X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=binutils%2FNEWS;h=b4259019833cd6995117385390112cd03753809c;hb=2425a30e406a0523020b7e70abb864a06a45bb97;hp=9b0298f65eeaa7c397cd872de68b520ae0e56176;hpb=6e33da127bbc28caaebc507ab4ad4b4444e3a9a9;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/NEWS b/binutils/NEWS index 9b0298f65e..b425901983 100644 --- a/binutils/NEWS +++ b/binutils/NEWS @@ -1,5 +1,188 @@ -*- text -*- +* Add support for locating separate debug info files using the build-id + method, where the separate file has a name based upon the build-id of + the original file. + +Changes in 2.28: + +* This version of binutils fixes a problem with PowerPC VLE 16A and 16D + relocations which were functionally swapped, for example, + R_PPC_VLE_HA16A performed like R_PPC_VLE_HA16D while R_PPC_VLE_HA16D + performed like R_PPC_VLE_HA16A. This could have been fixed by + renumbering relocations, which would keep object files created by an + older version of gas compatible with a newer ld. However, that would + require an ABI update, affecting other assemblers and linkers that + create and process the relocations correctly. It is recommended that + all VLE object files be recompiled, but ld can modify the relocations + if --vle-reloc-fixup is passed to ld. If the new ld command line + option is not used, ld will ld warn on finding relocations inconsistent + with the instructions being relocated. + +* The nm program has a new command line option (--with-version-strings) + which will display a symbol's version information, if any, after the + symbol's name. + +* The ARC port of objdump now accepts a -M option to specify the extra + instruction class(es) that should be disassembled. + +* The --remove-section option for objcopy and strip now accepts section + patterns starting with an exclamation point to indicate a non-matching + section. A non-matching section is removed from the set of sections + matched by an earlier --remove-section pattern. + +* The --only-section option for objcopy now accepts section patterns + starting with an exclamation point to indicate a non-matching section. + A non-matching section is removed from the set of sections matched by + an earlier --only-section pattern. + +* New --remove-relocations=SECTIONPATTERN option for objcopy and strip. + This option can be used to remove sections containing relocations. + The SECTIONPATTERN is the section to which the relocations apply, not + the relocation section itself. + +Changes in 2.27: + +* Add a configure option, --enable-64-bit-archive, to force use of a + 64-bit format when creating an archive symbol index. + +* Add --elf-stt-common= option to objcopy for ELF targets to control + whether to convert common symbols to the STT_COMMON type. + +Changes in 2.26: + +* Add option to objcopy to insert new symbols into a file: + --add-symbol =[
:][,] + +* Add support for the ARC EM/HS, and ARC600/700 architectures. + +* Extend objcopy --compress-debug-sections option to support + --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi] for ELF + targets. + +* Add --update-section option to objcopy. + +* Add --output-separator option to strings. + +Changes in 2.25: + +* Add --data option to strings to only print strings in loadable, initialized + data sections. Change the default behaviour to be --all, but add a new + configure time option of --disable-default-strings-all to restore the old + default behaviour. + +* Add --include-all-whitespace to strings. + +* Add --dump-section option to objcopy. + +* Add support for the Andes NDS32. + +Changes in 2.24: + +* Objcopy now supports wildcard characters in command line options that take + section names. + +* Add support for Altera Nios II. + +Changes in 2.23: + +* Add support for the VLE extension to the PowerPC architecture. + +* Add support for x64 Windows target of the delayed-load-library. + +* Add support for the Renesas RL78 architecture. + +Changes in 2.22: + +* Add support for displaying the contents of .debug.macro sections. + +* Add --preprocessor-arg option to windres to specify additional options + passed to preprocessor. + +* Add --dwarf-start and --dwarf-end to readelf and objdump. These are used by + the new Emacs mode, see dwarf-mode.el. + +* Add support for the Tilera TILEPro and TILE-Gx architectures. + +changes in 2.21: + +* Add --interleave-width option to objcopy to allowing copying a range of + bytes from the input to the output with the --interleave option. + +* Add support for the TMS320C6000 (TI C6X) processor family. + +* Readelf can now display ARM unwind tables (.ARM.exidx / .ARM.extab) using + the -u / --unwind option. + +* Add --dyn-syms to readelf to dump dynamic symbol table. + +* A new tool - elfedit - has been added to directly manipulate ELF format + binaries. + +* Add to dlltool .def file feature of aliasing PE internal symbol name by + '== ' option. + +* Add a new command line option -a / --addresses to addr2line to display the + address before function name or source filename. + +* Add a new command line option -p / --pretty-print to addr2line to have + a more human readable output. + +* The hppa/som targets can now be compiled on any host. + +Changes in 2.20: + +* Add support for delay importing to dlltool. Use the --output-delaylib + switch to create a delay-import library. The resulting app will load the dll + as soon as the first function is called. It will link to __delayLoadHelper2() + from the static delayimp library, which will import LoadLibraryA and + GetProcAddress from kernel32. + +* Add a new command line option, --insn-width=WIDTH, to objdump to specify + number of bytes to be displayed on a single line when disassembling + instructions. + +* Readelf can now display the relocated contents of a section as a sequence + of bytes via the --relocated-dump= command line option. + +* The gprof program has been given a new command line option: + --external-symbols-table= which reads in symbols from a specified + file. + +* The plugin target has been added to bfd. It can load the same shared objects + used by gold and uses them to provide basic support for new file formats. + +* The verilog memory hex dump file format is now supported as an output format + for objcopy. + +* Add --file-alignment, --heap, --image-base, --section-alignment, + --stack and --subsystem command line options to objcopy, which will + set PE optional header. + +* Option --dwarf/-W of objdump is now as flexible as readelf --debug-dump/-w. + +* --as-needed now links in a dynamic library if it satisfies undefined + symbols in regular objects, or in other dynamic libraries. In the + latter case the library is not linked if it is found in a DT_NEEDED + entry of one of the libraries already linked. + +* Added --prefix=PREFIX and --prefix-strip=LEVEL switches to objdump to + add absolute paths for -S. + +* Add new option --use-nul-prefixed-import-tables to dlltool to allow fall- + back to old import table generation with null element prefix. + +* Added --identify-strict switch to cause --identify to + report an error when the import library is associated with + multiple DLLs. + +* Added --identify option to dlltool, which determines the + name of the DLL associated with the specified . + +* Support for PowerPC booke64 instructions has been removed. The assembler no + longer accepts -mbooke32 or -mbooke64 and the disassembler no longer accepts + -Mbooke32 or -Mbooke64. Instead, -mbooke and -Mbooke should be used. + Changes in 2.19: * Added -wL switch to dump decoded contents of .debug_line. @@ -8,7 +191,7 @@ Changes in 2.19: object files rather than the files themselves and which contain a flattened symbol index for all objects, and archives, which have been added to the archive. - + * Added -F switch to objdump to include file offsets in the disassembly. * Added -c switch to readelf to allow string dumps of archive symbol index. @@ -73,9 +256,9 @@ Changes in 2.17: * Add "--globalize-symbol " and "--globalize-symbols " switches to objcopy to convert local symbols into global symbols. - + * gprof now allows input files to have histogram records for - several memory ranges, provided those ranges are disjoint. + several memory ranges, provided those ranges are disjoint. Changes in 2.16: @@ -124,7 +307,7 @@ Changes in 2.15: * objcopy now accepts --add-gnu-debuglink= to insert a .gnu_debuglink section into a (presumably stripped) executable. This allows the debug 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. @@ -375,6 +558,12 @@ Changes in binutils 2.1: and/or local symbols only. They now also support long options. +Copyright (C) 2012-2017 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: