libdw: Fix overflow in read_encoded_value for the DW_EH_PE_indirect case.
[platform/upstream/elfutils.git] / libdw / ChangeLog
1 2015-05-27  Mark Wielaard  <mjw@redhat.com>
2
3         * encoded-value.h (read_encoded_value): Check data d_size contains
4         at least enough data to hold a pointer for DW_EH_PE_indirect.
5
6 2015-05-22  Mark Wielaard  <mjw@redhat.com>
7
8         * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines
9         with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with
10         MAX_STACK_DIRS. Calculate number of dirs needed first, then
11         create dirarray directly, without needing the next field. Free
12         not stack allocated lines and files at the end.
13
14 2015-05-19  Mark Wielaard <mjw@redhat.com>
15
16         * dwarf_getlocation.c (__libdw_intern_expression): Create a stack
17         allocated array to hold locs. Allocate locs bigger than the array
18         with malloc and free them when done.
19
20 2015-05-11  Jonathan Lebon  <jlebon@redhat.com>
21
22         * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator.
23         * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message.
24         * dwarf_begin_elf.c (inflate_section): New static function, lifted
25         from...
26         (check_section): ... here. Call inflate_section, set libdw errno to
27         DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated.
28
29 2015-05-11  Jonathan Lebon  <jlebon@redhat.com>
30
31         * dwarf_begin_elf.c (check_section): Add compressed flag. Always
32         check for .zdebug sections. Only wrap decompression in #if USE_ZLIB.
33
34 2015-05-06  Mark Wielaard  <mjw@redhat.com>
35
36         * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and
37         check the line number.
38
39 2015-05-05  Mark Wielaard  <mjw@redhat.com>
40
41         * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data
42         left before reading values.
43
44 2015-05-04  Anthony G. Basile  <blueness@gentoo.org>
45
46         * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link
47         command.
48
49 2015-04-22  Mark Wielaard  <mjw@redhat.com>
50
51         * memory-access.h (__libdw_max_len_leb128): Take type_len as argument.
52         (__libdw_max_len_uleb128): New function.
53         (__libdw_max_len_sleb128): Likewise.
54         (__libdw_get_uleb128): Use __libdw_max_len_uleb128.
55         (__libdw_get_sleb128): Use __libdw_max_len_sleb128.
56
57 2015-04-21  Mark Wielaard  <mjw@redhat.com>
58
59         * dwarf_getmacros.c (read_macros): Allocate attributes dynamically
60         when there are more than 8.
61
62 2015-04-01  Petr Machata  <pmachata@redhat.com>
63
64         * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator.
65         (is_cudie): New function.
66         * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE.
67         * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead
68         of white-listing valid tags.
69         * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
70
71 2015-03-18  Petr Machata  <pmachata@redhat.com>
72
73         * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h.
74         (EXTRA_DIST): Remove known-dwarf.h.
75
76 2015-02-09  Mark Wielaard  <mjw@redhat.com>
77
78         * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08.
79         * dwarf_aggregate_size.c (array_size): Recognize array lower bound
80         for new Fortran language codes is 1.
81
82 2015-02-09  Mark Wielaard  <mjw@redhat.com>
83
84         * dwarf.h: Add DW_TAG_atomic_type.
85         * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type.
86         * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type.
87
88 2015-02-11  Josh Stone  <jistone@redhat.com>
89
90         * encoded-value.h (read_encoded_value): Initialize value.
91
92 2015-02-11  Petr Machata  <pmachata@redhat.com>
93
94         * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither
95         DW_AT_entry_pc nor DW_AT_low_pc are available.  Instead remember
96         the fact in *BASEP and bail out later if it hasn't been updated by
97         __libdw_read_begin_end_pair_inc.
98
99 2014-12-24  Mark Wielaard  <mjw@redhat.com>
100
101         * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record
102         smaller than or equal to addr, rather than returning immediately on
103         a match.
104
105 2015-01-07  Mark Wielaard  <mjw@redhat.com>
106
107         * cfi.h (struct Dwarf_CFI_s): Add search_table_len.
108         * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough
109         room in the search table for all entries. Store search_table_len.
110         (getcfi_scn_eh_frame): Likewise.
111         * encoded-value.h (encoded_value_size): Don't abort, return zero.
112         (__libdw_cfi_read_address_inc): Check there is enough room to read
113         values. Pass other byte order to read functions.
114         (read_encoded_value): Check encoded_value_size. Don't abort, but
115         set libdw errno and report failure. Check there is enough room to
116         read values.
117         * fde.c (binary_search_fde): Check encoded value size. Add hdr
118         data buf and size to dummy_cfi.
119
120 2015-01-04  Mark Wielaard  <mjw@redhat.com>
121
122         * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute
123         is after current DIE.
124
125 2015-01-04  Mark Wielaard  <mjw@redhat.com>
126
127         * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof
128         (dwarf_frame_register).
129
130 2015-01-02  Mark Wielaard  <mjw@redhat.com>
131
132         * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check.
133         (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL.
134         (getcfi_scn_eh_frame): Check d_buf is not NULL.
135
136 2015-01-02  Mark Wielaard  <mjw@redhat.com>
137
138         * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not
139         NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For
140         DW_OP_addr if dbg is NULL then read argument directly.
141
142 2015-01-14  Jason P. Leasure <jpleasu@super.org>
143
144         * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset
145         plus cu->start.
146
147 2014-12-27  Mark Wielaard  <mjw@redhat.com>
148
149         * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset
150         still falls inside CU data.
151
152 2015-01-11  Mark Wielaard  <mjw@redhat.com>
153
154         * dwarf_func_inline.c (dwarf_func_inline_instances): Call
155         __libdw_visit_scopes with NULL imports.
156         * dwarf_getfuncs.c (dwarf_getfuncs): Likewise.
157         * dwarf_getscopes.c (pc_record): Likewise.
158         (dwarf_getscopes): Likewise.
159         * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
160         * libdwP.h (__libdw_visit_scopes): Add imports argument.
161         * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new
162         function imports_contains. Push and pop imports around walk_children
163         when processing DW_TAG_imported_unit.
164
165 2014-12-18  Ulrich Drepper  <drepper@gmail.com>
166
167         * Makefile.am: Suppress output of textrel_check command.
168
169 2014-12-16  Mark Wielaard  <mjw@redhat.com>
170
171         * dwarf_getsrclines.c (read_srclines): Check diridx is valid under
172         DW_LNE_define_file.
173
174 2014-12-16  Mark Wielaard  <mjw@redhat.com>
175
176         * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough
177         space to read die offset.
178
179 2014-12-16  Mark Wielaard  <mjw@redhat.com>
180
181         * dwarf_getsrclines.c (read_srclines): Correct overflow check for
182         unit_length.
183
184 2014-12-15  Mark Wielaard  <mjw@redhat.com>
185
186         * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside
187         section data. Set error to DWARF_E_NO_ENTRY if cnt is zero.
188         (dwarf_getpubnames): Make sure section data contains string zero
189         terminator.
190
191 2014-12-16  Mark Wielaard  <mjw@redhat.com>
192
193         * memory-access.h (__libdw_get_sleb128): Unroll the first step to help
194         the compiler optimize for the common single-byte case.
195
196 2014-12-15  Josh Stone  <jistone@redhat.com>
197
198         * memory-access.h (__libdw_max_len_leb128): New.
199         (__libdw_get_uleb128): Use __libdw_max_len_leb128.
200         (__libdw_get_sleb128): Likewise.
201
202 2014-12-14  Mark Wielaard  <mjw@redhat.com>
203
204         * cfi.c (execute_cfi): Add program bounds checks.
205         * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks.
206         * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp.
207         * dwarf_formref.c (__libdw_formref): Add datap bounds checks.
208         * dwarf_formsdata.c (dwarf_formsdata): Likewise.
209         * dwarf_formudata.c (dwarf_formudata): Likewise.
210         * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128
211         with end of data buf.
212         * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks.
213         * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128
214         call gets enough data.
215         * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp.
216         * dwarf_getlocation.c (store_implicit_value): Call get_uleb128
217         with enough data.
218         (__libdw_intern_expression): Call get_uleb128/get_sleb128 with
219         end_data.
220         * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check.
221         * dwarf_getsrclines.c (read_srclines): Bounds check linep and call
222         get_uleb128 with lineendp.
223         * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call
224         get_uleb128 with endp.
225         * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call
226         get_uleb128/get_sleb128 with limit.
227         * encoded-value.h (read_encoded_value): Assume get_uleb128 and
228         get_sleb128 get called with enough data.
229         * fde.c (intern_fde): Call get_uleb128 with instructions_end.
230         * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp.
231         * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with
232         endp.
233         * memory-access.h (__libdw_get_uleb128): Take an extra endp.
234         Don't call get_uleb128_step if out of data.
235         (__libdw_get_sleb128): Likewise for get_sleb128_step.
236
237 2014-12-12  Mark Wielaard  <mjw@redhat.com>
238
239         * libdwP.h (struct Dwarf): Add fake_loc_cu.
240         (cu_data): Removed.
241         (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx.
242         (__libdw_form_val_compute_len): Drop dbg and endp arguments.
243         (__libdw_form_val_len): Likewise.
244         * libdw_form.c (__libdw_form_val_compute_len): Likewise.
245         * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use
246         the already found data buffer directly.
247         * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu.
248         * dwarf_end.c (dwarf_end): Free fake_loc_cu.
249         * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with
250         just cu.
251         * dwarf_getattrs.c (dwarf_getattrs): Likewise.
252         * dwarf_formblock.c (dwarf_formblock): Add bounds checking.
253         * dwarf_getlocation_attr.c (attr_form_cu): New function.
254         (dwarf_getlocation_attr): Use attr_form_cu to set result->cu.
255         (getlocation): Handle empty blocks immediately.
256         * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var.
257         (__libdw_empty_loc_attr): Drop cu argument, use empty_cu.
258         (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with
259         one argument.
260         * dwarf_getmacros.c (read_macros): Also setup startp and endp for
261         fake_cu. Call __libdw_form_val_len with just fake_cu.
262         * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get
263         datap and size directly from cu startp and endp.
264
265 2014-12-11  Mark Wielaard  <mjw@redhat.com>
266
267         * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset.
268
269 2014-12-13  Mark Wielaard  <mjw@redhat.com>
270
271         * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr
272         difference doesn't wrap around before returning as int.
273
274 2014-12-11  Josh Stone  <jistone@redhat.com>
275
276         * dwarf_getsrclines.c (struct linelist): Add sequence.
277         (compare_lines): Take linelists, and break ties by sequence.
278         (read_srclines): Use linelists for sorting.
279         (read_srclines::add_new_line): Set sequence.
280
281 2014-12-10  Josh Stone  <jistone@redhat.com>
282
283         * libdwP.h (Dwarf_CU): Add startp and endp boundaries.
284         * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp.
285         * dwarf_child.c (dwarf_child): Use cu->endp.
286         * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp.
287         * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp.
288         * dwarf_siblingof.c (dwarf_siblingof): Use both.
289
290 2014-12-10  Josh Stone  <jistone@redhat.com>
291
292         * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence.
293
294 2014-12-10  Josh Stone  <jistone@redhat.com>
295
296         * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function.
297         * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it.
298         * dwarf_getattrs.c (dwarf_getattrs): Likewise.
299         * dwarf_haschildren.c (dwarf_haschildren): Likewise.
300         * dwarf_tag.c (dwarf_tag): Likewise.
301
302 2014-12-04  Mark Wielaard  <mjw@redhat.com>
303
304         * libdwP.h (__libdw_form_val_compute_len): Add endp argument.
305         (__libdw_form_val_len): Likewise and check len doesn't overflow.
306         * libdw_form.c (__libdw_form_val_compute_len): Likewise.
307         * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len
308         with endp.
309         * dwarf_getattrs.c (dwarf_getattrs): Likewise.
310         * dwarf_getmacros.c (read_macros): Likewise and check for errors.
311
312 2014-12-02  Petr Machata  <pmachata@redhat.com>
313
314         * dwarf_getmacros.c (token_from_offset, offset_from_token): New
315         helper functions.
316         (do_dwarf_getmacros_die): Merge into dwarf_getmacros.
317         * libdw.h (DWARF_GETMACROS_START): New macro.
318
319 2014-11-27  Mark Wielaard  <mjw@redhat.com>
320
321         * Makefile.am (libdw.so): Use textrel_check.
322
323 2014-11-27  Mark Wielaard  <mjw@redhat.com>
324
325         * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize
326         search_table_entries and search_table_encoding.
327
328 2014-11-24  Mark Wielaard  <mjw@redhat.com>
329
330         * dwarf_getsrclines.c (read_srclines): Check line_range is not zero
331         before usage.
332
333 2014-11-23  Mark Wielaard  <mjw@redhat.com>
334
335         * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value.
336         * dwarf_hasattr.c (dwarf_hasattr): Likewise.
337         * dwarf_siblingof.c (dwarf_siblingof): Likewise.
338
339 2014-11-23  Mark Wielaard  <mjw@redhat.com>
340
341         * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF.
342         Set libdw errno and return NULL.
343
344 2014-11-24  Mark Wielaard  <mjw@redhat.com>
345
346         * dwarf.h (DW_LANG_C_plus_plus_11): Added.
347         (DW_LANG_C11): Likewise.
348         (DW_LANG_C_plus_plus_14): Likewise.
349         * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11,
350         DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go
351         lower bound.
352         * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for
353         DW_LANG_C11.
354
355 2014-11-26  Mark Wielaard  <mjw@redhat.com>
356
357         * dwarf.h (DW_AT_noreturn): Added.
358
359 2014-11-11  Mark Wielaard  <mjw@redhat.com>
360
361         * dwarf_getsrclines.c (read_srclines): Do address_size comparison
362         explicitly as uint8_t.
363         (__libdw_getsrclines): Add internal_function to declaration.
364
365 2014-09-10  Petr Machata  <pmachata@redhat.com>
366
367         * dwarf_macro_getparamcnt.c: New file.
368         * dwarf_macro_param.c: New file.
369         * dwarf_macro_getsrcfiles.c: New file.
370         * Makefile.am (libdw_a_SOURCES): Add the new files.
371         * libdwP.h (struct files_lines_s): New structure.
372         (DWARF_E_INVALID_OPCODE): New enumerator.
373         (struct Dwarf): New fields macro_ops, files_lines.
374         (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for
375         keeping macro opcode prototypes in.
376         (Dwarf_Macro_s): Redefine from scratch.
377         (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New
378         internal interfaces.
379         * dwarf_error.c (errmsgs): Add a message for
380         DWARF_E_INVALID_OPCODE.
381         * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and
382         files_lines.
383         * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt)
384         (dwarf_macro_getsrcfiles, dwarf_macro_param): New public
385         interfaces.
386         * dwarf_getmacros.c (dwarf_getmacros_off): New function,
387         (get_offset_from, macro_op_compare, build_table)
388         (init_macinfo_table, get_macinfo_table, get_table_for_offset)
389         (cache_op_table, read_macros, gnu_macros_getmacros_off)
390         (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper
391         functions.
392         (dwarf_getmacros): Adjust to dispatch to the new interfaces.
393         * dwarf_getsrclines.c (read_srclines): New function with guts
394         taken from dwarf_getsrclines.
395         (__libdw_getsrclines): Likewise.
396         (__libdw_getcompdir, files_lines_compare): New functions.
397         (dwarf_getsrclines): Make it dispatch to the new interfaces.
398         * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to
399         the new interfaces.
400         * dwarf_macro_param2.c (dwarf_macro_param2): Likewise.
401         * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off,
402         dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param.
403
404 2014-10-06  Mark Wielaard  <mjw@redhat.com>
405
406         * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c.
407         * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type.
408         (aggregate_size): Likewise. Add old and new version.
409         * dwarf_peel_type.c: New file.
410         * libdw.h (dwarf_peel_type): New function declaration.
411         * libdwP.h (dwarf_peel_type): New internal declaration.
412         * libdw.map (ELFUTILS_0.161): New section.
413
414 2014-10-15  Petr Machata  <pmachata@redhat.com>
415
416         * libdwP.h (struct Dwarf_Files_s.cu): Drop field.
417         * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it.
418
419 2014-10-05  Mark Wielaard  <mjw@redhat.com>
420
421         * dwarf.h: Add DW_AT_GNU_deleted.
422
423 2014-10-02  Mark Wielaard  <mjw@redhat.com>
424
425         * dwarf_aggregate_size.c (aggregate_size): Return CU address_size
426         for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or
427         DW_TAG_rvalue_reference_type.
428
429 2014-09-12  Petr Machata  <pmachata@redhat.com>
430
431         * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and
432         8-byte quantities.  Consequently, rename to...
433         (read_addr_unaligned_inc): ... this.
434         (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop.
435         (read_sbyte_unaligned): Drop.
436
437 2014-09-10  Petr Machata  <pmachata@redhat.com>
438
439         * dwarf_getlocation.c (attr_ok): Also accept
440         DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
441         DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered.
442
443 2014-08-15  Mark Wielaard  <mjw@redhat.com>
444
445         * dwarf_cu_die.c: New file.
446         * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c.
447         * libdw.h (dwarf_cu_die): New function declaration.
448         * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die.
449
450 2014-08-15  Mark Wielaard  <mjw@redhat.com>
451
452         * dwarf_cu_getdwarf.c: New file.
453         * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c.
454         * libdw.h (Dwarf_CU): New typedef.
455         (dwarf_cu_getdwarf): New function declaration.
456         * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf.
457
458 2014-06-18  Mark Wielaard  <mjw@redhat.com>
459
460         * dwarf.h: Remove DW_TAG_mutable_type.
461
462 2014-05-02  Mark Wielaard  <mjw@redhat.com>
463
464         * libdwP.h (__check_build_id): Removed now unused.
465
466 2014-05-01  Mark Wielaard  <mjw@redhat.com>
467
468         * libdwP.h (struct Dwarf): Remove free_alt.
469         * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf.
470         * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt.
471
472 2014-04-30  Mark Wielaard  <mjw@redhat.com>
473
474         * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id.
475
476 2014-04-15  Florian Weimer  <fweimer@redhat.com>
477
478         * dwarf_begin_elf.c (__check_build_id, try_debugaltlink)
479         (open_debugaltlink): Move to libdwfl.
480         (check_section): Do not locate alternate debuginfo.
481
482 2014-04-24  Florian Weimer  <fweimer@redhat.com>
483
484         * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink.
485
486 2014-04-22  Florian Weimer  <fweimer@redhat.com>
487
488         * dwarf_getalt.c, dwarf_setalt.c: New files.
489         * Makefile.am (libdw_a_SOURCES): Add them.
490         * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations.
491         * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function
492         declarations.
493         * libdw.map (ELFUTILS_0.159): Export the two new functions.
494
495 2014-04-15  Florian Weimer  <fweimer@redhat.com>
496
497         * libdwP.h (enum IDX_gnu_debugaltlink): New.
498         * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add
499         .gnu_debugaltlink.
500         (check_section): Obtain .gnu_debugaltlink section from the
501         setiondata array.
502
503 2014-04-11  Mark Wielaard  <mjw@redhat.com>
504
505         * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink.
506         * Makefile.am (libdw.so): Depend on libdwelf_pic.a.
507         (libdwelf_objects): New variable.
508         (libdw_a_LIBADD): Add libdwelf objects.
509
510 2014-04-22  Mark Wielaard  <mjw@redhat.com>
511
512         * memory-access.h (get_sleb128_step): Remove undefined behavior
513         of left shifting a signed value. Replace it with a multiplication.
514
515 2014-04-13  Mark Wielaard  <mjw@redhat.com>
516
517         * Makefile.am: Remove !MUDFLAP conditions.
518
519 2014-04-09  Mark Wielaard  <mjw@redhat.com>
520
521         * dwarf_begin_elf.c (check_section): Check for unsigned overflow
522         before calling malloc to uncompress data.
523
524 2014-03-03  Jan Kratochvil  <jan.kratochvil@redhat.com>
525
526         Fix abort() on missing section headers.
527         * dwarf_begin_elf.c (check_section): Replace abort call by goto err.
528         New label err to return NULL.
529
530 2014-02-05  Josh Stone  <jistone@redhat.com>
531
532         * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned.
533         * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as
534         unsigned.  Change the range assert to DWARF_E_INVALID_DWARF.
535
536 2013-12-30  Mark Wielaard  <mjw@redhat.com>
537
538         * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and
539         dwfl_linux_proc_attach.
540
541 2013-12-20  Mark Wielaard  <mjw@redhat.com>
542
543         * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames.
544
545 2013-12-18  Mark Wielaard  <mjw@redhat.com>
546
547         * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and
548         dwfl_module_getsym_elf. Add dwfl_module_addrinfo and
549         dwfl_module_getsym_info.
550
551 2013-12-16  Mark Wielaard  <mjw@redhat.com>
552
553         * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global.
554
555 2013-12-10  Josh Stone  <jistone@redhat.com>
556
557         * memory-access.h (get_uleb128_rest_return): Removed.
558         (get_sleb128_rest_return): Removed.
559         (get_uleb128_step): Make this a self-contained block.
560         (get_sleb128_step): Ditto, and use a bitfield to extend signs.
561         (get_uleb128): Make this wholly implemented by __libdw_get_uleb128.
562         (get_sleb128): Make this wholly implemented by __libdw_get_sleb128.
563         (__libdw_get_uleb128): Simplify and inline for all callers.
564         (__libdw_get_sleb128): Ditto.
565         * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128.
566         * memory-access.c: Delete file.
567         * Makefile.am (libdw_a_SOURCES): Remove it.
568         (DEFS): Remove the now unused -DIS_LIBDW.
569
570 2013-12-09  Josh Stone  <jistone@redhat.com>
571
572         * libdw_form.c (__libdw_form_val_compute_len): Renamed function from
573         __libdw_form_val_len, now handling only non-constant form lengths.
574         * libdwP.h (__libdw_form_val_len): New inlined function.
575
576 2013-12-09  Mark Wielaard  <mjw@redhat.com>
577
578         * dwarf_getlocation.c (__libdw_intern_expression): Handle empty
579         location expressions.
580         * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no
581         location found, return empty location expression.
582         * dwarf_getlocation_implicit_pointer.c
583         (dwarf_getlocation_implicit_pointer): Likewise.
584         (__libdw_empty_loc_attr): New internal function.
585         * libdwP.h (__libdw_empty_loc_attr): Define.
586
587 2013-11-27  Mark Wielaard  <mjw@redhat.com>
588
589         * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and
590         dwfl_module_getsym_elf.
591
592 2013-11-26  Mark Wielaard  <mjw@redhat.com>
593
594         * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid,
595         dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
596         dwfl_thread_state_registers, dwfl_thread_state_register_pc,
597         dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ...
598         (ELFUTILS_0.158): ... here.
599
600 2013-11-09  Mark Wielaard  <mjw@redhat.com>
601
602         * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and
603         check that it is zero.
604
605 2013-11-07  Jan Kratochvil  <jan.kratochvil@redhat.com>
606
607         * cfi.h (struct Dwarf_Frame_s): Make the comment more specific.
608         * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid,
609         dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
610         dwfl_thread_state_registers, dwfl_thread_state_register_pc,
611         dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc.
612
613 2013-11-01  Michael Forney  <mforney@mforney.org>
614
615         * Makefile.am (libdwfl_objects): New definition.
616         (libdw_a_LIBADD): Use libdwfl_objects.
617
618 2013-11-01  Michael Forney  <mforney@mforney.org>
619
620         * Makefile.am: Use READELF.
621
622 2013-10-30  Jan Kratochvil  <jan.kratochvil@redhat.com>
623
624         * libdw.map (ELFUTILS_0.158): New.
625
626 2013-10-10  Mark Wielaard  <mjw@redhat.com>
627
628         * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to
629         start_addr and rename last_offset to last_addr. Now both void *.
630         (tree_visitor): Use start_add and die_addr instead of start_offset
631         and die_offset.
632         (dwarf_getfuncs): Use last_addr instead of last_offset.
633
634 2013-10-06  Mark Wielaard  <mjw@redhat.com>
635
636         * cfi.c (execute_cfi): Make sure DW_CFA_expression and
637         DW_CFA_val_expression are not used with abi_cfi.
638
639 2013-10-03  Josh Stone  <jistone@redhat.com>
640
641         * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here.
642         * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits
643         a unit, make sure to always hash the sig8 here, so none are missed.
644
645 2013-09-29  Mark Wielaard  <mjw@redhat.com>
646
647         * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to
648         uintptr_t before casting to char *.
649         (__libdw_intern_expression): Cast data to uintptr_t before casting
650         to Dwarf_Word.
651         * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast
652         op->number2 to uintptr_t before casting to char *.
653
654 2013-09-24  Josh Stone  <jistone@redhat.com>
655
656         * libdw_visit_scopes.c (classify_die): Removed.
657         (may_have_scopes): New function to replace classify_die.  There's no
658         need for full classification; just find tags that may contain scopes.
659         (__libdw_visit_scopes): Use a direct tag comparison for imported
660         units, and use may_have_scopes to test if recursion is needed.
661
662 2013-09-20  Mark Wielaard  <mjw@redhat.com>
663
664         * dwarf_getfuncs.c (visitor_info): New struct.
665         (tree_visitor): New function.
666         (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor.
667         * libdw.h (dwarf_getfuncs): Expand function documentation.
668
669 2013-09-12  Mark Wielaard  <mjw@redhat.com>
670
671         * fde.c (intern_fde): Free fde and set libdw errno when start
672         or end could not be read.
673
674 2013-08-24  Mark Wielaard  <mjw@redhat.com>
675
676         * dwarf_getlocation.c (store_implicit_value): Don't take data
677         as argument, get block data from op number2. Return false when
678         block data length and op number don't match up.
679         (__libdw_intern_expression): Store start of block for
680         DW_OP_implicit_value and DW_OP_GNU_entry_value instead of
681         relative data offset. Also store block start (including length)
682         for DW_OP_GNU_const_type. Don't pass data to store_implicit_value.
683         * dwarf_getlocation_attr.c: New file.
684         * dwarf_getlocation_die.c: Likewise.
685         * libdw.h (dwarf_getlocation_die): New function definition.
686         (dwarf_getlocation_attr): Likewise.
687         * libdwP.h: Declare internal dwarf_getlocation_die.
688         * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and
689         dwarf_getlocation_attr.
690         * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and
691         dwarf_getlocation_attr.c.
692
693 2013-08-23  Mark Wielaard  <mjw@redhat.com>
694
695         * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment.
696         (attr_base_address): New function.
697         (initial_offset_base): New function.
698         (getlocations_addr): New function. Taken from...
699         (dwarf_getlocation_addr): here. Use new initial_offset_base and
700         getlocations_addr.
701         (dwarf_getlocations): New function.
702         * libdw.h (dwarf_getlocations): New function definition.
703         * libdw.map (ELFUTILS_0.157): New.
704
705 2013-07-02  Mark Wielaard  <mjw@redhat.com>
706
707         * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation
708         limit MAX_STACK_ALLOC.  After MAX_STACK_ALLOC lines use malloc in
709         NEW_LINE macro.  Free malloced line records if any at the end.
710
711 2013-07-02  Mark Wielaard  <mjw@redhat.com>
712
713         * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS.
714
715 2013-06-26  Mark Wielaard  <mjw@redhat.com>
716
717         * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root
718         DIEs without children. Return an error whenever dwarf_child or
719         dwarf_siblingof return an error. Don't call recurse and increase
720         the depth for an imported unit. Walk the children of an imported
721         unit as if they are logical children of the parent root DIE.
722
723 2013-05-03  Mark Wielaard  <mjw@redhat.com>
724
725         * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence
726         when nlinelist > 0.
727
728 2013-04-28  Jan Kratochvil  <jan.kratochvil@redhat.com>
729
730         * libdw.map (ELFUTILS_0.156): New.
731
732 2013-04-24  Mark Wielaard  <mjw@redhat.com>
733
734         * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
735
736 2013-04-10  Mark Wielaard  <mjw@redhat.com>
737
738         * dwarf_formref_die.c (dwarf_formref_die): Reference size is only
739         equal to address size when we have a DW_FORM_ref_addr for DWARF
740         version 2.
741
742 2013-03-25  Mark Wielaard  <mjw@redhat.com>
743
744         * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as
745         end_sequence.
746
747 2013-03-12  Mark Wielaard  <mjw@redhat.com>
748
749         * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit.
750         * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
751
752 2013-02-15  Mark Wielaard  <mjw@redhat.com>
753
754         * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata,
755         not dbg->sectiondata.
756
757 2013-01-07  Roland McGrath  <roland@hack.frob.com>
758
759         * memory-access.h
760         [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro.
761         [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function.
762
763 2012-12-18  Mark Wielaard  <mjw@redhat.com>
764
765         * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid.
766         (check_section): Likewise on error.
767         (scngrp_read): Likewise.
768         (dwarf_begin_elf): Likewise.
769
770 2012-10-09  Petr Machata  <pmachata@redhat.com>
771
772         * dwarf_getlocation.c (__libdw_intern_expression): Handle
773         DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret,
774         DW_OP_GNU_regval_type, DW_OP_GNU_entry_value,
775         DW_OP_GNU_deref_type, DW_OP_GNU_const_type.
776
777 2012-10-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
778
779         * cfi.c: New include system.h.
780         (execute_cfi) (enough_registers): Clear new memory after realloc.
781
782 2012-10-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
783
784         * fde.c (__libdw_find_fde): Change <fde != NULL> to likely.  Return
785         DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for
786         searched PC.
787
788 2012-10-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
789
790         * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new
791         loclist element DW_OP_call_frame_cfa before decoding the opcodes.
792         Remove the later DW_OP_call_frame_cfa push to RESULT.
793
794 2012-10-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
795
796         Code cleanup.
797         * fde.c (binary_search_fde): Remove always true <address >= start>
798         conditional.  Move L initialization upwards.
799
800 2012-08-24  Mark Wielaard  <mjw@redhat.com>
801
802         * dwarf_begin_elf.c (check_section): Only probe for dwz multi files
803         when ENABLE_DWZ is defined.
804         * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is
805         defined.
806
807 2012-08-16  Mark Wielaard  <mjw@redhat.com>
808
809         * Makefile.am (EXTRA_DIST): Add known-dwarf.h.
810         * dwarf.h (DW_LANG_Go): Update comment.
811         (DW_LANG_Mips_Assembler): Likewise.
812
813 2012-06-27  Mark Wielaard  <mjw@redhat.com>
814
815         * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt.
816         * dwarf_begin.c (dwarf_begin): Add INTDEF.
817         * dwarf_begin_elf.c (__check_build_id): New internal_function.
818         (try_debugaltlink): New function.
819         (open_debugaltlink): Likewise.
820         (check_section): Try open_debugaltlink for .gnu_debugaltlink.
821         * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if
822         necessary.
823         * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK.
824         * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt
825         is an error here.
826         * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt.
827         * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt.
828         * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset
829         calls.
830         * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call.
831         * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK.
832         (struct Dwarf): Add alt_dwarf and free_alt fields.
833         (__libdw_read_offset): Add dbg_ret argument, use to check with
834         __libdw_offset_in_section.
835         (__check_build_id): New function declaration.
836         (dwarf_begin): Define as INTDECL.
837         * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt
838         and DW_FORM_GNU_strp_alt.
839
840 2012-07-19  Mark Wielaard  <mjw@redhat.com>
841
842         * dwarf.h: Add DW_OP_GNU_parameter_ref.
843
844 2012-07-24  Mark Wielaard  <mjw@redhat.com>
845
846         * dwarf.h: Correct spelling of DW_LANG_ObjC.
847         * dwarf_aggregate_size.c (array_size): Use correct spelling of
848         DW_LANG_ObjC.
849
850 2012-07-24  Mark Wielaard  <mjw@redhat.com>
851
852         * dwarf.h: Add DW_ATE_UTF.
853
854 2012-06-27  Mark Wielaard  <mjw@redhat.com>
855
856         * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings.
857
858 2012-06-26  Mark Wielaard  <mjw@redhat.com>
859
860         * libdwP.h: Add IDX_debug_macro.
861         * dwarf.h: Add DW_AT_GNU_macros.
862         * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro.
863         * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros.
864
865 2012-04-27  Mark Wielaard  <mjw@redhat.com>
866
867         * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being
868         a constant offset from DW_AT_low_pc.
869
870 2012-03-19  Tom Tromey  <tromey@redhat.com>
871
872         * libdw_findcu.c (findcu_cb): Move earlier.
873         (__libdw_intern_next_unit): Add new CU to search tree here...
874         (__libdw_findcu): ... not here.
875
876 2012-01-31  Mark Wielaard  <mjw@redhat.com>
877
878         * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset.
879
880 2011-11-31  Mark Wielaard  <mjw@redhat.com>
881
882         * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk.
883
884 2011-07-14  Mark Wielaard  <mjw@redhat.com>
885
886         * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info.
887
888 2011-05-16  Jakub Jelinek  <jakub@redhat.com>
889
890         * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type,
891         DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret):
892         New.
893
894 2011-04-26  Mark Wielaard  <mjw@redhat.com>
895
896         * dwarf_child (dwarf_child): Sanity check end of section against
897         cu_data () of die->cu.
898
899 2011-03-22  Mark Wielaard  <mjw@redhat.com>
900
901         * dwarf.h: Add DW_TAG_GNU_call_site,
902         DW_TAG_GNU_call_site_parameter,
903         DW_AT_GNU_call_site_value,
904         DW_AT_GNU_call_site_data_value,
905         DW_AT_GNU_call_site_target,
906         DW_AT_GNU_call_site_target_clobbered,
907         DW_AT_GNU_tail_call,
908         DW_AT_GNU_all_tail_call_sites,
909         DW_AT_GNU_all_call_sites,
910         DW_AT_GNU_all_source_call_sites,
911         and DW_OP_GNU_entry_value.
912
913 2011-03-10  Petr Machata  <pmachata@redhat.com>
914
915         * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for
916         abbreviation with code 0.
917
918 2011-03-09  Petr Machata  <pmachata@redhat.com>
919
920         * libdw/dwarf_child.c (dwarf_child): Check for section overrun.
921
922 2011-02-23  Roland McGrath  <roland@redhat.com>
923
924         * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask.
925         Declare __libdw_free_zdata.
926         * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function.
927         (dwarf_end): Call it.
928
929         * dwarf_begin_elf.c (valid_p): Likewise.
930         (check_section, scngrp_read): Likewise.
931         (check_section) [USE_ZLIB]: Grok .z* flavors of sections.
932
933 2010-10-13  Roland McGrath  <roland@redhat.com>
934
935         * dwarf.h: Add DW_LANG_Go.
936
937 2010-10-05  Roland McGrath  <roland@redhat.com>
938
939         * dwarf_getaranges.c: Use malloc rather than alloca,
940         since the total number of elements can be quite huge.
941
942 2010-07-26  Roland McGrath  <roland@redhat.com>
943
944         * dwarf_getlocation_implicit_pointer.c: New file.
945         * Makefile.am (libdw_a_SOURCES): Add it.
946         * libdw.map (ELFUTILS_0.149): New set.
947         Add dwarf_getlocation_implicit_pointer.
948         * libdw.h: Declare it.
949
950         * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global.
951         (dwarf_offdie, dwarf_offdie_types): Update callers.
952         * libdwP.h: Declare it.
953
954         * dwarf.h: Add DW_OP_GNU_implicit_pointer.
955         * dwarf_getlocation.c (__libdw_intern_expression): Handle it.
956
957 2010-08-24  Roland McGrath  <roland@redhat.com>
958
959         * libdw.map (ELFUTILS_0.149): New set.  Add dwfl_dwarf_line.
960
961 2010-07-27  Roland McGrath  <roland@redhat.com>
962
963         * dwarf_formref_die.c: Fix sig8 hash insertion.
964
965 2010-06-23  Roland McGrath  <roland@redhat.com>
966
967         * cfi.c (dwarf_cfi_validate_fde): Function removed.
968         * libdw.h: Remove it.
969         * libdw.map: Likewise.
970
971 2010-06-22  Roland McGrath  <roland@redhat.com>
972
973         * dwarf_getlocation.c (check_constant_offset): data[48] are constant.
974
975         * dwarf_getsrclines.c: Fix signed comparison warning in extended
976         opcode parsing.
977
978 2010-06-21  Roland McGrath  <roland@redhat.com>
979
980         * dwarf.h: Add DW_TAG_GNU_* constants.
981
982         * memory-access.h (get_sleb128_rest_return): Fix sign extension for
983         10-byte case.
984
985 2010-06-20  Roland McGrath  <roland@redhat.com>
986
987         * libdw_findcu.c (__libdw_findcu): Take new flag argument,
988         to search TUs instead of CUs.
989         * libdwP.h: Update decl.
990         (struct Dwarf): New member tu_tree.
991         * dwarf_end.c (dwarf_end): Clean up tu_tree.
992         * dwarf_offdie.c (do_offdie): New function, broken out of ...
993         (dwarf_offdie): ... here.
994         (dwarf_offdie_types): New function.
995         * libdw.h: Declare it.
996         * libdw.map (ELFUTILS_0.148): Add it.
997
998         * libdwP.h (CUDIE): Use cu_data.
999         * dwarf_formblock.c: Likewise.
1000         * dwarf_formref_die.c: Likewise.
1001         * dwarf_diecu.c: Use CUDIE macro.
1002         * dwarf_formaddr.c: Use cu_sec_idx.
1003
1004 2010-06-16  Roland McGrath  <roland@redhat.com>
1005
1006         * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so
1007         we don't repeat a CU lookup we've already done.  Handle
1008         DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit.
1009
1010         * libdw_findcu.c (__libdw_intern_next_unit): New function,
1011         broken out of ...
1012         (__libdw_findcu): ... here.  Call it.
1013         * libdwP.h: Declare it.
1014         (struct Dwarf): New member next_tu_offset.
1015
1016         * dwarf_sig8_hash.c: New file.
1017         * dwarf_sig8_hash.h: New file.
1018         * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1019         * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before
1020         defining NO_UNDEF.
1021         * libdwP.h (struct Dwarf): New member sig8_hash.
1022         * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it.
1023         * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it.
1024
1025         * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ...
1026         (dwarf_nextcu): ... here.  Call it.
1027         * libdw.h: Declare it.
1028         * libdwP.h: Add INTDECL.
1029         * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu.
1030         * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit.
1031
1032         * libdwP.h (cu_sec_idx, cu_data): New functions.
1033         Use .debug_types when CU is a TU.
1034         * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info.
1035         * dwarf_siblingof.c: Likewise.
1036         * dwarf_formstring.c: Likewise.
1037         * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise.
1038         * dwarf_getlocation.c (dwarf_getlocation): Likewise.
1039         (dwarf_getlocation_addr): Likewise.
1040
1041         * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8.
1042         (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute
1043         .debug_types header size instead of .debug_info header size.
1044         (CUDIE): Use it.
1045         * dwarf_diecu.c: Update caller.
1046         * dwarf_getaranges.c: Likewise.
1047         * dwarf_nextcu.c: Likewise.
1048         * libdw_findcu.c (__libdw_findcu): Initialize new members.
1049
1050         * fde.c (fde_by_offset): Renamed to ...
1051         (__libdw_fde_by_offset): ... this, made global and internal_function.
1052         Don't take ADDRESS argument.
1053         (__libdw_find_fde): Update caller.  Do address sanity check here.
1054         * cfi.h: Declare __libdw_fde_by_offset.
1055         * cfi.c (dwarf_cfi_validate_fde): New function.
1056         * libdw.h: Declare it.
1057         * libdw.map (ELFUTILS_0.148): Add it.
1058
1059         * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
1060         either DW_EH_PE_udata8 or DW_EH_PE_udata4.
1061
1062         * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
1063         Don't assume DW_EH_PE_aligned refers to native address size.
1064
1065         * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
1066         address.
1067
1068 2010-06-17  Roland McGrath  <roland@redhat.com>
1069
1070         * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and
1071         op_index.
1072         * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts
1073         into an inner inline function.  Set new fields.  Check all fields for
1074         overflow when setting.
1075         * dwarf_lineisa.c: New file.
1076         * dwarf_linediscriminator.c: New file.
1077         * dwarf_lineop_index.c: New file.
1078         * Makefile.am (libdw_a_SOURCES): Add them.
1079         * libdw.map (ELFUTILS_0.148): Add them.
1080         * libdw.h: Declare them.
1081
1082 2010-06-16  Roland McGrath  <roland@redhat.com>
1083
1084         * dwarf_next_cfi.c: Fix version 4 return_address_register decoding.
1085
1086         * fde.c (fde_by_offset): Renamed to ...
1087         (__libdw_fde_by_offset): ... this, made global and internal_function.
1088         Don't take ADDRESS argument.
1089         (__libdw_find_fde): Update caller.  Do address sanity check here.
1090         * cfi.h: Declare __libdw_fde_by_offset.
1091         * cfi.c (dwarf_cfi_validate_fde): New function.
1092         * libdw.h: Declare it.
1093         * libdw.map (ELFUTILS_0.148): Add it.
1094
1095         * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
1096         either DW_EH_PE_udata8 or DW_EH_PE_udata4.
1097
1098         * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
1099         Don't assume DW_EH_PE_aligned refers to native address size.
1100
1101         * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
1102         address.
1103
1104 2010-06-15  Roland McGrath  <roland@redhat.com>
1105
1106         * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like
1107         DW_FORM_ref_addr.
1108         * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way
1109         here, since we don't support it yet.
1110
1111         * dwarf_next_cfi.c: Handle version 4 format.
1112
1113         * dwarf_getsrclines.c: Handle version 4 format.
1114
1115 2010-06-01  Roland McGrath  <roland@redhat.com>
1116
1117         * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types.
1118         * dwarf_begin_elf.c (dwarf_scnnames): Likewise.
1119
1120         * libdwP.h (CIE_VERSION): Remove unused macro.
1121
1122         * dwarf_getsrclines.c: Fix version field test.
1123         * libdwP.h (DWARF_VERSION): Remove useless macro.
1124
1125         * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling.
1126
1127         * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc.
1128
1129         * libdw_findcu.c (__libdw_findcu): Accept version 4.
1130
1131 2010-05-31  Mark Wielaard  <mjw@redhat.com>
1132
1133         * cfi.h (dwarf_cfi_cie_p): Move definition from here, to ..
1134         * libdw.h (dwarf_cfi_cie_p): ... here.
1135
1136 2010-05-31  Mark Wielaard  <mjw@redhat.com>
1137
1138         * dwarf.h: Fix DW_LANG_Python constant.
1139
1140 2010-05-28  Eduardo Santiago  <santiago@redhat.com>
1141
1142         * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first
1143         thing.
1144
1145 2010-05-27  Roland McGrath  <roland@redhat.com>
1146
1147         * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name,
1148         DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator.
1149
1150 2010-05-08  Roland McGrath  <roland@redhat.com>
1151
1152         * dwarf_getlocation.c (__libdw_intern_expression): Take new argument
1153         REF_SIZE.  Use that to handle DW_OP_call_ref correctly.
1154         (getlocation): Update caller.
1155         * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
1156         * dwarf_frame_register.c (dwarf_frame_register): Likewise.
1157         * libdwP.h: Update decl.
1158
1159 2010-04-26  Roland McGrath  <roland@redhat.com>
1160
1161         * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule.
1162         * cfi.c (execute_cfi): Set that instead of doing cfi_assert for
1163         DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force.
1164         * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid.
1165
1166         * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP.
1167         Prepend DW_OP_call_frame_cfa if true.
1168         (getlocation): Update caller.
1169         * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
1170         * dwarf_frame_register.c (dwarf_frame_register): Likewise.
1171         * libdwP.h: Update decl.
1172
1173 2010-04-22  Roland McGrath  <roland@redhat.com>
1174
1175         * cfi.c (execute_cfi): Never return without cleanup.
1176         Free FS on failure.
1177         (cie_cache_initial_state): Adjust caller to expect that free.
1178         (__libdw_frame_at_address): Likewise.
1179
1180 2010-03-10  Roland McGrath  <roland@redhat.com>
1181
1182         * libdw.map (ELFUTILS_0.146): New set.  Add dwfl_core_file_report.
1183
1184 2010-02-15  Roland McGrath  <roland@redhat.com>
1185
1186         * Makefile.am: Use config/eu.am for common stuff.
1187
1188 2010-02-02  Mark Wielaard  <mjw@redhat.com>
1189
1190         * fde.c (intern_fde): Fix length check for sized_augmentation_data.
1191
1192 2010-01-07  Roland McGrath  <roland@redhat.com>
1193
1194         * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum.
1195
1196 2010-01-05  Roland McGrath  <roland@redhat.com>
1197
1198         * dwarf_aggregate_size.c: New file.
1199         * Makefile.am (libdw_a_SOURCES): Add it.
1200         * libdw.h: Declare it.
1201         * libdwP.h: Add INTDECL.
1202         * libdw.map (ELFUTILS_0.144): New set.  Add dwarf_aggregate_size.
1203
1204         * dwarf_srclang.c: Add INTDEF.
1205         * libdwP.h: Add INTDECL.
1206
1207         * dwarf.h: Add some more DW_AT_GNU_* types from gcc.
1208
1209         * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name.
1210
1211 2009-11-21  Roland McGrath  <roland@redhat.com>
1212
1213         * dwarf_getlocation.c (check_constant_offset): Return 1 for all
1214         non-constant forms.
1215
1216 2009-10-15  Roland McGrath  <roland@redhat.com>
1217
1218         * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset,
1219         DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8.
1220
1221 2009-09-17  Roland McGrath  <roland@redhat.com>
1222
1223         * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP
1224         argument a pointer to const.
1225         * libdw.h: Update decl.
1226
1227 2009-09-10  Roland McGrath  <roland@redhat.com>
1228
1229         * dwarf_getlocation.c (store_implicit_value): New function.
1230         (__libdw_intern_expression): Use it, handle DW_OP_implicit_value.
1231         (dwarf_getlocation_implicit_value): New function.
1232         * libdw.h: Declare it.
1233         * libdw.map (ELFUTILS_0.143): Add it.
1234
1235 2009-09-09  Mark Wielaard  <mjw@redhat.com>
1236
1237         * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl.
1238
1239 2009-08-21  Josh Stone  <jistone@redhat.com>
1240
1241         * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too.
1242
1243 2009-08-10  Roland McGrath  <roland@redhat.com>
1244
1245         * dwarf_getscopevar.c: Use dwarf_diename.
1246
1247 2009-08-09  Roland McGrath  <roland@redhat.com>
1248
1249         * libdw.map (ELFUTILS_0.143): New version set,
1250         inherits from ELFUTILS_0.142.
1251         * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an
1252         alias in the ELFUTILS_0.122 version set and the default in the new set.
1253         * dwarf_srclang.c: Likewise.
1254         * dwarf_decl_file.c: Likewise.
1255         * dwarf_decl_line.c: Likewise.
1256         * dwarf_decl_column.c: Likewise.
1257         * dwarf_bytesize.c: Likewise.
1258         * dwarf_bitsize.c: Likewise.
1259         * dwarf_bitoffset.c: Likewise.
1260
1261 2009-08-07  Roland McGrath  <roland@redhat.com>
1262
1263         * dwarf_arrayorder.c: Use dwarf_attr_integrate.
1264         * dwarf_srclang.c: Likewise.
1265         * dwarf_decl_file.c: Likewise.
1266         * dwarf_decl_line.c (__libdw_attr_intval): Likewise.
1267         * dwarf_bytesize.c: Likewise.
1268         * dwarf_bitsize.c: Likewise.
1269         * dwarf_bitoffset.c: Likewise.
1270
1271 2009-07-22  Roland McGrath  <roland@redhat.com>
1272
1273         * dwarf_frame_cfa.c: Change calling convention.
1274         * libdw.h: Update decl.
1275
1276         * dwarf_frame_register.c: Change calling/return-value convention for
1277         value-only results and undefined/same_value.
1278         * libdw.h: Update decl.
1279
1280         * dwarf_getlocation.c (__libdw_intern_expression): Take new bool
1281         argument, append DW_OP_stack_value if set.  Don't take NOPS argument,
1282         return that value instead.
1283         (getlocation): Update caller.
1284         * dwarf_frame_cfa.c: Likewise.
1285         * libdwP.h: Update decl.
1286
1287 2009-07-21  Roland McGrath  <roland@redhat.com>
1288
1289         * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list.
1290         Fix loop iteration after skipping a bogus or useless CU.
1291
1292         * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless
1293         absence, not DWARF_E_NO_DEBUG_LINE.
1294
1295 2009-07-20  Roland McGrath  <roland@redhat.com>
1296
1297         * dwarf_getlocation.c (__libdw_intern_expression):
1298         Handle DW_OP_stack_value.
1299
1300 2009-07-16  Roland McGrath  <roland@redhat.com>
1301
1302         * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset,
1303         reject others when CU's version > 3.
1304
1305         * dwarf_formflag.c: Handle DW_FORM_flag_present.
1306
1307         * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft.
1308         Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type.
1309         Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset,
1310         and DW_AT_const_expr.
1311         Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present,
1312         and DW_FORM_ref_sig8.
1313
1314 2009-07-15  Roland McGrath  <roland@redhat.com>
1315
1316         * dwarf_getlocation.c: Grok DW_OP_form_tls_address,
1317         DW_OP_GNU_push_tls_address, and DW_OP_bit_piece.
1318
1319 2009-07-13  Roland McGrath  <roland@redhat.com>
1320
1321         * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa.
1322
1323 2009-07-08  Roland McGrath  <roland@redhat.com>
1324
1325         * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi,
1326         dwfl_module_eh_cfi.
1327
1328         * libdwP.h (struct Dwarf): Add member `cfi'.
1329         * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it.
1330         * dwarf_getcfi.c: New file.
1331         * dwarf_getcfi_elf.c: New file.
1332         * dwarf_cfi_end.c: New file.
1333         * dwarf_cfi_addrframe.c: New file.
1334         * dwarf_frame_cfa.c: New file.
1335         * dwarf_frame_register.c: New file.
1336         * dwarf_frame_return_address_register.c: New file.
1337         * Makefile.am (libdw_a_SOURCES): Add them.
1338         * unwind.h: Declare those functions.
1339         * libdw.map (ELFUTILS_0.142): Export them.
1340
1341         * dwarf_getlocation.c (__libdw_intern_expression): New function,
1342         broken out of ...
1343         (getlocation): ... here, call it.
1344         * libdwP.h: Declare it.
1345
1346         * cie.c: New file.
1347         * fde.c: New file.
1348         * frame-cache.c: New file.
1349         * cfi.c: New file.
1350         * cfi.h: New file.
1351         * encoded-value.h: New file.
1352         * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1353         * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum.
1354         * dwarf_error.c (errmsgs): Add element for it.
1355
1356         * dwarf_next_cfi.c: New file.
1357         * Makefile.am (libdw_a_SOURCES): Add it.
1358         * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types.
1359         Declare dwarf_next_cfi.
1360         * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136.
1361         Add dwarf_next_cfi.
1362
1363         * memory-access.h [! ALLOW_UNALIGNED]
1364         (read_2ubyte_unaligned): Renamed to ...
1365         (read_2ubyte_unaligned_1): ... this.  Take bool rather than Dwarf *.
1366         (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order.
1367         (read_2sbyte_unaligned): Likewise.
1368         (read_4ubyte_unaligned): Likewise.
1369         (read_4sbyte_unaligned): Likewise.
1370         (read_8ubyte_unaligned): Likewise.
1371         (read_8sbyte_unaligned): Likewise.
1372
1373         * libdwP.h (IDX_eh_frame): Remove it.
1374         * dwarf_begin_elf.c (dwarf_scnnames): Remove its element.
1375
1376 2009-07-08  Roland McGrath  <roland@redhat.com>
1377
1378         * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better.
1379
1380         * dwarf_getlocation.c (check_constant_offset): New function.
1381         (dwarf_getlocation, dwarf_getlocation_addr): Call it to
1382         handle DW_AT_data_member_location of data[48] as constant offset.
1383
1384 2009-06-18  Roland McGrath  <roland@redhat.com>
1385
1386         * libdwP.h (__libdw_read_address_inc): Constify.
1387         (__libdw_read_offset_inc): Likewise.
1388         * dwarf_getaranges.c: Likewise.
1389         * dwarf_getlocation.c: Likewise.
1390         * dwarf_getsrclines.c: Likewise.
1391         * dwarf_nextcu.c: Likewise.
1392
1393 2009-05-05  Petr Machata  <pmachata@redhat.com>
1394
1395         * libdwP.h (__libdw_formptr): Declare new function.
1396         * dwarf_formudata.c: Implement it here.
1397         * dwarf_getlocation.c (dwarf_getlocation_addr):
1398         Call it instead of hand-rolled offset handling code.
1399         * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1400         * dwarf_ranges.c (dwarf_ranges): Likewise.
1401
1402 2009-05-04  Petr Machata  <pmachata@redhat.com>
1403
1404         * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function.
1405         * dwarf_ranges.c: Implement it here.
1406         (dwarf_ranges): Call it.
1407         * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here.
1408
1409 2009-04-23  Petr Machata  <pmachata@redhat.com>
1410
1411         * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead
1412         of read_*ubyte_unaligned.
1413         * dwarf_formref_die.c (dwarf_formref_die): Likewise.
1414         * dwarf_formstring.c (dwarf_formstring): Likewise.
1415         * dwarf_formudate.c (dwarf_formudata): Likewise.
1416         * dwarf_getaranges.c (dwarf_getaranges): Likewise.
1417         * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise.
1418         * dwarf_getpubnames.c (get_offsets): Likewise.
1419         * dwarf_nextcu.c (dwarf_nextcu): Likewise.
1420
1421 2009-04-23  Petr Machata  <pmachata@redhat.com>
1422
1423         * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc,
1424         __libdw_read_addr, __libdw_read_off): Add four new internal
1425         functions.
1426
1427 2009-05-07  Roland McGrath  <roland@redhat.com>
1428
1429         * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in
1430         return value and OFFSET argument, not CU-relative.  Only fetch the
1431         attribute data when called with OFFSET of 0.
1432
1433 2009-05-07  Petr Machata  <pmachata@redhat.com>
1434
1435         * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in
1436         DW_AT_macro_info attribute of CU DIE.
1437
1438 2009-04-15  Roland McGrath  <roland@redhat.com>
1439
1440         * dwarf.h (DW_CIE_ID): Removed.
1441         (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it.
1442
1443 2009-04-01  Roland McGrath  <roland@redhat.com>
1444
1445         * dwarf.h: Add DW_CFA_GNU_negative_offset_extended.
1446
1447 2009-01-28  Roland McGrath  <roland@redhat.com>
1448
1449         * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s
1450         defn so C++ doesn't scope the name to not match the Dwarf_Line typedef.
1451
1452         * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field.
1453
1454 2009-01-26  Roland McGrath  <roland@redhat.com>
1455
1456         * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all.
1457
1458 2009-01-25  Roland McGrath  <roland@redhat.com>
1459
1460         * dwarf_getattrs.c: Correctly skip attribute values when restarting.
1461
1462 2009-01-23  Roland McGrath  <roland@redhat.com>
1463
1464         * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back.
1465         Put these rules under if MAINTAINER_MODE.
1466
1467 2009-01-22  Roland McGrath  <roland@redhat.com>
1468
1469         * dwarf.h: Add DW_OP_GNU_encoded_addr.
1470
1471 2009-01-21  Roland McGrath  <roland@redhat.com>
1472
1473         * Makefile.am (CLEANFILES): Renamed to ...
1474         (MOSTLYCLEANFILES): ... here.
1475         (CLEANFILES): New variable, add known-dwarf.h.
1476
1477 2009-01-17  Roland McGrath  <roland@redhat.com>
1478
1479         * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir).
1480         Make it unconditional.
1481         (BUILT_SOURCES): Updated.
1482
1483         * dwarf.h: Add description comments for DW_LANG_* values.
1484
1485         * Makefile.am [MAINTAINER_MODE]
1486         ($(srcdir)/known-dwarf.h): New target.
1487         (BUILT_SOURCES): Add it.
1488
1489         * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit.
1490
1491 2009-01-10  Ulrich Drepper  <drepper@redhat.com>
1492
1493         * dwarf_error.c: Always use __thread.  Remove all !USE_TLS code.
1494
1495 2009-01-08  Roland McGrath  <roland@redhat.com>
1496
1497         * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in.
1498
1499 2008-01-06  Roland McGrath  <roland@redhat.com>
1500
1501         * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool.
1502         Reorder members.
1503         * dwarf_haschildren.c: Return -1 for error case, not 0.
1504
1505         * Makefile.am (libdw.so): Link in $(zip_LIBS).
1506
1507 2009-01-06  Ulrich Drepper  <drepper@redhat.com>
1508
1509         * dwarf.h: Add definition for unwind and call frame information.
1510
1511         * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned,
1512         read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc.
1513
1514 2008-08-15  Roland McGrath  <roland@redhat.com>
1515
1516         * libdw.map (ELFUTILS_0.136): New version set, inherits from
1517         ELFUTILS_0.130.  Add dwfl_addrsegment, dwfl_report_segment.
1518
1519 2008-01-21  Ulrich Drepper  <drepper@redhat.com>
1520
1521         * dwarf_child.c: Minor optimizations.
1522         * dwarf_getattrs.c: Likewise.
1523         * dwarf_getpubnames.c: Likewise.
1524         * dwarf_siblingof.c: Likewise.
1525         * dwarf_tag.c: Likewise.
1526
1527 2008-01-18  Ulrich Drepper  <drepper@redhat.com>
1528
1529         * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match
1530         of DWARF_VERSION comparison, just fail if the file's version is newer.
1531
1532 2008-01-17  Nick Clifton  <nickc@redhat.com>
1533
1534         * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define.
1535         (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define.
1536         (DWARF3_LENGTH_64_BIT): New define.
1537         * dwarf_getaranges (dwarf_getaranges): Use the new definitions.
1538         * dwarf_getpubnames: Include dwarf.h.
1539         (get_offsets): Use the new definitions.
1540         * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions.
1541         * dwarf_nextcu.c: Include dwarf.h.  Correct comment.
1542         (dwarf_nextcu): Use the new definitions.
1543
1544         * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro.
1545         * dwarf_diecu.c (dwarf_diecu): Use the new macro.
1546         * dwarf_getaranges (dwarf_getaranges): Use the new macro.
1547         * dwarf_nextcu.c (dwarf_nextcu): Use the new macro.
1548
1549         * dwarf_getpubnames (get_offsets): Replace assertion with test and
1550         error return.
1551
1552         * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE.
1553
1554         * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer.
1555         Set the address in the return structure to the address of the next
1556         non-sibling die, if there is no sibling and the return pointer is
1557         not the same as the die pointer.
1558         * libdw.h: Expand the description of the dwarf_siblingof prototype.
1559
1560         * dwarf_child.c: Fix typo in comment.
1561
1562         * libdwP.h (DWARF_VERSION): Change to 3.
1563
1564         * dwarf_formref.c (__libdw_formref.c): Handle attributes which do
1565         not have a initialised valp pointer.
1566
1567         * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when
1568         the end of the attributes is reached.  When the callback fails,
1569         return the address of the failing attribute, not the address of
1570         its successor.
1571         * libdw.h: Expand the description of the dwarf_getattrs prototype.
1572
1573         * dwarf_child.c (__libdw_find_attr): Use the new definition.
1574         (dwarf_child): Likewise.
1575         * dwarf_tag.c (__libdw_findabbrev): Likewise.
1576         (dwarf_tag): Likewise.
1577
1578 2008-01-08  Roland McGrath  <roland@redhat.com>
1579
1580         * Makefile.am (euinclude): Variable removed.
1581         (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
1582         (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir).
1583
1584 2007-10-17  Roland McGrath  <roland@redhat.com>
1585
1586         * libdw.h (__deprecated_attribute__): New macro.
1587         (dwarf_formref): Mark it deprecated.
1588         * dwarf_formref.c (__libdw_formref): New function, broken out of ...
1589         (dwarf_formref): ... here.  Call it.  Remove INTDEF.
1590         * libdwP.h: Remove INTDECL.
1591         Declare __libdw_formref.
1592         * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead.
1593         * dwarf_formref_die.c: Likewise.  Handle DW_FORM_ref_addr here.
1594
1595         * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result,
1596         needs to check CU->version.
1597
1598         * libdwP.h (struct Dwarf_CU): New member `version'.
1599         * libdw_findcu.c (__libdw_findcu): Initialize it.
1600
1601         * dwarf_child.c: Return 1 for null entry as first child.
1602
1603 2007-10-05  Roland McGrath  <roland@redhat.com>
1604
1605         * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections.
1606
1607         * libdw.h (__extern_inline): Rename to __libdw_extern_inline.
1608         [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses.
1609
1610 2007-10-03  Roland McGrath  <roland@redhat.com>
1611
1612         * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf
1613         and dwfl_build_id_find_debuginfo.
1614
1615         * libdw.map (ELFUTILS_0.130): New version set, inherits from
1616         ELFUTILS_0.127.  Add dwfl_module_build_id, dwfl_module_report_build_id.
1617
1618 2007-10-02  Roland McGrath  <roland@redhat.com>
1619
1620         * libdw_visit_scopes.c (classify_die): Return walk for class_type and
1621         structure_type.
1622
1623 2007-08-07  Roland McGrath  <roland@redhat.com>
1624
1625         * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when
1626         error code is DWARF_E_NOERROR (0).
1627
1628         * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune.
1629         Fix typo in __libdw_visit_scopes argument.
1630
1631         * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return,
1632         swallow DWARF_E_NO_DEBUG_RANGES but not other errors.
1633
1634 2007-07-03  Roland McGrath  <roland@redhat.com>
1635
1636         * libdw.h (__extern_inline): New macro.
1637         [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it.
1638
1639 2007-04-16  Roland McGrath  <roland@redhat.com>
1640
1641         * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section.
1642
1643 2007-04-05  Roland McGrath  <roland@redhat.com>
1644
1645         * dwarf_getsrcdirs.c: New file.
1646         * Makefile.am (libdw_a_SOURCES): Add it.
1647         * libdw.h: Declare dwarf_getsrcdirs.
1648         * libdw.map (ELFUTILS_0.127): Add it.
1649
1650         * libdwP.h (struct Dwarf_Files_s): New member ndirs.
1651         * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to
1652         zero before we use it to check for DWARF_E_INVALID_DIR_IDX.
1653         Save DIRARRAY in the Dwarf_Files.
1654
1655         * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN
1656         address to check for all-ones base address entry.  Check directly.
1657         Reported by Sébastien Dugué <sebastien.dugue@bull.net>.
1658
1659 2007-03-25  Roland McGrath  <roland@redhat.com>
1660
1661         * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void.
1662         Return NULL when freeing RESULT on error.
1663         (global_read, scngrp_read): Check return value from check_section,
1664         break out of loop after it has freed RESULT.
1665         (valid_p): Handle null argument.
1666
1667 2007-03-12  Roland McGrath  <roland@redhat.com>
1668
1669         * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add.
1670
1671 2007-03-04  Roland McGrath  <roland@redhat.com>
1672
1673         * libdw.map (ELFUTILS_0.127): New version set, inherits from
1674         ELFUTILS_0.126.  Add dwfl_module_addrsym.
1675
1676 2007-02-10  Roland McGrath  <roland@redhat.com>
1677
1678         * dwarf.h (DW_OP_fbreg): Comment fix.
1679
1680 2007-02-03  Roland McGrath  <roland@redhat.com>
1681
1682         * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf.
1683         * libdw.map (ELFUTILS_0.126): New version set, inherits from
1684         ELFUTILS_0.122.  Move dwarf_getelf there; it was never truly
1685         exported in the past.
1686
1687 2006-12-17  Roland McGrath  <roland@redhat.com>
1688
1689         * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base
1690         address when the CU is missing attributes due to buggy GCC.
1691
1692 2006-08-29  Roland McGrath  <roland@redhat.com>
1693
1694         * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION).
1695
1696         * libdw.h (dwarf_diecu): Add __nonnull_attribute__.
1697         (dwarf_child): Don't list arg 1 in __nonnull_attribute__.
1698
1699         * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure
1700         result is aligned.  Adjust NEWP->remaining here for this allocation.
1701         * libdwP.h: Update decl.
1702         (libdw_alloc): Update caller.
1703
1704 2006-07-12  Ulrich Drepper  <drepper@redhat.com>
1705
1706         * dwarf_child.c: Adjust for internal_function_def removal.
1707         * dwarf_getabbrev.c: Likewise.
1708         * dwarf_tag.c: Likewise.
1709         * libdw_form.c: Likewise.
1710         * memory-access.c: Likewise.
1711
1712 2006-06-28  Roland McGrath  <roland@redhat.com>
1713
1714         * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir.
1715
1716         * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and
1717         dwfl_module_getsym.
1718
1719 2006-05-27  Ulrich Drepper  <drepper@redhat.com>
1720
1721         * libdw.h: Add extern "C".
1722
1723 2006-05-22  Ulrich Drepper  <drepper@redhat.com>
1724
1725         * dwarf_getaranges.c (dwarf_getaranges): Handle files without
1726         aranges information.
1727
1728 2006-05-21  Ulrich Drepper  <drepper@redhat.com>
1729
1730         * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs,
1731         dwarf_haschildren.
1732
1733 2006-02-28  Roland McGrath  <roland@redhat.com>
1734
1735         * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*,
1736         DW_OP_* values, to match DWARF 3.0.  Add new DW_DS_*, DW_END_*
1737         values from DWARF 3.0.
1738
1739 2006-02-22  Roland McGrath  <roland@redhat.com>
1740
1741         * libdw.map: Bump to 0.120; export dwfl_version.
1742
1743 2005-12-22  Roland McGrath  <roland@redhat.com>
1744
1745         * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report.
1746
1747 2005-12-12  Roland McGrath  <roland@redhat.com>
1748
1749         * dwarf_ranges.c: Copy CU base address-finding code from
1750         dwarf_getlocation.
1751
1752 2005-12-09  Roland McGrath  <roland@redhat.com>
1753
1754         * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys.
1755         Delay CU base lookup until it's needed.
1756         If CU base lookup fails with no error, flag invalid DWARF.
1757
1758 2005-11-25  Roland McGrath  <roland@redhat.com>
1759
1760         * libdw.map: Bump to 0.118; export dwfl_module_register_names.
1761
1762 2005-11-15  Roland McGrath  <roland@redhat.com>
1763
1764         * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic.
1765
1766 2005-11-13  Roland McGrath  <roland@redhat.com>
1767
1768         * libdw.map: Bump to 0.117; export dwfl_module_return_value_location.
1769
1770 2005-10-27  Roland McGrath  <roland@redhat.com>
1771
1772         * dwarf_entry_breakpoints.c (search_range): Fix binary search code;
1773         don't match end_sequence markers.
1774
1775         * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers
1776         before normal records at the same address.
1777         * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence
1778         marker.
1779
1780 2005-10-26  Roland McGrath  <roland@redhat.com>
1781
1782         * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func.
1783         * dwarf_func_file.c: Renamed to ...
1784         * dwarf_decl_file.c: ... here.
1785         * dwarf_func_col.c: Renamed to ...
1786         * dwarf_decl_column.c: ... here.
1787         * dwarf_func_line.c: Renamed to ...
1788         * dwarf_decl_line.c: ... here.
1789         (dwarf_func_line): Renamed to ...
1790         (dwarf_decl_line): ... this.  Take a Dwarf_Die * argument.
1791         (__libdw_func_intval): Renamed __libdw_attr_intval.
1792         * dwarf_func_name.c: File removed.
1793         * dwarf_func_lowpc.c: File removed.
1794         * dwarf_func_highpc.c: File removed.
1795         * dwarf_func_entrypc.c: File removed.
1796         * dwarf_func_die.c: File removed.
1797         * Makefile.am (libdw_a_SOURCES): Updated.
1798         * libdw.h: Update decls.
1799         (Dwarf_Func): Type removed.
1800         * libdwP.h: Update decls.
1801         (struct Dwarf_Func_s): Type removed.
1802         * libdw.map: Updated.
1803
1804         * libdwP.h (CUDIE): New macro.
1805         * dwarf_getlocation.c (dwarf_getlocation_addr): Use it.
1806         * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
1807         * dwarf_ranges.c (dwarf_ranges): Likewise.
1808
1809         * dwarf_getloclist.c: Renamed to ...
1810         * dwarf_getlocation.c: ... here.
1811         (getloclist): Renamed to getlocation.
1812         (dwarf_getloclist): Renamed to dwarf_getlocation.
1813         (dwarf_addrloclists): Renamed to dwarf_getlocation_addr.
1814         * Makefile.am (libdw_a_SOURCES): Updated.
1815         * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation.
1816         (dwarf_addrloclists): Renamed dwarf_getlocation_addr.
1817         (Dwarf_Loc): Renamed Dwarf_Op.
1818         * libdwP.h (struct loc_s): Update use.
1819         * libdw.map: Update map.
1820
1821         * dwarf_entry_breakpoints.c: Use the second line record within the
1822         function, regardless of its source location data.
1823
1824 2005-10-25  Roland McGrath  <roland@redhat.com>
1825
1826         * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too.
1827
1828         * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints.
1829
1830 2005-10-14  Roland McGrath  <roland@redhat.com>
1831
1832         * dwarf_diecu.c (dwarf_diecu): New file.
1833         * Makefile.am (libdw_a_SOURCES): Add it.
1834         * libdw.h: Declare dwarf_diecu.
1835         * libdw.map: Export it.
1836
1837         * libdw.map: Bump to 0.116; export dwarf_ranges.
1838
1839 2005-09-20  Roland McGrath  <roland@redhat.com>
1840
1841         * dwarf_haspc.c: Use dwarf_ranges.
1842         * dwarf_entry_breakpoints.c: Likewise.
1843
1844         * dwarf_ranges.c: New file.
1845         * Makefile.am (libdw_a_SOURCES): Add it.
1846         * libdw.h: Declare dwarf_ranges.
1847         * libdwP.h: Add INTDECL.
1848
1849 2005-09-14  Roland McGrath  <roland@redhat.com>
1850
1851         * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in
1852         prologue_end marker scanning loop.
1853
1854 2005-09-11  Roland McGrath  <roland@redhat.com>
1855
1856         * dwarf.h: Comment typo fix.
1857
1858 2005-09-07  Roland McGrath  <roland@redhat.com>
1859
1860         * dwarf_entry_breakpoints.c: New file.
1861         * Makefile.am (libdw_a_SOURCES): Add it.
1862         * libdw.h: Declare dwarf_entry_breakpoints.
1863
1864         * dwarf_entrypc.c: New file.
1865         * Makefile.am (libdw_a_SOURCES): Add it.
1866         * libdw.h: Declare dwarf_entrypc.
1867         * libdwP.h: Add INTDECL.
1868
1869 2005-08-28  Ulrich Drepper  <drepper@redhat.com>
1870
1871         * Makefile.am: Use $(LINK) not $(CC) when creating DSO.
1872         (%.os): Use COMPILE.os.
1873         (COMPILE.os): Filter out gconv options.
1874
1875 2005-08-27  Roland McGrath  <roland@redhat.com>
1876
1877         * dwarf_getscopes.c (dwarf_getscopes): Rewritten using
1878         __libdw_visit_scopes.
1879
1880         * dwarf_getscopes_die.c: New file.
1881         * Makefile.am (libdw_a_SOURCES): Add it.
1882         * libdw.h: Declare dwarf_getscopes_die.
1883         * libdw.map: Bump to 0.115 and add it.
1884
1885         * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct
1886         containing a DIE and its parent pointer, instead of just Dwarf_Die.
1887         Take two functions for both preorder and postorder visitors.
1888         * libdwP.h: Update decl.
1889         (struct Dwarf_Die_Chain): New type.
1890         * dwarf_func_inline.c: Update uses.
1891
1892         * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate.
1893         Add INTDEF.
1894         * libdwP.h: Add INTDECL.
1895         * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename.
1896
1897 2005-08-23  Roland McGrath  <roland@redhat.com>
1898
1899         * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat
1900         DW_AT_specification the same as DW_AT_abstract_origin.
1901
1902 2005-08-20  Roland McGrath  <roland@redhat.com>
1903
1904         * libdw.map: Add dwfl_cumodule, remove dwfl_linecu.
1905         Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address,
1906         and dwfl_report_offline.
1907
1908 2005-08-19  Roland McGrath  <roland@redhat.com>
1909
1910         * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes.
1911         Add dwfl_module_relocate_address, dwfl_module_relocations,
1912         dwfl_module_relocation_info.
1913
1914 2005-08-18  Roland McGrath  <roland@redhat.com>
1915
1916         * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as
1917         outermost scope in the results.
1918
1919 2005-08-15  Roland McGrath  <roland@redhat.com>
1920
1921         * dwarf_func_inline.c: New file.
1922         * Makefile.am (libdw_a_SOURCES): Add it.
1923         * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances.
1924         * libdw.map: Add them.
1925
1926         * dwarf_func_die.c: New file.
1927         * Makefile.am (libdw_a_SOURCES): Add it.
1928         * libdw.h: Declare dwarf_func_die.
1929         * libdw.map: Add it.  Bump version to ELFUTILS_0.114.
1930
1931 2005-08-10  Ulrich Drepper  <drepper@redhat.com>
1932
1933         * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming
1934         of DW_LNS_set_epilog_begin.
1935
1936 2005-08-09  Roland McGrath  <roland@redhat.com>
1937
1938         * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin.
1939
1940         * dwarf_end.c: Add INTDEF.
1941         * dwarf_error.c (dwarf_errmsg): Likewise.
1942         * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs.
1943
1944 2005-08-01  Roland McGrath  <roland@redhat.com>
1945
1946         * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset.
1947         * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
1948
1949 2005-07-28  Ulrich Drepper  <drepper@redhat.com>
1950
1951         * Makefile.am (libdw.so): No need to link with libeu.a anymore.
1952         (libdw_a_LIBADD): Add all files from libdwfl.a.
1953
1954 2005-07-27  Roland McGrath  <roland@redhat.com>
1955
1956         * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in,
1957         along with ../libebl/libebl.a and ../lib/libeu.a;
1958         depend on ../libelf/libelf.so.
1959         (libdw_so_LDADD): New variable.
1960         * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map.
1961
1962         * libdw.map: Define an empty base version and move all symbols to
1963         version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet.
1964
1965 2005-07-23  Ulrich Drepper  <drepper@redhat.com>
1966
1967         * dwarf_error.c: Add internal alias for dwarf_errno.
1968         * libdwP.h: Declare __dwarf_errno_internal.
1969         * dwarf_getloclist.c: Use INTDEF for dwarf_errno.
1970
1971         * dwarf_error.c [USE_TLS]: Actually use __thread in definition of
1972         global_error.
1973
1974 2005-06-01  Roland McGrath  <roland@redhat.com>
1975
1976         * dwarf_getaranges.c (dwarf_getaranges): Sort result array.
1977         * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search.
1978
1979 2005-06-08  Roland McGrath  <roland@redhat.com>
1980
1981         * memory-access.h (get_uleb128_step, get_uleb128): Remove casts.
1982         (get_sleb128_step, get_sleb128): Likewise.
1983         * dwarf_getattrs.c (dwarf_getattrs): Add consts.
1984         * dwarf_getloclist.c (getloclist): Likewise.
1985         * dwarf_formblock.c (dwarf_formblock): Likewise.
1986         * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1987         * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
1988         * dwarf_formref.c (dwarf_formref): Likewise.
1989         * dwarf_formsdata.c (dwarf_formsdata): Likewise.
1990         * dwarf_formudata.c (dwarf_formudata): Likewise.
1991         * dwarf_haschildren.c (dwarf_haschildren): Likewise.
1992         * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise.
1993         * dwarf_tag.c (dwarf_tag): Likewise.
1994         * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
1995         * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise.
1996         * libdw_form.c (__libdw_form_val_len): Likewise.
1997         * libdwP.h: Update decl.
1998
1999 2005-06-04  Roland McGrath  <roland@redhat.com>
2000
2001         * memory-access.h (get_uleb128_rest_return): New macro.
2002         [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it.
2003         (get_sleb128_rest_return): New macro.
2004         [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it.
2005         * memory-access.c: New file.
2006         * Makefile.am (libdw_a_SOURCES): Add it.
2007         (DEFS): Add -DIS_LIBDW.
2008
2009 2005-05-31  Roland McGrath  <roland@redhat.com>
2010
2011         * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to
2012         formref offset.
2013
2014 2005-05-30  Roland McGrath  <roland@redhat.com>
2015
2016         * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base
2017         address if DW_AT_low_pc is missing.  Not to spec, but GCC generates it.
2018
2019         * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte
2020         BEGIN value.  Instead, match base address entries separately for
2021         32/64 size cases.
2022
2023 2005-05-28  Roland McGrath  <roland@redhat.com>
2024
2025         * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance
2026         past location expression contents.
2027
2028 2005-05-23  Roland McGrath  <roland@redhat.com>
2029
2030         * dwarf_getsrclines.c: Comment typo fix.
2031
2032         * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation.
2033         * dwarf_getloclist.c (dwarf_addrloclists): Likewise.
2034
2035 2005-05-22  Ulrich Drepper  <drepper@redhat.com>
2036
2037         * libdwP.h: Only use INTDECL for alias prototypes.
2038
2039 2005-05-19  Roland McGrath  <roland@redhat.com>
2040
2041         * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too.
2042
2043         * dwarf_getscopevar.c: New file.
2044         * Makefile.am (libdw_a_SOURCES): Add it.
2045         * libdw.h: Declare dwarf_getscopevar.
2046
2047         * dwarf_getsrcfiles.c: Add INTDEF.
2048         * dwarf_haschildren.c: Likewise.
2049         * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL.
2050
2051         * dwarf_getscopes.c: New file.
2052         * Makefile.am (libdw_a_SOURCES): Add it.
2053         * libdw.h: Declare dwarf_getscopes.
2054         * libdw.map: Add it.
2055
2056 2005-05-18  Roland McGrath  <roland@redhat.com>
2057
2058         * libdwP.h (IDX_debug_ranges): New enum constant.
2059         * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges".
2060         * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant.
2061         * dwarf_error.c (errmsgs): Add it.
2062         * dwarf_haspc.c: New file.
2063         * libdw.h: Declare dwarf_haspc.
2064         * libdw.map: Add it.
2065         * libdwP.h: Add INTDECL.
2066
2067         * dwarf_attr_integrate.c: New file.
2068         * dwarf_hasattr_integrate.c: New file.
2069         * Makefile.am (libdw_a_SOURCES): Add them.
2070         * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate.
2071         * libdw.map: Add them.
2072
2073         * dwarf_hasattr.c: Add INTDEF.
2074         * libdwP.h: Add INTDECL for it.
2075
2076         * dwarf_formref_die.c: New file.
2077         * Makefile.am (libdw_a_SOURCES): Add it.
2078         * libdw.h (dwarf_formref_die): Declare it.
2079         * libdwP.h (dwarf_formref_die): Add INTDECL.
2080         * libdw.map: Add it.
2081
2082         * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out
2083         of ...
2084         (dwarf_getloclist): ... here.  Call them.
2085         (dwarf_addrloclists): New function.
2086         * libdw.h: Declare it.
2087         * libdw.map: Add it.
2088
2089         * dwarf_getmacros.c (dwarf_getmacros): Don't bail at
2090         DW_MACINFO_end_file.  Recognize type 0 as terminator.
2091
2092 2005-05-05  Roland McGrath  <roland@redhat.com>
2093
2094         * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search.
2095
2096         * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since
2097         the line program does not produce all entries in ascending order.
2098
2099 2005-04-25  Ulrich Drepper  <drepper@redhat.com>
2100
2101         * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple
2102         occurences (e.g., inlines) better.
2103
2104 2005-04-24  Ulrich Drepper  <drepper@redhat.com>
2105
2106         * libdw.h (DWARF_END_ABBREV): Define.
2107         * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if
2108         end is reached.
2109         * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end
2110         of records reached.
2111         * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV
2112         as error of __libdw_getabbrev.
2113
2114 2005-04-04  Ulrich Drepper  <drepper@redhat.com>
2115
2116         * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization.
2117
2118         * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of
2119         results back to caller.
2120
2121 2005-04-04  Roland McGrath  <roland@redhat.com>
2122
2123         * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL.
2124
2125         * dwarf_func_line.c (__libdw_func_intval): Use internal_function in
2126         defn.
2127
2128 2005-04-04  Ulrich Drepper  <drepper@redhat.com>
2129
2130         * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE.
2131
2132         * dwarf_getsrc_file.c: New file.
2133         * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c.
2134         * libdw.h: Declare dwarf_getsrc_file.
2135         * libdw.map: Add dwarf_getsrc_file.
2136
2137 2005-04-02  Ulrich Drepper  <drepper@redhat.com>
2138
2139         * dwarf_func_entrypc.c: New file.
2140         * dwarf_func_col.c: New file.
2141         * dwarf_func_line.c: New file.
2142         * dwarf_func_file.c: New file.
2143         * libdw.h: Add prototypes for new functions.
2144         * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line,
2145         dwarf_func_file.
2146         * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c,
2147         dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c.
2148         * libdwP.h (struct Dwarf_Func_s): Add cudie element.
2149         Declare __libdw_func_intval and __dwarf_formsdata_internal.
2150         * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object.
2151         * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs.
2152
2153         * dwarf.h: Add some DWARF3 definitions.
2154
2155 2005-04-01  Ulrich Drepper  <drepper@redhat.com>
2156
2157         * dwarf_getfuncs.c: New file.
2158         * dwarf_func_highpc.c: New file.
2159         * dwarf_func_lowpc.c: New file.
2160         * dwarf_func_name.c: New file.
2161         * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c,
2162         dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c.
2163         * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc,
2164         and dwarf_func_name.
2165         * libdw.h: Add prototypes for new functions.
2166         * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs.
2167         * dwarf_siblingof.c: Likewise.
2168         * dwarf_dieoffset.c: Likewise.
2169         * dwarf_highpc.c: Likewise.
2170         * dwarf_lowpc.c: Likewise.
2171         * libdwP.h: Add prototypes for internal functions.
2172         Define Dwarf_Func_s structure.
2173
2174 2005-03-29  Ulrich Drepper  <drepper@redhat.com>
2175
2176         * libdw.h: Add padding in Dwarf_die.
2177
2178         * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs.
2179         * dwarf_attr.c: Likewise.
2180         * dwarf_begin.c: Likewise.
2181         * dwarf_begin_elf.c: Likewise.
2182         * dwarf_bitoffset.c: Likewise.
2183         * dwarf_bitsize.c: Likewise.
2184         * dwarf_bytesize.c: Likewise.
2185         * dwarf_diename.c: Likewise.
2186         * dwarf_formaddr.c: Likewise.
2187         * dwarf_formblock.c: Likewise.
2188         * dwarf_formref.c: Likewise.
2189         * dwarf_formstring.c: Likewise.
2190         * dwarf_formudata.c: Likewise.
2191         * dwarf_getarange_addr.c: Likewise.
2192         * dwarf_getarangeinfo.c: Likewise.
2193         * dwarf_getaranges.c: Likewise.
2194         * dwarf_getloclist.c: Likewise.
2195         * dwarf_getmacros.c: Likewise.
2196         * dwarf_getsrc_die.c: Likewise.
2197         * dwarf_getsrcfiles.c: Likewise.
2198         * dwarf_getsrclines.c: Likewise.
2199         * dwarf_highpc.c: Likewise.
2200         * dwarf_lowpc.c: Likewise.
2201         * dwarf_nextcu.c: Likewise.
2202         * dwarf_offdie.c: Likewise.
2203         * dwarf_siblingof.c: Likewise.
2204         * dwarf_srclang.c: Likewise.
2205         * dwarf_tag.c: Likewise.
2206         * libdw_findcu.c: Likewise.
2207         * libdwP.h: Add prototypes for internal functions.
2208
2209         * dwarf_addrdie.c: New file.
2210         * dwarf_macro_opcode.c: New file.
2211         * dwarf_macro_param1.c: New file.
2212         * dwarf_macro_param2.c: New file.
2213         * libdw.h: Add declarations.  Move Dwarf_Macro definition to libdwP.h.
2214         * libdwP.h: Remove Dwarf_Macro definition.
2215         * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c,
2216         dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c.
2217         * libdw.map: Add entries for new functions.
2218
2219 2005-03-21  Ulrich Drepper  <drepper@redhat.com>
2220
2221         * libdw.h: Handle broken gcc < 4.
2222
2223 2005-02-15  Ulrich Drepper  <drepper@redhat.com>
2224
2225         * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
2226
2227         * dwarf_begin_elf.c: Fix warnings.
2228         * dwarf_dieoffset.c: Likewise.
2229         * dwarf_end.c: Likewise.
2230         * dwarf_error.c: Likewise.
2231         * dwarf_getpubnames.c: Likewise.
2232
2233         * libdwP.h: Add new error values.
2234         * dwarf_error.c: Support new error values.
2235         * dwarf_getpubnames.c: Check parameter value.
2236
2237 2005-02-05  Ulrich Drepper  <drepper@redhat.com>
2238
2239         * Makefile.am: Check for text relocations in constructed DSO.
2240
2241         * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap.
2242
2243 2005-02-04  Ulrich Drepper  <drepper@redhat.com>
2244
2245         * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary
2246         checks to not read over buffer boundaries for ill-formed DWARF data.
2247
2248 2004-09-25  Ulrich Drepper  <drepper@redhat.com>
2249
2250         * dwarf_child.c: Make compile with gcc 4.0.
2251         * dwarf_error.c: Likewise.
2252         * dwarf_formblock.c: Likewise.
2253         * dwarf_getabbrev.c: Likewise.
2254         * dwarf_getattrs.c: Likewise.
2255         * dwarf_getsrclines.c: Likewise.
2256         * dwarf_tag.c: Likewise.
2257         * libdw_form.c: Likewise.
2258
2259 2004-01-20  Ulrich Drepper  <drepper@redhat.com>
2260
2261         * Makefile.am: Support building with mudflap.
2262
2263         * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out.
2264         * dwarf_getsrclines.c: Likewise.
2265         * dwarf_memory-access.h: Likewise.
2266
2267 2004-01-19  Ulrich Drepper  <drepper@redhat.com>
2268
2269         * dwarf_getsrcfiles.c: Third parameter can be NULL.
2270
2271         * libdw.h: Define Dwarf_macro.  Declare dwarf_getmacros.
2272         Third parameter of dwarf_getsrcfiles can be NULL.
2273
2274         * libdw.map: Add dwarf_getmacros.
2275         * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros.
2276         * dwarf_getmacros.c: New file.
2277
2278 2004-01-18  Ulrich Drepper  <drepper@redhat.com>
2279
2280         * libdw.h: Second parameter of dwarf_getaranges can be NULL.
2281
2282         * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL.
2283
2284         * dwarf_getsrclines.c:
2285         Use read_2ubyte_unaligned_inc instead of _inc-less variant.
2286
2287         * dwarf_getaranges.c: Allow naranges parameter to be NULL.
2288
2289         * libdwP.h (_): Use elfutils domain.
2290
2291         * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction.
2292
2293         * dwarf_getsrclines.c: Fix typo in comment.
2294
2295 2004-01-17  Ulrich Drepper  <drepper@redhat.com>
2296
2297         * Makefile.am: Support building with mudflap.
2298
2299 2004-01-16  Ulrich Drepper  <drepper@redhat.com>
2300
2301         * memory-access.h: Add lots of const in case a pointer passed is const.
2302
2303         * dwarf_formflag.c: New file.
2304         * dwarf_getattrs.c: New file.
2305         * dwarf_error.c: Add new error value.
2306         * libdw.h: Add prototypes for new functions.  Adjust prototype for
2307         dwarf_getpubnames.
2308         * libdw.map: Add new functions.
2309         * dwarf_getpubnames.c: Change type of return value and fourth parameter
2310         to ptrdiff_t.
2311         * libdwP.h: Add new error value.
2312         * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and
2313         dwarf_formflag.c.
2314
2315         * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL.
2316
2317 2004-01-12  Ulrich Drepper  <drepper@redhat.com>
2318
2319         * dwarf_getarange_addr.c: New file
2320         * dwarf_getarangeinfo.c: New file.
2321         * dwarf_getaranges.c: New file.
2322         * dwarf_onerange.c: New file.
2323         * libdw.h: Declare new functions.  Define Dwarf_Arange and
2324         Dwarf_Aranges.
2325         * libdw.map: Add new functions.
2326         * libdwP.h: Add new errors.  Add aranges member to struct Dwarf.
2327         Define Dwarf_Aranges_s and Dwarf_Arange_s.
2328         * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c,
2329         dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c.
2330         * dwarf_error.c: Add new message.
2331
2332 2004-01-11  Ulrich Drepper  <drepper@redhat.com>
2333
2334         * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c,
2335         dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c,
2336         dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c.
2337         * dwarf_error.c: Add another message.
2338         * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines
2339         introduction.
2340         * dwarf_filesrc.c: Likewise.
2341         * dwarf_getsrcfiles.c: Likewise.
2342         * dwarf_getsrclines.c: Likewise.
2343         * dwarf_lineaddr.c: New file.
2344         * dwarf_linebeginstatement.c: New file.
2345         * dwarf_lineblock.c: New file.
2346         * dwarf_linecol.c: New file.
2347         * dwarf_lineendsequence.c: New file.
2348         * dwarf_lineepiloguebegin.c: New file.
2349         * dwarf_lineno.c: New file.
2350         * dwarf_lineprologueend.c: New file.
2351         * dwarf_onesrcline.c: New file.
2352         * dwarf_lineno.c: Change interface to store result in object pointed
2353         to by second parameter.
2354         * libdw.h: Add prototypes for new functions.  Change dwarf_lineno
2355         prototype.  Define Dwarf_Files and Dwarf_Lines.
2356         * libdw.map: Add new functions.
2357         * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s.
2358         * libdw_findcu.c: Don't initialize nlines field.
2359
2360         * dwarf_siblingof: Little optimization.
2361
2362         * dwarf_begin.c: Remember that the ELF descriptor must be closed.
2363         * dwarf_end.c: Close ELF descriptor if free_elf is set.
2364         * libdwP.h (struct Dwarf): Add free_elf field.
2365
2366         * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and
2367         dwarf_offabbrev.c.
2368         * dwarf_getstring.c: New file.
2369         * dwarf_offabbrev.c: New file.
2370         * libdw.map: Add dwarf_getstring and dwarf_offabbrev.
2371         * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result
2372         parameters.  Don't allocate memory if not necessary and don't lookup
2373         previous results if no CU given.
2374         (dwarf_getabbrev): Adjust call to __libdw_getabbrev.
2375         * dwarf_tag.c: Adjust call to __libdw_getabbrev.
2376         * libdw.h: Declare dwarf_offabbrev and dwarf_getstring.
2377         * libdwP.h: Change prototype for __libdw_getabbrev.
2378
2379         * dwarf_getabbrevattr.c: Add offsetp parameter.  Fill in before
2380         returning if this is wanted.
2381
2382 2004-01-09  Ulrich Drepper  <drepper@redhat.com>
2383
2384         * dwarf_nextcu.c: Add new parameter offset_sizep.  Initialize it
2385         with offset_size value.
2386         * libdw.h: Adjust dwarf_nextcu prototype.
2387         * libdwP.h (struct Dwarf_CU): Add offset_size member.
2388         * libdw_findcu.c: Adjust dwarf_nextcu call.  Initialize offset_size
2389         member of new CU struct.
2390         * dwarf_formstring.c: Depend on offset_size not address_size for
2391         DW_FORM_strp handling.
2392         * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr.
2393
2394         * dwarf_tag.c (__libdw_findabbrev): Return correct value for
2395         failing lookup.
2396         (dwarf_tag): Correctly recognize failed lookup.
2397
2398         * dwarf_end.c (cu_free):  Call tdestroy for locs member.  Use new
2399         function noop_free.
2400         * dwarf_error.c: Add message for DWARF_E_NO_BLOCK.
2401         * dwarf_formblock.c: New file.
2402         * dwarf_getloclist.c: Rewrite to handle a single block.
2403         * libdw.h: Define Dwarf_Block.  Rename Dwarf_Loc members.  Remove
2404         Dwarf_Locdesc definition.  Declare dwarf_formblock.  Remove
2405         dwarf_getloclistent declaration.
2406         * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent.
2407         * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK.
2408         Add locs member to struct Dwarf_CU.
2409         * libdw_fundcu.c: Initialize locs member of new CU.
2410         * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c.
2411         Remove dwarf_getloclistent.c.
2412
2413 2004-01-07  Ulrich Drepper  <drepper@redhat.com>
2414
2415         * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3.
2416         * libdwP.h: Likewise.
2417
2418         * dwarf_getloclist.c: New file.
2419         * dwarf_getloclistent.c: New file.
2420         * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc.
2421         Declare dwarf_getloclistent and dwarf_getloclist.
2422         * libdw.map: Add dwarf_getloclistent and dwarf_getloclist.
2423         * libdwP.h: Define DWARF_E_NO_LOCLIST.
2424         * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and
2425         dwarf_getloclist.c.
2426
2427         * dwarf_error.c: More error messages.
2428
2429 2004-01-06  Ulrich Drepper  <drepper@redhat.com>
2430
2431         * dwarf_getsrclines.c: Remove debugging support.
2432
2433         * dwarf_getsrcfiles.c: New file.
2434         * dwarf_filesrc.c: New file.
2435         * libdw.h: Declare these functions.  Define Dwarf_File.
2436         * libdwP.c: Adjust Dwarf_File_s definition.
2437         * libdw.map: Add these functions.
2438         * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and
2439         dwarf_filesrc.c.
2440         * dwarf_getsrclines.c: Initialize cu->files.
2441
2442 2004-01-05  Ulrich Drepper  <drepper@redhat.com>
2443
2444         * libdw.h: Add more nonnull function attributes.
2445
2446         * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next.
2447         * dwarf_end.c (cu_free): New function.
2448         (dwarf_end): Also free CU tree.  Correct freeing of memory blocks.
2449         * dwarf_error.c (errmsgs): Add new messages.
2450         * dwarf_getsrc_die.c: New file.
2451         * dwarf_getsrclines.c: New file.
2452         * dwarf_lineno.c: New file.
2453         * dwarf_linesrc.c: New file.
2454         * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc
2455         instead of the *_inc-less variants.
2456         * libdw.h: Define Dwarf_Line.  Add some function attributes.  Declare
2457         dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc.
2458         * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno,
2459         and dwarf_linesrc.
2460         * libdwP.h: Add more error codes.
2461         (struct Dwarf): Remove mem_tail.next member.
2462         (Dwarf_File): Define type.
2463         (struct Dwarf_Line_s): Define type.
2464         (struct Dwarf_CU): Add lines and nlines members.
2465         (libdw_alloc): Define local variable _tail and use it.
2466         Add some function attributes.
2467         * libdw_alloc.c (__libdw_allocate): Don't initialize next member.
2468         * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members.
2469         * memory-access.h: Add unlikely for the endian conversion paths.
2470         * Makefile.am (AM_CFLAGS): Add -std parameter.
2471         (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die,
2472         dwarf_lineno, and dwarf_linesrc.
2473
2474 2003-08-11  Ulrich Drepper  <drepper@redhat.com>
2475
2476         * Moved to CVS archive.