12022-10-21 Yonggang Luo <luoyonggang@gmail.com> 2 3 * dwarf_begin_elf.h: Don't include unistd.h and endian.h. 4 * dwarf_end.c: Don't include unistd.h. 5 * dwarf_setalt.c: Likewise. 6 * libdw_find_split_unit.c: Likewise. 7 82022-10-19 Mark Wielaard <mark@klomp.org> 9 10 * dwarf.h (DW_LLE_GNU_view_pair): New constant. 11 122022-10-21 Yonggang Luo <luoyonggang@gmail.com> 13 14 * memory-access.h: Include system.h instead of byteswap.h and 15 endian.h. 16 172022-09-20 Yonggang Luo <luoyonggang@gmail.com> 18 19 * memory-access.h: Use BYTE_ORDER, LITTLE_ENDIAN and BIG_ENDIAN. 20 212022-09-13 Aleksei Vetrov <vvvvvv@google.com> 22 23 * libdw.map (ELFUTILS_0.188): Add dwfl_report_offline_memory. 24 252022-08-09 Ulrich Drepper <drepper@redhat.com> 26 27 * dwarf_next_cfi.c (dwarf_next_cfi): Don't skip processing the 28 augmentation string. Be more stringent what to accept. 29 302022-07-28 Di Chen <dichen@redhat.com> 31 32 * libdw.map (ELFUTILS_0.188): Add dwfl_frame_reg. 33 342022-07-13 Mark Wielaard <mark@klomp.org> 35 36 * libdw.map (ELFUTILS_0.187): Renamed to... 37 (ELFUTILS_0.188): ... this. 38 392022-05-09 Mark Wielaard <mark@klomp.org> 40 41 * dwarf_getlocation.c (store_implicit_value): Check block length. 42 432022-04-16 Mark Wielaard <mark@klomp.org> 44 45 * libdwP.h: Remove atomics.h include. 46 472022-04-13 Mark Wielaard <mark@klomp.org> 48 49 * dwarf.h: Add DWARF5 package file section identifiers, 50 DW_SECT_*. 51 522021-10-20 John M Mellor-Crummey <johnmc@rice.edu> 53 54 * dwarf_linecontext.c: New file. 55 * dwarf_linefunctionname.c: Likewise. 56 * Makefile.am (libdw_a_SOURCES): Add dwarf_linecontext.c and 57 dwarf_linefunctionname.c 58 * dwarf.h: Add DW_LNE_NVIDIA_inlined_call and 59 DW_LNE_NVIDIA_set_function_name. 60 * dwarf_getsrclines.c (struct line_state): Add context and 61 function_name fields. 62 (add_new_line): Set context and function_name. 63 (MAX_STACK_LINES): Reduce to MAX_STACK_ALLOC / 2. 64 (read_srclines): Initialize context and function_name. Try to 65 read debug_str_offset if available. Handle 66 DW_LNE_NVIDIA_inlined_call and DW_LNE_NVIDIA_set_function_name. 67 * libdw.h (dwarf_linecontext): New declaration. 68 (dwarf_linefunctionname): Likewise. 69 * libdw.map (ELFUTILS_0.186): New section. 70 712021-11-08 Mark Wielaard <mark@klomp.org> 72 73 * dwarf_begin_elf.c (scn_dwarf_type): New function. 74 (check_section): Check result->type. 75 (global_read): First check type. 76 (scngrp_read): Likewise. 77 * libdw/libdwP.h (enum dwarf_type): New enumeration. 78 (struct Dwarf): New field type. 79 802021-02-14 Alexander Miller <alex.miller@gmx.de> 81 82 * dwarf_aggregate_size.c (dwarf_aggregate_size): Move NEW_VERSION 83 before definition. Replace INTDEF with NEW_INTDEF. 84 * dwarf_srclang.c (dwarf_srclang): Likewise. 85 * dwarf_arrayorder.c (dwarf_arrayorder): Move NEW_VERSION. 86 * dwarf_bitoffset.c (dwarf_bitoffset): Likewise. 87 * dwarf_bitsize.c (dwarf_bitsize): Likewise. 88 * dwarf_bytesize.c (dwarf_bytesize): Likewise. 89 * dwarf_decl_column.c (dwarf_decl_column): Likewise. 90 912021-10-18 Mark Wielaard <mark@klomp.org> 92 93 * dwarf_aggregate_size.c (get_type): Don't pass NULL to 94 dwarf_peel_type. 95 962021-10-06 Mark Wielaard <mark@klomp.org> 97 98 * dwarf_aggregate_size.c (array_size): Check signedness of child DIE 99 type. Use dwarf_formsdata or dwarf_formudata to get the lower and 100 upper bounds. 101 1022021-09-08 Mark Wielaard <mark@klomp.org> 103 104 * dwarf_begin_elf.c (valid_p): Identify ELF class and use this to set 105 address_size of the fake CUs. Also set offset_size and DWARF version. 106 1072021-09-06 Dmitry V. Levin <ldv@altlinux.org> 108 109 * dwarf_begin_elf.c (valid_p): Remove casts of malloc return values. 110 (dwarf_begin_elf): Remove cast of calloc return value. 111 * dwarf_getpubnames.c (get_offsets): Remove casts of realloc return 112 values. 113 * dwarf_getsrclines.c (read_srclines): Remove cast of malloc return 114 value. 115 1162021-04-19 Martin Liska <mliska@suse.cz> 117 118 * dwarf_begin_elf.c (check_section): Use startswith. 119 1202021-05-01 Mark Wielaard <mark@klomp.org> 121 122 * libdw_form.c (__libdw_form_val_compute_len): Check indirect 123 form is not DW_FORM_indirect or DW_FORM_implicit_const. 124 1252021-04-23 Omar Sandoval <osandov@fb.com> 126 127 * dwarf_child.c (__libdw_find_attr): Handle DW_FORM_indirect. 128 * dwarf_getattrs.c (dwarf_getattrs): Handle DW_FORM_indirect. 129 1302021-02-12 Mark Wielaard <mark@klomp.org> 131 132 * dwarf_getlocation.c (attr_ok): For DWARF version 4 or higher 133 block forms are not expression locations. 134 (is_constant_offset): DW_FORM_implicit_const is also a constant. 135 1362020-12-20 Dmitry V. Levin <ldv@altlinux.org> 137 138 * .gitignore: New file. 139 1402020-12-16 Dmitry V. Levin <ldv@altlinux.org> 141 142 * libdwP.h (_): Remove. 143 1442020-12-12 Dmitry V. Levin <ldv@altlinux.org> 145 146 * dwarf.h: Fix spelling typo in comment. 147 * dwarf_begin_elf.c (dwarf_begin_elf): Likewise. 148 * dwarf_getlocation.c (attr_ok, __libdw_intern_expression): Likewise. 149 * dwarf_getsrclines.c (read_srclines): Likewise. 150 * libdw.h: Fix spelling typos in comments. 151 * libdwP.h: Likewise. 152 1532020-12-09 Dmitry V. Levin <ldv@altlinux.org> 154 155 * Makefile.am (noinst_PROGRAMS): Rename to noinst_DATA. 156 (libdw_so_SOURCES): Remove. 157 (MOSTLYCLEANFILES): Add libdw.so. 158 1592020-11-30 Dmitry V. Levin <ldv@altlinux.org> 160 161 * Makefile.am (libdw.so$(EXEEXT)): Drop $(EXEEXT) suffix. 162 1632020-11-01 Érico N. Rolim <erico.erc@gmail.com> 164 165 * Makefile.am (libdw_so_LDLIBS): Add fts_LIBS. 166 1672020-10-28 Tom Tromey <tom@tromey.com> 168 169 PR26773 170 * dwarf_getlocation.c (store_implicit_value): Use 171 __libdw_get_uleb128_unchecked. 172 * memory-access.h (get_sleb128_step): Assume unsigned type for 173 'var'. 174 (__libdw_get_sleb128, __libdw_get_sleb128_unchecked): Work in 175 unsigned type. Handle final byte. 176 1772020-10-19 Mark Wielaard <mark@klomp.org> 178 179 * dwarf_frame_register.c (dwarf_frame_register): Declare ops_mem 180 as array of (at least) 3 elements. 181 * libdw.h (dwarf_frame_register): Add extra explanation of ops_mem 182 argument. 183 1842020-10-23 Tom Tromey <tom@tromey.com> 185 186 * memory-access.h (read_3ubyte_unaligned_inc): Call 187 read_3ubyte_unaligned. 188 1892020-09-03 Mark Wielaard <mark@klomp.org> 190 191 * dwarf.h: Add DW_CFA_AARCH64_negate_ra_state. 192 * cfi.h (struct Dwarf_CFI_s): Add e_machine field. 193 * cfi.c (execute_cfi): Recognize, but ignore 194 DW_CFA_AARCH64_negate_ra_state on aarch64. 195 * dwarf_getcfi.c (dwarf_getcfi): Set cfi e_machine. 196 * dwarf_getcfi_elf.c (allocate_cfi): Take ehdr as argument and set 197 cfi e_machine. 198 (getcfi_gnu_eh_frame): Pass ehdr to allocate_cfi. 199 (getcfi_scn_eh_frame): Likewise. 200 2012020-09-03 Mark Wielaard <mark@klomp.org> 202 203 * libdw.map (ELFUTILS_0.126): Remove local wildcard. 204 (ELFUTILS_0.127): Likewise. 205 (ELFUTILS_0.130): Likewise. 206 (ELFUTILS_0.136): Likewise. 207 (ELFUTILS_0.138): Likewise. 208 2092020-08-25 Mark Wielaard <mark@klomp.org> 210 211 * dwarf_getlocation.c (check_constant_offset): Rename to... 212 (is_constant_offset): .. this. 213 2142020-06-28 Mark Wielaard <mark@klomp.org> 215 216 * linux-kernel-modules.c (intuit_kernel_bounds): Check read_address 217 returns an increasing address when searching for end. 218 2192020-06-16 Mark Wielaard <mark@klomp.org> 220 221 * cfi.c (execute_cfi): Add missing FALLTHROUGH. 222 2232020-05-08 Mark Wielaard <mark@klomp.org> 224 225 * libdw_visit_scopes.c (walk_children): Don't recurse into imported 226 DW_TAG_compile_units. 227 2282020-05-08 Mark Wielaard <mark@klomp.org> 229 230 * dwarf_decl_file.c (dwarf_decl_file): Use attr CU instead of DIE 231 CU to resolve file name. 232 * dwarf_ranges.c(dwarf_ranges): Document which CU we use when. 233 * libdw.h (dwarf_attr_integrate): Extend documentation. 234 2352020-04-25 Mark Wielaard <mark@klomp.org> 236 237 * libdw_alloc.c (__libdw_alloc_tail): Call Dwarf oom_handler() 238 when malloc fails. 239 2402020-04-17 Mark Wielaard <mark@klomp.org> 241 242 * dwarf_begin_elf.c (check_section): Handle .gnu.debuglto_ prefix. 243 2442019-10-28 Aaron Merey <amerey@redhat.com> 245 246 * Makefile.am (libdw_so_LDLIBS): Add -ldl for libdebuginfod.so dlopen. 247 2482019-11-10 Mark Wielaard <mark@klomp.org> 249 250 * libdwP.h (libdw_unalloc): New define. 251 (libdw_typed_unalloc): Likewise. 252 (__libdw_thread_tail): New function declaration. 253 * libdw_alloc.c (__libdw_thread_tail): New function. 254 * dwarf_getabbrev.c (__libdw_getabbrev): Call libdw_typed_unalloc 255 when reading invalid data or when hash collission detected. 256 2572019-10-28 Jonathon Anderson <jma14@rice.edu> 258 259 * libdw_alloc.c: Added __libdw_alloc_tail. 260 (__libdw_allocate): Switch to use the mem_tails array. 261 * libdwP.h (Dwarf): Likewise. 262 * dwarf_begin_elf.c (dwarf_begin_elf): Support for above. 263 * dwarf_end.c (dwarf_end): Likewise. 264 * atomics.h: Add support for thread_local. 265 2662019-10-28 Mark Wielaard <mark@klomp.org> 267 268 * dwarf_sig8_hash.h: Include libdw.h. Remove COMPARE. Include 269 dynamicsizehash_concurrent.h. 270 * dwarf_sig8_hash.c: Include dynamicsizehash_concurrent.c. 271 * dwarf_formref_die.c (dwarf_formref_die): Drop NULL argument to 272 Dwarf_Sig8_Hash_find. 273 2742019-08-26 Srđan Milaković <sm108@rice.edu@rice.edu> 275 276 * dwarf_abbrev_hash.{c,h}: Use the *_concurrent hash table. 277 2782019-11-01 Jonathon Anderson <jma14@rice.edu> 279 280 * dwarf_begin_elf.c (valid_p): Switch calloc for malloc for fake CUs. 281 Add explicit initialization of some fields. 282 * dwarf_end.c (cu_free): Add clause to limit freeing of CU internals. 283 2842019-08-26 Jonathon Anderson <jma14@rice.edu> 285 286 * libdw_alloc.c (__libdw_allocate): Added thread-safe stack allocator. 287 * libdwP.h (Dwarf): Likewise. 288 * dwarf_begin_elf.c (dwarf_begin_elf): Support for above. 289 * dwarf_end.c (dwarf_end): Likewise. 290 * Makefile.am: Use -pthread to provide rwlocks. 291 2922019-07-05 Omar Sandoval <osandov@fb.com> 293 294 * Makefile.am (libdw_so_LIBS): Replace libebl.a with libebl_pic.a. 295 Move libebl_pic.a to the beginning so that libdw symbols are resolved. 296 (libdw_so_LDLIBS): Remove -ldl. 297 (libdw.so): Remove -rpath. 298 (libdw_a_LIBADD): Add libebl, libebl_backends, and libcpu objects. 299 3002019-08-25 Jonathon Anderson <jma14@rice.edu> 301 302 * dwarf_getcfi.c (dwarf_getcfi): Set default_same_value to false. 303 3042019-08-12 Mark Wielaard <mark@klomp.org> 305 306 * libdw.map (ELFUTILS_0.177): Add new version of dwelf_elf_begin. 307 3082019-06-28 Mark Wielaard <mark@klomp.org> 309 310 * libdw.map (ELFUTILS_0.177): New section. Add 311 dwelf_elf_e_machine_string. 312 3132019-05-16 Mark Wielaard <mark@klomp.org> 314 315 * dwarf.h: Add DW_AT_GNU_numerator, DW_AT_GNU_denominator and 316 DW_AT_GNU_bias. 317 3182019-04-28 Mark Wielaard <mark@klomp.org> 319 320 * dwarf_siblingof.c (dwarf_siblingof): Don't initialize addr. 321 3222019-04-28 Mark Wielaard <mark@klomp.org> 323 324 * dwarf_getlocation.c (dwarf_getlocation_addr): Call 325 check_constant_offset with llbufs and listlens directly. 326 3272019-04-27 Mark Wielaard <mark@klomp.org> 328 329 * dwarf_getlocation.c (store_implicit_value): Check dbg isn't 330 NULL. 331 3322019-02-02 Mark Wielaard <mark@klomp.org> 333 334 * dwarf_nextcu.c (__libdw_next_unit): Define bytes_end. 335 Check there are enough bytes to read extended length, version 336 and unit. 337 3382019-01-20 Mark Wielaard <mark@klomp.org> 339 340 * dwarf_getsrclines.c (read_srclines): Check terminating NUL byte 341 for dir and file lists. 342 3432018-10-23 Mark Wielaard <mark@klomp.org> 344 345 * dwarf_child.c (__libdw_find_attr): Initialize readp to NULL. 346 * dwarf_getattrs.c (dwarf_getattrs): Initialize die_addr to NULL. 347 3482018-10-20 Mark Wielaard <mark@klomp.org> 349 350 * libdw.map (ELFUTILS_0.175): New section. Add dwelf_elf_begin. 351 3522018-10-29 Milian Wolff <milian.wolff@kdab.com> 353 354 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type != SHT_NOBITS. 355 3562018-09-13 Mark Wielaard <mark@klomp.org> 357 358 * dwarf_begin_elf.c (check_section): Drop ehdr argument, add and 359 use shstrndx argument. 360 (global_read): Likewise. 361 (scngrp_read): Likewise. 362 (dwarf_begin_elf): Call elf_getshdrstrndx. Pass shstrndx to 363 global_read or scngrp_read. 364 3652018-08-18 Mark Wielaard <mark@klomp.org> 366 367 * dwarf_getabbrev.c (__libdw_getabbrev): Continue until both name 368 and form are zero. 369 * dwarf_hasattr.c (dwarf_hasattr): Stop when both name and form 370 are zero. 371 3722018-08-18 Mark Wielaard <mark@klomp.org> 373 374 * dwarf_getaranges.c (dwarf_getaranges.c): Make sure there is enough 375 data to read the address and segment size. 376 3772018-07-04 Ross Burton <ross.burton@intel.com> 378 379 * libdw_alloc.c: Remove error.h include. 380 3812018-06-28 Mark Wielaard <mark@klomp.org> 382 383 * dwarf_next_cfi.c (dwarf_next_cfi): Check whether length is zero. 384 3852018-06-27 Mark Wielaard <mark@klomp.org> 386 387 * dwarf_begin_elf.c (check_section): Allow a single .debug_frame 388 section. 389 3902018-06-26 Mark Wielaard <mark@klomp.org> 391 392 * libdw.h (dwarf_getscn_info): Remove. 393 * libdw.map (ELFUTILS_0.122): Remove dwarf_getscn_info. 394 3952018-06-25 Mark Wielaard <mark@klomp.org> 396 397 * Makefile.am (libdw_a_SOURCES): Add dwarf_next_lines.c. 398 * libdw.h (dwarf_next_lines): New function declaration. 399 * libdw.map (ELFUTILS_0.173): New section. 400 * dwarf_next_lines.c: New files. 401 * dwarf_begin_elf.c (check_section): Don't error out when elf 402 decompression fails. 403 (valid_p): Allow just a single .debug_line section. 404 * dwarf_getsrclines.c (read_srclines): Keep files relative if comp_dir 405 is missing. 406 4072018-06-22 Mark Wielaard <mark@klomp.org> 408 409 * dwarf_nextcu.c (__libdw_next_unit): Set next_off to -1 when it would 410 wrap around. 411 4122018-06-18 Mark Wielaard <mark@klomp.org> 413 414 * dwarf_aggregate_size.c (array_size): New depth argument. Use 415 aggregate_size instead of dwarf_aggregate_size and pass depth. 416 (aggregate_size): New depth argument. Check depth isn't bigger 417 than MAX_DEPTH (256). Pass depth to recursive calls. 418 (dwarf_aggregate_size): ass zero as depth to aggregate_size. 419 4202018-06-18 Mark Wielaard <mark@klomp.org> 421 422 * dwarf_peel_type.c (dwarf_peel_type): Limit modifier chain to 64. 423 4242018-06-18 Mark Wielaard <mark@klomp.org> 425 426 * dwarf_aggregate_size.c (aggregate_size): Check die is not NULL. 427 4282018-06-17 Luiz Angelo Daros de Luca <luizluca@gmail.com> 429 430 * dwarf_getsrclines.c (read_srclines): Intialize filelist early. 431 4322018-06-15 Mark Wielaard <mark@klomp.org> 433 434 * dwarf_getlocation.c (check_constant_offset): Clarify DW_FORM_data16 435 isn't really a constant. 436 (dwarf_getlocation): Don't handle DW_FORM_data16 as block. 437 (dwarf_getlocation_addr): Likewise. 438 (dwarf_getlocations): Likewise. 439 4402018-06-12 Mark Wielaard <mark@klomp.org> 441 442 * memory-access.h (read_3ubyte_unaligned_inc): New define. 443 4442018-06-12 Mark Wielaard <mark@klomp.org> 445 446 * libdw.h (__libdw_dieabbrev): Set die->abbrev to DWARF_END_ABBREV 447 on failure. 448 4492018-06-10 Mark Wielaard <mark@klomp.org> 450 451 * dwarf_attr_integrate.c (dwarf_attr_integrate): Stop after 16 DIE 452 ref chains. 453 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise. 454 4552018-06-08 Mark Wielaard <mark@klomp.org> 456 457 * dwarf_getabbrev.c (dwarf_getabbrev): Check die and offset. 458 4592018-06-08 Mark Wielaard <mark@klomp.org> 460 461 * dwarf_get_units.c (dwarf_get_units): Handle existing error, no 462 dwarf. 463 4642018-06-08 Mark Wielaard <mark@klomp.org> 465 466 * dwarf_getlocation.c (store_implicit_value): Return error when 467 seeing bad DWARF or when tsearch runs out of memory. 468 (__libdw_intern_expression): Report error when store_implicit_value 469 reported an error. 470 4712018-06-08 Mark Wielaard <mark@klomp.org> 472 473 * dwarf_getsrclines.c (read_srclines): Sanity check ndirs and nfiles. 474 4752018-06-08 Mark Wielaard <mark@klomp.org> 476 477 * dwarf_getlocation_attr.c (addr_valp): Set error and return NULL 478 when there is no .debug_addr section. 479 (dwarf_getlocation_attr): If addr_valp returns NULL, then return -1. 480 4812018-06-07 Mark Wielaard <mark@klomp.org> 482 483 * libdw_findcu.c (__libdw_intern_next_unit): Report DWARF_E_VERSION, 484 not DWARF_E_INVALID_DWARF on unknown version. Set address_size and 485 offset_size to 8 when unknown. 486 4872018-06-06 Mark Wielaard <mark@klomp.org> 488 489 * libdwP.h (__libdw_dieabbrev): Check DIE addr falls in cu. 490 4912018-06-06 Mark Wielaard <mark@klomp.org> 492 493 * dwarf_getlocation_die.c (dwarf_getlocation_die): Check offset 494 falls inside cu data. 495 4962018-06-05 Mark Wielaard <mark@klomp.org> 497 498 * dwarf_getsrclines.c (read_srclines): Explicitly set diridx to -1 499 in case dwarf_formudata fails. 500 5012018-06-05 Mark Wielaard <mark@klomp.org> 502 503 * dwarf_getaranges (dwarf_getaranges): Free new_arange if 504 __libdw_findcu fails. 505 5062018-06-05 Mark Wielaard <mark@klomp.org> 507 508 * dwarf_getsrclines.c (read_srclines): Define dirarray early and 509 check whether or not it is equal to dirstack on exit/out before 510 cleanup. 511 5122018-06-05 Mark Wielaard <mark@klomp.org> 513 514 * dwarf_getalt.c (find_debug_altlink): id_path array should be 2 515 larger to contain MAX_BUILD_ID_BYTES. 516 5172018-05-31 Mark Wielaard <mark@klomp.org> 518 519 * libdw_find_split_unit.c (try_split_file): New function extracted 520 from... 521 (__libdw_find_split_unit): ... here. Try both the relative and 522 absolute paths to find a .dwo file. 523 5242018-05-30 Mark Wielaard <mark@klomp.org> 525 526 * libdw/dwarf_getsrclines.c (read_srclines): Change ndir and 527 ndirlist to size_t. Add check to see ndirlist doesn't overflow. 528 5292018-05-31 Mark Wielaard <mark@klomp.org> 530 531 * dwarf_dieoffset.c: Check die->cu != NULL. Return -1, not ~0ul 532 on failure. 533 5342018-05-29 Mark Wielaard <mark@klomp.org> 535 536 * dwarf_cuoffset.c (dwarf_cuoffset): Check die->cu is not NULL. 537 * dwarf_die_addr_die.c (dwarf_die_addr_die): Also search split 538 Dwarfs. 539 * libdwP.h (struct Dwarf): Add split_tree field. 540 (__libdw_find_split_dbg_addr): New internal function definition. 541 (__libdw_finddbg_cb): Likewise. 542 * libdw_find_split_unit.c (__libdw_find_split_unit): Insert split 543 Dwarf into skeleton dbg split_tree. 544 * libdw_findcu.c (__libdw_finddbg_cb): New function. 545 (__libdw_find_split_dbg_addr): Likewise. 546 * dwarf_end (dwarf_end): Destroy split_tree. 547 5482018-05-29 Mark Wielaard <mark@klomp.org> 549 550 * dwarf.h: Add GNU DebugFission list entry encodings 551 DW_LLE_GNU_end_of_list_entry, 552 DW_LLE_GNU_base_address_selection_entry, 553 DW_LLE_GNU_start_end_entry and DW_LLE_GNU_start_length_entry. 554 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle 555 GNU DebugFission list entries. 556 5572018-05-28 Mark Wielaard <mark@klomp.org> 558 559 * libdw_find_split_unit.c (__libdw_find_split_unit): End split_dwarf 560 only after we tried every unit id in it. 561 5622018-04-07 Mark Wielaard <mark@klomp.org> 563 564 * libdwP.h (struct Dwarf_CU): Add locs_base. 565 (__libdw_cu_locs_base): New static inline function. 566 * libdw_findcu.c (__libdw_intern_next_unit): Initialize locs_base. 567 * dwarf_begin_elf.c (valid_p): Create fake_loclists_cu if necessary. 568 * dwarf_end.c (dwarf_end): Clean up fake_loclists_cu. 569 * dwarf_getlocation.c (initial_offset): Handle .debug_loclists. 570 (getlocations_addr): Likewise. 571 (dwarf_getlocation_addr): Likewise. 572 * dwarf_getlocation_attr.c (attr_form_cu): Use fake_loclists_cu for 573 DWARF5. 574 (initial_offset): Handle DW_FORM_loclistx. 575 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle 576 .debug_loclists. 577 * libdwP.h (struct Dwarf): Add fake_loclists_cu. 578 5792018-04-12 Mark Wielaard <mark@klomp.org> 580 581 * dwarf.h: Add DWARF5 location list entry DW_LLE encodings. 582 * begin_elf.c (dwarf_scnnames): Add IDX_debug_loclists. 583 * dwarf_error.c (errmsgs): Remove DWARF_E_NO_LOCLIST. And replace 584 with DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and 585 DWARF_E_NO_LOC_VALUE. 586 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_loclists_base 587 and DW_FORM_loclistx. 588 * dwarf_getlocation.c (attr_ok): Use DWARF_E_NO_LOC_VALUE. 589 (initial_offset): Use DWARF_E_NO_DEBUG_LOC. 590 * libdwP.h: Add IDX_debug_rnglists. Remove DWARF_E_NO_LOCLIST. 591 Add DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and 592 DWARF_E_NO_LOC_VALUE. 593 5942018-05-25 Mark Wielaard <mark@klomp.org> 595 596 * libdw_find_split_unit.c (__libdw_find_split_unit): Extract linking 597 skeleton and split compile units code into... 598 * libdwP (__libdw_link_skel_split): ...this new function. 599 6002018-04-06 Mark Wielaard <mark@klomp.org> 601 602 * dwarf_formaddr.c (__libdw_addrx): New function, extracted from... 603 (dwarf_formaddr): here. Use __libdw_addrx. 604 * dwarf_getlocation.c (getlocations_addr): Pass cu to 605 __libdw_read_begin_end_pair_inc. 606 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Take cu as 607 argument. Handle .debug_rnglists. 608 (initial_offset): Handle .debug_rnglists and DW_FORM_rnglistx. 609 (dwarf_ranges): Likewise. Check cu isn't NULL before use. Pass cu to 610 __libdw_read_begin_end_pair_inc. 611 * libdwP.h (__libdw_read_begin_end_pair_inc): Take cu as argument. 612 (__libdw_cu_ranges_base): Handle DW_AT_rnglists_base. 613 (__libdw_addrx): New function definition. 614 6152018-04-11 Mark Wielaard <mark@klomp.org> 616 617 * dwarf.h: Add DWARF5 range list entry DW_RLE encodings. 618 * begin_elf.c (dwarf_scnnames): Add IDX_debug_rnglists. 619 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_RNGLISTS. 620 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_rnglists_base 621 and DW_FORM_rnglistx. 622 * dwarf_getscopes.c (pc_match): Also check for 623 DWARF_E_NO_DEBUG_RNGLISTS. 624 * libdwP.h: Add IDX_debug_rnglists. 625 6262018-05-25 Mark Wielaard <mark@klomp.org> 627 628 * dwarf_getlocation_attr.c (__libdw_cu_addr_base): Cast offset to 629 uintptr_t before returning as pointer. 630 6312018-05-22 Mark Wielaard <mark@klomp.org> 632 633 * dwarf_getlocation.c (__libdw_cu_base_address): Treat errors of 634 getting lowpc or entrypc the same as missing base address (zero). 635 * dwarf_highpc (dwarf_highpc): Handle any address form. Always set 636 error when attribute could not be found. 637 6382018-05-21 Mark Wielaard <mark@klomp.org> 639 640 * dwarf_begin_elf.c (valid_p): Add a fake_addr_cu to the result. 641 * dwarf_end.c (cu_free): Disconnect the fake_addr_cu from the split 642 dwarf if shared with skeleton. 643 (dwarf_end): release fake_addr_cu. 644 * dwarf_formaddr.c (__libdw_cu_addr_base): Move to... 645 * libdwP.h (__libdw_cu_addr_base): ... here. 646 (struct Dwarf): Add fake_addr_cu field. 647 * dwarf_formudata.c (dwarf_formudata): Handle 648 DW_FORM_GNU_addr_index and DW_FORM_addrx[1234]. 649 * dwarf_getlocation_attr.c (addr_valp): New static function. 650 (dwarf_getlocation_attr): Create attribute for values of 651 DW_OP_GNU_const_index, DW_OP_constx and DW_OP_GNU_addr_index and 652 DW_OP_addrx. 653 * libdw_find_split_unit.c (__libdw_find_split_unit): Connect 654 IDX_debug_addr sectiondata and fake_addr_cu between split and 655 skeleton. 656 6572018-05-20 Mark Wielaard <mark@klomp.org> 658 659 * dwarf_cu_info.c: New file. 660 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_info.c. 661 * libdw.h (dwarf_cu_info): New function declaration. 662 * libdw.map (ELFUTILS_0.171): Add dwarf_cu_info. 663 6642018-05-24 Mark Wielaard <mark@klomp.org> 665 666 * dwarf_ranges.c (dwarf_ranges): Check for NULL cu. 667 * libdw_findcu.c (__libdw_intern_next_unit): Initialize ranges_base. 668 6692018-05-18 Mark Wielaard <mark@klomp.org> 670 671 * dwarf_formudata.c (__libdw_formptr): Handle the special case 672 of IDX_debug_ranges for DW_UT_split_compile with version < 5. 673 * dwarf_highpc.c (dwarf_highpc): Use dwarf_lowpc, check for 674 split compile cudie. 675 * dwarf_lowpc.c (dwarf_lowpc): Check for split compile cudie. 676 * dwarf_ranges.c (dwarf_ranges): Switch cu and sectiondata for 677 split compile units. 678 * libdwP.h (struct Dwarf_CU): Add ranges_base field. 679 (__libdw_cu_ranges_base): New static inline function. 680 6812018-05-18 Mark Wielaard <mark@klomp.org> 682 683 * libdw_findcu.c (__libdw_intern_next_unit): Init files to NULL. 684 * dwarf_getsrclines.c (dwarf_getsrclines): Handle split units by 685 taking the line table from the skeleton. 686 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Handle split units by 687 only taking the files from .debug_line offset zero (if it exists), 688 otherwise fall back to the skeleton. 689 6902018-05-17 Mark Wielaard <mark@klomp.org> 691 692 * dwarf_begin_elf.c (__libdw_debugdir): New function. 693 (valid_p): Call __libdw_debugdir. 694 * dwarf_end.c (dwarf_end.c): Free debugdir. 695 * dwarf_getalt.c (__libdw_filepath): Extract __libdw_debugdir logic. 696 take debugdir as argument instead of fd. 697 (find_debug_altlink): Call __libdw_filepath with debugdir. 698 * libdwP.h (struct Dwarf): Add debugdir field. 699 (__libdw_debugdir): New function prototype. 700 (__libdw_filepath): Adjust prototype to take a const char * instead of 701 an int. 702 * libdw_find_split_unit.c (__libdw_find_split_unit): Call 703 __libdw_filepath with debugdir. 704 7052018-05-17 Mark Wielaard <mark@klomp.org> 706 707 * dwarf_attr_integrate.c (dwarf_attr_integrate): Handle split_compile 708 unit DIE, search skeleton_compile unit DIE. 709 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise. 710 * libdwP.h (is_cudie): Check cu is not NULL. 711 7122018-05-19 Mark Wielaard <mark@klomp.org> 713 714 * libdwP.h (__libdw_find_split_unit): Mark as internal_function. 715 7162018-05-15 Mark Wielaard <mark@klomp.org> 717 718 * Makefile.am (libdw_a_SOURCES): Add libdw_find_split_unit.c. 719 * dwarf_end.c (cu_free): Free split Dwarf. 720 * dwarf_get_units.c (dwarf_get_units): Handle DW_UT_skeleton by 721 calling __libdw_find_split_unit. 722 * libdwP.h (struct Dwarf_CU): Add split Dwarf_CU field. 723 (__libdw_find_split_unit): New function prototype. 724 (str_offsets_base_off): Use cu Dwarf if dbg is NULL. 725 (filepath): Rename to ... 726 (__libdw_filepath): This. Which is the actual function name in 727 dwarf_getalt.c. 728 (libdw_find_split_unit.c): New file. 729 * libdw_findcu.c (__libdw_intern_next_unit): Initialize split to -1. 730 7312018-05-15 Mark Wielaard <mark@klomp.org> 732 733 * libdwP.h (__libdw_first_die_from_cu_start): Adjust commented out 734 asserts. 735 * libdw_findcu.c (__libdw_intern_next_unit): For version 4 DWARF if 736 the cudie has a DW_AT_GNU_dwi_id set the unit_id8 and unit_type to 737 DW_UT_skeleton or DW_UT_split_compile based on whether the cudie has 738 child DIEs and a DW_AT_GNU_dwo_name attribute. 739 7402018-05-14 Mark Wielaard <mark@klomp.org> 741 742 * dwarf.h: Add GNU Debug Fission extensions. DW_AT_GNU_dwo_name, 743 DW_AT_GNU_dwo_id, DW_AT_GNU_ranges_base, DW_AT_GNU_addr_base, 744 DW_AT_GNU_pubnames, DW_AT_GNU_pubtypes. DW_FORM_GNU_addr_index, 745 DW_FORM_GNU_str_index. DW_OP_GNU_addr_index, DW_OP_GNU_const_index. 746 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_GNU_addr_index 747 as DW_FORM_addrx. 748 (__libdw_cu_addr_base): Check for both DW_AT_GNU_addr_base and 749 DW_AT_addr_base. 750 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_str_index 751 as DW_FORM_strx. 752 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_addr_base 753 as addrptr. Recognize DW_AT_GNU_ranges_base as rangelistptr. 754 * dwarf_getlocation.c (__libdw_intern_expression): Handle 755 DW_OP_GNU_addr_index as DW_OP_addrx and DW_OP_GNU_const_index as 756 DW_OP_constx. 757 * libdw_form.c (__libdw_form_val_compute_len): Handle 758 DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index taking an uleb128. 759 7602018-05-12 Mark Wielaard <mark@klomp.org> 761 762 * dwarf_begin_elf.c (check_section): Also recognize .dwo section 763 name variants. 764 7652018-05-11 Mark Wielaard <mark@klomp.org> 766 767 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_macros as macptr. 768 * dwarf_getmacros.c (get_table_for_offset): Add DW_MACRO_define_sup, 769 DW_MACRO_undef_sup, DW_MACRO_import_sup, DW_MACRO_define_strx and 770 DW_MACRO_undef_strx. Add str_offsets_base_off to fake CU. Deal with 771 DW_AT_macros. Use libdw_valid_user_form. 772 7732018-05-09 Mark Wielaard <mark@klomp.org> 774 775 * dwarf_formstring.c (__libdw_cu_str_off_base): Moved to... 776 * libdwP.h (__libdw_cu_str_off_base): ...here. Make static inline. 777 (str_offsets_base_off): New internal function that also parses 778 .debug_str_offsets header if necessary. 779 7802018-05-11 Mark Wielaard <mark@klomp.org> 781 782 * dwarf_siblingof.c (dwarf_siblingof): Don't reference cu till it is 783 known the Dwarf_Die is came from is valid. 784 * libdwP.h (__libdw_dieabbrev): Check cu is not NULL. 785 7862018-05-08 Mark Wielaard <mark@klomp.org> 787 788 * dwarf_formref.c (__libdw_formref): Explicitly don't handle 789 DW_FORM_ref_sup4 and DW_FORM_ref_sup8. 790 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_ref_sup4 791 and DW_FORM_ref_sup8. 792 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strp_sup 793 as DW_FORM_GNU_strp_alt. 794 7952018-05-05 Mark Wielaard <mark@klomp.org> 796 797 * dwarf.h: Add DWARF line content descriptions. 798 * libdwP.h (libdw_valid_user_form): New static function. 799 * dwarf_getsrclines.c (read_srclines): Check and parse version 5 800 DWARF header, dir and file tables separately from older versions 801 where different. 802 8032018-04-24 Mark Wielaard <mark@klomp.org> 804 805 * dwarf_begin_elf.c (dwarf_scnnames): Add ".debug_line_str". 806 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_STR and 807 DWARF_E_NO_DEBUG_LINE_STR. 808 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_line_strp. 809 Get data from either .debug_str or .debug_line_str. 810 * libdwP.h: Add IDX_debug_line_str, DWARF_E_NO_DEBUG_STR and 811 DWARF_E_NO_DEBUG_LINE_STR. 812 8132018-04-03 Mark Wielaard <mark@klomp.org> 814 815 * dwarf_formudata.c (__libdw_formptr): Take and return const 816 unsigned char pointers. 817 * dwarf_getlocation.c (attr_base_address): Rename to... 818 (__libdw_cu_base_address): this. Take Dwarf_CU, check and set 819 base_address. 820 (initial_offset_base): Renamed to... 821 (initial_offset): this. Only provide offset. 822 (getlocations_addr): Move data size check and 823 address base addition into __libdw_read_begin_end_pair_inc. Use 824 __libdw_cu_base_address and initial_offset. Drop Elf_Data NULL 825 check (already done by initial_offset, through __libdw_formptr). 826 (dwarf_getlocations): Use __libdw_cu_base_address and initial_offset. 827 Drop Elf_Data NULL check. 828 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Change argument 829 type of readp to Add readend argument. Check data size. Include base 830 in begin and end result. 831 (initial_offset): New static function. 832 (dwarf_ranges): Don't check Elf_Data being NULL (already done by 833 initial_offset, through __libdw_formptr). Use __libdw_cu_base_address 834 and initial_offset. Remove base check and addition (already done by 835 __libdw_read_begin_end_pair_inc. 836 * libdwP.h (Dwarf_CU): Add base_address field. 837 (__libdw_read_begin_end_pair_inc): Change argument type of readp to 838 const. Add readend argument. 839 (__libdw_formptr): Take and return const unsigned char pointers. 840 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU 841 base_address. 842 8432018-04-04 Mark Wielaard <mark@klomp.org> 844 845 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU 846 addr_base and str_off_base. 847 8482018-03-23 Mark Wielaard <mark@klomp.org> 849 850 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_str_offsets, 851 increase size. 852 * dwarf_error.c (errmsgs): Add DWARF_E_NO_STR_OFFSETS. 853 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strx[1234]. 854 (__libdw_cu_str_off_base): New function. 855 * dwarf_formudata.c (dwarf_formudata): Handle IDX_debug_str_offsets 856 as stroffsetsptr. 857 * libdwP.h: Add IDX_debug_str_offsets and DWARF_E_NO_STR_OFFSETS. 858 (struct Dwarf_CU): Add str_off_base field. 859 (__libdw_cu_str_off_base): New function declaration. 860 8612018-03-22 Mark Wielaard <mark@klomp.org> 862 863 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_addr. 864 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_ADDR. 865 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_addrx[1234]. 866 (__libdw_cu_addr_base): New function. 867 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_addr_base as 868 addrptr. 869 * libdwP.h: Add IDX_debug_addr and DWARF_E_NO_DEBUG_ADDR. 870 (struct Dwarf_CU): Add addr_base field. 871 (__libdw_cu_addr_base): New function definition. 872 * memory-access.h (file_byte_order): New static function. 873 (read_3ubyte_unaligned): New inline function. 874 8752018-03-29 Mark Wielaard <mark@klomp.org> 876 877 * libdw.h (dwarf_decl_file): Extend documentation. 878 (dwarf_linesrc): Likewise. 879 (dwarf_filesrc): Likewise. 880 8812018-03-06 Mark Wielaard <mark@klomp.org> 882 883 * dwarf.h: Add DW_OP_implicit_pointer, DW_OP_addrx, DW_OP_constx, 884 DW_OP_entry_value, DW_OP_const_type, DW_OP_regval_type, 885 DW_OP_deref_type, DW_OP_xderef_type, DW_OP_convert and 886 DW_OP_reinterpret. 887 * dwarf_getlocation.c (__libdw_intern_expression): Handle 888 DW_OP_convert, DW_OP_reinterpret, DW_OP_addrx, DW_OP_constx, 889 DW_OP_regval_type, DW_OP_entry_value, DW_OP_implicit_pointer, 890 DW_OP_deref_type, DW_OP_xderef_type and DW_OP_const_type. 891 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Handle 892 DW_OP_entry_value, DW_OP_const_type and DW_OP_implicit_pointer. 893 * dwarf_getlocation_die.c (dwarf_getlocation_die): Handle 894 DW_OP_implicit_pointer, DW_OP_convert, DW_OP_reinterpret, 895 DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type and 896 DW_OP_xderef_type. 897 * dwarf_getlocation_implicit_pointer.c 898 (dwarf_getlocation_implicit_pointer): Handle DW_OP_implicit_pointer. 899 9002018-03-01 Mark Wielaard <mark@klomp.org> 901 902 * dwarf.h: Add DW_AT_GNU_locviews and DW_AT_GNU_entry_view. 903 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_GNU_locviews 904 as a loclistptr. 905 9062018-02-09 Mark Wielaard <mark@klomp.org> 907 908 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_data16 as a 909 16 byte block. 910 9112018-02-09 Mark Wielaard <mark@klomp.org> 912 913 * dwarf_child.c (__libdw_find_attr): Handle DW_FORM_implicit_const. 914 * dwarf_formsdata.c (dwarf_formsdata): Likewise. 915 * dwarf_formudata.c (dwarf_formudata): Likewise. 916 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise. 917 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 918 * dwarf_hasattr.c (dwarf_hasattr): Likewise. 919 * dwarf_getabbrevattr.c (dwarf_getabbrevattr_data): New function 920 that will also return any data associated with the abbrev. Which 921 currently is only for DW_FORM_implicit_const. Based on... 922 (dwarf_getabbrevattr): ... this function. Which now just calls 923 dwarf_getabbrevattr_data. 924 * libdw.h (dwarf_getabbrevattr_data): Declare new function. 925 * libdw.map (ELFUTILS_0.170): Add dwarf_getabbrevattr_data. 926 * libdwP.h (dwarf_getabbrevattr_data): INTDECL. 927 * memory-access.h (__libdw_get_sleb128_unchecked): New inlined 928 function based on __libdw_get_uleb128_unchecked. 929 9302018-02-08 Mark Wielaard <mark@klomp.org> 931 932 * dwarf.h: Add DWARF5 DW_FORMs. 933 * libdwP.h (__libdw_form_val_compute_len): Handle fix length 934 DW_FORM_implicit_const, DW_FORM_addrx[1234], DW_FORM_strx[1234], 935 DW_FORM_ref_sup[48] and DW_FORM_data16. 936 * libdw_form.c (__libdw_form_val_compute_len): DW_FORM_strp_sup 937 and DW_FORM_line_strp are offset_size. DW_FORM_addrx, DW_FORM_strx, 938 DW_FORM_loclistx and DW_FORM_rnglistx are uleb128. 939 9402018-01-30 Mark Wielaard <mark@klomp.org> 941 942 * Makefile.am (libdw_a_SOURCES): Add dwarf_get_units.c. 943 * dwarf_get_units.c: New file. 944 * libdw.h (dwarf_get_units): New function declaration. 945 * libdw.map (ELFUTILS_0.170): Add dwarf_get_units. 946 9472018-01-29 Mark Wielaard <mark@klomp.org> 948 949 * dwarf.h (DW_UT_*): Add DWARF Unit Header Types. 950 * dwarf_cu_die.c (dwarf_cu_die): Rename arguments. type_signaturep 951 is now called unit_idp. type_offsetp is now called subdie_offsetp. 952 * dwarf_formref_die.c (dwarf_formref_die): Scan both .debug_info 953 and .debug_types sections for type units when type signature ref 954 not found. 955 * dwarf_getaranges.c (dwarf_getaranges): Use __libdw_findcu and 956 __libdw_first_die_off_from_cu instead of trying by hand. 957 * dwarf_getlocation_die.c (dwarf_getlocation_die): Use ISV4TU 958 instead of checking type_offset by hand. 959 * dwarf_getlocation_implicit_pointer.c 960 (dwarf_getlocation_implicit_pointer): Likewise. 961 * dwarf_nextcu.c (dwarf_next_unit): Call __libdw_next_unit. 962 (__libdw_next_unit): New function based on dwarf_next_unit with 963 DWARF5 header support. 964 * libdwP.h (struct Dwarf_CU): Renamed type_offset to subdie_offset 965 and type_sig8 to unit_id8. 966 (ISV4TU): New macro to determine whether a CU is a version 4 type 967 unit (which comes from the .debug_types section). 968 (DIE_OFFSET_FROM_CU_OFFSET): Replaced macro by real function... 969 (__libdw_first_die_from_cu_start): ... that also handles DWARF5 970 unit headers. 971 (__libdw_first_die_off_from_cu): New function that calls the above 972 using the CU fields. 973 (CUDIE): Use __libdw_first_die_off_from_cu. 974 (SUBDIE): New macro that provides the DIE for a CU using the 975 subdie_offset. 976 (__libdw_next_unit): New internal function declaration. 977 * libdw_findcu.c (__libdw_intern_next_unit): Use __libdw_next_unit. 978 Accept DWARF version 5 headers. Setup unit_type. 979 (__libdw_findcu): Rename debug_types argument to v4_debug_types 980 argument (to indicate that we are looking in the .debug_types 981 section). Support finding the exact offset (unit header start). 982 9832018-01-25 Mark Wielaard <mark@klomp.org> 984 985 * Makefile.am (libdw_a_SOURCES): Add dwarf_die_addr_die.c. 986 * dwarf_die_addr_die.c: New file. 987 * libdw.h (dwarf_die_addr_die): New function declaration. 988 * libdw.map (ELFUTILS_0.171): New section with dwarf_die_addr_die. 989 * libdwP.h (__libdw_findcu_addr): New internal function declaration. 990 * libdw_findcu.c (__libdw_findcu_addr): New internal function. 991 9922018-02-09 Joshua Watt <JPEWhacker@gmail.com> 993 994 * cfi.c (execute_cfi): Use FALLTHROUGH macro instead of comment. 995 * dwarf_frame_register.c (dwarf_frame_register): Likewise. 996 9972018-01-22 Mark Wielaard <mark@klomp.org> 998 999 * Makefile.am (AM_CPPFLAGS): Add -I libdwelf. 1000 * dwarf_begin_elf.c (dwarf_begin_elf): Initialize Dwarf alt_fd to -1. 1001 * dwarf_end.c (dwarf_end): Call dwarf_end and close on the alt_dwarf 1002 and alt_fd if we allocated them. 1003 * dwarf_fromref_die.c (dwarf_formref_die): Call dwarf_getalt. 1004 * dwarf_formstring.c (dwarf_formstring): Likewise. 1005 * dwarf_getalt.c (__libdw_filepath): New internal function. 1006 (find_debug_altlink): New static function. 1007 (dwarf_getalt): Check Dwarf alt_dwarf and call find_debug_altlink. 1008 Cache result. 1009 * dwarf_setalt.c (dwarf_setalt): Clean up Dwarf alt_dwarf and alt_fd 1010 if we allocated. 1011 * libdw.h (dwarf_getalt): Extend documentation. 1012 (dwarf_setalt): Likewise. 1013 * libdwP.h (struct Dwarf): Add alt_fd field. 1014 (filepath): Declare new internal function. 1015 10162018-01-14 Petr Machata <pmachata@gmail.com> 1017 1018 * dwarf_formsdata.c (dwarf_formsdata): 1019 <DW_FORM_data1>: Cast to signed char. 1020 <DW_FORM_data2,4,8>: Use read_*sbyte_unaligned instead of 1021 read_*ubyte_unaligned. 1022 10232017-12-26 Mark Wielaard <mark@klomp.org> 1024 1025 * libdwP.h (struct Dwarf_Abbrev): Pack struct. Remove attrcnt, 1026 use bitfields for has_children and code. 1027 * dwarf_getabbrev.c (__libdw_getabbrev): Don't count attrs. 1028 * dwarf_getattrcnt.c (dwarf_getattrcnt): Count attrs. 1029 10302017-12-26 Mark Wielaard <mark@klomp.org> 1031 1032 * memory-access.h (__libdw_get_uleb128_unchecked): New function. 1033 (get_uleb128_unchecked): New define. 1034 * dwarf_child.c (__libdw_find_attr): Use get_uleb128_unchecked to 1035 read attr name and form. 1036 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise. 1037 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1038 * dwarf_hasattr.c (dwarf_hasattr): Likewise. 1039 10402017-12-28 Mark Wielaard <mark@klomp.org> 1041 1042 * dwarf_offdie.c (__libdw_offdie): Check sectiondata exists. 1043 10442017-05-09 Ulf Hermann <ulf.hermann@qt.io> 1045 Mark Wielaard <mark@klomp.org> 1046 1047 * libdwP.h (__libdw_in_section): Fix check for the upper border of 1048 the range. 1049 (__libdw_offset_in_section): Likewise. 1050 10512017-12-20 Mark Wielaard <mark@klomp.org> 1052 1053 * libdwP.h (struct Dwarf_CU): Add sec_idx field. 1054 (cu_sec_idx): Return cu->sec_idx. 1055 * libdw_findcu.c (__libdw_intern_next_unit): Set cu sec_idx to 1056 IDX_debug_info or IDX_debug_types. 1057 * dwarf_begin_elf.c (valid_p): Set fake_loc_cu->sec_idx to 1058 IDX_debug_loc. 1059 * dwarf_getmacros.c (read_macros): Set fake_cu->sec_idx to 1060 IDX_debug_macro or IDX_debug_macinfo. 1061 10622017-12-12 Mark Wielaard <mark@klomp.org> 1063 1064 * dwarf_aggregate_size.c (dwarf_aggregate_size): Don't peel the 1065 given DIE. Reserve memory for a new DIE first. 1066 10672017-12-11 Dima Kogan <dima@secretsauce.net> 1068 1069 * dwarf_aggregate_size.c (array_size): Handle multi-dimensional 1070 arrays properly. 1071 10722017-11-03 Mark Wielaard <mark@klomp.org> 1073 1074 * dwarf_getlocation.c (__libdw_intern_expression): Handle 1075 DW_OP_GNU_variable_value. 1076 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Likewise. 1077 * dwarf_getlocation_die.c (dwarf_getlocation_die): Likewise. 1078 10792017-11-03 Mark Wielaard <mark@klomp.org> 1080 1081 * dwarf_getlocation.c (attr_ok): Always accept DW_FORM_exprloc. 1082 Update list of acceptable attribute codes based on DWARF5. 1083 10842017-11-03 Mark Wielaard <mark@klomp.org> 1085 1086 * dwarf.h: Add DW_OP_GNU_variable_value. 1087 10882017-10-03 Mark Wielaard <mark@klomp.org> 1089 1090 * libdw.h: Define LIBDW_CIE_ID and use it in dwarf_cfi_cie_p. 1091 10922017-08-18 Ulf Hermann <ulf.hermann@qt.io> 1093 1094 * memory-access.h: Use attribute_packed. 1095 10962017-02-27 Ulf Hermann <ulf.hermann@qt.io> 1097 1098 * libdwP.h: Use attribute_hidden. 1099 * libdw_alloc.c: Likewise. 1100 11012017-02-27 Ulf Hermann <ulf.hermann@qt.io> 1102 1103 * Makefile.am: Use fpic_CFLAGS and dso_LDFLAGS. 1104 11052017-07-26 Mark Wielaard <mark@klomp.org> 1106 1107 * dwarf.h: Add DW_MACRO_* and compat defines for DW_MACRO_GNU_*. 1108 * dwarf_getmacros.c (get_table_for_offset): Accept either version 1109 4 or 5. Use DW_MACRO names instead of DW_MACRO_GNU names. 1110 (read_macros): Use table version for fake_cu. 1111 11122017-07-26 Mark Wielaard <mark@klomp.org> 1113 1114 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_immutable_type, 1115 DW_TAG_packed_type and DW_TAG_shared_type. 1116 * libdw.h (dwarf_peel_type): Extend documentation. 1117 11182017-07-26 Mark Wielaard <mark@klomp.org> 1119 1120 * dwarf.h: Add DW_DEFAULTED_no, DW_DEFAULTED_in_class and 1121 DW_DEFAULTED_out_of_class. 1122 11232017-07-26 Mark Wielaard <mark@klomp.org> 1124 1125 * dwarf.h: Add DW_CC_pass_by_reference and DW_CC_pass_by_reference. 1126 11272017-07-26 Mark Wielaard <mark@klomp.org> 1128 1129 * dwarf_default_lower_bound.c: New file. 1130 * Makefile.am (libdw_a_SOURCES): Add dwarf_default_lower_bound.c. 1131 * dwarf_aggregate_size.c (array_size): Use dwarf_default_lower_bound. 1132 * dwarf_error.c (errmsgs): Add DWARF_E_UNKNOWN_LANGUAGE. 1133 * libdw.h: Add dwarf_default_lower_bound. 1134 * libdw.map (ELFUTILS_0.170): Add dwarf_default_lower_bound. 1135 * libdwP.h: Add DWARF_E_UNKNOWN_LANGUAGE and 1136 dwarf_default_lower_bound INTDECL. 1137 11382017-07-26 Mark Wielaard <mark@klomp.org> 1139 1140 * dwarf.h: Add DW_LANG_OpenCL, DW_LANG_Modula3, 1141 DW_LANG_C_plus_plus_03, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift, 1142 DW_LANG_Julia, DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_BLISS. 1143 * dwarf_aggregate_size.c (array_size): Add lower bound for 1144 DW_LANG_C_plus_plus_03, DW_LANG_Python, DW_LANG_OpenCL, 1145 DW_LANG_Haskell, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift, 1146 DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_Modula3, 1147 DW_LANG_Julia and DW_LANG_BLISS. 1148 11492017-07-26 Mark Wielaard <mark@klomp.org> 1150 1151 * dwarf.h: Add DW_ATE_UCS and DW_ATE_ASCII. 1152 11532017-07-25 Mark Wielaard <mark@klomp.org> 1154 1155 * dwarf.h: Add DW_TAG_coarray_type, DW_TAG_generic_subrange, 1156 DW_TAG_dynamic_type, DW_TAG_call_site, DW_TAG_call_site_parameter, 1157 DW_TAG_skeleton_unit, DW_TAG_immutable_type. Add reserved comments 1158 for currently unused numbers. 1159 11602017-07-25 Mark Wielaard <mark@klomp.org> 1161 1162 * dwarf.h (DWARF attributes enum): Remove DW_AT_subscr_data, 1163 DW_AT_element_list and DW_AT_member. Add DWARF5 attribute constants. 1164 (DW_AT_subscr_data, DW_AT_element_list, DW_AT_member): New defines. 1165 11662017-07-21 Mark Wielaard <mark@klomp.org> 1167 1168 * dwarf_line_file.c: New file. 1169 * Makefile.am (libdw_a_SOURCES): Add dwarf_line_file.c. 1170 * libdw.h (dwarf_line_file): New function declaration. 1171 * libdw.map (ELFUTILS_0.170): New. Add dwarf_line_file. 1172 11732017-02-17 Ulf Hermann <ulf.hermann@qt.io> 1174 1175 * Makefile.am: Add libdw_so_LIBS to specify the archives libdw is is 1176 made of, libdw_so_DEPS for libraries it depends on (including 1177 libeu.a), libdw_so_LDLIBS to specify libraries libdw links against. 1178 (libdw.so$(EXEEXT)): Add $(libdw_so_LDLIBS), remove enumeration of 1179 library dependencies, use libdw_so_LIBS rather than relying on the 1180 order of dependencies specified, add -z,relro. 1181 11822017-04-20 Ulf Hermann <ulf.hermann@qt.io> 1183 1184 * libdw.h: Remove attribute macro declarations and use 1185 __noreturn_attribute__ as defined in libelf.h. 1186 11872017-04-20 Ulf Hermann <ulf.hermann@qt.io> 1188 1189 * dwarf_begin_elf.c: Include endian.h. 1190 11912017-03-30 Mark Wielaard <mjw@redhat.com> 1192 1193 * dwarf_peel_type.c (dwarf_peel_type): Call dwarf_attr_integrate on 1194 result. 1195 11962016-10-22 Mark Wielaard <mjw@redhat.com> 1197 1198 * dwarf.h: Correct spelling of DW_LANG_PLI. Add compatibility define. 1199 * dwarf_aggregate_size.c (array_size): Use correct spelling of 1200 DW_LANG_PLI. 1201 12022016-11-02 Mark Wielaard <mjw@redhat.com> 1203 1204 * cfi.c (execute_cfi): Add fallthrough comments. 1205 * encoded-value.h (encoded_value_size): Add explicit return instead 1206 of relying on fallthrough. 1207 * dwfl_report_elf.c (__libdwfl_elf_address_range): Add fallthrough 1208 comment. 1209 12102016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> 1211 1212 * dwarf_getpubnames.c: Remove sys/param.h include, add system.h. 1213 * libdw_alloc.c: Likewise. 1214 12152016-07-08 Mark Wielaard <mjw@redhat.com> 1216 1217 * libdw.map (ELFUTILS_0.167): New. Add dwelf_strtab_init, 1218 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize, 1219 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free. 1220 12212016-02-13 Mark Wielaard <mjw@redhat.com> 1222 1223 * dwarf_getsrclines.c (read_srclines): Calculate ndirs first, then 1224 assign to ndirlist. 1225 12262015-12-18 Mark Wielaard <mjw@redhat.com> 1227 1228 * libdwP.h (struct Dwarf): Remove sectiondata_gzip_mask. 1229 (__libdw_free_zdata): Remove. 1230 * dwarf_begin_elf.c (inflate_section): Remove. 1231 (check_section): Remove __libdw_free_zdata calls. Use elf_compress 1232 and elf_compress_gnu to decompress if necessary. 1233 (valid_p): Remove __libdw_free_zdata calls. 1234 (scngrp_read): Use elf_compress if section is compressed. Remove 1235 __libdw_free_zdata calls. 1236 * dwarf_end.c (__libdw_free_zdata): Remove. 1237 (dwarf_end): Don't call __libdw_free_zdata. 1238 12392015-10-28 Mark Wielaard <mjw@redhat.com> 1240 1241 * libdw.map (ELFUTILS_0.165): New. Add dwelf_scn_gnu_compressed_size. 1242 12432015-12-02 Mark Wielaard <mjw@redhat.com> 1244 1245 * fde.c (intern_fde): Don't leak duplicate FDEs. 1246 12472015-12-01 Mark Wielaard <mjw@redhat.com> 1248 1249 * fde.c (intern_fde): Don't intern an fde that doesn't cover a 1250 valid code range. 1251 12522015-12-01 Mark Wielaard <mjw@redhat.com> 1253 1254 * dwarf_end.c (dwarf_end): Call cu_free on fake_loc_cu if it exists. 1255 12562015-10-14 Chih-Hung Hsieh <chh@google.com> 1257 1258 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Move recursive 1259 functions 'add_bkpt', 'entrypc_bkpt', and 'search_range' to file scope. 1260 12612015-10-14 Chih-Hung Hsieh <chh@google.com> 1262 1263 * libdw_visit_scopes.c (__libdw_visit_scopes): Move recursive nested 1264 function 'walk_children' to file scope; inline 'recurse' at its call 1265 site. 1266 12672015-10-19 Mark Wielaard <mjw@redhat.com> 1268 1269 * frame-cache.c (__libdw_destroy_frame_cache): Call ebl_closebackend 1270 if necessary. 1271 12722015-10-16 Dmitry V. Levin <ldv@altlinux.org> 1273 1274 * dwarf_getsrclines.c (read_srclines): Initialize state early. 1275 12762015-10-13 Chih-Hung Hsieh <chh@google.com> 1277 1278 * dwarf_getsrclines.c (read_srclines): Move nested functions 1279 'advance_pc' and 'add_new_line' to file scope and keep many 1280 local state variables within one structure. 1281 12822015-10-13 Chih-Hung Hsieh <chh@google.com> 1283 1284 * dwarf_getscopevar.c (dwarf_getscopevar): Move nested 1285 function 'file_matches' to file scope. 1286 12872015-10-16 Mark Wielaard <mjw@redhat.com> 1288 1289 * Makefile.am (libdw.so): Add -lz. 1290 12912015-10-14 Chih-Hung Hsieh <chh@google.com> 1292 1293 * cfi.c (execute_cfi): Move nested functions 'enough_registers' 1294 and 'require_cfa_offset' to file scope. 1295 12962015-10-09 Josh Stone <jistone@redhat.com> 1297 1298 * dwarf_begin.c (dwarf_begin): Replace stat64 and fstat64 with stat 1299 and fstat. 1300 13012015-10-05 Josh Stone <jistone@redhat.com> 1302 1303 * Makefile.am (libdw.so): Add AM_V_CCLD and AM_V_at silencers. 1304 13052015-09-24 Jose E. Marchesi <jose.marchesi@oracle.com> 1306 1307 * Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid 1308 relocation overflows in some platforms. 1309 13102015-09-23 Mark Wielaard <mjw@redhat.com> 1311 1312 * dwarf_error.c (__libdw_seterrno): Mark as internal_function. 1313 * dwarf_formref.c (__libdw_formref): Likewise. 1314 * libdw_findcu.c (__libdw_findcu): Likewise. 1315 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. 1316 13172015-09-22 Mark Wielaard <mjw@redhat.com> 1318 1319 * *.c: Remove old-style function definitions. 1320 13212015-09-15 Mark Wielaard <mjw@redhat.com> 1322 1323 * dwarf_peel_type.c (dwarf_peel_type): Don't reassign result pointer. 1324 13252015-09-09 Chih-Hung Hsieh <chh@google.com> 1326 1327 * dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Remove 1328 redundant NULL tests on parameters declared with __nonnull_attribute__. 1329 * dwarf_siblingof.c (dwarf_siblingof): Likewise. 1330 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. 1331 13322015-09-04 Chih-Hung Hsieh <chh@google.com> 1333 Mark Wielaard <mjw@redhat.com> 1334 1335 * dwarf_getlocation.c (getlocations_addr): Replace K&R function 1336 definition with ansi-C definition and add const qualifier to 1337 locs argument. 1338 13392015-09-04 Chih-Hung Hsieh <chh@google.com> 1340 1341 * libdw_findcu.c (__libdw_intern_next_unit): Replace K&R function 1342 definition with ansi-C definitions. 1343 (__libdw_findcu): Likewise. 1344 13452015-08-25 Mark Wielaard <mjw@redhat.com> 1346 1347 * dwarf.h: Add DW_LANG_Haskell. 1348 13492015-06-18 Mark Wielaard <mjw@redhat.com> 1350 1351 * dwarf_begin_elf.c (dwarf_begin_elf): Assert page size is big enough 1352 to hold a Dwarf. 1353 13542015-06-18 Mark Wielaard <mjw@redhat.com> 1355 1356 * dwarf_getpubnames.c (get_offsets): Always free mem on error. 1357 13582015-06-18 Mark Wielaard <mjw@redhat.com> 1359 1360 * dwarf_getmacros.c (get_macinfo_table): Return NULL when 1361 dwarf_formudata reports an error. 1362 (get_table_for_offset): Likewise. 1363 13642015-06-08 Mark Wielaard <mjw@redhat.com> 1365 1366 * dwarf_getsrclines.c (read_srclines): Initialize dirarray early. 1367 13682015-06-06 Mark Wielaard <mjw@redhat.com> 1369 1370 * dwarf_getsrclines.c (read_srclines): Initialize filelist early. 1371 13722015-05-27 Mark Wielaard <mjw@redhat.com> 1373 1374 * encoded-value.h (read_encoded_value): Check data d_size contains 1375 at least enough data to hold a pointer for DW_EH_PE_indirect. 1376 13772015-05-22 Mark Wielaard <mjw@redhat.com> 1378 1379 * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines 1380 with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with 1381 MAX_STACK_DIRS. Calculate number of dirs needed first, then 1382 create dirarray directly, without needing the next field. Free 1383 not stack allocated lines and files at the end. 1384 13852015-05-19 Mark Wielaard <mjw@redhat.com> 1386 1387 * dwarf_getlocation.c (__libdw_intern_expression): Create a stack 1388 allocated array to hold locs. Allocate locs bigger than the array 1389 with malloc and free them when done. 1390 13912015-05-11 Jonathan Lebon <jlebon@redhat.com> 1392 1393 * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator. 1394 * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message. 1395 * dwarf_begin_elf.c (inflate_section): New static function, lifted 1396 from... 1397 (check_section): ... here. Call inflate_section, set libdw errno to 1398 DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated. 1399 14002015-05-11 Jonathan Lebon <jlebon@redhat.com> 1401 1402 * dwarf_begin_elf.c (check_section): Add compressed flag. Always 1403 check for .zdebug sections. Only wrap decompression in #if USE_ZLIB. 1404 14052015-05-06 Mark Wielaard <mjw@redhat.com> 1406 1407 * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and 1408 check the line number. 1409 14102015-05-05 Mark Wielaard <mjw@redhat.com> 1411 1412 * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data 1413 left before reading values. 1414 14152015-05-04 Anthony G. Basile <blueness@gentoo.org> 1416 1417 * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link 1418 command. 1419 14202015-04-22 Mark Wielaard <mjw@redhat.com> 1421 1422 * memory-access.h (__libdw_max_len_leb128): Take type_len as argument. 1423 (__libdw_max_len_uleb128): New function. 1424 (__libdw_max_len_sleb128): Likewise. 1425 (__libdw_get_uleb128): Use __libdw_max_len_uleb128. 1426 (__libdw_get_sleb128): Use __libdw_max_len_sleb128. 1427 14282015-04-21 Mark Wielaard <mjw@redhat.com> 1429 1430 * dwarf_getmacros.c (read_macros): Allocate attributes dynamically 1431 when there are more than 8. 1432 14332015-04-01 Petr Machata <pmachata@redhat.com> 1434 1435 * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator. 1436 (is_cudie): New function. 1437 * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE. 1438 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead 1439 of white-listing valid tags. 1440 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 1441 14422015-03-18 Petr Machata <pmachata@redhat.com> 1443 1444 * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h. 1445 (EXTRA_DIST): Remove known-dwarf.h. 1446 14472015-02-09 Mark Wielaard <mjw@redhat.com> 1448 1449 * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08. 1450 * dwarf_aggregate_size.c (array_size): Recognize array lower bound 1451 for new Fortran language codes is 1. 1452 14532015-02-09 Mark Wielaard <mjw@redhat.com> 1454 1455 * dwarf.h: Add DW_TAG_atomic_type. 1456 * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type. 1457 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type. 1458 14592015-02-11 Josh Stone <jistone@redhat.com> 1460 1461 * encoded-value.h (read_encoded_value): Initialize value. 1462 14632015-02-11 Petr Machata <pmachata@redhat.com> 1464 1465 * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither 1466 DW_AT_entry_pc nor DW_AT_low_pc are available. Instead remember 1467 the fact in *BASEP and bail out later if it hasn't been updated by 1468 __libdw_read_begin_end_pair_inc. 1469 14702014-12-24 Mark Wielaard <mjw@redhat.com> 1471 1472 * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record 1473 smaller than or equal to addr, rather than returning immediately on 1474 a match. 1475 14762015-01-07 Mark Wielaard <mjw@redhat.com> 1477 1478 * cfi.h (struct Dwarf_CFI_s): Add search_table_len. 1479 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough 1480 room in the search table for all entries. Store search_table_len. 1481 (getcfi_scn_eh_frame): Likewise. 1482 * encoded-value.h (encoded_value_size): Don't abort, return zero. 1483 (__libdw_cfi_read_address_inc): Check there is enough room to read 1484 values. Pass other byte order to read functions. 1485 (read_encoded_value): Check encoded_value_size. Don't abort, but 1486 set libdw errno and report failure. Check there is enough room to 1487 read values. 1488 * fde.c (binary_search_fde): Check encoded value size. Add hdr 1489 data buf and size to dummy_cfi. 1490 14912015-01-04 Mark Wielaard <mjw@redhat.com> 1492 1493 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute 1494 is after current DIE. 1495 14962015-01-04 Mark Wielaard <mjw@redhat.com> 1497 1498 * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof 1499 (dwarf_frame_register). 1500 15012015-01-02 Mark Wielaard <mjw@redhat.com> 1502 1503 * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check. 1504 (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL. 1505 (getcfi_scn_eh_frame): Check d_buf is not NULL. 1506 15072015-01-02 Mark Wielaard <mjw@redhat.com> 1508 1509 * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not 1510 NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For 1511 DW_OP_addr if dbg is NULL then read argument directly. 1512 15132015-01-14 Jason P. Leasure <jpleasu@super.org> 1514 1515 * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset 1516 plus cu->start. 1517 15182014-12-27 Mark Wielaard <mjw@redhat.com> 1519 1520 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset 1521 still falls inside CU data. 1522 15232015-01-11 Mark Wielaard <mjw@redhat.com> 1524 1525 * dwarf_func_inline.c (dwarf_func_inline_instances): Call 1526 __libdw_visit_scopes with NULL imports. 1527 * dwarf_getfuncs.c (dwarf_getfuncs): Likewise. 1528 * dwarf_getscopes.c (pc_record): Likewise. 1529 (dwarf_getscopes): Likewise. 1530 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise. 1531 * libdwP.h (__libdw_visit_scopes): Add imports argument. 1532 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new 1533 function imports_contains. Push and pop imports around walk_children 1534 when processing DW_TAG_imported_unit. 1535 15362014-12-18 Ulrich Drepper <drepper@gmail.com> 1537 1538 * Makefile.am: Suppress output of textrel_check command. 1539 15402014-12-16 Mark Wielaard <mjw@redhat.com> 1541 1542 * dwarf_getsrclines.c (read_srclines): Check diridx is valid under 1543 DW_LNE_define_file. 1544 15452014-12-16 Mark Wielaard <mjw@redhat.com> 1546 1547 * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough 1548 space to read die offset. 1549 15502014-12-16 Mark Wielaard <mjw@redhat.com> 1551 1552 * dwarf_getsrclines.c (read_srclines): Correct overflow check for 1553 unit_length. 1554 15552014-12-15 Mark Wielaard <mjw@redhat.com> 1556 1557 * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside 1558 section data. Set error to DWARF_E_NO_ENTRY if cnt is zero. 1559 (dwarf_getpubnames): Make sure section data contains string zero 1560 terminator. 1561 15622014-12-16 Mark Wielaard <mjw@redhat.com> 1563 1564 * memory-access.h (__libdw_get_sleb128): Unroll the first step to help 1565 the compiler optimize for the common single-byte case. 1566 15672014-12-15 Josh Stone <jistone@redhat.com> 1568 1569 * memory-access.h (__libdw_max_len_leb128): New. 1570 (__libdw_get_uleb128): Use __libdw_max_len_leb128. 1571 (__libdw_get_sleb128): Likewise. 1572 15732014-12-14 Mark Wielaard <mjw@redhat.com> 1574 1575 * cfi.c (execute_cfi): Add program bounds checks. 1576 * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks. 1577 * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp. 1578 * dwarf_formref.c (__libdw_formref): Add datap bounds checks. 1579 * dwarf_formsdata.c (dwarf_formsdata): Likewise. 1580 * dwarf_formudata.c (dwarf_formudata): Likewise. 1581 * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128 1582 with end of data buf. 1583 * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks. 1584 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128 1585 call gets enough data. 1586 * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp. 1587 * dwarf_getlocation.c (store_implicit_value): Call get_uleb128 1588 with enough data. 1589 (__libdw_intern_expression): Call get_uleb128/get_sleb128 with 1590 end_data. 1591 * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check. 1592 * dwarf_getsrclines.c (read_srclines): Bounds check linep and call 1593 get_uleb128 with lineendp. 1594 * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call 1595 get_uleb128 with endp. 1596 * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call 1597 get_uleb128/get_sleb128 with limit. 1598 * encoded-value.h (read_encoded_value): Assume get_uleb128 and 1599 get_sleb128 get called with enough data. 1600 * fde.c (intern_fde): Call get_uleb128 with instructions_end. 1601 * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp. 1602 * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with 1603 endp. 1604 * memory-access.h (__libdw_get_uleb128): Take an extra endp. 1605 Don't call get_uleb128_step if out of data. 1606 (__libdw_get_sleb128): Likewise for get_sleb128_step. 1607 16082014-12-12 Mark Wielaard <mjw@redhat.com> 1609 1610 * libdwP.h (struct Dwarf): Add fake_loc_cu. 1611 (cu_data): Removed. 1612 (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx. 1613 (__libdw_form_val_compute_len): Drop dbg and endp arguments. 1614 (__libdw_form_val_len): Likewise. 1615 * libdw_form.c (__libdw_form_val_compute_len): Likewise. 1616 * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use 1617 the already found data buffer directly. 1618 * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu. 1619 * dwarf_end.c (dwarf_end): Free fake_loc_cu. 1620 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with 1621 just cu. 1622 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1623 * dwarf_formblock.c (dwarf_formblock): Add bounds checking. 1624 * dwarf_getlocation_attr.c (attr_form_cu): New function. 1625 (dwarf_getlocation_attr): Use attr_form_cu to set result->cu. 1626 (getlocation): Handle empty blocks immediately. 1627 * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var. 1628 (__libdw_empty_loc_attr): Drop cu argument, use empty_cu. 1629 (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with 1630 one argument. 1631 * dwarf_getmacros.c (read_macros): Also setup startp and endp for 1632 fake_cu. Call __libdw_form_val_len with just fake_cu. 1633 * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get 1634 datap and size directly from cu startp and endp. 1635 16362014-12-11 Mark Wielaard <mjw@redhat.com> 1637 1638 * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset. 1639 16402014-12-13 Mark Wielaard <mjw@redhat.com> 1641 1642 * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr 1643 difference doesn't wrap around before returning as int. 1644 16452014-12-11 Josh Stone <jistone@redhat.com> 1646 1647 * dwarf_getsrclines.c (struct linelist): Add sequence. 1648 (compare_lines): Take linelists, and break ties by sequence. 1649 (read_srclines): Use linelists for sorting. 1650 (read_srclines::add_new_line): Set sequence. 1651 16522014-12-10 Josh Stone <jistone@redhat.com> 1653 1654 * libdwP.h (Dwarf_CU): Add startp and endp boundaries. 1655 * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp. 1656 * dwarf_child.c (dwarf_child): Use cu->endp. 1657 * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp. 1658 * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp. 1659 * dwarf_siblingof.c (dwarf_siblingof): Use both. 1660 16612014-12-10 Josh Stone <jistone@redhat.com> 1662 1663 * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence. 1664 16652014-12-10 Josh Stone <jistone@redhat.com> 1666 1667 * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function. 1668 * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it. 1669 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1670 * dwarf_haschildren.c (dwarf_haschildren): Likewise. 1671 * dwarf_tag.c (dwarf_tag): Likewise. 1672 16732014-12-04 Mark Wielaard <mjw@redhat.com> 1674 1675 * libdwP.h (__libdw_form_val_compute_len): Add endp argument. 1676 (__libdw_form_val_len): Likewise and check len doesn't overflow. 1677 * libdw_form.c (__libdw_form_val_compute_len): Likewise. 1678 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len 1679 with endp. 1680 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1681 * dwarf_getmacros.c (read_macros): Likewise and check for errors. 1682 16832014-12-02 Petr Machata <pmachata@redhat.com> 1684 1685 * dwarf_getmacros.c (token_from_offset, offset_from_token): New 1686 helper functions. 1687 (do_dwarf_getmacros_die): Merge into dwarf_getmacros. 1688 * libdw.h (DWARF_GETMACROS_START): New macro. 1689 16902014-11-27 Mark Wielaard <mjw@redhat.com> 1691 1692 * Makefile.am (libdw.so): Use textrel_check. 1693 16942014-11-27 Mark Wielaard <mjw@redhat.com> 1695 1696 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize 1697 search_table_entries and search_table_encoding. 1698 16992014-11-24 Mark Wielaard <mjw@redhat.com> 1700 1701 * dwarf_getsrclines.c (read_srclines): Check line_range is not zero 1702 before usage. 1703 17042014-11-23 Mark Wielaard <mjw@redhat.com> 1705 1706 * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value. 1707 * dwarf_hasattr.c (dwarf_hasattr): Likewise. 1708 * dwarf_siblingof.c (dwarf_siblingof): Likewise. 1709 17102014-11-23 Mark Wielaard <mjw@redhat.com> 1711 1712 * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF. 1713 Set libdw errno and return NULL. 1714 17152014-11-24 Mark Wielaard <mjw@redhat.com> 1716 1717 * dwarf.h (DW_LANG_C_plus_plus_11): Added. 1718 (DW_LANG_C11): Likewise. 1719 (DW_LANG_C_plus_plus_14): Likewise. 1720 * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11, 1721 DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go 1722 lower bound. 1723 * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for 1724 DW_LANG_C11. 1725 17262014-11-26 Mark Wielaard <mjw@redhat.com> 1727 1728 * dwarf.h (DW_AT_noreturn): Added. 1729 17302014-11-11 Mark Wielaard <mjw@redhat.com> 1731 1732 * dwarf_getsrclines.c (read_srclines): Do address_size comparison 1733 explicitly as uint8_t. 1734 (__libdw_getsrclines): Add internal_function to declaration. 1735 17362014-09-10 Petr Machata <pmachata@redhat.com> 1737 1738 * dwarf_macro_getparamcnt.c: New file. 1739 * dwarf_macro_param.c: New file. 1740 * dwarf_macro_getsrcfiles.c: New file. 1741 * Makefile.am (libdw_a_SOURCES): Add the new files. 1742 * libdwP.h (struct files_lines_s): New structure. 1743 (DWARF_E_INVALID_OPCODE): New enumerator. 1744 (struct Dwarf): New fields macro_ops, files_lines. 1745 (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for 1746 keeping macro opcode prototypes in. 1747 (Dwarf_Macro_s): Redefine from scratch. 1748 (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New 1749 internal interfaces. 1750 * dwarf_error.c (errmsgs): Add a message for 1751 DWARF_E_INVALID_OPCODE. 1752 * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and 1753 files_lines. 1754 * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt) 1755 (dwarf_macro_getsrcfiles, dwarf_macro_param): New public 1756 interfaces. 1757 * dwarf_getmacros.c (dwarf_getmacros_off): New function, 1758 (get_offset_from, macro_op_compare, build_table) 1759 (init_macinfo_table, get_macinfo_table, get_table_for_offset) 1760 (cache_op_table, read_macros, gnu_macros_getmacros_off) 1761 (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper 1762 functions. 1763 (dwarf_getmacros): Adjust to dispatch to the new interfaces. 1764 * dwarf_getsrclines.c (read_srclines): New function with guts 1765 taken from dwarf_getsrclines. 1766 (__libdw_getsrclines): Likewise. 1767 (__libdw_getcompdir, files_lines_compare): New functions. 1768 (dwarf_getsrclines): Make it dispatch to the new interfaces. 1769 * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to 1770 the new interfaces. 1771 * dwarf_macro_param2.c (dwarf_macro_param2): Likewise. 1772 * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off, 1773 dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param. 1774 17752014-10-06 Mark Wielaard <mjw@redhat.com> 1776 1777 * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c. 1778 * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type. 1779 (aggregate_size): Likewise. Add old and new version. 1780 * dwarf_peel_type.c: New file. 1781 * libdw.h (dwarf_peel_type): New function declaration. 1782 * libdwP.h (dwarf_peel_type): New internal declaration. 1783 * libdw.map (ELFUTILS_0.161): New section. 1784 17852014-10-15 Petr Machata <pmachata@redhat.com> 1786 1787 * libdwP.h (struct Dwarf_Files_s.cu): Drop field. 1788 * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it. 1789 17902014-10-05 Mark Wielaard <mjw@redhat.com> 1791 1792 * dwarf.h: Add DW_AT_GNU_deleted. 1793 17942014-10-02 Mark Wielaard <mjw@redhat.com> 1795 1796 * dwarf_aggregate_size.c (aggregate_size): Return CU address_size 1797 for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or 1798 DW_TAG_rvalue_reference_type. 1799 18002014-09-12 Petr Machata <pmachata@redhat.com> 1801 1802 * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and 1803 8-byte quantities. Consequently, rename to... 1804 (read_addr_unaligned_inc): ... this. 1805 (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop. 1806 (read_sbyte_unaligned): Drop. 1807 18082014-09-10 Petr Machata <pmachata@redhat.com> 1809 1810 * dwarf_getlocation.c (attr_ok): Also accept 1811 DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value, 1812 DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered. 1813 18142014-08-15 Mark Wielaard <mjw@redhat.com> 1815 1816 * dwarf_cu_die.c: New file. 1817 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c. 1818 * libdw.h (dwarf_cu_die): New function declaration. 1819 * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die. 1820 18212014-08-15 Mark Wielaard <mjw@redhat.com> 1822 1823 * dwarf_cu_getdwarf.c: New file. 1824 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c. 1825 * libdw.h (Dwarf_CU): New typedef. 1826 (dwarf_cu_getdwarf): New function declaration. 1827 * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf. 1828 18292014-06-18 Mark Wielaard <mjw@redhat.com> 1830 1831 * dwarf.h: Remove DW_TAG_mutable_type. 1832 18332014-05-02 Mark Wielaard <mjw@redhat.com> 1834 1835 * libdwP.h (__check_build_id): Removed now unused. 1836 18372014-05-01 Mark Wielaard <mjw@redhat.com> 1838 1839 * libdwP.h (struct Dwarf): Remove free_alt. 1840 * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf. 1841 * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt. 1842 18432014-04-30 Mark Wielaard <mjw@redhat.com> 1844 1845 * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id. 1846 18472014-04-15 Florian Weimer <fweimer@redhat.com> 1848 1849 * dwarf_begin_elf.c (__check_build_id, try_debugaltlink) 1850 (open_debugaltlink): Move to libdwfl. 1851 (check_section): Do not locate alternate debuginfo. 1852 18532014-04-24 Florian Weimer <fweimer@redhat.com> 1854 1855 * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink. 1856 18572014-04-22 Florian Weimer <fweimer@redhat.com> 1858 1859 * dwarf_getalt.c, dwarf_setalt.c: New files. 1860 * Makefile.am (libdw_a_SOURCES): Add them. 1861 * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations. 1862 * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function 1863 declarations. 1864 * libdw.map (ELFUTILS_0.159): Export the two new functions. 1865 18662014-04-15 Florian Weimer <fweimer@redhat.com> 1867 1868 * libdwP.h (enum IDX_gnu_debugaltlink): New. 1869 * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add 1870 .gnu_debugaltlink. 1871 (check_section): Obtain .gnu_debugaltlink section from the 1872 setiondata array. 1873 18742014-04-11 Mark Wielaard <mjw@redhat.com> 1875 1876 * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink. 1877 * Makefile.am (libdw.so): Depend on libdwelf_pic.a. 1878 (libdwelf_objects): New variable. 1879 (libdw_a_LIBADD): Add libdwelf objects. 1880 18812014-04-22 Mark Wielaard <mjw@redhat.com> 1882 1883 * memory-access.h (get_sleb128_step): Remove undefined behavior 1884 of left shifting a signed value. Replace it with a multiplication. 1885 18862014-04-13 Mark Wielaard <mjw@redhat.com> 1887 1888 * Makefile.am: Remove !MUDFLAP conditions. 1889 18902014-04-09 Mark Wielaard <mjw@redhat.com> 1891 1892 * dwarf_begin_elf.c (check_section): Check for unsigned overflow 1893 before calling malloc to uncompress data. 1894 18952014-03-03 Jan Kratochvil <jan.kratochvil@redhat.com> 1896 1897 Fix abort() on missing section headers. 1898 * dwarf_begin_elf.c (check_section): Replace abort call by goto err. 1899 New label err to return NULL. 1900 19012014-02-05 Josh Stone <jistone@redhat.com> 1902 1903 * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned. 1904 * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as 1905 unsigned. Change the range assert to DWARF_E_INVALID_DWARF. 1906 19072013-12-30 Mark Wielaard <mjw@redhat.com> 1908 1909 * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and 1910 dwfl_linux_proc_attach. 1911 19122013-12-20 Mark Wielaard <mjw@redhat.com> 1913 1914 * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames. 1915 19162013-12-18 Mark Wielaard <mjw@redhat.com> 1917 1918 * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and 1919 dwfl_module_getsym_elf. Add dwfl_module_addrinfo and 1920 dwfl_module_getsym_info. 1921 19222013-12-16 Mark Wielaard <mjw@redhat.com> 1923 1924 * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global. 1925 19262013-12-10 Josh Stone <jistone@redhat.com> 1927 1928 * memory-access.h (get_uleb128_rest_return): Removed. 1929 (get_sleb128_rest_return): Removed. 1930 (get_uleb128_step): Make this a self-contained block. 1931 (get_sleb128_step): Ditto, and use a bitfield to extend signs. 1932 (get_uleb128): Make this wholly implemented by __libdw_get_uleb128. 1933 (get_sleb128): Make this wholly implemented by __libdw_get_sleb128. 1934 (__libdw_get_uleb128): Simplify and inline for all callers. 1935 (__libdw_get_sleb128): Ditto. 1936 * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128. 1937 * memory-access.c: Delete file. 1938 * Makefile.am (libdw_a_SOURCES): Remove it. 1939 (DEFS): Remove the now unused -DIS_LIBDW. 1940 19412013-12-09 Josh Stone <jistone@redhat.com> 1942 1943 * libdw_form.c (__libdw_form_val_compute_len): Renamed function from 1944 __libdw_form_val_len, now handling only non-constant form lengths. 1945 * libdwP.h (__libdw_form_val_len): New inlined function. 1946 19472013-12-09 Mark Wielaard <mjw@redhat.com> 1948 1949 * dwarf_getlocation.c (__libdw_intern_expression): Handle empty 1950 location expressions. 1951 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no 1952 location found, return empty location expression. 1953 * dwarf_getlocation_implicit_pointer.c 1954 (dwarf_getlocation_implicit_pointer): Likewise. 1955 (__libdw_empty_loc_attr): New internal function. 1956 * libdwP.h (__libdw_empty_loc_attr): Define. 1957 19582013-11-27 Mark Wielaard <mjw@redhat.com> 1959 1960 * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and 1961 dwfl_module_getsym_elf. 1962 19632013-11-26 Mark Wielaard <mjw@redhat.com> 1964 1965 * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid, 1966 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread, 1967 dwfl_thread_state_registers, dwfl_thread_state_register_pc, 1968 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ... 1969 (ELFUTILS_0.158): ... here. 1970 19712013-11-09 Mark Wielaard <mjw@redhat.com> 1972 1973 * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and 1974 check that it is zero. 1975 19762013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1977 1978 * cfi.h (struct Dwarf_Frame_s): Make the comment more specific. 1979 * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid, 1980 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread, 1981 dwfl_thread_state_registers, dwfl_thread_state_register_pc, 1982 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc. 1983 19842013-11-01 Michael Forney <mforney@mforney.org> 1985 1986 * Makefile.am (libdwfl_objects): New definition. 1987 (libdw_a_LIBADD): Use libdwfl_objects. 1988 19892013-11-01 Michael Forney <mforney@mforney.org> 1990 1991 * Makefile.am: Use READELF. 1992 19932013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1994 1995 * libdw.map (ELFUTILS_0.158): New. 1996 19972013-10-10 Mark Wielaard <mjw@redhat.com> 1998 1999 * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to 2000 start_addr and rename last_offset to last_addr. Now both void *. 2001 (tree_visitor): Use start_add and die_addr instead of start_offset 2002 and die_offset. 2003 (dwarf_getfuncs): Use last_addr instead of last_offset. 2004 20052013-10-06 Mark Wielaard <mjw@redhat.com> 2006 2007 * cfi.c (execute_cfi): Make sure DW_CFA_expression and 2008 DW_CFA_val_expression are not used with abi_cfi. 2009 20102013-10-03 Josh Stone <jistone@redhat.com> 2011 2012 * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here. 2013 * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits 2014 a unit, make sure to always hash the sig8 here, so none are missed. 2015 20162013-09-29 Mark Wielaard <mjw@redhat.com> 2017 2018 * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to 2019 uintptr_t before casting to char *. 2020 (__libdw_intern_expression): Cast data to uintptr_t before casting 2021 to Dwarf_Word. 2022 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast 2023 op->number2 to uintptr_t before casting to char *. 2024 20252013-09-24 Josh Stone <jistone@redhat.com> 2026 2027 * libdw_visit_scopes.c (classify_die): Removed. 2028 (may_have_scopes): New function to replace classify_die. There's no 2029 need for full classification; just find tags that may contain scopes. 2030 (__libdw_visit_scopes): Use a direct tag comparison for imported 2031 units, and use may_have_scopes to test if recursion is needed. 2032 20332013-09-20 Mark Wielaard <mjw@redhat.com> 2034 2035 * dwarf_getfuncs.c (visitor_info): New struct. 2036 (tree_visitor): New function. 2037 (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor. 2038 * libdw.h (dwarf_getfuncs): Expand function documentation. 2039 20402013-09-12 Mark Wielaard <mjw@redhat.com> 2041 2042 * fde.c (intern_fde): Free fde and set libdw errno when start 2043 or end could not be read. 2044 20452013-08-24 Mark Wielaard <mjw@redhat.com> 2046 2047 * dwarf_getlocation.c (store_implicit_value): Don't take data 2048 as argument, get block data from op number2. Return false when 2049 block data length and op number don't match up. 2050 (__libdw_intern_expression): Store start of block for 2051 DW_OP_implicit_value and DW_OP_GNU_entry_value instead of 2052 relative data offset. Also store block start (including length) 2053 for DW_OP_GNU_const_type. Don't pass data to store_implicit_value. 2054 * dwarf_getlocation_attr.c: New file. 2055 * dwarf_getlocation_die.c: Likewise. 2056 * libdw.h (dwarf_getlocation_die): New function definition. 2057 (dwarf_getlocation_attr): Likewise. 2058 * libdwP.h: Declare internal dwarf_getlocation_die. 2059 * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and 2060 dwarf_getlocation_attr. 2061 * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and 2062 dwarf_getlocation_attr.c. 2063 20642013-08-23 Mark Wielaard <mjw@redhat.com> 2065 2066 * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment. 2067 (attr_base_address): New function. 2068 (initial_offset_base): New function. 2069 (getlocations_addr): New function. Taken from... 2070 (dwarf_getlocation_addr): here. Use new initial_offset_base and 2071 getlocations_addr. 2072 (dwarf_getlocations): New function. 2073 * libdw.h (dwarf_getlocations): New function definition. 2074 * libdw.map (ELFUTILS_0.157): New. 2075 20762013-07-02 Mark Wielaard <mjw@redhat.com> 2077 2078 * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation 2079 limit MAX_STACK_ALLOC. After MAX_STACK_ALLOC lines use malloc in 2080 NEW_LINE macro. Free malloced line records if any at the end. 2081 20822013-07-02 Mark Wielaard <mjw@redhat.com> 2083 2084 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS. 2085 20862013-06-26 Mark Wielaard <mjw@redhat.com> 2087 2088 * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root 2089 DIEs without children. Return an error whenever dwarf_child or 2090 dwarf_siblingof return an error. Don't call recurse and increase 2091 the depth for an imported unit. Walk the children of an imported 2092 unit as if they are logical children of the parent root DIE. 2093 20942013-05-03 Mark Wielaard <mjw@redhat.com> 2095 2096 * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence 2097 when nlinelist > 0. 2098 20992013-04-28 Jan Kratochvil <jan.kratochvil@redhat.com> 2100 2101 * libdw.map (ELFUTILS_0.156): New. 2102 21032013-04-24 Mark Wielaard <mjw@redhat.com> 2104 2105 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. 2106 21072013-04-10 Mark Wielaard <mjw@redhat.com> 2108 2109 * dwarf_formref_die.c (dwarf_formref_die): Reference size is only 2110 equal to address size when we have a DW_FORM_ref_addr for DWARF 2111 version 2. 2112 21132013-03-25 Mark Wielaard <mjw@redhat.com> 2114 2115 * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as 2116 end_sequence. 2117 21182013-03-12 Mark Wielaard <mjw@redhat.com> 2119 2120 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit. 2121 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 2122 21232013-02-15 Mark Wielaard <mjw@redhat.com> 2124 2125 * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata, 2126 not dbg->sectiondata. 2127 21282013-01-07 Roland McGrath <roland@hack.frob.com> 2129 2130 * memory-access.h 2131 [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro. 2132 [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function. 2133 21342012-12-18 Mark Wielaard <mjw@redhat.com> 2135 2136 * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid. 2137 (check_section): Likewise on error. 2138 (scngrp_read): Likewise. 2139 (dwarf_begin_elf): Likewise. 2140 21412012-10-09 Petr Machata <pmachata@redhat.com> 2142 2143 * dwarf_getlocation.c (__libdw_intern_expression): Handle 2144 DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret, 2145 DW_OP_GNU_regval_type, DW_OP_GNU_entry_value, 2146 DW_OP_GNU_deref_type, DW_OP_GNU_const_type. 2147 21482012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2149 2150 * cfi.c: New include system.h. 2151 (execute_cfi) (enough_registers): Clear new memory after realloc. 2152 21532012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2154 2155 * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return 2156 DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for 2157 searched PC. 2158 21592012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2160 2161 * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new 2162 loclist element DW_OP_call_frame_cfa before decoding the opcodes. 2163 Remove the later DW_OP_call_frame_cfa push to RESULT. 2164 21652012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2166 2167 Code cleanup. 2168 * fde.c (binary_search_fde): Remove always true <address >= start> 2169 conditional. Move L initialization upwards. 2170 21712012-08-24 Mark Wielaard <mjw@redhat.com> 2172 2173 * dwarf_begin_elf.c (check_section): Only probe for dwz multi files 2174 when ENABLE_DWZ is defined. 2175 * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is 2176 defined. 2177 21782012-08-16 Mark Wielaard <mjw@redhat.com> 2179 2180 * Makefile.am (EXTRA_DIST): Add known-dwarf.h. 2181 * dwarf.h (DW_LANG_Go): Update comment. 2182 (DW_LANG_Mips_Assembler): Likewise. 2183 21842012-06-27 Mark Wielaard <mjw@redhat.com> 2185 2186 * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt. 2187 * dwarf_begin.c (dwarf_begin): Add INTDEF. 2188 * dwarf_begin_elf.c (__check_build_id): New internal_function. 2189 (try_debugaltlink): New function. 2190 (open_debugaltlink): Likewise. 2191 (check_section): Try open_debugaltlink for .gnu_debugaltlink. 2192 * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if 2193 necessary. 2194 * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK. 2195 * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt 2196 is an error here. 2197 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt. 2198 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt. 2199 * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset 2200 calls. 2201 * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call. 2202 * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK. 2203 (struct Dwarf): Add alt_dwarf and free_alt fields. 2204 (__libdw_read_offset): Add dbg_ret argument, use to check with 2205 __libdw_offset_in_section. 2206 (__check_build_id): New function declaration. 2207 (dwarf_begin): Define as INTDECL. 2208 * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt 2209 and DW_FORM_GNU_strp_alt. 2210 22112012-07-19 Mark Wielaard <mjw@redhat.com> 2212 2213 * dwarf.h: Add DW_OP_GNU_parameter_ref. 2214 22152012-07-24 Mark Wielaard <mjw@redhat.com> 2216 2217 * dwarf.h: Correct spelling of DW_LANG_ObjC. 2218 * dwarf_aggregate_size.c (array_size): Use correct spelling of 2219 DW_LANG_ObjC. 2220 22212012-07-24 Mark Wielaard <mjw@redhat.com> 2222 2223 * dwarf.h: Add DW_ATE_UTF. 2224 22252012-06-27 Mark Wielaard <mjw@redhat.com> 2226 2227 * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings. 2228 22292012-06-26 Mark Wielaard <mjw@redhat.com> 2230 2231 * libdwP.h: Add IDX_debug_macro. 2232 * dwarf.h: Add DW_AT_GNU_macros. 2233 * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro. 2234 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros. 2235 22362012-04-27 Mark Wielaard <mjw@redhat.com> 2237 2238 * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being 2239 a constant offset from DW_AT_low_pc. 2240 22412012-03-19 Tom Tromey <tromey@redhat.com> 2242 2243 * libdw_findcu.c (findcu_cb): Move earlier. 2244 (__libdw_intern_next_unit): Add new CU to search tree here... 2245 (__libdw_findcu): ... not here. 2246 22472012-01-31 Mark Wielaard <mjw@redhat.com> 2248 2249 * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset. 2250 22512011-11-31 Mark Wielaard <mjw@redhat.com> 2252 2253 * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk. 2254 22552011-07-14 Mark Wielaard <mjw@redhat.com> 2256 2257 * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info. 2258 22592011-05-16 Jakub Jelinek <jakub@redhat.com> 2260 2261 * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type, 2262 DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret): 2263 New. 2264 22652011-04-26 Mark Wielaard <mjw@redhat.com> 2266 2267 * dwarf_child (dwarf_child): Sanity check end of section against 2268 cu_data () of die->cu. 2269 22702011-03-22 Mark Wielaard <mjw@redhat.com> 2271 2272 * dwarf.h: Add DW_TAG_GNU_call_site, 2273 DW_TAG_GNU_call_site_parameter, 2274 DW_AT_GNU_call_site_value, 2275 DW_AT_GNU_call_site_data_value, 2276 DW_AT_GNU_call_site_target, 2277 DW_AT_GNU_call_site_target_clobbered, 2278 DW_AT_GNU_tail_call, 2279 DW_AT_GNU_all_tail_call_sites, 2280 DW_AT_GNU_all_call_sites, 2281 DW_AT_GNU_all_source_call_sites, 2282 and DW_OP_GNU_entry_value. 2283 22842011-03-10 Petr Machata <pmachata@redhat.com> 2285 2286 * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for 2287 abbreviation with code 0. 2288 22892011-03-09 Petr Machata <pmachata@redhat.com> 2290 2291 * libdw/dwarf_child.c (dwarf_child): Check for section overrun. 2292 22932011-02-23 Roland McGrath <roland@redhat.com> 2294 2295 * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask. 2296 Declare __libdw_free_zdata. 2297 * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function. 2298 (dwarf_end): Call it. 2299 2300 * dwarf_begin_elf.c (valid_p): Likewise. 2301 (check_section, scngrp_read): Likewise. 2302 (check_section) [USE_ZLIB]: Grok .z* flavors of sections. 2303 23042010-10-13 Roland McGrath <roland@redhat.com> 2305 2306 * dwarf.h: Add DW_LANG_Go. 2307 23082010-10-05 Roland McGrath <roland@redhat.com> 2309 2310 * dwarf_getaranges.c: Use malloc rather than alloca, 2311 since the total number of elements can be quite huge. 2312 23132010-07-26 Roland McGrath <roland@redhat.com> 2314 2315 * dwarf_getlocation_implicit_pointer.c: New file. 2316 * Makefile.am (libdw_a_SOURCES): Add it. 2317 * libdw.map (ELFUTILS_0.149): New set. 2318 Add dwarf_getlocation_implicit_pointer. 2319 * libdw.h: Declare it. 2320 2321 * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global. 2322 (dwarf_offdie, dwarf_offdie_types): Update callers. 2323 * libdwP.h: Declare it. 2324 2325 * dwarf.h: Add DW_OP_GNU_implicit_pointer. 2326 * dwarf_getlocation.c (__libdw_intern_expression): Handle it. 2327 23282010-08-24 Roland McGrath <roland@redhat.com> 2329 2330 * libdw.map (ELFUTILS_0.149): New set. Add dwfl_dwarf_line. 2331 23322010-07-27 Roland McGrath <roland@redhat.com> 2333 2334 * dwarf_formref_die.c: Fix sig8 hash insertion. 2335 23362010-06-23 Roland McGrath <roland@redhat.com> 2337 2338 * cfi.c (dwarf_cfi_validate_fde): Function removed. 2339 * libdw.h: Remove it. 2340 * libdw.map: Likewise. 2341 23422010-06-22 Roland McGrath <roland@redhat.com> 2343 2344 * dwarf_getlocation.c (check_constant_offset): data[48] are constant. 2345 2346 * dwarf_getsrclines.c: Fix signed comparison warning in extended 2347 opcode parsing. 2348 23492010-06-21 Roland McGrath <roland@redhat.com> 2350 2351 * dwarf.h: Add DW_TAG_GNU_* constants. 2352 2353 * memory-access.h (get_sleb128_rest_return): Fix sign extension for 2354 10-byte case. 2355 23562010-06-20 Roland McGrath <roland@redhat.com> 2357 2358 * libdw_findcu.c (__libdw_findcu): Take new flag argument, 2359 to search TUs instead of CUs. 2360 * libdwP.h: Update decl. 2361 (struct Dwarf): New member tu_tree. 2362 * dwarf_end.c (dwarf_end): Clean up tu_tree. 2363 * dwarf_offdie.c (do_offdie): New function, broken out of ... 2364 (dwarf_offdie): ... here. 2365 (dwarf_offdie_types): New function. 2366 * libdw.h: Declare it. 2367 * libdw.map (ELFUTILS_0.148): Add it. 2368 2369 * libdwP.h (CUDIE): Use cu_data. 2370 * dwarf_formblock.c: Likewise. 2371 * dwarf_formref_die.c: Likewise. 2372 * dwarf_diecu.c: Use CUDIE macro. 2373 * dwarf_formaddr.c: Use cu_sec_idx. 2374 23752010-06-16 Roland McGrath <roland@redhat.com> 2376 2377 * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so 2378 we don't repeat a CU lookup we've already done. Handle 2379 DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit. 2380 2381 * libdw_findcu.c (__libdw_intern_next_unit): New function, 2382 broken out of ... 2383 (__libdw_findcu): ... here. Call it. 2384 * libdwP.h: Declare it. 2385 (struct Dwarf): New member next_tu_offset. 2386 2387 * dwarf_sig8_hash.c: New file. 2388 * dwarf_sig8_hash.h: New file. 2389 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them. 2390 * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before 2391 defining NO_UNDEF. 2392 * libdwP.h (struct Dwarf): New member sig8_hash. 2393 * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it. 2394 * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it. 2395 2396 * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ... 2397 (dwarf_nextcu): ... here. Call it. 2398 * libdw.h: Declare it. 2399 * libdwP.h: Add INTDECL. 2400 * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu. 2401 * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit. 2402 2403 * libdwP.h (cu_sec_idx, cu_data): New functions. 2404 Use .debug_types when CU is a TU. 2405 * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info. 2406 * dwarf_siblingof.c: Likewise. 2407 * dwarf_formstring.c: Likewise. 2408 * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise. 2409 * dwarf_getlocation.c (dwarf_getlocation): Likewise. 2410 (dwarf_getlocation_addr): Likewise. 2411 2412 * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8. 2413 (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute 2414 .debug_types header size instead of .debug_info header size. 2415 (CUDIE): Use it. 2416 * dwarf_diecu.c: Update caller. 2417 * dwarf_getaranges.c: Likewise. 2418 * dwarf_nextcu.c: Likewise. 2419 * libdw_findcu.c (__libdw_findcu): Initialize new members. 2420 2421 * fde.c (fde_by_offset): Renamed to ... 2422 (__libdw_fde_by_offset): ... this, made global and internal_function. 2423 Don't take ADDRESS argument. 2424 (__libdw_find_fde): Update caller. Do address sanity check here. 2425 * cfi.h: Declare __libdw_fde_by_offset. 2426 * cfi.c (dwarf_cfi_validate_fde): New function. 2427 * libdw.h: Declare it. 2428 * libdw.map (ELFUTILS_0.148): Add it. 2429 2430 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to 2431 either DW_EH_PE_udata8 or DW_EH_PE_udata4. 2432 2433 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect. 2434 Don't assume DW_EH_PE_aligned refers to native address size. 2435 2436 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the 2437 address. 2438 24392010-06-17 Roland McGrath <roland@redhat.com> 2440 2441 * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and 2442 op_index. 2443 * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts 2444 into an inner inline function. Set new fields. Check all fields for 2445 overflow when setting. 2446 * dwarf_lineisa.c: New file. 2447 * dwarf_linediscriminator.c: New file. 2448 * dwarf_lineop_index.c: New file. 2449 * Makefile.am (libdw_a_SOURCES): Add them. 2450 * libdw.map (ELFUTILS_0.148): Add them. 2451 * libdw.h: Declare them. 2452 24532010-06-16 Roland McGrath <roland@redhat.com> 2454 2455 * dwarf_next_cfi.c: Fix version 4 return_address_register decoding. 2456 2457 * fde.c (fde_by_offset): Renamed to ... 2458 (__libdw_fde_by_offset): ... this, made global and internal_function. 2459 Don't take ADDRESS argument. 2460 (__libdw_find_fde): Update caller. Do address sanity check here. 2461 * cfi.h: Declare __libdw_fde_by_offset. 2462 * cfi.c (dwarf_cfi_validate_fde): New function. 2463 * libdw.h: Declare it. 2464 * libdw.map (ELFUTILS_0.148): Add it. 2465 2466 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to 2467 either DW_EH_PE_udata8 or DW_EH_PE_udata4. 2468 2469 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect. 2470 Don't assume DW_EH_PE_aligned refers to native address size. 2471 2472 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the 2473 address. 2474 24752010-06-15 Roland McGrath <roland@redhat.com> 2476 2477 * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like 2478 DW_FORM_ref_addr. 2479 * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way 2480 here, since we don't support it yet. 2481 2482 * dwarf_next_cfi.c: Handle version 4 format. 2483 2484 * dwarf_getsrclines.c: Handle version 4 format. 2485 24862010-06-01 Roland McGrath <roland@redhat.com> 2487 2488 * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types. 2489 * dwarf_begin_elf.c (dwarf_scnnames): Likewise. 2490 2491 * libdwP.h (CIE_VERSION): Remove unused macro. 2492 2493 * dwarf_getsrclines.c: Fix version field test. 2494 * libdwP.h (DWARF_VERSION): Remove useless macro. 2495 2496 * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling. 2497 2498 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc. 2499 2500 * libdw_findcu.c (__libdw_findcu): Accept version 4. 2501 25022010-05-31 Mark Wielaard <mjw@redhat.com> 2503 2504 * cfi.h (dwarf_cfi_cie_p): Move definition from here, to .. 2505 * libdw.h (dwarf_cfi_cie_p): ... here. 2506 25072010-05-31 Mark Wielaard <mjw@redhat.com> 2508 2509 * dwarf.h: Fix DW_LANG_Python constant. 2510 25112010-05-28 Eduardo Santiago <santiago@redhat.com> 2512 2513 * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first 2514 thing. 2515 25162010-05-27 Roland McGrath <roland@redhat.com> 2517 2518 * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name, 2519 DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator. 2520 25212010-05-08 Roland McGrath <roland@redhat.com> 2522 2523 * dwarf_getlocation.c (__libdw_intern_expression): Take new argument 2524 REF_SIZE. Use that to handle DW_OP_call_ref correctly. 2525 (getlocation): Update caller. 2526 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise. 2527 * dwarf_frame_register.c (dwarf_frame_register): Likewise. 2528 * libdwP.h: Update decl. 2529 25302010-04-26 Roland McGrath <roland@redhat.com> 2531 2532 * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule. 2533 * cfi.c (execute_cfi): Set that instead of doing cfi_assert for 2534 DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force. 2535 * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid. 2536 2537 * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP. 2538 Prepend DW_OP_call_frame_cfa if true. 2539 (getlocation): Update caller. 2540 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise. 2541 * dwarf_frame_register.c (dwarf_frame_register): Likewise. 2542 * libdwP.h: Update decl. 2543 25442010-04-22 Roland McGrath <roland@redhat.com> 2545 2546 * cfi.c (execute_cfi): Never return without cleanup. 2547 Free FS on failure. 2548 (cie_cache_initial_state): Adjust caller to expect that free. 2549 (__libdw_frame_at_address): Likewise. 2550 25512010-03-10 Roland McGrath <roland@redhat.com> 2552 2553 * libdw.map (ELFUTILS_0.146): New set. Add dwfl_core_file_report. 2554 25552010-02-15 Roland McGrath <roland@redhat.com> 2556 2557 * Makefile.am: Use config/eu.am for common stuff. 2558 25592010-02-02 Mark Wielaard <mjw@redhat.com> 2560 2561 * fde.c (intern_fde): Fix length check for sized_augmentation_data. 2562 25632010-01-07 Roland McGrath <roland@redhat.com> 2564 2565 * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum. 2566 25672010-01-05 Roland McGrath <roland@redhat.com> 2568 2569 * dwarf_aggregate_size.c: New file. 2570 * Makefile.am (libdw_a_SOURCES): Add it. 2571 * libdw.h: Declare it. 2572 * libdwP.h: Add INTDECL. 2573 * libdw.map (ELFUTILS_0.144): New set. Add dwarf_aggregate_size. 2574 2575 * dwarf_srclang.c: Add INTDEF. 2576 * libdwP.h: Add INTDECL. 2577 2578 * dwarf.h: Add some more DW_AT_GNU_* types from gcc. 2579 2580 * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name. 2581 25822009-11-21 Roland McGrath <roland@redhat.com> 2583 2584 * dwarf_getlocation.c (check_constant_offset): Return 1 for all 2585 non-constant forms. 2586 25872009-10-15 Roland McGrath <roland@redhat.com> 2588 2589 * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset, 2590 DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8. 2591 25922009-09-17 Roland McGrath <roland@redhat.com> 2593 2594 * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP 2595 argument a pointer to const. 2596 * libdw.h: Update decl. 2597 25982009-09-10 Roland McGrath <roland@redhat.com> 2599 2600 * dwarf_getlocation.c (store_implicit_value): New function. 2601 (__libdw_intern_expression): Use it, handle DW_OP_implicit_value. 2602 (dwarf_getlocation_implicit_value): New function. 2603 * libdw.h: Declare it. 2604 * libdw.map (ELFUTILS_0.143): Add it. 2605 26062009-09-09 Mark Wielaard <mjw@redhat.com> 2607 2608 * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl. 2609 26102009-08-21 Josh Stone <jistone@redhat.com> 2611 2612 * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too. 2613 26142009-08-10 Roland McGrath <roland@redhat.com> 2615 2616 * dwarf_getscopevar.c: Use dwarf_diename. 2617 26182009-08-09 Roland McGrath <roland@redhat.com> 2619 2620 * libdw.map (ELFUTILS_0.143): New version set, 2621 inherits from ELFUTILS_0.142. 2622 * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an 2623 alias in the ELFUTILS_0.122 version set and the default in the new set. 2624 * dwarf_srclang.c: Likewise. 2625 * dwarf_decl_file.c: Likewise. 2626 * dwarf_decl_line.c: Likewise. 2627 * dwarf_decl_column.c: Likewise. 2628 * dwarf_bytesize.c: Likewise. 2629 * dwarf_bitsize.c: Likewise. 2630 * dwarf_bitoffset.c: Likewise. 2631 26322009-08-07 Roland McGrath <roland@redhat.com> 2633 2634 * dwarf_arrayorder.c: Use dwarf_attr_integrate. 2635 * dwarf_srclang.c: Likewise. 2636 * dwarf_decl_file.c: Likewise. 2637 * dwarf_decl_line.c (__libdw_attr_intval): Likewise. 2638 * dwarf_bytesize.c: Likewise. 2639 * dwarf_bitsize.c: Likewise. 2640 * dwarf_bitoffset.c: Likewise. 2641 26422009-07-22 Roland McGrath <roland@redhat.com> 2643 2644 * dwarf_frame_cfa.c: Change calling convention. 2645 * libdw.h: Update decl. 2646 2647 * dwarf_frame_register.c: Change calling/return-value convention for 2648 value-only results and undefined/same_value. 2649 * libdw.h: Update decl. 2650 2651 * dwarf_getlocation.c (__libdw_intern_expression): Take new bool 2652 argument, append DW_OP_stack_value if set. Don't take NOPS argument, 2653 return that value instead. 2654 (getlocation): Update caller. 2655 * dwarf_frame_cfa.c: Likewise. 2656 * libdwP.h: Update decl. 2657 26582009-07-21 Roland McGrath <roland@redhat.com> 2659 2660 * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list. 2661 Fix loop iteration after skipping a bogus or useless CU. 2662 2663 * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless 2664 absence, not DWARF_E_NO_DEBUG_LINE. 2665 26662009-07-20 Roland McGrath <roland@redhat.com> 2667 2668 * dwarf_getlocation.c (__libdw_intern_expression): 2669 Handle DW_OP_stack_value. 2670 26712009-07-16 Roland McGrath <roland@redhat.com> 2672 2673 * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset, 2674 reject others when CU's version > 3. 2675 2676 * dwarf_formflag.c: Handle DW_FORM_flag_present. 2677 2678 * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft. 2679 Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type. 2680 Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset, 2681 and DW_AT_const_expr. 2682 Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present, 2683 and DW_FORM_ref_sig8. 2684 26852009-07-15 Roland McGrath <roland@redhat.com> 2686 2687 * dwarf_getlocation.c: Grok DW_OP_form_tls_address, 2688 DW_OP_GNU_push_tls_address, and DW_OP_bit_piece. 2689 26902009-07-13 Roland McGrath <roland@redhat.com> 2691 2692 * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa. 2693 26942009-07-08 Roland McGrath <roland@redhat.com> 2695 2696 * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi, 2697 dwfl_module_eh_cfi. 2698 2699 * libdwP.h (struct Dwarf): Add member `cfi'. 2700 * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it. 2701 * dwarf_getcfi.c: New file. 2702 * dwarf_getcfi_elf.c: New file. 2703 * dwarf_cfi_end.c: New file. 2704 * dwarf_cfi_addrframe.c: New file. 2705 * dwarf_frame_cfa.c: New file. 2706 * dwarf_frame_register.c: New file. 2707 * dwarf_frame_return_address_register.c: New file. 2708 * Makefile.am (libdw_a_SOURCES): Add them. 2709 * unwind.h: Declare those functions. 2710 * libdw.map (ELFUTILS_0.142): Export them. 2711 2712 * dwarf_getlocation.c (__libdw_intern_expression): New function, 2713 broken out of ... 2714 (getlocation): ... here, call it. 2715 * libdwP.h: Declare it. 2716 2717 * cie.c: New file. 2718 * fde.c: New file. 2719 * frame-cache.c: New file. 2720 * cfi.c: New file. 2721 * cfi.h: New file. 2722 * encoded-value.h: New file. 2723 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them. 2724 * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum. 2725 * dwarf_error.c (errmsgs): Add element for it. 2726 2727 * dwarf_next_cfi.c: New file. 2728 * Makefile.am (libdw_a_SOURCES): Add it. 2729 * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types. 2730 Declare dwarf_next_cfi. 2731 * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136. 2732 Add dwarf_next_cfi. 2733 2734 * memory-access.h [! ALLOW_UNALIGNED] 2735 (read_2ubyte_unaligned): Renamed to ... 2736 (read_2ubyte_unaligned_1): ... this. Take bool rather than Dwarf *. 2737 (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order. 2738 (read_2sbyte_unaligned): Likewise. 2739 (read_4ubyte_unaligned): Likewise. 2740 (read_4sbyte_unaligned): Likewise. 2741 (read_8ubyte_unaligned): Likewise. 2742 (read_8sbyte_unaligned): Likewise. 2743 2744 * libdwP.h (IDX_eh_frame): Remove it. 2745 * dwarf_begin_elf.c (dwarf_scnnames): Remove its element. 2746 27472009-07-08 Roland McGrath <roland@redhat.com> 2748 2749 * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better. 2750 2751 * dwarf_getlocation.c (check_constant_offset): New function. 2752 (dwarf_getlocation, dwarf_getlocation_addr): Call it to 2753 handle DW_AT_data_member_location of data[48] as constant offset. 2754 27552009-06-18 Roland McGrath <roland@redhat.com> 2756 2757 * libdwP.h (__libdw_read_address_inc): Constify. 2758 (__libdw_read_offset_inc): Likewise. 2759 * dwarf_getaranges.c: Likewise. 2760 * dwarf_getlocation.c: Likewise. 2761 * dwarf_getsrclines.c: Likewise. 2762 * dwarf_nextcu.c: Likewise. 2763 27642009-05-05 Petr Machata <pmachata@redhat.com> 2765 2766 * libdwP.h (__libdw_formptr): Declare new function. 2767 * dwarf_formudata.c: Implement it here. 2768 * dwarf_getlocation.c (dwarf_getlocation_addr): 2769 Call it instead of hand-rolled offset handling code. 2770 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 2771 * dwarf_ranges.c (dwarf_ranges): Likewise. 2772 27732009-05-04 Petr Machata <pmachata@redhat.com> 2774 2775 * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function. 2776 * dwarf_ranges.c: Implement it here. 2777 (dwarf_ranges): Call it. 2778 * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here. 2779 27802009-04-23 Petr Machata <pmachata@redhat.com> 2781 2782 * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead 2783 of read_*ubyte_unaligned. 2784 * dwarf_formref_die.c (dwarf_formref_die): Likewise. 2785 * dwarf_formstring.c (dwarf_formstring): Likewise. 2786 * dwarf_formudate.c (dwarf_formudata): Likewise. 2787 * dwarf_getaranges.c (dwarf_getaranges): Likewise. 2788 * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise. 2789 * dwarf_getpubnames.c (get_offsets): Likewise. 2790 * dwarf_nextcu.c (dwarf_nextcu): Likewise. 2791 27922009-04-23 Petr Machata <pmachata@redhat.com> 2793 2794 * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc, 2795 __libdw_read_addr, __libdw_read_off): Add four new internal 2796 functions. 2797 27982009-05-07 Roland McGrath <roland@redhat.com> 2799 2800 * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in 2801 return value and OFFSET argument, not CU-relative. Only fetch the 2802 attribute data when called with OFFSET of 0. 2803 28042009-05-07 Petr Machata <pmachata@redhat.com> 2805 2806 * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in 2807 DW_AT_macro_info attribute of CU DIE. 2808 28092009-04-15 Roland McGrath <roland@redhat.com> 2810 2811 * dwarf.h (DW_CIE_ID): Removed. 2812 (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it. 2813 28142009-04-01 Roland McGrath <roland@redhat.com> 2815 2816 * dwarf.h: Add DW_CFA_GNU_negative_offset_extended. 2817 28182009-01-28 Roland McGrath <roland@redhat.com> 2819 2820 * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s 2821 defn so C++ doesn't scope the name to not match the Dwarf_Line typedef. 2822 2823 * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field. 2824 28252009-01-26 Roland McGrath <roland@redhat.com> 2826 2827 * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all. 2828 28292009-01-25 Roland McGrath <roland@redhat.com> 2830 2831 * dwarf_getattrs.c: Correctly skip attribute values when restarting. 2832 28332009-01-23 Roland McGrath <roland@redhat.com> 2834 2835 * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back. 2836 Put these rules under if MAINTAINER_MODE. 2837 28382009-01-22 Roland McGrath <roland@redhat.com> 2839 2840 * dwarf.h: Add DW_OP_GNU_encoded_addr. 2841 28422009-01-21 Roland McGrath <roland@redhat.com> 2843 2844 * Makefile.am (CLEANFILES): Renamed to ... 2845 (MOSTLYCLEANFILES): ... here. 2846 (CLEANFILES): New variable, add known-dwarf.h. 2847 28482009-01-17 Roland McGrath <roland@redhat.com> 2849 2850 * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir). 2851 Make it unconditional. 2852 (BUILT_SOURCES): Updated. 2853 2854 * dwarf.h: Add description comments for DW_LANG_* values. 2855 2856 * Makefile.am [MAINTAINER_MODE] 2857 ($(srcdir)/known-dwarf.h): New target. 2858 (BUILT_SOURCES): Add it. 2859 2860 * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit. 2861 28622009-01-10 Ulrich Drepper <drepper@redhat.com> 2863 2864 * dwarf_error.c: Always use __thread. Remove all !USE_TLS code. 2865 28662009-01-08 Roland McGrath <roland@redhat.com> 2867 2868 * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in. 2869 28702008-01-06 Roland McGrath <roland@redhat.com> 2871 2872 * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool. 2873 Reorder members. 2874 * dwarf_haschildren.c: Return -1 for error case, not 0. 2875 2876 * Makefile.am (libdw.so): Link in $(zip_LIBS). 2877 28782009-01-06 Ulrich Drepper <drepper@redhat.com> 2879 2880 * dwarf.h: Add definition for unwind and call frame information. 2881 2882 * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned, 2883 read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc. 2884 28852008-08-15 Roland McGrath <roland@redhat.com> 2886 2887 * libdw.map (ELFUTILS_0.136): New version set, inherits from 2888 ELFUTILS_0.130. Add dwfl_addrsegment, dwfl_report_segment. 2889 28902008-01-21 Ulrich Drepper <drepper@redhat.com> 2891 2892 * dwarf_child.c: Minor optimizations. 2893 * dwarf_getattrs.c: Likewise. 2894 * dwarf_getpubnames.c: Likewise. 2895 * dwarf_siblingof.c: Likewise. 2896 * dwarf_tag.c: Likewise. 2897 28982008-01-18 Ulrich Drepper <drepper@redhat.com> 2899 2900 * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match 2901 of DWARF_VERSION comparison, just fail if the file's version is newer. 2902 29032008-01-17 Nick Clifton <nickc@redhat.com> 2904 2905 * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define. 2906 (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define. 2907 (DWARF3_LENGTH_64_BIT): New define. 2908 * dwarf_getaranges (dwarf_getaranges): Use the new definitions. 2909 * dwarf_getpubnames: Include dwarf.h. 2910 (get_offsets): Use the new definitions. 2911 * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions. 2912 * dwarf_nextcu.c: Include dwarf.h. Correct comment. 2913 (dwarf_nextcu): Use the new definitions. 2914 2915 * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro. 2916 * dwarf_diecu.c (dwarf_diecu): Use the new macro. 2917 * dwarf_getaranges (dwarf_getaranges): Use the new macro. 2918 * dwarf_nextcu.c (dwarf_nextcu): Use the new macro. 2919 2920 * dwarf_getpubnames (get_offsets): Replace assertion with test and 2921 error return. 2922 2923 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE. 2924 2925 * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer. 2926 Set the address in the return structure to the address of the next 2927 non-sibling die, if there is no sibling and the return pointer is 2928 not the same as the die pointer. 2929 * libdw.h: Expand the description of the dwarf_siblingof prototype. 2930 2931 * dwarf_child.c: Fix typo in comment. 2932 2933 * libdwP.h (DWARF_VERSION): Change to 3. 2934 2935 * dwarf_formref.c (__libdw_formref.c): Handle attributes which do 2936 not have a initialised valp pointer. 2937 2938 * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when 2939 the end of the attributes is reached. When the callback fails, 2940 return the address of the failing attribute, not the address of 2941 its successor. 2942 * libdw.h: Expand the description of the dwarf_getattrs prototype. 2943 2944 * dwarf_child.c (__libdw_find_attr): Use the new definition. 2945 (dwarf_child): Likewise. 2946 * dwarf_tag.c (__libdw_findabbrev): Likewise. 2947 (dwarf_tag): Likewise. 2948 29492008-01-08 Roland McGrath <roland@redhat.com> 2950 2951 * Makefile.am (euinclude): Variable removed. 2952 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 2953 (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir). 2954 29552007-10-17 Roland McGrath <roland@redhat.com> 2956 2957 * libdw.h (__deprecated_attribute__): New macro. 2958 (dwarf_formref): Mark it deprecated. 2959 * dwarf_formref.c (__libdw_formref): New function, broken out of ... 2960 (dwarf_formref): ... here. Call it. Remove INTDEF. 2961 * libdwP.h: Remove INTDECL. 2962 Declare __libdw_formref. 2963 * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead. 2964 * dwarf_formref_die.c: Likewise. Handle DW_FORM_ref_addr here. 2965 2966 * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result, 2967 needs to check CU->version. 2968 2969 * libdwP.h (struct Dwarf_CU): New member `version'. 2970 * libdw_findcu.c (__libdw_findcu): Initialize it. 2971 2972 * dwarf_child.c: Return 1 for null entry as first child. 2973 29742007-10-05 Roland McGrath <roland@redhat.com> 2975 2976 * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections. 2977 2978 * libdw.h (__extern_inline): Rename to __libdw_extern_inline. 2979 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses. 2980 29812007-10-03 Roland McGrath <roland@redhat.com> 2982 2983 * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf 2984 and dwfl_build_id_find_debuginfo. 2985 2986 * libdw.map (ELFUTILS_0.130): New version set, inherits from 2987 ELFUTILS_0.127. Add dwfl_module_build_id, dwfl_module_report_build_id. 2988 29892007-10-02 Roland McGrath <roland@redhat.com> 2990 2991 * libdw_visit_scopes.c (classify_die): Return walk for class_type and 2992 structure_type. 2993 29942007-08-07 Roland McGrath <roland@redhat.com> 2995 2996 * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when 2997 error code is DWARF_E_NOERROR (0). 2998 2999 * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune. 3000 Fix typo in __libdw_visit_scopes argument. 3001 3002 * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return, 3003 swallow DWARF_E_NO_DEBUG_RANGES but not other errors. 3004 30052007-07-03 Roland McGrath <roland@redhat.com> 3006 3007 * libdw.h (__extern_inline): New macro. 3008 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it. 3009 30102007-04-16 Roland McGrath <roland@redhat.com> 3011 3012 * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section. 3013 30142007-04-05 Roland McGrath <roland@redhat.com> 3015 3016 * dwarf_getsrcdirs.c: New file. 3017 * Makefile.am (libdw_a_SOURCES): Add it. 3018 * libdw.h: Declare dwarf_getsrcdirs. 3019 * libdw.map (ELFUTILS_0.127): Add it. 3020 3021 * libdwP.h (struct Dwarf_Files_s): New member ndirs. 3022 * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to 3023 zero before we use it to check for DWARF_E_INVALID_DIR_IDX. 3024 Save DIRARRAY in the Dwarf_Files. 3025 3026 * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN 3027 address to check for all-ones base address entry. Check directly. 3028 Reported by Sébastien Dugué <sebastien.dugue@bull.net>. 3029 30302007-03-25 Roland McGrath <roland@redhat.com> 3031 3032 * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void. 3033 Return NULL when freeing RESULT on error. 3034 (global_read, scngrp_read): Check return value from check_section, 3035 break out of loop after it has freed RESULT. 3036 (valid_p): Handle null argument. 3037 30382007-03-12 Roland McGrath <roland@redhat.com> 3039 3040 * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add. 3041 30422007-03-04 Roland McGrath <roland@redhat.com> 3043 3044 * libdw.map (ELFUTILS_0.127): New version set, inherits from 3045 ELFUTILS_0.126. Add dwfl_module_addrsym. 3046 30472007-02-10 Roland McGrath <roland@redhat.com> 3048 3049 * dwarf.h (DW_OP_fbreg): Comment fix. 3050 30512007-02-03 Roland McGrath <roland@redhat.com> 3052 3053 * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf. 3054 * libdw.map (ELFUTILS_0.126): New version set, inherits from 3055 ELFUTILS_0.122. Move dwarf_getelf there; it was never truly 3056 exported in the past. 3057 30582006-12-17 Roland McGrath <roland@redhat.com> 3059 3060 * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base 3061 address when the CU is missing attributes due to buggy GCC. 3062 30632006-08-29 Roland McGrath <roland@redhat.com> 3064 3065 * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION). 3066 3067 * libdw.h (dwarf_diecu): Add __nonnull_attribute__. 3068 (dwarf_child): Don't list arg 1 in __nonnull_attribute__. 3069 3070 * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure 3071 result is aligned. Adjust NEWP->remaining here for this allocation. 3072 * libdwP.h: Update decl. 3073 (libdw_alloc): Update caller. 3074 30752006-07-12 Ulrich Drepper <drepper@redhat.com> 3076 3077 * dwarf_child.c: Adjust for internal_function_def removal. 3078 * dwarf_getabbrev.c: Likewise. 3079 * dwarf_tag.c: Likewise. 3080 * libdw_form.c: Likewise. 3081 * memory-access.c: Likewise. 3082 30832006-06-28 Roland McGrath <roland@redhat.com> 3084 3085 * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir. 3086 3087 * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and 3088 dwfl_module_getsym. 3089 30902006-05-27 Ulrich Drepper <drepper@redhat.com> 3091 3092 * libdw.h: Add extern "C". 3093 30942006-05-22 Ulrich Drepper <drepper@redhat.com> 3095 3096 * dwarf_getaranges.c (dwarf_getaranges): Handle files without 3097 aranges information. 3098 30992006-05-21 Ulrich Drepper <drepper@redhat.com> 3100 3101 * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs, 3102 dwarf_haschildren. 3103 31042006-02-28 Roland McGrath <roland@redhat.com> 3105 3106 * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*, 3107 DW_OP_* values, to match DWARF 3.0. Add new DW_DS_*, DW_END_* 3108 values from DWARF 3.0. 3109 31102006-02-22 Roland McGrath <roland@redhat.com> 3111 3112 * libdw.map: Bump to 0.120; export dwfl_version. 3113 31142005-12-22 Roland McGrath <roland@redhat.com> 3115 3116 * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report. 3117 31182005-12-12 Roland McGrath <roland@redhat.com> 3119 3120 * dwarf_ranges.c: Copy CU base address-finding code from 3121 dwarf_getlocation. 3122 31232005-12-09 Roland McGrath <roland@redhat.com> 3124 3125 * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys. 3126 Delay CU base lookup until it's needed. 3127 If CU base lookup fails with no error, flag invalid DWARF. 3128 31292005-11-25 Roland McGrath <roland@redhat.com> 3130 3131 * libdw.map: Bump to 0.118; export dwfl_module_register_names. 3132 31332005-11-15 Roland McGrath <roland@redhat.com> 3134 3135 * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic. 3136 31372005-11-13 Roland McGrath <roland@redhat.com> 3138 3139 * libdw.map: Bump to 0.117; export dwfl_module_return_value_location. 3140 31412005-10-27 Roland McGrath <roland@redhat.com> 3142 3143 * dwarf_entry_breakpoints.c (search_range): Fix binary search code; 3144 don't match end_sequence markers. 3145 3146 * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers 3147 before normal records at the same address. 3148 * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence 3149 marker. 3150 31512005-10-26 Roland McGrath <roland@redhat.com> 3152 3153 * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func. 3154 * dwarf_func_file.c: Renamed to ... 3155 * dwarf_decl_file.c: ... here. 3156 * dwarf_func_col.c: Renamed to ... 3157 * dwarf_decl_column.c: ... here. 3158 * dwarf_func_line.c: Renamed to ... 3159 * dwarf_decl_line.c: ... here. 3160 (dwarf_func_line): Renamed to ... 3161 (dwarf_decl_line): ... this. Take a Dwarf_Die * argument. 3162 (__libdw_func_intval): Renamed __libdw_attr_intval. 3163 * dwarf_func_name.c: File removed. 3164 * dwarf_func_lowpc.c: File removed. 3165 * dwarf_func_highpc.c: File removed. 3166 * dwarf_func_entrypc.c: File removed. 3167 * dwarf_func_die.c: File removed. 3168 * Makefile.am (libdw_a_SOURCES): Updated. 3169 * libdw.h: Update decls. 3170 (Dwarf_Func): Type removed. 3171 * libdwP.h: Update decls. 3172 (struct Dwarf_Func_s): Type removed. 3173 * libdw.map: Updated. 3174 3175 * libdwP.h (CUDIE): New macro. 3176 * dwarf_getlocation.c (dwarf_getlocation_addr): Use it. 3177 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise. 3178 * dwarf_ranges.c (dwarf_ranges): Likewise. 3179 3180 * dwarf_getloclist.c: Renamed to ... 3181 * dwarf_getlocation.c: ... here. 3182 (getloclist): Renamed to getlocation. 3183 (dwarf_getloclist): Renamed to dwarf_getlocation. 3184 (dwarf_addrloclists): Renamed to dwarf_getlocation_addr. 3185 * Makefile.am (libdw_a_SOURCES): Updated. 3186 * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation. 3187 (dwarf_addrloclists): Renamed dwarf_getlocation_addr. 3188 (Dwarf_Loc): Renamed Dwarf_Op. 3189 * libdwP.h (struct loc_s): Update use. 3190 * libdw.map: Update map. 3191 3192 * dwarf_entry_breakpoints.c: Use the second line record within the 3193 function, regardless of its source location data. 3194 31952005-10-25 Roland McGrath <roland@redhat.com> 3196 3197 * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too. 3198 3199 * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints. 3200 32012005-10-14 Roland McGrath <roland@redhat.com> 3202 3203 * dwarf_diecu.c (dwarf_diecu): New file. 3204 * Makefile.am (libdw_a_SOURCES): Add it. 3205 * libdw.h: Declare dwarf_diecu. 3206 * libdw.map: Export it. 3207 3208 * libdw.map: Bump to 0.116; export dwarf_ranges. 3209 32102005-09-20 Roland McGrath <roland@redhat.com> 3211 3212 * dwarf_haspc.c: Use dwarf_ranges. 3213 * dwarf_entry_breakpoints.c: Likewise. 3214 3215 * dwarf_ranges.c: New file. 3216 * Makefile.am (libdw_a_SOURCES): Add it. 3217 * libdw.h: Declare dwarf_ranges. 3218 * libdwP.h: Add INTDECL. 3219 32202005-09-14 Roland McGrath <roland@redhat.com> 3221 3222 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in 3223 prologue_end marker scanning loop. 3224 32252005-09-11 Roland McGrath <roland@redhat.com> 3226 3227 * dwarf.h: Comment typo fix. 3228 32292005-09-07 Roland McGrath <roland@redhat.com> 3230 3231 * dwarf_entry_breakpoints.c: New file. 3232 * Makefile.am (libdw_a_SOURCES): Add it. 3233 * libdw.h: Declare dwarf_entry_breakpoints. 3234 3235 * dwarf_entrypc.c: New file. 3236 * Makefile.am (libdw_a_SOURCES): Add it. 3237 * libdw.h: Declare dwarf_entrypc. 3238 * libdwP.h: Add INTDECL. 3239 32402005-08-28 Ulrich Drepper <drepper@redhat.com> 3241 3242 * Makefile.am: Use $(LINK) not $(CC) when creating DSO. 3243 (%.os): Use COMPILE.os. 3244 (COMPILE.os): Filter out gconv options. 3245 32462005-08-27 Roland McGrath <roland@redhat.com> 3247 3248 * dwarf_getscopes.c (dwarf_getscopes): Rewritten using 3249 __libdw_visit_scopes. 3250 3251 * dwarf_getscopes_die.c: New file. 3252 * Makefile.am (libdw_a_SOURCES): Add it. 3253 * libdw.h: Declare dwarf_getscopes_die. 3254 * libdw.map: Bump to 0.115 and add it. 3255 3256 * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct 3257 containing a DIE and its parent pointer, instead of just Dwarf_Die. 3258 Take two functions for both preorder and postorder visitors. 3259 * libdwP.h: Update decl. 3260 (struct Dwarf_Die_Chain): New type. 3261 * dwarf_func_inline.c: Update uses. 3262 3263 * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate. 3264 Add INTDEF. 3265 * libdwP.h: Add INTDECL. 3266 * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename. 3267 32682005-08-23 Roland McGrath <roland@redhat.com> 3269 3270 * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat 3271 DW_AT_specification the same as DW_AT_abstract_origin. 3272 32732005-08-20 Roland McGrath <roland@redhat.com> 3274 3275 * libdw.map: Add dwfl_cumodule, remove dwfl_linecu. 3276 Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address, 3277 and dwfl_report_offline. 3278 32792005-08-19 Roland McGrath <roland@redhat.com> 3280 3281 * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes. 3282 Add dwfl_module_relocate_address, dwfl_module_relocations, 3283 dwfl_module_relocation_info. 3284 32852005-08-18 Roland McGrath <roland@redhat.com> 3286 3287 * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as 3288 outermost scope in the results. 3289 32902005-08-15 Roland McGrath <roland@redhat.com> 3291 3292 * dwarf_func_inline.c: New file. 3293 * Makefile.am (libdw_a_SOURCES): Add it. 3294 * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances. 3295 * libdw.map: Add them. 3296 3297 * dwarf_func_die.c: New file. 3298 * Makefile.am (libdw_a_SOURCES): Add it. 3299 * libdw.h: Declare dwarf_func_die. 3300 * libdw.map: Add it. Bump version to ELFUTILS_0.114. 3301 33022005-08-10 Ulrich Drepper <drepper@redhat.com> 3303 3304 * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming 3305 of DW_LNS_set_epilog_begin. 3306 33072005-08-09 Roland McGrath <roland@redhat.com> 3308 3309 * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin. 3310 3311 * dwarf_end.c: Add INTDEF. 3312 * dwarf_error.c (dwarf_errmsg): Likewise. 3313 * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs. 3314 33152005-08-01 Roland McGrath <roland@redhat.com> 3316 3317 * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset. 3318 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise. 3319 33202005-07-28 Ulrich Drepper <drepper@redhat.com> 3321 3322 * Makefile.am (libdw.so): No need to link with libeu.a anymore. 3323 (libdw_a_LIBADD): Add all files from libdwfl.a. 3324 33252005-07-27 Roland McGrath <roland@redhat.com> 3326 3327 * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in, 3328 along with ../libebl/libebl.a and ../lib/libeu.a; 3329 depend on ../libelf/libelf.so. 3330 (libdw_so_LDADD): New variable. 3331 * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map. 3332 3333 * libdw.map: Define an empty base version and move all symbols to 3334 version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet. 3335 33362005-07-23 Ulrich Drepper <drepper@redhat.com> 3337 3338 * dwarf_error.c: Add internal alias for dwarf_errno. 3339 * libdwP.h: Declare __dwarf_errno_internal. 3340 * dwarf_getloclist.c: Use INTDEF for dwarf_errno. 3341 3342 * dwarf_error.c [USE_TLS]: Actually use __thread in definition of 3343 global_error. 3344 33452005-06-01 Roland McGrath <roland@redhat.com> 3346 3347 * dwarf_getaranges.c (dwarf_getaranges): Sort result array. 3348 * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search. 3349 33502005-06-08 Roland McGrath <roland@redhat.com> 3351 3352 * memory-access.h (get_uleb128_step, get_uleb128): Remove casts. 3353 (get_sleb128_step, get_sleb128): Likewise. 3354 * dwarf_getattrs.c (dwarf_getattrs): Add consts. 3355 * dwarf_getloclist.c (getloclist): Likewise. 3356 * dwarf_formblock.c (dwarf_formblock): Likewise. 3357 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 3358 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise. 3359 * dwarf_formref.c (dwarf_formref): Likewise. 3360 * dwarf_formsdata.c (dwarf_formsdata): Likewise. 3361 * dwarf_formudata.c (dwarf_formudata): Likewise. 3362 * dwarf_haschildren.c (dwarf_haschildren): Likewise. 3363 * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise. 3364 * dwarf_tag.c (dwarf_tag): Likewise. 3365 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise. 3366 * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise. 3367 * libdw_form.c (__libdw_form_val_len): Likewise. 3368 * libdwP.h: Update decl. 3369 33702005-06-04 Roland McGrath <roland@redhat.com> 3371 3372 * memory-access.h (get_uleb128_rest_return): New macro. 3373 [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it. 3374 (get_sleb128_rest_return): New macro. 3375 [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it. 3376 * memory-access.c: New file. 3377 * Makefile.am (libdw_a_SOURCES): Add it. 3378 (DEFS): Add -DIS_LIBDW. 3379 33802005-05-31 Roland McGrath <roland@redhat.com> 3381 3382 * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to 3383 formref offset. 3384 33852005-05-30 Roland McGrath <roland@redhat.com> 3386 3387 * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base 3388 address if DW_AT_low_pc is missing. Not to spec, but GCC generates it. 3389 3390 * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte 3391 BEGIN value. Instead, match base address entries separately for 3392 32/64 size cases. 3393 33942005-05-28 Roland McGrath <roland@redhat.com> 3395 3396 * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance 3397 past location expression contents. 3398 33992005-05-23 Roland McGrath <roland@redhat.com> 3400 3401 * dwarf_getsrclines.c: Comment typo fix. 3402 3403 * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation. 3404 * dwarf_getloclist.c (dwarf_addrloclists): Likewise. 3405 34062005-05-22 Ulrich Drepper <drepper@redhat.com> 3407 3408 * libdwP.h: Only use INTDECL for alias prototypes. 3409 34102005-05-19 Roland McGrath <roland@redhat.com> 3411 3412 * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too. 3413 3414 * dwarf_getscopevar.c: New file. 3415 * Makefile.am (libdw_a_SOURCES): Add it. 3416 * libdw.h: Declare dwarf_getscopevar. 3417 3418 * dwarf_getsrcfiles.c: Add INTDEF. 3419 * dwarf_haschildren.c: Likewise. 3420 * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL. 3421 3422 * dwarf_getscopes.c: New file. 3423 * Makefile.am (libdw_a_SOURCES): Add it. 3424 * libdw.h: Declare dwarf_getscopes. 3425 * libdw.map: Add it. 3426 34272005-05-18 Roland McGrath <roland@redhat.com> 3428 3429 * libdwP.h (IDX_debug_ranges): New enum constant. 3430 * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges". 3431 * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant. 3432 * dwarf_error.c (errmsgs): Add it. 3433 * dwarf_haspc.c: New file. 3434 * libdw.h: Declare dwarf_haspc. 3435 * libdw.map: Add it. 3436 * libdwP.h: Add INTDECL. 3437 3438 * dwarf_attr_integrate.c: New file. 3439 * dwarf_hasattr_integrate.c: New file. 3440 * Makefile.am (libdw_a_SOURCES): Add them. 3441 * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate. 3442 * libdw.map: Add them. 3443 3444 * dwarf_hasattr.c: Add INTDEF. 3445 * libdwP.h: Add INTDECL for it. 3446 3447 * dwarf_formref_die.c: New file. 3448 * Makefile.am (libdw_a_SOURCES): Add it. 3449 * libdw.h (dwarf_formref_die): Declare it. 3450 * libdwP.h (dwarf_formref_die): Add INTDECL. 3451 * libdw.map: Add it. 3452 3453 * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out 3454 of ... 3455 (dwarf_getloclist): ... here. Call them. 3456 (dwarf_addrloclists): New function. 3457 * libdw.h: Declare it. 3458 * libdw.map: Add it. 3459 3460 * dwarf_getmacros.c (dwarf_getmacros): Don't bail at 3461 DW_MACINFO_end_file. Recognize type 0 as terminator. 3462 34632005-05-05 Roland McGrath <roland@redhat.com> 3464 3465 * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search. 3466 3467 * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since 3468 the line program does not produce all entries in ascending order. 3469 34702005-04-25 Ulrich Drepper <drepper@redhat.com> 3471 3472 * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple 3473 occurences (e.g., inlines) better. 3474 34752005-04-24 Ulrich Drepper <drepper@redhat.com> 3476 3477 * libdw.h (DWARF_END_ABBREV): Define. 3478 * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if 3479 end is reached. 3480 * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end 3481 of records reached. 3482 * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV 3483 as error of __libdw_getabbrev. 3484 34852005-04-04 Ulrich Drepper <drepper@redhat.com> 3486 3487 * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization. 3488 3489 * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of 3490 results back to caller. 3491 34922005-04-04 Roland McGrath <roland@redhat.com> 3493 3494 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL. 3495 3496 * dwarf_func_line.c (__libdw_func_intval): Use internal_function in 3497 defn. 3498 34992005-04-04 Ulrich Drepper <drepper@redhat.com> 3500 3501 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE. 3502 3503 * dwarf_getsrc_file.c: New file. 3504 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c. 3505 * libdw.h: Declare dwarf_getsrc_file. 3506 * libdw.map: Add dwarf_getsrc_file. 3507 35082005-04-02 Ulrich Drepper <drepper@redhat.com> 3509 3510 * dwarf_func_entrypc.c: New file. 3511 * dwarf_func_col.c: New file. 3512 * dwarf_func_line.c: New file. 3513 * dwarf_func_file.c: New file. 3514 * libdw.h: Add prototypes for new functions. 3515 * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line, 3516 dwarf_func_file. 3517 * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c, 3518 dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c. 3519 * libdwP.h (struct Dwarf_Func_s): Add cudie element. 3520 Declare __libdw_func_intval and __dwarf_formsdata_internal. 3521 * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object. 3522 * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs. 3523 3524 * dwarf.h: Add some DWARF3 definitions. 3525 35262005-04-01 Ulrich Drepper <drepper@redhat.com> 3527 3528 * dwarf_getfuncs.c: New file. 3529 * dwarf_func_highpc.c: New file. 3530 * dwarf_func_lowpc.c: New file. 3531 * dwarf_func_name.c: New file. 3532 * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c, 3533 dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c. 3534 * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc, 3535 and dwarf_func_name. 3536 * libdw.h: Add prototypes for new functions. 3537 * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs. 3538 * dwarf_siblingof.c: Likewise. 3539 * dwarf_dieoffset.c: Likewise. 3540 * dwarf_highpc.c: Likewise. 3541 * dwarf_lowpc.c: Likewise. 3542 * libdwP.h: Add prototypes for internal functions. 3543 Define Dwarf_Func_s structure. 3544 35452005-03-29 Ulrich Drepper <drepper@redhat.com> 3546 3547 * libdw.h: Add padding in Dwarf_die. 3548 3549 * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs. 3550 * dwarf_attr.c: Likewise. 3551 * dwarf_begin.c: Likewise. 3552 * dwarf_begin_elf.c: Likewise. 3553 * dwarf_bitoffset.c: Likewise. 3554 * dwarf_bitsize.c: Likewise. 3555 * dwarf_bytesize.c: Likewise. 3556 * dwarf_diename.c: Likewise. 3557 * dwarf_formaddr.c: Likewise. 3558 * dwarf_formblock.c: Likewise. 3559 * dwarf_formref.c: Likewise. 3560 * dwarf_formstring.c: Likewise. 3561 * dwarf_formudata.c: Likewise. 3562 * dwarf_getarange_addr.c: Likewise. 3563 * dwarf_getarangeinfo.c: Likewise. 3564 * dwarf_getaranges.c: Likewise. 3565 * dwarf_getloclist.c: Likewise. 3566 * dwarf_getmacros.c: Likewise. 3567 * dwarf_getsrc_die.c: Likewise. 3568 * dwarf_getsrcfiles.c: Likewise. 3569 * dwarf_getsrclines.c: Likewise. 3570 * dwarf_highpc.c: Likewise. 3571 * dwarf_lowpc.c: Likewise. 3572 * dwarf_nextcu.c: Likewise. 3573 * dwarf_offdie.c: Likewise. 3574 * dwarf_siblingof.c: Likewise. 3575 * dwarf_srclang.c: Likewise. 3576 * dwarf_tag.c: Likewise. 3577 * libdw_findcu.c: Likewise. 3578 * libdwP.h: Add prototypes for internal functions. 3579 3580 * dwarf_addrdie.c: New file. 3581 * dwarf_macro_opcode.c: New file. 3582 * dwarf_macro_param1.c: New file. 3583 * dwarf_macro_param2.c: New file. 3584 * libdw.h: Add declarations. Move Dwarf_Macro definition to libdwP.h. 3585 * libdwP.h: Remove Dwarf_Macro definition. 3586 * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c, 3587 dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c. 3588 * libdw.map: Add entries for new functions. 3589 35902005-03-21 Ulrich Drepper <drepper@redhat.com> 3591 3592 * libdw.h: Handle broken gcc < 4. 3593 35942005-02-15 Ulrich Drepper <drepper@redhat.com> 3595 3596 * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2. 3597 3598 * dwarf_begin_elf.c: Fix warnings. 3599 * dwarf_dieoffset.c: Likewise. 3600 * dwarf_end.c: Likewise. 3601 * dwarf_error.c: Likewise. 3602 * dwarf_getpubnames.c: Likewise. 3603 3604 * libdwP.h: Add new error values. 3605 * dwarf_error.c: Support new error values. 3606 * dwarf_getpubnames.c: Check parameter value. 3607 36082005-02-05 Ulrich Drepper <drepper@redhat.com> 3609 3610 * Makefile.am: Check for text relocations in constructed DSO. 3611 3612 * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap. 3613 36142005-02-04 Ulrich Drepper <drepper@redhat.com> 3615 3616 * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary 3617 checks to not read over buffer boundaries for ill-formed DWARF data. 3618 36192004-09-25 Ulrich Drepper <drepper@redhat.com> 3620 3621 * dwarf_child.c: Make compile with gcc 4.0. 3622 * dwarf_error.c: Likewise. 3623 * dwarf_formblock.c: Likewise. 3624 * dwarf_getabbrev.c: Likewise. 3625 * dwarf_getattrs.c: Likewise. 3626 * dwarf_getsrclines.c: Likewise. 3627 * dwarf_tag.c: Likewise. 3628 * libdw_form.c: Likewise. 3629 36302004-01-20 Ulrich Drepper <drepper@redhat.com> 3631 3632 * Makefile.am: Support building with mudflap. 3633 3634 * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out. 3635 * dwarf_getsrclines.c: Likewise. 3636 * dwarf_memory-access.h: Likewise. 3637 36382004-01-19 Ulrich Drepper <drepper@redhat.com> 3639 3640 * dwarf_getsrcfiles.c: Third parameter can be NULL. 3641 3642 * libdw.h: Define Dwarf_macro. Declare dwarf_getmacros. 3643 Third parameter of dwarf_getsrcfiles can be NULL. 3644 3645 * libdw.map: Add dwarf_getmacros. 3646 * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros. 3647 * dwarf_getmacros.c: New file. 3648 36492004-01-18 Ulrich Drepper <drepper@redhat.com> 3650 3651 * libdw.h: Second parameter of dwarf_getaranges can be NULL. 3652 3653 * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL. 3654 3655 * dwarf_getsrclines.c: 3656 Use read_2ubyte_unaligned_inc instead of _inc-less variant. 3657 3658 * dwarf_getaranges.c: Allow naranges parameter to be NULL. 3659 3660 * libdwP.h (_): Use elfutils domain. 3661 3662 * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction. 3663 3664 * dwarf_getsrclines.c: Fix typo in comment. 3665 36662004-01-17 Ulrich Drepper <drepper@redhat.com> 3667 3668 * Makefile.am: Support building with mudflap. 3669 36702004-01-16 Ulrich Drepper <drepper@redhat.com> 3671 3672 * memory-access.h: Add lots of const in case a pointer passed is const. 3673 3674 * dwarf_formflag.c: New file. 3675 * dwarf_getattrs.c: New file. 3676 * dwarf_error.c: Add new error value. 3677 * libdw.h: Add prototypes for new functions. Adjust prototype for 3678 dwarf_getpubnames. 3679 * libdw.map: Add new functions. 3680 * dwarf_getpubnames.c: Change type of return value and fourth parameter 3681 to ptrdiff_t. 3682 * libdwP.h: Add new error value. 3683 * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and 3684 dwarf_formflag.c. 3685 3686 * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL. 3687 36882004-01-12 Ulrich Drepper <drepper@redhat.com> 3689 3690 * dwarf_getarange_addr.c: New file 3691 * dwarf_getarangeinfo.c: New file. 3692 * dwarf_getaranges.c: New file. 3693 * dwarf_onerange.c: New file. 3694 * libdw.h: Declare new functions. Define Dwarf_Arange and 3695 Dwarf_Aranges. 3696 * libdw.map: Add new functions. 3697 * libdwP.h: Add new errors. Add aranges member to struct Dwarf. 3698 Define Dwarf_Aranges_s and Dwarf_Arange_s. 3699 * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c, 3700 dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c. 3701 * dwarf_error.c: Add new message. 3702 37032004-01-11 Ulrich Drepper <drepper@redhat.com> 3704 3705 * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c, 3706 dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c, 3707 dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c. 3708 * dwarf_error.c: Add another message. 3709 * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines 3710 introduction. 3711 * dwarf_filesrc.c: Likewise. 3712 * dwarf_getsrcfiles.c: Likewise. 3713 * dwarf_getsrclines.c: Likewise. 3714 * dwarf_lineaddr.c: New file. 3715 * dwarf_linebeginstatement.c: New file. 3716 * dwarf_lineblock.c: New file. 3717 * dwarf_linecol.c: New file. 3718 * dwarf_lineendsequence.c: New file. 3719 * dwarf_lineepiloguebegin.c: New file. 3720 * dwarf_lineno.c: New file. 3721 * dwarf_lineprologueend.c: New file. 3722 * dwarf_onesrcline.c: New file. 3723 * dwarf_lineno.c: Change interface to store result in object pointed 3724 to by second parameter. 3725 * libdw.h: Add prototypes for new functions. Change dwarf_lineno 3726 prototype. Define Dwarf_Files and Dwarf_Lines. 3727 * libdw.map: Add new functions. 3728 * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s. 3729 * libdw_findcu.c: Don't initialize nlines field. 3730 3731 * dwarf_siblingof: Little optimization. 3732 3733 * dwarf_begin.c: Remember that the ELF descriptor must be closed. 3734 * dwarf_end.c: Close ELF descriptor if free_elf is set. 3735 * libdwP.h (struct Dwarf): Add free_elf field. 3736 3737 * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and 3738 dwarf_offabbrev.c. 3739 * dwarf_getstring.c: New file. 3740 * dwarf_offabbrev.c: New file. 3741 * libdw.map: Add dwarf_getstring and dwarf_offabbrev. 3742 * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result 3743 parameters. Don't allocate memory if not necessary and don't lookup 3744 previous results if no CU given. 3745 (dwarf_getabbrev): Adjust call to __libdw_getabbrev. 3746 * dwarf_tag.c: Adjust call to __libdw_getabbrev. 3747 * libdw.h: Declare dwarf_offabbrev and dwarf_getstring. 3748 * libdwP.h: Change prototype for __libdw_getabbrev. 3749 3750 * dwarf_getabbrevattr.c: Add offsetp parameter. Fill in before 3751 returning if this is wanted. 3752 37532004-01-09 Ulrich Drepper <drepper@redhat.com> 3754 3755 * dwarf_nextcu.c: Add new parameter offset_sizep. Initialize it 3756 with offset_size value. 3757 * libdw.h: Adjust dwarf_nextcu prototype. 3758 * libdwP.h (struct Dwarf_CU): Add offset_size member. 3759 * libdw_findcu.c: Adjust dwarf_nextcu call. Initialize offset_size 3760 member of new CU struct. 3761 * dwarf_formstring.c: Depend on offset_size not address_size for 3762 DW_FORM_strp handling. 3763 * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr. 3764 3765 * dwarf_tag.c (__libdw_findabbrev): Return correct value for 3766 failing lookup. 3767 (dwarf_tag): Correctly recognize failed lookup. 3768 3769 * dwarf_end.c (cu_free): Call tdestroy for locs member. Use new 3770 function noop_free. 3771 * dwarf_error.c: Add message for DWARF_E_NO_BLOCK. 3772 * dwarf_formblock.c: New file. 3773 * dwarf_getloclist.c: Rewrite to handle a single block. 3774 * libdw.h: Define Dwarf_Block. Rename Dwarf_Loc members. Remove 3775 Dwarf_Locdesc definition. Declare dwarf_formblock. Remove 3776 dwarf_getloclistent declaration. 3777 * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent. 3778 * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK. 3779 Add locs member to struct Dwarf_CU. 3780 * libdw_fundcu.c: Initialize locs member of new CU. 3781 * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c. 3782 Remove dwarf_getloclistent.c. 3783 37842004-01-07 Ulrich Drepper <drepper@redhat.com> 3785 3786 * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3. 3787 * libdwP.h: Likewise. 3788 3789 * dwarf_getloclist.c: New file. 3790 * dwarf_getloclistent.c: New file. 3791 * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc. 3792 Declare dwarf_getloclistent and dwarf_getloclist. 3793 * libdw.map: Add dwarf_getloclistent and dwarf_getloclist. 3794 * libdwP.h: Define DWARF_E_NO_LOCLIST. 3795 * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and 3796 dwarf_getloclist.c. 3797 3798 * dwarf_error.c: More error messages. 3799 38002004-01-06 Ulrich Drepper <drepper@redhat.com> 3801 3802 * dwarf_getsrclines.c: Remove debugging support. 3803 3804 * dwarf_getsrcfiles.c: New file. 3805 * dwarf_filesrc.c: New file. 3806 * libdw.h: Declare these functions. Define Dwarf_File. 3807 * libdwP.c: Adjust Dwarf_File_s definition. 3808 * libdw.map: Add these functions. 3809 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and 3810 dwarf_filesrc.c. 3811 * dwarf_getsrclines.c: Initialize cu->files. 3812 38132004-01-05 Ulrich Drepper <drepper@redhat.com> 3814 3815 * libdw.h: Add more nonnull function attributes. 3816 3817 * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next. 3818 * dwarf_end.c (cu_free): New function. 3819 (dwarf_end): Also free CU tree. Correct freeing of memory blocks. 3820 * dwarf_error.c (errmsgs): Add new messages. 3821 * dwarf_getsrc_die.c: New file. 3822 * dwarf_getsrclines.c: New file. 3823 * dwarf_lineno.c: New file. 3824 * dwarf_linesrc.c: New file. 3825 * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc 3826 instead of the *_inc-less variants. 3827 * libdw.h: Define Dwarf_Line. Add some function attributes. Declare 3828 dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc. 3829 * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, 3830 and dwarf_linesrc. 3831 * libdwP.h: Add more error codes. 3832 (struct Dwarf): Remove mem_tail.next member. 3833 (Dwarf_File): Define type. 3834 (struct Dwarf_Line_s): Define type. 3835 (struct Dwarf_CU): Add lines and nlines members. 3836 (libdw_alloc): Define local variable _tail and use it. 3837 Add some function attributes. 3838 * libdw_alloc.c (__libdw_allocate): Don't initialize next member. 3839 * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members. 3840 * memory-access.h: Add unlikely for the endian conversion paths. 3841 * Makefile.am (AM_CFLAGS): Add -std parameter. 3842 (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die, 3843 dwarf_lineno, and dwarf_linesrc. 3844 38452003-08-11 Ulrich Drepper <drepper@redhat.com> 3846 3847 * Moved to CVS archive. 3848