1 2018-06-22 Mark Wielaard <mark@klomp.org>
3 * dwarf_nextcu.c (__libdw_next_unit): Set next_off to -1 when it would
6 2018-06-18 Mark Wielaard <mark@klomp.org>
8 * dwarf_aggregate_size.c (array_size): New depth argument. Use
9 aggregate_size instead of dwarf_aggregate_size and pass depth.
10 (aggregate_size): New depth argument. Check depth isn't bigger
11 than MAX_DEPTH (256). Pass depth to recursive calls.
12 (dwarf_aggregate_size): ass zero as depth to aggregate_size.
14 2018-06-18 Mark Wielaard <mark@klomp.org>
16 * dwarf_peel_type.c (dwarf_peel_type): Limit modifier chain to 64.
18 2018-06-18 Mark Wielaard <mark@klomp.org>
20 * dwarf_aggregate_size.c (aggregate_size): Check die is not NULL.
22 2018-06-17 Luiz Angelo Daros de Luca <luizluca@gmail.com>
24 * dwarf_getsrclines.c (read_srclines): Intialize filelist early.
26 2018-06-15 Mark Wielaard <mark@klomp.org>
28 * dwarf_getlocation.c (check_constant_offset): Clarify DW_FORM_data16
29 isn't really a constant.
30 (dwarf_getlocation): Don't handle DW_FORM_data16 as block.
31 (dwarf_getlocation_addr): Likewise.
32 (dwarf_getlocations): Likewise.
34 2018-06-12 Mark Wielaard <mark@klomp.org>
36 * memory-access.h (read_3ubyte_unaligned_inc): New define.
38 2018-06-12 Mark Wielaard <mark@klomp.org>
40 * libdw.h (__libdw_dieabbrev): Set die->abbrev to DWARF_END_ABBREV
43 2018-06-10 Mark Wielaard <mark@klomp.org>
45 * dwarf_attr_integrate.c (dwarf_attr_integrate): Stop after 16 DIE
47 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise.
49 2018-06-08 Mark Wielaard <mark@klomp.org>
51 * dwarf_getabbrev.c (dwarf_getabbrev): Check die and offset.
53 2018-06-08 Mark Wielaard <mark@klomp.org>
55 * dwarf_get_units.c (dwarf_get_units): Handle existing error, no
58 2018-06-08 Mark Wielaard <mark@klomp.org>
60 * dwarf_getlocation.c (store_implicit_value): Return error when
61 seeing bad DWARF or when tsearch runs out of memory.
62 (__libdw_intern_expression): Report error when store_implicit_value
65 2018-06-08 Mark Wielaard <mark@klomp.org>
67 * dwarf_getsrclines.c (read_srclines): Sanity check ndirs and nfiles.
69 2018-06-08 Mark Wielaard <mark@klomp.org>
71 * dwarf_getlocation_attr.c (addr_valp): Set error and return NULL
72 when there is no .debug_addr section.
73 (dwarf_getlocation_attr): If addr_valp returns NULL, then return -1.
75 2018-06-07 Mark Wielaard <mark@klomp.org>
77 * libdw_findcu.c (__libdw_intern_next_unit): Report DWARF_E_VERSION,
78 not DWARF_E_INVALID_DWARF on unknown version. Set address_size and
79 offset_size to 8 when unknown.
81 2018-06-06 Mark Wielaard <mark@klomp.org>
83 * libdwP.h (__libdw_dieabbrev): Check DIE addr falls in cu.
85 2018-06-06 Mark Wielaard <mark@klomp.org>
87 * dwarf_getlocation_die.c (dwarf_getlocation_die): Check offset
90 2018-06-05 Mark Wielaard <mark@klomp.org>
92 * dwarf_getsrclines.c (read_srclines): Explicitly set diridx to -1
93 in case dwarf_formudata fails.
95 2018-06-05 Mark Wielaard <mark@klomp.org>
97 * dwarf_getaranges (dwarf_getaranges): Free new_arange if
100 2018-06-05 Mark Wielaard <mark@klomp.org>
102 * dwarf_getsrclines.c (read_srclines): Define dirarray early and
103 check whether or not it is equal to dirstack on exit/out before
106 2018-06-05 Mark Wielaard <mark@klomp.org>
108 * dwarf_getalt.c (find_debug_altlink): id_path array should be 2
109 larger to contain MAX_BUILD_ID_BYTES.
111 2018-05-31 Mark Wielaard <mark@klomp.org>
113 * libdw_find_split_unit.c (try_split_file): New function extracted
115 (__libdw_find_split_unit): ... here. Try both the relative and
116 absolute paths to find a .dwo file.
118 2018-05-30 Mark Wielaard <mark@klomp.org>
120 * libdw/dwarf_getsrclines.c (read_srclines): Change ndir and
121 ndirlist to size_t. Add check to see ndirlist doesn't overflow.
123 2018-05-31 Mark Wielaard <mark@klomp.org>
125 * dwarf_dieoffset.c: Check die->cu != NULL. Return -1, not ~0ul
128 2018-05-29 Mark Wielaard <mark@klomp.org>
130 * dwarf_cuoffset.c (dwarf_cuoffset): Check die->cu is not NULL.
131 * dwarf_die_addr_die.c (dwarf_die_addr_die): Also search split
133 * libdwP.h (struct Dwarf): Add split_tree field.
134 (__libdw_find_split_dbg_addr): New internal function definition.
135 (__libdw_finddbg_cb): Likewise.
136 * libdw_find_split_unit.c (__libdw_find_split_unit): Insert split
137 Dwarf into skeleton dbg split_tree.
138 * libdw_findcu.c (__libdw_finddbg_cb): New function.
139 (__libdw_find_split_dbg_addr): Likewise.
140 * dwarf_end (dwarf_end): Destroy split_tree.
142 2018-05-29 Mark Wielaard <mark@klomp.org>
144 * dwarf.h: Add GNU DebugFission list entry encodings
145 DW_LLE_GNU_end_of_list_entry,
146 DW_LLE_GNU_base_address_selection_entry,
147 DW_LLE_GNU_start_end_entry and DW_LLE_GNU_start_length_entry.
148 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle
149 GNU DebugFission list entries.
151 2018-05-28 Mark Wielaard <mark@klomp.org>
153 * libdw_find_split_unit.c (__libdw_find_split_unit): End split_dwarf
154 only after we tried every unit id in it.
156 2018-04-07 Mark Wielaard <mark@klomp.org>
158 * libdwP.h (struct Dwarf_CU): Add locs_base.
159 (__libdw_cu_locs_base): New static inline function.
160 * libdw_findcu.c (__libdw_intern_next_unit): Initialize locs_base.
161 * dwarf_begin_elf.c (valid_p): Create fake_loclists_cu if necessary.
162 * dwarf_end.c (dwarf_end): Clean up fake_loclists_cu.
163 * dwarf_getlocation.c (initial_offset): Handle .debug_loclists.
164 (getlocations_addr): Likewise.
165 (dwarf_getlocation_addr): Likewise.
166 * dwarf_getlocation_attr.c (attr_form_cu): Use fake_loclists_cu for
168 (initial_offset): Handle DW_FORM_loclistx.
169 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle
171 * libdwP.h (struct Dwarf): Add fake_loclists_cu.
173 2018-04-12 Mark Wielaard <mark@klomp.org>
175 * dwarf.h: Add DWARF5 location list entry DW_LLE encodings.
176 * begin_elf.c (dwarf_scnnames): Add IDX_debug_loclists.
177 * dwarf_error.c (errmsgs): Remove DWARF_E_NO_LOCLIST. And replace
178 with DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and
179 DWARF_E_NO_LOC_VALUE.
180 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_loclists_base
181 and DW_FORM_loclistx.
182 * dwarf_getlocation.c (attr_ok): Use DWARF_E_NO_LOC_VALUE.
183 (initial_offset): Use DWARF_E_NO_DEBUG_LOC.
184 * libdwP.h: Add IDX_debug_rnglists. Remove DWARF_E_NO_LOCLIST.
185 Add DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and
186 DWARF_E_NO_LOC_VALUE.
188 2018-05-25 Mark Wielaard <mark@klomp.org>
190 * libdw_find_split_unit.c (__libdw_find_split_unit): Extract linking
191 skeleton and split compile units code into...
192 * libdwP (__libdw_link_skel_split): ...this new function.
194 2018-04-06 Mark Wielaard <mark@klomp.org>
196 * dwarf_formaddr.c (__libdw_addrx): New function, extracted from...
197 (dwarf_formaddr): here. Use __libdw_addrx.
198 * dwarf_getlocation.c (getlocations_addr): Pass cu to
199 __libdw_read_begin_end_pair_inc.
200 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Take cu as
201 argument. Handle .debug_rnglists.
202 (initial_offset): Handle .debug_rnglists and DW_FORM_rnglistx.
203 (dwarf_ranges): Likewise. Check cu isn't NULL before use. Pass cu to
204 __libdw_read_begin_end_pair_inc.
205 * libdwP.h (__libdw_read_begin_end_pair_inc): Take cu as argument.
206 (__libdw_cu_ranges_base): Handle DW_AT_rnglists_base.
207 (__libdw_addrx): New function definition.
209 2018-04-11 Mark Wielaard <mark@klomp.org>
211 * dwarf.h: Add DWARF5 range list entry DW_RLE encodings.
212 * begin_elf.c (dwarf_scnnames): Add IDX_debug_rnglists.
213 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_RNGLISTS.
214 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_rnglists_base
215 and DW_FORM_rnglistx.
216 * dwarf_getscopes.c (pc_match): Also check for
217 DWARF_E_NO_DEBUG_RNGLISTS.
218 * libdwP.h: Add IDX_debug_rnglists.
220 2018-05-25 Mark Wielaard <mark@klomp.org>
222 * dwarf_getlocation_attr.c (__libdw_cu_addr_base): Cast offset to
223 uintptr_t before returning as pointer.
225 2018-05-22 Mark Wielaard <mark@klomp.org>
227 * dwarf_getlocation.c (__libdw_cu_base_address): Treat errors of
228 getting lowpc or entrypc the same as missing base address (zero).
229 * dwarf_highpc (dwarf_highpc): Handle any address form. Always set
230 error when attribute could not be found.
232 2018-05-21 Mark Wielaard <mark@klomp.org>
234 * dwarf_begin_elf.c (valid_p): Add a fake_addr_cu to the result.
235 * dwarf_end.c (cu_free): Disconnect the fake_addr_cu from the split
236 dwarf if shared with skeleton.
237 (dwarf_end): release fake_addr_cu.
238 * dwarf_formaddr.c (__libdw_cu_addr_base): Move to...
239 * libdwP.h (__libdw_cu_addr_base): ... here.
240 (struct Dwarf): Add fake_addr_cu field.
241 * dwarf_formudata.c (dwarf_formudata): Handle
242 DW_FORM_GNU_addr_index and DW_FORM_addrx[1234].
243 * dwarf_getlocation_attr.c (addr_valp): New static function.
244 (dwarf_getlocation_attr): Create attribute for values of
245 DW_OP_GNU_const_index, DW_OP_constx and DW_OP_GNU_addr_index and
247 * libdw_find_split_unit.c (__libdw_find_split_unit): Connect
248 IDX_debug_addr sectiondata and fake_addr_cu between split and
251 2018-05-20 Mark Wielaard <mark@klomp.org>
253 * dwarf_cu_info.c: New file.
254 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_info.c.
255 * libdw.h (dwarf_cu_info): New function declaration.
256 * libdw.map (ELFUTILS_0.171): Add dwarf_cu_info.
258 2018-05-24 Mark Wielaard <mark@klomp.org>
260 * dwarf_ranges.c (dwarf_ranges): Check for NULL cu.
261 * libdw_findcu.c (__libdw_intern_next_unit): Initialize ranges_base.
263 2018-05-18 Mark Wielaard <mark@klomp.org>
265 * dwarf_formudata.c (__libdw_formptr): Handle the special case
266 of IDX_debug_ranges for DW_UT_split_compile with version < 5.
267 * dwarf_highpc.c (dwarf_highpc): Use dwarf_lowpc, check for
269 * dwarf_lowpc.c (dwarf_lowpc): Check for split compile cudie.
270 * dwarf_ranges.c (dwarf_ranges): Switch cu and sectiondata for
272 * libdwP.h (struct Dwarf_CU): Add ranges_base field.
273 (__libdw_cu_ranges_base): New static inline function.
275 2018-05-18 Mark Wielaard <mark@klomp.org>
277 * libdw_findcu.c (__libdw_intern_next_unit): Init files to NULL.
278 * dwarf_getsrclines.c (dwarf_getsrclines): Handle split units by
279 taking the line table from the skeleton.
280 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Handle split units by
281 only taking the files from .debug_line offset zero (if it exists),
282 otherwise fall back to the skeleton.
284 2018-05-17 Mark Wielaard <mark@klomp.org>
286 * dwarf_begin_elf.c (__libdw_debugdir): New function.
287 (valid_p): Call __libdw_debugdir.
288 * dwarf_end.c (dwarf_end.c): Free debugdir.
289 * dwarf_getalt.c (__libdw_filepath): Extract __libdw_debugdir logic.
290 take debugdir as argument instead of fd.
291 (find_debug_altlink): Call __libdw_filepath with debugdir.
292 * libdwP.h (struct Dwarf): Add debugdir field.
293 (__libdw_debugdir): New function prototype.
294 (__libdw_filepath): Adjust prototype to take a const char * instead of
296 * libdw_find_split_unit.c (__libdw_find_split_unit): Call
297 __libdw_filepath with debugdir.
299 2018-05-17 Mark Wielaard <mark@klomp.org>
301 * dwarf_attr_integrate.c (dwarf_attr_integrate): Handle split_compile
302 unit DIE, search skeleton_compile unit DIE.
303 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise.
304 * libdwP.h (is_cudie): Check cu is not NULL.
306 2018-05-19 Mark Wielaard <mark@klomp.org>
308 * libdwP.h (__libdw_find_split_unit): Mark as internal_function.
310 2018-05-15 Mark Wielaard <mark@klomp.org>
312 * Makefile.am (libdw_a_SOURCES): Add libdw_find_split_unit.c.
313 * dwarf_end.c (cu_free): Free split Dwarf.
314 * dwarf_get_units.c (dwarf_get_units): Handle DW_UT_skeleton by
315 calling __libdw_find_split_unit.
316 * libdwP.h (struct Dwarf_CU): Add split Dwarf_CU field.
317 (__libdw_find_split_unit): New function prototype.
318 (str_offsets_base_off): Use cu Dwarf if dbg is NULL.
319 (filepath): Rename to ...
320 (__libdw_filepath): This. Which is the actual function name in
322 (libdw_find_split_unit.c): New file.
323 * libdw_findcu.c (__libdw_intern_next_unit): Initialize split to -1.
325 2018-05-15 Mark Wielaard <mark@klomp.org>
327 * libdwP.h (__libdw_first_die_from_cu_start): Adjust commented out
329 * libdw_findcu.c (__libdw_intern_next_unit): For version 4 DWARF if
330 the cudie has a DW_AT_GNU_dwi_id set the unit_id8 and unit_type to
331 DW_UT_skeleton or DW_UT_split_compile based on whether the cudie has
332 child DIEs and a DW_AT_GNU_dwo_name attribute.
334 2018-05-14 Mark Wielaard <mark@klomp.org>
336 * dwarf.h: Add GNU Debug Fission extensions. DW_AT_GNU_dwo_name,
337 DW_AT_GNU_dwo_id, DW_AT_GNU_ranges_base, DW_AT_GNU_addr_base,
338 DW_AT_GNU_pubnames, DW_AT_GNU_pubtypes. DW_FORM_GNU_addr_index,
339 DW_FORM_GNU_str_index. DW_OP_GNU_addr_index, DW_OP_GNU_const_index.
340 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_GNU_addr_index
342 (__libdw_cu_addr_base): Check for both DW_AT_GNU_addr_base and
344 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_str_index
346 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_addr_base
347 as addrptr. Recognize DW_AT_GNU_ranges_base as rangelistptr.
348 * dwarf_getlocation.c (__libdw_intern_expression): Handle
349 DW_OP_GNU_addr_index as DW_OP_addrx and DW_OP_GNU_const_index as
351 * libdw_form.c (__libdw_form_val_compute_len): Handle
352 DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index taking an uleb128.
354 2018-05-12 Mark Wielaard <mark@klomp.org>
356 * dwarf_begin_elf.c (check_section): Also recognize .dwo section
359 2018-05-11 Mark Wielaard <mark@klomp.org>
361 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_macros as macptr.
362 * dwarf_getmacros.c (get_table_for_offset): Add DW_MACRO_define_sup,
363 DW_MACRO_undef_sup, DW_MACRO_import_sup, DW_MACRO_define_strx and
364 DW_MACRO_undef_strx. Add str_offsets_base_off to fake CU. Deal with
365 DW_AT_macros. Use libdw_valid_user_form.
367 2018-05-09 Mark Wielaard <mark@klomp.org>
369 * dwarf_formstring.c (__libdw_cu_str_off_base): Moved to...
370 * libdwP.h (__libdw_cu_str_off_base): ...here. Make static inline.
371 (str_offsets_base_off): New internal function that also parses
372 .debug_str_offsets header if necessary.
374 2018-05-11 Mark Wielaard <mark@klomp.org>
376 * dwarf_siblingof.c (dwarf_siblingof): Don't reference cu till it is
377 known the Dwarf_Die is came from is valid.
378 * libdwP.h (__libdw_dieabbrev): Check cu is not NULL.
380 2018-05-08 Mark Wielaard <mark@klomp.org>
382 * dwarf_formref.c (__libdw_formref): Explicitly don't handle
383 DW_FORM_ref_sup4 and DW_FORM_ref_sup8.
384 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_ref_sup4
385 and DW_FORM_ref_sup8.
386 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strp_sup
387 as DW_FORM_GNU_strp_alt.
389 2018-05-05 Mark Wielaard <mark@klomp.org>
391 * dwarf.h: Add DWARF line content descriptions.
392 * libdwP.h (libdw_valid_user_form): New static function.
393 * dwarf_getsrclines.c (read_srclines): Check and parse version 5
394 DWARF header, dir and file tables separately from older versions
397 2018-04-24 Mark Wielaard <mark@klomp.org>
399 * dwarf_begin_elf.c (dwarf_scnnames): Add ".debug_line_str".
400 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_STR and
401 DWARF_E_NO_DEBUG_LINE_STR.
402 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_line_strp.
403 Get data from either .debug_str or .debug_line_str.
404 * libdwP.h: Add IDX_debug_line_str, DWARF_E_NO_DEBUG_STR and
405 DWARF_E_NO_DEBUG_LINE_STR.
407 2018-04-03 Mark Wielaard <mark@klomp.org>
409 * dwarf_formudata.c (__libdw_formptr): Take and return const
410 unsigned char pointers.
411 * dwarf_getlocation.c (attr_base_address): Rename to...
412 (__libdw_cu_base_address): this. Take Dwarf_CU, check and set
414 (initial_offset_base): Renamed to...
415 (initial_offset): this. Only provide offset.
416 (getlocations_addr): Move data size check and
417 address base addition into __libdw_read_begin_end_pair_inc. Use
418 __libdw_cu_base_address and initial_offset. Drop Elf_Data NULL
419 check (already done by initial_offset, through __libdw_formptr).
420 (dwarf_getlocations): Use __libdw_cu_base_address and initial_offset.
421 Drop Elf_Data NULL check.
422 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Change argument
423 type of readp to Add readend argument. Check data size. Include base
424 in begin and end result.
425 (initial_offset): New static function.
426 (dwarf_ranges): Don't check Elf_Data being NULL (already done by
427 initial_offset, through __libdw_formptr). Use __libdw_cu_base_address
428 and initial_offset. Remove base check and addition (already done by
429 __libdw_read_begin_end_pair_inc.
430 * libdwP.h (Dwarf_CU): Add base_address field.
431 (__libdw_read_begin_end_pair_inc): Change argument type of readp to
432 const. Add readend argument.
433 (__libdw_formptr): Take and return const unsigned char pointers.
434 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU
437 2018-04-04 Mark Wielaard <mark@klomp.org>
439 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU
440 addr_base and str_off_base.
442 2018-03-23 Mark Wielaard <mark@klomp.org>
444 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_str_offsets,
446 * dwarf_error.c (errmsgs): Add DWARF_E_NO_STR_OFFSETS.
447 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strx[1234].
448 (__libdw_cu_str_off_base): New function.
449 * dwarf_formudata.c (dwarf_formudata): Handle IDX_debug_str_offsets
451 * libdwP.h: Add IDX_debug_str_offsets and DWARF_E_NO_STR_OFFSETS.
452 (struct Dwarf_CU): Add str_off_base field.
453 (__libdw_cu_str_off_base): New function declaration.
455 2018-03-22 Mark Wielaard <mark@klomp.org>
457 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_addr.
458 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_ADDR.
459 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_addrx[1234].
460 (__libdw_cu_addr_base): New function.
461 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_addr_base as
463 * libdwP.h: Add IDX_debug_addr and DWARF_E_NO_DEBUG_ADDR.
464 (struct Dwarf_CU): Add addr_base field.
465 (__libdw_cu_addr_base): New function definition.
466 * memory-access.h (file_byte_order): New static function.
467 (read_3ubyte_unaligned): New inline function.
469 2018-03-29 Mark Wielaard <mark@klomp.org>
471 * libdw.h (dwarf_decl_file): Extend documentation.
472 (dwarf_linesrc): Likewise.
473 (dwarf_filesrc): Likewise.
475 2018-03-06 Mark Wielaard <mark@klomp.org>
477 * dwarf.h: Add DW_OP_implicit_pointer, DW_OP_addrx, DW_OP_constx,
478 DW_OP_entry_value, DW_OP_const_type, DW_OP_regval_type,
479 DW_OP_deref_type, DW_OP_xderef_type, DW_OP_convert and
481 * dwarf_getlocation.c (__libdw_intern_expression): Handle
482 DW_OP_convert, DW_OP_reinterpret, DW_OP_addrx, DW_OP_constx,
483 DW_OP_regval_type, DW_OP_entry_value, DW_OP_implicit_pointer,
484 DW_OP_deref_type, DW_OP_xderef_type and DW_OP_const_type.
485 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Handle
486 DW_OP_entry_value, DW_OP_const_type and DW_OP_implicit_pointer.
487 * dwarf_getlocation_die.c (dwarf_getlocation_die): Handle
488 DW_OP_implicit_pointer, DW_OP_convert, DW_OP_reinterpret,
489 DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type and
491 * dwarf_getlocation_implicit_pointer.c
492 (dwarf_getlocation_implicit_pointer): Handle DW_OP_implicit_pointer.
494 2018-03-01 Mark Wielaard <mark@klomp.org>
496 * dwarf.h: Add DW_AT_GNU_locviews and DW_AT_GNU_entry_view.
497 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_GNU_locviews
500 2018-02-09 Mark Wielaard <mark@klomp.org>
502 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_data16 as a
505 2018-02-09 Mark Wielaard <mark@klomp.org>
507 * dwarf_child.c (__libdw_find_attr): Handle DW_FORM_implicit_const.
508 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
509 * dwarf_formudata.c (dwarf_formudata): Likewise.
510 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
511 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
512 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
513 * dwarf_getabbrevattr.c (dwarf_getabbrevattr_data): New function
514 that will also return any data associated with the abbrev. Which
515 currently is only for DW_FORM_implicit_const. Based on...
516 (dwarf_getabbrevattr): ... this function. Which now just calls
517 dwarf_getabbrevattr_data.
518 * libdw.h (dwarf_getabbrevattr_data): Declare new function.
519 * libdw.map (ELFUTILS_0.170): Add dwarf_getabbrevattr_data.
520 * libdwP.h (dwarf_getabbrevattr_data): INTDECL.
521 * memory-access.h (__libdw_get_sleb128_unchecked): New inlined
522 function based on __libdw_get_uleb128_unchecked.
524 2018-02-08 Mark Wielaard <mark@klomp.org>
526 * dwarf.h: Add DWARF5 DW_FORMs.
527 * libdwP.h (__libdw_form_val_compute_len): Handle fix length
528 DW_FORM_implicit_const, DW_FORM_addrx[1234], DW_FORM_strx[1234],
529 DW_FORM_ref_sup[48] and DW_FORM_data16.
530 * libdw_form.c (__libdw_form_val_compute_len): DW_FORM_strp_sup
531 and DW_FORM_line_strp are offset_size. DW_FORM_addrx, DW_FORM_strx,
532 DW_FORM_loclistx and DW_FORM_rnglistx are uleb128.
534 2018-01-30 Mark Wielaard <mark@klomp.org>
536 * Makefile.am (libdw_a_SOURCES): Add dwarf_get_units.c.
537 * dwarf_get_units.c: New file.
538 * libdw.h (dwarf_get_units): New function declaration.
539 * libdw.map (ELFUTILS_0.170): Add dwarf_get_units.
541 2018-01-29 Mark Wielaard <mark@klomp.org>
543 * dwarf.h (DW_UT_*): Add DWARF Unit Header Types.
544 * dwarf_cu_die.c (dwarf_cu_die): Rename arguments. type_signaturep
545 is now called unit_idp. type_offsetp is now called subdie_offsetp.
546 * dwarf_formref_die.c (dwarf_formref_die): Scan both .debug_info
547 and .debug_types sections for type units when type signature ref
549 * dwarf_getaranges.c (dwarf_getaranges): Use __libdw_findcu and
550 __libdw_first_die_off_from_cu instead of trying by hand.
551 * dwarf_getlocation_die.c (dwarf_getlocation_die): Use ISV4TU
552 instead of checking type_offset by hand.
553 * dwarf_getlocation_implicit_pointer.c
554 (dwarf_getlocation_implicit_pointer): Likewise.
555 * dwarf_nextcu.c (dwarf_next_unit): Call __libdw_next_unit.
556 (__libdw_next_unit): New function based on dwarf_next_unit with
557 DWARF5 header support.
558 * libdwP.h (struct Dwarf_CU): Renamed type_offset to subdie_offset
559 and type_sig8 to unit_id8.
560 (ISV4TU): New macro to determine whether a CU is a version 4 type
561 unit (which comes from the .debug_types section).
562 (DIE_OFFSET_FROM_CU_OFFSET): Replaced macro by real function...
563 (__libdw_first_die_from_cu_start): ... that also handles DWARF5
565 (__libdw_first_die_off_from_cu): New function that calls the above
567 (CUDIE): Use __libdw_first_die_off_from_cu.
568 (SUBDIE): New macro that provides the DIE for a CU using the
570 (__libdw_next_unit): New internal function declaration.
571 * libdw_findcu.c (__libdw_intern_next_unit): Use __libdw_next_unit.
572 Accept DWARF version 5 headers. Setup unit_type.
573 (__libdw_findcu): Rename debug_types argument to v4_debug_types
574 argument (to indicate that we are looking in the .debug_types
575 section). Support finding the exact offset (unit header start).
577 2018-01-25 Mark Wielaard <mark@klomp.org>
579 * Makefile.am (libdw_a_SOURCES): Add dwarf_die_addr_die.c.
580 * dwarf_die_addr_die.c: New file.
581 * libdw.h (dwarf_die_addr_die): New function declaration.
582 * libdw.map (ELFUTILS_0.171): New section with dwarf_die_addr_die.
583 * libdwP.h (__libdw_findcu_addr): New internal function declaration.
584 * libdw_findcu.c (__libdw_findcu_addr): New internal function.
586 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
588 * cfi.c (execute_cfi): Use FALLTHROUGH macro instead of comment.
589 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
591 2018-01-22 Mark Wielaard <mark@klomp.org>
593 * Makefile.am (AM_CPPFLAGS): Add -I libdwelf.
594 * dwarf_begin_elf.c (dwarf_begin_elf): Initialize Dwarf alt_fd to -1.
595 * dwarf_end.c (dwarf_end): Call dwarf_end and close on the alt_dwarf
596 and alt_fd if we allocated them.
597 * dwarf_fromref_die.c (dwarf_formref_die): Call dwarf_getalt.
598 * dwarf_formstring.c (dwarf_formstring): Likewise.
599 * dwarf_getalt.c (__libdw_filepath): New internal function.
600 (find_debug_altlink): New static function.
601 (dwarf_getalt): Check Dwarf alt_dwarf and call find_debug_altlink.
603 * dwarf_setalt.c (dwarf_setalt): Clean up Dwarf alt_dwarf and alt_fd
605 * libdw.h (dwarf_getalt): Extend documentation.
606 (dwarf_setalt): Likewise.
607 * libdwP.h (struct Dwarf): Add alt_fd field.
608 (filepath): Declare new internal function.
610 2018-01-14 Petr Machata <pmachata@gmail.com>
612 * dwarf_formsdata.c (dwarf_formsdata):
613 <DW_FORM_data1>: Cast to signed char.
614 <DW_FORM_data2,4,8>: Use read_*sbyte_unaligned instead of
615 read_*ubyte_unaligned.
617 2017-12-26 Mark Wielaard <mark@klomp.org>
619 * libdwP.h (struct Dwarf_Abbrev): Pack struct. Remove attrcnt,
620 use bitfields for has_children and code.
621 * dwarf_getabbrev.c (__libdw_getabbrev): Don't count attrs.
622 * dwarf_getattrcnt.c (dwarf_getattrcnt): Count attrs.
624 2017-12-26 Mark Wielaard <mark@klomp.org>
626 * memory-access.h (__libdw_get_uleb128_unchecked): New function.
627 (get_uleb128_unchecked): New define.
628 * dwarf_child.c (__libdw_find_attr): Use get_uleb128_unchecked to
629 read attr name and form.
630 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
631 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
632 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
634 2017-12-28 Mark Wielaard <mark@klomp.org>
636 * dwarf_offdie.c (__libdw_offdie): Check sectiondata exists.
638 2017-05-09 Ulf Hermann <ulf.hermann@qt.io>
639 Mark Wielaard <mark@klomp.org>
641 * libdwP.h (__libdw_in_section): Fix check for the upper border of
643 (__libdw_offset_in_section): Likewise.
645 2017-12-20 Mark Wielaard <mark@klomp.org>
647 * libdwP.h (struct Dwarf_CU): Add sec_idx field.
648 (cu_sec_idx): Return cu->sec_idx.
649 * libdw_findcu.c (__libdw_intern_next_unit): Set cu sec_idx to
650 IDX_debug_info or IDX_debug_types.
651 * dwarf_begin_elf.c (valid_p): Set fake_loc_cu->sec_idx to
653 * dwarf_getmacros.c (read_macros): Set fake_cu->sec_idx to
654 IDX_debug_macro or IDX_debug_macinfo.
656 2017-12-12 Mark Wielaard <mark@klomp.org>
658 * dwarf_aggregate_size.c (dwarf_aggregate_size): Don't peel the
659 given DIE. Reserve memory for a new DIE first.
661 2017-12-11 Dima Kogan <dima@secretsauce.net>
663 * dwarf_aggregate_size.c (array_size): Handle multi-dimensional
666 2017-11-03 Mark Wielaard <mark@klomp.org>
668 * dwarf_getlocation.c (__libdw_intern_expression): Handle
669 DW_OP_GNU_variable_value.
670 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Likewise.
671 * dwarf_getlocation_die.c (dwarf_getlocation_die): Likewise.
673 2017-11-03 Mark Wielaard <mark@klomp.org>
675 * dwarf_getlocation.c (attr_ok): Always accept DW_FORM_exprloc.
676 Update list of acceptable attribute codes based on DWARF5.
678 2017-11-03 Mark Wielaard <mark@klomp.org>
680 * dwarf.h: Add DW_OP_GNU_variable_value.
682 2017-10-03 Mark Wielaard <mark@klomp.org>
684 * libdw.h: Define LIBDW_CIE_ID and use it in dwarf_cfi_cie_p.
686 2017-08-18 Ulf Hermann <ulf.hermann@qt.io>
688 * memory-access.h: Use attribute_packed.
690 2017-02-27 Ulf Hermann <ulf.hermann@qt.io>
692 * libdwP.h: Use attribute_hidden.
693 * libdw_alloc.c: Likewise.
695 2017-02-27 Ulf Hermann <ulf.hermann@qt.io>
697 * Makefile.am: Use fpic_CFLAGS and dso_LDFLAGS.
699 2017-07-26 Mark Wielaard <mark@klomp.org>
701 * dwarf.h: Add DW_MACRO_* and compat defines for DW_MACRO_GNU_*.
702 * dwarf_getmacros.c (get_table_for_offset): Accept either version
703 4 or 5. Use DW_MACRO names instead of DW_MACRO_GNU names.
704 (read_macros): Use table version for fake_cu.
706 2017-07-26 Mark Wielaard <mark@klomp.org>
708 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_immutable_type,
709 DW_TAG_packed_type and DW_TAG_shared_type.
710 * libdw.h (dwarf_peel_type): Extend documentation.
712 2017-07-26 Mark Wielaard <mark@klomp.org>
714 * dwarf.h: Add DW_DEFAULTED_no, DW_DEFAULTED_in_class and
715 DW_DEFAULTED_out_of_class.
717 2017-07-26 Mark Wielaard <mark@klomp.org>
719 * dwarf.h: Add DW_CC_pass_by_reference and DW_CC_pass_by_reference.
721 2017-07-26 Mark Wielaard <mark@klomp.org>
723 * dwarf_default_lower_bound.c: New file.
724 * Makefile.am (libdw_a_SOURCES): Add dwarf_default_lower_bound.c.
725 * dwarf_aggregate_size.c (array_size): Use dwarf_default_lower_bound.
726 * dwarf_error.c (errmsgs): Add DWARF_E_UNKNOWN_LANGUAGE.
727 * libdw.h: Add dwarf_default_lower_bound.
728 * libdw.map (ELFUTILS_0.170): Add dwarf_default_lower_bound.
729 * libdwP.h: Add DWARF_E_UNKNOWN_LANGUAGE and
730 dwarf_default_lower_bound INTDECL.
732 2017-07-26 Mark Wielaard <mark@klomp.org>
734 * dwarf.h: Add DW_LANG_OpenCL, DW_LANG_Modula3,
735 DW_LANG_C_plus_plus_03, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift,
736 DW_LANG_Julia, DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_BLISS.
737 * dwarf_aggregate_size.c (array_size): Add lower bound for
738 DW_LANG_C_plus_plus_03, DW_LANG_Python, DW_LANG_OpenCL,
739 DW_LANG_Haskell, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift,
740 DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_Modula3,
741 DW_LANG_Julia and DW_LANG_BLISS.
743 2017-07-26 Mark Wielaard <mark@klomp.org>
745 * dwarf.h: Add DW_ATE_UCS and DW_ATE_ASCII.
747 2017-07-25 Mark Wielaard <mark@klomp.org>
749 * dwarf.h: Add DW_TAG_coarray_type, DW_TAG_generic_subrange,
750 DW_TAG_dynamic_type, DW_TAG_call_site, DW_TAG_call_site_parameter,
751 DW_TAG_skeleton_unit, DW_TAG_immutable_type. Add reserved comments
752 for currently unused numbers.
754 2017-07-25 Mark Wielaard <mark@klomp.org>
756 * dwarf.h (DWARF attributes enum): Remove DW_AT_subscr_data,
757 DW_AT_element_list and DW_AT_member. Add DWARF5 attribute constants.
758 (DW_AT_subscr_data, DW_AT_element_list, DW_AT_member): New defines.
760 2017-07-21 Mark Wielaard <mark@klomp.org>
762 * dwarf_line_file.c: New file.
763 * Makefile.am (libdw_a_SOURCES): Add dwarf_line_file.c.
764 * libdw.h (dwarf_line_file): New function declaration.
765 * libdw.map (ELFUTILS_0.170): New. Add dwarf_line_file.
767 2017-02-17 Ulf Hermann <ulf.hermann@qt.io>
769 * Makefile.am: Add libdw_so_LIBS to specify the archives libdw is is
770 made of, libdw_so_DEPS for libraries it depends on (including
771 libeu.a), libdw_so_LDLIBS to specify libraries libdw links against.
772 (libdw.so$(EXEEXT)): Add $(libdw_so_LDLIBS), remove enumeration of
773 library dependencies, use libdw_so_LIBS rather than relying on the
774 order of dependencies specified, add -z,relro.
776 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
778 * libdw.h: Remove attribute macro declarations and use
779 __noreturn_attribute__ as defined in libelf.h.
781 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
783 * dwarf_begin_elf.c: Include endian.h.
785 2017-03-30 Mark Wielaard <mjw@redhat.com>
787 * dwarf_peel_type.c (dwarf_peel_type): Call dwarf_attr_integrate on
790 2016-10-22 Mark Wielaard <mjw@redhat.com>
792 * dwarf.h: Correct spelling of DW_LANG_PLI. Add compatibility define.
793 * dwarf_aggregate_size.c (array_size): Use correct spelling of
796 2016-11-02 Mark Wielaard <mjw@redhat.com>
798 * cfi.c (execute_cfi): Add fallthrough comments.
799 * encoded-value.h (encoded_value_size): Add explicit return instead
800 of relying on fallthrough.
801 * dwfl_report_elf.c (__libdwfl_elf_address_range): Add fallthrough
804 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
806 * dwarf_getpubnames.c: Remove sys/param.h include, add system.h.
807 * libdw_alloc.c: Likewise.
809 2016-07-08 Mark Wielaard <mjw@redhat.com>
811 * libdw.map (ELFUTILS_0.167): New. Add dwelf_strtab_init,
812 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize,
813 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free.
815 2016-02-13 Mark Wielaard <mjw@redhat.com>
817 * dwarf_getsrclines.c (read_srclines): Calculate ndirs first, then
820 2015-12-18 Mark Wielaard <mjw@redhat.com>
822 * libdwP.h (struct Dwarf): Remove sectiondata_gzip_mask.
823 (__libdw_free_zdata): Remove.
824 * dwarf_begin_elf.c (inflate_section): Remove.
825 (check_section): Remove __libdw_free_zdata calls. Use elf_compress
826 and elf_compress_gnu to decompress if necessary.
827 (valid_p): Remove __libdw_free_zdata calls.
828 (scngrp_read): Use elf_compress if section is compressed. Remove
829 __libdw_free_zdata calls.
830 * dwarf_end.c (__libdw_free_zdata): Remove.
831 (dwarf_end): Don't call __libdw_free_zdata.
833 2015-10-28 Mark Wielaard <mjw@redhat.com>
835 * libdw.map (ELFUTILS_0.165): New. Add dwelf_scn_gnu_compressed_size.
837 2015-12-02 Mark Wielaard <mjw@redhat.com>
839 * fde.c (intern_fde): Don't leak duplicate FDEs.
841 2015-12-01 Mark Wielaard <mjw@redhat.com>
843 * fde.c (intern_fde): Don't intern an fde that doesn't cover a
846 2015-12-01 Mark Wielaard <mjw@redhat.com>
848 * dwarf_end.c (dwarf_end): Call cu_free on fake_loc_cu if it exists.
850 2015-10-14 Chih-Hung Hsieh <chh@google.com>
852 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Move recursive
853 functions 'add_bkpt', 'entrypc_bkpt', and 'search_range' to file scope.
855 2015-10-14 Chih-Hung Hsieh <chh@google.com>
857 * libdw_visit_scopes.c (__libdw_visit_scopes): Move recursive nested
858 function 'walk_children' to file scope; inline 'recurse' at its call
861 2015-10-19 Mark Wielaard <mjw@redhat.com>
863 * frame-cache.c (__libdw_destroy_frame_cache): Call ebl_closebackend
866 2015-10-16 Dmitry V. Levin <ldv@altlinux.org>
868 * dwarf_getsrclines.c (read_srclines): Initialize state early.
870 2015-10-13 Chih-Hung Hsieh <chh@google.com>
872 * dwarf_getsrclines.c (read_srclines): Move nested functions
873 'advance_pc' and 'add_new_line' to file scope and keep many
874 local state variables within one structure.
876 2015-10-13 Chih-Hung Hsieh <chh@google.com>
878 * dwarf_getscopevar.c (dwarf_getscopevar): Move nested
879 function 'file_matches' to file scope.
881 2015-10-16 Mark Wielaard <mjw@redhat.com>
883 * Makefile.am (libdw.so): Add -lz.
885 2015-10-14 Chih-Hung Hsieh <chh@google.com>
887 * cfi.c (execute_cfi): Move nested functions 'enough_registers'
888 and 'require_cfa_offset' to file scope.
890 2015-10-09 Josh Stone <jistone@redhat.com>
892 * dwarf_begin.c (dwarf_begin): Replace stat64 and fstat64 with stat
895 2015-10-05 Josh Stone <jistone@redhat.com>
897 * Makefile.am (libdw.so): Add AM_V_CCLD and AM_V_at silencers.
899 2015-09-24 Jose E. Marchesi <jose.marchesi@oracle.com>
901 * Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid
902 relocation overflows in some platforms.
904 2015-09-23 Mark Wielaard <mjw@redhat.com>
906 * dwarf_error.c (__libdw_seterrno): Mark as internal_function.
907 * dwarf_formref.c (__libdw_formref): Likewise.
908 * libdw_findcu.c (__libdw_findcu): Likewise.
909 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
911 2015-09-22 Mark Wielaard <mjw@redhat.com>
913 * *.c: Remove old-style function definitions.
915 2015-09-15 Mark Wielaard <mjw@redhat.com>
917 * dwarf_peel_type.c (dwarf_peel_type): Don't reassign result pointer.
919 2015-09-09 Chih-Hung Hsieh <chh@google.com>
921 * dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Remove
922 redundant NULL tests on parameters declared with __nonnull_attribute__.
923 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
924 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
926 2015-09-04 Chih-Hung Hsieh <chh@google.com>
927 Mark Wielaard <mjw@redhat.com>
929 * dwarf_getlocation.c (getlocations_addr): Replace K&R function
930 definition with ansi-C definition and add const qualifier to
933 2015-09-04 Chih-Hung Hsieh <chh@google.com>
935 * libdw_findcu.c (__libdw_intern_next_unit): Replace K&R function
936 definition with ansi-C definitions.
937 (__libdw_findcu): Likewise.
939 2015-08-25 Mark Wielaard <mjw@redhat.com>
941 * dwarf.h: Add DW_LANG_Haskell.
943 2015-06-18 Mark Wielaard <mjw@redhat.com>
945 * dwarf_begin_elf.c (dwarf_begin_elf): Assert page size is big enough
948 2015-06-18 Mark Wielaard <mjw@redhat.com>
950 * dwarf_getpubnames.c (get_offsets): Always free mem on error.
952 2015-06-18 Mark Wielaard <mjw@redhat.com>
954 * dwarf_getmacros.c (get_macinfo_table): Return NULL when
955 dwarf_formudata reports an error.
956 (get_table_for_offset): Likewise.
958 2015-06-08 Mark Wielaard <mjw@redhat.com>
960 * dwarf_getsrclines.c (read_srclines): Initialize dirarray early.
962 2015-06-06 Mark Wielaard <mjw@redhat.com>
964 * dwarf_getsrclines.c (read_srclines): Initialize filelist early.
966 2015-05-27 Mark Wielaard <mjw@redhat.com>
968 * encoded-value.h (read_encoded_value): Check data d_size contains
969 at least enough data to hold a pointer for DW_EH_PE_indirect.
971 2015-05-22 Mark Wielaard <mjw@redhat.com>
973 * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines
974 with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with
975 MAX_STACK_DIRS. Calculate number of dirs needed first, then
976 create dirarray directly, without needing the next field. Free
977 not stack allocated lines and files at the end.
979 2015-05-19 Mark Wielaard <mjw@redhat.com>
981 * dwarf_getlocation.c (__libdw_intern_expression): Create a stack
982 allocated array to hold locs. Allocate locs bigger than the array
983 with malloc and free them when done.
985 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
987 * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator.
988 * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message.
989 * dwarf_begin_elf.c (inflate_section): New static function, lifted
991 (check_section): ... here. Call inflate_section, set libdw errno to
992 DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated.
994 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
996 * dwarf_begin_elf.c (check_section): Add compressed flag. Always
997 check for .zdebug sections. Only wrap decompression in #if USE_ZLIB.
999 2015-05-06 Mark Wielaard <mjw@redhat.com>
1001 * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and
1002 check the line number.
1004 2015-05-05 Mark Wielaard <mjw@redhat.com>
1006 * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data
1007 left before reading values.
1009 2015-05-04 Anthony G. Basile <blueness@gentoo.org>
1011 * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link
1014 2015-04-22 Mark Wielaard <mjw@redhat.com>
1016 * memory-access.h (__libdw_max_len_leb128): Take type_len as argument.
1017 (__libdw_max_len_uleb128): New function.
1018 (__libdw_max_len_sleb128): Likewise.
1019 (__libdw_get_uleb128): Use __libdw_max_len_uleb128.
1020 (__libdw_get_sleb128): Use __libdw_max_len_sleb128.
1022 2015-04-21 Mark Wielaard <mjw@redhat.com>
1024 * dwarf_getmacros.c (read_macros): Allocate attributes dynamically
1025 when there are more than 8.
1027 2015-04-01 Petr Machata <pmachata@redhat.com>
1029 * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator.
1030 (is_cudie): New function.
1031 * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE.
1032 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead
1033 of white-listing valid tags.
1034 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1036 2015-03-18 Petr Machata <pmachata@redhat.com>
1038 * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h.
1039 (EXTRA_DIST): Remove known-dwarf.h.
1041 2015-02-09 Mark Wielaard <mjw@redhat.com>
1043 * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08.
1044 * dwarf_aggregate_size.c (array_size): Recognize array lower bound
1045 for new Fortran language codes is 1.
1047 2015-02-09 Mark Wielaard <mjw@redhat.com>
1049 * dwarf.h: Add DW_TAG_atomic_type.
1050 * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type.
1051 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type.
1053 2015-02-11 Josh Stone <jistone@redhat.com>
1055 * encoded-value.h (read_encoded_value): Initialize value.
1057 2015-02-11 Petr Machata <pmachata@redhat.com>
1059 * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither
1060 DW_AT_entry_pc nor DW_AT_low_pc are available. Instead remember
1061 the fact in *BASEP and bail out later if it hasn't been updated by
1062 __libdw_read_begin_end_pair_inc.
1064 2014-12-24 Mark Wielaard <mjw@redhat.com>
1066 * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record
1067 smaller than or equal to addr, rather than returning immediately on
1070 2015-01-07 Mark Wielaard <mjw@redhat.com>
1072 * cfi.h (struct Dwarf_CFI_s): Add search_table_len.
1073 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough
1074 room in the search table for all entries. Store search_table_len.
1075 (getcfi_scn_eh_frame): Likewise.
1076 * encoded-value.h (encoded_value_size): Don't abort, return zero.
1077 (__libdw_cfi_read_address_inc): Check there is enough room to read
1078 values. Pass other byte order to read functions.
1079 (read_encoded_value): Check encoded_value_size. Don't abort, but
1080 set libdw errno and report failure. Check there is enough room to
1082 * fde.c (binary_search_fde): Check encoded value size. Add hdr
1083 data buf and size to dummy_cfi.
1085 2015-01-04 Mark Wielaard <mjw@redhat.com>
1087 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute
1088 is after current DIE.
1090 2015-01-04 Mark Wielaard <mjw@redhat.com>
1092 * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof
1093 (dwarf_frame_register).
1095 2015-01-02 Mark Wielaard <mjw@redhat.com>
1097 * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check.
1098 (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL.
1099 (getcfi_scn_eh_frame): Check d_buf is not NULL.
1101 2015-01-02 Mark Wielaard <mjw@redhat.com>
1103 * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not
1104 NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For
1105 DW_OP_addr if dbg is NULL then read argument directly.
1107 2015-01-14 Jason P. Leasure <jpleasu@super.org>
1109 * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset
1112 2014-12-27 Mark Wielaard <mjw@redhat.com>
1114 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset
1115 still falls inside CU data.
1117 2015-01-11 Mark Wielaard <mjw@redhat.com>
1119 * dwarf_func_inline.c (dwarf_func_inline_instances): Call
1120 __libdw_visit_scopes with NULL imports.
1121 * dwarf_getfuncs.c (dwarf_getfuncs): Likewise.
1122 * dwarf_getscopes.c (pc_record): Likewise.
1123 (dwarf_getscopes): Likewise.
1124 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
1125 * libdwP.h (__libdw_visit_scopes): Add imports argument.
1126 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new
1127 function imports_contains. Push and pop imports around walk_children
1128 when processing DW_TAG_imported_unit.
1130 2014-12-18 Ulrich Drepper <drepper@gmail.com>
1132 * Makefile.am: Suppress output of textrel_check command.
1134 2014-12-16 Mark Wielaard <mjw@redhat.com>
1136 * dwarf_getsrclines.c (read_srclines): Check diridx is valid under
1139 2014-12-16 Mark Wielaard <mjw@redhat.com>
1141 * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough
1142 space to read die offset.
1144 2014-12-16 Mark Wielaard <mjw@redhat.com>
1146 * dwarf_getsrclines.c (read_srclines): Correct overflow check for
1149 2014-12-15 Mark Wielaard <mjw@redhat.com>
1151 * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside
1152 section data. Set error to DWARF_E_NO_ENTRY if cnt is zero.
1153 (dwarf_getpubnames): Make sure section data contains string zero
1156 2014-12-16 Mark Wielaard <mjw@redhat.com>
1158 * memory-access.h (__libdw_get_sleb128): Unroll the first step to help
1159 the compiler optimize for the common single-byte case.
1161 2014-12-15 Josh Stone <jistone@redhat.com>
1163 * memory-access.h (__libdw_max_len_leb128): New.
1164 (__libdw_get_uleb128): Use __libdw_max_len_leb128.
1165 (__libdw_get_sleb128): Likewise.
1167 2014-12-14 Mark Wielaard <mjw@redhat.com>
1169 * cfi.c (execute_cfi): Add program bounds checks.
1170 * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks.
1171 * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp.
1172 * dwarf_formref.c (__libdw_formref): Add datap bounds checks.
1173 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
1174 * dwarf_formudata.c (dwarf_formudata): Likewise.
1175 * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128
1176 with end of data buf.
1177 * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks.
1178 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128
1179 call gets enough data.
1180 * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp.
1181 * dwarf_getlocation.c (store_implicit_value): Call get_uleb128
1183 (__libdw_intern_expression): Call get_uleb128/get_sleb128 with
1185 * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check.
1186 * dwarf_getsrclines.c (read_srclines): Bounds check linep and call
1187 get_uleb128 with lineendp.
1188 * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call
1189 get_uleb128 with endp.
1190 * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call
1191 get_uleb128/get_sleb128 with limit.
1192 * encoded-value.h (read_encoded_value): Assume get_uleb128 and
1193 get_sleb128 get called with enough data.
1194 * fde.c (intern_fde): Call get_uleb128 with instructions_end.
1195 * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp.
1196 * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with
1198 * memory-access.h (__libdw_get_uleb128): Take an extra endp.
1199 Don't call get_uleb128_step if out of data.
1200 (__libdw_get_sleb128): Likewise for get_sleb128_step.
1202 2014-12-12 Mark Wielaard <mjw@redhat.com>
1204 * libdwP.h (struct Dwarf): Add fake_loc_cu.
1206 (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx.
1207 (__libdw_form_val_compute_len): Drop dbg and endp arguments.
1208 (__libdw_form_val_len): Likewise.
1209 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
1210 * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use
1211 the already found data buffer directly.
1212 * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu.
1213 * dwarf_end.c (dwarf_end): Free fake_loc_cu.
1214 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with
1216 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
1217 * dwarf_formblock.c (dwarf_formblock): Add bounds checking.
1218 * dwarf_getlocation_attr.c (attr_form_cu): New function.
1219 (dwarf_getlocation_attr): Use attr_form_cu to set result->cu.
1220 (getlocation): Handle empty blocks immediately.
1221 * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var.
1222 (__libdw_empty_loc_attr): Drop cu argument, use empty_cu.
1223 (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with
1225 * dwarf_getmacros.c (read_macros): Also setup startp and endp for
1226 fake_cu. Call __libdw_form_val_len with just fake_cu.
1227 * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get
1228 datap and size directly from cu startp and endp.
1230 2014-12-11 Mark Wielaard <mjw@redhat.com>
1232 * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset.
1234 2014-12-13 Mark Wielaard <mjw@redhat.com>
1236 * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr
1237 difference doesn't wrap around before returning as int.
1239 2014-12-11 Josh Stone <jistone@redhat.com>
1241 * dwarf_getsrclines.c (struct linelist): Add sequence.
1242 (compare_lines): Take linelists, and break ties by sequence.
1243 (read_srclines): Use linelists for sorting.
1244 (read_srclines::add_new_line): Set sequence.
1246 2014-12-10 Josh Stone <jistone@redhat.com>
1248 * libdwP.h (Dwarf_CU): Add startp and endp boundaries.
1249 * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp.
1250 * dwarf_child.c (dwarf_child): Use cu->endp.
1251 * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp.
1252 * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp.
1253 * dwarf_siblingof.c (dwarf_siblingof): Use both.
1255 2014-12-10 Josh Stone <jistone@redhat.com>
1257 * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence.
1259 2014-12-10 Josh Stone <jistone@redhat.com>
1261 * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function.
1262 * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it.
1263 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
1264 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
1265 * dwarf_tag.c (dwarf_tag): Likewise.
1267 2014-12-04 Mark Wielaard <mjw@redhat.com>
1269 * libdwP.h (__libdw_form_val_compute_len): Add endp argument.
1270 (__libdw_form_val_len): Likewise and check len doesn't overflow.
1271 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
1272 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len
1274 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
1275 * dwarf_getmacros.c (read_macros): Likewise and check for errors.
1277 2014-12-02 Petr Machata <pmachata@redhat.com>
1279 * dwarf_getmacros.c (token_from_offset, offset_from_token): New
1281 (do_dwarf_getmacros_die): Merge into dwarf_getmacros.
1282 * libdw.h (DWARF_GETMACROS_START): New macro.
1284 2014-11-27 Mark Wielaard <mjw@redhat.com>
1286 * Makefile.am (libdw.so): Use textrel_check.
1288 2014-11-27 Mark Wielaard <mjw@redhat.com>
1290 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize
1291 search_table_entries and search_table_encoding.
1293 2014-11-24 Mark Wielaard <mjw@redhat.com>
1295 * dwarf_getsrclines.c (read_srclines): Check line_range is not zero
1298 2014-11-23 Mark Wielaard <mjw@redhat.com>
1300 * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value.
1301 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
1302 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
1304 2014-11-23 Mark Wielaard <mjw@redhat.com>
1306 * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF.
1307 Set libdw errno and return NULL.
1309 2014-11-24 Mark Wielaard <mjw@redhat.com>
1311 * dwarf.h (DW_LANG_C_plus_plus_11): Added.
1312 (DW_LANG_C11): Likewise.
1313 (DW_LANG_C_plus_plus_14): Likewise.
1314 * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11,
1315 DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go
1317 * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for
1320 2014-11-26 Mark Wielaard <mjw@redhat.com>
1322 * dwarf.h (DW_AT_noreturn): Added.
1324 2014-11-11 Mark Wielaard <mjw@redhat.com>
1326 * dwarf_getsrclines.c (read_srclines): Do address_size comparison
1327 explicitly as uint8_t.
1328 (__libdw_getsrclines): Add internal_function to declaration.
1330 2014-09-10 Petr Machata <pmachata@redhat.com>
1332 * dwarf_macro_getparamcnt.c: New file.
1333 * dwarf_macro_param.c: New file.
1334 * dwarf_macro_getsrcfiles.c: New file.
1335 * Makefile.am (libdw_a_SOURCES): Add the new files.
1336 * libdwP.h (struct files_lines_s): New structure.
1337 (DWARF_E_INVALID_OPCODE): New enumerator.
1338 (struct Dwarf): New fields macro_ops, files_lines.
1339 (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for
1340 keeping macro opcode prototypes in.
1341 (Dwarf_Macro_s): Redefine from scratch.
1342 (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New
1343 internal interfaces.
1344 * dwarf_error.c (errmsgs): Add a message for
1345 DWARF_E_INVALID_OPCODE.
1346 * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and
1348 * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt)
1349 (dwarf_macro_getsrcfiles, dwarf_macro_param): New public
1351 * dwarf_getmacros.c (dwarf_getmacros_off): New function,
1352 (get_offset_from, macro_op_compare, build_table)
1353 (init_macinfo_table, get_macinfo_table, get_table_for_offset)
1354 (cache_op_table, read_macros, gnu_macros_getmacros_off)
1355 (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper
1357 (dwarf_getmacros): Adjust to dispatch to the new interfaces.
1358 * dwarf_getsrclines.c (read_srclines): New function with guts
1359 taken from dwarf_getsrclines.
1360 (__libdw_getsrclines): Likewise.
1361 (__libdw_getcompdir, files_lines_compare): New functions.
1362 (dwarf_getsrclines): Make it dispatch to the new interfaces.
1363 * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to
1365 * dwarf_macro_param2.c (dwarf_macro_param2): Likewise.
1366 * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off,
1367 dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param.
1369 2014-10-06 Mark Wielaard <mjw@redhat.com>
1371 * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c.
1372 * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type.
1373 (aggregate_size): Likewise. Add old and new version.
1374 * dwarf_peel_type.c: New file.
1375 * libdw.h (dwarf_peel_type): New function declaration.
1376 * libdwP.h (dwarf_peel_type): New internal declaration.
1377 * libdw.map (ELFUTILS_0.161): New section.
1379 2014-10-15 Petr Machata <pmachata@redhat.com>
1381 * libdwP.h (struct Dwarf_Files_s.cu): Drop field.
1382 * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it.
1384 2014-10-05 Mark Wielaard <mjw@redhat.com>
1386 * dwarf.h: Add DW_AT_GNU_deleted.
1388 2014-10-02 Mark Wielaard <mjw@redhat.com>
1390 * dwarf_aggregate_size.c (aggregate_size): Return CU address_size
1391 for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or
1392 DW_TAG_rvalue_reference_type.
1394 2014-09-12 Petr Machata <pmachata@redhat.com>
1396 * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and
1397 8-byte quantities. Consequently, rename to...
1398 (read_addr_unaligned_inc): ... this.
1399 (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop.
1400 (read_sbyte_unaligned): Drop.
1402 2014-09-10 Petr Machata <pmachata@redhat.com>
1404 * dwarf_getlocation.c (attr_ok): Also accept
1405 DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
1406 DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered.
1408 2014-08-15 Mark Wielaard <mjw@redhat.com>
1410 * dwarf_cu_die.c: New file.
1411 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c.
1412 * libdw.h (dwarf_cu_die): New function declaration.
1413 * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die.
1415 2014-08-15 Mark Wielaard <mjw@redhat.com>
1417 * dwarf_cu_getdwarf.c: New file.
1418 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c.
1419 * libdw.h (Dwarf_CU): New typedef.
1420 (dwarf_cu_getdwarf): New function declaration.
1421 * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf.
1423 2014-06-18 Mark Wielaard <mjw@redhat.com>
1425 * dwarf.h: Remove DW_TAG_mutable_type.
1427 2014-05-02 Mark Wielaard <mjw@redhat.com>
1429 * libdwP.h (__check_build_id): Removed now unused.
1431 2014-05-01 Mark Wielaard <mjw@redhat.com>
1433 * libdwP.h (struct Dwarf): Remove free_alt.
1434 * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf.
1435 * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt.
1437 2014-04-30 Mark Wielaard <mjw@redhat.com>
1439 * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id.
1441 2014-04-15 Florian Weimer <fweimer@redhat.com>
1443 * dwarf_begin_elf.c (__check_build_id, try_debugaltlink)
1444 (open_debugaltlink): Move to libdwfl.
1445 (check_section): Do not locate alternate debuginfo.
1447 2014-04-24 Florian Weimer <fweimer@redhat.com>
1449 * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink.
1451 2014-04-22 Florian Weimer <fweimer@redhat.com>
1453 * dwarf_getalt.c, dwarf_setalt.c: New files.
1454 * Makefile.am (libdw_a_SOURCES): Add them.
1455 * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations.
1456 * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function
1458 * libdw.map (ELFUTILS_0.159): Export the two new functions.
1460 2014-04-15 Florian Weimer <fweimer@redhat.com>
1462 * libdwP.h (enum IDX_gnu_debugaltlink): New.
1463 * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add
1465 (check_section): Obtain .gnu_debugaltlink section from the
1468 2014-04-11 Mark Wielaard <mjw@redhat.com>
1470 * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink.
1471 * Makefile.am (libdw.so): Depend on libdwelf_pic.a.
1472 (libdwelf_objects): New variable.
1473 (libdw_a_LIBADD): Add libdwelf objects.
1475 2014-04-22 Mark Wielaard <mjw@redhat.com>
1477 * memory-access.h (get_sleb128_step): Remove undefined behavior
1478 of left shifting a signed value. Replace it with a multiplication.
1480 2014-04-13 Mark Wielaard <mjw@redhat.com>
1482 * Makefile.am: Remove !MUDFLAP conditions.
1484 2014-04-09 Mark Wielaard <mjw@redhat.com>
1486 * dwarf_begin_elf.c (check_section): Check for unsigned overflow
1487 before calling malloc to uncompress data.
1489 2014-03-03 Jan Kratochvil <jan.kratochvil@redhat.com>
1491 Fix abort() on missing section headers.
1492 * dwarf_begin_elf.c (check_section): Replace abort call by goto err.
1493 New label err to return NULL.
1495 2014-02-05 Josh Stone <jistone@redhat.com>
1497 * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned.
1498 * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as
1499 unsigned. Change the range assert to DWARF_E_INVALID_DWARF.
1501 2013-12-30 Mark Wielaard <mjw@redhat.com>
1503 * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and
1504 dwfl_linux_proc_attach.
1506 2013-12-20 Mark Wielaard <mjw@redhat.com>
1508 * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames.
1510 2013-12-18 Mark Wielaard <mjw@redhat.com>
1512 * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and
1513 dwfl_module_getsym_elf. Add dwfl_module_addrinfo and
1514 dwfl_module_getsym_info.
1516 2013-12-16 Mark Wielaard <mjw@redhat.com>
1518 * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global.
1520 2013-12-10 Josh Stone <jistone@redhat.com>
1522 * memory-access.h (get_uleb128_rest_return): Removed.
1523 (get_sleb128_rest_return): Removed.
1524 (get_uleb128_step): Make this a self-contained block.
1525 (get_sleb128_step): Ditto, and use a bitfield to extend signs.
1526 (get_uleb128): Make this wholly implemented by __libdw_get_uleb128.
1527 (get_sleb128): Make this wholly implemented by __libdw_get_sleb128.
1528 (__libdw_get_uleb128): Simplify and inline for all callers.
1529 (__libdw_get_sleb128): Ditto.
1530 * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128.
1531 * memory-access.c: Delete file.
1532 * Makefile.am (libdw_a_SOURCES): Remove it.
1533 (DEFS): Remove the now unused -DIS_LIBDW.
1535 2013-12-09 Josh Stone <jistone@redhat.com>
1537 * libdw_form.c (__libdw_form_val_compute_len): Renamed function from
1538 __libdw_form_val_len, now handling only non-constant form lengths.
1539 * libdwP.h (__libdw_form_val_len): New inlined function.
1541 2013-12-09 Mark Wielaard <mjw@redhat.com>
1543 * dwarf_getlocation.c (__libdw_intern_expression): Handle empty
1544 location expressions.
1545 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no
1546 location found, return empty location expression.
1547 * dwarf_getlocation_implicit_pointer.c
1548 (dwarf_getlocation_implicit_pointer): Likewise.
1549 (__libdw_empty_loc_attr): New internal function.
1550 * libdwP.h (__libdw_empty_loc_attr): Define.
1552 2013-11-27 Mark Wielaard <mjw@redhat.com>
1554 * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and
1555 dwfl_module_getsym_elf.
1557 2013-11-26 Mark Wielaard <mjw@redhat.com>
1559 * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid,
1560 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
1561 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
1562 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ...
1563 (ELFUTILS_0.158): ... here.
1565 2013-11-09 Mark Wielaard <mjw@redhat.com>
1567 * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and
1568 check that it is zero.
1570 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1572 * cfi.h (struct Dwarf_Frame_s): Make the comment more specific.
1573 * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid,
1574 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
1575 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
1576 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc.
1578 2013-11-01 Michael Forney <mforney@mforney.org>
1580 * Makefile.am (libdwfl_objects): New definition.
1581 (libdw_a_LIBADD): Use libdwfl_objects.
1583 2013-11-01 Michael Forney <mforney@mforney.org>
1585 * Makefile.am: Use READELF.
1587 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1589 * libdw.map (ELFUTILS_0.158): New.
1591 2013-10-10 Mark Wielaard <mjw@redhat.com>
1593 * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to
1594 start_addr and rename last_offset to last_addr. Now both void *.
1595 (tree_visitor): Use start_add and die_addr instead of start_offset
1597 (dwarf_getfuncs): Use last_addr instead of last_offset.
1599 2013-10-06 Mark Wielaard <mjw@redhat.com>
1601 * cfi.c (execute_cfi): Make sure DW_CFA_expression and
1602 DW_CFA_val_expression are not used with abi_cfi.
1604 2013-10-03 Josh Stone <jistone@redhat.com>
1606 * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here.
1607 * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits
1608 a unit, make sure to always hash the sig8 here, so none are missed.
1610 2013-09-29 Mark Wielaard <mjw@redhat.com>
1612 * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to
1613 uintptr_t before casting to char *.
1614 (__libdw_intern_expression): Cast data to uintptr_t before casting
1616 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast
1617 op->number2 to uintptr_t before casting to char *.
1619 2013-09-24 Josh Stone <jistone@redhat.com>
1621 * libdw_visit_scopes.c (classify_die): Removed.
1622 (may_have_scopes): New function to replace classify_die. There's no
1623 need for full classification; just find tags that may contain scopes.
1624 (__libdw_visit_scopes): Use a direct tag comparison for imported
1625 units, and use may_have_scopes to test if recursion is needed.
1627 2013-09-20 Mark Wielaard <mjw@redhat.com>
1629 * dwarf_getfuncs.c (visitor_info): New struct.
1630 (tree_visitor): New function.
1631 (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor.
1632 * libdw.h (dwarf_getfuncs): Expand function documentation.
1634 2013-09-12 Mark Wielaard <mjw@redhat.com>
1636 * fde.c (intern_fde): Free fde and set libdw errno when start
1637 or end could not be read.
1639 2013-08-24 Mark Wielaard <mjw@redhat.com>
1641 * dwarf_getlocation.c (store_implicit_value): Don't take data
1642 as argument, get block data from op number2. Return false when
1643 block data length and op number don't match up.
1644 (__libdw_intern_expression): Store start of block for
1645 DW_OP_implicit_value and DW_OP_GNU_entry_value instead of
1646 relative data offset. Also store block start (including length)
1647 for DW_OP_GNU_const_type. Don't pass data to store_implicit_value.
1648 * dwarf_getlocation_attr.c: New file.
1649 * dwarf_getlocation_die.c: Likewise.
1650 * libdw.h (dwarf_getlocation_die): New function definition.
1651 (dwarf_getlocation_attr): Likewise.
1652 * libdwP.h: Declare internal dwarf_getlocation_die.
1653 * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and
1654 dwarf_getlocation_attr.
1655 * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and
1656 dwarf_getlocation_attr.c.
1658 2013-08-23 Mark Wielaard <mjw@redhat.com>
1660 * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment.
1661 (attr_base_address): New function.
1662 (initial_offset_base): New function.
1663 (getlocations_addr): New function. Taken from...
1664 (dwarf_getlocation_addr): here. Use new initial_offset_base and
1666 (dwarf_getlocations): New function.
1667 * libdw.h (dwarf_getlocations): New function definition.
1668 * libdw.map (ELFUTILS_0.157): New.
1670 2013-07-02 Mark Wielaard <mjw@redhat.com>
1672 * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation
1673 limit MAX_STACK_ALLOC. After MAX_STACK_ALLOC lines use malloc in
1674 NEW_LINE macro. Free malloced line records if any at the end.
1676 2013-07-02 Mark Wielaard <mjw@redhat.com>
1678 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS.
1680 2013-06-26 Mark Wielaard <mjw@redhat.com>
1682 * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root
1683 DIEs without children. Return an error whenever dwarf_child or
1684 dwarf_siblingof return an error. Don't call recurse and increase
1685 the depth for an imported unit. Walk the children of an imported
1686 unit as if they are logical children of the parent root DIE.
1688 2013-05-03 Mark Wielaard <mjw@redhat.com>
1690 * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence
1693 2013-04-28 Jan Kratochvil <jan.kratochvil@redhat.com>
1695 * libdw.map (ELFUTILS_0.156): New.
1697 2013-04-24 Mark Wielaard <mjw@redhat.com>
1699 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1701 2013-04-10 Mark Wielaard <mjw@redhat.com>
1703 * dwarf_formref_die.c (dwarf_formref_die): Reference size is only
1704 equal to address size when we have a DW_FORM_ref_addr for DWARF
1707 2013-03-25 Mark Wielaard <mjw@redhat.com>
1709 * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as
1712 2013-03-12 Mark Wielaard <mjw@redhat.com>
1714 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit.
1715 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1717 2013-02-15 Mark Wielaard <mjw@redhat.com>
1719 * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata,
1720 not dbg->sectiondata.
1722 2013-01-07 Roland McGrath <roland@hack.frob.com>
1725 [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro.
1726 [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function.
1728 2012-12-18 Mark Wielaard <mjw@redhat.com>
1730 * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid.
1731 (check_section): Likewise on error.
1732 (scngrp_read): Likewise.
1733 (dwarf_begin_elf): Likewise.
1735 2012-10-09 Petr Machata <pmachata@redhat.com>
1737 * dwarf_getlocation.c (__libdw_intern_expression): Handle
1738 DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret,
1739 DW_OP_GNU_regval_type, DW_OP_GNU_entry_value,
1740 DW_OP_GNU_deref_type, DW_OP_GNU_const_type.
1742 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1744 * cfi.c: New include system.h.
1745 (execute_cfi) (enough_registers): Clear new memory after realloc.
1747 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1749 * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return
1750 DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for
1753 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1755 * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new
1756 loclist element DW_OP_call_frame_cfa before decoding the opcodes.
1757 Remove the later DW_OP_call_frame_cfa push to RESULT.
1759 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1762 * fde.c (binary_search_fde): Remove always true <address >= start>
1763 conditional. Move L initialization upwards.
1765 2012-08-24 Mark Wielaard <mjw@redhat.com>
1767 * dwarf_begin_elf.c (check_section): Only probe for dwz multi files
1768 when ENABLE_DWZ is defined.
1769 * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is
1772 2012-08-16 Mark Wielaard <mjw@redhat.com>
1774 * Makefile.am (EXTRA_DIST): Add known-dwarf.h.
1775 * dwarf.h (DW_LANG_Go): Update comment.
1776 (DW_LANG_Mips_Assembler): Likewise.
1778 2012-06-27 Mark Wielaard <mjw@redhat.com>
1780 * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt.
1781 * dwarf_begin.c (dwarf_begin): Add INTDEF.
1782 * dwarf_begin_elf.c (__check_build_id): New internal_function.
1783 (try_debugaltlink): New function.
1784 (open_debugaltlink): Likewise.
1785 (check_section): Try open_debugaltlink for .gnu_debugaltlink.
1786 * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if
1788 * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK.
1789 * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt
1791 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt.
1792 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt.
1793 * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset
1795 * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call.
1796 * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK.
1797 (struct Dwarf): Add alt_dwarf and free_alt fields.
1798 (__libdw_read_offset): Add dbg_ret argument, use to check with
1799 __libdw_offset_in_section.
1800 (__check_build_id): New function declaration.
1801 (dwarf_begin): Define as INTDECL.
1802 * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt
1803 and DW_FORM_GNU_strp_alt.
1805 2012-07-19 Mark Wielaard <mjw@redhat.com>
1807 * dwarf.h: Add DW_OP_GNU_parameter_ref.
1809 2012-07-24 Mark Wielaard <mjw@redhat.com>
1811 * dwarf.h: Correct spelling of DW_LANG_ObjC.
1812 * dwarf_aggregate_size.c (array_size): Use correct spelling of
1815 2012-07-24 Mark Wielaard <mjw@redhat.com>
1817 * dwarf.h: Add DW_ATE_UTF.
1819 2012-06-27 Mark Wielaard <mjw@redhat.com>
1821 * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings.
1823 2012-06-26 Mark Wielaard <mjw@redhat.com>
1825 * libdwP.h: Add IDX_debug_macro.
1826 * dwarf.h: Add DW_AT_GNU_macros.
1827 * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro.
1828 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros.
1830 2012-04-27 Mark Wielaard <mjw@redhat.com>
1832 * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being
1833 a constant offset from DW_AT_low_pc.
1835 2012-03-19 Tom Tromey <tromey@redhat.com>
1837 * libdw_findcu.c (findcu_cb): Move earlier.
1838 (__libdw_intern_next_unit): Add new CU to search tree here...
1839 (__libdw_findcu): ... not here.
1841 2012-01-31 Mark Wielaard <mjw@redhat.com>
1843 * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset.
1845 2011-11-31 Mark Wielaard <mjw@redhat.com>
1847 * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk.
1849 2011-07-14 Mark Wielaard <mjw@redhat.com>
1851 * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info.
1853 2011-05-16 Jakub Jelinek <jakub@redhat.com>
1855 * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type,
1856 DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret):
1859 2011-04-26 Mark Wielaard <mjw@redhat.com>
1861 * dwarf_child (dwarf_child): Sanity check end of section against
1862 cu_data () of die->cu.
1864 2011-03-22 Mark Wielaard <mjw@redhat.com>
1866 * dwarf.h: Add DW_TAG_GNU_call_site,
1867 DW_TAG_GNU_call_site_parameter,
1868 DW_AT_GNU_call_site_value,
1869 DW_AT_GNU_call_site_data_value,
1870 DW_AT_GNU_call_site_target,
1871 DW_AT_GNU_call_site_target_clobbered,
1872 DW_AT_GNU_tail_call,
1873 DW_AT_GNU_all_tail_call_sites,
1874 DW_AT_GNU_all_call_sites,
1875 DW_AT_GNU_all_source_call_sites,
1876 and DW_OP_GNU_entry_value.
1878 2011-03-10 Petr Machata <pmachata@redhat.com>
1880 * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for
1881 abbreviation with code 0.
1883 2011-03-09 Petr Machata <pmachata@redhat.com>
1885 * libdw/dwarf_child.c (dwarf_child): Check for section overrun.
1887 2011-02-23 Roland McGrath <roland@redhat.com>
1889 * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask.
1890 Declare __libdw_free_zdata.
1891 * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function.
1892 (dwarf_end): Call it.
1894 * dwarf_begin_elf.c (valid_p): Likewise.
1895 (check_section, scngrp_read): Likewise.
1896 (check_section) [USE_ZLIB]: Grok .z* flavors of sections.
1898 2010-10-13 Roland McGrath <roland@redhat.com>
1900 * dwarf.h: Add DW_LANG_Go.
1902 2010-10-05 Roland McGrath <roland@redhat.com>
1904 * dwarf_getaranges.c: Use malloc rather than alloca,
1905 since the total number of elements can be quite huge.
1907 2010-07-26 Roland McGrath <roland@redhat.com>
1909 * dwarf_getlocation_implicit_pointer.c: New file.
1910 * Makefile.am (libdw_a_SOURCES): Add it.
1911 * libdw.map (ELFUTILS_0.149): New set.
1912 Add dwarf_getlocation_implicit_pointer.
1913 * libdw.h: Declare it.
1915 * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global.
1916 (dwarf_offdie, dwarf_offdie_types): Update callers.
1917 * libdwP.h: Declare it.
1919 * dwarf.h: Add DW_OP_GNU_implicit_pointer.
1920 * dwarf_getlocation.c (__libdw_intern_expression): Handle it.
1922 2010-08-24 Roland McGrath <roland@redhat.com>
1924 * libdw.map (ELFUTILS_0.149): New set. Add dwfl_dwarf_line.
1926 2010-07-27 Roland McGrath <roland@redhat.com>
1928 * dwarf_formref_die.c: Fix sig8 hash insertion.
1930 2010-06-23 Roland McGrath <roland@redhat.com>
1932 * cfi.c (dwarf_cfi_validate_fde): Function removed.
1933 * libdw.h: Remove it.
1934 * libdw.map: Likewise.
1936 2010-06-22 Roland McGrath <roland@redhat.com>
1938 * dwarf_getlocation.c (check_constant_offset): data[48] are constant.
1940 * dwarf_getsrclines.c: Fix signed comparison warning in extended
1943 2010-06-21 Roland McGrath <roland@redhat.com>
1945 * dwarf.h: Add DW_TAG_GNU_* constants.
1947 * memory-access.h (get_sleb128_rest_return): Fix sign extension for
1950 2010-06-20 Roland McGrath <roland@redhat.com>
1952 * libdw_findcu.c (__libdw_findcu): Take new flag argument,
1953 to search TUs instead of CUs.
1954 * libdwP.h: Update decl.
1955 (struct Dwarf): New member tu_tree.
1956 * dwarf_end.c (dwarf_end): Clean up tu_tree.
1957 * dwarf_offdie.c (do_offdie): New function, broken out of ...
1958 (dwarf_offdie): ... here.
1959 (dwarf_offdie_types): New function.
1960 * libdw.h: Declare it.
1961 * libdw.map (ELFUTILS_0.148): Add it.
1963 * libdwP.h (CUDIE): Use cu_data.
1964 * dwarf_formblock.c: Likewise.
1965 * dwarf_formref_die.c: Likewise.
1966 * dwarf_diecu.c: Use CUDIE macro.
1967 * dwarf_formaddr.c: Use cu_sec_idx.
1969 2010-06-16 Roland McGrath <roland@redhat.com>
1971 * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so
1972 we don't repeat a CU lookup we've already done. Handle
1973 DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit.
1975 * libdw_findcu.c (__libdw_intern_next_unit): New function,
1977 (__libdw_findcu): ... here. Call it.
1978 * libdwP.h: Declare it.
1979 (struct Dwarf): New member next_tu_offset.
1981 * dwarf_sig8_hash.c: New file.
1982 * dwarf_sig8_hash.h: New file.
1983 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1984 * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before
1986 * libdwP.h (struct Dwarf): New member sig8_hash.
1987 * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it.
1988 * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it.
1990 * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ...
1991 (dwarf_nextcu): ... here. Call it.
1992 * libdw.h: Declare it.
1993 * libdwP.h: Add INTDECL.
1994 * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu.
1995 * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit.
1997 * libdwP.h (cu_sec_idx, cu_data): New functions.
1998 Use .debug_types when CU is a TU.
1999 * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info.
2000 * dwarf_siblingof.c: Likewise.
2001 * dwarf_formstring.c: Likewise.
2002 * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise.
2003 * dwarf_getlocation.c (dwarf_getlocation): Likewise.
2004 (dwarf_getlocation_addr): Likewise.
2006 * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8.
2007 (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute
2008 .debug_types header size instead of .debug_info header size.
2010 * dwarf_diecu.c: Update caller.
2011 * dwarf_getaranges.c: Likewise.
2012 * dwarf_nextcu.c: Likewise.
2013 * libdw_findcu.c (__libdw_findcu): Initialize new members.
2015 * fde.c (fde_by_offset): Renamed to ...
2016 (__libdw_fde_by_offset): ... this, made global and internal_function.
2017 Don't take ADDRESS argument.
2018 (__libdw_find_fde): Update caller. Do address sanity check here.
2019 * cfi.h: Declare __libdw_fde_by_offset.
2020 * cfi.c (dwarf_cfi_validate_fde): New function.
2021 * libdw.h: Declare it.
2022 * libdw.map (ELFUTILS_0.148): Add it.
2024 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
2025 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
2027 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
2028 Don't assume DW_EH_PE_aligned refers to native address size.
2030 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
2033 2010-06-17 Roland McGrath <roland@redhat.com>
2035 * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and
2037 * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts
2038 into an inner inline function. Set new fields. Check all fields for
2039 overflow when setting.
2040 * dwarf_lineisa.c: New file.
2041 * dwarf_linediscriminator.c: New file.
2042 * dwarf_lineop_index.c: New file.
2043 * Makefile.am (libdw_a_SOURCES): Add them.
2044 * libdw.map (ELFUTILS_0.148): Add them.
2045 * libdw.h: Declare them.
2047 2010-06-16 Roland McGrath <roland@redhat.com>
2049 * dwarf_next_cfi.c: Fix version 4 return_address_register decoding.
2051 * fde.c (fde_by_offset): Renamed to ...
2052 (__libdw_fde_by_offset): ... this, made global and internal_function.
2053 Don't take ADDRESS argument.
2054 (__libdw_find_fde): Update caller. Do address sanity check here.
2055 * cfi.h: Declare __libdw_fde_by_offset.
2056 * cfi.c (dwarf_cfi_validate_fde): New function.
2057 * libdw.h: Declare it.
2058 * libdw.map (ELFUTILS_0.148): Add it.
2060 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
2061 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
2063 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
2064 Don't assume DW_EH_PE_aligned refers to native address size.
2066 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
2069 2010-06-15 Roland McGrath <roland@redhat.com>
2071 * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like
2073 * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way
2074 here, since we don't support it yet.
2076 * dwarf_next_cfi.c: Handle version 4 format.
2078 * dwarf_getsrclines.c: Handle version 4 format.
2080 2010-06-01 Roland McGrath <roland@redhat.com>
2082 * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types.
2083 * dwarf_begin_elf.c (dwarf_scnnames): Likewise.
2085 * libdwP.h (CIE_VERSION): Remove unused macro.
2087 * dwarf_getsrclines.c: Fix version field test.
2088 * libdwP.h (DWARF_VERSION): Remove useless macro.
2090 * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling.
2092 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc.
2094 * libdw_findcu.c (__libdw_findcu): Accept version 4.
2096 2010-05-31 Mark Wielaard <mjw@redhat.com>
2098 * cfi.h (dwarf_cfi_cie_p): Move definition from here, to ..
2099 * libdw.h (dwarf_cfi_cie_p): ... here.
2101 2010-05-31 Mark Wielaard <mjw@redhat.com>
2103 * dwarf.h: Fix DW_LANG_Python constant.
2105 2010-05-28 Eduardo Santiago <santiago@redhat.com>
2107 * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first
2110 2010-05-27 Roland McGrath <roland@redhat.com>
2112 * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name,
2113 DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator.
2115 2010-05-08 Roland McGrath <roland@redhat.com>
2117 * dwarf_getlocation.c (__libdw_intern_expression): Take new argument
2118 REF_SIZE. Use that to handle DW_OP_call_ref correctly.
2119 (getlocation): Update caller.
2120 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
2121 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
2122 * libdwP.h: Update decl.
2124 2010-04-26 Roland McGrath <roland@redhat.com>
2126 * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule.
2127 * cfi.c (execute_cfi): Set that instead of doing cfi_assert for
2128 DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force.
2129 * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid.
2131 * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP.
2132 Prepend DW_OP_call_frame_cfa if true.
2133 (getlocation): Update caller.
2134 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
2135 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
2136 * libdwP.h: Update decl.
2138 2010-04-22 Roland McGrath <roland@redhat.com>
2140 * cfi.c (execute_cfi): Never return without cleanup.
2142 (cie_cache_initial_state): Adjust caller to expect that free.
2143 (__libdw_frame_at_address): Likewise.
2145 2010-03-10 Roland McGrath <roland@redhat.com>
2147 * libdw.map (ELFUTILS_0.146): New set. Add dwfl_core_file_report.
2149 2010-02-15 Roland McGrath <roland@redhat.com>
2151 * Makefile.am: Use config/eu.am for common stuff.
2153 2010-02-02 Mark Wielaard <mjw@redhat.com>
2155 * fde.c (intern_fde): Fix length check for sized_augmentation_data.
2157 2010-01-07 Roland McGrath <roland@redhat.com>
2159 * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum.
2161 2010-01-05 Roland McGrath <roland@redhat.com>
2163 * dwarf_aggregate_size.c: New file.
2164 * Makefile.am (libdw_a_SOURCES): Add it.
2165 * libdw.h: Declare it.
2166 * libdwP.h: Add INTDECL.
2167 * libdw.map (ELFUTILS_0.144): New set. Add dwarf_aggregate_size.
2169 * dwarf_srclang.c: Add INTDEF.
2170 * libdwP.h: Add INTDECL.
2172 * dwarf.h: Add some more DW_AT_GNU_* types from gcc.
2174 * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name.
2176 2009-11-21 Roland McGrath <roland@redhat.com>
2178 * dwarf_getlocation.c (check_constant_offset): Return 1 for all
2181 2009-10-15 Roland McGrath <roland@redhat.com>
2183 * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset,
2184 DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8.
2186 2009-09-17 Roland McGrath <roland@redhat.com>
2188 * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP
2189 argument a pointer to const.
2190 * libdw.h: Update decl.
2192 2009-09-10 Roland McGrath <roland@redhat.com>
2194 * dwarf_getlocation.c (store_implicit_value): New function.
2195 (__libdw_intern_expression): Use it, handle DW_OP_implicit_value.
2196 (dwarf_getlocation_implicit_value): New function.
2197 * libdw.h: Declare it.
2198 * libdw.map (ELFUTILS_0.143): Add it.
2200 2009-09-09 Mark Wielaard <mjw@redhat.com>
2202 * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl.
2204 2009-08-21 Josh Stone <jistone@redhat.com>
2206 * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too.
2208 2009-08-10 Roland McGrath <roland@redhat.com>
2210 * dwarf_getscopevar.c: Use dwarf_diename.
2212 2009-08-09 Roland McGrath <roland@redhat.com>
2214 * libdw.map (ELFUTILS_0.143): New version set,
2215 inherits from ELFUTILS_0.142.
2216 * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an
2217 alias in the ELFUTILS_0.122 version set and the default in the new set.
2218 * dwarf_srclang.c: Likewise.
2219 * dwarf_decl_file.c: Likewise.
2220 * dwarf_decl_line.c: Likewise.
2221 * dwarf_decl_column.c: Likewise.
2222 * dwarf_bytesize.c: Likewise.
2223 * dwarf_bitsize.c: Likewise.
2224 * dwarf_bitoffset.c: Likewise.
2226 2009-08-07 Roland McGrath <roland@redhat.com>
2228 * dwarf_arrayorder.c: Use dwarf_attr_integrate.
2229 * dwarf_srclang.c: Likewise.
2230 * dwarf_decl_file.c: Likewise.
2231 * dwarf_decl_line.c (__libdw_attr_intval): Likewise.
2232 * dwarf_bytesize.c: Likewise.
2233 * dwarf_bitsize.c: Likewise.
2234 * dwarf_bitoffset.c: Likewise.
2236 2009-07-22 Roland McGrath <roland@redhat.com>
2238 * dwarf_frame_cfa.c: Change calling convention.
2239 * libdw.h: Update decl.
2241 * dwarf_frame_register.c: Change calling/return-value convention for
2242 value-only results and undefined/same_value.
2243 * libdw.h: Update decl.
2245 * dwarf_getlocation.c (__libdw_intern_expression): Take new bool
2246 argument, append DW_OP_stack_value if set. Don't take NOPS argument,
2247 return that value instead.
2248 (getlocation): Update caller.
2249 * dwarf_frame_cfa.c: Likewise.
2250 * libdwP.h: Update decl.
2252 2009-07-21 Roland McGrath <roland@redhat.com>
2254 * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list.
2255 Fix loop iteration after skipping a bogus or useless CU.
2257 * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless
2258 absence, not DWARF_E_NO_DEBUG_LINE.
2260 2009-07-20 Roland McGrath <roland@redhat.com>
2262 * dwarf_getlocation.c (__libdw_intern_expression):
2263 Handle DW_OP_stack_value.
2265 2009-07-16 Roland McGrath <roland@redhat.com>
2267 * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset,
2268 reject others when CU's version > 3.
2270 * dwarf_formflag.c: Handle DW_FORM_flag_present.
2272 * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft.
2273 Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type.
2274 Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset,
2275 and DW_AT_const_expr.
2276 Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present,
2277 and DW_FORM_ref_sig8.
2279 2009-07-15 Roland McGrath <roland@redhat.com>
2281 * dwarf_getlocation.c: Grok DW_OP_form_tls_address,
2282 DW_OP_GNU_push_tls_address, and DW_OP_bit_piece.
2284 2009-07-13 Roland McGrath <roland@redhat.com>
2286 * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa.
2288 2009-07-08 Roland McGrath <roland@redhat.com>
2290 * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi,
2293 * libdwP.h (struct Dwarf): Add member `cfi'.
2294 * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it.
2295 * dwarf_getcfi.c: New file.
2296 * dwarf_getcfi_elf.c: New file.
2297 * dwarf_cfi_end.c: New file.
2298 * dwarf_cfi_addrframe.c: New file.
2299 * dwarf_frame_cfa.c: New file.
2300 * dwarf_frame_register.c: New file.
2301 * dwarf_frame_return_address_register.c: New file.
2302 * Makefile.am (libdw_a_SOURCES): Add them.
2303 * unwind.h: Declare those functions.
2304 * libdw.map (ELFUTILS_0.142): Export them.
2306 * dwarf_getlocation.c (__libdw_intern_expression): New function,
2308 (getlocation): ... here, call it.
2309 * libdwP.h: Declare it.
2313 * frame-cache.c: New file.
2316 * encoded-value.h: New file.
2317 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
2318 * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum.
2319 * dwarf_error.c (errmsgs): Add element for it.
2321 * dwarf_next_cfi.c: New file.
2322 * Makefile.am (libdw_a_SOURCES): Add it.
2323 * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types.
2324 Declare dwarf_next_cfi.
2325 * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136.
2328 * memory-access.h [! ALLOW_UNALIGNED]
2329 (read_2ubyte_unaligned): Renamed to ...
2330 (read_2ubyte_unaligned_1): ... this. Take bool rather than Dwarf *.
2331 (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order.
2332 (read_2sbyte_unaligned): Likewise.
2333 (read_4ubyte_unaligned): Likewise.
2334 (read_4sbyte_unaligned): Likewise.
2335 (read_8ubyte_unaligned): Likewise.
2336 (read_8sbyte_unaligned): Likewise.
2338 * libdwP.h (IDX_eh_frame): Remove it.
2339 * dwarf_begin_elf.c (dwarf_scnnames): Remove its element.
2341 2009-07-08 Roland McGrath <roland@redhat.com>
2343 * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better.
2345 * dwarf_getlocation.c (check_constant_offset): New function.
2346 (dwarf_getlocation, dwarf_getlocation_addr): Call it to
2347 handle DW_AT_data_member_location of data[48] as constant offset.
2349 2009-06-18 Roland McGrath <roland@redhat.com>
2351 * libdwP.h (__libdw_read_address_inc): Constify.
2352 (__libdw_read_offset_inc): Likewise.
2353 * dwarf_getaranges.c: Likewise.
2354 * dwarf_getlocation.c: Likewise.
2355 * dwarf_getsrclines.c: Likewise.
2356 * dwarf_nextcu.c: Likewise.
2358 2009-05-05 Petr Machata <pmachata@redhat.com>
2360 * libdwP.h (__libdw_formptr): Declare new function.
2361 * dwarf_formudata.c: Implement it here.
2362 * dwarf_getlocation.c (dwarf_getlocation_addr):
2363 Call it instead of hand-rolled offset handling code.
2364 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
2365 * dwarf_ranges.c (dwarf_ranges): Likewise.
2367 2009-05-04 Petr Machata <pmachata@redhat.com>
2369 * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function.
2370 * dwarf_ranges.c: Implement it here.
2371 (dwarf_ranges): Call it.
2372 * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here.
2374 2009-04-23 Petr Machata <pmachata@redhat.com>
2376 * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead
2377 of read_*ubyte_unaligned.
2378 * dwarf_formref_die.c (dwarf_formref_die): Likewise.
2379 * dwarf_formstring.c (dwarf_formstring): Likewise.
2380 * dwarf_formudate.c (dwarf_formudata): Likewise.
2381 * dwarf_getaranges.c (dwarf_getaranges): Likewise.
2382 * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise.
2383 * dwarf_getpubnames.c (get_offsets): Likewise.
2384 * dwarf_nextcu.c (dwarf_nextcu): Likewise.
2386 2009-04-23 Petr Machata <pmachata@redhat.com>
2388 * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc,
2389 __libdw_read_addr, __libdw_read_off): Add four new internal
2392 2009-05-07 Roland McGrath <roland@redhat.com>
2394 * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in
2395 return value and OFFSET argument, not CU-relative. Only fetch the
2396 attribute data when called with OFFSET of 0.
2398 2009-05-07 Petr Machata <pmachata@redhat.com>
2400 * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in
2401 DW_AT_macro_info attribute of CU DIE.
2403 2009-04-15 Roland McGrath <roland@redhat.com>
2405 * dwarf.h (DW_CIE_ID): Removed.
2406 (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it.
2408 2009-04-01 Roland McGrath <roland@redhat.com>
2410 * dwarf.h: Add DW_CFA_GNU_negative_offset_extended.
2412 2009-01-28 Roland McGrath <roland@redhat.com>
2414 * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s
2415 defn so C++ doesn't scope the name to not match the Dwarf_Line typedef.
2417 * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field.
2419 2009-01-26 Roland McGrath <roland@redhat.com>
2421 * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all.
2423 2009-01-25 Roland McGrath <roland@redhat.com>
2425 * dwarf_getattrs.c: Correctly skip attribute values when restarting.
2427 2009-01-23 Roland McGrath <roland@redhat.com>
2429 * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back.
2430 Put these rules under if MAINTAINER_MODE.
2432 2009-01-22 Roland McGrath <roland@redhat.com>
2434 * dwarf.h: Add DW_OP_GNU_encoded_addr.
2436 2009-01-21 Roland McGrath <roland@redhat.com>
2438 * Makefile.am (CLEANFILES): Renamed to ...
2439 (MOSTLYCLEANFILES): ... here.
2440 (CLEANFILES): New variable, add known-dwarf.h.
2442 2009-01-17 Roland McGrath <roland@redhat.com>
2444 * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir).
2445 Make it unconditional.
2446 (BUILT_SOURCES): Updated.
2448 * dwarf.h: Add description comments for DW_LANG_* values.
2450 * Makefile.am [MAINTAINER_MODE]
2451 ($(srcdir)/known-dwarf.h): New target.
2452 (BUILT_SOURCES): Add it.
2454 * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit.
2456 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2458 * dwarf_error.c: Always use __thread. Remove all !USE_TLS code.
2460 2009-01-08 Roland McGrath <roland@redhat.com>
2462 * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in.
2464 2008-01-06 Roland McGrath <roland@redhat.com>
2466 * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool.
2468 * dwarf_haschildren.c: Return -1 for error case, not 0.
2470 * Makefile.am (libdw.so): Link in $(zip_LIBS).
2472 2009-01-06 Ulrich Drepper <drepper@redhat.com>
2474 * dwarf.h: Add definition for unwind and call frame information.
2476 * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned,
2477 read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc.
2479 2008-08-15 Roland McGrath <roland@redhat.com>
2481 * libdw.map (ELFUTILS_0.136): New version set, inherits from
2482 ELFUTILS_0.130. Add dwfl_addrsegment, dwfl_report_segment.
2484 2008-01-21 Ulrich Drepper <drepper@redhat.com>
2486 * dwarf_child.c: Minor optimizations.
2487 * dwarf_getattrs.c: Likewise.
2488 * dwarf_getpubnames.c: Likewise.
2489 * dwarf_siblingof.c: Likewise.
2490 * dwarf_tag.c: Likewise.
2492 2008-01-18 Ulrich Drepper <drepper@redhat.com>
2494 * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match
2495 of DWARF_VERSION comparison, just fail if the file's version is newer.
2497 2008-01-17 Nick Clifton <nickc@redhat.com>
2499 * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define.
2500 (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define.
2501 (DWARF3_LENGTH_64_BIT): New define.
2502 * dwarf_getaranges (dwarf_getaranges): Use the new definitions.
2503 * dwarf_getpubnames: Include dwarf.h.
2504 (get_offsets): Use the new definitions.
2505 * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions.
2506 * dwarf_nextcu.c: Include dwarf.h. Correct comment.
2507 (dwarf_nextcu): Use the new definitions.
2509 * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro.
2510 * dwarf_diecu.c (dwarf_diecu): Use the new macro.
2511 * dwarf_getaranges (dwarf_getaranges): Use the new macro.
2512 * dwarf_nextcu.c (dwarf_nextcu): Use the new macro.
2514 * dwarf_getpubnames (get_offsets): Replace assertion with test and
2517 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE.
2519 * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer.
2520 Set the address in the return structure to the address of the next
2521 non-sibling die, if there is no sibling and the return pointer is
2522 not the same as the die pointer.
2523 * libdw.h: Expand the description of the dwarf_siblingof prototype.
2525 * dwarf_child.c: Fix typo in comment.
2527 * libdwP.h (DWARF_VERSION): Change to 3.
2529 * dwarf_formref.c (__libdw_formref.c): Handle attributes which do
2530 not have a initialised valp pointer.
2532 * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when
2533 the end of the attributes is reached. When the callback fails,
2534 return the address of the failing attribute, not the address of
2536 * libdw.h: Expand the description of the dwarf_getattrs prototype.
2538 * dwarf_child.c (__libdw_find_attr): Use the new definition.
2539 (dwarf_child): Likewise.
2540 * dwarf_tag.c (__libdw_findabbrev): Likewise.
2541 (dwarf_tag): Likewise.
2543 2008-01-08 Roland McGrath <roland@redhat.com>
2545 * Makefile.am (euinclude): Variable removed.
2546 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2547 (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir).
2549 2007-10-17 Roland McGrath <roland@redhat.com>
2551 * libdw.h (__deprecated_attribute__): New macro.
2552 (dwarf_formref): Mark it deprecated.
2553 * dwarf_formref.c (__libdw_formref): New function, broken out of ...
2554 (dwarf_formref): ... here. Call it. Remove INTDEF.
2555 * libdwP.h: Remove INTDECL.
2556 Declare __libdw_formref.
2557 * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead.
2558 * dwarf_formref_die.c: Likewise. Handle DW_FORM_ref_addr here.
2560 * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result,
2561 needs to check CU->version.
2563 * libdwP.h (struct Dwarf_CU): New member `version'.
2564 * libdw_findcu.c (__libdw_findcu): Initialize it.
2566 * dwarf_child.c: Return 1 for null entry as first child.
2568 2007-10-05 Roland McGrath <roland@redhat.com>
2570 * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections.
2572 * libdw.h (__extern_inline): Rename to __libdw_extern_inline.
2573 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses.
2575 2007-10-03 Roland McGrath <roland@redhat.com>
2577 * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf
2578 and dwfl_build_id_find_debuginfo.
2580 * libdw.map (ELFUTILS_0.130): New version set, inherits from
2581 ELFUTILS_0.127. Add dwfl_module_build_id, dwfl_module_report_build_id.
2583 2007-10-02 Roland McGrath <roland@redhat.com>
2585 * libdw_visit_scopes.c (classify_die): Return walk for class_type and
2588 2007-08-07 Roland McGrath <roland@redhat.com>
2590 * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when
2591 error code is DWARF_E_NOERROR (0).
2593 * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune.
2594 Fix typo in __libdw_visit_scopes argument.
2596 * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return,
2597 swallow DWARF_E_NO_DEBUG_RANGES but not other errors.
2599 2007-07-03 Roland McGrath <roland@redhat.com>
2601 * libdw.h (__extern_inline): New macro.
2602 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it.
2604 2007-04-16 Roland McGrath <roland@redhat.com>
2606 * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section.
2608 2007-04-05 Roland McGrath <roland@redhat.com>
2610 * dwarf_getsrcdirs.c: New file.
2611 * Makefile.am (libdw_a_SOURCES): Add it.
2612 * libdw.h: Declare dwarf_getsrcdirs.
2613 * libdw.map (ELFUTILS_0.127): Add it.
2615 * libdwP.h (struct Dwarf_Files_s): New member ndirs.
2616 * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to
2617 zero before we use it to check for DWARF_E_INVALID_DIR_IDX.
2618 Save DIRARRAY in the Dwarf_Files.
2620 * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN
2621 address to check for all-ones base address entry. Check directly.
2622 Reported by Sébastien Dugué <sebastien.dugue@bull.net>.
2624 2007-03-25 Roland McGrath <roland@redhat.com>
2626 * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void.
2627 Return NULL when freeing RESULT on error.
2628 (global_read, scngrp_read): Check return value from check_section,
2629 break out of loop after it has freed RESULT.
2630 (valid_p): Handle null argument.
2632 2007-03-12 Roland McGrath <roland@redhat.com>
2634 * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add.
2636 2007-03-04 Roland McGrath <roland@redhat.com>
2638 * libdw.map (ELFUTILS_0.127): New version set, inherits from
2639 ELFUTILS_0.126. Add dwfl_module_addrsym.
2641 2007-02-10 Roland McGrath <roland@redhat.com>
2643 * dwarf.h (DW_OP_fbreg): Comment fix.
2645 2007-02-03 Roland McGrath <roland@redhat.com>
2647 * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf.
2648 * libdw.map (ELFUTILS_0.126): New version set, inherits from
2649 ELFUTILS_0.122. Move dwarf_getelf there; it was never truly
2650 exported in the past.
2652 2006-12-17 Roland McGrath <roland@redhat.com>
2654 * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base
2655 address when the CU is missing attributes due to buggy GCC.
2657 2006-08-29 Roland McGrath <roland@redhat.com>
2659 * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION).
2661 * libdw.h (dwarf_diecu): Add __nonnull_attribute__.
2662 (dwarf_child): Don't list arg 1 in __nonnull_attribute__.
2664 * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure
2665 result is aligned. Adjust NEWP->remaining here for this allocation.
2666 * libdwP.h: Update decl.
2667 (libdw_alloc): Update caller.
2669 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2671 * dwarf_child.c: Adjust for internal_function_def removal.
2672 * dwarf_getabbrev.c: Likewise.
2673 * dwarf_tag.c: Likewise.
2674 * libdw_form.c: Likewise.
2675 * memory-access.c: Likewise.
2677 2006-06-28 Roland McGrath <roland@redhat.com>
2679 * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir.
2681 * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and
2684 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2686 * libdw.h: Add extern "C".
2688 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2690 * dwarf_getaranges.c (dwarf_getaranges): Handle files without
2691 aranges information.
2693 2006-05-21 Ulrich Drepper <drepper@redhat.com>
2695 * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs,
2698 2006-02-28 Roland McGrath <roland@redhat.com>
2700 * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*,
2701 DW_OP_* values, to match DWARF 3.0. Add new DW_DS_*, DW_END_*
2702 values from DWARF 3.0.
2704 2006-02-22 Roland McGrath <roland@redhat.com>
2706 * libdw.map: Bump to 0.120; export dwfl_version.
2708 2005-12-22 Roland McGrath <roland@redhat.com>
2710 * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report.
2712 2005-12-12 Roland McGrath <roland@redhat.com>
2714 * dwarf_ranges.c: Copy CU base address-finding code from
2717 2005-12-09 Roland McGrath <roland@redhat.com>
2719 * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys.
2720 Delay CU base lookup until it's needed.
2721 If CU base lookup fails with no error, flag invalid DWARF.
2723 2005-11-25 Roland McGrath <roland@redhat.com>
2725 * libdw.map: Bump to 0.118; export dwfl_module_register_names.
2727 2005-11-15 Roland McGrath <roland@redhat.com>
2729 * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic.
2731 2005-11-13 Roland McGrath <roland@redhat.com>
2733 * libdw.map: Bump to 0.117; export dwfl_module_return_value_location.
2735 2005-10-27 Roland McGrath <roland@redhat.com>
2737 * dwarf_entry_breakpoints.c (search_range): Fix binary search code;
2738 don't match end_sequence markers.
2740 * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers
2741 before normal records at the same address.
2742 * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence
2745 2005-10-26 Roland McGrath <roland@redhat.com>
2747 * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func.
2748 * dwarf_func_file.c: Renamed to ...
2749 * dwarf_decl_file.c: ... here.
2750 * dwarf_func_col.c: Renamed to ...
2751 * dwarf_decl_column.c: ... here.
2752 * dwarf_func_line.c: Renamed to ...
2753 * dwarf_decl_line.c: ... here.
2754 (dwarf_func_line): Renamed to ...
2755 (dwarf_decl_line): ... this. Take a Dwarf_Die * argument.
2756 (__libdw_func_intval): Renamed __libdw_attr_intval.
2757 * dwarf_func_name.c: File removed.
2758 * dwarf_func_lowpc.c: File removed.
2759 * dwarf_func_highpc.c: File removed.
2760 * dwarf_func_entrypc.c: File removed.
2761 * dwarf_func_die.c: File removed.
2762 * Makefile.am (libdw_a_SOURCES): Updated.
2763 * libdw.h: Update decls.
2764 (Dwarf_Func): Type removed.
2765 * libdwP.h: Update decls.
2766 (struct Dwarf_Func_s): Type removed.
2767 * libdw.map: Updated.
2769 * libdwP.h (CUDIE): New macro.
2770 * dwarf_getlocation.c (dwarf_getlocation_addr): Use it.
2771 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
2772 * dwarf_ranges.c (dwarf_ranges): Likewise.
2774 * dwarf_getloclist.c: Renamed to ...
2775 * dwarf_getlocation.c: ... here.
2776 (getloclist): Renamed to getlocation.
2777 (dwarf_getloclist): Renamed to dwarf_getlocation.
2778 (dwarf_addrloclists): Renamed to dwarf_getlocation_addr.
2779 * Makefile.am (libdw_a_SOURCES): Updated.
2780 * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation.
2781 (dwarf_addrloclists): Renamed dwarf_getlocation_addr.
2782 (Dwarf_Loc): Renamed Dwarf_Op.
2783 * libdwP.h (struct loc_s): Update use.
2784 * libdw.map: Update map.
2786 * dwarf_entry_breakpoints.c: Use the second line record within the
2787 function, regardless of its source location data.
2789 2005-10-25 Roland McGrath <roland@redhat.com>
2791 * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too.
2793 * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints.
2795 2005-10-14 Roland McGrath <roland@redhat.com>
2797 * dwarf_diecu.c (dwarf_diecu): New file.
2798 * Makefile.am (libdw_a_SOURCES): Add it.
2799 * libdw.h: Declare dwarf_diecu.
2800 * libdw.map: Export it.
2802 * libdw.map: Bump to 0.116; export dwarf_ranges.
2804 2005-09-20 Roland McGrath <roland@redhat.com>
2806 * dwarf_haspc.c: Use dwarf_ranges.
2807 * dwarf_entry_breakpoints.c: Likewise.
2809 * dwarf_ranges.c: New file.
2810 * Makefile.am (libdw_a_SOURCES): Add it.
2811 * libdw.h: Declare dwarf_ranges.
2812 * libdwP.h: Add INTDECL.
2814 2005-09-14 Roland McGrath <roland@redhat.com>
2816 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in
2817 prologue_end marker scanning loop.
2819 2005-09-11 Roland McGrath <roland@redhat.com>
2821 * dwarf.h: Comment typo fix.
2823 2005-09-07 Roland McGrath <roland@redhat.com>
2825 * dwarf_entry_breakpoints.c: New file.
2826 * Makefile.am (libdw_a_SOURCES): Add it.
2827 * libdw.h: Declare dwarf_entry_breakpoints.
2829 * dwarf_entrypc.c: New file.
2830 * Makefile.am (libdw_a_SOURCES): Add it.
2831 * libdw.h: Declare dwarf_entrypc.
2832 * libdwP.h: Add INTDECL.
2834 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2836 * Makefile.am: Use $(LINK) not $(CC) when creating DSO.
2837 (%.os): Use COMPILE.os.
2838 (COMPILE.os): Filter out gconv options.
2840 2005-08-27 Roland McGrath <roland@redhat.com>
2842 * dwarf_getscopes.c (dwarf_getscopes): Rewritten using
2843 __libdw_visit_scopes.
2845 * dwarf_getscopes_die.c: New file.
2846 * Makefile.am (libdw_a_SOURCES): Add it.
2847 * libdw.h: Declare dwarf_getscopes_die.
2848 * libdw.map: Bump to 0.115 and add it.
2850 * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct
2851 containing a DIE and its parent pointer, instead of just Dwarf_Die.
2852 Take two functions for both preorder and postorder visitors.
2853 * libdwP.h: Update decl.
2854 (struct Dwarf_Die_Chain): New type.
2855 * dwarf_func_inline.c: Update uses.
2857 * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate.
2859 * libdwP.h: Add INTDECL.
2860 * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename.
2862 2005-08-23 Roland McGrath <roland@redhat.com>
2864 * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat
2865 DW_AT_specification the same as DW_AT_abstract_origin.
2867 2005-08-20 Roland McGrath <roland@redhat.com>
2869 * libdw.map: Add dwfl_cumodule, remove dwfl_linecu.
2870 Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address,
2871 and dwfl_report_offline.
2873 2005-08-19 Roland McGrath <roland@redhat.com>
2875 * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes.
2876 Add dwfl_module_relocate_address, dwfl_module_relocations,
2877 dwfl_module_relocation_info.
2879 2005-08-18 Roland McGrath <roland@redhat.com>
2881 * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as
2882 outermost scope in the results.
2884 2005-08-15 Roland McGrath <roland@redhat.com>
2886 * dwarf_func_inline.c: New file.
2887 * Makefile.am (libdw_a_SOURCES): Add it.
2888 * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances.
2889 * libdw.map: Add them.
2891 * dwarf_func_die.c: New file.
2892 * Makefile.am (libdw_a_SOURCES): Add it.
2893 * libdw.h: Declare dwarf_func_die.
2894 * libdw.map: Add it. Bump version to ELFUTILS_0.114.
2896 2005-08-10 Ulrich Drepper <drepper@redhat.com>
2898 * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming
2899 of DW_LNS_set_epilog_begin.
2901 2005-08-09 Roland McGrath <roland@redhat.com>
2903 * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin.
2905 * dwarf_end.c: Add INTDEF.
2906 * dwarf_error.c (dwarf_errmsg): Likewise.
2907 * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs.
2909 2005-08-01 Roland McGrath <roland@redhat.com>
2911 * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset.
2912 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2914 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2916 * Makefile.am (libdw.so): No need to link with libeu.a anymore.
2917 (libdw_a_LIBADD): Add all files from libdwfl.a.
2919 2005-07-27 Roland McGrath <roland@redhat.com>
2921 * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in,
2922 along with ../libebl/libebl.a and ../lib/libeu.a;
2923 depend on ../libelf/libelf.so.
2924 (libdw_so_LDADD): New variable.
2925 * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map.
2927 * libdw.map: Define an empty base version and move all symbols to
2928 version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet.
2930 2005-07-23 Ulrich Drepper <drepper@redhat.com>
2932 * dwarf_error.c: Add internal alias for dwarf_errno.
2933 * libdwP.h: Declare __dwarf_errno_internal.
2934 * dwarf_getloclist.c: Use INTDEF for dwarf_errno.
2936 * dwarf_error.c [USE_TLS]: Actually use __thread in definition of
2939 2005-06-01 Roland McGrath <roland@redhat.com>
2941 * dwarf_getaranges.c (dwarf_getaranges): Sort result array.
2942 * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search.
2944 2005-06-08 Roland McGrath <roland@redhat.com>
2946 * memory-access.h (get_uleb128_step, get_uleb128): Remove casts.
2947 (get_sleb128_step, get_sleb128): Likewise.
2948 * dwarf_getattrs.c (dwarf_getattrs): Add consts.
2949 * dwarf_getloclist.c (getloclist): Likewise.
2950 * dwarf_formblock.c (dwarf_formblock): Likewise.
2951 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
2952 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
2953 * dwarf_formref.c (dwarf_formref): Likewise.
2954 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
2955 * dwarf_formudata.c (dwarf_formudata): Likewise.
2956 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
2957 * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise.
2958 * dwarf_tag.c (dwarf_tag): Likewise.
2959 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2960 * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise.
2961 * libdw_form.c (__libdw_form_val_len): Likewise.
2962 * libdwP.h: Update decl.
2964 2005-06-04 Roland McGrath <roland@redhat.com>
2966 * memory-access.h (get_uleb128_rest_return): New macro.
2967 [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it.
2968 (get_sleb128_rest_return): New macro.
2969 [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it.
2970 * memory-access.c: New file.
2971 * Makefile.am (libdw_a_SOURCES): Add it.
2972 (DEFS): Add -DIS_LIBDW.
2974 2005-05-31 Roland McGrath <roland@redhat.com>
2976 * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to
2979 2005-05-30 Roland McGrath <roland@redhat.com>
2981 * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base
2982 address if DW_AT_low_pc is missing. Not to spec, but GCC generates it.
2984 * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte
2985 BEGIN value. Instead, match base address entries separately for
2988 2005-05-28 Roland McGrath <roland@redhat.com>
2990 * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance
2991 past location expression contents.
2993 2005-05-23 Roland McGrath <roland@redhat.com>
2995 * dwarf_getsrclines.c: Comment typo fix.
2997 * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation.
2998 * dwarf_getloclist.c (dwarf_addrloclists): Likewise.
3000 2005-05-22 Ulrich Drepper <drepper@redhat.com>
3002 * libdwP.h: Only use INTDECL for alias prototypes.
3004 2005-05-19 Roland McGrath <roland@redhat.com>
3006 * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too.
3008 * dwarf_getscopevar.c: New file.
3009 * Makefile.am (libdw_a_SOURCES): Add it.
3010 * libdw.h: Declare dwarf_getscopevar.
3012 * dwarf_getsrcfiles.c: Add INTDEF.
3013 * dwarf_haschildren.c: Likewise.
3014 * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL.
3016 * dwarf_getscopes.c: New file.
3017 * Makefile.am (libdw_a_SOURCES): Add it.
3018 * libdw.h: Declare dwarf_getscopes.
3019 * libdw.map: Add it.
3021 2005-05-18 Roland McGrath <roland@redhat.com>
3023 * libdwP.h (IDX_debug_ranges): New enum constant.
3024 * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges".
3025 * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant.
3026 * dwarf_error.c (errmsgs): Add it.
3027 * dwarf_haspc.c: New file.
3028 * libdw.h: Declare dwarf_haspc.
3029 * libdw.map: Add it.
3030 * libdwP.h: Add INTDECL.
3032 * dwarf_attr_integrate.c: New file.
3033 * dwarf_hasattr_integrate.c: New file.
3034 * Makefile.am (libdw_a_SOURCES): Add them.
3035 * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate.
3036 * libdw.map: Add them.
3038 * dwarf_hasattr.c: Add INTDEF.
3039 * libdwP.h: Add INTDECL for it.
3041 * dwarf_formref_die.c: New file.
3042 * Makefile.am (libdw_a_SOURCES): Add it.
3043 * libdw.h (dwarf_formref_die): Declare it.
3044 * libdwP.h (dwarf_formref_die): Add INTDECL.
3045 * libdw.map: Add it.
3047 * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out
3049 (dwarf_getloclist): ... here. Call them.
3050 (dwarf_addrloclists): New function.
3051 * libdw.h: Declare it.
3052 * libdw.map: Add it.
3054 * dwarf_getmacros.c (dwarf_getmacros): Don't bail at
3055 DW_MACINFO_end_file. Recognize type 0 as terminator.
3057 2005-05-05 Roland McGrath <roland@redhat.com>
3059 * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search.
3061 * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since
3062 the line program does not produce all entries in ascending order.
3064 2005-04-25 Ulrich Drepper <drepper@redhat.com>
3066 * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple
3067 occurences (e.g., inlines) better.
3069 2005-04-24 Ulrich Drepper <drepper@redhat.com>
3071 * libdw.h (DWARF_END_ABBREV): Define.
3072 * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if
3074 * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end
3076 * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV
3077 as error of __libdw_getabbrev.
3079 2005-04-04 Ulrich Drepper <drepper@redhat.com>
3081 * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization.
3083 * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of
3084 results back to caller.
3086 2005-04-04 Roland McGrath <roland@redhat.com>
3088 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL.
3090 * dwarf_func_line.c (__libdw_func_intval): Use internal_function in
3093 2005-04-04 Ulrich Drepper <drepper@redhat.com>
3095 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE.
3097 * dwarf_getsrc_file.c: New file.
3098 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c.
3099 * libdw.h: Declare dwarf_getsrc_file.
3100 * libdw.map: Add dwarf_getsrc_file.
3102 2005-04-02 Ulrich Drepper <drepper@redhat.com>
3104 * dwarf_func_entrypc.c: New file.
3105 * dwarf_func_col.c: New file.
3106 * dwarf_func_line.c: New file.
3107 * dwarf_func_file.c: New file.
3108 * libdw.h: Add prototypes for new functions.
3109 * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line,
3111 * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c,
3112 dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c.
3113 * libdwP.h (struct Dwarf_Func_s): Add cudie element.
3114 Declare __libdw_func_intval and __dwarf_formsdata_internal.
3115 * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object.
3116 * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs.
3118 * dwarf.h: Add some DWARF3 definitions.
3120 2005-04-01 Ulrich Drepper <drepper@redhat.com>
3122 * dwarf_getfuncs.c: New file.
3123 * dwarf_func_highpc.c: New file.
3124 * dwarf_func_lowpc.c: New file.
3125 * dwarf_func_name.c: New file.
3126 * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c,
3127 dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c.
3128 * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc,
3129 and dwarf_func_name.
3130 * libdw.h: Add prototypes for new functions.
3131 * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs.
3132 * dwarf_siblingof.c: Likewise.
3133 * dwarf_dieoffset.c: Likewise.
3134 * dwarf_highpc.c: Likewise.
3135 * dwarf_lowpc.c: Likewise.
3136 * libdwP.h: Add prototypes for internal functions.
3137 Define Dwarf_Func_s structure.
3139 2005-03-29 Ulrich Drepper <drepper@redhat.com>
3141 * libdw.h: Add padding in Dwarf_die.
3143 * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs.
3144 * dwarf_attr.c: Likewise.
3145 * dwarf_begin.c: Likewise.
3146 * dwarf_begin_elf.c: Likewise.
3147 * dwarf_bitoffset.c: Likewise.
3148 * dwarf_bitsize.c: Likewise.
3149 * dwarf_bytesize.c: Likewise.
3150 * dwarf_diename.c: Likewise.
3151 * dwarf_formaddr.c: Likewise.
3152 * dwarf_formblock.c: Likewise.
3153 * dwarf_formref.c: Likewise.
3154 * dwarf_formstring.c: Likewise.
3155 * dwarf_formudata.c: Likewise.
3156 * dwarf_getarange_addr.c: Likewise.
3157 * dwarf_getarangeinfo.c: Likewise.
3158 * dwarf_getaranges.c: Likewise.
3159 * dwarf_getloclist.c: Likewise.
3160 * dwarf_getmacros.c: Likewise.
3161 * dwarf_getsrc_die.c: Likewise.
3162 * dwarf_getsrcfiles.c: Likewise.
3163 * dwarf_getsrclines.c: Likewise.
3164 * dwarf_highpc.c: Likewise.
3165 * dwarf_lowpc.c: Likewise.
3166 * dwarf_nextcu.c: Likewise.
3167 * dwarf_offdie.c: Likewise.
3168 * dwarf_siblingof.c: Likewise.
3169 * dwarf_srclang.c: Likewise.
3170 * dwarf_tag.c: Likewise.
3171 * libdw_findcu.c: Likewise.
3172 * libdwP.h: Add prototypes for internal functions.
3174 * dwarf_addrdie.c: New file.
3175 * dwarf_macro_opcode.c: New file.
3176 * dwarf_macro_param1.c: New file.
3177 * dwarf_macro_param2.c: New file.
3178 * libdw.h: Add declarations. Move Dwarf_Macro definition to libdwP.h.
3179 * libdwP.h: Remove Dwarf_Macro definition.
3180 * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c,
3181 dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c.
3182 * libdw.map: Add entries for new functions.
3184 2005-03-21 Ulrich Drepper <drepper@redhat.com>
3186 * libdw.h: Handle broken gcc < 4.
3188 2005-02-15 Ulrich Drepper <drepper@redhat.com>
3190 * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
3192 * dwarf_begin_elf.c: Fix warnings.
3193 * dwarf_dieoffset.c: Likewise.
3194 * dwarf_end.c: Likewise.
3195 * dwarf_error.c: Likewise.
3196 * dwarf_getpubnames.c: Likewise.
3198 * libdwP.h: Add new error values.
3199 * dwarf_error.c: Support new error values.
3200 * dwarf_getpubnames.c: Check parameter value.
3202 2005-02-05 Ulrich Drepper <drepper@redhat.com>
3204 * Makefile.am: Check for text relocations in constructed DSO.
3206 * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap.
3208 2005-02-04 Ulrich Drepper <drepper@redhat.com>
3210 * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary
3211 checks to not read over buffer boundaries for ill-formed DWARF data.
3213 2004-09-25 Ulrich Drepper <drepper@redhat.com>
3215 * dwarf_child.c: Make compile with gcc 4.0.
3216 * dwarf_error.c: Likewise.
3217 * dwarf_formblock.c: Likewise.
3218 * dwarf_getabbrev.c: Likewise.
3219 * dwarf_getattrs.c: Likewise.
3220 * dwarf_getsrclines.c: Likewise.
3221 * dwarf_tag.c: Likewise.
3222 * libdw_form.c: Likewise.
3224 2004-01-20 Ulrich Drepper <drepper@redhat.com>
3226 * Makefile.am: Support building with mudflap.
3228 * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out.
3229 * dwarf_getsrclines.c: Likewise.
3230 * dwarf_memory-access.h: Likewise.
3232 2004-01-19 Ulrich Drepper <drepper@redhat.com>
3234 * dwarf_getsrcfiles.c: Third parameter can be NULL.
3236 * libdw.h: Define Dwarf_macro. Declare dwarf_getmacros.
3237 Third parameter of dwarf_getsrcfiles can be NULL.
3239 * libdw.map: Add dwarf_getmacros.
3240 * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros.
3241 * dwarf_getmacros.c: New file.
3243 2004-01-18 Ulrich Drepper <drepper@redhat.com>
3245 * libdw.h: Second parameter of dwarf_getaranges can be NULL.
3247 * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL.
3249 * dwarf_getsrclines.c:
3250 Use read_2ubyte_unaligned_inc instead of _inc-less variant.
3252 * dwarf_getaranges.c: Allow naranges parameter to be NULL.
3254 * libdwP.h (_): Use elfutils domain.
3256 * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction.
3258 * dwarf_getsrclines.c: Fix typo in comment.
3260 2004-01-17 Ulrich Drepper <drepper@redhat.com>
3262 * Makefile.am: Support building with mudflap.
3264 2004-01-16 Ulrich Drepper <drepper@redhat.com>
3266 * memory-access.h: Add lots of const in case a pointer passed is const.
3268 * dwarf_formflag.c: New file.
3269 * dwarf_getattrs.c: New file.
3270 * dwarf_error.c: Add new error value.
3271 * libdw.h: Add prototypes for new functions. Adjust prototype for
3273 * libdw.map: Add new functions.
3274 * dwarf_getpubnames.c: Change type of return value and fourth parameter
3276 * libdwP.h: Add new error value.
3277 * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and
3280 * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL.
3282 2004-01-12 Ulrich Drepper <drepper@redhat.com>
3284 * dwarf_getarange_addr.c: New file
3285 * dwarf_getarangeinfo.c: New file.
3286 * dwarf_getaranges.c: New file.
3287 * dwarf_onerange.c: New file.
3288 * libdw.h: Declare new functions. Define Dwarf_Arange and
3290 * libdw.map: Add new functions.
3291 * libdwP.h: Add new errors. Add aranges member to struct Dwarf.
3292 Define Dwarf_Aranges_s and Dwarf_Arange_s.
3293 * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c,
3294 dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c.
3295 * dwarf_error.c: Add new message.
3297 2004-01-11 Ulrich Drepper <drepper@redhat.com>
3299 * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c,
3300 dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c,
3301 dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c.
3302 * dwarf_error.c: Add another message.
3303 * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines
3305 * dwarf_filesrc.c: Likewise.
3306 * dwarf_getsrcfiles.c: Likewise.
3307 * dwarf_getsrclines.c: Likewise.
3308 * dwarf_lineaddr.c: New file.
3309 * dwarf_linebeginstatement.c: New file.
3310 * dwarf_lineblock.c: New file.
3311 * dwarf_linecol.c: New file.
3312 * dwarf_lineendsequence.c: New file.
3313 * dwarf_lineepiloguebegin.c: New file.
3314 * dwarf_lineno.c: New file.
3315 * dwarf_lineprologueend.c: New file.
3316 * dwarf_onesrcline.c: New file.
3317 * dwarf_lineno.c: Change interface to store result in object pointed
3318 to by second parameter.
3319 * libdw.h: Add prototypes for new functions. Change dwarf_lineno
3320 prototype. Define Dwarf_Files and Dwarf_Lines.
3321 * libdw.map: Add new functions.
3322 * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s.
3323 * libdw_findcu.c: Don't initialize nlines field.
3325 * dwarf_siblingof: Little optimization.
3327 * dwarf_begin.c: Remember that the ELF descriptor must be closed.
3328 * dwarf_end.c: Close ELF descriptor if free_elf is set.
3329 * libdwP.h (struct Dwarf): Add free_elf field.
3331 * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and
3333 * dwarf_getstring.c: New file.
3334 * dwarf_offabbrev.c: New file.
3335 * libdw.map: Add dwarf_getstring and dwarf_offabbrev.
3336 * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result
3337 parameters. Don't allocate memory if not necessary and don't lookup
3338 previous results if no CU given.
3339 (dwarf_getabbrev): Adjust call to __libdw_getabbrev.
3340 * dwarf_tag.c: Adjust call to __libdw_getabbrev.
3341 * libdw.h: Declare dwarf_offabbrev and dwarf_getstring.
3342 * libdwP.h: Change prototype for __libdw_getabbrev.
3344 * dwarf_getabbrevattr.c: Add offsetp parameter. Fill in before
3345 returning if this is wanted.
3347 2004-01-09 Ulrich Drepper <drepper@redhat.com>
3349 * dwarf_nextcu.c: Add new parameter offset_sizep. Initialize it
3350 with offset_size value.
3351 * libdw.h: Adjust dwarf_nextcu prototype.
3352 * libdwP.h (struct Dwarf_CU): Add offset_size member.
3353 * libdw_findcu.c: Adjust dwarf_nextcu call. Initialize offset_size
3354 member of new CU struct.
3355 * dwarf_formstring.c: Depend on offset_size not address_size for
3356 DW_FORM_strp handling.
3357 * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr.
3359 * dwarf_tag.c (__libdw_findabbrev): Return correct value for
3361 (dwarf_tag): Correctly recognize failed lookup.
3363 * dwarf_end.c (cu_free): Call tdestroy for locs member. Use new
3365 * dwarf_error.c: Add message for DWARF_E_NO_BLOCK.
3366 * dwarf_formblock.c: New file.
3367 * dwarf_getloclist.c: Rewrite to handle a single block.
3368 * libdw.h: Define Dwarf_Block. Rename Dwarf_Loc members. Remove
3369 Dwarf_Locdesc definition. Declare dwarf_formblock. Remove
3370 dwarf_getloclistent declaration.
3371 * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent.
3372 * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK.
3373 Add locs member to struct Dwarf_CU.
3374 * libdw_fundcu.c: Initialize locs member of new CU.
3375 * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c.
3376 Remove dwarf_getloclistent.c.
3378 2004-01-07 Ulrich Drepper <drepper@redhat.com>
3380 * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3.
3381 * libdwP.h: Likewise.
3383 * dwarf_getloclist.c: New file.
3384 * dwarf_getloclistent.c: New file.
3385 * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc.
3386 Declare dwarf_getloclistent and dwarf_getloclist.
3387 * libdw.map: Add dwarf_getloclistent and dwarf_getloclist.
3388 * libdwP.h: Define DWARF_E_NO_LOCLIST.
3389 * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and
3392 * dwarf_error.c: More error messages.
3394 2004-01-06 Ulrich Drepper <drepper@redhat.com>
3396 * dwarf_getsrclines.c: Remove debugging support.
3398 * dwarf_getsrcfiles.c: New file.
3399 * dwarf_filesrc.c: New file.
3400 * libdw.h: Declare these functions. Define Dwarf_File.
3401 * libdwP.c: Adjust Dwarf_File_s definition.
3402 * libdw.map: Add these functions.
3403 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and
3405 * dwarf_getsrclines.c: Initialize cu->files.
3407 2004-01-05 Ulrich Drepper <drepper@redhat.com>
3409 * libdw.h: Add more nonnull function attributes.
3411 * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next.
3412 * dwarf_end.c (cu_free): New function.
3413 (dwarf_end): Also free CU tree. Correct freeing of memory blocks.
3414 * dwarf_error.c (errmsgs): Add new messages.
3415 * dwarf_getsrc_die.c: New file.
3416 * dwarf_getsrclines.c: New file.
3417 * dwarf_lineno.c: New file.
3418 * dwarf_linesrc.c: New file.
3419 * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc
3420 instead of the *_inc-less variants.
3421 * libdw.h: Define Dwarf_Line. Add some function attributes. Declare
3422 dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc.
3423 * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno,
3425 * libdwP.h: Add more error codes.
3426 (struct Dwarf): Remove mem_tail.next member.
3427 (Dwarf_File): Define type.
3428 (struct Dwarf_Line_s): Define type.
3429 (struct Dwarf_CU): Add lines and nlines members.
3430 (libdw_alloc): Define local variable _tail and use it.
3431 Add some function attributes.
3432 * libdw_alloc.c (__libdw_allocate): Don't initialize next member.
3433 * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members.
3434 * memory-access.h: Add unlikely for the endian conversion paths.
3435 * Makefile.am (AM_CFLAGS): Add -std parameter.
3436 (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die,
3437 dwarf_lineno, and dwarf_linesrc.
3439 2003-08-11 Ulrich Drepper <drepper@redhat.com>
3441 * Moved to CVS archive.