1 2016-11-02 Mark Wielaard <mjw@redhat.com>
3 * cfi.c (execute_cfi): Add fallthrough comments.
4 * encoded-value.h (encoded_value_size): Add explicit return instead
5 of relying on fallthrough.
6 * dwfl_report_elf.c (__libdwfl_elf_address_range): Add fallthrough
9 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
11 * dwarf_getpubnames.c: Remove sys/param.h include, add system.h.
12 * libdw_alloc.c: Likewise.
14 2016-07-08 Mark Wielaard <mjw@redhat.com>
16 * libdw.map (ELFUTILS_0.167): New. Add dwelf_strtab_init,
17 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize,
18 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free.
20 2016-02-13 Mark Wielaard <mjw@redhat.com>
22 * dwarf_getsrclines.c (read_srclines): Calculate ndirs first, then
25 2015-12-18 Mark Wielaard <mjw@redhat.com>
27 * libdwP.h (struct Dwarf): Remove sectiondata_gzip_mask.
28 (__libdw_free_zdata): Remove.
29 * dwarf_begin_elf.c (inflate_section): Remove.
30 (check_section): Remove __libdw_free_zdata calls. Use elf_compress
31 and elf_compress_gnu to decompress if necessary.
32 (valid_p): Remove __libdw_free_zdata calls.
33 (scngrp_read): Use elf_compress if section is compressed. Remove
34 __libdw_free_zdata calls.
35 * dwarf_end.c (__libdw_free_zdata): Remove.
36 (dwarf_end): Don't call __libdw_free_zdata.
38 2015-10-28 Mark Wielaard <mjw@redhat.com>
40 * libdw.map (ELFUTILS_0.165): New. Add dwelf_scn_gnu_compressed_size.
42 2015-12-02 Mark Wielaard <mjw@redhat.com>
44 * fde.c (intern_fde): Don't leak duplicate FDEs.
46 2015-12-01 Mark Wielaard <mjw@redhat.com>
48 * fde.c (intern_fde): Don't intern an fde that doesn't cover a
51 2015-12-01 Mark Wielaard <mjw@redhat.com>
53 * dwarf_end.c (dwarf_end): Call cu_free on fake_loc_cu if it exists.
55 2015-10-14 Chih-Hung Hsieh <chh@google.com>
57 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Move recursive
58 functions 'add_bkpt', 'entrypc_bkpt', and 'search_range' to file scope.
60 2015-10-14 Chih-Hung Hsieh <chh@google.com>
62 * libdw_visit_scopes.c (__libdw_visit_scopes): Move recursive nested
63 function 'walk_children' to file scope; inline 'recurse' at its call
66 2015-10-19 Mark Wielaard <mjw@redhat.com>
68 * frame-cache.c (__libdw_destroy_frame_cache): Call ebl_closebackend
71 2015-10-16 Dmitry V. Levin <ldv@altlinux.org>
73 * dwarf_getsrclines.c (read_srclines): Initialize state early.
75 2015-10-13 Chih-Hung Hsieh <chh@google.com>
77 * dwarf_getsrclines.c (read_srclines): Move nested functions
78 'advance_pc' and 'add_new_line' to file scope and keep many
79 local state variables within one structure.
81 2015-10-13 Chih-Hung Hsieh <chh@google.com>
83 * dwarf_getscopevar.c (dwarf_getscopevar): Move nested
84 function 'file_matches' to file scope.
86 2015-10-16 Mark Wielaard <mjw@redhat.com>
88 * Makefile.am (libdw.so): Add -lz.
90 2015-10-14 Chih-Hung Hsieh <chh@google.com>
92 * cfi.c (execute_cfi): Move nested functions 'enough_registers'
93 and 'require_cfa_offset' to file scope.
95 2015-10-09 Josh Stone <jistone@redhat.com>
97 * dwarf_begin.c (dwarf_begin): Replace stat64 and fstat64 with stat
100 2015-10-05 Josh Stone <jistone@redhat.com>
102 * Makefile.am (libdw.so): Add AM_V_CCLD and AM_V_at silencers.
104 2015-09-24 Jose E. Marchesi <jose.marchesi@oracle.com>
106 * Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid
107 relocation overflows in some platforms.
109 2015-09-23 Mark Wielaard <mjw@redhat.com>
111 * dwarf_error.c (__libdw_seterrno): Mark as internal_function.
112 * dwarf_formref.c (__libdw_formref): Likewise.
113 * libdw_findcu.c (__libdw_findcu): Likewise.
114 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
116 2015-09-22 Mark Wielaard <mjw@redhat.com>
118 * *.c: Remove old-style function definitions.
120 2015-09-15 Mark Wielaard <mjw@redhat.com>
122 * dwarf_peel_type.c (dwarf_peel_type): Don't reassign result pointer.
124 2015-09-09 Chih-Hung Hsieh <chh@google.com>
126 * dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Remove
127 redundant NULL tests on parameters declared with __nonnull_attribute__.
128 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
129 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
131 2015-09-04 Chih-Hung Hsieh <chh@google.com>
132 Mark Wielaard <mjw@redhat.com>
134 * dwarf_getlocation.c (getlocations_addr): Replace K&R function
135 definition with ansi-C definition and add const qualifier to
138 2015-09-04 Chih-Hung Hsieh <chh@google.com>
140 * libdw_findcu.c (__libdw_intern_next_unit): Replace K&R function
141 definition with ansi-C definitions.
142 (__libdw_findcu): Likewise.
144 2015-08-25 Mark Wielaard <mjw@redhat.com>
146 * dwarf.h: Add DW_LANG_Haskell.
148 2015-06-18 Mark Wielaard <mjw@redhat.com>
150 * dwarf_begin_elf.c (dwarf_begin_elf): Assert page size is big enough
153 2015-06-18 Mark Wielaard <mjw@redhat.com>
155 * dwarf_getpubnames.c (get_offsets): Always free mem on error.
157 2015-06-18 Mark Wielaard <mjw@redhat.com>
159 * dwarf_getmacros.c (get_macinfo_table): Return NULL when
160 dwarf_formudata reports an error.
161 (get_table_for_offset): Likewise.
163 2015-06-08 Mark Wielaard <mjw@redhat.com>
165 * dwarf_getsrclines.c (read_srclines): Initialize dirarray early.
167 2015-06-06 Mark Wielaard <mjw@redhat.com>
169 * dwarf_getsrclines.c (read_srclines): Initialize filelist early.
171 2015-05-27 Mark Wielaard <mjw@redhat.com>
173 * encoded-value.h (read_encoded_value): Check data d_size contains
174 at least enough data to hold a pointer for DW_EH_PE_indirect.
176 2015-05-22 Mark Wielaard <mjw@redhat.com>
178 * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines
179 with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with
180 MAX_STACK_DIRS. Calculate number of dirs needed first, then
181 create dirarray directly, without needing the next field. Free
182 not stack allocated lines and files at the end.
184 2015-05-19 Mark Wielaard <mjw@redhat.com>
186 * dwarf_getlocation.c (__libdw_intern_expression): Create a stack
187 allocated array to hold locs. Allocate locs bigger than the array
188 with malloc and free them when done.
190 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
192 * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator.
193 * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message.
194 * dwarf_begin_elf.c (inflate_section): New static function, lifted
196 (check_section): ... here. Call inflate_section, set libdw errno to
197 DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated.
199 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
201 * dwarf_begin_elf.c (check_section): Add compressed flag. Always
202 check for .zdebug sections. Only wrap decompression in #if USE_ZLIB.
204 2015-05-06 Mark Wielaard <mjw@redhat.com>
206 * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and
207 check the line number.
209 2015-05-05 Mark Wielaard <mjw@redhat.com>
211 * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data
212 left before reading values.
214 2015-05-04 Anthony G. Basile <blueness@gentoo.org>
216 * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link
219 2015-04-22 Mark Wielaard <mjw@redhat.com>
221 * memory-access.h (__libdw_max_len_leb128): Take type_len as argument.
222 (__libdw_max_len_uleb128): New function.
223 (__libdw_max_len_sleb128): Likewise.
224 (__libdw_get_uleb128): Use __libdw_max_len_uleb128.
225 (__libdw_get_sleb128): Use __libdw_max_len_sleb128.
227 2015-04-21 Mark Wielaard <mjw@redhat.com>
229 * dwarf_getmacros.c (read_macros): Allocate attributes dynamically
230 when there are more than 8.
232 2015-04-01 Petr Machata <pmachata@redhat.com>
234 * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator.
235 (is_cudie): New function.
236 * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE.
237 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead
238 of white-listing valid tags.
239 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
241 2015-03-18 Petr Machata <pmachata@redhat.com>
243 * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h.
244 (EXTRA_DIST): Remove known-dwarf.h.
246 2015-02-09 Mark Wielaard <mjw@redhat.com>
248 * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08.
249 * dwarf_aggregate_size.c (array_size): Recognize array lower bound
250 for new Fortran language codes is 1.
252 2015-02-09 Mark Wielaard <mjw@redhat.com>
254 * dwarf.h: Add DW_TAG_atomic_type.
255 * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type.
256 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type.
258 2015-02-11 Josh Stone <jistone@redhat.com>
260 * encoded-value.h (read_encoded_value): Initialize value.
262 2015-02-11 Petr Machata <pmachata@redhat.com>
264 * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither
265 DW_AT_entry_pc nor DW_AT_low_pc are available. Instead remember
266 the fact in *BASEP and bail out later if it hasn't been updated by
267 __libdw_read_begin_end_pair_inc.
269 2014-12-24 Mark Wielaard <mjw@redhat.com>
271 * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record
272 smaller than or equal to addr, rather than returning immediately on
275 2015-01-07 Mark Wielaard <mjw@redhat.com>
277 * cfi.h (struct Dwarf_CFI_s): Add search_table_len.
278 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough
279 room in the search table for all entries. Store search_table_len.
280 (getcfi_scn_eh_frame): Likewise.
281 * encoded-value.h (encoded_value_size): Don't abort, return zero.
282 (__libdw_cfi_read_address_inc): Check there is enough room to read
283 values. Pass other byte order to read functions.
284 (read_encoded_value): Check encoded_value_size. Don't abort, but
285 set libdw errno and report failure. Check there is enough room to
287 * fde.c (binary_search_fde): Check encoded value size. Add hdr
288 data buf and size to dummy_cfi.
290 2015-01-04 Mark Wielaard <mjw@redhat.com>
292 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute
293 is after current DIE.
295 2015-01-04 Mark Wielaard <mjw@redhat.com>
297 * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof
298 (dwarf_frame_register).
300 2015-01-02 Mark Wielaard <mjw@redhat.com>
302 * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check.
303 (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL.
304 (getcfi_scn_eh_frame): Check d_buf is not NULL.
306 2015-01-02 Mark Wielaard <mjw@redhat.com>
308 * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not
309 NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For
310 DW_OP_addr if dbg is NULL then read argument directly.
312 2015-01-14 Jason P. Leasure <jpleasu@super.org>
314 * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset
317 2014-12-27 Mark Wielaard <mjw@redhat.com>
319 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset
320 still falls inside CU data.
322 2015-01-11 Mark Wielaard <mjw@redhat.com>
324 * dwarf_func_inline.c (dwarf_func_inline_instances): Call
325 __libdw_visit_scopes with NULL imports.
326 * dwarf_getfuncs.c (dwarf_getfuncs): Likewise.
327 * dwarf_getscopes.c (pc_record): Likewise.
328 (dwarf_getscopes): Likewise.
329 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
330 * libdwP.h (__libdw_visit_scopes): Add imports argument.
331 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new
332 function imports_contains. Push and pop imports around walk_children
333 when processing DW_TAG_imported_unit.
335 2014-12-18 Ulrich Drepper <drepper@gmail.com>
337 * Makefile.am: Suppress output of textrel_check command.
339 2014-12-16 Mark Wielaard <mjw@redhat.com>
341 * dwarf_getsrclines.c (read_srclines): Check diridx is valid under
344 2014-12-16 Mark Wielaard <mjw@redhat.com>
346 * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough
347 space to read die offset.
349 2014-12-16 Mark Wielaard <mjw@redhat.com>
351 * dwarf_getsrclines.c (read_srclines): Correct overflow check for
354 2014-12-15 Mark Wielaard <mjw@redhat.com>
356 * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside
357 section data. Set error to DWARF_E_NO_ENTRY if cnt is zero.
358 (dwarf_getpubnames): Make sure section data contains string zero
361 2014-12-16 Mark Wielaard <mjw@redhat.com>
363 * memory-access.h (__libdw_get_sleb128): Unroll the first step to help
364 the compiler optimize for the common single-byte case.
366 2014-12-15 Josh Stone <jistone@redhat.com>
368 * memory-access.h (__libdw_max_len_leb128): New.
369 (__libdw_get_uleb128): Use __libdw_max_len_leb128.
370 (__libdw_get_sleb128): Likewise.
372 2014-12-14 Mark Wielaard <mjw@redhat.com>
374 * cfi.c (execute_cfi): Add program bounds checks.
375 * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks.
376 * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp.
377 * dwarf_formref.c (__libdw_formref): Add datap bounds checks.
378 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
379 * dwarf_formudata.c (dwarf_formudata): Likewise.
380 * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128
381 with end of data buf.
382 * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks.
383 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128
384 call gets enough data.
385 * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp.
386 * dwarf_getlocation.c (store_implicit_value): Call get_uleb128
388 (__libdw_intern_expression): Call get_uleb128/get_sleb128 with
390 * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check.
391 * dwarf_getsrclines.c (read_srclines): Bounds check linep and call
392 get_uleb128 with lineendp.
393 * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call
394 get_uleb128 with endp.
395 * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call
396 get_uleb128/get_sleb128 with limit.
397 * encoded-value.h (read_encoded_value): Assume get_uleb128 and
398 get_sleb128 get called with enough data.
399 * fde.c (intern_fde): Call get_uleb128 with instructions_end.
400 * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp.
401 * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with
403 * memory-access.h (__libdw_get_uleb128): Take an extra endp.
404 Don't call get_uleb128_step if out of data.
405 (__libdw_get_sleb128): Likewise for get_sleb128_step.
407 2014-12-12 Mark Wielaard <mjw@redhat.com>
409 * libdwP.h (struct Dwarf): Add fake_loc_cu.
411 (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx.
412 (__libdw_form_val_compute_len): Drop dbg and endp arguments.
413 (__libdw_form_val_len): Likewise.
414 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
415 * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use
416 the already found data buffer directly.
417 * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu.
418 * dwarf_end.c (dwarf_end): Free fake_loc_cu.
419 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with
421 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
422 * dwarf_formblock.c (dwarf_formblock): Add bounds checking.
423 * dwarf_getlocation_attr.c (attr_form_cu): New function.
424 (dwarf_getlocation_attr): Use attr_form_cu to set result->cu.
425 (getlocation): Handle empty blocks immediately.
426 * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var.
427 (__libdw_empty_loc_attr): Drop cu argument, use empty_cu.
428 (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with
430 * dwarf_getmacros.c (read_macros): Also setup startp and endp for
431 fake_cu. Call __libdw_form_val_len with just fake_cu.
432 * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get
433 datap and size directly from cu startp and endp.
435 2014-12-11 Mark Wielaard <mjw@redhat.com>
437 * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset.
439 2014-12-13 Mark Wielaard <mjw@redhat.com>
441 * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr
442 difference doesn't wrap around before returning as int.
444 2014-12-11 Josh Stone <jistone@redhat.com>
446 * dwarf_getsrclines.c (struct linelist): Add sequence.
447 (compare_lines): Take linelists, and break ties by sequence.
448 (read_srclines): Use linelists for sorting.
449 (read_srclines::add_new_line): Set sequence.
451 2014-12-10 Josh Stone <jistone@redhat.com>
453 * libdwP.h (Dwarf_CU): Add startp and endp boundaries.
454 * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp.
455 * dwarf_child.c (dwarf_child): Use cu->endp.
456 * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp.
457 * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp.
458 * dwarf_siblingof.c (dwarf_siblingof): Use both.
460 2014-12-10 Josh Stone <jistone@redhat.com>
462 * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence.
464 2014-12-10 Josh Stone <jistone@redhat.com>
466 * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function.
467 * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it.
468 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
469 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
470 * dwarf_tag.c (dwarf_tag): Likewise.
472 2014-12-04 Mark Wielaard <mjw@redhat.com>
474 * libdwP.h (__libdw_form_val_compute_len): Add endp argument.
475 (__libdw_form_val_len): Likewise and check len doesn't overflow.
476 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
477 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len
479 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
480 * dwarf_getmacros.c (read_macros): Likewise and check for errors.
482 2014-12-02 Petr Machata <pmachata@redhat.com>
484 * dwarf_getmacros.c (token_from_offset, offset_from_token): New
486 (do_dwarf_getmacros_die): Merge into dwarf_getmacros.
487 * libdw.h (DWARF_GETMACROS_START): New macro.
489 2014-11-27 Mark Wielaard <mjw@redhat.com>
491 * Makefile.am (libdw.so): Use textrel_check.
493 2014-11-27 Mark Wielaard <mjw@redhat.com>
495 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize
496 search_table_entries and search_table_encoding.
498 2014-11-24 Mark Wielaard <mjw@redhat.com>
500 * dwarf_getsrclines.c (read_srclines): Check line_range is not zero
503 2014-11-23 Mark Wielaard <mjw@redhat.com>
505 * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value.
506 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
507 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
509 2014-11-23 Mark Wielaard <mjw@redhat.com>
511 * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF.
512 Set libdw errno and return NULL.
514 2014-11-24 Mark Wielaard <mjw@redhat.com>
516 * dwarf.h (DW_LANG_C_plus_plus_11): Added.
517 (DW_LANG_C11): Likewise.
518 (DW_LANG_C_plus_plus_14): Likewise.
519 * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11,
520 DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go
522 * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for
525 2014-11-26 Mark Wielaard <mjw@redhat.com>
527 * dwarf.h (DW_AT_noreturn): Added.
529 2014-11-11 Mark Wielaard <mjw@redhat.com>
531 * dwarf_getsrclines.c (read_srclines): Do address_size comparison
532 explicitly as uint8_t.
533 (__libdw_getsrclines): Add internal_function to declaration.
535 2014-09-10 Petr Machata <pmachata@redhat.com>
537 * dwarf_macro_getparamcnt.c: New file.
538 * dwarf_macro_param.c: New file.
539 * dwarf_macro_getsrcfiles.c: New file.
540 * Makefile.am (libdw_a_SOURCES): Add the new files.
541 * libdwP.h (struct files_lines_s): New structure.
542 (DWARF_E_INVALID_OPCODE): New enumerator.
543 (struct Dwarf): New fields macro_ops, files_lines.
544 (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for
545 keeping macro opcode prototypes in.
546 (Dwarf_Macro_s): Redefine from scratch.
547 (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New
549 * dwarf_error.c (errmsgs): Add a message for
550 DWARF_E_INVALID_OPCODE.
551 * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and
553 * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt)
554 (dwarf_macro_getsrcfiles, dwarf_macro_param): New public
556 * dwarf_getmacros.c (dwarf_getmacros_off): New function,
557 (get_offset_from, macro_op_compare, build_table)
558 (init_macinfo_table, get_macinfo_table, get_table_for_offset)
559 (cache_op_table, read_macros, gnu_macros_getmacros_off)
560 (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper
562 (dwarf_getmacros): Adjust to dispatch to the new interfaces.
563 * dwarf_getsrclines.c (read_srclines): New function with guts
564 taken from dwarf_getsrclines.
565 (__libdw_getsrclines): Likewise.
566 (__libdw_getcompdir, files_lines_compare): New functions.
567 (dwarf_getsrclines): Make it dispatch to the new interfaces.
568 * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to
570 * dwarf_macro_param2.c (dwarf_macro_param2): Likewise.
571 * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off,
572 dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param.
574 2014-10-06 Mark Wielaard <mjw@redhat.com>
576 * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c.
577 * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type.
578 (aggregate_size): Likewise. Add old and new version.
579 * dwarf_peel_type.c: New file.
580 * libdw.h (dwarf_peel_type): New function declaration.
581 * libdwP.h (dwarf_peel_type): New internal declaration.
582 * libdw.map (ELFUTILS_0.161): New section.
584 2014-10-15 Petr Machata <pmachata@redhat.com>
586 * libdwP.h (struct Dwarf_Files_s.cu): Drop field.
587 * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it.
589 2014-10-05 Mark Wielaard <mjw@redhat.com>
591 * dwarf.h: Add DW_AT_GNU_deleted.
593 2014-10-02 Mark Wielaard <mjw@redhat.com>
595 * dwarf_aggregate_size.c (aggregate_size): Return CU address_size
596 for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or
597 DW_TAG_rvalue_reference_type.
599 2014-09-12 Petr Machata <pmachata@redhat.com>
601 * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and
602 8-byte quantities. Consequently, rename to...
603 (read_addr_unaligned_inc): ... this.
604 (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop.
605 (read_sbyte_unaligned): Drop.
607 2014-09-10 Petr Machata <pmachata@redhat.com>
609 * dwarf_getlocation.c (attr_ok): Also accept
610 DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
611 DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered.
613 2014-08-15 Mark Wielaard <mjw@redhat.com>
615 * dwarf_cu_die.c: New file.
616 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c.
617 * libdw.h (dwarf_cu_die): New function declaration.
618 * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die.
620 2014-08-15 Mark Wielaard <mjw@redhat.com>
622 * dwarf_cu_getdwarf.c: New file.
623 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c.
624 * libdw.h (Dwarf_CU): New typedef.
625 (dwarf_cu_getdwarf): New function declaration.
626 * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf.
628 2014-06-18 Mark Wielaard <mjw@redhat.com>
630 * dwarf.h: Remove DW_TAG_mutable_type.
632 2014-05-02 Mark Wielaard <mjw@redhat.com>
634 * libdwP.h (__check_build_id): Removed now unused.
636 2014-05-01 Mark Wielaard <mjw@redhat.com>
638 * libdwP.h (struct Dwarf): Remove free_alt.
639 * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf.
640 * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt.
642 2014-04-30 Mark Wielaard <mjw@redhat.com>
644 * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id.
646 2014-04-15 Florian Weimer <fweimer@redhat.com>
648 * dwarf_begin_elf.c (__check_build_id, try_debugaltlink)
649 (open_debugaltlink): Move to libdwfl.
650 (check_section): Do not locate alternate debuginfo.
652 2014-04-24 Florian Weimer <fweimer@redhat.com>
654 * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink.
656 2014-04-22 Florian Weimer <fweimer@redhat.com>
658 * dwarf_getalt.c, dwarf_setalt.c: New files.
659 * Makefile.am (libdw_a_SOURCES): Add them.
660 * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations.
661 * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function
663 * libdw.map (ELFUTILS_0.159): Export the two new functions.
665 2014-04-15 Florian Weimer <fweimer@redhat.com>
667 * libdwP.h (enum IDX_gnu_debugaltlink): New.
668 * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add
670 (check_section): Obtain .gnu_debugaltlink section from the
673 2014-04-11 Mark Wielaard <mjw@redhat.com>
675 * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink.
676 * Makefile.am (libdw.so): Depend on libdwelf_pic.a.
677 (libdwelf_objects): New variable.
678 (libdw_a_LIBADD): Add libdwelf objects.
680 2014-04-22 Mark Wielaard <mjw@redhat.com>
682 * memory-access.h (get_sleb128_step): Remove undefined behavior
683 of left shifting a signed value. Replace it with a multiplication.
685 2014-04-13 Mark Wielaard <mjw@redhat.com>
687 * Makefile.am: Remove !MUDFLAP conditions.
689 2014-04-09 Mark Wielaard <mjw@redhat.com>
691 * dwarf_begin_elf.c (check_section): Check for unsigned overflow
692 before calling malloc to uncompress data.
694 2014-03-03 Jan Kratochvil <jan.kratochvil@redhat.com>
696 Fix abort() on missing section headers.
697 * dwarf_begin_elf.c (check_section): Replace abort call by goto err.
698 New label err to return NULL.
700 2014-02-05 Josh Stone <jistone@redhat.com>
702 * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned.
703 * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as
704 unsigned. Change the range assert to DWARF_E_INVALID_DWARF.
706 2013-12-30 Mark Wielaard <mjw@redhat.com>
708 * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and
709 dwfl_linux_proc_attach.
711 2013-12-20 Mark Wielaard <mjw@redhat.com>
713 * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames.
715 2013-12-18 Mark Wielaard <mjw@redhat.com>
717 * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and
718 dwfl_module_getsym_elf. Add dwfl_module_addrinfo and
719 dwfl_module_getsym_info.
721 2013-12-16 Mark Wielaard <mjw@redhat.com>
723 * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global.
725 2013-12-10 Josh Stone <jistone@redhat.com>
727 * memory-access.h (get_uleb128_rest_return): Removed.
728 (get_sleb128_rest_return): Removed.
729 (get_uleb128_step): Make this a self-contained block.
730 (get_sleb128_step): Ditto, and use a bitfield to extend signs.
731 (get_uleb128): Make this wholly implemented by __libdw_get_uleb128.
732 (get_sleb128): Make this wholly implemented by __libdw_get_sleb128.
733 (__libdw_get_uleb128): Simplify and inline for all callers.
734 (__libdw_get_sleb128): Ditto.
735 * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128.
736 * memory-access.c: Delete file.
737 * Makefile.am (libdw_a_SOURCES): Remove it.
738 (DEFS): Remove the now unused -DIS_LIBDW.
740 2013-12-09 Josh Stone <jistone@redhat.com>
742 * libdw_form.c (__libdw_form_val_compute_len): Renamed function from
743 __libdw_form_val_len, now handling only non-constant form lengths.
744 * libdwP.h (__libdw_form_val_len): New inlined function.
746 2013-12-09 Mark Wielaard <mjw@redhat.com>
748 * dwarf_getlocation.c (__libdw_intern_expression): Handle empty
749 location expressions.
750 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no
751 location found, return empty location expression.
752 * dwarf_getlocation_implicit_pointer.c
753 (dwarf_getlocation_implicit_pointer): Likewise.
754 (__libdw_empty_loc_attr): New internal function.
755 * libdwP.h (__libdw_empty_loc_attr): Define.
757 2013-11-27 Mark Wielaard <mjw@redhat.com>
759 * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and
760 dwfl_module_getsym_elf.
762 2013-11-26 Mark Wielaard <mjw@redhat.com>
764 * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid,
765 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
766 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
767 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ...
768 (ELFUTILS_0.158): ... here.
770 2013-11-09 Mark Wielaard <mjw@redhat.com>
772 * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and
773 check that it is zero.
775 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
777 * cfi.h (struct Dwarf_Frame_s): Make the comment more specific.
778 * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid,
779 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
780 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
781 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc.
783 2013-11-01 Michael Forney <mforney@mforney.org>
785 * Makefile.am (libdwfl_objects): New definition.
786 (libdw_a_LIBADD): Use libdwfl_objects.
788 2013-11-01 Michael Forney <mforney@mforney.org>
790 * Makefile.am: Use READELF.
792 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
794 * libdw.map (ELFUTILS_0.158): New.
796 2013-10-10 Mark Wielaard <mjw@redhat.com>
798 * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to
799 start_addr and rename last_offset to last_addr. Now both void *.
800 (tree_visitor): Use start_add and die_addr instead of start_offset
802 (dwarf_getfuncs): Use last_addr instead of last_offset.
804 2013-10-06 Mark Wielaard <mjw@redhat.com>
806 * cfi.c (execute_cfi): Make sure DW_CFA_expression and
807 DW_CFA_val_expression are not used with abi_cfi.
809 2013-10-03 Josh Stone <jistone@redhat.com>
811 * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here.
812 * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits
813 a unit, make sure to always hash the sig8 here, so none are missed.
815 2013-09-29 Mark Wielaard <mjw@redhat.com>
817 * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to
818 uintptr_t before casting to char *.
819 (__libdw_intern_expression): Cast data to uintptr_t before casting
821 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast
822 op->number2 to uintptr_t before casting to char *.
824 2013-09-24 Josh Stone <jistone@redhat.com>
826 * libdw_visit_scopes.c (classify_die): Removed.
827 (may_have_scopes): New function to replace classify_die. There's no
828 need for full classification; just find tags that may contain scopes.
829 (__libdw_visit_scopes): Use a direct tag comparison for imported
830 units, and use may_have_scopes to test if recursion is needed.
832 2013-09-20 Mark Wielaard <mjw@redhat.com>
834 * dwarf_getfuncs.c (visitor_info): New struct.
835 (tree_visitor): New function.
836 (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor.
837 * libdw.h (dwarf_getfuncs): Expand function documentation.
839 2013-09-12 Mark Wielaard <mjw@redhat.com>
841 * fde.c (intern_fde): Free fde and set libdw errno when start
842 or end could not be read.
844 2013-08-24 Mark Wielaard <mjw@redhat.com>
846 * dwarf_getlocation.c (store_implicit_value): Don't take data
847 as argument, get block data from op number2. Return false when
848 block data length and op number don't match up.
849 (__libdw_intern_expression): Store start of block for
850 DW_OP_implicit_value and DW_OP_GNU_entry_value instead of
851 relative data offset. Also store block start (including length)
852 for DW_OP_GNU_const_type. Don't pass data to store_implicit_value.
853 * dwarf_getlocation_attr.c: New file.
854 * dwarf_getlocation_die.c: Likewise.
855 * libdw.h (dwarf_getlocation_die): New function definition.
856 (dwarf_getlocation_attr): Likewise.
857 * libdwP.h: Declare internal dwarf_getlocation_die.
858 * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and
859 dwarf_getlocation_attr.
860 * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and
861 dwarf_getlocation_attr.c.
863 2013-08-23 Mark Wielaard <mjw@redhat.com>
865 * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment.
866 (attr_base_address): New function.
867 (initial_offset_base): New function.
868 (getlocations_addr): New function. Taken from...
869 (dwarf_getlocation_addr): here. Use new initial_offset_base and
871 (dwarf_getlocations): New function.
872 * libdw.h (dwarf_getlocations): New function definition.
873 * libdw.map (ELFUTILS_0.157): New.
875 2013-07-02 Mark Wielaard <mjw@redhat.com>
877 * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation
878 limit MAX_STACK_ALLOC. After MAX_STACK_ALLOC lines use malloc in
879 NEW_LINE macro. Free malloced line records if any at the end.
881 2013-07-02 Mark Wielaard <mjw@redhat.com>
883 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS.
885 2013-06-26 Mark Wielaard <mjw@redhat.com>
887 * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root
888 DIEs without children. Return an error whenever dwarf_child or
889 dwarf_siblingof return an error. Don't call recurse and increase
890 the depth for an imported unit. Walk the children of an imported
891 unit as if they are logical children of the parent root DIE.
893 2013-05-03 Mark Wielaard <mjw@redhat.com>
895 * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence
898 2013-04-28 Jan Kratochvil <jan.kratochvil@redhat.com>
900 * libdw.map (ELFUTILS_0.156): New.
902 2013-04-24 Mark Wielaard <mjw@redhat.com>
904 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
906 2013-04-10 Mark Wielaard <mjw@redhat.com>
908 * dwarf_formref_die.c (dwarf_formref_die): Reference size is only
909 equal to address size when we have a DW_FORM_ref_addr for DWARF
912 2013-03-25 Mark Wielaard <mjw@redhat.com>
914 * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as
917 2013-03-12 Mark Wielaard <mjw@redhat.com>
919 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit.
920 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
922 2013-02-15 Mark Wielaard <mjw@redhat.com>
924 * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata,
925 not dbg->sectiondata.
927 2013-01-07 Roland McGrath <roland@hack.frob.com>
930 [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro.
931 [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function.
933 2012-12-18 Mark Wielaard <mjw@redhat.com>
935 * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid.
936 (check_section): Likewise on error.
937 (scngrp_read): Likewise.
938 (dwarf_begin_elf): Likewise.
940 2012-10-09 Petr Machata <pmachata@redhat.com>
942 * dwarf_getlocation.c (__libdw_intern_expression): Handle
943 DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret,
944 DW_OP_GNU_regval_type, DW_OP_GNU_entry_value,
945 DW_OP_GNU_deref_type, DW_OP_GNU_const_type.
947 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
949 * cfi.c: New include system.h.
950 (execute_cfi) (enough_registers): Clear new memory after realloc.
952 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
954 * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return
955 DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for
958 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
960 * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new
961 loclist element DW_OP_call_frame_cfa before decoding the opcodes.
962 Remove the later DW_OP_call_frame_cfa push to RESULT.
964 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
967 * fde.c (binary_search_fde): Remove always true <address >= start>
968 conditional. Move L initialization upwards.
970 2012-08-24 Mark Wielaard <mjw@redhat.com>
972 * dwarf_begin_elf.c (check_section): Only probe for dwz multi files
973 when ENABLE_DWZ is defined.
974 * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is
977 2012-08-16 Mark Wielaard <mjw@redhat.com>
979 * Makefile.am (EXTRA_DIST): Add known-dwarf.h.
980 * dwarf.h (DW_LANG_Go): Update comment.
981 (DW_LANG_Mips_Assembler): Likewise.
983 2012-06-27 Mark Wielaard <mjw@redhat.com>
985 * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt.
986 * dwarf_begin.c (dwarf_begin): Add INTDEF.
987 * dwarf_begin_elf.c (__check_build_id): New internal_function.
988 (try_debugaltlink): New function.
989 (open_debugaltlink): Likewise.
990 (check_section): Try open_debugaltlink for .gnu_debugaltlink.
991 * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if
993 * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK.
994 * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt
996 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt.
997 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt.
998 * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset
1000 * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call.
1001 * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK.
1002 (struct Dwarf): Add alt_dwarf and free_alt fields.
1003 (__libdw_read_offset): Add dbg_ret argument, use to check with
1004 __libdw_offset_in_section.
1005 (__check_build_id): New function declaration.
1006 (dwarf_begin): Define as INTDECL.
1007 * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt
1008 and DW_FORM_GNU_strp_alt.
1010 2012-07-19 Mark Wielaard <mjw@redhat.com>
1012 * dwarf.h: Add DW_OP_GNU_parameter_ref.
1014 2012-07-24 Mark Wielaard <mjw@redhat.com>
1016 * dwarf.h: Correct spelling of DW_LANG_ObjC.
1017 * dwarf_aggregate_size.c (array_size): Use correct spelling of
1020 2012-07-24 Mark Wielaard <mjw@redhat.com>
1022 * dwarf.h: Add DW_ATE_UTF.
1024 2012-06-27 Mark Wielaard <mjw@redhat.com>
1026 * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings.
1028 2012-06-26 Mark Wielaard <mjw@redhat.com>
1030 * libdwP.h: Add IDX_debug_macro.
1031 * dwarf.h: Add DW_AT_GNU_macros.
1032 * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro.
1033 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros.
1035 2012-04-27 Mark Wielaard <mjw@redhat.com>
1037 * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being
1038 a constant offset from DW_AT_low_pc.
1040 2012-03-19 Tom Tromey <tromey@redhat.com>
1042 * libdw_findcu.c (findcu_cb): Move earlier.
1043 (__libdw_intern_next_unit): Add new CU to search tree here...
1044 (__libdw_findcu): ... not here.
1046 2012-01-31 Mark Wielaard <mjw@redhat.com>
1048 * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset.
1050 2011-11-31 Mark Wielaard <mjw@redhat.com>
1052 * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk.
1054 2011-07-14 Mark Wielaard <mjw@redhat.com>
1056 * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info.
1058 2011-05-16 Jakub Jelinek <jakub@redhat.com>
1060 * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type,
1061 DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret):
1064 2011-04-26 Mark Wielaard <mjw@redhat.com>
1066 * dwarf_child (dwarf_child): Sanity check end of section against
1067 cu_data () of die->cu.
1069 2011-03-22 Mark Wielaard <mjw@redhat.com>
1071 * dwarf.h: Add DW_TAG_GNU_call_site,
1072 DW_TAG_GNU_call_site_parameter,
1073 DW_AT_GNU_call_site_value,
1074 DW_AT_GNU_call_site_data_value,
1075 DW_AT_GNU_call_site_target,
1076 DW_AT_GNU_call_site_target_clobbered,
1077 DW_AT_GNU_tail_call,
1078 DW_AT_GNU_all_tail_call_sites,
1079 DW_AT_GNU_all_call_sites,
1080 DW_AT_GNU_all_source_call_sites,
1081 and DW_OP_GNU_entry_value.
1083 2011-03-10 Petr Machata <pmachata@redhat.com>
1085 * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for
1086 abbreviation with code 0.
1088 2011-03-09 Petr Machata <pmachata@redhat.com>
1090 * libdw/dwarf_child.c (dwarf_child): Check for section overrun.
1092 2011-02-23 Roland McGrath <roland@redhat.com>
1094 * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask.
1095 Declare __libdw_free_zdata.
1096 * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function.
1097 (dwarf_end): Call it.
1099 * dwarf_begin_elf.c (valid_p): Likewise.
1100 (check_section, scngrp_read): Likewise.
1101 (check_section) [USE_ZLIB]: Grok .z* flavors of sections.
1103 2010-10-13 Roland McGrath <roland@redhat.com>
1105 * dwarf.h: Add DW_LANG_Go.
1107 2010-10-05 Roland McGrath <roland@redhat.com>
1109 * dwarf_getaranges.c: Use malloc rather than alloca,
1110 since the total number of elements can be quite huge.
1112 2010-07-26 Roland McGrath <roland@redhat.com>
1114 * dwarf_getlocation_implicit_pointer.c: New file.
1115 * Makefile.am (libdw_a_SOURCES): Add it.
1116 * libdw.map (ELFUTILS_0.149): New set.
1117 Add dwarf_getlocation_implicit_pointer.
1118 * libdw.h: Declare it.
1120 * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global.
1121 (dwarf_offdie, dwarf_offdie_types): Update callers.
1122 * libdwP.h: Declare it.
1124 * dwarf.h: Add DW_OP_GNU_implicit_pointer.
1125 * dwarf_getlocation.c (__libdw_intern_expression): Handle it.
1127 2010-08-24 Roland McGrath <roland@redhat.com>
1129 * libdw.map (ELFUTILS_0.149): New set. Add dwfl_dwarf_line.
1131 2010-07-27 Roland McGrath <roland@redhat.com>
1133 * dwarf_formref_die.c: Fix sig8 hash insertion.
1135 2010-06-23 Roland McGrath <roland@redhat.com>
1137 * cfi.c (dwarf_cfi_validate_fde): Function removed.
1138 * libdw.h: Remove it.
1139 * libdw.map: Likewise.
1141 2010-06-22 Roland McGrath <roland@redhat.com>
1143 * dwarf_getlocation.c (check_constant_offset): data[48] are constant.
1145 * dwarf_getsrclines.c: Fix signed comparison warning in extended
1148 2010-06-21 Roland McGrath <roland@redhat.com>
1150 * dwarf.h: Add DW_TAG_GNU_* constants.
1152 * memory-access.h (get_sleb128_rest_return): Fix sign extension for
1155 2010-06-20 Roland McGrath <roland@redhat.com>
1157 * libdw_findcu.c (__libdw_findcu): Take new flag argument,
1158 to search TUs instead of CUs.
1159 * libdwP.h: Update decl.
1160 (struct Dwarf): New member tu_tree.
1161 * dwarf_end.c (dwarf_end): Clean up tu_tree.
1162 * dwarf_offdie.c (do_offdie): New function, broken out of ...
1163 (dwarf_offdie): ... here.
1164 (dwarf_offdie_types): New function.
1165 * libdw.h: Declare it.
1166 * libdw.map (ELFUTILS_0.148): Add it.
1168 * libdwP.h (CUDIE): Use cu_data.
1169 * dwarf_formblock.c: Likewise.
1170 * dwarf_formref_die.c: Likewise.
1171 * dwarf_diecu.c: Use CUDIE macro.
1172 * dwarf_formaddr.c: Use cu_sec_idx.
1174 2010-06-16 Roland McGrath <roland@redhat.com>
1176 * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so
1177 we don't repeat a CU lookup we've already done. Handle
1178 DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit.
1180 * libdw_findcu.c (__libdw_intern_next_unit): New function,
1182 (__libdw_findcu): ... here. Call it.
1183 * libdwP.h: Declare it.
1184 (struct Dwarf): New member next_tu_offset.
1186 * dwarf_sig8_hash.c: New file.
1187 * dwarf_sig8_hash.h: New file.
1188 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1189 * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before
1191 * libdwP.h (struct Dwarf): New member sig8_hash.
1192 * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it.
1193 * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it.
1195 * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ...
1196 (dwarf_nextcu): ... here. Call it.
1197 * libdw.h: Declare it.
1198 * libdwP.h: Add INTDECL.
1199 * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu.
1200 * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit.
1202 * libdwP.h (cu_sec_idx, cu_data): New functions.
1203 Use .debug_types when CU is a TU.
1204 * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info.
1205 * dwarf_siblingof.c: Likewise.
1206 * dwarf_formstring.c: Likewise.
1207 * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise.
1208 * dwarf_getlocation.c (dwarf_getlocation): Likewise.
1209 (dwarf_getlocation_addr): Likewise.
1211 * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8.
1212 (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute
1213 .debug_types header size instead of .debug_info header size.
1215 * dwarf_diecu.c: Update caller.
1216 * dwarf_getaranges.c: Likewise.
1217 * dwarf_nextcu.c: Likewise.
1218 * libdw_findcu.c (__libdw_findcu): Initialize new members.
1220 * fde.c (fde_by_offset): Renamed to ...
1221 (__libdw_fde_by_offset): ... this, made global and internal_function.
1222 Don't take ADDRESS argument.
1223 (__libdw_find_fde): Update caller. Do address sanity check here.
1224 * cfi.h: Declare __libdw_fde_by_offset.
1225 * cfi.c (dwarf_cfi_validate_fde): New function.
1226 * libdw.h: Declare it.
1227 * libdw.map (ELFUTILS_0.148): Add it.
1229 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
1230 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
1232 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
1233 Don't assume DW_EH_PE_aligned refers to native address size.
1235 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
1238 2010-06-17 Roland McGrath <roland@redhat.com>
1240 * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and
1242 * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts
1243 into an inner inline function. Set new fields. Check all fields for
1244 overflow when setting.
1245 * dwarf_lineisa.c: New file.
1246 * dwarf_linediscriminator.c: New file.
1247 * dwarf_lineop_index.c: New file.
1248 * Makefile.am (libdw_a_SOURCES): Add them.
1249 * libdw.map (ELFUTILS_0.148): Add them.
1250 * libdw.h: Declare them.
1252 2010-06-16 Roland McGrath <roland@redhat.com>
1254 * dwarf_next_cfi.c: Fix version 4 return_address_register decoding.
1256 * fde.c (fde_by_offset): Renamed to ...
1257 (__libdw_fde_by_offset): ... this, made global and internal_function.
1258 Don't take ADDRESS argument.
1259 (__libdw_find_fde): Update caller. Do address sanity check here.
1260 * cfi.h: Declare __libdw_fde_by_offset.
1261 * cfi.c (dwarf_cfi_validate_fde): New function.
1262 * libdw.h: Declare it.
1263 * libdw.map (ELFUTILS_0.148): Add it.
1265 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
1266 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
1268 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
1269 Don't assume DW_EH_PE_aligned refers to native address size.
1271 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
1274 2010-06-15 Roland McGrath <roland@redhat.com>
1276 * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like
1278 * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way
1279 here, since we don't support it yet.
1281 * dwarf_next_cfi.c: Handle version 4 format.
1283 * dwarf_getsrclines.c: Handle version 4 format.
1285 2010-06-01 Roland McGrath <roland@redhat.com>
1287 * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types.
1288 * dwarf_begin_elf.c (dwarf_scnnames): Likewise.
1290 * libdwP.h (CIE_VERSION): Remove unused macro.
1292 * dwarf_getsrclines.c: Fix version field test.
1293 * libdwP.h (DWARF_VERSION): Remove useless macro.
1295 * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling.
1297 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc.
1299 * libdw_findcu.c (__libdw_findcu): Accept version 4.
1301 2010-05-31 Mark Wielaard <mjw@redhat.com>
1303 * cfi.h (dwarf_cfi_cie_p): Move definition from here, to ..
1304 * libdw.h (dwarf_cfi_cie_p): ... here.
1306 2010-05-31 Mark Wielaard <mjw@redhat.com>
1308 * dwarf.h: Fix DW_LANG_Python constant.
1310 2010-05-28 Eduardo Santiago <santiago@redhat.com>
1312 * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first
1315 2010-05-27 Roland McGrath <roland@redhat.com>
1317 * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name,
1318 DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator.
1320 2010-05-08 Roland McGrath <roland@redhat.com>
1322 * dwarf_getlocation.c (__libdw_intern_expression): Take new argument
1323 REF_SIZE. Use that to handle DW_OP_call_ref correctly.
1324 (getlocation): Update caller.
1325 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
1326 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
1327 * libdwP.h: Update decl.
1329 2010-04-26 Roland McGrath <roland@redhat.com>
1331 * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule.
1332 * cfi.c (execute_cfi): Set that instead of doing cfi_assert for
1333 DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force.
1334 * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid.
1336 * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP.
1337 Prepend DW_OP_call_frame_cfa if true.
1338 (getlocation): Update caller.
1339 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
1340 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
1341 * libdwP.h: Update decl.
1343 2010-04-22 Roland McGrath <roland@redhat.com>
1345 * cfi.c (execute_cfi): Never return without cleanup.
1347 (cie_cache_initial_state): Adjust caller to expect that free.
1348 (__libdw_frame_at_address): Likewise.
1350 2010-03-10 Roland McGrath <roland@redhat.com>
1352 * libdw.map (ELFUTILS_0.146): New set. Add dwfl_core_file_report.
1354 2010-02-15 Roland McGrath <roland@redhat.com>
1356 * Makefile.am: Use config/eu.am for common stuff.
1358 2010-02-02 Mark Wielaard <mjw@redhat.com>
1360 * fde.c (intern_fde): Fix length check for sized_augmentation_data.
1362 2010-01-07 Roland McGrath <roland@redhat.com>
1364 * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum.
1366 2010-01-05 Roland McGrath <roland@redhat.com>
1368 * dwarf_aggregate_size.c: New file.
1369 * Makefile.am (libdw_a_SOURCES): Add it.
1370 * libdw.h: Declare it.
1371 * libdwP.h: Add INTDECL.
1372 * libdw.map (ELFUTILS_0.144): New set. Add dwarf_aggregate_size.
1374 * dwarf_srclang.c: Add INTDEF.
1375 * libdwP.h: Add INTDECL.
1377 * dwarf.h: Add some more DW_AT_GNU_* types from gcc.
1379 * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name.
1381 2009-11-21 Roland McGrath <roland@redhat.com>
1383 * dwarf_getlocation.c (check_constant_offset): Return 1 for all
1386 2009-10-15 Roland McGrath <roland@redhat.com>
1388 * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset,
1389 DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8.
1391 2009-09-17 Roland McGrath <roland@redhat.com>
1393 * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP
1394 argument a pointer to const.
1395 * libdw.h: Update decl.
1397 2009-09-10 Roland McGrath <roland@redhat.com>
1399 * dwarf_getlocation.c (store_implicit_value): New function.
1400 (__libdw_intern_expression): Use it, handle DW_OP_implicit_value.
1401 (dwarf_getlocation_implicit_value): New function.
1402 * libdw.h: Declare it.
1403 * libdw.map (ELFUTILS_0.143): Add it.
1405 2009-09-09 Mark Wielaard <mjw@redhat.com>
1407 * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl.
1409 2009-08-21 Josh Stone <jistone@redhat.com>
1411 * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too.
1413 2009-08-10 Roland McGrath <roland@redhat.com>
1415 * dwarf_getscopevar.c: Use dwarf_diename.
1417 2009-08-09 Roland McGrath <roland@redhat.com>
1419 * libdw.map (ELFUTILS_0.143): New version set,
1420 inherits from ELFUTILS_0.142.
1421 * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an
1422 alias in the ELFUTILS_0.122 version set and the default in the new set.
1423 * dwarf_srclang.c: Likewise.
1424 * dwarf_decl_file.c: Likewise.
1425 * dwarf_decl_line.c: Likewise.
1426 * dwarf_decl_column.c: Likewise.
1427 * dwarf_bytesize.c: Likewise.
1428 * dwarf_bitsize.c: Likewise.
1429 * dwarf_bitoffset.c: Likewise.
1431 2009-08-07 Roland McGrath <roland@redhat.com>
1433 * dwarf_arrayorder.c: Use dwarf_attr_integrate.
1434 * dwarf_srclang.c: Likewise.
1435 * dwarf_decl_file.c: Likewise.
1436 * dwarf_decl_line.c (__libdw_attr_intval): Likewise.
1437 * dwarf_bytesize.c: Likewise.
1438 * dwarf_bitsize.c: Likewise.
1439 * dwarf_bitoffset.c: Likewise.
1441 2009-07-22 Roland McGrath <roland@redhat.com>
1443 * dwarf_frame_cfa.c: Change calling convention.
1444 * libdw.h: Update decl.
1446 * dwarf_frame_register.c: Change calling/return-value convention for
1447 value-only results and undefined/same_value.
1448 * libdw.h: Update decl.
1450 * dwarf_getlocation.c (__libdw_intern_expression): Take new bool
1451 argument, append DW_OP_stack_value if set. Don't take NOPS argument,
1452 return that value instead.
1453 (getlocation): Update caller.
1454 * dwarf_frame_cfa.c: Likewise.
1455 * libdwP.h: Update decl.
1457 2009-07-21 Roland McGrath <roland@redhat.com>
1459 * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list.
1460 Fix loop iteration after skipping a bogus or useless CU.
1462 * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless
1463 absence, not DWARF_E_NO_DEBUG_LINE.
1465 2009-07-20 Roland McGrath <roland@redhat.com>
1467 * dwarf_getlocation.c (__libdw_intern_expression):
1468 Handle DW_OP_stack_value.
1470 2009-07-16 Roland McGrath <roland@redhat.com>
1472 * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset,
1473 reject others when CU's version > 3.
1475 * dwarf_formflag.c: Handle DW_FORM_flag_present.
1477 * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft.
1478 Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type.
1479 Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset,
1480 and DW_AT_const_expr.
1481 Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present,
1482 and DW_FORM_ref_sig8.
1484 2009-07-15 Roland McGrath <roland@redhat.com>
1486 * dwarf_getlocation.c: Grok DW_OP_form_tls_address,
1487 DW_OP_GNU_push_tls_address, and DW_OP_bit_piece.
1489 2009-07-13 Roland McGrath <roland@redhat.com>
1491 * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa.
1493 2009-07-08 Roland McGrath <roland@redhat.com>
1495 * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi,
1498 * libdwP.h (struct Dwarf): Add member `cfi'.
1499 * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it.
1500 * dwarf_getcfi.c: New file.
1501 * dwarf_getcfi_elf.c: New file.
1502 * dwarf_cfi_end.c: New file.
1503 * dwarf_cfi_addrframe.c: New file.
1504 * dwarf_frame_cfa.c: New file.
1505 * dwarf_frame_register.c: New file.
1506 * dwarf_frame_return_address_register.c: New file.
1507 * Makefile.am (libdw_a_SOURCES): Add them.
1508 * unwind.h: Declare those functions.
1509 * libdw.map (ELFUTILS_0.142): Export them.
1511 * dwarf_getlocation.c (__libdw_intern_expression): New function,
1513 (getlocation): ... here, call it.
1514 * libdwP.h: Declare it.
1518 * frame-cache.c: New file.
1521 * encoded-value.h: New file.
1522 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1523 * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum.
1524 * dwarf_error.c (errmsgs): Add element for it.
1526 * dwarf_next_cfi.c: New file.
1527 * Makefile.am (libdw_a_SOURCES): Add it.
1528 * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types.
1529 Declare dwarf_next_cfi.
1530 * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136.
1533 * memory-access.h [! ALLOW_UNALIGNED]
1534 (read_2ubyte_unaligned): Renamed to ...
1535 (read_2ubyte_unaligned_1): ... this. Take bool rather than Dwarf *.
1536 (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order.
1537 (read_2sbyte_unaligned): Likewise.
1538 (read_4ubyte_unaligned): Likewise.
1539 (read_4sbyte_unaligned): Likewise.
1540 (read_8ubyte_unaligned): Likewise.
1541 (read_8sbyte_unaligned): Likewise.
1543 * libdwP.h (IDX_eh_frame): Remove it.
1544 * dwarf_begin_elf.c (dwarf_scnnames): Remove its element.
1546 2009-07-08 Roland McGrath <roland@redhat.com>
1548 * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better.
1550 * dwarf_getlocation.c (check_constant_offset): New function.
1551 (dwarf_getlocation, dwarf_getlocation_addr): Call it to
1552 handle DW_AT_data_member_location of data[48] as constant offset.
1554 2009-06-18 Roland McGrath <roland@redhat.com>
1556 * libdwP.h (__libdw_read_address_inc): Constify.
1557 (__libdw_read_offset_inc): Likewise.
1558 * dwarf_getaranges.c: Likewise.
1559 * dwarf_getlocation.c: Likewise.
1560 * dwarf_getsrclines.c: Likewise.
1561 * dwarf_nextcu.c: Likewise.
1563 2009-05-05 Petr Machata <pmachata@redhat.com>
1565 * libdwP.h (__libdw_formptr): Declare new function.
1566 * dwarf_formudata.c: Implement it here.
1567 * dwarf_getlocation.c (dwarf_getlocation_addr):
1568 Call it instead of hand-rolled offset handling code.
1569 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1570 * dwarf_ranges.c (dwarf_ranges): Likewise.
1572 2009-05-04 Petr Machata <pmachata@redhat.com>
1574 * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function.
1575 * dwarf_ranges.c: Implement it here.
1576 (dwarf_ranges): Call it.
1577 * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here.
1579 2009-04-23 Petr Machata <pmachata@redhat.com>
1581 * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead
1582 of read_*ubyte_unaligned.
1583 * dwarf_formref_die.c (dwarf_formref_die): Likewise.
1584 * dwarf_formstring.c (dwarf_formstring): Likewise.
1585 * dwarf_formudate.c (dwarf_formudata): Likewise.
1586 * dwarf_getaranges.c (dwarf_getaranges): Likewise.
1587 * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise.
1588 * dwarf_getpubnames.c (get_offsets): Likewise.
1589 * dwarf_nextcu.c (dwarf_nextcu): Likewise.
1591 2009-04-23 Petr Machata <pmachata@redhat.com>
1593 * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc,
1594 __libdw_read_addr, __libdw_read_off): Add four new internal
1597 2009-05-07 Roland McGrath <roland@redhat.com>
1599 * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in
1600 return value and OFFSET argument, not CU-relative. Only fetch the
1601 attribute data when called with OFFSET of 0.
1603 2009-05-07 Petr Machata <pmachata@redhat.com>
1605 * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in
1606 DW_AT_macro_info attribute of CU DIE.
1608 2009-04-15 Roland McGrath <roland@redhat.com>
1610 * dwarf.h (DW_CIE_ID): Removed.
1611 (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it.
1613 2009-04-01 Roland McGrath <roland@redhat.com>
1615 * dwarf.h: Add DW_CFA_GNU_negative_offset_extended.
1617 2009-01-28 Roland McGrath <roland@redhat.com>
1619 * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s
1620 defn so C++ doesn't scope the name to not match the Dwarf_Line typedef.
1622 * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field.
1624 2009-01-26 Roland McGrath <roland@redhat.com>
1626 * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all.
1628 2009-01-25 Roland McGrath <roland@redhat.com>
1630 * dwarf_getattrs.c: Correctly skip attribute values when restarting.
1632 2009-01-23 Roland McGrath <roland@redhat.com>
1634 * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back.
1635 Put these rules under if MAINTAINER_MODE.
1637 2009-01-22 Roland McGrath <roland@redhat.com>
1639 * dwarf.h: Add DW_OP_GNU_encoded_addr.
1641 2009-01-21 Roland McGrath <roland@redhat.com>
1643 * Makefile.am (CLEANFILES): Renamed to ...
1644 (MOSTLYCLEANFILES): ... here.
1645 (CLEANFILES): New variable, add known-dwarf.h.
1647 2009-01-17 Roland McGrath <roland@redhat.com>
1649 * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir).
1650 Make it unconditional.
1651 (BUILT_SOURCES): Updated.
1653 * dwarf.h: Add description comments for DW_LANG_* values.
1655 * Makefile.am [MAINTAINER_MODE]
1656 ($(srcdir)/known-dwarf.h): New target.
1657 (BUILT_SOURCES): Add it.
1659 * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit.
1661 2009-01-10 Ulrich Drepper <drepper@redhat.com>
1663 * dwarf_error.c: Always use __thread. Remove all !USE_TLS code.
1665 2009-01-08 Roland McGrath <roland@redhat.com>
1667 * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in.
1669 2008-01-06 Roland McGrath <roland@redhat.com>
1671 * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool.
1673 * dwarf_haschildren.c: Return -1 for error case, not 0.
1675 * Makefile.am (libdw.so): Link in $(zip_LIBS).
1677 2009-01-06 Ulrich Drepper <drepper@redhat.com>
1679 * dwarf.h: Add definition for unwind and call frame information.
1681 * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned,
1682 read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc.
1684 2008-08-15 Roland McGrath <roland@redhat.com>
1686 * libdw.map (ELFUTILS_0.136): New version set, inherits from
1687 ELFUTILS_0.130. Add dwfl_addrsegment, dwfl_report_segment.
1689 2008-01-21 Ulrich Drepper <drepper@redhat.com>
1691 * dwarf_child.c: Minor optimizations.
1692 * dwarf_getattrs.c: Likewise.
1693 * dwarf_getpubnames.c: Likewise.
1694 * dwarf_siblingof.c: Likewise.
1695 * dwarf_tag.c: Likewise.
1697 2008-01-18 Ulrich Drepper <drepper@redhat.com>
1699 * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match
1700 of DWARF_VERSION comparison, just fail if the file's version is newer.
1702 2008-01-17 Nick Clifton <nickc@redhat.com>
1704 * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define.
1705 (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define.
1706 (DWARF3_LENGTH_64_BIT): New define.
1707 * dwarf_getaranges (dwarf_getaranges): Use the new definitions.
1708 * dwarf_getpubnames: Include dwarf.h.
1709 (get_offsets): Use the new definitions.
1710 * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions.
1711 * dwarf_nextcu.c: Include dwarf.h. Correct comment.
1712 (dwarf_nextcu): Use the new definitions.
1714 * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro.
1715 * dwarf_diecu.c (dwarf_diecu): Use the new macro.
1716 * dwarf_getaranges (dwarf_getaranges): Use the new macro.
1717 * dwarf_nextcu.c (dwarf_nextcu): Use the new macro.
1719 * dwarf_getpubnames (get_offsets): Replace assertion with test and
1722 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE.
1724 * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer.
1725 Set the address in the return structure to the address of the next
1726 non-sibling die, if there is no sibling and the return pointer is
1727 not the same as the die pointer.
1728 * libdw.h: Expand the description of the dwarf_siblingof prototype.
1730 * dwarf_child.c: Fix typo in comment.
1732 * libdwP.h (DWARF_VERSION): Change to 3.
1734 * dwarf_formref.c (__libdw_formref.c): Handle attributes which do
1735 not have a initialised valp pointer.
1737 * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when
1738 the end of the attributes is reached. When the callback fails,
1739 return the address of the failing attribute, not the address of
1741 * libdw.h: Expand the description of the dwarf_getattrs prototype.
1743 * dwarf_child.c (__libdw_find_attr): Use the new definition.
1744 (dwarf_child): Likewise.
1745 * dwarf_tag.c (__libdw_findabbrev): Likewise.
1746 (dwarf_tag): Likewise.
1748 2008-01-08 Roland McGrath <roland@redhat.com>
1750 * Makefile.am (euinclude): Variable removed.
1751 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
1752 (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir).
1754 2007-10-17 Roland McGrath <roland@redhat.com>
1756 * libdw.h (__deprecated_attribute__): New macro.
1757 (dwarf_formref): Mark it deprecated.
1758 * dwarf_formref.c (__libdw_formref): New function, broken out of ...
1759 (dwarf_formref): ... here. Call it. Remove INTDEF.
1760 * libdwP.h: Remove INTDECL.
1761 Declare __libdw_formref.
1762 * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead.
1763 * dwarf_formref_die.c: Likewise. Handle DW_FORM_ref_addr here.
1765 * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result,
1766 needs to check CU->version.
1768 * libdwP.h (struct Dwarf_CU): New member `version'.
1769 * libdw_findcu.c (__libdw_findcu): Initialize it.
1771 * dwarf_child.c: Return 1 for null entry as first child.
1773 2007-10-05 Roland McGrath <roland@redhat.com>
1775 * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections.
1777 * libdw.h (__extern_inline): Rename to __libdw_extern_inline.
1778 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses.
1780 2007-10-03 Roland McGrath <roland@redhat.com>
1782 * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf
1783 and dwfl_build_id_find_debuginfo.
1785 * libdw.map (ELFUTILS_0.130): New version set, inherits from
1786 ELFUTILS_0.127. Add dwfl_module_build_id, dwfl_module_report_build_id.
1788 2007-10-02 Roland McGrath <roland@redhat.com>
1790 * libdw_visit_scopes.c (classify_die): Return walk for class_type and
1793 2007-08-07 Roland McGrath <roland@redhat.com>
1795 * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when
1796 error code is DWARF_E_NOERROR (0).
1798 * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune.
1799 Fix typo in __libdw_visit_scopes argument.
1801 * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return,
1802 swallow DWARF_E_NO_DEBUG_RANGES but not other errors.
1804 2007-07-03 Roland McGrath <roland@redhat.com>
1806 * libdw.h (__extern_inline): New macro.
1807 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it.
1809 2007-04-16 Roland McGrath <roland@redhat.com>
1811 * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section.
1813 2007-04-05 Roland McGrath <roland@redhat.com>
1815 * dwarf_getsrcdirs.c: New file.
1816 * Makefile.am (libdw_a_SOURCES): Add it.
1817 * libdw.h: Declare dwarf_getsrcdirs.
1818 * libdw.map (ELFUTILS_0.127): Add it.
1820 * libdwP.h (struct Dwarf_Files_s): New member ndirs.
1821 * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to
1822 zero before we use it to check for DWARF_E_INVALID_DIR_IDX.
1823 Save DIRARRAY in the Dwarf_Files.
1825 * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN
1826 address to check for all-ones base address entry. Check directly.
1827 Reported by Sébastien Dugué <sebastien.dugue@bull.net>.
1829 2007-03-25 Roland McGrath <roland@redhat.com>
1831 * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void.
1832 Return NULL when freeing RESULT on error.
1833 (global_read, scngrp_read): Check return value from check_section,
1834 break out of loop after it has freed RESULT.
1835 (valid_p): Handle null argument.
1837 2007-03-12 Roland McGrath <roland@redhat.com>
1839 * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add.
1841 2007-03-04 Roland McGrath <roland@redhat.com>
1843 * libdw.map (ELFUTILS_0.127): New version set, inherits from
1844 ELFUTILS_0.126. Add dwfl_module_addrsym.
1846 2007-02-10 Roland McGrath <roland@redhat.com>
1848 * dwarf.h (DW_OP_fbreg): Comment fix.
1850 2007-02-03 Roland McGrath <roland@redhat.com>
1852 * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf.
1853 * libdw.map (ELFUTILS_0.126): New version set, inherits from
1854 ELFUTILS_0.122. Move dwarf_getelf there; it was never truly
1855 exported in the past.
1857 2006-12-17 Roland McGrath <roland@redhat.com>
1859 * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base
1860 address when the CU is missing attributes due to buggy GCC.
1862 2006-08-29 Roland McGrath <roland@redhat.com>
1864 * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION).
1866 * libdw.h (dwarf_diecu): Add __nonnull_attribute__.
1867 (dwarf_child): Don't list arg 1 in __nonnull_attribute__.
1869 * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure
1870 result is aligned. Adjust NEWP->remaining here for this allocation.
1871 * libdwP.h: Update decl.
1872 (libdw_alloc): Update caller.
1874 2006-07-12 Ulrich Drepper <drepper@redhat.com>
1876 * dwarf_child.c: Adjust for internal_function_def removal.
1877 * dwarf_getabbrev.c: Likewise.
1878 * dwarf_tag.c: Likewise.
1879 * libdw_form.c: Likewise.
1880 * memory-access.c: Likewise.
1882 2006-06-28 Roland McGrath <roland@redhat.com>
1884 * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir.
1886 * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and
1889 2006-05-27 Ulrich Drepper <drepper@redhat.com>
1891 * libdw.h: Add extern "C".
1893 2006-05-22 Ulrich Drepper <drepper@redhat.com>
1895 * dwarf_getaranges.c (dwarf_getaranges): Handle files without
1896 aranges information.
1898 2006-05-21 Ulrich Drepper <drepper@redhat.com>
1900 * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs,
1903 2006-02-28 Roland McGrath <roland@redhat.com>
1905 * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*,
1906 DW_OP_* values, to match DWARF 3.0. Add new DW_DS_*, DW_END_*
1907 values from DWARF 3.0.
1909 2006-02-22 Roland McGrath <roland@redhat.com>
1911 * libdw.map: Bump to 0.120; export dwfl_version.
1913 2005-12-22 Roland McGrath <roland@redhat.com>
1915 * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report.
1917 2005-12-12 Roland McGrath <roland@redhat.com>
1919 * dwarf_ranges.c: Copy CU base address-finding code from
1922 2005-12-09 Roland McGrath <roland@redhat.com>
1924 * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys.
1925 Delay CU base lookup until it's needed.
1926 If CU base lookup fails with no error, flag invalid DWARF.
1928 2005-11-25 Roland McGrath <roland@redhat.com>
1930 * libdw.map: Bump to 0.118; export dwfl_module_register_names.
1932 2005-11-15 Roland McGrath <roland@redhat.com>
1934 * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic.
1936 2005-11-13 Roland McGrath <roland@redhat.com>
1938 * libdw.map: Bump to 0.117; export dwfl_module_return_value_location.
1940 2005-10-27 Roland McGrath <roland@redhat.com>
1942 * dwarf_entry_breakpoints.c (search_range): Fix binary search code;
1943 don't match end_sequence markers.
1945 * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers
1946 before normal records at the same address.
1947 * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence
1950 2005-10-26 Roland McGrath <roland@redhat.com>
1952 * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func.
1953 * dwarf_func_file.c: Renamed to ...
1954 * dwarf_decl_file.c: ... here.
1955 * dwarf_func_col.c: Renamed to ...
1956 * dwarf_decl_column.c: ... here.
1957 * dwarf_func_line.c: Renamed to ...
1958 * dwarf_decl_line.c: ... here.
1959 (dwarf_func_line): Renamed to ...
1960 (dwarf_decl_line): ... this. Take a Dwarf_Die * argument.
1961 (__libdw_func_intval): Renamed __libdw_attr_intval.
1962 * dwarf_func_name.c: File removed.
1963 * dwarf_func_lowpc.c: File removed.
1964 * dwarf_func_highpc.c: File removed.
1965 * dwarf_func_entrypc.c: File removed.
1966 * dwarf_func_die.c: File removed.
1967 * Makefile.am (libdw_a_SOURCES): Updated.
1968 * libdw.h: Update decls.
1969 (Dwarf_Func): Type removed.
1970 * libdwP.h: Update decls.
1971 (struct Dwarf_Func_s): Type removed.
1972 * libdw.map: Updated.
1974 * libdwP.h (CUDIE): New macro.
1975 * dwarf_getlocation.c (dwarf_getlocation_addr): Use it.
1976 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
1977 * dwarf_ranges.c (dwarf_ranges): Likewise.
1979 * dwarf_getloclist.c: Renamed to ...
1980 * dwarf_getlocation.c: ... here.
1981 (getloclist): Renamed to getlocation.
1982 (dwarf_getloclist): Renamed to dwarf_getlocation.
1983 (dwarf_addrloclists): Renamed to dwarf_getlocation_addr.
1984 * Makefile.am (libdw_a_SOURCES): Updated.
1985 * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation.
1986 (dwarf_addrloclists): Renamed dwarf_getlocation_addr.
1987 (Dwarf_Loc): Renamed Dwarf_Op.
1988 * libdwP.h (struct loc_s): Update use.
1989 * libdw.map: Update map.
1991 * dwarf_entry_breakpoints.c: Use the second line record within the
1992 function, regardless of its source location data.
1994 2005-10-25 Roland McGrath <roland@redhat.com>
1996 * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too.
1998 * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints.
2000 2005-10-14 Roland McGrath <roland@redhat.com>
2002 * dwarf_diecu.c (dwarf_diecu): New file.
2003 * Makefile.am (libdw_a_SOURCES): Add it.
2004 * libdw.h: Declare dwarf_diecu.
2005 * libdw.map: Export it.
2007 * libdw.map: Bump to 0.116; export dwarf_ranges.
2009 2005-09-20 Roland McGrath <roland@redhat.com>
2011 * dwarf_haspc.c: Use dwarf_ranges.
2012 * dwarf_entry_breakpoints.c: Likewise.
2014 * dwarf_ranges.c: New file.
2015 * Makefile.am (libdw_a_SOURCES): Add it.
2016 * libdw.h: Declare dwarf_ranges.
2017 * libdwP.h: Add INTDECL.
2019 2005-09-14 Roland McGrath <roland@redhat.com>
2021 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in
2022 prologue_end marker scanning loop.
2024 2005-09-11 Roland McGrath <roland@redhat.com>
2026 * dwarf.h: Comment typo fix.
2028 2005-09-07 Roland McGrath <roland@redhat.com>
2030 * dwarf_entry_breakpoints.c: New file.
2031 * Makefile.am (libdw_a_SOURCES): Add it.
2032 * libdw.h: Declare dwarf_entry_breakpoints.
2034 * dwarf_entrypc.c: New file.
2035 * Makefile.am (libdw_a_SOURCES): Add it.
2036 * libdw.h: Declare dwarf_entrypc.
2037 * libdwP.h: Add INTDECL.
2039 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2041 * Makefile.am: Use $(LINK) not $(CC) when creating DSO.
2042 (%.os): Use COMPILE.os.
2043 (COMPILE.os): Filter out gconv options.
2045 2005-08-27 Roland McGrath <roland@redhat.com>
2047 * dwarf_getscopes.c (dwarf_getscopes): Rewritten using
2048 __libdw_visit_scopes.
2050 * dwarf_getscopes_die.c: New file.
2051 * Makefile.am (libdw_a_SOURCES): Add it.
2052 * libdw.h: Declare dwarf_getscopes_die.
2053 * libdw.map: Bump to 0.115 and add it.
2055 * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct
2056 containing a DIE and its parent pointer, instead of just Dwarf_Die.
2057 Take two functions for both preorder and postorder visitors.
2058 * libdwP.h: Update decl.
2059 (struct Dwarf_Die_Chain): New type.
2060 * dwarf_func_inline.c: Update uses.
2062 * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate.
2064 * libdwP.h: Add INTDECL.
2065 * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename.
2067 2005-08-23 Roland McGrath <roland@redhat.com>
2069 * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat
2070 DW_AT_specification the same as DW_AT_abstract_origin.
2072 2005-08-20 Roland McGrath <roland@redhat.com>
2074 * libdw.map: Add dwfl_cumodule, remove dwfl_linecu.
2075 Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address,
2076 and dwfl_report_offline.
2078 2005-08-19 Roland McGrath <roland@redhat.com>
2080 * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes.
2081 Add dwfl_module_relocate_address, dwfl_module_relocations,
2082 dwfl_module_relocation_info.
2084 2005-08-18 Roland McGrath <roland@redhat.com>
2086 * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as
2087 outermost scope in the results.
2089 2005-08-15 Roland McGrath <roland@redhat.com>
2091 * dwarf_func_inline.c: New file.
2092 * Makefile.am (libdw_a_SOURCES): Add it.
2093 * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances.
2094 * libdw.map: Add them.
2096 * dwarf_func_die.c: New file.
2097 * Makefile.am (libdw_a_SOURCES): Add it.
2098 * libdw.h: Declare dwarf_func_die.
2099 * libdw.map: Add it. Bump version to ELFUTILS_0.114.
2101 2005-08-10 Ulrich Drepper <drepper@redhat.com>
2103 * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming
2104 of DW_LNS_set_epilog_begin.
2106 2005-08-09 Roland McGrath <roland@redhat.com>
2108 * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin.
2110 * dwarf_end.c: Add INTDEF.
2111 * dwarf_error.c (dwarf_errmsg): Likewise.
2112 * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs.
2114 2005-08-01 Roland McGrath <roland@redhat.com>
2116 * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset.
2117 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2119 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2121 * Makefile.am (libdw.so): No need to link with libeu.a anymore.
2122 (libdw_a_LIBADD): Add all files from libdwfl.a.
2124 2005-07-27 Roland McGrath <roland@redhat.com>
2126 * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in,
2127 along with ../libebl/libebl.a and ../lib/libeu.a;
2128 depend on ../libelf/libelf.so.
2129 (libdw_so_LDADD): New variable.
2130 * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map.
2132 * libdw.map: Define an empty base version and move all symbols to
2133 version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet.
2135 2005-07-23 Ulrich Drepper <drepper@redhat.com>
2137 * dwarf_error.c: Add internal alias for dwarf_errno.
2138 * libdwP.h: Declare __dwarf_errno_internal.
2139 * dwarf_getloclist.c: Use INTDEF for dwarf_errno.
2141 * dwarf_error.c [USE_TLS]: Actually use __thread in definition of
2144 2005-06-01 Roland McGrath <roland@redhat.com>
2146 * dwarf_getaranges.c (dwarf_getaranges): Sort result array.
2147 * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search.
2149 2005-06-08 Roland McGrath <roland@redhat.com>
2151 * memory-access.h (get_uleb128_step, get_uleb128): Remove casts.
2152 (get_sleb128_step, get_sleb128): Likewise.
2153 * dwarf_getattrs.c (dwarf_getattrs): Add consts.
2154 * dwarf_getloclist.c (getloclist): Likewise.
2155 * dwarf_formblock.c (dwarf_formblock): Likewise.
2156 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
2157 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
2158 * dwarf_formref.c (dwarf_formref): Likewise.
2159 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
2160 * dwarf_formudata.c (dwarf_formudata): Likewise.
2161 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
2162 * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise.
2163 * dwarf_tag.c (dwarf_tag): Likewise.
2164 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2165 * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise.
2166 * libdw_form.c (__libdw_form_val_len): Likewise.
2167 * libdwP.h: Update decl.
2169 2005-06-04 Roland McGrath <roland@redhat.com>
2171 * memory-access.h (get_uleb128_rest_return): New macro.
2172 [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it.
2173 (get_sleb128_rest_return): New macro.
2174 [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it.
2175 * memory-access.c: New file.
2176 * Makefile.am (libdw_a_SOURCES): Add it.
2177 (DEFS): Add -DIS_LIBDW.
2179 2005-05-31 Roland McGrath <roland@redhat.com>
2181 * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to
2184 2005-05-30 Roland McGrath <roland@redhat.com>
2186 * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base
2187 address if DW_AT_low_pc is missing. Not to spec, but GCC generates it.
2189 * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte
2190 BEGIN value. Instead, match base address entries separately for
2193 2005-05-28 Roland McGrath <roland@redhat.com>
2195 * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance
2196 past location expression contents.
2198 2005-05-23 Roland McGrath <roland@redhat.com>
2200 * dwarf_getsrclines.c: Comment typo fix.
2202 * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation.
2203 * dwarf_getloclist.c (dwarf_addrloclists): Likewise.
2205 2005-05-22 Ulrich Drepper <drepper@redhat.com>
2207 * libdwP.h: Only use INTDECL for alias prototypes.
2209 2005-05-19 Roland McGrath <roland@redhat.com>
2211 * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too.
2213 * dwarf_getscopevar.c: New file.
2214 * Makefile.am (libdw_a_SOURCES): Add it.
2215 * libdw.h: Declare dwarf_getscopevar.
2217 * dwarf_getsrcfiles.c: Add INTDEF.
2218 * dwarf_haschildren.c: Likewise.
2219 * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL.
2221 * dwarf_getscopes.c: New file.
2222 * Makefile.am (libdw_a_SOURCES): Add it.
2223 * libdw.h: Declare dwarf_getscopes.
2224 * libdw.map: Add it.
2226 2005-05-18 Roland McGrath <roland@redhat.com>
2228 * libdwP.h (IDX_debug_ranges): New enum constant.
2229 * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges".
2230 * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant.
2231 * dwarf_error.c (errmsgs): Add it.
2232 * dwarf_haspc.c: New file.
2233 * libdw.h: Declare dwarf_haspc.
2234 * libdw.map: Add it.
2235 * libdwP.h: Add INTDECL.
2237 * dwarf_attr_integrate.c: New file.
2238 * dwarf_hasattr_integrate.c: New file.
2239 * Makefile.am (libdw_a_SOURCES): Add them.
2240 * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate.
2241 * libdw.map: Add them.
2243 * dwarf_hasattr.c: Add INTDEF.
2244 * libdwP.h: Add INTDECL for it.
2246 * dwarf_formref_die.c: New file.
2247 * Makefile.am (libdw_a_SOURCES): Add it.
2248 * libdw.h (dwarf_formref_die): Declare it.
2249 * libdwP.h (dwarf_formref_die): Add INTDECL.
2250 * libdw.map: Add it.
2252 * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out
2254 (dwarf_getloclist): ... here. Call them.
2255 (dwarf_addrloclists): New function.
2256 * libdw.h: Declare it.
2257 * libdw.map: Add it.
2259 * dwarf_getmacros.c (dwarf_getmacros): Don't bail at
2260 DW_MACINFO_end_file. Recognize type 0 as terminator.
2262 2005-05-05 Roland McGrath <roland@redhat.com>
2264 * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search.
2266 * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since
2267 the line program does not produce all entries in ascending order.
2269 2005-04-25 Ulrich Drepper <drepper@redhat.com>
2271 * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple
2272 occurences (e.g., inlines) better.
2274 2005-04-24 Ulrich Drepper <drepper@redhat.com>
2276 * libdw.h (DWARF_END_ABBREV): Define.
2277 * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if
2279 * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end
2281 * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV
2282 as error of __libdw_getabbrev.
2284 2005-04-04 Ulrich Drepper <drepper@redhat.com>
2286 * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization.
2288 * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of
2289 results back to caller.
2291 2005-04-04 Roland McGrath <roland@redhat.com>
2293 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL.
2295 * dwarf_func_line.c (__libdw_func_intval): Use internal_function in
2298 2005-04-04 Ulrich Drepper <drepper@redhat.com>
2300 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE.
2302 * dwarf_getsrc_file.c: New file.
2303 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c.
2304 * libdw.h: Declare dwarf_getsrc_file.
2305 * libdw.map: Add dwarf_getsrc_file.
2307 2005-04-02 Ulrich Drepper <drepper@redhat.com>
2309 * dwarf_func_entrypc.c: New file.
2310 * dwarf_func_col.c: New file.
2311 * dwarf_func_line.c: New file.
2312 * dwarf_func_file.c: New file.
2313 * libdw.h: Add prototypes for new functions.
2314 * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line,
2316 * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c,
2317 dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c.
2318 * libdwP.h (struct Dwarf_Func_s): Add cudie element.
2319 Declare __libdw_func_intval and __dwarf_formsdata_internal.
2320 * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object.
2321 * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs.
2323 * dwarf.h: Add some DWARF3 definitions.
2325 2005-04-01 Ulrich Drepper <drepper@redhat.com>
2327 * dwarf_getfuncs.c: New file.
2328 * dwarf_func_highpc.c: New file.
2329 * dwarf_func_lowpc.c: New file.
2330 * dwarf_func_name.c: New file.
2331 * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c,
2332 dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c.
2333 * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc,
2334 and dwarf_func_name.
2335 * libdw.h: Add prototypes for new functions.
2336 * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs.
2337 * dwarf_siblingof.c: Likewise.
2338 * dwarf_dieoffset.c: Likewise.
2339 * dwarf_highpc.c: Likewise.
2340 * dwarf_lowpc.c: Likewise.
2341 * libdwP.h: Add prototypes for internal functions.
2342 Define Dwarf_Func_s structure.
2344 2005-03-29 Ulrich Drepper <drepper@redhat.com>
2346 * libdw.h: Add padding in Dwarf_die.
2348 * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs.
2349 * dwarf_attr.c: Likewise.
2350 * dwarf_begin.c: Likewise.
2351 * dwarf_begin_elf.c: Likewise.
2352 * dwarf_bitoffset.c: Likewise.
2353 * dwarf_bitsize.c: Likewise.
2354 * dwarf_bytesize.c: Likewise.
2355 * dwarf_diename.c: Likewise.
2356 * dwarf_formaddr.c: Likewise.
2357 * dwarf_formblock.c: Likewise.
2358 * dwarf_formref.c: Likewise.
2359 * dwarf_formstring.c: Likewise.
2360 * dwarf_formudata.c: Likewise.
2361 * dwarf_getarange_addr.c: Likewise.
2362 * dwarf_getarangeinfo.c: Likewise.
2363 * dwarf_getaranges.c: Likewise.
2364 * dwarf_getloclist.c: Likewise.
2365 * dwarf_getmacros.c: Likewise.
2366 * dwarf_getsrc_die.c: Likewise.
2367 * dwarf_getsrcfiles.c: Likewise.
2368 * dwarf_getsrclines.c: Likewise.
2369 * dwarf_highpc.c: Likewise.
2370 * dwarf_lowpc.c: Likewise.
2371 * dwarf_nextcu.c: Likewise.
2372 * dwarf_offdie.c: Likewise.
2373 * dwarf_siblingof.c: Likewise.
2374 * dwarf_srclang.c: Likewise.
2375 * dwarf_tag.c: Likewise.
2376 * libdw_findcu.c: Likewise.
2377 * libdwP.h: Add prototypes for internal functions.
2379 * dwarf_addrdie.c: New file.
2380 * dwarf_macro_opcode.c: New file.
2381 * dwarf_macro_param1.c: New file.
2382 * dwarf_macro_param2.c: New file.
2383 * libdw.h: Add declarations. Move Dwarf_Macro definition to libdwP.h.
2384 * libdwP.h: Remove Dwarf_Macro definition.
2385 * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c,
2386 dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c.
2387 * libdw.map: Add entries for new functions.
2389 2005-03-21 Ulrich Drepper <drepper@redhat.com>
2391 * libdw.h: Handle broken gcc < 4.
2393 2005-02-15 Ulrich Drepper <drepper@redhat.com>
2395 * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
2397 * dwarf_begin_elf.c: Fix warnings.
2398 * dwarf_dieoffset.c: Likewise.
2399 * dwarf_end.c: Likewise.
2400 * dwarf_error.c: Likewise.
2401 * dwarf_getpubnames.c: Likewise.
2403 * libdwP.h: Add new error values.
2404 * dwarf_error.c: Support new error values.
2405 * dwarf_getpubnames.c: Check parameter value.
2407 2005-02-05 Ulrich Drepper <drepper@redhat.com>
2409 * Makefile.am: Check for text relocations in constructed DSO.
2411 * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap.
2413 2005-02-04 Ulrich Drepper <drepper@redhat.com>
2415 * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary
2416 checks to not read over buffer boundaries for ill-formed DWARF data.
2418 2004-09-25 Ulrich Drepper <drepper@redhat.com>
2420 * dwarf_child.c: Make compile with gcc 4.0.
2421 * dwarf_error.c: Likewise.
2422 * dwarf_formblock.c: Likewise.
2423 * dwarf_getabbrev.c: Likewise.
2424 * dwarf_getattrs.c: Likewise.
2425 * dwarf_getsrclines.c: Likewise.
2426 * dwarf_tag.c: Likewise.
2427 * libdw_form.c: Likewise.
2429 2004-01-20 Ulrich Drepper <drepper@redhat.com>
2431 * Makefile.am: Support building with mudflap.
2433 * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out.
2434 * dwarf_getsrclines.c: Likewise.
2435 * dwarf_memory-access.h: Likewise.
2437 2004-01-19 Ulrich Drepper <drepper@redhat.com>
2439 * dwarf_getsrcfiles.c: Third parameter can be NULL.
2441 * libdw.h: Define Dwarf_macro. Declare dwarf_getmacros.
2442 Third parameter of dwarf_getsrcfiles can be NULL.
2444 * libdw.map: Add dwarf_getmacros.
2445 * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros.
2446 * dwarf_getmacros.c: New file.
2448 2004-01-18 Ulrich Drepper <drepper@redhat.com>
2450 * libdw.h: Second parameter of dwarf_getaranges can be NULL.
2452 * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL.
2454 * dwarf_getsrclines.c:
2455 Use read_2ubyte_unaligned_inc instead of _inc-less variant.
2457 * dwarf_getaranges.c: Allow naranges parameter to be NULL.
2459 * libdwP.h (_): Use elfutils domain.
2461 * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction.
2463 * dwarf_getsrclines.c: Fix typo in comment.
2465 2004-01-17 Ulrich Drepper <drepper@redhat.com>
2467 * Makefile.am: Support building with mudflap.
2469 2004-01-16 Ulrich Drepper <drepper@redhat.com>
2471 * memory-access.h: Add lots of const in case a pointer passed is const.
2473 * dwarf_formflag.c: New file.
2474 * dwarf_getattrs.c: New file.
2475 * dwarf_error.c: Add new error value.
2476 * libdw.h: Add prototypes for new functions. Adjust prototype for
2478 * libdw.map: Add new functions.
2479 * dwarf_getpubnames.c: Change type of return value and fourth parameter
2481 * libdwP.h: Add new error value.
2482 * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and
2485 * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL.
2487 2004-01-12 Ulrich Drepper <drepper@redhat.com>
2489 * dwarf_getarange_addr.c: New file
2490 * dwarf_getarangeinfo.c: New file.
2491 * dwarf_getaranges.c: New file.
2492 * dwarf_onerange.c: New file.
2493 * libdw.h: Declare new functions. Define Dwarf_Arange and
2495 * libdw.map: Add new functions.
2496 * libdwP.h: Add new errors. Add aranges member to struct Dwarf.
2497 Define Dwarf_Aranges_s and Dwarf_Arange_s.
2498 * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c,
2499 dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c.
2500 * dwarf_error.c: Add new message.
2502 2004-01-11 Ulrich Drepper <drepper@redhat.com>
2504 * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c,
2505 dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c,
2506 dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c.
2507 * dwarf_error.c: Add another message.
2508 * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines
2510 * dwarf_filesrc.c: Likewise.
2511 * dwarf_getsrcfiles.c: Likewise.
2512 * dwarf_getsrclines.c: Likewise.
2513 * dwarf_lineaddr.c: New file.
2514 * dwarf_linebeginstatement.c: New file.
2515 * dwarf_lineblock.c: New file.
2516 * dwarf_linecol.c: New file.
2517 * dwarf_lineendsequence.c: New file.
2518 * dwarf_lineepiloguebegin.c: New file.
2519 * dwarf_lineno.c: New file.
2520 * dwarf_lineprologueend.c: New file.
2521 * dwarf_onesrcline.c: New file.
2522 * dwarf_lineno.c: Change interface to store result in object pointed
2523 to by second parameter.
2524 * libdw.h: Add prototypes for new functions. Change dwarf_lineno
2525 prototype. Define Dwarf_Files and Dwarf_Lines.
2526 * libdw.map: Add new functions.
2527 * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s.
2528 * libdw_findcu.c: Don't initialize nlines field.
2530 * dwarf_siblingof: Little optimization.
2532 * dwarf_begin.c: Remember that the ELF descriptor must be closed.
2533 * dwarf_end.c: Close ELF descriptor if free_elf is set.
2534 * libdwP.h (struct Dwarf): Add free_elf field.
2536 * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and
2538 * dwarf_getstring.c: New file.
2539 * dwarf_offabbrev.c: New file.
2540 * libdw.map: Add dwarf_getstring and dwarf_offabbrev.
2541 * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result
2542 parameters. Don't allocate memory if not necessary and don't lookup
2543 previous results if no CU given.
2544 (dwarf_getabbrev): Adjust call to __libdw_getabbrev.
2545 * dwarf_tag.c: Adjust call to __libdw_getabbrev.
2546 * libdw.h: Declare dwarf_offabbrev and dwarf_getstring.
2547 * libdwP.h: Change prototype for __libdw_getabbrev.
2549 * dwarf_getabbrevattr.c: Add offsetp parameter. Fill in before
2550 returning if this is wanted.
2552 2004-01-09 Ulrich Drepper <drepper@redhat.com>
2554 * dwarf_nextcu.c: Add new parameter offset_sizep. Initialize it
2555 with offset_size value.
2556 * libdw.h: Adjust dwarf_nextcu prototype.
2557 * libdwP.h (struct Dwarf_CU): Add offset_size member.
2558 * libdw_findcu.c: Adjust dwarf_nextcu call. Initialize offset_size
2559 member of new CU struct.
2560 * dwarf_formstring.c: Depend on offset_size not address_size for
2561 DW_FORM_strp handling.
2562 * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr.
2564 * dwarf_tag.c (__libdw_findabbrev): Return correct value for
2566 (dwarf_tag): Correctly recognize failed lookup.
2568 * dwarf_end.c (cu_free): Call tdestroy for locs member. Use new
2570 * dwarf_error.c: Add message for DWARF_E_NO_BLOCK.
2571 * dwarf_formblock.c: New file.
2572 * dwarf_getloclist.c: Rewrite to handle a single block.
2573 * libdw.h: Define Dwarf_Block. Rename Dwarf_Loc members. Remove
2574 Dwarf_Locdesc definition. Declare dwarf_formblock. Remove
2575 dwarf_getloclistent declaration.
2576 * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent.
2577 * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK.
2578 Add locs member to struct Dwarf_CU.
2579 * libdw_fundcu.c: Initialize locs member of new CU.
2580 * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c.
2581 Remove dwarf_getloclistent.c.
2583 2004-01-07 Ulrich Drepper <drepper@redhat.com>
2585 * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3.
2586 * libdwP.h: Likewise.
2588 * dwarf_getloclist.c: New file.
2589 * dwarf_getloclistent.c: New file.
2590 * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc.
2591 Declare dwarf_getloclistent and dwarf_getloclist.
2592 * libdw.map: Add dwarf_getloclistent and dwarf_getloclist.
2593 * libdwP.h: Define DWARF_E_NO_LOCLIST.
2594 * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and
2597 * dwarf_error.c: More error messages.
2599 2004-01-06 Ulrich Drepper <drepper@redhat.com>
2601 * dwarf_getsrclines.c: Remove debugging support.
2603 * dwarf_getsrcfiles.c: New file.
2604 * dwarf_filesrc.c: New file.
2605 * libdw.h: Declare these functions. Define Dwarf_File.
2606 * libdwP.c: Adjust Dwarf_File_s definition.
2607 * libdw.map: Add these functions.
2608 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and
2610 * dwarf_getsrclines.c: Initialize cu->files.
2612 2004-01-05 Ulrich Drepper <drepper@redhat.com>
2614 * libdw.h: Add more nonnull function attributes.
2616 * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next.
2617 * dwarf_end.c (cu_free): New function.
2618 (dwarf_end): Also free CU tree. Correct freeing of memory blocks.
2619 * dwarf_error.c (errmsgs): Add new messages.
2620 * dwarf_getsrc_die.c: New file.
2621 * dwarf_getsrclines.c: New file.
2622 * dwarf_lineno.c: New file.
2623 * dwarf_linesrc.c: New file.
2624 * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc
2625 instead of the *_inc-less variants.
2626 * libdw.h: Define Dwarf_Line. Add some function attributes. Declare
2627 dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc.
2628 * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno,
2630 * libdwP.h: Add more error codes.
2631 (struct Dwarf): Remove mem_tail.next member.
2632 (Dwarf_File): Define type.
2633 (struct Dwarf_Line_s): Define type.
2634 (struct Dwarf_CU): Add lines and nlines members.
2635 (libdw_alloc): Define local variable _tail and use it.
2636 Add some function attributes.
2637 * libdw_alloc.c (__libdw_allocate): Don't initialize next member.
2638 * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members.
2639 * memory-access.h: Add unlikely for the endian conversion paths.
2640 * Makefile.am (AM_CFLAGS): Add -std parameter.
2641 (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die,
2642 dwarf_lineno, and dwarf_linesrc.
2644 2003-08-11 Ulrich Drepper <drepper@redhat.com>
2646 * Moved to CVS archive.