3 elfclassify: New tool to analyze ELF objects.
5 readelf: Print DW_AT_data_member_location as decimal offset.
6 Decode DW_AT_discr_list block attributes.
8 libdw: Add DW_AT_GNU_numerator, DW_AT_GNU_denominator and DW_AT_GNU_bias.
10 libdwelf: Add dwelf_elf_e_machine_string.
11 dwelf_elf_begin now only returns NULL when there is an error
12 reading or decompressing a file. If the file is not an ELF file
13 an ELF handle of type ELF_K_NONE is returned.
15 backends: Add support for C-SKY.
19 build: Add new --enable-install-elfh option.
20 Do NOT use this for system installs (it overrides glibc elf.h).
22 backends: riscv improved core file and return value location support.
24 Fixes CVE-2019-7146, CVE-2019-7148, CVE-2019-7149, CVE-2019-7150,
25 CVE-2019-7664, CVE-2019-7665
29 readelf: Handle mutliple .debug_macro sections.
30 Recognize and parse GNU Property notes, NT_VERSION notes
31 and GNU Build Attribute ELF Notes.
33 strip: Handle SHT_GROUP correctly.
34 Add strip --reloc-debug-sections-only option.
35 Handle relocations against GNU compressed sections.
37 libdwelf: New function dwelf_elf_begin.
39 libcpu: Recognize bpf jump variants BPF_JLT, BPF_JLE, BPF_JSLT and BPF_JSLE.
41 backends: RISCV handles ADD/SUB relocations. Handle SHT_X86_64_UNWIND.
43 Fixes CVE-2018-18310, CVE-2018-18520 and CVE-2018-18521.
47 libelf, libdw and all tools now handle extended shnum and shstrndx correctly.
49 elfcompress: Don't rewrite input file if no section data needs updating.
50 Try harder to keep same file mode bits (suid) on rewrite.
52 strip: Handle mixed (out of order) allocated/non-allocated sections.
54 unstrip: Handle SHT_GROUP sections.
56 backends: RISCV and M68K now have backend implementations to generate CFI based
59 Fixes CVE-2018-16062, CVE-2018-16402 and CVE-2018-16403.
63 More fixes for crashes and hangs found by afl-fuzz. In particular various
64 functions now detect and break infinite loops caused by bad DIE tree cycles.
66 readelf: Will now lookup the size and signedness of constant value types
67 to display them correctly (and not just how they were encoded).
69 libdw: New function dwarf_next_lines to read CU-less .debug_line data.
70 dwarf_begin_elf now accepts ELF files containing just .debug_line
71 or .debug_frame sections (which can be read without needing a DIE
72 tree from the .debug_info section).
73 Removed dwarf_getscn_info, which was never implemented.
75 backends: Handle BPF simple relocations.
76 The RISCV backends now handles ABI specific CFI and knows about
77 RISCV register types and names.
81 No functional changes compared to 0.171.
83 Various bug fixes in libdw and eu-readelf dealing with bad DWARF5 data.
84 Thanks to running the afl fuzzer on eu-readelf and various testcases.
86 eu-readelf -N is ~15% faster.
90 DWARF5 and split dwarf, including GNU DebugFission, are supported now.
91 Data can be read from the new DWARF sections .debug_addr, .debug_line_str,
92 .debug_loclists, .debug_str_offsets and .debug_rnglists. Plus the new
93 DWARF5 and GNU DebugFission encodings of the existing .debug sections.
94 Also in split DWARF .dwo (DWARF object) files. This support is mostly
95 handled by existing functions (dwarf_getlocation*, dwarf_getsrclines,
96 dwarf_ranges, dwarf_form*, etc.) now returning the data from the new
97 sections and data formats. But some new functions have been added
98 to more easily get information about skeleton and split compile units
99 (dwarf_get_units and dwarf_cu_info), handle new attribute data
100 (dwarf_getabbrevattr_data) and to keep references to Dwarf_Dies
101 that might come from different sections or files (dwarf_die_addr_die).
103 Not yet supported are .dwp (Dwarf Package) and .sup (Dwarf Supplementary)
104 files, the .debug_names index, the .debug_cu_index and .debug_tu_index
105 sections. Only a single .debug_info (and .debug_types) section are
108 readelf: Handle all new DWARF5 sections.
109 --debug-dump=info+ will show split unit DIEs when found.
110 --dwarf-skeleton can be used when inspecting a .dwo file.
111 Recognizes GNU locviews with --debug-dump=loc.
113 libdw: New functions dwarf_die_addr_die, dwarf_get_units,
114 dwarf_getabbrevattr_data and dwarf_cu_info.
115 libdw will now try to resolve the alt file on first use of
116 an alt attribute FORM when not set yet with dwarf_set_alt.
117 dwarf_aggregate_size() now works with multi-dimensional arrays.
119 libdwfl: Use process_vm_readv when available instead of ptrace.
121 backends: Add a RISC-V backend.
123 There were various improvements to build on Windows.
124 The sha1 and md5 implementations have been removed, they weren't used.
128 libdw: Added new DWARF5 attribute, tag, character encoding, language code,
129 calling convention, defaulted member function and macro constants
131 New functions dwarf_default_lower_bound and dwarf_line_file.
132 dwarf_peel_type now handles DWARF5 immutable, packed and shared tags.
133 dwarf_getmacros now handles DWARF5 .debug_macro sections.
135 strip: Add -R, --remove-section=SECTION and --keep-section=SECTION.
137 backends: The bpf disassembler is now always build on all platforms.
141 backends: Add support for EM_PPC64 GNU_ATTRIBUTES.
142 Frame pointer unwinding fallback support for i386, x86_64, aarch64.
144 translations: Update Polish translation.
148 http://elfutils.org/ is now hosted at http://sourceware.org/elfutils/
150 libelf: gelf_newehdr and gelf_newehdr now return void *.
152 libdw: dwarf.h corrected the DW_LANG_PLI constant name (was DW_LANG_PL1).
154 readelf: Add optional --symbols[=SECTION] argument to select section name.
158 libasm: Add eBPF disassembler for EM_BPF files.
160 backends: Add m68k and BPF backends.
164 dwelf: Add ELF/DWARF string table creation functions. dwelf_strtab_init,
165 dwelf_strtab_add, dwelf_strtab_add_len, dwelf_strtab_finalize,
166 dwelf_strent_off, dwelf_strent_str and dwelf_strtab_free.
170 config: The default program prefix for the installed tools is now eu-.
171 Use configure --program-prefix="" to not use a program prefix.
175 elfcompress: New utility to compress or decompress ELF sections.
177 readelf: Add -z,--decompress option.
179 libelf: Add elf_compress, elf_compress_gnu, elf32_getchdr, elf64_getchdr
182 libdwelf: New function dwelf_scn_gnu_compressed_size.
184 config: Add libelf and libdw pkg-config files.
186 backends: sparc support for core and live backtraces.
188 translations: Updated Polish translation.
192 strip, unstrip: Handle ELF files with merged strtab/shstrtab tables.
193 Handle missing SHF_INFO_LINK section flags.
195 libelf: Use int64_t for offsets in libelf.h instead of loff_t.
197 libdw: dwarf.h Add preliminary DWARF5 DW_LANG_Haskell.
199 libdwfl: dwfl_standard_find_debuginfo now searches any subdir of the binary
200 path under the debuginfo root when the separate debug file couldn't
201 be found by build-id.
202 dwfl_linux_proc_attach can now be called before any Dwfl_Modules
205 backends: Better sparc and sparc64 support.
207 translations: Updated Ukrainian translation.
209 Provide default-yama-scope subpackage.
213 Bug fixes only, no new features.
217 libdw: Install new header elfutils/known-dwarf.h.
218 dwarf.h Add preliminary DWARF5 constants DW_TAG_atomic_type,
219 DW_LANG_Fortran03, DW_LANG_Fortran08. dwarf_peel_type now also
220 handles DW_TAG_atomic_type.
222 addr2line: Input addresses are now always interpreted as hexadecimal
223 numbers, never as octal or decimal numbers.
224 New option -a, --addresses to print address before each entry.
225 New option -C, --demangle to show demangled symbols.
226 New option --pretty-print to print all information on one line.
228 ar: CVE-2014-9447 Directory traversal vulnerability in ar extraction.
230 backends: x32 support.
234 libdw: New function dwarf_peel_type. dwarf_aggregate_size now uses
235 dwarf_peel_type to also provide the sizes of qualified types.
236 dwarf_getmacros will now serve either of .debug_macro and
237 .debug_macinfo transparently. New interfaces
238 dwarf_getmacros_off, dwarf_macro_getsrcfiles,
239 dwarf_macro_getparamcnt, and dwarf_macro_param are available
240 for more generalized inspection of macros and their parameters.
241 dwarf.h: Add DW_AT_GNU_deleted, DW_AT_noreturn, DW_LANG_C11,
242 DW_LANG_C_plus_plus_11 and DW_LANG_C_plus_plus_14.
246 libdw: New functions dwarf_cu_getdwarf, dwarf_cu_die.
247 dwarf.h remove non-existing DW_TAG_mutable_type.
249 libdwfl: Handle LZMA .ko.xz compressed kernel modules.
251 unstrip: New option -F, --force to combining files even if some ELF headers
254 backends: Handle ARM THUMB functions. Add support for ppc64le ELFv2 abi.
258 stack: New option -d, --debugname to lookup DWARF debuginfo name for frame.
259 New option -i, --inlines to show inlined frames using DWARF debuginfo.
261 libdwelf: New libdwelf.h header for libdw.so DWARF ELF Low-level Functions.
262 New function dwelf_elf_gnu_debuglink, dwelf_dwarf_gnu_debugaltlink,
263 and dwelf_elf_gnu_build_id.
265 libdw: Support for DWZ multifile forms DW_FORM_GNU_ref_alt and
266 DW_FORM_GNU_strp_alt is now enabled by default and no longer
267 experimental. Added new functions dwarf_getalt and dwarf_setalt
268 to get or set the alternative debug file used for the alt FORMs.
269 The dwfl_linux_proc_find_elf callback will now find ELF from
270 process memory for (deleted) files if the Dwfl has process state
273 libdwfl: The dwfl_build_id_find_debuginfo and dwfl_standard_find_debuginfo
274 functions will now try to resolve and set the alternative debug file.
276 backends: Add CFI unwinding for arm. Relies on .debug_frame.
277 Add arm process initial register state compatible mode to AARCH64.
278 Add aarch64 native and core unwind support.
280 other: All separate elfutils-robustify patches have been merged.
281 CVE-2014-0172 Check overflow before calling malloc to uncompress data.
285 libdwfl: dwfl_core_file_report has new parameter executable.
286 New functions dwfl_module_getsymtab_first_global,
287 dwfl_module_getsym_info and dwfl_module_addrinfo.
288 Added unwinder with type Dwfl_Thread_Callbacks, opaque types
289 Dwfl_Thread and Dwfl_Frame and functions dwfl_attach_state,
290 dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid, dwfl_frame_thread,
291 dwfl_thread_state_registers, dwfl_thread_state_register_pc,
292 dwfl_getthread_frames, dwfl_getthreads, dwfl_thread_getframes
295 addr2line: New option -x to show the section an address was found in.
297 stack: New utility that uses the new unwinder for processes and cores.
299 backends: Unwinder support for i386, x86_64, s390, s390x, ppc and ppc64.
304 libdw: Add new functions dwarf_getlocations, dwarf_getlocation_attr
305 and dwarf_getlocation_die.
307 readelf: Show contents of NT_SIGINFO and NT_FILE core notes.
309 addr2line: Support -i, --inlines output option.
311 backends: abi_cfi hook for arm, ppc and s390.
315 lib: New macro COMPAT_VERSION_NEWPROTO.
317 libdw: Handle GNU extension opcodes in dwarf_getlocation.
319 libdwfl: Fix STB_GLOBAL over STB_WEAK preference in dwfl_module_addrsym.
320 Add minisymtab support.
321 Add parameter add_p_vaddr to dwfl_report_elf.
322 Use DT_DEBUG library search first.
324 libebl: Handle new core note types in EBL.
326 backends: Interpret NT_ARM_VFP.
327 Implement core file registers parsing for s390/s390x.
329 readelf: Add --elf-section input option to inspect an embedded ELF file.
330 Add -U, --unresolved-address-offsets output control.
331 Add --debug-dump=decodedline support.
332 Accept version 8 .gdb_index section format.
333 Adjust output formatting width.
334 When highpc is in constant form print it also as address.
335 Display raw .debug_aranges. Use libdw only for decodedaranges.
337 elflint: Add __bss_start__ to the list of allowed symbols.
339 tests: Add configure --enable-valgrind option to run all tests under valgrind.
340 Enable automake parallel-tests for make check.
342 translations: Updated Polish translation.
344 Updates for Automake 1.13.
348 libelf: elf*_xlatetomd now works for cross-endian ELF note data.
349 elf_getshdr now works consistently on non-mmaped ELF files after
350 calling elf_cntl(ELF_C_FDREAD).
351 Implement support for ar archives with 64-bit symbol table.
353 libdw: dwarf.h corrected the DW_LANG_ObjC constant name (was DW_LANG_Objc).
354 Any existing sources using the old name will have to be updated.
355 Add DW_MACRO_GNU .debug_macro type encodings constants, DW_ATE_UTF
356 and DW_OP_GNU_parameter_ref to dwarf.h.
357 Experimental support for DWZ multifile forms DW_FORM_GNU_ref_alt
358 and DW_FORM_GNU_strp_alt. Disabled by default. Use configure
359 --enable-dwz to test it.
361 readelf: Add .debug_macro parsing support.
362 Add .gdb_index version 7 parsing support.
363 Recognize DW_OP_GNU_parameter_ref.
365 backends: Add support for Tilera TILE-Gx processor.
367 translations: Updated Ukrainian translation.
371 libelf: [g]elf[32|64]_offscn() do not match SHT_NOBITS sections at OFFSET.
373 libdw: dwarf_highpc function now handles DWARF 4 DW_AT_high_pc constant form.
374 Fix bug using dwarf_next_unit to iterate over .debug_types.
376 elflint: Now accepts gold linker produced executables.
378 The license is now GPLv2/LGPLv3+ for the libraries and GPLv3+ for stand-alone
379 programs. There is now also a formal CONTRIBUTING document describing how to
384 libdw: Support reading .zdebug_* DWARF sections compressed via zlib.
386 libdwfl: Speed up dwfl_module_addrsym.
388 nm: Support C++ demangling.
390 ar: Support D modifier for "deterministic output" with no uid/gid/mtime info.
391 The U modifier is the inverse.
392 elfutils can be configured with the --enable-deterministic-archives
393 option to make the D behavior the default when U is not specified.
395 ranlib: Support -D and -U flags with same meaning.
397 readelf: Improve output of -wline. Add support for printing SDT elf notes.
398 Add printing of .gdb_index section.
399 Support for typed DWARF stack, call_site and entry_value.
401 strip: Add --reloc-debug-sections option.
402 Improved SHT_GROUP sections handling.
406 Various build and warning nits fixed for newest GCC and Autoconf.
408 libdwfl: Yet another prelink-related fix for another regression.
409 Look for Linux kernel images in files named with compression suffixes.
411 elfcmp: New flag --ignore-build-id to ignore differing build ID bits.
412 New flag -l/--verbose to print all differences.
416 libdwfl: Fix for more prelink cases with separate debug file.
418 strip: New flag --strip-sections to remove section headers entirely.
422 libdw: Fix for handling huge .debug_aranges section.
424 libdwfl: Fix for handling prelinked DSO with separate debug file.
426 findtextrel: Fix diagnostics to work with usual section ordering.
428 libebl: i386 backend fix for multi-register integer return value location.
432 libdw: Decode new DW_OP_GNU_implicit_pointer operation;
433 new function dwarf_getlocation_implicit_pointer.
435 libdwfl: New function dwfl_dwarf_line.
437 addr2line: New flag -F/--flags to print more DWARF line information details.
439 strip: -g recognizes .gdb_index as a debugging section.
443 libdw: Accept DWARF 4 format: new functions dwarf_next_unit, dwarf_offdie_types.
444 New functions dwarf_lineisa, dwarf_linediscriminator, dwarf_lineop_index.
446 libdwfl: Fixes in core-file handling, support cores from PIEs.
447 When working from build IDs, don't open a named file that mismatches.
449 readelf: Handle DWARF 4 formats.
453 libdw: Fixes in CFI handling, best possible handling of bogus CFA ops.
455 libdwfl: Ignore R_*_NONE relocs, works around old (binutils) ld -r bugs.
459 libdwfl: New function dwfl_core_file_report.
463 Fix build with --disable-dependency-tracking.
465 Fix build with most recent glibc headers.
467 libelf: More robust to bogus section headers.
469 libdw: Fix CFI decoding.
471 libdwfl: Fix address bias returned by CFI accessors.
472 Fix core file module layout identification.
474 readelf: Fix CFI decoding.
478 libelf: New function elf_getphdrnum.
479 Now support using more than 65536 program headers in a file.
481 libdw: New function dwarf_aggregate_size for computing (constant) type
482 sizes, including array_type cases with nontrivial calculation.
484 readelf: Don't give errors for missing info under -a.
485 Handle Linux "VMCOREINFO" notes under -n.
489 libdw: Various convenience functions for individual attributes now use
490 dwarf_attr_integrate to look up indirect inherited attributes.
491 Location expression handling now supports DW_OP_implicit_value.
493 libdwfl: Support automatic decompression of files in XZ format,
494 and of Linux kernel images made with bzip2 or LZMA (as well as gzip).
498 libelf: Add elf_getshdrnum alias for elf_getshnum and elf_getshdrstrndx alias
499 for elf_getshstrndx and deprecate original names. Sun screwed up
500 their implementation and asked for a solution.
502 libebl: Add support for STB_GNU_UNIQUE.
504 elflint: Add support for STB_GNU_UNIQUE.
506 readelf: Add -N option, speeds up DWARF printing without address->name lookups.
508 libdw: Add support for decoding DWARF CFI into location description form.
509 Handle some new DWARF 3 expression operations previously omitted.
510 Basic handling of some new encodings slated for DWARF 4.
514 libebl: sparc backend fixes;
515 some more arm backend support
517 libdwfl: fix dwfl_module_build_id for prelinked DSO case;
518 fixes in core file support;
519 dwfl_module_getsym interface improved for non-address symbols
521 strip: fix infinite loop on strange inputs with -f
523 addr2line: take -j/--section=NAME option for binutils compatibility
524 (same effect as '(NAME)0x123' syntax already supported)
528 libelf: Fix regression in creation of section header
530 libdwfl: Less strict behavior if DWARF reader ist just used to display data
534 libcpu: Add Intel SSE4 disassembler support
536 readelf: Implement call frame information and exception handling dumping.
537 Add -e option. Enable it implicitly for -a.
539 elflint: Check PT_GNU_EH_FRAME program header entry.
541 libdwfl: Support automatic gzip/bzip2 decompression of ELF files.
545 Install <elfutils/version.h> header file for applications to use in source
546 version compatibility checks.
548 libebl: backend fixes for i386 TLS relocs; backend support for NT_386_IOPERM
550 libcpu: disassembler fixes
556 nm: bug fixes for handling corrupt input files
560 Minor fixes for unreleased 0.136 release.
564 libdwfl: bug fixes; new "segment" interfaces;
565 all the libdwfl-based tools now support --core=COREFILE option
571 strip: changed handling of ET_REL files wrt symbol tables and relocs
575 elflint: backend improvements for sparc, alpha
577 libdwfl, libelf: bug fixes
581 readelf, elflint, libebl: SHT_GNU_ATTRIBUTE section handling (readelf -A)
583 readelf: core note handling for NT_386_TLS, NT_PPC_SPE, Alpha NT_AUXV
585 libdwfl: bug fixes and optimization in relocation handling
587 elfcmp: bug fix for non-allocated section handling
589 ld: implement newer features of binutils linker.
593 libcpu: Implement x86 and x86-64 disassembler.
594 libasm: Add interface for disassembler.
596 all programs: add debugging of branch prediction.
598 libelf: new function elf_scnshndx.
602 libdw: DW_FORM_ref_addr support; dwarf_formref entry point now deprecated;
603 bug fixes for oddly-formatted DWARF
605 libdwfl: bug fixes in offline archive support, symbol table handling;
606 apply partial relocations for dwfl_module_address_section on ET_REL
608 libebl: powerpc backend support for Altivec registers
612 readelf: -p option can take an argument like -x for one section,
613 or no argument (as before) for all SHF_STRINGS sections;
614 new option --archive-index (or -c);
615 improved -n output for core files, on many machines
617 libelf: new function elf_getdata_rawchunk, replaces gelf_rawchunk;
618 new functions gelf_getnote, gelf_getauxv, gelf_update_auxv
620 readelf, elflint: handle SHT_NOTE sections without requiring phdrs
622 elflint: stricter checks on debug sections
624 libdwfl: new functions dwfl_build_id_find_elf, dwfl_build_id_find_debuginfo,
625 dwfl_module_build_id, dwfl_module_report_build_id;
626 support dynamic symbol tables found via phdrs;
627 dwfl_standard_find_debuginfo now uses build IDs when available
629 unstrip: new option --list (or -n)
631 libebl: backend improvements for sparc, alpha, powerpc
635 readelf: new options --hex-dump (or -x), --strings (or -p)
637 addr2line: new option --symbols (or -S)
643 elfcmp: new option --hash-inexact
647 libdw: new function dwarf_getsrcdirs
649 libdwfl: new functions dwfl_module_addrsym, dwfl_report_begin_add,
650 dwfl_module_address_section
658 elflint: Compare DT_GNU_HASH tests.
660 move archives into -static RPMs
662 libelf, elflint: better support for core file handling
666 libebl: sparc backend support for return value location
668 libebl, libdwfl: backend register name support extended with more info
670 libelf, libdw: bug fixes for unaligned accesses on machines that care
672 readelf, elflint: trivial bugs fixed
676 libebl: Backend build fixes, thanks to Stepan Kasal.
678 libebl: ia64 backend support for register names, return value location
680 libdwfl: Handle truncated linux kernel module section names.
682 libdwfl: Look for linux kernel "vmlinux" files with ".debug" suffix.
684 elflint: Fix checks to permit --hash-style=gnu format.
688 libebl: add function to test for relative relocation
690 elflint: fix and extend DT_RELCOUNT/DT_RELACOUNT checks
692 elflint, readelf: add support for DT_GNU_HASH
693 libelf: add elf_gnu_hash
695 elflint, readelf: add support for 64-bit SysV-style hash tables
697 libdwfl: new functions dwfl_module_getsymtab, dwfl_module_getsym.
701 libelf: bug fixes for rewriting existing files when using mmap.
703 make all installed headers usable in C++ code.
705 readelf: better output format.
707 elflint: fix tests of dynamic section content.
709 ld: Implement --as-needed, --execstack, PT_GNU_STACK. Many small patches.
711 libdw, libdwfl: handle files without aranges info.
717 dwarf.h updated for DWARF 3.0 final specification.
719 libdwfl: New function dwfl_version.
721 The license is now GPL for most files. The libelf, libebl, libdw,
722 and libdwfl libraries have additional exceptions. Add reference to
733 libdwfl: New function dwfl_module_register_names.
735 libebl: New backend hook for register names.
739 libdwfl: New function dwfl_module_return_value_location.
741 libebl: Backend improvements for several CPUs.
745 libdw: New functions dwarf_ranges, dwarf_entrypc, dwarf_diecu,
746 dwarf_entry_breakpoints. Removed Dwarf_Func type and functions
747 dwarf_func_name, dwarf_func_lowpc, dwarf_func_highpc,
748 dwarf_func_entrypc, dwarf_func_die; dwarf_getfuncs callback now uses
749 Dwarf_Die, and dwarf_func_file, dwarf_func_line, dwarf_func_col
750 replaced by dwarf_decl_file, dwarf_decl_line, dwarf_decl_column;
751 dwarf_func_inline, dwarf_func_inline_instances now take Dwarf_Die.
752 Type Dwarf_Loc renamed to Dwarf_Op; dwarf_getloclist,
753 dwarf_addrloclists renamed dwarf_getlocation, dwarf_getlocation_addr.
757 libelf: speed-ups of non-mmap reading.
759 strings: New program.
761 Implement --enable-gcov option for configure.
763 libdw: New function dwarf_getscopes_die.
767 libelf: new function elf_getaroff
769 libdw: Added dwarf_func_die, dwarf_func_inline, dwarf_func_inline_instances.
771 libdwfl: New functions dwfl_report_offline, dwfl_offline_section_address,
772 dwfl_linux_kernel_report_offline.
778 elflint: relax a bit. Allow version definitions for defined symbols against
779 DSO versions also for symbols in nobits sections. Allow .rodata section
780 to have STRINGS and MERGE flag set.
782 strip: add some more compatibility with binutils.
786 elfcmp: some more relaxation.
788 elflint: many more tests, especially regarding to symbol versioning.
790 libelf: Add elfXX_offscn and gelf_offscn.
792 libasm: asm_begin interface changes.
794 libebl: Add three new interfaces to directly access machine, class, and
795 data encoding information.
797 objdump: New program. Just the beginning.
801 libdw: now contains all of libdwfl. The latter is not installed anymore.
803 elfcmp: little usability tweak, name and index of differing section is printed.
807 libelf: fix a number of problems with elf_update
809 elfcmp: fix a few bugs. Compare gaps.
811 Fix a few PLT problems and mudflap build issues.
813 libebl: Don't expose Ebl structure definition in libebl.h. It's now private.
817 libebl: Check for matching modules.
819 elflint: Check that copy relocations only happen for OBJECT or NOTYPE symbols.
823 libdwfl: New library.
827 strip: fix bug introduced in last change
829 libdw: records returned by dwarf_getsrclines are now sorted by address
833 readelf: improve DWARF output format
835 strip: support Linux kernel modules
839 libdw: Updated dwarf.h from DWARF3 spec
840 libdw: add new funtions dwarf_func_entrypc, dwarf_func_file, dwarf_func_line,
841 dwarf_func_col, dwarf_getsrc_file
845 addr2line: New program
847 libdw: add new functions: dwarf_addrdie, dwarf_macro_*, dwarf_getfuncs,
850 findtextrel: use dwarf_addrdie
854 findtextrel: New program.
858 libdw: Fix using libdw.h with gcc < 4 and C++ code. Compiler bug.
862 More Makefile and spec file cleanups.
866 Remove most gettext autoconf handling.
870 Fix resulting problems. One actual bug found and fixed this way
874 libebl: Fix x86-64 relocations.
876 Add -Wunused -Wextra warnings.
878 Some cleanups resulting from those additional warnings.
880 Lots of Makefile cleanup.
884 libelf: add gelf_checksum prototype to <libelf.h>
886 libelf: fix elf*_checksum handling of NOBITS sections
888 Finish mudflap support.
890 Fix three bugs found by mudflap.
892 ld: add as_needed support
896 readelf: in section to segment mapping, indicate read-only sections.
898 elflint: more relaxation for GNU ld
902 Fix compiling with gcc 4.0.
903 Some tests called elflint without appropriate LD_LIBRARY_PATH.
907 Fix support for platforms with lib64.
911 libebl: add ppc and ppc64 support
913 readelf: fix minimal memory leak.
915 Add support to compile with mudflap.
917 Modernize configure.ac. Move scripts in config subdir.
919 Modernize *-po directory infrastructure.
921 libelf: Add gelf_getlib and gelf_update_lib
923 readelf: print liblist sections
927 Fix some minimal build problems.
931 ibdw: tons of new functionality and bug fixes. Several interface changes.
933 readelf: use libdw now.
935 libdwarf: removed completely.
939 configuration changes.
943 libdw: fix memory handling. Implement source line handling.
944 nm: use libdw instead of libdwarf.
945 libelf: change to GPL from OSL1 for now.
949 libebl: Recognize a few more section types and dynamic tags and return
954 strip: fix overwriting of symbol table in input file.
958 libebl: Add some ia64 bits.
962 Bug fixes for big endian and some 64-bit machines.
966 strip: fix handling of Alpha and s390x which use incorrect hash bucket sizes.
968 ld: tons of changes, moving towards usability.
972 strip: update section group symbol index if the associated symbol table changed
974 libelf: fix two problems with generating output not via mmap
976 elflint: add probably 10-15 more tests
977 libebl: add support for some of the new tests
979 ld: gazillion changes
983 elflint: deal with .rel.dyn section. Fix a problem with rela platforms.
984 Handle PT_GNU_STACK. Change to write messages to stdout.
986 readelf: fix a problem with version information in the symbol table output.
988 strip: update all version symbol table entries
994 strip: last changed caused problems when the symbol table is before the
995 relocation section. Fixed. This fix also improved the asymptotic
996 behavior if many symbol table sections are present.
1000 Run strip tests with the correct libelf and libebl.
1002 libelf: fix bug in verneed byte order changing code.
1006 strip: Remove unused symbol table entries. This might require updating
1007 various other sections.
1011 Fix some libelf problems with ET_REL files.
1015 More warning changes, mainly by jbj.
1017 libdw: yet more new code. dwarf_child and dwarf_sibling should now actually
1022 libdw: 10+ new functions. get-pubnames2 works now fully. Almost all the
1023 code needed for nm is in place.
1027 cleanups to compile cleanly with gcc 3.3 and -Werror.
1029 libdw: some new code.
1033 libebl: Fix last patch to recognize relocation sections. We must not
1038 libebl: .debug_ranges is a DWARF 3 debug section
1039 libebl: recognize relocation sections for debug section
1040 Patches by Jakub Jelinek.
1044 Cleanups and more SPARC support by Tom Callaway <tcallaway@redhat.com>.
1048 64-bit cleanups for the programs.
1052 libelf: and yet more fun with endian tranformation at output time.
1056 libelf: more fun with endian tranformation at output time. Add test for it.
1060 libelf: Two little bugs left from previous patch to handle section output
1063 libelf: add unlikely in some more places.
1067 libelf: fix output routines to handle case where section indeces and
1068 ordre in the output file don't match correctly. Patch by Jakub.
1070 elflint: fix test of note section content for 64-bit platforms and files
1071 with different byte order.
1075 libebl: Fix SH_ENTSIZE_HASH definition (patch by Jakub)
1079 libelf: correct mistake in error string handling.
1081 libelf: Implement ELF_F_PERMISSIVE.
1082 strip: Implement --permissive option.
1086 strip: Implement -g option.
1088 libelf: Handle broken hash table entry sizes.
1090 libebl: New function ebl_debugscn_p. Use it where appropriate.
1094 libelf: Use correct file size for NOBITS section with ELF_F_LAYOUT set
1098 libelf: Make error handling more robust.
1099 libelf: Use TLS in error handler if configured with --enable-tls
1101 tests: input files are now distributed, not uuencoded in the shell scripts
1103 libdw: implement error handling, dwarf_get_pubnames
1107 Build (incomplete) libdw.
1119 libebl: Handle .gnu.warning.* sections correctly.
1121 size: Implement -t option.
1123 libebl: Add IA-64 support.
1124 libebl: Update SH relocations.
1125 libebl: Add Alpha support.
1126 libebl: Add Arm support.
1127 libebl: Add support for all currently known architecture to the loader.
1131 nm: Implement -S option. Correct portable output format. Implement -s option.
1133 libelf: Take offset of archive into account in elf_rand.
1137 strip: fix handling of ET_REL files.
1138 Add tests for strip.
1142 strip: respect layout of input file
1146 strip: handle files with large number of sections.
1150 libelf: quite a few bug fixes by Alex Larsson.
1152 strip: implement -f option to place stripped sections into a separate
1153 file. By Alex Larsson.
1157 strip: don't let STT_SECTION symbols keeps sections from being removed
1159 elflint: local symbols are allowed in .dynsym
1160 elflint: special case .rel.dyn a bit
1164 elflint: check types and flags of special sections defined in gABI
1166 libebl: add x86-64 support
1170 Start improvement of debug info handling in nm.
1172 libasm: implement asm_adduleb128 and asm_addsleb128 and a test for them
1176 Fix build on 64-bit platforms.
1180 nm: print file/line number also for local symbols
1182 use versions scripts not libtool's useless -export-symbols option
1186 Update to autoconf 2.54 and automake 1.7.
1188 elflint: check note sections
1190 libdwarf: a number of bug fixes
1192 readelf: print .debug_info section content
1194 dwarf.h: Update from draft 7
1200 libelf: new function to read parts of the ELF file
1202 libebl: support for note section handling
1204 readelf: dump note sections
1208 libelf: fix little new section-handling related bugs in elf_getshstrndx
1211 elflint: tests for mandatory content of dynamic section
1213 libasm: better handling of absolute symbols
1217 libasm: rewrite to store Elf_Scn* instead of indices
1219 nm: finish many-section support
1221 nm: use debug in to print file/line info in sysv format
1223 libdwarf: fix a few bugs in DIE handling
1227 libelf: major rewrite to keep Elf_Scn references valid until elf_end
1231 libasm: Add support for bss, ABS, and COM sections.
1233 libebl: ebl_section_name takes now two index arguments to distinguish
1234 between special sections and extended sections
1238 General: fix a few problem gcc 3.1 had with the code.
1240 libelf: implement {gelf,elf32,elf64}_checksum
1242 libelf: optimze DSO: fewer relocations, fewer PLTs
1246 ld: use correct section header string table index; write correct index
1248 add dependencies for *.sym files
1252 libelf: add elf_getshnum and elf_getshstrndx
1254 libebl: update section type name function
1256 elflint: tons of fixes wrt large number of sections. New tests in this area.
1257 Same amount of other bug fixes.
1259 size, strip, nm: better support for large number of sections. Including
1260 using correct section header string table
1262 libasm: correctly create data structures for large number of sections
1264 new tests asm-tst4 and asm-tst5 to check large number of sections
1266 libasm: implement section group generation
1268 elflint: more tests on section groups. Improve performance on existing
1273 ld: add undefined symbols to dynamic symbol table if --export-dynamic is
1276 ld: fix value of e_entry
1280 elflint: print section names in error messages
1282 elflint: mustn't warn about multiple DT_NULL
1284 ld: don't emit all symbols if --export-dynamic is not given
1286 ld: correct compute symbol address in output file (section index was off by 1)
1288 ld: generate correct version info in dynsym without --export-dynamic and
1293 Fix check of various e_*size entries in elflint.
1295 Handle text output in asm_newsym.
1297 Finish checks in asm-tst3.
1301 Update to autoconf 2.53, automake 1.6, gettext 0.11+.
1303 Introduce *.sym files to restrict export from DSOs.
1305 Use attribute_hidden and internal_function to optimize DSO code.
1307 Add TLS definitions in elf.h and handle them in readelf.
1309 Fix bug in verdef section generation in ld.
1311 Add initial libasm code.
1315 Implement better hash size optimization heuristic in ld. It uses a formula
1316 taking number of tests into account.
1318 Lots of small bug fixes.
1320 Improve readelf output format. Respect various sh_link/sh_info values.
1321 Correctly print versioning information for symbol tables.
1325 Implement preprocessing of linker script. Recognize -z combreloc.
1329 Implement -z ignore|record for ld.
1331 Implement creating of .gnu.version_r and .gnu.version sections. The
1332 .gnu.version does not yet contain correct info for defined and versioned
1333 symbols (means .gnu.version_d is not yet implemented).
1335 Implement gelf_update_* functions to create versioning data.
1339 Add DT_RUNPATH/DT_RPATH entries to dynamic section. Create .plt and
1340 .rel.plt sections (completely). Add support for all four PLT related
1341 dynamic section entries. Add callback function for PLT creation.
1343 More tests in elflint. Add support for very strict checking which for
1344 now flags level 2 (deprecated features) usage.
1348 Create dynamic symbol table, dynamic string table, and hash table to ld.
1350 Add hash table histogram support to readelf.
1354 more work on elflint
1356 ld now creates the dynamic section and references it. Start adding entries
1361 Start implementing elflint.
1365 Fix handling of NOBITS sections in elf_getdata.
1367 Start implementing generation of executables and DSOs in ld.
1368 Generation of program header mostly done. Address computation done.
1369 Extension of linker script syntax.
1373 Implement section group handling in readelf.
1377 Implement section groups. This involved a lot of code moving. The
1378 new code is entirely untested since gas/gcc are currently not able to
1379 create section groups. ld works fine on files without section groups.
1383 Fix problem with adding more section in elf_newscn. The section pointers
1384 for the data buffers wasn't adjusted.
1386 Fix elf_getdata with nonzero second parameter. Correctly handle creation
1387 of internal data buffer for machines without unaligned access.
1391 Start adding support to selectively add sections. Includes support for
1393 Add --gc-sections/--no-gc-sections options.
1394 Add general section merging support.
1396 Fix a bug in section group support in strip.
1398 Fix some potential problems with hash value in dynamic hash implementation.
1402 section merging works in ld.
1406 Actually create data structures from version map file and use it to hide
1409 Implement -s -s for ld.
1413 Improve relocation table output in readelf. Avoid some crashes.
1414 Finish many section handling in readelf.
1416 Finish: finish implementation of ld -r. At least some simple tests pass.
1420 Fix a number of errors in ELF_C_WRITE handling.
1422 Almost finished implementation of ld -r. The data sections are all copied.
1423 Handling of symbol tables is missing.
1427 Handle DSO and archive input files correctly if -r option is given.
1429 Gracefully deal with no phdr in new file in libelf.
1430 Fix various small error handling problems.
1431 Don't mmap file for output unless the command says so.
1433 Add code to create ELF section header table to ld finalize routines.
1437 Fix some problems with recursive handling of archives in libelf.
1439 Improve messages printed by nm.
1441 Add symbol binding name handling to libebl. Fix section name handling in
1444 readelf and nm use more libebl functions.
1446 Handle XINDEX correctly in nm and string.
1448 Add first machine ld backend library (i386).
1449 Use it. Recognize -r and --shared. Avoid using -lxxx parameters for -r.
1450 Create ELF header in output file. Change mode of output file according to
1451 output file type. Reorganize callback initialization in ld.
1455 Fix some memory leaks in libelf.
1459 Implement reading version script. Both inside linker scripts and via the
1460 --version-script command line parameter. Uses the same code.
1461 What remains to be done is to implement a data structure which allows
1462 efficient matching against the version names to decide which pattern
1465 Beginning of output generation and output writing functions.
1469 Finish implementation for DSO input file handling. Implement rpath, runpath,
1470 and LD_LIBRARY_PATH handling.
1474 make handling of e_shnum overflow in libelf standard conforming
1476 ld now actually can handle DSOs in linker scripts. Handling of DT_RUNPATH,
1477 DT_RPATH, -rpath, -rpath-link still remains to be implemented.
1479 fix handling of -L parameters. Make actual use of the default_paths element.
1481 make re-definition of symbols in and from DSO compatible with existing linker
1485 more work on assigning input sections to output sections.
1487 Add gelf_xlatetof and gelf_xlatetom which were accidently left out.
1489 Fix memory handling of section headers.
1493 Add many-section support to ld. Add various new command line parameters.
1494 Allow pagesize to be specified in linker script or on the command line.
1495 Collect input sections in list for the output section according to the rules
1496 specified in the linker script.
1500 Fix some problems in the internal list handling which had the result
1501 that we didn't look for some of the unresolved symbols.
1503 Free some memory if we know we don't need it anymore.
1505 Optimize the list of unresolved symbols. Throw out symbols which are
1510 Got file reading correct now. The files are all read while parsing
1511 the parameters. No creating of data structures to describe the linker
1512 command line. The symbol table is built up while reading the files.
1513 DSOs are handled now. -( -) handling is optimized.
1517 Linker read linker scripts everywhere. Handles --whole-archive. Recognizes
1518 --dynamic and --static. Collects defined and undefined symbols. Recognizes
1521 libebl now defines functions to call the callbacks. Add generic name handling
1522 in these new functions. Remove the code from readelf and call the new
1527 Start of linker. Basic argument parsing, finding of input files,
1528 linker script reading.
1532 Implement dwarf_get_fde_n(), dwarf_get_abbrev(), dwarf_get_abbrev_tag(),
1533 dwarf_get_abbrev_code(), dwarf_get_abbrev_children_flag(),
1534 dwarf_get_abbrev_entry(), dwarf_get_fde_at_pc(), and tests for it.
1538 Implement dwarf_get_fde_list_eh(), dwarf_get_cie_of_fde(),
1539 dwarf_get_fde_range(), dwarf_get_cie_info(), dwarf_get_fde_instr_bytes(),
1544 Make handling of binaries in other byte order work and add tests for it.
1548 Implement dwarf_get_aranges(), dwarf_get_arange(), dwarf_get_cu_die_offset(),
1549 dwarf_get_arange_info(), and tests for them.
1553 Implement dwarf_get_global(), dwarf_globname(), dwarf_global_die_offset(),
1554 dwarf_global_cu_offset(), dwarf_global_name_offsets(), and tests for them
1558 Implemented dwarf_srclines(), dwarf_srcfiles(), dwarf_linebeginstatement(),
1559 dwarf_lineendsequence(), dwarf_lineno(), dwarf_lineaddr(), dwarf_lineoff(),
1560 dwarf_linesrc(), dwarf_lineblock(), dwarf_lineprologueend(),
1561 dwarf_lineepiloguebegin(), and tests for them.
1565 Implemented dwarf_loclist().
1569 Implemented dwarf_dieoffset(), dwarf_die_CU_offset(), dwarf_diename() and
1572 Implemented dwarf_attrlist(), dwarf_hasattr(), dwarf_attr(), dwarf_lowpc(),
1573 dwarf_highpc(), dwarf_bytesize(), dwarf_bitsize(), dwarf_bitoffset(),
1574 dwarf_srclang(), dwarf_arrayorder(), dwarf_hasform(), dwarf_whatform(),
1575 dwarf_whatattr(), dwarf_formref(), dwarf_global_formref(), dwarf_formaddr(),
1576 dwarf_formflag(), dwarf_formudata(), dwarf_formsdata(), dwarf_formblock,
1577 dwarf_formstring() and tests for them.
1581 Implemented dwarf_offdie()), dwarf_tag(), dwarf_dieoffset(),
1582 dwarf_die_CU_offset(), dwarf_diename() and tests for them.
1586 First libdwarf functions work.
1590 libelf and parts of libebl are done.