1 2018-10-23 Mark Wielaard <mark@klomp.org>
3 * dwarf_child.c (__libdw_find_attr): Initialize readp to NULL.
4 * dwarf_getattrs.c (dwarf_getattrs): Initialize die_addr to NULL.
6 2018-10-20 Mark Wielaard <mark@klomp.org>
8 * libdw.map (ELFUTILS_0.175): New section. Add dwelf_elf_begin.
10 2018-10-29 Milian Wolff <milian.wolff@kdab.com>
12 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type != SHT_NOBITS.
14 2018-09-13 Mark Wielaard <mark@klomp.org>
16 * dwarf_begin_elf.c (check_section): Drop ehdr argument, add and
17 use shstrndx argument.
18 (global_read): Likewise.
19 (scngrp_read): Likewise.
20 (dwarf_begin_elf): Call elf_getshdrstrndx. Pass shstrndx to
21 global_read or scngrp_read.
23 2018-08-18 Mark Wielaard <mark@klomp.org>
25 * dwarf_getabbrev.c (__libdw_getabbrev): Continue until both name
27 * dwarf_hasattr.c (dwarf_hasattr): Stop when both name and form
30 2018-08-18 Mark Wielaard <mark@klomp.org>
32 * dwarf_getaranges.c (dwarf_getaranges.c): Make sure there is enough
33 data to read the address and segment size.
35 2018-07-04 Ross Burton <ross.burton@intel.com>
37 * libdw_alloc.c: Remove error.h include.
39 2018-06-28 Mark Wielaard <mark@klomp.org>
41 * dwarf_next_cfi.c (dwarf_next_cfi): Check whether length is zero.
43 2018-06-27 Mark Wielaard <mark@klomp.org>
45 * dwarf_begin_elf.c (check_section): Allow a single .debug_frame
48 2018-06-26 Mark Wielaard <mark@klomp.org>
50 * libdw.h (dwarf_getscn_info): Remove.
51 * libdw.map (ELFUTILS_0.122): Remove dwarf_getscn_info.
53 2018-06-25 Mark Wielaard <mark@klomp.org>
55 * Makefile.am (libdw_a_SOURCES): Add dwarf_next_lines.c.
56 * libdw.h (dwarf_next_lines): New function declaration.
57 * libdw.map (ELFUTILS_0.173): New section.
58 * dwarf_next_lines.c: New files.
59 * dwarf_begin_elf.c (check_section): Don't error out when elf
61 (valid_p): Allow just a single .debug_line section.
62 * dwarf_getsrclines.c (read_srclines): Keep files relative if comp_dir
65 2018-06-22 Mark Wielaard <mark@klomp.org>
67 * dwarf_nextcu.c (__libdw_next_unit): Set next_off to -1 when it would
70 2018-06-18 Mark Wielaard <mark@klomp.org>
72 * dwarf_aggregate_size.c (array_size): New depth argument. Use
73 aggregate_size instead of dwarf_aggregate_size and pass depth.
74 (aggregate_size): New depth argument. Check depth isn't bigger
75 than MAX_DEPTH (256). Pass depth to recursive calls.
76 (dwarf_aggregate_size): ass zero as depth to aggregate_size.
78 2018-06-18 Mark Wielaard <mark@klomp.org>
80 * dwarf_peel_type.c (dwarf_peel_type): Limit modifier chain to 64.
82 2018-06-18 Mark Wielaard <mark@klomp.org>
84 * dwarf_aggregate_size.c (aggregate_size): Check die is not NULL.
86 2018-06-17 Luiz Angelo Daros de Luca <luizluca@gmail.com>
88 * dwarf_getsrclines.c (read_srclines): Intialize filelist early.
90 2018-06-15 Mark Wielaard <mark@klomp.org>
92 * dwarf_getlocation.c (check_constant_offset): Clarify DW_FORM_data16
93 isn't really a constant.
94 (dwarf_getlocation): Don't handle DW_FORM_data16 as block.
95 (dwarf_getlocation_addr): Likewise.
96 (dwarf_getlocations): Likewise.
98 2018-06-12 Mark Wielaard <mark@klomp.org>
100 * memory-access.h (read_3ubyte_unaligned_inc): New define.
102 2018-06-12 Mark Wielaard <mark@klomp.org>
104 * libdw.h (__libdw_dieabbrev): Set die->abbrev to DWARF_END_ABBREV
107 2018-06-10 Mark Wielaard <mark@klomp.org>
109 * dwarf_attr_integrate.c (dwarf_attr_integrate): Stop after 16 DIE
111 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise.
113 2018-06-08 Mark Wielaard <mark@klomp.org>
115 * dwarf_getabbrev.c (dwarf_getabbrev): Check die and offset.
117 2018-06-08 Mark Wielaard <mark@klomp.org>
119 * dwarf_get_units.c (dwarf_get_units): Handle existing error, no
122 2018-06-08 Mark Wielaard <mark@klomp.org>
124 * dwarf_getlocation.c (store_implicit_value): Return error when
125 seeing bad DWARF or when tsearch runs out of memory.
126 (__libdw_intern_expression): Report error when store_implicit_value
129 2018-06-08 Mark Wielaard <mark@klomp.org>
131 * dwarf_getsrclines.c (read_srclines): Sanity check ndirs and nfiles.
133 2018-06-08 Mark Wielaard <mark@klomp.org>
135 * dwarf_getlocation_attr.c (addr_valp): Set error and return NULL
136 when there is no .debug_addr section.
137 (dwarf_getlocation_attr): If addr_valp returns NULL, then return -1.
139 2018-06-07 Mark Wielaard <mark@klomp.org>
141 * libdw_findcu.c (__libdw_intern_next_unit): Report DWARF_E_VERSION,
142 not DWARF_E_INVALID_DWARF on unknown version. Set address_size and
143 offset_size to 8 when unknown.
145 2018-06-06 Mark Wielaard <mark@klomp.org>
147 * libdwP.h (__libdw_dieabbrev): Check DIE addr falls in cu.
149 2018-06-06 Mark Wielaard <mark@klomp.org>
151 * dwarf_getlocation_die.c (dwarf_getlocation_die): Check offset
152 falls inside cu data.
154 2018-06-05 Mark Wielaard <mark@klomp.org>
156 * dwarf_getsrclines.c (read_srclines): Explicitly set diridx to -1
157 in case dwarf_formudata fails.
159 2018-06-05 Mark Wielaard <mark@klomp.org>
161 * dwarf_getaranges (dwarf_getaranges): Free new_arange if
162 __libdw_findcu fails.
164 2018-06-05 Mark Wielaard <mark@klomp.org>
166 * dwarf_getsrclines.c (read_srclines): Define dirarray early and
167 check whether or not it is equal to dirstack on exit/out before
170 2018-06-05 Mark Wielaard <mark@klomp.org>
172 * dwarf_getalt.c (find_debug_altlink): id_path array should be 2
173 larger to contain MAX_BUILD_ID_BYTES.
175 2018-05-31 Mark Wielaard <mark@klomp.org>
177 * libdw_find_split_unit.c (try_split_file): New function extracted
179 (__libdw_find_split_unit): ... here. Try both the relative and
180 absolute paths to find a .dwo file.
182 2018-05-30 Mark Wielaard <mark@klomp.org>
184 * libdw/dwarf_getsrclines.c (read_srclines): Change ndir and
185 ndirlist to size_t. Add check to see ndirlist doesn't overflow.
187 2018-05-31 Mark Wielaard <mark@klomp.org>
189 * dwarf_dieoffset.c: Check die->cu != NULL. Return -1, not ~0ul
192 2018-05-29 Mark Wielaard <mark@klomp.org>
194 * dwarf_cuoffset.c (dwarf_cuoffset): Check die->cu is not NULL.
195 * dwarf_die_addr_die.c (dwarf_die_addr_die): Also search split
197 * libdwP.h (struct Dwarf): Add split_tree field.
198 (__libdw_find_split_dbg_addr): New internal function definition.
199 (__libdw_finddbg_cb): Likewise.
200 * libdw_find_split_unit.c (__libdw_find_split_unit): Insert split
201 Dwarf into skeleton dbg split_tree.
202 * libdw_findcu.c (__libdw_finddbg_cb): New function.
203 (__libdw_find_split_dbg_addr): Likewise.
204 * dwarf_end (dwarf_end): Destroy split_tree.
206 2018-05-29 Mark Wielaard <mark@klomp.org>
208 * dwarf.h: Add GNU DebugFission list entry encodings
209 DW_LLE_GNU_end_of_list_entry,
210 DW_LLE_GNU_base_address_selection_entry,
211 DW_LLE_GNU_start_end_entry and DW_LLE_GNU_start_length_entry.
212 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle
213 GNU DebugFission list entries.
215 2018-05-28 Mark Wielaard <mark@klomp.org>
217 * libdw_find_split_unit.c (__libdw_find_split_unit): End split_dwarf
218 only after we tried every unit id in it.
220 2018-04-07 Mark Wielaard <mark@klomp.org>
222 * libdwP.h (struct Dwarf_CU): Add locs_base.
223 (__libdw_cu_locs_base): New static inline function.
224 * libdw_findcu.c (__libdw_intern_next_unit): Initialize locs_base.
225 * dwarf_begin_elf.c (valid_p): Create fake_loclists_cu if necessary.
226 * dwarf_end.c (dwarf_end): Clean up fake_loclists_cu.
227 * dwarf_getlocation.c (initial_offset): Handle .debug_loclists.
228 (getlocations_addr): Likewise.
229 (dwarf_getlocation_addr): Likewise.
230 * dwarf_getlocation_attr.c (attr_form_cu): Use fake_loclists_cu for
232 (initial_offset): Handle DW_FORM_loclistx.
233 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle
235 * libdwP.h (struct Dwarf): Add fake_loclists_cu.
237 2018-04-12 Mark Wielaard <mark@klomp.org>
239 * dwarf.h: Add DWARF5 location list entry DW_LLE encodings.
240 * begin_elf.c (dwarf_scnnames): Add IDX_debug_loclists.
241 * dwarf_error.c (errmsgs): Remove DWARF_E_NO_LOCLIST. And replace
242 with DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and
243 DWARF_E_NO_LOC_VALUE.
244 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_loclists_base
245 and DW_FORM_loclistx.
246 * dwarf_getlocation.c (attr_ok): Use DWARF_E_NO_LOC_VALUE.
247 (initial_offset): Use DWARF_E_NO_DEBUG_LOC.
248 * libdwP.h: Add IDX_debug_rnglists. Remove DWARF_E_NO_LOCLIST.
249 Add DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and
250 DWARF_E_NO_LOC_VALUE.
252 2018-05-25 Mark Wielaard <mark@klomp.org>
254 * libdw_find_split_unit.c (__libdw_find_split_unit): Extract linking
255 skeleton and split compile units code into...
256 * libdwP (__libdw_link_skel_split): ...this new function.
258 2018-04-06 Mark Wielaard <mark@klomp.org>
260 * dwarf_formaddr.c (__libdw_addrx): New function, extracted from...
261 (dwarf_formaddr): here. Use __libdw_addrx.
262 * dwarf_getlocation.c (getlocations_addr): Pass cu to
263 __libdw_read_begin_end_pair_inc.
264 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Take cu as
265 argument. Handle .debug_rnglists.
266 (initial_offset): Handle .debug_rnglists and DW_FORM_rnglistx.
267 (dwarf_ranges): Likewise. Check cu isn't NULL before use. Pass cu to
268 __libdw_read_begin_end_pair_inc.
269 * libdwP.h (__libdw_read_begin_end_pair_inc): Take cu as argument.
270 (__libdw_cu_ranges_base): Handle DW_AT_rnglists_base.
271 (__libdw_addrx): New function definition.
273 2018-04-11 Mark Wielaard <mark@klomp.org>
275 * dwarf.h: Add DWARF5 range list entry DW_RLE encodings.
276 * begin_elf.c (dwarf_scnnames): Add IDX_debug_rnglists.
277 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_RNGLISTS.
278 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_rnglists_base
279 and DW_FORM_rnglistx.
280 * dwarf_getscopes.c (pc_match): Also check for
281 DWARF_E_NO_DEBUG_RNGLISTS.
282 * libdwP.h: Add IDX_debug_rnglists.
284 2018-05-25 Mark Wielaard <mark@klomp.org>
286 * dwarf_getlocation_attr.c (__libdw_cu_addr_base): Cast offset to
287 uintptr_t before returning as pointer.
289 2018-05-22 Mark Wielaard <mark@klomp.org>
291 * dwarf_getlocation.c (__libdw_cu_base_address): Treat errors of
292 getting lowpc or entrypc the same as missing base address (zero).
293 * dwarf_highpc (dwarf_highpc): Handle any address form. Always set
294 error when attribute could not be found.
296 2018-05-21 Mark Wielaard <mark@klomp.org>
298 * dwarf_begin_elf.c (valid_p): Add a fake_addr_cu to the result.
299 * dwarf_end.c (cu_free): Disconnect the fake_addr_cu from the split
300 dwarf if shared with skeleton.
301 (dwarf_end): release fake_addr_cu.
302 * dwarf_formaddr.c (__libdw_cu_addr_base): Move to...
303 * libdwP.h (__libdw_cu_addr_base): ... here.
304 (struct Dwarf): Add fake_addr_cu field.
305 * dwarf_formudata.c (dwarf_formudata): Handle
306 DW_FORM_GNU_addr_index and DW_FORM_addrx[1234].
307 * dwarf_getlocation_attr.c (addr_valp): New static function.
308 (dwarf_getlocation_attr): Create attribute for values of
309 DW_OP_GNU_const_index, DW_OP_constx and DW_OP_GNU_addr_index and
311 * libdw_find_split_unit.c (__libdw_find_split_unit): Connect
312 IDX_debug_addr sectiondata and fake_addr_cu between split and
315 2018-05-20 Mark Wielaard <mark@klomp.org>
317 * dwarf_cu_info.c: New file.
318 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_info.c.
319 * libdw.h (dwarf_cu_info): New function declaration.
320 * libdw.map (ELFUTILS_0.171): Add dwarf_cu_info.
322 2018-05-24 Mark Wielaard <mark@klomp.org>
324 * dwarf_ranges.c (dwarf_ranges): Check for NULL cu.
325 * libdw_findcu.c (__libdw_intern_next_unit): Initialize ranges_base.
327 2018-05-18 Mark Wielaard <mark@klomp.org>
329 * dwarf_formudata.c (__libdw_formptr): Handle the special case
330 of IDX_debug_ranges for DW_UT_split_compile with version < 5.
331 * dwarf_highpc.c (dwarf_highpc): Use dwarf_lowpc, check for
333 * dwarf_lowpc.c (dwarf_lowpc): Check for split compile cudie.
334 * dwarf_ranges.c (dwarf_ranges): Switch cu and sectiondata for
336 * libdwP.h (struct Dwarf_CU): Add ranges_base field.
337 (__libdw_cu_ranges_base): New static inline function.
339 2018-05-18 Mark Wielaard <mark@klomp.org>
341 * libdw_findcu.c (__libdw_intern_next_unit): Init files to NULL.
342 * dwarf_getsrclines.c (dwarf_getsrclines): Handle split units by
343 taking the line table from the skeleton.
344 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Handle split units by
345 only taking the files from .debug_line offset zero (if it exists),
346 otherwise fall back to the skeleton.
348 2018-05-17 Mark Wielaard <mark@klomp.org>
350 * dwarf_begin_elf.c (__libdw_debugdir): New function.
351 (valid_p): Call __libdw_debugdir.
352 * dwarf_end.c (dwarf_end.c): Free debugdir.
353 * dwarf_getalt.c (__libdw_filepath): Extract __libdw_debugdir logic.
354 take debugdir as argument instead of fd.
355 (find_debug_altlink): Call __libdw_filepath with debugdir.
356 * libdwP.h (struct Dwarf): Add debugdir field.
357 (__libdw_debugdir): New function prototype.
358 (__libdw_filepath): Adjust prototype to take a const char * instead of
360 * libdw_find_split_unit.c (__libdw_find_split_unit): Call
361 __libdw_filepath with debugdir.
363 2018-05-17 Mark Wielaard <mark@klomp.org>
365 * dwarf_attr_integrate.c (dwarf_attr_integrate): Handle split_compile
366 unit DIE, search skeleton_compile unit DIE.
367 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise.
368 * libdwP.h (is_cudie): Check cu is not NULL.
370 2018-05-19 Mark Wielaard <mark@klomp.org>
372 * libdwP.h (__libdw_find_split_unit): Mark as internal_function.
374 2018-05-15 Mark Wielaard <mark@klomp.org>
376 * Makefile.am (libdw_a_SOURCES): Add libdw_find_split_unit.c.
377 * dwarf_end.c (cu_free): Free split Dwarf.
378 * dwarf_get_units.c (dwarf_get_units): Handle DW_UT_skeleton by
379 calling __libdw_find_split_unit.
380 * libdwP.h (struct Dwarf_CU): Add split Dwarf_CU field.
381 (__libdw_find_split_unit): New function prototype.
382 (str_offsets_base_off): Use cu Dwarf if dbg is NULL.
383 (filepath): Rename to ...
384 (__libdw_filepath): This. Which is the actual function name in
386 (libdw_find_split_unit.c): New file.
387 * libdw_findcu.c (__libdw_intern_next_unit): Initialize split to -1.
389 2018-05-15 Mark Wielaard <mark@klomp.org>
391 * libdwP.h (__libdw_first_die_from_cu_start): Adjust commented out
393 * libdw_findcu.c (__libdw_intern_next_unit): For version 4 DWARF if
394 the cudie has a DW_AT_GNU_dwi_id set the unit_id8 and unit_type to
395 DW_UT_skeleton or DW_UT_split_compile based on whether the cudie has
396 child DIEs and a DW_AT_GNU_dwo_name attribute.
398 2018-05-14 Mark Wielaard <mark@klomp.org>
400 * dwarf.h: Add GNU Debug Fission extensions. DW_AT_GNU_dwo_name,
401 DW_AT_GNU_dwo_id, DW_AT_GNU_ranges_base, DW_AT_GNU_addr_base,
402 DW_AT_GNU_pubnames, DW_AT_GNU_pubtypes. DW_FORM_GNU_addr_index,
403 DW_FORM_GNU_str_index. DW_OP_GNU_addr_index, DW_OP_GNU_const_index.
404 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_GNU_addr_index
406 (__libdw_cu_addr_base): Check for both DW_AT_GNU_addr_base and
408 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_str_index
410 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_addr_base
411 as addrptr. Recognize DW_AT_GNU_ranges_base as rangelistptr.
412 * dwarf_getlocation.c (__libdw_intern_expression): Handle
413 DW_OP_GNU_addr_index as DW_OP_addrx and DW_OP_GNU_const_index as
415 * libdw_form.c (__libdw_form_val_compute_len): Handle
416 DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index taking an uleb128.
418 2018-05-12 Mark Wielaard <mark@klomp.org>
420 * dwarf_begin_elf.c (check_section): Also recognize .dwo section
423 2018-05-11 Mark Wielaard <mark@klomp.org>
425 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_macros as macptr.
426 * dwarf_getmacros.c (get_table_for_offset): Add DW_MACRO_define_sup,
427 DW_MACRO_undef_sup, DW_MACRO_import_sup, DW_MACRO_define_strx and
428 DW_MACRO_undef_strx. Add str_offsets_base_off to fake CU. Deal with
429 DW_AT_macros. Use libdw_valid_user_form.
431 2018-05-09 Mark Wielaard <mark@klomp.org>
433 * dwarf_formstring.c (__libdw_cu_str_off_base): Moved to...
434 * libdwP.h (__libdw_cu_str_off_base): ...here. Make static inline.
435 (str_offsets_base_off): New internal function that also parses
436 .debug_str_offsets header if necessary.
438 2018-05-11 Mark Wielaard <mark@klomp.org>
440 * dwarf_siblingof.c (dwarf_siblingof): Don't reference cu till it is
441 known the Dwarf_Die is came from is valid.
442 * libdwP.h (__libdw_dieabbrev): Check cu is not NULL.
444 2018-05-08 Mark Wielaard <mark@klomp.org>
446 * dwarf_formref.c (__libdw_formref): Explicitly don't handle
447 DW_FORM_ref_sup4 and DW_FORM_ref_sup8.
448 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_ref_sup4
449 and DW_FORM_ref_sup8.
450 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strp_sup
451 as DW_FORM_GNU_strp_alt.
453 2018-05-05 Mark Wielaard <mark@klomp.org>
455 * dwarf.h: Add DWARF line content descriptions.
456 * libdwP.h (libdw_valid_user_form): New static function.
457 * dwarf_getsrclines.c (read_srclines): Check and parse version 5
458 DWARF header, dir and file tables separately from older versions
461 2018-04-24 Mark Wielaard <mark@klomp.org>
463 * dwarf_begin_elf.c (dwarf_scnnames): Add ".debug_line_str".
464 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_STR and
465 DWARF_E_NO_DEBUG_LINE_STR.
466 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_line_strp.
467 Get data from either .debug_str or .debug_line_str.
468 * libdwP.h: Add IDX_debug_line_str, DWARF_E_NO_DEBUG_STR and
469 DWARF_E_NO_DEBUG_LINE_STR.
471 2018-04-03 Mark Wielaard <mark@klomp.org>
473 * dwarf_formudata.c (__libdw_formptr): Take and return const
474 unsigned char pointers.
475 * dwarf_getlocation.c (attr_base_address): Rename to...
476 (__libdw_cu_base_address): this. Take Dwarf_CU, check and set
478 (initial_offset_base): Renamed to...
479 (initial_offset): this. Only provide offset.
480 (getlocations_addr): Move data size check and
481 address base addition into __libdw_read_begin_end_pair_inc. Use
482 __libdw_cu_base_address and initial_offset. Drop Elf_Data NULL
483 check (already done by initial_offset, through __libdw_formptr).
484 (dwarf_getlocations): Use __libdw_cu_base_address and initial_offset.
485 Drop Elf_Data NULL check.
486 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Change argument
487 type of readp to Add readend argument. Check data size. Include base
488 in begin and end result.
489 (initial_offset): New static function.
490 (dwarf_ranges): Don't check Elf_Data being NULL (already done by
491 initial_offset, through __libdw_formptr). Use __libdw_cu_base_address
492 and initial_offset. Remove base check and addition (already done by
493 __libdw_read_begin_end_pair_inc.
494 * libdwP.h (Dwarf_CU): Add base_address field.
495 (__libdw_read_begin_end_pair_inc): Change argument type of readp to
496 const. Add readend argument.
497 (__libdw_formptr): Take and return const unsigned char pointers.
498 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU
501 2018-04-04 Mark Wielaard <mark@klomp.org>
503 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU
504 addr_base and str_off_base.
506 2018-03-23 Mark Wielaard <mark@klomp.org>
508 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_str_offsets,
510 * dwarf_error.c (errmsgs): Add DWARF_E_NO_STR_OFFSETS.
511 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strx[1234].
512 (__libdw_cu_str_off_base): New function.
513 * dwarf_formudata.c (dwarf_formudata): Handle IDX_debug_str_offsets
515 * libdwP.h: Add IDX_debug_str_offsets and DWARF_E_NO_STR_OFFSETS.
516 (struct Dwarf_CU): Add str_off_base field.
517 (__libdw_cu_str_off_base): New function declaration.
519 2018-03-22 Mark Wielaard <mark@klomp.org>
521 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_addr.
522 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_ADDR.
523 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_addrx[1234].
524 (__libdw_cu_addr_base): New function.
525 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_addr_base as
527 * libdwP.h: Add IDX_debug_addr and DWARF_E_NO_DEBUG_ADDR.
528 (struct Dwarf_CU): Add addr_base field.
529 (__libdw_cu_addr_base): New function definition.
530 * memory-access.h (file_byte_order): New static function.
531 (read_3ubyte_unaligned): New inline function.
533 2018-03-29 Mark Wielaard <mark@klomp.org>
535 * libdw.h (dwarf_decl_file): Extend documentation.
536 (dwarf_linesrc): Likewise.
537 (dwarf_filesrc): Likewise.
539 2018-03-06 Mark Wielaard <mark@klomp.org>
541 * dwarf.h: Add DW_OP_implicit_pointer, DW_OP_addrx, DW_OP_constx,
542 DW_OP_entry_value, DW_OP_const_type, DW_OP_regval_type,
543 DW_OP_deref_type, DW_OP_xderef_type, DW_OP_convert and
545 * dwarf_getlocation.c (__libdw_intern_expression): Handle
546 DW_OP_convert, DW_OP_reinterpret, DW_OP_addrx, DW_OP_constx,
547 DW_OP_regval_type, DW_OP_entry_value, DW_OP_implicit_pointer,
548 DW_OP_deref_type, DW_OP_xderef_type and DW_OP_const_type.
549 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Handle
550 DW_OP_entry_value, DW_OP_const_type and DW_OP_implicit_pointer.
551 * dwarf_getlocation_die.c (dwarf_getlocation_die): Handle
552 DW_OP_implicit_pointer, DW_OP_convert, DW_OP_reinterpret,
553 DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type and
555 * dwarf_getlocation_implicit_pointer.c
556 (dwarf_getlocation_implicit_pointer): Handle DW_OP_implicit_pointer.
558 2018-03-01 Mark Wielaard <mark@klomp.org>
560 * dwarf.h: Add DW_AT_GNU_locviews and DW_AT_GNU_entry_view.
561 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_GNU_locviews
564 2018-02-09 Mark Wielaard <mark@klomp.org>
566 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_data16 as a
569 2018-02-09 Mark Wielaard <mark@klomp.org>
571 * dwarf_child.c (__libdw_find_attr): Handle DW_FORM_implicit_const.
572 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
573 * dwarf_formudata.c (dwarf_formudata): Likewise.
574 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
575 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
576 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
577 * dwarf_getabbrevattr.c (dwarf_getabbrevattr_data): New function
578 that will also return any data associated with the abbrev. Which
579 currently is only for DW_FORM_implicit_const. Based on...
580 (dwarf_getabbrevattr): ... this function. Which now just calls
581 dwarf_getabbrevattr_data.
582 * libdw.h (dwarf_getabbrevattr_data): Declare new function.
583 * libdw.map (ELFUTILS_0.170): Add dwarf_getabbrevattr_data.
584 * libdwP.h (dwarf_getabbrevattr_data): INTDECL.
585 * memory-access.h (__libdw_get_sleb128_unchecked): New inlined
586 function based on __libdw_get_uleb128_unchecked.
588 2018-02-08 Mark Wielaard <mark@klomp.org>
590 * dwarf.h: Add DWARF5 DW_FORMs.
591 * libdwP.h (__libdw_form_val_compute_len): Handle fix length
592 DW_FORM_implicit_const, DW_FORM_addrx[1234], DW_FORM_strx[1234],
593 DW_FORM_ref_sup[48] and DW_FORM_data16.
594 * libdw_form.c (__libdw_form_val_compute_len): DW_FORM_strp_sup
595 and DW_FORM_line_strp are offset_size. DW_FORM_addrx, DW_FORM_strx,
596 DW_FORM_loclistx and DW_FORM_rnglistx are uleb128.
598 2018-01-30 Mark Wielaard <mark@klomp.org>
600 * Makefile.am (libdw_a_SOURCES): Add dwarf_get_units.c.
601 * dwarf_get_units.c: New file.
602 * libdw.h (dwarf_get_units): New function declaration.
603 * libdw.map (ELFUTILS_0.170): Add dwarf_get_units.
605 2018-01-29 Mark Wielaard <mark@klomp.org>
607 * dwarf.h (DW_UT_*): Add DWARF Unit Header Types.
608 * dwarf_cu_die.c (dwarf_cu_die): Rename arguments. type_signaturep
609 is now called unit_idp. type_offsetp is now called subdie_offsetp.
610 * dwarf_formref_die.c (dwarf_formref_die): Scan both .debug_info
611 and .debug_types sections for type units when type signature ref
613 * dwarf_getaranges.c (dwarf_getaranges): Use __libdw_findcu and
614 __libdw_first_die_off_from_cu instead of trying by hand.
615 * dwarf_getlocation_die.c (dwarf_getlocation_die): Use ISV4TU
616 instead of checking type_offset by hand.
617 * dwarf_getlocation_implicit_pointer.c
618 (dwarf_getlocation_implicit_pointer): Likewise.
619 * dwarf_nextcu.c (dwarf_next_unit): Call __libdw_next_unit.
620 (__libdw_next_unit): New function based on dwarf_next_unit with
621 DWARF5 header support.
622 * libdwP.h (struct Dwarf_CU): Renamed type_offset to subdie_offset
623 and type_sig8 to unit_id8.
624 (ISV4TU): New macro to determine whether a CU is a version 4 type
625 unit (which comes from the .debug_types section).
626 (DIE_OFFSET_FROM_CU_OFFSET): Replaced macro by real function...
627 (__libdw_first_die_from_cu_start): ... that also handles DWARF5
629 (__libdw_first_die_off_from_cu): New function that calls the above
631 (CUDIE): Use __libdw_first_die_off_from_cu.
632 (SUBDIE): New macro that provides the DIE for a CU using the
634 (__libdw_next_unit): New internal function declaration.
635 * libdw_findcu.c (__libdw_intern_next_unit): Use __libdw_next_unit.
636 Accept DWARF version 5 headers. Setup unit_type.
637 (__libdw_findcu): Rename debug_types argument to v4_debug_types
638 argument (to indicate that we are looking in the .debug_types
639 section). Support finding the exact offset (unit header start).
641 2018-01-25 Mark Wielaard <mark@klomp.org>
643 * Makefile.am (libdw_a_SOURCES): Add dwarf_die_addr_die.c.
644 * dwarf_die_addr_die.c: New file.
645 * libdw.h (dwarf_die_addr_die): New function declaration.
646 * libdw.map (ELFUTILS_0.171): New section with dwarf_die_addr_die.
647 * libdwP.h (__libdw_findcu_addr): New internal function declaration.
648 * libdw_findcu.c (__libdw_findcu_addr): New internal function.
650 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
652 * cfi.c (execute_cfi): Use FALLTHROUGH macro instead of comment.
653 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
655 2018-01-22 Mark Wielaard <mark@klomp.org>
657 * Makefile.am (AM_CPPFLAGS): Add -I libdwelf.
658 * dwarf_begin_elf.c (dwarf_begin_elf): Initialize Dwarf alt_fd to -1.
659 * dwarf_end.c (dwarf_end): Call dwarf_end and close on the alt_dwarf
660 and alt_fd if we allocated them.
661 * dwarf_fromref_die.c (dwarf_formref_die): Call dwarf_getalt.
662 * dwarf_formstring.c (dwarf_formstring): Likewise.
663 * dwarf_getalt.c (__libdw_filepath): New internal function.
664 (find_debug_altlink): New static function.
665 (dwarf_getalt): Check Dwarf alt_dwarf and call find_debug_altlink.
667 * dwarf_setalt.c (dwarf_setalt): Clean up Dwarf alt_dwarf and alt_fd
669 * libdw.h (dwarf_getalt): Extend documentation.
670 (dwarf_setalt): Likewise.
671 * libdwP.h (struct Dwarf): Add alt_fd field.
672 (filepath): Declare new internal function.
674 2018-01-14 Petr Machata <pmachata@gmail.com>
676 * dwarf_formsdata.c (dwarf_formsdata):
677 <DW_FORM_data1>: Cast to signed char.
678 <DW_FORM_data2,4,8>: Use read_*sbyte_unaligned instead of
679 read_*ubyte_unaligned.
681 2017-12-26 Mark Wielaard <mark@klomp.org>
683 * libdwP.h (struct Dwarf_Abbrev): Pack struct. Remove attrcnt,
684 use bitfields for has_children and code.
685 * dwarf_getabbrev.c (__libdw_getabbrev): Don't count attrs.
686 * dwarf_getattrcnt.c (dwarf_getattrcnt): Count attrs.
688 2017-12-26 Mark Wielaard <mark@klomp.org>
690 * memory-access.h (__libdw_get_uleb128_unchecked): New function.
691 (get_uleb128_unchecked): New define.
692 * dwarf_child.c (__libdw_find_attr): Use get_uleb128_unchecked to
693 read attr name and form.
694 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
695 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
696 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
698 2017-12-28 Mark Wielaard <mark@klomp.org>
700 * dwarf_offdie.c (__libdw_offdie): Check sectiondata exists.
702 2017-05-09 Ulf Hermann <ulf.hermann@qt.io>
703 Mark Wielaard <mark@klomp.org>
705 * libdwP.h (__libdw_in_section): Fix check for the upper border of
707 (__libdw_offset_in_section): Likewise.
709 2017-12-20 Mark Wielaard <mark@klomp.org>
711 * libdwP.h (struct Dwarf_CU): Add sec_idx field.
712 (cu_sec_idx): Return cu->sec_idx.
713 * libdw_findcu.c (__libdw_intern_next_unit): Set cu sec_idx to
714 IDX_debug_info or IDX_debug_types.
715 * dwarf_begin_elf.c (valid_p): Set fake_loc_cu->sec_idx to
717 * dwarf_getmacros.c (read_macros): Set fake_cu->sec_idx to
718 IDX_debug_macro or IDX_debug_macinfo.
720 2017-12-12 Mark Wielaard <mark@klomp.org>
722 * dwarf_aggregate_size.c (dwarf_aggregate_size): Don't peel the
723 given DIE. Reserve memory for a new DIE first.
725 2017-12-11 Dima Kogan <dima@secretsauce.net>
727 * dwarf_aggregate_size.c (array_size): Handle multi-dimensional
730 2017-11-03 Mark Wielaard <mark@klomp.org>
732 * dwarf_getlocation.c (__libdw_intern_expression): Handle
733 DW_OP_GNU_variable_value.
734 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Likewise.
735 * dwarf_getlocation_die.c (dwarf_getlocation_die): Likewise.
737 2017-11-03 Mark Wielaard <mark@klomp.org>
739 * dwarf_getlocation.c (attr_ok): Always accept DW_FORM_exprloc.
740 Update list of acceptable attribute codes based on DWARF5.
742 2017-11-03 Mark Wielaard <mark@klomp.org>
744 * dwarf.h: Add DW_OP_GNU_variable_value.
746 2017-10-03 Mark Wielaard <mark@klomp.org>
748 * libdw.h: Define LIBDW_CIE_ID and use it in dwarf_cfi_cie_p.
750 2017-08-18 Ulf Hermann <ulf.hermann@qt.io>
752 * memory-access.h: Use attribute_packed.
754 2017-02-27 Ulf Hermann <ulf.hermann@qt.io>
756 * libdwP.h: Use attribute_hidden.
757 * libdw_alloc.c: Likewise.
759 2017-02-27 Ulf Hermann <ulf.hermann@qt.io>
761 * Makefile.am: Use fpic_CFLAGS and dso_LDFLAGS.
763 2017-07-26 Mark Wielaard <mark@klomp.org>
765 * dwarf.h: Add DW_MACRO_* and compat defines for DW_MACRO_GNU_*.
766 * dwarf_getmacros.c (get_table_for_offset): Accept either version
767 4 or 5. Use DW_MACRO names instead of DW_MACRO_GNU names.
768 (read_macros): Use table version for fake_cu.
770 2017-07-26 Mark Wielaard <mark@klomp.org>
772 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_immutable_type,
773 DW_TAG_packed_type and DW_TAG_shared_type.
774 * libdw.h (dwarf_peel_type): Extend documentation.
776 2017-07-26 Mark Wielaard <mark@klomp.org>
778 * dwarf.h: Add DW_DEFAULTED_no, DW_DEFAULTED_in_class and
779 DW_DEFAULTED_out_of_class.
781 2017-07-26 Mark Wielaard <mark@klomp.org>
783 * dwarf.h: Add DW_CC_pass_by_reference and DW_CC_pass_by_reference.
785 2017-07-26 Mark Wielaard <mark@klomp.org>
787 * dwarf_default_lower_bound.c: New file.
788 * Makefile.am (libdw_a_SOURCES): Add dwarf_default_lower_bound.c.
789 * dwarf_aggregate_size.c (array_size): Use dwarf_default_lower_bound.
790 * dwarf_error.c (errmsgs): Add DWARF_E_UNKNOWN_LANGUAGE.
791 * libdw.h: Add dwarf_default_lower_bound.
792 * libdw.map (ELFUTILS_0.170): Add dwarf_default_lower_bound.
793 * libdwP.h: Add DWARF_E_UNKNOWN_LANGUAGE and
794 dwarf_default_lower_bound INTDECL.
796 2017-07-26 Mark Wielaard <mark@klomp.org>
798 * dwarf.h: Add DW_LANG_OpenCL, DW_LANG_Modula3,
799 DW_LANG_C_plus_plus_03, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift,
800 DW_LANG_Julia, DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_BLISS.
801 * dwarf_aggregate_size.c (array_size): Add lower bound for
802 DW_LANG_C_plus_plus_03, DW_LANG_Python, DW_LANG_OpenCL,
803 DW_LANG_Haskell, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift,
804 DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_Modula3,
805 DW_LANG_Julia and DW_LANG_BLISS.
807 2017-07-26 Mark Wielaard <mark@klomp.org>
809 * dwarf.h: Add DW_ATE_UCS and DW_ATE_ASCII.
811 2017-07-25 Mark Wielaard <mark@klomp.org>
813 * dwarf.h: Add DW_TAG_coarray_type, DW_TAG_generic_subrange,
814 DW_TAG_dynamic_type, DW_TAG_call_site, DW_TAG_call_site_parameter,
815 DW_TAG_skeleton_unit, DW_TAG_immutable_type. Add reserved comments
816 for currently unused numbers.
818 2017-07-25 Mark Wielaard <mark@klomp.org>
820 * dwarf.h (DWARF attributes enum): Remove DW_AT_subscr_data,
821 DW_AT_element_list and DW_AT_member. Add DWARF5 attribute constants.
822 (DW_AT_subscr_data, DW_AT_element_list, DW_AT_member): New defines.
824 2017-07-21 Mark Wielaard <mark@klomp.org>
826 * dwarf_line_file.c: New file.
827 * Makefile.am (libdw_a_SOURCES): Add dwarf_line_file.c.
828 * libdw.h (dwarf_line_file): New function declaration.
829 * libdw.map (ELFUTILS_0.170): New. Add dwarf_line_file.
831 2017-02-17 Ulf Hermann <ulf.hermann@qt.io>
833 * Makefile.am: Add libdw_so_LIBS to specify the archives libdw is is
834 made of, libdw_so_DEPS for libraries it depends on (including
835 libeu.a), libdw_so_LDLIBS to specify libraries libdw links against.
836 (libdw.so$(EXEEXT)): Add $(libdw_so_LDLIBS), remove enumeration of
837 library dependencies, use libdw_so_LIBS rather than relying on the
838 order of dependencies specified, add -z,relro.
840 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
842 * libdw.h: Remove attribute macro declarations and use
843 __noreturn_attribute__ as defined in libelf.h.
845 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
847 * dwarf_begin_elf.c: Include endian.h.
849 2017-03-30 Mark Wielaard <mjw@redhat.com>
851 * dwarf_peel_type.c (dwarf_peel_type): Call dwarf_attr_integrate on
854 2016-10-22 Mark Wielaard <mjw@redhat.com>
856 * dwarf.h: Correct spelling of DW_LANG_PLI. Add compatibility define.
857 * dwarf_aggregate_size.c (array_size): Use correct spelling of
860 2016-11-02 Mark Wielaard <mjw@redhat.com>
862 * cfi.c (execute_cfi): Add fallthrough comments.
863 * encoded-value.h (encoded_value_size): Add explicit return instead
864 of relying on fallthrough.
865 * dwfl_report_elf.c (__libdwfl_elf_address_range): Add fallthrough
868 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
870 * dwarf_getpubnames.c: Remove sys/param.h include, add system.h.
871 * libdw_alloc.c: Likewise.
873 2016-07-08 Mark Wielaard <mjw@redhat.com>
875 * libdw.map (ELFUTILS_0.167): New. Add dwelf_strtab_init,
876 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize,
877 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free.
879 2016-02-13 Mark Wielaard <mjw@redhat.com>
881 * dwarf_getsrclines.c (read_srclines): Calculate ndirs first, then
884 2015-12-18 Mark Wielaard <mjw@redhat.com>
886 * libdwP.h (struct Dwarf): Remove sectiondata_gzip_mask.
887 (__libdw_free_zdata): Remove.
888 * dwarf_begin_elf.c (inflate_section): Remove.
889 (check_section): Remove __libdw_free_zdata calls. Use elf_compress
890 and elf_compress_gnu to decompress if necessary.
891 (valid_p): Remove __libdw_free_zdata calls.
892 (scngrp_read): Use elf_compress if section is compressed. Remove
893 __libdw_free_zdata calls.
894 * dwarf_end.c (__libdw_free_zdata): Remove.
895 (dwarf_end): Don't call __libdw_free_zdata.
897 2015-10-28 Mark Wielaard <mjw@redhat.com>
899 * libdw.map (ELFUTILS_0.165): New. Add dwelf_scn_gnu_compressed_size.
901 2015-12-02 Mark Wielaard <mjw@redhat.com>
903 * fde.c (intern_fde): Don't leak duplicate FDEs.
905 2015-12-01 Mark Wielaard <mjw@redhat.com>
907 * fde.c (intern_fde): Don't intern an fde that doesn't cover a
910 2015-12-01 Mark Wielaard <mjw@redhat.com>
912 * dwarf_end.c (dwarf_end): Call cu_free on fake_loc_cu if it exists.
914 2015-10-14 Chih-Hung Hsieh <chh@google.com>
916 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Move recursive
917 functions 'add_bkpt', 'entrypc_bkpt', and 'search_range' to file scope.
919 2015-10-14 Chih-Hung Hsieh <chh@google.com>
921 * libdw_visit_scopes.c (__libdw_visit_scopes): Move recursive nested
922 function 'walk_children' to file scope; inline 'recurse' at its call
925 2015-10-19 Mark Wielaard <mjw@redhat.com>
927 * frame-cache.c (__libdw_destroy_frame_cache): Call ebl_closebackend
930 2015-10-16 Dmitry V. Levin <ldv@altlinux.org>
932 * dwarf_getsrclines.c (read_srclines): Initialize state early.
934 2015-10-13 Chih-Hung Hsieh <chh@google.com>
936 * dwarf_getsrclines.c (read_srclines): Move nested functions
937 'advance_pc' and 'add_new_line' to file scope and keep many
938 local state variables within one structure.
940 2015-10-13 Chih-Hung Hsieh <chh@google.com>
942 * dwarf_getscopevar.c (dwarf_getscopevar): Move nested
943 function 'file_matches' to file scope.
945 2015-10-16 Mark Wielaard <mjw@redhat.com>
947 * Makefile.am (libdw.so): Add -lz.
949 2015-10-14 Chih-Hung Hsieh <chh@google.com>
951 * cfi.c (execute_cfi): Move nested functions 'enough_registers'
952 and 'require_cfa_offset' to file scope.
954 2015-10-09 Josh Stone <jistone@redhat.com>
956 * dwarf_begin.c (dwarf_begin): Replace stat64 and fstat64 with stat
959 2015-10-05 Josh Stone <jistone@redhat.com>
961 * Makefile.am (libdw.so): Add AM_V_CCLD and AM_V_at silencers.
963 2015-09-24 Jose E. Marchesi <jose.marchesi@oracle.com>
965 * Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid
966 relocation overflows in some platforms.
968 2015-09-23 Mark Wielaard <mjw@redhat.com>
970 * dwarf_error.c (__libdw_seterrno): Mark as internal_function.
971 * dwarf_formref.c (__libdw_formref): Likewise.
972 * libdw_findcu.c (__libdw_findcu): Likewise.
973 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
975 2015-09-22 Mark Wielaard <mjw@redhat.com>
977 * *.c: Remove old-style function definitions.
979 2015-09-15 Mark Wielaard <mjw@redhat.com>
981 * dwarf_peel_type.c (dwarf_peel_type): Don't reassign result pointer.
983 2015-09-09 Chih-Hung Hsieh <chh@google.com>
985 * dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Remove
986 redundant NULL tests on parameters declared with __nonnull_attribute__.
987 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
988 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
990 2015-09-04 Chih-Hung Hsieh <chh@google.com>
991 Mark Wielaard <mjw@redhat.com>
993 * dwarf_getlocation.c (getlocations_addr): Replace K&R function
994 definition with ansi-C definition and add const qualifier to
997 2015-09-04 Chih-Hung Hsieh <chh@google.com>
999 * libdw_findcu.c (__libdw_intern_next_unit): Replace K&R function
1000 definition with ansi-C definitions.
1001 (__libdw_findcu): Likewise.
1003 2015-08-25 Mark Wielaard <mjw@redhat.com>
1005 * dwarf.h: Add DW_LANG_Haskell.
1007 2015-06-18 Mark Wielaard <mjw@redhat.com>
1009 * dwarf_begin_elf.c (dwarf_begin_elf): Assert page size is big enough
1012 2015-06-18 Mark Wielaard <mjw@redhat.com>
1014 * dwarf_getpubnames.c (get_offsets): Always free mem on error.
1016 2015-06-18 Mark Wielaard <mjw@redhat.com>
1018 * dwarf_getmacros.c (get_macinfo_table): Return NULL when
1019 dwarf_formudata reports an error.
1020 (get_table_for_offset): Likewise.
1022 2015-06-08 Mark Wielaard <mjw@redhat.com>
1024 * dwarf_getsrclines.c (read_srclines): Initialize dirarray early.
1026 2015-06-06 Mark Wielaard <mjw@redhat.com>
1028 * dwarf_getsrclines.c (read_srclines): Initialize filelist early.
1030 2015-05-27 Mark Wielaard <mjw@redhat.com>
1032 * encoded-value.h (read_encoded_value): Check data d_size contains
1033 at least enough data to hold a pointer for DW_EH_PE_indirect.
1035 2015-05-22 Mark Wielaard <mjw@redhat.com>
1037 * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines
1038 with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with
1039 MAX_STACK_DIRS. Calculate number of dirs needed first, then
1040 create dirarray directly, without needing the next field. Free
1041 not stack allocated lines and files at the end.
1043 2015-05-19 Mark Wielaard <mjw@redhat.com>
1045 * dwarf_getlocation.c (__libdw_intern_expression): Create a stack
1046 allocated array to hold locs. Allocate locs bigger than the array
1047 with malloc and free them when done.
1049 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
1051 * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator.
1052 * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message.
1053 * dwarf_begin_elf.c (inflate_section): New static function, lifted
1055 (check_section): ... here. Call inflate_section, set libdw errno to
1056 DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated.
1058 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
1060 * dwarf_begin_elf.c (check_section): Add compressed flag. Always
1061 check for .zdebug sections. Only wrap decompression in #if USE_ZLIB.
1063 2015-05-06 Mark Wielaard <mjw@redhat.com>
1065 * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and
1066 check the line number.
1068 2015-05-05 Mark Wielaard <mjw@redhat.com>
1070 * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data
1071 left before reading values.
1073 2015-05-04 Anthony G. Basile <blueness@gentoo.org>
1075 * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link
1078 2015-04-22 Mark Wielaard <mjw@redhat.com>
1080 * memory-access.h (__libdw_max_len_leb128): Take type_len as argument.
1081 (__libdw_max_len_uleb128): New function.
1082 (__libdw_max_len_sleb128): Likewise.
1083 (__libdw_get_uleb128): Use __libdw_max_len_uleb128.
1084 (__libdw_get_sleb128): Use __libdw_max_len_sleb128.
1086 2015-04-21 Mark Wielaard <mjw@redhat.com>
1088 * dwarf_getmacros.c (read_macros): Allocate attributes dynamically
1089 when there are more than 8.
1091 2015-04-01 Petr Machata <pmachata@redhat.com>
1093 * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator.
1094 (is_cudie): New function.
1095 * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE.
1096 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead
1097 of white-listing valid tags.
1098 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1100 2015-03-18 Petr Machata <pmachata@redhat.com>
1102 * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h.
1103 (EXTRA_DIST): Remove known-dwarf.h.
1105 2015-02-09 Mark Wielaard <mjw@redhat.com>
1107 * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08.
1108 * dwarf_aggregate_size.c (array_size): Recognize array lower bound
1109 for new Fortran language codes is 1.
1111 2015-02-09 Mark Wielaard <mjw@redhat.com>
1113 * dwarf.h: Add DW_TAG_atomic_type.
1114 * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type.
1115 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type.
1117 2015-02-11 Josh Stone <jistone@redhat.com>
1119 * encoded-value.h (read_encoded_value): Initialize value.
1121 2015-02-11 Petr Machata <pmachata@redhat.com>
1123 * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither
1124 DW_AT_entry_pc nor DW_AT_low_pc are available. Instead remember
1125 the fact in *BASEP and bail out later if it hasn't been updated by
1126 __libdw_read_begin_end_pair_inc.
1128 2014-12-24 Mark Wielaard <mjw@redhat.com>
1130 * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record
1131 smaller than or equal to addr, rather than returning immediately on
1134 2015-01-07 Mark Wielaard <mjw@redhat.com>
1136 * cfi.h (struct Dwarf_CFI_s): Add search_table_len.
1137 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough
1138 room in the search table for all entries. Store search_table_len.
1139 (getcfi_scn_eh_frame): Likewise.
1140 * encoded-value.h (encoded_value_size): Don't abort, return zero.
1141 (__libdw_cfi_read_address_inc): Check there is enough room to read
1142 values. Pass other byte order to read functions.
1143 (read_encoded_value): Check encoded_value_size. Don't abort, but
1144 set libdw errno and report failure. Check there is enough room to
1146 * fde.c (binary_search_fde): Check encoded value size. Add hdr
1147 data buf and size to dummy_cfi.
1149 2015-01-04 Mark Wielaard <mjw@redhat.com>
1151 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute
1152 is after current DIE.
1154 2015-01-04 Mark Wielaard <mjw@redhat.com>
1156 * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof
1157 (dwarf_frame_register).
1159 2015-01-02 Mark Wielaard <mjw@redhat.com>
1161 * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check.
1162 (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL.
1163 (getcfi_scn_eh_frame): Check d_buf is not NULL.
1165 2015-01-02 Mark Wielaard <mjw@redhat.com>
1167 * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not
1168 NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For
1169 DW_OP_addr if dbg is NULL then read argument directly.
1171 2015-01-14 Jason P. Leasure <jpleasu@super.org>
1173 * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset
1176 2014-12-27 Mark Wielaard <mjw@redhat.com>
1178 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset
1179 still falls inside CU data.
1181 2015-01-11 Mark Wielaard <mjw@redhat.com>
1183 * dwarf_func_inline.c (dwarf_func_inline_instances): Call
1184 __libdw_visit_scopes with NULL imports.
1185 * dwarf_getfuncs.c (dwarf_getfuncs): Likewise.
1186 * dwarf_getscopes.c (pc_record): Likewise.
1187 (dwarf_getscopes): Likewise.
1188 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
1189 * libdwP.h (__libdw_visit_scopes): Add imports argument.
1190 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new
1191 function imports_contains. Push and pop imports around walk_children
1192 when processing DW_TAG_imported_unit.
1194 2014-12-18 Ulrich Drepper <drepper@gmail.com>
1196 * Makefile.am: Suppress output of textrel_check command.
1198 2014-12-16 Mark Wielaard <mjw@redhat.com>
1200 * dwarf_getsrclines.c (read_srclines): Check diridx is valid under
1203 2014-12-16 Mark Wielaard <mjw@redhat.com>
1205 * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough
1206 space to read die offset.
1208 2014-12-16 Mark Wielaard <mjw@redhat.com>
1210 * dwarf_getsrclines.c (read_srclines): Correct overflow check for
1213 2014-12-15 Mark Wielaard <mjw@redhat.com>
1215 * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside
1216 section data. Set error to DWARF_E_NO_ENTRY if cnt is zero.
1217 (dwarf_getpubnames): Make sure section data contains string zero
1220 2014-12-16 Mark Wielaard <mjw@redhat.com>
1222 * memory-access.h (__libdw_get_sleb128): Unroll the first step to help
1223 the compiler optimize for the common single-byte case.
1225 2014-12-15 Josh Stone <jistone@redhat.com>
1227 * memory-access.h (__libdw_max_len_leb128): New.
1228 (__libdw_get_uleb128): Use __libdw_max_len_leb128.
1229 (__libdw_get_sleb128): Likewise.
1231 2014-12-14 Mark Wielaard <mjw@redhat.com>
1233 * cfi.c (execute_cfi): Add program bounds checks.
1234 * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks.
1235 * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp.
1236 * dwarf_formref.c (__libdw_formref): Add datap bounds checks.
1237 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
1238 * dwarf_formudata.c (dwarf_formudata): Likewise.
1239 * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128
1240 with end of data buf.
1241 * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks.
1242 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128
1243 call gets enough data.
1244 * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp.
1245 * dwarf_getlocation.c (store_implicit_value): Call get_uleb128
1247 (__libdw_intern_expression): Call get_uleb128/get_sleb128 with
1249 * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check.
1250 * dwarf_getsrclines.c (read_srclines): Bounds check linep and call
1251 get_uleb128 with lineendp.
1252 * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call
1253 get_uleb128 with endp.
1254 * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call
1255 get_uleb128/get_sleb128 with limit.
1256 * encoded-value.h (read_encoded_value): Assume get_uleb128 and
1257 get_sleb128 get called with enough data.
1258 * fde.c (intern_fde): Call get_uleb128 with instructions_end.
1259 * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp.
1260 * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with
1262 * memory-access.h (__libdw_get_uleb128): Take an extra endp.
1263 Don't call get_uleb128_step if out of data.
1264 (__libdw_get_sleb128): Likewise for get_sleb128_step.
1266 2014-12-12 Mark Wielaard <mjw@redhat.com>
1268 * libdwP.h (struct Dwarf): Add fake_loc_cu.
1270 (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx.
1271 (__libdw_form_val_compute_len): Drop dbg and endp arguments.
1272 (__libdw_form_val_len): Likewise.
1273 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
1274 * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use
1275 the already found data buffer directly.
1276 * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu.
1277 * dwarf_end.c (dwarf_end): Free fake_loc_cu.
1278 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with
1280 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
1281 * dwarf_formblock.c (dwarf_formblock): Add bounds checking.
1282 * dwarf_getlocation_attr.c (attr_form_cu): New function.
1283 (dwarf_getlocation_attr): Use attr_form_cu to set result->cu.
1284 (getlocation): Handle empty blocks immediately.
1285 * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var.
1286 (__libdw_empty_loc_attr): Drop cu argument, use empty_cu.
1287 (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with
1289 * dwarf_getmacros.c (read_macros): Also setup startp and endp for
1290 fake_cu. Call __libdw_form_val_len with just fake_cu.
1291 * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get
1292 datap and size directly from cu startp and endp.
1294 2014-12-11 Mark Wielaard <mjw@redhat.com>
1296 * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset.
1298 2014-12-13 Mark Wielaard <mjw@redhat.com>
1300 * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr
1301 difference doesn't wrap around before returning as int.
1303 2014-12-11 Josh Stone <jistone@redhat.com>
1305 * dwarf_getsrclines.c (struct linelist): Add sequence.
1306 (compare_lines): Take linelists, and break ties by sequence.
1307 (read_srclines): Use linelists for sorting.
1308 (read_srclines::add_new_line): Set sequence.
1310 2014-12-10 Josh Stone <jistone@redhat.com>
1312 * libdwP.h (Dwarf_CU): Add startp and endp boundaries.
1313 * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp.
1314 * dwarf_child.c (dwarf_child): Use cu->endp.
1315 * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp.
1316 * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp.
1317 * dwarf_siblingof.c (dwarf_siblingof): Use both.
1319 2014-12-10 Josh Stone <jistone@redhat.com>
1321 * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence.
1323 2014-12-10 Josh Stone <jistone@redhat.com>
1325 * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function.
1326 * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it.
1327 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
1328 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
1329 * dwarf_tag.c (dwarf_tag): Likewise.
1331 2014-12-04 Mark Wielaard <mjw@redhat.com>
1333 * libdwP.h (__libdw_form_val_compute_len): Add endp argument.
1334 (__libdw_form_val_len): Likewise and check len doesn't overflow.
1335 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
1336 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len
1338 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
1339 * dwarf_getmacros.c (read_macros): Likewise and check for errors.
1341 2014-12-02 Petr Machata <pmachata@redhat.com>
1343 * dwarf_getmacros.c (token_from_offset, offset_from_token): New
1345 (do_dwarf_getmacros_die): Merge into dwarf_getmacros.
1346 * libdw.h (DWARF_GETMACROS_START): New macro.
1348 2014-11-27 Mark Wielaard <mjw@redhat.com>
1350 * Makefile.am (libdw.so): Use textrel_check.
1352 2014-11-27 Mark Wielaard <mjw@redhat.com>
1354 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize
1355 search_table_entries and search_table_encoding.
1357 2014-11-24 Mark Wielaard <mjw@redhat.com>
1359 * dwarf_getsrclines.c (read_srclines): Check line_range is not zero
1362 2014-11-23 Mark Wielaard <mjw@redhat.com>
1364 * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value.
1365 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
1366 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
1368 2014-11-23 Mark Wielaard <mjw@redhat.com>
1370 * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF.
1371 Set libdw errno and return NULL.
1373 2014-11-24 Mark Wielaard <mjw@redhat.com>
1375 * dwarf.h (DW_LANG_C_plus_plus_11): Added.
1376 (DW_LANG_C11): Likewise.
1377 (DW_LANG_C_plus_plus_14): Likewise.
1378 * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11,
1379 DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go
1381 * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for
1384 2014-11-26 Mark Wielaard <mjw@redhat.com>
1386 * dwarf.h (DW_AT_noreturn): Added.
1388 2014-11-11 Mark Wielaard <mjw@redhat.com>
1390 * dwarf_getsrclines.c (read_srclines): Do address_size comparison
1391 explicitly as uint8_t.
1392 (__libdw_getsrclines): Add internal_function to declaration.
1394 2014-09-10 Petr Machata <pmachata@redhat.com>
1396 * dwarf_macro_getparamcnt.c: New file.
1397 * dwarf_macro_param.c: New file.
1398 * dwarf_macro_getsrcfiles.c: New file.
1399 * Makefile.am (libdw_a_SOURCES): Add the new files.
1400 * libdwP.h (struct files_lines_s): New structure.
1401 (DWARF_E_INVALID_OPCODE): New enumerator.
1402 (struct Dwarf): New fields macro_ops, files_lines.
1403 (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for
1404 keeping macro opcode prototypes in.
1405 (Dwarf_Macro_s): Redefine from scratch.
1406 (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New
1407 internal interfaces.
1408 * dwarf_error.c (errmsgs): Add a message for
1409 DWARF_E_INVALID_OPCODE.
1410 * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and
1412 * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt)
1413 (dwarf_macro_getsrcfiles, dwarf_macro_param): New public
1415 * dwarf_getmacros.c (dwarf_getmacros_off): New function,
1416 (get_offset_from, macro_op_compare, build_table)
1417 (init_macinfo_table, get_macinfo_table, get_table_for_offset)
1418 (cache_op_table, read_macros, gnu_macros_getmacros_off)
1419 (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper
1421 (dwarf_getmacros): Adjust to dispatch to the new interfaces.
1422 * dwarf_getsrclines.c (read_srclines): New function with guts
1423 taken from dwarf_getsrclines.
1424 (__libdw_getsrclines): Likewise.
1425 (__libdw_getcompdir, files_lines_compare): New functions.
1426 (dwarf_getsrclines): Make it dispatch to the new interfaces.
1427 * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to
1429 * dwarf_macro_param2.c (dwarf_macro_param2): Likewise.
1430 * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off,
1431 dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param.
1433 2014-10-06 Mark Wielaard <mjw@redhat.com>
1435 * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c.
1436 * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type.
1437 (aggregate_size): Likewise. Add old and new version.
1438 * dwarf_peel_type.c: New file.
1439 * libdw.h (dwarf_peel_type): New function declaration.
1440 * libdwP.h (dwarf_peel_type): New internal declaration.
1441 * libdw.map (ELFUTILS_0.161): New section.
1443 2014-10-15 Petr Machata <pmachata@redhat.com>
1445 * libdwP.h (struct Dwarf_Files_s.cu): Drop field.
1446 * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it.
1448 2014-10-05 Mark Wielaard <mjw@redhat.com>
1450 * dwarf.h: Add DW_AT_GNU_deleted.
1452 2014-10-02 Mark Wielaard <mjw@redhat.com>
1454 * dwarf_aggregate_size.c (aggregate_size): Return CU address_size
1455 for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or
1456 DW_TAG_rvalue_reference_type.
1458 2014-09-12 Petr Machata <pmachata@redhat.com>
1460 * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and
1461 8-byte quantities. Consequently, rename to...
1462 (read_addr_unaligned_inc): ... this.
1463 (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop.
1464 (read_sbyte_unaligned): Drop.
1466 2014-09-10 Petr Machata <pmachata@redhat.com>
1468 * dwarf_getlocation.c (attr_ok): Also accept
1469 DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
1470 DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered.
1472 2014-08-15 Mark Wielaard <mjw@redhat.com>
1474 * dwarf_cu_die.c: New file.
1475 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c.
1476 * libdw.h (dwarf_cu_die): New function declaration.
1477 * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die.
1479 2014-08-15 Mark Wielaard <mjw@redhat.com>
1481 * dwarf_cu_getdwarf.c: New file.
1482 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c.
1483 * libdw.h (Dwarf_CU): New typedef.
1484 (dwarf_cu_getdwarf): New function declaration.
1485 * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf.
1487 2014-06-18 Mark Wielaard <mjw@redhat.com>
1489 * dwarf.h: Remove DW_TAG_mutable_type.
1491 2014-05-02 Mark Wielaard <mjw@redhat.com>
1493 * libdwP.h (__check_build_id): Removed now unused.
1495 2014-05-01 Mark Wielaard <mjw@redhat.com>
1497 * libdwP.h (struct Dwarf): Remove free_alt.
1498 * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf.
1499 * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt.
1501 2014-04-30 Mark Wielaard <mjw@redhat.com>
1503 * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id.
1505 2014-04-15 Florian Weimer <fweimer@redhat.com>
1507 * dwarf_begin_elf.c (__check_build_id, try_debugaltlink)
1508 (open_debugaltlink): Move to libdwfl.
1509 (check_section): Do not locate alternate debuginfo.
1511 2014-04-24 Florian Weimer <fweimer@redhat.com>
1513 * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink.
1515 2014-04-22 Florian Weimer <fweimer@redhat.com>
1517 * dwarf_getalt.c, dwarf_setalt.c: New files.
1518 * Makefile.am (libdw_a_SOURCES): Add them.
1519 * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations.
1520 * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function
1522 * libdw.map (ELFUTILS_0.159): Export the two new functions.
1524 2014-04-15 Florian Weimer <fweimer@redhat.com>
1526 * libdwP.h (enum IDX_gnu_debugaltlink): New.
1527 * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add
1529 (check_section): Obtain .gnu_debugaltlink section from the
1532 2014-04-11 Mark Wielaard <mjw@redhat.com>
1534 * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink.
1535 * Makefile.am (libdw.so): Depend on libdwelf_pic.a.
1536 (libdwelf_objects): New variable.
1537 (libdw_a_LIBADD): Add libdwelf objects.
1539 2014-04-22 Mark Wielaard <mjw@redhat.com>
1541 * memory-access.h (get_sleb128_step): Remove undefined behavior
1542 of left shifting a signed value. Replace it with a multiplication.
1544 2014-04-13 Mark Wielaard <mjw@redhat.com>
1546 * Makefile.am: Remove !MUDFLAP conditions.
1548 2014-04-09 Mark Wielaard <mjw@redhat.com>
1550 * dwarf_begin_elf.c (check_section): Check for unsigned overflow
1551 before calling malloc to uncompress data.
1553 2014-03-03 Jan Kratochvil <jan.kratochvil@redhat.com>
1555 Fix abort() on missing section headers.
1556 * dwarf_begin_elf.c (check_section): Replace abort call by goto err.
1557 New label err to return NULL.
1559 2014-02-05 Josh Stone <jistone@redhat.com>
1561 * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned.
1562 * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as
1563 unsigned. Change the range assert to DWARF_E_INVALID_DWARF.
1565 2013-12-30 Mark Wielaard <mjw@redhat.com>
1567 * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and
1568 dwfl_linux_proc_attach.
1570 2013-12-20 Mark Wielaard <mjw@redhat.com>
1572 * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames.
1574 2013-12-18 Mark Wielaard <mjw@redhat.com>
1576 * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and
1577 dwfl_module_getsym_elf. Add dwfl_module_addrinfo and
1578 dwfl_module_getsym_info.
1580 2013-12-16 Mark Wielaard <mjw@redhat.com>
1582 * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global.
1584 2013-12-10 Josh Stone <jistone@redhat.com>
1586 * memory-access.h (get_uleb128_rest_return): Removed.
1587 (get_sleb128_rest_return): Removed.
1588 (get_uleb128_step): Make this a self-contained block.
1589 (get_sleb128_step): Ditto, and use a bitfield to extend signs.
1590 (get_uleb128): Make this wholly implemented by __libdw_get_uleb128.
1591 (get_sleb128): Make this wholly implemented by __libdw_get_sleb128.
1592 (__libdw_get_uleb128): Simplify and inline for all callers.
1593 (__libdw_get_sleb128): Ditto.
1594 * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128.
1595 * memory-access.c: Delete file.
1596 * Makefile.am (libdw_a_SOURCES): Remove it.
1597 (DEFS): Remove the now unused -DIS_LIBDW.
1599 2013-12-09 Josh Stone <jistone@redhat.com>
1601 * libdw_form.c (__libdw_form_val_compute_len): Renamed function from
1602 __libdw_form_val_len, now handling only non-constant form lengths.
1603 * libdwP.h (__libdw_form_val_len): New inlined function.
1605 2013-12-09 Mark Wielaard <mjw@redhat.com>
1607 * dwarf_getlocation.c (__libdw_intern_expression): Handle empty
1608 location expressions.
1609 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no
1610 location found, return empty location expression.
1611 * dwarf_getlocation_implicit_pointer.c
1612 (dwarf_getlocation_implicit_pointer): Likewise.
1613 (__libdw_empty_loc_attr): New internal function.
1614 * libdwP.h (__libdw_empty_loc_attr): Define.
1616 2013-11-27 Mark Wielaard <mjw@redhat.com>
1618 * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and
1619 dwfl_module_getsym_elf.
1621 2013-11-26 Mark Wielaard <mjw@redhat.com>
1623 * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid,
1624 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
1625 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
1626 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ...
1627 (ELFUTILS_0.158): ... here.
1629 2013-11-09 Mark Wielaard <mjw@redhat.com>
1631 * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and
1632 check that it is zero.
1634 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1636 * cfi.h (struct Dwarf_Frame_s): Make the comment more specific.
1637 * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid,
1638 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
1639 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
1640 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc.
1642 2013-11-01 Michael Forney <mforney@mforney.org>
1644 * Makefile.am (libdwfl_objects): New definition.
1645 (libdw_a_LIBADD): Use libdwfl_objects.
1647 2013-11-01 Michael Forney <mforney@mforney.org>
1649 * Makefile.am: Use READELF.
1651 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1653 * libdw.map (ELFUTILS_0.158): New.
1655 2013-10-10 Mark Wielaard <mjw@redhat.com>
1657 * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to
1658 start_addr and rename last_offset to last_addr. Now both void *.
1659 (tree_visitor): Use start_add and die_addr instead of start_offset
1661 (dwarf_getfuncs): Use last_addr instead of last_offset.
1663 2013-10-06 Mark Wielaard <mjw@redhat.com>
1665 * cfi.c (execute_cfi): Make sure DW_CFA_expression and
1666 DW_CFA_val_expression are not used with abi_cfi.
1668 2013-10-03 Josh Stone <jistone@redhat.com>
1670 * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here.
1671 * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits
1672 a unit, make sure to always hash the sig8 here, so none are missed.
1674 2013-09-29 Mark Wielaard <mjw@redhat.com>
1676 * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to
1677 uintptr_t before casting to char *.
1678 (__libdw_intern_expression): Cast data to uintptr_t before casting
1680 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast
1681 op->number2 to uintptr_t before casting to char *.
1683 2013-09-24 Josh Stone <jistone@redhat.com>
1685 * libdw_visit_scopes.c (classify_die): Removed.
1686 (may_have_scopes): New function to replace classify_die. There's no
1687 need for full classification; just find tags that may contain scopes.
1688 (__libdw_visit_scopes): Use a direct tag comparison for imported
1689 units, and use may_have_scopes to test if recursion is needed.
1691 2013-09-20 Mark Wielaard <mjw@redhat.com>
1693 * dwarf_getfuncs.c (visitor_info): New struct.
1694 (tree_visitor): New function.
1695 (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor.
1696 * libdw.h (dwarf_getfuncs): Expand function documentation.
1698 2013-09-12 Mark Wielaard <mjw@redhat.com>
1700 * fde.c (intern_fde): Free fde and set libdw errno when start
1701 or end could not be read.
1703 2013-08-24 Mark Wielaard <mjw@redhat.com>
1705 * dwarf_getlocation.c (store_implicit_value): Don't take data
1706 as argument, get block data from op number2. Return false when
1707 block data length and op number don't match up.
1708 (__libdw_intern_expression): Store start of block for
1709 DW_OP_implicit_value and DW_OP_GNU_entry_value instead of
1710 relative data offset. Also store block start (including length)
1711 for DW_OP_GNU_const_type. Don't pass data to store_implicit_value.
1712 * dwarf_getlocation_attr.c: New file.
1713 * dwarf_getlocation_die.c: Likewise.
1714 * libdw.h (dwarf_getlocation_die): New function definition.
1715 (dwarf_getlocation_attr): Likewise.
1716 * libdwP.h: Declare internal dwarf_getlocation_die.
1717 * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and
1718 dwarf_getlocation_attr.
1719 * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and
1720 dwarf_getlocation_attr.c.
1722 2013-08-23 Mark Wielaard <mjw@redhat.com>
1724 * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment.
1725 (attr_base_address): New function.
1726 (initial_offset_base): New function.
1727 (getlocations_addr): New function. Taken from...
1728 (dwarf_getlocation_addr): here. Use new initial_offset_base and
1730 (dwarf_getlocations): New function.
1731 * libdw.h (dwarf_getlocations): New function definition.
1732 * libdw.map (ELFUTILS_0.157): New.
1734 2013-07-02 Mark Wielaard <mjw@redhat.com>
1736 * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation
1737 limit MAX_STACK_ALLOC. After MAX_STACK_ALLOC lines use malloc in
1738 NEW_LINE macro. Free malloced line records if any at the end.
1740 2013-07-02 Mark Wielaard <mjw@redhat.com>
1742 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS.
1744 2013-06-26 Mark Wielaard <mjw@redhat.com>
1746 * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root
1747 DIEs without children. Return an error whenever dwarf_child or
1748 dwarf_siblingof return an error. Don't call recurse and increase
1749 the depth for an imported unit. Walk the children of an imported
1750 unit as if they are logical children of the parent root DIE.
1752 2013-05-03 Mark Wielaard <mjw@redhat.com>
1754 * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence
1757 2013-04-28 Jan Kratochvil <jan.kratochvil@redhat.com>
1759 * libdw.map (ELFUTILS_0.156): New.
1761 2013-04-24 Mark Wielaard <mjw@redhat.com>
1763 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1765 2013-04-10 Mark Wielaard <mjw@redhat.com>
1767 * dwarf_formref_die.c (dwarf_formref_die): Reference size is only
1768 equal to address size when we have a DW_FORM_ref_addr for DWARF
1771 2013-03-25 Mark Wielaard <mjw@redhat.com>
1773 * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as
1776 2013-03-12 Mark Wielaard <mjw@redhat.com>
1778 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit.
1779 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1781 2013-02-15 Mark Wielaard <mjw@redhat.com>
1783 * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata,
1784 not dbg->sectiondata.
1786 2013-01-07 Roland McGrath <roland@hack.frob.com>
1789 [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro.
1790 [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function.
1792 2012-12-18 Mark Wielaard <mjw@redhat.com>
1794 * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid.
1795 (check_section): Likewise on error.
1796 (scngrp_read): Likewise.
1797 (dwarf_begin_elf): Likewise.
1799 2012-10-09 Petr Machata <pmachata@redhat.com>
1801 * dwarf_getlocation.c (__libdw_intern_expression): Handle
1802 DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret,
1803 DW_OP_GNU_regval_type, DW_OP_GNU_entry_value,
1804 DW_OP_GNU_deref_type, DW_OP_GNU_const_type.
1806 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1808 * cfi.c: New include system.h.
1809 (execute_cfi) (enough_registers): Clear new memory after realloc.
1811 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1813 * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return
1814 DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for
1817 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1819 * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new
1820 loclist element DW_OP_call_frame_cfa before decoding the opcodes.
1821 Remove the later DW_OP_call_frame_cfa push to RESULT.
1823 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1826 * fde.c (binary_search_fde): Remove always true <address >= start>
1827 conditional. Move L initialization upwards.
1829 2012-08-24 Mark Wielaard <mjw@redhat.com>
1831 * dwarf_begin_elf.c (check_section): Only probe for dwz multi files
1832 when ENABLE_DWZ is defined.
1833 * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is
1836 2012-08-16 Mark Wielaard <mjw@redhat.com>
1838 * Makefile.am (EXTRA_DIST): Add known-dwarf.h.
1839 * dwarf.h (DW_LANG_Go): Update comment.
1840 (DW_LANG_Mips_Assembler): Likewise.
1842 2012-06-27 Mark Wielaard <mjw@redhat.com>
1844 * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt.
1845 * dwarf_begin.c (dwarf_begin): Add INTDEF.
1846 * dwarf_begin_elf.c (__check_build_id): New internal_function.
1847 (try_debugaltlink): New function.
1848 (open_debugaltlink): Likewise.
1849 (check_section): Try open_debugaltlink for .gnu_debugaltlink.
1850 * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if
1852 * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK.
1853 * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt
1855 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt.
1856 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt.
1857 * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset
1859 * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call.
1860 * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK.
1861 (struct Dwarf): Add alt_dwarf and free_alt fields.
1862 (__libdw_read_offset): Add dbg_ret argument, use to check with
1863 __libdw_offset_in_section.
1864 (__check_build_id): New function declaration.
1865 (dwarf_begin): Define as INTDECL.
1866 * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt
1867 and DW_FORM_GNU_strp_alt.
1869 2012-07-19 Mark Wielaard <mjw@redhat.com>
1871 * dwarf.h: Add DW_OP_GNU_parameter_ref.
1873 2012-07-24 Mark Wielaard <mjw@redhat.com>
1875 * dwarf.h: Correct spelling of DW_LANG_ObjC.
1876 * dwarf_aggregate_size.c (array_size): Use correct spelling of
1879 2012-07-24 Mark Wielaard <mjw@redhat.com>
1881 * dwarf.h: Add DW_ATE_UTF.
1883 2012-06-27 Mark Wielaard <mjw@redhat.com>
1885 * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings.
1887 2012-06-26 Mark Wielaard <mjw@redhat.com>
1889 * libdwP.h: Add IDX_debug_macro.
1890 * dwarf.h: Add DW_AT_GNU_macros.
1891 * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro.
1892 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros.
1894 2012-04-27 Mark Wielaard <mjw@redhat.com>
1896 * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being
1897 a constant offset from DW_AT_low_pc.
1899 2012-03-19 Tom Tromey <tromey@redhat.com>
1901 * libdw_findcu.c (findcu_cb): Move earlier.
1902 (__libdw_intern_next_unit): Add new CU to search tree here...
1903 (__libdw_findcu): ... not here.
1905 2012-01-31 Mark Wielaard <mjw@redhat.com>
1907 * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset.
1909 2011-11-31 Mark Wielaard <mjw@redhat.com>
1911 * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk.
1913 2011-07-14 Mark Wielaard <mjw@redhat.com>
1915 * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info.
1917 2011-05-16 Jakub Jelinek <jakub@redhat.com>
1919 * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type,
1920 DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret):
1923 2011-04-26 Mark Wielaard <mjw@redhat.com>
1925 * dwarf_child (dwarf_child): Sanity check end of section against
1926 cu_data () of die->cu.
1928 2011-03-22 Mark Wielaard <mjw@redhat.com>
1930 * dwarf.h: Add DW_TAG_GNU_call_site,
1931 DW_TAG_GNU_call_site_parameter,
1932 DW_AT_GNU_call_site_value,
1933 DW_AT_GNU_call_site_data_value,
1934 DW_AT_GNU_call_site_target,
1935 DW_AT_GNU_call_site_target_clobbered,
1936 DW_AT_GNU_tail_call,
1937 DW_AT_GNU_all_tail_call_sites,
1938 DW_AT_GNU_all_call_sites,
1939 DW_AT_GNU_all_source_call_sites,
1940 and DW_OP_GNU_entry_value.
1942 2011-03-10 Petr Machata <pmachata@redhat.com>
1944 * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for
1945 abbreviation with code 0.
1947 2011-03-09 Petr Machata <pmachata@redhat.com>
1949 * libdw/dwarf_child.c (dwarf_child): Check for section overrun.
1951 2011-02-23 Roland McGrath <roland@redhat.com>
1953 * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask.
1954 Declare __libdw_free_zdata.
1955 * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function.
1956 (dwarf_end): Call it.
1958 * dwarf_begin_elf.c (valid_p): Likewise.
1959 (check_section, scngrp_read): Likewise.
1960 (check_section) [USE_ZLIB]: Grok .z* flavors of sections.
1962 2010-10-13 Roland McGrath <roland@redhat.com>
1964 * dwarf.h: Add DW_LANG_Go.
1966 2010-10-05 Roland McGrath <roland@redhat.com>
1968 * dwarf_getaranges.c: Use malloc rather than alloca,
1969 since the total number of elements can be quite huge.
1971 2010-07-26 Roland McGrath <roland@redhat.com>
1973 * dwarf_getlocation_implicit_pointer.c: New file.
1974 * Makefile.am (libdw_a_SOURCES): Add it.
1975 * libdw.map (ELFUTILS_0.149): New set.
1976 Add dwarf_getlocation_implicit_pointer.
1977 * libdw.h: Declare it.
1979 * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global.
1980 (dwarf_offdie, dwarf_offdie_types): Update callers.
1981 * libdwP.h: Declare it.
1983 * dwarf.h: Add DW_OP_GNU_implicit_pointer.
1984 * dwarf_getlocation.c (__libdw_intern_expression): Handle it.
1986 2010-08-24 Roland McGrath <roland@redhat.com>
1988 * libdw.map (ELFUTILS_0.149): New set. Add dwfl_dwarf_line.
1990 2010-07-27 Roland McGrath <roland@redhat.com>
1992 * dwarf_formref_die.c: Fix sig8 hash insertion.
1994 2010-06-23 Roland McGrath <roland@redhat.com>
1996 * cfi.c (dwarf_cfi_validate_fde): Function removed.
1997 * libdw.h: Remove it.
1998 * libdw.map: Likewise.
2000 2010-06-22 Roland McGrath <roland@redhat.com>
2002 * dwarf_getlocation.c (check_constant_offset): data[48] are constant.
2004 * dwarf_getsrclines.c: Fix signed comparison warning in extended
2007 2010-06-21 Roland McGrath <roland@redhat.com>
2009 * dwarf.h: Add DW_TAG_GNU_* constants.
2011 * memory-access.h (get_sleb128_rest_return): Fix sign extension for
2014 2010-06-20 Roland McGrath <roland@redhat.com>
2016 * libdw_findcu.c (__libdw_findcu): Take new flag argument,
2017 to search TUs instead of CUs.
2018 * libdwP.h: Update decl.
2019 (struct Dwarf): New member tu_tree.
2020 * dwarf_end.c (dwarf_end): Clean up tu_tree.
2021 * dwarf_offdie.c (do_offdie): New function, broken out of ...
2022 (dwarf_offdie): ... here.
2023 (dwarf_offdie_types): New function.
2024 * libdw.h: Declare it.
2025 * libdw.map (ELFUTILS_0.148): Add it.
2027 * libdwP.h (CUDIE): Use cu_data.
2028 * dwarf_formblock.c: Likewise.
2029 * dwarf_formref_die.c: Likewise.
2030 * dwarf_diecu.c: Use CUDIE macro.
2031 * dwarf_formaddr.c: Use cu_sec_idx.
2033 2010-06-16 Roland McGrath <roland@redhat.com>
2035 * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so
2036 we don't repeat a CU lookup we've already done. Handle
2037 DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit.
2039 * libdw_findcu.c (__libdw_intern_next_unit): New function,
2041 (__libdw_findcu): ... here. Call it.
2042 * libdwP.h: Declare it.
2043 (struct Dwarf): New member next_tu_offset.
2045 * dwarf_sig8_hash.c: New file.
2046 * dwarf_sig8_hash.h: New file.
2047 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
2048 * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before
2050 * libdwP.h (struct Dwarf): New member sig8_hash.
2051 * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it.
2052 * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it.
2054 * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ...
2055 (dwarf_nextcu): ... here. Call it.
2056 * libdw.h: Declare it.
2057 * libdwP.h: Add INTDECL.
2058 * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu.
2059 * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit.
2061 * libdwP.h (cu_sec_idx, cu_data): New functions.
2062 Use .debug_types when CU is a TU.
2063 * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info.
2064 * dwarf_siblingof.c: Likewise.
2065 * dwarf_formstring.c: Likewise.
2066 * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise.
2067 * dwarf_getlocation.c (dwarf_getlocation): Likewise.
2068 (dwarf_getlocation_addr): Likewise.
2070 * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8.
2071 (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute
2072 .debug_types header size instead of .debug_info header size.
2074 * dwarf_diecu.c: Update caller.
2075 * dwarf_getaranges.c: Likewise.
2076 * dwarf_nextcu.c: Likewise.
2077 * libdw_findcu.c (__libdw_findcu): Initialize new members.
2079 * fde.c (fde_by_offset): Renamed to ...
2080 (__libdw_fde_by_offset): ... this, made global and internal_function.
2081 Don't take ADDRESS argument.
2082 (__libdw_find_fde): Update caller. Do address sanity check here.
2083 * cfi.h: Declare __libdw_fde_by_offset.
2084 * cfi.c (dwarf_cfi_validate_fde): New function.
2085 * libdw.h: Declare it.
2086 * libdw.map (ELFUTILS_0.148): Add it.
2088 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
2089 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
2091 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
2092 Don't assume DW_EH_PE_aligned refers to native address size.
2094 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
2097 2010-06-17 Roland McGrath <roland@redhat.com>
2099 * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and
2101 * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts
2102 into an inner inline function. Set new fields. Check all fields for
2103 overflow when setting.
2104 * dwarf_lineisa.c: New file.
2105 * dwarf_linediscriminator.c: New file.
2106 * dwarf_lineop_index.c: New file.
2107 * Makefile.am (libdw_a_SOURCES): Add them.
2108 * libdw.map (ELFUTILS_0.148): Add them.
2109 * libdw.h: Declare them.
2111 2010-06-16 Roland McGrath <roland@redhat.com>
2113 * dwarf_next_cfi.c: Fix version 4 return_address_register decoding.
2115 * fde.c (fde_by_offset): Renamed to ...
2116 (__libdw_fde_by_offset): ... this, made global and internal_function.
2117 Don't take ADDRESS argument.
2118 (__libdw_find_fde): Update caller. Do address sanity check here.
2119 * cfi.h: Declare __libdw_fde_by_offset.
2120 * cfi.c (dwarf_cfi_validate_fde): New function.
2121 * libdw.h: Declare it.
2122 * libdw.map (ELFUTILS_0.148): Add it.
2124 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
2125 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
2127 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
2128 Don't assume DW_EH_PE_aligned refers to native address size.
2130 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
2133 2010-06-15 Roland McGrath <roland@redhat.com>
2135 * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like
2137 * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way
2138 here, since we don't support it yet.
2140 * dwarf_next_cfi.c: Handle version 4 format.
2142 * dwarf_getsrclines.c: Handle version 4 format.
2144 2010-06-01 Roland McGrath <roland@redhat.com>
2146 * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types.
2147 * dwarf_begin_elf.c (dwarf_scnnames): Likewise.
2149 * libdwP.h (CIE_VERSION): Remove unused macro.
2151 * dwarf_getsrclines.c: Fix version field test.
2152 * libdwP.h (DWARF_VERSION): Remove useless macro.
2154 * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling.
2156 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc.
2158 * libdw_findcu.c (__libdw_findcu): Accept version 4.
2160 2010-05-31 Mark Wielaard <mjw@redhat.com>
2162 * cfi.h (dwarf_cfi_cie_p): Move definition from here, to ..
2163 * libdw.h (dwarf_cfi_cie_p): ... here.
2165 2010-05-31 Mark Wielaard <mjw@redhat.com>
2167 * dwarf.h: Fix DW_LANG_Python constant.
2169 2010-05-28 Eduardo Santiago <santiago@redhat.com>
2171 * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first
2174 2010-05-27 Roland McGrath <roland@redhat.com>
2176 * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name,
2177 DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator.
2179 2010-05-08 Roland McGrath <roland@redhat.com>
2181 * dwarf_getlocation.c (__libdw_intern_expression): Take new argument
2182 REF_SIZE. Use that to handle DW_OP_call_ref correctly.
2183 (getlocation): Update caller.
2184 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
2185 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
2186 * libdwP.h: Update decl.
2188 2010-04-26 Roland McGrath <roland@redhat.com>
2190 * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule.
2191 * cfi.c (execute_cfi): Set that instead of doing cfi_assert for
2192 DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force.
2193 * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid.
2195 * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP.
2196 Prepend DW_OP_call_frame_cfa if true.
2197 (getlocation): Update caller.
2198 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
2199 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
2200 * libdwP.h: Update decl.
2202 2010-04-22 Roland McGrath <roland@redhat.com>
2204 * cfi.c (execute_cfi): Never return without cleanup.
2206 (cie_cache_initial_state): Adjust caller to expect that free.
2207 (__libdw_frame_at_address): Likewise.
2209 2010-03-10 Roland McGrath <roland@redhat.com>
2211 * libdw.map (ELFUTILS_0.146): New set. Add dwfl_core_file_report.
2213 2010-02-15 Roland McGrath <roland@redhat.com>
2215 * Makefile.am: Use config/eu.am for common stuff.
2217 2010-02-02 Mark Wielaard <mjw@redhat.com>
2219 * fde.c (intern_fde): Fix length check for sized_augmentation_data.
2221 2010-01-07 Roland McGrath <roland@redhat.com>
2223 * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum.
2225 2010-01-05 Roland McGrath <roland@redhat.com>
2227 * dwarf_aggregate_size.c: New file.
2228 * Makefile.am (libdw_a_SOURCES): Add it.
2229 * libdw.h: Declare it.
2230 * libdwP.h: Add INTDECL.
2231 * libdw.map (ELFUTILS_0.144): New set. Add dwarf_aggregate_size.
2233 * dwarf_srclang.c: Add INTDEF.
2234 * libdwP.h: Add INTDECL.
2236 * dwarf.h: Add some more DW_AT_GNU_* types from gcc.
2238 * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name.
2240 2009-11-21 Roland McGrath <roland@redhat.com>
2242 * dwarf_getlocation.c (check_constant_offset): Return 1 for all
2245 2009-10-15 Roland McGrath <roland@redhat.com>
2247 * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset,
2248 DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8.
2250 2009-09-17 Roland McGrath <roland@redhat.com>
2252 * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP
2253 argument a pointer to const.
2254 * libdw.h: Update decl.
2256 2009-09-10 Roland McGrath <roland@redhat.com>
2258 * dwarf_getlocation.c (store_implicit_value): New function.
2259 (__libdw_intern_expression): Use it, handle DW_OP_implicit_value.
2260 (dwarf_getlocation_implicit_value): New function.
2261 * libdw.h: Declare it.
2262 * libdw.map (ELFUTILS_0.143): Add it.
2264 2009-09-09 Mark Wielaard <mjw@redhat.com>
2266 * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl.
2268 2009-08-21 Josh Stone <jistone@redhat.com>
2270 * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too.
2272 2009-08-10 Roland McGrath <roland@redhat.com>
2274 * dwarf_getscopevar.c: Use dwarf_diename.
2276 2009-08-09 Roland McGrath <roland@redhat.com>
2278 * libdw.map (ELFUTILS_0.143): New version set,
2279 inherits from ELFUTILS_0.142.
2280 * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an
2281 alias in the ELFUTILS_0.122 version set and the default in the new set.
2282 * dwarf_srclang.c: Likewise.
2283 * dwarf_decl_file.c: Likewise.
2284 * dwarf_decl_line.c: Likewise.
2285 * dwarf_decl_column.c: Likewise.
2286 * dwarf_bytesize.c: Likewise.
2287 * dwarf_bitsize.c: Likewise.
2288 * dwarf_bitoffset.c: Likewise.
2290 2009-08-07 Roland McGrath <roland@redhat.com>
2292 * dwarf_arrayorder.c: Use dwarf_attr_integrate.
2293 * dwarf_srclang.c: Likewise.
2294 * dwarf_decl_file.c: Likewise.
2295 * dwarf_decl_line.c (__libdw_attr_intval): Likewise.
2296 * dwarf_bytesize.c: Likewise.
2297 * dwarf_bitsize.c: Likewise.
2298 * dwarf_bitoffset.c: Likewise.
2300 2009-07-22 Roland McGrath <roland@redhat.com>
2302 * dwarf_frame_cfa.c: Change calling convention.
2303 * libdw.h: Update decl.
2305 * dwarf_frame_register.c: Change calling/return-value convention for
2306 value-only results and undefined/same_value.
2307 * libdw.h: Update decl.
2309 * dwarf_getlocation.c (__libdw_intern_expression): Take new bool
2310 argument, append DW_OP_stack_value if set. Don't take NOPS argument,
2311 return that value instead.
2312 (getlocation): Update caller.
2313 * dwarf_frame_cfa.c: Likewise.
2314 * libdwP.h: Update decl.
2316 2009-07-21 Roland McGrath <roland@redhat.com>
2318 * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list.
2319 Fix loop iteration after skipping a bogus or useless CU.
2321 * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless
2322 absence, not DWARF_E_NO_DEBUG_LINE.
2324 2009-07-20 Roland McGrath <roland@redhat.com>
2326 * dwarf_getlocation.c (__libdw_intern_expression):
2327 Handle DW_OP_stack_value.
2329 2009-07-16 Roland McGrath <roland@redhat.com>
2331 * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset,
2332 reject others when CU's version > 3.
2334 * dwarf_formflag.c: Handle DW_FORM_flag_present.
2336 * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft.
2337 Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type.
2338 Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset,
2339 and DW_AT_const_expr.
2340 Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present,
2341 and DW_FORM_ref_sig8.
2343 2009-07-15 Roland McGrath <roland@redhat.com>
2345 * dwarf_getlocation.c: Grok DW_OP_form_tls_address,
2346 DW_OP_GNU_push_tls_address, and DW_OP_bit_piece.
2348 2009-07-13 Roland McGrath <roland@redhat.com>
2350 * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa.
2352 2009-07-08 Roland McGrath <roland@redhat.com>
2354 * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi,
2357 * libdwP.h (struct Dwarf): Add member `cfi'.
2358 * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it.
2359 * dwarf_getcfi.c: New file.
2360 * dwarf_getcfi_elf.c: New file.
2361 * dwarf_cfi_end.c: New file.
2362 * dwarf_cfi_addrframe.c: New file.
2363 * dwarf_frame_cfa.c: New file.
2364 * dwarf_frame_register.c: New file.
2365 * dwarf_frame_return_address_register.c: New file.
2366 * Makefile.am (libdw_a_SOURCES): Add them.
2367 * unwind.h: Declare those functions.
2368 * libdw.map (ELFUTILS_0.142): Export them.
2370 * dwarf_getlocation.c (__libdw_intern_expression): New function,
2372 (getlocation): ... here, call it.
2373 * libdwP.h: Declare it.
2377 * frame-cache.c: New file.
2380 * encoded-value.h: New file.
2381 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
2382 * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum.
2383 * dwarf_error.c (errmsgs): Add element for it.
2385 * dwarf_next_cfi.c: New file.
2386 * Makefile.am (libdw_a_SOURCES): Add it.
2387 * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types.
2388 Declare dwarf_next_cfi.
2389 * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136.
2392 * memory-access.h [! ALLOW_UNALIGNED]
2393 (read_2ubyte_unaligned): Renamed to ...
2394 (read_2ubyte_unaligned_1): ... this. Take bool rather than Dwarf *.
2395 (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order.
2396 (read_2sbyte_unaligned): Likewise.
2397 (read_4ubyte_unaligned): Likewise.
2398 (read_4sbyte_unaligned): Likewise.
2399 (read_8ubyte_unaligned): Likewise.
2400 (read_8sbyte_unaligned): Likewise.
2402 * libdwP.h (IDX_eh_frame): Remove it.
2403 * dwarf_begin_elf.c (dwarf_scnnames): Remove its element.
2405 2009-07-08 Roland McGrath <roland@redhat.com>
2407 * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better.
2409 * dwarf_getlocation.c (check_constant_offset): New function.
2410 (dwarf_getlocation, dwarf_getlocation_addr): Call it to
2411 handle DW_AT_data_member_location of data[48] as constant offset.
2413 2009-06-18 Roland McGrath <roland@redhat.com>
2415 * libdwP.h (__libdw_read_address_inc): Constify.
2416 (__libdw_read_offset_inc): Likewise.
2417 * dwarf_getaranges.c: Likewise.
2418 * dwarf_getlocation.c: Likewise.
2419 * dwarf_getsrclines.c: Likewise.
2420 * dwarf_nextcu.c: Likewise.
2422 2009-05-05 Petr Machata <pmachata@redhat.com>
2424 * libdwP.h (__libdw_formptr): Declare new function.
2425 * dwarf_formudata.c: Implement it here.
2426 * dwarf_getlocation.c (dwarf_getlocation_addr):
2427 Call it instead of hand-rolled offset handling code.
2428 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
2429 * dwarf_ranges.c (dwarf_ranges): Likewise.
2431 2009-05-04 Petr Machata <pmachata@redhat.com>
2433 * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function.
2434 * dwarf_ranges.c: Implement it here.
2435 (dwarf_ranges): Call it.
2436 * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here.
2438 2009-04-23 Petr Machata <pmachata@redhat.com>
2440 * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead
2441 of read_*ubyte_unaligned.
2442 * dwarf_formref_die.c (dwarf_formref_die): Likewise.
2443 * dwarf_formstring.c (dwarf_formstring): Likewise.
2444 * dwarf_formudate.c (dwarf_formudata): Likewise.
2445 * dwarf_getaranges.c (dwarf_getaranges): Likewise.
2446 * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise.
2447 * dwarf_getpubnames.c (get_offsets): Likewise.
2448 * dwarf_nextcu.c (dwarf_nextcu): Likewise.
2450 2009-04-23 Petr Machata <pmachata@redhat.com>
2452 * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc,
2453 __libdw_read_addr, __libdw_read_off): Add four new internal
2456 2009-05-07 Roland McGrath <roland@redhat.com>
2458 * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in
2459 return value and OFFSET argument, not CU-relative. Only fetch the
2460 attribute data when called with OFFSET of 0.
2462 2009-05-07 Petr Machata <pmachata@redhat.com>
2464 * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in
2465 DW_AT_macro_info attribute of CU DIE.
2467 2009-04-15 Roland McGrath <roland@redhat.com>
2469 * dwarf.h (DW_CIE_ID): Removed.
2470 (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it.
2472 2009-04-01 Roland McGrath <roland@redhat.com>
2474 * dwarf.h: Add DW_CFA_GNU_negative_offset_extended.
2476 2009-01-28 Roland McGrath <roland@redhat.com>
2478 * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s
2479 defn so C++ doesn't scope the name to not match the Dwarf_Line typedef.
2481 * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field.
2483 2009-01-26 Roland McGrath <roland@redhat.com>
2485 * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all.
2487 2009-01-25 Roland McGrath <roland@redhat.com>
2489 * dwarf_getattrs.c: Correctly skip attribute values when restarting.
2491 2009-01-23 Roland McGrath <roland@redhat.com>
2493 * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back.
2494 Put these rules under if MAINTAINER_MODE.
2496 2009-01-22 Roland McGrath <roland@redhat.com>
2498 * dwarf.h: Add DW_OP_GNU_encoded_addr.
2500 2009-01-21 Roland McGrath <roland@redhat.com>
2502 * Makefile.am (CLEANFILES): Renamed to ...
2503 (MOSTLYCLEANFILES): ... here.
2504 (CLEANFILES): New variable, add known-dwarf.h.
2506 2009-01-17 Roland McGrath <roland@redhat.com>
2508 * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir).
2509 Make it unconditional.
2510 (BUILT_SOURCES): Updated.
2512 * dwarf.h: Add description comments for DW_LANG_* values.
2514 * Makefile.am [MAINTAINER_MODE]
2515 ($(srcdir)/known-dwarf.h): New target.
2516 (BUILT_SOURCES): Add it.
2518 * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit.
2520 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2522 * dwarf_error.c: Always use __thread. Remove all !USE_TLS code.
2524 2009-01-08 Roland McGrath <roland@redhat.com>
2526 * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in.
2528 2008-01-06 Roland McGrath <roland@redhat.com>
2530 * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool.
2532 * dwarf_haschildren.c: Return -1 for error case, not 0.
2534 * Makefile.am (libdw.so): Link in $(zip_LIBS).
2536 2009-01-06 Ulrich Drepper <drepper@redhat.com>
2538 * dwarf.h: Add definition for unwind and call frame information.
2540 * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned,
2541 read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc.
2543 2008-08-15 Roland McGrath <roland@redhat.com>
2545 * libdw.map (ELFUTILS_0.136): New version set, inherits from
2546 ELFUTILS_0.130. Add dwfl_addrsegment, dwfl_report_segment.
2548 2008-01-21 Ulrich Drepper <drepper@redhat.com>
2550 * dwarf_child.c: Minor optimizations.
2551 * dwarf_getattrs.c: Likewise.
2552 * dwarf_getpubnames.c: Likewise.
2553 * dwarf_siblingof.c: Likewise.
2554 * dwarf_tag.c: Likewise.
2556 2008-01-18 Ulrich Drepper <drepper@redhat.com>
2558 * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match
2559 of DWARF_VERSION comparison, just fail if the file's version is newer.
2561 2008-01-17 Nick Clifton <nickc@redhat.com>
2563 * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define.
2564 (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define.
2565 (DWARF3_LENGTH_64_BIT): New define.
2566 * dwarf_getaranges (dwarf_getaranges): Use the new definitions.
2567 * dwarf_getpubnames: Include dwarf.h.
2568 (get_offsets): Use the new definitions.
2569 * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions.
2570 * dwarf_nextcu.c: Include dwarf.h. Correct comment.
2571 (dwarf_nextcu): Use the new definitions.
2573 * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro.
2574 * dwarf_diecu.c (dwarf_diecu): Use the new macro.
2575 * dwarf_getaranges (dwarf_getaranges): Use the new macro.
2576 * dwarf_nextcu.c (dwarf_nextcu): Use the new macro.
2578 * dwarf_getpubnames (get_offsets): Replace assertion with test and
2581 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE.
2583 * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer.
2584 Set the address in the return structure to the address of the next
2585 non-sibling die, if there is no sibling and the return pointer is
2586 not the same as the die pointer.
2587 * libdw.h: Expand the description of the dwarf_siblingof prototype.
2589 * dwarf_child.c: Fix typo in comment.
2591 * libdwP.h (DWARF_VERSION): Change to 3.
2593 * dwarf_formref.c (__libdw_formref.c): Handle attributes which do
2594 not have a initialised valp pointer.
2596 * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when
2597 the end of the attributes is reached. When the callback fails,
2598 return the address of the failing attribute, not the address of
2600 * libdw.h: Expand the description of the dwarf_getattrs prototype.
2602 * dwarf_child.c (__libdw_find_attr): Use the new definition.
2603 (dwarf_child): Likewise.
2604 * dwarf_tag.c (__libdw_findabbrev): Likewise.
2605 (dwarf_tag): Likewise.
2607 2008-01-08 Roland McGrath <roland@redhat.com>
2609 * Makefile.am (euinclude): Variable removed.
2610 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2611 (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir).
2613 2007-10-17 Roland McGrath <roland@redhat.com>
2615 * libdw.h (__deprecated_attribute__): New macro.
2616 (dwarf_formref): Mark it deprecated.
2617 * dwarf_formref.c (__libdw_formref): New function, broken out of ...
2618 (dwarf_formref): ... here. Call it. Remove INTDEF.
2619 * libdwP.h: Remove INTDECL.
2620 Declare __libdw_formref.
2621 * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead.
2622 * dwarf_formref_die.c: Likewise. Handle DW_FORM_ref_addr here.
2624 * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result,
2625 needs to check CU->version.
2627 * libdwP.h (struct Dwarf_CU): New member `version'.
2628 * libdw_findcu.c (__libdw_findcu): Initialize it.
2630 * dwarf_child.c: Return 1 for null entry as first child.
2632 2007-10-05 Roland McGrath <roland@redhat.com>
2634 * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections.
2636 * libdw.h (__extern_inline): Rename to __libdw_extern_inline.
2637 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses.
2639 2007-10-03 Roland McGrath <roland@redhat.com>
2641 * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf
2642 and dwfl_build_id_find_debuginfo.
2644 * libdw.map (ELFUTILS_0.130): New version set, inherits from
2645 ELFUTILS_0.127. Add dwfl_module_build_id, dwfl_module_report_build_id.
2647 2007-10-02 Roland McGrath <roland@redhat.com>
2649 * libdw_visit_scopes.c (classify_die): Return walk for class_type and
2652 2007-08-07 Roland McGrath <roland@redhat.com>
2654 * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when
2655 error code is DWARF_E_NOERROR (0).
2657 * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune.
2658 Fix typo in __libdw_visit_scopes argument.
2660 * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return,
2661 swallow DWARF_E_NO_DEBUG_RANGES but not other errors.
2663 2007-07-03 Roland McGrath <roland@redhat.com>
2665 * libdw.h (__extern_inline): New macro.
2666 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it.
2668 2007-04-16 Roland McGrath <roland@redhat.com>
2670 * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section.
2672 2007-04-05 Roland McGrath <roland@redhat.com>
2674 * dwarf_getsrcdirs.c: New file.
2675 * Makefile.am (libdw_a_SOURCES): Add it.
2676 * libdw.h: Declare dwarf_getsrcdirs.
2677 * libdw.map (ELFUTILS_0.127): Add it.
2679 * libdwP.h (struct Dwarf_Files_s): New member ndirs.
2680 * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to
2681 zero before we use it to check for DWARF_E_INVALID_DIR_IDX.
2682 Save DIRARRAY in the Dwarf_Files.
2684 * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN
2685 address to check for all-ones base address entry. Check directly.
2686 Reported by Sébastien Dugué <sebastien.dugue@bull.net>.
2688 2007-03-25 Roland McGrath <roland@redhat.com>
2690 * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void.
2691 Return NULL when freeing RESULT on error.
2692 (global_read, scngrp_read): Check return value from check_section,
2693 break out of loop after it has freed RESULT.
2694 (valid_p): Handle null argument.
2696 2007-03-12 Roland McGrath <roland@redhat.com>
2698 * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add.
2700 2007-03-04 Roland McGrath <roland@redhat.com>
2702 * libdw.map (ELFUTILS_0.127): New version set, inherits from
2703 ELFUTILS_0.126. Add dwfl_module_addrsym.
2705 2007-02-10 Roland McGrath <roland@redhat.com>
2707 * dwarf.h (DW_OP_fbreg): Comment fix.
2709 2007-02-03 Roland McGrath <roland@redhat.com>
2711 * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf.
2712 * libdw.map (ELFUTILS_0.126): New version set, inherits from
2713 ELFUTILS_0.122. Move dwarf_getelf there; it was never truly
2714 exported in the past.
2716 2006-12-17 Roland McGrath <roland@redhat.com>
2718 * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base
2719 address when the CU is missing attributes due to buggy GCC.
2721 2006-08-29 Roland McGrath <roland@redhat.com>
2723 * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION).
2725 * libdw.h (dwarf_diecu): Add __nonnull_attribute__.
2726 (dwarf_child): Don't list arg 1 in __nonnull_attribute__.
2728 * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure
2729 result is aligned. Adjust NEWP->remaining here for this allocation.
2730 * libdwP.h: Update decl.
2731 (libdw_alloc): Update caller.
2733 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2735 * dwarf_child.c: Adjust for internal_function_def removal.
2736 * dwarf_getabbrev.c: Likewise.
2737 * dwarf_tag.c: Likewise.
2738 * libdw_form.c: Likewise.
2739 * memory-access.c: Likewise.
2741 2006-06-28 Roland McGrath <roland@redhat.com>
2743 * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir.
2745 * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and
2748 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2750 * libdw.h: Add extern "C".
2752 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2754 * dwarf_getaranges.c (dwarf_getaranges): Handle files without
2755 aranges information.
2757 2006-05-21 Ulrich Drepper <drepper@redhat.com>
2759 * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs,
2762 2006-02-28 Roland McGrath <roland@redhat.com>
2764 * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*,
2765 DW_OP_* values, to match DWARF 3.0. Add new DW_DS_*, DW_END_*
2766 values from DWARF 3.0.
2768 2006-02-22 Roland McGrath <roland@redhat.com>
2770 * libdw.map: Bump to 0.120; export dwfl_version.
2772 2005-12-22 Roland McGrath <roland@redhat.com>
2774 * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report.
2776 2005-12-12 Roland McGrath <roland@redhat.com>
2778 * dwarf_ranges.c: Copy CU base address-finding code from
2781 2005-12-09 Roland McGrath <roland@redhat.com>
2783 * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys.
2784 Delay CU base lookup until it's needed.
2785 If CU base lookup fails with no error, flag invalid DWARF.
2787 2005-11-25 Roland McGrath <roland@redhat.com>
2789 * libdw.map: Bump to 0.118; export dwfl_module_register_names.
2791 2005-11-15 Roland McGrath <roland@redhat.com>
2793 * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic.
2795 2005-11-13 Roland McGrath <roland@redhat.com>
2797 * libdw.map: Bump to 0.117; export dwfl_module_return_value_location.
2799 2005-10-27 Roland McGrath <roland@redhat.com>
2801 * dwarf_entry_breakpoints.c (search_range): Fix binary search code;
2802 don't match end_sequence markers.
2804 * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers
2805 before normal records at the same address.
2806 * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence
2809 2005-10-26 Roland McGrath <roland@redhat.com>
2811 * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func.
2812 * dwarf_func_file.c: Renamed to ...
2813 * dwarf_decl_file.c: ... here.
2814 * dwarf_func_col.c: Renamed to ...
2815 * dwarf_decl_column.c: ... here.
2816 * dwarf_func_line.c: Renamed to ...
2817 * dwarf_decl_line.c: ... here.
2818 (dwarf_func_line): Renamed to ...
2819 (dwarf_decl_line): ... this. Take a Dwarf_Die * argument.
2820 (__libdw_func_intval): Renamed __libdw_attr_intval.
2821 * dwarf_func_name.c: File removed.
2822 * dwarf_func_lowpc.c: File removed.
2823 * dwarf_func_highpc.c: File removed.
2824 * dwarf_func_entrypc.c: File removed.
2825 * dwarf_func_die.c: File removed.
2826 * Makefile.am (libdw_a_SOURCES): Updated.
2827 * libdw.h: Update decls.
2828 (Dwarf_Func): Type removed.
2829 * libdwP.h: Update decls.
2830 (struct Dwarf_Func_s): Type removed.
2831 * libdw.map: Updated.
2833 * libdwP.h (CUDIE): New macro.
2834 * dwarf_getlocation.c (dwarf_getlocation_addr): Use it.
2835 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
2836 * dwarf_ranges.c (dwarf_ranges): Likewise.
2838 * dwarf_getloclist.c: Renamed to ...
2839 * dwarf_getlocation.c: ... here.
2840 (getloclist): Renamed to getlocation.
2841 (dwarf_getloclist): Renamed to dwarf_getlocation.
2842 (dwarf_addrloclists): Renamed to dwarf_getlocation_addr.
2843 * Makefile.am (libdw_a_SOURCES): Updated.
2844 * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation.
2845 (dwarf_addrloclists): Renamed dwarf_getlocation_addr.
2846 (Dwarf_Loc): Renamed Dwarf_Op.
2847 * libdwP.h (struct loc_s): Update use.
2848 * libdw.map: Update map.
2850 * dwarf_entry_breakpoints.c: Use the second line record within the
2851 function, regardless of its source location data.
2853 2005-10-25 Roland McGrath <roland@redhat.com>
2855 * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too.
2857 * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints.
2859 2005-10-14 Roland McGrath <roland@redhat.com>
2861 * dwarf_diecu.c (dwarf_diecu): New file.
2862 * Makefile.am (libdw_a_SOURCES): Add it.
2863 * libdw.h: Declare dwarf_diecu.
2864 * libdw.map: Export it.
2866 * libdw.map: Bump to 0.116; export dwarf_ranges.
2868 2005-09-20 Roland McGrath <roland@redhat.com>
2870 * dwarf_haspc.c: Use dwarf_ranges.
2871 * dwarf_entry_breakpoints.c: Likewise.
2873 * dwarf_ranges.c: New file.
2874 * Makefile.am (libdw_a_SOURCES): Add it.
2875 * libdw.h: Declare dwarf_ranges.
2876 * libdwP.h: Add INTDECL.
2878 2005-09-14 Roland McGrath <roland@redhat.com>
2880 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in
2881 prologue_end marker scanning loop.
2883 2005-09-11 Roland McGrath <roland@redhat.com>
2885 * dwarf.h: Comment typo fix.
2887 2005-09-07 Roland McGrath <roland@redhat.com>
2889 * dwarf_entry_breakpoints.c: New file.
2890 * Makefile.am (libdw_a_SOURCES): Add it.
2891 * libdw.h: Declare dwarf_entry_breakpoints.
2893 * dwarf_entrypc.c: New file.
2894 * Makefile.am (libdw_a_SOURCES): Add it.
2895 * libdw.h: Declare dwarf_entrypc.
2896 * libdwP.h: Add INTDECL.
2898 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2900 * Makefile.am: Use $(LINK) not $(CC) when creating DSO.
2901 (%.os): Use COMPILE.os.
2902 (COMPILE.os): Filter out gconv options.
2904 2005-08-27 Roland McGrath <roland@redhat.com>
2906 * dwarf_getscopes.c (dwarf_getscopes): Rewritten using
2907 __libdw_visit_scopes.
2909 * dwarf_getscopes_die.c: New file.
2910 * Makefile.am (libdw_a_SOURCES): Add it.
2911 * libdw.h: Declare dwarf_getscopes_die.
2912 * libdw.map: Bump to 0.115 and add it.
2914 * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct
2915 containing a DIE and its parent pointer, instead of just Dwarf_Die.
2916 Take two functions for both preorder and postorder visitors.
2917 * libdwP.h: Update decl.
2918 (struct Dwarf_Die_Chain): New type.
2919 * dwarf_func_inline.c: Update uses.
2921 * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate.
2923 * libdwP.h: Add INTDECL.
2924 * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename.
2926 2005-08-23 Roland McGrath <roland@redhat.com>
2928 * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat
2929 DW_AT_specification the same as DW_AT_abstract_origin.
2931 2005-08-20 Roland McGrath <roland@redhat.com>
2933 * libdw.map: Add dwfl_cumodule, remove dwfl_linecu.
2934 Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address,
2935 and dwfl_report_offline.
2937 2005-08-19 Roland McGrath <roland@redhat.com>
2939 * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes.
2940 Add dwfl_module_relocate_address, dwfl_module_relocations,
2941 dwfl_module_relocation_info.
2943 2005-08-18 Roland McGrath <roland@redhat.com>
2945 * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as
2946 outermost scope in the results.
2948 2005-08-15 Roland McGrath <roland@redhat.com>
2950 * dwarf_func_inline.c: New file.
2951 * Makefile.am (libdw_a_SOURCES): Add it.
2952 * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances.
2953 * libdw.map: Add them.
2955 * dwarf_func_die.c: New file.
2956 * Makefile.am (libdw_a_SOURCES): Add it.
2957 * libdw.h: Declare dwarf_func_die.
2958 * libdw.map: Add it. Bump version to ELFUTILS_0.114.
2960 2005-08-10 Ulrich Drepper <drepper@redhat.com>
2962 * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming
2963 of DW_LNS_set_epilog_begin.
2965 2005-08-09 Roland McGrath <roland@redhat.com>
2967 * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin.
2969 * dwarf_end.c: Add INTDEF.
2970 * dwarf_error.c (dwarf_errmsg): Likewise.
2971 * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs.
2973 2005-08-01 Roland McGrath <roland@redhat.com>
2975 * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset.
2976 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2978 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2980 * Makefile.am (libdw.so): No need to link with libeu.a anymore.
2981 (libdw_a_LIBADD): Add all files from libdwfl.a.
2983 2005-07-27 Roland McGrath <roland@redhat.com>
2985 * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in,
2986 along with ../libebl/libebl.a and ../lib/libeu.a;
2987 depend on ../libelf/libelf.so.
2988 (libdw_so_LDADD): New variable.
2989 * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map.
2991 * libdw.map: Define an empty base version and move all symbols to
2992 version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet.
2994 2005-07-23 Ulrich Drepper <drepper@redhat.com>
2996 * dwarf_error.c: Add internal alias for dwarf_errno.
2997 * libdwP.h: Declare __dwarf_errno_internal.
2998 * dwarf_getloclist.c: Use INTDEF for dwarf_errno.
3000 * dwarf_error.c [USE_TLS]: Actually use __thread in definition of
3003 2005-06-01 Roland McGrath <roland@redhat.com>
3005 * dwarf_getaranges.c (dwarf_getaranges): Sort result array.
3006 * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search.
3008 2005-06-08 Roland McGrath <roland@redhat.com>
3010 * memory-access.h (get_uleb128_step, get_uleb128): Remove casts.
3011 (get_sleb128_step, get_sleb128): Likewise.
3012 * dwarf_getattrs.c (dwarf_getattrs): Add consts.
3013 * dwarf_getloclist.c (getloclist): Likewise.
3014 * dwarf_formblock.c (dwarf_formblock): Likewise.
3015 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
3016 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
3017 * dwarf_formref.c (dwarf_formref): Likewise.
3018 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
3019 * dwarf_formudata.c (dwarf_formudata): Likewise.
3020 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
3021 * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise.
3022 * dwarf_tag.c (dwarf_tag): Likewise.
3023 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
3024 * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise.
3025 * libdw_form.c (__libdw_form_val_len): Likewise.
3026 * libdwP.h: Update decl.
3028 2005-06-04 Roland McGrath <roland@redhat.com>
3030 * memory-access.h (get_uleb128_rest_return): New macro.
3031 [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it.
3032 (get_sleb128_rest_return): New macro.
3033 [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it.
3034 * memory-access.c: New file.
3035 * Makefile.am (libdw_a_SOURCES): Add it.
3036 (DEFS): Add -DIS_LIBDW.
3038 2005-05-31 Roland McGrath <roland@redhat.com>
3040 * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to
3043 2005-05-30 Roland McGrath <roland@redhat.com>
3045 * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base
3046 address if DW_AT_low_pc is missing. Not to spec, but GCC generates it.
3048 * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte
3049 BEGIN value. Instead, match base address entries separately for
3052 2005-05-28 Roland McGrath <roland@redhat.com>
3054 * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance
3055 past location expression contents.
3057 2005-05-23 Roland McGrath <roland@redhat.com>
3059 * dwarf_getsrclines.c: Comment typo fix.
3061 * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation.
3062 * dwarf_getloclist.c (dwarf_addrloclists): Likewise.
3064 2005-05-22 Ulrich Drepper <drepper@redhat.com>
3066 * libdwP.h: Only use INTDECL for alias prototypes.
3068 2005-05-19 Roland McGrath <roland@redhat.com>
3070 * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too.
3072 * dwarf_getscopevar.c: New file.
3073 * Makefile.am (libdw_a_SOURCES): Add it.
3074 * libdw.h: Declare dwarf_getscopevar.
3076 * dwarf_getsrcfiles.c: Add INTDEF.
3077 * dwarf_haschildren.c: Likewise.
3078 * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL.
3080 * dwarf_getscopes.c: New file.
3081 * Makefile.am (libdw_a_SOURCES): Add it.
3082 * libdw.h: Declare dwarf_getscopes.
3083 * libdw.map: Add it.
3085 2005-05-18 Roland McGrath <roland@redhat.com>
3087 * libdwP.h (IDX_debug_ranges): New enum constant.
3088 * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges".
3089 * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant.
3090 * dwarf_error.c (errmsgs): Add it.
3091 * dwarf_haspc.c: New file.
3092 * libdw.h: Declare dwarf_haspc.
3093 * libdw.map: Add it.
3094 * libdwP.h: Add INTDECL.
3096 * dwarf_attr_integrate.c: New file.
3097 * dwarf_hasattr_integrate.c: New file.
3098 * Makefile.am (libdw_a_SOURCES): Add them.
3099 * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate.
3100 * libdw.map: Add them.
3102 * dwarf_hasattr.c: Add INTDEF.
3103 * libdwP.h: Add INTDECL for it.
3105 * dwarf_formref_die.c: New file.
3106 * Makefile.am (libdw_a_SOURCES): Add it.
3107 * libdw.h (dwarf_formref_die): Declare it.
3108 * libdwP.h (dwarf_formref_die): Add INTDECL.
3109 * libdw.map: Add it.
3111 * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out
3113 (dwarf_getloclist): ... here. Call them.
3114 (dwarf_addrloclists): New function.
3115 * libdw.h: Declare it.
3116 * libdw.map: Add it.
3118 * dwarf_getmacros.c (dwarf_getmacros): Don't bail at
3119 DW_MACINFO_end_file. Recognize type 0 as terminator.
3121 2005-05-05 Roland McGrath <roland@redhat.com>
3123 * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search.
3125 * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since
3126 the line program does not produce all entries in ascending order.
3128 2005-04-25 Ulrich Drepper <drepper@redhat.com>
3130 * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple
3131 occurences (e.g., inlines) better.
3133 2005-04-24 Ulrich Drepper <drepper@redhat.com>
3135 * libdw.h (DWARF_END_ABBREV): Define.
3136 * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if
3138 * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end
3140 * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV
3141 as error of __libdw_getabbrev.
3143 2005-04-04 Ulrich Drepper <drepper@redhat.com>
3145 * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization.
3147 * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of
3148 results back to caller.
3150 2005-04-04 Roland McGrath <roland@redhat.com>
3152 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL.
3154 * dwarf_func_line.c (__libdw_func_intval): Use internal_function in
3157 2005-04-04 Ulrich Drepper <drepper@redhat.com>
3159 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE.
3161 * dwarf_getsrc_file.c: New file.
3162 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c.
3163 * libdw.h: Declare dwarf_getsrc_file.
3164 * libdw.map: Add dwarf_getsrc_file.
3166 2005-04-02 Ulrich Drepper <drepper@redhat.com>
3168 * dwarf_func_entrypc.c: New file.
3169 * dwarf_func_col.c: New file.
3170 * dwarf_func_line.c: New file.
3171 * dwarf_func_file.c: New file.
3172 * libdw.h: Add prototypes for new functions.
3173 * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line,
3175 * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c,
3176 dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c.
3177 * libdwP.h (struct Dwarf_Func_s): Add cudie element.
3178 Declare __libdw_func_intval and __dwarf_formsdata_internal.
3179 * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object.
3180 * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs.
3182 * dwarf.h: Add some DWARF3 definitions.
3184 2005-04-01 Ulrich Drepper <drepper@redhat.com>
3186 * dwarf_getfuncs.c: New file.
3187 * dwarf_func_highpc.c: New file.
3188 * dwarf_func_lowpc.c: New file.
3189 * dwarf_func_name.c: New file.
3190 * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c,
3191 dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c.
3192 * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc,
3193 and dwarf_func_name.
3194 * libdw.h: Add prototypes for new functions.
3195 * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs.
3196 * dwarf_siblingof.c: Likewise.
3197 * dwarf_dieoffset.c: Likewise.
3198 * dwarf_highpc.c: Likewise.
3199 * dwarf_lowpc.c: Likewise.
3200 * libdwP.h: Add prototypes for internal functions.
3201 Define Dwarf_Func_s structure.
3203 2005-03-29 Ulrich Drepper <drepper@redhat.com>
3205 * libdw.h: Add padding in Dwarf_die.
3207 * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs.
3208 * dwarf_attr.c: Likewise.
3209 * dwarf_begin.c: Likewise.
3210 * dwarf_begin_elf.c: Likewise.
3211 * dwarf_bitoffset.c: Likewise.
3212 * dwarf_bitsize.c: Likewise.
3213 * dwarf_bytesize.c: Likewise.
3214 * dwarf_diename.c: Likewise.
3215 * dwarf_formaddr.c: Likewise.
3216 * dwarf_formblock.c: Likewise.
3217 * dwarf_formref.c: Likewise.
3218 * dwarf_formstring.c: Likewise.
3219 * dwarf_formudata.c: Likewise.
3220 * dwarf_getarange_addr.c: Likewise.
3221 * dwarf_getarangeinfo.c: Likewise.
3222 * dwarf_getaranges.c: Likewise.
3223 * dwarf_getloclist.c: Likewise.
3224 * dwarf_getmacros.c: Likewise.
3225 * dwarf_getsrc_die.c: Likewise.
3226 * dwarf_getsrcfiles.c: Likewise.
3227 * dwarf_getsrclines.c: Likewise.
3228 * dwarf_highpc.c: Likewise.
3229 * dwarf_lowpc.c: Likewise.
3230 * dwarf_nextcu.c: Likewise.
3231 * dwarf_offdie.c: Likewise.
3232 * dwarf_siblingof.c: Likewise.
3233 * dwarf_srclang.c: Likewise.
3234 * dwarf_tag.c: Likewise.
3235 * libdw_findcu.c: Likewise.
3236 * libdwP.h: Add prototypes for internal functions.
3238 * dwarf_addrdie.c: New file.
3239 * dwarf_macro_opcode.c: New file.
3240 * dwarf_macro_param1.c: New file.
3241 * dwarf_macro_param2.c: New file.
3242 * libdw.h: Add declarations. Move Dwarf_Macro definition to libdwP.h.
3243 * libdwP.h: Remove Dwarf_Macro definition.
3244 * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c,
3245 dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c.
3246 * libdw.map: Add entries for new functions.
3248 2005-03-21 Ulrich Drepper <drepper@redhat.com>
3250 * libdw.h: Handle broken gcc < 4.
3252 2005-02-15 Ulrich Drepper <drepper@redhat.com>
3254 * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
3256 * dwarf_begin_elf.c: Fix warnings.
3257 * dwarf_dieoffset.c: Likewise.
3258 * dwarf_end.c: Likewise.
3259 * dwarf_error.c: Likewise.
3260 * dwarf_getpubnames.c: Likewise.
3262 * libdwP.h: Add new error values.
3263 * dwarf_error.c: Support new error values.
3264 * dwarf_getpubnames.c: Check parameter value.
3266 2005-02-05 Ulrich Drepper <drepper@redhat.com>
3268 * Makefile.am: Check for text relocations in constructed DSO.
3270 * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap.
3272 2005-02-04 Ulrich Drepper <drepper@redhat.com>
3274 * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary
3275 checks to not read over buffer boundaries for ill-formed DWARF data.
3277 2004-09-25 Ulrich Drepper <drepper@redhat.com>
3279 * dwarf_child.c: Make compile with gcc 4.0.
3280 * dwarf_error.c: Likewise.
3281 * dwarf_formblock.c: Likewise.
3282 * dwarf_getabbrev.c: Likewise.
3283 * dwarf_getattrs.c: Likewise.
3284 * dwarf_getsrclines.c: Likewise.
3285 * dwarf_tag.c: Likewise.
3286 * libdw_form.c: Likewise.
3288 2004-01-20 Ulrich Drepper <drepper@redhat.com>
3290 * Makefile.am: Support building with mudflap.
3292 * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out.
3293 * dwarf_getsrclines.c: Likewise.
3294 * dwarf_memory-access.h: Likewise.
3296 2004-01-19 Ulrich Drepper <drepper@redhat.com>
3298 * dwarf_getsrcfiles.c: Third parameter can be NULL.
3300 * libdw.h: Define Dwarf_macro. Declare dwarf_getmacros.
3301 Third parameter of dwarf_getsrcfiles can be NULL.
3303 * libdw.map: Add dwarf_getmacros.
3304 * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros.
3305 * dwarf_getmacros.c: New file.
3307 2004-01-18 Ulrich Drepper <drepper@redhat.com>
3309 * libdw.h: Second parameter of dwarf_getaranges can be NULL.
3311 * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL.
3313 * dwarf_getsrclines.c:
3314 Use read_2ubyte_unaligned_inc instead of _inc-less variant.
3316 * dwarf_getaranges.c: Allow naranges parameter to be NULL.
3318 * libdwP.h (_): Use elfutils domain.
3320 * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction.
3322 * dwarf_getsrclines.c: Fix typo in comment.
3324 2004-01-17 Ulrich Drepper <drepper@redhat.com>
3326 * Makefile.am: Support building with mudflap.
3328 2004-01-16 Ulrich Drepper <drepper@redhat.com>
3330 * memory-access.h: Add lots of const in case a pointer passed is const.
3332 * dwarf_formflag.c: New file.
3333 * dwarf_getattrs.c: New file.
3334 * dwarf_error.c: Add new error value.
3335 * libdw.h: Add prototypes for new functions. Adjust prototype for
3337 * libdw.map: Add new functions.
3338 * dwarf_getpubnames.c: Change type of return value and fourth parameter
3340 * libdwP.h: Add new error value.
3341 * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and
3344 * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL.
3346 2004-01-12 Ulrich Drepper <drepper@redhat.com>
3348 * dwarf_getarange_addr.c: New file
3349 * dwarf_getarangeinfo.c: New file.
3350 * dwarf_getaranges.c: New file.
3351 * dwarf_onerange.c: New file.
3352 * libdw.h: Declare new functions. Define Dwarf_Arange and
3354 * libdw.map: Add new functions.
3355 * libdwP.h: Add new errors. Add aranges member to struct Dwarf.
3356 Define Dwarf_Aranges_s and Dwarf_Arange_s.
3357 * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c,
3358 dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c.
3359 * dwarf_error.c: Add new message.
3361 2004-01-11 Ulrich Drepper <drepper@redhat.com>
3363 * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c,
3364 dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c,
3365 dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c.
3366 * dwarf_error.c: Add another message.
3367 * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines
3369 * dwarf_filesrc.c: Likewise.
3370 * dwarf_getsrcfiles.c: Likewise.
3371 * dwarf_getsrclines.c: Likewise.
3372 * dwarf_lineaddr.c: New file.
3373 * dwarf_linebeginstatement.c: New file.
3374 * dwarf_lineblock.c: New file.
3375 * dwarf_linecol.c: New file.
3376 * dwarf_lineendsequence.c: New file.
3377 * dwarf_lineepiloguebegin.c: New file.
3378 * dwarf_lineno.c: New file.
3379 * dwarf_lineprologueend.c: New file.
3380 * dwarf_onesrcline.c: New file.
3381 * dwarf_lineno.c: Change interface to store result in object pointed
3382 to by second parameter.
3383 * libdw.h: Add prototypes for new functions. Change dwarf_lineno
3384 prototype. Define Dwarf_Files and Dwarf_Lines.
3385 * libdw.map: Add new functions.
3386 * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s.
3387 * libdw_findcu.c: Don't initialize nlines field.
3389 * dwarf_siblingof: Little optimization.
3391 * dwarf_begin.c: Remember that the ELF descriptor must be closed.
3392 * dwarf_end.c: Close ELF descriptor if free_elf is set.
3393 * libdwP.h (struct Dwarf): Add free_elf field.
3395 * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and
3397 * dwarf_getstring.c: New file.
3398 * dwarf_offabbrev.c: New file.
3399 * libdw.map: Add dwarf_getstring and dwarf_offabbrev.
3400 * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result
3401 parameters. Don't allocate memory if not necessary and don't lookup
3402 previous results if no CU given.
3403 (dwarf_getabbrev): Adjust call to __libdw_getabbrev.
3404 * dwarf_tag.c: Adjust call to __libdw_getabbrev.
3405 * libdw.h: Declare dwarf_offabbrev and dwarf_getstring.
3406 * libdwP.h: Change prototype for __libdw_getabbrev.
3408 * dwarf_getabbrevattr.c: Add offsetp parameter. Fill in before
3409 returning if this is wanted.
3411 2004-01-09 Ulrich Drepper <drepper@redhat.com>
3413 * dwarf_nextcu.c: Add new parameter offset_sizep. Initialize it
3414 with offset_size value.
3415 * libdw.h: Adjust dwarf_nextcu prototype.
3416 * libdwP.h (struct Dwarf_CU): Add offset_size member.
3417 * libdw_findcu.c: Adjust dwarf_nextcu call. Initialize offset_size
3418 member of new CU struct.
3419 * dwarf_formstring.c: Depend on offset_size not address_size for
3420 DW_FORM_strp handling.
3421 * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr.
3423 * dwarf_tag.c (__libdw_findabbrev): Return correct value for
3425 (dwarf_tag): Correctly recognize failed lookup.
3427 * dwarf_end.c (cu_free): Call tdestroy for locs member. Use new
3429 * dwarf_error.c: Add message for DWARF_E_NO_BLOCK.
3430 * dwarf_formblock.c: New file.
3431 * dwarf_getloclist.c: Rewrite to handle a single block.
3432 * libdw.h: Define Dwarf_Block. Rename Dwarf_Loc members. Remove
3433 Dwarf_Locdesc definition. Declare dwarf_formblock. Remove
3434 dwarf_getloclistent declaration.
3435 * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent.
3436 * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK.
3437 Add locs member to struct Dwarf_CU.
3438 * libdw_fundcu.c: Initialize locs member of new CU.
3439 * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c.
3440 Remove dwarf_getloclistent.c.
3442 2004-01-07 Ulrich Drepper <drepper@redhat.com>
3444 * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3.
3445 * libdwP.h: Likewise.
3447 * dwarf_getloclist.c: New file.
3448 * dwarf_getloclistent.c: New file.
3449 * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc.
3450 Declare dwarf_getloclistent and dwarf_getloclist.
3451 * libdw.map: Add dwarf_getloclistent and dwarf_getloclist.
3452 * libdwP.h: Define DWARF_E_NO_LOCLIST.
3453 * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and
3456 * dwarf_error.c: More error messages.
3458 2004-01-06 Ulrich Drepper <drepper@redhat.com>
3460 * dwarf_getsrclines.c: Remove debugging support.
3462 * dwarf_getsrcfiles.c: New file.
3463 * dwarf_filesrc.c: New file.
3464 * libdw.h: Declare these functions. Define Dwarf_File.
3465 * libdwP.c: Adjust Dwarf_File_s definition.
3466 * libdw.map: Add these functions.
3467 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and
3469 * dwarf_getsrclines.c: Initialize cu->files.
3471 2004-01-05 Ulrich Drepper <drepper@redhat.com>
3473 * libdw.h: Add more nonnull function attributes.
3475 * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next.
3476 * dwarf_end.c (cu_free): New function.
3477 (dwarf_end): Also free CU tree. Correct freeing of memory blocks.
3478 * dwarf_error.c (errmsgs): Add new messages.
3479 * dwarf_getsrc_die.c: New file.
3480 * dwarf_getsrclines.c: New file.
3481 * dwarf_lineno.c: New file.
3482 * dwarf_linesrc.c: New file.
3483 * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc
3484 instead of the *_inc-less variants.
3485 * libdw.h: Define Dwarf_Line. Add some function attributes. Declare
3486 dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc.
3487 * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno,
3489 * libdwP.h: Add more error codes.
3490 (struct Dwarf): Remove mem_tail.next member.
3491 (Dwarf_File): Define type.
3492 (struct Dwarf_Line_s): Define type.
3493 (struct Dwarf_CU): Add lines and nlines members.
3494 (libdw_alloc): Define local variable _tail and use it.
3495 Add some function attributes.
3496 * libdw_alloc.c (__libdw_allocate): Don't initialize next member.
3497 * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members.
3498 * memory-access.h: Add unlikely for the endian conversion paths.
3499 * Makefile.am (AM_CFLAGS): Add -std parameter.
3500 (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die,
3501 dwarf_lineno, and dwarf_linesrc.
3503 2003-08-11 Ulrich Drepper <drepper@redhat.com>
3505 * Moved to CVS archive.