1 2018-03-23 Mark Wielaard <mark@klomp.org>
3 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_str_offsets,
5 * dwarf_error.c (errmsgs): Add DWARF_E_NO_STR_OFFSETS.
6 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strx[1234].
7 (__libdw_cu_str_off_base): New function.
8 * dwarf_formudata.c (dwarf_formudata): Handle IDX_debug_str_offsets
10 * libdwP.h: Add IDX_debug_str_offsets and DWARF_E_NO_STR_OFFSETS.
11 (struct Dwarf_CU): Add str_off_base field.
12 (__libdw_cu_str_off_base): New function declaration.
14 2018-03-22 Mark Wielaard <mark@klomp.org>
16 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_addr.
17 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_ADDR.
18 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_addrx[1234].
19 (__libdw_cu_addr_base): New function.
20 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_addr_base as
22 * libdwP.h: Add IDX_debug_addr and DWARF_E_NO_DEBUG_ADDR.
23 (struct Dwarf_CU): Add addr_base field.
24 (__libdw_cu_addr_base): New function definition.
25 * memory-access.h (file_byte_order): New static function.
26 (read_3ubyte_unaligned): New inline function.
28 2018-03-29 Mark Wielaard <mark@klomp.org>
30 * libdw.h (dwarf_decl_file): Extend documentation.
31 (dwarf_linesrc): Likewise.
32 (dwarf_filesrc): Likewise.
34 2018-03-06 Mark Wielaard <mark@klomp.org>
36 * dwarf.h: Add DW_OP_implicit_pointer, DW_OP_addrx, DW_OP_constx,
37 DW_OP_entry_value, DW_OP_const_type, DW_OP_regval_type,
38 DW_OP_deref_type, DW_OP_xderef_type, DW_OP_convert and
40 * dwarf_getlocation.c (__libdw_intern_expression): Handle
41 DW_OP_convert, DW_OP_reinterpret, DW_OP_addrx, DW_OP_constx,
42 DW_OP_regval_type, DW_OP_entry_value, DW_OP_implicit_pointer,
43 DW_OP_deref_type, DW_OP_xderef_type and DW_OP_const_type.
44 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Handle
45 DW_OP_entry_value, DW_OP_const_type and DW_OP_implicit_pointer.
46 * dwarf_getlocation_die.c (dwarf_getlocation_die): Handle
47 DW_OP_implicit_pointer, DW_OP_convert, DW_OP_reinterpret,
48 DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type and
50 * dwarf_getlocation_implicit_pointer.c
51 (dwarf_getlocation_implicit_pointer): Handle DW_OP_implicit_pointer.
53 2018-03-01 Mark Wielaard <mark@klomp.org>
55 * dwarf.h: Add DW_AT_GNU_locviews and DW_AT_GNU_entry_view.
56 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_GNU_locviews
59 2018-02-09 Mark Wielaard <mark@klomp.org>
61 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_data16 as a
64 2018-02-09 Mark Wielaard <mark@klomp.org>
66 * dwarf_child.c (__libdw_find_attr): Handle DW_FORM_implicit_const.
67 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
68 * dwarf_formudata.c (dwarf_formudata): Likewise.
69 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
70 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
71 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
72 * dwarf_getabbrevattr.c (dwarf_getabbrevattr_data): New function
73 that will also return any data associated with the abbrev. Which
74 currently is only for DW_FORM_implicit_const. Based on...
75 (dwarf_getabbrevattr): ... this function. Which now just calls
76 dwarf_getabbrevattr_data.
77 * libdw.h (dwarf_getabbrevattr_data): Declare new function.
78 * libdw.map (ELFUTILS_0.170): Add dwarf_getabbrevattr_data.
79 * libdwP.h (dwarf_getabbrevattr_data): INTDECL.
80 * memory-access.h (__libdw_get_sleb128_unchecked): New inlined
81 function based on __libdw_get_uleb128_unchecked.
83 2018-02-08 Mark Wielaard <mark@klomp.org>
85 * dwarf.h: Add DWARF5 DW_FORMs.
86 * libdwP.h (__libdw_form_val_compute_len): Handle fix length
87 DW_FORM_implicit_const, DW_FORM_addrx[1234], DW_FORM_strx[1234],
88 DW_FORM_ref_sup[48] and DW_FORM_data16.
89 * libdw_form.c (__libdw_form_val_compute_len): DW_FORM_strp_sup
90 and DW_FORM_line_strp are offset_size. DW_FORM_addrx, DW_FORM_strx,
91 DW_FORM_loclistx and DW_FORM_rnglistx are uleb128.
93 2018-01-30 Mark Wielaard <mark@klomp.org>
95 * Makefile.am (libdw_a_SOURCES): Add dwarf_get_units.c.
96 * dwarf_get_units.c: New file.
97 * libdw.h (dwarf_get_units): New function declaration.
98 * libdw.map (ELFUTILS_0.170): Add dwarf_get_units.
100 2018-01-29 Mark Wielaard <mark@klomp.org>
102 * dwarf.h (DW_UT_*): Add DWARF Unit Header Types.
103 * dwarf_cu_die.c (dwarf_cu_die): Rename arguments. type_signaturep
104 is now called unit_idp. type_offsetp is now called subdie_offsetp.
105 * dwarf_formref_die.c (dwarf_formref_die): Scan both .debug_info
106 and .debug_types sections for type units when type signature ref
108 * dwarf_getaranges.c (dwarf_getaranges): Use __libdw_findcu and
109 __libdw_first_die_off_from_cu instead of trying by hand.
110 * dwarf_getlocation_die.c (dwarf_getlocation_die): Use ISV4TU
111 instead of checking type_offset by hand.
112 * dwarf_getlocation_implicit_pointer.c
113 (dwarf_getlocation_implicit_pointer): Likewise.
114 * dwarf_nextcu.c (dwarf_next_unit): Call __libdw_next_unit.
115 (__libdw_next_unit): New function based on dwarf_next_unit with
116 DWARF5 header support.
117 * libdwP.h (struct Dwarf_CU): Renamed type_offset to subdie_offset
118 and type_sig8 to unit_id8.
119 (ISV4TU): New macro to determine whether a CU is a version 4 type
120 unit (which comes from the .debug_types section).
121 (DIE_OFFSET_FROM_CU_OFFSET): Replaced macro by real function...
122 (__libdw_first_die_from_cu_start): ... that also handles DWARF5
124 (__libdw_first_die_off_from_cu): New function that calls the above
126 (CUDIE): Use __libdw_first_die_off_from_cu.
127 (SUBDIE): New macro that provides the DIE for a CU using the
129 (__libdw_next_unit): New internal function declaration.
130 * libdw_findcu.c (__libdw_intern_next_unit): Use __libdw_next_unit.
131 Accept DWARF version 5 headers. Setup unit_type.
132 (__libdw_findcu): Rename debug_types argument to v4_debug_types
133 argument (to indicate that we are looking in the .debug_types
134 section). Support finding the exact offset (unit header start).
136 2018-01-25 Mark Wielaard <mark@klomp.org>
138 * Makefile.am (libdw_a_SOURCES): Add dwarf_die_addr_die.c.
139 * dwarf_die_addr_die.c: New file.
140 * libdw.h (dwarf_die_addr_die): New function declaration.
141 * libdw.map (ELFUTILS_0.171): New section with dwarf_die_addr_die.
142 * libdwP.h (__libdw_findcu_addr): New internal function declaration.
143 * libdw_findcu.c (__libdw_findcu_addr): New internal function.
145 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
147 * cfi.c (execute_cfi): Use FALLTHROUGH macro instead of comment.
148 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
150 2018-01-22 Mark Wielaard <mark@klomp.org>
152 * Makefile.am (AM_CPPFLAGS): Add -I libdwelf.
153 * dwarf_begin_elf.c (dwarf_begin_elf): Initialize Dwarf alt_fd to -1.
154 * dwarf_end.c (dwarf_end): Call dwarf_end and close on the alt_dwarf
155 and alt_fd if we allocated them.
156 * dwarf_fromref_die.c (dwarf_formref_die): Call dwarf_getalt.
157 * dwarf_formstring.c (dwarf_formstring): Likewise.
158 * dwarf_getalt.c (__libdw_filepath): New internal function.
159 (find_debug_altlink): New static function.
160 (dwarf_getalt): Check Dwarf alt_dwarf and call find_debug_altlink.
162 * dwarf_setalt.c (dwarf_setalt): Clean up Dwarf alt_dwarf and alt_fd
164 * libdw.h (dwarf_getalt): Extend documentation.
165 (dwarf_setalt): Likewise.
166 * libdwP.h (struct Dwarf): Add alt_fd field.
167 (filepath): Declare new internal function.
169 2018-01-14 Petr Machata <pmachata@gmail.com>
171 * dwarf_formsdata.c (dwarf_formsdata):
172 <DW_FORM_data1>: Cast to signed char.
173 <DW_FORM_data2,4,8>: Use read_*sbyte_unaligned instead of
174 read_*ubyte_unaligned.
176 2017-12-26 Mark Wielaard <mark@klomp.org>
178 * libdwP.h (struct Dwarf_Abbrev): Pack struct. Remove attrcnt,
179 use bitfields for has_children and code.
180 * dwarf_getabbrev.c (__libdw_getabbrev): Don't count attrs.
181 * dwarf_getattrcnt.c (dwarf_getattrcnt): Count attrs.
183 2017-12-26 Mark Wielaard <mark@klomp.org>
185 * memory-access.h (__libdw_get_uleb128_unchecked): New function.
186 (get_uleb128_unchecked): New define.
187 * dwarf_child.c (__libdw_find_attr): Use get_uleb128_unchecked to
188 read attr name and form.
189 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
190 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
191 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
193 2017-12-28 Mark Wielaard <mark@klomp.org>
195 * dwarf_offdie.c (__libdw_offdie): Check sectiondata exists.
197 2017-05-09 Ulf Hermann <ulf.hermann@qt.io>
198 Mark Wielaard <mark@klomp.org>
200 * libdwP.h (__libdw_in_section): Fix check for the upper border of
202 (__libdw_offset_in_section): Likewise.
204 2017-12-20 Mark Wielaard <mark@klomp.org>
206 * libdwP.h (struct Dwarf_CU): Add sec_idx field.
207 (cu_sec_idx): Return cu->sec_idx.
208 * libdw_findcu.c (__libdw_intern_next_unit): Set cu sec_idx to
209 IDX_debug_info or IDX_debug_types.
210 * dwarf_begin_elf.c (valid_p): Set fake_loc_cu->sec_idx to
212 * dwarf_getmacros.c (read_macros): Set fake_cu->sec_idx to
213 IDX_debug_macro or IDX_debug_macinfo.
215 2017-12-12 Mark Wielaard <mark@klomp.org>
217 * dwarf_aggregate_size.c (dwarf_aggregate_size): Don't peel the
218 given DIE. Reserve memory for a new DIE first.
220 2017-12-11 Dima Kogan <dima@secretsauce.net>
222 * dwarf_aggregate_size.c (array_size): Handle multi-dimensional
225 2017-11-03 Mark Wielaard <mark@klomp.org>
227 * dwarf_getlocation.c (__libdw_intern_expression): Handle
228 DW_OP_GNU_variable_value.
229 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Likewise.
230 * dwarf_getlocation_die.c (dwarf_getlocation_die): Likewise.
232 2017-11-03 Mark Wielaard <mark@klomp.org>
234 * dwarf_getlocation.c (attr_ok): Always accept DW_FORM_exprloc.
235 Update list of acceptable attribute codes based on DWARF5.
237 2017-11-03 Mark Wielaard <mark@klomp.org>
239 * dwarf.h: Add DW_OP_GNU_variable_value.
241 2017-10-03 Mark Wielaard <mark@klomp.org>
243 * libdw.h: Define LIBDW_CIE_ID and use it in dwarf_cfi_cie_p.
245 2017-08-18 Ulf Hermann <ulf.hermann@qt.io>
247 * memory-access.h: Use attribute_packed.
249 2017-02-27 Ulf Hermann <ulf.hermann@qt.io>
251 * libdwP.h: Use attribute_hidden.
252 * libdw_alloc.c: Likewise.
254 2017-02-27 Ulf Hermann <ulf.hermann@qt.io>
256 * Makefile.am: Use fpic_CFLAGS and dso_LDFLAGS.
258 2017-07-26 Mark Wielaard <mark@klomp.org>
260 * dwarf.h: Add DW_MACRO_* and compat defines for DW_MACRO_GNU_*.
261 * dwarf_getmacros.c (get_table_for_offset): Accept either version
262 4 or 5. Use DW_MACRO names instead of DW_MACRO_GNU names.
263 (read_macros): Use table version for fake_cu.
265 2017-07-26 Mark Wielaard <mark@klomp.org>
267 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_immutable_type,
268 DW_TAG_packed_type and DW_TAG_shared_type.
269 * libdw.h (dwarf_peel_type): Extend documentation.
271 2017-07-26 Mark Wielaard <mark@klomp.org>
273 * dwarf.h: Add DW_DEFAULTED_no, DW_DEFAULTED_in_class and
274 DW_DEFAULTED_out_of_class.
276 2017-07-26 Mark Wielaard <mark@klomp.org>
278 * dwarf.h: Add DW_CC_pass_by_reference and DW_CC_pass_by_reference.
280 2017-07-26 Mark Wielaard <mark@klomp.org>
282 * dwarf_default_lower_bound.c: New file.
283 * Makefile.am (libdw_a_SOURCES): Add dwarf_default_lower_bound.c.
284 * dwarf_aggregate_size.c (array_size): Use dwarf_default_lower_bound.
285 * dwarf_error.c (errmsgs): Add DWARF_E_UNKNOWN_LANGUAGE.
286 * libdw.h: Add dwarf_default_lower_bound.
287 * libdw.map (ELFUTILS_0.170): Add dwarf_default_lower_bound.
288 * libdwP.h: Add DWARF_E_UNKNOWN_LANGUAGE and
289 dwarf_default_lower_bound INTDECL.
291 2017-07-26 Mark Wielaard <mark@klomp.org>
293 * dwarf.h: Add DW_LANG_OpenCL, DW_LANG_Modula3,
294 DW_LANG_C_plus_plus_03, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift,
295 DW_LANG_Julia, DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_BLISS.
296 * dwarf_aggregate_size.c (array_size): Add lower bound for
297 DW_LANG_C_plus_plus_03, DW_LANG_Python, DW_LANG_OpenCL,
298 DW_LANG_Haskell, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift,
299 DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_Modula3,
300 DW_LANG_Julia and DW_LANG_BLISS.
302 2017-07-26 Mark Wielaard <mark@klomp.org>
304 * dwarf.h: Add DW_ATE_UCS and DW_ATE_ASCII.
306 2017-07-25 Mark Wielaard <mark@klomp.org>
308 * dwarf.h: Add DW_TAG_coarray_type, DW_TAG_generic_subrange,
309 DW_TAG_dynamic_type, DW_TAG_call_site, DW_TAG_call_site_parameter,
310 DW_TAG_skeleton_unit, DW_TAG_immutable_type. Add reserved comments
311 for currently unused numbers.
313 2017-07-25 Mark Wielaard <mark@klomp.org>
315 * dwarf.h (DWARF attributes enum): Remove DW_AT_subscr_data,
316 DW_AT_element_list and DW_AT_member. Add DWARF5 attribute constants.
317 (DW_AT_subscr_data, DW_AT_element_list, DW_AT_member): New defines.
319 2017-07-21 Mark Wielaard <mark@klomp.org>
321 * dwarf_line_file.c: New file.
322 * Makefile.am (libdw_a_SOURCES): Add dwarf_line_file.c.
323 * libdw.h (dwarf_line_file): New function declaration.
324 * libdw.map (ELFUTILS_0.170): New. Add dwarf_line_file.
326 2017-02-17 Ulf Hermann <ulf.hermann@qt.io>
328 * Makefile.am: Add libdw_so_LIBS to specify the archives libdw is is
329 made of, libdw_so_DEPS for libraries it depends on (including
330 libeu.a), libdw_so_LDLIBS to specify libraries libdw links against.
331 (libdw.so$(EXEEXT)): Add $(libdw_so_LDLIBS), remove enumeration of
332 library dependencies, use libdw_so_LIBS rather than relying on the
333 order of dependencies specified, add -z,relro.
335 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
337 * libdw.h: Remove attribute macro declarations and use
338 __noreturn_attribute__ as defined in libelf.h.
340 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
342 * dwarf_begin_elf.c: Include endian.h.
344 2017-03-30 Mark Wielaard <mjw@redhat.com>
346 * dwarf_peel_type.c (dwarf_peel_type): Call dwarf_attr_integrate on
349 2016-10-22 Mark Wielaard <mjw@redhat.com>
351 * dwarf.h: Correct spelling of DW_LANG_PLI. Add compatibility define.
352 * dwarf_aggregate_size.c (array_size): Use correct spelling of
355 2016-11-02 Mark Wielaard <mjw@redhat.com>
357 * cfi.c (execute_cfi): Add fallthrough comments.
358 * encoded-value.h (encoded_value_size): Add explicit return instead
359 of relying on fallthrough.
360 * dwfl_report_elf.c (__libdwfl_elf_address_range): Add fallthrough
363 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
365 * dwarf_getpubnames.c: Remove sys/param.h include, add system.h.
366 * libdw_alloc.c: Likewise.
368 2016-07-08 Mark Wielaard <mjw@redhat.com>
370 * libdw.map (ELFUTILS_0.167): New. Add dwelf_strtab_init,
371 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize,
372 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free.
374 2016-02-13 Mark Wielaard <mjw@redhat.com>
376 * dwarf_getsrclines.c (read_srclines): Calculate ndirs first, then
379 2015-12-18 Mark Wielaard <mjw@redhat.com>
381 * libdwP.h (struct Dwarf): Remove sectiondata_gzip_mask.
382 (__libdw_free_zdata): Remove.
383 * dwarf_begin_elf.c (inflate_section): Remove.
384 (check_section): Remove __libdw_free_zdata calls. Use elf_compress
385 and elf_compress_gnu to decompress if necessary.
386 (valid_p): Remove __libdw_free_zdata calls.
387 (scngrp_read): Use elf_compress if section is compressed. Remove
388 __libdw_free_zdata calls.
389 * dwarf_end.c (__libdw_free_zdata): Remove.
390 (dwarf_end): Don't call __libdw_free_zdata.
392 2015-10-28 Mark Wielaard <mjw@redhat.com>
394 * libdw.map (ELFUTILS_0.165): New. Add dwelf_scn_gnu_compressed_size.
396 2015-12-02 Mark Wielaard <mjw@redhat.com>
398 * fde.c (intern_fde): Don't leak duplicate FDEs.
400 2015-12-01 Mark Wielaard <mjw@redhat.com>
402 * fde.c (intern_fde): Don't intern an fde that doesn't cover a
405 2015-12-01 Mark Wielaard <mjw@redhat.com>
407 * dwarf_end.c (dwarf_end): Call cu_free on fake_loc_cu if it exists.
409 2015-10-14 Chih-Hung Hsieh <chh@google.com>
411 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Move recursive
412 functions 'add_bkpt', 'entrypc_bkpt', and 'search_range' to file scope.
414 2015-10-14 Chih-Hung Hsieh <chh@google.com>
416 * libdw_visit_scopes.c (__libdw_visit_scopes): Move recursive nested
417 function 'walk_children' to file scope; inline 'recurse' at its call
420 2015-10-19 Mark Wielaard <mjw@redhat.com>
422 * frame-cache.c (__libdw_destroy_frame_cache): Call ebl_closebackend
425 2015-10-16 Dmitry V. Levin <ldv@altlinux.org>
427 * dwarf_getsrclines.c (read_srclines): Initialize state early.
429 2015-10-13 Chih-Hung Hsieh <chh@google.com>
431 * dwarf_getsrclines.c (read_srclines): Move nested functions
432 'advance_pc' and 'add_new_line' to file scope and keep many
433 local state variables within one structure.
435 2015-10-13 Chih-Hung Hsieh <chh@google.com>
437 * dwarf_getscopevar.c (dwarf_getscopevar): Move nested
438 function 'file_matches' to file scope.
440 2015-10-16 Mark Wielaard <mjw@redhat.com>
442 * Makefile.am (libdw.so): Add -lz.
444 2015-10-14 Chih-Hung Hsieh <chh@google.com>
446 * cfi.c (execute_cfi): Move nested functions 'enough_registers'
447 and 'require_cfa_offset' to file scope.
449 2015-10-09 Josh Stone <jistone@redhat.com>
451 * dwarf_begin.c (dwarf_begin): Replace stat64 and fstat64 with stat
454 2015-10-05 Josh Stone <jistone@redhat.com>
456 * Makefile.am (libdw.so): Add AM_V_CCLD and AM_V_at silencers.
458 2015-09-24 Jose E. Marchesi <jose.marchesi@oracle.com>
460 * Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid
461 relocation overflows in some platforms.
463 2015-09-23 Mark Wielaard <mjw@redhat.com>
465 * dwarf_error.c (__libdw_seterrno): Mark as internal_function.
466 * dwarf_formref.c (__libdw_formref): Likewise.
467 * libdw_findcu.c (__libdw_findcu): Likewise.
468 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
470 2015-09-22 Mark Wielaard <mjw@redhat.com>
472 * *.c: Remove old-style function definitions.
474 2015-09-15 Mark Wielaard <mjw@redhat.com>
476 * dwarf_peel_type.c (dwarf_peel_type): Don't reassign result pointer.
478 2015-09-09 Chih-Hung Hsieh <chh@google.com>
480 * dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Remove
481 redundant NULL tests on parameters declared with __nonnull_attribute__.
482 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
483 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise.
485 2015-09-04 Chih-Hung Hsieh <chh@google.com>
486 Mark Wielaard <mjw@redhat.com>
488 * dwarf_getlocation.c (getlocations_addr): Replace K&R function
489 definition with ansi-C definition and add const qualifier to
492 2015-09-04 Chih-Hung Hsieh <chh@google.com>
494 * libdw_findcu.c (__libdw_intern_next_unit): Replace K&R function
495 definition with ansi-C definitions.
496 (__libdw_findcu): Likewise.
498 2015-08-25 Mark Wielaard <mjw@redhat.com>
500 * dwarf.h: Add DW_LANG_Haskell.
502 2015-06-18 Mark Wielaard <mjw@redhat.com>
504 * dwarf_begin_elf.c (dwarf_begin_elf): Assert page size is big enough
507 2015-06-18 Mark Wielaard <mjw@redhat.com>
509 * dwarf_getpubnames.c (get_offsets): Always free mem on error.
511 2015-06-18 Mark Wielaard <mjw@redhat.com>
513 * dwarf_getmacros.c (get_macinfo_table): Return NULL when
514 dwarf_formudata reports an error.
515 (get_table_for_offset): Likewise.
517 2015-06-08 Mark Wielaard <mjw@redhat.com>
519 * dwarf_getsrclines.c (read_srclines): Initialize dirarray early.
521 2015-06-06 Mark Wielaard <mjw@redhat.com>
523 * dwarf_getsrclines.c (read_srclines): Initialize filelist early.
525 2015-05-27 Mark Wielaard <mjw@redhat.com>
527 * encoded-value.h (read_encoded_value): Check data d_size contains
528 at least enough data to hold a pointer for DW_EH_PE_indirect.
530 2015-05-22 Mark Wielaard <mjw@redhat.com>
532 * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines
533 with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with
534 MAX_STACK_DIRS. Calculate number of dirs needed first, then
535 create dirarray directly, without needing the next field. Free
536 not stack allocated lines and files at the end.
538 2015-05-19 Mark Wielaard <mjw@redhat.com>
540 * dwarf_getlocation.c (__libdw_intern_expression): Create a stack
541 allocated array to hold locs. Allocate locs bigger than the array
542 with malloc and free them when done.
544 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
546 * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator.
547 * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message.
548 * dwarf_begin_elf.c (inflate_section): New static function, lifted
550 (check_section): ... here. Call inflate_section, set libdw errno to
551 DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated.
553 2015-05-11 Jonathan Lebon <jlebon@redhat.com>
555 * dwarf_begin_elf.c (check_section): Add compressed flag. Always
556 check for .zdebug sections. Only wrap decompression in #if USE_ZLIB.
558 2015-05-06 Mark Wielaard <mjw@redhat.com>
560 * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and
561 check the line number.
563 2015-05-05 Mark Wielaard <mjw@redhat.com>
565 * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data
566 left before reading values.
568 2015-05-04 Anthony G. Basile <blueness@gentoo.org>
570 * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link
573 2015-04-22 Mark Wielaard <mjw@redhat.com>
575 * memory-access.h (__libdw_max_len_leb128): Take type_len as argument.
576 (__libdw_max_len_uleb128): New function.
577 (__libdw_max_len_sleb128): Likewise.
578 (__libdw_get_uleb128): Use __libdw_max_len_uleb128.
579 (__libdw_get_sleb128): Use __libdw_max_len_sleb128.
581 2015-04-21 Mark Wielaard <mjw@redhat.com>
583 * dwarf_getmacros.c (read_macros): Allocate attributes dynamically
584 when there are more than 8.
586 2015-04-01 Petr Machata <pmachata@redhat.com>
588 * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator.
589 (is_cudie): New function.
590 * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE.
591 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead
592 of white-listing valid tags.
593 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
595 2015-03-18 Petr Machata <pmachata@redhat.com>
597 * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h.
598 (EXTRA_DIST): Remove known-dwarf.h.
600 2015-02-09 Mark Wielaard <mjw@redhat.com>
602 * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08.
603 * dwarf_aggregate_size.c (array_size): Recognize array lower bound
604 for new Fortran language codes is 1.
606 2015-02-09 Mark Wielaard <mjw@redhat.com>
608 * dwarf.h: Add DW_TAG_atomic_type.
609 * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type.
610 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type.
612 2015-02-11 Josh Stone <jistone@redhat.com>
614 * encoded-value.h (read_encoded_value): Initialize value.
616 2015-02-11 Petr Machata <pmachata@redhat.com>
618 * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither
619 DW_AT_entry_pc nor DW_AT_low_pc are available. Instead remember
620 the fact in *BASEP and bail out later if it hasn't been updated by
621 __libdw_read_begin_end_pair_inc.
623 2014-12-24 Mark Wielaard <mjw@redhat.com>
625 * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record
626 smaller than or equal to addr, rather than returning immediately on
629 2015-01-07 Mark Wielaard <mjw@redhat.com>
631 * cfi.h (struct Dwarf_CFI_s): Add search_table_len.
632 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough
633 room in the search table for all entries. Store search_table_len.
634 (getcfi_scn_eh_frame): Likewise.
635 * encoded-value.h (encoded_value_size): Don't abort, return zero.
636 (__libdw_cfi_read_address_inc): Check there is enough room to read
637 values. Pass other byte order to read functions.
638 (read_encoded_value): Check encoded_value_size. Don't abort, but
639 set libdw errno and report failure. Check there is enough room to
641 * fde.c (binary_search_fde): Check encoded value size. Add hdr
642 data buf and size to dummy_cfi.
644 2015-01-04 Mark Wielaard <mjw@redhat.com>
646 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute
647 is after current DIE.
649 2015-01-04 Mark Wielaard <mjw@redhat.com>
651 * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof
652 (dwarf_frame_register).
654 2015-01-02 Mark Wielaard <mjw@redhat.com>
656 * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check.
657 (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL.
658 (getcfi_scn_eh_frame): Check d_buf is not NULL.
660 2015-01-02 Mark Wielaard <mjw@redhat.com>
662 * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not
663 NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For
664 DW_OP_addr if dbg is NULL then read argument directly.
666 2015-01-14 Jason P. Leasure <jpleasu@super.org>
668 * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset
671 2014-12-27 Mark Wielaard <mjw@redhat.com>
673 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset
674 still falls inside CU data.
676 2015-01-11 Mark Wielaard <mjw@redhat.com>
678 * dwarf_func_inline.c (dwarf_func_inline_instances): Call
679 __libdw_visit_scopes with NULL imports.
680 * dwarf_getfuncs.c (dwarf_getfuncs): Likewise.
681 * dwarf_getscopes.c (pc_record): Likewise.
682 (dwarf_getscopes): Likewise.
683 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
684 * libdwP.h (__libdw_visit_scopes): Add imports argument.
685 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new
686 function imports_contains. Push and pop imports around walk_children
687 when processing DW_TAG_imported_unit.
689 2014-12-18 Ulrich Drepper <drepper@gmail.com>
691 * Makefile.am: Suppress output of textrel_check command.
693 2014-12-16 Mark Wielaard <mjw@redhat.com>
695 * dwarf_getsrclines.c (read_srclines): Check diridx is valid under
698 2014-12-16 Mark Wielaard <mjw@redhat.com>
700 * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough
701 space to read die offset.
703 2014-12-16 Mark Wielaard <mjw@redhat.com>
705 * dwarf_getsrclines.c (read_srclines): Correct overflow check for
708 2014-12-15 Mark Wielaard <mjw@redhat.com>
710 * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside
711 section data. Set error to DWARF_E_NO_ENTRY if cnt is zero.
712 (dwarf_getpubnames): Make sure section data contains string zero
715 2014-12-16 Mark Wielaard <mjw@redhat.com>
717 * memory-access.h (__libdw_get_sleb128): Unroll the first step to help
718 the compiler optimize for the common single-byte case.
720 2014-12-15 Josh Stone <jistone@redhat.com>
722 * memory-access.h (__libdw_max_len_leb128): New.
723 (__libdw_get_uleb128): Use __libdw_max_len_leb128.
724 (__libdw_get_sleb128): Likewise.
726 2014-12-14 Mark Wielaard <mjw@redhat.com>
728 * cfi.c (execute_cfi): Add program bounds checks.
729 * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks.
730 * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp.
731 * dwarf_formref.c (__libdw_formref): Add datap bounds checks.
732 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
733 * dwarf_formudata.c (dwarf_formudata): Likewise.
734 * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128
735 with end of data buf.
736 * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks.
737 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128
738 call gets enough data.
739 * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp.
740 * dwarf_getlocation.c (store_implicit_value): Call get_uleb128
742 (__libdw_intern_expression): Call get_uleb128/get_sleb128 with
744 * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check.
745 * dwarf_getsrclines.c (read_srclines): Bounds check linep and call
746 get_uleb128 with lineendp.
747 * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call
748 get_uleb128 with endp.
749 * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call
750 get_uleb128/get_sleb128 with limit.
751 * encoded-value.h (read_encoded_value): Assume get_uleb128 and
752 get_sleb128 get called with enough data.
753 * fde.c (intern_fde): Call get_uleb128 with instructions_end.
754 * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp.
755 * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with
757 * memory-access.h (__libdw_get_uleb128): Take an extra endp.
758 Don't call get_uleb128_step if out of data.
759 (__libdw_get_sleb128): Likewise for get_sleb128_step.
761 2014-12-12 Mark Wielaard <mjw@redhat.com>
763 * libdwP.h (struct Dwarf): Add fake_loc_cu.
765 (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx.
766 (__libdw_form_val_compute_len): Drop dbg and endp arguments.
767 (__libdw_form_val_len): Likewise.
768 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
769 * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use
770 the already found data buffer directly.
771 * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu.
772 * dwarf_end.c (dwarf_end): Free fake_loc_cu.
773 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with
775 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
776 * dwarf_formblock.c (dwarf_formblock): Add bounds checking.
777 * dwarf_getlocation_attr.c (attr_form_cu): New function.
778 (dwarf_getlocation_attr): Use attr_form_cu to set result->cu.
779 (getlocation): Handle empty blocks immediately.
780 * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var.
781 (__libdw_empty_loc_attr): Drop cu argument, use empty_cu.
782 (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with
784 * dwarf_getmacros.c (read_macros): Also setup startp and endp for
785 fake_cu. Call __libdw_form_val_len with just fake_cu.
786 * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get
787 datap and size directly from cu startp and endp.
789 2014-12-11 Mark Wielaard <mjw@redhat.com>
791 * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset.
793 2014-12-13 Mark Wielaard <mjw@redhat.com>
795 * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr
796 difference doesn't wrap around before returning as int.
798 2014-12-11 Josh Stone <jistone@redhat.com>
800 * dwarf_getsrclines.c (struct linelist): Add sequence.
801 (compare_lines): Take linelists, and break ties by sequence.
802 (read_srclines): Use linelists for sorting.
803 (read_srclines::add_new_line): Set sequence.
805 2014-12-10 Josh Stone <jistone@redhat.com>
807 * libdwP.h (Dwarf_CU): Add startp and endp boundaries.
808 * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp.
809 * dwarf_child.c (dwarf_child): Use cu->endp.
810 * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp.
811 * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp.
812 * dwarf_siblingof.c (dwarf_siblingof): Use both.
814 2014-12-10 Josh Stone <jistone@redhat.com>
816 * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence.
818 2014-12-10 Josh Stone <jistone@redhat.com>
820 * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function.
821 * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it.
822 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
823 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
824 * dwarf_tag.c (dwarf_tag): Likewise.
826 2014-12-04 Mark Wielaard <mjw@redhat.com>
828 * libdwP.h (__libdw_form_val_compute_len): Add endp argument.
829 (__libdw_form_val_len): Likewise and check len doesn't overflow.
830 * libdw_form.c (__libdw_form_val_compute_len): Likewise.
831 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len
833 * dwarf_getattrs.c (dwarf_getattrs): Likewise.
834 * dwarf_getmacros.c (read_macros): Likewise and check for errors.
836 2014-12-02 Petr Machata <pmachata@redhat.com>
838 * dwarf_getmacros.c (token_from_offset, offset_from_token): New
840 (do_dwarf_getmacros_die): Merge into dwarf_getmacros.
841 * libdw.h (DWARF_GETMACROS_START): New macro.
843 2014-11-27 Mark Wielaard <mjw@redhat.com>
845 * Makefile.am (libdw.so): Use textrel_check.
847 2014-11-27 Mark Wielaard <mjw@redhat.com>
849 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize
850 search_table_entries and search_table_encoding.
852 2014-11-24 Mark Wielaard <mjw@redhat.com>
854 * dwarf_getsrclines.c (read_srclines): Check line_range is not zero
857 2014-11-23 Mark Wielaard <mjw@redhat.com>
859 * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value.
860 * dwarf_hasattr.c (dwarf_hasattr): Likewise.
861 * dwarf_siblingof.c (dwarf_siblingof): Likewise.
863 2014-11-23 Mark Wielaard <mjw@redhat.com>
865 * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF.
866 Set libdw errno and return NULL.
868 2014-11-24 Mark Wielaard <mjw@redhat.com>
870 * dwarf.h (DW_LANG_C_plus_plus_11): Added.
871 (DW_LANG_C11): Likewise.
872 (DW_LANG_C_plus_plus_14): Likewise.
873 * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11,
874 DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go
876 * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for
879 2014-11-26 Mark Wielaard <mjw@redhat.com>
881 * dwarf.h (DW_AT_noreturn): Added.
883 2014-11-11 Mark Wielaard <mjw@redhat.com>
885 * dwarf_getsrclines.c (read_srclines): Do address_size comparison
886 explicitly as uint8_t.
887 (__libdw_getsrclines): Add internal_function to declaration.
889 2014-09-10 Petr Machata <pmachata@redhat.com>
891 * dwarf_macro_getparamcnt.c: New file.
892 * dwarf_macro_param.c: New file.
893 * dwarf_macro_getsrcfiles.c: New file.
894 * Makefile.am (libdw_a_SOURCES): Add the new files.
895 * libdwP.h (struct files_lines_s): New structure.
896 (DWARF_E_INVALID_OPCODE): New enumerator.
897 (struct Dwarf): New fields macro_ops, files_lines.
898 (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for
899 keeping macro opcode prototypes in.
900 (Dwarf_Macro_s): Redefine from scratch.
901 (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New
903 * dwarf_error.c (errmsgs): Add a message for
904 DWARF_E_INVALID_OPCODE.
905 * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and
907 * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt)
908 (dwarf_macro_getsrcfiles, dwarf_macro_param): New public
910 * dwarf_getmacros.c (dwarf_getmacros_off): New function,
911 (get_offset_from, macro_op_compare, build_table)
912 (init_macinfo_table, get_macinfo_table, get_table_for_offset)
913 (cache_op_table, read_macros, gnu_macros_getmacros_off)
914 (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper
916 (dwarf_getmacros): Adjust to dispatch to the new interfaces.
917 * dwarf_getsrclines.c (read_srclines): New function with guts
918 taken from dwarf_getsrclines.
919 (__libdw_getsrclines): Likewise.
920 (__libdw_getcompdir, files_lines_compare): New functions.
921 (dwarf_getsrclines): Make it dispatch to the new interfaces.
922 * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to
924 * dwarf_macro_param2.c (dwarf_macro_param2): Likewise.
925 * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off,
926 dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param.
928 2014-10-06 Mark Wielaard <mjw@redhat.com>
930 * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c.
931 * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type.
932 (aggregate_size): Likewise. Add old and new version.
933 * dwarf_peel_type.c: New file.
934 * libdw.h (dwarf_peel_type): New function declaration.
935 * libdwP.h (dwarf_peel_type): New internal declaration.
936 * libdw.map (ELFUTILS_0.161): New section.
938 2014-10-15 Petr Machata <pmachata@redhat.com>
940 * libdwP.h (struct Dwarf_Files_s.cu): Drop field.
941 * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it.
943 2014-10-05 Mark Wielaard <mjw@redhat.com>
945 * dwarf.h: Add DW_AT_GNU_deleted.
947 2014-10-02 Mark Wielaard <mjw@redhat.com>
949 * dwarf_aggregate_size.c (aggregate_size): Return CU address_size
950 for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or
951 DW_TAG_rvalue_reference_type.
953 2014-09-12 Petr Machata <pmachata@redhat.com>
955 * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and
956 8-byte quantities. Consequently, rename to...
957 (read_addr_unaligned_inc): ... this.
958 (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop.
959 (read_sbyte_unaligned): Drop.
961 2014-09-10 Petr Machata <pmachata@redhat.com>
963 * dwarf_getlocation.c (attr_ok): Also accept
964 DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value,
965 DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered.
967 2014-08-15 Mark Wielaard <mjw@redhat.com>
969 * dwarf_cu_die.c: New file.
970 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c.
971 * libdw.h (dwarf_cu_die): New function declaration.
972 * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die.
974 2014-08-15 Mark Wielaard <mjw@redhat.com>
976 * dwarf_cu_getdwarf.c: New file.
977 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c.
978 * libdw.h (Dwarf_CU): New typedef.
979 (dwarf_cu_getdwarf): New function declaration.
980 * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf.
982 2014-06-18 Mark Wielaard <mjw@redhat.com>
984 * dwarf.h: Remove DW_TAG_mutable_type.
986 2014-05-02 Mark Wielaard <mjw@redhat.com>
988 * libdwP.h (__check_build_id): Removed now unused.
990 2014-05-01 Mark Wielaard <mjw@redhat.com>
992 * libdwP.h (struct Dwarf): Remove free_alt.
993 * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf.
994 * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt.
996 2014-04-30 Mark Wielaard <mjw@redhat.com>
998 * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id.
1000 2014-04-15 Florian Weimer <fweimer@redhat.com>
1002 * dwarf_begin_elf.c (__check_build_id, try_debugaltlink)
1003 (open_debugaltlink): Move to libdwfl.
1004 (check_section): Do not locate alternate debuginfo.
1006 2014-04-24 Florian Weimer <fweimer@redhat.com>
1008 * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink.
1010 2014-04-22 Florian Weimer <fweimer@redhat.com>
1012 * dwarf_getalt.c, dwarf_setalt.c: New files.
1013 * Makefile.am (libdw_a_SOURCES): Add them.
1014 * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations.
1015 * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function
1017 * libdw.map (ELFUTILS_0.159): Export the two new functions.
1019 2014-04-15 Florian Weimer <fweimer@redhat.com>
1021 * libdwP.h (enum IDX_gnu_debugaltlink): New.
1022 * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add
1024 (check_section): Obtain .gnu_debugaltlink section from the
1027 2014-04-11 Mark Wielaard <mjw@redhat.com>
1029 * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink.
1030 * Makefile.am (libdw.so): Depend on libdwelf_pic.a.
1031 (libdwelf_objects): New variable.
1032 (libdw_a_LIBADD): Add libdwelf objects.
1034 2014-04-22 Mark Wielaard <mjw@redhat.com>
1036 * memory-access.h (get_sleb128_step): Remove undefined behavior
1037 of left shifting a signed value. Replace it with a multiplication.
1039 2014-04-13 Mark Wielaard <mjw@redhat.com>
1041 * Makefile.am: Remove !MUDFLAP conditions.
1043 2014-04-09 Mark Wielaard <mjw@redhat.com>
1045 * dwarf_begin_elf.c (check_section): Check for unsigned overflow
1046 before calling malloc to uncompress data.
1048 2014-03-03 Jan Kratochvil <jan.kratochvil@redhat.com>
1050 Fix abort() on missing section headers.
1051 * dwarf_begin_elf.c (check_section): Replace abort call by goto err.
1052 New label err to return NULL.
1054 2014-02-05 Josh Stone <jistone@redhat.com>
1056 * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned.
1057 * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as
1058 unsigned. Change the range assert to DWARF_E_INVALID_DWARF.
1060 2013-12-30 Mark Wielaard <mjw@redhat.com>
1062 * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and
1063 dwfl_linux_proc_attach.
1065 2013-12-20 Mark Wielaard <mjw@redhat.com>
1067 * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames.
1069 2013-12-18 Mark Wielaard <mjw@redhat.com>
1071 * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and
1072 dwfl_module_getsym_elf. Add dwfl_module_addrinfo and
1073 dwfl_module_getsym_info.
1075 2013-12-16 Mark Wielaard <mjw@redhat.com>
1077 * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global.
1079 2013-12-10 Josh Stone <jistone@redhat.com>
1081 * memory-access.h (get_uleb128_rest_return): Removed.
1082 (get_sleb128_rest_return): Removed.
1083 (get_uleb128_step): Make this a self-contained block.
1084 (get_sleb128_step): Ditto, and use a bitfield to extend signs.
1085 (get_uleb128): Make this wholly implemented by __libdw_get_uleb128.
1086 (get_sleb128): Make this wholly implemented by __libdw_get_sleb128.
1087 (__libdw_get_uleb128): Simplify and inline for all callers.
1088 (__libdw_get_sleb128): Ditto.
1089 * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128.
1090 * memory-access.c: Delete file.
1091 * Makefile.am (libdw_a_SOURCES): Remove it.
1092 (DEFS): Remove the now unused -DIS_LIBDW.
1094 2013-12-09 Josh Stone <jistone@redhat.com>
1096 * libdw_form.c (__libdw_form_val_compute_len): Renamed function from
1097 __libdw_form_val_len, now handling only non-constant form lengths.
1098 * libdwP.h (__libdw_form_val_len): New inlined function.
1100 2013-12-09 Mark Wielaard <mjw@redhat.com>
1102 * dwarf_getlocation.c (__libdw_intern_expression): Handle empty
1103 location expressions.
1104 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no
1105 location found, return empty location expression.
1106 * dwarf_getlocation_implicit_pointer.c
1107 (dwarf_getlocation_implicit_pointer): Likewise.
1108 (__libdw_empty_loc_attr): New internal function.
1109 * libdwP.h (__libdw_empty_loc_attr): Define.
1111 2013-11-27 Mark Wielaard <mjw@redhat.com>
1113 * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and
1114 dwfl_module_getsym_elf.
1116 2013-11-26 Mark Wielaard <mjw@redhat.com>
1118 * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid,
1119 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
1120 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
1121 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ...
1122 (ELFUTILS_0.158): ... here.
1124 2013-11-09 Mark Wielaard <mjw@redhat.com>
1126 * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and
1127 check that it is zero.
1129 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1131 * cfi.h (struct Dwarf_Frame_s): Make the comment more specific.
1132 * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid,
1133 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
1134 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
1135 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc.
1137 2013-11-01 Michael Forney <mforney@mforney.org>
1139 * Makefile.am (libdwfl_objects): New definition.
1140 (libdw_a_LIBADD): Use libdwfl_objects.
1142 2013-11-01 Michael Forney <mforney@mforney.org>
1144 * Makefile.am: Use READELF.
1146 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1148 * libdw.map (ELFUTILS_0.158): New.
1150 2013-10-10 Mark Wielaard <mjw@redhat.com>
1152 * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to
1153 start_addr and rename last_offset to last_addr. Now both void *.
1154 (tree_visitor): Use start_add and die_addr instead of start_offset
1156 (dwarf_getfuncs): Use last_addr instead of last_offset.
1158 2013-10-06 Mark Wielaard <mjw@redhat.com>
1160 * cfi.c (execute_cfi): Make sure DW_CFA_expression and
1161 DW_CFA_val_expression are not used with abi_cfi.
1163 2013-10-03 Josh Stone <jistone@redhat.com>
1165 * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here.
1166 * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits
1167 a unit, make sure to always hash the sig8 here, so none are missed.
1169 2013-09-29 Mark Wielaard <mjw@redhat.com>
1171 * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to
1172 uintptr_t before casting to char *.
1173 (__libdw_intern_expression): Cast data to uintptr_t before casting
1175 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast
1176 op->number2 to uintptr_t before casting to char *.
1178 2013-09-24 Josh Stone <jistone@redhat.com>
1180 * libdw_visit_scopes.c (classify_die): Removed.
1181 (may_have_scopes): New function to replace classify_die. There's no
1182 need for full classification; just find tags that may contain scopes.
1183 (__libdw_visit_scopes): Use a direct tag comparison for imported
1184 units, and use may_have_scopes to test if recursion is needed.
1186 2013-09-20 Mark Wielaard <mjw@redhat.com>
1188 * dwarf_getfuncs.c (visitor_info): New struct.
1189 (tree_visitor): New function.
1190 (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor.
1191 * libdw.h (dwarf_getfuncs): Expand function documentation.
1193 2013-09-12 Mark Wielaard <mjw@redhat.com>
1195 * fde.c (intern_fde): Free fde and set libdw errno when start
1196 or end could not be read.
1198 2013-08-24 Mark Wielaard <mjw@redhat.com>
1200 * dwarf_getlocation.c (store_implicit_value): Don't take data
1201 as argument, get block data from op number2. Return false when
1202 block data length and op number don't match up.
1203 (__libdw_intern_expression): Store start of block for
1204 DW_OP_implicit_value and DW_OP_GNU_entry_value instead of
1205 relative data offset. Also store block start (including length)
1206 for DW_OP_GNU_const_type. Don't pass data to store_implicit_value.
1207 * dwarf_getlocation_attr.c: New file.
1208 * dwarf_getlocation_die.c: Likewise.
1209 * libdw.h (dwarf_getlocation_die): New function definition.
1210 (dwarf_getlocation_attr): Likewise.
1211 * libdwP.h: Declare internal dwarf_getlocation_die.
1212 * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and
1213 dwarf_getlocation_attr.
1214 * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and
1215 dwarf_getlocation_attr.c.
1217 2013-08-23 Mark Wielaard <mjw@redhat.com>
1219 * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment.
1220 (attr_base_address): New function.
1221 (initial_offset_base): New function.
1222 (getlocations_addr): New function. Taken from...
1223 (dwarf_getlocation_addr): here. Use new initial_offset_base and
1225 (dwarf_getlocations): New function.
1226 * libdw.h (dwarf_getlocations): New function definition.
1227 * libdw.map (ELFUTILS_0.157): New.
1229 2013-07-02 Mark Wielaard <mjw@redhat.com>
1231 * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation
1232 limit MAX_STACK_ALLOC. After MAX_STACK_ALLOC lines use malloc in
1233 NEW_LINE macro. Free malloced line records if any at the end.
1235 2013-07-02 Mark Wielaard <mjw@redhat.com>
1237 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS.
1239 2013-06-26 Mark Wielaard <mjw@redhat.com>
1241 * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root
1242 DIEs without children. Return an error whenever dwarf_child or
1243 dwarf_siblingof return an error. Don't call recurse and increase
1244 the depth for an imported unit. Walk the children of an imported
1245 unit as if they are logical children of the parent root DIE.
1247 2013-05-03 Mark Wielaard <mjw@redhat.com>
1249 * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence
1252 2013-04-28 Jan Kratochvil <jan.kratochvil@redhat.com>
1254 * libdw.map (ELFUTILS_0.156): New.
1256 2013-04-24 Mark Wielaard <mjw@redhat.com>
1258 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1260 2013-04-10 Mark Wielaard <mjw@redhat.com>
1262 * dwarf_formref_die.c (dwarf_formref_die): Reference size is only
1263 equal to address size when we have a DW_FORM_ref_addr for DWARF
1266 2013-03-25 Mark Wielaard <mjw@redhat.com>
1268 * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as
1271 2013-03-12 Mark Wielaard <mjw@redhat.com>
1273 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit.
1274 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1276 2013-02-15 Mark Wielaard <mjw@redhat.com>
1278 * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata,
1279 not dbg->sectiondata.
1281 2013-01-07 Roland McGrath <roland@hack.frob.com>
1284 [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro.
1285 [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function.
1287 2012-12-18 Mark Wielaard <mjw@redhat.com>
1289 * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid.
1290 (check_section): Likewise on error.
1291 (scngrp_read): Likewise.
1292 (dwarf_begin_elf): Likewise.
1294 2012-10-09 Petr Machata <pmachata@redhat.com>
1296 * dwarf_getlocation.c (__libdw_intern_expression): Handle
1297 DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret,
1298 DW_OP_GNU_regval_type, DW_OP_GNU_entry_value,
1299 DW_OP_GNU_deref_type, DW_OP_GNU_const_type.
1301 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1303 * cfi.c: New include system.h.
1304 (execute_cfi) (enough_registers): Clear new memory after realloc.
1306 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1308 * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return
1309 DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for
1312 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1314 * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new
1315 loclist element DW_OP_call_frame_cfa before decoding the opcodes.
1316 Remove the later DW_OP_call_frame_cfa push to RESULT.
1318 2012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com>
1321 * fde.c (binary_search_fde): Remove always true <address >= start>
1322 conditional. Move L initialization upwards.
1324 2012-08-24 Mark Wielaard <mjw@redhat.com>
1326 * dwarf_begin_elf.c (check_section): Only probe for dwz multi files
1327 when ENABLE_DWZ is defined.
1328 * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is
1331 2012-08-16 Mark Wielaard <mjw@redhat.com>
1333 * Makefile.am (EXTRA_DIST): Add known-dwarf.h.
1334 * dwarf.h (DW_LANG_Go): Update comment.
1335 (DW_LANG_Mips_Assembler): Likewise.
1337 2012-06-27 Mark Wielaard <mjw@redhat.com>
1339 * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt.
1340 * dwarf_begin.c (dwarf_begin): Add INTDEF.
1341 * dwarf_begin_elf.c (__check_build_id): New internal_function.
1342 (try_debugaltlink): New function.
1343 (open_debugaltlink): Likewise.
1344 (check_section): Try open_debugaltlink for .gnu_debugaltlink.
1345 * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if
1347 * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK.
1348 * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt
1350 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt.
1351 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt.
1352 * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset
1354 * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call.
1355 * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK.
1356 (struct Dwarf): Add alt_dwarf and free_alt fields.
1357 (__libdw_read_offset): Add dbg_ret argument, use to check with
1358 __libdw_offset_in_section.
1359 (__check_build_id): New function declaration.
1360 (dwarf_begin): Define as INTDECL.
1361 * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt
1362 and DW_FORM_GNU_strp_alt.
1364 2012-07-19 Mark Wielaard <mjw@redhat.com>
1366 * dwarf.h: Add DW_OP_GNU_parameter_ref.
1368 2012-07-24 Mark Wielaard <mjw@redhat.com>
1370 * dwarf.h: Correct spelling of DW_LANG_ObjC.
1371 * dwarf_aggregate_size.c (array_size): Use correct spelling of
1374 2012-07-24 Mark Wielaard <mjw@redhat.com>
1376 * dwarf.h: Add DW_ATE_UTF.
1378 2012-06-27 Mark Wielaard <mjw@redhat.com>
1380 * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings.
1382 2012-06-26 Mark Wielaard <mjw@redhat.com>
1384 * libdwP.h: Add IDX_debug_macro.
1385 * dwarf.h: Add DW_AT_GNU_macros.
1386 * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro.
1387 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros.
1389 2012-04-27 Mark Wielaard <mjw@redhat.com>
1391 * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being
1392 a constant offset from DW_AT_low_pc.
1394 2012-03-19 Tom Tromey <tromey@redhat.com>
1396 * libdw_findcu.c (findcu_cb): Move earlier.
1397 (__libdw_intern_next_unit): Add new CU to search tree here...
1398 (__libdw_findcu): ... not here.
1400 2012-01-31 Mark Wielaard <mjw@redhat.com>
1402 * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset.
1404 2011-11-31 Mark Wielaard <mjw@redhat.com>
1406 * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk.
1408 2011-07-14 Mark Wielaard <mjw@redhat.com>
1410 * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info.
1412 2011-05-16 Jakub Jelinek <jakub@redhat.com>
1414 * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type,
1415 DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret):
1418 2011-04-26 Mark Wielaard <mjw@redhat.com>
1420 * dwarf_child (dwarf_child): Sanity check end of section against
1421 cu_data () of die->cu.
1423 2011-03-22 Mark Wielaard <mjw@redhat.com>
1425 * dwarf.h: Add DW_TAG_GNU_call_site,
1426 DW_TAG_GNU_call_site_parameter,
1427 DW_AT_GNU_call_site_value,
1428 DW_AT_GNU_call_site_data_value,
1429 DW_AT_GNU_call_site_target,
1430 DW_AT_GNU_call_site_target_clobbered,
1431 DW_AT_GNU_tail_call,
1432 DW_AT_GNU_all_tail_call_sites,
1433 DW_AT_GNU_all_call_sites,
1434 DW_AT_GNU_all_source_call_sites,
1435 and DW_OP_GNU_entry_value.
1437 2011-03-10 Petr Machata <pmachata@redhat.com>
1439 * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for
1440 abbreviation with code 0.
1442 2011-03-09 Petr Machata <pmachata@redhat.com>
1444 * libdw/dwarf_child.c (dwarf_child): Check for section overrun.
1446 2011-02-23 Roland McGrath <roland@redhat.com>
1448 * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask.
1449 Declare __libdw_free_zdata.
1450 * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function.
1451 (dwarf_end): Call it.
1453 * dwarf_begin_elf.c (valid_p): Likewise.
1454 (check_section, scngrp_read): Likewise.
1455 (check_section) [USE_ZLIB]: Grok .z* flavors of sections.
1457 2010-10-13 Roland McGrath <roland@redhat.com>
1459 * dwarf.h: Add DW_LANG_Go.
1461 2010-10-05 Roland McGrath <roland@redhat.com>
1463 * dwarf_getaranges.c: Use malloc rather than alloca,
1464 since the total number of elements can be quite huge.
1466 2010-07-26 Roland McGrath <roland@redhat.com>
1468 * dwarf_getlocation_implicit_pointer.c: New file.
1469 * Makefile.am (libdw_a_SOURCES): Add it.
1470 * libdw.map (ELFUTILS_0.149): New set.
1471 Add dwarf_getlocation_implicit_pointer.
1472 * libdw.h: Declare it.
1474 * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global.
1475 (dwarf_offdie, dwarf_offdie_types): Update callers.
1476 * libdwP.h: Declare it.
1478 * dwarf.h: Add DW_OP_GNU_implicit_pointer.
1479 * dwarf_getlocation.c (__libdw_intern_expression): Handle it.
1481 2010-08-24 Roland McGrath <roland@redhat.com>
1483 * libdw.map (ELFUTILS_0.149): New set. Add dwfl_dwarf_line.
1485 2010-07-27 Roland McGrath <roland@redhat.com>
1487 * dwarf_formref_die.c: Fix sig8 hash insertion.
1489 2010-06-23 Roland McGrath <roland@redhat.com>
1491 * cfi.c (dwarf_cfi_validate_fde): Function removed.
1492 * libdw.h: Remove it.
1493 * libdw.map: Likewise.
1495 2010-06-22 Roland McGrath <roland@redhat.com>
1497 * dwarf_getlocation.c (check_constant_offset): data[48] are constant.
1499 * dwarf_getsrclines.c: Fix signed comparison warning in extended
1502 2010-06-21 Roland McGrath <roland@redhat.com>
1504 * dwarf.h: Add DW_TAG_GNU_* constants.
1506 * memory-access.h (get_sleb128_rest_return): Fix sign extension for
1509 2010-06-20 Roland McGrath <roland@redhat.com>
1511 * libdw_findcu.c (__libdw_findcu): Take new flag argument,
1512 to search TUs instead of CUs.
1513 * libdwP.h: Update decl.
1514 (struct Dwarf): New member tu_tree.
1515 * dwarf_end.c (dwarf_end): Clean up tu_tree.
1516 * dwarf_offdie.c (do_offdie): New function, broken out of ...
1517 (dwarf_offdie): ... here.
1518 (dwarf_offdie_types): New function.
1519 * libdw.h: Declare it.
1520 * libdw.map (ELFUTILS_0.148): Add it.
1522 * libdwP.h (CUDIE): Use cu_data.
1523 * dwarf_formblock.c: Likewise.
1524 * dwarf_formref_die.c: Likewise.
1525 * dwarf_diecu.c: Use CUDIE macro.
1526 * dwarf_formaddr.c: Use cu_sec_idx.
1528 2010-06-16 Roland McGrath <roland@redhat.com>
1530 * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so
1531 we don't repeat a CU lookup we've already done. Handle
1532 DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit.
1534 * libdw_findcu.c (__libdw_intern_next_unit): New function,
1536 (__libdw_findcu): ... here. Call it.
1537 * libdwP.h: Declare it.
1538 (struct Dwarf): New member next_tu_offset.
1540 * dwarf_sig8_hash.c: New file.
1541 * dwarf_sig8_hash.h: New file.
1542 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1543 * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before
1545 * libdwP.h (struct Dwarf): New member sig8_hash.
1546 * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it.
1547 * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it.
1549 * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ...
1550 (dwarf_nextcu): ... here. Call it.
1551 * libdw.h: Declare it.
1552 * libdwP.h: Add INTDECL.
1553 * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu.
1554 * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit.
1556 * libdwP.h (cu_sec_idx, cu_data): New functions.
1557 Use .debug_types when CU is a TU.
1558 * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info.
1559 * dwarf_siblingof.c: Likewise.
1560 * dwarf_formstring.c: Likewise.
1561 * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise.
1562 * dwarf_getlocation.c (dwarf_getlocation): Likewise.
1563 (dwarf_getlocation_addr): Likewise.
1565 * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8.
1566 (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute
1567 .debug_types header size instead of .debug_info header size.
1569 * dwarf_diecu.c: Update caller.
1570 * dwarf_getaranges.c: Likewise.
1571 * dwarf_nextcu.c: Likewise.
1572 * libdw_findcu.c (__libdw_findcu): Initialize new members.
1574 * fde.c (fde_by_offset): Renamed to ...
1575 (__libdw_fde_by_offset): ... this, made global and internal_function.
1576 Don't take ADDRESS argument.
1577 (__libdw_find_fde): Update caller. Do address sanity check here.
1578 * cfi.h: Declare __libdw_fde_by_offset.
1579 * cfi.c (dwarf_cfi_validate_fde): New function.
1580 * libdw.h: Declare it.
1581 * libdw.map (ELFUTILS_0.148): Add it.
1583 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
1584 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
1586 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
1587 Don't assume DW_EH_PE_aligned refers to native address size.
1589 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
1592 2010-06-17 Roland McGrath <roland@redhat.com>
1594 * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and
1596 * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts
1597 into an inner inline function. Set new fields. Check all fields for
1598 overflow when setting.
1599 * dwarf_lineisa.c: New file.
1600 * dwarf_linediscriminator.c: New file.
1601 * dwarf_lineop_index.c: New file.
1602 * Makefile.am (libdw_a_SOURCES): Add them.
1603 * libdw.map (ELFUTILS_0.148): Add them.
1604 * libdw.h: Declare them.
1606 2010-06-16 Roland McGrath <roland@redhat.com>
1608 * dwarf_next_cfi.c: Fix version 4 return_address_register decoding.
1610 * fde.c (fde_by_offset): Renamed to ...
1611 (__libdw_fde_by_offset): ... this, made global and internal_function.
1612 Don't take ADDRESS argument.
1613 (__libdw_find_fde): Update caller. Do address sanity check here.
1614 * cfi.h: Declare __libdw_fde_by_offset.
1615 * cfi.c (dwarf_cfi_validate_fde): New function.
1616 * libdw.h: Declare it.
1617 * libdw.map (ELFUTILS_0.148): Add it.
1619 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to
1620 either DW_EH_PE_udata8 or DW_EH_PE_udata4.
1622 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect.
1623 Don't assume DW_EH_PE_aligned refers to native address size.
1625 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the
1628 2010-06-15 Roland McGrath <roland@redhat.com>
1630 * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like
1632 * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way
1633 here, since we don't support it yet.
1635 * dwarf_next_cfi.c: Handle version 4 format.
1637 * dwarf_getsrclines.c: Handle version 4 format.
1639 2010-06-01 Roland McGrath <roland@redhat.com>
1641 * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types.
1642 * dwarf_begin_elf.c (dwarf_scnnames): Likewise.
1644 * libdwP.h (CIE_VERSION): Remove unused macro.
1646 * dwarf_getsrclines.c: Fix version field test.
1647 * libdwP.h (DWARF_VERSION): Remove useless macro.
1649 * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling.
1651 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc.
1653 * libdw_findcu.c (__libdw_findcu): Accept version 4.
1655 2010-05-31 Mark Wielaard <mjw@redhat.com>
1657 * cfi.h (dwarf_cfi_cie_p): Move definition from here, to ..
1658 * libdw.h (dwarf_cfi_cie_p): ... here.
1660 2010-05-31 Mark Wielaard <mjw@redhat.com>
1662 * dwarf.h: Fix DW_LANG_Python constant.
1664 2010-05-28 Eduardo Santiago <santiago@redhat.com>
1666 * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first
1669 2010-05-27 Roland McGrath <roland@redhat.com>
1671 * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name,
1672 DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator.
1674 2010-05-08 Roland McGrath <roland@redhat.com>
1676 * dwarf_getlocation.c (__libdw_intern_expression): Take new argument
1677 REF_SIZE. Use that to handle DW_OP_call_ref correctly.
1678 (getlocation): Update caller.
1679 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
1680 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
1681 * libdwP.h: Update decl.
1683 2010-04-26 Roland McGrath <roland@redhat.com>
1685 * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule.
1686 * cfi.c (execute_cfi): Set that instead of doing cfi_assert for
1687 DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force.
1688 * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid.
1690 * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP.
1691 Prepend DW_OP_call_frame_cfa if true.
1692 (getlocation): Update caller.
1693 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise.
1694 * dwarf_frame_register.c (dwarf_frame_register): Likewise.
1695 * libdwP.h: Update decl.
1697 2010-04-22 Roland McGrath <roland@redhat.com>
1699 * cfi.c (execute_cfi): Never return without cleanup.
1701 (cie_cache_initial_state): Adjust caller to expect that free.
1702 (__libdw_frame_at_address): Likewise.
1704 2010-03-10 Roland McGrath <roland@redhat.com>
1706 * libdw.map (ELFUTILS_0.146): New set. Add dwfl_core_file_report.
1708 2010-02-15 Roland McGrath <roland@redhat.com>
1710 * Makefile.am: Use config/eu.am for common stuff.
1712 2010-02-02 Mark Wielaard <mjw@redhat.com>
1714 * fde.c (intern_fde): Fix length check for sized_augmentation_data.
1716 2010-01-07 Roland McGrath <roland@redhat.com>
1718 * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum.
1720 2010-01-05 Roland McGrath <roland@redhat.com>
1722 * dwarf_aggregate_size.c: New file.
1723 * Makefile.am (libdw_a_SOURCES): Add it.
1724 * libdw.h: Declare it.
1725 * libdwP.h: Add INTDECL.
1726 * libdw.map (ELFUTILS_0.144): New set. Add dwarf_aggregate_size.
1728 * dwarf_srclang.c: Add INTDEF.
1729 * libdwP.h: Add INTDECL.
1731 * dwarf.h: Add some more DW_AT_GNU_* types from gcc.
1733 * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name.
1735 2009-11-21 Roland McGrath <roland@redhat.com>
1737 * dwarf_getlocation.c (check_constant_offset): Return 1 for all
1740 2009-10-15 Roland McGrath <roland@redhat.com>
1742 * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset,
1743 DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8.
1745 2009-09-17 Roland McGrath <roland@redhat.com>
1747 * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP
1748 argument a pointer to const.
1749 * libdw.h: Update decl.
1751 2009-09-10 Roland McGrath <roland@redhat.com>
1753 * dwarf_getlocation.c (store_implicit_value): New function.
1754 (__libdw_intern_expression): Use it, handle DW_OP_implicit_value.
1755 (dwarf_getlocation_implicit_value): New function.
1756 * libdw.h: Declare it.
1757 * libdw.map (ELFUTILS_0.143): Add it.
1759 2009-09-09 Mark Wielaard <mjw@redhat.com>
1761 * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl.
1763 2009-08-21 Josh Stone <jistone@redhat.com>
1765 * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too.
1767 2009-08-10 Roland McGrath <roland@redhat.com>
1769 * dwarf_getscopevar.c: Use dwarf_diename.
1771 2009-08-09 Roland McGrath <roland@redhat.com>
1773 * libdw.map (ELFUTILS_0.143): New version set,
1774 inherits from ELFUTILS_0.142.
1775 * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an
1776 alias in the ELFUTILS_0.122 version set and the default in the new set.
1777 * dwarf_srclang.c: Likewise.
1778 * dwarf_decl_file.c: Likewise.
1779 * dwarf_decl_line.c: Likewise.
1780 * dwarf_decl_column.c: Likewise.
1781 * dwarf_bytesize.c: Likewise.
1782 * dwarf_bitsize.c: Likewise.
1783 * dwarf_bitoffset.c: Likewise.
1785 2009-08-07 Roland McGrath <roland@redhat.com>
1787 * dwarf_arrayorder.c: Use dwarf_attr_integrate.
1788 * dwarf_srclang.c: Likewise.
1789 * dwarf_decl_file.c: Likewise.
1790 * dwarf_decl_line.c (__libdw_attr_intval): Likewise.
1791 * dwarf_bytesize.c: Likewise.
1792 * dwarf_bitsize.c: Likewise.
1793 * dwarf_bitoffset.c: Likewise.
1795 2009-07-22 Roland McGrath <roland@redhat.com>
1797 * dwarf_frame_cfa.c: Change calling convention.
1798 * libdw.h: Update decl.
1800 * dwarf_frame_register.c: Change calling/return-value convention for
1801 value-only results and undefined/same_value.
1802 * libdw.h: Update decl.
1804 * dwarf_getlocation.c (__libdw_intern_expression): Take new bool
1805 argument, append DW_OP_stack_value if set. Don't take NOPS argument,
1806 return that value instead.
1807 (getlocation): Update caller.
1808 * dwarf_frame_cfa.c: Likewise.
1809 * libdwP.h: Update decl.
1811 2009-07-21 Roland McGrath <roland@redhat.com>
1813 * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list.
1814 Fix loop iteration after skipping a bogus or useless CU.
1816 * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless
1817 absence, not DWARF_E_NO_DEBUG_LINE.
1819 2009-07-20 Roland McGrath <roland@redhat.com>
1821 * dwarf_getlocation.c (__libdw_intern_expression):
1822 Handle DW_OP_stack_value.
1824 2009-07-16 Roland McGrath <roland@redhat.com>
1826 * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset,
1827 reject others when CU's version > 3.
1829 * dwarf_formflag.c: Handle DW_FORM_flag_present.
1831 * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft.
1832 Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type.
1833 Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset,
1834 and DW_AT_const_expr.
1835 Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present,
1836 and DW_FORM_ref_sig8.
1838 2009-07-15 Roland McGrath <roland@redhat.com>
1840 * dwarf_getlocation.c: Grok DW_OP_form_tls_address,
1841 DW_OP_GNU_push_tls_address, and DW_OP_bit_piece.
1843 2009-07-13 Roland McGrath <roland@redhat.com>
1845 * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa.
1847 2009-07-08 Roland McGrath <roland@redhat.com>
1849 * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi,
1852 * libdwP.h (struct Dwarf): Add member `cfi'.
1853 * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it.
1854 * dwarf_getcfi.c: New file.
1855 * dwarf_getcfi_elf.c: New file.
1856 * dwarf_cfi_end.c: New file.
1857 * dwarf_cfi_addrframe.c: New file.
1858 * dwarf_frame_cfa.c: New file.
1859 * dwarf_frame_register.c: New file.
1860 * dwarf_frame_return_address_register.c: New file.
1861 * Makefile.am (libdw_a_SOURCES): Add them.
1862 * unwind.h: Declare those functions.
1863 * libdw.map (ELFUTILS_0.142): Export them.
1865 * dwarf_getlocation.c (__libdw_intern_expression): New function,
1867 (getlocation): ... here, call it.
1868 * libdwP.h: Declare it.
1872 * frame-cache.c: New file.
1875 * encoded-value.h: New file.
1876 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them.
1877 * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum.
1878 * dwarf_error.c (errmsgs): Add element for it.
1880 * dwarf_next_cfi.c: New file.
1881 * Makefile.am (libdw_a_SOURCES): Add it.
1882 * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types.
1883 Declare dwarf_next_cfi.
1884 * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136.
1887 * memory-access.h [! ALLOW_UNALIGNED]
1888 (read_2ubyte_unaligned): Renamed to ...
1889 (read_2ubyte_unaligned_1): ... this. Take bool rather than Dwarf *.
1890 (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order.
1891 (read_2sbyte_unaligned): Likewise.
1892 (read_4ubyte_unaligned): Likewise.
1893 (read_4sbyte_unaligned): Likewise.
1894 (read_8ubyte_unaligned): Likewise.
1895 (read_8sbyte_unaligned): Likewise.
1897 * libdwP.h (IDX_eh_frame): Remove it.
1898 * dwarf_begin_elf.c (dwarf_scnnames): Remove its element.
1900 2009-07-08 Roland McGrath <roland@redhat.com>
1902 * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better.
1904 * dwarf_getlocation.c (check_constant_offset): New function.
1905 (dwarf_getlocation, dwarf_getlocation_addr): Call it to
1906 handle DW_AT_data_member_location of data[48] as constant offset.
1908 2009-06-18 Roland McGrath <roland@redhat.com>
1910 * libdwP.h (__libdw_read_address_inc): Constify.
1911 (__libdw_read_offset_inc): Likewise.
1912 * dwarf_getaranges.c: Likewise.
1913 * dwarf_getlocation.c: Likewise.
1914 * dwarf_getsrclines.c: Likewise.
1915 * dwarf_nextcu.c: Likewise.
1917 2009-05-05 Petr Machata <pmachata@redhat.com>
1919 * libdwP.h (__libdw_formptr): Declare new function.
1920 * dwarf_formudata.c: Implement it here.
1921 * dwarf_getlocation.c (dwarf_getlocation_addr):
1922 Call it instead of hand-rolled offset handling code.
1923 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
1924 * dwarf_ranges.c (dwarf_ranges): Likewise.
1926 2009-05-04 Petr Machata <pmachata@redhat.com>
1928 * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function.
1929 * dwarf_ranges.c: Implement it here.
1930 (dwarf_ranges): Call it.
1931 * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here.
1933 2009-04-23 Petr Machata <pmachata@redhat.com>
1935 * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead
1936 of read_*ubyte_unaligned.
1937 * dwarf_formref_die.c (dwarf_formref_die): Likewise.
1938 * dwarf_formstring.c (dwarf_formstring): Likewise.
1939 * dwarf_formudate.c (dwarf_formudata): Likewise.
1940 * dwarf_getaranges.c (dwarf_getaranges): Likewise.
1941 * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise.
1942 * dwarf_getpubnames.c (get_offsets): Likewise.
1943 * dwarf_nextcu.c (dwarf_nextcu): Likewise.
1945 2009-04-23 Petr Machata <pmachata@redhat.com>
1947 * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc,
1948 __libdw_read_addr, __libdw_read_off): Add four new internal
1951 2009-05-07 Roland McGrath <roland@redhat.com>
1953 * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in
1954 return value and OFFSET argument, not CU-relative. Only fetch the
1955 attribute data when called with OFFSET of 0.
1957 2009-05-07 Petr Machata <pmachata@redhat.com>
1959 * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in
1960 DW_AT_macro_info attribute of CU DIE.
1962 2009-04-15 Roland McGrath <roland@redhat.com>
1964 * dwarf.h (DW_CIE_ID): Removed.
1965 (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it.
1967 2009-04-01 Roland McGrath <roland@redhat.com>
1969 * dwarf.h: Add DW_CFA_GNU_negative_offset_extended.
1971 2009-01-28 Roland McGrath <roland@redhat.com>
1973 * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s
1974 defn so C++ doesn't scope the name to not match the Dwarf_Line typedef.
1976 * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field.
1978 2009-01-26 Roland McGrath <roland@redhat.com>
1980 * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all.
1982 2009-01-25 Roland McGrath <roland@redhat.com>
1984 * dwarf_getattrs.c: Correctly skip attribute values when restarting.
1986 2009-01-23 Roland McGrath <roland@redhat.com>
1988 * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back.
1989 Put these rules under if MAINTAINER_MODE.
1991 2009-01-22 Roland McGrath <roland@redhat.com>
1993 * dwarf.h: Add DW_OP_GNU_encoded_addr.
1995 2009-01-21 Roland McGrath <roland@redhat.com>
1997 * Makefile.am (CLEANFILES): Renamed to ...
1998 (MOSTLYCLEANFILES): ... here.
1999 (CLEANFILES): New variable, add known-dwarf.h.
2001 2009-01-17 Roland McGrath <roland@redhat.com>
2003 * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir).
2004 Make it unconditional.
2005 (BUILT_SOURCES): Updated.
2007 * dwarf.h: Add description comments for DW_LANG_* values.
2009 * Makefile.am [MAINTAINER_MODE]
2010 ($(srcdir)/known-dwarf.h): New target.
2011 (BUILT_SOURCES): Add it.
2013 * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit.
2015 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2017 * dwarf_error.c: Always use __thread. Remove all !USE_TLS code.
2019 2009-01-08 Roland McGrath <roland@redhat.com>
2021 * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in.
2023 2008-01-06 Roland McGrath <roland@redhat.com>
2025 * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool.
2027 * dwarf_haschildren.c: Return -1 for error case, not 0.
2029 * Makefile.am (libdw.so): Link in $(zip_LIBS).
2031 2009-01-06 Ulrich Drepper <drepper@redhat.com>
2033 * dwarf.h: Add definition for unwind and call frame information.
2035 * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned,
2036 read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc.
2038 2008-08-15 Roland McGrath <roland@redhat.com>
2040 * libdw.map (ELFUTILS_0.136): New version set, inherits from
2041 ELFUTILS_0.130. Add dwfl_addrsegment, dwfl_report_segment.
2043 2008-01-21 Ulrich Drepper <drepper@redhat.com>
2045 * dwarf_child.c: Minor optimizations.
2046 * dwarf_getattrs.c: Likewise.
2047 * dwarf_getpubnames.c: Likewise.
2048 * dwarf_siblingof.c: Likewise.
2049 * dwarf_tag.c: Likewise.
2051 2008-01-18 Ulrich Drepper <drepper@redhat.com>
2053 * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match
2054 of DWARF_VERSION comparison, just fail if the file's version is newer.
2056 2008-01-17 Nick Clifton <nickc@redhat.com>
2058 * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define.
2059 (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define.
2060 (DWARF3_LENGTH_64_BIT): New define.
2061 * dwarf_getaranges (dwarf_getaranges): Use the new definitions.
2062 * dwarf_getpubnames: Include dwarf.h.
2063 (get_offsets): Use the new definitions.
2064 * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions.
2065 * dwarf_nextcu.c: Include dwarf.h. Correct comment.
2066 (dwarf_nextcu): Use the new definitions.
2068 * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro.
2069 * dwarf_diecu.c (dwarf_diecu): Use the new macro.
2070 * dwarf_getaranges (dwarf_getaranges): Use the new macro.
2071 * dwarf_nextcu.c (dwarf_nextcu): Use the new macro.
2073 * dwarf_getpubnames (get_offsets): Replace assertion with test and
2076 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE.
2078 * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer.
2079 Set the address in the return structure to the address of the next
2080 non-sibling die, if there is no sibling and the return pointer is
2081 not the same as the die pointer.
2082 * libdw.h: Expand the description of the dwarf_siblingof prototype.
2084 * dwarf_child.c: Fix typo in comment.
2086 * libdwP.h (DWARF_VERSION): Change to 3.
2088 * dwarf_formref.c (__libdw_formref.c): Handle attributes which do
2089 not have a initialised valp pointer.
2091 * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when
2092 the end of the attributes is reached. When the callback fails,
2093 return the address of the failing attribute, not the address of
2095 * libdw.h: Expand the description of the dwarf_getattrs prototype.
2097 * dwarf_child.c (__libdw_find_attr): Use the new definition.
2098 (dwarf_child): Likewise.
2099 * dwarf_tag.c (__libdw_findabbrev): Likewise.
2100 (dwarf_tag): Likewise.
2102 2008-01-08 Roland McGrath <roland@redhat.com>
2104 * Makefile.am (euinclude): Variable removed.
2105 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2106 (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir).
2108 2007-10-17 Roland McGrath <roland@redhat.com>
2110 * libdw.h (__deprecated_attribute__): New macro.
2111 (dwarf_formref): Mark it deprecated.
2112 * dwarf_formref.c (__libdw_formref): New function, broken out of ...
2113 (dwarf_formref): ... here. Call it. Remove INTDEF.
2114 * libdwP.h: Remove INTDECL.
2115 Declare __libdw_formref.
2116 * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead.
2117 * dwarf_formref_die.c: Likewise. Handle DW_FORM_ref_addr here.
2119 * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result,
2120 needs to check CU->version.
2122 * libdwP.h (struct Dwarf_CU): New member `version'.
2123 * libdw_findcu.c (__libdw_findcu): Initialize it.
2125 * dwarf_child.c: Return 1 for null entry as first child.
2127 2007-10-05 Roland McGrath <roland@redhat.com>
2129 * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections.
2131 * libdw.h (__extern_inline): Rename to __libdw_extern_inline.
2132 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses.
2134 2007-10-03 Roland McGrath <roland@redhat.com>
2136 * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf
2137 and dwfl_build_id_find_debuginfo.
2139 * libdw.map (ELFUTILS_0.130): New version set, inherits from
2140 ELFUTILS_0.127. Add dwfl_module_build_id, dwfl_module_report_build_id.
2142 2007-10-02 Roland McGrath <roland@redhat.com>
2144 * libdw_visit_scopes.c (classify_die): Return walk for class_type and
2147 2007-08-07 Roland McGrath <roland@redhat.com>
2149 * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when
2150 error code is DWARF_E_NOERROR (0).
2152 * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune.
2153 Fix typo in __libdw_visit_scopes argument.
2155 * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return,
2156 swallow DWARF_E_NO_DEBUG_RANGES but not other errors.
2158 2007-07-03 Roland McGrath <roland@redhat.com>
2160 * libdw.h (__extern_inline): New macro.
2161 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it.
2163 2007-04-16 Roland McGrath <roland@redhat.com>
2165 * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section.
2167 2007-04-05 Roland McGrath <roland@redhat.com>
2169 * dwarf_getsrcdirs.c: New file.
2170 * Makefile.am (libdw_a_SOURCES): Add it.
2171 * libdw.h: Declare dwarf_getsrcdirs.
2172 * libdw.map (ELFUTILS_0.127): Add it.
2174 * libdwP.h (struct Dwarf_Files_s): New member ndirs.
2175 * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to
2176 zero before we use it to check for DWARF_E_INVALID_DIR_IDX.
2177 Save DIRARRAY in the Dwarf_Files.
2179 * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN
2180 address to check for all-ones base address entry. Check directly.
2181 Reported by Sébastien Dugué <sebastien.dugue@bull.net>.
2183 2007-03-25 Roland McGrath <roland@redhat.com>
2185 * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void.
2186 Return NULL when freeing RESULT on error.
2187 (global_read, scngrp_read): Check return value from check_section,
2188 break out of loop after it has freed RESULT.
2189 (valid_p): Handle null argument.
2191 2007-03-12 Roland McGrath <roland@redhat.com>
2193 * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add.
2195 2007-03-04 Roland McGrath <roland@redhat.com>
2197 * libdw.map (ELFUTILS_0.127): New version set, inherits from
2198 ELFUTILS_0.126. Add dwfl_module_addrsym.
2200 2007-02-10 Roland McGrath <roland@redhat.com>
2202 * dwarf.h (DW_OP_fbreg): Comment fix.
2204 2007-02-03 Roland McGrath <roland@redhat.com>
2206 * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf.
2207 * libdw.map (ELFUTILS_0.126): New version set, inherits from
2208 ELFUTILS_0.122. Move dwarf_getelf there; it was never truly
2209 exported in the past.
2211 2006-12-17 Roland McGrath <roland@redhat.com>
2213 * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base
2214 address when the CU is missing attributes due to buggy GCC.
2216 2006-08-29 Roland McGrath <roland@redhat.com>
2218 * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION).
2220 * libdw.h (dwarf_diecu): Add __nonnull_attribute__.
2221 (dwarf_child): Don't list arg 1 in __nonnull_attribute__.
2223 * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure
2224 result is aligned. Adjust NEWP->remaining here for this allocation.
2225 * libdwP.h: Update decl.
2226 (libdw_alloc): Update caller.
2228 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2230 * dwarf_child.c: Adjust for internal_function_def removal.
2231 * dwarf_getabbrev.c: Likewise.
2232 * dwarf_tag.c: Likewise.
2233 * libdw_form.c: Likewise.
2234 * memory-access.c: Likewise.
2236 2006-06-28 Roland McGrath <roland@redhat.com>
2238 * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir.
2240 * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and
2243 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2245 * libdw.h: Add extern "C".
2247 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2249 * dwarf_getaranges.c (dwarf_getaranges): Handle files without
2250 aranges information.
2252 2006-05-21 Ulrich Drepper <drepper@redhat.com>
2254 * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs,
2257 2006-02-28 Roland McGrath <roland@redhat.com>
2259 * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*,
2260 DW_OP_* values, to match DWARF 3.0. Add new DW_DS_*, DW_END_*
2261 values from DWARF 3.0.
2263 2006-02-22 Roland McGrath <roland@redhat.com>
2265 * libdw.map: Bump to 0.120; export dwfl_version.
2267 2005-12-22 Roland McGrath <roland@redhat.com>
2269 * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report.
2271 2005-12-12 Roland McGrath <roland@redhat.com>
2273 * dwarf_ranges.c: Copy CU base address-finding code from
2276 2005-12-09 Roland McGrath <roland@redhat.com>
2278 * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys.
2279 Delay CU base lookup until it's needed.
2280 If CU base lookup fails with no error, flag invalid DWARF.
2282 2005-11-25 Roland McGrath <roland@redhat.com>
2284 * libdw.map: Bump to 0.118; export dwfl_module_register_names.
2286 2005-11-15 Roland McGrath <roland@redhat.com>
2288 * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic.
2290 2005-11-13 Roland McGrath <roland@redhat.com>
2292 * libdw.map: Bump to 0.117; export dwfl_module_return_value_location.
2294 2005-10-27 Roland McGrath <roland@redhat.com>
2296 * dwarf_entry_breakpoints.c (search_range): Fix binary search code;
2297 don't match end_sequence markers.
2299 * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers
2300 before normal records at the same address.
2301 * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence
2304 2005-10-26 Roland McGrath <roland@redhat.com>
2306 * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func.
2307 * dwarf_func_file.c: Renamed to ...
2308 * dwarf_decl_file.c: ... here.
2309 * dwarf_func_col.c: Renamed to ...
2310 * dwarf_decl_column.c: ... here.
2311 * dwarf_func_line.c: Renamed to ...
2312 * dwarf_decl_line.c: ... here.
2313 (dwarf_func_line): Renamed to ...
2314 (dwarf_decl_line): ... this. Take a Dwarf_Die * argument.
2315 (__libdw_func_intval): Renamed __libdw_attr_intval.
2316 * dwarf_func_name.c: File removed.
2317 * dwarf_func_lowpc.c: File removed.
2318 * dwarf_func_highpc.c: File removed.
2319 * dwarf_func_entrypc.c: File removed.
2320 * dwarf_func_die.c: File removed.
2321 * Makefile.am (libdw_a_SOURCES): Updated.
2322 * libdw.h: Update decls.
2323 (Dwarf_Func): Type removed.
2324 * libdwP.h: Update decls.
2325 (struct Dwarf_Func_s): Type removed.
2326 * libdw.map: Updated.
2328 * libdwP.h (CUDIE): New macro.
2329 * dwarf_getlocation.c (dwarf_getlocation_addr): Use it.
2330 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise.
2331 * dwarf_ranges.c (dwarf_ranges): Likewise.
2333 * dwarf_getloclist.c: Renamed to ...
2334 * dwarf_getlocation.c: ... here.
2335 (getloclist): Renamed to getlocation.
2336 (dwarf_getloclist): Renamed to dwarf_getlocation.
2337 (dwarf_addrloclists): Renamed to dwarf_getlocation_addr.
2338 * Makefile.am (libdw_a_SOURCES): Updated.
2339 * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation.
2340 (dwarf_addrloclists): Renamed dwarf_getlocation_addr.
2341 (Dwarf_Loc): Renamed Dwarf_Op.
2342 * libdwP.h (struct loc_s): Update use.
2343 * libdw.map: Update map.
2345 * dwarf_entry_breakpoints.c: Use the second line record within the
2346 function, regardless of its source location data.
2348 2005-10-25 Roland McGrath <roland@redhat.com>
2350 * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too.
2352 * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints.
2354 2005-10-14 Roland McGrath <roland@redhat.com>
2356 * dwarf_diecu.c (dwarf_diecu): New file.
2357 * Makefile.am (libdw_a_SOURCES): Add it.
2358 * libdw.h: Declare dwarf_diecu.
2359 * libdw.map: Export it.
2361 * libdw.map: Bump to 0.116; export dwarf_ranges.
2363 2005-09-20 Roland McGrath <roland@redhat.com>
2365 * dwarf_haspc.c: Use dwarf_ranges.
2366 * dwarf_entry_breakpoints.c: Likewise.
2368 * dwarf_ranges.c: New file.
2369 * Makefile.am (libdw_a_SOURCES): Add it.
2370 * libdw.h: Declare dwarf_ranges.
2371 * libdwP.h: Add INTDECL.
2373 2005-09-14 Roland McGrath <roland@redhat.com>
2375 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in
2376 prologue_end marker scanning loop.
2378 2005-09-11 Roland McGrath <roland@redhat.com>
2380 * dwarf.h: Comment typo fix.
2382 2005-09-07 Roland McGrath <roland@redhat.com>
2384 * dwarf_entry_breakpoints.c: New file.
2385 * Makefile.am (libdw_a_SOURCES): Add it.
2386 * libdw.h: Declare dwarf_entry_breakpoints.
2388 * dwarf_entrypc.c: New file.
2389 * Makefile.am (libdw_a_SOURCES): Add it.
2390 * libdw.h: Declare dwarf_entrypc.
2391 * libdwP.h: Add INTDECL.
2393 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2395 * Makefile.am: Use $(LINK) not $(CC) when creating DSO.
2396 (%.os): Use COMPILE.os.
2397 (COMPILE.os): Filter out gconv options.
2399 2005-08-27 Roland McGrath <roland@redhat.com>
2401 * dwarf_getscopes.c (dwarf_getscopes): Rewritten using
2402 __libdw_visit_scopes.
2404 * dwarf_getscopes_die.c: New file.
2405 * Makefile.am (libdw_a_SOURCES): Add it.
2406 * libdw.h: Declare dwarf_getscopes_die.
2407 * libdw.map: Bump to 0.115 and add it.
2409 * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct
2410 containing a DIE and its parent pointer, instead of just Dwarf_Die.
2411 Take two functions for both preorder and postorder visitors.
2412 * libdwP.h: Update decl.
2413 (struct Dwarf_Die_Chain): New type.
2414 * dwarf_func_inline.c: Update uses.
2416 * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate.
2418 * libdwP.h: Add INTDECL.
2419 * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename.
2421 2005-08-23 Roland McGrath <roland@redhat.com>
2423 * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat
2424 DW_AT_specification the same as DW_AT_abstract_origin.
2426 2005-08-20 Roland McGrath <roland@redhat.com>
2428 * libdw.map: Add dwfl_cumodule, remove dwfl_linecu.
2429 Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address,
2430 and dwfl_report_offline.
2432 2005-08-19 Roland McGrath <roland@redhat.com>
2434 * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes.
2435 Add dwfl_module_relocate_address, dwfl_module_relocations,
2436 dwfl_module_relocation_info.
2438 2005-08-18 Roland McGrath <roland@redhat.com>
2440 * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as
2441 outermost scope in the results.
2443 2005-08-15 Roland McGrath <roland@redhat.com>
2445 * dwarf_func_inline.c: New file.
2446 * Makefile.am (libdw_a_SOURCES): Add it.
2447 * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances.
2448 * libdw.map: Add them.
2450 * dwarf_func_die.c: New file.
2451 * Makefile.am (libdw_a_SOURCES): Add it.
2452 * libdw.h: Declare dwarf_func_die.
2453 * libdw.map: Add it. Bump version to ELFUTILS_0.114.
2455 2005-08-10 Ulrich Drepper <drepper@redhat.com>
2457 * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming
2458 of DW_LNS_set_epilog_begin.
2460 2005-08-09 Roland McGrath <roland@redhat.com>
2462 * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin.
2464 * dwarf_end.c: Add INTDEF.
2465 * dwarf_error.c (dwarf_errmsg): Likewise.
2466 * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs.
2468 2005-08-01 Roland McGrath <roland@redhat.com>
2470 * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset.
2471 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2473 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2475 * Makefile.am (libdw.so): No need to link with libeu.a anymore.
2476 (libdw_a_LIBADD): Add all files from libdwfl.a.
2478 2005-07-27 Roland McGrath <roland@redhat.com>
2480 * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in,
2481 along with ../libebl/libebl.a and ../lib/libeu.a;
2482 depend on ../libelf/libelf.so.
2483 (libdw_so_LDADD): New variable.
2484 * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map.
2486 * libdw.map: Define an empty base version and move all symbols to
2487 version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet.
2489 2005-07-23 Ulrich Drepper <drepper@redhat.com>
2491 * dwarf_error.c: Add internal alias for dwarf_errno.
2492 * libdwP.h: Declare __dwarf_errno_internal.
2493 * dwarf_getloclist.c: Use INTDEF for dwarf_errno.
2495 * dwarf_error.c [USE_TLS]: Actually use __thread in definition of
2498 2005-06-01 Roland McGrath <roland@redhat.com>
2500 * dwarf_getaranges.c (dwarf_getaranges): Sort result array.
2501 * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search.
2503 2005-06-08 Roland McGrath <roland@redhat.com>
2505 * memory-access.h (get_uleb128_step, get_uleb128): Remove casts.
2506 (get_sleb128_step, get_sleb128): Likewise.
2507 * dwarf_getattrs.c (dwarf_getattrs): Add consts.
2508 * dwarf_getloclist.c (getloclist): Likewise.
2509 * dwarf_formblock.c (dwarf_formblock): Likewise.
2510 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise.
2511 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise.
2512 * dwarf_formref.c (dwarf_formref): Likewise.
2513 * dwarf_formsdata.c (dwarf_formsdata): Likewise.
2514 * dwarf_formudata.c (dwarf_formudata): Likewise.
2515 * dwarf_haschildren.c (dwarf_haschildren): Likewise.
2516 * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise.
2517 * dwarf_tag.c (dwarf_tag): Likewise.
2518 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
2519 * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise.
2520 * libdw_form.c (__libdw_form_val_len): Likewise.
2521 * libdwP.h: Update decl.
2523 2005-06-04 Roland McGrath <roland@redhat.com>
2525 * memory-access.h (get_uleb128_rest_return): New macro.
2526 [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it.
2527 (get_sleb128_rest_return): New macro.
2528 [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it.
2529 * memory-access.c: New file.
2530 * Makefile.am (libdw_a_SOURCES): Add it.
2531 (DEFS): Add -DIS_LIBDW.
2533 2005-05-31 Roland McGrath <roland@redhat.com>
2535 * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to
2538 2005-05-30 Roland McGrath <roland@redhat.com>
2540 * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base
2541 address if DW_AT_low_pc is missing. Not to spec, but GCC generates it.
2543 * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte
2544 BEGIN value. Instead, match base address entries separately for
2547 2005-05-28 Roland McGrath <roland@redhat.com>
2549 * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance
2550 past location expression contents.
2552 2005-05-23 Roland McGrath <roland@redhat.com>
2554 * dwarf_getsrclines.c: Comment typo fix.
2556 * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation.
2557 * dwarf_getloclist.c (dwarf_addrloclists): Likewise.
2559 2005-05-22 Ulrich Drepper <drepper@redhat.com>
2561 * libdwP.h: Only use INTDECL for alias prototypes.
2563 2005-05-19 Roland McGrath <roland@redhat.com>
2565 * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too.
2567 * dwarf_getscopevar.c: New file.
2568 * Makefile.am (libdw_a_SOURCES): Add it.
2569 * libdw.h: Declare dwarf_getscopevar.
2571 * dwarf_getsrcfiles.c: Add INTDEF.
2572 * dwarf_haschildren.c: Likewise.
2573 * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL.
2575 * dwarf_getscopes.c: New file.
2576 * Makefile.am (libdw_a_SOURCES): Add it.
2577 * libdw.h: Declare dwarf_getscopes.
2578 * libdw.map: Add it.
2580 2005-05-18 Roland McGrath <roland@redhat.com>
2582 * libdwP.h (IDX_debug_ranges): New enum constant.
2583 * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges".
2584 * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant.
2585 * dwarf_error.c (errmsgs): Add it.
2586 * dwarf_haspc.c: New file.
2587 * libdw.h: Declare dwarf_haspc.
2588 * libdw.map: Add it.
2589 * libdwP.h: Add INTDECL.
2591 * dwarf_attr_integrate.c: New file.
2592 * dwarf_hasattr_integrate.c: New file.
2593 * Makefile.am (libdw_a_SOURCES): Add them.
2594 * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate.
2595 * libdw.map: Add them.
2597 * dwarf_hasattr.c: Add INTDEF.
2598 * libdwP.h: Add INTDECL for it.
2600 * dwarf_formref_die.c: New file.
2601 * Makefile.am (libdw_a_SOURCES): Add it.
2602 * libdw.h (dwarf_formref_die): Declare it.
2603 * libdwP.h (dwarf_formref_die): Add INTDECL.
2604 * libdw.map: Add it.
2606 * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out
2608 (dwarf_getloclist): ... here. Call them.
2609 (dwarf_addrloclists): New function.
2610 * libdw.h: Declare it.
2611 * libdw.map: Add it.
2613 * dwarf_getmacros.c (dwarf_getmacros): Don't bail at
2614 DW_MACINFO_end_file. Recognize type 0 as terminator.
2616 2005-05-05 Roland McGrath <roland@redhat.com>
2618 * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search.
2620 * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since
2621 the line program does not produce all entries in ascending order.
2623 2005-04-25 Ulrich Drepper <drepper@redhat.com>
2625 * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple
2626 occurences (e.g., inlines) better.
2628 2005-04-24 Ulrich Drepper <drepper@redhat.com>
2630 * libdw.h (DWARF_END_ABBREV): Define.
2631 * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if
2633 * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end
2635 * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV
2636 as error of __libdw_getabbrev.
2638 2005-04-04 Ulrich Drepper <drepper@redhat.com>
2640 * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization.
2642 * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of
2643 results back to caller.
2645 2005-04-04 Roland McGrath <roland@redhat.com>
2647 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL.
2649 * dwarf_func_line.c (__libdw_func_intval): Use internal_function in
2652 2005-04-04 Ulrich Drepper <drepper@redhat.com>
2654 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE.
2656 * dwarf_getsrc_file.c: New file.
2657 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c.
2658 * libdw.h: Declare dwarf_getsrc_file.
2659 * libdw.map: Add dwarf_getsrc_file.
2661 2005-04-02 Ulrich Drepper <drepper@redhat.com>
2663 * dwarf_func_entrypc.c: New file.
2664 * dwarf_func_col.c: New file.
2665 * dwarf_func_line.c: New file.
2666 * dwarf_func_file.c: New file.
2667 * libdw.h: Add prototypes for new functions.
2668 * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line,
2670 * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c,
2671 dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c.
2672 * libdwP.h (struct Dwarf_Func_s): Add cudie element.
2673 Declare __libdw_func_intval and __dwarf_formsdata_internal.
2674 * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object.
2675 * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs.
2677 * dwarf.h: Add some DWARF3 definitions.
2679 2005-04-01 Ulrich Drepper <drepper@redhat.com>
2681 * dwarf_getfuncs.c: New file.
2682 * dwarf_func_highpc.c: New file.
2683 * dwarf_func_lowpc.c: New file.
2684 * dwarf_func_name.c: New file.
2685 * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c,
2686 dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c.
2687 * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc,
2688 and dwarf_func_name.
2689 * libdw.h: Add prototypes for new functions.
2690 * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs.
2691 * dwarf_siblingof.c: Likewise.
2692 * dwarf_dieoffset.c: Likewise.
2693 * dwarf_highpc.c: Likewise.
2694 * dwarf_lowpc.c: Likewise.
2695 * libdwP.h: Add prototypes for internal functions.
2696 Define Dwarf_Func_s structure.
2698 2005-03-29 Ulrich Drepper <drepper@redhat.com>
2700 * libdw.h: Add padding in Dwarf_die.
2702 * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs.
2703 * dwarf_attr.c: Likewise.
2704 * dwarf_begin.c: Likewise.
2705 * dwarf_begin_elf.c: Likewise.
2706 * dwarf_bitoffset.c: Likewise.
2707 * dwarf_bitsize.c: Likewise.
2708 * dwarf_bytesize.c: Likewise.
2709 * dwarf_diename.c: Likewise.
2710 * dwarf_formaddr.c: Likewise.
2711 * dwarf_formblock.c: Likewise.
2712 * dwarf_formref.c: Likewise.
2713 * dwarf_formstring.c: Likewise.
2714 * dwarf_formudata.c: Likewise.
2715 * dwarf_getarange_addr.c: Likewise.
2716 * dwarf_getarangeinfo.c: Likewise.
2717 * dwarf_getaranges.c: Likewise.
2718 * dwarf_getloclist.c: Likewise.
2719 * dwarf_getmacros.c: Likewise.
2720 * dwarf_getsrc_die.c: Likewise.
2721 * dwarf_getsrcfiles.c: Likewise.
2722 * dwarf_getsrclines.c: Likewise.
2723 * dwarf_highpc.c: Likewise.
2724 * dwarf_lowpc.c: Likewise.
2725 * dwarf_nextcu.c: Likewise.
2726 * dwarf_offdie.c: Likewise.
2727 * dwarf_siblingof.c: Likewise.
2728 * dwarf_srclang.c: Likewise.
2729 * dwarf_tag.c: Likewise.
2730 * libdw_findcu.c: Likewise.
2731 * libdwP.h: Add prototypes for internal functions.
2733 * dwarf_addrdie.c: New file.
2734 * dwarf_macro_opcode.c: New file.
2735 * dwarf_macro_param1.c: New file.
2736 * dwarf_macro_param2.c: New file.
2737 * libdw.h: Add declarations. Move Dwarf_Macro definition to libdwP.h.
2738 * libdwP.h: Remove Dwarf_Macro definition.
2739 * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c,
2740 dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c.
2741 * libdw.map: Add entries for new functions.
2743 2005-03-21 Ulrich Drepper <drepper@redhat.com>
2745 * libdw.h: Handle broken gcc < 4.
2747 2005-02-15 Ulrich Drepper <drepper@redhat.com>
2749 * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2.
2751 * dwarf_begin_elf.c: Fix warnings.
2752 * dwarf_dieoffset.c: Likewise.
2753 * dwarf_end.c: Likewise.
2754 * dwarf_error.c: Likewise.
2755 * dwarf_getpubnames.c: Likewise.
2757 * libdwP.h: Add new error values.
2758 * dwarf_error.c: Support new error values.
2759 * dwarf_getpubnames.c: Check parameter value.
2761 2005-02-05 Ulrich Drepper <drepper@redhat.com>
2763 * Makefile.am: Check for text relocations in constructed DSO.
2765 * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap.
2767 2005-02-04 Ulrich Drepper <drepper@redhat.com>
2769 * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary
2770 checks to not read over buffer boundaries for ill-formed DWARF data.
2772 2004-09-25 Ulrich Drepper <drepper@redhat.com>
2774 * dwarf_child.c: Make compile with gcc 4.0.
2775 * dwarf_error.c: Likewise.
2776 * dwarf_formblock.c: Likewise.
2777 * dwarf_getabbrev.c: Likewise.
2778 * dwarf_getattrs.c: Likewise.
2779 * dwarf_getsrclines.c: Likewise.
2780 * dwarf_tag.c: Likewise.
2781 * libdw_form.c: Likewise.
2783 2004-01-20 Ulrich Drepper <drepper@redhat.com>
2785 * Makefile.am: Support building with mudflap.
2787 * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out.
2788 * dwarf_getsrclines.c: Likewise.
2789 * dwarf_memory-access.h: Likewise.
2791 2004-01-19 Ulrich Drepper <drepper@redhat.com>
2793 * dwarf_getsrcfiles.c: Third parameter can be NULL.
2795 * libdw.h: Define Dwarf_macro. Declare dwarf_getmacros.
2796 Third parameter of dwarf_getsrcfiles can be NULL.
2798 * libdw.map: Add dwarf_getmacros.
2799 * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros.
2800 * dwarf_getmacros.c: New file.
2802 2004-01-18 Ulrich Drepper <drepper@redhat.com>
2804 * libdw.h: Second parameter of dwarf_getaranges can be NULL.
2806 * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL.
2808 * dwarf_getsrclines.c:
2809 Use read_2ubyte_unaligned_inc instead of _inc-less variant.
2811 * dwarf_getaranges.c: Allow naranges parameter to be NULL.
2813 * libdwP.h (_): Use elfutils domain.
2815 * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction.
2817 * dwarf_getsrclines.c: Fix typo in comment.
2819 2004-01-17 Ulrich Drepper <drepper@redhat.com>
2821 * Makefile.am: Support building with mudflap.
2823 2004-01-16 Ulrich Drepper <drepper@redhat.com>
2825 * memory-access.h: Add lots of const in case a pointer passed is const.
2827 * dwarf_formflag.c: New file.
2828 * dwarf_getattrs.c: New file.
2829 * dwarf_error.c: Add new error value.
2830 * libdw.h: Add prototypes for new functions. Adjust prototype for
2832 * libdw.map: Add new functions.
2833 * dwarf_getpubnames.c: Change type of return value and fourth parameter
2835 * libdwP.h: Add new error value.
2836 * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and
2839 * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL.
2841 2004-01-12 Ulrich Drepper <drepper@redhat.com>
2843 * dwarf_getarange_addr.c: New file
2844 * dwarf_getarangeinfo.c: New file.
2845 * dwarf_getaranges.c: New file.
2846 * dwarf_onerange.c: New file.
2847 * libdw.h: Declare new functions. Define Dwarf_Arange and
2849 * libdw.map: Add new functions.
2850 * libdwP.h: Add new errors. Add aranges member to struct Dwarf.
2851 Define Dwarf_Aranges_s and Dwarf_Arange_s.
2852 * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c,
2853 dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c.
2854 * dwarf_error.c: Add new message.
2856 2004-01-11 Ulrich Drepper <drepper@redhat.com>
2858 * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c,
2859 dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c,
2860 dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c.
2861 * dwarf_error.c: Add another message.
2862 * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines
2864 * dwarf_filesrc.c: Likewise.
2865 * dwarf_getsrcfiles.c: Likewise.
2866 * dwarf_getsrclines.c: Likewise.
2867 * dwarf_lineaddr.c: New file.
2868 * dwarf_linebeginstatement.c: New file.
2869 * dwarf_lineblock.c: New file.
2870 * dwarf_linecol.c: New file.
2871 * dwarf_lineendsequence.c: New file.
2872 * dwarf_lineepiloguebegin.c: New file.
2873 * dwarf_lineno.c: New file.
2874 * dwarf_lineprologueend.c: New file.
2875 * dwarf_onesrcline.c: New file.
2876 * dwarf_lineno.c: Change interface to store result in object pointed
2877 to by second parameter.
2878 * libdw.h: Add prototypes for new functions. Change dwarf_lineno
2879 prototype. Define Dwarf_Files and Dwarf_Lines.
2880 * libdw.map: Add new functions.
2881 * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s.
2882 * libdw_findcu.c: Don't initialize nlines field.
2884 * dwarf_siblingof: Little optimization.
2886 * dwarf_begin.c: Remember that the ELF descriptor must be closed.
2887 * dwarf_end.c: Close ELF descriptor if free_elf is set.
2888 * libdwP.h (struct Dwarf): Add free_elf field.
2890 * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and
2892 * dwarf_getstring.c: New file.
2893 * dwarf_offabbrev.c: New file.
2894 * libdw.map: Add dwarf_getstring and dwarf_offabbrev.
2895 * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result
2896 parameters. Don't allocate memory if not necessary and don't lookup
2897 previous results if no CU given.
2898 (dwarf_getabbrev): Adjust call to __libdw_getabbrev.
2899 * dwarf_tag.c: Adjust call to __libdw_getabbrev.
2900 * libdw.h: Declare dwarf_offabbrev and dwarf_getstring.
2901 * libdwP.h: Change prototype for __libdw_getabbrev.
2903 * dwarf_getabbrevattr.c: Add offsetp parameter. Fill in before
2904 returning if this is wanted.
2906 2004-01-09 Ulrich Drepper <drepper@redhat.com>
2908 * dwarf_nextcu.c: Add new parameter offset_sizep. Initialize it
2909 with offset_size value.
2910 * libdw.h: Adjust dwarf_nextcu prototype.
2911 * libdwP.h (struct Dwarf_CU): Add offset_size member.
2912 * libdw_findcu.c: Adjust dwarf_nextcu call. Initialize offset_size
2913 member of new CU struct.
2914 * dwarf_formstring.c: Depend on offset_size not address_size for
2915 DW_FORM_strp handling.
2916 * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr.
2918 * dwarf_tag.c (__libdw_findabbrev): Return correct value for
2920 (dwarf_tag): Correctly recognize failed lookup.
2922 * dwarf_end.c (cu_free): Call tdestroy for locs member. Use new
2924 * dwarf_error.c: Add message for DWARF_E_NO_BLOCK.
2925 * dwarf_formblock.c: New file.
2926 * dwarf_getloclist.c: Rewrite to handle a single block.
2927 * libdw.h: Define Dwarf_Block. Rename Dwarf_Loc members. Remove
2928 Dwarf_Locdesc definition. Declare dwarf_formblock. Remove
2929 dwarf_getloclistent declaration.
2930 * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent.
2931 * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK.
2932 Add locs member to struct Dwarf_CU.
2933 * libdw_fundcu.c: Initialize locs member of new CU.
2934 * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c.
2935 Remove dwarf_getloclistent.c.
2937 2004-01-07 Ulrich Drepper <drepper@redhat.com>
2939 * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3.
2940 * libdwP.h: Likewise.
2942 * dwarf_getloclist.c: New file.
2943 * dwarf_getloclistent.c: New file.
2944 * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc.
2945 Declare dwarf_getloclistent and dwarf_getloclist.
2946 * libdw.map: Add dwarf_getloclistent and dwarf_getloclist.
2947 * libdwP.h: Define DWARF_E_NO_LOCLIST.
2948 * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and
2951 * dwarf_error.c: More error messages.
2953 2004-01-06 Ulrich Drepper <drepper@redhat.com>
2955 * dwarf_getsrclines.c: Remove debugging support.
2957 * dwarf_getsrcfiles.c: New file.
2958 * dwarf_filesrc.c: New file.
2959 * libdw.h: Declare these functions. Define Dwarf_File.
2960 * libdwP.c: Adjust Dwarf_File_s definition.
2961 * libdw.map: Add these functions.
2962 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and
2964 * dwarf_getsrclines.c: Initialize cu->files.
2966 2004-01-05 Ulrich Drepper <drepper@redhat.com>
2968 * libdw.h: Add more nonnull function attributes.
2970 * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next.
2971 * dwarf_end.c (cu_free): New function.
2972 (dwarf_end): Also free CU tree. Correct freeing of memory blocks.
2973 * dwarf_error.c (errmsgs): Add new messages.
2974 * dwarf_getsrc_die.c: New file.
2975 * dwarf_getsrclines.c: New file.
2976 * dwarf_lineno.c: New file.
2977 * dwarf_linesrc.c: New file.
2978 * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc
2979 instead of the *_inc-less variants.
2980 * libdw.h: Define Dwarf_Line. Add some function attributes. Declare
2981 dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc.
2982 * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno,
2984 * libdwP.h: Add more error codes.
2985 (struct Dwarf): Remove mem_tail.next member.
2986 (Dwarf_File): Define type.
2987 (struct Dwarf_Line_s): Define type.
2988 (struct Dwarf_CU): Add lines and nlines members.
2989 (libdw_alloc): Define local variable _tail and use it.
2990 Add some function attributes.
2991 * libdw_alloc.c (__libdw_allocate): Don't initialize next member.
2992 * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members.
2993 * memory-access.h: Add unlikely for the endian conversion paths.
2994 * Makefile.am (AM_CFLAGS): Add -std parameter.
2995 (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die,
2996 dwarf_lineno, and dwarf_linesrc.
2998 2003-08-11 Ulrich Drepper <drepper@redhat.com>
3000 * Moved to CVS archive.