->main_type->flags |= TYPE_FLAG_STUB(1 << 2); |
193 | TYPE ? = addr; |
194 | return type; |
195 | #else |
196 | /* FIXME - should search inferior's symbol table. */ |
197 | return NULL((void*)0); |
198 | #endif |
199 | } |
200 | |
201 | /* Return a nul-terminated string (allocated on OBSTACK) for |
202 | a name given by NAME (which has type Utf8Const*). */ |
203 | |
204 | char * |
205 | get_java_utf8_name (struct obstack *obstack, struct value *name) |
206 | { |
207 | char *chrs; |
208 | struct value *temp = name; |
209 | int name_length; |
210 | CORE_ADDR data_addr; |
211 | temp = value_struct_elt (&temp, NULL((void*)0), "length", NULL((void*)0), "structure"); |
212 | name_length = (int) value_as_long (temp); |
213 | data_addr = VALUE_ADDRESS (temp)(temp)->location.address + VALUE_OFFSET (temp)(temp)->offset |
214 | + TYPE_LENGTH (VALUE_TYPE (temp))((temp)->type)->length; |
215 | chrs = obstack_alloc (obstack, name_length + 1)__extension__ ({ struct obstack *__h = (obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((name_length + 1 )); if (__o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }); |
216 | chrs[name_length] = '\0'; |
217 | read_memory (data_addr, chrs, name_length); |
218 | return chrs; |
219 | } |
220 | |
221 | struct value * |
222 | java_class_from_object (struct value *obj_val) |
223 | { |
224 | /* This is all rather inefficient, since the offsets of vtable and |
225 | class are fixed. FIXME */ |
226 | struct value *vtable_val; |
227 | |
228 | if (TYPE_CODE (VALUE_TYPE (obj_val))((obj_val)->type)->main_type->code == TYPE_CODE_PTR |
229 | && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (obj_val)))(((obj_val)->type)->main_type->target_type)->length == 0) |
230 | obj_val = value_at (get_java_object_type (), |
231 | value_as_address (obj_val), NULL((void*)0)); |
232 | |
233 | vtable_val = value_struct_elt (&obj_val, NULL((void*)0), "vtable", NULL((void*)0), "structure"); |
234 | return value_struct_elt (&vtable_val, NULL((void*)0), "class", NULL((void*)0), "structure"); |
235 | } |
236 | |
237 | /* Check if CLASS_IS_PRIMITIVE(value of clas): */ |
238 | static int |
239 | java_class_is_primitive (struct value *clas) |
240 | { |
241 | struct value *vtable = value_struct_elt (&clas, NULL((void*)0), "vtable", NULL((void*)0), "struct"); |
242 | CORE_ADDR i = value_as_address (vtable); |
243 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; |
244 | } |
245 | |
246 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ |
247 | |
248 | struct type * |
249 | type_from_class (struct value *clas) |
250 | { |
251 | struct type *type; |
252 | char *name; |
253 | struct value *temp; |
254 | struct objfile *objfile; |
255 | struct value *utf8_name; |
256 | char *nptr; |
257 | CORE_ADDR addr; |
258 | struct block *bl; |
259 | struct dict_iterator iter; |
260 | int is_array = 0; |
261 | |
262 | type = check_typedef (VALUE_TYPE (clas)(clas)->type); |
263 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR) |
264 | { |
265 | if (value_logical_not (clas)) |
266 | return NULL((void*)0); |
267 | clas = value_ind (clas); |
268 | } |
269 | addr = VALUE_ADDRESS (clas)(clas)->location.address + VALUE_OFFSET (clas)(clas)->offset; |
270 | |
271 | #if 0 |
272 | get_java_class_symtab (); |
273 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK)((class_symtab)->blockvector)->block[GLOBAL_BLOCK]; |
274 | ALL_BLOCK_SYMBOLS (block, iter, sym)for ((sym) = dict_iterator_first (((block)->dict), &(iter )); (sym); (sym) = dict_iterator_next (&(iter))) |
275 | { |
276 | if (SYMBOL_VALUE_ADDRESS (sym)(sym)->ginfo.value.address == addr) |
277 | return SYMBOL_TYPE (sym)(sym)->type; |
278 | } |
279 | #endif |
280 | |
281 | objfile = get_dynamics_objfile (); |
282 | if (java_class_is_primitive (clas)) |
283 | { |
284 | struct value *sig; |
285 | temp = clas; |
286 | sig = value_struct_elt (&temp, NULL((void*)0), "method_count", NULL((void*)0), "structure"); |
287 | return java_primitive_type (value_as_long (sig)); |
288 | } |
289 | |
290 | /* Get Class name. */ |
291 | /* if clasloader non-null, prepend loader address. FIXME */ |
292 | temp = clas; |
293 | utf8_name = value_struct_elt (&temp, NULL((void*)0), "name", NULL((void*)0), "structure"); |
294 | name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name); |
295 | for (nptr = name; *nptr != 0; nptr++) |
296 | { |
297 | if (*nptr == '/') |
298 | *nptr = '.'; |
299 | } |
300 | |
301 | type = java_lookup_class (name); |
302 | if (type != NULL((void*)0)) |
303 | return type; |
304 | |
305 | type = alloc_type (objfile); |
306 | TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_STRUCT; |
307 | INIT_CPLUS_SPECIFIC (type)((type)->main_type->type_specific.cplus_stuff=(struct cplus_struct_type *)&cplus_struct_default); |
308 | |
309 | if (name[0] == '[') |
310 | { |
311 | char *signature = name; |
312 | int namelen = java_demangled_signature_length (signature); |
313 | if (namelen > strlen (name)) |
314 | name = obstack_alloc (&objfile->objfile_obstack, namelen + 1)__extension__ ({ struct obstack *__h = (&objfile->objfile_obstack ); __extension__ ({ struct obstack *__o = (__h); int __len = ( (namelen + 1)); if (__o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char * ) 0)+__o1->alignment_mask) & ~ (__o1->alignment_mask )) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1-> next_free = __o1->chunk_limit; __o1->object_base = __o1 ->next_free; value; }); }); |
315 | java_demangled_signature_copy (name, signature); |
316 | name[namelen] = '\0'; |
317 | is_array = 1; |
318 | temp = clas; |
319 | /* Set array element type. */ |
320 | temp = value_struct_elt (&temp, NULL((void*)0), "methods", NULL((void*)0), "structure"); |
321 | VALUE_TYPE (temp)(temp)->type = lookup_pointer_type (VALUE_TYPE (clas)(clas)->type); |
322 | TYPE_TARGET_TYPE (type)(type)->main_type->target_type = type_from_class (temp); |
323 | } |
324 | |
325 | ALLOCATE_CPLUS_STRUCT_TYPE (type)allocate_cplus_struct_type (type); |
326 | TYPE_TAG_NAME (type)(type)->main_type->tag_name = name; |
327 | |
328 | add_class_symtab_symbol (add_class_symbol (type, addr)); |
329 | return java_link_class_type (type, clas); |
330 | } |
331 | |
332 | /* Fill in class TYPE with data from the CLAS value. */ |
333 | |
334 | struct type * |
335 | java_link_class_type (struct type *type, struct value *clas) |
336 | { |
337 | struct value *temp; |
338 | char *unqualified_name; |
339 | char *name = TYPE_TAG_NAME (type)(type)->main_type->tag_name; |
340 | int ninterfaces, nfields, nmethods; |
341 | int type_is_object = 0; |
342 | struct fn_field *fn_fields; |
343 | struct fn_fieldlist *fn_fieldlists; |
344 | struct value *fields; |
345 | struct value *methods; |
346 | struct value *method = NULL((void*)0); |
347 | struct value *field = NULL((void*)0); |
348 | int i, j; |
349 | struct objfile *objfile = get_dynamics_objfile (); |
350 | struct type *tsuper; |
351 | |
352 | unqualified_name = strrchr (name, '.'); |
353 | if (unqualified_name == NULL((void*)0)) |
354 | unqualified_name = name; |
355 | |
356 | temp = clas; |
357 | temp = value_struct_elt (&temp, NULL((void*)0), "superclass", NULL((void*)0), "structure"); |
358 | if (name != NULL((void*)0) && strcmp (name, "java.lang.Object") == 0) |
359 | { |
360 | tsuper = get_java_object_type (); |
361 | if (tsuper && TYPE_CODE (tsuper)(tsuper)->main_type->code == TYPE_CODE_PTR) |
362 | tsuper = TYPE_TARGET_TYPE (tsuper)(tsuper)->main_type->target_type; |
363 | type_is_object = 1; |
364 | } |
365 | else |
366 | tsuper = type_from_class (temp); |
367 | |
368 | #if 1 |
369 | ninterfaces = 0; |
370 | #else |
371 | temp = clas; |
372 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL((void*)0), "interface_len", NULL((void*)0), "structure")); |
373 | #endif |
374 | TYPE_N_BASECLASSES (type)(type)->main_type->type_specific.cplus_stuff->n_baseclasses = (tsuper == NULL((void*)0) ? 0 : 1) + ninterfaces; |
375 | temp = clas; |
376 | nfields = value_as_long (value_struct_elt (&temp, NULL((void*)0), "field_count", NULL((void*)0), "structure")); |
377 | nfields += TYPE_N_BASECLASSES (type)(type)->main_type->type_specific.cplus_stuff->n_baseclasses; |
378 | nfields++; /* Add one for dummy "class" field. */ |
379 | TYPE_NFIELDS (type)(type)->main_type->nfields = nfields; |
380 | TYPE_FIELDS (type)(type)->main_type->fields = (struct field *) |
381 | TYPE_ALLOC (type, sizeof (struct field) * nfields)((type)->main_type->objfile != ((void*)0) ? __extension__ ({ struct obstack *__h = (&(type)->main_type->objfile -> objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((sizeof (struct field) * nfields)); if (__o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }) : xmalloc (sizeof (struct field) * nfields)); |
382 | |
383 | memset (TYPE_FIELDS (type)(type)->main_type->fields, 0, sizeof (struct field) * nfields); |
384 | |
385 | TYPE_FIELD_PRIVATE_BITS (type)(type)->main_type->type_specific.cplus_stuff->private_field_bits = |
386 | (B_TYPEunsigned char *) TYPE_ALLOC (type, B_BYTES (nfields))((type)->main_type->objfile != ((void*)0) ? __extension__ ({ struct obstack *__h = (&(type)->main_type->objfile -> objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((( 1 + ((nfields)>>3) ))); if (__o ->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }) : xmalloc (( 1 + ((nfields)>>3) ))); |
387 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields)memset (((type)->main_type->type_specific.cplus_stuff-> private_field_bits), 0, ( 1 + ((nfields)>>3) )); |
388 | |
389 | TYPE_FIELD_PROTECTED_BITS (type)(type)->main_type->type_specific.cplus_stuff->protected_field_bits = |
390 | (B_TYPEunsigned char *) TYPE_ALLOC (type, B_BYTES (nfields))((type)->main_type->objfile != ((void*)0) ? __extension__ ({ struct obstack *__h = (&(type)->main_type->objfile -> objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((( 1 + ((nfields)>>3) ))); if (__o ->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }) : xmalloc (( 1 + ((nfields)>>3) ))); |
391 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields)memset (((type)->main_type->type_specific.cplus_stuff-> protected_field_bits), 0, ( 1 + ((nfields)>>3) )); |
392 | |
393 | TYPE_FIELD_IGNORE_BITS (type)(type)->main_type->type_specific.cplus_stuff->ignore_field_bits = |
394 | (B_TYPEunsigned char *) TYPE_ALLOC (type, B_BYTES (nfields))((type)->main_type->objfile != ((void*)0) ? __extension__ ({ struct obstack *__h = (&(type)->main_type->objfile -> objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((( 1 + ((nfields)>>3) ))); if (__o ->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len); ((__o)->next_free += (__len)); (void) 0; }) ; __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask ) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1-> next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit ; __o1->object_base = __o1->next_free; value; }); }) : xmalloc (( 1 + ((nfields)>>3) ))); |
395 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields)memset (((type)->main_type->type_specific.cplus_stuff-> ignore_field_bits), 0, ( 1 + ((nfields)>>3) )); |
396 | |
397 | TYPE_FIELD_VIRTUAL_BITS (type)(type)->main_type->type_specific.cplus_stuff->virtual_field_bits = (B_TYPEunsigned char *) |
398 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)))((type)->main_type->objfile != ((void*)0) ? __extension__ ({ struct obstack *__h = (&(type)->main_type->objfile -> objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((( 1 + (((type)->main_type->type_specific .cplus_stuff->n_baseclasses)>>3) ))); if (__o->chunk_limit - __o->next_free < __len) _obstack_newchunk (__o, __len ); ((__o)->next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void * ) __o1->object_base; if (__o1->next_free == value) __o1 ->maybe_empty_object = 1; __o1->next_free = (((((__o1-> next_free) - (char *) 0)+__o1->alignment_mask) & ~ (__o1 ->alignment_mask)) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1 ->chunk) __o1->next_free = __o1->chunk_limit; __o1-> object_base = __o1->next_free; value; }); }) : xmalloc (( 1 + (((type)->main_type->type_specific.cplus_stuff->n_baseclasses )>>3) ))); |
399 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type))memset (((type)->main_type->type_specific.cplus_stuff-> virtual_field_bits), 0, ( 1 + (((type)->main_type->type_specific .cplus_stuff->n_baseclasses)>>3) )); |
400 | |
401 | if (tsuper != NULL((void*)0)) |
402 | { |
403 | TYPE_BASECLASS (type, 0)(type)->main_type->fields[0].type = tsuper; |
404 | if (type_is_object) |
405 | SET_TYPE_FIELD_PRIVATE (type, 0)(((type)->main_type->type_specific.cplus_stuff->private_field_bits )[((0))>>3] |= (1 << (((0))&7))); |
406 | } |
407 | |
408 | i = strlen (name); |
409 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL((void*)0)) |
410 | { |
411 | /* FIXME */ |
412 | TYPE_LENGTH (type)(type)->length = TYPE_LENGTH (tsuper)(tsuper)->length + 4; /* size with "length" */ |
413 | } |
414 | else |
415 | { |
416 | temp = clas; |
417 | temp = value_struct_elt (&temp, NULL((void*)0), "size_in_bytes", NULL((void*)0), "structure"); |
418 | TYPE_LENGTH (type)(type)->length = value_as_long (temp); |
419 | } |
420 | |
421 | fields = NULL((void*)0); |
422 | nfields--; /* First set up dummy "class" field. */ |
423 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields),(((type)->main_type->fields[nfields]).static_kind = 2, ( ((type)->main_type->fields[nfields]).loc.physaddr) = (( clas)->location.address + (clas)->offset)) |
424 | VALUE_ADDRESS (clas) + VALUE_OFFSET (clas))(((type)->main_type->fields[nfields]).static_kind = 2, ( ((type)->main_type->fields[nfields]).loc.physaddr) = (( clas)->location.address + (clas)->offset)); |
425 | TYPE_FIELD_NAME (type, nfields)(((type)->main_type->fields[nfields]).name) = "class"; |
426 | TYPE_FIELD_TYPE (type, nfields)(((type)->main_type->fields[nfields]).type) = VALUE_TYPE (clas)(clas)->type; |
427 | SET_TYPE_FIELD_PRIVATE (type, nfields)(((type)->main_type->type_specific.cplus_stuff->private_field_bits )[((nfields))>>3] |= (1 << (((nfields))&7))); |
428 | |
429 | for (i = TYPE_N_BASECLASSES (type)(type)->main_type->type_specific.cplus_stuff->n_baseclasses; i < nfields; i++) |
430 | { |
431 | int accflags; |
432 | int boffset; |
433 | if (fields == NULL((void*)0)) |
434 | { |
435 | temp = clas; |
436 | fields = value_struct_elt (&temp, NULL((void*)0), "fields", NULL((void*)0), "structure"); |
437 | field = value_ind (fields); |
438 | } |
439 | else |
440 | { /* Re-use field value for next field. */ |
441 | VALUE_ADDRESS (field)(field)->location.address += TYPE_LENGTH (VALUE_TYPE (field))((field)->type)->length; |
442 | VALUE_LAZY (field)(field)->lazy = 1; |
443 | } |
444 | temp = field; |
445 | temp = value_struct_elt (&temp, NULL((void*)0), "name", NULL((void*)0), "structure"); |
446 | TYPE_FIELD_NAME (type, i)(((type)->main_type->fields[i]).name) = |
447 | get_java_utf8_name (&objfile->objfile_obstack, temp); |
448 | temp = field; |
449 | accflags = value_as_long (value_struct_elt (&temp, NULL((void*)0), "accflags", |
450 | NULL((void*)0), "structure")); |
451 | temp = field; |
452 | temp = value_struct_elt (&temp, NULL((void*)0), "info", NULL((void*)0), "structure"); |
453 | boffset = value_as_long (value_struct_elt (&temp, NULL((void*)0), "boffset", |
454 | NULL((void*)0), "structure")); |
455 | if (accflags & 0x0001) /* public access */ |
456 | { |
457 | /* ??? */ |
458 | } |
459 | if (accflags & 0x0002) /* private access */ |
460 | { |
461 | SET_TYPE_FIELD_PRIVATE (type, i)(((type)->main_type->type_specific.cplus_stuff->private_field_bits )[((i))>>3] |= (1 << (((i))&7))); |
462 | } |
463 | if (accflags & 0x0004) /* protected access */ |
464 | { |
465 | SET_TYPE_FIELD_PROTECTED (type, i)(((type)->main_type->type_specific.cplus_stuff->protected_field_bits )[((i))>>3] |= (1 << (((i))&7))); |
466 | } |
467 | if (accflags & 0x0008) /* ACC_STATIC */ |
468 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset)(((type)->main_type->fields[i]).static_kind = 2, (((type )->main_type->fields[i]).loc.physaddr) = (boffset)); |
469 | else |
470 | TYPE_FIELD_BITPOS (type, i)(((type)->main_type->fields[i]).loc.bitpos) = 8 * boffset; |
471 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
472 | { |
473 | TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type) = get_java_object_type (); /* FIXME */ |
474 | } |
475 | else |
476 | { |
477 | struct type *ftype; |
478 | temp = field; |
479 | temp = value_struct_elt (&temp, NULL((void*)0), "type", NULL((void*)0), "structure"); |
480 | ftype = type_from_class (temp); |
481 | if (TYPE_CODE (ftype)(ftype)->main_type->code == TYPE_CODE_STRUCT) |
482 | ftype = lookup_pointer_type (ftype); |
483 | TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type) = ftype; |
484 | } |
485 | } |
486 | |
487 | temp = clas; |
488 | nmethods = value_as_long (value_struct_elt (&temp, NULL((void*)0), "method_count", |
489 | NULL((void*)0), "structure")); |
490 | TYPE_NFN_FIELDS_TOTAL (type)(type)->main_type->type_specific.cplus_stuff->nfn_fields_total = nmethods; |
491 | j = nmethods * sizeof (struct fn_field); |
492 | fn_fields = (struct fn_field *) |
493 | obstack_alloc (&dynamics_objfile->objfile_obstack, j)__extension__ ({ struct obstack *__h = (&dynamics_objfile ->objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((j)); if (__o->chunk_limit - __o-> next_free < __len) _obstack_newchunk (__o, __len); ((__o)-> next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base ; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char * ) 0)+__o1->alignment_mask) & ~ (__o1->alignment_mask )) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1-> next_free = __o1->chunk_limit; __o1->object_base = __o1 ->next_free; value; }); }); |
494 | memset (fn_fields, 0, j); |
495 | fn_fieldlists = (struct fn_fieldlist *) |
496 | alloca (nmethods * sizeof (struct fn_fieldlist))__builtin_alloca(nmethods * sizeof (struct fn_fieldlist)); |
497 | |
498 | methods = NULL((void*)0); |
499 | for (i = 0; i < nmethods; i++) |
500 | { |
501 | char *mname; |
502 | int k; |
503 | if (methods == NULL((void*)0)) |
504 | { |
505 | temp = clas; |
506 | methods = value_struct_elt (&temp, NULL((void*)0), "methods", NULL((void*)0), "structure"); |
507 | method = value_ind (methods); |
508 | } |
509 | else |
510 | { /* Re-use method value for next method. */ |
511 | VALUE_ADDRESS (method)(method)->location.address += TYPE_LENGTH (VALUE_TYPE (method))((method)->type)->length; |
512 | VALUE_LAZY (method)(method)->lazy = 1; |
513 | } |
514 | |
515 | /* Get method name. */ |
516 | temp = method; |
517 | temp = value_struct_elt (&temp, NULL((void*)0), "name", NULL((void*)0), "structure"); |
518 | mname = get_java_utf8_name (&objfile->objfile_obstack, temp); |
519 | if (strcmp (mname, "<init>") == 0) |
520 | mname = unqualified_name; |
521 | |
522 | /* Check for an existing method with the same name. |
523 | * This makes building the fn_fieldslists an O(nmethods**2) |
524 | * operation. That could be using hashing, but I doubt it |
525 | * is worth it. Note that we do maintain the order of methods |
526 | * in the inferior's Method table (as long as that is grouped |
527 | * by method name), which I think is desirable. --PB */ |
528 | for (k = 0, j = TYPE_NFN_FIELDS (type)(type)->main_type->type_specific.cplus_stuff->nfn_fields;;) |
529 | { |
530 | if (--j < 0) |
531 | { /* No match - new method name. */ |
532 | j = TYPE_NFN_FIELDS (type)(type)->main_type->type_specific.cplus_stuff->nfn_fields++; |
533 | fn_fieldlists[j].name = mname; |
534 | fn_fieldlists[j].length = 1; |
535 | fn_fieldlists[j].fn_fields = &fn_fields[i]; |
536 | k = i; |
537 | break; |
538 | } |
539 | if (strcmp (mname, fn_fieldlists[j].name) == 0) |
540 | { /* Found an existing method with the same name. */ |
541 | int l; |
542 | if (mname != unqualified_name) |
543 | obstack_free (&objfile->objfile_obstack, mname)__extension__ ({ struct obstack *__o = (&objfile->objfile_obstack ); void *__obj = (mname); if (__obj > (void *)__o->chunk && __obj < (void *)__o->chunk_limit) __o->next_free = __o->object_base = __obj; else (obstack_free) (__o, __obj ); }); |
544 | mname = fn_fieldlists[j].name; |
Value stored to 'mname' is never read | |
545 | fn_fieldlists[j].length++; |
546 | k = i - k; /* Index of new slot. */ |
547 | /* Shift intervening fn_fields (between k and i) down. */ |
548 | for (l = i; l > k; l--) |
549 | fn_fields[l] = fn_fields[l - 1]; |
550 | for (l = TYPE_NFN_FIELDS (type)(type)->main_type->type_specific.cplus_stuff->nfn_fields; --l > j;) |
551 | fn_fieldlists[l].fn_fields++; |
552 | break; |
553 | } |
554 | k += fn_fieldlists[j].length; |
555 | } |
556 | fn_fields[k].physname = ""; |
557 | fn_fields[k].is_stub = 1; |
558 | fn_fields[k].type = make_function_type (java_void_type, NULL((void*)0)); /* FIXME */ |
559 | TYPE_CODE (fn_fields[k].type)(fn_fields[k].type)->main_type->code = TYPE_CODE_METHOD; |
560 | } |
561 | |
562 | j = TYPE_NFN_FIELDS (type)(type)->main_type->type_specific.cplus_stuff->nfn_fields * sizeof (struct fn_fieldlist); |
563 | TYPE_FN_FIELDLISTS (type)(type)->main_type->type_specific.cplus_stuff->fn_fieldlists = (struct fn_fieldlist *) |
564 | obstack_alloc (&dynamics_objfile->objfile_obstack, j)__extension__ ({ struct obstack *__h = (&dynamics_objfile ->objfile_obstack); __extension__ ({ struct obstack *__o = (__h); int __len = ((j)); if (__o->chunk_limit - __o-> next_free < __len) _obstack_newchunk (__o, __len); ((__o)-> next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack *__o1 = (__h); void *value; value = (void *) __o1->object_base ; if (__o1->next_free == value) __o1->maybe_empty_object = 1; __o1->next_free = (((((__o1->next_free) - (char * ) 0)+__o1->alignment_mask) & ~ (__o1->alignment_mask )) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1->chunk) __o1-> next_free = __o1->chunk_limit; __o1->object_base = __o1 ->next_free; value; }); }); |
565 | memcpy (TYPE_FN_FIELDLISTS (type)(type)->main_type->type_specific.cplus_stuff->fn_fieldlists, fn_fieldlists, j); |
566 | |
567 | return type; |
568 | } |
569 | |
570 | static struct type *java_object_type; |
571 | |
572 | struct type * |
573 | get_java_object_type (void) |
574 | { |
575 | if (java_object_type == NULL((void*)0)) |
576 | { |
577 | struct symbol *sym; |
578 | sym = lookup_symbol ("java.lang.Object", NULL((void*)0), STRUCT_DOMAIN, |
579 | (int *) 0, (struct symtab **) NULL((void*)0)); |
580 | if (sym == NULL((void*)0)) |
581 | error ("cannot find java.lang.Object"); |
582 | java_object_type = SYMBOL_TYPE (sym)(sym)->type; |
583 | } |
584 | return java_object_type; |
585 | } |
586 | |
587 | int |
588 | get_java_object_header_size (void) |
589 | { |
590 | struct type *objtype = get_java_object_type (); |
591 | if (objtype == NULL((void*)0)) |
592 | return (2 * TARGET_PTR_BIT(gdbarch_ptr_bit (current_gdbarch)) / TARGET_CHAR_BIT8); |
593 | else |
594 | return TYPE_LENGTH (objtype)(objtype)->length; |
595 | } |
596 | |
597 | int |
598 | is_object_type (struct type *type) |
599 | { |
600 | CHECK_TYPEDEF (type)(type) = check_typedef (type); |
601 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR) |
602 | { |
603 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
604 | char *name; |
605 | if (TYPE_CODE (ttype)(ttype)->main_type->code != TYPE_CODE_STRUCT) |
606 | return 0; |
607 | while (TYPE_N_BASECLASSES (ttype)(ttype)->main_type->type_specific.cplus_stuff->n_baseclasses > 0) |
608 | ttype = TYPE_BASECLASS (ttype, 0)(ttype)->main_type->fields[0].type; |
609 | name = TYPE_TAG_NAME (ttype)(ttype)->main_type->tag_name; |
610 | if (name != NULL((void*)0) && strcmp (name, "java.lang.Object") == 0) |
611 | return 1; |
612 | name = TYPE_NFIELDS (ttype)(ttype)->main_type->nfields > 0 ? TYPE_FIELD_NAME (ttype, 0)(((ttype)->main_type->fields[0]).name) : (char *) 0; |
613 | if (name != NULL((void*)0) && strcmp (name, "vtable") == 0) |
614 | { |
615 | if (java_object_type == NULL((void*)0)) |
616 | java_object_type = type; |
617 | return 1; |
618 | } |
619 | } |
620 | return 0; |
621 | } |
622 | |
623 | struct type * |
624 | java_primitive_type (int signature) |
625 | { |
626 | switch (signature) |
627 | { |
628 | case 'B': |
629 | return java_byte_type; |
630 | case 'S': |
631 | return java_short_type; |
632 | case 'I': |
633 | return java_int_type; |
634 | case 'J': |
635 | return java_long_type; |
636 | case 'Z': |
637 | return java_boolean_type; |
638 | case 'C': |
639 | return java_char_type; |
640 | case 'F': |
641 | return java_float_type; |
642 | case 'D': |
643 | return java_double_type; |
644 | case 'V': |
645 | return java_void_type; |
646 | } |
647 | error ("unknown signature '%c' for primitive type", (char) signature); |
648 | } |
649 | |
650 | /* If name[0 .. namelen-1] is the name of a primitive Java type, |
651 | return that type. Otherwise, return NULL. */ |
652 | |
653 | struct type * |
654 | java_primitive_type_from_name (char *name, int namelen) |
655 | { |
656 | switch (name[0]) |
657 | { |
658 | case 'b': |
659 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) |
660 | return java_byte_type; |
661 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) |
662 | return java_boolean_type; |
663 | break; |
664 | case 'c': |
665 | if (namelen == 4 && memcmp (name, "char", 4) == 0) |
666 | return java_char_type; |
667 | case 'd': |
668 | if (namelen == 6 && memcmp (name, "double", 6) == 0) |
669 | return java_double_type; |
670 | break; |
671 | case 'f': |
672 | if (namelen == 5 && memcmp (name, "float", 5) == 0) |
673 | return java_float_type; |
674 | break; |
675 | case 'i': |
676 | if (namelen == 3 && memcmp (name, "int", 3) == 0) |
677 | return java_int_type; |
678 | break; |
679 | case 'l': |
680 | if (namelen == 4 && memcmp (name, "long", 4) == 0) |
681 | return java_long_type; |
682 | break; |
683 | case 's': |
684 | if (namelen == 5 && memcmp (name, "short", 5) == 0) |
685 | return java_short_type; |
686 | break; |
687 | case 'v': |
688 | if (namelen == 4 && memcmp (name, "void", 4) == 0) |
689 | return java_void_type; |
690 | break; |
691 | } |
692 | return NULL((void*)0); |
693 | } |
694 | |
695 | /* Return the length (in bytes) of demangled name of the Java type |
696 | signature string SIGNATURE. */ |
697 | |
698 | static int |
699 | java_demangled_signature_length (char *signature) |
700 | { |
701 | int array = 0; |
702 | for (; *signature == '['; signature++) |
703 | array += 2; /* Two chars for "[]". */ |
704 | switch (signature[0]) |
705 | { |
706 | case 'L': |
707 | /* Subtract 2 for 'L' and ';'. */ |
708 | return strlen (signature) - 2 + array; |
709 | default: |
710 | return strlen (TYPE_NAME (java_primitive_type (signature[0]))(java_primitive_type (signature[0]))->main_type->name) + array; |
711 | } |
712 | } |
713 | |
714 | /* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */ |
715 | |
716 | static void |
717 | java_demangled_signature_copy (char *result, char *signature) |
718 | { |
719 | int array = 0; |
720 | char *ptr; |
721 | int i; |
722 | while (*signature == '[') |
723 | { |
724 | array++; |
725 | signature++; |
726 | } |
727 | switch (signature[0]) |
728 | { |
729 | case 'L': |
730 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ |
731 | signature++; |
732 | ptr = result; |
733 | for (; *signature != ';' && *signature != '\0'; signature++) |
734 | { |
735 | if (*signature == '/') |
736 | *ptr++ = '.'; |
737 | else |
738 | *ptr++ = *signature; |
739 | } |
740 | break; |
741 | default: |
742 | ptr = TYPE_NAME (java_primitive_type (signature[0]))(java_primitive_type (signature[0]))->main_type->name; |
743 | i = strlen (ptr); |
744 | strcpy (result, ptr); |
745 | ptr = result + i; |
746 | break; |
747 | } |
748 | while (--array >= 0) |
749 | { |
750 | *ptr++ = '['; |
751 | *ptr++ = ']'; |
752 | } |
753 | } |
754 | |
755 | /* Return the demangled name of the Java type signature string SIGNATURE, |
756 | as a freshly allocated copy. */ |
757 | |
758 | char * |
759 | java_demangle_type_signature (char *signature) |
760 | { |
761 | int length = java_demangled_signature_length (signature); |
762 | char *result = xmalloc (length + 1); |
763 | java_demangled_signature_copy (result, signature); |
764 | result[length] = '\0'; |
765 | return result; |
766 | } |
767 | |
768 | /* Return the type of TYPE followed by DIMS pairs of [ ]. |
769 | If DIMS == 0, TYPE is returned. */ |
770 | |
771 | struct type * |
772 | java_array_type (struct type *type, int dims) |
773 | { |
774 | struct type *range_type; |
775 | |
776 | while (dims-- > 0) |
777 | { |
778 | range_type = create_range_type (NULL((void*)0), builtin_type_int, 0, 0); |
779 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ |
780 | type = create_array_type (NULL((void*)0), type, range_type); |
781 | } |
782 | |
783 | return type; |
784 | } |
785 | |
786 | /* Create a Java string in the inferior from a (Utf8) literal. */ |
787 | |
788 | static struct value * |
789 | java_value_string (char *ptr, int len) |
790 | { |
791 | error ("not implemented - java_value_string"); /* FIXME */ |
792 | } |
793 | |
794 | /* Print the character C on STREAM as part of the contents of a literal |
795 | string whose delimiter is QUOTER. Note that that format for printing |
796 | characters and strings is language specific. */ |
797 | |
798 | static void |
799 | java_emit_char (int c, struct ui_file *stream, int quoter) |
800 | { |
801 | switch (c) |
802 | { |
803 | case '\\': |
804 | case '\'': |
805 | fprintf_filtered (stream, "\\%c", c); |
806 | break; |
807 | case '\b': |
808 | fputs_filtered ("\\b", stream); |
809 | break; |
810 | case '\t': |
811 | fputs_filtered ("\\t", stream); |
812 | break; |
813 | case '\n': |
814 | fputs_filtered ("\\n", stream); |
815 | break; |
816 | case '\f': |
817 | fputs_filtered ("\\f", stream); |
818 | break; |
819 | case '\r': |
820 | fputs_filtered ("\\r", stream); |
821 | break; |
822 | default: |
823 | if (isprint (c)) |
824 | fputc_filtered (c, stream); |
825 | else |
826 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); |
827 | break; |
828 | } |
829 | } |
830 | |
831 | static struct value * |
832 | evaluate_subexp_java (struct type *expect_type, struct expression *exp, |
833 | int *pos, enum noside noside) |
834 | { |
835 | int pc = *pos; |
836 | int i; |
837 | char *name; |
838 | enum exp_opcode op = exp->elts[*pos].opcode; |
839 | struct value *arg1; |
840 | struct value *arg2; |
841 | struct type *type; |
842 | switch (op) |
843 | { |
844 | case UNOP_IND: |
845 | if (noside == EVAL_SKIP) |
846 | goto standard; |
847 | (*pos)++; |
848 | arg1 = evaluate_subexp_java (NULL_TYPE((struct type *) 0), exp, pos, EVAL_NORMAL); |
849 | if (is_object_type (VALUE_TYPE (arg1)(arg1)->type)) |
850 | { |
851 | struct type *type; |
852 | |
853 | type = type_from_class (java_class_from_object (arg1)); |
854 | arg1 = value_cast (lookup_pointer_type (type), arg1); |
855 | } |
856 | if (noside == EVAL_SKIP) |
857 | goto nosideret; |
858 | return value_ind (arg1); |
859 | |
860 | case BINOP_SUBSCRIPT: |
861 | (*pos)++; |
862 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); |
863 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); |
864 | if (noside == EVAL_SKIP) |
865 | goto nosideret; |
866 | /* If the user attempts to subscript something that is not an |
867 | array or pointer type (like a plain int variable for example), |
868 | then report this as an error. */ |
869 | |
870 | COERCE_REF (arg1)do { struct type *value_type_arg_tmp = check_typedef ((arg1)-> type); if ((value_type_arg_tmp)->main_type->code == TYPE_CODE_REF ) arg1 = value_at_lazy ((value_type_arg_tmp)->main_type-> target_type, unpack_pointer ((arg1)->type, ((void)((arg1)-> lazy && value_fetch_lazy(arg1)), ((char *) (arg1)-> aligner.contents + (arg1)->embedded_offset))), ((arg1)-> bfd_section)); } while (0); |
871 | type = check_typedef (VALUE_TYPE (arg1)(arg1)->type); |
872 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR) |
873 | type = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
874 | name = TYPE_NAME (type)(type)->main_type->name; |
875 | if (name == NULL((void*)0)) |
876 | name = TYPE_TAG_NAME (type)(type)->main_type->tag_name; |
877 | i = name == NULL((void*)0) ? 0 : strlen (name); |
878 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_STRUCT |
879 | && i > 2 && name[i - 1] == ']') |
880 | { |
881 | CORE_ADDR address; |
882 | long length, index; |
883 | struct type *el_type; |
884 | char buf4[4]; |
885 | |
886 | struct value *clas = java_class_from_object (arg1); |
887 | struct value *temp = clas; |
888 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
889 | temp = value_struct_elt (&temp, NULL((void*)0), "methods", |
890 | NULL((void*)0), "structure"); |
891 | VALUE_TYPE (temp)(temp)->type = VALUE_TYPE (clas)(clas)->type; |
892 | el_type = type_from_class (temp); |
893 | if (TYPE_CODE (el_type)(el_type)->main_type->code == TYPE_CODE_STRUCT) |
894 | el_type = lookup_pointer_type (el_type); |
895 | |
896 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
897 | return value_zero (el_type, VALUE_LVAL (arg1)(arg1)->lval); |
898 | address = value_as_address (arg1); |
899 | address += JAVA_OBJECT_SIZE(get_java_object_header_size ()); |
900 | read_memory (address, buf4, 4); |
901 | length = (long) extract_signed_integer (buf4, 4); |
902 | index = (long) value_as_long (arg2); |
903 | if (index >= length || index < 0) |
904 | error ("array index (%ld) out of bounds (length: %ld)", |
905 | index, length); |
906 | address = (address + 4) + index * TYPE_LENGTH (el_type)(el_type)->length; |
907 | return value_at (el_type, address, NULL((void*)0)); |
908 | } |
909 | else if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_ARRAY) |
910 | { |
911 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
912 | return value_zero (TYPE_TARGET_TYPE (type)(type)->main_type->target_type, VALUE_LVAL (arg1)(arg1)->lval); |
913 | else |
914 | return value_subscript (arg1, arg2); |
915 | } |
916 | if (name) |
917 | error ("cannot subscript something of type `%s'", name); |
918 | else |
919 | error ("cannot subscript requested type"); |
920 | |
921 | case OP_STRING: |
922 | (*pos)++; |
923 | i = longest_to_int (exp->elts[pc + 1].longconst); |
924 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1)(((i + 1) + sizeof (union exp_element) - 1) / sizeof (union exp_element )); |
925 | if (noside == EVAL_SKIP) |
926 | goto nosideret; |
927 | return java_value_string (&exp->elts[pc + 2].string, i); |
928 | |
929 | case STRUCTOP_STRUCT: |
930 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); |
931 | /* Convert object field (such as TYPE.class) to reference. */ |
932 | if (TYPE_CODE (VALUE_TYPE (arg1))((arg1)->type)->main_type->code == TYPE_CODE_STRUCT) |
933 | arg1 = value_addr (arg1); |
934 | return arg1; |
935 | default: |
936 | break; |
937 | } |
938 | standard: |
939 | return evaluate_subexp_standard (expect_type, exp, pos, noside); |
940 | nosideret: |
941 | return value_from_longest (builtin_type_long, (LONGESTlong) 1); |
942 | } |
943 | |
944 | static struct type * |
945 | java_create_fundamental_type (struct objfile *objfile, int typeid) |
946 | { |
947 | switch (typeid) |
948 | { |
949 | case FT_VOID0: |
950 | return java_void_type; |
951 | case FT_BOOLEAN1: |
952 | return java_boolean_type; |
953 | case FT_CHAR2: |
954 | return java_char_type; |
955 | case FT_FLOAT17: |
956 | return java_float_type; |
957 | case FT_DBL_PREC_FLOAT18: |
958 | return java_double_type; |
959 | case FT_BYTE26: |
960 | case FT_SIGNED_CHAR3: |
961 | return java_byte_type; |
962 | case FT_SHORT5: |
963 | case FT_SIGNED_SHORT6: |
964 | return java_short_type; |
965 | case FT_INTEGER8: |
966 | case FT_SIGNED_INTEGER9: |
967 | return java_int_type; |
968 | case FT_LONG11: |
969 | case FT_SIGNED_LONG12: |
970 | return java_long_type; |
971 | } |
972 | return c_create_fundamental_type (objfile, typeid); |
973 | } |
974 | |
975 | static char *java_demangle (const char *mangled, int options) |
976 | { |
977 | return cplus_demangle (mangled, options | DMGL_JAVA(1 << 2)); |
978 | } |
979 | |
980 | /* Find the member function name of the demangled name NAME. NAME |
981 | must be a method name including arguments, in order to correctly |
982 | locate the last component. |
983 | |
984 | This function return a pointer to the first dot before the |
985 | member function name, or NULL if the name was not of the |
986 | expected form. */ |
987 | |
988 | static const char * |
989 | java_find_last_component (const char *name) |
990 | { |
991 | const char *p; |
992 | |
993 | /* Find argument list. */ |
994 | p = strchr (name, '('); |
995 | |
996 | if (p == NULL((void*)0)) |
997 | return NULL((void*)0); |
998 | |
999 | /* Back up and find first dot prior to argument list. */ |
1000 | while (p > name && *p != '.') |
1001 | p--; |
1002 | |
1003 | if (p == name) |
1004 | return NULL((void*)0); |
1005 | |
1006 | return p; |
1007 | } |
1008 | |
1009 | /* Return the name of the class containing method PHYSNAME. */ |
1010 | |
1011 | static char * |
1012 | java_class_name_from_physname (const char *physname) |
1013 | { |
1014 | char *ret = NULL((void*)0); |
1015 | const char *end; |
1016 | int depth = 0; |
1017 | char *demangled_name = java_demangle (physname, DMGL_PARAMS(1 << 0) | DMGL_ANSI(1 << 1)); |
1018 | |
1019 | if (demangled_name == NULL((void*)0)) |
1020 | return NULL((void*)0); |
1021 | |
1022 | end = java_find_last_component (demangled_name); |
1023 | if (end != NULL((void*)0)) |
1024 | { |
1025 | ret = xmalloc (end - demangled_name + 1); |
1026 | memcpy (ret, demangled_name, end - demangled_name); |
1027 | ret[end - demangled_name] = '\0'; |
1028 | } |
1029 | |
1030 | xfree (demangled_name); |
1031 | return ret; |
1032 | } |
1033 | |
1034 | /* Table mapping opcodes into strings for printing operators |
1035 | and precedences of the operators. */ |
1036 | |
1037 | const struct op_print java_op_print_tab[] = |
1038 | { |
1039 | {",", BINOP_COMMA, PREC_COMMA, 0}, |
1040 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, |
1041 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, |
1042 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, |
1043 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, |
1044 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, |
1045 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, |
1046 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, |
1047 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, |
1048 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, |
1049 | {">=", BINOP_GEQ, PREC_ORDER, 0}, |
1050 | {">", BINOP_GTR, PREC_ORDER, 0}, |
1051 | {"<", BINOP_LESS, PREC_ORDER, 0}, |
1052 | {">>", BINOP_RSH, PREC_SHIFT, 0}, |
1053 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, |
1054 | #if 0 |
1055 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
1056 | #endif |
1057 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1058 | {"-", BINOP_SUB, PREC_ADD, 0}, |
1059 | {"*", BINOP_MUL, PREC_MUL, 0}, |
1060 | {"/", BINOP_DIV, PREC_MUL, 0}, |
1061 | {"%", BINOP_REM, PREC_MUL, 0}, |
1062 | {"-", UNOP_NEG, PREC_PREFIX, 0}, |
1063 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, |
1064 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, |
1065 | {"*", UNOP_IND, PREC_PREFIX, 0}, |
1066 | #if 0 |
1067 | {"instanceof", ? ? ?, ? ? ?, 0}, |
1068 | #endif |
1069 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1070 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, |
1071 | {NULL((void*)0), 0, 0, 0} |
1072 | }; |
1073 | |
1074 | const struct exp_descriptor exp_descriptor_java = |
1075 | { |
1076 | print_subexp_standard, |
1077 | operator_length_standard, |
1078 | op_name_standard, |
1079 | dump_subexp_body_standard, |
1080 | evaluate_subexp_java |
1081 | }; |
1082 | |
1083 | const struct language_defn java_language_defn = |
1084 | { |
1085 | "java", /* Language name */ |
1086 | language_java, |
1087 | NULL((void*)0), |
1088 | range_check_off, |
1089 | type_check_off, |
1090 | case_sensitive_on, |
1091 | array_row_major, |
1092 | &exp_descriptor_java, |
1093 | java_parse, |
1094 | java_error, |
1095 | null_post_parser, |
1096 | c_printchar, /* Print a character constant */ |
1097 | c_printstr, /* Function to print string constant */ |
1098 | java_emit_char, /* Function to print a single character */ |
1099 | java_create_fundamental_type, /* Create fundamental type in this language */ |
1100 | java_print_type, /* Print a type using appropriate syntax */ |
1101 | java_val_print, /* Print a value using appropriate syntax */ |
1102 | java_value_print, /* Print a top-level value */ |
1103 | NULL((void*)0), /* Language specific skip_trampoline */ |
1104 | value_of_this, /* value_of_this */ |
1105 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
1106 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
1107 | java_demangle, /* Language specific symbol demangler */ |
1108 | java_class_name_from_physname,/* Language specific class name */ |
1109 | java_op_print_tab, /* expression operators for printing */ |
1110 | 0, /* not c-style arrays */ |
1111 | 0, /* String lower bound */ |
1112 | NULL((void*)0), |
1113 | default_word_break_characters, |
1114 | c_language_arch_info, |
1115 | LANG_MAGIC910823L |
1116 | }; |
1117 | |
1118 | void |
1119 | _initialize_java_language (void) |
1120 | { |
1121 | |
1122 | java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL((void*)0)); |
1123 | java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL((void*)0)); |
1124 | java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL((void*)0)); |
1125 | java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL((void*)0)); |
1126 | java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL((void*)0)); |
1127 | java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED(1 << 0), "char", NULL((void*)0)); |
1128 | java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL((void*)0)); |
1129 | java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL((void*)0)); |
1130 | java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL((void*)0)); |
1131 | |
1132 | add_language (&java_language_defn); |
1133 | } |
1134 | |
1135 | /* Cleanup code that should be run on every "run". |
1136 | We should use make_run_cleanup to have this be called. |
1137 | But will that mess up values in value histry? FIXME */ |
1138 | |
1139 | extern void java_rerun_cleanup (void); |
1140 | void |
1141 | java_rerun_cleanup (void) |
1142 | { |
1143 | if (class_symtab != NULL((void*)0)) |
1144 | { |
1145 | free_symtab (class_symtab); /* ??? */ |
1146 | class_symtab = NULL((void*)0); |
1147 | } |
1148 | if (dynamics_objfile != NULL((void*)0)) |
1149 | { |
1150 | free_objfile (dynamics_objfile); |
1151 | dynamics_objfile = NULL((void*)0); |
1152 | } |
1153 | |
1154 | java_object_type = NULL((void*)0); |
1155 | } |