Commit | Line | Data |
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c906108c | 1 | /* Java language support routines for GDB, the GNU debugger. |
dfa52d88 | 2 | |
0fb0cc75 | 3 | Copyright (C) 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2007, 2008, 2009 |
6aba47ca | 4 | Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 11 | (at your option) any later version. |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b | 18 | You should have received a copy of the GNU General Public License |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
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" | |
fe898f56 | 36 | #include "block.h" |
9a3d7dfd | 37 | #include "demangle.h" |
de4f826b | 38 | #include "dictionary.h" |
c906108c | 39 | #include <ctype.h> |
03b4bca2 | 40 | #include "gdb_assert.h" |
c906108c | 41 | |
392a587b JM |
42 | /* Local functions */ |
43 | ||
a14ed312 | 44 | extern void _initialize_java_language (void); |
392a587b | 45 | |
a14ed312 KB |
46 | static int java_demangled_signature_length (char *); |
47 | static void java_demangled_signature_copy (char *, char *); | |
c906108c | 48 | |
a14ed312 | 49 | static struct symtab *get_java_class_symtab (void); |
75c9979e AC |
50 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
51 | static int java_class_is_primitive (struct value *clas); | |
75c9979e | 52 | static struct value *java_value_string (char *ptr, int len); |
392a587b | 53 | |
6c7a06a3 TT |
54 | static void java_emit_char (int c, struct type *type, |
55 | struct ui_file * stream, int quoter); | |
c906108c | 56 | |
31c27f77 JJ |
57 | static char *java_class_name_from_physname (const char *physname); |
58 | ||
c906108c SS |
59 | /* This objfile contains symtabs that have been dynamically created |
60 | to record dynamically loaded Java classes and dynamically | |
61 | compiled java methods. */ | |
62 | ||
63 | static struct objfile *dynamics_objfile = NULL; | |
64 | ||
0daa2b63 UW |
65 | static struct type *java_link_class_type (struct gdbarch *, |
66 | struct type *, struct value *); | |
c906108c | 67 | |
eb9a305d DC |
68 | /* FIXME: carlton/2003-02-04: This is the main or only caller of |
69 | allocate_objfile with first argument NULL; as a result, this code | |
70 | breaks every so often. Somebody should write a test case that | |
71 | exercises GDB in various ways (e.g. something involving loading a | |
72 | dynamic library) after this code has been called. */ | |
73 | ||
c906108c | 74 | static struct objfile * |
fba45db2 | 75 | get_dynamics_objfile (void) |
c906108c SS |
76 | { |
77 | if (dynamics_objfile == NULL) | |
78 | { | |
2df3850c | 79 | dynamics_objfile = allocate_objfile (NULL, 0); |
c906108c SS |
80 | } |
81 | return dynamics_objfile; | |
82 | } | |
83 | ||
84 | #if 1 | |
85 | /* symtab contains classes read from the inferior. */ | |
86 | ||
87 | static struct symtab *class_symtab = NULL; | |
88 | ||
de4f826b | 89 | static void free_class_block (struct symtab *symtab); |
c906108c | 90 | |
392a587b | 91 | static struct symtab * |
fba45db2 | 92 | get_java_class_symtab (void) |
c906108c SS |
93 | { |
94 | if (class_symtab == NULL) | |
95 | { | |
c5aa993b | 96 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
97 | struct blockvector *bv; |
98 | struct block *bl; | |
99 | class_symtab = allocate_symtab ("<java-classes>", objfile); | |
100 | class_symtab->language = language_java; | |
101 | bv = (struct blockvector *) | |
4a146b47 | 102 | obstack_alloc (&objfile->objfile_obstack, |
de4f826b | 103 | sizeof (struct blockvector) + sizeof (struct block *)); |
c906108c SS |
104 | BLOCKVECTOR_NBLOCKS (bv) = 1; |
105 | BLOCKVECTOR (class_symtab) = bv; | |
106 | ||
107 | /* Allocate dummy STATIC_BLOCK. */ | |
4a146b47 EZ |
108 | bl = allocate_block (&objfile->objfile_obstack); |
109 | BLOCK_DICT (bl) = dict_create_linear (&objfile->objfile_obstack, | |
de4f826b | 110 | NULL); |
c906108c SS |
111 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; |
112 | ||
5c4e30ca | 113 | /* Allocate GLOBAL_BLOCK. */ |
4a146b47 | 114 | bl = allocate_block (&objfile->objfile_obstack); |
de4f826b | 115 | BLOCK_DICT (bl) = dict_create_hashed_expandable (); |
c906108c | 116 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; |
de4f826b | 117 | class_symtab->free_func = free_class_block; |
c906108c SS |
118 | } |
119 | return class_symtab; | |
120 | } | |
121 | ||
122 | static void | |
fba45db2 | 123 | add_class_symtab_symbol (struct symbol *sym) |
c906108c SS |
124 | { |
125 | struct symtab *symtab = get_java_class_symtab (); | |
126 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
de4f826b | 127 | dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)), sym); |
c906108c SS |
128 | } |
129 | ||
a14ed312 | 130 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
c906108c SS |
131 | |
132 | static struct symbol * | |
fba45db2 | 133 | add_class_symbol (struct type *type, CORE_ADDR addr) |
c906108c SS |
134 | { |
135 | struct symbol *sym; | |
136 | sym = (struct symbol *) | |
4a146b47 | 137 | obstack_alloc (&dynamics_objfile->objfile_obstack, sizeof (struct symbol)); |
c906108c SS |
138 | memset (sym, 0, sizeof (struct symbol)); |
139 | SYMBOL_LANGUAGE (sym) = language_java; | |
3567439c | 140 | SYMBOL_SET_LINKAGE_NAME (sym, TYPE_TAG_NAME (type)); |
c906108c | 141 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; |
c5aa993b | 142 | /* SYMBOL_VALUE (sym) = valu; */ |
c906108c | 143 | SYMBOL_TYPE (sym) = type; |
176620f1 | 144 | SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN; |
c906108c SS |
145 | SYMBOL_VALUE_ADDRESS (sym) = addr; |
146 | return sym; | |
147 | } | |
de4f826b DC |
148 | |
149 | /* Free the dynamic symbols block. */ | |
150 | static void | |
151 | free_class_block (struct symtab *symtab) | |
152 | { | |
153 | struct blockvector *bv = BLOCKVECTOR (symtab); | |
154 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
155 | ||
156 | dict_free (BLOCK_DICT (bl)); | |
157 | } | |
c906108c SS |
158 | #endif |
159 | ||
160 | struct type * | |
fba45db2 | 161 | java_lookup_class (char *name) |
c906108c SS |
162 | { |
163 | struct symbol *sym; | |
2570f2b7 | 164 | sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN, NULL); |
c906108c SS |
165 | if (sym != NULL) |
166 | return SYMBOL_TYPE (sym); | |
167 | #if 0 | |
168 | CORE_ADDR addr; | |
169 | if (called from parser) | |
170 | { | |
171 | call lookup_class (or similar) in inferior; | |
c5aa993b JM |
172 | if not |
173 | found: | |
c906108c SS |
174 | return NULL; |
175 | addr = found in inferior; | |
176 | } | |
177 | else | |
178 | addr = 0; | |
179 | struct type *type; | |
180 | type = alloc_type (objfile); | |
181 | TYPE_CODE (type) = TYPE_CODE_STRUCT; | |
182 | INIT_CPLUS_SPECIFIC (type); | |
b99607ea | 183 | TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->objfile_obstack); |
876cecd0 | 184 | TYPE_STUB (type) = 1; |
c906108c SS |
185 | TYPE ? = addr; |
186 | return type; | |
187 | #else | |
188 | /* FIXME - should search inferior's symbol table. */ | |
189 | return NULL; | |
190 | #endif | |
191 | } | |
192 | ||
193 | /* Return a nul-terminated string (allocated on OBSTACK) for | |
194 | a name given by NAME (which has type Utf8Const*). */ | |
195 | ||
196 | char * | |
75c9979e | 197 | get_java_utf8_name (struct obstack *obstack, struct value *name) |
c906108c SS |
198 | { |
199 | char *chrs; | |
75c9979e | 200 | struct value *temp = name; |
c906108c SS |
201 | int name_length; |
202 | CORE_ADDR data_addr; | |
203 | temp = value_struct_elt (&temp, NULL, "length", NULL, "structure"); | |
204 | name_length = (int) value_as_long (temp); | |
42ae5230 | 205 | data_addr = value_address (temp) + TYPE_LENGTH (value_type (temp)); |
c5aa993b JM |
206 | chrs = obstack_alloc (obstack, name_length + 1); |
207 | chrs[name_length] = '\0'; | |
c68a6671 | 208 | read_memory (data_addr, (gdb_byte *) chrs, name_length); |
c906108c SS |
209 | return chrs; |
210 | } | |
211 | ||
75c9979e AC |
212 | struct value * |
213 | java_class_from_object (struct value *obj_val) | |
c906108c SS |
214 | { |
215 | /* This is all rather inefficient, since the offsets of vtable and | |
216 | class are fixed. FIXME */ | |
75c9979e | 217 | struct value *vtable_val; |
c906108c | 218 | |
df407dfe AC |
219 | if (TYPE_CODE (value_type (obj_val)) == TYPE_CODE_PTR |
220 | && TYPE_LENGTH (TYPE_TARGET_TYPE (value_type (obj_val))) == 0) | |
c906108c | 221 | obj_val = value_at (get_java_object_type (), |
00a4c844 | 222 | value_as_address (obj_val)); |
c906108c SS |
223 | |
224 | vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure"); | |
225 | return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure"); | |
226 | } | |
227 | ||
228 | /* Check if CLASS_IS_PRIMITIVE(value of clas): */ | |
392a587b | 229 | static int |
75c9979e | 230 | java_class_is_primitive (struct value *clas) |
c906108c | 231 | { |
75c9979e | 232 | struct value *vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct"); |
1aa20aa8 | 233 | CORE_ADDR i = value_as_address (vtable); |
c906108c SS |
234 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; |
235 | } | |
236 | ||
237 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ | |
238 | ||
239 | struct type * | |
0daa2b63 | 240 | type_from_class (struct gdbarch *gdbarch, struct value *clas) |
c906108c SS |
241 | { |
242 | struct type *type; | |
243 | char *name; | |
75c9979e | 244 | struct value *temp; |
c906108c | 245 | struct objfile *objfile; |
75c9979e | 246 | struct value *utf8_name; |
c906108c SS |
247 | char *nptr; |
248 | CORE_ADDR addr; | |
249 | struct block *bl; | |
de4f826b | 250 | struct dict_iterator iter; |
c906108c SS |
251 | int is_array = 0; |
252 | ||
df407dfe | 253 | type = check_typedef (value_type (clas)); |
c906108c SS |
254 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
255 | { | |
256 | if (value_logical_not (clas)) | |
257 | return NULL; | |
258 | clas = value_ind (clas); | |
259 | } | |
42ae5230 | 260 | addr = value_address (clas); |
c906108c SS |
261 | |
262 | #if 0 | |
263 | get_java_class_symtab (); | |
264 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK); | |
de4f826b | 265 | ALL_BLOCK_SYMBOLS (block, iter, sym) |
c906108c | 266 | { |
c906108c SS |
267 | if (SYMBOL_VALUE_ADDRESS (sym) == addr) |
268 | return SYMBOL_TYPE (sym); | |
269 | } | |
270 | #endif | |
271 | ||
c5aa993b | 272 | objfile = get_dynamics_objfile (); |
c906108c SS |
273 | if (java_class_is_primitive (clas)) |
274 | { | |
75c9979e | 275 | struct value *sig; |
c906108c SS |
276 | temp = clas; |
277 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); | |
0daa2b63 | 278 | return java_primitive_type (gdbarch, value_as_long (sig)); |
c906108c SS |
279 | } |
280 | ||
281 | /* Get Class name. */ | |
282 | /* if clasloader non-null, prepend loader address. FIXME */ | |
283 | temp = clas; | |
284 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
b99607ea | 285 | name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name); |
c5aa993b | 286 | for (nptr = name; *nptr != 0; nptr++) |
c906108c SS |
287 | { |
288 | if (*nptr == '/') | |
289 | *nptr = '.'; | |
290 | } | |
291 | ||
292 | type = java_lookup_class (name); | |
293 | if (type != NULL) | |
294 | return type; | |
295 | ||
0c8b41f1 UW |
296 | /* Do not use the "fake" dynamics objfile to own dynamically generated |
297 | types, as it does not provide an architecture, and it would not help | |
298 | manage the lifetime of these types anyway. */ | |
e9bb382b | 299 | type = alloc_type_arch (gdbarch); |
c906108c SS |
300 | TYPE_CODE (type) = TYPE_CODE_STRUCT; |
301 | INIT_CPLUS_SPECIFIC (type); | |
302 | ||
303 | if (name[0] == '[') | |
304 | { | |
305 | char *signature = name; | |
306 | int namelen = java_demangled_signature_length (signature); | |
307 | if (namelen > strlen (name)) | |
b99607ea | 308 | name = obstack_alloc (&objfile->objfile_obstack, namelen + 1); |
c906108c SS |
309 | java_demangled_signature_copy (name, signature); |
310 | name[namelen] = '\0'; | |
311 | is_array = 1; | |
312 | temp = clas; | |
313 | /* Set array element type. */ | |
314 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
04624583 | 315 | deprecated_set_value_type (temp, lookup_pointer_type (value_type (clas))); |
0daa2b63 | 316 | TYPE_TARGET_TYPE (type) = type_from_class (gdbarch, temp); |
c906108c SS |
317 | } |
318 | ||
319 | ALLOCATE_CPLUS_STRUCT_TYPE (type); | |
320 | TYPE_TAG_NAME (type) = name; | |
321 | ||
322 | add_class_symtab_symbol (add_class_symbol (type, addr)); | |
0daa2b63 | 323 | return java_link_class_type (gdbarch, type, clas); |
c906108c SS |
324 | } |
325 | ||
c5aa993b | 326 | /* Fill in class TYPE with data from the CLAS value. */ |
c906108c SS |
327 | |
328 | struct type * | |
0daa2b63 UW |
329 | java_link_class_type (struct gdbarch *gdbarch, |
330 | struct type *type, struct value *clas) | |
c906108c | 331 | { |
75c9979e | 332 | struct value *temp; |
c906108c SS |
333 | char *unqualified_name; |
334 | char *name = TYPE_TAG_NAME (type); | |
335 | int ninterfaces, nfields, nmethods; | |
336 | int type_is_object = 0; | |
337 | struct fn_field *fn_fields; | |
338 | struct fn_fieldlist *fn_fieldlists; | |
75c9979e AC |
339 | struct value *fields; |
340 | struct value *methods; | |
c65ecaf3 AC |
341 | struct value *method = NULL; |
342 | struct value *field = NULL; | |
c906108c | 343 | int i, j; |
c5aa993b | 344 | struct objfile *objfile = get_dynamics_objfile (); |
c906108c SS |
345 | struct type *tsuper; |
346 | ||
03b4bca2 | 347 | gdb_assert (name != NULL); |
c906108c SS |
348 | unqualified_name = strrchr (name, '.'); |
349 | if (unqualified_name == NULL) | |
350 | unqualified_name = name; | |
351 | ||
352 | temp = clas; | |
353 | temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure"); | |
03b4bca2 | 354 | if (strcmp (name, "java.lang.Object") == 0) |
c906108c SS |
355 | { |
356 | tsuper = get_java_object_type (); | |
357 | if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR) | |
358 | tsuper = TYPE_TARGET_TYPE (tsuper); | |
359 | type_is_object = 1; | |
360 | } | |
361 | else | |
0daa2b63 | 362 | tsuper = type_from_class (gdbarch, temp); |
c906108c SS |
363 | |
364 | #if 1 | |
365 | ninterfaces = 0; | |
366 | #else | |
367 | temp = clas; | |
368 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure")); | |
369 | #endif | |
370 | TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces; | |
371 | temp = clas; | |
372 | nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure")); | |
373 | nfields += TYPE_N_BASECLASSES (type); | |
c5aa993b | 374 | nfields++; /* Add one for dummy "class" field. */ |
c906108c SS |
375 | TYPE_NFIELDS (type) = nfields; |
376 | TYPE_FIELDS (type) = (struct field *) | |
377 | TYPE_ALLOC (type, sizeof (struct field) * nfields); | |
378 | ||
379 | memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields); | |
380 | ||
381 | TYPE_FIELD_PRIVATE_BITS (type) = | |
382 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
383 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); | |
384 | ||
385 | TYPE_FIELD_PROTECTED_BITS (type) = | |
386 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
387 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); | |
388 | ||
389 | TYPE_FIELD_IGNORE_BITS (type) = | |
390 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
391 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields); | |
392 | ||
393 | TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) | |
394 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type))); | |
395 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type)); | |
396 | ||
397 | if (tsuper != NULL) | |
398 | { | |
399 | TYPE_BASECLASS (type, 0) = tsuper; | |
400 | if (type_is_object) | |
401 | SET_TYPE_FIELD_PRIVATE (type, 0); | |
402 | } | |
403 | ||
404 | i = strlen (name); | |
c5aa993b | 405 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL) |
c906108c SS |
406 | { |
407 | /* FIXME */ | |
c5aa993b | 408 | TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */ |
c906108c SS |
409 | } |
410 | else | |
411 | { | |
412 | temp = clas; | |
413 | temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure"); | |
414 | TYPE_LENGTH (type) = value_as_long (temp); | |
415 | } | |
416 | ||
417 | fields = NULL; | |
c5aa993b | 418 | nfields--; /* First set up dummy "class" field. */ |
42ae5230 | 419 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), value_address (clas)); |
c906108c | 420 | TYPE_FIELD_NAME (type, nfields) = "class"; |
df407dfe | 421 | TYPE_FIELD_TYPE (type, nfields) = value_type (clas); |
c906108c | 422 | SET_TYPE_FIELD_PRIVATE (type, nfields); |
c5aa993b JM |
423 | |
424 | for (i = TYPE_N_BASECLASSES (type); i < nfields; i++) | |
c906108c SS |
425 | { |
426 | int accflags; | |
427 | int boffset; | |
428 | if (fields == NULL) | |
429 | { | |
430 | temp = clas; | |
431 | fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure"); | |
432 | field = value_ind (fields); | |
433 | } | |
434 | else | |
c5aa993b | 435 | { /* Re-use field value for next field. */ |
42ae5230 TT |
436 | CORE_ADDR addr |
437 | = value_address (field) + TYPE_LENGTH (value_type (field)); | |
438 | set_value_address (field, addr); | |
dfa52d88 | 439 | set_value_lazy (field, 1); |
c906108c SS |
440 | } |
441 | temp = field; | |
442 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
443 | TYPE_FIELD_NAME (type, i) = | |
b99607ea | 444 | get_java_utf8_name (&objfile->objfile_obstack, temp); |
c906108c SS |
445 | temp = field; |
446 | accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags", | |
447 | NULL, "structure")); | |
448 | temp = field; | |
449 | temp = value_struct_elt (&temp, NULL, "info", NULL, "structure"); | |
450 | boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset", | |
c5aa993b JM |
451 | NULL, "structure")); |
452 | if (accflags & 0x0001) /* public access */ | |
c906108c SS |
453 | { |
454 | /* ??? */ | |
455 | } | |
c5aa993b | 456 | if (accflags & 0x0002) /* private access */ |
c906108c SS |
457 | { |
458 | SET_TYPE_FIELD_PRIVATE (type, i); | |
459 | } | |
c5aa993b | 460 | if (accflags & 0x0004) /* protected access */ |
c906108c SS |
461 | { |
462 | SET_TYPE_FIELD_PROTECTED (type, i); | |
463 | } | |
c5aa993b JM |
464 | if (accflags & 0x0008) /* ACC_STATIC */ |
465 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset); | |
c906108c SS |
466 | else |
467 | TYPE_FIELD_BITPOS (type, i) = 8 * boffset; | |
c5aa993b | 468 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
c906108c | 469 | { |
c5aa993b | 470 | TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */ |
c906108c SS |
471 | } |
472 | else | |
473 | { | |
474 | struct type *ftype; | |
475 | temp = field; | |
476 | temp = value_struct_elt (&temp, NULL, "type", NULL, "structure"); | |
0daa2b63 | 477 | ftype = type_from_class (gdbarch, temp); |
c906108c SS |
478 | if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT) |
479 | ftype = lookup_pointer_type (ftype); | |
480 | TYPE_FIELD_TYPE (type, i) = ftype; | |
481 | } | |
482 | } | |
483 | ||
484 | temp = clas; | |
485 | nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count", | |
486 | NULL, "structure")); | |
487 | TYPE_NFN_FIELDS_TOTAL (type) = nmethods; | |
488 | j = nmethods * sizeof (struct fn_field); | |
c5aa993b | 489 | fn_fields = (struct fn_field *) |
4a146b47 | 490 | obstack_alloc (&dynamics_objfile->objfile_obstack, j); |
c906108c | 491 | memset (fn_fields, 0, j); |
c5aa993b | 492 | fn_fieldlists = (struct fn_fieldlist *) |
c906108c SS |
493 | alloca (nmethods * sizeof (struct fn_fieldlist)); |
494 | ||
495 | methods = NULL; | |
c5aa993b | 496 | for (i = 0; i < nmethods; i++) |
c906108c SS |
497 | { |
498 | char *mname; | |
499 | int k; | |
500 | if (methods == NULL) | |
501 | { | |
502 | temp = clas; | |
503 | methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); | |
504 | method = value_ind (methods); | |
505 | } | |
506 | else | |
c5aa993b | 507 | { /* Re-use method value for next method. */ |
42ae5230 TT |
508 | CORE_ADDR addr |
509 | = value_address (method) + TYPE_LENGTH (value_type (method)); | |
510 | set_value_address (method, addr); | |
dfa52d88 | 511 | set_value_lazy (method, 1); |
c906108c SS |
512 | } |
513 | ||
514 | /* Get method name. */ | |
515 | temp = method; | |
516 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
b99607ea | 517 | mname = get_java_utf8_name (&objfile->objfile_obstack, temp); |
c906108c SS |
518 | if (strcmp (mname, "<init>") == 0) |
519 | mname = unqualified_name; | |
520 | ||
521 | /* Check for an existing method with the same name. | |
522 | * This makes building the fn_fieldslists an O(nmethods**2) | |
523 | * operation. That could be using hashing, but I doubt it | |
524 | * is worth it. Note that we do maintain the order of methods | |
525 | * in the inferior's Method table (as long as that is grouped | |
526 | * by method name), which I think is desirable. --PB */ | |
c5aa993b | 527 | for (k = 0, j = TYPE_NFN_FIELDS (type);;) |
c906108c SS |
528 | { |
529 | if (--j < 0) | |
c5aa993b JM |
530 | { /* No match - new method name. */ |
531 | j = TYPE_NFN_FIELDS (type)++; | |
c906108c SS |
532 | fn_fieldlists[j].name = mname; |
533 | fn_fieldlists[j].length = 1; | |
534 | fn_fieldlists[j].fn_fields = &fn_fields[i]; | |
535 | k = i; | |
536 | break; | |
537 | } | |
538 | if (strcmp (mname, fn_fieldlists[j].name) == 0) | |
c5aa993b | 539 | { /* Found an existing method with the same name. */ |
c906108c SS |
540 | int l; |
541 | if (mname != unqualified_name) | |
b99607ea | 542 | obstack_free (&objfile->objfile_obstack, mname); |
c906108c SS |
543 | mname = fn_fieldlists[j].name; |
544 | fn_fieldlists[j].length++; | |
c5aa993b | 545 | k = i - k; /* Index of new slot. */ |
c906108c | 546 | /* Shift intervening fn_fields (between k and i) down. */ |
c5aa993b JM |
547 | for (l = i; l > k; l--) |
548 | fn_fields[l] = fn_fields[l - 1]; | |
549 | for (l = TYPE_NFN_FIELDS (type); --l > j;) | |
c906108c SS |
550 | fn_fieldlists[l].fn_fields++; |
551 | break; | |
552 | } | |
553 | k += fn_fieldlists[j].length; | |
554 | } | |
555 | fn_fields[k].physname = ""; | |
556 | fn_fields[k].is_stub = 1; | |
323427d1 | 557 | /* FIXME */ |
0daa2b63 UW |
558 | fn_fields[k].type = lookup_function_type |
559 | (builtin_java_type (gdbarch)->builtin_void); | |
c906108c SS |
560 | TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD; |
561 | } | |
562 | ||
c5aa993b JM |
563 | j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist); |
564 | TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) | |
4a146b47 | 565 | obstack_alloc (&dynamics_objfile->objfile_obstack, j); |
c906108c | 566 | memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j); |
c5aa993b | 567 | |
c906108c SS |
568 | return type; |
569 | } | |
570 | ||
571 | static struct type *java_object_type; | |
572 | ||
573 | struct type * | |
fba45db2 | 574 | get_java_object_type (void) |
c906108c SS |
575 | { |
576 | if (java_object_type == NULL) | |
577 | { | |
578 | struct symbol *sym; | |
2570f2b7 | 579 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL); |
c906108c | 580 | if (sym == NULL) |
8a3fe4f8 | 581 | error (_("cannot find java.lang.Object")); |
c906108c SS |
582 | java_object_type = SYMBOL_TYPE (sym); |
583 | } | |
584 | return java_object_type; | |
585 | } | |
586 | ||
587 | int | |
45d5d5ca | 588 | get_java_object_header_size (struct gdbarch *gdbarch) |
c906108c SS |
589 | { |
590 | struct type *objtype = get_java_object_type (); | |
591 | if (objtype == NULL) | |
45d5d5ca | 592 | return (2 * gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT); |
c906108c SS |
593 | else |
594 | return TYPE_LENGTH (objtype); | |
595 | } | |
596 | ||
597 | int | |
fba45db2 | 598 | is_object_type (struct type *type) |
c906108c SS |
599 | { |
600 | CHECK_TYPEDEF (type); | |
601 | if (TYPE_CODE (type) == TYPE_CODE_PTR) | |
602 | { | |
603 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
604 | char *name; | |
605 | if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT) | |
606 | return 0; | |
607 | while (TYPE_N_BASECLASSES (ttype) > 0) | |
608 | ttype = TYPE_BASECLASS (ttype, 0); | |
609 | name = TYPE_TAG_NAME (ttype); | |
610 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
611 | return 1; | |
c5aa993b | 612 | name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0; |
c906108c SS |
613 | if (name != NULL && strcmp (name, "vtable") == 0) |
614 | { | |
615 | if (java_object_type == NULL) | |
616 | java_object_type = type; | |
617 | return 1; | |
618 | } | |
619 | } | |
620 | return 0; | |
621 | } | |
622 | ||
623 | struct type * | |
0daa2b63 | 624 | java_primitive_type (struct gdbarch *gdbarch, int signature) |
c906108c | 625 | { |
0daa2b63 UW |
626 | const struct builtin_java_type *builtin = builtin_java_type (gdbarch); |
627 | ||
c906108c SS |
628 | switch (signature) |
629 | { | |
c5aa993b | 630 | case 'B': |
0daa2b63 | 631 | return builtin->builtin_byte; |
c5aa993b | 632 | case 'S': |
0daa2b63 | 633 | return builtin->builtin_short; |
c5aa993b | 634 | case 'I': |
0daa2b63 | 635 | return builtin->builtin_int; |
c5aa993b | 636 | case 'J': |
0daa2b63 | 637 | return builtin->builtin_long; |
c5aa993b | 638 | case 'Z': |
0daa2b63 | 639 | return builtin->builtin_boolean; |
c5aa993b | 640 | case 'C': |
0daa2b63 | 641 | return builtin->builtin_char; |
c5aa993b | 642 | case 'F': |
0daa2b63 | 643 | return builtin->builtin_float; |
c5aa993b | 644 | case 'D': |
0daa2b63 | 645 | return builtin->builtin_double; |
c5aa993b | 646 | case 'V': |
0daa2b63 | 647 | return builtin->builtin_void; |
c906108c | 648 | } |
8a3fe4f8 | 649 | error (_("unknown signature '%c' for primitive type"), (char) signature); |
c906108c SS |
650 | } |
651 | ||
652 | /* If name[0 .. namelen-1] is the name of a primitive Java type, | |
653 | return that type. Otherwise, return NULL. */ | |
654 | ||
655 | struct type * | |
0daa2b63 UW |
656 | java_primitive_type_from_name (struct gdbarch *gdbarch, |
657 | char *name, int namelen) | |
c906108c | 658 | { |
0daa2b63 UW |
659 | const struct builtin_java_type *builtin = builtin_java_type (gdbarch); |
660 | ||
c906108c SS |
661 | switch (name[0]) |
662 | { | |
663 | case 'b': | |
664 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) | |
0daa2b63 | 665 | return builtin->builtin_byte; |
c906108c | 666 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) |
0daa2b63 | 667 | return builtin->builtin_boolean; |
c906108c SS |
668 | break; |
669 | case 'c': | |
670 | if (namelen == 4 && memcmp (name, "char", 4) == 0) | |
0daa2b63 | 671 | return builtin->builtin_char; |
c906108c SS |
672 | case 'd': |
673 | if (namelen == 6 && memcmp (name, "double", 6) == 0) | |
0daa2b63 | 674 | return builtin->builtin_double; |
c906108c SS |
675 | break; |
676 | case 'f': | |
677 | if (namelen == 5 && memcmp (name, "float", 5) == 0) | |
0daa2b63 | 678 | return builtin->builtin_float; |
c906108c SS |
679 | break; |
680 | case 'i': | |
681 | if (namelen == 3 && memcmp (name, "int", 3) == 0) | |
0daa2b63 | 682 | return builtin->builtin_int; |
c906108c SS |
683 | break; |
684 | case 'l': | |
685 | if (namelen == 4 && memcmp (name, "long", 4) == 0) | |
0daa2b63 | 686 | return builtin->builtin_long; |
c906108c SS |
687 | break; |
688 | case 's': | |
689 | if (namelen == 5 && memcmp (name, "short", 5) == 0) | |
0daa2b63 | 690 | return builtin->builtin_short; |
c906108c SS |
691 | break; |
692 | case 'v': | |
693 | if (namelen == 4 && memcmp (name, "void", 4) == 0) | |
0daa2b63 | 694 | return builtin->builtin_void; |
c906108c SS |
695 | break; |
696 | } | |
697 | return NULL; | |
698 | } | |
699 | ||
0daa2b63 UW |
700 | static char * |
701 | java_primitive_type_name (int signature) | |
702 | { | |
703 | switch (signature) | |
704 | { | |
705 | case 'B': | |
706 | return "byte"; | |
707 | case 'S': | |
708 | return "short"; | |
709 | case 'I': | |
710 | return "int"; | |
711 | case 'J': | |
712 | return "long"; | |
713 | case 'Z': | |
714 | return "boolean"; | |
715 | case 'C': | |
716 | return "char"; | |
717 | case 'F': | |
718 | return "float"; | |
719 | case 'D': | |
720 | return "double"; | |
721 | case 'V': | |
722 | return "void"; | |
723 | } | |
724 | error (_("unknown signature '%c' for primitive type"), (char) signature); | |
725 | } | |
726 | ||
c906108c SS |
727 | /* Return the length (in bytes) of demangled name of the Java type |
728 | signature string SIGNATURE. */ | |
729 | ||
730 | static int | |
fba45db2 | 731 | java_demangled_signature_length (char *signature) |
c906108c SS |
732 | { |
733 | int array = 0; | |
c5aa993b JM |
734 | for (; *signature == '['; signature++) |
735 | array += 2; /* Two chars for "[]". */ | |
c906108c SS |
736 | switch (signature[0]) |
737 | { | |
738 | case 'L': | |
739 | /* Subtract 2 for 'L' and ';'. */ | |
740 | return strlen (signature) - 2 + array; | |
741 | default: | |
0daa2b63 | 742 | return strlen (java_primitive_type_name (signature[0])) + array; |
c906108c SS |
743 | } |
744 | } | |
745 | ||
746 | /* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */ | |
747 | ||
748 | static void | |
fba45db2 | 749 | java_demangled_signature_copy (char *result, char *signature) |
c906108c SS |
750 | { |
751 | int array = 0; | |
752 | char *ptr; | |
753 | int i; | |
754 | while (*signature == '[') | |
755 | { | |
756 | array++; | |
757 | signature++; | |
758 | } | |
759 | switch (signature[0]) | |
760 | { | |
761 | case 'L': | |
762 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ | |
763 | signature++; | |
764 | ptr = result; | |
c5aa993b | 765 | for (; *signature != ';' && *signature != '\0'; signature++) |
c906108c SS |
766 | { |
767 | if (*signature == '/') | |
768 | *ptr++ = '.'; | |
769 | else | |
770 | *ptr++ = *signature; | |
771 | } | |
772 | break; | |
773 | default: | |
0daa2b63 | 774 | ptr = java_primitive_type_name (signature[0]); |
c906108c SS |
775 | i = strlen (ptr); |
776 | strcpy (result, ptr); | |
777 | ptr = result + i; | |
778 | break; | |
779 | } | |
780 | while (--array >= 0) | |
781 | { | |
782 | *ptr++ = '['; | |
783 | *ptr++ = ']'; | |
784 | } | |
785 | } | |
786 | ||
787 | /* Return the demangled name of the Java type signature string SIGNATURE, | |
788 | as a freshly allocated copy. */ | |
789 | ||
790 | char * | |
fba45db2 | 791 | java_demangle_type_signature (char *signature) |
c906108c SS |
792 | { |
793 | int length = java_demangled_signature_length (signature); | |
794 | char *result = xmalloc (length + 1); | |
795 | java_demangled_signature_copy (result, signature); | |
796 | result[length] = '\0'; | |
797 | return result; | |
798 | } | |
799 | ||
c906108c SS |
800 | /* Return the type of TYPE followed by DIMS pairs of [ ]. |
801 | If DIMS == 0, TYPE is returned. */ | |
802 | ||
803 | struct type * | |
fba45db2 | 804 | java_array_type (struct type *type, int dims) |
c906108c | 805 | { |
c906108c SS |
806 | while (dims-- > 0) |
807 | { | |
c906108c | 808 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ |
e3506a9f | 809 | type = lookup_array_range_type (type, 0, 0); |
c906108c SS |
810 | } |
811 | ||
812 | return type; | |
813 | } | |
814 | ||
815 | /* Create a Java string in the inferior from a (Utf8) literal. */ | |
816 | ||
75c9979e | 817 | static struct value * |
fba45db2 | 818 | java_value_string (char *ptr, int len) |
c906108c | 819 | { |
8a3fe4f8 | 820 | error (_("not implemented - java_value_string")); /* FIXME */ |
c906108c SS |
821 | } |
822 | ||
823 | /* Print the character C on STREAM as part of the contents of a literal | |
824 | string whose delimiter is QUOTER. Note that that format for printing | |
825 | characters and strings is language specific. */ | |
826 | ||
827 | static void | |
6c7a06a3 | 828 | java_emit_char (int c, struct type *type, struct ui_file *stream, int quoter) |
c906108c SS |
829 | { |
830 | switch (c) | |
831 | { | |
832 | case '\\': | |
833 | case '\'': | |
834 | fprintf_filtered (stream, "\\%c", c); | |
835 | break; | |
836 | case '\b': | |
837 | fputs_filtered ("\\b", stream); | |
838 | break; | |
839 | case '\t': | |
840 | fputs_filtered ("\\t", stream); | |
841 | break; | |
842 | case '\n': | |
843 | fputs_filtered ("\\n", stream); | |
844 | break; | |
845 | case '\f': | |
846 | fputs_filtered ("\\f", stream); | |
847 | break; | |
848 | case '\r': | |
849 | fputs_filtered ("\\r", stream); | |
850 | break; | |
851 | default: | |
852 | if (isprint (c)) | |
853 | fputc_filtered (c, stream); | |
854 | else | |
855 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); | |
856 | break; | |
857 | } | |
858 | } | |
859 | ||
75c9979e | 860 | static struct value * |
f86f5ca3 PH |
861 | evaluate_subexp_java (struct type *expect_type, struct expression *exp, |
862 | int *pos, enum noside noside) | |
c906108c SS |
863 | { |
864 | int pc = *pos; | |
865 | int i; | |
866 | char *name; | |
867 | enum exp_opcode op = exp->elts[*pos].opcode; | |
75c9979e AC |
868 | struct value *arg1; |
869 | struct value *arg2; | |
c906108c SS |
870 | struct type *type; |
871 | switch (op) | |
872 | { | |
873 | case UNOP_IND: | |
874 | if (noside == EVAL_SKIP) | |
875 | goto standard; | |
876 | (*pos)++; | |
877 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); | |
df407dfe | 878 | if (is_object_type (value_type (arg1))) |
c906108c SS |
879 | { |
880 | struct type *type; | |
881 | ||
0daa2b63 | 882 | type = type_from_class (exp->gdbarch, java_class_from_object (arg1)); |
c906108c SS |
883 | arg1 = value_cast (lookup_pointer_type (type), arg1); |
884 | } | |
885 | if (noside == EVAL_SKIP) | |
886 | goto nosideret; | |
887 | return value_ind (arg1); | |
888 | ||
889 | case BINOP_SUBSCRIPT: | |
890 | (*pos)++; | |
891 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
892 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); | |
893 | if (noside == EVAL_SKIP) | |
894 | goto nosideret; | |
895 | /* If the user attempts to subscript something that is not an | |
c5aa993b JM |
896 | array or pointer type (like a plain int variable for example), |
897 | then report this as an error. */ | |
898 | ||
994b9211 | 899 | arg1 = coerce_ref (arg1); |
df407dfe | 900 | type = check_typedef (value_type (arg1)); |
c906108c SS |
901 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
902 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
903 | name = TYPE_NAME (type); | |
904 | if (name == NULL) | |
905 | name = TYPE_TAG_NAME (type); | |
906 | i = name == NULL ? 0 : strlen (name); | |
907 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
c5aa993b | 908 | && i > 2 && name[i - 1] == ']') |
c906108c | 909 | { |
e17a4113 | 910 | enum bfd_endian byte_order = gdbarch_byte_order (exp->gdbarch); |
c906108c SS |
911 | CORE_ADDR address; |
912 | long length, index; | |
913 | struct type *el_type; | |
c68a6671 | 914 | gdb_byte buf4[4]; |
c906108c | 915 | |
75c9979e AC |
916 | struct value *clas = java_class_from_object (arg1); |
917 | struct value *temp = clas; | |
c906108c SS |
918 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
919 | temp = value_struct_elt (&temp, NULL, "methods", | |
c5aa993b | 920 | NULL, "structure"); |
04624583 | 921 | deprecated_set_value_type (temp, value_type (clas)); |
0daa2b63 | 922 | el_type = type_from_class (exp->gdbarch, temp); |
c906108c SS |
923 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) |
924 | el_type = lookup_pointer_type (el_type); | |
925 | ||
926 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
927 | return value_zero (el_type, VALUE_LVAL (arg1)); | |
1aa20aa8 | 928 | address = value_as_address (arg1); |
45d5d5ca | 929 | address += get_java_object_header_size (exp->gdbarch); |
c906108c | 930 | read_memory (address, buf4, 4); |
e17a4113 | 931 | length = (long) extract_signed_integer (buf4, 4, byte_order); |
c906108c SS |
932 | index = (long) value_as_long (arg2); |
933 | if (index >= length || index < 0) | |
8a3fe4f8 | 934 | error (_("array index (%ld) out of bounds (length: %ld)"), |
c906108c SS |
935 | index, length); |
936 | address = (address + 4) + index * TYPE_LENGTH (el_type); | |
00a4c844 | 937 | return value_at (el_type, address); |
c906108c SS |
938 | } |
939 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
940 | { | |
941 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
942 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); | |
943 | else | |
2497b498 | 944 | return value_subscript (arg1, value_as_long (arg2)); |
c906108c SS |
945 | } |
946 | if (name) | |
8a3fe4f8 | 947 | error (_("cannot subscript something of type `%s'"), name); |
c906108c | 948 | else |
8a3fe4f8 | 949 | error (_("cannot subscript requested type")); |
c906108c SS |
950 | |
951 | case OP_STRING: | |
952 | (*pos)++; | |
953 | i = longest_to_int (exp->elts[pc + 1].longconst); | |
954 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); | |
955 | if (noside == EVAL_SKIP) | |
956 | goto nosideret; | |
957 | return java_value_string (&exp->elts[pc + 2].string, i); | |
958 | ||
dc5000e7 | 959 | case STRUCTOP_PTR: |
c906108c SS |
960 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); |
961 | /* Convert object field (such as TYPE.class) to reference. */ | |
df407dfe | 962 | if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT) |
c906108c SS |
963 | arg1 = value_addr (arg1); |
964 | return arg1; | |
965 | default: | |
966 | break; | |
967 | } | |
968 | standard: | |
969 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 970 | nosideret: |
22601c15 | 971 | return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1); |
c906108c SS |
972 | } |
973 | ||
9a3d7dfd AF |
974 | static char *java_demangle (const char *mangled, int options) |
975 | { | |
976 | return cplus_demangle (mangled, options | DMGL_JAVA); | |
977 | } | |
978 | ||
31c27f77 JJ |
979 | /* Find the member function name of the demangled name NAME. NAME |
980 | must be a method name including arguments, in order to correctly | |
981 | locate the last component. | |
982 | ||
983 | This function return a pointer to the first dot before the | |
984 | member function name, or NULL if the name was not of the | |
985 | expected form. */ | |
986 | ||
987 | static const char * | |
988 | java_find_last_component (const char *name) | |
989 | { | |
990 | const char *p; | |
991 | ||
992 | /* Find argument list. */ | |
993 | p = strchr (name, '('); | |
994 | ||
995 | if (p == NULL) | |
996 | return NULL; | |
997 | ||
998 | /* Back up and find first dot prior to argument list. */ | |
999 | while (p > name && *p != '.') | |
1000 | p--; | |
1001 | ||
1002 | if (p == name) | |
1003 | return NULL; | |
1004 | ||
1005 | return p; | |
1006 | } | |
1007 | ||
1008 | /* Return the name of the class containing method PHYSNAME. */ | |
1009 | ||
1010 | static char * | |
1011 | java_class_name_from_physname (const char *physname) | |
1012 | { | |
1013 | char *ret = NULL; | |
1014 | const char *end; | |
1015 | int depth = 0; | |
1016 | char *demangled_name = java_demangle (physname, DMGL_PARAMS | DMGL_ANSI); | |
1017 | ||
1018 | if (demangled_name == NULL) | |
1019 | return NULL; | |
1020 | ||
1021 | end = java_find_last_component (demangled_name); | |
1022 | if (end != NULL) | |
1023 | { | |
1024 | ret = xmalloc (end - demangled_name + 1); | |
1025 | memcpy (ret, demangled_name, end - demangled_name); | |
1026 | ret[end - demangled_name] = '\0'; | |
1027 | } | |
1028 | ||
1029 | xfree (demangled_name); | |
1030 | return ret; | |
1031 | } | |
9a3d7dfd | 1032 | |
c906108c SS |
1033 | /* Table mapping opcodes into strings for printing operators |
1034 | and precedences of the operators. */ | |
1035 | ||
1036 | const struct op_print java_op_print_tab[] = | |
c5aa993b JM |
1037 | { |
1038 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
1039 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
1040 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
1041 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
1042 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
1043 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
1044 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
1045 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
1046 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
1047 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
1048 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
1049 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
1050 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
1051 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
1052 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
c906108c | 1053 | #if 0 |
c5aa993b | 1054 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
c906108c | 1055 | #endif |
c5aa993b JM |
1056 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1057 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
1058 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
1059 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
1060 | {"%", BINOP_REM, PREC_MUL, 0}, | |
1061 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
1062 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
1063 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
1064 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
c906108c | 1065 | #if 0 |
c5aa993b | 1066 | {"instanceof", ? ? ?, ? ? ?, 0}, |
c906108c | 1067 | #endif |
c5aa993b JM |
1068 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1069 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
1070 | {NULL, 0, 0, 0} | |
c906108c SS |
1071 | }; |
1072 | ||
de7b6b47 UW |
1073 | enum java_primitive_types |
1074 | { | |
1075 | java_primitive_type_int, | |
1076 | java_primitive_type_short, | |
1077 | java_primitive_type_long, | |
1078 | java_primitive_type_byte, | |
1079 | java_primitive_type_boolean, | |
1080 | java_primitive_type_char, | |
1081 | java_primitive_type_float, | |
1082 | java_primitive_type_double, | |
1083 | java_primitive_type_void, | |
1084 | nr_java_primitive_types | |
1085 | }; | |
1086 | ||
2c0b251b | 1087 | static void |
de7b6b47 UW |
1088 | java_language_arch_info (struct gdbarch *gdbarch, |
1089 | struct language_arch_info *lai) | |
1090 | { | |
0daa2b63 UW |
1091 | const struct builtin_java_type *builtin = builtin_java_type (gdbarch); |
1092 | ||
1093 | lai->string_char_type = builtin->builtin_char; | |
de7b6b47 UW |
1094 | lai->primitive_type_vector |
1095 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_java_primitive_types + 1, | |
1096 | struct type *); | |
1097 | lai->primitive_type_vector [java_primitive_type_int] | |
0daa2b63 | 1098 | = builtin->builtin_int; |
de7b6b47 | 1099 | lai->primitive_type_vector [java_primitive_type_short] |
0daa2b63 | 1100 | = builtin->builtin_short; |
de7b6b47 | 1101 | lai->primitive_type_vector [java_primitive_type_long] |
0daa2b63 | 1102 | = builtin->builtin_long; |
de7b6b47 | 1103 | lai->primitive_type_vector [java_primitive_type_byte] |
0daa2b63 | 1104 | = builtin->builtin_byte; |
de7b6b47 | 1105 | lai->primitive_type_vector [java_primitive_type_boolean] |
0daa2b63 | 1106 | = builtin->builtin_boolean; |
de7b6b47 | 1107 | lai->primitive_type_vector [java_primitive_type_char] |
0daa2b63 | 1108 | = builtin->builtin_char; |
de7b6b47 | 1109 | lai->primitive_type_vector [java_primitive_type_float] |
0daa2b63 | 1110 | = builtin->builtin_float; |
de7b6b47 | 1111 | lai->primitive_type_vector [java_primitive_type_double] |
0daa2b63 | 1112 | = builtin->builtin_double; |
de7b6b47 | 1113 | lai->primitive_type_vector [java_primitive_type_void] |
0daa2b63 | 1114 | = builtin->builtin_void; |
fbb06eb1 UW |
1115 | |
1116 | lai->bool_type_symbol = "boolean"; | |
0daa2b63 | 1117 | lai->bool_type_default = builtin->builtin_boolean; |
de7b6b47 UW |
1118 | } |
1119 | ||
5f9769d1 PH |
1120 | const struct exp_descriptor exp_descriptor_java = |
1121 | { | |
1122 | print_subexp_standard, | |
1123 | operator_length_standard, | |
1124 | op_name_standard, | |
1125 | dump_subexp_body_standard, | |
1126 | evaluate_subexp_java | |
1127 | }; | |
1128 | ||
c5aa993b JM |
1129 | const struct language_defn java_language_defn = |
1130 | { | |
1131 | "java", /* Language name */ | |
c906108c | 1132 | language_java, |
c906108c SS |
1133 | range_check_off, |
1134 | type_check_off, | |
63872f9d | 1135 | case_sensitive_on, |
7ca2d3a3 | 1136 | array_row_major, |
9a044a89 | 1137 | macro_expansion_no, |
5f9769d1 | 1138 | &exp_descriptor_java, |
c906108c SS |
1139 | java_parse, |
1140 | java_error, | |
e85c3284 | 1141 | null_post_parser, |
c906108c SS |
1142 | c_printchar, /* Print a character constant */ |
1143 | c_printstr, /* Function to print string constant */ | |
1144 | java_emit_char, /* Function to print a single character */ | |
c906108c | 1145 | java_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1146 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
1147 | java_val_print, /* Print a value using appropriate syntax */ |
1148 | java_value_print, /* Print a top-level value */ | |
f636b87d | 1149 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 1150 | "this", /* name_of_this */ |
5f9a71c3 | 1151 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1152 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1153 | java_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1154 | java_class_name_from_physname,/* Language specific class name */ |
c906108c SS |
1155 | java_op_print_tab, /* expression operators for printing */ |
1156 | 0, /* not c-style arrays */ | |
1157 | 0, /* String lower bound */ | |
6084f43a | 1158 | default_word_break_characters, |
41d27058 | 1159 | default_make_symbol_completion_list, |
de7b6b47 | 1160 | java_language_arch_info, |
e79af960 | 1161 | default_print_array_index, |
41f1b697 | 1162 | default_pass_by_reference, |
ae6a3a4c | 1163 | default_get_string, |
c906108c SS |
1164 | LANG_MAGIC |
1165 | }; | |
1166 | ||
0daa2b63 UW |
1167 | static void * |
1168 | build_java_types (struct gdbarch *gdbarch) | |
1169 | { | |
1170 | struct builtin_java_type *builtin_java_type | |
1171 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_java_type); | |
1172 | ||
1173 | builtin_java_type->builtin_int | |
e9bb382b | 1174 | = arch_integer_type (gdbarch, 32, 0, "int"); |
0daa2b63 | 1175 | builtin_java_type->builtin_short |
e9bb382b | 1176 | = arch_integer_type (gdbarch, 16, 0, "short"); |
0daa2b63 | 1177 | builtin_java_type->builtin_long |
e9bb382b | 1178 | = arch_integer_type (gdbarch, 64, 0, "long"); |
0daa2b63 | 1179 | builtin_java_type->builtin_byte |
e9bb382b | 1180 | = arch_integer_type (gdbarch, 8, 0, "byte"); |
0daa2b63 | 1181 | builtin_java_type->builtin_boolean |
e9bb382b | 1182 | = arch_boolean_type (gdbarch, 8, 0, "boolean"); |
0daa2b63 | 1183 | builtin_java_type->builtin_char |
e9bb382b | 1184 | = arch_character_type (gdbarch, 16, 1, "char"); |
0daa2b63 | 1185 | builtin_java_type->builtin_float |
e9bb382b | 1186 | = arch_float_type (gdbarch, 32, "float", NULL); |
0daa2b63 | 1187 | builtin_java_type->builtin_double |
e9bb382b | 1188 | = arch_float_type (gdbarch, 64, "double", NULL); |
0daa2b63 | 1189 | builtin_java_type->builtin_void |
e9bb382b | 1190 | = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void"); |
0daa2b63 UW |
1191 | |
1192 | return builtin_java_type; | |
1193 | } | |
1194 | ||
1195 | static struct gdbarch_data *java_type_data; | |
1196 | ||
1197 | const struct builtin_java_type * | |
1198 | builtin_java_type (struct gdbarch *gdbarch) | |
1199 | { | |
1200 | return gdbarch_data (gdbarch, java_type_data); | |
1201 | } | |
1202 | ||
c906108c | 1203 | void |
fba45db2 | 1204 | _initialize_java_language (void) |
c906108c | 1205 | { |
0daa2b63 | 1206 | java_type_data = gdbarch_data_register_post_init (build_java_types); |
c906108c SS |
1207 | |
1208 | add_language (&java_language_defn); | |
1209 | } |