|
1 /* |
|
2 |
|
3 Copyright (C) 2000,2004 Silicon Graphics, Inc. All Rights Reserved. |
|
4 Portions Copyright 2002 Sun Microsystems, Inc. All rights reserved. |
|
5 |
|
6 This program is free software; you can redistribute it and/or modify it |
|
7 under the terms of version 2.1 of the GNU Lesser General Public License |
|
8 as published by the Free Software Foundation. |
|
9 |
|
10 This program is distributed in the hope that it would be useful, but |
|
11 WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
|
13 |
|
14 Further, this software is distributed without any warranty that it is |
|
15 free of the rightful claim of any third person regarding infringement |
|
16 or the like. Any license provided herein, whether implied or |
|
17 otherwise, applies only to this software file. Patent licenses, if |
|
18 any, provided herein do not apply to combinations of this program with |
|
19 other software, or any other product whatsoever. |
|
20 |
|
21 You should have received a copy of the GNU Lesser General Public |
|
22 License along with this program; if not, write the Free Software |
|
23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, |
|
24 USA. |
|
25 |
|
26 Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, |
|
27 Mountain View, CA 94043, or: |
|
28 |
|
29 http://www.sgi.com |
|
30 |
|
31 For further information regarding this notice, see: |
|
32 |
|
33 http://oss.sgi.com/projects/GenInfo/NoticeExplan |
|
34 |
|
35 */ |
|
36 |
|
37 |
|
38 |
|
39 #include "config.h" |
|
40 #include "libdwarfdefs.h" |
|
41 #include <stdio.h> |
|
42 #include <string.h> |
|
43 #include "pro_incl.h" |
|
44 #include "pro_die.h" |
|
45 |
|
46 #ifndef R_MIPS_NONE |
|
47 #define R_MIPS_NONE 0 |
|
48 #endif |
|
49 |
|
50 /* adds an attribute to a die */ |
|
51 void _dwarf_pro_add_at_to_die(Dwarf_P_Die die, Dwarf_P_Attribute attr); |
|
52 |
|
53 /*---------------------------------------------------------------------------- |
|
54 This function creates a new die. |
|
55 tag: tag of the new die to be created |
|
56 parent,child,left,right: specify neighbors of the new die. Only |
|
57 one of these may be non-null |
|
58 -----------------------------------------------------------------------------*/ |
|
59 Dwarf_P_Die |
|
60 dwarf_new_die(Dwarf_P_Debug dbg, |
|
61 Dwarf_Tag tag, |
|
62 Dwarf_P_Die parent, |
|
63 Dwarf_P_Die child, |
|
64 Dwarf_P_Die left, Dwarf_P_Die right, Dwarf_Error * error) |
|
65 { |
|
66 Dwarf_P_Die new_die, ret_die; |
|
67 |
|
68 new_die = (Dwarf_P_Die) |
|
69 _dwarf_p_get_alloc(dbg, sizeof(struct Dwarf_P_Die_s)); |
|
70 if (new_die == NULL) { |
|
71 DWARF_P_DBG_ERROR(dbg, DW_DLE_DIE_ALLOC, |
|
72 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
73 } |
|
74 new_die->di_parent = NULL; |
|
75 new_die->di_left = NULL; |
|
76 new_die->di_right = NULL; |
|
77 new_die->di_child = NULL; |
|
78 new_die->di_tag = tag; |
|
79 new_die->di_dbg = dbg; |
|
80 new_die->di_marker = 0; |
|
81 ret_die = |
|
82 dwarf_die_link(new_die, parent, child, left, right, error); |
|
83 return ret_die; |
|
84 } |
|
85 |
|
86 /*---------------------------------------------------------------------------- |
|
87 This function links up a die to specified neighbors |
|
88 parent,child,left,right: specify neighbors of the new die. Only |
|
89 one of these may be non-null |
|
90 -----------------------------------------------------------------------------*/ |
|
91 Dwarf_P_Die |
|
92 dwarf_die_link(Dwarf_P_Die new_die, |
|
93 Dwarf_P_Die parent, |
|
94 Dwarf_P_Die child, |
|
95 Dwarf_P_Die left, Dwarf_P_Die right, Dwarf_Error * error) |
|
96 { |
|
97 int n_nulls; /* to count # of non null neighbors */ |
|
98 Dwarf_P_Die orig; |
|
99 |
|
100 n_nulls = 0; |
|
101 if (parent != NULL) { |
|
102 n_nulls++; |
|
103 if (new_die->di_parent != NULL) { |
|
104 DWARF_P_DBG_ERROR(NULL, DW_DLE_LINK_LOOP, |
|
105 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
106 } |
|
107 new_die->di_parent = parent; |
|
108 if (parent->di_child) { /* got to traverse the child's siblings |
|
109 */ |
|
110 Dwarf_P_Die curdie; |
|
111 |
|
112 curdie = parent->di_child; |
|
113 orig = curdie; |
|
114 while (curdie->di_right) { |
|
115 curdie = curdie->di_right; |
|
116 if (curdie == orig || curdie == curdie->di_right) { |
|
117 DWARF_P_DBG_ERROR(NULL, DW_DLE_LINK_LOOP, |
|
118 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
119 } |
|
120 } |
|
121 curdie->di_right = new_die; /* attach to sibling list */ |
|
122 new_die->di_left = curdie; /* back pointer */ |
|
123 } else |
|
124 parent->di_child = new_die; |
|
125 } |
|
126 if (child != NULL) { |
|
127 n_nulls++; |
|
128 new_die->di_child = child; |
|
129 if (child->di_parent) { |
|
130 DWARF_P_DBG_ERROR(NULL, DW_DLE_PARENT_EXISTS, |
|
131 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
132 } else { |
|
133 child->di_parent = new_die; |
|
134 } |
|
135 } |
|
136 if (left != NULL) { |
|
137 n_nulls++; |
|
138 new_die->di_left = left; |
|
139 if (left->di_right) /* there's already a right sibl, lets |
|
140 insert */ |
|
141 new_die->di_right = left->di_right; |
|
142 left->di_right = new_die; |
|
143 /* add parent pointer */ |
|
144 if (new_die->di_parent) { |
|
145 DWARF_P_DBG_ERROR(NULL, DW_DLE_PARENT_EXISTS, |
|
146 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
147 } else |
|
148 new_die->di_parent = left->di_parent; |
|
149 } |
|
150 if (right != NULL) { |
|
151 n_nulls++; |
|
152 new_die->di_right = right; |
|
153 if (right->di_left) /* left sibl exists, try inserting */ |
|
154 new_die->di_left = right->di_left; |
|
155 right->di_left = new_die; |
|
156 if (new_die->di_parent) { |
|
157 DWARF_P_DBG_ERROR(NULL, DW_DLE_PARENT_EXISTS, |
|
158 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
159 } else |
|
160 new_die->di_parent = right->di_parent; |
|
161 } |
|
162 if (n_nulls > 1) { /* multiple neighbors, error */ |
|
163 DWARF_P_DBG_ERROR(NULL, DW_DLE_EXTRA_NEIGHBORS, |
|
164 (Dwarf_P_Die) DW_DLV_BADADDR); |
|
165 } |
|
166 return new_die; |
|
167 |
|
168 } |
|
169 |
|
170 Dwarf_Unsigned |
|
171 dwarf_add_die_marker(Dwarf_P_Debug dbg, |
|
172 Dwarf_P_Die die, |
|
173 Dwarf_Unsigned marker, |
|
174 Dwarf_Error * error) |
|
175 { |
|
176 if (die == NULL) { |
|
177 DWARF_P_DBG_ERROR(dbg, DW_DLE_DIE_NULL, DW_DLV_NOCOUNT); |
|
178 } |
|
179 die->di_marker = marker; |
|
180 return 0; |
|
181 } |
|
182 |
|
183 |
|
184 Dwarf_Unsigned |
|
185 dwarf_get_die_marker(Dwarf_P_Debug dbg, |
|
186 Dwarf_P_Die die, |
|
187 Dwarf_Unsigned * marker, |
|
188 Dwarf_Error * error) |
|
189 { |
|
190 if (die == NULL) { |
|
191 DWARF_P_DBG_ERROR(dbg, DW_DLE_DIE_NULL, DW_DLV_NOCOUNT); |
|
192 } |
|
193 *marker = die->di_marker; |
|
194 return 0; |
|
195 } |
|
196 |
|
197 |
|
198 |
|
199 |
|
200 /*---------------------------------------------------------------------------- |
|
201 This function adds a die to dbg struct. It should be called using |
|
202 the root of all the dies. |
|
203 -----------------------------------------------------------------------------*/ |
|
204 Dwarf_Unsigned |
|
205 dwarf_add_die_to_debug(Dwarf_P_Debug dbg, |
|
206 Dwarf_P_Die first_die, Dwarf_Error * error) |
|
207 { |
|
208 if (first_die == NULL) { |
|
209 DWARF_P_DBG_ERROR(dbg, DW_DLE_DIE_NULL, DW_DLV_NOCOUNT); |
|
210 } |
|
211 if (first_die->di_tag != DW_TAG_compile_unit) { |
|
212 DWARF_P_DBG_ERROR(dbg, DW_DLE_WRONG_TAG, DW_DLV_NOCOUNT); |
|
213 } |
|
214 dbg->de_dies = first_die; |
|
215 return 0; |
|
216 } |
|
217 |
|
218 int |
|
219 _dwarf_pro_add_AT_stmt_list(Dwarf_P_Debug dbg, |
|
220 Dwarf_P_Die first_die, Dwarf_Error * error) |
|
221 { |
|
222 Dwarf_P_Attribute new_attr; |
|
223 int uwordb_size = dbg->de_offset_size; |
|
224 |
|
225 /* Add AT_stmt_list attribute */ |
|
226 new_attr = (Dwarf_P_Attribute) |
|
227 _dwarf_p_get_alloc(dbg, sizeof(struct Dwarf_P_Attribute_s)); |
|
228 if (new_attr == NULL) { |
|
229 DWARF_P_DBG_ERROR(NULL, DW_DLE_ATTR_ALLOC, DW_DLV_NOCOUNT); |
|
230 } |
|
231 |
|
232 new_attr->ar_attribute = DW_AT_stmt_list; |
|
233 new_attr->ar_attribute_form = dbg->de_ar_data_attribute_form; |
|
234 new_attr->ar_rel_type = dbg->de_offset_reloc; |
|
235 |
|
236 new_attr->ar_nbytes = uwordb_size; |
|
237 new_attr->ar_next = NULL; |
|
238 new_attr->ar_reloc_len = uwordb_size; |
|
239 new_attr->ar_data = (char *) |
|
240 _dwarf_p_get_alloc(dbg, uwordb_size); |
|
241 if (new_attr->ar_data == NULL) { |
|
242 DWARF_P_DBG_ERROR(NULL, DW_DLE_ADDR_ALLOC, DW_DLV_NOCOUNT); |
|
243 } |
|
244 { |
|
245 Dwarf_Unsigned du = 0; |
|
246 |
|
247 WRITE_UNALIGNED(dbg, (void *) new_attr->ar_data, |
|
248 (const void *) &du, sizeof(du), uwordb_size); |
|
249 } |
|
250 |
|
251 _dwarf_pro_add_at_to_die(first_die, new_attr); |
|
252 return 0; |
|
253 } |
|
254 |
|
255 /*----------------------------------------------------------------------------- |
|
256 Add AT_name attribute to die |
|
257 ------------------------------------------------------------------------------*/ |
|
258 Dwarf_P_Attribute |
|
259 dwarf_add_AT_name(Dwarf_P_Die die, char *name, Dwarf_Error * error) |
|
260 { |
|
261 Dwarf_P_Attribute new_attr; |
|
262 |
|
263 if (die == NULL) { |
|
264 DWARF_P_DBG_ERROR(NULL, DW_DLE_DIE_NULL, |
|
265 (Dwarf_P_Attribute) DW_DLV_BADADDR); |
|
266 } |
|
267 new_attr = (Dwarf_P_Attribute) |
|
268 _dwarf_p_get_alloc(die->di_dbg,sizeof(struct Dwarf_P_Attribute_s)); |
|
269 if (new_attr == NULL) { |
|
270 DWARF_P_DBG_ERROR(NULL, DW_DLE_ATTR_ALLOC, |
|
271 (Dwarf_P_Attribute) DW_DLV_BADADDR); |
|
272 } |
|
273 |
|
274 /* fill in the information */ |
|
275 new_attr->ar_attribute = DW_AT_name; |
|
276 /* assume that form is string, no debug_str yet */ |
|
277 new_attr->ar_attribute_form = DW_FORM_string; |
|
278 new_attr->ar_nbytes = strlen(name) + 1; |
|
279 new_attr->ar_next = NULL; |
|
280 new_attr->ar_reloc_len = 0; |
|
281 new_attr->ar_data = (char *) |
|
282 _dwarf_p_get_alloc(die->di_dbg, strlen(name)+1); |
|
283 if (new_attr->ar_data == NULL) { |
|
284 DWARF_P_DBG_ERROR(NULL, DW_DLE_STRING_ALLOC, |
|
285 (Dwarf_P_Attribute) DW_DLV_BADADDR); |
|
286 } |
|
287 strcpy(new_attr->ar_data, name); |
|
288 |
|
289 new_attr->ar_rel_type = R_MIPS_NONE; |
|
290 |
|
291 /* add attribute to the die */ |
|
292 _dwarf_pro_add_at_to_die(die, new_attr); |
|
293 return new_attr; |
|
294 } |
|
295 |
|
296 |
|
297 /*----------------------------------------------------------------------------- |
|
298 Add AT_comp_dir attribute to die |
|
299 ------------------------------------------------------------------------------*/ |
|
300 Dwarf_P_Attribute |
|
301 dwarf_add_AT_comp_dir(Dwarf_P_Die ownerdie, |
|
302 char *current_working_directory, |
|
303 Dwarf_Error * error) |
|
304 { |
|
305 Dwarf_P_Attribute new_attr; |
|
306 |
|
307 if (ownerdie == NULL) { |
|
308 DWARF_P_DBG_ERROR(NULL, DW_DLE_DIE_NULL, |
|
309 (Dwarf_P_Attribute) DW_DLV_BADADDR); |
|
310 } |
|
311 new_attr = (Dwarf_P_Attribute) |
|
312 _dwarf_p_get_alloc(ownerdie->di_dbg,sizeof(struct Dwarf_P_Attribute_s)); |
|
313 if (new_attr == NULL) { |
|
314 DWARF_P_DBG_ERROR(NULL, DW_DLE_ATTR_ALLOC, |
|
315 (Dwarf_P_Attribute) DW_DLV_BADADDR); |
|
316 } |
|
317 |
|
318 /* fill in the information */ |
|
319 new_attr->ar_attribute = DW_AT_comp_dir; |
|
320 /* assume that form is string, no debug_str yet */ |
|
321 new_attr->ar_attribute_form = DW_FORM_string; |
|
322 new_attr->ar_nbytes = strlen(current_working_directory) + 1; |
|
323 new_attr->ar_next = NULL; |
|
324 new_attr->ar_reloc_len = 0; |
|
325 new_attr->ar_data = (char *) |
|
326 _dwarf_p_get_alloc(ownerdie->di_dbg, strlen(current_working_directory)+1); |
|
327 if (new_attr->ar_data == NULL) { |
|
328 DWARF_P_DBG_ERROR(NULL, DW_DLE_STRING_ALLOC, |
|
329 (Dwarf_P_Attribute) DW_DLV_BADADDR); |
|
330 } |
|
331 strcpy(new_attr->ar_data, current_working_directory); |
|
332 |
|
333 new_attr->ar_rel_type = R_MIPS_NONE; |
|
334 |
|
335 /* add attribute to the die */ |
|
336 _dwarf_pro_add_at_to_die(ownerdie, new_attr); |
|
337 return new_attr; |
|
338 } |
|
339 |
|
340 int |
|
341 _dwarf_pro_add_AT_fde(Dwarf_P_Debug dbg, |
|
342 Dwarf_P_Die die, |
|
343 Dwarf_Unsigned offset, Dwarf_Error * error) |
|
344 { |
|
345 Dwarf_P_Attribute new_attr; |
|
346 int uwordb_size = dbg->de_offset_size; |
|
347 |
|
348 if (die == NULL) { |
|
349 DWARF_P_DBG_ERROR(NULL, DW_DLE_DIE_NULL, -1); |
|
350 } |
|
351 new_attr = (Dwarf_P_Attribute) |
|
352 _dwarf_p_get_alloc(dbg,sizeof(struct Dwarf_P_Attribute_s)); |
|
353 if (new_attr == NULL) { |
|
354 DWARF_P_DBG_ERROR(NULL, DW_DLE_ATTR_ALLOC, -1); |
|
355 } |
|
356 |
|
357 /* fill in the information */ |
|
358 new_attr->ar_attribute = DW_AT_MIPS_fde; |
|
359 new_attr->ar_attribute_form = dbg->de_ar_data_attribute_form;; |
|
360 new_attr->ar_rel_type = dbg->de_offset_reloc; |
|
361 new_attr->ar_nbytes = uwordb_size; |
|
362 new_attr->ar_next = NULL; |
|
363 new_attr->ar_reloc_len = uwordb_size; |
|
364 new_attr->ar_data = (char *) |
|
365 _dwarf_p_get_alloc(dbg, uwordb_size); |
|
366 if (new_attr->ar_data == NULL) { |
|
367 DWARF_P_DBG_ERROR(NULL, DW_DLE_ADDR_ALLOC, DW_DLV_NOCOUNT); |
|
368 } |
|
369 { |
|
370 Dwarf_Unsigned du = offset; |
|
371 |
|
372 WRITE_UNALIGNED(dbg, (void *) new_attr->ar_data, |
|
373 (const void *) &du, sizeof(du), uwordb_size); |
|
374 } |
|
375 |
|
376 _dwarf_pro_add_at_to_die(die, new_attr); |
|
377 |
|
378 return 0; |
|
379 } |
|
380 |
|
381 int |
|
382 _dwarf_pro_add_AT_macro_info(Dwarf_P_Debug dbg, |
|
383 Dwarf_P_Die die, |
|
384 Dwarf_Unsigned offset, Dwarf_Error * error) |
|
385 { |
|
386 Dwarf_P_Attribute new_attr; |
|
387 int uwordb_size = dbg->de_offset_size; |
|
388 |
|
389 if (die == NULL) { |
|
390 DWARF_P_DBG_ERROR(NULL, DW_DLE_DIE_NULL, -1); |
|
391 } |
|
392 new_attr = (Dwarf_P_Attribute) |
|
393 _dwarf_p_get_alloc(dbg,sizeof(struct Dwarf_P_Attribute_s)); |
|
394 if (new_attr == NULL) { |
|
395 DWARF_P_DBG_ERROR(NULL, DW_DLE_ATTR_ALLOC, -1); |
|
396 } |
|
397 |
|
398 /* fill in the information */ |
|
399 new_attr->ar_attribute = DW_AT_macro_info; |
|
400 new_attr->ar_attribute_form = dbg->de_ar_data_attribute_form; |
|
401 new_attr->ar_rel_type = dbg->de_offset_reloc; |
|
402 |
|
403 new_attr->ar_nbytes = uwordb_size; |
|
404 new_attr->ar_next = NULL; |
|
405 new_attr->ar_reloc_len = uwordb_size; |
|
406 new_attr->ar_data = (char *) |
|
407 _dwarf_p_get_alloc(dbg, uwordb_size); |
|
408 if (new_attr->ar_data == NULL) { |
|
409 DWARF_P_DBG_ERROR(NULL, DW_DLE_ADDR_ALLOC, DW_DLV_NOCOUNT); |
|
410 } |
|
411 { |
|
412 Dwarf_Unsigned du = offset; |
|
413 |
|
414 WRITE_UNALIGNED(dbg, (void *) new_attr->ar_data, |
|
415 (const void *) &du, sizeof(du), uwordb_size); |
|
416 } |
|
417 |
|
418 _dwarf_pro_add_at_to_die(die, new_attr); |
|
419 |
|
420 return 0; |
|
421 } |
|
422 |
|
423 |
|
424 void |
|
425 _dwarf_pro_add_at_to_die(Dwarf_P_Die die, Dwarf_P_Attribute attr) |
|
426 { |
|
427 if (die->di_last_attr) { |
|
428 die->di_last_attr->ar_next = attr; |
|
429 die->di_last_attr = attr; |
|
430 die->di_n_attr++; |
|
431 } else { |
|
432 die->di_n_attr = 1; |
|
433 die->di_attrs = die->di_last_attr = attr; |
|
434 } |
|
435 } |