1 /* Copyright (C) 1998-2002, 2004, 2006, 2012 Red Hat, Inc.
2 This file is part of elfutils.
3 Written by Ulrich Drepper <drepper@redhat.com>, 1998.
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 elfutils is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include ELFUTILS_HEADER(dw)
29 #include "../libdw/known-dwarf.h"
32 dwarf_tag_string (unsigned int tag)
36 #define ONE_KNOWN_DW_TAG(NAME, CODE) case CODE: return #NAME;
38 #undef ONE_KNOWN_DW_TAG
45 dwarf_attr_string (unsigned int attrnum)
49 #define ONE_KNOWN_DW_AT(NAME, CODE) case CODE: return #NAME;
51 #undef ONE_KNOWN_DW_AT
59 handle (Dwarf *dbg, Dwarf_Die *die, int n)
72 tag = dwarf_tag (die);
73 if (tag != DW_TAG_invalid)
75 str = dwarf_tag_string (tag);
78 snprintf (buf, sizeof buf, "%#x", tag);
85 name = dwarf_diename (die);
89 off = dwarf_dieoffset (die);
90 cuoff = dwarf_cuoffset (die);
92 printf ("%*sDW_TAG_%s\n", n * 5, "", str);
93 printf ("%*s Name : %s\n", n * 5, "", name);
94 printf ("%*s Offset : %lld\n", n * 5, "", (long long int) off);
95 printf ("%*s CU offset : %lld\n", n * 5, "", (long long int) cuoff);
97 printf ("%*s Attrs :", n * 5, "");
98 for (cnt = 0; cnt < 0xffff; ++cnt)
99 if (dwarf_hasattr (die, cnt))
100 printf (" %s", dwarf_attr_string (cnt));
103 if (dwarf_hasattr (die, DW_AT_low_pc) && dwarf_lowpc (die, &addr) == 0)
105 Dwarf_Attribute attr;
107 printf ("%*s low PC : %#llx\n",
108 n * 5, "", (unsigned long long int) addr);
110 if (dwarf_attr (die, DW_AT_low_pc, &attr) == NULL
111 || dwarf_formaddr (&attr, &addr2) != 0
113 puts ("************* DW_AT_low_pc verify failed ************");
114 else if (! dwarf_hasform (&attr, DW_FORM_addr))
115 puts ("************* DW_AT_low_pc form failed ************");
116 else if (dwarf_whatform (&attr) != DW_FORM_addr)
117 puts ("************* DW_AT_low_pc form (2) failed ************");
118 else if (dwarf_whatattr (&attr) != DW_AT_low_pc)
119 puts ("************* DW_AT_low_pc attr failed ************");
121 if (dwarf_hasattr (die, DW_AT_high_pc) && dwarf_highpc (die, &addr) == 0)
123 Dwarf_Attribute attr;
125 printf ("%*s high PC : %#llx\n",
126 n * 5, "", (unsigned long long int) addr);
127 if (dwarf_attr (die, DW_AT_high_pc, &attr) == NULL
128 || dwarf_formaddr (&attr, &addr2) != 0
130 puts ("************* DW_AT_high_pc verify failed ************");
131 else if (! dwarf_hasform (&attr, DW_FORM_addr))
132 puts ("************* DW_AT_high_pc form failed ************");
133 else if (dwarf_whatform (&attr) != DW_FORM_addr)
134 puts ("************* DW_AT_high_pc form (2) failed ************");
135 else if (dwarf_whatattr (&attr) != DW_AT_high_pc)
136 puts ("************* DW_AT_high_pc attr failed ************");
139 if (dwarf_hasattr (die, DW_AT_byte_size) && (i = dwarf_bytesize (die)) != -1)
141 Dwarf_Attribute attr;
144 printf ("%*s byte size : %d\n", n * 5, "", i);
145 if (dwarf_attr (die, DW_AT_byte_size, &attr) == NULL
146 || dwarf_formudata (&attr, &u2) != 0
148 puts ("************* DW_AT_byte_size verify failed ************");
149 else if (! dwarf_hasform (&attr, DW_FORM_data1)
150 && ! dwarf_hasform (&attr, DW_FORM_data2)
151 && ! dwarf_hasform (&attr, DW_FORM_data4)
152 && ! dwarf_hasform (&attr, DW_FORM_data8)
153 && ! dwarf_hasform (&attr, DW_FORM_sdata)
154 && ! dwarf_hasform (&attr, DW_FORM_udata))
155 puts ("************* DW_AT_byte_size form failed ************");
156 else if ((u = dwarf_whatform (&attr)) == 0
157 || (u != DW_FORM_data1
158 && u != DW_FORM_data2
159 && u != DW_FORM_data4
160 && u != DW_FORM_data8
161 && u != DW_FORM_sdata
162 && u != DW_FORM_udata))
163 puts ("************* DW_AT_byte_size form (2) failed ************");
164 else if (dwarf_whatattr (&attr) != DW_AT_byte_size)
165 puts ("************* DW_AT_byte_size attr failed ************");
167 if (dwarf_hasattr (die, DW_AT_bit_size) && (i = dwarf_bitsize (die)) != -1)
169 Dwarf_Attribute attr;
172 printf ("%*s bit size : %d\n", n * 5, "", i);
173 if (dwarf_attr (die, DW_AT_bit_size, &attr) == NULL
174 || dwarf_formudata (&attr, &u2) != 0
176 puts ("************* DW_AT_bit_size test failed ************");
177 else if (! dwarf_hasform (&attr, DW_FORM_data1)
178 && ! dwarf_hasform (&attr, DW_FORM_data2)
179 && ! dwarf_hasform (&attr, DW_FORM_data4)
180 && ! dwarf_hasform (&attr, DW_FORM_data8)
181 && ! dwarf_hasform (&attr, DW_FORM_sdata)
182 && ! dwarf_hasform (&attr, DW_FORM_udata))
183 puts ("************* DW_AT_bit_size form failed ************");
184 else if ((u = dwarf_whatform (&attr)) == 0
185 || (u != DW_FORM_data1
186 && u != DW_FORM_data2
187 && u != DW_FORM_data4
188 && u != DW_FORM_data8
189 && u != DW_FORM_sdata
190 && u != DW_FORM_udata))
191 puts ("************* DW_AT_bit_size form (2) failed ************");
192 else if (dwarf_whatattr (&attr) != DW_AT_bit_size)
193 puts ("************* DW_AT_bit_size attr failed ************");
195 if (dwarf_hasattr (die, DW_AT_bit_offset)
196 && (i = dwarf_bitoffset (die)) != -1)
198 Dwarf_Attribute attr;
201 printf ("%*s bit offset: %d\n", n * 5, "", i);
202 if (dwarf_attr (die, DW_AT_bit_offset, &attr) == NULL
203 || dwarf_formudata (&attr, &u2) != 0
205 puts ("************* DW_AT_bit_offset test failed ************");
206 else if (! dwarf_hasform (&attr, DW_FORM_data1)
207 && ! dwarf_hasform (&attr, DW_FORM_data2)
208 && ! dwarf_hasform (&attr, DW_FORM_data4)
209 && ! dwarf_hasform (&attr, DW_FORM_data8)
210 && ! dwarf_hasform (&attr, DW_FORM_sdata)
211 && ! dwarf_hasform (&attr, DW_FORM_udata))
212 puts ("************* DW_AT_bit_offset form failed ************");
213 else if ((u = dwarf_whatform (&attr)) == 0
214 || (u != DW_FORM_data1
215 && u != DW_FORM_data2
216 && u != DW_FORM_data4
217 && u != DW_FORM_data8
218 && u != DW_FORM_sdata
219 && u != DW_FORM_udata))
220 puts ("************* DW_AT_bit_offset form (2) failed ************");
221 else if (dwarf_whatattr (&attr) != DW_AT_bit_offset)
222 puts ("************* DW_AT_bit_offset attr failed ************");
225 if (dwarf_hasattr (die, DW_AT_language) && (i = dwarf_srclang (die)) != -1)
227 Dwarf_Attribute attr;
230 printf ("%*s language : %d\n", n * 5, "", i);
231 if (dwarf_attr (die, DW_AT_language, &attr) == NULL
232 || dwarf_formudata (&attr, &u2) != 0
234 puts ("************* DW_AT_language test failed ************");
235 else if (! dwarf_hasform (&attr, DW_FORM_data1)
236 && ! dwarf_hasform (&attr, DW_FORM_data2)
237 && ! dwarf_hasform (&attr, DW_FORM_data4)
238 && ! dwarf_hasform (&attr, DW_FORM_data8)
239 && ! dwarf_hasform (&attr, DW_FORM_sdata)
240 && ! dwarf_hasform (&attr, DW_FORM_udata))
241 puts ("************* DW_AT_language form failed ************");
242 else if ((u = dwarf_whatform (&attr)) == 0
243 || (u != DW_FORM_data1
244 && u != DW_FORM_data2
245 && u != DW_FORM_data4
246 && u != DW_FORM_data8
247 && u != DW_FORM_sdata
248 && u != DW_FORM_udata))
249 puts ("************* DW_AT_language form (2) failed ************");
250 else if (dwarf_whatattr (&attr) != DW_AT_language)
251 puts ("************* DW_AT_language attr failed ************");
254 if (dwarf_hasattr (die, DW_AT_ordering)
255 && (i = dwarf_arrayorder (die)) != -1)
257 Dwarf_Attribute attr;
260 printf ("%*s ordering : %d\n", n * 5, "", i);
261 if (dwarf_attr (die, DW_AT_ordering, &attr) == NULL
262 || dwarf_formudata (&attr, &u2) != 0
264 puts ("************* DW_AT_ordering test failed ************");
265 else if (! dwarf_hasform (&attr, DW_FORM_data1)
266 && ! dwarf_hasform (&attr, DW_FORM_data2)
267 && ! dwarf_hasform (&attr, DW_FORM_data4)
268 && ! dwarf_hasform (&attr, DW_FORM_data8)
269 && ! dwarf_hasform (&attr, DW_FORM_sdata)
270 && ! dwarf_hasform (&attr, DW_FORM_udata))
271 puts ("************* DW_AT_ordering failed ************");
272 else if ((u = dwarf_whatform (&attr)) == 0
273 || (u != DW_FORM_data1
274 && u != DW_FORM_data2
275 && u != DW_FORM_data4
276 && u != DW_FORM_data8
277 && u != DW_FORM_sdata
278 && u != DW_FORM_udata))
279 puts ("************* DW_AT_ordering form (2) failed ************");
280 else if (dwarf_whatattr (&attr) != DW_AT_ordering)
281 puts ("************* DW_AT_ordering attr failed ************");
284 if (dwarf_hasattr (die, DW_AT_comp_dir))
286 Dwarf_Attribute attr;
287 if (dwarf_attr (die, DW_AT_comp_dir, &attr) == NULL
288 || (name = dwarf_formstring (&attr)) == NULL)
289 puts ("************* DW_AT_comp_dir attr failed ************");
291 printf ("%*s directory : %s\n", n * 5, "", name);
294 if (dwarf_hasattr (die, DW_AT_producer))
296 Dwarf_Attribute attr;
297 if (dwarf_attr (die, DW_AT_producer, &attr) == NULL
298 || (name = dwarf_formstring (&attr)) == NULL)
299 puts ("************* DW_AT_comp_dir attr failed ************");
301 printf ("%*s producer : %s\n", n * 5, "", name);
304 if (dwarf_haschildren (die) != 0 && dwarf_child (die, &child) == 0)
305 handle (dbg, &child, n + 1);
306 if (dwarf_siblingof (die, die) == 0)
307 handle (dbg, die, n);
312 main (int argc, char *argv[])
316 for (cnt = 1; cnt < argc; ++cnt)
318 int fd = open (argv[cnt], O_RDONLY);
321 printf ("file: %s\n", basename (argv[cnt]));
323 dbg = dwarf_begin (fd, DWARF_C_READ);
326 printf ("%s not usable\n", argv[cnt]);
332 Dwarf_Off old_off = 0;
337 while (dwarf_nextcu (dbg, off, &off, &hsize, &abbrev, &addresssize,
340 printf ("New CU: off = %llu, hsize = %zu, ab = %llu, as = %" PRIu8
341 ", os = %" PRIu8 "\n",
342 (unsigned long long int) old_off, hsize,
343 (unsigned long long int) abbrev, addresssize,
347 if (dwarf_offdie (dbg, old_off + hsize, &die) != NULL)
348 handle (dbg, &die, 1);