Commit | Line | Data |
---|---|---|
424163ea DJ |
1 | /* Target description support for GDB. |
2 | ||
0b302171 | 3 | Copyright (C) 2006-2012 Free Software Foundation, Inc. |
424163ea DJ |
4 | |
5 | Contributed by CodeSourcery. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
424163ea DJ |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
424163ea DJ |
21 | |
22 | #include "defs.h" | |
23 | #include "arch-utils.h" | |
23181151 | 24 | #include "gdbcmd.h" |
123dc839 DJ |
25 | #include "gdbtypes.h" |
26 | #include "reggroups.h" | |
424163ea DJ |
27 | #include "target.h" |
28 | #include "target-descriptions.h" | |
29709017 | 29 | #include "vec.h" |
123dc839 | 30 | #include "xml-support.h" |
23181151 | 31 | #include "xml-tdesc.h" |
c3f08eb7 | 32 | #include "osabi.h" |
424163ea DJ |
33 | |
34 | #include "gdb_assert.h" | |
123dc839 DJ |
35 | #include "gdb_obstack.h" |
36 | #include "hashtab.h" | |
424163ea DJ |
37 | |
38 | /* Types. */ | |
39 | ||
29709017 DJ |
40 | typedef struct property |
41 | { | |
23181151 DJ |
42 | char *key; |
43 | char *value; | |
29709017 DJ |
44 | } property_s; |
45 | DEF_VEC_O(property_s); | |
46 | ||
123dc839 DJ |
47 | /* An individual register from a target description. */ |
48 | ||
49 | typedef struct tdesc_reg | |
50 | { | |
51 | /* The name of this register. In standard features, it may be | |
52 | recognized by the architecture support code, or it may be purely | |
53 | for the user. */ | |
54 | char *name; | |
55 | ||
56 | /* The register number used by this target to refer to this | |
57 | register. This is used for remote p/P packets and to determine | |
58 | the ordering of registers in the remote g/G packets. */ | |
59 | long target_regnum; | |
60 | ||
61 | /* If this flag is set, GDB should save and restore this register | |
62 | around calls to an inferior function. */ | |
63 | int save_restore; | |
64 | ||
65 | /* The name of the register group containing this register, or NULL | |
66 | if the group should be automatically determined from the | |
67 | register's type. If this is "general", "float", or "vector", the | |
68 | corresponding "info" command should display this register's | |
69 | value. It can be an arbitrary string, but should be limited to | |
70 | alphanumeric characters and internal hyphens. Currently other | |
71 | strings are ignored (treated as NULL). */ | |
72 | char *group; | |
73 | ||
74 | /* The size of the register, in bits. */ | |
75 | int bitsize; | |
76 | ||
77 | /* The type of the register. This string corresponds to either | |
78 | a named type from the target description or a predefined | |
79 | type from GDB. */ | |
80 | char *type; | |
81 | ||
82 | /* The target-described type corresponding to TYPE, if found. */ | |
ad068eab | 83 | struct tdesc_type *tdesc_type; |
123dc839 DJ |
84 | } *tdesc_reg_p; |
85 | DEF_VEC_P(tdesc_reg_p); | |
86 | ||
87 | /* A named type from a target description. */ | |
ad068eab UW |
88 | |
89 | typedef struct tdesc_type_field | |
90 | { | |
91 | char *name; | |
92 | struct tdesc_type *type; | |
f5dff777 | 93 | int start, end; |
ad068eab UW |
94 | } tdesc_type_field; |
95 | DEF_VEC_O(tdesc_type_field); | |
96 | ||
f5dff777 DJ |
97 | typedef struct tdesc_type_flag |
98 | { | |
99 | char *name; | |
100 | int start; | |
101 | } tdesc_type_flag; | |
102 | DEF_VEC_O(tdesc_type_flag); | |
103 | ||
ad068eab UW |
104 | typedef struct tdesc_type |
105 | { | |
106 | /* The name of this type. */ | |
107 | char *name; | |
108 | ||
109 | /* Identify the kind of this type. */ | |
110 | enum | |
111 | { | |
112 | /* Predefined types. */ | |
113 | TDESC_TYPE_INT8, | |
114 | TDESC_TYPE_INT16, | |
115 | TDESC_TYPE_INT32, | |
116 | TDESC_TYPE_INT64, | |
117 | TDESC_TYPE_INT128, | |
118 | TDESC_TYPE_UINT8, | |
119 | TDESC_TYPE_UINT16, | |
120 | TDESC_TYPE_UINT32, | |
121 | TDESC_TYPE_UINT64, | |
122 | TDESC_TYPE_UINT128, | |
123 | TDESC_TYPE_CODE_PTR, | |
124 | TDESC_TYPE_DATA_PTR, | |
125 | TDESC_TYPE_IEEE_SINGLE, | |
126 | TDESC_TYPE_IEEE_DOUBLE, | |
127 | TDESC_TYPE_ARM_FPA_EXT, | |
9fd3625f | 128 | TDESC_TYPE_I387_EXT, |
ad068eab UW |
129 | |
130 | /* Types defined by a target feature. */ | |
131 | TDESC_TYPE_VECTOR, | |
f5dff777 DJ |
132 | TDESC_TYPE_STRUCT, |
133 | TDESC_TYPE_UNION, | |
134 | TDESC_TYPE_FLAGS | |
ad068eab UW |
135 | } kind; |
136 | ||
137 | /* Kind-specific data. */ | |
138 | union | |
139 | { | |
140 | /* Vector type. */ | |
141 | struct | |
142 | { | |
143 | struct tdesc_type *type; | |
144 | int count; | |
145 | } v; | |
146 | ||
f5dff777 | 147 | /* Struct or union type. */ |
ad068eab UW |
148 | struct |
149 | { | |
150 | VEC(tdesc_type_field) *fields; | |
f5dff777 | 151 | LONGEST size; |
ad068eab | 152 | } u; |
f5dff777 DJ |
153 | |
154 | /* Flags type. */ | |
155 | struct | |
156 | { | |
157 | VEC(tdesc_type_flag) *flags; | |
158 | LONGEST size; | |
159 | } f; | |
ad068eab UW |
160 | } u; |
161 | } *tdesc_type_p; | |
162 | DEF_VEC_P(tdesc_type_p); | |
123dc839 DJ |
163 | |
164 | /* A feature from a target description. Each feature is a collection | |
165 | of other elements, e.g. registers and types. */ | |
166 | ||
167 | typedef struct tdesc_feature | |
168 | { | |
169 | /* The name of this feature. It may be recognized by the architecture | |
170 | support code. */ | |
171 | char *name; | |
172 | ||
173 | /* The registers associated with this feature. */ | |
174 | VEC(tdesc_reg_p) *registers; | |
175 | ||
176 | /* The types associated with this feature. */ | |
ad068eab | 177 | VEC(tdesc_type_p) *types; |
123dc839 DJ |
178 | } *tdesc_feature_p; |
179 | DEF_VEC_P(tdesc_feature_p); | |
180 | ||
e35359c5 UW |
181 | /* A compatible architecture from a target description. */ |
182 | typedef const struct bfd_arch_info *arch_p; | |
183 | DEF_VEC_P(arch_p); | |
184 | ||
123dc839 DJ |
185 | /* A target description. */ |
186 | ||
424163ea DJ |
187 | struct target_desc |
188 | { | |
23181151 DJ |
189 | /* The architecture reported by the target, if any. */ |
190 | const struct bfd_arch_info *arch; | |
191 | ||
08d16641 PA |
192 | /* The osabi reported by the target, if any; GDB_OSABI_UNKNOWN |
193 | otherwise. */ | |
194 | enum gdb_osabi osabi; | |
195 | ||
e35359c5 UW |
196 | /* The list of compatible architectures reported by the target. */ |
197 | VEC(arch_p) *compatible; | |
198 | ||
29709017 DJ |
199 | /* Any architecture-specific properties specified by the target. */ |
200 | VEC(property_s) *properties; | |
123dc839 DJ |
201 | |
202 | /* The features associated with this target. */ | |
203 | VEC(tdesc_feature_p) *features; | |
204 | }; | |
205 | ||
206 | /* Per-architecture data associated with a target description. The | |
207 | target description may be shared by multiple architectures, but | |
208 | this data is private to one gdbarch. */ | |
209 | ||
ad068eab UW |
210 | typedef struct tdesc_arch_reg |
211 | { | |
212 | struct tdesc_reg *reg; | |
213 | struct type *type; | |
214 | } tdesc_arch_reg; | |
215 | DEF_VEC_O(tdesc_arch_reg); | |
216 | ||
123dc839 DJ |
217 | struct tdesc_arch_data |
218 | { | |
ad068eab | 219 | /* A list of register/type pairs, indexed by GDB's internal register number. |
123dc839 DJ |
220 | During initialization of the gdbarch this list is used to store |
221 | registers which the architecture assigns a fixed register number. | |
222 | Registers which are NULL in this array, or off the end, are | |
223 | treated as zero-sized and nameless (i.e. placeholders in the | |
224 | numbering). */ | |
ad068eab | 225 | VEC(tdesc_arch_reg) *arch_regs; |
123dc839 DJ |
226 | |
227 | /* Functions which report the register name, type, and reggroups for | |
228 | pseudo-registers. */ | |
229 | gdbarch_register_name_ftype *pseudo_register_name; | |
230 | gdbarch_register_type_ftype *pseudo_register_type; | |
231 | gdbarch_register_reggroup_p_ftype *pseudo_register_reggroup_p; | |
424163ea DJ |
232 | }; |
233 | ||
234 | /* Global state. These variables are associated with the current | |
235 | target; if GDB adds support for multiple simultaneous targets, then | |
236 | these variables should become target-specific data. */ | |
237 | ||
238 | /* A flag indicating that a description has already been fetched from | |
239 | the current target, so it should not be queried again. */ | |
240 | ||
241 | static int target_desc_fetched; | |
242 | ||
243 | /* The description fetched from the current target, or NULL if the | |
244 | current target did not supply any description. Only valid when | |
245 | target_desc_fetched is set. Only the description initialization | |
246 | code should access this; normally, the description should be | |
247 | accessed through the gdbarch object. */ | |
248 | ||
249 | static const struct target_desc *current_target_desc; | |
250 | ||
23181151 DJ |
251 | /* Other global variables. */ |
252 | ||
253 | /* The filename to read a target description from. */ | |
254 | ||
255 | static char *target_description_filename; | |
256 | ||
123dc839 DJ |
257 | /* A handle for architecture-specific data associated with the |
258 | target description (see struct tdesc_arch_data). */ | |
259 | ||
260 | static struct gdbarch_data *tdesc_data; | |
261 | ||
424163ea DJ |
262 | /* Fetch the current target's description, and switch the current |
263 | architecture to one which incorporates that description. */ | |
264 | ||
265 | void | |
266 | target_find_description (void) | |
267 | { | |
268 | /* If we've already fetched a description from the target, don't do | |
269 | it again. This allows a target to fetch the description early, | |
270 | during its to_open or to_create_inferior, if it needs extra | |
271 | information about the target to initialize. */ | |
272 | if (target_desc_fetched) | |
273 | return; | |
274 | ||
275 | /* The current architecture should not have any target description | |
276 | specified. It should have been cleared, e.g. when we | |
277 | disconnected from the previous target. */ | |
1cf3db46 | 278 | gdb_assert (gdbarch_target_desc (target_gdbarch) == NULL); |
424163ea | 279 | |
23181151 DJ |
280 | /* First try to fetch an XML description from the user-specified |
281 | file. */ | |
282 | current_target_desc = NULL; | |
283 | if (target_description_filename != NULL | |
284 | && *target_description_filename != '\0') | |
285 | current_target_desc | |
286 | = file_read_description_xml (target_description_filename); | |
287 | ||
288 | /* Next try to read the description from the current target using | |
289 | target objects. */ | |
290 | if (current_target_desc == NULL) | |
291 | current_target_desc = target_read_description_xml (¤t_target); | |
292 | ||
293 | /* If that failed try a target-specific hook. */ | |
294 | if (current_target_desc == NULL) | |
295 | current_target_desc = target_read_description (¤t_target); | |
424163ea DJ |
296 | |
297 | /* If a non-NULL description was returned, then update the current | |
298 | architecture. */ | |
299 | if (current_target_desc) | |
300 | { | |
301 | struct gdbarch_info info; | |
302 | ||
303 | gdbarch_info_init (&info); | |
304 | info.target_desc = current_target_desc; | |
305 | if (!gdbarch_update_p (info)) | |
123dc839 DJ |
306 | warning (_("Architecture rejected target-supplied description")); |
307 | else | |
308 | { | |
309 | struct tdesc_arch_data *data; | |
310 | ||
1cf3db46 | 311 | data = gdbarch_data (target_gdbarch, tdesc_data); |
123dc839 | 312 | if (tdesc_has_registers (current_target_desc) |
ad068eab | 313 | && data->arch_regs == NULL) |
123dc839 DJ |
314 | warning (_("Target-supplied registers are not supported " |
315 | "by the current architecture")); | |
316 | } | |
424163ea DJ |
317 | } |
318 | ||
319 | /* Now that we know this description is usable, record that we | |
320 | fetched it. */ | |
321 | target_desc_fetched = 1; | |
322 | } | |
323 | ||
324 | /* Discard any description fetched from the current target, and switch | |
325 | the current architecture to one with no target description. */ | |
326 | ||
327 | void | |
328 | target_clear_description (void) | |
329 | { | |
330 | struct gdbarch_info info; | |
331 | ||
332 | if (!target_desc_fetched) | |
333 | return; | |
334 | ||
335 | target_desc_fetched = 0; | |
336 | current_target_desc = NULL; | |
337 | ||
338 | gdbarch_info_init (&info); | |
339 | if (!gdbarch_update_p (info)) | |
340 | internal_error (__FILE__, __LINE__, | |
341 | _("Could not remove target-supplied description")); | |
342 | } | |
343 | ||
344 | /* Return the global current target description. This should only be | |
345 | used by gdbarch initialization code; most access should be through | |
346 | an existing gdbarch. */ | |
347 | ||
348 | const struct target_desc * | |
349 | target_current_description (void) | |
350 | { | |
351 | if (target_desc_fetched) | |
352 | return current_target_desc; | |
353 | ||
354 | return NULL; | |
355 | } | |
e35359c5 UW |
356 | |
357 | /* Return non-zero if this target description is compatible | |
358 | with the given BFD architecture. */ | |
359 | ||
360 | int | |
361 | tdesc_compatible_p (const struct target_desc *target_desc, | |
362 | const struct bfd_arch_info *arch) | |
363 | { | |
364 | const struct bfd_arch_info *compat; | |
365 | int ix; | |
366 | ||
367 | for (ix = 0; VEC_iterate (arch_p, target_desc->compatible, ix, compat); | |
368 | ix++) | |
369 | { | |
370 | if (compat == arch | |
371 | || arch->compatible (arch, compat) | |
372 | || compat->compatible (compat, arch)) | |
373 | return 1; | |
374 | } | |
375 | ||
376 | return 0; | |
377 | } | |
23181151 DJ |
378 | \f |
379 | ||
123dc839 | 380 | /* Direct accessors for target descriptions. */ |
424163ea | 381 | |
29709017 DJ |
382 | /* Return the string value of a property named KEY, or NULL if the |
383 | property was not specified. */ | |
384 | ||
385 | const char * | |
386 | tdesc_property (const struct target_desc *target_desc, const char *key) | |
387 | { | |
388 | struct property *prop; | |
389 | int ix; | |
390 | ||
391 | for (ix = 0; VEC_iterate (property_s, target_desc->properties, ix, prop); | |
392 | ix++) | |
393 | if (strcmp (prop->key, key) == 0) | |
394 | return prop->value; | |
395 | ||
396 | return NULL; | |
397 | } | |
398 | ||
23181151 DJ |
399 | /* Return the BFD architecture associated with this target |
400 | description, or NULL if no architecture was specified. */ | |
401 | ||
402 | const struct bfd_arch_info * | |
403 | tdesc_architecture (const struct target_desc *target_desc) | |
404 | { | |
405 | return target_desc->arch; | |
406 | } | |
08d16641 PA |
407 | |
408 | /* Return the OSABI associated with this target description, or | |
409 | GDB_OSABI_UNKNOWN if no osabi was specified. */ | |
410 | ||
411 | enum gdb_osabi | |
412 | tdesc_osabi (const struct target_desc *target_desc) | |
413 | { | |
414 | return target_desc->osabi; | |
415 | } | |
416 | ||
23181151 DJ |
417 | \f |
418 | ||
123dc839 DJ |
419 | /* Return 1 if this target description includes any registers. */ |
420 | ||
421 | int | |
422 | tdesc_has_registers (const struct target_desc *target_desc) | |
423 | { | |
424 | int ix; | |
425 | struct tdesc_feature *feature; | |
426 | ||
427 | if (target_desc == NULL) | |
428 | return 0; | |
429 | ||
430 | for (ix = 0; | |
431 | VEC_iterate (tdesc_feature_p, target_desc->features, ix, feature); | |
432 | ix++) | |
433 | if (! VEC_empty (tdesc_reg_p, feature->registers)) | |
434 | return 1; | |
435 | ||
436 | return 0; | |
437 | } | |
438 | ||
439 | /* Return the feature with the given name, if present, or NULL if | |
440 | the named feature is not found. */ | |
441 | ||
442 | const struct tdesc_feature * | |
443 | tdesc_find_feature (const struct target_desc *target_desc, | |
444 | const char *name) | |
445 | { | |
446 | int ix; | |
447 | struct tdesc_feature *feature; | |
448 | ||
449 | for (ix = 0; | |
450 | VEC_iterate (tdesc_feature_p, target_desc->features, ix, feature); | |
451 | ix++) | |
452 | if (strcmp (feature->name, name) == 0) | |
453 | return feature; | |
454 | ||
455 | return NULL; | |
456 | } | |
457 | ||
458 | /* Return the name of FEATURE. */ | |
459 | ||
460 | const char * | |
461 | tdesc_feature_name (const struct tdesc_feature *feature) | |
462 | { | |
463 | return feature->name; | |
464 | } | |
465 | ||
ad068eab UW |
466 | /* Predefined types. */ |
467 | static struct tdesc_type tdesc_predefined_types[] = | |
81adfced | 468 | { |
ad068eab UW |
469 | { "int8", TDESC_TYPE_INT8 }, |
470 | { "int16", TDESC_TYPE_INT16 }, | |
471 | { "int32", TDESC_TYPE_INT32 }, | |
472 | { "int64", TDESC_TYPE_INT64 }, | |
473 | { "int128", TDESC_TYPE_INT128 }, | |
474 | { "uint8", TDESC_TYPE_UINT8 }, | |
475 | { "uint16", TDESC_TYPE_UINT16 }, | |
476 | { "uint32", TDESC_TYPE_UINT32 }, | |
477 | { "uint64", TDESC_TYPE_UINT64 }, | |
478 | { "uint128", TDESC_TYPE_UINT128 }, | |
479 | { "code_ptr", TDESC_TYPE_CODE_PTR }, | |
480 | { "data_ptr", TDESC_TYPE_DATA_PTR }, | |
481 | { "ieee_single", TDESC_TYPE_IEEE_SINGLE }, | |
482 | { "ieee_double", TDESC_TYPE_IEEE_DOUBLE }, | |
9fd3625f | 483 | { "arm_fpa_ext", TDESC_TYPE_ARM_FPA_EXT }, |
a6f5ef51 | 484 | { "i387_ext", TDESC_TYPE_I387_EXT } |
ad068eab | 485 | }; |
81adfced | 486 | |
123dc839 DJ |
487 | /* Return the type associated with ID in the context of FEATURE, or |
488 | NULL if none. */ | |
489 | ||
ad068eab | 490 | struct tdesc_type * |
123dc839 DJ |
491 | tdesc_named_type (const struct tdesc_feature *feature, const char *id) |
492 | { | |
493 | int ix; | |
ad068eab | 494 | struct tdesc_type *type; |
123dc839 DJ |
495 | |
496 | /* First try target-defined types. */ | |
ad068eab UW |
497 | for (ix = 0; VEC_iterate (tdesc_type_p, feature->types, ix, type); ix++) |
498 | if (strcmp (type->name, id) == 0) | |
499 | return type; | |
123dc839 | 500 | |
81adfced DJ |
501 | /* Next try the predefined types. */ |
502 | for (ix = 0; ix < ARRAY_SIZE (tdesc_predefined_types); ix++) | |
503 | if (strcmp (tdesc_predefined_types[ix].name, id) == 0) | |
ad068eab | 504 | return &tdesc_predefined_types[ix]; |
123dc839 DJ |
505 | |
506 | return NULL; | |
507 | } | |
ad068eab | 508 | |
9fd3625f L |
509 | /* Lookup type associated with ID. */ |
510 | ||
511 | struct type * | |
512 | tdesc_find_type (struct gdbarch *gdbarch, const char *id) | |
513 | { | |
514 | struct tdesc_arch_reg *reg; | |
515 | struct tdesc_arch_data *data; | |
516 | int i, num_regs; | |
517 | ||
518 | data = gdbarch_data (gdbarch, tdesc_data); | |
519 | num_regs = VEC_length (tdesc_arch_reg, data->arch_regs); | |
520 | for (i = 0; i < num_regs; i++) | |
521 | { | |
522 | reg = VEC_index (tdesc_arch_reg, data->arch_regs, i); | |
523 | if (reg->reg | |
524 | && reg->reg->tdesc_type | |
525 | && reg->type | |
526 | && strcmp (id, reg->reg->tdesc_type->name) == 0) | |
527 | return reg->type; | |
528 | } | |
529 | ||
530 | return NULL; | |
531 | } | |
532 | ||
ad068eab UW |
533 | /* Construct, if necessary, and return the GDB type implementing target |
534 | type TDESC_TYPE for architecture GDBARCH. */ | |
535 | ||
536 | static struct type * | |
537 | tdesc_gdb_type (struct gdbarch *gdbarch, struct tdesc_type *tdesc_type) | |
538 | { | |
9fd3625f L |
539 | struct type *type; |
540 | ||
ad068eab UW |
541 | switch (tdesc_type->kind) |
542 | { | |
543 | /* Predefined types. */ | |
544 | case TDESC_TYPE_INT8: | |
df4df182 | 545 | return builtin_type (gdbarch)->builtin_int8; |
ad068eab UW |
546 | |
547 | case TDESC_TYPE_INT16: | |
df4df182 | 548 | return builtin_type (gdbarch)->builtin_int16; |
ad068eab UW |
549 | |
550 | case TDESC_TYPE_INT32: | |
df4df182 | 551 | return builtin_type (gdbarch)->builtin_int32; |
ad068eab UW |
552 | |
553 | case TDESC_TYPE_INT64: | |
df4df182 | 554 | return builtin_type (gdbarch)->builtin_int64; |
ad068eab UW |
555 | |
556 | case TDESC_TYPE_INT128: | |
df4df182 | 557 | return builtin_type (gdbarch)->builtin_int128; |
ad068eab UW |
558 | |
559 | case TDESC_TYPE_UINT8: | |
df4df182 | 560 | return builtin_type (gdbarch)->builtin_uint8; |
ad068eab UW |
561 | |
562 | case TDESC_TYPE_UINT16: | |
df4df182 | 563 | return builtin_type (gdbarch)->builtin_uint16; |
ad068eab UW |
564 | |
565 | case TDESC_TYPE_UINT32: | |
df4df182 | 566 | return builtin_type (gdbarch)->builtin_uint32; |
ad068eab UW |
567 | |
568 | case TDESC_TYPE_UINT64: | |
df4df182 | 569 | return builtin_type (gdbarch)->builtin_uint64; |
ad068eab UW |
570 | |
571 | case TDESC_TYPE_UINT128: | |
df4df182 | 572 | return builtin_type (gdbarch)->builtin_uint128; |
ad068eab UW |
573 | |
574 | case TDESC_TYPE_CODE_PTR: | |
575 | return builtin_type (gdbarch)->builtin_func_ptr; | |
576 | ||
577 | case TDESC_TYPE_DATA_PTR: | |
578 | return builtin_type (gdbarch)->builtin_data_ptr; | |
579 | ||
9fd3625f L |
580 | default: |
581 | break; | |
582 | } | |
583 | ||
584 | type = tdesc_find_type (gdbarch, tdesc_type->name); | |
585 | if (type) | |
586 | return type; | |
587 | ||
588 | switch (tdesc_type->kind) | |
589 | { | |
ad068eab | 590 | case TDESC_TYPE_IEEE_SINGLE: |
e9bb382b | 591 | return arch_float_type (gdbarch, -1, "builtin_type_ieee_single", |
27067745 | 592 | floatformats_ieee_single); |
ad068eab UW |
593 | |
594 | case TDESC_TYPE_IEEE_DOUBLE: | |
e9bb382b | 595 | return arch_float_type (gdbarch, -1, "builtin_type_ieee_double", |
27067745 | 596 | floatformats_ieee_double); |
ad068eab UW |
597 | |
598 | case TDESC_TYPE_ARM_FPA_EXT: | |
e9bb382b | 599 | return arch_float_type (gdbarch, -1, "builtin_type_arm_ext", |
27067745 | 600 | floatformats_arm_ext); |
ad068eab | 601 | |
9fd3625f L |
602 | case TDESC_TYPE_I387_EXT: |
603 | return arch_float_type (gdbarch, -1, "builtin_type_i387_ext", | |
604 | floatformats_i387_ext); | |
605 | ||
ad068eab UW |
606 | /* Types defined by a target feature. */ |
607 | case TDESC_TYPE_VECTOR: | |
608 | { | |
609 | struct type *type, *field_type; | |
610 | ||
611 | field_type = tdesc_gdb_type (gdbarch, tdesc_type->u.v.type); | |
612 | type = init_vector_type (field_type, tdesc_type->u.v.count); | |
613 | TYPE_NAME (type) = xstrdup (tdesc_type->name); | |
614 | ||
615 | return type; | |
616 | } | |
617 | ||
f5dff777 DJ |
618 | case TDESC_TYPE_STRUCT: |
619 | { | |
620 | struct type *type, *field_type; | |
621 | struct tdesc_type_field *f; | |
622 | int ix; | |
623 | ||
624 | type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT); | |
625 | TYPE_NAME (type) = xstrdup (tdesc_type->name); | |
626 | TYPE_TAG_NAME (type) = TYPE_NAME (type); | |
627 | ||
628 | for (ix = 0; | |
629 | VEC_iterate (tdesc_type_field, tdesc_type->u.u.fields, ix, f); | |
630 | ix++) | |
631 | { | |
632 | if (f->type == NULL) | |
633 | { | |
634 | /* Bitfield. */ | |
635 | struct field *fld; | |
636 | struct type *field_type; | |
637 | int bitsize, total_size; | |
638 | ||
639 | /* This invariant should be preserved while creating | |
640 | types. */ | |
641 | gdb_assert (tdesc_type->u.u.size != 0); | |
642 | if (tdesc_type->u.u.size > 4) | |
643 | field_type = builtin_type (gdbarch)->builtin_uint64; | |
644 | else | |
645 | field_type = builtin_type (gdbarch)->builtin_uint32; | |
646 | ||
647 | fld = append_composite_type_field_raw (type, xstrdup (f->name), | |
648 | field_type); | |
649 | ||
650 | /* For little-endian, BITPOS counts from the LSB of | |
651 | the structure and marks the LSB of the field. For | |
652 | big-endian, BITPOS counts from the MSB of the | |
653 | structure and marks the MSB of the field. Either | |
654 | way, it is the number of bits to the "left" of the | |
655 | field. To calculate this in big-endian, we need | |
656 | the total size of the structure. */ | |
657 | bitsize = f->end - f->start + 1; | |
658 | total_size = tdesc_type->u.u.size * TARGET_CHAR_BIT; | |
659 | if (gdbarch_bits_big_endian (gdbarch)) | |
f41f5e61 | 660 | SET_FIELD_BITPOS (fld[0], total_size - f->start - bitsize); |
f5dff777 | 661 | else |
f41f5e61 | 662 | SET_FIELD_BITPOS (fld[0], f->start); |
f5dff777 DJ |
663 | FIELD_BITSIZE (fld[0]) = bitsize; |
664 | } | |
665 | else | |
666 | { | |
667 | field_type = tdesc_gdb_type (gdbarch, f->type); | |
668 | append_composite_type_field (type, xstrdup (f->name), | |
669 | field_type); | |
670 | } | |
671 | } | |
672 | ||
673 | if (tdesc_type->u.u.size != 0) | |
674 | TYPE_LENGTH (type) = tdesc_type->u.u.size; | |
675 | return type; | |
676 | } | |
677 | ||
ad068eab UW |
678 | case TDESC_TYPE_UNION: |
679 | { | |
680 | struct type *type, *field_type; | |
681 | struct tdesc_type_field *f; | |
682 | int ix; | |
683 | ||
e9bb382b | 684 | type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION); |
ad068eab UW |
685 | TYPE_NAME (type) = xstrdup (tdesc_type->name); |
686 | ||
687 | for (ix = 0; | |
688 | VEC_iterate (tdesc_type_field, tdesc_type->u.u.fields, ix, f); | |
689 | ix++) | |
690 | { | |
691 | field_type = tdesc_gdb_type (gdbarch, f->type); | |
692 | append_composite_type_field (type, xstrdup (f->name), field_type); | |
693 | ||
f5dff777 | 694 | /* If any of the children of a union are vectors, flag the |
ad068eab UW |
695 | union as a vector also. This allows e.g. a union of two |
696 | vector types to show up automatically in "info vector". */ | |
697 | if (TYPE_VECTOR (field_type)) | |
698 | TYPE_VECTOR (type) = 1; | |
699 | } | |
f5dff777 DJ |
700 | return type; |
701 | } | |
702 | ||
703 | case TDESC_TYPE_FLAGS: | |
704 | { | |
f5dff777 DJ |
705 | struct tdesc_type_flag *f; |
706 | int ix; | |
707 | ||
3494b66d | 708 | type = arch_flags_type (gdbarch, tdesc_type->name, |
f5dff777 DJ |
709 | tdesc_type->u.f.size); |
710 | for (ix = 0; | |
711 | VEC_iterate (tdesc_type_flag, tdesc_type->u.f.flags, ix, f); | |
712 | ix++) | |
713 | /* Note that contrary to the function name, this call will | |
714 | just set the properties of an already-allocated | |
715 | field. */ | |
a6f5ef51 L |
716 | append_flags_type_flag (type, f->start, |
717 | *f->name ? f->name : NULL); | |
ad068eab UW |
718 | |
719 | return type; | |
720 | } | |
721 | } | |
722 | ||
723 | internal_error (__FILE__, __LINE__, | |
724 | "Type \"%s\" has an unknown kind %d", | |
725 | tdesc_type->name, tdesc_type->kind); | |
726 | } | |
123dc839 DJ |
727 | \f |
728 | ||
729 | /* Support for registers from target descriptions. */ | |
730 | ||
731 | /* Construct the per-gdbarch data. */ | |
732 | ||
733 | static void * | |
734 | tdesc_data_init (struct obstack *obstack) | |
735 | { | |
736 | struct tdesc_arch_data *data; | |
737 | ||
738 | data = OBSTACK_ZALLOC (obstack, struct tdesc_arch_data); | |
739 | return data; | |
740 | } | |
741 | ||
742 | /* Similar, but for the temporary copy used during architecture | |
743 | initialization. */ | |
744 | ||
745 | struct tdesc_arch_data * | |
746 | tdesc_data_alloc (void) | |
747 | { | |
748 | return XZALLOC (struct tdesc_arch_data); | |
749 | } | |
750 | ||
751 | /* Free something allocated by tdesc_data_alloc, if it is not going | |
752 | to be used (for instance if it was unsuitable for the | |
753 | architecture). */ | |
754 | ||
755 | void | |
756 | tdesc_data_cleanup (void *data_untyped) | |
757 | { | |
758 | struct tdesc_arch_data *data = data_untyped; | |
759 | ||
ad068eab | 760 | VEC_free (tdesc_arch_reg, data->arch_regs); |
123dc839 DJ |
761 | xfree (data); |
762 | } | |
763 | ||
764 | /* Search FEATURE for a register named NAME. */ | |
765 | ||
7cc46491 DJ |
766 | static struct tdesc_reg * |
767 | tdesc_find_register_early (const struct tdesc_feature *feature, | |
768 | const char *name) | |
123dc839 DJ |
769 | { |
770 | int ixr; | |
771 | struct tdesc_reg *reg; | |
772 | ||
773 | for (ixr = 0; | |
774 | VEC_iterate (tdesc_reg_p, feature->registers, ixr, reg); | |
775 | ixr++) | |
776 | if (strcasecmp (reg->name, name) == 0) | |
7cc46491 | 777 | return reg; |
123dc839 | 778 | |
7cc46491 DJ |
779 | return NULL; |
780 | } | |
781 | ||
782 | /* Search FEATURE for a register named NAME. Assign REGNO to it. */ | |
783 | ||
784 | int | |
785 | tdesc_numbered_register (const struct tdesc_feature *feature, | |
786 | struct tdesc_arch_data *data, | |
787 | int regno, const char *name) | |
788 | { | |
ad068eab | 789 | struct tdesc_arch_reg arch_reg = { 0 }; |
7cc46491 DJ |
790 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); |
791 | ||
792 | if (reg == NULL) | |
793 | return 0; | |
794 | ||
795 | /* Make sure the vector includes a REGNO'th element. */ | |
ad068eab UW |
796 | while (regno >= VEC_length (tdesc_arch_reg, data->arch_regs)) |
797 | VEC_safe_push (tdesc_arch_reg, data->arch_regs, &arch_reg); | |
798 | ||
799 | arch_reg.reg = reg; | |
800 | VEC_replace (tdesc_arch_reg, data->arch_regs, regno, &arch_reg); | |
7cc46491 | 801 | return 1; |
123dc839 DJ |
802 | } |
803 | ||
58d6951d DJ |
804 | /* Search FEATURE for a register named NAME, but do not assign a fixed |
805 | register number to it. */ | |
806 | ||
807 | int | |
808 | tdesc_unnumbered_register (const struct tdesc_feature *feature, | |
809 | const char *name) | |
810 | { | |
811 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
812 | ||
813 | if (reg == NULL) | |
814 | return 0; | |
815 | ||
816 | return 1; | |
817 | } | |
818 | ||
7cc46491 DJ |
819 | /* Search FEATURE for a register whose name is in NAMES and assign |
820 | REGNO to it. */ | |
123dc839 DJ |
821 | |
822 | int | |
823 | tdesc_numbered_register_choices (const struct tdesc_feature *feature, | |
824 | struct tdesc_arch_data *data, | |
825 | int regno, const char *const names[]) | |
826 | { | |
827 | int i; | |
828 | ||
829 | for (i = 0; names[i] != NULL; i++) | |
830 | if (tdesc_numbered_register (feature, data, regno, names[i])) | |
831 | return 1; | |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
7cc46491 DJ |
836 | /* Search FEATURE for a register named NAME, and return its size in |
837 | bits. The register must exist. */ | |
838 | ||
839 | int | |
840 | tdesc_register_size (const struct tdesc_feature *feature, | |
841 | const char *name) | |
842 | { | |
843 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
844 | ||
845 | gdb_assert (reg != NULL); | |
846 | return reg->bitsize; | |
847 | } | |
848 | ||
123dc839 DJ |
849 | /* Look up a register by its GDB internal register number. */ |
850 | ||
ad068eab UW |
851 | static struct tdesc_arch_reg * |
852 | tdesc_find_arch_register (struct gdbarch *gdbarch, int regno) | |
123dc839 | 853 | { |
123dc839 DJ |
854 | struct tdesc_arch_data *data; |
855 | ||
856 | data = gdbarch_data (gdbarch, tdesc_data); | |
ad068eab UW |
857 | if (regno < VEC_length (tdesc_arch_reg, data->arch_regs)) |
858 | return VEC_index (tdesc_arch_reg, data->arch_regs, regno); | |
123dc839 DJ |
859 | else |
860 | return NULL; | |
861 | } | |
862 | ||
ad068eab UW |
863 | static struct tdesc_reg * |
864 | tdesc_find_register (struct gdbarch *gdbarch, int regno) | |
865 | { | |
866 | struct tdesc_arch_reg *reg = tdesc_find_arch_register (gdbarch, regno); | |
5d502164 | 867 | |
ad068eab UW |
868 | return reg? reg->reg : NULL; |
869 | } | |
870 | ||
f8b73d13 DJ |
871 | /* Return the name of register REGNO, from the target description or |
872 | from an architecture-provided pseudo_register_name method. */ | |
873 | ||
874 | const char * | |
d93859e2 | 875 | tdesc_register_name (struct gdbarch *gdbarch, int regno) |
123dc839 | 876 | { |
d93859e2 UW |
877 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); |
878 | int num_regs = gdbarch_num_regs (gdbarch); | |
879 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
123dc839 DJ |
880 | |
881 | if (reg != NULL) | |
882 | return reg->name; | |
883 | ||
884 | if (regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
885 | { | |
d93859e2 | 886 | struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); |
5d502164 | 887 | |
123dc839 | 888 | gdb_assert (data->pseudo_register_name != NULL); |
d93859e2 | 889 | return data->pseudo_register_name (gdbarch, regno); |
123dc839 DJ |
890 | } |
891 | ||
892 | return ""; | |
893 | } | |
894 | ||
58d6951d | 895 | struct type * |
123dc839 DJ |
896 | tdesc_register_type (struct gdbarch *gdbarch, int regno) |
897 | { | |
ad068eab UW |
898 | struct tdesc_arch_reg *arch_reg = tdesc_find_arch_register (gdbarch, regno); |
899 | struct tdesc_reg *reg = arch_reg? arch_reg->reg : NULL; | |
123dc839 DJ |
900 | int num_regs = gdbarch_num_regs (gdbarch); |
901 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
902 | ||
903 | if (reg == NULL && regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
904 | { | |
905 | struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); | |
5d502164 | 906 | |
123dc839 DJ |
907 | gdb_assert (data->pseudo_register_type != NULL); |
908 | return data->pseudo_register_type (gdbarch, regno); | |
909 | } | |
910 | ||
911 | if (reg == NULL) | |
912 | /* Return "int0_t", since "void" has a misleading size of one. */ | |
df4df182 | 913 | return builtin_type (gdbarch)->builtin_int0; |
123dc839 | 914 | |
ad068eab | 915 | if (arch_reg->type == NULL) |
123dc839 | 916 | { |
ad068eab UW |
917 | /* First check for a predefined or target defined type. */ |
918 | if (reg->tdesc_type) | |
919 | arch_reg->type = tdesc_gdb_type (gdbarch, reg->tdesc_type); | |
920 | ||
921 | /* Next try size-sensitive type shortcuts. */ | |
922 | else if (strcmp (reg->type, "float") == 0) | |
923 | { | |
924 | if (reg->bitsize == gdbarch_float_bit (gdbarch)) | |
925 | arch_reg->type = builtin_type (gdbarch)->builtin_float; | |
926 | else if (reg->bitsize == gdbarch_double_bit (gdbarch)) | |
927 | arch_reg->type = builtin_type (gdbarch)->builtin_double; | |
928 | else if (reg->bitsize == gdbarch_long_double_bit (gdbarch)) | |
929 | arch_reg->type = builtin_type (gdbarch)->builtin_long_double; | |
930 | else | |
931 | { | |
932 | warning (_("Register \"%s\" has an unsupported size (%d bits)"), | |
933 | reg->name, reg->bitsize); | |
934 | arch_reg->type = builtin_type (gdbarch)->builtin_double; | |
935 | } | |
936 | } | |
937 | else if (strcmp (reg->type, "int") == 0) | |
938 | { | |
939 | if (reg->bitsize == gdbarch_long_bit (gdbarch)) | |
940 | arch_reg->type = builtin_type (gdbarch)->builtin_long; | |
941 | else if (reg->bitsize == TARGET_CHAR_BIT) | |
942 | arch_reg->type = builtin_type (gdbarch)->builtin_char; | |
943 | else if (reg->bitsize == gdbarch_short_bit (gdbarch)) | |
944 | arch_reg->type = builtin_type (gdbarch)->builtin_short; | |
945 | else if (reg->bitsize == gdbarch_int_bit (gdbarch)) | |
946 | arch_reg->type = builtin_type (gdbarch)->builtin_int; | |
947 | else if (reg->bitsize == gdbarch_long_long_bit (gdbarch)) | |
948 | arch_reg->type = builtin_type (gdbarch)->builtin_long_long; | |
949 | else if (reg->bitsize == gdbarch_ptr_bit (gdbarch)) | |
c378eb4e | 950 | /* A bit desperate by this point... */ |
ad068eab UW |
951 | arch_reg->type = builtin_type (gdbarch)->builtin_data_ptr; |
952 | else | |
953 | { | |
954 | warning (_("Register \"%s\" has an unsupported size (%d bits)"), | |
955 | reg->name, reg->bitsize); | |
956 | arch_reg->type = builtin_type (gdbarch)->builtin_long; | |
957 | } | |
958 | } | |
959 | ||
960 | if (arch_reg->type == NULL) | |
961 | internal_error (__FILE__, __LINE__, | |
962 | "Register \"%s\" has an unknown type \"%s\"", | |
963 | reg->name, reg->type); | |
123dc839 | 964 | } |
123dc839 | 965 | |
ad068eab | 966 | return arch_reg->type; |
123dc839 DJ |
967 | } |
968 | ||
969 | static int | |
970 | tdesc_remote_register_number (struct gdbarch *gdbarch, int regno) | |
971 | { | |
972 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); | |
973 | ||
974 | if (reg != NULL) | |
975 | return reg->target_regnum; | |
976 | else | |
977 | return -1; | |
978 | } | |
979 | ||
980 | /* Check whether REGNUM is a member of REGGROUP. Registers from the | |
981 | target description may be classified as general, float, or vector. | |
f8b73d13 DJ |
982 | Unlike a gdbarch register_reggroup_p method, this function will |
983 | return -1 if it does not know; the caller should handle registers | |
984 | with no specified group. | |
123dc839 DJ |
985 | |
986 | Arbitrary strings (other than "general", "float", and "vector") | |
987 | from the description are not used; they cause the register to be | |
988 | displayed in "info all-registers" but excluded from "info | |
989 | registers" et al. The names of containing features are also not | |
990 | used. This might be extended to display registers in some more | |
991 | useful groupings. | |
992 | ||
993 | The save-restore flag is also implemented here. */ | |
994 | ||
f8b73d13 DJ |
995 | int |
996 | tdesc_register_in_reggroup_p (struct gdbarch *gdbarch, int regno, | |
997 | struct reggroup *reggroup) | |
123dc839 | 998 | { |
123dc839 DJ |
999 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); |
1000 | ||
123dc839 DJ |
1001 | if (reg != NULL && reg->group != NULL) |
1002 | { | |
1003 | int general_p = 0, float_p = 0, vector_p = 0; | |
1004 | ||
1005 | if (strcmp (reg->group, "general") == 0) | |
1006 | general_p = 1; | |
1007 | else if (strcmp (reg->group, "float") == 0) | |
1008 | float_p = 1; | |
1009 | else if (strcmp (reg->group, "vector") == 0) | |
1010 | vector_p = 1; | |
1011 | ||
1012 | if (reggroup == float_reggroup) | |
1013 | return float_p; | |
1014 | ||
1015 | if (reggroup == vector_reggroup) | |
1016 | return vector_p; | |
1017 | ||
1018 | if (reggroup == general_reggroup) | |
1019 | return general_p; | |
1020 | } | |
1021 | ||
1022 | if (reg != NULL | |
1023 | && (reggroup == save_reggroup || reggroup == restore_reggroup)) | |
1024 | return reg->save_restore; | |
1025 | ||
f8b73d13 DJ |
1026 | return -1; |
1027 | } | |
1028 | ||
1029 | /* Check whether REGNUM is a member of REGGROUP. Registers with no | |
1030 | group specified go to the default reggroup function and are handled | |
1031 | by type. */ | |
1032 | ||
1033 | static int | |
1034 | tdesc_register_reggroup_p (struct gdbarch *gdbarch, int regno, | |
1035 | struct reggroup *reggroup) | |
1036 | { | |
1037 | int num_regs = gdbarch_num_regs (gdbarch); | |
1038 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
1039 | int ret; | |
1040 | ||
1041 | if (regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
1042 | { | |
1043 | struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); | |
5d502164 | 1044 | |
58d6951d DJ |
1045 | if (data->pseudo_register_reggroup_p != NULL) |
1046 | return data->pseudo_register_reggroup_p (gdbarch, regno, reggroup); | |
1047 | /* Otherwise fall through to the default reggroup_p. */ | |
f8b73d13 DJ |
1048 | } |
1049 | ||
1050 | ret = tdesc_register_in_reggroup_p (gdbarch, regno, reggroup); | |
1051 | if (ret != -1) | |
1052 | return ret; | |
1053 | ||
123dc839 DJ |
1054 | return default_register_reggroup_p (gdbarch, regno, reggroup); |
1055 | } | |
1056 | ||
1057 | /* Record architecture-specific functions to call for pseudo-register | |
1058 | support. */ | |
1059 | ||
1060 | void | |
1061 | set_tdesc_pseudo_register_name (struct gdbarch *gdbarch, | |
1062 | gdbarch_register_name_ftype *pseudo_name) | |
1063 | { | |
1064 | struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); | |
1065 | ||
1066 | data->pseudo_register_name = pseudo_name; | |
1067 | } | |
1068 | ||
1069 | void | |
1070 | set_tdesc_pseudo_register_type (struct gdbarch *gdbarch, | |
1071 | gdbarch_register_type_ftype *pseudo_type) | |
1072 | { | |
1073 | struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); | |
1074 | ||
1075 | data->pseudo_register_type = pseudo_type; | |
1076 | } | |
1077 | ||
1078 | void | |
1079 | set_tdesc_pseudo_register_reggroup_p | |
1080 | (struct gdbarch *gdbarch, | |
1081 | gdbarch_register_reggroup_p_ftype *pseudo_reggroup_p) | |
1082 | { | |
1083 | struct tdesc_arch_data *data = gdbarch_data (gdbarch, tdesc_data); | |
1084 | ||
1085 | data->pseudo_register_reggroup_p = pseudo_reggroup_p; | |
1086 | } | |
1087 | ||
1088 | /* Update GDBARCH to use the target description for registers. */ | |
1089 | ||
1090 | void | |
1091 | tdesc_use_registers (struct gdbarch *gdbarch, | |
7cc46491 | 1092 | const struct target_desc *target_desc, |
123dc839 DJ |
1093 | struct tdesc_arch_data *early_data) |
1094 | { | |
1095 | int num_regs = gdbarch_num_regs (gdbarch); | |
c6913b7d | 1096 | int ixf, ixr; |
123dc839 DJ |
1097 | struct tdesc_feature *feature; |
1098 | struct tdesc_reg *reg; | |
1099 | struct tdesc_arch_data *data; | |
ad068eab | 1100 | struct tdesc_arch_reg *arch_reg, new_arch_reg = { 0 }; |
123dc839 DJ |
1101 | htab_t reg_hash; |
1102 | ||
123dc839 DJ |
1103 | /* We can't use the description for registers if it doesn't describe |
1104 | any. This function should only be called after validating | |
1105 | registers, so the caller should know that registers are | |
1106 | included. */ | |
1107 | gdb_assert (tdesc_has_registers (target_desc)); | |
1108 | ||
1109 | data = gdbarch_data (gdbarch, tdesc_data); | |
ad068eab | 1110 | data->arch_regs = early_data->arch_regs; |
123dc839 DJ |
1111 | xfree (early_data); |
1112 | ||
1113 | /* Build up a set of all registers, so that we can assign register | |
1114 | numbers where needed. The hash table expands as necessary, so | |
1115 | the initial size is arbitrary. */ | |
1116 | reg_hash = htab_create (37, htab_hash_pointer, htab_eq_pointer, NULL); | |
1117 | for (ixf = 0; | |
1118 | VEC_iterate (tdesc_feature_p, target_desc->features, ixf, feature); | |
1119 | ixf++) | |
1120 | for (ixr = 0; | |
1121 | VEC_iterate (tdesc_reg_p, feature->registers, ixr, reg); | |
1122 | ixr++) | |
1123 | { | |
1124 | void **slot = htab_find_slot (reg_hash, reg, INSERT); | |
1125 | ||
1126 | *slot = reg; | |
1127 | } | |
1128 | ||
1129 | /* Remove any registers which were assigned numbers by the | |
1130 | architecture. */ | |
ad068eab UW |
1131 | for (ixr = 0; |
1132 | VEC_iterate (tdesc_arch_reg, data->arch_regs, ixr, arch_reg); | |
1133 | ixr++) | |
1134 | if (arch_reg->reg) | |
1135 | htab_remove_elt (reg_hash, arch_reg->reg); | |
123dc839 DJ |
1136 | |
1137 | /* Assign numbers to the remaining registers and add them to the | |
f57d151a | 1138 | list of registers. The new numbers are always above gdbarch_num_regs. |
123dc839 DJ |
1139 | Iterate over the features, not the hash table, so that the order |
1140 | matches that in the target description. */ | |
1141 | ||
ad068eab UW |
1142 | gdb_assert (VEC_length (tdesc_arch_reg, data->arch_regs) <= num_regs); |
1143 | while (VEC_length (tdesc_arch_reg, data->arch_regs) < num_regs) | |
1144 | VEC_safe_push (tdesc_arch_reg, data->arch_regs, &new_arch_reg); | |
123dc839 DJ |
1145 | for (ixf = 0; |
1146 | VEC_iterate (tdesc_feature_p, target_desc->features, ixf, feature); | |
1147 | ixf++) | |
1148 | for (ixr = 0; | |
1149 | VEC_iterate (tdesc_reg_p, feature->registers, ixr, reg); | |
1150 | ixr++) | |
1151 | if (htab_find (reg_hash, reg) != NULL) | |
1152 | { | |
ad068eab UW |
1153 | new_arch_reg.reg = reg; |
1154 | VEC_safe_push (tdesc_arch_reg, data->arch_regs, &new_arch_reg); | |
123dc839 DJ |
1155 | num_regs++; |
1156 | } | |
1157 | ||
1158 | htab_delete (reg_hash); | |
1159 | ||
1160 | /* Update the architecture. */ | |
1161 | set_gdbarch_num_regs (gdbarch, num_regs); | |
1162 | set_gdbarch_register_name (gdbarch, tdesc_register_name); | |
1163 | set_gdbarch_register_type (gdbarch, tdesc_register_type); | |
1164 | set_gdbarch_remote_register_number (gdbarch, | |
1165 | tdesc_remote_register_number); | |
1166 | set_gdbarch_register_reggroup_p (gdbarch, tdesc_register_reggroup_p); | |
1167 | } | |
1168 | \f | |
1169 | ||
424163ea DJ |
1170 | /* Methods for constructing a target description. */ |
1171 | ||
123dc839 DJ |
1172 | static void |
1173 | tdesc_free_reg (struct tdesc_reg *reg) | |
1174 | { | |
1175 | xfree (reg->name); | |
1176 | xfree (reg->type); | |
1177 | xfree (reg->group); | |
1178 | xfree (reg); | |
1179 | } | |
1180 | ||
1181 | void | |
1182 | tdesc_create_reg (struct tdesc_feature *feature, const char *name, | |
1183 | int regnum, int save_restore, const char *group, | |
1184 | int bitsize, const char *type) | |
1185 | { | |
1186 | struct tdesc_reg *reg = XZALLOC (struct tdesc_reg); | |
1187 | ||
1188 | reg->name = xstrdup (name); | |
1189 | reg->target_regnum = regnum; | |
1190 | reg->save_restore = save_restore; | |
1191 | reg->group = group ? xstrdup (group) : NULL; | |
1192 | reg->bitsize = bitsize; | |
c8c12293 | 1193 | reg->type = type ? xstrdup (type) : xstrdup ("<unknown>"); |
123dc839 DJ |
1194 | |
1195 | /* If the register's type is target-defined, look it up now. We may not | |
1196 | have easy access to the containing feature when we want it later. */ | |
ad068eab | 1197 | reg->tdesc_type = tdesc_named_type (feature, reg->type); |
123dc839 DJ |
1198 | |
1199 | VEC_safe_push (tdesc_reg_p, feature->registers, reg); | |
1200 | } | |
1201 | ||
ad068eab UW |
1202 | static void |
1203 | tdesc_free_type (struct tdesc_type *type) | |
1204 | { | |
ad068eab UW |
1205 | switch (type->kind) |
1206 | { | |
f5dff777 | 1207 | case TDESC_TYPE_STRUCT: |
ad068eab UW |
1208 | case TDESC_TYPE_UNION: |
1209 | { | |
1210 | struct tdesc_type_field *f; | |
1211 | int ix; | |
1212 | ||
1213 | for (ix = 0; | |
1214 | VEC_iterate (tdesc_type_field, type->u.u.fields, ix, f); | |
1215 | ix++) | |
1216 | xfree (f->name); | |
1217 | ||
1218 | VEC_free (tdesc_type_field, type->u.u.fields); | |
1219 | } | |
1220 | break; | |
1221 | ||
f5dff777 DJ |
1222 | case TDESC_TYPE_FLAGS: |
1223 | { | |
1224 | struct tdesc_type_flag *f; | |
1225 | int ix; | |
1226 | ||
1227 | for (ix = 0; | |
1228 | VEC_iterate (tdesc_type_flag, type->u.f.flags, ix, f); | |
1229 | ix++) | |
1230 | xfree (f->name); | |
1231 | ||
1232 | VEC_free (tdesc_type_flag, type->u.f.flags); | |
1233 | } | |
1234 | break; | |
1235 | ||
ad068eab UW |
1236 | default: |
1237 | break; | |
1238 | } | |
1239 | ||
1240 | xfree (type->name); | |
1241 | xfree (type); | |
1242 | } | |
1243 | ||
1244 | struct tdesc_type * | |
1245 | tdesc_create_vector (struct tdesc_feature *feature, const char *name, | |
1246 | struct tdesc_type *field_type, int count) | |
1247 | { | |
1248 | struct tdesc_type *type = XZALLOC (struct tdesc_type); | |
1249 | ||
1250 | type->name = xstrdup (name); | |
1251 | type->kind = TDESC_TYPE_VECTOR; | |
1252 | type->u.v.type = field_type; | |
1253 | type->u.v.count = count; | |
1254 | ||
1255 | VEC_safe_push (tdesc_type_p, feature->types, type); | |
1256 | return type; | |
1257 | } | |
1258 | ||
f5dff777 DJ |
1259 | struct tdesc_type * |
1260 | tdesc_create_struct (struct tdesc_feature *feature, const char *name) | |
1261 | { | |
1262 | struct tdesc_type *type = XZALLOC (struct tdesc_type); | |
1263 | ||
1264 | type->name = xstrdup (name); | |
1265 | type->kind = TDESC_TYPE_STRUCT; | |
1266 | ||
1267 | VEC_safe_push (tdesc_type_p, feature->types, type); | |
1268 | return type; | |
1269 | } | |
1270 | ||
1271 | /* Set the total length of TYPE. Structs which contain bitfields may | |
1272 | omit the reserved bits, so the end of the last field may not | |
1273 | suffice. */ | |
1274 | ||
1275 | void | |
1276 | tdesc_set_struct_size (struct tdesc_type *type, LONGEST size) | |
1277 | { | |
1278 | gdb_assert (type->kind == TDESC_TYPE_STRUCT); | |
1279 | type->u.u.size = size; | |
1280 | } | |
1281 | ||
ad068eab UW |
1282 | struct tdesc_type * |
1283 | tdesc_create_union (struct tdesc_feature *feature, const char *name) | |
1284 | { | |
1285 | struct tdesc_type *type = XZALLOC (struct tdesc_type); | |
1286 | ||
1287 | type->name = xstrdup (name); | |
1288 | type->kind = TDESC_TYPE_UNION; | |
1289 | ||
1290 | VEC_safe_push (tdesc_type_p, feature->types, type); | |
1291 | return type; | |
1292 | } | |
1293 | ||
f5dff777 DJ |
1294 | struct tdesc_type * |
1295 | tdesc_create_flags (struct tdesc_feature *feature, const char *name, | |
1296 | LONGEST size) | |
1297 | { | |
1298 | struct tdesc_type *type = XZALLOC (struct tdesc_type); | |
1299 | ||
1300 | type->name = xstrdup (name); | |
1301 | type->kind = TDESC_TYPE_FLAGS; | |
1302 | type->u.f.size = size; | |
1303 | ||
1304 | VEC_safe_push (tdesc_type_p, feature->types, type); | |
1305 | return type; | |
1306 | } | |
1307 | ||
1308 | /* Add a new field. Return a temporary pointer to the field, which | |
1309 | is only valid until the next call to tdesc_add_field (the vector | |
1310 | might be reallocated). */ | |
1311 | ||
ad068eab UW |
1312 | void |
1313 | tdesc_add_field (struct tdesc_type *type, const char *field_name, | |
1314 | struct tdesc_type *field_type) | |
1315 | { | |
1316 | struct tdesc_type_field f = { 0 }; | |
1317 | ||
f5dff777 DJ |
1318 | gdb_assert (type->kind == TDESC_TYPE_UNION |
1319 | || type->kind == TDESC_TYPE_STRUCT); | |
ad068eab UW |
1320 | |
1321 | f.name = xstrdup (field_name); | |
1322 | f.type = field_type; | |
1323 | ||
1324 | VEC_safe_push (tdesc_type_field, type->u.u.fields, &f); | |
1325 | } | |
1326 | ||
f5dff777 DJ |
1327 | /* Add a new bitfield. */ |
1328 | ||
1329 | void | |
1330 | tdesc_add_bitfield (struct tdesc_type *type, const char *field_name, | |
1331 | int start, int end) | |
1332 | { | |
1333 | struct tdesc_type_field f = { 0 }; | |
1334 | ||
1335 | gdb_assert (type->kind == TDESC_TYPE_STRUCT); | |
1336 | ||
1337 | f.name = xstrdup (field_name); | |
1338 | f.start = start; | |
1339 | f.end = end; | |
1340 | ||
1341 | VEC_safe_push (tdesc_type_field, type->u.u.fields, &f); | |
1342 | } | |
1343 | ||
1344 | void | |
1345 | tdesc_add_flag (struct tdesc_type *type, int start, | |
1346 | const char *flag_name) | |
1347 | { | |
1348 | struct tdesc_type_flag f = { 0 }; | |
1349 | ||
1350 | gdb_assert (type->kind == TDESC_TYPE_FLAGS); | |
1351 | ||
1352 | f.name = xstrdup (flag_name); | |
1353 | f.start = start; | |
1354 | ||
1355 | VEC_safe_push (tdesc_type_flag, type->u.f.flags, &f); | |
1356 | } | |
1357 | ||
123dc839 DJ |
1358 | static void |
1359 | tdesc_free_feature (struct tdesc_feature *feature) | |
1360 | { | |
1361 | struct tdesc_reg *reg; | |
ad068eab | 1362 | struct tdesc_type *type; |
123dc839 DJ |
1363 | int ix; |
1364 | ||
1365 | for (ix = 0; VEC_iterate (tdesc_reg_p, feature->registers, ix, reg); ix++) | |
1366 | tdesc_free_reg (reg); | |
1367 | VEC_free (tdesc_reg_p, feature->registers); | |
1368 | ||
ad068eab UW |
1369 | for (ix = 0; VEC_iterate (tdesc_type_p, feature->types, ix, type); ix++) |
1370 | tdesc_free_type (type); | |
1371 | VEC_free (tdesc_type_p, feature->types); | |
123dc839 DJ |
1372 | |
1373 | xfree (feature->name); | |
1374 | xfree (feature); | |
1375 | } | |
1376 | ||
1377 | struct tdesc_feature * | |
1378 | tdesc_create_feature (struct target_desc *tdesc, const char *name) | |
1379 | { | |
1380 | struct tdesc_feature *new_feature = XZALLOC (struct tdesc_feature); | |
1381 | ||
1382 | new_feature->name = xstrdup (name); | |
1383 | ||
1384 | VEC_safe_push (tdesc_feature_p, tdesc->features, new_feature); | |
1385 | return new_feature; | |
1386 | } | |
1387 | ||
424163ea DJ |
1388 | struct target_desc * |
1389 | allocate_target_description (void) | |
1390 | { | |
1391 | return XZALLOC (struct target_desc); | |
1392 | } | |
29709017 | 1393 | |
23181151 DJ |
1394 | static void |
1395 | free_target_description (void *arg) | |
1396 | { | |
1397 | struct target_desc *target_desc = arg; | |
123dc839 | 1398 | struct tdesc_feature *feature; |
23181151 DJ |
1399 | struct property *prop; |
1400 | int ix; | |
1401 | ||
123dc839 DJ |
1402 | for (ix = 0; |
1403 | VEC_iterate (tdesc_feature_p, target_desc->features, ix, feature); | |
1404 | ix++) | |
1405 | tdesc_free_feature (feature); | |
1406 | VEC_free (tdesc_feature_p, target_desc->features); | |
1407 | ||
23181151 DJ |
1408 | for (ix = 0; |
1409 | VEC_iterate (property_s, target_desc->properties, ix, prop); | |
1410 | ix++) | |
1411 | { | |
1412 | xfree (prop->key); | |
1413 | xfree (prop->value); | |
1414 | } | |
1415 | VEC_free (property_s, target_desc->properties); | |
1416 | ||
e35359c5 UW |
1417 | VEC_free (arch_p, target_desc->compatible); |
1418 | ||
23181151 DJ |
1419 | xfree (target_desc); |
1420 | } | |
1421 | ||
1422 | struct cleanup * | |
1423 | make_cleanup_free_target_description (struct target_desc *target_desc) | |
1424 | { | |
1425 | return make_cleanup (free_target_description, target_desc); | |
1426 | } | |
1427 | ||
e35359c5 UW |
1428 | void |
1429 | tdesc_add_compatible (struct target_desc *target_desc, | |
1430 | const struct bfd_arch_info *compatible) | |
1431 | { | |
1432 | const struct bfd_arch_info *compat; | |
1433 | int ix; | |
1434 | ||
1435 | /* If this instance of GDB is compiled without BFD support for the | |
1436 | compatible architecture, simply ignore it -- we would not be able | |
1437 | to handle it anyway. */ | |
1438 | if (compatible == NULL) | |
1439 | return; | |
1440 | ||
1441 | for (ix = 0; VEC_iterate (arch_p, target_desc->compatible, ix, compat); | |
1442 | ix++) | |
1443 | if (compat == compatible) | |
1444 | internal_error (__FILE__, __LINE__, | |
1445 | _("Attempted to add duplicate " | |
1446 | "compatible architecture \"%s\""), | |
1447 | compatible->printable_name); | |
1448 | ||
1449 | VEC_safe_push (arch_p, target_desc->compatible, compatible); | |
1450 | } | |
1451 | ||
29709017 DJ |
1452 | void |
1453 | set_tdesc_property (struct target_desc *target_desc, | |
1454 | const char *key, const char *value) | |
1455 | { | |
1456 | struct property *prop, new_prop; | |
1457 | int ix; | |
1458 | ||
1459 | gdb_assert (key != NULL && value != NULL); | |
1460 | ||
1461 | for (ix = 0; VEC_iterate (property_s, target_desc->properties, ix, prop); | |
1462 | ix++) | |
1463 | if (strcmp (prop->key, key) == 0) | |
1464 | internal_error (__FILE__, __LINE__, | |
1465 | _("Attempted to add duplicate property \"%s\""), key); | |
1466 | ||
23181151 DJ |
1467 | new_prop.key = xstrdup (key); |
1468 | new_prop.value = xstrdup (value); | |
29709017 DJ |
1469 | VEC_safe_push (property_s, target_desc->properties, &new_prop); |
1470 | } | |
23181151 DJ |
1471 | |
1472 | void | |
1473 | set_tdesc_architecture (struct target_desc *target_desc, | |
1474 | const struct bfd_arch_info *arch) | |
1475 | { | |
1476 | target_desc->arch = arch; | |
1477 | } | |
08d16641 PA |
1478 | |
1479 | void | |
1480 | set_tdesc_osabi (struct target_desc *target_desc, enum gdb_osabi osabi) | |
1481 | { | |
1482 | target_desc->osabi = osabi; | |
1483 | } | |
23181151 DJ |
1484 | \f |
1485 | ||
1486 | static struct cmd_list_element *tdesc_set_cmdlist, *tdesc_show_cmdlist; | |
1487 | static struct cmd_list_element *tdesc_unset_cmdlist; | |
1488 | ||
1489 | /* Helper functions for the CLI commands. */ | |
1490 | ||
1491 | static void | |
1492 | set_tdesc_cmd (char *args, int from_tty) | |
1493 | { | |
1494 | help_list (tdesc_set_cmdlist, "set tdesc ", -1, gdb_stdout); | |
1495 | } | |
1496 | ||
1497 | static void | |
1498 | show_tdesc_cmd (char *args, int from_tty) | |
1499 | { | |
1500 | cmd_show_list (tdesc_show_cmdlist, from_tty, ""); | |
1501 | } | |
1502 | ||
1503 | static void | |
1504 | unset_tdesc_cmd (char *args, int from_tty) | |
1505 | { | |
1506 | help_list (tdesc_unset_cmdlist, "unset tdesc ", -1, gdb_stdout); | |
1507 | } | |
1508 | ||
1509 | static void | |
1510 | set_tdesc_filename_cmd (char *args, int from_tty, | |
1511 | struct cmd_list_element *c) | |
1512 | { | |
1513 | target_clear_description (); | |
1514 | target_find_description (); | |
1515 | } | |
1516 | ||
1517 | static void | |
1518 | show_tdesc_filename_cmd (struct ui_file *file, int from_tty, | |
1519 | struct cmd_list_element *c, | |
1520 | const char *value) | |
1521 | { | |
1522 | if (value != NULL && *value != '\0') | |
3e43a32a | 1523 | printf_filtered (_("The target description will be read from \"%s\".\n"), |
23181151 DJ |
1524 | value); |
1525 | else | |
3e43a32a MS |
1526 | printf_filtered (_("The target description will be " |
1527 | "read from the target.\n")); | |
23181151 DJ |
1528 | } |
1529 | ||
1530 | static void | |
1531 | unset_tdesc_filename_cmd (char *args, int from_tty) | |
1532 | { | |
1533 | xfree (target_description_filename); | |
1534 | target_description_filename = NULL; | |
1535 | target_clear_description (); | |
1536 | target_find_description (); | |
1537 | } | |
1538 | ||
81adfced DJ |
1539 | static void |
1540 | maint_print_c_tdesc_cmd (char *args, int from_tty) | |
1541 | { | |
1542 | const struct target_desc *tdesc; | |
e35359c5 | 1543 | const struct bfd_arch_info *compatible; |
81adfced DJ |
1544 | const char *filename, *inp; |
1545 | char *function, *outp; | |
1546 | struct property *prop; | |
1547 | struct tdesc_feature *feature; | |
1548 | struct tdesc_reg *reg; | |
ad068eab UW |
1549 | struct tdesc_type *type; |
1550 | struct tdesc_type_field *f; | |
a6f5ef51 | 1551 | struct tdesc_type_flag *flag; |
81adfced | 1552 | int ix, ix2, ix3; |
4e2f8df6 | 1553 | int printed_field_type = 0; |
81adfced DJ |
1554 | |
1555 | /* Use the global target-supplied description, not the current | |
1556 | architecture's. This lets a GDB for one architecture generate C | |
1557 | for another architecture's description, even though the gdbarch | |
1558 | initialization code will reject the new description. */ | |
1559 | tdesc = current_target_desc; | |
1560 | if (tdesc == NULL) | |
1561 | error (_("There is no target description to print.")); | |
1562 | ||
1563 | if (target_description_filename == NULL) | |
1564 | error (_("The current target description did not come from an XML file.")); | |
1565 | ||
1566 | filename = lbasename (target_description_filename); | |
db3b9a10 | 1567 | function = alloca (strlen (filename) + 1); |
81adfced DJ |
1568 | for (inp = filename, outp = function; *inp != '\0'; inp++) |
1569 | if (*inp == '.') | |
1570 | break; | |
1571 | else if (*inp == '-') | |
1572 | *outp++ = '_'; | |
1573 | else | |
1574 | *outp++ = *inp; | |
1575 | *outp = '\0'; | |
1576 | ||
1577 | /* Standard boilerplate. */ | |
1578 | printf_unfiltered ("/* THIS FILE IS GENERATED. Original: %s */\n\n", | |
1579 | filename); | |
1580 | printf_unfiltered ("#include \"defs.h\"\n"); | |
c3f08eb7 | 1581 | printf_unfiltered ("#include \"osabi.h\"\n"); |
81adfced DJ |
1582 | printf_unfiltered ("#include \"target-descriptions.h\"\n"); |
1583 | printf_unfiltered ("\n"); | |
1584 | ||
1585 | printf_unfiltered ("struct target_desc *tdesc_%s;\n", function); | |
1586 | printf_unfiltered ("static void\n"); | |
1587 | printf_unfiltered ("initialize_tdesc_%s (void)\n", function); | |
1588 | printf_unfiltered ("{\n"); | |
1589 | printf_unfiltered | |
1590 | (" struct target_desc *result = allocate_target_description ();\n"); | |
1591 | printf_unfiltered (" struct tdesc_feature *feature;\n"); | |
4e2f8df6 SDJ |
1592 | |
1593 | /* Now we do some "filtering" in order to know which variables to | |
1594 | declare. This is needed because otherwise we would declare unused | |
1595 | variables `field_type' and `type'. */ | |
1596 | for (ix = 0; | |
1597 | VEC_iterate (tdesc_feature_p, tdesc->features, ix, feature); | |
1598 | ix++) | |
1599 | { | |
1600 | int printed_desc_type = 0; | |
1601 | ||
1602 | for (ix2 = 0; | |
1603 | VEC_iterate (tdesc_type_p, feature->types, ix2, type); | |
1604 | ix2++) | |
1605 | { | |
1606 | if (!printed_field_type) | |
1607 | { | |
1608 | printf_unfiltered (" struct tdesc_type *field_type;\n"); | |
1609 | printed_field_type = 1; | |
1610 | } | |
1611 | ||
1612 | if (type->kind == TDESC_TYPE_UNION | |
1613 | && VEC_length (tdesc_type_field, type->u.u.fields) > 0) | |
1614 | { | |
1615 | printf_unfiltered (" struct tdesc_type *type;\n"); | |
1616 | printed_desc_type = 1; | |
1617 | break; | |
1618 | } | |
1619 | } | |
1620 | ||
1621 | if (printed_desc_type) | |
1622 | break; | |
1623 | } | |
1624 | ||
81adfced DJ |
1625 | printf_unfiltered ("\n"); |
1626 | ||
1627 | if (tdesc_architecture (tdesc) != NULL) | |
1628 | { | |
1629 | printf_unfiltered | |
1630 | (" set_tdesc_architecture (result, bfd_scan_arch (\"%s\"));\n", | |
1631 | tdesc_architecture (tdesc)->printable_name); | |
1632 | printf_unfiltered ("\n"); | |
1633 | } | |
1634 | ||
c3f08eb7 L |
1635 | if (tdesc_osabi (tdesc) > GDB_OSABI_UNKNOWN |
1636 | && tdesc_osabi (tdesc) < GDB_OSABI_INVALID) | |
1637 | { | |
1638 | printf_unfiltered | |
1639 | (" set_tdesc_osabi (result, osabi_from_tdesc_string (\"%s\"));\n", | |
1640 | gdbarch_osabi_name (tdesc_osabi (tdesc))); | |
1641 | printf_unfiltered ("\n"); | |
1642 | } | |
1643 | ||
e35359c5 UW |
1644 | for (ix = 0; VEC_iterate (arch_p, tdesc->compatible, ix, compatible); |
1645 | ix++) | |
1646 | { | |
1647 | printf_unfiltered | |
1648 | (" tdesc_add_compatible (result, bfd_scan_arch (\"%s\"));\n", | |
1649 | compatible->printable_name); | |
1650 | } | |
1651 | if (ix) | |
1652 | printf_unfiltered ("\n"); | |
1653 | ||
81adfced DJ |
1654 | for (ix = 0; VEC_iterate (property_s, tdesc->properties, ix, prop); |
1655 | ix++) | |
1656 | { | |
1657 | printf_unfiltered (" set_tdesc_property (result, \"%s\", \"%s\");\n", | |
1658 | prop->key, prop->value); | |
1659 | } | |
1660 | ||
1661 | for (ix = 0; | |
1662 | VEC_iterate (tdesc_feature_p, tdesc->features, ix, feature); | |
1663 | ix++) | |
1664 | { | |
3e43a32a MS |
1665 | printf_unfiltered (" \ |
1666 | feature = tdesc_create_feature (result, \"%s\");\n", | |
81adfced DJ |
1667 | feature->name); |
1668 | ||
1669 | for (ix2 = 0; | |
ad068eab | 1670 | VEC_iterate (tdesc_type_p, feature->types, ix2, type); |
81adfced DJ |
1671 | ix2++) |
1672 | { | |
ad068eab | 1673 | switch (type->kind) |
81adfced | 1674 | { |
ad068eab | 1675 | case TDESC_TYPE_VECTOR: |
81adfced DJ |
1676 | printf_unfiltered |
1677 | (" field_type = tdesc_named_type (feature, \"%s\");\n", | |
ad068eab | 1678 | type->u.v.type->name); |
81adfced | 1679 | printf_unfiltered |
ad068eab UW |
1680 | (" tdesc_create_vector (feature, \"%s\", field_type, %d);\n", |
1681 | type->name, type->u.v.count); | |
81adfced | 1682 | break; |
ad068eab | 1683 | case TDESC_TYPE_UNION: |
81adfced | 1684 | printf_unfiltered |
ad068eab UW |
1685 | (" type = tdesc_create_union (feature, \"%s\");\n", |
1686 | type->name); | |
1687 | for (ix3 = 0; | |
1688 | VEC_iterate (tdesc_type_field, type->u.u.fields, ix3, f); | |
1689 | ix3++) | |
81adfced DJ |
1690 | { |
1691 | printf_unfiltered | |
1692 | (" field_type = tdesc_named_type (feature, \"%s\");\n", | |
ad068eab | 1693 | f->type->name); |
81adfced | 1694 | printf_unfiltered |
ad068eab UW |
1695 | (" tdesc_add_field (type, \"%s\", field_type);\n", |
1696 | f->name); | |
81adfced | 1697 | } |
81adfced | 1698 | break; |
a6f5ef51 L |
1699 | case TDESC_TYPE_FLAGS: |
1700 | printf_unfiltered | |
1701 | (" field_type = tdesc_create_flags (feature, \"%s\", %d);\n", | |
1702 | type->name, (int) type->u.f.size); | |
1703 | for (ix3 = 0; | |
1704 | VEC_iterate (tdesc_type_flag, type->u.f.flags, ix3, | |
1705 | flag); | |
1706 | ix3++) | |
1707 | printf_unfiltered | |
1708 | (" tdesc_add_flag (field_type, %d, \"%s\");\n", | |
1709 | flag->start, flag->name); | |
1710 | break; | |
81adfced | 1711 | default: |
ad068eab | 1712 | error (_("C output is not supported type \"%s\"."), type->name); |
81adfced | 1713 | } |
81adfced DJ |
1714 | printf_unfiltered ("\n"); |
1715 | } | |
1716 | ||
1717 | for (ix2 = 0; | |
1718 | VEC_iterate (tdesc_reg_p, feature->registers, ix2, reg); | |
1719 | ix2++) | |
1720 | { | |
1721 | printf_unfiltered (" tdesc_create_reg (feature, \"%s\", %ld, %d, ", | |
1722 | reg->name, reg->target_regnum, reg->save_restore); | |
1723 | if (reg->group) | |
1724 | printf_unfiltered ("\"%s\", ", reg->group); | |
1725 | else | |
1726 | printf_unfiltered ("NULL, "); | |
1727 | printf_unfiltered ("%d, \"%s\");\n", reg->bitsize, reg->type); | |
1728 | } | |
1729 | ||
1730 | printf_unfiltered ("\n"); | |
1731 | } | |
1732 | ||
1733 | printf_unfiltered (" tdesc_%s = result;\n", function); | |
1734 | printf_unfiltered ("}\n"); | |
1735 | } | |
1736 | ||
2c0b251b PA |
1737 | /* Provide a prototype to silence -Wmissing-prototypes. */ |
1738 | extern initialize_file_ftype _initialize_target_descriptions; | |
1739 | ||
23181151 DJ |
1740 | void |
1741 | _initialize_target_descriptions (void) | |
1742 | { | |
123dc839 DJ |
1743 | tdesc_data = gdbarch_data_register_pre_init (tdesc_data_init); |
1744 | ||
23181151 DJ |
1745 | add_prefix_cmd ("tdesc", class_maintenance, set_tdesc_cmd, _("\ |
1746 | Set target description specific variables."), | |
1747 | &tdesc_set_cmdlist, "set tdesc ", | |
1748 | 0 /* allow-unknown */, &setlist); | |
1749 | add_prefix_cmd ("tdesc", class_maintenance, show_tdesc_cmd, _("\ | |
1750 | Show target description specific variables."), | |
1751 | &tdesc_show_cmdlist, "show tdesc ", | |
1752 | 0 /* allow-unknown */, &showlist); | |
1753 | add_prefix_cmd ("tdesc", class_maintenance, unset_tdesc_cmd, _("\ | |
1754 | Unset target description specific variables."), | |
1755 | &tdesc_unset_cmdlist, "unset tdesc ", | |
1756 | 0 /* allow-unknown */, &unsetlist); | |
1757 | ||
1758 | add_setshow_filename_cmd ("filename", class_obscure, | |
1759 | &target_description_filename, | |
1760 | _("\ | |
1761 | Set the file to read for an XML target description"), _("\ | |
1762 | Show the file to read for an XML target description"), _("\ | |
1763 | When set, GDB will read the target description from a local\n\ | |
1764 | file instead of querying the remote target."), | |
1765 | set_tdesc_filename_cmd, | |
1766 | show_tdesc_filename_cmd, | |
1767 | &tdesc_set_cmdlist, &tdesc_show_cmdlist); | |
1768 | ||
1769 | add_cmd ("filename", class_obscure, unset_tdesc_filename_cmd, _("\ | |
1770 | Unset the file to read for an XML target description. When unset,\n\ | |
1771 | GDB will read the description from the target."), | |
1772 | &tdesc_unset_cmdlist); | |
81adfced DJ |
1773 | |
1774 | add_cmd ("c-tdesc", class_maintenance, maint_print_c_tdesc_cmd, _("\ | |
1775 | Print the current target description as a C source file."), | |
1776 | &maintenanceprintlist); | |
23181151 | 1777 | } |