Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Java language support routines for GDB, the GNU debugger. |
dfa52d88 | 2 | |
32d0add0 | 3 | Copyright (C) 1997-2015 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
22 | #include "gdbtypes.h" | |
23 | #include "expression.h" | |
24 | #include "parser-defs.h" | |
25 | #include "language.h" | |
c906108c SS |
26 | #include "symfile.h" |
27 | #include "objfiles.h" | |
c906108c SS |
28 | #include "value.h" |
29 | #include "c-lang.h" | |
30 | #include "jv-lang.h" | |
a53b64ea | 31 | #include "varobj.h" |
c906108c | 32 | #include "gdbcore.h" |
fe898f56 | 33 | #include "block.h" |
9a3d7dfd | 34 | #include "demangle.h" |
de4f826b | 35 | #include "dictionary.h" |
c906108c | 36 | #include <ctype.h> |
127c81bc TT |
37 | #include "charset.h" |
38 | #include "valprint.h" | |
8de20a37 | 39 | #include "cp-support.h" |
c906108c | 40 | |
392a587b JM |
41 | /* Local functions */ |
42 | ||
a14ed312 | 43 | extern void _initialize_java_language (void); |
392a587b | 44 | |
0d5cff50 DE |
45 | static int java_demangled_signature_length (const char *); |
46 | static void java_demangled_signature_copy (char *, const char *); | |
c906108c | 47 | |
43f3e411 | 48 | static struct compunit_symtab *get_java_class_symtab (struct gdbarch *gdbarch); |
75c9979e AC |
49 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
50 | static int java_class_is_primitive (struct value *clas); | |
75c9979e | 51 | static struct value *java_value_string (char *ptr, int len); |
392a587b | 52 | |
6c7a06a3 TT |
53 | static void java_emit_char (int c, struct type *type, |
54 | struct ui_file * stream, int quoter); | |
c906108c | 55 | |
31c27f77 JJ |
56 | static char *java_class_name_from_physname (const char *physname); |
57 | ||
20781792 | 58 | static const struct objfile_data *jv_dynamics_objfile_data_key; |
20781792 | 59 | |
86cc0029 TT |
60 | /* The dynamic objfile is kept per-program-space. This key lets us |
61 | associate the objfile with the program space. */ | |
c906108c | 62 | |
86cc0029 | 63 | static const struct program_space_data *jv_dynamics_progspace_key; |
20781792 | 64 | |
0daa2b63 UW |
65 | static struct type *java_link_class_type (struct gdbarch *, |
66 | struct type *, struct value *); | |
c906108c | 67 | |
30cc903e TT |
68 | /* An instance of this structure is used to store some data that must |
69 | be freed. */ | |
70 | ||
71 | struct jv_per_objfile_data | |
72 | { | |
73 | /* The expandable dictionary we use. */ | |
74 | struct dictionary *dict; | |
75 | }; | |
76 | ||
20781792 TT |
77 | /* A function called when the dynamics_objfile is freed. We use this |
78 | to clean up some internal state. */ | |
79 | static void | |
30cc903e | 80 | jv_per_objfile_free (struct objfile *objfile, void *data) |
20781792 | 81 | { |
30cc903e | 82 | struct jv_per_objfile_data *jv_data = data; |
86cc0029 | 83 | struct objfile *dynamics_objfile; |
30cc903e | 84 | |
86cc0029 TT |
85 | dynamics_objfile = program_space_data (current_program_space, |
86 | jv_dynamics_progspace_key); | |
20781792 | 87 | gdb_assert (objfile == dynamics_objfile); |
30cc903e TT |
88 | |
89 | if (jv_data->dict) | |
90 | dict_free (jv_data->dict); | |
91 | xfree (jv_data); | |
86cc0029 TT |
92 | |
93 | set_program_space_data (current_program_space, | |
94 | jv_dynamics_progspace_key, | |
95 | NULL); | |
20781792 TT |
96 | } |
97 | ||
eb9a305d DC |
98 | /* FIXME: carlton/2003-02-04: This is the main or only caller of |
99 | allocate_objfile with first argument NULL; as a result, this code | |
100 | breaks every so often. Somebody should write a test case that | |
101 | exercises GDB in various ways (e.g. something involving loading a | |
102 | dynamic library) after this code has been called. */ | |
103 | ||
c906108c | 104 | static struct objfile * |
20781792 | 105 | get_dynamics_objfile (struct gdbarch *gdbarch) |
c906108c | 106 | { |
86cc0029 TT |
107 | struct objfile *dynamics_objfile; |
108 | ||
109 | dynamics_objfile = program_space_data (current_program_space, | |
110 | jv_dynamics_progspace_key); | |
111 | ||
c906108c SS |
112 | if (dynamics_objfile == NULL) |
113 | { | |
30cc903e TT |
114 | struct jv_per_objfile_data *data; |
115 | ||
20781792 TT |
116 | /* Mark it as shared so that it is cleared when the inferior is |
117 | re-run. */ | |
40135bb1 JK |
118 | dynamics_objfile = allocate_objfile (NULL, NULL, |
119 | OBJF_SHARED | OBJF_NOT_FILENAME); | |
df6d5441 | 120 | dynamics_objfile->per_bfd->gdbarch = gdbarch; |
30cc903e TT |
121 | |
122 | data = XCNEW (struct jv_per_objfile_data); | |
123 | set_objfile_data (dynamics_objfile, jv_dynamics_objfile_data_key, data); | |
86cc0029 TT |
124 | |
125 | set_program_space_data (current_program_space, | |
126 | jv_dynamics_progspace_key, | |
127 | dynamics_objfile); | |
c906108c SS |
128 | } |
129 | return dynamics_objfile; | |
130 | } | |
131 | ||
43f3e411 | 132 | static struct compunit_symtab * |
20781792 | 133 | get_java_class_symtab (struct gdbarch *gdbarch) |
c906108c | 134 | { |
86cc0029 | 135 | struct objfile *objfile = get_dynamics_objfile (gdbarch); |
43f3e411 | 136 | struct compunit_symtab *class_symtab = objfile->compunit_symtabs; |
86cc0029 | 137 | |
c906108c SS |
138 | if (class_symtab == NULL) |
139 | { | |
c906108c SS |
140 | struct blockvector *bv; |
141 | struct block *bl; | |
30cc903e | 142 | struct jv_per_objfile_data *jv_data; |
e0881a8e | 143 | |
43f3e411 DE |
144 | class_symtab = allocate_compunit_symtab (objfile, "<java-classes>"); |
145 | add_compunit_symtab_to_objfile (class_symtab); | |
146 | allocate_symtab (class_symtab, "<java-classes>"); | |
147 | ||
148 | COMPUNIT_FILETABS (class_symtab)->language = language_java; | |
c906108c | 149 | bv = (struct blockvector *) |
4a146b47 | 150 | obstack_alloc (&objfile->objfile_obstack, |
de4f826b | 151 | sizeof (struct blockvector) + sizeof (struct block *)); |
c906108c | 152 | BLOCKVECTOR_NBLOCKS (bv) = 1; |
43f3e411 | 153 | COMPUNIT_BLOCKVECTOR (class_symtab) = bv; |
c906108c | 154 | |
1777feb0 | 155 | /* Allocate dummy STATIC_BLOCK. */ |
4a146b47 EZ |
156 | bl = allocate_block (&objfile->objfile_obstack); |
157 | BLOCK_DICT (bl) = dict_create_linear (&objfile->objfile_obstack, | |
de4f826b | 158 | NULL); |
c906108c SS |
159 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; |
160 | ||
5c4e30ca | 161 | /* Allocate GLOBAL_BLOCK. */ |
84a146c9 | 162 | bl = allocate_global_block (&objfile->objfile_obstack); |
de4f826b | 163 | BLOCK_DICT (bl) = dict_create_hashed_expandable (); |
43f3e411 | 164 | set_block_compunit_symtab (bl, class_symtab); |
c906108c | 165 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; |
30cc903e TT |
166 | |
167 | /* Arrange to free the dict. */ | |
168 | jv_data = objfile_data (objfile, jv_dynamics_objfile_data_key); | |
169 | jv_data->dict = BLOCK_DICT (bl); | |
c906108c SS |
170 | } |
171 | return class_symtab; | |
172 | } | |
173 | ||
174 | static void | |
fba45db2 | 175 | add_class_symtab_symbol (struct symbol *sym) |
c906108c | 176 | { |
08be3fe3 | 177 | struct compunit_symtab *cust = get_java_class_symtab (symbol_arch (sym)); |
43f3e411 | 178 | const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (cust); |
e0881a8e | 179 | |
de4f826b | 180 | dict_add_symbol (BLOCK_DICT (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)), sym); |
c906108c SS |
181 | } |
182 | ||
c906108c | 183 | static struct symbol * |
fba45db2 | 184 | add_class_symbol (struct type *type, CORE_ADDR addr) |
c906108c SS |
185 | { |
186 | struct symbol *sym; | |
86cc0029 | 187 | struct objfile *objfile = get_dynamics_objfile (get_type_arch (type)); |
e0881a8e | 188 | |
e623cf5d | 189 | sym = allocate_symbol (objfile); |
f85f34ed | 190 | SYMBOL_SET_LANGUAGE (sym, language_java, &objfile->objfile_obstack); |
3567439c | 191 | SYMBOL_SET_LINKAGE_NAME (sym, TYPE_TAG_NAME (type)); |
f1e6e072 | 192 | SYMBOL_ACLASS_INDEX (sym) = LOC_TYPEDEF; |
c5aa993b | 193 | /* SYMBOL_VALUE (sym) = valu; */ |
c906108c | 194 | SYMBOL_TYPE (sym) = type; |
176620f1 | 195 | SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN; |
c906108c SS |
196 | SYMBOL_VALUE_ADDRESS (sym) = addr; |
197 | return sym; | |
198 | } | |
de4f826b | 199 | |
c906108c | 200 | struct type * |
fba45db2 | 201 | java_lookup_class (char *name) |
c906108c SS |
202 | { |
203 | struct symbol *sym; | |
e0881a8e | 204 | |
d12307c1 PMR |
205 | sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN, |
206 | NULL).symbol; | |
c906108c SS |
207 | if (sym != NULL) |
208 | return SYMBOL_TYPE (sym); | |
1777feb0 | 209 | /* FIXME - should search inferior's symbol table. */ |
c906108c | 210 | return NULL; |
c906108c SS |
211 | } |
212 | ||
213 | /* Return a nul-terminated string (allocated on OBSTACK) for | |
1777feb0 | 214 | a name given by NAME (which has type Utf8Const*). */ |
c906108c SS |
215 | |
216 | char * | |
75c9979e | 217 | get_java_utf8_name (struct obstack *obstack, struct value *name) |
c906108c SS |
218 | { |
219 | char *chrs; | |
75c9979e | 220 | struct value *temp = name; |
c906108c SS |
221 | int name_length; |
222 | CORE_ADDR data_addr; | |
e0881a8e | 223 | |
c906108c SS |
224 | temp = value_struct_elt (&temp, NULL, "length", NULL, "structure"); |
225 | name_length = (int) value_as_long (temp); | |
42ae5230 | 226 | data_addr = value_address (temp) + TYPE_LENGTH (value_type (temp)); |
c5aa993b JM |
227 | chrs = obstack_alloc (obstack, name_length + 1); |
228 | chrs[name_length] = '\0'; | |
c68a6671 | 229 | read_memory (data_addr, (gdb_byte *) chrs, name_length); |
c906108c SS |
230 | return chrs; |
231 | } | |
232 | ||
75c9979e AC |
233 | struct value * |
234 | java_class_from_object (struct value *obj_val) | |
c906108c SS |
235 | { |
236 | /* This is all rather inefficient, since the offsets of vtable and | |
237 | class are fixed. FIXME */ | |
75c9979e | 238 | struct value *vtable_val; |
c906108c | 239 | |
df407dfe AC |
240 | if (TYPE_CODE (value_type (obj_val)) == TYPE_CODE_PTR |
241 | && TYPE_LENGTH (TYPE_TARGET_TYPE (value_type (obj_val))) == 0) | |
c906108c | 242 | obj_val = value_at (get_java_object_type (), |
00a4c844 | 243 | value_as_address (obj_val)); |
c906108c SS |
244 | |
245 | vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure"); | |
246 | return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure"); | |
247 | } | |
248 | ||
249 | /* Check if CLASS_IS_PRIMITIVE(value of clas): */ | |
392a587b | 250 | static int |
75c9979e | 251 | java_class_is_primitive (struct value *clas) |
c906108c | 252 | { |
1777feb0 MS |
253 | struct value *vtable = value_struct_elt (&clas, NULL, "vtable", |
254 | NULL, "struct"); | |
1aa20aa8 | 255 | CORE_ADDR i = value_as_address (vtable); |
e0881a8e | 256 | |
c906108c SS |
257 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; |
258 | } | |
259 | ||
1777feb0 | 260 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ |
c906108c SS |
261 | |
262 | struct type * | |
0daa2b63 | 263 | type_from_class (struct gdbarch *gdbarch, struct value *clas) |
c906108c SS |
264 | { |
265 | struct type *type; | |
266 | char *name; | |
75c9979e | 267 | struct value *temp; |
c906108c | 268 | struct objfile *objfile; |
75c9979e | 269 | struct value *utf8_name; |
c906108c SS |
270 | char *nptr; |
271 | CORE_ADDR addr; | |
c906108c | 272 | |
df407dfe | 273 | type = check_typedef (value_type (clas)); |
c906108c SS |
274 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
275 | { | |
276 | if (value_logical_not (clas)) | |
277 | return NULL; | |
278 | clas = value_ind (clas); | |
279 | } | |
42ae5230 | 280 | addr = value_address (clas); |
c906108c | 281 | |
20781792 | 282 | objfile = get_dynamics_objfile (gdbarch); |
c906108c SS |
283 | if (java_class_is_primitive (clas)) |
284 | { | |
75c9979e | 285 | struct value *sig; |
e0881a8e | 286 | |
c906108c SS |
287 | temp = clas; |
288 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); | |
0daa2b63 | 289 | return java_primitive_type (gdbarch, value_as_long (sig)); |
c906108c SS |
290 | } |
291 | ||
1777feb0 MS |
292 | /* Get Class name. */ |
293 | /* If clasloader non-null, prepend loader address. FIXME */ | |
c906108c SS |
294 | temp = clas; |
295 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
b99607ea | 296 | name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name); |
c5aa993b | 297 | for (nptr = name; *nptr != 0; nptr++) |
c906108c SS |
298 | { |
299 | if (*nptr == '/') | |
300 | *nptr = '.'; | |
301 | } | |
302 | ||
303 | type = java_lookup_class (name); | |
304 | if (type != NULL) | |
305 | return type; | |
306 | ||
20781792 | 307 | type = alloc_type (objfile); |
c906108c SS |
308 | TYPE_CODE (type) = TYPE_CODE_STRUCT; |
309 | INIT_CPLUS_SPECIFIC (type); | |
310 | ||
311 | if (name[0] == '[') | |
312 | { | |
313 | char *signature = name; | |
314 | int namelen = java_demangled_signature_length (signature); | |
e0881a8e | 315 | |
c906108c | 316 | if (namelen > strlen (name)) |
b99607ea | 317 | name = obstack_alloc (&objfile->objfile_obstack, namelen + 1); |
c906108c SS |
318 | java_demangled_signature_copy (name, signature); |
319 | name[namelen] = '\0'; | |
c906108c | 320 | temp = clas; |
1777feb0 | 321 | /* Set array element type. */ |
c906108c | 322 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); |
1777feb0 MS |
323 | deprecated_set_value_type (temp, |
324 | lookup_pointer_type (value_type (clas))); | |
0daa2b63 | 325 | TYPE_TARGET_TYPE (type) = type_from_class (gdbarch, temp); |
c906108c SS |
326 | } |
327 | ||
328 | ALLOCATE_CPLUS_STRUCT_TYPE (type); | |
329 | TYPE_TAG_NAME (type) = name; | |
330 | ||
331 | add_class_symtab_symbol (add_class_symbol (type, addr)); | |
0daa2b63 | 332 | return java_link_class_type (gdbarch, type, clas); |
c906108c SS |
333 | } |
334 | ||
1777feb0 | 335 | /* Fill in class TYPE with data from the CLAS value. */ |
c906108c | 336 | |
20781792 | 337 | static struct type * |
0daa2b63 UW |
338 | java_link_class_type (struct gdbarch *gdbarch, |
339 | struct type *type, struct value *clas) | |
c906108c | 340 | { |
75c9979e | 341 | struct value *temp; |
0d5cff50 DE |
342 | const char *unqualified_name; |
343 | const char *name = TYPE_TAG_NAME (type); | |
c906108c SS |
344 | int ninterfaces, nfields, nmethods; |
345 | int type_is_object = 0; | |
346 | struct fn_field *fn_fields; | |
347 | struct fn_fieldlist *fn_fieldlists; | |
75c9979e AC |
348 | struct value *fields; |
349 | struct value *methods; | |
c65ecaf3 AC |
350 | struct value *method = NULL; |
351 | struct value *field = NULL; | |
c906108c | 352 | int i, j; |
20781792 | 353 | struct objfile *objfile = get_dynamics_objfile (gdbarch); |
c906108c SS |
354 | struct type *tsuper; |
355 | ||
03b4bca2 | 356 | gdb_assert (name != NULL); |
c906108c SS |
357 | unqualified_name = strrchr (name, '.'); |
358 | if (unqualified_name == NULL) | |
359 | unqualified_name = name; | |
360 | ||
361 | temp = clas; | |
362 | temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure"); | |
03b4bca2 | 363 | if (strcmp (name, "java.lang.Object") == 0) |
c906108c SS |
364 | { |
365 | tsuper = get_java_object_type (); | |
366 | if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR) | |
367 | tsuper = TYPE_TARGET_TYPE (tsuper); | |
368 | type_is_object = 1; | |
369 | } | |
370 | else | |
0daa2b63 | 371 | tsuper = type_from_class (gdbarch, temp); |
c906108c SS |
372 | |
373 | #if 1 | |
374 | ninterfaces = 0; | |
375 | #else | |
376 | temp = clas; | |
1777feb0 MS |
377 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", |
378 | NULL, "structure")); | |
c906108c SS |
379 | #endif |
380 | TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces; | |
381 | temp = clas; | |
1777feb0 MS |
382 | nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", |
383 | NULL, "structure")); | |
c906108c | 384 | nfields += TYPE_N_BASECLASSES (type); |
1777feb0 | 385 | nfields++; /* Add one for dummy "class" field. */ |
c906108c SS |
386 | TYPE_NFIELDS (type) = nfields; |
387 | TYPE_FIELDS (type) = (struct field *) | |
388 | TYPE_ALLOC (type, sizeof (struct field) * nfields); | |
389 | ||
390 | memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields); | |
391 | ||
392 | TYPE_FIELD_PRIVATE_BITS (type) = | |
393 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
394 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); | |
395 | ||
396 | TYPE_FIELD_PROTECTED_BITS (type) = | |
397 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
398 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); | |
399 | ||
400 | TYPE_FIELD_IGNORE_BITS (type) = | |
401 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); | |
402 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields); | |
403 | ||
404 | TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) | |
405 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type))); | |
406 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type)); | |
407 | ||
408 | if (tsuper != NULL) | |
409 | { | |
410 | TYPE_BASECLASS (type, 0) = tsuper; | |
411 | if (type_is_object) | |
412 | SET_TYPE_FIELD_PRIVATE (type, 0); | |
413 | } | |
414 | ||
415 | i = strlen (name); | |
c5aa993b | 416 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL) |
c906108c SS |
417 | { |
418 | /* FIXME */ | |
1777feb0 | 419 | TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */ |
c906108c SS |
420 | } |
421 | else | |
422 | { | |
423 | temp = clas; | |
1777feb0 MS |
424 | temp = value_struct_elt (&temp, NULL, "size_in_bytes", |
425 | NULL, "structure"); | |
c906108c SS |
426 | TYPE_LENGTH (type) = value_as_long (temp); |
427 | } | |
428 | ||
429 | fields = NULL; | |
1777feb0 | 430 | nfields--; /* First set up dummy "class" field. */ |
42ae5230 | 431 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), value_address (clas)); |
c906108c | 432 | TYPE_FIELD_NAME (type, nfields) = "class"; |
df407dfe | 433 | TYPE_FIELD_TYPE (type, nfields) = value_type (clas); |
c906108c | 434 | SET_TYPE_FIELD_PRIVATE (type, nfields); |
c5aa993b JM |
435 | |
436 | for (i = TYPE_N_BASECLASSES (type); i < nfields; i++) | |
c906108c SS |
437 | { |
438 | int accflags; | |
439 | int boffset; | |
e0881a8e | 440 | |
c906108c SS |
441 | if (fields == NULL) |
442 | { | |
443 | temp = clas; | |
444 | fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure"); | |
445 | field = value_ind (fields); | |
446 | } | |
447 | else | |
1777feb0 | 448 | { /* Re-use field value for next field. */ |
42ae5230 TT |
449 | CORE_ADDR addr |
450 | = value_address (field) + TYPE_LENGTH (value_type (field)); | |
e0881a8e | 451 | |
42ae5230 | 452 | set_value_address (field, addr); |
dfa52d88 | 453 | set_value_lazy (field, 1); |
c906108c SS |
454 | } |
455 | temp = field; | |
456 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
457 | TYPE_FIELD_NAME (type, i) = | |
b99607ea | 458 | get_java_utf8_name (&objfile->objfile_obstack, temp); |
c906108c SS |
459 | temp = field; |
460 | accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags", | |
461 | NULL, "structure")); | |
462 | temp = field; | |
463 | temp = value_struct_elt (&temp, NULL, "info", NULL, "structure"); | |
464 | boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset", | |
c5aa993b JM |
465 | NULL, "structure")); |
466 | if (accflags & 0x0001) /* public access */ | |
c906108c SS |
467 | { |
468 | /* ??? */ | |
469 | } | |
c5aa993b | 470 | if (accflags & 0x0002) /* private access */ |
c906108c SS |
471 | { |
472 | SET_TYPE_FIELD_PRIVATE (type, i); | |
473 | } | |
c5aa993b | 474 | if (accflags & 0x0004) /* protected access */ |
c906108c SS |
475 | { |
476 | SET_TYPE_FIELD_PROTECTED (type, i); | |
477 | } | |
c5aa993b JM |
478 | if (accflags & 0x0008) /* ACC_STATIC */ |
479 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset); | |
c906108c | 480 | else |
945b3a32 | 481 | SET_FIELD_BITPOS (TYPE_FIELD (type, i), 8 * boffset); |
c5aa993b | 482 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
c906108c | 483 | { |
c5aa993b | 484 | TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */ |
c906108c SS |
485 | } |
486 | else | |
487 | { | |
488 | struct type *ftype; | |
e0881a8e | 489 | |
c906108c SS |
490 | temp = field; |
491 | temp = value_struct_elt (&temp, NULL, "type", NULL, "structure"); | |
0daa2b63 | 492 | ftype = type_from_class (gdbarch, temp); |
c906108c SS |
493 | if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT) |
494 | ftype = lookup_pointer_type (ftype); | |
495 | TYPE_FIELD_TYPE (type, i) = ftype; | |
496 | } | |
497 | } | |
498 | ||
499 | temp = clas; | |
500 | nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count", | |
501 | NULL, "structure")); | |
c906108c | 502 | j = nmethods * sizeof (struct fn_field); |
c5aa993b | 503 | fn_fields = (struct fn_field *) |
86cc0029 | 504 | obstack_alloc (&objfile->objfile_obstack, j); |
c906108c | 505 | memset (fn_fields, 0, j); |
c5aa993b | 506 | fn_fieldlists = (struct fn_fieldlist *) |
c906108c SS |
507 | alloca (nmethods * sizeof (struct fn_fieldlist)); |
508 | ||
509 | methods = NULL; | |
c5aa993b | 510 | for (i = 0; i < nmethods; i++) |
c906108c | 511 | { |
0d5cff50 | 512 | const char *mname; |
c906108c | 513 | int k; |
e0881a8e | 514 | |
c906108c SS |
515 | if (methods == NULL) |
516 | { | |
517 | temp = clas; | |
1777feb0 MS |
518 | methods = value_struct_elt (&temp, NULL, "methods", |
519 | NULL, "structure"); | |
c906108c SS |
520 | method = value_ind (methods); |
521 | } | |
522 | else | |
1777feb0 | 523 | { /* Re-use method value for next method. */ |
42ae5230 TT |
524 | CORE_ADDR addr |
525 | = value_address (method) + TYPE_LENGTH (value_type (method)); | |
e0881a8e | 526 | |
42ae5230 | 527 | set_value_address (method, addr); |
dfa52d88 | 528 | set_value_lazy (method, 1); |
c906108c SS |
529 | } |
530 | ||
1777feb0 | 531 | /* Get method name. */ |
c906108c SS |
532 | temp = method; |
533 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); | |
b99607ea | 534 | mname = get_java_utf8_name (&objfile->objfile_obstack, temp); |
c906108c SS |
535 | if (strcmp (mname, "<init>") == 0) |
536 | mname = unqualified_name; | |
537 | ||
538 | /* Check for an existing method with the same name. | |
539 | * This makes building the fn_fieldslists an O(nmethods**2) | |
540 | * operation. That could be using hashing, but I doubt it | |
541 | * is worth it. Note that we do maintain the order of methods | |
542 | * in the inferior's Method table (as long as that is grouped | |
543 | * by method name), which I think is desirable. --PB */ | |
c5aa993b | 544 | for (k = 0, j = TYPE_NFN_FIELDS (type);;) |
c906108c SS |
545 | { |
546 | if (--j < 0) | |
1777feb0 | 547 | { /* No match - new method name. */ |
c5aa993b | 548 | j = TYPE_NFN_FIELDS (type)++; |
c906108c SS |
549 | fn_fieldlists[j].name = mname; |
550 | fn_fieldlists[j].length = 1; | |
551 | fn_fieldlists[j].fn_fields = &fn_fields[i]; | |
552 | k = i; | |
553 | break; | |
554 | } | |
555 | if (strcmp (mname, fn_fieldlists[j].name) == 0) | |
1777feb0 | 556 | { /* Found an existing method with the same name. */ |
c906108c | 557 | int l; |
e0881a8e | 558 | |
c906108c | 559 | if (mname != unqualified_name) |
b99607ea | 560 | obstack_free (&objfile->objfile_obstack, mname); |
c906108c SS |
561 | mname = fn_fieldlists[j].name; |
562 | fn_fieldlists[j].length++; | |
1777feb0 MS |
563 | k = i - k; /* Index of new slot. */ |
564 | /* Shift intervening fn_fields (between k and i) down. */ | |
c5aa993b JM |
565 | for (l = i; l > k; l--) |
566 | fn_fields[l] = fn_fields[l - 1]; | |
567 | for (l = TYPE_NFN_FIELDS (type); --l > j;) | |
c906108c SS |
568 | fn_fieldlists[l].fn_fields++; |
569 | break; | |
570 | } | |
571 | k += fn_fieldlists[j].length; | |
572 | } | |
573 | fn_fields[k].physname = ""; | |
574 | fn_fields[k].is_stub = 1; | |
323427d1 | 575 | /* FIXME */ |
0daa2b63 UW |
576 | fn_fields[k].type = lookup_function_type |
577 | (builtin_java_type (gdbarch)->builtin_void); | |
c906108c SS |
578 | TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD; |
579 | } | |
580 | ||
c5aa993b JM |
581 | j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist); |
582 | TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) | |
86cc0029 | 583 | obstack_alloc (&objfile->objfile_obstack, j); |
c906108c | 584 | memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j); |
c5aa993b | 585 | |
c906108c SS |
586 | return type; |
587 | } | |
588 | ||
c906108c | 589 | struct type * |
fba45db2 | 590 | get_java_object_type (void) |
c906108c | 591 | { |
86cc0029 | 592 | struct symbol *sym; |
e0881a8e | 593 | |
d12307c1 | 594 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, NULL).symbol; |
86cc0029 TT |
595 | if (sym == NULL) |
596 | error (_("cannot find java.lang.Object")); | |
597 | return SYMBOL_TYPE (sym); | |
c906108c SS |
598 | } |
599 | ||
600 | int | |
45d5d5ca | 601 | get_java_object_header_size (struct gdbarch *gdbarch) |
c906108c SS |
602 | { |
603 | struct type *objtype = get_java_object_type (); | |
e0881a8e | 604 | |
c906108c | 605 | if (objtype == NULL) |
45d5d5ca | 606 | return (2 * gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT); |
c906108c SS |
607 | else |
608 | return TYPE_LENGTH (objtype); | |
609 | } | |
610 | ||
611 | int | |
fba45db2 | 612 | is_object_type (struct type *type) |
c906108c | 613 | { |
f168693b | 614 | type = check_typedef (type); |
c906108c SS |
615 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
616 | { | |
617 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)); | |
0d5cff50 | 618 | const char *name; |
c906108c SS |
619 | if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT) |
620 | return 0; | |
621 | while (TYPE_N_BASECLASSES (ttype) > 0) | |
622 | ttype = TYPE_BASECLASS (ttype, 0); | |
623 | name = TYPE_TAG_NAME (ttype); | |
624 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) | |
625 | return 1; | |
1777feb0 MS |
626 | name |
627 | = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0; | |
c906108c | 628 | if (name != NULL && strcmp (name, "vtable") == 0) |
86cc0029 | 629 | return 1; |
c906108c SS |
630 | } |
631 | return 0; | |
632 | } | |
633 | ||
634 | struct type * | |
0daa2b63 | 635 | java_primitive_type (struct gdbarch *gdbarch, int signature) |
c906108c | 636 | { |
0daa2b63 UW |
637 | const struct builtin_java_type *builtin = builtin_java_type (gdbarch); |
638 | ||
c906108c SS |
639 | switch (signature) |
640 | { | |
c5aa993b | 641 | case 'B': |
0daa2b63 | 642 | return builtin->builtin_byte; |
c5aa993b | 643 | case 'S': |
0daa2b63 | 644 | return builtin->builtin_short; |
c5aa993b | 645 | case 'I': |
0daa2b63 | 646 | return builtin->builtin_int; |
c5aa993b | 647 | case 'J': |
0daa2b63 | 648 | return builtin->builtin_long; |
c5aa993b | 649 | case 'Z': |
0daa2b63 | 650 | return builtin->builtin_boolean; |
c5aa993b | 651 | case 'C': |
0daa2b63 | 652 | return builtin->builtin_char; |
c5aa993b | 653 | case 'F': |
0daa2b63 | 654 | return builtin->builtin_float; |
c5aa993b | 655 | case 'D': |
0daa2b63 | 656 | return builtin->builtin_double; |
c5aa993b | 657 | case 'V': |
0daa2b63 | 658 | return builtin->builtin_void; |
c906108c | 659 | } |
8a3fe4f8 | 660 | error (_("unknown signature '%c' for primitive type"), (char) signature); |
c906108c SS |
661 | } |
662 | ||
663 | /* If name[0 .. namelen-1] is the name of a primitive Java type, | |
1777feb0 | 664 | return that type. Otherwise, return NULL. */ |
c906108c SS |
665 | |
666 | struct type * | |
0daa2b63 | 667 | java_primitive_type_from_name (struct gdbarch *gdbarch, |
0d5cff50 | 668 | const char *name, int namelen) |
c906108c | 669 | { |
0daa2b63 UW |
670 | const struct builtin_java_type *builtin = builtin_java_type (gdbarch); |
671 | ||
c906108c SS |
672 | switch (name[0]) |
673 | { | |
674 | case 'b': | |
675 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) | |
0daa2b63 | 676 | return builtin->builtin_byte; |
c906108c | 677 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) |
0daa2b63 | 678 | return builtin->builtin_boolean; |
c906108c SS |
679 | break; |
680 | case 'c': | |
681 | if (namelen == 4 && memcmp (name, "char", 4) == 0) | |
0daa2b63 | 682 | return builtin->builtin_char; |
3ef09ab5 | 683 | break; |
c906108c SS |
684 | case 'd': |
685 | if (namelen == 6 && memcmp (name, "double", 6) == 0) | |
0daa2b63 | 686 | return builtin->builtin_double; |
c906108c SS |
687 | break; |
688 | case 'f': | |
689 | if (namelen == 5 && memcmp (name, "float", 5) == 0) | |
0daa2b63 | 690 | return builtin->builtin_float; |
c906108c SS |
691 | break; |
692 | case 'i': | |
693 | if (namelen == 3 && memcmp (name, "int", 3) == 0) | |
0daa2b63 | 694 | return builtin->builtin_int; |
c906108c SS |
695 | break; |
696 | case 'l': | |
697 | if (namelen == 4 && memcmp (name, "long", 4) == 0) | |
0daa2b63 | 698 | return builtin->builtin_long; |
c906108c SS |
699 | break; |
700 | case 's': | |
701 | if (namelen == 5 && memcmp (name, "short", 5) == 0) | |
0daa2b63 | 702 | return builtin->builtin_short; |
c906108c SS |
703 | break; |
704 | case 'v': | |
705 | if (namelen == 4 && memcmp (name, "void", 4) == 0) | |
0daa2b63 | 706 | return builtin->builtin_void; |
c906108c SS |
707 | break; |
708 | } | |
709 | return NULL; | |
710 | } | |
711 | ||
0daa2b63 UW |
712 | static char * |
713 | java_primitive_type_name (int signature) | |
714 | { | |
715 | switch (signature) | |
716 | { | |
717 | case 'B': | |
718 | return "byte"; | |
719 | case 'S': | |
720 | return "short"; | |
721 | case 'I': | |
722 | return "int"; | |
723 | case 'J': | |
724 | return "long"; | |
725 | case 'Z': | |
726 | return "boolean"; | |
727 | case 'C': | |
728 | return "char"; | |
729 | case 'F': | |
730 | return "float"; | |
731 | case 'D': | |
732 | return "double"; | |
733 | case 'V': | |
734 | return "void"; | |
735 | } | |
736 | error (_("unknown signature '%c' for primitive type"), (char) signature); | |
737 | } | |
738 | ||
c906108c | 739 | /* Return the length (in bytes) of demangled name of the Java type |
1777feb0 | 740 | signature string SIGNATURE. */ |
c906108c SS |
741 | |
742 | static int | |
0d5cff50 | 743 | java_demangled_signature_length (const char *signature) |
c906108c SS |
744 | { |
745 | int array = 0; | |
e0881a8e | 746 | |
c5aa993b | 747 | for (; *signature == '['; signature++) |
1777feb0 | 748 | array += 2; /* Two chars for "[]". */ |
c906108c SS |
749 | switch (signature[0]) |
750 | { | |
751 | case 'L': | |
1777feb0 | 752 | /* Subtract 2 for 'L' and ';'. */ |
c906108c SS |
753 | return strlen (signature) - 2 + array; |
754 | default: | |
0daa2b63 | 755 | return strlen (java_primitive_type_name (signature[0])) + array; |
c906108c SS |
756 | } |
757 | } | |
758 | ||
1777feb0 MS |
759 | /* Demangle the Java type signature SIGNATURE, leaving the result in |
760 | RESULT. */ | |
c906108c SS |
761 | |
762 | static void | |
0d5cff50 | 763 | java_demangled_signature_copy (char *result, const char *signature) |
c906108c SS |
764 | { |
765 | int array = 0; | |
766 | char *ptr; | |
767 | int i; | |
e0881a8e | 768 | |
c906108c SS |
769 | while (*signature == '[') |
770 | { | |
771 | array++; | |
772 | signature++; | |
773 | } | |
774 | switch (signature[0]) | |
775 | { | |
776 | case 'L': | |
1777feb0 | 777 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ |
c906108c SS |
778 | signature++; |
779 | ptr = result; | |
c5aa993b | 780 | for (; *signature != ';' && *signature != '\0'; signature++) |
c906108c SS |
781 | { |
782 | if (*signature == '/') | |
783 | *ptr++ = '.'; | |
784 | else | |
785 | *ptr++ = *signature; | |
786 | } | |
787 | break; | |
788 | default: | |
0daa2b63 | 789 | ptr = java_primitive_type_name (signature[0]); |
c906108c SS |
790 | i = strlen (ptr); |
791 | strcpy (result, ptr); | |
792 | ptr = result + i; | |
793 | break; | |
794 | } | |
795 | while (--array >= 0) | |
796 | { | |
797 | *ptr++ = '['; | |
798 | *ptr++ = ']'; | |
799 | } | |
800 | } | |
801 | ||
802 | /* Return the demangled name of the Java type signature string SIGNATURE, | |
1777feb0 | 803 | as a freshly allocated copy. */ |
c906108c SS |
804 | |
805 | char * | |
0d5cff50 | 806 | java_demangle_type_signature (const char *signature) |
c906108c SS |
807 | { |
808 | int length = java_demangled_signature_length (signature); | |
809 | char *result = xmalloc (length + 1); | |
e0881a8e | 810 | |
c906108c SS |
811 | java_demangled_signature_copy (result, signature); |
812 | result[length] = '\0'; | |
813 | return result; | |
814 | } | |
815 | ||
c906108c | 816 | /* Return the type of TYPE followed by DIMS pairs of [ ]. |
1777feb0 | 817 | If DIMS == 0, TYPE is returned. */ |
c906108c SS |
818 | |
819 | struct type * | |
fba45db2 | 820 | java_array_type (struct type *type, int dims) |
c906108c | 821 | { |
c906108c SS |
822 | while (dims-- > 0) |
823 | { | |
1777feb0 | 824 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ |
e3506a9f | 825 | type = lookup_array_range_type (type, 0, 0); |
c906108c SS |
826 | } |
827 | ||
828 | return type; | |
829 | } | |
830 | ||
1777feb0 | 831 | /* Create a Java string in the inferior from a (Utf8) literal. */ |
c906108c | 832 | |
75c9979e | 833 | static struct value * |
fba45db2 | 834 | java_value_string (char *ptr, int len) |
c906108c | 835 | { |
8a3fe4f8 | 836 | error (_("not implemented - java_value_string")); /* FIXME */ |
c906108c SS |
837 | } |
838 | ||
127c81bc TT |
839 | /* Return the encoding that should be used for the character type |
840 | TYPE. */ | |
841 | ||
842 | static const char * | |
843 | java_get_encoding (struct type *type) | |
844 | { | |
845 | struct gdbarch *arch = get_type_arch (type); | |
846 | const char *encoding; | |
847 | ||
848 | if (type == builtin_java_type (arch)->builtin_char) | |
849 | { | |
850 | if (gdbarch_byte_order (arch) == BFD_ENDIAN_BIG) | |
851 | encoding = "UTF-16BE"; | |
852 | else | |
853 | encoding = "UTF-16LE"; | |
854 | } | |
855 | else | |
856 | encoding = target_charset (arch); | |
857 | ||
858 | return encoding; | |
859 | } | |
860 | ||
c906108c SS |
861 | /* Print the character C on STREAM as part of the contents of a literal |
862 | string whose delimiter is QUOTER. Note that that format for printing | |
1777feb0 | 863 | characters and strings is language specific. */ |
c906108c SS |
864 | |
865 | static void | |
6c7a06a3 | 866 | java_emit_char (int c, struct type *type, struct ui_file *stream, int quoter) |
c906108c | 867 | { |
127c81bc TT |
868 | const char *encoding = java_get_encoding (type); |
869 | ||
870 | generic_emit_char (c, type, stream, quoter, encoding); | |
871 | } | |
872 | ||
873 | /* Implementation of la_printchar method. */ | |
874 | ||
875 | static void | |
876 | java_printchar (int c, struct type *type, struct ui_file *stream) | |
877 | { | |
878 | fputs_filtered ("'", stream); | |
879 | LA_EMIT_CHAR (c, type, stream, '\''); | |
880 | fputs_filtered ("'", stream); | |
881 | } | |
882 | ||
883 | /* Implementation of la_printstr method. */ | |
884 | ||
885 | static void | |
886 | java_printstr (struct ui_file *stream, struct type *type, | |
887 | const gdb_byte *string, | |
888 | unsigned int length, const char *encoding, int force_ellipses, | |
889 | const struct value_print_options *options) | |
890 | { | |
891 | const char *type_encoding = java_get_encoding (type); | |
892 | ||
893 | if (!encoding || !*encoding) | |
894 | encoding = type_encoding; | |
895 | ||
896 | generic_printstr (stream, type, string, length, encoding, | |
897 | force_ellipses, '"', 0, options); | |
c906108c SS |
898 | } |
899 | ||
75c9979e | 900 | static struct value * |
f86f5ca3 PH |
901 | evaluate_subexp_java (struct type *expect_type, struct expression *exp, |
902 | int *pos, enum noside noside) | |
c906108c SS |
903 | { |
904 | int pc = *pos; | |
905 | int i; | |
0d5cff50 | 906 | const char *name; |
c906108c | 907 | enum exp_opcode op = exp->elts[*pos].opcode; |
75c9979e AC |
908 | struct value *arg1; |
909 | struct value *arg2; | |
c906108c | 910 | struct type *type; |
e0881a8e | 911 | |
c906108c SS |
912 | switch (op) |
913 | { | |
914 | case UNOP_IND: | |
915 | if (noside == EVAL_SKIP) | |
916 | goto standard; | |
917 | (*pos)++; | |
918 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); | |
df407dfe | 919 | if (is_object_type (value_type (arg1))) |
c906108c SS |
920 | { |
921 | struct type *type; | |
922 | ||
0daa2b63 | 923 | type = type_from_class (exp->gdbarch, java_class_from_object (arg1)); |
c906108c SS |
924 | arg1 = value_cast (lookup_pointer_type (type), arg1); |
925 | } | |
c906108c SS |
926 | return value_ind (arg1); |
927 | ||
928 | case BINOP_SUBSCRIPT: | |
929 | (*pos)++; | |
930 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
931 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); | |
932 | if (noside == EVAL_SKIP) | |
933 | goto nosideret; | |
934 | /* If the user attempts to subscript something that is not an | |
c5aa993b | 935 | array or pointer type (like a plain int variable for example), |
1777feb0 | 936 | then report this as an error. */ |
c5aa993b | 937 | |
994b9211 | 938 | arg1 = coerce_ref (arg1); |
df407dfe | 939 | type = check_typedef (value_type (arg1)); |
c906108c SS |
940 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
941 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
942 | name = TYPE_NAME (type); | |
943 | if (name == NULL) | |
944 | name = TYPE_TAG_NAME (type); | |
945 | i = name == NULL ? 0 : strlen (name); | |
946 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT | |
c5aa993b | 947 | && i > 2 && name[i - 1] == ']') |
c906108c | 948 | { |
e17a4113 | 949 | enum bfd_endian byte_order = gdbarch_byte_order (exp->gdbarch); |
c906108c SS |
950 | CORE_ADDR address; |
951 | long length, index; | |
952 | struct type *el_type; | |
c68a6671 | 953 | gdb_byte buf4[4]; |
c906108c | 954 | |
75c9979e AC |
955 | struct value *clas = java_class_from_object (arg1); |
956 | struct value *temp = clas; | |
1777feb0 | 957 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
c906108c | 958 | temp = value_struct_elt (&temp, NULL, "methods", |
c5aa993b | 959 | NULL, "structure"); |
04624583 | 960 | deprecated_set_value_type (temp, value_type (clas)); |
0daa2b63 | 961 | el_type = type_from_class (exp->gdbarch, temp); |
c906108c SS |
962 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) |
963 | el_type = lookup_pointer_type (el_type); | |
964 | ||
965 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
966 | return value_zero (el_type, VALUE_LVAL (arg1)); | |
1aa20aa8 | 967 | address = value_as_address (arg1); |
45d5d5ca | 968 | address += get_java_object_header_size (exp->gdbarch); |
c906108c | 969 | read_memory (address, buf4, 4); |
e17a4113 | 970 | length = (long) extract_signed_integer (buf4, 4, byte_order); |
c906108c SS |
971 | index = (long) value_as_long (arg2); |
972 | if (index >= length || index < 0) | |
8a3fe4f8 | 973 | error (_("array index (%ld) out of bounds (length: %ld)"), |
c906108c SS |
974 | index, length); |
975 | address = (address + 4) + index * TYPE_LENGTH (el_type); | |
00a4c844 | 976 | return value_at (el_type, address); |
c906108c SS |
977 | } |
978 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) | |
979 | { | |
980 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
981 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); | |
982 | else | |
2497b498 | 983 | return value_subscript (arg1, value_as_long (arg2)); |
c906108c SS |
984 | } |
985 | if (name) | |
8a3fe4f8 | 986 | error (_("cannot subscript something of type `%s'"), name); |
c906108c | 987 | else |
8a3fe4f8 | 988 | error (_("cannot subscript requested type")); |
c906108c SS |
989 | |
990 | case OP_STRING: | |
991 | (*pos)++; | |
992 | i = longest_to_int (exp->elts[pc + 1].longconst); | |
993 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); | |
994 | if (noside == EVAL_SKIP) | |
995 | goto nosideret; | |
996 | return java_value_string (&exp->elts[pc + 2].string, i); | |
997 | ||
dc5000e7 | 998 | case STRUCTOP_PTR: |
c906108c | 999 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); |
1777feb0 | 1000 | /* Convert object field (such as TYPE.class) to reference. */ |
df407dfe | 1001 | if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT) |
c906108c SS |
1002 | arg1 = value_addr (arg1); |
1003 | return arg1; | |
1004 | default: | |
1005 | break; | |
1006 | } | |
1007 | standard: | |
1008 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 1009 | nosideret: |
22601c15 | 1010 | return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1); |
c906108c SS |
1011 | } |
1012 | ||
9a3d7dfd AF |
1013 | static char *java_demangle (const char *mangled, int options) |
1014 | { | |
8de20a37 | 1015 | return gdb_demangle (mangled, options | DMGL_JAVA); |
9a3d7dfd AF |
1016 | } |
1017 | ||
31c27f77 JJ |
1018 | /* Find the member function name of the demangled name NAME. NAME |
1019 | must be a method name including arguments, in order to correctly | |
1020 | locate the last component. | |
1021 | ||
1022 | This function return a pointer to the first dot before the | |
1023 | member function name, or NULL if the name was not of the | |
1024 | expected form. */ | |
1025 | ||
1026 | static const char * | |
1027 | java_find_last_component (const char *name) | |
1028 | { | |
1029 | const char *p; | |
1030 | ||
1031 | /* Find argument list. */ | |
1032 | p = strchr (name, '('); | |
1033 | ||
1034 | if (p == NULL) | |
1035 | return NULL; | |
1036 | ||
1037 | /* Back up and find first dot prior to argument list. */ | |
1038 | while (p > name && *p != '.') | |
1039 | p--; | |
1040 | ||
1041 | if (p == name) | |
1042 | return NULL; | |
1043 | ||
1044 | return p; | |
1045 | } | |
1046 | ||
1047 | /* Return the name of the class containing method PHYSNAME. */ | |
1048 | ||
1049 | static char * | |
1050 | java_class_name_from_physname (const char *physname) | |
1051 | { | |
1052 | char *ret = NULL; | |
1053 | const char *end; | |
31c27f77 JJ |
1054 | char *demangled_name = java_demangle (physname, DMGL_PARAMS | DMGL_ANSI); |
1055 | ||
1056 | if (demangled_name == NULL) | |
1057 | return NULL; | |
1058 | ||
1059 | end = java_find_last_component (demangled_name); | |
1060 | if (end != NULL) | |
1061 | { | |
1062 | ret = xmalloc (end - demangled_name + 1); | |
1063 | memcpy (ret, demangled_name, end - demangled_name); | |
1064 | ret[end - demangled_name] = '\0'; | |
1065 | } | |
1066 | ||
1067 | xfree (demangled_name); | |
1068 | return ret; | |
1069 | } | |
9a3d7dfd | 1070 | |
c906108c SS |
1071 | /* Table mapping opcodes into strings for printing operators |
1072 | and precedences of the operators. */ | |
1073 | ||
1074 | const struct op_print java_op_print_tab[] = | |
c5aa993b JM |
1075 | { |
1076 | {",", BINOP_COMMA, PREC_COMMA, 0}, | |
1077 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
1078 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
1079 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
1080 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, | |
1081 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, | |
1082 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, | |
1083 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, | |
1084 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
1085 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
1086 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
1087 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
1088 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
1089 | {">>", BINOP_RSH, PREC_SHIFT, 0}, | |
1090 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, | |
c5aa993b JM |
1091 | {"+", BINOP_ADD, PREC_ADD, 0}, |
1092 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
1093 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
1094 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
1095 | {"%", BINOP_REM, PREC_MUL, 0}, | |
1096 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
1097 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
1098 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, | |
1099 | {"*", UNOP_IND, PREC_PREFIX, 0}, | |
c5aa993b JM |
1100 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
1101 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, | |
f486487f | 1102 | {NULL, OP_NULL, PREC_PREFIX, 0} |
c906108c SS |
1103 | }; |
1104 | ||
de7b6b47 UW |
1105 | enum java_primitive_types |
1106 | { | |
1107 | java_primitive_type_int, | |
1108 | java_primitive_type_short, | |
1109 | java_primitive_type_long, | |
1110 | java_primitive_type_byte, | |
1111 | java_primitive_type_boolean, | |
1112 | java_primitive_type_char, | |
1113 | java_primitive_type_float, | |
1114 | java_primitive_type_double, | |
1115 | java_primitive_type_void, | |
1116 | nr_java_primitive_types | |
1117 | }; | |
1118 | ||
2c0b251b | 1119 | static void |
de7b6b47 UW |
1120 | java_language_arch_info (struct gdbarch *gdbarch, |
1121 | struct language_arch_info *lai) | |
1122 | { | |
0daa2b63 UW |
1123 | const struct builtin_java_type *builtin = builtin_java_type (gdbarch); |
1124 | ||
1125 | lai->string_char_type = builtin->builtin_char; | |
de7b6b47 UW |
1126 | lai->primitive_type_vector |
1127 | = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_java_primitive_types + 1, | |
1128 | struct type *); | |
1129 | lai->primitive_type_vector [java_primitive_type_int] | |
0daa2b63 | 1130 | = builtin->builtin_int; |
de7b6b47 | 1131 | lai->primitive_type_vector [java_primitive_type_short] |
0daa2b63 | 1132 | = builtin->builtin_short; |
de7b6b47 | 1133 | lai->primitive_type_vector [java_primitive_type_long] |
0daa2b63 | 1134 | = builtin->builtin_long; |
de7b6b47 | 1135 | lai->primitive_type_vector [java_primitive_type_byte] |
0daa2b63 | 1136 | = builtin->builtin_byte; |
de7b6b47 | 1137 | lai->primitive_type_vector [java_primitive_type_boolean] |
0daa2b63 | 1138 | = builtin->builtin_boolean; |
de7b6b47 | 1139 | lai->primitive_type_vector [java_primitive_type_char] |
0daa2b63 | 1140 | = builtin->builtin_char; |
de7b6b47 | 1141 | lai->primitive_type_vector [java_primitive_type_float] |
0daa2b63 | 1142 | = builtin->builtin_float; |
de7b6b47 | 1143 | lai->primitive_type_vector [java_primitive_type_double] |
0daa2b63 | 1144 | = builtin->builtin_double; |
de7b6b47 | 1145 | lai->primitive_type_vector [java_primitive_type_void] |
0daa2b63 | 1146 | = builtin->builtin_void; |
fbb06eb1 UW |
1147 | |
1148 | lai->bool_type_symbol = "boolean"; | |
0daa2b63 | 1149 | lai->bool_type_default = builtin->builtin_boolean; |
de7b6b47 UW |
1150 | } |
1151 | ||
5f9769d1 PH |
1152 | const struct exp_descriptor exp_descriptor_java = |
1153 | { | |
1154 | print_subexp_standard, | |
1155 | operator_length_standard, | |
c0201579 | 1156 | operator_check_standard, |
5f9769d1 PH |
1157 | op_name_standard, |
1158 | dump_subexp_body_standard, | |
1159 | evaluate_subexp_java | |
1160 | }; | |
1161 | ||
c5aa993b JM |
1162 | const struct language_defn java_language_defn = |
1163 | { | |
1164 | "java", /* Language name */ | |
6abde28f | 1165 | "Java", |
c906108c | 1166 | language_java, |
c906108c | 1167 | range_check_off, |
63872f9d | 1168 | case_sensitive_on, |
7ca2d3a3 | 1169 | array_row_major, |
9a044a89 | 1170 | macro_expansion_no, |
5f9769d1 | 1171 | &exp_descriptor_java, |
c906108c SS |
1172 | java_parse, |
1173 | java_error, | |
e85c3284 | 1174 | null_post_parser, |
127c81bc TT |
1175 | java_printchar, /* Print a character constant */ |
1176 | java_printstr, /* Function to print string constant */ | |
c906108c | 1177 | java_emit_char, /* Function to print a single character */ |
c906108c | 1178 | java_print_type, /* Print a type using appropriate syntax */ |
5c6ce71d | 1179 | default_print_typedef, /* Print a typedef using appropriate syntax */ |
c906108c SS |
1180 | java_val_print, /* Print a value using appropriate syntax */ |
1181 | java_value_print, /* Print a top-level value */ | |
a5ee536b | 1182 | default_read_var_value, /* la_read_var_value */ |
f636b87d | 1183 | NULL, /* Language specific skip_trampoline */ |
2b2d9e11 | 1184 | "this", /* name_of_this */ |
5f9a71c3 | 1185 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ |
b368761e | 1186 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 1187 | java_demangle, /* Language specific symbol demangler */ |
31c27f77 | 1188 | java_class_name_from_physname,/* Language specific class name */ |
c906108c SS |
1189 | java_op_print_tab, /* expression operators for printing */ |
1190 | 0, /* not c-style arrays */ | |
1191 | 0, /* String lower bound */ | |
6084f43a | 1192 | default_word_break_characters, |
41d27058 | 1193 | default_make_symbol_completion_list, |
de7b6b47 | 1194 | java_language_arch_info, |
e79af960 | 1195 | default_print_array_index, |
41f1b697 | 1196 | default_pass_by_reference, |
ae6a3a4c | 1197 | default_get_string, |
1a119f36 | 1198 | NULL, /* la_get_symbol_name_cmp */ |
f8eba3c6 | 1199 | iterate_over_symbols, |
a53b64ea | 1200 | &java_varobj_ops, |
bb2ec1b3 TT |
1201 | NULL, |
1202 | NULL, | |
c906108c SS |
1203 | LANG_MAGIC |
1204 | }; | |
1205 | ||
0daa2b63 UW |
1206 | static void * |
1207 | build_java_types (struct gdbarch *gdbarch) | |
1208 | { | |
1209 | struct builtin_java_type *builtin_java_type | |
1210 | = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_java_type); | |
1211 | ||
1212 | builtin_java_type->builtin_int | |
e9bb382b | 1213 | = arch_integer_type (gdbarch, 32, 0, "int"); |
0daa2b63 | 1214 | builtin_java_type->builtin_short |
e9bb382b | 1215 | = arch_integer_type (gdbarch, 16, 0, "short"); |
0daa2b63 | 1216 | builtin_java_type->builtin_long |
e9bb382b | 1217 | = arch_integer_type (gdbarch, 64, 0, "long"); |
0daa2b63 | 1218 | builtin_java_type->builtin_byte |
e9bb382b | 1219 | = arch_integer_type (gdbarch, 8, 0, "byte"); |
0daa2b63 | 1220 | builtin_java_type->builtin_boolean |
e9bb382b | 1221 | = arch_boolean_type (gdbarch, 8, 0, "boolean"); |
0daa2b63 | 1222 | builtin_java_type->builtin_char |
e9bb382b | 1223 | = arch_character_type (gdbarch, 16, 1, "char"); |
0daa2b63 | 1224 | builtin_java_type->builtin_float |
e9bb382b | 1225 | = arch_float_type (gdbarch, 32, "float", NULL); |
0daa2b63 | 1226 | builtin_java_type->builtin_double |
e9bb382b | 1227 | = arch_float_type (gdbarch, 64, "double", NULL); |
0daa2b63 | 1228 | builtin_java_type->builtin_void |
e9bb382b | 1229 | = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void"); |
0daa2b63 UW |
1230 | |
1231 | return builtin_java_type; | |
1232 | } | |
1233 | ||
1234 | static struct gdbarch_data *java_type_data; | |
1235 | ||
1236 | const struct builtin_java_type * | |
1237 | builtin_java_type (struct gdbarch *gdbarch) | |
1238 | { | |
1239 | return gdbarch_data (gdbarch, java_type_data); | |
1240 | } | |
1241 | ||
c906108c | 1242 | void |
fba45db2 | 1243 | _initialize_java_language (void) |
c906108c | 1244 | { |
20781792 TT |
1245 | jv_dynamics_objfile_data_key |
1246 | = register_objfile_data_with_cleanup (NULL, jv_per_objfile_free); | |
86cc0029 | 1247 | jv_dynamics_progspace_key = register_program_space_data (); |
20781792 | 1248 | |
0daa2b63 | 1249 | java_type_data = gdbarch_data_register_post_init (build_java_types); |
c906108c SS |
1250 | |
1251 | add_language (&java_language_defn); | |
1252 | } |