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424163ea DJ |
1 | /* Target description support for GDB. |
2 | ||
4a94e368 | 3 | Copyright (C) 2006-2022 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 | |
bf31fd38 | 33 | #include "gdbsupport/gdb_obstack.h" |
123dc839 | 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 | |
f34652de | 151 | internal_error ("Type \"%s\" has an unknown kind %d", |
b8df6ca7 AH |
152 | e->name.c_str (), e->kind); |
153 | } | |
d4a0e8b5 | 154 | |
b8df6ca7 AH |
155 | void visit (const tdesc_type_vector *e) override |
156 | { | |
157 | m_type = tdesc_find_type (m_gdbarch, e->name.c_str ()); | |
158 | if (m_type != NULL) | |
159 | return; | |
160 | ||
161 | type *element_gdb_type = make_gdb_type (m_gdbarch, e->element_type); | |
162 | m_type = init_vector_type (element_gdb_type, e->count); | |
d0e39ea2 | 163 | m_type->set_name (xstrdup (e->name.c_str ())); |
b8df6ca7 AH |
164 | return; |
165 | } | |
53c934e9 | 166 | |
b8df6ca7 AH |
167 | void visit (const tdesc_type_with_fields *e) override |
168 | { | |
169 | m_type = tdesc_find_type (m_gdbarch, e->name.c_str ()); | |
170 | if (m_type != NULL) | |
171 | return; | |
d4a0e8b5 | 172 | |
b8df6ca7 AH |
173 | switch (e->kind) |
174 | { | |
175 | case TDESC_TYPE_STRUCT: | |
176 | make_gdb_type_struct (e); | |
177 | return; | |
178 | case TDESC_TYPE_UNION: | |
179 | make_gdb_type_union (e); | |
180 | return; | |
181 | case TDESC_TYPE_FLAGS: | |
182 | make_gdb_type_flags (e); | |
183 | return; | |
184 | case TDESC_TYPE_ENUM: | |
185 | make_gdb_type_enum (e); | |
186 | return; | |
187 | } | |
d4a0e8b5 | 188 | |
f34652de | 189 | internal_error ("Type \"%s\" has an unknown kind %d", |
b8df6ca7 AH |
190 | e->name.c_str (), e->kind); |
191 | } | |
d4a0e8b5 | 192 | |
b8df6ca7 | 193 | private: |
d4a0e8b5 | 194 | |
b8df6ca7 AH |
195 | void make_gdb_type_struct (const tdesc_type_with_fields *e) |
196 | { | |
197 | m_type = arch_composite_type (m_gdbarch, NULL, TYPE_CODE_STRUCT); | |
d0e39ea2 | 198 | m_type->set_name (xstrdup (e->name.c_str ())); |
d4a0e8b5 | 199 | |
b8df6ca7 AH |
200 | for (const tdesc_type_field &f : e->fields) |
201 | { | |
202 | if (f.start != -1 && f.end != -1) | |
203 | { | |
204 | /* Bitfield. */ | |
205 | struct field *fld; | |
206 | struct type *field_gdb_type; | |
207 | int bitsize, total_size; | |
208 | ||
209 | /* This invariant should be preserved while creating types. */ | |
210 | gdb_assert (e->size != 0); | |
211 | if (f.type != NULL) | |
212 | field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
213 | else if (e->size > 4) | |
214 | field_gdb_type = builtin_type (m_gdbarch)->builtin_uint64; | |
215 | else | |
216 | field_gdb_type = builtin_type (m_gdbarch)->builtin_uint32; | |
217 | ||
218 | fld = append_composite_type_field_raw | |
219 | (m_type, xstrdup (f.name.c_str ()), field_gdb_type); | |
220 | ||
221 | /* For little-endian, BITPOS counts from the LSB of | |
222 | the structure and marks the LSB of the field. For | |
223 | big-endian, BITPOS counts from the MSB of the | |
224 | structure and marks the MSB of the field. Either | |
225 | way, it is the number of bits to the "left" of the | |
226 | field. To calculate this in big-endian, we need | |
227 | the total size of the structure. */ | |
228 | bitsize = f.end - f.start + 1; | |
229 | total_size = e->size * TARGET_CHAR_BIT; | |
d5a22e77 | 230 | if (gdbarch_byte_order (m_gdbarch) == BFD_ENDIAN_BIG) |
cd3f655c | 231 | fld->set_loc_bitpos (total_size - f.start - bitsize); |
b8df6ca7 | 232 | else |
cd3f655c | 233 | fld->set_loc_bitpos (f.start); |
b8df6ca7 AH |
234 | FIELD_BITSIZE (fld[0]) = bitsize; |
235 | } | |
236 | else | |
237 | { | |
238 | gdb_assert (f.start == -1 && f.end == -1); | |
239 | type *field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
240 | append_composite_type_field (m_type, | |
d4a0e8b5 | 241 | xstrdup (f.name.c_str ()), |
b8df6ca7 AH |
242 | field_gdb_type); |
243 | } | |
244 | } | |
d4a0e8b5 | 245 | |
b8df6ca7 | 246 | if (e->size != 0) |
b6cdbc9a | 247 | m_type->set_length (e->size); |
b8df6ca7 | 248 | } |
d4a0e8b5 | 249 | |
b8df6ca7 AH |
250 | void make_gdb_type_union (const tdesc_type_with_fields *e) |
251 | { | |
252 | m_type = arch_composite_type (m_gdbarch, NULL, TYPE_CODE_UNION); | |
d0e39ea2 | 253 | m_type->set_name (xstrdup (e->name.c_str ())); |
d4a0e8b5 | 254 | |
b8df6ca7 AH |
255 | for (const tdesc_type_field &f : e->fields) |
256 | { | |
257 | type* field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
258 | append_composite_type_field (m_type, xstrdup (f.name.c_str ()), | |
259 | field_gdb_type); | |
260 | ||
261 | /* If any of the children of a union are vectors, flag the | |
262 | union as a vector also. This allows e.g. a union of two | |
263 | vector types to show up automatically in "info vector". */ | |
bd63c870 | 264 | if (field_gdb_type->is_vector ()) |
2062087b | 265 | m_type->set_is_vector (true); |
b8df6ca7 AH |
266 | } |
267 | } | |
d4a0e8b5 | 268 | |
b8df6ca7 | 269 | void make_gdb_type_flags (const tdesc_type_with_fields *e) |
d4a0e8b5 | 270 | { |
b8df6ca7 AH |
271 | m_type = arch_flags_type (m_gdbarch, e->name.c_str (), |
272 | e->size * TARGET_CHAR_BIT); | |
273 | ||
274 | for (const tdesc_type_field &f : e->fields) | |
275 | { | |
276 | int bitsize = f.end - f.start + 1; | |
277 | ||
278 | gdb_assert (f.type != NULL); | |
279 | type *field_gdb_type = make_gdb_type (m_gdbarch, f.type); | |
280 | append_flags_type_field (m_type, f.start, bitsize, | |
281 | field_gdb_type, f.name.c_str ()); | |
282 | } | |
d4a0e8b5 SM |
283 | } |
284 | ||
b8df6ca7 AH |
285 | void make_gdb_type_enum (const tdesc_type_with_fields *e) |
286 | { | |
287 | m_type = arch_type (m_gdbarch, TYPE_CODE_ENUM, e->size * TARGET_CHAR_BIT, | |
288 | e->name.c_str ()); | |
d4a0e8b5 | 289 | |
653223d3 SM |
290 | m_type->set_is_unsigned (true); |
291 | ||
b8df6ca7 AH |
292 | for (const tdesc_type_field &f : e->fields) |
293 | { | |
294 | struct field *fld | |
295 | = append_composite_type_field_raw (m_type, | |
296 | xstrdup (f.name.c_str ()), | |
297 | NULL); | |
d4a0e8b5 | 298 | |
cd3f655c | 299 | fld->set_loc_enumval (f.start); |
b8df6ca7 AH |
300 | } |
301 | } | |
302 | ||
303 | /* The gdbarch used. */ | |
304 | struct gdbarch *m_gdbarch; | |
305 | ||
306 | /* The type created. */ | |
307 | type *m_type; | |
308 | }; | |
309 | ||
310 | gdb_type_creator gdb_type (gdbarch); | |
311 | ttype->accept (gdb_type); | |
312 | return gdb_type.get_type (); | |
313 | } | |
123dc839 | 314 | |
fbf42f4e AB |
315 | /* Wrapper around bfd_arch_info_type. A class with this name is used in |
316 | the API that is shared between gdb and gdbserver code, but gdbserver | |
317 | doesn't use compatibility information, so its version of this class is | |
318 | empty. */ | |
319 | ||
320 | class tdesc_compatible_info | |
321 | { | |
322 | public: | |
323 | /* Constructor. */ | |
324 | explicit tdesc_compatible_info (const bfd_arch_info_type *arch) | |
325 | : m_arch (arch) | |
326 | { /* Nothing. */ } | |
327 | ||
328 | /* Access the contained pointer. */ | |
329 | const bfd_arch_info_type *arch () const | |
330 | { return m_arch; } | |
331 | ||
332 | private: | |
333 | /* Architecture information looked up from the <compatible> entity within | |
334 | a target description. */ | |
335 | const bfd_arch_info_type *m_arch; | |
336 | }; | |
337 | ||
123dc839 DJ |
338 | /* A target description. */ |
339 | ||
6eb1e6a8 | 340 | struct target_desc : tdesc_element |
424163ea | 341 | { |
b468ff4c YQ |
342 | target_desc () |
343 | {} | |
344 | ||
3eea796c | 345 | virtual ~target_desc () = default; |
b468ff4c YQ |
346 | |
347 | target_desc (const target_desc &) = delete; | |
348 | void operator= (const target_desc &) = delete; | |
349 | ||
23181151 | 350 | /* The architecture reported by the target, if any. */ |
b468ff4c | 351 | const struct bfd_arch_info *arch = NULL; |
23181151 | 352 | |
08d16641 PA |
353 | /* The osabi reported by the target, if any; GDB_OSABI_UNKNOWN |
354 | otherwise. */ | |
b468ff4c | 355 | enum gdb_osabi osabi = GDB_OSABI_UNKNOWN; |
08d16641 | 356 | |
e35359c5 | 357 | /* The list of compatible architectures reported by the target. */ |
fbf42f4e | 358 | std::vector<tdesc_compatible_info_up> compatible; |
e35359c5 | 359 | |
29709017 | 360 | /* Any architecture-specific properties specified by the target. */ |
129c10bc | 361 | std::vector<property> properties; |
123dc839 DJ |
362 | |
363 | /* The features associated with this target. */ | |
858c9d13 | 364 | std::vector<tdesc_feature_up> features; |
6eb1e6a8 | 365 | |
e98577a9 AH |
366 | /* Used to cache the generated xml version of the target description. */ |
367 | mutable char *xmltarget = nullptr; | |
368 | ||
6eb1e6a8 YQ |
369 | void accept (tdesc_element_visitor &v) const override |
370 | { | |
371 | v.visit_pre (this); | |
372 | ||
3eea796c | 373 | for (const tdesc_feature_up &feature : features) |
6eb1e6a8 YQ |
374 | feature->accept (v); |
375 | ||
376 | v.visit_post (this); | |
377 | } | |
27d41eac YQ |
378 | |
379 | bool operator== (const target_desc &other) const | |
380 | { | |
381 | if (arch != other.arch) | |
382 | return false; | |
383 | ||
384 | if (osabi != other.osabi) | |
385 | return false; | |
386 | ||
3eea796c | 387 | if (features.size () != other.features.size ()) |
27d41eac YQ |
388 | return false; |
389 | ||
3eea796c | 390 | for (int ix = 0; ix < features.size (); ix++) |
27d41eac | 391 | { |
3eea796c SM |
392 | const tdesc_feature_up &feature1 = features[ix]; |
393 | const tdesc_feature_up &feature2 = other.features[ix]; | |
27d41eac | 394 | |
3eea796c | 395 | if (feature1 != feature2 && *feature1 != *feature2) |
27d41eac YQ |
396 | return false; |
397 | } | |
398 | ||
399 | return true; | |
400 | } | |
401 | ||
402 | bool operator!= (const target_desc &other) const | |
403 | { | |
404 | return !(*this == other); | |
405 | } | |
123dc839 DJ |
406 | }; |
407 | ||
408 | /* Per-architecture data associated with a target description. The | |
409 | target description may be shared by multiple architectures, but | |
410 | this data is private to one gdbarch. */ | |
411 | ||
f0cddbef | 412 | struct tdesc_arch_reg |
ad068eab | 413 | { |
f0cddbef SM |
414 | tdesc_arch_reg (tdesc_reg *reg_, struct type *type_) |
415 | : reg (reg_), type (type_) | |
416 | {} | |
417 | ||
ad068eab UW |
418 | struct tdesc_reg *reg; |
419 | struct type *type; | |
f0cddbef | 420 | }; |
ad068eab | 421 | |
123dc839 DJ |
422 | struct tdesc_arch_data |
423 | { | |
ad068eab | 424 | /* A list of register/type pairs, indexed by GDB's internal register number. |
123dc839 DJ |
425 | During initialization of the gdbarch this list is used to store |
426 | registers which the architecture assigns a fixed register number. | |
427 | Registers which are NULL in this array, or off the end, are | |
428 | treated as zero-sized and nameless (i.e. placeholders in the | |
429 | numbering). */ | |
f0cddbef | 430 | std::vector<tdesc_arch_reg> arch_regs; |
123dc839 DJ |
431 | |
432 | /* Functions which report the register name, type, and reggroups for | |
433 | pseudo-registers. */ | |
f0cddbef SM |
434 | gdbarch_register_name_ftype *pseudo_register_name = NULL; |
435 | gdbarch_register_type_ftype *pseudo_register_type = NULL; | |
436 | gdbarch_register_reggroup_p_ftype *pseudo_register_reggroup_p = NULL; | |
424163ea DJ |
437 | }; |
438 | ||
6ecd4729 PA |
439 | /* Info about an inferior's target description. There's one of these |
440 | for each inferior. */ | |
424163ea | 441 | |
6ecd4729 PA |
442 | struct target_desc_info |
443 | { | |
444 | /* A flag indicating that a description has already been fetched | |
445 | from the target, so it should not be queried again. */ | |
446 | ||
0b2f7ade | 447 | bool fetched = false; |
424163ea | 448 | |
6ecd4729 PA |
449 | /* The description fetched from the target, or NULL if the target |
450 | did not supply any description. Only valid when | |
c2962e6a | 451 | FETCHED is set. Only the description initialization |
6ecd4729 PA |
452 | code should access this; normally, the description should be |
453 | accessed through the gdbarch object. */ | |
424163ea | 454 | |
0b2f7ade | 455 | const struct target_desc *tdesc = nullptr; |
424163ea | 456 | |
91e3c425 SM |
457 | /* If not empty, the filename to read a target description from, as set by |
458 | "set tdesc filename ...". | |
424163ea | 459 | |
91e3c425 SM |
460 | If empty, there is not filename specified by the user. */ |
461 | ||
462 | std::string filename; | |
6ecd4729 | 463 | }; |
23181151 | 464 | |
6ecd4729 PA |
465 | /* Get the inferior INF's target description info, allocating one on |
466 | the stop if necessary. */ | |
23181151 | 467 | |
6ecd4729 PA |
468 | static struct target_desc_info * |
469 | get_tdesc_info (struct inferior *inf) | |
470 | { | |
471 | if (inf->tdesc_info == NULL) | |
0b2f7ade SM |
472 | inf->tdesc_info = new target_desc_info; |
473 | ||
6ecd4729 PA |
474 | return inf->tdesc_info; |
475 | } | |
23181151 | 476 | |
123dc839 DJ |
477 | /* A handle for architecture-specific data associated with the |
478 | target description (see struct tdesc_arch_data). */ | |
479 | ||
cb275538 TT |
480 | static const registry<gdbarch>::key<tdesc_arch_data> tdesc_data; |
481 | ||
482 | /* Get or create the tdesc_data. */ | |
483 | static tdesc_arch_data * | |
484 | get_arch_data (struct gdbarch *gdbarch) | |
485 | { | |
486 | tdesc_arch_data *result = tdesc_data.get (gdbarch); | |
487 | if (result == nullptr) | |
488 | result = tdesc_data.emplace (gdbarch); | |
489 | return result; | |
490 | } | |
123dc839 | 491 | |
6ecd4729 PA |
492 | /* See target-descriptions.h. */ |
493 | ||
494 | int | |
495 | target_desc_info_from_user_p (struct target_desc_info *info) | |
496 | { | |
91e3c425 | 497 | return info != nullptr && !info->filename.empty (); |
6ecd4729 PA |
498 | } |
499 | ||
500 | /* See target-descriptions.h. */ | |
501 | ||
502 | void | |
503 | copy_inferior_target_desc_info (struct inferior *destinf, struct inferior *srcinf) | |
504 | { | |
505 | struct target_desc_info *src = get_tdesc_info (srcinf); | |
506 | struct target_desc_info *dest = get_tdesc_info (destinf); | |
507 | ||
91e3c425 | 508 | *dest = *src; |
6ecd4729 PA |
509 | } |
510 | ||
511 | /* See target-descriptions.h. */ | |
512 | ||
513 | void | |
514 | target_desc_info_free (struct target_desc_info *tdesc_info) | |
515 | { | |
91e3c425 | 516 | delete tdesc_info; |
6ecd4729 PA |
517 | } |
518 | ||
6ecd4729 PA |
519 | /* The string manipulated by the "set tdesc filename ..." command. */ |
520 | ||
e0700ba4 | 521 | static std::string tdesc_filename_cmd_string; |
6ecd4729 | 522 | |
424163ea DJ |
523 | /* Fetch the current target's description, and switch the current |
524 | architecture to one which incorporates that description. */ | |
525 | ||
526 | void | |
527 | target_find_description (void) | |
528 | { | |
c2962e6a SM |
529 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
530 | ||
424163ea DJ |
531 | /* If we've already fetched a description from the target, don't do |
532 | it again. This allows a target to fetch the description early, | |
533 | during its to_open or to_create_inferior, if it needs extra | |
534 | information about the target to initialize. */ | |
c2962e6a | 535 | if (tdesc_info->fetched) |
424163ea DJ |
536 | return; |
537 | ||
538 | /* The current architecture should not have any target description | |
539 | specified. It should have been cleared, e.g. when we | |
540 | disconnected from the previous target. */ | |
f5656ead | 541 | gdb_assert (gdbarch_target_desc (target_gdbarch ()) == NULL); |
424163ea | 542 | |
23181151 DJ |
543 | /* First try to fetch an XML description from the user-specified |
544 | file. */ | |
c2962e6a | 545 | tdesc_info->tdesc = nullptr; |
91e3c425 SM |
546 | if (!tdesc_info->filename.empty ()) |
547 | tdesc_info->tdesc = file_read_description_xml (tdesc_info->filename.data ()); | |
23181151 DJ |
548 | |
549 | /* Next try to read the description from the current target using | |
550 | target objects. */ | |
c2962e6a SM |
551 | if (tdesc_info->tdesc == nullptr) |
552 | tdesc_info->tdesc = target_read_description_xml | |
328d42d8 | 553 | (current_inferior ()->top_target ()); |
23181151 DJ |
554 | |
555 | /* If that failed try a target-specific hook. */ | |
c2962e6a SM |
556 | if (tdesc_info->tdesc == nullptr) |
557 | tdesc_info->tdesc = target_read_description | |
328d42d8 | 558 | (current_inferior ()->top_target ()); |
424163ea DJ |
559 | |
560 | /* If a non-NULL description was returned, then update the current | |
561 | architecture. */ | |
c2962e6a | 562 | if (tdesc_info->tdesc != nullptr) |
424163ea DJ |
563 | { |
564 | struct gdbarch_info info; | |
565 | ||
c2962e6a | 566 | info.target_desc = tdesc_info->tdesc; |
424163ea | 567 | if (!gdbarch_update_p (info)) |
123dc839 DJ |
568 | warning (_("Architecture rejected target-supplied description")); |
569 | else | |
570 | { | |
571 | struct tdesc_arch_data *data; | |
572 | ||
cb275538 | 573 | data = get_arch_data (target_gdbarch ()); |
c2962e6a | 574 | if (tdesc_has_registers (tdesc_info->tdesc) |
f0cddbef | 575 | && data->arch_regs.empty ()) |
123dc839 DJ |
576 | warning (_("Target-supplied registers are not supported " |
577 | "by the current architecture")); | |
578 | } | |
424163ea DJ |
579 | } |
580 | ||
581 | /* Now that we know this description is usable, record that we | |
582 | fetched it. */ | |
820c4490 | 583 | tdesc_info->fetched = true; |
424163ea DJ |
584 | } |
585 | ||
586 | /* Discard any description fetched from the current target, and switch | |
587 | the current architecture to one with no target description. */ | |
588 | ||
589 | void | |
590 | target_clear_description (void) | |
591 | { | |
c2962e6a | 592 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
424163ea | 593 | |
c2962e6a | 594 | if (!tdesc_info->fetched) |
424163ea DJ |
595 | return; |
596 | ||
820c4490 | 597 | tdesc_info->fetched = false; |
c2962e6a | 598 | tdesc_info->tdesc = nullptr; |
424163ea | 599 | |
c2962e6a | 600 | gdbarch_info info; |
424163ea | 601 | if (!gdbarch_update_p (info)) |
f34652de | 602 | internal_error (_("Could not remove target-supplied description")); |
424163ea DJ |
603 | } |
604 | ||
605 | /* Return the global current target description. This should only be | |
606 | used by gdbarch initialization code; most access should be through | |
607 | an existing gdbarch. */ | |
608 | ||
609 | const struct target_desc * | |
610 | target_current_description (void) | |
611 | { | |
c2962e6a SM |
612 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
613 | ||
614 | if (tdesc_info->fetched) | |
615 | return tdesc_info->tdesc; | |
424163ea DJ |
616 | |
617 | return NULL; | |
618 | } | |
e35359c5 UW |
619 | |
620 | /* Return non-zero if this target description is compatible | |
621 | with the given BFD architecture. */ | |
622 | ||
623 | int | |
624 | tdesc_compatible_p (const struct target_desc *target_desc, | |
625 | const struct bfd_arch_info *arch) | |
626 | { | |
fbf42f4e | 627 | for (const tdesc_compatible_info_up &compat : target_desc->compatible) |
e35359c5 | 628 | { |
fbf42f4e AB |
629 | if (compat->arch () == arch |
630 | || arch->compatible (arch, compat->arch ()) | |
631 | || compat->arch ()->compatible (compat->arch (), arch)) | |
e35359c5 UW |
632 | return 1; |
633 | } | |
634 | ||
635 | return 0; | |
636 | } | |
23181151 DJ |
637 | \f |
638 | ||
123dc839 | 639 | /* Direct accessors for target descriptions. */ |
424163ea | 640 | |
29709017 DJ |
641 | /* Return the string value of a property named KEY, or NULL if the |
642 | property was not specified. */ | |
643 | ||
644 | const char * | |
645 | tdesc_property (const struct target_desc *target_desc, const char *key) | |
646 | { | |
129c10bc SM |
647 | for (const property &prop : target_desc->properties) |
648 | if (prop.key == key) | |
649 | return prop.value.c_str (); | |
29709017 DJ |
650 | |
651 | return NULL; | |
652 | } | |
653 | ||
23181151 DJ |
654 | /* Return the BFD architecture associated with this target |
655 | description, or NULL if no architecture was specified. */ | |
656 | ||
657 | const struct bfd_arch_info * | |
658 | tdesc_architecture (const struct target_desc *target_desc) | |
659 | { | |
660 | return target_desc->arch; | |
661 | } | |
08d16641 | 662 | |
268a13a5 | 663 | /* See gdbsupport/tdesc.h. */ |
d278f585 AH |
664 | |
665 | const char * | |
666 | tdesc_architecture_name (const struct target_desc *target_desc) | |
667 | { | |
caa7fd04 AB |
668 | if (target_desc->arch != NULL) |
669 | return target_desc->arch->printable_name; | |
670 | return NULL; | |
d278f585 AH |
671 | } |
672 | ||
fbf42f4e AB |
673 | /* See gdbsupport/tdesc.h. */ |
674 | ||
675 | const std::vector<tdesc_compatible_info_up> & | |
676 | tdesc_compatible_info_list (const target_desc *target_desc) | |
677 | { | |
678 | return target_desc->compatible; | |
679 | } | |
680 | ||
681 | /* See gdbsupport/tdesc.h. */ | |
682 | ||
683 | const char * | |
684 | tdesc_compatible_info_arch_name (const tdesc_compatible_info_up &compatible) | |
685 | { | |
686 | return compatible->arch ()->printable_name; | |
687 | } | |
688 | ||
08d16641 PA |
689 | /* Return the OSABI associated with this target description, or |
690 | GDB_OSABI_UNKNOWN if no osabi was specified. */ | |
691 | ||
692 | enum gdb_osabi | |
693 | tdesc_osabi (const struct target_desc *target_desc) | |
694 | { | |
695 | return target_desc->osabi; | |
696 | } | |
697 | ||
268a13a5 | 698 | /* See gdbsupport/tdesc.h. */ |
d278f585 AH |
699 | |
700 | const char * | |
701 | tdesc_osabi_name (const struct target_desc *target_desc) | |
702 | { | |
703 | enum gdb_osabi osabi = tdesc_osabi (target_desc); | |
704 | if (osabi > GDB_OSABI_UNKNOWN && osabi < GDB_OSABI_INVALID) | |
705 | return gdbarch_osabi_name (osabi); | |
706 | return nullptr; | |
707 | } | |
23181151 | 708 | |
123dc839 DJ |
709 | /* Return 1 if this target description includes any registers. */ |
710 | ||
711 | int | |
712 | tdesc_has_registers (const struct target_desc *target_desc) | |
713 | { | |
123dc839 DJ |
714 | if (target_desc == NULL) |
715 | return 0; | |
716 | ||
3eea796c | 717 | for (const tdesc_feature_up &feature : target_desc->features) |
c9c895b9 | 718 | if (!feature->registers.empty ()) |
123dc839 DJ |
719 | return 1; |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
724 | /* Return the feature with the given name, if present, or NULL if | |
725 | the named feature is not found. */ | |
726 | ||
727 | const struct tdesc_feature * | |
728 | tdesc_find_feature (const struct target_desc *target_desc, | |
729 | const char *name) | |
730 | { | |
3eea796c | 731 | for (const tdesc_feature_up &feature : target_desc->features) |
f65ff9f9 | 732 | if (feature->name == name) |
3eea796c | 733 | return feature.get (); |
123dc839 DJ |
734 | |
735 | return NULL; | |
736 | } | |
737 | ||
738 | /* Return the name of FEATURE. */ | |
739 | ||
740 | const char * | |
741 | tdesc_feature_name (const struct tdesc_feature *feature) | |
742 | { | |
f65ff9f9 | 743 | return feature->name.c_str (); |
123dc839 DJ |
744 | } |
745 | ||
9fd3625f L |
746 | /* Lookup type associated with ID. */ |
747 | ||
748 | struct type * | |
749 | tdesc_find_type (struct gdbarch *gdbarch, const char *id) | |
750 | { | |
cb275538 | 751 | tdesc_arch_data *data = get_arch_data (gdbarch); |
9fd3625f | 752 | |
f0cddbef | 753 | for (const tdesc_arch_reg ® : data->arch_regs) |
9fd3625f | 754 | { |
f0cddbef SM |
755 | if (reg.reg |
756 | && reg.reg->tdesc_type | |
757 | && reg.type | |
758 | && reg.reg->tdesc_type->name == id) | |
759 | return reg.type; | |
9fd3625f L |
760 | } |
761 | ||
762 | return NULL; | |
763 | } | |
764 | ||
123dc839 DJ |
765 | /* Support for registers from target descriptions. */ |
766 | ||
767 | /* Construct the per-gdbarch data. */ | |
768 | ||
c1e1314d | 769 | tdesc_arch_data_up |
123dc839 DJ |
770 | tdesc_data_alloc (void) |
771 | { | |
c1e1314d | 772 | return tdesc_arch_data_up (new tdesc_arch_data ()); |
123dc839 DJ |
773 | } |
774 | ||
c1e1314d | 775 | /* See target-descriptions.h. */ |
123dc839 DJ |
776 | |
777 | void | |
c1e1314d | 778 | tdesc_arch_data_deleter::operator() (struct tdesc_arch_data *data) const |
123dc839 | 779 | { |
f0cddbef | 780 | delete data; |
123dc839 DJ |
781 | } |
782 | ||
783 | /* Search FEATURE for a register named NAME. */ | |
784 | ||
7cc46491 DJ |
785 | static struct tdesc_reg * |
786 | tdesc_find_register_early (const struct tdesc_feature *feature, | |
787 | const char *name) | |
123dc839 | 788 | { |
c9c895b9 | 789 | for (const tdesc_reg_up ® : feature->registers) |
a8142ee1 | 790 | if (strcasecmp (reg->name.c_str (), name) == 0) |
c9c895b9 | 791 | return reg.get (); |
123dc839 | 792 | |
7cc46491 DJ |
793 | return NULL; |
794 | } | |
795 | ||
796 | /* Search FEATURE for a register named NAME. Assign REGNO to it. */ | |
797 | ||
798 | int | |
799 | tdesc_numbered_register (const struct tdesc_feature *feature, | |
800 | struct tdesc_arch_data *data, | |
801 | int regno, const char *name) | |
802 | { | |
803 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
804 | ||
805 | if (reg == NULL) | |
806 | return 0; | |
807 | ||
808 | /* Make sure the vector includes a REGNO'th element. */ | |
f0cddbef SM |
809 | while (regno >= data->arch_regs.size ()) |
810 | data->arch_regs.emplace_back (nullptr, nullptr); | |
811 | ||
812 | data->arch_regs[regno] = tdesc_arch_reg (reg, NULL); | |
ad068eab | 813 | |
7cc46491 | 814 | return 1; |
123dc839 DJ |
815 | } |
816 | ||
58d6951d DJ |
817 | /* Search FEATURE for a register named NAME, but do not assign a fixed |
818 | register number to it. */ | |
819 | ||
820 | int | |
821 | tdesc_unnumbered_register (const struct tdesc_feature *feature, | |
822 | const char *name) | |
823 | { | |
824 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
825 | ||
826 | if (reg == NULL) | |
827 | return 0; | |
828 | ||
829 | return 1; | |
830 | } | |
831 | ||
7cc46491 DJ |
832 | /* Search FEATURE for a register whose name is in NAMES and assign |
833 | REGNO to it. */ | |
123dc839 DJ |
834 | |
835 | int | |
836 | tdesc_numbered_register_choices (const struct tdesc_feature *feature, | |
837 | struct tdesc_arch_data *data, | |
838 | int regno, const char *const names[]) | |
839 | { | |
840 | int i; | |
841 | ||
842 | for (i = 0; names[i] != NULL; i++) | |
843 | if (tdesc_numbered_register (feature, data, regno, names[i])) | |
844 | return 1; | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
b49d7aa7 AB |
849 | /* See target-descriptions.h. */ |
850 | ||
851 | bool | |
852 | tdesc_found_register (struct tdesc_arch_data *data, int regno) | |
853 | { | |
854 | gdb_assert (regno >= 0); | |
855 | ||
856 | return (regno < data->arch_regs.size () | |
857 | && data->arch_regs[regno].reg != nullptr); | |
858 | } | |
859 | ||
7cc46491 DJ |
860 | /* Search FEATURE for a register named NAME, and return its size in |
861 | bits. The register must exist. */ | |
862 | ||
863 | int | |
12863263 | 864 | tdesc_register_bitsize (const struct tdesc_feature *feature, const char *name) |
7cc46491 DJ |
865 | { |
866 | struct tdesc_reg *reg = tdesc_find_register_early (feature, name); | |
867 | ||
868 | gdb_assert (reg != NULL); | |
869 | return reg->bitsize; | |
870 | } | |
871 | ||
123dc839 DJ |
872 | /* Look up a register by its GDB internal register number. */ |
873 | ||
ad068eab UW |
874 | static struct tdesc_arch_reg * |
875 | tdesc_find_arch_register (struct gdbarch *gdbarch, int regno) | |
123dc839 | 876 | { |
cb275538 | 877 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
123dc839 | 878 | |
f0cddbef SM |
879 | if (regno < data->arch_regs.size ()) |
880 | return &data->arch_regs[regno]; | |
123dc839 DJ |
881 | else |
882 | return NULL; | |
883 | } | |
884 | ||
ad068eab UW |
885 | static struct tdesc_reg * |
886 | tdesc_find_register (struct gdbarch *gdbarch, int regno) | |
887 | { | |
888 | struct tdesc_arch_reg *reg = tdesc_find_arch_register (gdbarch, regno); | |
5d502164 | 889 | |
ad068eab UW |
890 | return reg? reg->reg : NULL; |
891 | } | |
892 | ||
f8b73d13 DJ |
893 | /* Return the name of register REGNO, from the target description or |
894 | from an architecture-provided pseudo_register_name method. */ | |
895 | ||
896 | const char * | |
d93859e2 | 897 | tdesc_register_name (struct gdbarch *gdbarch, int regno) |
123dc839 | 898 | { |
d93859e2 UW |
899 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); |
900 | int num_regs = gdbarch_num_regs (gdbarch); | |
123dc839 DJ |
901 | |
902 | if (reg != NULL) | |
a8142ee1 | 903 | return reg->name.c_str (); |
123dc839 | 904 | |
f6efe3f8 | 905 | if (regno >= num_regs && regno < gdbarch_num_cooked_regs (gdbarch)) |
123dc839 | 906 | { |
cb275538 | 907 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
5d502164 | 908 | |
123dc839 | 909 | gdb_assert (data->pseudo_register_name != NULL); |
d93859e2 | 910 | return data->pseudo_register_name (gdbarch, regno); |
123dc839 DJ |
911 | } |
912 | ||
913 | return ""; | |
914 | } | |
915 | ||
58d6951d | 916 | struct type * |
123dc839 DJ |
917 | tdesc_register_type (struct gdbarch *gdbarch, int regno) |
918 | { | |
ad068eab UW |
919 | struct tdesc_arch_reg *arch_reg = tdesc_find_arch_register (gdbarch, regno); |
920 | struct tdesc_reg *reg = arch_reg? arch_reg->reg : NULL; | |
123dc839 DJ |
921 | int num_regs = gdbarch_num_regs (gdbarch); |
922 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
923 | ||
924 | if (reg == NULL && regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
925 | { | |
cb275538 | 926 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
5d502164 | 927 | |
123dc839 DJ |
928 | gdb_assert (data->pseudo_register_type != NULL); |
929 | return data->pseudo_register_type (gdbarch, regno); | |
930 | } | |
931 | ||
932 | if (reg == NULL) | |
933 | /* Return "int0_t", since "void" has a misleading size of one. */ | |
df4df182 | 934 | return builtin_type (gdbarch)->builtin_int0; |
123dc839 | 935 | |
ad068eab | 936 | if (arch_reg->type == NULL) |
123dc839 | 937 | { |
ad068eab UW |
938 | /* First check for a predefined or target defined type. */ |
939 | if (reg->tdesc_type) | |
b8df6ca7 | 940 | arch_reg->type = make_gdb_type (gdbarch, reg->tdesc_type); |
ad068eab UW |
941 | |
942 | /* Next try size-sensitive type shortcuts. */ | |
a8142ee1 | 943 | else if (reg->type == "float") |
ad068eab UW |
944 | { |
945 | if (reg->bitsize == gdbarch_float_bit (gdbarch)) | |
946 | arch_reg->type = builtin_type (gdbarch)->builtin_float; | |
947 | else if (reg->bitsize == gdbarch_double_bit (gdbarch)) | |
948 | arch_reg->type = builtin_type (gdbarch)->builtin_double; | |
949 | else if (reg->bitsize == gdbarch_long_double_bit (gdbarch)) | |
950 | arch_reg->type = builtin_type (gdbarch)->builtin_long_double; | |
951 | else | |
952 | { | |
953 | warning (_("Register \"%s\" has an unsupported size (%d bits)"), | |
a8142ee1 | 954 | reg->name.c_str (), reg->bitsize); |
ad068eab UW |
955 | arch_reg->type = builtin_type (gdbarch)->builtin_double; |
956 | } | |
957 | } | |
a8142ee1 | 958 | else if (reg->type == "int") |
ad068eab UW |
959 | { |
960 | if (reg->bitsize == gdbarch_long_bit (gdbarch)) | |
961 | arch_reg->type = builtin_type (gdbarch)->builtin_long; | |
962 | else if (reg->bitsize == TARGET_CHAR_BIT) | |
963 | arch_reg->type = builtin_type (gdbarch)->builtin_char; | |
964 | else if (reg->bitsize == gdbarch_short_bit (gdbarch)) | |
965 | arch_reg->type = builtin_type (gdbarch)->builtin_short; | |
966 | else if (reg->bitsize == gdbarch_int_bit (gdbarch)) | |
967 | arch_reg->type = builtin_type (gdbarch)->builtin_int; | |
968 | else if (reg->bitsize == gdbarch_long_long_bit (gdbarch)) | |
969 | arch_reg->type = builtin_type (gdbarch)->builtin_long_long; | |
970 | else if (reg->bitsize == gdbarch_ptr_bit (gdbarch)) | |
c378eb4e | 971 | /* A bit desperate by this point... */ |
ad068eab UW |
972 | arch_reg->type = builtin_type (gdbarch)->builtin_data_ptr; |
973 | else | |
974 | { | |
975 | warning (_("Register \"%s\" has an unsupported size (%d bits)"), | |
a8142ee1 | 976 | reg->name.c_str (), reg->bitsize); |
ad068eab UW |
977 | arch_reg->type = builtin_type (gdbarch)->builtin_long; |
978 | } | |
979 | } | |
980 | ||
981 | if (arch_reg->type == NULL) | |
f34652de | 982 | internal_error ("Register \"%s\" has an unknown type \"%s\"", |
a8142ee1 | 983 | reg->name.c_str (), reg->type.c_str ()); |
123dc839 | 984 | } |
123dc839 | 985 | |
ad068eab | 986 | return arch_reg->type; |
123dc839 DJ |
987 | } |
988 | ||
989 | static int | |
990 | tdesc_remote_register_number (struct gdbarch *gdbarch, int regno) | |
991 | { | |
992 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); | |
993 | ||
994 | if (reg != NULL) | |
995 | return reg->target_regnum; | |
996 | else | |
997 | return -1; | |
998 | } | |
999 | ||
1000 | /* Check whether REGNUM is a member of REGGROUP. Registers from the | |
cef0f868 SH |
1001 | target description may be classified as general, float, vector or other |
1002 | register groups registered with reggroup_add(). Unlike a gdbarch | |
1003 | register_reggroup_p method, this function will return -1 if it does not | |
1004 | know; the caller should handle registers with no specified group. | |
1005 | ||
1006 | The names of containing features are not used. This might be extended | |
1007 | to display registers in some more useful groupings. | |
123dc839 DJ |
1008 | |
1009 | The save-restore flag is also implemented here. */ | |
1010 | ||
f8b73d13 DJ |
1011 | int |
1012 | tdesc_register_in_reggroup_p (struct gdbarch *gdbarch, int regno, | |
dbf5d61b | 1013 | const struct reggroup *reggroup) |
123dc839 | 1014 | { |
123dc839 DJ |
1015 | struct tdesc_reg *reg = tdesc_find_register (gdbarch, regno); |
1016 | ||
440cf44e | 1017 | if (reg != NULL && !reg->group.empty () |
af7ce09b | 1018 | && (reg->group == reggroup->name ())) |
cef0f868 | 1019 | return 1; |
123dc839 | 1020 | |
440cf44e LM |
1021 | if (reg != NULL |
1022 | && (reggroup == save_reggroup || reggroup == restore_reggroup)) | |
1023 | return reg->save_restore; | |
123dc839 | 1024 | |
f8b73d13 DJ |
1025 | return -1; |
1026 | } | |
1027 | ||
1028 | /* Check whether REGNUM is a member of REGGROUP. Registers with no | |
1029 | group specified go to the default reggroup function and are handled | |
1030 | by type. */ | |
1031 | ||
1032 | static int | |
1033 | tdesc_register_reggroup_p (struct gdbarch *gdbarch, int regno, | |
dbf5d61b | 1034 | const struct reggroup *reggroup) |
f8b73d13 DJ |
1035 | { |
1036 | int num_regs = gdbarch_num_regs (gdbarch); | |
1037 | int num_pseudo_regs = gdbarch_num_pseudo_regs (gdbarch); | |
1038 | int ret; | |
1039 | ||
1040 | if (regno >= num_regs && regno < num_regs + num_pseudo_regs) | |
1041 | { | |
cb275538 | 1042 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
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 | { | |
cb275538 | 1063 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
123dc839 DJ |
1064 | |
1065 | data->pseudo_register_name = pseudo_name; | |
1066 | } | |
1067 | ||
1068 | void | |
1069 | set_tdesc_pseudo_register_type (struct gdbarch *gdbarch, | |
1070 | gdbarch_register_type_ftype *pseudo_type) | |
1071 | { | |
cb275538 | 1072 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
123dc839 DJ |
1073 | |
1074 | data->pseudo_register_type = pseudo_type; | |
1075 | } | |
1076 | ||
1077 | void | |
1078 | set_tdesc_pseudo_register_reggroup_p | |
1079 | (struct gdbarch *gdbarch, | |
1080 | gdbarch_register_reggroup_p_ftype *pseudo_reggroup_p) | |
1081 | { | |
cb275538 | 1082 | struct tdesc_arch_data *data = get_arch_data (gdbarch); |
123dc839 DJ |
1083 | |
1084 | data->pseudo_register_reggroup_p = pseudo_reggroup_p; | |
1085 | } | |
1086 | ||
1087 | /* Update GDBARCH to use the target description for registers. */ | |
1088 | ||
1089 | void | |
1090 | tdesc_use_registers (struct gdbarch *gdbarch, | |
7cc46491 | 1091 | const struct target_desc *target_desc, |
c1e1314d | 1092 | tdesc_arch_data_up &&early_data, |
be64fd07 | 1093 | tdesc_unknown_register_ftype unk_reg_cb) |
123dc839 DJ |
1094 | { |
1095 | int num_regs = gdbarch_num_regs (gdbarch); | |
123dc839 | 1096 | struct tdesc_arch_data *data; |
123dc839 | 1097 | |
123dc839 DJ |
1098 | /* We can't use the description for registers if it doesn't describe |
1099 | any. This function should only be called after validating | |
1100 | registers, so the caller should know that registers are | |
1101 | included. */ | |
1102 | gdb_assert (tdesc_has_registers (target_desc)); | |
1103 | ||
cb275538 | 1104 | data = get_arch_data (gdbarch); |
c1e1314d | 1105 | data->arch_regs = std::move (early_data->arch_regs); |
123dc839 DJ |
1106 | |
1107 | /* Build up a set of all registers, so that we can assign register | |
1108 | numbers where needed. The hash table expands as necessary, so | |
1109 | the initial size is arbitrary. */ | |
eb53f105 TT |
1110 | htab_up reg_hash (htab_create (37, htab_hash_pointer, htab_eq_pointer, |
1111 | NULL)); | |
3eea796c | 1112 | for (const tdesc_feature_up &feature : target_desc->features) |
c9c895b9 | 1113 | for (const tdesc_reg_up ® : feature->registers) |
123dc839 | 1114 | { |
eb53f105 | 1115 | void **slot = htab_find_slot (reg_hash.get (), reg.get (), INSERT); |
123dc839 | 1116 | |
c9c895b9 | 1117 | *slot = reg.get (); |
cef0f868 SH |
1118 | /* Add reggroup if its new. */ |
1119 | if (!reg->group.empty ()) | |
1120 | if (reggroup_find (gdbarch, reg->group.c_str ()) == NULL) | |
1121 | reggroup_add (gdbarch, reggroup_gdbarch_new (gdbarch, | |
1122 | reg->group.c_str (), | |
1123 | USER_REGGROUP)); | |
123dc839 DJ |
1124 | } |
1125 | ||
1126 | /* Remove any registers which were assigned numbers by the | |
1127 | architecture. */ | |
f0cddbef SM |
1128 | for (const tdesc_arch_reg &arch_reg : data->arch_regs) |
1129 | if (arch_reg.reg != NULL) | |
eb53f105 | 1130 | htab_remove_elt (reg_hash.get (), arch_reg.reg); |
123dc839 DJ |
1131 | |
1132 | /* Assign numbers to the remaining registers and add them to the | |
f57d151a | 1133 | list of registers. The new numbers are always above gdbarch_num_regs. |
123dc839 DJ |
1134 | Iterate over the features, not the hash table, so that the order |
1135 | matches that in the target description. */ | |
1136 | ||
f0cddbef SM |
1137 | gdb_assert (data->arch_regs.size () <= num_regs); |
1138 | while (data->arch_regs.size () < num_regs) | |
1139 | data->arch_regs.emplace_back (nullptr, nullptr); | |
1140 | ||
be64fd07 AB |
1141 | /* First we give the target a chance to number previously unknown |
1142 | registers. This allows targets to record the numbers assigned based | |
1143 | on which feature the register was from. */ | |
1144 | if (unk_reg_cb != NULL) | |
1145 | { | |
1146 | for (const tdesc_feature_up &feature : target_desc->features) | |
1147 | for (const tdesc_reg_up ® : feature->registers) | |
eb53f105 | 1148 | if (htab_find (reg_hash.get (), reg.get ()) != NULL) |
be64fd07 AB |
1149 | { |
1150 | int regno = unk_reg_cb (gdbarch, feature.get (), | |
1151 | reg->name.c_str (), num_regs); | |
1152 | gdb_assert (regno == -1 || regno >= num_regs); | |
1153 | if (regno != -1) | |
1154 | { | |
1155 | while (regno >= data->arch_regs.size ()) | |
1156 | data->arch_regs.emplace_back (nullptr, nullptr); | |
1157 | data->arch_regs[regno] = tdesc_arch_reg (reg.get (), NULL); | |
1158 | num_regs = regno + 1; | |
eb53f105 | 1159 | htab_remove_elt (reg_hash.get (), reg.get ()); |
be64fd07 AB |
1160 | } |
1161 | } | |
1162 | } | |
1163 | ||
1164 | /* Ensure the array was sized correctly above. */ | |
1165 | gdb_assert (data->arch_regs.size () == num_regs); | |
1166 | ||
1167 | /* Now in a final pass we assign register numbers to any remaining | |
1168 | unnumbered registers. */ | |
3eea796c | 1169 | for (const tdesc_feature_up &feature : target_desc->features) |
c9c895b9 | 1170 | for (const tdesc_reg_up ® : feature->registers) |
eb53f105 | 1171 | if (htab_find (reg_hash.get (), reg.get ()) != NULL) |
123dc839 | 1172 | { |
f0cddbef | 1173 | data->arch_regs.emplace_back (reg.get (), nullptr); |
123dc839 DJ |
1174 | num_regs++; |
1175 | } | |
1176 | ||
123dc839 DJ |
1177 | /* Update the architecture. */ |
1178 | set_gdbarch_num_regs (gdbarch, num_regs); | |
1179 | set_gdbarch_register_name (gdbarch, tdesc_register_name); | |
1180 | set_gdbarch_register_type (gdbarch, tdesc_register_type); | |
1181 | set_gdbarch_remote_register_number (gdbarch, | |
1182 | tdesc_remote_register_number); | |
1183 | set_gdbarch_register_reggroup_p (gdbarch, tdesc_register_reggroup_p); | |
1184 | } | |
123dc839 | 1185 | |
268a13a5 | 1186 | /* See gdbsupport/tdesc.h. */ |
f49ff000 | 1187 | |
123dc839 | 1188 | struct tdesc_feature * |
3b74854b | 1189 | tdesc_create_feature (struct target_desc *tdesc, const char *name) |
123dc839 | 1190 | { |
72ddacb7 | 1191 | struct tdesc_feature *new_feature = new tdesc_feature (name); |
123dc839 | 1192 | |
3eea796c SM |
1193 | tdesc->features.emplace_back (new_feature); |
1194 | ||
123dc839 DJ |
1195 | return new_feature; |
1196 | } | |
1197 | ||
0e267416 AB |
1198 | /* See gdbsupport/tdesc.h. */ |
1199 | ||
51a948fd | 1200 | target_desc_up |
424163ea DJ |
1201 | allocate_target_description (void) |
1202 | { | |
51a948fd | 1203 | return target_desc_up (new target_desc ()); |
424163ea | 1204 | } |
29709017 | 1205 | |
0e267416 AB |
1206 | /* See gdbsupport/tdesc.h. */ |
1207 | ||
c55d06ec TT |
1208 | void |
1209 | target_desc_deleter::operator() (struct target_desc *target_desc) const | |
23181151 | 1210 | { |
b468ff4c | 1211 | delete target_desc; |
23181151 DJ |
1212 | } |
1213 | ||
e35359c5 UW |
1214 | void |
1215 | tdesc_add_compatible (struct target_desc *target_desc, | |
1216 | const struct bfd_arch_info *compatible) | |
1217 | { | |
e35359c5 UW |
1218 | /* If this instance of GDB is compiled without BFD support for the |
1219 | compatible architecture, simply ignore it -- we would not be able | |
1220 | to handle it anyway. */ | |
1221 | if (compatible == NULL) | |
1222 | return; | |
1223 | ||
fbf42f4e AB |
1224 | for (const tdesc_compatible_info_up &compat : target_desc->compatible) |
1225 | if (compat->arch () == compatible) | |
f34652de | 1226 | internal_error (_("Attempted to add duplicate " |
e35359c5 UW |
1227 | "compatible architecture \"%s\""), |
1228 | compatible->printable_name); | |
1229 | ||
fbf42f4e AB |
1230 | target_desc->compatible.push_back |
1231 | (std::unique_ptr<tdesc_compatible_info> | |
1232 | (new tdesc_compatible_info (compatible))); | |
e35359c5 UW |
1233 | } |
1234 | ||
29709017 DJ |
1235 | void |
1236 | set_tdesc_property (struct target_desc *target_desc, | |
1237 | const char *key, const char *value) | |
1238 | { | |
29709017 DJ |
1239 | gdb_assert (key != NULL && value != NULL); |
1240 | ||
129c10bc | 1241 | if (tdesc_property (target_desc, key) != NULL) |
f34652de | 1242 | internal_error (_("Attempted to add duplicate property \"%s\""), key); |
29709017 | 1243 | |
129c10bc | 1244 | target_desc->properties.emplace_back (key, value); |
29709017 | 1245 | } |
23181151 | 1246 | |
268a13a5 | 1247 | /* See gdbsupport/tdesc.h. */ |
5f035c07 YQ |
1248 | |
1249 | void | |
1250 | set_tdesc_architecture (struct target_desc *target_desc, | |
1251 | const char *name) | |
1252 | { | |
1253 | set_tdesc_architecture (target_desc, bfd_scan_arch (name)); | |
1254 | } | |
1255 | ||
23181151 DJ |
1256 | void |
1257 | set_tdesc_architecture (struct target_desc *target_desc, | |
1258 | const struct bfd_arch_info *arch) | |
1259 | { | |
1260 | target_desc->arch = arch; | |
1261 | } | |
08d16641 | 1262 | |
268a13a5 | 1263 | /* See gdbsupport/tdesc.h. */ |
5f035c07 YQ |
1264 | |
1265 | void | |
1266 | set_tdesc_osabi (struct target_desc *target_desc, const char *name) | |
1267 | { | |
1268 | set_tdesc_osabi (target_desc, osabi_from_tdesc_string (name)); | |
1269 | } | |
1270 | ||
08d16641 PA |
1271 | void |
1272 | set_tdesc_osabi (struct target_desc *target_desc, enum gdb_osabi osabi) | |
1273 | { | |
1274 | target_desc->osabi = osabi; | |
1275 | } | |
23181151 DJ |
1276 | \f |
1277 | ||
1278 | static struct cmd_list_element *tdesc_set_cmdlist, *tdesc_show_cmdlist; | |
1279 | static struct cmd_list_element *tdesc_unset_cmdlist; | |
1280 | ||
1281 | /* Helper functions for the CLI commands. */ | |
1282 | ||
23181151 | 1283 | static void |
eb4c3f4a | 1284 | set_tdesc_filename_cmd (const char *args, int from_tty, |
23181151 DJ |
1285 | struct cmd_list_element *c) |
1286 | { | |
c2962e6a SM |
1287 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
1288 | ||
91e3c425 | 1289 | tdesc_info->filename = tdesc_filename_cmd_string; |
6ecd4729 | 1290 | |
23181151 DJ |
1291 | target_clear_description (); |
1292 | target_find_description (); | |
1293 | } | |
1294 | ||
1295 | static void | |
1296 | show_tdesc_filename_cmd (struct ui_file *file, int from_tty, | |
1297 | struct cmd_list_element *c, | |
1298 | const char *value) | |
1299 | { | |
91e3c425 | 1300 | value = get_tdesc_info (current_inferior ())->filename.data (); |
6ecd4729 | 1301 | |
23181151 | 1302 | if (value != NULL && *value != '\0') |
6cb06a8c TT |
1303 | gdb_printf (file, |
1304 | _("The target description will be read from \"%s\".\n"), | |
1305 | value); | |
23181151 | 1306 | else |
6cb06a8c TT |
1307 | gdb_printf (file, |
1308 | _("The target description will be " | |
1309 | "read from the target.\n")); | |
23181151 DJ |
1310 | } |
1311 | ||
1312 | static void | |
e100df1a | 1313 | unset_tdesc_filename_cmd (const char *args, int from_tty) |
23181151 | 1314 | { |
c2962e6a SM |
1315 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
1316 | ||
91e3c425 | 1317 | tdesc_info->filename.clear (); |
23181151 DJ |
1318 | target_clear_description (); |
1319 | target_find_description (); | |
1320 | } | |
1321 | ||
6eb1e6a8 YQ |
1322 | /* Print target description in C. */ |
1323 | ||
1324 | class print_c_tdesc : public tdesc_element_visitor | |
1325 | { | |
1326 | public: | |
1327 | print_c_tdesc (std::string &filename_after_features) | |
1328 | : m_filename_after_features (filename_after_features) | |
1329 | { | |
1330 | const char *inp; | |
1331 | char *outp; | |
1332 | const char *filename = lbasename (m_filename_after_features.c_str ()); | |
1333 | ||
1334 | m_function = (char *) xmalloc (strlen (filename) + 1); | |
1335 | for (inp = filename, outp = m_function; *inp != '\0'; inp++) | |
1336 | if (*inp == '.') | |
1337 | break; | |
1338 | else if (*inp == '-') | |
1339 | *outp++ = '_'; | |
20821f4e AB |
1340 | else if (*inp == ' ') |
1341 | *outp++ = '_'; | |
6eb1e6a8 YQ |
1342 | else |
1343 | *outp++ = *inp; | |
1344 | *outp = '\0'; | |
1345 | ||
1346 | /* Standard boilerplate. */ | |
6cb06a8c TT |
1347 | gdb_printf ("/* THIS FILE IS GENERATED. " |
1348 | "-*- buffer-read-only: t -*- vi" | |
1349 | ":set ro:\n"); | |
6eb1e6a8 YQ |
1350 | } |
1351 | ||
1352 | ~print_c_tdesc () | |
1353 | { | |
1354 | xfree (m_function); | |
1355 | } | |
1356 | ||
1357 | void visit_pre (const target_desc *e) override | |
1358 | { | |
6cb06a8c TT |
1359 | gdb_printf (" Original: %s */\n\n", |
1360 | lbasename (m_filename_after_features.c_str ())); | |
1361 | ||
1362 | gdb_printf ("#include \"defs.h\"\n"); | |
1363 | gdb_printf ("#include \"osabi.h\"\n"); | |
1364 | gdb_printf ("#include \"target-descriptions.h\"\n"); | |
1365 | gdb_printf ("\n"); | |
1366 | ||
ac9b8c67 | 1367 | gdb_printf ("const struct target_desc *tdesc_%s;\n", m_function); |
6cb06a8c TT |
1368 | gdb_printf ("static void\n"); |
1369 | gdb_printf ("initialize_tdesc_%s (void)\n", m_function); | |
1370 | gdb_printf ("{\n"); | |
1371 | gdb_printf | |
51a948fd | 1372 | (" target_desc_up result = allocate_target_description ();\n"); |
6eb1e6a8 YQ |
1373 | |
1374 | if (tdesc_architecture (e) != NULL) | |
1375 | { | |
6cb06a8c | 1376 | gdb_printf |
51a948fd | 1377 | (" set_tdesc_architecture (result.get (), bfd_scan_arch (\"%s\"));\n", |
6eb1e6a8 | 1378 | tdesc_architecture (e)->printable_name); |
6cb06a8c | 1379 | gdb_printf ("\n"); |
6eb1e6a8 YQ |
1380 | } |
1381 | if (tdesc_osabi (e) > GDB_OSABI_UNKNOWN | |
1382 | && tdesc_osabi (e) < GDB_OSABI_INVALID) | |
1383 | { | |
6cb06a8c | 1384 | gdb_printf |
51a948fd | 1385 | (" set_tdesc_osabi (result.get (), osabi_from_tdesc_string (\"%s\"));\n", |
6eb1e6a8 | 1386 | gdbarch_osabi_name (tdesc_osabi (e))); |
6cb06a8c | 1387 | gdb_printf ("\n"); |
6eb1e6a8 YQ |
1388 | } |
1389 | ||
fbf42f4e | 1390 | for (const tdesc_compatible_info_up &compatible : e->compatible) |
6cb06a8c | 1391 | gdb_printf |
51a948fd | 1392 | (" tdesc_add_compatible (result.get (), bfd_scan_arch (\"%s\"));\n", |
fbf42f4e | 1393 | compatible->arch ()->printable_name); |
6eb1e6a8 | 1394 | |
40e2a983 | 1395 | if (!e->compatible.empty ()) |
6cb06a8c | 1396 | gdb_printf ("\n"); |
6eb1e6a8 | 1397 | |
129c10bc | 1398 | for (const property &prop : e->properties) |
6cb06a8c TT |
1399 | gdb_printf (" set_tdesc_property (result.get (), \"%s\", \"%s\");\n", |
1400 | prop.key.c_str (), prop.value.c_str ()); | |
129c10bc | 1401 | |
6cb06a8c | 1402 | gdb_printf (" struct tdesc_feature *feature;\n"); |
6eb1e6a8 YQ |
1403 | } |
1404 | ||
25aa13e5 | 1405 | void visit_pre (const tdesc_feature *e) override |
6eb1e6a8 | 1406 | { |
6cb06a8c TT |
1407 | gdb_printf ("\n feature = tdesc_create_feature (result.get (), \"%s\");\n", |
1408 | e->name.c_str ()); | |
6eb1e6a8 YQ |
1409 | } |
1410 | ||
25aa13e5 YQ |
1411 | void visit_post (const tdesc_feature *e) override |
1412 | {} | |
1413 | ||
6eb1e6a8 YQ |
1414 | void visit_post (const target_desc *e) override |
1415 | { | |
6cb06a8c TT |
1416 | gdb_printf ("\n tdesc_%s = result.release ();\n", m_function); |
1417 | gdb_printf ("}\n"); | |
6eb1e6a8 YQ |
1418 | } |
1419 | ||
d4a0e8b5 SM |
1420 | void visit (const tdesc_type_builtin *type) override |
1421 | { | |
1422 | error (_("C output is not supported type \"%s\"."), type->name.c_str ()); | |
1423 | } | |
1424 | ||
1425 | void visit (const tdesc_type_vector *type) override | |
6eb1e6a8 | 1426 | { |
d4a0e8b5 | 1427 | if (!m_printed_element_type) |
6eb1e6a8 | 1428 | { |
6cb06a8c | 1429 | gdb_printf (" tdesc_type *element_type;\n"); |
d4a0e8b5 | 1430 | m_printed_element_type = true; |
6eb1e6a8 YQ |
1431 | } |
1432 | ||
6cb06a8c | 1433 | gdb_printf |
d4a0e8b5 SM |
1434 | (" element_type = tdesc_named_type (feature, \"%s\");\n", |
1435 | type->element_type->name.c_str ()); | |
6cb06a8c | 1436 | gdb_printf |
d4a0e8b5 SM |
1437 | (" tdesc_create_vector (feature, \"%s\", element_type, %d);\n", |
1438 | type->name.c_str (), type->count); | |
1439 | ||
6cb06a8c | 1440 | gdb_printf ("\n"); |
d4a0e8b5 SM |
1441 | } |
1442 | ||
1443 | void visit (const tdesc_type_with_fields *type) override | |
1444 | { | |
1445 | if (!m_printed_type_with_fields) | |
6eb1e6a8 | 1446 | { |
6cb06a8c | 1447 | gdb_printf (" tdesc_type_with_fields *type_with_fields;\n"); |
d4a0e8b5 SM |
1448 | m_printed_type_with_fields = true; |
1449 | } | |
1450 | ||
6eb1e6a8 YQ |
1451 | switch (type->kind) |
1452 | { | |
6eb1e6a8 YQ |
1453 | case TDESC_TYPE_STRUCT: |
1454 | case TDESC_TYPE_FLAGS: | |
1455 | if (type->kind == TDESC_TYPE_STRUCT) | |
1456 | { | |
6cb06a8c | 1457 | gdb_printf |
d4a0e8b5 | 1458 | (" type_with_fields = tdesc_create_struct (feature, \"%s\");\n", |
082b9140 | 1459 | type->name.c_str ()); |
d4a0e8b5 | 1460 | if (type->size != 0) |
6cb06a8c | 1461 | gdb_printf |
d4a0e8b5 | 1462 | (" tdesc_set_struct_size (type_with_fields, %d);\n", type->size); |
6eb1e6a8 YQ |
1463 | } |
1464 | else | |
1465 | { | |
6cb06a8c | 1466 | gdb_printf |
d4a0e8b5 SM |
1467 | (" type_with_fields = tdesc_create_flags (feature, \"%s\", %d);\n", |
1468 | type->name.c_str (), type->size); | |
6eb1e6a8 | 1469 | } |
d4a0e8b5 | 1470 | for (const tdesc_type_field &f : type->fields) |
6eb1e6a8 YQ |
1471 | { |
1472 | const char *type_name; | |
1473 | ||
d05200d1 SM |
1474 | gdb_assert (f.type != NULL); |
1475 | type_name = f.type->name.c_str (); | |
6eb1e6a8 YQ |
1476 | |
1477 | /* To minimize changes to generated files, don't emit type | |
1478 | info for fields that have defaulted types. */ | |
d05200d1 | 1479 | if (f.start != -1) |
6eb1e6a8 | 1480 | { |
d05200d1 SM |
1481 | gdb_assert (f.end != -1); |
1482 | if (f.type->kind == TDESC_TYPE_BOOL) | |
6eb1e6a8 | 1483 | { |
d05200d1 | 1484 | gdb_assert (f.start == f.end); |
6cb06a8c | 1485 | gdb_printf |
d4a0e8b5 | 1486 | (" tdesc_add_flag (type_with_fields, %d, \"%s\");\n", |
d05200d1 | 1487 | f.start, f.name.c_str ()); |
6eb1e6a8 | 1488 | } |
d4a0e8b5 SM |
1489 | else if ((type->size == 4 && f.type->kind == TDESC_TYPE_UINT32) |
1490 | || (type->size == 8 | |
d05200d1 | 1491 | && f.type->kind == TDESC_TYPE_UINT64)) |
6eb1e6a8 | 1492 | { |
6cb06a8c | 1493 | gdb_printf |
d4a0e8b5 | 1494 | (" tdesc_add_bitfield (type_with_fields, \"%s\", %d, %d);\n", |
d05200d1 | 1495 | f.name.c_str (), f.start, f.end); |
6eb1e6a8 YQ |
1496 | } |
1497 | else | |
1498 | { | |
a8d2e585 SM |
1499 | printf_field_type_assignment |
1500 | ("tdesc_named_type (feature, \"%s\");\n", | |
6eb1e6a8 | 1501 | type_name); |
6cb06a8c | 1502 | gdb_printf |
d4a0e8b5 | 1503 | (" tdesc_add_typed_bitfield (type_with_fields, \"%s\"," |
6eb1e6a8 | 1504 | " %d, %d, field_type);\n", |
d05200d1 | 1505 | f.name.c_str (), f.start, f.end); |
6eb1e6a8 YQ |
1506 | } |
1507 | } | |
1508 | else /* Not a bitfield. */ | |
1509 | { | |
d05200d1 | 1510 | gdb_assert (f.end == -1); |
6eb1e6a8 | 1511 | gdb_assert (type->kind == TDESC_TYPE_STRUCT); |
a8d2e585 SM |
1512 | printf_field_type_assignment |
1513 | ("tdesc_named_type (feature, \"%s\");\n", type_name); | |
6cb06a8c | 1514 | gdb_printf |
d4a0e8b5 | 1515 | (" tdesc_add_field (type_with_fields, \"%s\", field_type);\n", |
d05200d1 | 1516 | f.name.c_str ()); |
6eb1e6a8 YQ |
1517 | } |
1518 | } | |
1519 | break; | |
1520 | case TDESC_TYPE_UNION: | |
6cb06a8c | 1521 | gdb_printf |
d4a0e8b5 | 1522 | (" type_with_fields = tdesc_create_union (feature, \"%s\");\n", |
082b9140 | 1523 | type->name.c_str ()); |
d4a0e8b5 | 1524 | for (const tdesc_type_field &f : type->fields) |
6eb1e6a8 | 1525 | { |
a8d2e585 SM |
1526 | printf_field_type_assignment |
1527 | ("tdesc_named_type (feature, \"%s\");\n", f.type->name.c_str ()); | |
6cb06a8c | 1528 | gdb_printf |
d4a0e8b5 | 1529 | (" tdesc_add_field (type_with_fields, \"%s\", field_type);\n", |
d05200d1 | 1530 | f.name.c_str ()); |
6eb1e6a8 YQ |
1531 | } |
1532 | break; | |
1533 | case TDESC_TYPE_ENUM: | |
6cb06a8c | 1534 | gdb_printf |
d4a0e8b5 SM |
1535 | (" type_with_fields = tdesc_create_enum (feature, \"%s\", %d);\n", |
1536 | type->name.c_str (), type->size); | |
1537 | for (const tdesc_type_field &f : type->fields) | |
6cb06a8c | 1538 | gdb_printf |
d4a0e8b5 | 1539 | (" tdesc_add_enum_value (type_with_fields, %d, \"%s\");\n", |
d05200d1 | 1540 | f.start, f.name.c_str ()); |
6eb1e6a8 YQ |
1541 | break; |
1542 | default: | |
082b9140 | 1543 | error (_("C output is not supported type \"%s\"."), type->name.c_str ()); |
6eb1e6a8 | 1544 | } |
d4a0e8b5 | 1545 | |
6cb06a8c | 1546 | gdb_printf ("\n"); |
6eb1e6a8 YQ |
1547 | } |
1548 | ||
1549 | void visit (const tdesc_reg *reg) override | |
1550 | { | |
6cb06a8c TT |
1551 | gdb_printf (" tdesc_create_reg (feature, \"%s\", %ld, %d, ", |
1552 | reg->name.c_str (), reg->target_regnum, | |
1553 | reg->save_restore); | |
a8142ee1 | 1554 | if (!reg->group.empty ()) |
6cb06a8c | 1555 | gdb_printf ("\"%s\", ", reg->group.c_str ()); |
6eb1e6a8 | 1556 | else |
6cb06a8c TT |
1557 | gdb_printf ("NULL, "); |
1558 | gdb_printf ("%d, \"%s\");\n", reg->bitsize, reg->type.c_str ()); | |
6eb1e6a8 YQ |
1559 | } |
1560 | ||
25aa13e5 YQ |
1561 | protected: |
1562 | std::string m_filename_after_features; | |
1563 | ||
6eb1e6a8 | 1564 | private: |
a8d2e585 SM |
1565 | |
1566 | /* Print an assignment to the field_type variable. Print the declaration | |
1567 | of field_type if that has not been done yet. */ | |
6e8c24fe | 1568 | ATTRIBUTE_PRINTF (2, 3) |
a8d2e585 SM |
1569 | void printf_field_type_assignment (const char *fmt, ...) |
1570 | { | |
1571 | if (!m_printed_field_type) | |
1572 | { | |
6cb06a8c | 1573 | gdb_printf (" tdesc_type *field_type;\n"); |
a8d2e585 SM |
1574 | m_printed_field_type = true; |
1575 | } | |
1576 | ||
6cb06a8c | 1577 | gdb_printf (" field_type = "); |
a8d2e585 SM |
1578 | |
1579 | va_list args; | |
1580 | va_start (args, fmt); | |
19a7b8ab | 1581 | gdb_vprintf (fmt, args); |
a8d2e585 SM |
1582 | va_end (args); |
1583 | } | |
1584 | ||
6eb1e6a8 | 1585 | char *m_function; |
d4a0e8b5 SM |
1586 | |
1587 | /* Did we print "struct tdesc_type *element_type;" yet? */ | |
1588 | bool m_printed_element_type = false; | |
1589 | ||
1590 | /* Did we print "struct tdesc_type_with_fields *element_type;" yet? */ | |
1591 | bool m_printed_type_with_fields = false; | |
1592 | ||
1593 | /* Did we print "struct tdesc_type *field_type;" yet? */ | |
6eb1e6a8 | 1594 | bool m_printed_field_type = false; |
6eb1e6a8 YQ |
1595 | }; |
1596 | ||
25aa13e5 YQ |
1597 | /* Print target description feature in C. */ |
1598 | ||
1599 | class print_c_feature : public print_c_tdesc | |
1600 | { | |
1601 | public: | |
1602 | print_c_feature (std::string &file) | |
1603 | : print_c_tdesc (file) | |
1604 | { | |
1605 | /* Trim ".tmp". */ | |
1606 | auto const pos = m_filename_after_features.find_last_of ('.'); | |
1607 | ||
1608 | m_filename_after_features = m_filename_after_features.substr (0, pos); | |
1609 | } | |
1610 | ||
1611 | void visit_pre (const target_desc *e) override | |
1612 | { | |
6cb06a8c TT |
1613 | gdb_printf (" Original: %s */\n\n", |
1614 | lbasename (m_filename_after_features.c_str ())); | |
25aa13e5 | 1615 | |
6cb06a8c TT |
1616 | gdb_printf ("#include \"gdbsupport/tdesc.h\"\n"); |
1617 | gdb_printf ("\n"); | |
25aa13e5 YQ |
1618 | } |
1619 | ||
1620 | void visit_post (const target_desc *e) override | |
1621 | {} | |
1622 | ||
1623 | void visit_pre (const tdesc_feature *e) override | |
1624 | { | |
1625 | std::string name (m_filename_after_features); | |
1626 | ||
1627 | auto pos = name.find_first_of ('.'); | |
1628 | ||
1629 | name = name.substr (0, pos); | |
1630 | std::replace (name.begin (), name.end (), '/', '_'); | |
1631 | std::replace (name.begin (), name.end (), '-', '_'); | |
1632 | ||
6cb06a8c TT |
1633 | gdb_printf ("static int\n"); |
1634 | gdb_printf ("create_feature_%s ", name.c_str ()); | |
1635 | gdb_printf ("(struct target_desc *result, long regnum)\n"); | |
25aa13e5 | 1636 | |
6cb06a8c TT |
1637 | gdb_printf ("{\n"); |
1638 | gdb_printf (" struct tdesc_feature *feature;\n"); | |
0abe8a89 | 1639 | |
6cb06a8c | 1640 | gdb_printf |
3b74854b AH |
1641 | ("\n feature = tdesc_create_feature (result, \"%s\");\n", |
1642 | e->name.c_str ()); | |
25aa13e5 YQ |
1643 | } |
1644 | ||
1645 | void visit_post (const tdesc_feature *e) override | |
1646 | { | |
6cb06a8c TT |
1647 | gdb_printf (" return regnum;\n"); |
1648 | gdb_printf ("}\n"); | |
25aa13e5 YQ |
1649 | } |
1650 | ||
1651 | void visit (const tdesc_reg *reg) override | |
1652 | { | |
ea03d0d3 YQ |
1653 | /* Most "reg" in XML target descriptions don't have "regnum" |
1654 | attribute, so the register number is allocated sequentially. | |
1655 | In case that reg has "regnum" attribute, register number | |
1656 | should be set by that explicitly. */ | |
1657 | ||
1658 | if (reg->target_regnum < m_next_regnum) | |
1659 | { | |
1660 | /* The integrity check, it can catch some errors on register | |
1661 | number collision, like this, | |
1662 | ||
1663 | <reg name="x0" bitsize="32"/> | |
1664 | <reg name="x1" bitsize="32"/> | |
1665 | <reg name="x2" bitsize="32"/> | |
1666 | <reg name="x3" bitsize="32"/> | |
1667 | <reg name="ps" bitsize="32" regnum="3"/> | |
1668 | ||
1669 | but it also has false negatives. The target description | |
1670 | below is correct, | |
1671 | ||
1672 | <reg name="x1" bitsize="32" regnum="1"/> | |
1673 | <reg name="x3" bitsize="32" regnum="3"/> | |
1674 | <reg name="x2" bitsize="32" regnum="2"/> | |
1675 | <reg name="x4" bitsize="32" regnum="4"/> | |
1676 | ||
1677 | but it is not a good practice, so still error on this, | |
1678 | and also print the message so that it can be saved in the | |
1679 | generated c file. */ | |
1680 | ||
6cb06a8c TT |
1681 | gdb_printf ("ERROR: \"regnum\" attribute %ld ", |
1682 | reg->target_regnum); | |
1683 | gdb_printf ("is not the largest number (%d).\n", | |
1684 | m_next_regnum); | |
ea03d0d3 YQ |
1685 | error (_("\"regnum\" attribute %ld is not the largest number (%d)."), |
1686 | reg->target_regnum, m_next_regnum); | |
1687 | } | |
1688 | ||
1689 | if (reg->target_regnum > m_next_regnum) | |
1690 | { | |
6cb06a8c | 1691 | gdb_printf (" regnum = %ld;\n", reg->target_regnum); |
ea03d0d3 YQ |
1692 | m_next_regnum = reg->target_regnum; |
1693 | } | |
1694 | ||
6cb06a8c TT |
1695 | gdb_printf (" tdesc_create_reg (feature, \"%s\", regnum++, %d, ", |
1696 | reg->name.c_str (), reg->save_restore); | |
a8142ee1 | 1697 | if (!reg->group.empty ()) |
6cb06a8c | 1698 | gdb_printf ("\"%s\", ", reg->group.c_str ()); |
25aa13e5 | 1699 | else |
6cb06a8c TT |
1700 | gdb_printf ("NULL, "); |
1701 | gdb_printf ("%d, \"%s\");\n", reg->bitsize, reg->type.c_str ()); | |
ea03d0d3 YQ |
1702 | |
1703 | m_next_regnum++; | |
25aa13e5 YQ |
1704 | } |
1705 | ||
ea03d0d3 YQ |
1706 | private: |
1707 | /* The register number to use for the next register we see. */ | |
1708 | int m_next_regnum = 0; | |
25aa13e5 YQ |
1709 | }; |
1710 | ||
268a13a5 | 1711 | /* See gdbsupport/tdesc.h. */ |
e98577a9 AH |
1712 | |
1713 | const char * | |
1714 | tdesc_get_features_xml (const target_desc *tdesc) | |
1715 | { | |
1716 | if (tdesc->xmltarget == nullptr) | |
1717 | { | |
1718 | std::string buffer ("@"); | |
1719 | print_xml_feature v (&buffer); | |
1720 | tdesc->accept (v); | |
1721 | tdesc->xmltarget = xstrdup (buffer.c_str ()); | |
1722 | } | |
1723 | return tdesc->xmltarget; | |
1724 | } | |
1725 | ||
ab33b152 AB |
1726 | /* Data structures and functions to setup the option flags for 'maintenance |
1727 | print c-tdesc command. */ | |
1728 | ||
1729 | struct maint_print_c_tdesc_options | |
1730 | { | |
1731 | /* True when the '-single-feature' flag was passed. */ | |
1732 | bool single_feature = false; | |
1733 | }; | |
1734 | ||
1735 | using maint_print_c_tdesc_opt_def | |
1736 | = gdb::option::flag_option_def<maint_print_c_tdesc_options>; | |
1737 | ||
1738 | static const gdb::option::option_def maint_print_c_tdesc_opt_defs[] = { | |
1739 | maint_print_c_tdesc_opt_def { | |
1740 | "single-feature", | |
1741 | [] (maint_print_c_tdesc_options *opt) { return &opt->single_feature; }, | |
1742 | N_("Print C description of just a single feature.") | |
1743 | }, | |
1744 | }; | |
1745 | ||
1746 | static inline gdb::option::option_def_group | |
1747 | make_maint_print_c_tdesc_options_def_group (maint_print_c_tdesc_options *opts) | |
1748 | { | |
1749 | return {{maint_print_c_tdesc_opt_defs}, opts}; | |
1750 | } | |
1751 | ||
1752 | /* Implement 'maintenance print c-tdesc' command. */ | |
1753 | ||
81adfced | 1754 | static void |
e100df1a | 1755 | maint_print_c_tdesc_cmd (const char *args, int from_tty) |
81adfced DJ |
1756 | { |
1757 | const struct target_desc *tdesc; | |
6eb1e6a8 | 1758 | const char *filename; |
81adfced | 1759 | |
ab33b152 AB |
1760 | maint_print_c_tdesc_options opts; |
1761 | auto grp = make_maint_print_c_tdesc_options_def_group (&opts); | |
1762 | gdb::option::process_options | |
1763 | (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp); | |
1764 | ||
8e2141c6 YQ |
1765 | if (args == NULL) |
1766 | { | |
1767 | /* Use the global target-supplied description, not the current | |
1768 | architecture's. This lets a GDB for one architecture generate C | |
1769 | for another architecture's description, even though the gdbarch | |
1770 | initialization code will reject the new description. */ | |
c2962e6a SM |
1771 | target_desc_info *tdesc_info = get_tdesc_info (current_inferior ()); |
1772 | tdesc = tdesc_info->tdesc; | |
91e3c425 | 1773 | filename = tdesc_info->filename.data (); |
8e2141c6 YQ |
1774 | } |
1775 | else | |
1776 | { | |
1777 | /* Use the target description from the XML file. */ | |
1778 | filename = args; | |
1779 | tdesc = file_read_description_xml (filename); | |
1780 | } | |
1781 | ||
81adfced DJ |
1782 | if (tdesc == NULL) |
1783 | error (_("There is no target description to print.")); | |
1784 | ||
8e2141c6 | 1785 | if (filename == NULL) |
20821f4e | 1786 | filename = "fetched from target"; |
81adfced | 1787 | |
6eb1e6a8 YQ |
1788 | std::string filename_after_features (filename); |
1789 | auto loc = filename_after_features.rfind ("/features/"); | |
4e2f8df6 | 1790 | |
6eb1e6a8 YQ |
1791 | if (loc != std::string::npos) |
1792 | filename_after_features = filename_after_features.substr (loc + 10); | |
4e2f8df6 | 1793 | |
25aa13e5 YQ |
1794 | /* Print c files for target features instead of target descriptions, |
1795 | because c files got from target features are more flexible than the | |
1796 | counterparts. */ | |
ab33b152 | 1797 | if (opts.single_feature) |
25aa13e5 | 1798 | { |
ab33b152 AB |
1799 | if (tdesc->features.size () != 1) |
1800 | error (_("only target descriptions with 1 feature can be used " | |
1801 | "with -single-feature option")); | |
1802 | ||
25aa13e5 | 1803 | print_c_feature v (filename_after_features); |
81adfced | 1804 | |
25aa13e5 YQ |
1805 | tdesc->accept (v); |
1806 | } | |
1807 | else | |
1808 | { | |
1809 | print_c_tdesc v (filename_after_features); | |
1810 | ||
1811 | tdesc->accept (v); | |
1812 | } | |
81adfced DJ |
1813 | } |
1814 | ||
ab33b152 AB |
1815 | /* Completer for the "backtrace" command. */ |
1816 | ||
1817 | static void | |
1818 | maint_print_c_tdesc_cmd_completer (struct cmd_list_element *ignore, | |
1819 | completion_tracker &tracker, | |
1820 | const char *text, const char *word) | |
1821 | { | |
1822 | auto grp = make_maint_print_c_tdesc_options_def_group (nullptr); | |
1823 | if (gdb::option::complete_options | |
1824 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp)) | |
1825 | return; | |
1826 | ||
1827 | word = advance_to_filename_complete_word_point (tracker, text); | |
1828 | filename_completer (ignore, tracker, text, word); | |
1829 | } | |
1830 | ||
caa7fd04 AB |
1831 | /* Implement the maintenance print xml-tdesc command. */ |
1832 | ||
1833 | static void | |
1834 | maint_print_xml_tdesc_cmd (const char *args, int from_tty) | |
1835 | { | |
1836 | const struct target_desc *tdesc; | |
1837 | ||
1838 | if (args == NULL) | |
1839 | { | |
1840 | /* Use the global target-supplied description, not the current | |
1841 | architecture's. This lets a GDB for one architecture generate XML | |
1842 | for another architecture's description, even though the gdbarch | |
1843 | initialization code will reject the new description. */ | |
c2962e6a | 1844 | tdesc = get_tdesc_info (current_inferior ())->tdesc; |
caa7fd04 AB |
1845 | } |
1846 | else | |
1847 | { | |
1848 | /* Use the target description from the XML file. */ | |
1849 | tdesc = file_read_description_xml (args); | |
1850 | } | |
1851 | ||
1852 | if (tdesc == NULL) | |
1853 | error (_("There is no target description to print.")); | |
1854 | ||
1855 | std::string buf; | |
1856 | print_xml_feature v (&buf); | |
1857 | tdesc->accept (v); | |
0426ad51 | 1858 | gdb_puts (buf.c_str ()); |
caa7fd04 AB |
1859 | } |
1860 | ||
27d41eac YQ |
1861 | namespace selftests { |
1862 | ||
1c28969e SM |
1863 | /* A reference target description, used for testing (see record_xml_tdesc). */ |
1864 | ||
1865 | struct xml_test_tdesc | |
1866 | { | |
1867 | xml_test_tdesc (const char *name, std::unique_ptr<const target_desc> &&tdesc) | |
1868 | : name (name), tdesc (std::move (tdesc)) | |
1869 | {} | |
1870 | ||
1871 | const char *name; | |
1872 | std::unique_ptr<const target_desc> tdesc; | |
1873 | }; | |
1874 | ||
1875 | static std::vector<xml_test_tdesc> xml_tdesc; | |
27d41eac YQ |
1876 | |
1877 | #if GDB_SELF_TEST | |
1878 | ||
405feb71 | 1879 | /* See target-descriptions.h. */ |
27d41eac YQ |
1880 | |
1881 | void | |
1882 | record_xml_tdesc (const char *xml_file, const struct target_desc *tdesc) | |
1883 | { | |
1c28969e | 1884 | xml_tdesc.emplace_back (xml_file, std::unique_ptr<const target_desc> (tdesc)); |
27d41eac YQ |
1885 | } |
1886 | #endif | |
1887 | ||
1888 | } | |
1889 | ||
85102364 | 1890 | /* Test the conversion process of a target description to/from xml: Take a target |
e98577a9 AH |
1891 | description TDESC, convert to xml, back to a description, and confirm the new |
1892 | tdesc is identical to the original. */ | |
1893 | static bool | |
1894 | maintenance_check_tdesc_xml_convert (const target_desc *tdesc, const char *name) | |
1895 | { | |
1896 | const char *xml = tdesc_get_features_xml (tdesc); | |
1897 | ||
1898 | if (xml == nullptr || *xml != '@') | |
1899 | { | |
6cb06a8c TT |
1900 | gdb_printf (_("Could not convert description for %s to xml.\n"), |
1901 | name); | |
e98577a9 AH |
1902 | return false; |
1903 | } | |
1904 | ||
1905 | const target_desc *tdesc_trans = string_read_description_xml (xml + 1); | |
1906 | ||
1907 | if (tdesc_trans == nullptr) | |
1908 | { | |
6cb06a8c TT |
1909 | gdb_printf (_("Could not convert description for %s from xml.\n"), |
1910 | name); | |
e98577a9 AH |
1911 | return false; |
1912 | } | |
1913 | else if (*tdesc != *tdesc_trans) | |
1914 | { | |
6cb06a8c TT |
1915 | gdb_printf (_("Converted description for %s does not match.\n"), |
1916 | name); | |
e98577a9 AH |
1917 | return false; |
1918 | } | |
1919 | return true; | |
1920 | } | |
1921 | ||
1922 | ||
27d41eac YQ |
1923 | /* Check that the target descriptions created dynamically by |
1924 | architecture-specific code equal the descriptions created from XML files | |
1925 | found in the specified directory DIR. */ | |
1926 | ||
1927 | static void | |
e100df1a | 1928 | maintenance_check_xml_descriptions (const char *dir, int from_tty) |
27d41eac YQ |
1929 | { |
1930 | if (dir == NULL) | |
1931 | error (_("Missing dir name")); | |
1932 | ||
1933 | gdb::unique_xmalloc_ptr<char> dir1 (tilde_expand (dir)); | |
1934 | std::string feature_dir (dir1.get ()); | |
1935 | unsigned int failed = 0; | |
1936 | ||
1937 | for (auto const &e : selftests::xml_tdesc) | |
1938 | { | |
1c28969e | 1939 | std::string tdesc_xml = (feature_dir + SLASH_STRING + e.name); |
27d41eac YQ |
1940 | const target_desc *tdesc |
1941 | = file_read_description_xml (tdesc_xml.data ()); | |
1942 | ||
1c28969e | 1943 | if (tdesc == NULL || *tdesc != *e.tdesc) |
e98577a9 | 1944 | { |
6cb06a8c | 1945 | gdb_printf ( _("Descriptions for %s do not match.\n"), e.name); |
e98577a9 AH |
1946 | failed++; |
1947 | } | |
1c28969e SM |
1948 | else if (!maintenance_check_tdesc_xml_convert (tdesc, e.name) |
1949 | || !maintenance_check_tdesc_xml_convert (e.tdesc.get (), e.name)) | |
27d41eac YQ |
1950 | failed++; |
1951 | } | |
6cb06a8c TT |
1952 | gdb_printf (_("Tested %lu XML files, %d failed\n"), |
1953 | (long) selftests::xml_tdesc.size (), failed); | |
27d41eac YQ |
1954 | } |
1955 | ||
6c265988 | 1956 | void _initialize_target_descriptions (); |
23181151 | 1957 | void |
6c265988 | 1958 | _initialize_target_descriptions () |
23181151 | 1959 | { |
20821f4e AB |
1960 | cmd_list_element *cmd; |
1961 | ||
f54bdb6d SM |
1962 | add_setshow_prefix_cmd ("tdesc", class_maintenance, |
1963 | _("Set target description specific variables."), | |
1964 | _("Show target description specific variables."), | |
1965 | &tdesc_set_cmdlist, &tdesc_show_cmdlist, | |
1966 | &setlist, &showlist); | |
1967 | ||
0743fc83 | 1968 | add_basic_prefix_cmd ("tdesc", class_maintenance, _("\ |
23181151 | 1969 | Unset target description specific variables."), |
2f822da5 | 1970 | &tdesc_unset_cmdlist, |
0743fc83 | 1971 | 0 /* allow-unknown */, &unsetlist); |
23181151 DJ |
1972 | |
1973 | add_setshow_filename_cmd ("filename", class_obscure, | |
6ecd4729 | 1974 | &tdesc_filename_cmd_string, |
23181151 | 1975 | _("\ |
590042fc PW |
1976 | Set the file to read for an XML target description."), _("\ |
1977 | Show the file to read for an XML target description."), _("\ | |
23181151 DJ |
1978 | When set, GDB will read the target description from a local\n\ |
1979 | file instead of querying the remote target."), | |
1980 | set_tdesc_filename_cmd, | |
1981 | show_tdesc_filename_cmd, | |
1982 | &tdesc_set_cmdlist, &tdesc_show_cmdlist); | |
1983 | ||
1984 | add_cmd ("filename", class_obscure, unset_tdesc_filename_cmd, _("\ | |
590042fc PW |
1985 | Unset the file to read for an XML target description.\n\ |
1986 | When unset, GDB will read the description from the target."), | |
23181151 | 1987 | &tdesc_unset_cmdlist); |
81adfced | 1988 | |
ab33b152 AB |
1989 | auto grp = make_maint_print_c_tdesc_options_def_group (nullptr); |
1990 | static std::string help_text | |
1991 | = gdb::option::build_help (_("\ | |
1992 | Print the current target description as a C source file.\n\ | |
1993 | Usage: maintenance print c-tdesc [OPTION] [FILENAME]\n\ | |
1994 | \n\ | |
1995 | Options:\n\ | |
1996 | %OPTIONS%\n\ | |
1997 | \n\ | |
1998 | When FILENAME is not provided then print the current target\n\ | |
1999 | description, otherwise an XML target description is read from\n\ | |
2000 | FILENAME and printed as a C function.\n\ | |
2001 | \n\ | |
2002 | When '-single-feature' is used then the target description should\n\ | |
2003 | contain a single feature and the generated C code will only create\n\ | |
2004 | that feature within an already existing target_desc object."), grp); | |
2005 | cmd = add_cmd ("c-tdesc", class_maintenance, maint_print_c_tdesc_cmd, | |
2006 | help_text.c_str (), &maintenanceprintlist); | |
2007 | set_cmd_completer_handle_brkchars (cmd, maint_print_c_tdesc_cmd_completer); | |
27d41eac | 2008 | |
caa7fd04 AB |
2009 | cmd = add_cmd ("xml-tdesc", class_maintenance, maint_print_xml_tdesc_cmd, _("\ |
2010 | Print the current target description as an XML file."), | |
2011 | &maintenanceprintlist); | |
2012 | set_cmd_completer (cmd, filename_completer); | |
2013 | ||
27d41eac YQ |
2014 | cmd = add_cmd ("xml-descriptions", class_maintenance, |
2015 | maintenance_check_xml_descriptions, _("\ | |
590042fc | 2016 | Check equality of GDB target descriptions and XML created descriptions.\n\ |
27d41eac YQ |
2017 | Check the target descriptions created in GDB equal the descriptions\n\ |
2018 | created from XML files in the directory.\n\ | |
2019 | The parameter is the directory name."), | |
2020 | &maintenancechecklist); | |
2021 | set_cmd_completer (cmd, filename_completer); | |
23181151 | 2022 | } |