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424163ea DJ |
1 | /* Target description support for GDB. |
2 | ||
3666a048 | 3 | Copyright (C) 2006-2021 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" | |
123dc839 | 29 | #include "xml-support.h" |
23181151 | 30 | #include "xml-tdesc.h" |
c3f08eb7 | 31 | #include "osabi.h" |
424163ea | 32 | |
123dc839 DJ |
33 | #include "gdb_obstack.h" |
34 | #include "hashtab.h" | |
6ecd4729 | 35 | #include "inferior.h" |
25aa13e5 | 36 | #include <algorithm> |
27d41eac YQ |
37 | #include "completer.h" |
38 | #include "readline/tilde.h" /* tilde_expand */ | |
424163ea DJ |
39 | |
40 | /* Types. */ | |
41 | ||
129c10bc | 42 | struct property |
29709017 | 43 | { |
129c10bc SM |
44 | property (const std::string &key_, const std::string &value_) |
45 | : key (key_), value (value_) | |
46 | {} | |
47 | ||
48 | std::string key; | |
49 | std::string value; | |
50 | }; | |
29709017 | 51 | |
b8df6ca7 AH |
52 | /* Convert a tdesc_type to a gdb type. */ |
53 | ||
54 | static type * | |
55 | make_gdb_type (struct gdbarch *gdbarch, struct tdesc_type *ttype) | |
56 | { | |
57 | class gdb_type_creator : public tdesc_element_visitor | |
27d41eac | 58 | { |
b8df6ca7 AH |
59 | public: |
60 | gdb_type_creator (struct gdbarch *gdbarch) | |
61 | : m_gdbarch (gdbarch) | |
62 | {} | |
d4a0e8b5 | 63 | |
b8df6ca7 AH |
64 | type *get_type () |
65 | { | |
66 | return m_type; | |
67 | } | |
d4a0e8b5 | 68 | |
b8df6ca7 AH |
69 | void visit (const tdesc_type_builtin *e) override |
70 | { | |
71 | switch (e->kind) | |
72 | { | |
73 | /* Predefined types. */ | |
74 | case TDESC_TYPE_BOOL: | |
75 | m_type = builtin_type (m_gdbarch)->builtin_bool; | |
76 | return; | |
77 | case TDESC_TYPE_INT8: | |
78 | m_type = builtin_type (m_gdbarch)->builtin_int8; | |
79 | return; | |
80 | case TDESC_TYPE_INT16: | |
81 | m_type = builtin_type (m_gdbarch)->builtin_int16; | |
82 | return; | |
83 | case TDESC_TYPE_INT32: | |
84 | m_type = builtin_type (m_gdbarch)->builtin_int32; | |
85 | return; | |
86 | case TDESC_TYPE_INT64: | |
87 | m_type = builtin_type (m_gdbarch)->builtin_int64; | |
88 | return; | |
89 | case TDESC_TYPE_INT128: | |
90 | m_type = builtin_type (m_gdbarch)->builtin_int128; | |
91 | return; | |
92 | case TDESC_TYPE_UINT8: | |
93 | m_type = builtin_type (m_gdbarch)->builtin_uint8; | |
94 | return; | |
95 | case TDESC_TYPE_UINT16: | |
96 | m_type = builtin_type (m_gdbarch)->builtin_uint16; | |
97 | return; | |
98 | case TDESC_TYPE_UINT32: | |
99 | m_type = builtin_type (m_gdbarch)->builtin_uint32; | |
100 | return; | |
101 | case TDESC_TYPE_UINT64: | |
102 | m_type = builtin_type (m_gdbarch)->builtin_uint64; | |
103 | return; | |
104 | case TDESC_TYPE_UINT128: | |
105 | m_type = builtin_type (m_gdbarch)->builtin_uint128; | |
106 | return; | |
107 | case TDESC_TYPE_CODE_PTR: | |
108 | m_type = builtin_type (m_gdbarch)->builtin_func_ptr; | |
109 | return; | |
110 | case TDESC_TYPE_DATA_PTR: | |
111 | m_type = builtin_type (m_gdbarch)->builtin_data_ptr; | |
112 | return; | |
113 | } | |
d4a0e8b5 | 114 | |
b8df6ca7 AH |
115 | m_type = tdesc_find_type (m_gdbarch, e->name.c_str ()); |
116 | if (m_type != NULL) | |
117 | return; | |
27d41eac | 118 | |
b8df6ca7 AH |
119 | switch (e->kind) |
120 | { | |
a6d0f249 AH |
121 | case TDESC_TYPE_IEEE_HALF: |
122 | m_type = arch_float_type (m_gdbarch, -1, "builtin_type_ieee_half", | |
123 | floatformats_ieee_half); | |
124 | return; | |
125 | ||
b8df6ca7 AH |
126 | case TDESC_TYPE_IEEE_SINGLE: |
127 | m_type = arch_float_type (m_gdbarch, -1, "builtin_type_ieee_single", | |
128 | floatformats_ieee_single); | |
129 | return; | |
130 | ||
131 | case TDESC_TYPE_IEEE_DOUBLE: | |
132 | m_type = arch_float_type (m_gdbarch, -1, "builtin_type_ieee_double", | |
133 | floatformats_ieee_double); | |
134 | return; | |
135 | case TDESC_TYPE_ARM_FPA_EXT: | |
136 | m_type = arch_float_type (m_gdbarch, -1, "builtin_type_arm_ext", | |
137 | floatformats_arm_ext); | |
138 | return; | |
139 | ||
140 | case TDESC_TYPE_I387_EXT: | |
141 | m_type = arch_float_type (m_gdbarch, -1, "builtin_type_i387_ext", | |
142 | floatformats_i387_ext); | |
143 | return; | |
2a67f09d FW |
144 | |
145 | case TDESC_TYPE_BFLOAT16: | |
146 | m_type = arch_float_type (m_gdbarch, -1, "builtin_type_bfloat16", | |
147 | floatformats_bfloat16); | |
148 | return; | |
b8df6ca7 | 149 | } |
d4a0e8b5 | 150 | |
b8df6ca7 AH |
151 | internal_error (__FILE__, __LINE__, |
152 | "Type \"%s\" has an unknown kind %d", | |
153 | e->name.c_str (), e->kind); | |
154 | } | |
d4a0e8b5 | 155 | |
b8df6ca7 AH |
156 | void visit (const tdesc_type_vector *e) override |
157 | { | |
158 | m_type = tdesc_find_type (m_gdbarch, e->name.c_str ()); | |
159 | if (m_type != NULL) | |
160 | return; | |
161 | ||
162 | type *element_gdb_type = make_gdb_type (m_gdbarch, e->element_type); | |
163 | m_type = init_vector_type (element_gdb_type, e->count); | |
d0e39ea2 | 164 | m_type->set_name (xstrdup (e->name.c_str ())); |
b8df6ca7 AH |
165 | return; |
166 | } | |
53c934e9 | 167 | |
b8df6ca7 AH |
168 | void visit (const tdesc_type_with_fields *e) override |
169 | { | |
170 | m_type = tdesc_find_type (m_gdbarch, e->name.c_str ()); | |
171 | if (m_type != NULL) | |
172 | return; | |
d4a0e8b5 | 173 | |
b8df6ca7 AH |
174 | switch (e->kind) |
175 | { | |
176 | case TDESC_TYPE_STRUCT: | |
177 | make_gdb_type_struct (e); | |
178 | return; | |
179 | case TDESC_TYPE_UNION: | |
180 | make_gdb_type_union (e); | |
181 | return; | |
182 | case TDESC_TYPE_FLAGS: | |
183 | make_gdb_type_flags (e); | |
184 | return; | |
185 | case TDESC_TYPE_ENUM: | |
186 | make_gdb_type_enum (e); | |
187 | return; | |
188 | } | |
d4a0e8b5 | 189 | |
b8df6ca7 AH |
190 | internal_error (__FILE__, __LINE__, |
191 | "Type \"%s\" has an unknown kind %d", | |
192 | e->name.c_str (), e->kind); | |
193 | } | |
d4a0e8b5 | 194 | |
b8df6ca7 | 195 | private: |
d4a0e8b5 | 196 | |
b8df6ca7 AH |
197 | void make_gdb_type_struct (const tdesc_type_with_fields *e) |
198 | { | |
199 | m_type = arch_composite_type (m_gdbarch, NULL, TYPE_CODE_STRUCT); | |
d0e39ea2 | 200 | m_type->set_name (xstrdup (e->name.c_str ())); |
d4a0e8b5 | 201 | |
b8df6ca7 AH |
202 | for (const tdesc_type_field &f : e->fields) |
203 | { | |
204 | if (f.start != -1 && f.end != -1) | |
205 | { | |
206 | /* Bitfield. */ | |
207 | struct field *fld; | |
208 | struct type *field_gdb_type; | |
209 | int bitsize, total_size; | |
210 | ||
211 | /* This invariant should be preserved while creating types. */ | |
212 | gdb_assert (e->size != 0); | |
213 | if (f.type != NULL) | |
214 | field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
215 | else if (e->size > 4) | |
216 | field_gdb_type = builtin_type (m_gdbarch)->builtin_uint64; | |
217 | else | |
218 | field_gdb_type = builtin_type (m_gdbarch)->builtin_uint32; | |
219 | ||
220 | fld = append_composite_type_field_raw | |
221 | (m_type, xstrdup (f.name.c_str ()), field_gdb_type); | |
222 | ||
223 | /* For little-endian, BITPOS counts from the LSB of | |
224 | the structure and marks the LSB of the field. For | |
225 | big-endian, BITPOS counts from the MSB of the | |
226 | structure and marks the MSB of the field. Either | |
227 | way, it is the number of bits to the "left" of the | |
228 | field. To calculate this in big-endian, we need | |
229 | the total size of the structure. */ | |
230 | bitsize = f.end - f.start + 1; | |
231 | total_size = e->size * TARGET_CHAR_BIT; | |
d5a22e77 | 232 | if (gdbarch_byte_order (m_gdbarch) == BFD_ENDIAN_BIG) |
b8df6ca7 AH |
233 | SET_FIELD_BITPOS (fld[0], total_size - f.start - bitsize); |
234 | else | |
235 | SET_FIELD_BITPOS (fld[0], f.start); | |
236 | FIELD_BITSIZE (fld[0]) = bitsize; | |
237 | } | |
238 | else | |
239 | { | |
240 | gdb_assert (f.start == -1 && f.end == -1); | |
241 | type *field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
242 | append_composite_type_field (m_type, | |
d4a0e8b5 | 243 | xstrdup (f.name.c_str ()), |
b8df6ca7 AH |
244 | field_gdb_type); |
245 | } | |
246 | } | |
d4a0e8b5 | 247 | |
b8df6ca7 AH |
248 | if (e->size != 0) |
249 | TYPE_LENGTH (m_type) = e->size; | |
250 | } | |
d4a0e8b5 | 251 | |
b8df6ca7 AH |
252 | void make_gdb_type_union (const tdesc_type_with_fields *e) |
253 | { | |
254 | m_type = arch_composite_type (m_gdbarch, NULL, TYPE_CODE_UNION); | |
d0e39ea2 | 255 | m_type->set_name (xstrdup (e->name.c_str ())); |
d4a0e8b5 | 256 | |
b8df6ca7 AH |
257 | for (const tdesc_type_field &f : e->fields) |
258 | { | |
259 | type* field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
260 | append_composite_type_field (m_type, xstrdup (f.name.c_str ()), | |
261 | field_gdb_type); | |
262 | ||
263 | /* If any of the children of a union are vectors, flag the | |
264 | union as a vector also. This allows e.g. a union of two | |
265 | vector types to show up automatically in "info vector". */ | |
bd63c870 | 266 | if (field_gdb_type->is_vector ()) |
2062087b | 267 | m_type->set_is_vector (true); |
b8df6ca7 AH |
268 | } |
269 | } | |
d4a0e8b5 | 270 | |
b8df6ca7 | 271 | void make_gdb_type_flags (const tdesc_type_with_fields *e) |
d4a0e8b5 | 272 | { |
b8df6ca7 AH |
273 | m_type = arch_flags_type (m_gdbarch, e->name.c_str (), |
274 | e->size * TARGET_CHAR_BIT); | |
275 | ||
276 | for (const tdesc_type_field &f : e->fields) | |
277 | { | |
278 | int bitsize = f.end - f.start + 1; | |
279 | ||
280 | gdb_assert (f.type != NULL); | |
281 | type *field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
282 | append_flags_type_field (m_type, f.start, bitsize, | |
283 | field_gdb_type, f.name.c_str ()); | |
284 | } | |
d4a0e8b5 SM |
285 | } |
286 | ||
b8df6ca7 AH |
287 | void make_gdb_type_enum (const tdesc_type_with_fields *e) |
288 | { | |
289 | m_type = arch_type (m_gdbarch, TYPE_CODE_ENUM, e->size * TARGET_CHAR_BIT, | |
290 | e->name.c_str ()); | |
d4a0e8b5 | 291 | |
653223d3 SM |
292 | m_type->set_is_unsigned (true); |
293 | ||
b8df6ca7 AH |
294 | for (const tdesc_type_field &f : e->fields) |
295 | { | |
296 | struct field *fld | |
297 | = append_composite_type_field_raw (m_type, | |
298 | xstrdup (f.name.c_str ()), | |
299 | NULL); | |
d4a0e8b5 | 300 | |
b8df6ca7 AH |
301 | SET_FIELD_BITPOS (fld[0], f.start); |
302 | } | |
303 | } | |
304 | ||
305 | /* The gdbarch used. */ | |
306 | struct gdbarch *m_gdbarch; | |
307 | ||
308 | /* The type created. */ | |
309 | type *m_type; | |
310 | }; | |
311 | ||
312 | gdb_type_creator gdb_type (gdbarch); | |
313 | ttype->accept (gdb_type); | |
314 | return gdb_type.get_type (); | |
315 | } | |
123dc839 | 316 | |
fbf42f4e AB |
317 | /* Wrapper around bfd_arch_info_type. A class with this name is used in |
318 | the API that is shared between gdb and gdbserver code, but gdbserver | |
319 | doesn't use compatibility information, so its version of this class is | |
320 | empty. */ | |
321 | ||
322 | class tdesc_compatible_info | |
323 | { | |
324 | public: | |
325 | /* Constructor. */ | |
326 | explicit tdesc_compatible_info (const bfd_arch_info_type *arch) | |
327 | : m_arch (arch) | |
328 | { /* Nothing. */ } | |
329 | ||
330 | /* Access the contained pointer. */ | |
331 | const bfd_arch_info_type *arch () const | |
332 | { return m_arch; } | |
333 | ||
334 | private: | |
335 | /* Architecture information looked up from the <compatible> entity within | |
336 | a target description. */ | |
337 | const bfd_arch_info_type *m_arch; | |
338 | }; | |
339 | ||
123dc839 DJ |
340 | /* A target description. */ |
341 | ||
6eb1e6a8 | 342 | struct target_desc : tdesc_element |
424163ea | 343 | { |
b468ff4c YQ |
344 | target_desc () |
345 | {} | |
346 | ||
3eea796c | 347 | virtual ~target_desc () = default; |
b468ff4c YQ |
348 | |
349 | target_desc (const target_desc &) = delete; | |
350 | void operator= (const target_desc &) = delete; | |
351 | ||
23181151 | 352 | /* The architecture reported by the target, if any. */ |
b468ff4c | 353 | const struct bfd_arch_info *arch = NULL; |
23181151 | 354 | |
08d16641 PA |
355 | /* The osabi reported by the target, if any; GDB_OSABI_UNKNOWN |
356 | otherwise. */ | |
b468ff4c | 357 | enum gdb_osabi osabi = GDB_OSABI_UNKNOWN; |
08d16641 | 358 | |
e35359c5 | 359 | /* The list of compatible architectures reported by the target. */ |
fbf42f4e | 360 | std::vector<tdesc_compatible_info_up> compatible; |
e35359c5 | 361 | |
29709017 | 362 | /* Any architecture-specific properties specified by the target. */ |
129c10bc | 363 | std::vector<property> properties; |
123dc839 DJ |
364 | |
365 | /* The features associated with this target. */ | |
858c9d13 | 366 | std::vector<tdesc_feature_up> features; |
6eb1e6a8 | 367 | |
e98577a9 AH |
368 | /* Used to cache the generated xml version of the target description. */ |
369 | mutable char *xmltarget = nullptr; | |
370 | ||
6eb1e6a8 YQ |
371 | void accept (tdesc_element_visitor &v) const override |
372 | { | |
373 | v.visit_pre (this); | |
374 | ||
3eea796c | 375 | for (const tdesc_feature_up &feature : features) |
6eb1e6a8 YQ |
376 | feature->accept (v); |
377 | ||
378 | v.visit_post (this); | |
379 | } | |
27d41eac YQ |
380 | |
381 | bool operator== (const target_desc &other) const | |
382 | { | |
383 | if (arch != other.arch) | |
384 | return false; | |
385 | ||
386 | if (osabi != other.osabi) | |
387 | return false; | |
388 | ||
3eea796c | 389 | if (features.size () != other.features.size ()) |
27d41eac YQ |
390 | return false; |
391 | ||
3eea796c | 392 | for (int ix = 0; ix < features.size (); ix++) |
27d41eac | 393 | { |
3eea796c SM |
394 | const tdesc_feature_up &feature1 = features[ix]; |
395 | const tdesc_feature_up &feature2 = other.features[ix]; | |
27d41eac | 396 | |
3eea796c | 397 | if (feature1 != feature2 && *feature1 != *feature2) |
27d41eac YQ |
398 | return false; |
399 | } | |
400 | ||
401 | return true; | |
402 | } | |
403 | ||
404 | bool operator!= (const target_desc &other) const | |
405 | { | |
406 | return !(*this == other); | |
407 | } | |
123dc839 DJ |
408 | }; |
409 | ||
410 | /* Per-architecture data associated with a target description. The | |
411 | target description may be shared by multiple architectures, but | |
412 | this data is private to one gdbarch. */ | |
413 | ||
f0cddbef | 414 | struct tdesc_arch_reg |
ad068eab | 415 | { |
f0cddbef SM |
416 | tdesc_arch_reg (tdesc_reg *reg_, struct type *type_) |
417 | : reg (reg_), type (type_) | |
418 | {} | |
419 | ||
ad068eab UW |
420 | struct tdesc_reg *reg; |
421 | struct type *type; | |
f0cddbef | 422 | }; |
ad068eab | 423 | |
123dc839 DJ |
424 | struct tdesc_arch_data |
425 | { | |
ad068eab | 426 | /* A list of register/type pairs, indexed by GDB's internal register number. |
123dc839 DJ |
427 | During initialization of the gdbarch this list is used to store |
428 | registers which the architecture assigns a fixed register number. | |
429 | Registers which are NULL in this array, or off the end, are | |
430 | treated as zero-sized and nameless (i.e. placeholders in the | |
431 | numbering). */ | |
f0cddbef | 432 | std::vector<tdesc_arch_reg> arch_regs; |
123dc839 DJ |
433 | |
434 | /* Functions which report the register name, type, and reggroups for | |
435 | pseudo-registers. */ | |
f0cddbef SM |
436 | gdbarch_register_name_ftype *pseudo_register_name = NULL; |
437 | gdbarch_register_type_ftype *pseudo_register_type = NULL; | |
438 | gdbarch_register_reggroup_p_ftype *pseudo_register_reggroup_p = NULL; | |
424163ea DJ |
439 | }; |
440 | ||
6ecd4729 PA |
441 | /* Info about an inferior's target description. There's one of these |
442 | for each inferior. */ | |
424163ea | 443 | |
6ecd4729 PA |
444 | struct target_desc_info |
445 | { | |
446 | /* A flag indicating that a description has already been fetched | |
447 | from the target, so it should not be queried again. */ | |
448 | ||
0b2f7ade | 449 | bool fetched = false; |
424163ea | 450 | |
6ecd4729 PA |
451 | /* The description fetched from the target, or NULL if the target |
452 | did not supply any description. Only valid when | |
c2962e6a | 453 | FETCHED is set. Only the description initialization |
6ecd4729 PA |
454 | code should access this; normally, the description should be |
455 | accessed through the gdbarch object. */ | |
424163ea | 456 | |
0b2f7ade | 457 | const struct target_desc *tdesc = nullptr; |
424163ea | 458 | |
91e3c425 SM |
459 | /* If not empty, the filename to read a target description from, as set by |
460 | "set tdesc filename ...". | |
424163ea | 461 | |
91e3c425 SM |
462 | If empty, there is not filename specified by the user. */ |
463 | ||
464 | std::string filename; | |
6ecd4729 | 465 | }; |
23181151 | 466 | |
6ecd4729 PA |
467 | /* Get the inferior INF's target description info, allocating one on |
468 | the stop if necessary. */ | |
23181151 | 469 | |
6ecd4729 PA |
470 | static struct target_desc_info * |
471 | get_tdesc_info (struct inferior *inf) | |
472 | { | |
473 | if (inf->tdesc_info == NULL) | |
0b2f7ade SM |
474 | inf->tdesc_info = new target_desc_info; |
475 | ||
6ecd4729 PA |
476 | return inf->tdesc_info; |
477 | } | |
23181151 | 478 | |
123dc839 DJ |
479 | /* A handle for architecture-specific data associated with the |
480 | target description (see struct tdesc_arch_data). */ | |
481 | ||
482 | static struct gdbarch_data *tdesc_data; | |
483 | ||
6ecd4729 PA |
484 | /* See target-descriptions.h. */ |
485 | ||
486 | int | |
487 | target_desc_info_from_user_p (struct target_desc_info *info) | |
488 | { | |
91e3c425 | 489 | return info != nullptr && !info->filename.empty (); |
6ecd4729 PA |
490 | } |
491 | ||
492 | /* See target-descriptions.h. */ | |
493 | ||
494 | void | |
495 | copy_inferior_target_desc_info (struct inferior *destinf, struct inferior *srcinf) | |
496 | { | |
497 | struct target_desc_info *src = get_tdesc_info (srcinf); | |
498 | struct target_desc_info *dest = get_tdesc_info (destinf); | |
499 | ||
91e3c425 | 500 | *dest = *src; |
6ecd4729 PA |
501 | } |
502 | ||
503 | /* See target-descriptions.h. */ | |
504 | ||
505 | void | |
506 | target_desc_info_free (struct target_desc_info *tdesc_info) | |
507 | { | |
91e3c425 | 508 | delete tdesc_info; |
6ecd4729 PA |
509 | } |
510 | ||
6ecd4729 PA |
511 | /* The string manipulated by the "set tdesc filename ..." command. */ |
512 | ||
513 | static char *tdesc_filename_cmd_string; | |
514 | ||
424163ea DJ |
515 | /* Fetch the current target's description, and switch the current |
516 | architecture to one which incorporates that description. */ | |
517 | ||
518 | void | |
519 | target_find_description (void) | |
520 | { | |
c2962e6a SM |
521 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
522 | ||
424163ea DJ |
523 | /* If we've already fetched a description from the target, don't do |
524 | it again. This allows a target to fetch the description early, | |
525 | during its to_open or to_create_inferior, if it needs extra | |
526 | information about the target to initialize. */ | |
c2962e6a | 527 | if (tdesc_info->fetched) |
424163ea DJ |
528 | return; |
529 | ||
530 | /* The current architecture should not have any target description | |
531 | specified. It should have been cleared, e.g. when we | |
532 | disconnected from the previous target. */ | |
f5656ead | 533 | gdb_assert (gdbarch_target_desc (target_gdbarch ()) == NULL); |
424163ea | 534 | |
23181151 DJ |
535 | /* First try to fetch an XML description from the user-specified |
536 | file. */ | |
c2962e6a | 537 | tdesc_info->tdesc = nullptr; |
91e3c425 SM |
538 | if (!tdesc_info->filename.empty ()) |
539 | tdesc_info->tdesc = file_read_description_xml (tdesc_info->filename.data ()); | |
23181151 DJ |
540 | |
541 | /* Next try to read the description from the current target using | |
542 | target objects. */ | |
c2962e6a SM |
543 | if (tdesc_info->tdesc == nullptr) |
544 | tdesc_info->tdesc = target_read_description_xml | |
328d42d8 | 545 | (current_inferior ()->top_target ()); |
23181151 DJ |
546 | |
547 | /* If that failed try a target-specific hook. */ | |
c2962e6a SM |
548 | if (tdesc_info->tdesc == nullptr) |
549 | tdesc_info->tdesc = target_read_description | |
328d42d8 | 550 | (current_inferior ()->top_target ()); |
424163ea DJ |
551 | |
552 | /* If a non-NULL description was returned, then update the current | |
553 | architecture. */ | |
c2962e6a | 554 | if (tdesc_info->tdesc != nullptr) |
424163ea DJ |
555 | { |
556 | struct gdbarch_info info; | |
557 | ||
558 | gdbarch_info_init (&info); | |
c2962e6a | 559 | info.target_desc = tdesc_info->tdesc; |
424163ea | 560 | if (!gdbarch_update_p (info)) |
123dc839 DJ |
561 | warning (_("Architecture rejected target-supplied description")); |
562 | else | |
563 | { | |
564 | struct tdesc_arch_data *data; | |
565 | ||
19ba03f4 SM |
566 | data = ((struct tdesc_arch_data *) |
567 | gdbarch_data (target_gdbarch (), tdesc_data)); | |
c2962e6a | 568 | if (tdesc_has_registers (tdesc_info->tdesc) |
f0cddbef | 569 | && data->arch_regs.empty ()) |
123dc839 DJ |
570 | warning (_("Target-supplied registers are not supported " |
571 | "by the current architecture")); | |
572 | } | |
424163ea DJ |
573 | } |
574 | ||
575 | /* Now that we know this description is usable, record that we | |
576 | fetched it. */ | |
820c4490 | 577 | tdesc_info->fetched = true; |
424163ea DJ |
578 | } |
579 | ||
580 | /* Discard any description fetched from the current target, and switch | |
581 | the current architecture to one with no target description. */ | |
582 | ||
583 | void | |
584 | target_clear_description (void) | |
585 | { | |
c2962e6a | 586 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
424163ea | 587 | |
c2962e6a | 588 | if (!tdesc_info->fetched) |
424163ea DJ |
589 | return; |
590 | ||
820c4490 | 591 | tdesc_info->fetched = false; |
c2962e6a | 592 | tdesc_info->tdesc = nullptr; |
424163ea | 593 | |
c2962e6a | 594 | gdbarch_info info; |
424163ea DJ |
595 | gdbarch_info_init (&info); |
596 | if (!gdbarch_update_p (info)) | |
597 | internal_error (__FILE__, __LINE__, | |
598 | _("Could not remove target-supplied description")); | |
599 | } | |
600 | ||
601 | /* Return the global current target description. This should only be | |
602 | used by gdbarch initialization code; most access should be through | |
603 | an existing gdbarch. */ | |
604 | ||
605 | const struct target_desc * | |
606 | target_current_description (void) | |
607 | { | |
c2962e6a SM |
608 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
609 | ||
610 | if (tdesc_info->fetched) | |
611 | return tdesc_info->tdesc; | |
424163ea DJ |
612 | |
613 | return NULL; | |
614 | } | |
e35359c5 UW |
615 | |
616 | /* Return non-zero if this target description is compatible | |
617 | with the given BFD architecture. */ | |
618 | ||
619 | int | |
620 | tdesc_compatible_p (const struct target_desc *target_desc, | |
621 | const struct bfd_arch_info *arch) | |
622 | { | |
fbf42f4e | 623 | for (const tdesc_compatible_info_up &compat : target_desc->compatible) |
e35359c5 | 624 | { |
fbf42f4e AB |
625 | if (compat->arch () == arch |
626 | || arch->compatible (arch, compat->arch ()) | |
627 | || compat->arch ()->compatible (compat->arch (), arch)) | |
e35359c5 UW |
628 | return 1; |
629 | } | |
630 | ||
631 | return 0; | |
632 | } | |
23181151 DJ |
633 | \f |
634 | ||
123dc839 | 635 | /* Direct accessors for target descriptions. */ |
424163ea | 636 | |
29709017 DJ |
637 | /* Return the string value of a property named KEY, or NULL if the |
638 | property was not specified. */ | |
639 | ||
640 | const char * | |
641 | tdesc_property (const struct target_desc *target_desc, const char *key) | |
642 | { | |
129c10bc SM |
643 | for (const property &prop : target_desc->properties) |
644 | if (prop.key == key) | |
645 | return prop.value.c_str (); | |
29709017 DJ |
646 | |
647 | return NULL; | |
648 | } | |
649 | ||
23181151 DJ |
650 | /* Return the BFD architecture associated with this target |
651 | description, or NULL if no architecture was specified. */ | |
652 | ||
653 | const struct bfd_arch_info * | |
654 | tdesc_architecture (const struct target_desc *target_desc) | |
655 | { | |
656 | return target_desc->arch; | |
657 | } | |
08d16641 | 658 | |
268a13a5 | 659 | /* See gdbsupport/tdesc.h. */ |
d278f585 AH |
660 | |
661 | const char * | |
662 | tdesc_architecture_name (const struct target_desc *target_desc) | |
663 | { | |
caa7fd04 AB |
664 | if (target_desc->arch != NULL) |
665 | return target_desc->arch->printable_name; | |
666 | return NULL; | |
d278f585 AH |
667 | } |
668 | ||
fbf42f4e AB |
669 | /* See gdbsupport/tdesc.h. */ |
670 | ||
671 | const std::vector<tdesc_compatible_info_up> & | |
672 | tdesc_compatible_info_list (const target_desc *target_desc) | |
673 | { | |
674 | return target_desc->compatible; | |
675 | } | |
676 | ||
677 | /* See gdbsupport/tdesc.h. */ | |
678 | ||
679 | const char * | |
680 | tdesc_compatible_info_arch_name (const tdesc_compatible_info_up &compatible) | |
681 | { | |
682 | return compatible->arch ()->printable_name; | |
683 | } | |
684 | ||
08d16641 PA |
685 | /* Return the OSABI associated with this target description, or |
686 | GDB_OSABI_UNKNOWN if no osabi was specified. */ | |
687 | ||
688 | enum gdb_osabi | |
689 | tdesc_osabi (const struct target_desc *target_desc) | |
690 | { | |
691 | return target_desc->osabi; | |
692 | } | |
693 | ||
268a13a5 | 694 | /* See gdbsupport/tdesc.h. */ |
d278f585 AH |
695 | |
696 | const char * | |
697 | tdesc_osabi_name (const struct target_desc *target_desc) | |
698 | { | |
699 | enum gdb_osabi osabi = tdesc_osabi (target_desc); | |
700 | if (osabi > GDB_OSABI_UNKNOWN && osabi < GDB_OSABI_INVALID) | |
701 | return gdbarch_osabi_name (osabi); | |
702 | return nullptr; | |
703 | } | |
23181151 | 704 | |
123dc839 DJ |
705 | /* Return 1 if this target description includes any registers. */ |
706 | ||
707 | int | |
708 | tdesc_has_registers (const struct target_desc *target_desc) | |
709 | { | |
123dc839 DJ |
710 | if (target_desc == NULL) |
711 | return 0; | |
712 | ||
3eea796c | 713 | for (const tdesc_feature_up &feature : target_desc->features) |
c9c895b9 | 714 | if (!feature->registers.empty ()) |
123dc839 DJ |
715 | return 1; |
716 | ||
717 | return 0; | |
718 | } | |
719 | ||
720 | /* Return the feature with the given name, if present, or NULL if | |
721 | the named feature is not found. */ | |
722 | ||
723 | const struct tdesc_feature * | |
724 | tdesc_find_feature (const struct target_desc *target_desc, | |
725 | const char *name) | |
726 | { | |
3eea796c | 727 | for (const tdesc_feature_up &feature : target_desc->features) |
f65ff9f9 | 728 | if (feature->name == name) |
3eea796c | 729 | return feature.get (); |
123dc839 DJ |
730 | |
731 | return NULL; | |
732 | } | |
733 | ||
734 | /* Return the name of FEATURE. */ | |
735 | ||
736 | const char * | |
737 | tdesc_feature_name (const struct tdesc_feature *feature) | |
738 | { | |
f65ff9f9 | 739 | return feature->name.c_str (); |
123dc839 DJ |
740 | } |
741 | ||
9fd3625f L |
742 | /* Lookup type associated with ID. */ |
743 | ||
744 | struct type * | |
745 | tdesc_find_type (struct gdbarch *gdbarch, const char *id) | |
746 | { | |
f0cddbef SM |
747 | tdesc_arch_data *data |
748 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
9fd3625f | 749 | |
f0cddbef | 750 | for (const tdesc_arch_reg ® : data->arch_regs) |
9fd3625f | 751 | { |
f0cddbef SM |
752 | if (reg.reg |
753 | && reg.reg->tdesc_type | |
754 | && reg.type | |
755 | && reg.reg->tdesc_type->name == id) | |
756 | return reg.type; | |
9fd3625f L |
757 | } |
758 | ||
759 | return NULL; | |
760 | } | |
761 | ||
123dc839 DJ |
762 | /* Support for registers from target descriptions. */ |
763 | ||
764 | /* Construct the per-gdbarch data. */ | |
765 | ||
766 | static void * | |
767 | tdesc_data_init (struct obstack *obstack) | |
768 | { | |
284a0e3c | 769 | return obstack_new<tdesc_arch_data> (obstack); |
123dc839 DJ |
770 | } |
771 | ||
772 | /* Similar, but for the temporary copy used during architecture | |
773 | initialization. */ | |
774 | ||
c1e1314d | 775 | tdesc_arch_data_up |
123dc839 DJ |
776 | tdesc_data_alloc (void) |
777 | { | |
c1e1314d | 778 | return tdesc_arch_data_up (new tdesc_arch_data ()); |
123dc839 DJ |
779 | } |
780 | ||
c1e1314d | 781 | /* See target-descriptions.h. */ |
123dc839 DJ |
782 | |
783 | void | |
c1e1314d | 784 | tdesc_arch_data_deleter::operator() (struct tdesc_arch_data *data) const |
123dc839 | 785 | { |
f0cddbef | 786 | delete data; |
123dc839 DJ |
787 | } |
788 | ||
789 | /* Search FEATURE for a register named NAME. */ | |
790 | ||
7cc46491 DJ |
791 | static struct tdesc_reg * |
792 | tdesc_find_register_early (const struct tdesc_feature *feature, | |
793 | const char *name) | |
123dc839 | 794 | { |
c9c895b9 | 795 | for (const tdesc_reg_up ® : feature->registers) |
a8142ee1 | 796 | if (strcasecmp (reg->name.c_str (), name) == 0) |
c9c895b9 | 797 | return reg.get (); |
123dc839 | 798 | |
7cc46491 DJ |
799 | return NULL; |
800 | } | |
801 | ||
802 | /* Search FEATURE for a register named NAME. Assign REGNO to it. */ | |
803 | ||
804 | int | |
805 | tdesc_numbered_register (const struct tdesc_feature *feature, | |
806 | struct tdesc_arch_data *data, | |
807 | int regno, const char *name) | |
808 | { | |
809 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
810 | ||
811 | if (reg == NULL) | |
812 | return 0; | |
813 | ||
814 | /* Make sure the vector includes a REGNO'th element. */ | |
f0cddbef SM |
815 | while (regno >= data->arch_regs.size ()) |
816 | data->arch_regs.emplace_back (nullptr, nullptr); | |
817 | ||
818 | data->arch_regs[regno] = tdesc_arch_reg (reg, NULL); | |
ad068eab | 819 | |
7cc46491 | 820 | return 1; |
123dc839 DJ |
821 | } |
822 | ||
58d6951d DJ |
823 | /* Search FEATURE for a register named NAME, but do not assign a fixed |
824 | register number to it. */ | |
825 | ||
826 | int | |
827 | tdesc_unnumbered_register (const struct tdesc_feature *feature, | |
828 | const char *name) | |
829 | { | |
830 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
831 | ||
832 | if (reg == NULL) | |
833 | return 0; | |
834 | ||
835 | return 1; | |
836 | } | |
837 | ||
7cc46491 DJ |
838 | /* Search FEATURE for a register whose name is in NAMES and assign |
839 | REGNO to it. */ | |
123dc839 DJ |
840 | |
841 | int | |
842 | tdesc_numbered_register_choices (const struct tdesc_feature *feature, | |
843 | struct tdesc_arch_data *data, | |
844 | int regno, const char *const names[]) | |
845 | { | |
846 | int i; | |
847 | ||
848 | for (i = 0; names[i] != NULL; i++) | |
849 | if (tdesc_numbered_register (feature, data, regno, names[i])) | |
850 | return 1; | |
851 | ||
852 | return 0; | |
853 | } | |
854 | ||
7cc46491 DJ |
855 | /* Search FEATURE for a register named NAME, and return its size in |
856 | bits. The register must exist. */ | |
857 | ||
858 | int | |
12863263 | 859 | tdesc_register_bitsize (const struct tdesc_feature *feature, const char *name) |
7cc46491 DJ |
860 | { |
861 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
862 | ||
863 | gdb_assert (reg != NULL); | |
864 | return reg->bitsize; | |
865 | } | |
866 | ||
123dc839 DJ |
867 | /* Look up a register by its GDB internal register number. */ |
868 | ||
ad068eab UW |
869 | static struct tdesc_arch_reg * |
870 | tdesc_find_arch_register (struct gdbarch *gdbarch, int regno) | |
123dc839 | 871 | { |
123dc839 DJ |
872 | struct tdesc_arch_data *data; |
873 | ||
19ba03f4 | 874 | data = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); |
f0cddbef SM |
875 | if (regno < data->arch_regs.size ()) |
876 | return &data->arch_regs[regno]; | |
123dc839 DJ |
877 | else |
878 | return NULL; | |
879 | } | |
880 | ||
ad068eab UW |
881 | static struct tdesc_reg * |
882 | tdesc_find_register (struct gdbarch *gdbarch, int regno) | |
883 | { | |
884 | struct tdesc_arch_reg *reg = tdesc_find_arch_register (gdbarch, regno); | |
5d502164 | 885 | |
ad068eab UW |
886 | return reg? reg->reg : NULL; |
887 | } | |
888 | ||
f8b73d13 DJ |
889 | /* Return the name of register REGNO, from the target description or |
890 | from an architecture-provided pseudo_register_name method. */ | |
891 | ||
892 | const char * | |
d93859e2 | 893 | tdesc_register_name (struct gdbarch *gdbarch, int regno) |
123dc839 | 894 | { |
d93859e2 UW |
895 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); |
896 | int num_regs = gdbarch_num_regs (gdbarch); | |
123dc839 DJ |
897 | |
898 | if (reg != NULL) | |
a8142ee1 | 899 | return reg->name.c_str (); |
123dc839 | 900 | |
f6efe3f8 | 901 | if (regno >= num_regs && regno < gdbarch_num_cooked_regs (gdbarch)) |
123dc839 | 902 | { |
19ba03f4 SM |
903 | struct tdesc_arch_data *data |
904 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
5d502164 | 905 | |
123dc839 | 906 | gdb_assert (data->pseudo_register_name != NULL); |
d93859e2 | 907 | return data->pseudo_register_name (gdbarch, regno); |
123dc839 DJ |
908 | } |
909 | ||
910 | return ""; | |
911 | } | |
912 | ||
58d6951d | 913 | struct type * |
123dc839 DJ |
914 | tdesc_register_type (struct gdbarch *gdbarch, int regno) |
915 | { | |
ad068eab UW |
916 | struct tdesc_arch_reg *arch_reg = tdesc_find_arch_register (gdbarch, regno); |
917 | struct tdesc_reg *reg = arch_reg? arch_reg->reg : NULL; | |
123dc839 DJ |
918 | int num_regs = gdbarch_num_regs (gdbarch); |
919 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
920 | ||
921 | if (reg == NULL && regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
922 | { | |
19ba03f4 SM |
923 | struct tdesc_arch_data *data |
924 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
5d502164 | 925 | |
123dc839 DJ |
926 | gdb_assert (data->pseudo_register_type != NULL); |
927 | return data->pseudo_register_type (gdbarch, regno); | |
928 | } | |
929 | ||
930 | if (reg == NULL) | |
931 | /* Return "int0_t", since "void" has a misleading size of one. */ | |
df4df182 | 932 | return builtin_type (gdbarch)->builtin_int0; |
123dc839 | 933 | |
ad068eab | 934 | if (arch_reg->type == NULL) |
123dc839 | 935 | { |
ad068eab UW |
936 | /* First check for a predefined or target defined type. */ |
937 | if (reg->tdesc_type) | |
b8df6ca7 | 938 | arch_reg->type = make_gdb_type (gdbarch, reg->tdesc_type); |
ad068eab UW |
939 | |
940 | /* Next try size-sensitive type shortcuts. */ | |
a8142ee1 | 941 | else if (reg->type == "float") |
ad068eab UW |
942 | { |
943 | if (reg->bitsize == gdbarch_float_bit (gdbarch)) | |
944 | arch_reg->type = builtin_type (gdbarch)->builtin_float; | |
945 | else if (reg->bitsize == gdbarch_double_bit (gdbarch)) | |
946 | arch_reg->type = builtin_type (gdbarch)->builtin_double; | |
947 | else if (reg->bitsize == gdbarch_long_double_bit (gdbarch)) | |
948 | arch_reg->type = builtin_type (gdbarch)->builtin_long_double; | |
949 | else | |
950 | { | |
951 | warning (_("Register \"%s\" has an unsupported size (%d bits)"), | |
a8142ee1 | 952 | reg->name.c_str (), reg->bitsize); |
ad068eab UW |
953 | arch_reg->type = builtin_type (gdbarch)->builtin_double; |
954 | } | |
955 | } | |
a8142ee1 | 956 | else if (reg->type == "int") |
ad068eab UW |
957 | { |
958 | if (reg->bitsize == gdbarch_long_bit (gdbarch)) | |
959 | arch_reg->type = builtin_type (gdbarch)->builtin_long; | |
960 | else if (reg->bitsize == TARGET_CHAR_BIT) | |
961 | arch_reg->type = builtin_type (gdbarch)->builtin_char; | |
962 | else if (reg->bitsize == gdbarch_short_bit (gdbarch)) | |
963 | arch_reg->type = builtin_type (gdbarch)->builtin_short; | |
964 | else if (reg->bitsize == gdbarch_int_bit (gdbarch)) | |
965 | arch_reg->type = builtin_type (gdbarch)->builtin_int; | |
966 | else if (reg->bitsize == gdbarch_long_long_bit (gdbarch)) | |
967 | arch_reg->type = builtin_type (gdbarch)->builtin_long_long; | |
968 | else if (reg->bitsize == gdbarch_ptr_bit (gdbarch)) | |
c378eb4e | 969 | /* A bit desperate by this point... */ |
ad068eab UW |
970 | arch_reg->type = builtin_type (gdbarch)->builtin_data_ptr; |
971 | else | |
972 | { | |
973 | warning (_("Register \"%s\" has an unsupported size (%d bits)"), | |
a8142ee1 | 974 | reg->name.c_str (), reg->bitsize); |
ad068eab UW |
975 | arch_reg->type = builtin_type (gdbarch)->builtin_long; |
976 | } | |
977 | } | |
978 | ||
979 | if (arch_reg->type == NULL) | |
980 | internal_error (__FILE__, __LINE__, | |
981 | "Register \"%s\" has an unknown type \"%s\"", | |
a8142ee1 | 982 | reg->name.c_str (), reg->type.c_str ()); |
123dc839 | 983 | } |
123dc839 | 984 | |
ad068eab | 985 | return arch_reg->type; |
123dc839 DJ |
986 | } |
987 | ||
988 | static int | |
989 | tdesc_remote_register_number (struct gdbarch *gdbarch, int regno) | |
990 | { | |
991 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); | |
992 | ||
993 | if (reg != NULL) | |
994 | return reg->target_regnum; | |
995 | else | |
996 | return -1; | |
997 | } | |
998 | ||
999 | /* Check whether REGNUM is a member of REGGROUP. Registers from the | |
cef0f868 SH |
1000 | target description may be classified as general, float, vector or other |
1001 | register groups registered with reggroup_add(). Unlike a gdbarch | |
1002 | register_reggroup_p method, this function will return -1 if it does not | |
1003 | know; the caller should handle registers with no specified group. | |
1004 | ||
1005 | The names of containing features are not used. This might be extended | |
1006 | to display registers in some more useful groupings. | |
123dc839 DJ |
1007 | |
1008 | The save-restore flag is also implemented here. */ | |
1009 | ||
f8b73d13 DJ |
1010 | int |
1011 | tdesc_register_in_reggroup_p (struct gdbarch *gdbarch, int regno, | |
1012 | struct reggroup *reggroup) | |
123dc839 | 1013 | { |
123dc839 DJ |
1014 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); |
1015 | ||
440cf44e LM |
1016 | if (reg != NULL && !reg->group.empty () |
1017 | && (reg->group == reggroup_name (reggroup))) | |
cef0f868 | 1018 | return 1; |
123dc839 | 1019 | |
440cf44e LM |
1020 | if (reg != NULL |
1021 | && (reggroup == save_reggroup || reggroup == restore_reggroup)) | |
1022 | return reg->save_restore; | |
123dc839 | 1023 | |
f8b73d13 DJ |
1024 | return -1; |
1025 | } | |
1026 | ||
1027 | /* Check whether REGNUM is a member of REGGROUP. Registers with no | |
1028 | group specified go to the default reggroup function and are handled | |
1029 | by type. */ | |
1030 | ||
1031 | static int | |
1032 | tdesc_register_reggroup_p (struct gdbarch *gdbarch, int regno, | |
1033 | struct reggroup *reggroup) | |
1034 | { | |
1035 | int num_regs = gdbarch_num_regs (gdbarch); | |
1036 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
1037 | int ret; | |
1038 | ||
1039 | if (regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
1040 | { | |
19ba03f4 SM |
1041 | struct tdesc_arch_data *data |
1042 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
5d502164 | 1043 | |
58d6951d DJ |
1044 | if (data->pseudo_register_reggroup_p != NULL) |
1045 | return data->pseudo_register_reggroup_p (gdbarch, regno, reggroup); | |
1046 | /* Otherwise fall through to the default reggroup_p. */ | |
f8b73d13 DJ |
1047 | } |
1048 | ||
1049 | ret = tdesc_register_in_reggroup_p (gdbarch, regno, reggroup); | |
1050 | if (ret != -1) | |
1051 | return ret; | |
1052 | ||
123dc839 DJ |
1053 | return default_register_reggroup_p (gdbarch, regno, reggroup); |
1054 | } | |
1055 | ||
1056 | /* Record architecture-specific functions to call for pseudo-register | |
1057 | support. */ | |
1058 | ||
1059 | void | |
1060 | set_tdesc_pseudo_register_name (struct gdbarch *gdbarch, | |
1061 | gdbarch_register_name_ftype *pseudo_name) | |
1062 | { | |
19ba03f4 SM |
1063 | struct tdesc_arch_data *data |
1064 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
123dc839 DJ |
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 | { | |
19ba03f4 SM |
1073 | struct tdesc_arch_data *data |
1074 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
123dc839 DJ |
1075 | |
1076 | data->pseudo_register_type = pseudo_type; | |
1077 | } | |
1078 | ||
1079 | void | |
1080 | set_tdesc_pseudo_register_reggroup_p | |
1081 | (struct gdbarch *gdbarch, | |
1082 | gdbarch_register_reggroup_p_ftype *pseudo_reggroup_p) | |
1083 | { | |
19ba03f4 SM |
1084 | struct tdesc_arch_data *data |
1085 | = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); | |
123dc839 DJ |
1086 | |
1087 | data->pseudo_register_reggroup_p = pseudo_reggroup_p; | |
1088 | } | |
1089 | ||
1090 | /* Update GDBARCH to use the target description for registers. */ | |
1091 | ||
1092 | void | |
1093 | tdesc_use_registers (struct gdbarch *gdbarch, | |
7cc46491 | 1094 | const struct target_desc *target_desc, |
c1e1314d | 1095 | tdesc_arch_data_up &&early_data, |
be64fd07 | 1096 | tdesc_unknown_register_ftype unk_reg_cb) |
123dc839 DJ |
1097 | { |
1098 | int num_regs = gdbarch_num_regs (gdbarch); | |
123dc839 | 1099 | struct tdesc_arch_data *data; |
123dc839 | 1100 | |
123dc839 DJ |
1101 | /* We can't use the description for registers if it doesn't describe |
1102 | any. This function should only be called after validating | |
1103 | registers, so the caller should know that registers are | |
1104 | included. */ | |
1105 | gdb_assert (tdesc_has_registers (target_desc)); | |
1106 | ||
19ba03f4 | 1107 | data = (struct tdesc_arch_data *) gdbarch_data (gdbarch, tdesc_data); |
c1e1314d | 1108 | data->arch_regs = std::move (early_data->arch_regs); |
123dc839 DJ |
1109 | |
1110 | /* Build up a set of all registers, so that we can assign register | |
1111 | numbers where needed. The hash table expands as necessary, so | |
1112 | the initial size is arbitrary. */ | |
eb53f105 TT |
1113 | htab_up reg_hash (htab_create (37, htab_hash_pointer, htab_eq_pointer, |
1114 | NULL)); | |
3eea796c | 1115 | for (const tdesc_feature_up &feature : target_desc->features) |
c9c895b9 | 1116 | for (const tdesc_reg_up ® : feature->registers) |
123dc839 | 1117 | { |
eb53f105 | 1118 | void **slot = htab_find_slot (reg_hash.get (), reg.get (), INSERT); |
123dc839 | 1119 | |
c9c895b9 | 1120 | *slot = reg.get (); |
cef0f868 SH |
1121 | /* Add reggroup if its new. */ |
1122 | if (!reg->group.empty ()) | |
1123 | if (reggroup_find (gdbarch, reg->group.c_str ()) == NULL) | |
1124 | reggroup_add (gdbarch, reggroup_gdbarch_new (gdbarch, | |
1125 | reg->group.c_str (), | |
1126 | USER_REGGROUP)); | |
123dc839 DJ |
1127 | } |
1128 | ||
1129 | /* Remove any registers which were assigned numbers by the | |
1130 | architecture. */ | |
f0cddbef SM |
1131 | for (const tdesc_arch_reg &arch_reg : data->arch_regs) |
1132 | if (arch_reg.reg != NULL) | |
eb53f105 | 1133 | htab_remove_elt (reg_hash.get (), arch_reg.reg); |
123dc839 DJ |
1134 | |
1135 | /* Assign numbers to the remaining registers and add them to the | |
f57d151a | 1136 | list of registers. The new numbers are always above gdbarch_num_regs. |
123dc839 DJ |
1137 | Iterate over the features, not the hash table, so that the order |
1138 | matches that in the target description. */ | |
1139 | ||
f0cddbef SM |
1140 | gdb_assert (data->arch_regs.size () <= num_regs); |
1141 | while (data->arch_regs.size () < num_regs) | |
1142 | data->arch_regs.emplace_back (nullptr, nullptr); | |
1143 | ||
be64fd07 AB |
1144 | /* First we give the target a chance to number previously unknown |
1145 | registers. This allows targets to record the numbers assigned based | |
1146 | on which feature the register was from. */ | |
1147 | if (unk_reg_cb != NULL) | |
1148 | { | |
1149 | for (const tdesc_feature_up &feature : target_desc->features) | |
1150 | for (const tdesc_reg_up ® : feature->registers) | |
eb53f105 | 1151 | if (htab_find (reg_hash.get (), reg.get ()) != NULL) |
be64fd07 AB |
1152 | { |
1153 | int regno = unk_reg_cb (gdbarch, feature.get (), | |
1154 | reg->name.c_str (), num_regs); | |
1155 | gdb_assert (regno == -1 || regno >= num_regs); | |
1156 | if (regno != -1) | |
1157 | { | |
1158 | while (regno >= data->arch_regs.size ()) | |
1159 | data->arch_regs.emplace_back (nullptr, nullptr); | |
1160 | data->arch_regs[regno] = tdesc_arch_reg (reg.get (), NULL); | |
1161 | num_regs = regno + 1; | |
eb53f105 | 1162 | htab_remove_elt (reg_hash.get (), reg.get ()); |
be64fd07 AB |
1163 | } |
1164 | } | |
1165 | } | |
1166 | ||
1167 | /* Ensure the array was sized correctly above. */ | |
1168 | gdb_assert (data->arch_regs.size () == num_regs); | |
1169 | ||
1170 | /* Now in a final pass we assign register numbers to any remaining | |
1171 | unnumbered registers. */ | |
3eea796c | 1172 | for (const tdesc_feature_up &feature : target_desc->features) |
c9c895b9 | 1173 | for (const tdesc_reg_up ® : feature->registers) |
eb53f105 | 1174 | if (htab_find (reg_hash.get (), reg.get ()) != NULL) |
123dc839 | 1175 | { |
f0cddbef | 1176 | data->arch_regs.emplace_back (reg.get (), nullptr); |
123dc839 DJ |
1177 | num_regs++; |
1178 | } | |
1179 | ||
123dc839 DJ |
1180 | /* Update the architecture. */ |
1181 | set_gdbarch_num_regs (gdbarch, num_regs); | |
1182 | set_gdbarch_register_name (gdbarch, tdesc_register_name); | |
1183 | set_gdbarch_register_type (gdbarch, tdesc_register_type); | |
1184 | set_gdbarch_remote_register_number (gdbarch, | |
1185 | tdesc_remote_register_number); | |
1186 | set_gdbarch_register_reggroup_p (gdbarch, tdesc_register_reggroup_p); | |
1187 | } | |
123dc839 | 1188 | |
268a13a5 | 1189 | /* See gdbsupport/tdesc.h. */ |
f49ff000 | 1190 | |
123dc839 | 1191 | struct tdesc_feature * |
3b74854b | 1192 | tdesc_create_feature (struct target_desc *tdesc, const char *name) |
123dc839 | 1193 | { |
72ddacb7 | 1194 | struct tdesc_feature *new_feature = new tdesc_feature (name); |
123dc839 | 1195 | |
3eea796c SM |
1196 | tdesc->features.emplace_back (new_feature); |
1197 | ||
123dc839 DJ |
1198 | return new_feature; |
1199 | } | |
1200 | ||
0e267416 AB |
1201 | /* See gdbsupport/tdesc.h. */ |
1202 | ||
51a948fd | 1203 | target_desc_up |
424163ea DJ |
1204 | allocate_target_description (void) |
1205 | { | |
51a948fd | 1206 | return target_desc_up (new target_desc ()); |
424163ea | 1207 | } |
29709017 | 1208 | |
0e267416 AB |
1209 | /* See gdbsupport/tdesc.h. */ |
1210 | ||
c55d06ec TT |
1211 | void |
1212 | target_desc_deleter::operator() (struct target_desc *target_desc) const | |
23181151 | 1213 | { |
b468ff4c | 1214 | delete target_desc; |
23181151 DJ |
1215 | } |
1216 | ||
e35359c5 UW |
1217 | void |
1218 | tdesc_add_compatible (struct target_desc *target_desc, | |
1219 | const struct bfd_arch_info *compatible) | |
1220 | { | |
e35359c5 UW |
1221 | /* If this instance of GDB is compiled without BFD support for the |
1222 | compatible architecture, simply ignore it -- we would not be able | |
1223 | to handle it anyway. */ | |
1224 | if (compatible == NULL) | |
1225 | return; | |
1226 | ||
fbf42f4e AB |
1227 | for (const tdesc_compatible_info_up &compat : target_desc->compatible) |
1228 | if (compat->arch () == compatible) | |
e35359c5 UW |
1229 | internal_error (__FILE__, __LINE__, |
1230 | _("Attempted to add duplicate " | |
1231 | "compatible architecture \"%s\""), | |
1232 | compatible->printable_name); | |
1233 | ||
fbf42f4e AB |
1234 | target_desc->compatible.push_back |
1235 | (std::unique_ptr<tdesc_compatible_info> | |
1236 | (new tdesc_compatible_info (compatible))); | |
e35359c5 UW |
1237 | } |
1238 | ||
29709017 DJ |
1239 | void |
1240 | set_tdesc_property (struct target_desc *target_desc, | |
1241 | const char *key, const char *value) | |
1242 | { | |
29709017 DJ |
1243 | gdb_assert (key != NULL && value != NULL); |
1244 | ||
129c10bc SM |
1245 | if (tdesc_property (target_desc, key) != NULL) |
1246 | internal_error (__FILE__, __LINE__, | |
1247 | _("Attempted to add duplicate property \"%s\""), key); | |
29709017 | 1248 | |
129c10bc | 1249 | target_desc->properties.emplace_back (key, value); |
29709017 | 1250 | } |
23181151 | 1251 | |
268a13a5 | 1252 | /* See gdbsupport/tdesc.h. */ |
5f035c07 YQ |
1253 | |
1254 | void | |
1255 | set_tdesc_architecture (struct target_desc *target_desc, | |
1256 | const char *name) | |
1257 | { | |
1258 | set_tdesc_architecture (target_desc, bfd_scan_arch (name)); | |
1259 | } | |
1260 | ||
23181151 DJ |
1261 | void |
1262 | set_tdesc_architecture (struct target_desc *target_desc, | |
1263 | const struct bfd_arch_info *arch) | |
1264 | { | |
1265 | target_desc->arch = arch; | |
1266 | } | |
08d16641 | 1267 | |
268a13a5 | 1268 | /* See gdbsupport/tdesc.h. */ |
5f035c07 YQ |
1269 | |
1270 | void | |
1271 | set_tdesc_osabi (struct target_desc *target_desc, const char *name) | |
1272 | { | |
1273 | set_tdesc_osabi (target_desc, osabi_from_tdesc_string (name)); | |
1274 | } | |
1275 | ||
08d16641 PA |
1276 | void |
1277 | set_tdesc_osabi (struct target_desc *target_desc, enum gdb_osabi osabi) | |
1278 | { | |
1279 | target_desc->osabi = osabi; | |
1280 | } | |
23181151 DJ |
1281 | \f |
1282 | ||
1283 | static struct cmd_list_element *tdesc_set_cmdlist, *tdesc_show_cmdlist; | |
1284 | static struct cmd_list_element *tdesc_unset_cmdlist; | |
1285 | ||
1286 | /* Helper functions for the CLI commands. */ | |
1287 | ||
23181151 | 1288 | static void |
eb4c3f4a | 1289 | set_tdesc_filename_cmd (const char *args, int from_tty, |
23181151 DJ |
1290 | struct cmd_list_element *c) |
1291 | { | |
c2962e6a SM |
1292 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
1293 | ||
91e3c425 | 1294 | tdesc_info->filename = tdesc_filename_cmd_string; |
6ecd4729 | 1295 | |
23181151 DJ |
1296 | target_clear_description (); |
1297 | target_find_description (); | |
1298 | } | |
1299 | ||
1300 | static void | |
1301 | show_tdesc_filename_cmd (struct ui_file *file, int from_tty, | |
1302 | struct cmd_list_element *c, | |
1303 | const char *value) | |
1304 | { | |
91e3c425 | 1305 | value = get_tdesc_info (current_inferior ())->filename.data (); |
6ecd4729 | 1306 | |
23181151 | 1307 | if (value != NULL && *value != '\0') |
3e43a32a | 1308 | printf_filtered (_("The target description will be read from \"%s\".\n"), |
23181151 DJ |
1309 | value); |
1310 | else | |
3e43a32a MS |
1311 | printf_filtered (_("The target description will be " |
1312 | "read from the target.\n")); | |
23181151 DJ |
1313 | } |
1314 | ||
1315 | static void | |
e100df1a | 1316 | unset_tdesc_filename_cmd (const char *args, int from_tty) |
23181151 | 1317 | { |
c2962e6a SM |
1318 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
1319 | ||
91e3c425 | 1320 | tdesc_info->filename.clear (); |
23181151 DJ |
1321 | target_clear_description (); |
1322 | target_find_description (); | |
1323 | } | |
1324 | ||
6eb1e6a8 YQ |
1325 | /* Print target description in C. */ |
1326 | ||
1327 | class print_c_tdesc : public tdesc_element_visitor | |
1328 | { | |
1329 | public: | |
1330 | print_c_tdesc (std::string &filename_after_features) | |
1331 | : m_filename_after_features (filename_after_features) | |
1332 | { | |
1333 | const char *inp; | |
1334 | char *outp; | |
1335 | const char *filename = lbasename (m_filename_after_features.c_str ()); | |
1336 | ||
1337 | m_function = (char *) xmalloc (strlen (filename) + 1); | |
1338 | for (inp = filename, outp = m_function; *inp != '\0'; inp++) | |
1339 | if (*inp == '.') | |
1340 | break; | |
1341 | else if (*inp == '-') | |
1342 | *outp++ = '_'; | |
20821f4e AB |
1343 | else if (*inp == ' ') |
1344 | *outp++ = '_'; | |
6eb1e6a8 YQ |
1345 | else |
1346 | *outp++ = *inp; | |
1347 | *outp = '\0'; | |
1348 | ||
1349 | /* Standard boilerplate. */ | |
1350 | printf_unfiltered ("/* THIS FILE IS GENERATED. " | |
1351 | "-*- buffer-read-only: t -*- vi" | |
1352 | ":set ro:\n"); | |
6eb1e6a8 YQ |
1353 | } |
1354 | ||
1355 | ~print_c_tdesc () | |
1356 | { | |
1357 | xfree (m_function); | |
1358 | } | |
1359 | ||
1360 | void visit_pre (const target_desc *e) override | |
1361 | { | |
25aa13e5 YQ |
1362 | printf_unfiltered (" Original: %s */\n\n", |
1363 | lbasename (m_filename_after_features.c_str ())); | |
1364 | ||
6eb1e6a8 YQ |
1365 | printf_unfiltered ("#include \"defs.h\"\n"); |
1366 | printf_unfiltered ("#include \"osabi.h\"\n"); | |
1367 | printf_unfiltered ("#include \"target-descriptions.h\"\n"); | |
1368 | printf_unfiltered ("\n"); | |
1369 | ||
1370 | printf_unfiltered ("struct target_desc *tdesc_%s;\n", m_function); | |
1371 | printf_unfiltered ("static void\n"); | |
1372 | printf_unfiltered ("initialize_tdesc_%s (void)\n", m_function); | |
1373 | printf_unfiltered ("{\n"); | |
1374 | printf_unfiltered | |
51a948fd | 1375 | (" target_desc_up result = allocate_target_description ();\n"); |
6eb1e6a8 YQ |
1376 | |
1377 | if (tdesc_architecture (e) != NULL) | |
1378 | { | |
1379 | printf_unfiltered | |
51a948fd | 1380 | (" set_tdesc_architecture (result.get (), bfd_scan_arch (\"%s\"));\n", |
6eb1e6a8 YQ |
1381 | tdesc_architecture (e)->printable_name); |
1382 | printf_unfiltered ("\n"); | |
1383 | } | |
1384 | if (tdesc_osabi (e) > GDB_OSABI_UNKNOWN | |
1385 | && tdesc_osabi (e) < GDB_OSABI_INVALID) | |
1386 | { | |
1387 | printf_unfiltered | |
51a948fd | 1388 | (" set_tdesc_osabi (result.get (), osabi_from_tdesc_string (\"%s\"));\n", |
6eb1e6a8 YQ |
1389 | gdbarch_osabi_name (tdesc_osabi (e))); |
1390 | printf_unfiltered ("\n"); | |
1391 | } | |
1392 | ||
fbf42f4e | 1393 | for (const tdesc_compatible_info_up &compatible : e->compatible) |
40e2a983 | 1394 | printf_unfiltered |
51a948fd | 1395 | (" tdesc_add_compatible (result.get (), bfd_scan_arch (\"%s\"));\n", |
fbf42f4e | 1396 | compatible->arch ()->printable_name); |
6eb1e6a8 | 1397 | |
40e2a983 | 1398 | if (!e->compatible.empty ()) |
6eb1e6a8 YQ |
1399 | printf_unfiltered ("\n"); |
1400 | ||
129c10bc | 1401 | for (const property &prop : e->properties) |
51a948fd | 1402 | printf_unfiltered (" set_tdesc_property (result.get (), \"%s\", \"%s\");\n", |
129c10bc SM |
1403 | prop.key.c_str (), prop.value.c_str ()); |
1404 | ||
6eb1e6a8 YQ |
1405 | printf_unfiltered (" struct tdesc_feature *feature;\n"); |
1406 | } | |
1407 | ||
25aa13e5 | 1408 | void visit_pre (const tdesc_feature *e) override |
6eb1e6a8 | 1409 | { |
51a948fd | 1410 | printf_unfiltered ("\n feature = tdesc_create_feature (result.get (), \"%s\");\n", |
f65ff9f9 | 1411 | e->name.c_str ()); |
6eb1e6a8 YQ |
1412 | } |
1413 | ||
25aa13e5 YQ |
1414 | void visit_post (const tdesc_feature *e) override |
1415 | {} | |
1416 | ||
6eb1e6a8 YQ |
1417 | void visit_post (const target_desc *e) override |
1418 | { | |
51a948fd | 1419 | printf_unfiltered ("\n tdesc_%s = result.release ();\n", m_function); |
6eb1e6a8 YQ |
1420 | printf_unfiltered ("}\n"); |
1421 | } | |
1422 | ||
d4a0e8b5 SM |
1423 | void visit (const tdesc_type_builtin *type) override |
1424 | { | |
1425 | error (_("C output is not supported type \"%s\"."), type->name.c_str ()); | |
1426 | } | |
1427 | ||
1428 | void visit (const tdesc_type_vector *type) override | |
6eb1e6a8 | 1429 | { |
d4a0e8b5 | 1430 | if (!m_printed_element_type) |
6eb1e6a8 | 1431 | { |
d4a0e8b5 SM |
1432 | printf_unfiltered (" tdesc_type *element_type;\n"); |
1433 | m_printed_element_type = true; | |
6eb1e6a8 YQ |
1434 | } |
1435 | ||
d4a0e8b5 SM |
1436 | printf_unfiltered |
1437 | (" element_type = tdesc_named_type (feature, \"%s\");\n", | |
1438 | type->element_type->name.c_str ()); | |
1439 | printf_unfiltered | |
1440 | (" tdesc_create_vector (feature, \"%s\", element_type, %d);\n", | |
1441 | type->name.c_str (), type->count); | |
1442 | ||
1443 | printf_unfiltered ("\n"); | |
1444 | } | |
1445 | ||
1446 | void visit (const tdesc_type_with_fields *type) override | |
1447 | { | |
1448 | if (!m_printed_type_with_fields) | |
6eb1e6a8 | 1449 | { |
d4a0e8b5 SM |
1450 | printf_unfiltered (" tdesc_type_with_fields *type_with_fields;\n"); |
1451 | m_printed_type_with_fields = true; | |
1452 | } | |
1453 | ||
6eb1e6a8 YQ |
1454 | switch (type->kind) |
1455 | { | |
6eb1e6a8 YQ |
1456 | case TDESC_TYPE_STRUCT: |
1457 | case TDESC_TYPE_FLAGS: | |
1458 | if (type->kind == TDESC_TYPE_STRUCT) | |
1459 | { | |
1460 | printf_unfiltered | |
d4a0e8b5 | 1461 | (" type_with_fields = tdesc_create_struct (feature, \"%s\");\n", |
082b9140 | 1462 | type->name.c_str ()); |
d4a0e8b5 | 1463 | if (type->size != 0) |
6eb1e6a8 | 1464 | printf_unfiltered |
d4a0e8b5 | 1465 | (" tdesc_set_struct_size (type_with_fields, %d);\n", type->size); |
6eb1e6a8 YQ |
1466 | } |
1467 | else | |
1468 | { | |
1469 | printf_unfiltered | |
d4a0e8b5 SM |
1470 | (" type_with_fields = tdesc_create_flags (feature, \"%s\", %d);\n", |
1471 | type->name.c_str (), type->size); | |
6eb1e6a8 | 1472 | } |
d4a0e8b5 | 1473 | for (const tdesc_type_field &f : type->fields) |
6eb1e6a8 YQ |
1474 | { |
1475 | const char *type_name; | |
1476 | ||
d05200d1 SM |
1477 | gdb_assert (f.type != NULL); |
1478 | type_name = f.type->name.c_str (); | |
6eb1e6a8 YQ |
1479 | |
1480 | /* To minimize changes to generated files, don't emit type | |
1481 | info for fields that have defaulted types. */ | |
d05200d1 | 1482 | if (f.start != -1) |
6eb1e6a8 | 1483 | { |
d05200d1 SM |
1484 | gdb_assert (f.end != -1); |
1485 | if (f.type->kind == TDESC_TYPE_BOOL) | |
6eb1e6a8 | 1486 | { |
d05200d1 | 1487 | gdb_assert (f.start == f.end); |
6eb1e6a8 | 1488 | printf_unfiltered |
d4a0e8b5 | 1489 | (" tdesc_add_flag (type_with_fields, %d, \"%s\");\n", |
d05200d1 | 1490 | f.start, f.name.c_str ()); |
6eb1e6a8 | 1491 | } |
d4a0e8b5 SM |
1492 | else if ((type->size == 4 && f.type->kind == TDESC_TYPE_UINT32) |
1493 | || (type->size == 8 | |
d05200d1 | 1494 | && f.type->kind == TDESC_TYPE_UINT64)) |
6eb1e6a8 YQ |
1495 | { |
1496 | printf_unfiltered | |
d4a0e8b5 | 1497 | (" tdesc_add_bitfield (type_with_fields, \"%s\", %d, %d);\n", |
d05200d1 | 1498 | f.name.c_str (), f.start, f.end); |
6eb1e6a8 YQ |
1499 | } |
1500 | else | |
1501 | { | |
a8d2e585 SM |
1502 | printf_field_type_assignment |
1503 | ("tdesc_named_type (feature, \"%s\");\n", | |
6eb1e6a8 YQ |
1504 | type_name); |
1505 | printf_unfiltered | |
d4a0e8b5 | 1506 | (" tdesc_add_typed_bitfield (type_with_fields, \"%s\"," |
6eb1e6a8 | 1507 | " %d, %d, field_type);\n", |
d05200d1 | 1508 | f.name.c_str (), f.start, f.end); |
6eb1e6a8 YQ |
1509 | } |
1510 | } | |
1511 | else /* Not a bitfield. */ | |
1512 | { | |
d05200d1 | 1513 | gdb_assert (f.end == -1); |
6eb1e6a8 | 1514 | gdb_assert (type->kind == TDESC_TYPE_STRUCT); |
a8d2e585 SM |
1515 | printf_field_type_assignment |
1516 | ("tdesc_named_type (feature, \"%s\");\n", type_name); | |
6eb1e6a8 | 1517 | printf_unfiltered |
d4a0e8b5 | 1518 | (" tdesc_add_field (type_with_fields, \"%s\", field_type);\n", |
d05200d1 | 1519 | f.name.c_str ()); |
6eb1e6a8 YQ |
1520 | } |
1521 | } | |
1522 | break; | |
1523 | case TDESC_TYPE_UNION: | |
1524 | printf_unfiltered | |
d4a0e8b5 | 1525 | (" type_with_fields = tdesc_create_union (feature, \"%s\");\n", |
082b9140 | 1526 | type->name.c_str ()); |
d4a0e8b5 | 1527 | for (const tdesc_type_field &f : type->fields) |
6eb1e6a8 | 1528 | { |
a8d2e585 SM |
1529 | printf_field_type_assignment |
1530 | ("tdesc_named_type (feature, \"%s\");\n", f.type->name.c_str ()); | |
6eb1e6a8 | 1531 | printf_unfiltered |
d4a0e8b5 | 1532 | (" tdesc_add_field (type_with_fields, \"%s\", field_type);\n", |
d05200d1 | 1533 | f.name.c_str ()); |
6eb1e6a8 YQ |
1534 | } |
1535 | break; | |
1536 | case TDESC_TYPE_ENUM: | |
1537 | printf_unfiltered | |
d4a0e8b5 SM |
1538 | (" type_with_fields = tdesc_create_enum (feature, \"%s\", %d);\n", |
1539 | type->name.c_str (), type->size); | |
1540 | for (const tdesc_type_field &f : type->fields) | |
6eb1e6a8 | 1541 | printf_unfiltered |
d4a0e8b5 | 1542 | (" tdesc_add_enum_value (type_with_fields, %d, \"%s\");\n", |
d05200d1 | 1543 | f.start, f.name.c_str ()); |
6eb1e6a8 YQ |
1544 | break; |
1545 | default: | |
082b9140 | 1546 | error (_("C output is not supported type \"%s\"."), type->name.c_str ()); |
6eb1e6a8 | 1547 | } |
d4a0e8b5 | 1548 | |
6eb1e6a8 YQ |
1549 | printf_unfiltered ("\n"); |
1550 | } | |
1551 | ||
1552 | void visit (const tdesc_reg *reg) override | |
1553 | { | |
1554 | printf_unfiltered (" tdesc_create_reg (feature, \"%s\", %ld, %d, ", | |
a8142ee1 SM |
1555 | reg->name.c_str (), reg->target_regnum, |
1556 | reg->save_restore); | |
1557 | if (!reg->group.empty ()) | |
1558 | printf_unfiltered ("\"%s\", ", reg->group.c_str ()); | |
6eb1e6a8 YQ |
1559 | else |
1560 | printf_unfiltered ("NULL, "); | |
a8142ee1 | 1561 | printf_unfiltered ("%d, \"%s\");\n", reg->bitsize, reg->type.c_str ()); |
6eb1e6a8 YQ |
1562 | } |
1563 | ||
25aa13e5 YQ |
1564 | protected: |
1565 | std::string m_filename_after_features; | |
1566 | ||
6eb1e6a8 | 1567 | private: |
a8d2e585 SM |
1568 | |
1569 | /* Print an assignment to the field_type variable. Print the declaration | |
1570 | of field_type if that has not been done yet. */ | |
6e8c24fe | 1571 | ATTRIBUTE_PRINTF (2, 3) |
a8d2e585 SM |
1572 | void printf_field_type_assignment (const char *fmt, ...) |
1573 | { | |
1574 | if (!m_printed_field_type) | |
1575 | { | |
1576 | printf_unfiltered (" tdesc_type *field_type;\n"); | |
1577 | m_printed_field_type = true; | |
1578 | } | |
1579 | ||
1580 | printf_unfiltered (" field_type = "); | |
1581 | ||
1582 | va_list args; | |
1583 | va_start (args, fmt); | |
1584 | vprintf_unfiltered (fmt, args); | |
1585 | va_end (args); | |
1586 | } | |
1587 | ||
6eb1e6a8 | 1588 | char *m_function; |
d4a0e8b5 SM |
1589 | |
1590 | /* Did we print "struct tdesc_type *element_type;" yet? */ | |
1591 | bool m_printed_element_type = false; | |
1592 | ||
1593 | /* Did we print "struct tdesc_type_with_fields *element_type;" yet? */ | |
1594 | bool m_printed_type_with_fields = false; | |
1595 | ||
1596 | /* Did we print "struct tdesc_type *field_type;" yet? */ | |
6eb1e6a8 | 1597 | bool m_printed_field_type = false; |
6eb1e6a8 YQ |
1598 | }; |
1599 | ||
25aa13e5 YQ |
1600 | /* Print target description feature in C. */ |
1601 | ||
1602 | class print_c_feature : public print_c_tdesc | |
1603 | { | |
1604 | public: | |
1605 | print_c_feature (std::string &file) | |
1606 | : print_c_tdesc (file) | |
1607 | { | |
1608 | /* Trim ".tmp". */ | |
1609 | auto const pos = m_filename_after_features.find_last_of ('.'); | |
1610 | ||
1611 | m_filename_after_features = m_filename_after_features.substr (0, pos); | |
1612 | } | |
1613 | ||
1614 | void visit_pre (const target_desc *e) override | |
1615 | { | |
1616 | printf_unfiltered (" Original: %s */\n\n", | |
1617 | lbasename (m_filename_after_features.c_str ())); | |
1618 | ||
268a13a5 | 1619 | printf_unfiltered ("#include \"gdbsupport/tdesc.h\"\n"); |
25aa13e5 YQ |
1620 | printf_unfiltered ("\n"); |
1621 | } | |
1622 | ||
1623 | void visit_post (const target_desc *e) override | |
1624 | {} | |
1625 | ||
1626 | void visit_pre (const tdesc_feature *e) override | |
1627 | { | |
1628 | std::string name (m_filename_after_features); | |
1629 | ||
1630 | auto pos = name.find_first_of ('.'); | |
1631 | ||
1632 | name = name.substr (0, pos); | |
1633 | std::replace (name.begin (), name.end (), '/', '_'); | |
1634 | std::replace (name.begin (), name.end (), '-', '_'); | |
1635 | ||
1636 | printf_unfiltered ("static int\n"); | |
1637 | printf_unfiltered ("create_feature_%s ", name.c_str ()); | |
1638 | printf_unfiltered ("(struct target_desc *result, long regnum)\n"); | |
1639 | ||
1640 | printf_unfiltered ("{\n"); | |
1641 | printf_unfiltered (" struct tdesc_feature *feature;\n"); | |
0abe8a89 YQ |
1642 | |
1643 | printf_unfiltered | |
3b74854b AH |
1644 | ("\n feature = tdesc_create_feature (result, \"%s\");\n", |
1645 | e->name.c_str ()); | |
25aa13e5 YQ |
1646 | } |
1647 | ||
1648 | void visit_post (const tdesc_feature *e) override | |
1649 | { | |
1650 | printf_unfiltered (" return regnum;\n"); | |
1651 | printf_unfiltered ("}\n"); | |
1652 | } | |
1653 | ||
1654 | void visit (const tdesc_reg *reg) override | |
1655 | { | |
ea03d0d3 YQ |
1656 | /* Most "reg" in XML target descriptions don't have "regnum" |
1657 | attribute, so the register number is allocated sequentially. | |
1658 | In case that reg has "regnum" attribute, register number | |
1659 | should be set by that explicitly. */ | |
1660 | ||
1661 | if (reg->target_regnum < m_next_regnum) | |
1662 | { | |
1663 | /* The integrity check, it can catch some errors on register | |
1664 | number collision, like this, | |
1665 | ||
1666 | <reg name="x0" bitsize="32"/> | |
1667 | <reg name="x1" bitsize="32"/> | |
1668 | <reg name="x2" bitsize="32"/> | |
1669 | <reg name="x3" bitsize="32"/> | |
1670 | <reg name="ps" bitsize="32" regnum="3"/> | |
1671 | ||
1672 | but it also has false negatives. The target description | |
1673 | below is correct, | |
1674 | ||
1675 | <reg name="x1" bitsize="32" regnum="1"/> | |
1676 | <reg name="x3" bitsize="32" regnum="3"/> | |
1677 | <reg name="x2" bitsize="32" regnum="2"/> | |
1678 | <reg name="x4" bitsize="32" regnum="4"/> | |
1679 | ||
1680 | but it is not a good practice, so still error on this, | |
1681 | and also print the message so that it can be saved in the | |
1682 | generated c file. */ | |
1683 | ||
1684 | printf_unfiltered ("ERROR: \"regnum\" attribute %ld ", | |
1685 | reg->target_regnum); | |
1686 | printf_unfiltered ("is not the largest number (%d).\n", | |
1687 | m_next_regnum); | |
1688 | error (_("\"regnum\" attribute %ld is not the largest number (%d)."), | |
1689 | reg->target_regnum, m_next_regnum); | |
1690 | } | |
1691 | ||
1692 | if (reg->target_regnum > m_next_regnum) | |
1693 | { | |
1694 | printf_unfiltered (" regnum = %ld;\n", reg->target_regnum); | |
1695 | m_next_regnum = reg->target_regnum; | |
1696 | } | |
1697 | ||
25aa13e5 | 1698 | printf_unfiltered (" tdesc_create_reg (feature, \"%s\", regnum++, %d, ", |
a8142ee1 SM |
1699 | reg->name.c_str (), reg->save_restore); |
1700 | if (!reg->group.empty ()) | |
1701 | printf_unfiltered ("\"%s\", ", reg->group.c_str ()); | |
25aa13e5 YQ |
1702 | else |
1703 | printf_unfiltered ("NULL, "); | |
a8142ee1 | 1704 | printf_unfiltered ("%d, \"%s\");\n", reg->bitsize, reg->type.c_str ()); |
ea03d0d3 YQ |
1705 | |
1706 | m_next_regnum++; | |
25aa13e5 YQ |
1707 | } |
1708 | ||
ea03d0d3 YQ |
1709 | private: |
1710 | /* The register number to use for the next register we see. */ | |
1711 | int m_next_regnum = 0; | |
25aa13e5 YQ |
1712 | }; |
1713 | ||
268a13a5 | 1714 | /* See gdbsupport/tdesc.h. */ |
e98577a9 AH |
1715 | |
1716 | const char * | |
1717 | tdesc_get_features_xml (const target_desc *tdesc) | |
1718 | { | |
1719 | if (tdesc->xmltarget == nullptr) | |
1720 | { | |
1721 | std::string buffer ("@"); | |
1722 | print_xml_feature v (&buffer); | |
1723 | tdesc->accept (v); | |
1724 | tdesc->xmltarget = xstrdup (buffer.c_str ()); | |
1725 | } | |
1726 | return tdesc->xmltarget; | |
1727 | } | |
1728 | ||
ab33b152 AB |
1729 | /* Data structures and functions to setup the option flags for 'maintenance |
1730 | print c-tdesc command. */ | |
1731 | ||
1732 | struct maint_print_c_tdesc_options | |
1733 | { | |
1734 | /* True when the '-single-feature' flag was passed. */ | |
1735 | bool single_feature = false; | |
1736 | }; | |
1737 | ||
1738 | using maint_print_c_tdesc_opt_def | |
1739 | = gdb::option::flag_option_def<maint_print_c_tdesc_options>; | |
1740 | ||
1741 | static const gdb::option::option_def maint_print_c_tdesc_opt_defs[] = { | |
1742 | maint_print_c_tdesc_opt_def { | |
1743 | "single-feature", | |
1744 | [] (maint_print_c_tdesc_options *opt) { return &opt->single_feature; }, | |
1745 | N_("Print C description of just a single feature.") | |
1746 | }, | |
1747 | }; | |
1748 | ||
1749 | static inline gdb::option::option_def_group | |
1750 | make_maint_print_c_tdesc_options_def_group (maint_print_c_tdesc_options *opts) | |
1751 | { | |
1752 | return {{maint_print_c_tdesc_opt_defs}, opts}; | |
1753 | } | |
1754 | ||
1755 | /* Implement 'maintenance print c-tdesc' command. */ | |
1756 | ||
81adfced | 1757 | static void |
e100df1a | 1758 | maint_print_c_tdesc_cmd (const char *args, int from_tty) |
81adfced DJ |
1759 | { |
1760 | const struct target_desc *tdesc; | |
6eb1e6a8 | 1761 | const char *filename; |
81adfced | 1762 | |
ab33b152 AB |
1763 | maint_print_c_tdesc_options opts; |
1764 | auto grp = make_maint_print_c_tdesc_options_def_group (&opts); | |
1765 | gdb::option::process_options | |
1766 | (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp); | |
1767 | ||
8e2141c6 YQ |
1768 | if (args == NULL) |
1769 | { | |
1770 | /* Use the global target-supplied description, not the current | |
1771 | architecture's. This lets a GDB for one architecture generate C | |
1772 | for another architecture's description, even though the gdbarch | |
1773 | initialization code will reject the new description. */ | |
c2962e6a SM |
1774 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
1775 | tdesc = tdesc_info->tdesc; | |
91e3c425 | 1776 | filename = tdesc_info->filename.data (); |
8e2141c6 YQ |
1777 | } |
1778 | else | |
1779 | { | |
1780 | /* Use the target description from the XML file. */ | |
1781 | filename = args; | |
1782 | tdesc = file_read_description_xml (filename); | |
1783 | } | |
1784 | ||
81adfced DJ |
1785 | if (tdesc == NULL) |
1786 | error (_("There is no target description to print.")); | |
1787 | ||
8e2141c6 | 1788 | if (filename == NULL) |
20821f4e | 1789 | filename = "fetched from target"; |
81adfced | 1790 | |
6eb1e6a8 YQ |
1791 | std::string filename_after_features (filename); |
1792 | auto loc = filename_after_features.rfind ("/features/"); | |
4e2f8df6 | 1793 | |
6eb1e6a8 YQ |
1794 | if (loc != std::string::npos) |
1795 | filename_after_features = filename_after_features.substr (loc + 10); | |
4e2f8df6 | 1796 | |
25aa13e5 YQ |
1797 | /* Print c files for target features instead of target descriptions, |
1798 | because c files got from target features are more flexible than the | |
1799 | counterparts. */ | |
ab33b152 | 1800 | if (opts.single_feature) |
25aa13e5 | 1801 | { |
ab33b152 AB |
1802 | if (tdesc->features.size () != 1) |
1803 | error (_("only target descriptions with 1 feature can be used " | |
1804 | "with -single-feature option")); | |
1805 | ||
25aa13e5 | 1806 | print_c_feature v (filename_after_features); |
81adfced | 1807 | |
25aa13e5 YQ |
1808 | tdesc->accept (v); |
1809 | } | |
1810 | else | |
1811 | { | |
1812 | print_c_tdesc v (filename_after_features); | |
1813 | ||
1814 | tdesc->accept (v); | |
1815 | } | |
81adfced DJ |
1816 | } |
1817 | ||
ab33b152 AB |
1818 | /* Completer for the "backtrace" command. */ |
1819 | ||
1820 | static void | |
1821 | maint_print_c_tdesc_cmd_completer (struct cmd_list_element *ignore, | |
1822 | completion_tracker &tracker, | |
1823 | const char *text, const char *word) | |
1824 | { | |
1825 | auto grp = make_maint_print_c_tdesc_options_def_group (nullptr); | |
1826 | if (gdb::option::complete_options | |
1827 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp)) | |
1828 | return; | |
1829 | ||
1830 | word = advance_to_filename_complete_word_point (tracker, text); | |
1831 | filename_completer (ignore, tracker, text, word); | |
1832 | } | |
1833 | ||
caa7fd04 AB |
1834 | /* Implement the maintenance print xml-tdesc command. */ |
1835 | ||
1836 | static void | |
1837 | maint_print_xml_tdesc_cmd (const char *args, int from_tty) | |
1838 | { | |
1839 | const struct target_desc *tdesc; | |
1840 | ||
1841 | if (args == NULL) | |
1842 | { | |
1843 | /* Use the global target-supplied description, not the current | |
1844 | architecture's. This lets a GDB for one architecture generate XML | |
1845 | for another architecture's description, even though the gdbarch | |
1846 | initialization code will reject the new description. */ | |
c2962e6a | 1847 | tdesc = get_tdesc_info (current_inferior ())->tdesc; |
caa7fd04 AB |
1848 | } |
1849 | else | |
1850 | { | |
1851 | /* Use the target description from the XML file. */ | |
1852 | tdesc = file_read_description_xml (args); | |
1853 | } | |
1854 | ||
1855 | if (tdesc == NULL) | |
1856 | error (_("There is no target description to print.")); | |
1857 | ||
1858 | std::string buf; | |
1859 | print_xml_feature v (&buf); | |
1860 | tdesc->accept (v); | |
1861 | puts_unfiltered (buf.c_str ()); | |
1862 | } | |
1863 | ||
27d41eac YQ |
1864 | namespace selftests { |
1865 | ||
1c28969e SM |
1866 | /* A reference target description, used for testing (see record_xml_tdesc). */ |
1867 | ||
1868 | struct xml_test_tdesc | |
1869 | { | |
1870 | xml_test_tdesc (const char *name, std::unique_ptr<const target_desc> &&tdesc) | |
1871 | : name (name), tdesc (std::move (tdesc)) | |
1872 | {} | |
1873 | ||
1874 | const char *name; | |
1875 | std::unique_ptr<const target_desc> tdesc; | |
1876 | }; | |
1877 | ||
1878 | static std::vector<xml_test_tdesc> xml_tdesc; | |
27d41eac YQ |
1879 | |
1880 | #if GDB_SELF_TEST | |
1881 | ||
405feb71 | 1882 | /* See target-descriptions.h. */ |
27d41eac YQ |
1883 | |
1884 | void | |
1885 | record_xml_tdesc (const char *xml_file, const struct target_desc *tdesc) | |
1886 | { | |
1c28969e | 1887 | xml_tdesc.emplace_back (xml_file, std::unique_ptr<const target_desc> (tdesc)); |
27d41eac YQ |
1888 | } |
1889 | #endif | |
1890 | ||
1891 | } | |
1892 | ||
85102364 | 1893 | /* Test the conversion process of a target description to/from xml: Take a target |
e98577a9 AH |
1894 | description TDESC, convert to xml, back to a description, and confirm the new |
1895 | tdesc is identical to the original. */ | |
1896 | static bool | |
1897 | maintenance_check_tdesc_xml_convert (const target_desc *tdesc, const char *name) | |
1898 | { | |
1899 | const char *xml = tdesc_get_features_xml (tdesc); | |
1900 | ||
1901 | if (xml == nullptr || *xml != '@') | |
1902 | { | |
1903 | printf_filtered (_("Could not convert description for %s to xml.\n"), | |
1904 | name); | |
1905 | return false; | |
1906 | } | |
1907 | ||
1908 | const target_desc *tdesc_trans = string_read_description_xml (xml + 1); | |
1909 | ||
1910 | if (tdesc_trans == nullptr) | |
1911 | { | |
1912 | printf_filtered (_("Could not convert description for %s from xml.\n"), | |
1913 | name); | |
1914 | return false; | |
1915 | } | |
1916 | else if (*tdesc != *tdesc_trans) | |
1917 | { | |
1918 | printf_filtered (_("Converted description for %s does not match.\n"), | |
1919 | name); | |
1920 | return false; | |
1921 | } | |
1922 | return true; | |
1923 | } | |
1924 | ||
1925 | ||
27d41eac YQ |
1926 | /* Check that the target descriptions created dynamically by |
1927 | architecture-specific code equal the descriptions created from XML files | |
1928 | found in the specified directory DIR. */ | |
1929 | ||
1930 | static void | |
e100df1a | 1931 | maintenance_check_xml_descriptions (const char *dir, int from_tty) |
27d41eac YQ |
1932 | { |
1933 | if (dir == NULL) | |
1934 | error (_("Missing dir name")); | |
1935 | ||
1936 | gdb::unique_xmalloc_ptr<char> dir1 (tilde_expand (dir)); | |
1937 | std::string feature_dir (dir1.get ()); | |
1938 | unsigned int failed = 0; | |
1939 | ||
1940 | for (auto const &e : selftests::xml_tdesc) | |
1941 | { | |
1c28969e | 1942 | std::string tdesc_xml = (feature_dir + SLASH_STRING + e.name); |
27d41eac YQ |
1943 | const target_desc *tdesc |
1944 | = file_read_description_xml (tdesc_xml.data ()); | |
1945 | ||
1c28969e | 1946 | if (tdesc == NULL || *tdesc != *e.tdesc) |
e98577a9 | 1947 | { |
1c28969e | 1948 | printf_filtered ( _("Descriptions for %s do not match.\n"), e.name); |
e98577a9 AH |
1949 | failed++; |
1950 | } | |
1c28969e SM |
1951 | else if (!maintenance_check_tdesc_xml_convert (tdesc, e.name) |
1952 | || !maintenance_check_tdesc_xml_convert (e.tdesc.get (), e.name)) | |
27d41eac YQ |
1953 | failed++; |
1954 | } | |
1955 | printf_filtered (_("Tested %lu XML files, %d failed\n"), | |
1956 | (long) selftests::xml_tdesc.size (), failed); | |
1957 | } | |
1958 | ||
6c265988 | 1959 | void _initialize_target_descriptions (); |
23181151 | 1960 | void |
6c265988 | 1961 | _initialize_target_descriptions () |
23181151 | 1962 | { |
20821f4e AB |
1963 | cmd_list_element *cmd; |
1964 | ||
123dc839 DJ |
1965 | tdesc_data = gdbarch_data_register_pre_init (tdesc_data_init); |
1966 | ||
0743fc83 | 1967 | add_basic_prefix_cmd ("tdesc", class_maintenance, _("\ |
23181151 | 1968 | Set target description specific variables."), |
2f822da5 | 1969 | &tdesc_set_cmdlist, |
0743fc83 TT |
1970 | 0 /* allow-unknown */, &setlist); |
1971 | add_show_prefix_cmd ("tdesc", class_maintenance, _("\ | |
23181151 | 1972 | Show target description specific variables."), |
2f822da5 | 1973 | &tdesc_show_cmdlist, |
0743fc83 TT |
1974 | 0 /* allow-unknown */, &showlist); |
1975 | add_basic_prefix_cmd ("tdesc", class_maintenance, _("\ | |
23181151 | 1976 | Unset target description specific variables."), |
2f822da5 | 1977 | &tdesc_unset_cmdlist, |
0743fc83 | 1978 | 0 /* allow-unknown */, &unsetlist); |
23181151 DJ |
1979 | |
1980 | add_setshow_filename_cmd ("filename", class_obscure, | |
6ecd4729 | 1981 | &tdesc_filename_cmd_string, |
23181151 | 1982 | _("\ |
590042fc PW |
1983 | Set the file to read for an XML target description."), _("\ |
1984 | Show the file to read for an XML target description."), _("\ | |
23181151 DJ |
1985 | When set, GDB will read the target description from a local\n\ |
1986 | file instead of querying the remote target."), | |
1987 | set_tdesc_filename_cmd, | |
1988 | show_tdesc_filename_cmd, | |
1989 | &tdesc_set_cmdlist, &tdesc_show_cmdlist); | |
1990 | ||
1991 | add_cmd ("filename", class_obscure, unset_tdesc_filename_cmd, _("\ | |
590042fc PW |
1992 | Unset the file to read for an XML target description.\n\ |
1993 | When unset, GDB will read the description from the target."), | |
23181151 | 1994 | &tdesc_unset_cmdlist); |
81adfced | 1995 | |
ab33b152 AB |
1996 | auto grp = make_maint_print_c_tdesc_options_def_group (nullptr); |
1997 | static std::string help_text | |
1998 | = gdb::option::build_help (_("\ | |
1999 | Print the current target description as a C source file.\n\ | |
2000 | Usage: maintenance print c-tdesc [OPTION] [FILENAME]\n\ | |
2001 | \n\ | |
2002 | Options:\n\ | |
2003 | %OPTIONS%\n\ | |
2004 | \n\ | |
2005 | When FILENAME is not provided then print the current target\n\ | |
2006 | description, otherwise an XML target description is read from\n\ | |
2007 | FILENAME and printed as a C function.\n\ | |
2008 | \n\ | |
2009 | When '-single-feature' is used then the target description should\n\ | |
2010 | contain a single feature and the generated C code will only create\n\ | |
2011 | that feature within an already existing target_desc object."), grp); | |
2012 | cmd = add_cmd ("c-tdesc", class_maintenance, maint_print_c_tdesc_cmd, | |
2013 | help_text.c_str (), &maintenanceprintlist); | |
2014 | set_cmd_completer_handle_brkchars (cmd, maint_print_c_tdesc_cmd_completer); | |
27d41eac | 2015 | |
caa7fd04 AB |
2016 | cmd = add_cmd ("xml-tdesc", class_maintenance, maint_print_xml_tdesc_cmd, _("\ |
2017 | Print the current target description as an XML file."), | |
2018 | &maintenanceprintlist); | |
2019 | set_cmd_completer (cmd, filename_completer); | |
2020 | ||
27d41eac YQ |
2021 | cmd = add_cmd ("xml-descriptions", class_maintenance, |
2022 | maintenance_check_xml_descriptions, _("\ | |
590042fc | 2023 | Check equality of GDB target descriptions and XML created descriptions.\n\ |
27d41eac YQ |
2024 | Check the target descriptions created in GDB equal the descriptions\n\ |
2025 | created from XML files in the directory.\n\ | |
2026 | The parameter is the directory name."), | |
2027 | &maintenancechecklist); | |
2028 | set_cmd_completer (cmd, filename_completer); | |
23181151 | 2029 | } |