12020-12-20 Dmitry V. Levin <ldv@altlinux.org> 2 3 * .gitignore: New file. 4 52020-12-16 Dmitry V. Levin <ldv@altlinux.org> 6 7 * libdwP.h (_): Remove. 8 92020-12-12 Dmitry V. Levin <ldv@altlinux.org> 10 11 * dwarf.h: Fix spelling typo in comment. 12 * dwarf_begin_elf.c (dwarf_begin_elf): Likewise. 13 * dwarf_getlocation.c (attr_ok, __libdw_intern_expression): Likewise. 14 * dwarf_getsrclines.c (read_srclines): Likewise. 15 * libdw.h: Fix spelling typos in comments. 16 * libdwP.h: Likewise. 17 182020-12-09 Dmitry V. Levin <ldv@altlinux.org> 19 20 * Makefile.am (noinst_PROGRAMS): Rename to noinst_DATA. 21 (libdw_so_SOURCES): Remove. 22 (MOSTLYCLEANFILES): Add libdw.so. 23 242020-11-30 Dmitry V. Levin <ldv@altlinux.org> 25 26 * Makefile.am (libdw.so$(EXEEXT)): Drop $(EXEEXT) suffix. 27 282020-11-01 Érico N. Rolim <erico.erc@gmail.com> 29 30 * Makefile.am (libdw_so_LDLIBS): Add fts_LIBS. 31 322020-10-28 Tom Tromey <tom@tromey.com> 33 34 PR26773 35 * dwarf_getlocation.c (store_implicit_value): Use 36 __libdw_get_uleb128_unchecked. 37 * memory-access.h (get_sleb128_step): Assume unsigned type for 38 'var'. 39 (__libdw_get_sleb128, __libdw_get_sleb128_unchecked): Work in 40 unsigned type. Handle final byte. 41 422020-10-19 Mark Wielaard <mark@klomp.org> 43 44 * dwarf_frame_register.c (dwarf_frame_register): Declare ops_mem 45 as array of (at least) 3 elements. 46 * libdw.h (dwarf_frame_register): Add extra explanation of ops_mem 47 argument. 48 492020-10-23 Tom Tromey <tom@tromey.com> 50 51 * memory-access.h (read_3ubyte_unaligned_inc): Call 52 read_3ubyte_unaligned. 53 542020-09-03 Mark Wielaard <mark@klomp.org> 55 56 * dwarf.h: Add DW_CFA_AARCH64_negate_ra_state. 57 * cfi.h (struct Dwarf_CFI_s): Add e_machine field. 58 * cfi.c (execute_cfi): Recognize, but ignore 59 DW_CFA_AARCH64_negate_ra_state on aarch64. 60 * dwarf_getcfi.c (dwarf_getcfi): Set cfi e_machine. 61 * dwarf_getcfi_elf.c (allocate_cfi): Take ehdr as argument and set 62 cfi e_machine. 63 (getcfi_gnu_eh_frame): Pass ehdr to allocate_cfi. 64 (getcfi_scn_eh_frame): Likewise. 65 662020-09-03 Mark Wielaard <mark@klomp.org> 67 68 * libdw.map (ELFUTILS_0.126): Remove local wildcard. 69 (ELFUTILS_0.127): Likewise. 70 (ELFUTILS_0.130): Likewise. 71 (ELFUTILS_0.136): Likewise. 72 (ELFUTILS_0.138): Likewise. 73 742020-08-25 Mark Wielaard <mark@klomp.org> 75 76 * dwarf_getlocation.c (check_constant_offset): Rename to... 77 (is_constant_offset): .. this. 78 792020-06-28 Mark Wielaard <mark@klomp.org> 80 81 * linux-kernel-modules.c (intuit_kernel_bounds): Check read_address 82 returns an increasing address when searching for end. 83 842020-06-16 Mark Wielaard <mark@klomp.org> 85 86 * cfi.c (execute_cfi): Add missing FALLTHROUGH. 87 882020-05-08 Mark Wielaard <mark@klomp.org> 89 90 * libdw_visit_scopes.c (walk_children): Don't recurse into imported 91 DW_TAG_compile_units. 92 932020-05-08 Mark Wielaard <mark@klomp.org> 94 95 * dwarf_decl_file.c (dwarf_decl_file): Use attr CU instead of DIE 96 CU to resolve file name. 97 * dwarf_ranges.c(dwarf_ranges): Document which CU we use when. 98 * libdw.h (dwarf_attr_integrate): Extend documentation. 99 1002020-04-25 Mark Wielaard <mark@klomp.org> 101 102 * libdw_alloc.c (__libdw_alloc_tail): Call Dwarf oom_handler() 103 when malloc fails. 104 1052020-04-17 Mark Wielaard <mark@klomp.org> 106 107 * dwarf_begin_elf.c (check_section): Handle .gnu.debuglto_ prefix. 108 1092019-10-28 Aaron Merey <amerey@redhat.com> 110 111 * Makefile.am (libdw_so_LDLIBS): Add -ldl for libdebuginfod.so dlopen. 112 1132019-11-10 Mark Wielaard <mark@klomp.org> 114 115 * libdwP.h (libdw_unalloc): New define. 116 (libdw_typed_unalloc): Likewise. 117 (__libdw_thread_tail): New function declaration. 118 * libdw_alloc.c (__libdw_thread_tail): New function. 119 * dwarf_getabbrev.c (__libdw_getabbrev): Call libdw_typed_unalloc 120 when reading invalid data or when hash collission detected. 121 1222019-10-28 Jonathon Anderson <jma14@rice.edu> 123 124 * libdw_alloc.c: Added __libdw_alloc_tail. 125 (__libdw_allocate): Switch to use the mem_tails array. 126 * libdwP.h (Dwarf): Likewise. 127 * dwarf_begin_elf.c (dwarf_begin_elf): Support for above. 128 * dwarf_end.c (dwarf_end): Likewise. 129 * atomics.h: Add support for thread_local. 130 1312019-10-28 Mark Wielaard <mark@klomp.org> 132 133 * dwarf_sig8_hash.h: Include libdw.h. Remove COMPARE. Include 134 dynamicsizehash_concurrent.h. 135 * dwarf_sig8_hash.c: Include dynamicsizehash_concurrent.c. 136 * dwarf_formref_die.c (dwarf_formref_die): Drop NULL argument to 137 Dwarf_Sig8_Hash_find. 138 1392019-08-26 Srđan Milaković <sm108@rice.edu@rice.edu> 140 141 * dwarf_abbrev_hash.{c,h}: Use the *_concurrent hash table. 142 1432019-11-01 Jonathon Anderson <jma14@rice.edu> 144 145 * dwarf_begin_elf.c (valid_p): Switch calloc for malloc for fake CUs. 146 Add explicit initialization of some fields. 147 * dwarf_end.c (cu_free): Add clause to limit freeing of CU internals. 148 1492019-08-26 Jonathon Anderson <jma14@rice.edu> 150 151 * libdw_alloc.c (__libdw_allocate): Added thread-safe stack allocator. 152 * libdwP.h (Dwarf): Likewise. 153 * dwarf_begin_elf.c (dwarf_begin_elf): Support for above. 154 * dwarf_end.c (dwarf_end): Likewise. 155 * Makefile.am: Use -pthread to provide rwlocks. 156 1572019-07-05 Omar Sandoval <osandov@fb.com> 158 159 * Makefile.am (libdw_so_LIBS): Replace libebl.a with libebl_pic.a. 160 Move libebl_pic.a to the beginning so that libdw symbols are resolved. 161 (libdw_so_LDLIBS): Remove -ldl. 162 (libdw.so): Remove -rpath. 163 (libdw_a_LIBADD): Add libebl, libebl_backends, and libcpu objects. 164 1652019-08-25 Jonathon Anderson <jma14@rice.edu> 166 167 * dwarf_getcfi.c (dwarf_getcfi): Set default_same_value to false. 168 1692019-08-12 Mark Wielaard <mark@klomp.org> 170 171 * libdw.map (ELFUTILS_0.177): Add new version of dwelf_elf_begin. 172 1732019-06-28 Mark Wielaard <mark@klomp.org> 174 175 * libdw.map (ELFUTILS_0.177): New section. Add 176 dwelf_elf_e_machine_string. 177 1782019-05-16 Mark Wielaard <mark@klomp.org> 179 180 * dwarf.h: Add DW_AT_GNU_numerator, DW_AT_GNU_denominator and 181 DW_AT_GNU_bias. 182 1832019-04-28 Mark Wielaard <mark@klomp.org> 184 185 * dwarf_siblingof.c (dwarf_siblingof): Don't initialize addr. 186 1872019-04-28 Mark Wielaard <mark@klomp.org> 188 189 * dwarf_getlocation.c (dwarf_getlocation_addr): Call 190 check_constant_offset with llbufs and listlens directly. 191 1922019-04-27 Mark Wielaard <mark@klomp.org> 193 194 * dwarf_getlocation.c (store_implicit_value): Check dbg isn't 195 NULL. 196 1972019-02-02 Mark Wielaard <mark@klomp.org> 198 199 * dwarf_nextcu.c (__libdw_next_unit): Define bytes_end. 200 Check there are enough bytes to read extended length, version 201 and unit. 202 2032019-01-20 Mark Wielaard <mark@klomp.org> 204 205 * dwarf_getsrclines.c (read_srclines): Check terminating NUL byte 206 for dir and file lists. 207 2082018-10-23 Mark Wielaard <mark@klomp.org> 209 210 * dwarf_child.c (__libdw_find_attr): Initialize readp to NULL. 211 * dwarf_getattrs.c (dwarf_getattrs): Initialize die_addr to NULL. 212 2132018-10-20 Mark Wielaard <mark@klomp.org> 214 215 * libdw.map (ELFUTILS_0.175): New section. Add dwelf_elf_begin. 216 2172018-10-29 Milian Wolff <milian.wolff@kdab.com> 218 219 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type != SHT_NOBITS. 220 2212018-09-13 Mark Wielaard <mark@klomp.org> 222 223 * dwarf_begin_elf.c (check_section): Drop ehdr argument, add and 224 use shstrndx argument. 225 (global_read): Likewise. 226 (scngrp_read): Likewise. 227 (dwarf_begin_elf): Call elf_getshdrstrndx. Pass shstrndx to 228 global_read or scngrp_read. 229 2302018-08-18 Mark Wielaard <mark@klomp.org> 231 232 * dwarf_getabbrev.c (__libdw_getabbrev): Continue until both name 233 and form are zero. 234 * dwarf_hasattr.c (dwarf_hasattr): Stop when both name and form 235 are zero. 236 2372018-08-18 Mark Wielaard <mark@klomp.org> 238 239 * dwarf_getaranges.c (dwarf_getaranges.c): Make sure there is enough 240 data to read the address and segment size. 241 2422018-07-04 Ross Burton <ross.burton@intel.com> 243 244 * libdw_alloc.c: Remove error.h include. 245 2462018-06-28 Mark Wielaard <mark@klomp.org> 247 248 * dwarf_next_cfi.c (dwarf_next_cfi): Check whether length is zero. 249 2502018-06-27 Mark Wielaard <mark@klomp.org> 251 252 * dwarf_begin_elf.c (check_section): Allow a single .debug_frame 253 section. 254 2552018-06-26 Mark Wielaard <mark@klomp.org> 256 257 * libdw.h (dwarf_getscn_info): Remove. 258 * libdw.map (ELFUTILS_0.122): Remove dwarf_getscn_info. 259 2602018-06-25 Mark Wielaard <mark@klomp.org> 261 262 * Makefile.am (libdw_a_SOURCES): Add dwarf_next_lines.c. 263 * libdw.h (dwarf_next_lines): New function declaration. 264 * libdw.map (ELFUTILS_0.173): New section. 265 * dwarf_next_lines.c: New files. 266 * dwarf_begin_elf.c (check_section): Don't error out when elf 267 decompression fails. 268 (valid_p): Allow just a single .debug_line section. 269 * dwarf_getsrclines.c (read_srclines): Keep files relative if comp_dir 270 is missing. 271 2722018-06-22 Mark Wielaard <mark@klomp.org> 273 274 * dwarf_nextcu.c (__libdw_next_unit): Set next_off to -1 when it would 275 wrap around. 276 2772018-06-18 Mark Wielaard <mark@klomp.org> 278 279 * dwarf_aggregate_size.c (array_size): New depth argument. Use 280 aggregate_size instead of dwarf_aggregate_size and pass depth. 281 (aggregate_size): New depth argument. Check depth isn't bigger 282 than MAX_DEPTH (256). Pass depth to recursive calls. 283 (dwarf_aggregate_size): ass zero as depth to aggregate_size. 284 2852018-06-18 Mark Wielaard <mark@klomp.org> 286 287 * dwarf_peel_type.c (dwarf_peel_type): Limit modifier chain to 64. 288 2892018-06-18 Mark Wielaard <mark@klomp.org> 290 291 * dwarf_aggregate_size.c (aggregate_size): Check die is not NULL. 292 2932018-06-17 Luiz Angelo Daros de Luca <luizluca@gmail.com> 294 295 * dwarf_getsrclines.c (read_srclines): Intialize filelist early. 296 2972018-06-15 Mark Wielaard <mark@klomp.org> 298 299 * dwarf_getlocation.c (check_constant_offset): Clarify DW_FORM_data16 300 isn't really a constant. 301 (dwarf_getlocation): Don't handle DW_FORM_data16 as block. 302 (dwarf_getlocation_addr): Likewise. 303 (dwarf_getlocations): Likewise. 304 3052018-06-12 Mark Wielaard <mark@klomp.org> 306 307 * memory-access.h (read_3ubyte_unaligned_inc): New define. 308 3092018-06-12 Mark Wielaard <mark@klomp.org> 310 311 * libdw.h (__libdw_dieabbrev): Set die->abbrev to DWARF_END_ABBREV 312 on failure. 313 3142018-06-10 Mark Wielaard <mark@klomp.org> 315 316 * dwarf_attr_integrate.c (dwarf_attr_integrate): Stop after 16 DIE 317 ref chains. 318 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise. 319 3202018-06-08 Mark Wielaard <mark@klomp.org> 321 322 * dwarf_getabbrev.c (dwarf_getabbrev): Check die and offset. 323 3242018-06-08 Mark Wielaard <mark@klomp.org> 325 326 * dwarf_get_units.c (dwarf_get_units): Handle existing error, no 327 dwarf. 328 3292018-06-08 Mark Wielaard <mark@klomp.org> 330 331 * dwarf_getlocation.c (store_implicit_value): Return error when 332 seeing bad DWARF or when tsearch runs out of memory. 333 (__libdw_intern_expression): Report error when store_implicit_value 334 reported an error. 335 3362018-06-08 Mark Wielaard <mark@klomp.org> 337 338 * dwarf_getsrclines.c (read_srclines): Sanity check ndirs and nfiles. 339 3402018-06-08 Mark Wielaard <mark@klomp.org> 341 342 * dwarf_getlocation_attr.c (addr_valp): Set error and return NULL 343 when there is no .debug_addr section. 344 (dwarf_getlocation_attr): If addr_valp returns NULL, then return -1. 345 3462018-06-07 Mark Wielaard <mark@klomp.org> 347 348 * libdw_findcu.c (__libdw_intern_next_unit): Report DWARF_E_VERSION, 349 not DWARF_E_INVALID_DWARF on unknown version. Set address_size and 350 offset_size to 8 when unknown. 351 3522018-06-06 Mark Wielaard <mark@klomp.org> 353 354 * libdwP.h (__libdw_dieabbrev): Check DIE addr falls in cu. 355 3562018-06-06 Mark Wielaard <mark@klomp.org> 357 358 * dwarf_getlocation_die.c (dwarf_getlocation_die): Check offset 359 falls inside cu data. 360 3612018-06-05 Mark Wielaard <mark@klomp.org> 362 363 * dwarf_getsrclines.c (read_srclines): Explicitly set diridx to -1 364 in case dwarf_formudata fails. 365 3662018-06-05 Mark Wielaard <mark@klomp.org> 367 368 * dwarf_getaranges (dwarf_getaranges): Free new_arange if 369 __libdw_findcu fails. 370 3712018-06-05 Mark Wielaard <mark@klomp.org> 372 373 * dwarf_getsrclines.c (read_srclines): Define dirarray early and 374 check whether or not it is equal to dirstack on exit/out before 375 cleanup. 376 3772018-06-05 Mark Wielaard <mark@klomp.org> 378 379 * dwarf_getalt.c (find_debug_altlink): id_path array should be 2 380 larger to contain MAX_BUILD_ID_BYTES. 381 3822018-05-31 Mark Wielaard <mark@klomp.org> 383 384 * libdw_find_split_unit.c (try_split_file): New function extracted 385 from... 386 (__libdw_find_split_unit): ... here. Try both the relative and 387 absolute paths to find a .dwo file. 388 3892018-05-30 Mark Wielaard <mark@klomp.org> 390 391 * libdw/dwarf_getsrclines.c (read_srclines): Change ndir and 392 ndirlist to size_t. Add check to see ndirlist doesn't overflow. 393 3942018-05-31 Mark Wielaard <mark@klomp.org> 395 396 * dwarf_dieoffset.c: Check die->cu != NULL. Return -1, not ~0ul 397 on failure. 398 3992018-05-29 Mark Wielaard <mark@klomp.org> 400 401 * dwarf_cuoffset.c (dwarf_cuoffset): Check die->cu is not NULL. 402 * dwarf_die_addr_die.c (dwarf_die_addr_die): Also search split 403 Dwarfs. 404 * libdwP.h (struct Dwarf): Add split_tree field. 405 (__libdw_find_split_dbg_addr): New internal function definition. 406 (__libdw_finddbg_cb): Likewise. 407 * libdw_find_split_unit.c (__libdw_find_split_unit): Insert split 408 Dwarf into skeleton dbg split_tree. 409 * libdw_findcu.c (__libdw_finddbg_cb): New function. 410 (__libdw_find_split_dbg_addr): Likewise. 411 * dwarf_end (dwarf_end): Destroy split_tree. 412 4132018-05-29 Mark Wielaard <mark@klomp.org> 414 415 * dwarf.h: Add GNU DebugFission list entry encodings 416 DW_LLE_GNU_end_of_list_entry, 417 DW_LLE_GNU_base_address_selection_entry, 418 DW_LLE_GNU_start_end_entry and DW_LLE_GNU_start_length_entry. 419 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle 420 GNU DebugFission list entries. 421 4222018-05-28 Mark Wielaard <mark@klomp.org> 423 424 * libdw_find_split_unit.c (__libdw_find_split_unit): End split_dwarf 425 only after we tried every unit id in it. 426 4272018-04-07 Mark Wielaard <mark@klomp.org> 428 429 * libdwP.h (struct Dwarf_CU): Add locs_base. 430 (__libdw_cu_locs_base): New static inline function. 431 * libdw_findcu.c (__libdw_intern_next_unit): Initialize locs_base. 432 * dwarf_begin_elf.c (valid_p): Create fake_loclists_cu if necessary. 433 * dwarf_end.c (dwarf_end): Clean up fake_loclists_cu. 434 * dwarf_getlocation.c (initial_offset): Handle .debug_loclists. 435 (getlocations_addr): Likewise. 436 (dwarf_getlocation_addr): Likewise. 437 * dwarf_getlocation_attr.c (attr_form_cu): Use fake_loclists_cu for 438 DWARF5. 439 (initial_offset): Handle DW_FORM_loclistx. 440 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Handle 441 .debug_loclists. 442 * libdwP.h (struct Dwarf): Add fake_loclists_cu. 443 4442018-04-12 Mark Wielaard <mark@klomp.org> 445 446 * dwarf.h: Add DWARF5 location list entry DW_LLE encodings. 447 * begin_elf.c (dwarf_scnnames): Add IDX_debug_loclists. 448 * dwarf_error.c (errmsgs): Remove DWARF_E_NO_LOCLIST. And replace 449 with DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and 450 DWARF_E_NO_LOC_VALUE. 451 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_loclists_base 452 and DW_FORM_loclistx. 453 * dwarf_getlocation.c (attr_ok): Use DWARF_E_NO_LOC_VALUE. 454 (initial_offset): Use DWARF_E_NO_DEBUG_LOC. 455 * libdwP.h: Add IDX_debug_rnglists. Remove DWARF_E_NO_LOCLIST. 456 Add DWARF_E_NO_DEBUG_LOC, DWARF_E_NO_DEBUG_LOCLISTS and 457 DWARF_E_NO_LOC_VALUE. 458 4592018-05-25 Mark Wielaard <mark@klomp.org> 460 461 * libdw_find_split_unit.c (__libdw_find_split_unit): Extract linking 462 skeleton and split compile units code into... 463 * libdwP (__libdw_link_skel_split): ...this new function. 464 4652018-04-06 Mark Wielaard <mark@klomp.org> 466 467 * dwarf_formaddr.c (__libdw_addrx): New function, extracted from... 468 (dwarf_formaddr): here. Use __libdw_addrx. 469 * dwarf_getlocation.c (getlocations_addr): Pass cu to 470 __libdw_read_begin_end_pair_inc. 471 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Take cu as 472 argument. Handle .debug_rnglists. 473 (initial_offset): Handle .debug_rnglists and DW_FORM_rnglistx. 474 (dwarf_ranges): Likewise. Check cu isn't NULL before use. Pass cu to 475 __libdw_read_begin_end_pair_inc. 476 * libdwP.h (__libdw_read_begin_end_pair_inc): Take cu as argument. 477 (__libdw_cu_ranges_base): Handle DW_AT_rnglists_base. 478 (__libdw_addrx): New function definition. 479 4802018-04-11 Mark Wielaard <mark@klomp.org> 481 482 * dwarf.h: Add DWARF5 range list entry DW_RLE encodings. 483 * begin_elf.c (dwarf_scnnames): Add IDX_debug_rnglists. 484 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_RNGLISTS. 485 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_rnglists_base 486 and DW_FORM_rnglistx. 487 * dwarf_getscopes.c (pc_match): Also check for 488 DWARF_E_NO_DEBUG_RNGLISTS. 489 * libdwP.h: Add IDX_debug_rnglists. 490 4912018-05-25 Mark Wielaard <mark@klomp.org> 492 493 * dwarf_getlocation_attr.c (__libdw_cu_addr_base): Cast offset to 494 uintptr_t before returning as pointer. 495 4962018-05-22 Mark Wielaard <mark@klomp.org> 497 498 * dwarf_getlocation.c (__libdw_cu_base_address): Treat errors of 499 getting lowpc or entrypc the same as missing base address (zero). 500 * dwarf_highpc (dwarf_highpc): Handle any address form. Always set 501 error when attribute could not be found. 502 5032018-05-21 Mark Wielaard <mark@klomp.org> 504 505 * dwarf_begin_elf.c (valid_p): Add a fake_addr_cu to the result. 506 * dwarf_end.c (cu_free): Disconnect the fake_addr_cu from the split 507 dwarf if shared with skeleton. 508 (dwarf_end): release fake_addr_cu. 509 * dwarf_formaddr.c (__libdw_cu_addr_base): Move to... 510 * libdwP.h (__libdw_cu_addr_base): ... here. 511 (struct Dwarf): Add fake_addr_cu field. 512 * dwarf_formudata.c (dwarf_formudata): Handle 513 DW_FORM_GNU_addr_index and DW_FORM_addrx[1234]. 514 * dwarf_getlocation_attr.c (addr_valp): New static function. 515 (dwarf_getlocation_attr): Create attribute for values of 516 DW_OP_GNU_const_index, DW_OP_constx and DW_OP_GNU_addr_index and 517 DW_OP_addrx. 518 * libdw_find_split_unit.c (__libdw_find_split_unit): Connect 519 IDX_debug_addr sectiondata and fake_addr_cu between split and 520 skeleton. 521 5222018-05-20 Mark Wielaard <mark@klomp.org> 523 524 * dwarf_cu_info.c: New file. 525 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_info.c. 526 * libdw.h (dwarf_cu_info): New function declaration. 527 * libdw.map (ELFUTILS_0.171): Add dwarf_cu_info. 528 5292018-05-24 Mark Wielaard <mark@klomp.org> 530 531 * dwarf_ranges.c (dwarf_ranges): Check for NULL cu. 532 * libdw_findcu.c (__libdw_intern_next_unit): Initialize ranges_base. 533 5342018-05-18 Mark Wielaard <mark@klomp.org> 535 536 * dwarf_formudata.c (__libdw_formptr): Handle the special case 537 of IDX_debug_ranges for DW_UT_split_compile with version < 5. 538 * dwarf_highpc.c (dwarf_highpc): Use dwarf_lowpc, check for 539 split compile cudie. 540 * dwarf_lowpc.c (dwarf_lowpc): Check for split compile cudie. 541 * dwarf_ranges.c (dwarf_ranges): Switch cu and sectiondata for 542 split compile units. 543 * libdwP.h (struct Dwarf_CU): Add ranges_base field. 544 (__libdw_cu_ranges_base): New static inline function. 545 5462018-05-18 Mark Wielaard <mark@klomp.org> 547 548 * libdw_findcu.c (__libdw_intern_next_unit): Init files to NULL. 549 * dwarf_getsrclines.c (dwarf_getsrclines): Handle split units by 550 taking the line table from the skeleton. 551 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Handle split units by 552 only taking the files from .debug_line offset zero (if it exists), 553 otherwise fall back to the skeleton. 554 5552018-05-17 Mark Wielaard <mark@klomp.org> 556 557 * dwarf_begin_elf.c (__libdw_debugdir): New function. 558 (valid_p): Call __libdw_debugdir. 559 * dwarf_end.c (dwarf_end.c): Free debugdir. 560 * dwarf_getalt.c (__libdw_filepath): Extract __libdw_debugdir logic. 561 take debugdir as argument instead of fd. 562 (find_debug_altlink): Call __libdw_filepath with debugdir. 563 * libdwP.h (struct Dwarf): Add debugdir field. 564 (__libdw_debugdir): New function prototype. 565 (__libdw_filepath): Adjust prototype to take a const char * instead of 566 an int. 567 * libdw_find_split_unit.c (__libdw_find_split_unit): Call 568 __libdw_filepath with debugdir. 569 5702018-05-17 Mark Wielaard <mark@klomp.org> 571 572 * dwarf_attr_integrate.c (dwarf_attr_integrate): Handle split_compile 573 unit DIE, search skeleton_compile unit DIE. 574 * dwarf_hasattr_integrate.c (dwarf_hasattr_integrate): Likewise. 575 * libdwP.h (is_cudie): Check cu is not NULL. 576 5772018-05-19 Mark Wielaard <mark@klomp.org> 578 579 * libdwP.h (__libdw_find_split_unit): Mark as internal_function. 580 5812018-05-15 Mark Wielaard <mark@klomp.org> 582 583 * Makefile.am (libdw_a_SOURCES): Add libdw_find_split_unit.c. 584 * dwarf_end.c (cu_free): Free split Dwarf. 585 * dwarf_get_units.c (dwarf_get_units): Handle DW_UT_skeleton by 586 calling __libdw_find_split_unit. 587 * libdwP.h (struct Dwarf_CU): Add split Dwarf_CU field. 588 (__libdw_find_split_unit): New function prototype. 589 (str_offsets_base_off): Use cu Dwarf if dbg is NULL. 590 (filepath): Rename to ... 591 (__libdw_filepath): This. Which is the actual function name in 592 dwarf_getalt.c. 593 (libdw_find_split_unit.c): New file. 594 * libdw_findcu.c (__libdw_intern_next_unit): Initialize split to -1. 595 5962018-05-15 Mark Wielaard <mark@klomp.org> 597 598 * libdwP.h (__libdw_first_die_from_cu_start): Adjust commented out 599 asserts. 600 * libdw_findcu.c (__libdw_intern_next_unit): For version 4 DWARF if 601 the cudie has a DW_AT_GNU_dwi_id set the unit_id8 and unit_type to 602 DW_UT_skeleton or DW_UT_split_compile based on whether the cudie has 603 child DIEs and a DW_AT_GNU_dwo_name attribute. 604 6052018-05-14 Mark Wielaard <mark@klomp.org> 606 607 * dwarf.h: Add GNU Debug Fission extensions. DW_AT_GNU_dwo_name, 608 DW_AT_GNU_dwo_id, DW_AT_GNU_ranges_base, DW_AT_GNU_addr_base, 609 DW_AT_GNU_pubnames, DW_AT_GNU_pubtypes. DW_FORM_GNU_addr_index, 610 DW_FORM_GNU_str_index. DW_OP_GNU_addr_index, DW_OP_GNU_const_index. 611 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_GNU_addr_index 612 as DW_FORM_addrx. 613 (__libdw_cu_addr_base): Check for both DW_AT_GNU_addr_base and 614 DW_AT_addr_base. 615 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_str_index 616 as DW_FORM_strx. 617 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_addr_base 618 as addrptr. Recognize DW_AT_GNU_ranges_base as rangelistptr. 619 * dwarf_getlocation.c (__libdw_intern_expression): Handle 620 DW_OP_GNU_addr_index as DW_OP_addrx and DW_OP_GNU_const_index as 621 DW_OP_constx. 622 * libdw_form.c (__libdw_form_val_compute_len): Handle 623 DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index taking an uleb128. 624 6252018-05-12 Mark Wielaard <mark@klomp.org> 626 627 * dwarf_begin_elf.c (check_section): Also recognize .dwo section 628 name variants. 629 6302018-05-11 Mark Wielaard <mark@klomp.org> 631 632 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_macros as macptr. 633 * dwarf_getmacros.c (get_table_for_offset): Add DW_MACRO_define_sup, 634 DW_MACRO_undef_sup, DW_MACRO_import_sup, DW_MACRO_define_strx and 635 DW_MACRO_undef_strx. Add str_offsets_base_off to fake CU. Deal with 636 DW_AT_macros. Use libdw_valid_user_form. 637 6382018-05-09 Mark Wielaard <mark@klomp.org> 639 640 * dwarf_formstring.c (__libdw_cu_str_off_base): Moved to... 641 * libdwP.h (__libdw_cu_str_off_base): ...here. Make static inline. 642 (str_offsets_base_off): New internal function that also parses 643 .debug_str_offsets header if necessary. 644 6452018-05-11 Mark Wielaard <mark@klomp.org> 646 647 * dwarf_siblingof.c (dwarf_siblingof): Don't reference cu till it is 648 known the Dwarf_Die is came from is valid. 649 * libdwP.h (__libdw_dieabbrev): Check cu is not NULL. 650 6512018-05-08 Mark Wielaard <mark@klomp.org> 652 653 * dwarf_formref.c (__libdw_formref): Explicitly don't handle 654 DW_FORM_ref_sup4 and DW_FORM_ref_sup8. 655 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_ref_sup4 656 and DW_FORM_ref_sup8. 657 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strp_sup 658 as DW_FORM_GNU_strp_alt. 659 6602018-05-05 Mark Wielaard <mark@klomp.org> 661 662 * dwarf.h: Add DWARF line content descriptions. 663 * libdwP.h (libdw_valid_user_form): New static function. 664 * dwarf_getsrclines.c (read_srclines): Check and parse version 5 665 DWARF header, dir and file tables separately from older versions 666 where different. 667 6682018-04-24 Mark Wielaard <mark@klomp.org> 669 670 * dwarf_begin_elf.c (dwarf_scnnames): Add ".debug_line_str". 671 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_STR and 672 DWARF_E_NO_DEBUG_LINE_STR. 673 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_line_strp. 674 Get data from either .debug_str or .debug_line_str. 675 * libdwP.h: Add IDX_debug_line_str, DWARF_E_NO_DEBUG_STR and 676 DWARF_E_NO_DEBUG_LINE_STR. 677 6782018-04-03 Mark Wielaard <mark@klomp.org> 679 680 * dwarf_formudata.c (__libdw_formptr): Take and return const 681 unsigned char pointers. 682 * dwarf_getlocation.c (attr_base_address): Rename to... 683 (__libdw_cu_base_address): this. Take Dwarf_CU, check and set 684 base_address. 685 (initial_offset_base): Renamed to... 686 (initial_offset): this. Only provide offset. 687 (getlocations_addr): Move data size check and 688 address base addition into __libdw_read_begin_end_pair_inc. Use 689 __libdw_cu_base_address and initial_offset. Drop Elf_Data NULL 690 check (already done by initial_offset, through __libdw_formptr). 691 (dwarf_getlocations): Use __libdw_cu_base_address and initial_offset. 692 Drop Elf_Data NULL check. 693 * dwarf_ranges.c (__libdw_read_begin_end_pair_inc): Change argument 694 type of readp to Add readend argument. Check data size. Include base 695 in begin and end result. 696 (initial_offset): New static function. 697 (dwarf_ranges): Don't check Elf_Data being NULL (already done by 698 initial_offset, through __libdw_formptr). Use __libdw_cu_base_address 699 and initial_offset. Remove base check and addition (already done by 700 __libdw_read_begin_end_pair_inc. 701 * libdwP.h (Dwarf_CU): Add base_address field. 702 (__libdw_read_begin_end_pair_inc): Change argument type of readp to 703 const. Add readend argument. 704 (__libdw_formptr): Take and return const unsigned char pointers. 705 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU 706 base_address. 707 7082018-04-04 Mark Wielaard <mark@klomp.org> 709 710 * libdw_findcu.c (__libdw_intern_next_unit): Initialize Dwarf_CU 711 addr_base and str_off_base. 712 7132018-03-23 Mark Wielaard <mark@klomp.org> 714 715 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_str_offsets, 716 increase size. 717 * dwarf_error.c (errmsgs): Add DWARF_E_NO_STR_OFFSETS. 718 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_strx[1234]. 719 (__libdw_cu_str_off_base): New function. 720 * dwarf_formudata.c (dwarf_formudata): Handle IDX_debug_str_offsets 721 as stroffsetsptr. 722 * libdwP.h: Add IDX_debug_str_offsets and DWARF_E_NO_STR_OFFSETS. 723 (struct Dwarf_CU): Add str_off_base field. 724 (__libdw_cu_str_off_base): New function declaration. 725 7262018-03-22 Mark Wielaard <mark@klomp.org> 727 728 * dwarf_begin_elf.c (dwarf_scnnames): Add IDX_debug_addr. 729 * dwarf_error.c (errmsgs): Add DWARF_E_NO_DEBUG_ADDR. 730 * dwarf_formaddr.c (dwarf_formaddr): Handle DW_FORM_addrx[1234]. 731 (__libdw_cu_addr_base): New function. 732 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_addr_base as 733 addrptr. 734 * libdwP.h: Add IDX_debug_addr and DWARF_E_NO_DEBUG_ADDR. 735 (struct Dwarf_CU): Add addr_base field. 736 (__libdw_cu_addr_base): New function definition. 737 * memory-access.h (file_byte_order): New static function. 738 (read_3ubyte_unaligned): New inline function. 739 7402018-03-29 Mark Wielaard <mark@klomp.org> 741 742 * libdw.h (dwarf_decl_file): Extend documentation. 743 (dwarf_linesrc): Likewise. 744 (dwarf_filesrc): Likewise. 745 7462018-03-06 Mark Wielaard <mark@klomp.org> 747 748 * dwarf.h: Add DW_OP_implicit_pointer, DW_OP_addrx, DW_OP_constx, 749 DW_OP_entry_value, DW_OP_const_type, DW_OP_regval_type, 750 DW_OP_deref_type, DW_OP_xderef_type, DW_OP_convert and 751 DW_OP_reinterpret. 752 * dwarf_getlocation.c (__libdw_intern_expression): Handle 753 DW_OP_convert, DW_OP_reinterpret, DW_OP_addrx, DW_OP_constx, 754 DW_OP_regval_type, DW_OP_entry_value, DW_OP_implicit_pointer, 755 DW_OP_deref_type, DW_OP_xderef_type and DW_OP_const_type. 756 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Handle 757 DW_OP_entry_value, DW_OP_const_type and DW_OP_implicit_pointer. 758 * dwarf_getlocation_die.c (dwarf_getlocation_die): Handle 759 DW_OP_implicit_pointer, DW_OP_convert, DW_OP_reinterpret, 760 DW_OP_const_type, DW_OP_regval_type, DW_OP_deref_type and 761 DW_OP_xderef_type. 762 * dwarf_getlocation_implicit_pointer.c 763 (dwarf_getlocation_implicit_pointer): Handle DW_OP_implicit_pointer. 764 7652018-03-01 Mark Wielaard <mark@klomp.org> 766 767 * dwarf.h: Add DW_AT_GNU_locviews and DW_AT_GNU_entry_view. 768 * dwarf_formudata.c (dwarf_formudata): Handle DW_AT_GNU_locviews 769 as a loclistptr. 770 7712018-02-09 Mark Wielaard <mark@klomp.org> 772 773 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_data16 as a 774 16 byte block. 775 7762018-02-09 Mark Wielaard <mark@klomp.org> 777 778 * dwarf_child.c (__libdw_find_attr): Handle DW_FORM_implicit_const. 779 * dwarf_formsdata.c (dwarf_formsdata): Likewise. 780 * dwarf_formudata.c (dwarf_formudata): Likewise. 781 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise. 782 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 783 * dwarf_hasattr.c (dwarf_hasattr): Likewise. 784 * dwarf_getabbrevattr.c (dwarf_getabbrevattr_data): New function 785 that will also return any data associated with the abbrev. Which 786 currently is only for DW_FORM_implicit_const. Based on... 787 (dwarf_getabbrevattr): ... this function. Which now just calls 788 dwarf_getabbrevattr_data. 789 * libdw.h (dwarf_getabbrevattr_data): Declare new function. 790 * libdw.map (ELFUTILS_0.170): Add dwarf_getabbrevattr_data. 791 * libdwP.h (dwarf_getabbrevattr_data): INTDECL. 792 * memory-access.h (__libdw_get_sleb128_unchecked): New inlined 793 function based on __libdw_get_uleb128_unchecked. 794 7952018-02-08 Mark Wielaard <mark@klomp.org> 796 797 * dwarf.h: Add DWARF5 DW_FORMs. 798 * libdwP.h (__libdw_form_val_compute_len): Handle fix length 799 DW_FORM_implicit_const, DW_FORM_addrx[1234], DW_FORM_strx[1234], 800 DW_FORM_ref_sup[48] and DW_FORM_data16. 801 * libdw_form.c (__libdw_form_val_compute_len): DW_FORM_strp_sup 802 and DW_FORM_line_strp are offset_size. DW_FORM_addrx, DW_FORM_strx, 803 DW_FORM_loclistx and DW_FORM_rnglistx are uleb128. 804 8052018-01-30 Mark Wielaard <mark@klomp.org> 806 807 * Makefile.am (libdw_a_SOURCES): Add dwarf_get_units.c. 808 * dwarf_get_units.c: New file. 809 * libdw.h (dwarf_get_units): New function declaration. 810 * libdw.map (ELFUTILS_0.170): Add dwarf_get_units. 811 8122018-01-29 Mark Wielaard <mark@klomp.org> 813 814 * dwarf.h (DW_UT_*): Add DWARF Unit Header Types. 815 * dwarf_cu_die.c (dwarf_cu_die): Rename arguments. type_signaturep 816 is now called unit_idp. type_offsetp is now called subdie_offsetp. 817 * dwarf_formref_die.c (dwarf_formref_die): Scan both .debug_info 818 and .debug_types sections for type units when type signature ref 819 not found. 820 * dwarf_getaranges.c (dwarf_getaranges): Use __libdw_findcu and 821 __libdw_first_die_off_from_cu instead of trying by hand. 822 * dwarf_getlocation_die.c (dwarf_getlocation_die): Use ISV4TU 823 instead of checking type_offset by hand. 824 * dwarf_getlocation_implicit_pointer.c 825 (dwarf_getlocation_implicit_pointer): Likewise. 826 * dwarf_nextcu.c (dwarf_next_unit): Call __libdw_next_unit. 827 (__libdw_next_unit): New function based on dwarf_next_unit with 828 DWARF5 header support. 829 * libdwP.h (struct Dwarf_CU): Renamed type_offset to subdie_offset 830 and type_sig8 to unit_id8. 831 (ISV4TU): New macro to determine whether a CU is a version 4 type 832 unit (which comes from the .debug_types section). 833 (DIE_OFFSET_FROM_CU_OFFSET): Replaced macro by real function... 834 (__libdw_first_die_from_cu_start): ... that also handles DWARF5 835 unit headers. 836 (__libdw_first_die_off_from_cu): New function that calls the above 837 using the CU fields. 838 (CUDIE): Use __libdw_first_die_off_from_cu. 839 (SUBDIE): New macro that provides the DIE for a CU using the 840 subdie_offset. 841 (__libdw_next_unit): New internal function declaration. 842 * libdw_findcu.c (__libdw_intern_next_unit): Use __libdw_next_unit. 843 Accept DWARF version 5 headers. Setup unit_type. 844 (__libdw_findcu): Rename debug_types argument to v4_debug_types 845 argument (to indicate that we are looking in the .debug_types 846 section). Support finding the exact offset (unit header start). 847 8482018-01-25 Mark Wielaard <mark@klomp.org> 849 850 * Makefile.am (libdw_a_SOURCES): Add dwarf_die_addr_die.c. 851 * dwarf_die_addr_die.c: New file. 852 * libdw.h (dwarf_die_addr_die): New function declaration. 853 * libdw.map (ELFUTILS_0.171): New section with dwarf_die_addr_die. 854 * libdwP.h (__libdw_findcu_addr): New internal function declaration. 855 * libdw_findcu.c (__libdw_findcu_addr): New internal function. 856 8572018-02-09 Joshua Watt <JPEWhacker@gmail.com> 858 859 * cfi.c (execute_cfi): Use FALLTHROUGH macro instead of comment. 860 * dwarf_frame_register.c (dwarf_frame_register): Likewise. 861 8622018-01-22 Mark Wielaard <mark@klomp.org> 863 864 * Makefile.am (AM_CPPFLAGS): Add -I libdwelf. 865 * dwarf_begin_elf.c (dwarf_begin_elf): Initialize Dwarf alt_fd to -1. 866 * dwarf_end.c (dwarf_end): Call dwarf_end and close on the alt_dwarf 867 and alt_fd if we allocated them. 868 * dwarf_fromref_die.c (dwarf_formref_die): Call dwarf_getalt. 869 * dwarf_formstring.c (dwarf_formstring): Likewise. 870 * dwarf_getalt.c (__libdw_filepath): New internal function. 871 (find_debug_altlink): New static function. 872 (dwarf_getalt): Check Dwarf alt_dwarf and call find_debug_altlink. 873 Cache result. 874 * dwarf_setalt.c (dwarf_setalt): Clean up Dwarf alt_dwarf and alt_fd 875 if we allocated. 876 * libdw.h (dwarf_getalt): Extend documentation. 877 (dwarf_setalt): Likewise. 878 * libdwP.h (struct Dwarf): Add alt_fd field. 879 (filepath): Declare new internal function. 880 8812018-01-14 Petr Machata <pmachata@gmail.com> 882 883 * dwarf_formsdata.c (dwarf_formsdata): 884 <DW_FORM_data1>: Cast to signed char. 885 <DW_FORM_data2,4,8>: Use read_*sbyte_unaligned instead of 886 read_*ubyte_unaligned. 887 8882017-12-26 Mark Wielaard <mark@klomp.org> 889 890 * libdwP.h (struct Dwarf_Abbrev): Pack struct. Remove attrcnt, 891 use bitfields for has_children and code. 892 * dwarf_getabbrev.c (__libdw_getabbrev): Don't count attrs. 893 * dwarf_getattrcnt.c (dwarf_getattrcnt): Count attrs. 894 8952017-12-26 Mark Wielaard <mark@klomp.org> 896 897 * memory-access.h (__libdw_get_uleb128_unchecked): New function. 898 (get_uleb128_unchecked): New define. 899 * dwarf_child.c (__libdw_find_attr): Use get_uleb128_unchecked to 900 read attr name and form. 901 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise. 902 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 903 * dwarf_hasattr.c (dwarf_hasattr): Likewise. 904 9052017-12-28 Mark Wielaard <mark@klomp.org> 906 907 * dwarf_offdie.c (__libdw_offdie): Check sectiondata exists. 908 9092017-05-09 Ulf Hermann <ulf.hermann@qt.io> 910 Mark Wielaard <mark@klomp.org> 911 912 * libdwP.h (__libdw_in_section): Fix check for the upper border of 913 the range. 914 (__libdw_offset_in_section): Likewise. 915 9162017-12-20 Mark Wielaard <mark@klomp.org> 917 918 * libdwP.h (struct Dwarf_CU): Add sec_idx field. 919 (cu_sec_idx): Return cu->sec_idx. 920 * libdw_findcu.c (__libdw_intern_next_unit): Set cu sec_idx to 921 IDX_debug_info or IDX_debug_types. 922 * dwarf_begin_elf.c (valid_p): Set fake_loc_cu->sec_idx to 923 IDX_debug_loc. 924 * dwarf_getmacros.c (read_macros): Set fake_cu->sec_idx to 925 IDX_debug_macro or IDX_debug_macinfo. 926 9272017-12-12 Mark Wielaard <mark@klomp.org> 928 929 * dwarf_aggregate_size.c (dwarf_aggregate_size): Don't peel the 930 given DIE. Reserve memory for a new DIE first. 931 9322017-12-11 Dima Kogan <dima@secretsauce.net> 933 934 * dwarf_aggregate_size.c (array_size): Handle multi-dimensional 935 arrays properly. 936 9372017-11-03 Mark Wielaard <mark@klomp.org> 938 939 * dwarf_getlocation.c (__libdw_intern_expression): Handle 940 DW_OP_GNU_variable_value. 941 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Likewise. 942 * dwarf_getlocation_die.c (dwarf_getlocation_die): Likewise. 943 9442017-11-03 Mark Wielaard <mark@klomp.org> 945 946 * dwarf_getlocation.c (attr_ok): Always accept DW_FORM_exprloc. 947 Update list of acceptable attribute codes based on DWARF5. 948 9492017-11-03 Mark Wielaard <mark@klomp.org> 950 951 * dwarf.h: Add DW_OP_GNU_variable_value. 952 9532017-10-03 Mark Wielaard <mark@klomp.org> 954 955 * libdw.h: Define LIBDW_CIE_ID and use it in dwarf_cfi_cie_p. 956 9572017-08-18 Ulf Hermann <ulf.hermann@qt.io> 958 959 * memory-access.h: Use attribute_packed. 960 9612017-02-27 Ulf Hermann <ulf.hermann@qt.io> 962 963 * libdwP.h: Use attribute_hidden. 964 * libdw_alloc.c: Likewise. 965 9662017-02-27 Ulf Hermann <ulf.hermann@qt.io> 967 968 * Makefile.am: Use fpic_CFLAGS and dso_LDFLAGS. 969 9702017-07-26 Mark Wielaard <mark@klomp.org> 971 972 * dwarf.h: Add DW_MACRO_* and compat defines for DW_MACRO_GNU_*. 973 * dwarf_getmacros.c (get_table_for_offset): Accept either version 974 4 or 5. Use DW_MACRO names instead of DW_MACRO_GNU names. 975 (read_macros): Use table version for fake_cu. 976 9772017-07-26 Mark Wielaard <mark@klomp.org> 978 979 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_immutable_type, 980 DW_TAG_packed_type and DW_TAG_shared_type. 981 * libdw.h (dwarf_peel_type): Extend documentation. 982 9832017-07-26 Mark Wielaard <mark@klomp.org> 984 985 * dwarf.h: Add DW_DEFAULTED_no, DW_DEFAULTED_in_class and 986 DW_DEFAULTED_out_of_class. 987 9882017-07-26 Mark Wielaard <mark@klomp.org> 989 990 * dwarf.h: Add DW_CC_pass_by_reference and DW_CC_pass_by_reference. 991 9922017-07-26 Mark Wielaard <mark@klomp.org> 993 994 * dwarf_default_lower_bound.c: New file. 995 * Makefile.am (libdw_a_SOURCES): Add dwarf_default_lower_bound.c. 996 * dwarf_aggregate_size.c (array_size): Use dwarf_default_lower_bound. 997 * dwarf_error.c (errmsgs): Add DWARF_E_UNKNOWN_LANGUAGE. 998 * libdw.h: Add dwarf_default_lower_bound. 999 * libdw.map (ELFUTILS_0.170): Add dwarf_default_lower_bound. 1000 * libdwP.h: Add DWARF_E_UNKNOWN_LANGUAGE and 1001 dwarf_default_lower_bound INTDECL. 1002 10032017-07-26 Mark Wielaard <mark@klomp.org> 1004 1005 * dwarf.h: Add DW_LANG_OpenCL, DW_LANG_Modula3, 1006 DW_LANG_C_plus_plus_03, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift, 1007 DW_LANG_Julia, DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_BLISS. 1008 * dwarf_aggregate_size.c (array_size): Add lower bound for 1009 DW_LANG_C_plus_plus_03, DW_LANG_Python, DW_LANG_OpenCL, 1010 DW_LANG_Haskell, DW_LANG_OCaml, DW_LANG_Rust, DW_LANG_Swift, 1011 DW_LANG_Dylan, DW_LANG_RenderScript, DW_LANG_Modula3, 1012 DW_LANG_Julia and DW_LANG_BLISS. 1013 10142017-07-26 Mark Wielaard <mark@klomp.org> 1015 1016 * dwarf.h: Add DW_ATE_UCS and DW_ATE_ASCII. 1017 10182017-07-25 Mark Wielaard <mark@klomp.org> 1019 1020 * dwarf.h: Add DW_TAG_coarray_type, DW_TAG_generic_subrange, 1021 DW_TAG_dynamic_type, DW_TAG_call_site, DW_TAG_call_site_parameter, 1022 DW_TAG_skeleton_unit, DW_TAG_immutable_type. Add reserved comments 1023 for currently unused numbers. 1024 10252017-07-25 Mark Wielaard <mark@klomp.org> 1026 1027 * dwarf.h (DWARF attributes enum): Remove DW_AT_subscr_data, 1028 DW_AT_element_list and DW_AT_member. Add DWARF5 attribute constants. 1029 (DW_AT_subscr_data, DW_AT_element_list, DW_AT_member): New defines. 1030 10312017-07-21 Mark Wielaard <mark@klomp.org> 1032 1033 * dwarf_line_file.c: New file. 1034 * Makefile.am (libdw_a_SOURCES): Add dwarf_line_file.c. 1035 * libdw.h (dwarf_line_file): New function declaration. 1036 * libdw.map (ELFUTILS_0.170): New. Add dwarf_line_file. 1037 10382017-02-17 Ulf Hermann <ulf.hermann@qt.io> 1039 1040 * Makefile.am: Add libdw_so_LIBS to specify the archives libdw is is 1041 made of, libdw_so_DEPS for libraries it depends on (including 1042 libeu.a), libdw_so_LDLIBS to specify libraries libdw links against. 1043 (libdw.so$(EXEEXT)): Add $(libdw_so_LDLIBS), remove enumeration of 1044 library dependencies, use libdw_so_LIBS rather than relying on the 1045 order of dependencies specified, add -z,relro. 1046 10472017-04-20 Ulf Hermann <ulf.hermann@qt.io> 1048 1049 * libdw.h: Remove attribute macro declarations and use 1050 __noreturn_attribute__ as defined in libelf.h. 1051 10522017-04-20 Ulf Hermann <ulf.hermann@qt.io> 1053 1054 * dwarf_begin_elf.c: Include endian.h. 1055 10562017-03-30 Mark Wielaard <mjw@redhat.com> 1057 1058 * dwarf_peel_type.c (dwarf_peel_type): Call dwarf_attr_integrate on 1059 result. 1060 10612016-10-22 Mark Wielaard <mjw@redhat.com> 1062 1063 * dwarf.h: Correct spelling of DW_LANG_PLI. Add compatibility define. 1064 * dwarf_aggregate_size.c (array_size): Use correct spelling of 1065 DW_LANG_PLI. 1066 10672016-11-02 Mark Wielaard <mjw@redhat.com> 1068 1069 * cfi.c (execute_cfi): Add fallthrough comments. 1070 * encoded-value.h (encoded_value_size): Add explicit return instead 1071 of relying on fallthrough. 1072 * dwfl_report_elf.c (__libdwfl_elf_address_range): Add fallthrough 1073 comment. 1074 10752016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> 1076 1077 * dwarf_getpubnames.c: Remove sys/param.h include, add system.h. 1078 * libdw_alloc.c: Likewise. 1079 10802016-07-08 Mark Wielaard <mjw@redhat.com> 1081 1082 * libdw.map (ELFUTILS_0.167): New. Add dwelf_strtab_init, 1083 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize, 1084 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free. 1085 10862016-02-13 Mark Wielaard <mjw@redhat.com> 1087 1088 * dwarf_getsrclines.c (read_srclines): Calculate ndirs first, then 1089 assign to ndirlist. 1090 10912015-12-18 Mark Wielaard <mjw@redhat.com> 1092 1093 * libdwP.h (struct Dwarf): Remove sectiondata_gzip_mask. 1094 (__libdw_free_zdata): Remove. 1095 * dwarf_begin_elf.c (inflate_section): Remove. 1096 (check_section): Remove __libdw_free_zdata calls. Use elf_compress 1097 and elf_compress_gnu to decompress if necessary. 1098 (valid_p): Remove __libdw_free_zdata calls. 1099 (scngrp_read): Use elf_compress if section is compressed. Remove 1100 __libdw_free_zdata calls. 1101 * dwarf_end.c (__libdw_free_zdata): Remove. 1102 (dwarf_end): Don't call __libdw_free_zdata. 1103 11042015-10-28 Mark Wielaard <mjw@redhat.com> 1105 1106 * libdw.map (ELFUTILS_0.165): New. Add dwelf_scn_gnu_compressed_size. 1107 11082015-12-02 Mark Wielaard <mjw@redhat.com> 1109 1110 * fde.c (intern_fde): Don't leak duplicate FDEs. 1111 11122015-12-01 Mark Wielaard <mjw@redhat.com> 1113 1114 * fde.c (intern_fde): Don't intern an fde that doesn't cover a 1115 valid code range. 1116 11172015-12-01 Mark Wielaard <mjw@redhat.com> 1118 1119 * dwarf_end.c (dwarf_end): Call cu_free on fake_loc_cu if it exists. 1120 11212015-10-14 Chih-Hung Hsieh <chh@google.com> 1122 1123 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Move recursive 1124 functions 'add_bkpt', 'entrypc_bkpt', and 'search_range' to file scope. 1125 11262015-10-14 Chih-Hung Hsieh <chh@google.com> 1127 1128 * libdw_visit_scopes.c (__libdw_visit_scopes): Move recursive nested 1129 function 'walk_children' to file scope; inline 'recurse' at its call 1130 site. 1131 11322015-10-19 Mark Wielaard <mjw@redhat.com> 1133 1134 * frame-cache.c (__libdw_destroy_frame_cache): Call ebl_closebackend 1135 if necessary. 1136 11372015-10-16 Dmitry V. Levin <ldv@altlinux.org> 1138 1139 * dwarf_getsrclines.c (read_srclines): Initialize state early. 1140 11412015-10-13 Chih-Hung Hsieh <chh@google.com> 1142 1143 * dwarf_getsrclines.c (read_srclines): Move nested functions 1144 'advance_pc' and 'add_new_line' to file scope and keep many 1145 local state variables within one structure. 1146 11472015-10-13 Chih-Hung Hsieh <chh@google.com> 1148 1149 * dwarf_getscopevar.c (dwarf_getscopevar): Move nested 1150 function 'file_matches' to file scope. 1151 11522015-10-16 Mark Wielaard <mjw@redhat.com> 1153 1154 * Makefile.am (libdw.so): Add -lz. 1155 11562015-10-14 Chih-Hung Hsieh <chh@google.com> 1157 1158 * cfi.c (execute_cfi): Move nested functions 'enough_registers' 1159 and 'require_cfa_offset' to file scope. 1160 11612015-10-09 Josh Stone <jistone@redhat.com> 1162 1163 * dwarf_begin.c (dwarf_begin): Replace stat64 and fstat64 with stat 1164 and fstat. 1165 11662015-10-05 Josh Stone <jistone@redhat.com> 1167 1168 * Makefile.am (libdw.so): Add AM_V_CCLD and AM_V_at silencers. 1169 11702015-09-24 Jose E. Marchesi <jose.marchesi@oracle.com> 1171 1172 * Makefile.am (AM_CFLAGS): Use -fPIC instead of -fpic to avoid 1173 relocation overflows in some platforms. 1174 11752015-09-23 Mark Wielaard <mjw@redhat.com> 1176 1177 * dwarf_error.c (__libdw_seterrno): Mark as internal_function. 1178 * dwarf_formref.c (__libdw_formref): Likewise. 1179 * libdw_findcu.c (__libdw_findcu): Likewise. 1180 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. 1181 11822015-09-22 Mark Wielaard <mjw@redhat.com> 1183 1184 * *.c: Remove old-style function definitions. 1185 11862015-09-15 Mark Wielaard <mjw@redhat.com> 1187 1188 * dwarf_peel_type.c (dwarf_peel_type): Don't reassign result pointer. 1189 11902015-09-09 Chih-Hung Hsieh <chh@google.com> 1191 1192 * dwarf_macro_getsrcfiles.c (dwarf_macro_getsrcfiles): Remove 1193 redundant NULL tests on parameters declared with __nonnull_attribute__. 1194 * dwarf_siblingof.c (dwarf_siblingof): Likewise. 1195 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. 1196 11972015-09-04 Chih-Hung Hsieh <chh@google.com> 1198 Mark Wielaard <mjw@redhat.com> 1199 1200 * dwarf_getlocation.c (getlocations_addr): Replace K&R function 1201 definition with ansi-C definition and add const qualifier to 1202 locs argument. 1203 12042015-09-04 Chih-Hung Hsieh <chh@google.com> 1205 1206 * libdw_findcu.c (__libdw_intern_next_unit): Replace K&R function 1207 definition with ansi-C definitions. 1208 (__libdw_findcu): Likewise. 1209 12102015-08-25 Mark Wielaard <mjw@redhat.com> 1211 1212 * dwarf.h: Add DW_LANG_Haskell. 1213 12142015-06-18 Mark Wielaard <mjw@redhat.com> 1215 1216 * dwarf_begin_elf.c (dwarf_begin_elf): Assert page size is big enough 1217 to hold a Dwarf. 1218 12192015-06-18 Mark Wielaard <mjw@redhat.com> 1220 1221 * dwarf_getpubnames.c (get_offsets): Always free mem on error. 1222 12232015-06-18 Mark Wielaard <mjw@redhat.com> 1224 1225 * dwarf_getmacros.c (get_macinfo_table): Return NULL when 1226 dwarf_formudata reports an error. 1227 (get_table_for_offset): Likewise. 1228 12292015-06-08 Mark Wielaard <mjw@redhat.com> 1230 1231 * dwarf_getsrclines.c (read_srclines): Initialize dirarray early. 1232 12332015-06-06 Mark Wielaard <mjw@redhat.com> 1234 1235 * dwarf_getsrclines.c (read_srclines): Initialize filelist early. 1236 12372015-05-27 Mark Wielaard <mjw@redhat.com> 1238 1239 * encoded-value.h (read_encoded_value): Check data d_size contains 1240 at least enough data to hold a pointer for DW_EH_PE_indirect. 1241 12422015-05-22 Mark Wielaard <mjw@redhat.com> 1243 1244 * dwarf_getsrclines.c (read_srclines): Limit stack usage of lines 1245 with MAX_STACK_LINES, files with MAX_STACK_LINES and dirs with 1246 MAX_STACK_DIRS. Calculate number of dirs needed first, then 1247 create dirarray directly, without needing the next field. Free 1248 not stack allocated lines and files at the end. 1249 12502015-05-19 Mark Wielaard <mjw@redhat.com> 1251 1252 * dwarf_getlocation.c (__libdw_intern_expression): Create a stack 1253 allocated array to hold locs. Allocate locs bigger than the array 1254 with malloc and free them when done. 1255 12562015-05-11 Jonathan Lebon <jlebon@redhat.com> 1257 1258 * libdwP.h (DWARF_E_COMPRESSED_ERROR): New enumerator. 1259 * dwarf_error.c (errmsgs): Add DWARF_E_COMPRESSED_ERROR message. 1260 * dwarf_begin_elf.c (inflate_section): New static function, lifted 1261 from... 1262 (check_section): ... here. Call inflate_section, set libdw errno to 1263 DWARF_E_COMPRESSED_ERROR if .debug_info section couldn't be inflated. 1264 12652015-05-11 Jonathan Lebon <jlebon@redhat.com> 1266 1267 * dwarf_begin_elf.c (check_section): Add compressed flag. Always 1268 check for .zdebug sections. Only wrap decompression in #if USE_ZLIB. 1269 12702015-05-06 Mark Wielaard <mjw@redhat.com> 1271 1272 * dwarf_getsrclines.c (read_srclines): Use an int64_t to store and 1273 check the line number. 1274 12752015-05-05 Mark Wielaard <mjw@redhat.com> 1276 1277 * dwarf_getaranges.c (dwarf_getaranges): Check there is enough data 1278 left before reading values. 1279 12802015-05-04 Anthony G. Basile <blueness@gentoo.org> 1281 1282 * Makefile.am (libdw_so_SOURCES): Append $(argp_LDADD) to link 1283 command. 1284 12852015-04-22 Mark Wielaard <mjw@redhat.com> 1286 1287 * memory-access.h (__libdw_max_len_leb128): Take type_len as argument. 1288 (__libdw_max_len_uleb128): New function. 1289 (__libdw_max_len_sleb128): Likewise. 1290 (__libdw_get_uleb128): Use __libdw_max_len_uleb128. 1291 (__libdw_get_sleb128): Use __libdw_max_len_sleb128. 1292 12932015-04-21 Mark Wielaard <mjw@redhat.com> 1294 1295 * dwarf_getmacros.c (read_macros): Allocate attributes dynamically 1296 when there are more than 8. 1297 12982015-04-01 Petr Machata <pmachata@redhat.com> 1299 1300 * libdwP.h (DWARF_E_NOT_CUDIE): New enumerator. 1301 (is_cudie): New function. 1302 * dwarf_error.c (errmsgs): Add message for DWARF_E_NOT_CUDIE. 1303 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Call is_cudie instead 1304 of white-listing valid tags. 1305 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 1306 13072015-03-18 Petr Machata <pmachata@redhat.com> 1308 1309 * Makefile.am (pkginclude_HEADERS): Add known-dwarf.h. 1310 (EXTRA_DIST): Remove known-dwarf.h. 1311 13122015-02-09 Mark Wielaard <mjw@redhat.com> 1313 1314 * dwarf.h: Add DW_LANG_Fortran03 and DW_LANG_Fortran08. 1315 * dwarf_aggregate_size.c (array_size): Recognize array lower bound 1316 for new Fortran language codes is 1. 1317 13182015-02-09 Mark Wielaard <mjw@redhat.com> 1319 1320 * dwarf.h: Add DW_TAG_atomic_type. 1321 * libdw.h (dwarf_peel_type): Document DW_TAG_atomic_type. 1322 * dwarf_peel_type.c (dwarf_peel_type): Handle DW_TAG_atomic_type. 1323 13242015-02-11 Josh Stone <jistone@redhat.com> 1325 1326 * encoded-value.h (read_encoded_value): Initialize value. 1327 13282015-02-11 Petr Machata <pmachata@redhat.com> 1329 1330 * dwarf_ranges.c (dwarf_ranges): Do not bail out when neither 1331 DW_AT_entry_pc nor DW_AT_low_pc are available. Instead remember 1332 the fact in *BASEP and bail out later if it hasn't been updated by 1333 __libdw_read_begin_end_pair_inc. 1334 13352014-12-24 Mark Wielaard <mjw@redhat.com> 1336 1337 * dwarf_getsrc_die.c (dwarf_getsrc_die): Return the last line record 1338 smaller than or equal to addr, rather than returning immediately on 1339 a match. 1340 13412015-01-07 Mark Wielaard <mjw@redhat.com> 1342 1343 * cfi.h (struct Dwarf_CFI_s): Add search_table_len. 1344 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Check there is enough 1345 room in the search table for all entries. Store search_table_len. 1346 (getcfi_scn_eh_frame): Likewise. 1347 * encoded-value.h (encoded_value_size): Don't abort, return zero. 1348 (__libdw_cfi_read_address_inc): Check there is enough room to read 1349 values. Pass other byte order to read functions. 1350 (read_encoded_value): Check encoded_value_size. Don't abort, but 1351 set libdw errno and report failure. Check there is enough room to 1352 read values. 1353 * fde.c (binary_search_fde): Check encoded value size. Add hdr 1354 data buf and size to dummy_cfi. 1355 13562015-01-04 Mark Wielaard <mjw@redhat.com> 1357 1358 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute 1359 is after current DIE. 1360 13612015-01-04 Mark Wielaard <mjw@redhat.com> 1362 1363 * cfi.c (enough_registers): Check reg < INT32_MAX / sizeof 1364 (dwarf_frame_register). 1365 13662015-01-02 Mark Wielaard <mjw@redhat.com> 1367 1368 * dwarf_getcfi_elf.c (parse_eh_frame_hdr): Add size check. 1369 (getcfi_gnu_eh_frame): Remove size check. Check d_buf is not NULL. 1370 (getcfi_scn_eh_frame): Check d_buf is not NULL. 1371 13722015-01-02 Mark Wielaard <mjw@redhat.com> 1373 1374 * dwarf_getlocation.c (__libdw_intern_expression): Check dbg is not 1375 NULL for DW_OP_call_ref and DW_OP_GNU_implicit_pointer. For 1376 DW_OP_addr if dbg is NULL then read argument directly. 1377 13782015-01-14 Jason P. Leasure <jpleasu@super.org> 1379 1380 * dwarf_formref_die.c (dwarf_formref_die): Offset is cu->type_offset 1381 plus cu->start. 1382 13832014-12-27 Mark Wielaard <mjw@redhat.com> 1384 1385 * dwarf_siblingof.c (dwarf_siblingof): Check sibling attribute offset 1386 still falls inside CU data. 1387 13882015-01-11 Mark Wielaard <mjw@redhat.com> 1389 1390 * dwarf_func_inline.c (dwarf_func_inline_instances): Call 1391 __libdw_visit_scopes with NULL imports. 1392 * dwarf_getfuncs.c (dwarf_getfuncs): Likewise. 1393 * dwarf_getscopes.c (pc_record): Likewise. 1394 (dwarf_getscopes): Likewise. 1395 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise. 1396 * libdwP.h (__libdw_visit_scopes): Add imports argument. 1397 * libdw_visit_scopes.c (__libdw_visit_scopes): Likewise. Add new 1398 function imports_contains. Push and pop imports around walk_children 1399 when processing DW_TAG_imported_unit. 1400 14012014-12-18 Ulrich Drepper <drepper@gmail.com> 1402 1403 * Makefile.am: Suppress output of textrel_check command. 1404 14052014-12-16 Mark Wielaard <mjw@redhat.com> 1406 1407 * dwarf_getsrclines.c (read_srclines): Check diridx is valid under 1408 DW_LNE_define_file. 1409 14102014-12-16 Mark Wielaard <mjw@redhat.com> 1411 1412 * dwarf_getpubnames.c (dwarf_getpubnames): Make sure there is enough 1413 space to read die offset. 1414 14152014-12-16 Mark Wielaard <mjw@redhat.com> 1416 1417 * dwarf_getsrclines.c (read_srclines): Correct overflow check for 1418 unit_length. 1419 14202014-12-15 Mark Wielaard <mjw@redhat.com> 1421 1422 * dwarf_getpubnames.c (get_offsets): Make sure whole unit fall inside 1423 section data. Set error to DWARF_E_NO_ENTRY if cnt is zero. 1424 (dwarf_getpubnames): Make sure section data contains string zero 1425 terminator. 1426 14272014-12-16 Mark Wielaard <mjw@redhat.com> 1428 1429 * memory-access.h (__libdw_get_sleb128): Unroll the first step to help 1430 the compiler optimize for the common single-byte case. 1431 14322014-12-15 Josh Stone <jistone@redhat.com> 1433 1434 * memory-access.h (__libdw_max_len_leb128): New. 1435 (__libdw_get_uleb128): Use __libdw_max_len_leb128. 1436 (__libdw_get_sleb128): Likewise. 1437 14382014-12-14 Mark Wielaard <mjw@redhat.com> 1439 1440 * cfi.c (execute_cfi): Add program bounds checks. 1441 * dwarf_child.c (__libdw_find_attr): Add attrp bounds checks. 1442 * dwarf_formblock.c (dwarf_formblock): Call get_uleb128 with endp. 1443 * dwarf_formref.c (__libdw_formref): Add datap bounds checks. 1444 * dwarf_formsdata.c (dwarf_formsdata): Likewise. 1445 * dwarf_formudata.c (dwarf_formudata): Likewise. 1446 * dwarf_frame_register.c (dwarf_frame_register): Call get_uleb128 1447 with end of data buf. 1448 * dwarf_getabbrev.c (__libdw_getabbrev): Add abbrevp bounds checks. 1449 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Assume get_uleb128 1450 call gets enough data. 1451 * dwarf_getattrs,c (dwarf_getattrs): Call get_uleb128 with endp. 1452 * dwarf_getlocation.c (store_implicit_value): Call get_uleb128 1453 with enough data. 1454 (__libdw_intern_expression): Call get_uleb128/get_sleb128 with 1455 end_data. 1456 * dwarf_getmacros.c (get_table_for_offset): Add nforms bounds check. 1457 * dwarf_getsrclines.c (read_srclines): Bounds check linep and call 1458 get_uleb128 with lineendp. 1459 * dwarf_hasattr.c (dwarf_hasattr): Bounds check attrp and call 1460 get_uleb128 with endp. 1461 * dwarf_next_cfi.c (dwarf_next_cfi): Bounds check bytes and call 1462 get_uleb128/get_sleb128 with limit. 1463 * encoded-value.h (read_encoded_value): Assume get_uleb128 and 1464 get_sleb128 get called with enough data. 1465 * fde.c (intern_fde): Call get_uleb128 with instructions_end. 1466 * libdwP.h (__libdw_dieabbrev): Call get_uleb128 with die->cu->endp. 1467 * libdw_form.c (__libdw_form_val_compute_len): Call get_uleb128 with 1468 endp. 1469 * memory-access.h (__libdw_get_uleb128): Take an extra endp. 1470 Don't call get_uleb128_step if out of data. 1471 (__libdw_get_sleb128): Likewise for get_sleb128_step. 1472 14732014-12-12 Mark Wielaard <mjw@redhat.com> 1474 1475 * libdwP.h (struct Dwarf): Add fake_loc_cu. 1476 (cu_data): Removed. 1477 (DIE_OFFSET_FROM_CU_OFFSET): Don't use cu_data, use cu_sec_idx. 1478 (__libdw_form_val_compute_len): Drop dbg and endp arguments. 1479 (__libdw_form_val_len): Likewise. 1480 * libdw_form.c (__libdw_form_val_compute_len): Likewise. 1481 * libdw_findcu.c (__libdw_intern_next_unit): Don't use cu_data, use 1482 the already found data buffer directly. 1483 * dwarf_begin_elf.c (valid_p): Setup fake_loc_cu. 1484 * dwarf_end.c (dwarf_end): Free fake_loc_cu. 1485 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len with 1486 just cu. 1487 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1488 * dwarf_formblock.c (dwarf_formblock): Add bounds checking. 1489 * dwarf_getlocation_attr.c (attr_form_cu): New function. 1490 (dwarf_getlocation_attr): Use attr_form_cu to set result->cu. 1491 (getlocation): Handle empty blocks immediately. 1492 * dwarf_getlocation_implicit_pointer.c (empty_cu): New static var. 1493 (__libdw_empty_loc_attr): Drop cu argument, use empty_cu. 1494 (dwarf_getlocation_implicit_pointer): Call __libdw_empty_loc_attr with 1495 one argument. 1496 * dwarf_getmacros.c (read_macros): Also setup startp and endp for 1497 fake_cu. Call __libdw_form_val_len with just fake_cu. 1498 * dwarf_formref_die.c (dwarf_formref_die): Don't use cu_data, get 1499 datap and size directly from cu startp and endp. 1500 15012014-12-11 Mark Wielaard <mjw@redhat.com> 1502 1503 * libdw_findcu.c (__libdw_intern_next_unit): Sanity check offset. 1504 15052014-12-13 Mark Wielaard <mjw@redhat.com> 1506 1507 * dwarf_getaranges.c (compare_aranges): Make sure Dwarf_Addr 1508 difference doesn't wrap around before returning as int. 1509 15102014-12-11 Josh Stone <jistone@redhat.com> 1511 1512 * dwarf_getsrclines.c (struct linelist): Add sequence. 1513 (compare_lines): Take linelists, and break ties by sequence. 1514 (read_srclines): Use linelists for sorting. 1515 (read_srclines::add_new_line): Set sequence. 1516 15172014-12-10 Josh Stone <jistone@redhat.com> 1518 1519 * libdwP.h (Dwarf_CU): Add startp and endp boundaries. 1520 * libdw_findcu.c (__libdw_intern_next_unit): Set startp and endp. 1521 * dwarf_child.c (dwarf_child): Use cu->endp. 1522 * dwarf_cuoffset.c (dwarf_cuoffset): Use cu->startp. 1523 * dwarf_dieoffset.c (dwarf_dieoffset): Use cu->startp. 1524 * dwarf_siblingof.c (dwarf_siblingof): Use both. 1525 15262014-12-10 Josh Stone <jistone@redhat.com> 1527 1528 * dwarf_hasattr.c (dwarf_hasattr): Just walk abbrev for presence. 1529 15302014-12-10 Josh Stone <jistone@redhat.com> 1531 1532 * libdwP.h (__libdw_dieabbrev): New die->abbrev lookup function. 1533 * dwarf_child.c (__libdw_find_attr, dwarf_child): Use it. 1534 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1535 * dwarf_haschildren.c (dwarf_haschildren): Likewise. 1536 * dwarf_tag.c (dwarf_tag): Likewise. 1537 15382014-12-04 Mark Wielaard <mjw@redhat.com> 1539 1540 * libdwP.h (__libdw_form_val_compute_len): Add endp argument. 1541 (__libdw_form_val_len): Likewise and check len doesn't overflow. 1542 * libdw_form.c (__libdw_form_val_compute_len): Likewise. 1543 * dwarf_child.c (__libdw_find_attr): Call __libdw_form_val_len 1544 with endp. 1545 * dwarf_getattrs.c (dwarf_getattrs): Likewise. 1546 * dwarf_getmacros.c (read_macros): Likewise and check for errors. 1547 15482014-12-02 Petr Machata <pmachata@redhat.com> 1549 1550 * dwarf_getmacros.c (token_from_offset, offset_from_token): New 1551 helper functions. 1552 (do_dwarf_getmacros_die): Merge into dwarf_getmacros. 1553 * libdw.h (DWARF_GETMACROS_START): New macro. 1554 15552014-11-27 Mark Wielaard <mjw@redhat.com> 1556 1557 * Makefile.am (libdw.so): Use textrel_check. 1558 15592014-11-27 Mark Wielaard <mjw@redhat.com> 1560 1561 * dwarf_getcfi_elf.c (getcfi_gnu_eh_frame): Initialize 1562 search_table_entries and search_table_encoding. 1563 15642014-11-24 Mark Wielaard <mjw@redhat.com> 1565 1566 * dwarf_getsrclines.c (read_srclines): Check line_range is not zero 1567 before usage. 1568 15692014-11-23 Mark Wielaard <mjw@redhat.com> 1570 1571 * dwarf_attr.c (dwarf_attr): Check __libdw_find_attr return value. 1572 * dwarf_hasattr.c (dwarf_hasattr): Likewise. 1573 * dwarf_siblingof.c (dwarf_siblingof): Likewise. 1574 15752014-11-23 Mark Wielaard <mjw@redhat.com> 1576 1577 * dwarf_getabbrev.c (__libdw_getabbrev): Don't assert on bad DWARF. 1578 Set libdw errno and return NULL. 1579 15802014-11-24 Mark Wielaard <mjw@redhat.com> 1581 1582 * dwarf.h (DW_LANG_C_plus_plus_11): Added. 1583 (DW_LANG_C11): Likewise. 1584 (DW_LANG_C_plus_plus_14): Likewise. 1585 * dwarf_aggregate_size.c (array_size): Handle DW_LANG_C11, 1586 DW_LANG_C_plus_plus_11, DW_LANG_C_plus_plus_14 and DW_LANG_Go 1587 lower bound. 1588 * dwarf_getfuncs.c (dwarf_getfuncs): Set c_cu to true for 1589 DW_LANG_C11. 1590 15912014-11-26 Mark Wielaard <mjw@redhat.com> 1592 1593 * dwarf.h (DW_AT_noreturn): Added. 1594 15952014-11-11 Mark Wielaard <mjw@redhat.com> 1596 1597 * dwarf_getsrclines.c (read_srclines): Do address_size comparison 1598 explicitly as uint8_t. 1599 (__libdw_getsrclines): Add internal_function to declaration. 1600 16012014-09-10 Petr Machata <pmachata@redhat.com> 1602 1603 * dwarf_macro_getparamcnt.c: New file. 1604 * dwarf_macro_param.c: New file. 1605 * dwarf_macro_getsrcfiles.c: New file. 1606 * Makefile.am (libdw_a_SOURCES): Add the new files. 1607 * libdwP.h (struct files_lines_s): New structure. 1608 (DWARF_E_INVALID_OPCODE): New enumerator. 1609 (struct Dwarf): New fields macro_ops, files_lines. 1610 (Dwarf_Macro_Op_Proto, Dwarf_Macro_Op_Table): New structures for 1611 keeping macro opcode prototypes in. 1612 (Dwarf_Macro_s): Redefine from scratch. 1613 (__libdw_getsrclines, __libdw_getcompdir, libdw_macro_nforms): New 1614 internal interfaces. 1615 * dwarf_error.c (errmsgs): Add a message for 1616 DWARF_E_INVALID_OPCODE. 1617 * dwarf_end.c (dwarf_end): Destroy struct Dwarf.macro_ops and 1618 files_lines. 1619 * libdw.h (dwarf_getmacros_off, dwarf_macro_getparamcnt) 1620 (dwarf_macro_getsrcfiles, dwarf_macro_param): New public 1621 interfaces. 1622 * dwarf_getmacros.c (dwarf_getmacros_off): New function, 1623 (get_offset_from, macro_op_compare, build_table) 1624 (init_macinfo_table, get_macinfo_table, get_table_for_offset) 1625 (cache_op_table, read_macros, gnu_macros_getmacros_off) 1626 (macro_info_getmacros_off, do_dwarf_getmacros_die): New helper 1627 functions. 1628 (dwarf_getmacros): Adjust to dispatch to the new interfaces. 1629 * dwarf_getsrclines.c (read_srclines): New function with guts 1630 taken from dwarf_getsrclines. 1631 (__libdw_getsrclines): Likewise. 1632 (__libdw_getcompdir, files_lines_compare): New functions. 1633 (dwarf_getsrclines): Make it dispatch to the new interfaces. 1634 * dwarf_macro_param1.c (dwarf_macro_param1): Adjust to dispatch to 1635 the new interfaces. 1636 * dwarf_macro_param2.c (dwarf_macro_param2): Likewise. 1637 * libdw.map (ELFUTILS_0.161): New. Add dwarf_getmacros_off, 1638 dwarf_macro_getsrcfiles, dwarf_macro_getparamcnt, dwarf_macro_param. 1639 16402014-10-06 Mark Wielaard <mjw@redhat.com> 1641 1642 * Makefile.am (libdw_a_SOURCES): Add dwarf_peel_type.c. 1643 * dwarf_aggregate_size.c (get_type): Use dwarf_peel_type. 1644 (aggregate_size): Likewise. Add old and new version. 1645 * dwarf_peel_type.c: New file. 1646 * libdw.h (dwarf_peel_type): New function declaration. 1647 * libdwP.h (dwarf_peel_type): New internal declaration. 1648 * libdw.map (ELFUTILS_0.161): New section. 1649 16502014-10-15 Petr Machata <pmachata@redhat.com> 1651 1652 * libdwP.h (struct Dwarf_Files_s.cu): Drop field. 1653 * dwarf_getsrclines.c (dwarf_getsrclines): Don't set it. 1654 16552014-10-05 Mark Wielaard <mjw@redhat.com> 1656 1657 * dwarf.h: Add DW_AT_GNU_deleted. 1658 16592014-10-02 Mark Wielaard <mjw@redhat.com> 1660 1661 * dwarf_aggregate_size.c (aggregate_size): Return CU address_size 1662 for sizeless DW_TAG_pointer_type, DW_TAG_reference_type or 1663 DW_TAG_rvalue_reference_type. 1664 16652014-09-12 Petr Machata <pmachata@redhat.com> 1666 1667 * memory-access.h (read_ubyte_unaligned_inc): Allow only 4- and 1668 8-byte quantities. Consequently, rename to... 1669 (read_addr_unaligned_inc): ... this. 1670 (read_sbyte_unaligned_inc, read_ubyte_unaligned): Drop. 1671 (read_sbyte_unaligned): Drop. 1672 16732014-09-10 Petr Machata <pmachata@redhat.com> 1674 1675 * dwarf_getlocation.c (attr_ok): Also accept 1676 DW_AT_GNU_call_site_value, DW_AT_GNU_call_site_data_value, 1677 DW_AT_GNU_call_site_target, DW_AT_GNU_call_site_target_clobbered. 1678 16792014-08-15 Mark Wielaard <mjw@redhat.com> 1680 1681 * dwarf_cu_die.c: New file. 1682 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_die.c. 1683 * libdw.h (dwarf_cu_die): New function declaration. 1684 * libdw.map (ELFUTILS_0.160): Add dwarf_cu_die. 1685 16862014-08-15 Mark Wielaard <mjw@redhat.com> 1687 1688 * dwarf_cu_getdwarf.c: New file. 1689 * Makefile.am (libdw_a_SOURCES): Add dwarf_cu_getdwarf.c. 1690 * libdw.h (Dwarf_CU): New typedef. 1691 (dwarf_cu_getdwarf): New function declaration. 1692 * libdw.map (ELFUTILS_0.160): New. Add dwarf_cu_getdwarf. 1693 16942014-06-18 Mark Wielaard <mjw@redhat.com> 1695 1696 * dwarf.h: Remove DW_TAG_mutable_type. 1697 16982014-05-02 Mark Wielaard <mjw@redhat.com> 1699 1700 * libdwP.h (__check_build_id): Removed now unused. 1701 17022014-05-01 Mark Wielaard <mjw@redhat.com> 1703 1704 * libdwP.h (struct Dwarf): Remove free_alt. 1705 * dwarf_end.c (dwarf_end): Don't check free_alt, don't end alt_dwarf. 1706 * dwarf_setalt.c (dwarf_setalt): Don't check or set free_alt. 1707 17082014-04-30 Mark Wielaard <mjw@redhat.com> 1709 1710 * libdw.map (ELFUTILS_0.159): Add dwelf_elf_gnu_build_id. 1711 17122014-04-15 Florian Weimer <fweimer@redhat.com> 1713 1714 * dwarf_begin_elf.c (__check_build_id, try_debugaltlink) 1715 (open_debugaltlink): Move to libdwfl. 1716 (check_section): Do not locate alternate debuginfo. 1717 17182014-04-24 Florian Weimer <fweimer@redhat.com> 1719 1720 * libdw.map (ELFUTILS_0.159): Export dwelf_dwarf_gnu_debugaltlink. 1721 17222014-04-22 Florian Weimer <fweimer@redhat.com> 1723 1724 * dwarf_getalt.c, dwarf_setalt.c: New files. 1725 * Makefile.am (libdw_a_SOURCES): Add them. 1726 * libdw.h (dwarf_getalt, dwarf_setalt): Add function declarations. 1727 * libdwP.h (dwarf_getalt, dwarf_setalt): Add internal function 1728 declarations. 1729 * libdw.map (ELFUTILS_0.159): Export the two new functions. 1730 17312014-04-15 Florian Weimer <fweimer@redhat.com> 1732 1733 * libdwP.h (enum IDX_gnu_debugaltlink): New. 1734 * dwarf_begin_elf.c (dwarf_scnnames): Increase string size and add 1735 .gnu_debugaltlink. 1736 (check_section): Obtain .gnu_debugaltlink section from the 1737 setiondata array. 1738 17392014-04-11 Mark Wielaard <mjw@redhat.com> 1740 1741 * libdw.map (ELFUTILS_0.159): New. Add dwelf_elf_gnu_debuglink. 1742 * Makefile.am (libdw.so): Depend on libdwelf_pic.a. 1743 (libdwelf_objects): New variable. 1744 (libdw_a_LIBADD): Add libdwelf objects. 1745 17462014-04-22 Mark Wielaard <mjw@redhat.com> 1747 1748 * memory-access.h (get_sleb128_step): Remove undefined behavior 1749 of left shifting a signed value. Replace it with a multiplication. 1750 17512014-04-13 Mark Wielaard <mjw@redhat.com> 1752 1753 * Makefile.am: Remove !MUDFLAP conditions. 1754 17552014-04-09 Mark Wielaard <mjw@redhat.com> 1756 1757 * dwarf_begin_elf.c (check_section): Check for unsigned overflow 1758 before calling malloc to uncompress data. 1759 17602014-03-03 Jan Kratochvil <jan.kratochvil@redhat.com> 1761 1762 Fix abort() on missing section headers. 1763 * dwarf_begin_elf.c (check_section): Replace abort call by goto err. 1764 New label err to return NULL. 1765 17662014-02-05 Josh Stone <jistone@redhat.com> 1767 1768 * dwarf_decl_file.c (dwarf_decl_file): Read the idx as unsigned. 1769 * dwarf_decl_line.c (__libdw_attr_intval): Read the line/column as 1770 unsigned. Change the range assert to DWARF_E_INVALID_DWARF. 1771 17722013-12-30 Mark Wielaard <mjw@redhat.com> 1773 1774 * libdw.map (ELFUTILS_0.158): Add dwfl_core_file_attach and 1775 dwfl_linux_proc_attach. 1776 17772013-12-20 Mark Wielaard <mjw@redhat.com> 1778 1779 * libdw.map (ELFUTILS_0.158): Add dwfl_getthread_frames. 1780 17812013-12-18 Mark Wielaard <mjw@redhat.com> 1782 1783 * libdw.map (ELFUTILS_0.158): Remove dwfl_module_addrsym_elf and 1784 dwfl_module_getsym_elf. Add dwfl_module_addrinfo and 1785 dwfl_module_getsym_info. 1786 17872013-12-16 Mark Wielaard <mjw@redhat.com> 1788 1789 * libdw.map (ELFUTILS_0.158): Add dwfl_module_getsymtab_first_global. 1790 17912013-12-10 Josh Stone <jistone@redhat.com> 1792 1793 * memory-access.h (get_uleb128_rest_return): Removed. 1794 (get_sleb128_rest_return): Removed. 1795 (get_uleb128_step): Make this a self-contained block. 1796 (get_sleb128_step): Ditto, and use a bitfield to extend signs. 1797 (get_uleb128): Make this wholly implemented by __libdw_get_uleb128. 1798 (get_sleb128): Make this wholly implemented by __libdw_get_sleb128. 1799 (__libdw_get_uleb128): Simplify and inline for all callers. 1800 (__libdw_get_sleb128): Ditto. 1801 * dwarf_getlocation.c (store_implicit_value): Void the unused uleb128. 1802 * memory-access.c: Delete file. 1803 * Makefile.am (libdw_a_SOURCES): Remove it. 1804 (DEFS): Remove the now unused -DIS_LIBDW. 1805 18062013-12-09 Josh Stone <jistone@redhat.com> 1807 1808 * libdw_form.c (__libdw_form_val_compute_len): Renamed function from 1809 __libdw_form_val_len, now handling only non-constant form lengths. 1810 * libdwP.h (__libdw_form_val_len): New inlined function. 1811 18122013-12-09 Mark Wielaard <mjw@redhat.com> 1813 1814 * dwarf_getlocation.c (__libdw_intern_expression): Handle empty 1815 location expressions. 1816 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): When no 1817 location found, return empty location expression. 1818 * dwarf_getlocation_implicit_pointer.c 1819 (dwarf_getlocation_implicit_pointer): Likewise. 1820 (__libdw_empty_loc_attr): New internal function. 1821 * libdwP.h (__libdw_empty_loc_attr): Define. 1822 18232013-11-27 Mark Wielaard <mjw@redhat.com> 1824 1825 * libdw.map (ELFUTILS_0.158): Add dwfl_module_addrsym_elf and 1826 dwfl_module_getsym_elf. 1827 18282013-11-26 Mark Wielaard <mjw@redhat.com> 1829 1830 * libdw.map (ELFUTILS_0.156): Move dwfl_attach_state, dwfl_pid, 1831 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread, 1832 dwfl_thread_state_registers, dwfl_thread_state_register_pc, 1833 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc to ... 1834 (ELFUTILS_0.158): ... here. 1835 18362013-11-09 Mark Wielaard <mjw@redhat.com> 1837 1838 * dwarf_getaranges.c (dwarf_getaranges): Read segment_size and 1839 check that it is zero. 1840 18412013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1842 1843 * cfi.h (struct Dwarf_Frame_s): Make the comment more specific. 1844 * libdw.map (ELFUTILS_0.156): Add dwfl_attach_state, dwfl_pid, 1845 dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread, 1846 dwfl_thread_state_registers, dwfl_thread_state_register_pc, 1847 dwfl_getthreads, dwfl_thread_getframes and dwfl_frame_pc. 1848 18492013-11-01 Michael Forney <mforney@mforney.org> 1850 1851 * Makefile.am (libdwfl_objects): New definition. 1852 (libdw_a_LIBADD): Use libdwfl_objects. 1853 18542013-11-01 Michael Forney <mforney@mforney.org> 1855 1856 * Makefile.am: Use READELF. 1857 18582013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1859 1860 * libdw.map (ELFUTILS_0.158): New. 1861 18622013-10-10 Mark Wielaard <mjw@redhat.com> 1863 1864 * dwarf_getfuncs.c (struct visitor_info): Rename start_offset to 1865 start_addr and rename last_offset to last_addr. Now both void *. 1866 (tree_visitor): Use start_add and die_addr instead of start_offset 1867 and die_offset. 1868 (dwarf_getfuncs): Use last_addr instead of last_offset. 1869 18702013-10-06 Mark Wielaard <mjw@redhat.com> 1871 1872 * cfi.c (execute_cfi): Make sure DW_CFA_expression and 1873 DW_CFA_val_expression are not used with abi_cfi. 1874 18752013-10-03 Josh Stone <jistone@redhat.com> 1876 1877 * dwarf_formref_die.c (dwarf_formref_die): Don't hash the sig8 here. 1878 * libdw_findcu.c (__libdw_intern_next_unit): Since this never revisits 1879 a unit, make sure to always hash the sig8 here, so none are missed. 1880 18812013-09-29 Mark Wielaard <mjw@redhat.com> 1882 1883 * dwarf_getlocation.c (store_implicit_value): Cast op->number2 to 1884 uintptr_t before casting to char *. 1885 (__libdw_intern_expression): Cast data to uintptr_t before casting 1886 to Dwarf_Word. 1887 * dwarf_getlocation_attr.c (dwarf_getlocation_attr): Cast 1888 op->number2 to uintptr_t before casting to char *. 1889 18902013-09-24 Josh Stone <jistone@redhat.com> 1891 1892 * libdw_visit_scopes.c (classify_die): Removed. 1893 (may_have_scopes): New function to replace classify_die. There's no 1894 need for full classification; just find tags that may contain scopes. 1895 (__libdw_visit_scopes): Use a direct tag comparison for imported 1896 units, and use may_have_scopes to test if recursion is needed. 1897 18982013-09-20 Mark Wielaard <mjw@redhat.com> 1899 1900 * dwarf_getfuncs.c (visitor_info): New struct. 1901 (tree_visitor): New function. 1902 (dwarf_getfuncs): Use __libdw_visit_scopes with tree_visitor. 1903 * libdw.h (dwarf_getfuncs): Expand function documentation. 1904 19052013-09-12 Mark Wielaard <mjw@redhat.com> 1906 1907 * fde.c (intern_fde): Free fde and set libdw errno when start 1908 or end could not be read. 1909 19102013-08-24 Mark Wielaard <mjw@redhat.com> 1911 1912 * dwarf_getlocation.c (store_implicit_value): Don't take data 1913 as argument, get block data from op number2. Return false when 1914 block data length and op number don't match up. 1915 (__libdw_intern_expression): Store start of block for 1916 DW_OP_implicit_value and DW_OP_GNU_entry_value instead of 1917 relative data offset. Also store block start (including length) 1918 for DW_OP_GNU_const_type. Don't pass data to store_implicit_value. 1919 * dwarf_getlocation_attr.c: New file. 1920 * dwarf_getlocation_die.c: Likewise. 1921 * libdw.h (dwarf_getlocation_die): New function definition. 1922 (dwarf_getlocation_attr): Likewise. 1923 * libdwP.h: Declare internal dwarf_getlocation_die. 1924 * libdw.map (ELFUTILS_0.157): Add dwarf_getlocation_die and 1925 dwarf_getlocation_attr. 1926 * Makefile.am (libdw_a_SOURCES): Add dwarf_getlocation_die.c and 1927 dwarf_getlocation_attr.c. 1928 19292013-08-23 Mark Wielaard <mjw@redhat.com> 1930 1931 * dwarf_getlocation.c (attr_ok): Also accept DW_AT_segment. 1932 (attr_base_address): New function. 1933 (initial_offset_base): New function. 1934 (getlocations_addr): New function. Taken from... 1935 (dwarf_getlocation_addr): here. Use new initial_offset_base and 1936 getlocations_addr. 1937 (dwarf_getlocations): New function. 1938 * libdw.h (dwarf_getlocations): New function definition. 1939 * libdw.map (ELFUTILS_0.157): New. 1940 19412013-07-02 Mark Wielaard <mjw@redhat.com> 1942 1943 * dwarf_getsrclines.c (dwarf_getsrclines): Add new stack allocation 1944 limit MAX_STACK_ALLOC. After MAX_STACK_ALLOC lines use malloc in 1945 NEW_LINE macro. Free malloced line records if any at the end. 1946 19472013-07-02 Mark Wielaard <mjw@redhat.com> 1948 1949 * dwarf_getcfi_elf.c (getcfi_shdr): Check sh_type == SHT_PROGBITS. 1950 19512013-06-26 Mark Wielaard <mjw@redhat.com> 1952 1953 * libdw_visit_scopes.c (__libdw_visit_scopes): Don't reject root 1954 DIEs without children. Return an error whenever dwarf_child or 1955 dwarf_siblingof return an error. Don't call recurse and increase 1956 the depth for an imported unit. Walk the children of an imported 1957 unit as if they are logical children of the parent root DIE. 1958 19592013-05-03 Mark Wielaard <mjw@redhat.com> 1960 1961 * dwarf_getsrclines.c (dwarf_getsrclines): Only set end_sequence 1962 when nlinelist > 0. 1963 19642013-04-28 Jan Kratochvil <jan.kratochvil@redhat.com> 1965 1966 * libdw.map (ELFUTILS_0.156): New. 1967 19682013-04-24 Mark Wielaard <mjw@redhat.com> 1969 1970 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. 1971 19722013-04-10 Mark Wielaard <mjw@redhat.com> 1973 1974 * dwarf_formref_die.c (dwarf_formref_die): Reference size is only 1975 equal to address size when we have a DW_FORM_ref_addr for DWARF 1976 version 2. 1977 19782013-03-25 Mark Wielaard <mjw@redhat.com> 1979 1980 * dwarf_getsrclines.c (dwarf_getsrclines): Mark highest address as 1981 end_sequence. 1982 19832013-03-12 Mark Wielaard <mjw@redhat.com> 1984 1985 * dwarf_getsrcfiles.c (dwarf_getsrcfiles): Allow DW_TAG_partial_unit. 1986 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 1987 19882013-02-15 Mark Wielaard <mjw@redhat.com> 1989 1990 * dwarf_formstring.c (dwarf_formstring): Check dbg_ret->sectiondata, 1991 not dbg->sectiondata. 1992 19932013-01-07 Roland McGrath <roland@hack.frob.com> 1994 1995 * memory-access.h 1996 [ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New macro. 1997 [!ALLOW_UNALIGNED] (read_8ubyte_unaligned_noncvt): New inline function. 1998 19992012-12-18 Mark Wielaard <mjw@redhat.com> 2000 2001 * dwarf_begin_elf.c (valid_p): Call Dwarf_Sig8_Hash_free if invalid. 2002 (check_section): Likewise on error. 2003 (scngrp_read): Likewise. 2004 (dwarf_begin_elf): Likewise. 2005 20062012-10-09 Petr Machata <pmachata@redhat.com> 2007 2008 * dwarf_getlocation.c (__libdw_intern_expression): Handle 2009 DW_OP_GNU_parameter_ref, DW_OP_GNU_convert, DW_OP_GNU_reinterpret, 2010 DW_OP_GNU_regval_type, DW_OP_GNU_entry_value, 2011 DW_OP_GNU_deref_type, DW_OP_GNU_const_type. 2012 20132012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2014 2015 * cfi.c: New include system.h. 2016 (execute_cfi) (enough_registers): Clear new memory after realloc. 2017 20182012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2019 2020 * fde.c (__libdw_find_fde): Change <fde != NULL> to likely. Return 2021 DWARF_E_NO_MATCH if .eh_frame_hdr points to FDE which is too short for 2022 searched PC. 2023 20242012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2025 2026 * dwarf_getlocation.c (__libdw_intern_expression) <cfap>: Make new 2027 loclist element DW_OP_call_frame_cfa before decoding the opcodes. 2028 Remove the later DW_OP_call_frame_cfa push to RESULT. 2029 20302012-10-08 Jan Kratochvil <jan.kratochvil@redhat.com> 2031 2032 Code cleanup. 2033 * fde.c (binary_search_fde): Remove always true <address >= start> 2034 conditional. Move L initialization upwards. 2035 20362012-08-24 Mark Wielaard <mjw@redhat.com> 2037 2038 * dwarf_begin_elf.c (check_section): Only probe for dwz multi files 2039 when ENABLE_DWZ is defined. 2040 * libdwP.h (__check_build_id): Only declare when ENABLE_DWZ is 2041 defined. 2042 20432012-08-16 Mark Wielaard <mjw@redhat.com> 2044 2045 * Makefile.am (EXTRA_DIST): Add known-dwarf.h. 2046 * dwarf.h (DW_LANG_Go): Update comment. 2047 (DW_LANG_Mips_Assembler): Likewise. 2048 20492012-06-27 Mark Wielaard <mjw@redhat.com> 2050 2051 * dwarf.h: Add DW_FORM_GNU_ref_alt and DW_FORM_GNU_strp_alt. 2052 * dwarf_begin.c (dwarf_begin): Add INTDEF. 2053 * dwarf_begin_elf.c (__check_build_id): New internal_function. 2054 (try_debugaltlink): New function. 2055 (open_debugaltlink): Likewise. 2056 (check_section): Try open_debugaltlink for .gnu_debugaltlink. 2057 * dwarf_end.c (dwarf_end): Free the alternative Dwarf descriptor if 2058 necessary. 2059 * dwarf_error.c (errmsgs): Add DWARF_E_NO_ALT_DEBUGLINK. 2060 * dwarf_formref.c (__libdw_formref): Using DW_FORM_GNU_ref_alt 2061 is an error here. 2062 * dwarf_formref_die.c (dwarf_formref_die): Handle DW_FORM_GNU_ref_alt. 2063 * dwarf_formstring.c (dwarf_formstring): Handle DW_FORM_GNU_strp_alt. 2064 * dwarf_formudata.c (__libdw_formptr): Adjust __libdw_read_offset 2065 calls. 2066 * dwarf_getpubnames.c (get_offsets): Adjust __libdw_read_offset call. 2067 * libdwP.h: Add DWARF_E_NO_ALT_DEBUGLINK. 2068 (struct Dwarf): Add alt_dwarf and free_alt fields. 2069 (__libdw_read_offset): Add dbg_ret argument, use to check with 2070 __libdw_offset_in_section. 2071 (__check_build_id): New function declaration. 2072 (dwarf_begin): Define as INTDECL. 2073 * libdw_form.c (__libdw_form_val_len): Handle DW_FORM_GNU_ref_alt 2074 and DW_FORM_GNU_strp_alt. 2075 20762012-07-19 Mark Wielaard <mjw@redhat.com> 2077 2078 * dwarf.h: Add DW_OP_GNU_parameter_ref. 2079 20802012-07-24 Mark Wielaard <mjw@redhat.com> 2081 2082 * dwarf.h: Correct spelling of DW_LANG_ObjC. 2083 * dwarf_aggregate_size.c (array_size): Use correct spelling of 2084 DW_LANG_ObjC. 2085 20862012-07-24 Mark Wielaard <mjw@redhat.com> 2087 2088 * dwarf.h: Add DW_ATE_UTF. 2089 20902012-06-27 Mark Wielaard <mjw@redhat.com> 2091 2092 * dwarf.h: Add DW_MACRO_GNU .debug_macro type encodings. 2093 20942012-06-26 Mark Wielaard <mjw@redhat.com> 2095 2096 * libdwP.h: Add IDX_debug_macro. 2097 * dwarf.h: Add DW_AT_GNU_macros. 2098 * dwarf_begin_elf.c (dwarf_scnnames): Add .debug_macro. 2099 * dwarf_formudata.c (dwarf_formudata): Recognize DW_AT_GNU_macros. 2100 21012012-04-27 Mark Wielaard <mjw@redhat.com> 2102 2103 * libdw/dwarf_highpc.c (dwarf_highpc): Handle DW_AT_high_pc being 2104 a constant offset from DW_AT_low_pc. 2105 21062012-03-19 Tom Tromey <tromey@redhat.com> 2107 2108 * libdw_findcu.c (findcu_cb): Move earlier. 2109 (__libdw_intern_next_unit): Add new CU to search tree here... 2110 (__libdw_findcu): ... not here. 2111 21122012-01-31 Mark Wielaard <mjw@redhat.com> 2113 2114 * dwarf_formudata.c (dwarf_formudata): Handle DW_FORM_sec_offset. 2115 21162011-11-31 Mark Wielaard <mjw@redhat.com> 2117 2118 * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk. 2119 21202011-07-14 Mark Wielaard <mjw@redhat.com> 2121 2122 * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info. 2123 21242011-05-16 Jakub Jelinek <jakub@redhat.com> 2125 2126 * dwarf.h (DW_OP_GNU_const_type, DW_OP_GNU_regval_type, 2127 DW_OP_GNU_deref_type, DW_OP_GNU_convert, DW_OP_GNU_reinterpret): 2128 New. 2129 21302011-04-26 Mark Wielaard <mjw@redhat.com> 2131 2132 * dwarf_child (dwarf_child): Sanity check end of section against 2133 cu_data () of die->cu. 2134 21352011-03-22 Mark Wielaard <mjw@redhat.com> 2136 2137 * dwarf.h: Add DW_TAG_GNU_call_site, 2138 DW_TAG_GNU_call_site_parameter, 2139 DW_AT_GNU_call_site_value, 2140 DW_AT_GNU_call_site_data_value, 2141 DW_AT_GNU_call_site_target, 2142 DW_AT_GNU_call_site_target_clobbered, 2143 DW_AT_GNU_tail_call, 2144 DW_AT_GNU_all_tail_call_sites, 2145 DW_AT_GNU_all_call_sites, 2146 DW_AT_GNU_all_source_call_sites, 2147 and DW_OP_GNU_entry_value. 2148 21492011-03-10 Petr Machata <pmachata@redhat.com> 2150 2151 * libdw/dwarf_tag.c (__libdw_findabbrev): Reject requests for 2152 abbreviation with code 0. 2153 21542011-03-09 Petr Machata <pmachata@redhat.com> 2155 2156 * libdw/dwarf_child.c (dwarf_child): Check for section overrun. 2157 21582011-02-23 Roland McGrath <roland@redhat.com> 2159 2160 * libdwP.h (struct Dwarf) [USE_ZLIB]: New member sectiondata_gzip_mask. 2161 Declare __libdw_free_zdata. 2162 * dwarf_end.c [USE_ZLIB] (__libdw_free_zdata): New function. 2163 (dwarf_end): Call it. 2164 2165 * dwarf_begin_elf.c (valid_p): Likewise. 2166 (check_section, scngrp_read): Likewise. 2167 (check_section) [USE_ZLIB]: Grok .z* flavors of sections. 2168 21692010-10-13 Roland McGrath <roland@redhat.com> 2170 2171 * dwarf.h: Add DW_LANG_Go. 2172 21732010-10-05 Roland McGrath <roland@redhat.com> 2174 2175 * dwarf_getaranges.c: Use malloc rather than alloca, 2176 since the total number of elements can be quite huge. 2177 21782010-07-26 Roland McGrath <roland@redhat.com> 2179 2180 * dwarf_getlocation_implicit_pointer.c: New file. 2181 * Makefile.am (libdw_a_SOURCES): Add it. 2182 * libdw.map (ELFUTILS_0.149): New set. 2183 Add dwarf_getlocation_implicit_pointer. 2184 * libdw.h: Declare it. 2185 2186 * dwarf_offdie.c (do_offdie): Renamed to __libdw_offdie, made global. 2187 (dwarf_offdie, dwarf_offdie_types): Update callers. 2188 * libdwP.h: Declare it. 2189 2190 * dwarf.h: Add DW_OP_GNU_implicit_pointer. 2191 * dwarf_getlocation.c (__libdw_intern_expression): Handle it. 2192 21932010-08-24 Roland McGrath <roland@redhat.com> 2194 2195 * libdw.map (ELFUTILS_0.149): New set. Add dwfl_dwarf_line. 2196 21972010-07-27 Roland McGrath <roland@redhat.com> 2198 2199 * dwarf_formref_die.c: Fix sig8 hash insertion. 2200 22012010-06-23 Roland McGrath <roland@redhat.com> 2202 2203 * cfi.c (dwarf_cfi_validate_fde): Function removed. 2204 * libdw.h: Remove it. 2205 * libdw.map: Likewise. 2206 22072010-06-22 Roland McGrath <roland@redhat.com> 2208 2209 * dwarf_getlocation.c (check_constant_offset): data[48] are constant. 2210 2211 * dwarf_getsrclines.c: Fix signed comparison warning in extended 2212 opcode parsing. 2213 22142010-06-21 Roland McGrath <roland@redhat.com> 2215 2216 * dwarf.h: Add DW_TAG_GNU_* constants. 2217 2218 * memory-access.h (get_sleb128_rest_return): Fix sign extension for 2219 10-byte case. 2220 22212010-06-20 Roland McGrath <roland@redhat.com> 2222 2223 * libdw_findcu.c (__libdw_findcu): Take new flag argument, 2224 to search TUs instead of CUs. 2225 * libdwP.h: Update decl. 2226 (struct Dwarf): New member tu_tree. 2227 * dwarf_end.c (dwarf_end): Clean up tu_tree. 2228 * dwarf_offdie.c (do_offdie): New function, broken out of ... 2229 (dwarf_offdie): ... here. 2230 (dwarf_offdie_types): New function. 2231 * libdw.h: Declare it. 2232 * libdw.map (ELFUTILS_0.148): Add it. 2233 2234 * libdwP.h (CUDIE): Use cu_data. 2235 * dwarf_formblock.c: Likewise. 2236 * dwarf_formref_die.c: Likewise. 2237 * dwarf_diecu.c: Use CUDIE macro. 2238 * dwarf_formaddr.c: Use cu_sec_idx. 2239 22402010-06-16 Roland McGrath <roland@redhat.com> 2241 2242 * dwarf_formref_die.c: Use dwarf_offdie only for DW_FORM_ref_addr, so 2243 we don't repeat a CU lookup we've already done. Handle 2244 DW_FORM_ref_sig8 using sig8_hash table and __libdw_intern_next_unit. 2245 2246 * libdw_findcu.c (__libdw_intern_next_unit): New function, 2247 broken out of ... 2248 (__libdw_findcu): ... here. Call it. 2249 * libdwP.h: Declare it. 2250 (struct Dwarf): New member next_tu_offset. 2251 2252 * dwarf_sig8_hash.c: New file. 2253 * dwarf_sig8_hash.h: New file. 2254 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them. 2255 * dwarf_abbrev_hash.c: Include dwarf_sig8_hash.h before 2256 defining NO_UNDEF. 2257 * libdwP.h (struct Dwarf): New member sig8_hash. 2258 * dwarf_begin_elf.c: Call Dwarf_Sig8_Hash_init on it. 2259 * dwarf_end.c: Call Dwarf_Sig8_Hash_free on it. 2260 2261 * dwarf_nextcu.c (dwarf_next_unit): New function, broken out of ... 2262 (dwarf_nextcu): ... here. Call it. 2263 * libdw.h: Declare it. 2264 * libdwP.h: Add INTDECL. 2265 * libdw_findcu.c (__libdw_findcu): Use it instead of dwarf_nextcu. 2266 * libdw.map (ELFUTILS_0.148): New set, add dwarf_next_unit. 2267 2268 * libdwP.h (cu_sec_idx, cu_data): New functions. 2269 Use .debug_types when CU is a TU. 2270 * dwarf_cuoffset.c: Use that instead of assuming IDX_debug_info. 2271 * dwarf_siblingof.c: Likewise. 2272 * dwarf_formstring.c: Likewise. 2273 * dwarf_formudata.c (__libdw_formptr, dwarf_formudata): Likewise. 2274 * dwarf_getlocation.c (dwarf_getlocation): Likewise. 2275 (dwarf_getlocation_addr): Likewise. 2276 2277 * libdwP.h (struct Dwarf_CU): Add new members type_offset, type_sig8. 2278 (DIE_OFFSET_FROM_CU_OFFSET): Take flag argument; if true, compute 2279 .debug_types header size instead of .debug_info header size. 2280 (CUDIE): Use it. 2281 * dwarf_diecu.c: Update caller. 2282 * dwarf_getaranges.c: Likewise. 2283 * dwarf_nextcu.c: Likewise. 2284 * libdw_findcu.c (__libdw_findcu): Initialize new members. 2285 2286 * fde.c (fde_by_offset): Renamed to ... 2287 (__libdw_fde_by_offset): ... this, made global and internal_function. 2288 Don't take ADDRESS argument. 2289 (__libdw_find_fde): Update caller. Do address sanity check here. 2290 * cfi.h: Declare __libdw_fde_by_offset. 2291 * cfi.c (dwarf_cfi_validate_fde): New function. 2292 * libdw.h: Declare it. 2293 * libdw.map (ELFUTILS_0.148): Add it. 2294 2295 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to 2296 either DW_EH_PE_udata8 or DW_EH_PE_udata4. 2297 2298 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect. 2299 Don't assume DW_EH_PE_aligned refers to native address size. 2300 2301 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the 2302 address. 2303 23042010-06-17 Roland McGrath <roland@redhat.com> 2305 2306 * libdwP.h (struct Dwarf_Line_s): Add members isa, discriminator, and 2307 op_index. 2308 * dwarf_getsrclines.c (dwarf_getsrclines): Move NEW_FILE macro guts 2309 into an inner inline function. Set new fields. Check all fields for 2310 overflow when setting. 2311 * dwarf_lineisa.c: New file. 2312 * dwarf_linediscriminator.c: New file. 2313 * dwarf_lineop_index.c: New file. 2314 * Makefile.am (libdw_a_SOURCES): Add them. 2315 * libdw.map (ELFUTILS_0.148): Add them. 2316 * libdw.h: Declare them. 2317 23182010-06-16 Roland McGrath <roland@redhat.com> 2319 2320 * dwarf_next_cfi.c: Fix version 4 return_address_register decoding. 2321 2322 * fde.c (fde_by_offset): Renamed to ... 2323 (__libdw_fde_by_offset): ... this, made global and internal_function. 2324 Don't take ADDRESS argument. 2325 (__libdw_find_fde): Update caller. Do address sanity check here. 2326 * cfi.h: Declare __libdw_fde_by_offset. 2327 * cfi.c (dwarf_cfi_validate_fde): New function. 2328 * libdw.h: Declare it. 2329 * libdw.map (ELFUTILS_0.148): Add it. 2330 2331 * cie.c (intern_new_cie): Canonicalize DW_EH_PE_absptr FDE encoding to 2332 either DW_EH_PE_udata8 or DW_EH_PE_udata4. 2333 2334 * encoded-value.h (read_encoded_value): Handle DW_EH_PE_indirect. 2335 Don't assume DW_EH_PE_aligned refers to native address size. 2336 2337 * cfi.c (execute_cfi): Barf on CIE initial instructions changing the 2338 address. 2339 23402010-06-15 Roland McGrath <roland@redhat.com> 2341 2342 * dwarf_formref.c (__libdw_formref): Diagnose DW_FORM_ref_sig8 like 2343 DW_FORM_ref_addr. 2344 * dwarf_formref_die.c (dwarf_formref_die): Diagnose it the same way 2345 here, since we don't support it yet. 2346 2347 * dwarf_next_cfi.c: Handle version 4 format. 2348 2349 * dwarf_getsrclines.c: Handle version 4 format. 2350 23512010-06-01 Roland McGrath <roland@redhat.com> 2352 2353 * libdwP.h: Remove unused IDX_debug_*names, add IDX_debug_types. 2354 * dwarf_begin_elf.c (dwarf_scnnames): Likewise. 2355 2356 * libdwP.h (CIE_VERSION): Remove unused macro. 2357 2358 * dwarf_getsrclines.c: Fix version field test. 2359 * libdwP.h (DWARF_VERSION): Remove useless macro. 2360 2361 * dwarf_formudata.c (__libdw_formptr): Fix DW_FORM_sec_offset handling. 2362 2363 * dwarf_formblock.c (dwarf_formblock): Handle DW_FORM_exprloc. 2364 2365 * libdw_findcu.c (__libdw_findcu): Accept version 4. 2366 23672010-05-31 Mark Wielaard <mjw@redhat.com> 2368 2369 * cfi.h (dwarf_cfi_cie_p): Move definition from here, to .. 2370 * libdw.h (dwarf_cfi_cie_p): ... here. 2371 23722010-05-31 Mark Wielaard <mjw@redhat.com> 2373 2374 * dwarf.h: Fix DW_LANG_Python constant. 2375 23762010-05-28 Eduardo Santiago <santiago@redhat.com> 2377 2378 * dwarf_getlocation.c (dwarf_getlocation): Do attr_ok check first 2379 thing. 2380 23812010-05-27 Roland McGrath <roland@redhat.com> 2382 2383 * dwarf.h: Add DW_AT_enum_class, DW_AT_linkage_name, 2384 DW_TAG_template_alias, DW_LANG_Python, DW_LNE_set_discriminator. 2385 23862010-05-08 Roland McGrath <roland@redhat.com> 2387 2388 * dwarf_getlocation.c (__libdw_intern_expression): Take new argument 2389 REF_SIZE. Use that to handle DW_OP_call_ref correctly. 2390 (getlocation): Update caller. 2391 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise. 2392 * dwarf_frame_register.c (dwarf_frame_register): Likewise. 2393 * libdwP.h: Update decl. 2394 23952010-04-26 Roland McGrath <roland@redhat.com> 2396 2397 * cfi.h (struct Dwarf_Frame_s): Add cfa_invalid alternative in cfa_rule. 2398 * cfi.c (execute_cfi): Set that instead of doing cfi_assert for 2399 DW_CFA_def_cfa_{offset*,register} when a non-offset rule is in force. 2400 * dwarf_frame_cfa.c (dwarf_frame_cfa): Handle cfa_invalid. 2401 2402 * dwarf_getlocation.c (__libdw_intern_expression): Take new arg CFAP. 2403 Prepend DW_OP_call_frame_cfa if true. 2404 (getlocation): Update caller. 2405 * dwarf_frame_cfa.c (dwarf_frame_cfa): Likewise. 2406 * dwarf_frame_register.c (dwarf_frame_register): Likewise. 2407 * libdwP.h: Update decl. 2408 24092010-04-22 Roland McGrath <roland@redhat.com> 2410 2411 * cfi.c (execute_cfi): Never return without cleanup. 2412 Free FS on failure. 2413 (cie_cache_initial_state): Adjust caller to expect that free. 2414 (__libdw_frame_at_address): Likewise. 2415 24162010-03-10 Roland McGrath <roland@redhat.com> 2417 2418 * libdw.map (ELFUTILS_0.146): New set. Add dwfl_core_file_report. 2419 24202010-02-15 Roland McGrath <roland@redhat.com> 2421 2422 * Makefile.am: Use config/eu.am for common stuff. 2423 24242010-02-02 Mark Wielaard <mjw@redhat.com> 2425 2426 * fde.c (intern_fde): Fix length check for sized_augmentation_data. 2427 24282010-01-07 Roland McGrath <roland@redhat.com> 2429 2430 * dwarf_getcfi_elf.c (getcfi_phdr): Use elf_getphdrnum. 2431 24322010-01-05 Roland McGrath <roland@redhat.com> 2433 2434 * dwarf_aggregate_size.c: New file. 2435 * Makefile.am (libdw_a_SOURCES): Add it. 2436 * libdw.h: Declare it. 2437 * libdwP.h: Add INTDECL. 2438 * libdw.map (ELFUTILS_0.144): New set. Add dwarf_aggregate_size. 2439 2440 * dwarf_srclang.c: Add INTDEF. 2441 * libdwP.h: Add INTDECL. 2442 2443 * dwarf.h: Add some more DW_AT_GNU_* types from gcc. 2444 2445 * dwarf.h: Add DW_AT_GNU_vector, DW_AT_GNU_template_name. 2446 24472009-11-21 Roland McGrath <roland@redhat.com> 2448 2449 * dwarf_getlocation.c (check_constant_offset): Return 1 for all 2450 non-constant forms. 2451 24522009-10-15 Roland McGrath <roland@redhat.com> 2453 2454 * libdw_form.c (__libdw_form_val_len): Grok DW_FORM_sec_offset, 2455 DW_FORM_exprloc, DW_FORM_flag_present, and DW_FORM_ref_sig8. 2456 24572009-09-17 Roland McGrath <roland@redhat.com> 2458 2459 * dwarf_getlocation.c (dwarf_getlocation_implicit_value): Make OP 2460 argument a pointer to const. 2461 * libdw.h: Update decl. 2462 24632009-09-10 Roland McGrath <roland@redhat.com> 2464 2465 * dwarf_getlocation.c (store_implicit_value): New function. 2466 (__libdw_intern_expression): Use it, handle DW_OP_implicit_value. 2467 (dwarf_getlocation_implicit_value): New function. 2468 * libdw.h: Declare it. 2469 * libdw.map (ELFUTILS_0.143): Add it. 2470 24712009-09-09 Mark Wielaard <mjw@redhat.com> 2472 2473 * dwarf_getcfi.c (dwarf_getcfi): Clear cfi->ebl. 2474 24752009-08-21 Josh Stone <jistone@redhat.com> 2476 2477 * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too. 2478 24792009-08-10 Roland McGrath <roland@redhat.com> 2480 2481 * dwarf_getscopevar.c: Use dwarf_diename. 2482 24832009-08-09 Roland McGrath <roland@redhat.com> 2484 2485 * libdw.map (ELFUTILS_0.143): New version set, 2486 inherits from ELFUTILS_0.142. 2487 * dwarf_arrayorder.c: Use OLD_VERSION and NEW_VERSION to define an 2488 alias in the ELFUTILS_0.122 version set and the default in the new set. 2489 * dwarf_srclang.c: Likewise. 2490 * dwarf_decl_file.c: Likewise. 2491 * dwarf_decl_line.c: Likewise. 2492 * dwarf_decl_column.c: Likewise. 2493 * dwarf_bytesize.c: Likewise. 2494 * dwarf_bitsize.c: Likewise. 2495 * dwarf_bitoffset.c: Likewise. 2496 24972009-08-07 Roland McGrath <roland@redhat.com> 2498 2499 * dwarf_arrayorder.c: Use dwarf_attr_integrate. 2500 * dwarf_srclang.c: Likewise. 2501 * dwarf_decl_file.c: Likewise. 2502 * dwarf_decl_line.c (__libdw_attr_intval): Likewise. 2503 * dwarf_bytesize.c: Likewise. 2504 * dwarf_bitsize.c: Likewise. 2505 * dwarf_bitoffset.c: Likewise. 2506 25072009-07-22 Roland McGrath <roland@redhat.com> 2508 2509 * dwarf_frame_cfa.c: Change calling convention. 2510 * libdw.h: Update decl. 2511 2512 * dwarf_frame_register.c: Change calling/return-value convention for 2513 value-only results and undefined/same_value. 2514 * libdw.h: Update decl. 2515 2516 * dwarf_getlocation.c (__libdw_intern_expression): Take new bool 2517 argument, append DW_OP_stack_value if set. Don't take NOPS argument, 2518 return that value instead. 2519 (getlocation): Update caller. 2520 * dwarf_frame_cfa.c: Likewise. 2521 * libdwP.h: Update decl. 2522 25232009-07-21 Roland McGrath <roland@redhat.com> 2524 2525 * dwarf_getsrc_file.c: Ignore a CU that just has no DW_AT_stmt_list. 2526 Fix loop iteration after skipping a bogus or useless CU. 2527 2528 * dwarf_entry_breakpoints.c: Handle 0 dwarf_errno () as harmless 2529 absence, not DWARF_E_NO_DEBUG_LINE. 2530 25312009-07-20 Roland McGrath <roland@redhat.com> 2532 2533 * dwarf_getlocation.c (__libdw_intern_expression): 2534 Handle DW_OP_stack_value. 2535 25362009-07-16 Roland McGrath <roland@redhat.com> 2537 2538 * dwarf_formudata.c (__libdw_formptr): Handle DW_FORM_sec_offset, 2539 reject others when CU's version > 3. 2540 2541 * dwarf_formflag.c: Handle DW_FORM_flag_present. 2542 2543 * dwarf.h: Add DW_OP_{implicit,stack}_value from DWARF 4 draft. 2544 Also DW_TAG_type_unit and DW_TAG_rvalue_reference_type. 2545 Also DW_AT_signature, DW_AT_main_subprogram, DW_AT_data_bit_offset, 2546 and DW_AT_const_expr. 2547 Also DW_FORM_sec_offset, DW_FORM_exprloc, DW_FORM_flag_present, 2548 and DW_FORM_ref_sig8. 2549 25502009-07-15 Roland McGrath <roland@redhat.com> 2551 2552 * dwarf_getlocation.c: Grok DW_OP_form_tls_address, 2553 DW_OP_GNU_push_tls_address, and DW_OP_bit_piece. 2554 25552009-07-13 Roland McGrath <roland@redhat.com> 2556 2557 * dwarf_getlocation.c: Grok DW_OP_call_frame_cfa. 2558 25592009-07-08 Roland McGrath <roland@redhat.com> 2560 2561 * libdw.map (ELFUTILS_0.142): Add dwfl_module_dwarf_cfi, 2562 dwfl_module_eh_cfi. 2563 2564 * libdwP.h (struct Dwarf): Add member `cfi'. 2565 * dwarf_end.c (dwarf_end): Call __libdw_destroy_frame_cache on it. 2566 * dwarf_getcfi.c: New file. 2567 * dwarf_getcfi_elf.c: New file. 2568 * dwarf_cfi_end.c: New file. 2569 * dwarf_cfi_addrframe.c: New file. 2570 * dwarf_frame_cfa.c: New file. 2571 * dwarf_frame_register.c: New file. 2572 * dwarf_frame_return_address_register.c: New file. 2573 * Makefile.am (libdw_a_SOURCES): Add them. 2574 * unwind.h: Declare those functions. 2575 * libdw.map (ELFUTILS_0.142): Export them. 2576 2577 * dwarf_getlocation.c (__libdw_intern_expression): New function, 2578 broken out of ... 2579 (getlocation): ... here, call it. 2580 * libdwP.h: Declare it. 2581 2582 * cie.c: New file. 2583 * fde.c: New file. 2584 * frame-cache.c: New file. 2585 * cfi.c: New file. 2586 * cfi.h: New file. 2587 * encoded-value.h: New file. 2588 * Makefile.am (libdw_a_SOURCES, noinst_HEADERS): Add them. 2589 * libdwP.h: Add DWARF_E_INVALID_CFI to errors enum. 2590 * dwarf_error.c (errmsgs): Add element for it. 2591 2592 * dwarf_next_cfi.c: New file. 2593 * Makefile.am (libdw_a_SOURCES): Add it. 2594 * libdw.h (Dwarf_CIE, Dwarf_FDE, Dwarf_CIE_Entry): New types. 2595 Declare dwarf_next_cfi. 2596 * libdw.map (ELFUTILS_0.142): New set, inherits from ELFUTILS_0.136. 2597 Add dwarf_next_cfi. 2598 2599 * memory-access.h [! ALLOW_UNALIGNED] 2600 (read_2ubyte_unaligned): Renamed to ... 2601 (read_2ubyte_unaligned_1): ... this. Take bool rather than Dwarf *. 2602 (read_2ubyte_unaligned): Define as macro passing dbg->other_byte_order. 2603 (read_2sbyte_unaligned): Likewise. 2604 (read_4ubyte_unaligned): Likewise. 2605 (read_4sbyte_unaligned): Likewise. 2606 (read_8ubyte_unaligned): Likewise. 2607 (read_8sbyte_unaligned): Likewise. 2608 2609 * libdwP.h (IDX_eh_frame): Remove it. 2610 * dwarf_begin_elf.c (dwarf_scnnames): Remove its element. 2611 26122009-07-08 Roland McGrath <roland@redhat.com> 2613 2614 * libdwP.h (struct Dwarf_Line_s): Reorder members to pack better. 2615 2616 * dwarf_getlocation.c (check_constant_offset): New function. 2617 (dwarf_getlocation, dwarf_getlocation_addr): Call it to 2618 handle DW_AT_data_member_location of data[48] as constant offset. 2619 26202009-06-18 Roland McGrath <roland@redhat.com> 2621 2622 * libdwP.h (__libdw_read_address_inc): Constify. 2623 (__libdw_read_offset_inc): Likewise. 2624 * dwarf_getaranges.c: Likewise. 2625 * dwarf_getlocation.c: Likewise. 2626 * dwarf_getsrclines.c: Likewise. 2627 * dwarf_nextcu.c: Likewise. 2628 26292009-05-05 Petr Machata <pmachata@redhat.com> 2630 2631 * libdwP.h (__libdw_formptr): Declare new function. 2632 * dwarf_formudata.c: Implement it here. 2633 * dwarf_getlocation.c (dwarf_getlocation_addr): 2634 Call it instead of hand-rolled offset handling code. 2635 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 2636 * dwarf_ranges.c (dwarf_ranges): Likewise. 2637 26382009-05-04 Petr Machata <pmachata@redhat.com> 2639 2640 * libdwP.h (__libdw_read_begin_end_pair_inc): Declare new function. 2641 * dwarf_ranges.c: Implement it here. 2642 (dwarf_ranges): Call it. 2643 * dwarf_getlocation.c (dwarf_getlocation_addr): Call it also here. 2644 26452009-04-23 Petr Machata <pmachata@redhat.com> 2646 2647 * dwarf_formaddr.c (dwarf_formaddr): Call __libdw_read_* instead 2648 of read_*ubyte_unaligned. 2649 * dwarf_formref_die.c (dwarf_formref_die): Likewise. 2650 * dwarf_formstring.c (dwarf_formstring): Likewise. 2651 * dwarf_formudate.c (dwarf_formudata): Likewise. 2652 * dwarf_getaranges.c (dwarf_getaranges): Likewise. 2653 * dwarf_getlocation.c (dwarf_getlocation_addr): Likewise. 2654 * dwarf_getpubnames.c (get_offsets): Likewise. 2655 * dwarf_nextcu.c (dwarf_nextcu): Likewise. 2656 26572009-04-23 Petr Machata <pmachata@redhat.com> 2658 2659 * libdwP.h (__libdw_read_addr_inc, __libdw_read_off_inc, 2660 __libdw_read_addr, __libdw_read_off): Add four new internal 2661 functions. 2662 26632009-05-07 Roland McGrath <roland@redhat.com> 2664 2665 * dwarf_getmacros.c (dwarf_getmacros): Use absolute section offset in 2666 return value and OFFSET argument, not CU-relative. Only fetch the 2667 attribute data when called with OFFSET of 0. 2668 26692009-05-07 Petr Machata <pmachata@redhat.com> 2670 2671 * dwarf_getmacros.c (dwarf_getmacros): Take into account offset in 2672 DW_AT_macro_info attribute of CU DIE. 2673 26742009-04-15 Roland McGrath <roland@redhat.com> 2675 2676 * dwarf.h (DW_CIE_ID): Removed. 2677 (DW_CIE_ID_32, DW_CIE_ID_64): New constants replace it. 2678 26792009-04-01 Roland McGrath <roland@redhat.com> 2680 2681 * dwarf.h: Add DW_CFA_GNU_negative_offset_extended. 2682 26832009-01-28 Roland McGrath <roland@redhat.com> 2684 2685 * libdwP.h (struct Dwarf_Line_s): Move out of struct Dwarf_Lines_s 2686 defn so C++ doesn't scope the name to not match the Dwarf_Line typedef. 2687 2688 * libdwP.h (struct Dwarf_Files_s): Replace dbg field with cu field. 2689 26902009-01-26 Roland McGrath <roland@redhat.com> 2691 2692 * dwarf_ranges.c: Return 0 when no ranges or *_pc attrs at all. 2693 26942009-01-25 Roland McGrath <roland@redhat.com> 2695 2696 * dwarf_getattrs.c: Correctly skip attribute values when restarting. 2697 26982009-01-23 Roland McGrath <roland@redhat.com> 2699 2700 * Makefile.am ($(srcdir)/known-dwarf.h): Target renamed back. 2701 Put these rules under if MAINTAINER_MODE. 2702 27032009-01-22 Roland McGrath <roland@redhat.com> 2704 2705 * dwarf.h: Add DW_OP_GNU_encoded_addr. 2706 27072009-01-21 Roland McGrath <roland@redhat.com> 2708 2709 * Makefile.am (CLEANFILES): Renamed to ... 2710 (MOSTLYCLEANFILES): ... here. 2711 (CLEANFILES): New variable, add known-dwarf.h. 2712 27132009-01-17 Roland McGrath <roland@redhat.com> 2714 2715 * Makefile.am (known-dwarf.h): Target renamed, not in $(srcdir). 2716 Make it unconditional. 2717 (BUILT_SOURCES): Updated. 2718 2719 * dwarf.h: Add description comments for DW_LANG_* values. 2720 2721 * Makefile.am [MAINTAINER_MODE] 2722 ($(srcdir)/known-dwarf.h): New target. 2723 (BUILT_SOURCES): Add it. 2724 2725 * dwarf.h: Add DW_OP_GNU_push_tls_address, DW_OP_GNU_uninit. 2726 27272009-01-10 Ulrich Drepper <drepper@redhat.com> 2728 2729 * dwarf_error.c: Always use __thread. Remove all !USE_TLS code. 2730 27312009-01-08 Roland McGrath <roland@redhat.com> 2732 2733 * Makefile.am (libdw.so): Don't depend on $(zip_LIBS), just link it in. 2734 27352008-01-06 Roland McGrath <roland@redhat.com> 2736 2737 * libdwP.h (struct Dwarf_Abbrev): Change type of 'has_children' to bool. 2738 Reorder members. 2739 * dwarf_haschildren.c: Return -1 for error case, not 0. 2740 2741 * Makefile.am (libdw.so): Link in $(zip_LIBS). 2742 27432009-01-06 Ulrich Drepper <drepper@redhat.com> 2744 2745 * dwarf.h: Add definition for unwind and call frame information. 2746 2747 * memory-access.h: Define read_ubyte_unaligned, read_sbyte_unaligned, 2748 read_ubyte_unaligned_inc, and read_sbyte_unaligned_inc. 2749 27502008-08-15 Roland McGrath <roland@redhat.com> 2751 2752 * libdw.map (ELFUTILS_0.136): New version set, inherits from 2753 ELFUTILS_0.130. Add dwfl_addrsegment, dwfl_report_segment. 2754 27552008-01-21 Ulrich Drepper <drepper@redhat.com> 2756 2757 * dwarf_child.c: Minor optimizations. 2758 * dwarf_getattrs.c: Likewise. 2759 * dwarf_getpubnames.c: Likewise. 2760 * dwarf_siblingof.c: Likewise. 2761 * dwarf_tag.c: Likewise. 2762 27632008-01-18 Ulrich Drepper <drepper@redhat.com> 2764 2765 * dwarf_getsrclines.c (dwarf_getsrclines): Don't require exact match 2766 of DWARF_VERSION comparison, just fail if the file's version is newer. 2767 27682008-01-17 Nick Clifton <nickc@redhat.com> 2769 2770 * dwarf.h (DWARF3_LENGTH_MIN_ESCAPE_CODE): New define. 2771 (DWARF3_LENGTH_MAX_ESCAPE_CODE): New define. 2772 (DWARF3_LENGTH_64_BIT): New define. 2773 * dwarf_getaranges (dwarf_getaranges): Use the new definitions. 2774 * dwarf_getpubnames: Include dwarf.h. 2775 (get_offsets): Use the new definitions. 2776 * dwarf_getsrclines.c (dwarf_getsrclines): Use the new defintions. 2777 * dwarf_nextcu.c: Include dwarf.h. Correct comment. 2778 (dwarf_nextcu): Use the new definitions. 2779 2780 * libdwP.h (DIE_OFFSET_FROM_CU_OFFSET): New macro. 2781 * dwarf_diecu.c (dwarf_diecu): Use the new macro. 2782 * dwarf_getaranges (dwarf_getaranges): Use the new macro. 2783 * dwarf_nextcu.c (dwarf_nextcu): Use the new macro. 2784 2785 * dwarf_getpubnames (get_offsets): Replace assertion with test and 2786 error return. 2787 2788 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Use CUDIE. 2789 2790 * dwarf_siblingof (dwarf_siblingof): Detect a NULL return pointer. 2791 Set the address in the return structure to the address of the next 2792 non-sibling die, if there is no sibling and the return pointer is 2793 not the same as the die pointer. 2794 * libdw.h: Expand the description of the dwarf_siblingof prototype. 2795 2796 * dwarf_child.c: Fix typo in comment. 2797 2798 * libdwP.h (DWARF_VERSION): Change to 3. 2799 2800 * dwarf_formref.c (__libdw_formref.c): Handle attributes which do 2801 not have a initialised valp pointer. 2802 2803 * dwarf_getattrs.c (dwarf_getattrs): Return 1 rather than 0 when 2804 the end of the attributes is reached. When the callback fails, 2805 return the address of the failing attribute, not the address of 2806 its successor. 2807 * libdw.h: Expand the description of the dwarf_getattrs prototype. 2808 2809 * dwarf_child.c (__libdw_find_attr): Use the new definition. 2810 (dwarf_child): Likewise. 2811 * dwarf_tag.c (__libdw_findabbrev): Likewise. 2812 (dwarf_tag): Likewise. 2813 28142008-01-08 Roland McGrath <roland@redhat.com> 2815 2816 * Makefile.am (euinclude): Variable removed. 2817 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 2818 (libdw.so): Pass -Wl,--enable-new-dtags,-rpath,$(pkglibdir). 2819 28202007-10-17 Roland McGrath <roland@redhat.com> 2821 2822 * libdw.h (__deprecated_attribute__): New macro. 2823 (dwarf_formref): Mark it deprecated. 2824 * dwarf_formref.c (__libdw_formref): New function, broken out of ... 2825 (dwarf_formref): ... here. Call it. Remove INTDEF. 2826 * libdwP.h: Remove INTDECL. 2827 Declare __libdw_formref. 2828 * dwarf_siblingof.c (dwarf_siblingof): Call __libdw_formref instead. 2829 * dwarf_formref_die.c: Likewise. Handle DW_FORM_ref_addr here. 2830 2831 * libdw_form.c (__libdw_form_val_len): Fix DW_FORM_ref_addr result, 2832 needs to check CU->version. 2833 2834 * libdwP.h (struct Dwarf_CU): New member `version'. 2835 * libdw_findcu.c (__libdw_findcu): Initialize it. 2836 2837 * dwarf_child.c: Return 1 for null entry as first child. 2838 28392007-10-05 Roland McGrath <roland@redhat.com> 2840 2841 * dwarf_begin_elf.c (check_section): Punt on SHT_NOBITS sections. 2842 2843 * libdw.h (__extern_inline): Rename to __libdw_extern_inline. 2844 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Update uses. 2845 28462007-10-03 Roland McGrath <roland@redhat.com> 2847 2848 * libdw.map (ELFUTILS_0.130: Add dwfl_build_id_find_elf 2849 and dwfl_build_id_find_debuginfo. 2850 2851 * libdw.map (ELFUTILS_0.130): New version set, inherits from 2852 ELFUTILS_0.127. Add dwfl_module_build_id, dwfl_module_report_build_id. 2853 28542007-10-02 Roland McGrath <roland@redhat.com> 2855 2856 * libdw_visit_scopes.c (classify_die): Return walk for class_type and 2857 structure_type. 2858 28592007-08-07 Roland McGrath <roland@redhat.com> 2860 2861 * dwarf_getscopes.c (pc_match): Swallow dwarf_haspc error return when 2862 error code is DWARF_E_NOERROR (0). 2863 2864 * dwarf_getscopes.c (pc_record): Always bail early if DIE->prune. 2865 Fix typo in __libdw_visit_scopes argument. 2866 2867 * dwarf_getscopes.c (pc_match): Check dwarf_haspc error return, 2868 swallow DWARF_E_NO_DEBUG_RANGES but not other errors. 2869 28702007-07-03 Roland McGrath <roland@redhat.com> 2871 2872 * libdw.h (__extern_inline): New macro. 2873 [__OPTIMIZE__] (dwarf_whatattr, dwarf_whatform): Use it. 2874 28752007-04-16 Roland McGrath <roland@redhat.com> 2876 2877 * libdw.map (ELFUTILS_0.127): Add dwfl_module_address_section. 2878 28792007-04-05 Roland McGrath <roland@redhat.com> 2880 2881 * dwarf_getsrcdirs.c: New file. 2882 * Makefile.am (libdw_a_SOURCES): Add it. 2883 * libdw.h: Declare dwarf_getsrcdirs. 2884 * libdw.map (ELFUTILS_0.127): Add it. 2885 2886 * libdwP.h (struct Dwarf_Files_s): New member ndirs. 2887 * dwarf_getsrclines.c (dwarf_getsrclines): Don't clobber NDIRLIST to 2888 zero before we use it to check for DWARF_E_INVALID_DIR_IDX. 2889 Save DIRARRAY in the Dwarf_Files. 2890 2891 * dwarf_ranges.c (dwarf_ranges): Don't sign-extend 32-bit BEGIN 2892 address to check for all-ones base address entry. Check directly. 2893 Reported by Sébastien Dugué <sebastien.dugue@bull.net>. 2894 28952007-03-25 Roland McGrath <roland@redhat.com> 2896 2897 * dwarf_begin_elf.c (check_section): Return Dwarf * instead of void. 2898 Return NULL when freeing RESULT on error. 2899 (global_read, scngrp_read): Check return value from check_section, 2900 break out of loop after it has freed RESULT. 2901 (valid_p): Handle null argument. 2902 29032007-03-12 Roland McGrath <roland@redhat.com> 2904 2905 * libdw.map (ELFUTILS_0.127): Add dwfl_report_begin_add. 2906 29072007-03-04 Roland McGrath <roland@redhat.com> 2908 2909 * libdw.map (ELFUTILS_0.127): New version set, inherits from 2910 ELFUTILS_0.126. Add dwfl_module_addrsym. 2911 29122007-02-10 Roland McGrath <roland@redhat.com> 2913 2914 * dwarf.h (DW_OP_fbreg): Comment fix. 2915 29162007-02-03 Roland McGrath <roland@redhat.com> 2917 2918 * dwarf_getelf.c (dwarf_getelf): Renamed from dwarf_get_elf. 2919 * libdw.map (ELFUTILS_0.126): New version set, inherits from 2920 ELFUTILS_0.122. Move dwarf_getelf there; it was never truly 2921 exported in the past. 2922 29232006-12-17 Roland McGrath <roland@redhat.com> 2924 2925 * dwarf_getlocation.c (dwarf_getlocation_addr): Use zero as base 2926 address when the CU is missing attributes due to buggy GCC. 2927 29282006-08-29 Roland McGrath <roland@redhat.com> 2929 2930 * Makefile.am (CLEANFILES): Add libdw.so.$(VERSION). 2931 2932 * libdw.h (dwarf_diecu): Add __nonnull_attribute__. 2933 (dwarf_child): Don't list arg 1 in __nonnull_attribute__. 2934 2935 * libdw_alloc.c (__libdw_allocate): Take new ALIGN argument, make sure 2936 result is aligned. Adjust NEWP->remaining here for this allocation. 2937 * libdwP.h: Update decl. 2938 (libdw_alloc): Update caller. 2939 29402006-07-12 Ulrich Drepper <drepper@redhat.com> 2941 2942 * dwarf_child.c: Adjust for internal_function_def removal. 2943 * dwarf_getabbrev.c: Likewise. 2944 * dwarf_tag.c: Likewise. 2945 * libdw_form.c: Likewise. 2946 * memory-access.c: Likewise. 2947 29482006-06-28 Roland McGrath <roland@redhat.com> 2949 2950 * libdw.map: Export dwfl_linecu, dwfl_line_comp_dir. 2951 2952 * libdw.map: Bump to 0.122; export dwfl_module_getsymtab and 2953 dwfl_module_getsym. 2954 29552006-05-27 Ulrich Drepper <drepper@redhat.com> 2956 2957 * libdw.h: Add extern "C". 2958 29592006-05-22 Ulrich Drepper <drepper@redhat.com> 2960 2961 * dwarf_getaranges.c (dwarf_getaranges): Handle files without 2962 aranges information. 2963 29642006-05-21 Ulrich Drepper <drepper@redhat.com> 2965 2966 * libdw.h: Add nonnull attributes to dwarf_tag, dwarf_getattrs, 2967 dwarf_haschildren. 2968 29692006-02-28 Roland McGrath <roland@redhat.com> 2970 2971 * dwarf.h: Add missing DW_ATE_*, DW_TAG_*, DW_LANG_*, DW_CFA_*, 2972 DW_OP_* values, to match DWARF 3.0. Add new DW_DS_*, DW_END_* 2973 values from DWARF 3.0. 2974 29752006-02-22 Roland McGrath <roland@redhat.com> 2976 2977 * libdw.map: Bump to 0.120; export dwfl_version. 2978 29792005-12-22 Roland McGrath <roland@redhat.com> 2980 2981 * libdw.map: Bump to 0.119; export dwfl_linux_proc_maps_report. 2982 29832005-12-12 Roland McGrath <roland@redhat.com> 2984 2985 * dwarf_ranges.c: Copy CU base address-finding code from 2986 dwarf_getlocation. 2987 29882005-12-09 Roland McGrath <roland@redhat.com> 2989 2990 * dwarf_getlocation.c (dwarf_getlocation_addr): Add some unlikelys. 2991 Delay CU base lookup until it's needed. 2992 If CU base lookup fails with no error, flag invalid DWARF. 2993 29942005-11-25 Roland McGrath <roland@redhat.com> 2995 2996 * libdw.map: Bump to 0.118; export dwfl_module_register_names. 2997 29982005-11-15 Roland McGrath <roland@redhat.com> 2999 3000 * Makefile.am [BUILD_STATIC] (AM_CFLAGS): Add -fpic. 3001 30022005-11-13 Roland McGrath <roland@redhat.com> 3003 3004 * libdw.map: Bump to 0.117; export dwfl_module_return_value_location. 3005 30062005-10-27 Roland McGrath <roland@redhat.com> 3007 3008 * dwarf_entry_breakpoints.c (search_range): Fix binary search code; 3009 don't match end_sequence markers. 3010 3011 * dwarf_getsrclines.c (compare_lines): Sort end_sequence markers 3012 before normal records at the same address. 3013 * dwarf_getsrc_die.c (dwarf_getsrc_die): Don't match an end_sequence 3014 marker. 3015 30162005-10-26 Roland McGrath <roland@redhat.com> 3017 3018 * dwarf_getfuncs.c (dwarf_getfuncs): Use Dwarf_Die, not Dwarf_Func. 3019 * dwarf_func_file.c: Renamed to ... 3020 * dwarf_decl_file.c: ... here. 3021 * dwarf_func_col.c: Renamed to ... 3022 * dwarf_decl_column.c: ... here. 3023 * dwarf_func_line.c: Renamed to ... 3024 * dwarf_decl_line.c: ... here. 3025 (dwarf_func_line): Renamed to ... 3026 (dwarf_decl_line): ... this. Take a Dwarf_Die * argument. 3027 (__libdw_func_intval): Renamed __libdw_attr_intval. 3028 * dwarf_func_name.c: File removed. 3029 * dwarf_func_lowpc.c: File removed. 3030 * dwarf_func_highpc.c: File removed. 3031 * dwarf_func_entrypc.c: File removed. 3032 * dwarf_func_die.c: File removed. 3033 * Makefile.am (libdw_a_SOURCES): Updated. 3034 * libdw.h: Update decls. 3035 (Dwarf_Func): Type removed. 3036 * libdwP.h: Update decls. 3037 (struct Dwarf_Func_s): Type removed. 3038 * libdw.map: Updated. 3039 3040 * libdwP.h (CUDIE): New macro. 3041 * dwarf_getlocation.c (dwarf_getlocation_addr): Use it. 3042 * dwarf_getscopes_die.c (dwarf_getscopes_die): Likewise. 3043 * dwarf_ranges.c (dwarf_ranges): Likewise. 3044 3045 * dwarf_getloclist.c: Renamed to ... 3046 * dwarf_getlocation.c: ... here. 3047 (getloclist): Renamed to getlocation. 3048 (dwarf_getloclist): Renamed to dwarf_getlocation. 3049 (dwarf_addrloclists): Renamed to dwarf_getlocation_addr. 3050 * Makefile.am (libdw_a_SOURCES): Updated. 3051 * libdw.h (dwarf_getloclist): Renamed to dwarf_getlocation. 3052 (dwarf_addrloclists): Renamed dwarf_getlocation_addr. 3053 (Dwarf_Loc): Renamed Dwarf_Op. 3054 * libdwP.h (struct loc_s): Update use. 3055 * libdw.map: Update map. 3056 3057 * dwarf_entry_breakpoints.c: Use the second line record within the 3058 function, regardless of its source location data. 3059 30602005-10-25 Roland McGrath <roland@redhat.com> 3061 3062 * dwarf_entry_breakpoints.c: Fall back to entrypc for contiguous too. 3063 3064 * libdw.map: Add dwarf_entrypc, dwarf_entry_breakpoints. 3065 30662005-10-14 Roland McGrath <roland@redhat.com> 3067 3068 * dwarf_diecu.c (dwarf_diecu): New file. 3069 * Makefile.am (libdw_a_SOURCES): Add it. 3070 * libdw.h: Declare dwarf_diecu. 3071 * libdw.map: Export it. 3072 3073 * libdw.map: Bump to 0.116; export dwarf_ranges. 3074 30752005-09-20 Roland McGrath <roland@redhat.com> 3076 3077 * dwarf_haspc.c: Use dwarf_ranges. 3078 * dwarf_entry_breakpoints.c: Likewise. 3079 3080 * dwarf_ranges.c: New file. 3081 * Makefile.am (libdw_a_SOURCES): Add it. 3082 * libdw.h: Declare dwarf_ranges. 3083 * libdwP.h: Add INTDECL. 3084 30852005-09-14 Roland McGrath <roland@redhat.com> 3086 3087 * dwarf_entry_breakpoints.c (dwarf_entry_breakpoints): Fix braino in 3088 prologue_end marker scanning loop. 3089 30902005-09-11 Roland McGrath <roland@redhat.com> 3091 3092 * dwarf.h: Comment typo fix. 3093 30942005-09-07 Roland McGrath <roland@redhat.com> 3095 3096 * dwarf_entry_breakpoints.c: New file. 3097 * Makefile.am (libdw_a_SOURCES): Add it. 3098 * libdw.h: Declare dwarf_entry_breakpoints. 3099 3100 * dwarf_entrypc.c: New file. 3101 * Makefile.am (libdw_a_SOURCES): Add it. 3102 * libdw.h: Declare dwarf_entrypc. 3103 * libdwP.h: Add INTDECL. 3104 31052005-08-28 Ulrich Drepper <drepper@redhat.com> 3106 3107 * Makefile.am: Use $(LINK) not $(CC) when creating DSO. 3108 (%.os): Use COMPILE.os. 3109 (COMPILE.os): Filter out gconv options. 3110 31112005-08-27 Roland McGrath <roland@redhat.com> 3112 3113 * dwarf_getscopes.c (dwarf_getscopes): Rewritten using 3114 __libdw_visit_scopes. 3115 3116 * dwarf_getscopes_die.c: New file. 3117 * Makefile.am (libdw_a_SOURCES): Add it. 3118 * libdw.h: Declare dwarf_getscopes_die. 3119 * libdw.map: Bump to 0.115 and add it. 3120 3121 * libdw_visit_scopes.c (__libdw_visit_scopes): Pass a struct 3122 containing a DIE and its parent pointer, instead of just Dwarf_Die. 3123 Take two functions for both preorder and postorder visitors. 3124 * libdwP.h: Update decl. 3125 (struct Dwarf_Die_Chain): New type. 3126 * dwarf_func_inline.c: Update uses. 3127 3128 * dwarf_diename.c (dwarf_diename): Use dwarf_attr_integrate. 3129 Add INTDEF. 3130 * libdwP.h: Add INTDECL. 3131 * dwarf_func_name.c (dwarf_func_name): Use dwarf_diename. 3132 31332005-08-23 Roland McGrath <roland@redhat.com> 3134 3135 * dwarf_attr_integrate.c (dwarf_attr_integrate): Treat 3136 DW_AT_specification the same as DW_AT_abstract_origin. 3137 31382005-08-20 Roland McGrath <roland@redhat.com> 3139 3140 * libdw.map: Add dwfl_cumodule, remove dwfl_linecu. 3141 Add dwfl_linux_kernel_report_offline, dwfl_offline_section_address, 3142 and dwfl_report_offline. 3143 31442005-08-19 Roland McGrath <roland@redhat.com> 3145 3146 * libdw.map: Bump version to ELFUTILS_0.114 for libdwfl changes. 3147 Add dwfl_module_relocate_address, dwfl_module_relocations, 3148 dwfl_module_relocation_info. 3149 31502005-08-18 Roland McGrath <roland@redhat.com> 3151 3152 * dwarf_getscopes.c (dwarf_getscopes): Include the CU itself as 3153 outermost scope in the results. 3154 31552005-08-15 Roland McGrath <roland@redhat.com> 3156 3157 * dwarf_func_inline.c: New file. 3158 * Makefile.am (libdw_a_SOURCES): Add it. 3159 * libdw.h: Declare dwarf_func_inline, dwarf_func_inline_instances. 3160 * libdw.map: Add them. 3161 3162 * dwarf_func_die.c: New file. 3163 * Makefile.am (libdw_a_SOURCES): Add it. 3164 * libdw.h: Declare dwarf_func_die. 3165 * libdw.map: Add it. Bump version to ELFUTILS_0.114. 3166 31672005-08-10 Ulrich Drepper <drepper@redhat.com> 3168 3169 * dwarf_getsrclines.c (dwarf_getsrclines): Correct fallout of renaming 3170 of DW_LNS_set_epilog_begin. 3171 31722005-08-09 Roland McGrath <roland@redhat.com> 3173 3174 * dwarf.h (DW_LNS_set_epilog_begin): Renamed DW_LNS_set_epilogue_begin. 3175 3176 * dwarf_end.c: Add INTDEF. 3177 * dwarf_error.c (dwarf_errmsg): Likewise. 3178 * libdwP.h (dwarf_end, dwarf_errmsg): Add INTDECLs. 3179 31802005-08-01 Roland McGrath <roland@redhat.com> 3181 3182 * dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset. 3183 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise. 3184 31852005-07-28 Ulrich Drepper <drepper@redhat.com> 3186 3187 * Makefile.am (libdw.so): No need to link with libeu.a anymore. 3188 (libdw_a_LIBADD): Add all files from libdwfl.a. 3189 31902005-07-27 Roland McGrath <roland@redhat.com> 3191 3192 * Makefile.am (libdw.so): Link ../libdwfl/libdwfl_pic.a in, 3193 along with ../libebl/libebl.a and ../lib/libeu.a; 3194 depend on ../libelf/libelf.so. 3195 (libdw_so_LDADD): New variable. 3196 * libdw.map: Add dwfl_* symbols formerly in ../libdwfl/libdwfl.map. 3197 3198 * libdw.map: Define an empty base version and move all symbols to 3199 version ELFUTILS_0.111; don't define ELFUTILS_1.0 at all yet. 3200 32012005-07-23 Ulrich Drepper <drepper@redhat.com> 3202 3203 * dwarf_error.c: Add internal alias for dwarf_errno. 3204 * libdwP.h: Declare __dwarf_errno_internal. 3205 * dwarf_getloclist.c: Use INTDEF for dwarf_errno. 3206 3207 * dwarf_error.c [USE_TLS]: Actually use __thread in definition of 3208 global_error. 3209 32102005-06-01 Roland McGrath <roland@redhat.com> 3211 3212 * dwarf_getaranges.c (dwarf_getaranges): Sort result array. 3213 * dwarf_getarange_addr.c (dwarf_getarange_addr): Use binary search. 3214 32152005-06-08 Roland McGrath <roland@redhat.com> 3216 3217 * memory-access.h (get_uleb128_step, get_uleb128): Remove casts. 3218 (get_sleb128_step, get_sleb128): Likewise. 3219 * dwarf_getattrs.c (dwarf_getattrs): Add consts. 3220 * dwarf_getloclist.c (getloclist): Likewise. 3221 * dwarf_formblock.c (dwarf_formblock): Likewise. 3222 * dwarf_getsrclines.c (dwarf_getsrclines): Likewise. 3223 * dwarf_getabbrevattr.c (dwarf_getabbrevattr): Likewise. 3224 * dwarf_formref.c (dwarf_formref): Likewise. 3225 * dwarf_formsdata.c (dwarf_formsdata): Likewise. 3226 * dwarf_formudata.c (dwarf_formudata): Likewise. 3227 * dwarf_haschildren.c (dwarf_haschildren): Likewise. 3228 * dwarf_child.c (__libdw_find_attr, __libdw_find_attr): Likewise. 3229 * dwarf_tag.c (dwarf_tag): Likewise. 3230 * dwarf_getabbrev.c (__libdw_getabbrev): Likewise. 3231 * memory-access.c (__libdw_get_uleb128, __libdw_get_sleb128): Likewise. 3232 * libdw_form.c (__libdw_form_val_len): Likewise. 3233 * libdwP.h: Update decl. 3234 32352005-06-04 Roland McGrath <roland@redhat.com> 3236 3237 * memory-access.h (get_uleb128_rest_return): New macro. 3238 [! IS_LIBDW] (__libdw_get_uleb128): New static, defined using it. 3239 (get_sleb128_rest_return): New macro. 3240 [! IS_LIBDW] (__libdw_get_sleb128): New static, defined using it. 3241 * memory-access.c: New file. 3242 * Makefile.am (libdw_a_SOURCES): Add it. 3243 (DEFS): Add -DIS_LIBDW. 3244 32452005-05-31 Roland McGrath <roland@redhat.com> 3246 3247 * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to 3248 formref offset. 3249 32502005-05-30 Roland McGrath <roland@redhat.com> 3251 3252 * dwarf_getloclist.c (dwarf_addrloclists): Use DW_AT_entry_pc for base 3253 address if DW_AT_low_pc is missing. Not to spec, but GCC generates it. 3254 3255 * dwarf_getloclist.c (dwarf_addrloclists): Don't sign-extend 4-byte 3256 BEGIN value. Instead, match base address entries separately for 3257 32/64 size cases. 3258 32592005-05-28 Roland McGrath <roland@redhat.com> 3260 3261 * dwarf_getloclist.c (dwarf_addrloclists): Fix decoding to advance 3262 past location expression contents. 3263 32642005-05-23 Roland McGrath <roland@redhat.com> 3265 3266 * dwarf_getsrclines.c: Comment typo fix. 3267 3268 * dwarf_haspc.c (dwarf_haspc): Fix CU DIE address calculation. 3269 * dwarf_getloclist.c (dwarf_addrloclists): Likewise. 3270 32712005-05-22 Ulrich Drepper <drepper@redhat.com> 3272 3273 * libdwP.h: Only use INTDECL for alias prototypes. 3274 32752005-05-19 Roland McGrath <roland@redhat.com> 3276 3277 * dwarf_getloclist.c (attr_ok): Permit DW_AT_static_link too. 3278 3279 * dwarf_getscopevar.c: New file. 3280 * Makefile.am (libdw_a_SOURCES): Add it. 3281 * libdw.h: Declare dwarf_getscopevar. 3282 3283 * dwarf_getsrcfiles.c: Add INTDEF. 3284 * dwarf_haschildren.c: Likewise. 3285 * libdwP.h (dwarf_getsrcfiles, dwarf_haschildren): Add INTDECL. 3286 3287 * dwarf_getscopes.c: New file. 3288 * Makefile.am (libdw_a_SOURCES): Add it. 3289 * libdw.h: Declare dwarf_getscopes. 3290 * libdw.map: Add it. 3291 32922005-05-18 Roland McGrath <roland@redhat.com> 3293 3294 * libdwP.h (IDX_debug_ranges): New enum constant. 3295 * dwarf_begin_elf.c (dwarf_scnnames): Add it for ".debug_ranges". 3296 * libdwP.h (DWARF_E_NO_DEBUG_RANGES): New enum constant. 3297 * dwarf_error.c (errmsgs): Add it. 3298 * dwarf_haspc.c: New file. 3299 * libdw.h: Declare dwarf_haspc. 3300 * libdw.map: Add it. 3301 * libdwP.h: Add INTDECL. 3302 3303 * dwarf_attr_integrate.c: New file. 3304 * dwarf_hasattr_integrate.c: New file. 3305 * Makefile.am (libdw_a_SOURCES): Add them. 3306 * libdw.h: Declare dwarf_attr_integrate, dwarf_hasattr_integrate. 3307 * libdw.map: Add them. 3308 3309 * dwarf_hasattr.c: Add INTDEF. 3310 * libdwP.h: Add INTDECL for it. 3311 3312 * dwarf_formref_die.c: New file. 3313 * Makefile.am (libdw_a_SOURCES): Add it. 3314 * libdw.h (dwarf_formref_die): Declare it. 3315 * libdwP.h (dwarf_formref_die): Add INTDECL. 3316 * libdw.map: Add it. 3317 3318 * dwarf_getloclist.c (attr_ok, getloclist): New functions, broken out 3319 of ... 3320 (dwarf_getloclist): ... here. Call them. 3321 (dwarf_addrloclists): New function. 3322 * libdw.h: Declare it. 3323 * libdw.map: Add it. 3324 3325 * dwarf_getmacros.c (dwarf_getmacros): Don't bail at 3326 DW_MACINFO_end_file. Recognize type 0 as terminator. 3327 33282005-05-05 Roland McGrath <roland@redhat.com> 3329 3330 * dwarf_getsrc_die.c (dwarf_getsrc_die): Use binary search. 3331 3332 * dwarf_getsrclines.c (dwarf_getsrclines): Sort result array, since 3333 the line program does not produce all entries in ascending order. 3334 33352005-04-25 Ulrich Drepper <drepper@redhat.com> 3336 3337 * dwarf_getsrc_file.c (dwarf_getsrc_file): Handle multiple 3338 occurences (e.g., inlines) better. 3339 33402005-04-24 Ulrich Drepper <drepper@redhat.com> 3341 3342 * libdw.h (DWARF_END_ABBREV): Define. 3343 * dwarf_getabbrev.c (__libdw_getabbrev): Return DWARF_END_ABBREV if 3344 end is reached. 3345 * dwarf_offabbrev.c (dwarf_offabbrev): Return -1 on error, 1 if end 3346 of records reached. 3347 * dwarf_tag.c (__libdw_findabbrev): Also recognize DWARF_END_ABBREV 3348 as error of __libdw_getabbrev. 3349 33502005-04-04 Ulrich Drepper <drepper@redhat.com> 3351 3352 * dwarf_getsrc_file.c (dwarf_getsrc_file): Minor optimization. 3353 3354 * dwarf_getsrc_file.c (dwarf_getsrc_file): Always pass number of 3355 results back to caller. 3356 33572005-04-04 Roland McGrath <roland@redhat.com> 3358 3359 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use size_t for CUHL. 3360 3361 * dwarf_func_line.c (__libdw_func_intval): Use internal_function in 3362 defn. 3363 33642005-04-04 Ulrich Drepper <drepper@redhat.com> 3365 3366 * dwarf_getsrc_file.c (dwarf_getsrc_file): Use INTUSE. 3367 3368 * dwarf_getsrc_file.c: New file. 3369 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrc_file.c. 3370 * libdw.h: Declare dwarf_getsrc_file. 3371 * libdw.map: Add dwarf_getsrc_file. 3372 33732005-04-02 Ulrich Drepper <drepper@redhat.com> 3374 3375 * dwarf_func_entrypc.c: New file. 3376 * dwarf_func_col.c: New file. 3377 * dwarf_func_line.c: New file. 3378 * dwarf_func_file.c: New file. 3379 * libdw.h: Add prototypes for new functions. 3380 * libdw.map: Add dwarf_func_entrypc, dwarf_func_col, dwarf_func_line, 3381 dwarf_func_file. 3382 * Makefile.am (libdw_a_SOURCES): Add dwarf_func_entrypc.c, 3383 dwarf_func_col.c, dwarf_func_line.c, dwarf_func_file.c. 3384 * libdwP.h (struct Dwarf_Func_s): Add cudie element. 3385 Declare __libdw_func_intval and __dwarf_formsdata_internal. 3386 * dwarf_getfuncs.c: Also fill in cudie in Dwarf_Func object. 3387 * dwarf_formsdata.c: Use INTUSE and INTDEF to avoid PLTs. 3388 3389 * dwarf.h: Add some DWARF3 definitions. 3390 33912005-04-01 Ulrich Drepper <drepper@redhat.com> 3392 3393 * dwarf_getfuncs.c: New file. 3394 * dwarf_func_highpc.c: New file. 3395 * dwarf_func_lowpc.c: New file. 3396 * dwarf_func_name.c: New file. 3397 * Makefile.am (libdw_a_SOURCES): Add dwarf_getfuncs.c, 3398 dwarf_func_highpc.c, dwarf_func_lowpc.c, and dwarf_func_name.c. 3399 * libdw.map: Add dwarf_getfuncs, dwarf_func_highpc, dwarf_func_lowpc, 3400 and dwarf_func_name. 3401 * libdw.h: Add prototypes for new functions. 3402 * dwarf_child.c: Use INTUSE and INTDEF to avoid PLTs. 3403 * dwarf_siblingof.c: Likewise. 3404 * dwarf_dieoffset.c: Likewise. 3405 * dwarf_highpc.c: Likewise. 3406 * dwarf_lowpc.c: Likewise. 3407 * libdwP.h: Add prototypes for internal functions. 3408 Define Dwarf_Func_s structure. 3409 34102005-03-29 Ulrich Drepper <drepper@redhat.com> 3411 3412 * libdw.h: Add padding in Dwarf_die. 3413 3414 * dwarf_arrayorder.c: Use INTUSE and INTDEF to avoid PLTs. 3415 * dwarf_attr.c: Likewise. 3416 * dwarf_begin.c: Likewise. 3417 * dwarf_begin_elf.c: Likewise. 3418 * dwarf_bitoffset.c: Likewise. 3419 * dwarf_bitsize.c: Likewise. 3420 * dwarf_bytesize.c: Likewise. 3421 * dwarf_diename.c: Likewise. 3422 * dwarf_formaddr.c: Likewise. 3423 * dwarf_formblock.c: Likewise. 3424 * dwarf_formref.c: Likewise. 3425 * dwarf_formstring.c: Likewise. 3426 * dwarf_formudata.c: Likewise. 3427 * dwarf_getarange_addr.c: Likewise. 3428 * dwarf_getarangeinfo.c: Likewise. 3429 * dwarf_getaranges.c: Likewise. 3430 * dwarf_getloclist.c: Likewise. 3431 * dwarf_getmacros.c: Likewise. 3432 * dwarf_getsrc_die.c: Likewise. 3433 * dwarf_getsrcfiles.c: Likewise. 3434 * dwarf_getsrclines.c: Likewise. 3435 * dwarf_highpc.c: Likewise. 3436 * dwarf_lowpc.c: Likewise. 3437 * dwarf_nextcu.c: Likewise. 3438 * dwarf_offdie.c: Likewise. 3439 * dwarf_siblingof.c: Likewise. 3440 * dwarf_srclang.c: Likewise. 3441 * dwarf_tag.c: Likewise. 3442 * libdw_findcu.c: Likewise. 3443 * libdwP.h: Add prototypes for internal functions. 3444 3445 * dwarf_addrdie.c: New file. 3446 * dwarf_macro_opcode.c: New file. 3447 * dwarf_macro_param1.c: New file. 3448 * dwarf_macro_param2.c: New file. 3449 * libdw.h: Add declarations. Move Dwarf_Macro definition to libdwP.h. 3450 * libdwP.h: Remove Dwarf_Macro definition. 3451 * Makefile.am (libdw_a_SOURCES): Add dwarf_addrdie.c, 3452 dwarf_macro_opcode.c, dwarf_macro_param1.c, and dwarf_macro_param2.c. 3453 * libdw.map: Add entries for new functions. 3454 34552005-03-21 Ulrich Drepper <drepper@redhat.com> 3456 3457 * libdw.h: Handle broken gcc < 4. 3458 34592005-02-15 Ulrich Drepper <drepper@redhat.com> 3460 3461 * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2. 3462 3463 * dwarf_begin_elf.c: Fix warnings. 3464 * dwarf_dieoffset.c: Likewise. 3465 * dwarf_end.c: Likewise. 3466 * dwarf_error.c: Likewise. 3467 * dwarf_getpubnames.c: Likewise. 3468 3469 * libdwP.h: Add new error values. 3470 * dwarf_error.c: Support new error values. 3471 * dwarf_getpubnames.c: Check parameter value. 3472 34732005-02-05 Ulrich Drepper <drepper@redhat.com> 3474 3475 * Makefile.am: Check for text relocations in constructed DSO. 3476 3477 * Makefile.am [MUDFLAP] (AM_CFLAGS): Add -fmudflap. 3478 34792005-02-04 Ulrich Drepper <drepper@redhat.com> 3480 3481 * dwarf_siblingof.c (dwarf_siblingof): Add some buffer boundary 3482 checks to not read over buffer boundaries for ill-formed DWARF data. 3483 34842004-09-25 Ulrich Drepper <drepper@redhat.com> 3485 3486 * dwarf_child.c: Make compile with gcc 4.0. 3487 * dwarf_error.c: Likewise. 3488 * dwarf_formblock.c: Likewise. 3489 * dwarf_getabbrev.c: Likewise. 3490 * dwarf_getattrs.c: Likewise. 3491 * dwarf_getsrclines.c: Likewise. 3492 * dwarf_tag.c: Likewise. 3493 * libdw_form.c: Likewise. 3494 34952004-01-20 Ulrich Drepper <drepper@redhat.com> 3496 3497 * Makefile.am: Support building with mudflap. 3498 3499 * dwarf_getloclist.c: Fix warnings gcc 3.4 spits out. 3500 * dwarf_getsrclines.c: Likewise. 3501 * dwarf_memory-access.h: Likewise. 3502 35032004-01-19 Ulrich Drepper <drepper@redhat.com> 3504 3505 * dwarf_getsrcfiles.c: Third parameter can be NULL. 3506 3507 * libdw.h: Define Dwarf_macro. Declare dwarf_getmacros. 3508 Third parameter of dwarf_getsrcfiles can be NULL. 3509 3510 * libdw.map: Add dwarf_getmacros. 3511 * Makefile.am (libdw_a_SOURCES): Add dwarf_getmacros. 3512 * dwarf_getmacros.c: New file. 3513 35142004-01-18 Ulrich Drepper <drepper@redhat.com> 3515 3516 * libdw.h: Second parameter of dwarf_getaranges can be NULL. 3517 3518 * dwarf_nextcu.c: Return -1 if dwarf parameter is NULL. 3519 3520 * dwarf_getsrclines.c: 3521 Use read_2ubyte_unaligned_inc instead of _inc-less variant. 3522 3523 * dwarf_getaranges.c: Allow naranges parameter to be NULL. 3524 3525 * libdwP.h (_): Use elfutils domain. 3526 3527 * dwarf_getsrclines.c (dwarf_getsrclines): Add more branch prediction. 3528 3529 * dwarf_getsrclines.c: Fix typo in comment. 3530 35312004-01-17 Ulrich Drepper <drepper@redhat.com> 3532 3533 * Makefile.am: Support building with mudflap. 3534 35352004-01-16 Ulrich Drepper <drepper@redhat.com> 3536 3537 * memory-access.h: Add lots of const in case a pointer passed is const. 3538 3539 * dwarf_formflag.c: New file. 3540 * dwarf_getattrs.c: New file. 3541 * dwarf_error.c: Add new error value. 3542 * libdw.h: Add prototypes for new functions. Adjust prototype for 3543 dwarf_getpubnames. 3544 * libdw.map: Add new functions. 3545 * dwarf_getpubnames.c: Change type of return value and fourth parameter 3546 to ptrdiff_t. 3547 * libdwP.h: Add new error value. 3548 * Makefile.am (libdw_a_SOURCES): Add dwarf_getattrs.c and 3549 dwarf_formflag.c. 3550 3551 * dwarf_getpubnames.c (dwarf_getpubnames): Just fail if dbg is NULL. 3552 35532004-01-12 Ulrich Drepper <drepper@redhat.com> 3554 3555 * dwarf_getarange_addr.c: New file 3556 * dwarf_getarangeinfo.c: New file. 3557 * dwarf_getaranges.c: New file. 3558 * dwarf_onerange.c: New file. 3559 * libdw.h: Declare new functions. Define Dwarf_Arange and 3560 Dwarf_Aranges. 3561 * libdw.map: Add new functions. 3562 * libdwP.h: Add new errors. Add aranges member to struct Dwarf. 3563 Define Dwarf_Aranges_s and Dwarf_Arange_s. 3564 * Makefile.am (libdw_a_SOURCES): Add dwarf_getaranges.c, 3565 dwarf_onearange.c, dwarf_getarangeinfo.c, dwarf_getarange_addr.c. 3566 * dwarf_error.c: Add new message. 3567 35682004-01-11 Ulrich Drepper <drepper@redhat.com> 3569 3570 * Makefile.am (libdw_a_SOURCES): Add dwarf_lineaddr.c, dwarf_linecol.c, 3571 dwarf_linebeginstatement.c, dwarf_lineendsequence.c, dwarf_lineblock.c, 3572 dwarf_lineprologueend.c, dwarf_lineepiloguebegin.c, dwarf_onesrcline.c. 3573 * dwarf_error.c: Add another message. 3574 * dwarf_getsrc_die.c: Adjust for Dwarf_Files and Dwarf_Lines 3575 introduction. 3576 * dwarf_filesrc.c: Likewise. 3577 * dwarf_getsrcfiles.c: Likewise. 3578 * dwarf_getsrclines.c: Likewise. 3579 * dwarf_lineaddr.c: New file. 3580 * dwarf_linebeginstatement.c: New file. 3581 * dwarf_lineblock.c: New file. 3582 * dwarf_linecol.c: New file. 3583 * dwarf_lineendsequence.c: New file. 3584 * dwarf_lineepiloguebegin.c: New file. 3585 * dwarf_lineno.c: New file. 3586 * dwarf_lineprologueend.c: New file. 3587 * dwarf_onesrcline.c: New file. 3588 * dwarf_lineno.c: Change interface to store result in object pointed 3589 to by second parameter. 3590 * libdw.h: Add prototypes for new functions. Change dwarf_lineno 3591 prototype. Define Dwarf_Files and Dwarf_Lines. 3592 * libdw.map: Add new functions. 3593 * libdwP.h: Define Dwarf_Files_s and Dwarf_Lines_s. 3594 * libdw_findcu.c: Don't initialize nlines field. 3595 3596 * dwarf_siblingof: Little optimization. 3597 3598 * dwarf_begin.c: Remember that the ELF descriptor must be closed. 3599 * dwarf_end.c: Close ELF descriptor if free_elf is set. 3600 * libdwP.h (struct Dwarf): Add free_elf field. 3601 3602 * Makefile.am (libdw_a_SOURCES): Add dwarf_getstring.c and 3603 dwarf_offabbrev.c. 3604 * dwarf_getstring.c: New file. 3605 * dwarf_offabbrev.c: New file. 3606 * libdw.map: Add dwarf_getstring and dwarf_offabbrev. 3607 * dwarf_getabbrev.c (__libdw_getabbrev): Add new dbg and result 3608 parameters. Don't allocate memory if not necessary and don't lookup 3609 previous results if no CU given. 3610 (dwarf_getabbrev): Adjust call to __libdw_getabbrev. 3611 * dwarf_tag.c: Adjust call to __libdw_getabbrev. 3612 * libdw.h: Declare dwarf_offabbrev and dwarf_getstring. 3613 * libdwP.h: Change prototype for __libdw_getabbrev. 3614 3615 * dwarf_getabbrevattr.c: Add offsetp parameter. Fill in before 3616 returning if this is wanted. 3617 36182004-01-09 Ulrich Drepper <drepper@redhat.com> 3619 3620 * dwarf_nextcu.c: Add new parameter offset_sizep. Initialize it 3621 with offset_size value. 3622 * libdw.h: Adjust dwarf_nextcu prototype. 3623 * libdwP.h (struct Dwarf_CU): Add offset_size member. 3624 * libdw_findcu.c: Adjust dwarf_nextcu call. Initialize offset_size 3625 member of new CU struct. 3626 * dwarf_formstring.c: Depend on offset_size not address_size for 3627 DW_FORM_strp handling. 3628 * dwarf_form.c: Likewise for DW_FORM_strp and DW_FORM_ref_addr. 3629 3630 * dwarf_tag.c (__libdw_findabbrev): Return correct value for 3631 failing lookup. 3632 (dwarf_tag): Correctly recognize failed lookup. 3633 3634 * dwarf_end.c (cu_free): Call tdestroy for locs member. Use new 3635 function noop_free. 3636 * dwarf_error.c: Add message for DWARF_E_NO_BLOCK. 3637 * dwarf_formblock.c: New file. 3638 * dwarf_getloclist.c: Rewrite to handle a single block. 3639 * libdw.h: Define Dwarf_Block. Rename Dwarf_Loc members. Remove 3640 Dwarf_Locdesc definition. Declare dwarf_formblock. Remove 3641 dwarf_getloclistent declaration. 3642 * libdw.map: Add dwarf_formblock, remove dwarf_getloclistent. 3643 * libdwP.h: Define struct loc_s and DWARF_E_NO_BLOCK. 3644 Add locs member to struct Dwarf_CU. 3645 * libdw_fundcu.c: Initialize locs member of new CU. 3646 * Makefile.am (libdw_a_SOURCES): Add dwarf_formblock.c. 3647 Remove dwarf_getloclistent.c. 3648 36492004-01-07 Ulrich Drepper <drepper@redhat.com> 3650 3651 * libdw.h: Use __nonnull__ attribute only for gcc >= 3.3. 3652 * libdwP.h: Likewise. 3653 3654 * dwarf_getloclist.c: New file. 3655 * dwarf_getloclistent.c: New file. 3656 * libdw.h: Define Dwarf_Loc and Dwarf_Locdesc. 3657 Declare dwarf_getloclistent and dwarf_getloclist. 3658 * libdw.map: Add dwarf_getloclistent and dwarf_getloclist. 3659 * libdwP.h: Define DWARF_E_NO_LOCLIST. 3660 * Makefile.am (libdw_a_SOURCES): Add dwarf_getloclistent.c and 3661 dwarf_getloclist.c. 3662 3663 * dwarf_error.c: More error messages. 3664 36652004-01-06 Ulrich Drepper <drepper@redhat.com> 3666 3667 * dwarf_getsrclines.c: Remove debugging support. 3668 3669 * dwarf_getsrcfiles.c: New file. 3670 * dwarf_filesrc.c: New file. 3671 * libdw.h: Declare these functions. Define Dwarf_File. 3672 * libdwP.c: Adjust Dwarf_File_s definition. 3673 * libdw.map: Add these functions. 3674 * Makefile.am (libdw_a_SOURCES): Add dwarf_getsrcfiles.c and 3675 dwarf_filesrc.c. 3676 * dwarf_getsrclines.c: Initialize cu->files. 3677 36782004-01-05 Ulrich Drepper <drepper@redhat.com> 3679 3680 * libdw.h: Add more nonnull function attributes. 3681 3682 * dwarf_begin_elf.c (dwarf_begin_elf): Don't initialize mem_tail->next. 3683 * dwarf_end.c (cu_free): New function. 3684 (dwarf_end): Also free CU tree. Correct freeing of memory blocks. 3685 * dwarf_error.c (errmsgs): Add new messages. 3686 * dwarf_getsrc_die.c: New file. 3687 * dwarf_getsrclines.c: New file. 3688 * dwarf_lineno.c: New file. 3689 * dwarf_linesrc.c: New file. 3690 * dwarf_nextcu.c (dwarf_nextcu): Use read_*byte_unaligned_inc 3691 instead of the *_inc-less variants. 3692 * libdw.h: Define Dwarf_Line. Add some function attributes. Declare 3693 dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, and dwarf_linesrc. 3694 * libdw.map: Add dwarf_getsrclines, dwarf_getsrc_die, dwarf_lineno, 3695 and dwarf_linesrc. 3696 * libdwP.h: Add more error codes. 3697 (struct Dwarf): Remove mem_tail.next member. 3698 (Dwarf_File): Define type. 3699 (struct Dwarf_Line_s): Define type. 3700 (struct Dwarf_CU): Add lines and nlines members. 3701 (libdw_alloc): Define local variable _tail and use it. 3702 Add some function attributes. 3703 * libdw_alloc.c (__libdw_allocate): Don't initialize next member. 3704 * libdw_findcu.c (__libdw_findcu): Initialize lines and nlines members. 3705 * memory-access.h: Add unlikely for the endian conversion paths. 3706 * Makefile.am (AM_CFLAGS): Add -std parameter. 3707 (libdw_a_SOURCES): Add dwarf_getsrclines, dwarf_getsrc_die, 3708 dwarf_lineno, and dwarf_linesrc. 3709 37102003-08-11 Ulrich Drepper <drepper@redhat.com> 3711 3712 * Moved to CVS archive. 3713