08dc996fed
VLE 16A and 16D relocs were functionally swapped. PR 20744 include/ * opcode/ppc.h: Define VLE insns using 16A and 16D relocs. bfd/ * elf32-ppc.h (struct ppc_elf_params): Add vle_reloc_fixup field. * elf32-ppc.c: Include opcode/ppc.h. (ppc_elf_howto_raw): Correct dst_mask for R_PPC_VLE_LO16A, R_PPC_VLE_LO16D, R_PPC_VLE_HI16A, R_PPC_VLE_HI16D, R_PPC_VLE_HA16A, R_PPC_VLE_HA16D, R_PPC_VLE_SDAREL_LO16A, R_PPC_VLE_SDAREL_LO16D, R_PPC_VLE_SDAREL_HI16A, R_PPC_VLE_SDAREL_HI16D, R_PPC_VLE_SDAREL_HA16A, and R_PPC_VLE_SDAREL_HA16D relocs. (ppc_elf_link_hash_table_create): Update default_params init. (ppc_elf_vle_split16): Correct shift and mask. Add params. Report or fix insn/reloc mismatches. (ppc_elf_relocate_section): Pass input_section, offset and fixup to ppc_elf_vle_split16. binutils/ * NEWS: Mention PowerPC VLE relocation error. gas/ * config/tc-ppc.c: Delete VLE insn defines. (md_assemble): Swap use_a_reloc and use_d_reloc. * testsuite/gas/ppc/vle-reloc.d: Update. ld/ * emultempl/ppc32elf.em (params): Update initializer. Handle --vle-reloc-fixup command line arg.
564 lines
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564 lines
21 KiB
Plaintext
-*- text -*-
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* This version of binutils fixes a problem with PowerPC VLE 16A and 16D
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relocations which were functionally swapped, for example,
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R_PPC_VLE_HA16A performed like R_PPC_VLE_HA16D while R_PPC_VLE_HA16D
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performed like R_PPC_VLE_HA16A. This could have been fixed by
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renumbering relocations, which would keep object files created by an
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older version of gas compatible with a newer ld. However, that would
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require an ABI update, affecting other assemblers and linkers that
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create and process the relocations correctly. It is recommended that
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all VLE object files be recompiled, but ld can modify the relocations
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if --vle-reloc-fixup is passed to ld. If the new ld command line
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option is not used, ld will ld warn on finding relocations inconsistent
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with the instructions being relocated.
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||
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||
* The nm program has a new command line option (--with-version-strings)
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||
which will display a symbol's version information, if any, after the
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symbol's name.
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||
|
||
* The ARC port of objdump now accepts a -M option to specify the extra
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||
instruction class(es) that should be disassembled.
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||
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||
* The --remove-section option for objcopy and strip now accepts section
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||
patterns starting with an exclamation point to indicate a non-matching
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||
section. A non-matching section is removed from the set of sections
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||
matched by an earlier --remove-section pattern.
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||
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* The --only-section option for objcopy now accepts section patterns
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starting with an exclamation point to indicate a non-matching section.
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||
A non-matching section is removed from the set of sections matched by
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an earlier --only-section pattern.
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||
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* New --remove-relocations=SECTIONPATTERN option for objcopy and strip.
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This option can be used to remove sections containing relocations.
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The SECTIONPATTERN is the section to which the relocations apply, not
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the relocation section itself.
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Changes in 2.27:
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* Add a configure option, --enable-64-bit-archive, to force use of a
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64-bit format when creating an archive symbol index.
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* Add --elf-stt-common= option to objcopy for ELF targets to control
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whether to convert common symbols to the STT_COMMON type.
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||
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||
Changes in 2.26:
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||
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* Add option to objcopy to insert new symbols into a file:
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--add-symbol <name>=[<section>:]<value>[,<flags>]
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* Add support for the ARC EM/HS, and ARC600/700 architectures.
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* Extend objcopy --compress-debug-sections option to support
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--compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi] for ELF
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targets.
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* Add --update-section option to objcopy.
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||
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* Add --output-separator option to strings.
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Changes in 2.25:
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* Add --data option to strings to only print strings in loadable, initialized
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data sections. Change the default behaviour to be --all, but add a new
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configure time option of --disable-default-strings-all to restore the old
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default behaviour.
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* Add --include-all-whitespace to strings.
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* Add --dump-section option to objcopy.
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* Add support for the Andes NDS32.
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Changes in 2.24:
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* Objcopy now supports wildcard characters in command line options that take
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section names.
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* Add support for Altera Nios II.
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Changes in 2.23:
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* Add support for the VLE extension to the PowerPC architecture.
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* Add support for x64 Windows target of the delayed-load-library.
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* Add support for the Renesas RL78 architecture.
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Changes in 2.22:
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* Add support for displaying the contents of .debug.macro sections.
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* Add --preprocessor-arg option to windres to specify additional options
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passed to preprocessor.
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* Add --dwarf-start and --dwarf-end to readelf and objdump. These are used by
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the new Emacs mode, see dwarf-mode.el.
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* Add support for the Tilera TILEPro and TILE-Gx architectures.
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changes in 2.21:
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* Add --interleave-width option to objcopy to allowing copying a range of
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bytes from the input to the output with the --interleave option.
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* Add support for the TMS320C6000 (TI C6X) processor family.
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* Readelf can now display ARM unwind tables (.ARM.exidx / .ARM.extab) using
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the -u / --unwind option.
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* Add --dyn-syms to readelf to dump dynamic symbol table.
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* A new tool - elfedit - has been added to directly manipulate ELF format
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binaries.
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* Add to dlltool .def file feature of aliasing PE internal symbol name by
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'== <ID>' option.
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* Add a new command line option -a / --addresses to addr2line to display the
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address before function name or source filename.
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* Add a new command line option -p / --pretty-print to addr2line to have
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a more human readable output.
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* The hppa/som targets can now be compiled on any host.
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Changes in 2.20:
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* Add support for delay importing to dlltool. Use the --output-delaylib <file>
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switch to create a delay-import library. The resulting app will load the dll
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as soon as the first function is called. It will link to __delayLoadHelper2()
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from the static delayimp library, which will import LoadLibraryA and
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GetProcAddress from kernel32.
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* Add a new command line option, --insn-width=WIDTH, to objdump to specify
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number of bytes to be displayed on a single line when disassembling
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instructions.
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* Readelf can now display the relocated contents of a section as a sequence
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of bytes via the --relocated-dump=<name|number> command line option.
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||
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* The gprof program has been given a new command line option:
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--external-symbols-table=<filename> which reads in symbols from a specified
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file.
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* The plugin target has been added to bfd. It can load the same shared objects
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used by gold and uses them to provide basic support for new file formats.
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* The verilog memory hex dump file format is now supported as an output format
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for objcopy.
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||
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* Add --file-alignment, --heap, --image-base, --section-alignment,
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--stack and --subsystem command line options to objcopy, which will
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set PE optional header.
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||
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||
* Option --dwarf/-W of objdump is now as flexible as readelf --debug-dump/-w.
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||
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* --as-needed now links in a dynamic library if it satisfies undefined
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||
symbols in regular objects, or in other dynamic libraries. In the
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latter case the library is not linked if it is found in a DT_NEEDED
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entry of one of the libraries already linked.
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||
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* Added --prefix=PREFIX and --prefix-strip=LEVEL switches to objdump to
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add absolute paths for -S.
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||
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* Add new option --use-nul-prefixed-import-tables to dlltool to allow fall-
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back to old import table generation with null element prefix.
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* Added --identify-strict switch to cause --identify <implib> to
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report an error when the import library is associated with
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multiple DLLs.
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* Added --identify <implib> option to dlltool, which determines the
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name of the DLL associated with the specified <implib>.
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* Support for PowerPC booke64 instructions has been removed. The assembler no
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longer accepts -mbooke32 or -mbooke64 and the disassembler no longer accepts
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-Mbooke32 or -Mbooke64. Instead, -mbooke and -Mbooke should be used.
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|
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Changes in 2.19:
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||
|
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* Added -wL switch to dump decoded contents of .debug_line.
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* Added support for "thin" archives which contain pathnames pointing to
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object files rather than the files themselves and which contain a
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||
flattened symbol index for all objects, and archives, which have been
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added to the archive.
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* Added -F switch to objdump to include file offsets in the disassembly.
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* Added -c switch to readelf to allow string dumps of archive symbol index.
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* Support for SSE5 has been added to the i386 port.
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* Added -p switch to readelf to allow string dumps of sections.
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Changes in 2.18:
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* Resolved 37 coding problems in bfd including static array overruns, null
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pointer dereferences and use of a malloc buffer after it has been freed, as
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revealed by static analysis donated by Coverity, Inc. (http://scan.coverity.com).
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|
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* The binutils sources are now released under version 3 of the GNU General
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||
Public License.
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* A new tool "windmc" has been added for some targets. This is a message
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compiler which attempts to be compatible with the MS version.
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* Add codepage support to the windres tool. It now supports many new
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resource types (e.g. MANIFEST, TOOLBAR, etc). The output generation
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for binary files is done now via bfd itself. The endianess problems
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for different hosts are solved. Dumps of .res files can now be
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re-compiled by windres without lossing resources or compilation errors.
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Some problems on dialog resource translations are corrected.
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||
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* Add --extract-symbol command line option to objcopy, which will
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strip everything out of an ordinary object file or executable except
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for its symbol table. Files containing just symbols can be useful
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to some OSes.
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|
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Changes in 2.17:
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||
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* Add "-x NAME" to readelf in addition to "-x NUMBER".
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* Add -i and -t switches to cxxfilt. -i disables the display of implementation
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||
specific extra demangling information (if any) and -t disables the demangling
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of types.
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||
|
||
* Add support for the "@<file>" syntax to the command lines of all tools, so
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that extra switches can be read from <file>.
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||
|
||
* Add "-W/--dwarf" to objdump to display the contents of the DWARF
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debug sections.
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||
|
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* Add "-t/--section-details" to readelf to display section details.
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||
"-N/--full-section-name" is deprecated.
|
||
|
||
* powerpc-linux ld now supports a variant form of PLT and GOT for the security
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||
conscious. This form will automatically be chosen when ld detects that all
|
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code in regular object files was generated by gcc -msecure-plt. The old PLT
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||
and GOT may be forced by a new ld option, --bss-plt.
|
||
|
||
* Add "-i/--inlines" to addr2line to print enclosing scope information
|
||
for inlined function chains, back to first non-inlined function.
|
||
|
||
* Add "-N/--full-section-name" to readelf to display full section name.
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||
|
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* Add "-M entry:<addr>" switch to objdump to specify a function entry address
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when disassembling VAX binaries.
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||
|
||
* Add "--globalize-symbol <name>" and "--globalize-symbols <filename>" switches
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to objcopy to convert local symbols into global symbols.
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||
|
||
* gprof now allows input files to have histogram records for
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||
several memory ranges, provided those ranges are disjoint.
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||
|
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Changes in 2.16:
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||
|
||
* Add "-g/--section-groups" to readelf to display section groups.
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||
|
||
* objcopy recognizes two new options --strip-unneeded-symbol and
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||
--strip-unneeded-symbols, namely for use together with the wildcard
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||
matching the original --strip-symbol/--strip-symbols provided, but
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retaining any symbols matching but needed by relocations.
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||
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||
* readelf can now display address ranges from .debug_range sections. This
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||
happens automatically when a DW_AT_range attribute is encountered. The
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command line switch --debug-dump=Ranges (or -wR) can also be used to display
|
||
the contents of the .debug_range section.
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||
|
||
* nm and objdump now have a switch "--special-syms" to enable the displaying of
|
||
symbols which the target considers to be special. By default these symbols
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||
are no longer displayed. Currently the only special symbols are the Mapping
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||
symbols used by the ARM port to mark transitions between text and data and
|
||
between ARM and THUMB code.
|
||
|
||
* dlltool has a switch "--ext-prefix-alias <prefix>" to generate additional
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||
import and export symbols with <preifx> prepended to them.
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||
|
||
Changes in 2.15:
|
||
|
||
* objcopy for MIPS targets now accepts "-M no-aliases" as an option to the
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disassembler to print the "raw" mips instruction mnemonic instead of some
|
||
pseudo instruction name. I.E. print "daddu" or "or" instead of "move",
|
||
"sll" instead of "nop", etc.
|
||
|
||
* objcopy and strip can now take wildcard patterns in symbol names specified on
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the command line provided that the --wildcard switch is used to enable them.
|
||
|
||
* readelf can now parse archives.
|
||
|
||
* objdump now accepts --debugging-tags to print the debug information in a
|
||
format compatible with ctags tool.
|
||
|
||
* objcopy and strip now accept --only-keep-debug to create a file containing
|
||
those sections that would be stripped out by --strip-debug. The idea is that
|
||
this can be used in conjunction with the --add-gnu-debuglink switch to create
|
||
a two part program distribution - one a stripped executable and the other the
|
||
debugging info.
|
||
|
||
* objcopy now accepts --add-gnu-debuglink=<file> to insert a .gnu_debuglink
|
||
section into a (presumably stripped) executable. This allows the debug
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||
information for the file to be held in a separate file.
|
||
|
||
* BFD marks the sections .comment and .note as 'n' in the BSD/POSIX
|
||
single-character representation. This can be checked by running nm
|
||
with the -a switch.
|
||
|
||
Changes in 2.14:
|
||
|
||
* Added --info switch to objcopy and strip.
|
||
|
||
* Support for Vitesse IQ2000 added by Red Hat.
|
||
|
||
* Added 'S' encoding to strings to allow the display of 8-bit characters.
|
||
|
||
* Added --prefix-symbols=<text>, --prefix-sections=<text> and
|
||
--prefix-alloc-sections=<text> to objcopy.
|
||
|
||
* readelf can handle the extensions to the DWARF2 spec used by the Unified
|
||
Parallel C compiler.
|
||
|
||
* BFD no longer declares a "boolean" type, to avoid clashes with other
|
||
headers that declare the same. Users of BFD should replace boolean,
|
||
false and true, with int, 0 and 1, or define their own boolean type.
|
||
|
||
* Support for IP2K added by Denis Chertykov.
|
||
|
||
Changes in 2.13:
|
||
|
||
* Support for the Fujitsu FRV architecture added by Red Hat. Models for FR400
|
||
and FR500 included.
|
||
|
||
Changes in version 2.12:
|
||
|
||
* Support for Don Knuth's MMIX, by Hans-Peter Nilsson.
|
||
|
||
* size: Add --totals to display summary of sizes (Berkeley format only).
|
||
|
||
* readelf: Add --wide option to not break section header or segment listing
|
||
lines to fit into 80 columns.
|
||
|
||
* strings: Add --encoding to display wide character strings. By Markus Kuhn.
|
||
|
||
* objcopy: Add --rename-section to change section names.
|
||
|
||
* readelf: Support added for DWARF 2.1 extensions. Support added for
|
||
displaying the contents of .debug.macinfo sections.
|
||
|
||
* New command line switches added to objcopy to allow symbols to be kept as
|
||
global symbols, and also to specify files containing lists of such symbols.
|
||
by Honda Hiroki.
|
||
|
||
* Support for OpenRISC by Johan Rydberg.
|
||
|
||
* New command line switch to objcopy --alt-machine-code which creates a binary
|
||
with an alternate machine code if one is defined in the architecture
|
||
description. Only supported for ELF targets. By Alexandre Oliva.
|
||
|
||
* New command line switch to objcopy -B (or --binary-architecture) which sets
|
||
the architecture of the output file to the given argument. This option only
|
||
makes sense, if the input target is binary. Otherwise it is ignored.
|
||
By Stefan Geuken.
|
||
|
||
* Support for PDP-11 by Lars Brinkhoff.
|
||
|
||
Changes in binutils 2.11:
|
||
|
||
* Add support for ARM v5t and v5te architectures and Intel's XScale ARM
|
||
extenstions.
|
||
|
||
* Add --srec-len and --srec-forceS3 command line switch to objcopy.
|
||
By Luciano Gemme.
|
||
|
||
* Support for the MIPS32, by Anders Norlander.
|
||
|
||
* Support for the i860, by Jason Eckhardt.
|
||
|
||
* Support for CRIS (Axis Communications ETRAX series).
|
||
|
||
Changes in binutils 2.10:
|
||
|
||
* Support for 64-bit ELF on HPPA.
|
||
|
||
* New command line switch to objdump --file-start-context which shows the
|
||
entire file contents up to the source line first encountered for a given
|
||
file.
|
||
|
||
* New command line switch to objdump -M (or --disassembler-options) which takes
|
||
a parameter which can then be interpreted on a per-target basis by the
|
||
disassembler. Used by ARM targets to select register name sets, ISA, APCS or
|
||
raw verions.
|
||
|
||
* objdump support for -mi386:intel which causes disassembly to be displayed
|
||
with intel syntax.
|
||
|
||
* New program: readelf. This displays the contents of ELF format files,
|
||
regardless of target machine.
|
||
|
||
* objcopy now takes --change-section-lma, --change-section-vma, and
|
||
--change-section-address options. The old --adjust-section-vma option is
|
||
equivalent to --change-section-address. The other --adjust-* options are now
|
||
renamed to --change-*, although --adjust-* continues to work.
|
||
|
||
* objcopy has a --redefine-sym option that lets you rename symbols.
|
||
|
||
* objcopy now takes a -j/--only-section option to copy only the specified
|
||
sections.
|
||
|
||
* dlltool now supports the IMPORTS command.
|
||
|
||
* dlltool now takes --export-all-symbols, --no-export-all-symbols,
|
||
--exclude-symbols, and --no-default-excludes options.
|
||
|
||
Changes in binutils 2.9:
|
||
|
||
* Added windres program, which can be used to manipulate resources in WIN32
|
||
files as used on Windows 95 and Windows NT.
|
||
|
||
* The objcopy --gap-fill and --pad-to options operate on the LMA rather than
|
||
the VMA of the sections.
|
||
|
||
* Added S modifier to ar to not build a symbol table.
|
||
|
||
Changes in binutils 2.8:
|
||
|
||
* The objdump disassembly format has been changed, and hopefully improved. Use
|
||
the new --prefix-addresses option to get the old format. There are also new
|
||
--disassemble-zeroes and --no-show-raw-insn options which affect disassembler
|
||
output.
|
||
|
||
* Formats may now be specified as configuration triplets. For example,
|
||
objdump -b i386-pc-linux. The triplets are not passed through config.sub,
|
||
so they must be in canonical form.
|
||
|
||
* Added new addr2line program. This uses the debugging information to convert
|
||
an address into a file name and line number within a program.
|
||
|
||
* Added --change-leading-char argument to objcopy.
|
||
|
||
* Added --weaken argument to objcopy.
|
||
|
||
* objdump --dynamic-reloc now works on ELF executables and shared libraries.
|
||
|
||
* Added --adjust-vma option to objdump.
|
||
|
||
* Added -C/--demangle option to objdump.
|
||
|
||
* Added -p/--preserve-dates option to strip and objcopy.
|
||
|
||
Changes in binutils 2.7:
|
||
|
||
* Added --enable-shared and --enable-commonbfdlib options to configure.
|
||
|
||
* Added --debugging argument to objdump and objcopy.
|
||
|
||
* Added --defined-only argument to nm.
|
||
|
||
* Added --remove-leading-char argument to objcopy.
|
||
|
||
* The objdump --line-numbers option is now meaningful with --reloc.
|
||
|
||
* Added --line-numbers option to nm.
|
||
|
||
* Added --endian/-EB/-EL option to objdump.
|
||
|
||
* Added support for Alpha OpenVMS/AXP.
|
||
|
||
Changes in binutils 2.6:
|
||
|
||
* Added -N/--strip-symbol and -K/--keep-symbol arguments to strip and objcopy.
|
||
|
||
* Added several arguments to objcopy to provide some control over how the new
|
||
file is laid out in memory. Also added binary output format to BFD to permit
|
||
generating plain binary files.
|
||
|
||
* Added --start-address and --stop-address options to objdump.
|
||
|
||
* ar and ranlib now work on AIX. The tools are now built by default on AIX.
|
||
|
||
Changes in binutils 2.5:
|
||
|
||
* Changed objdump -dr to dump the relocs interspersed with the assembly
|
||
listing, for a more useful listing of relocatable files.
|
||
|
||
* Changed objdump -d/--disassemble to only disassemble SEC_CODE sections.
|
||
Added -D/--disassemble-all option to disassemble all sections.
|
||
|
||
* Added --size-sort option to nm.
|
||
|
||
* strip and objcopy should now be able to handle dynamically linked ELF
|
||
executables.
|
||
|
||
Changes in binutils 2.4:
|
||
|
||
* Support for HP-PA (by Jeff Law), i386 Mach (by David Mackenzie), RS/6000 and
|
||
PowerPC (except ar and ranlib; by Ian Taylor).
|
||
|
||
* Support for Irix 5.
|
||
|
||
* Programs `strip' and `objcopy' will not attempt to write dynamically linked
|
||
ELF output files, since BFD currently can't create them properly.
|
||
|
||
Changes in binutils 2.3:
|
||
|
||
* A new --stabs argument has been added to objdump to dump stabs sections in
|
||
ELF and COFF files.
|
||
|
||
* A new program, nlmconv, has been added. It can convert object files into
|
||
Novell NetWare Loadable Modules.
|
||
|
||
* The strings program has been added.
|
||
|
||
Changes in binutils 2.2:
|
||
|
||
* The 'copy' program has been renamed to 'objcopy', for consistency with
|
||
'objdump', and because 'copy' might more plausibly be used as a synonym for
|
||
'cp'.
|
||
|
||
* The new stand-alone program c++filt is a filter that converts encoded
|
||
(mangled) C++ assembly-level identifiers to user-level names. (Note: This
|
||
may get moved to the gcc distribution.)
|
||
|
||
* nm -o on an archive now prefixes each line with the archive name, matching
|
||
the output from BSD nm.
|
||
|
||
* ar (and ld) can now read (but not write) BSD4.4-style archives.
|
||
|
||
* New support for H8500, Z8000, and the Hitach SH.
|
||
|
||
* Dis-assembler interface changed to allow sharing with gdb.
|
||
|
||
* There is new Elf code, but it is not yet ready for general use.
|
||
|
||
* There is the beginnings of a test suite.
|
||
|
||
Changes in binutils 2.1:
|
||
|
||
* There is now support for writing ECOFF files, so ld and the other utilities
|
||
should work on Risc/Ultrix and Irix. Please let us know how well this works.
|
||
|
||
* ar now automatically creates a symbol table (a __.SYMDEF member, in the BSD
|
||
version), if there are any object files in the archive. So running ranlib is
|
||
now redundant (unless the non-standard q command is used). This is required
|
||
for Posix.2 conformance.
|
||
|
||
* The archive-reading code now reads both BSD-style and SYSV-style archives
|
||
independently of the selected target format. This is to encourage people to
|
||
switch to SYSV-format, which has a number of advantages.
|
||
|
||
* The strip and copy programs now have options to remove debug-symbols only
|
||
and/or local symbols only. They now also support long options.
|
||
|
||
|
||
Copyright (C) 2012-2016 Free Software Foundation, Inc.
|
||
|
||
Copying and distribution of this file, with or without modification,
|
||
are permitted in any medium without royalty provided the copyright
|
||
notice and this notice are preserved.
|
||
|
||
Local variables:
|
||
fill-column: 79
|
||
End:
|