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[deliverable/binutils-gdb.git] / binutils / NEWS
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3* Add support for ARM v5t and v5te architectures and Intel's XScale ARM
4 extenstions.
5
6* Add --srec-len and --srec-forceS3 command line switch to objcopy.
7 By Luciano Gemme.
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9* Support for the MIPS32, by Anders Norlander.
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11* Support for the i860, by Jason Eckhardt.
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13* Support for CRIS (Axis Communications ETRAX series).
14
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15Changes in binutils 2.10:
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17* New command line switch to objdump --file-start-context which shows the
18 entire file contents up to the source line first encountered for a given
19 file.
20
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21* New command line switch to objdump -M (or --disassembler-options) which takes
22 a parameter which can then be interpreted on a per-target basis by the
23 disassembler. Used by ARM targets to select register name sets, ISA, APCS or
24 raw verions.
25
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26* objdump support for -mi386:intel which causes disassembly to be displayed
27 with intel syntax.
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28
29* New program: readelf. This displays the contents of ELF format files,
30 regardless of target machine.
31
32* objcopy now takes --change-section-lma, --change-section-vma, and
33 --change-section-address options. The old --adjust-section-vma option is
34 equivalent to --change-section-address. The other --adjust-* options are now
35 renamed to --change-*, although --adjust-* continues to work.
36
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37* objcopy has a --redefine-sym option that lets you rename symbols.
38
39* objcopy now takes a -j/--only-section option to copy only the specified
40 sections.
41
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42* dlltool now supports the IMPORTS command.
43
44* dlltool now takes --export-all-symbols, --no-export-all-symbols,
45 --exclude-symbols, and --no-default-excludes options.
46
47Changes in binutils 2.9:
48
49* Added windres program, which can be used to manipulate resources in WIN32
50 files as used on Windows 95 and Windows NT.
51
52* The objcopy --gap-fill and --pad-to options operate on the LMA rather than
53 the VMA of the sections.
54
55* Added S modifier to ar to not build a symbol table.
56
57Changes in binutils 2.8:
58
59* The objdump disassembly format has been changed, and hopefully improved. Use
60 the new --prefix-addresses option to get the old format. There are also new
61 --disassemble-zeroes and --no-show-raw-insn options which affect disassembler
62 output.
63
64* Formats may now be specified as configuration triplets. For example,
65 objdump -b i386-pc-linux. The triplets are not passed through config.sub,
66 so they must be in canonical form.
67
68* Added new addr2line program. This uses the debugging information to convert
69 an address into a file name and line number within a program.
70
71* Added --change-leading-char argument to objcopy.
72
73* Added --weaken argument to objcopy.
74
75* objdump --dynamic-reloc now works on ELF executables and shared libraries.
76
77* Added --adjust-vma option to objdump.
78
79* Added -C/--demangle option to objdump.
80
81* Added -p/--preserve-dates option to strip and objcopy.
82
83Changes in binutils 2.7:
84
85* Added --enable-shared and --enable-commonbfdlib options to configure.
86
87* Added --debugging argument to objdump and objcopy.
88
89* Added --defined-only argument to nm.
90
91* Added --remove-leading-char argument to objcopy.
92
93* The objdump --line-numbers option is now meaningful with --reloc.
94
95* Added --line-numbers option to nm.
96
97* Added --endian/-EB/-EL option to objdump.
98
99* Added support for Alpha OpenVMS/AXP.
100
101Changes in binutils 2.6:
102
103* Added -N/--strip-symbol and -K/--keep-symbol arguments to strip and objcopy.
104
105* Added several arguments to objcopy to provide some control over how the new
106 file is laid out in memory. Also added binary output format to BFD to permit
107 generating plain binary files.
108
109* Added --start-address and --stop-address options to objdump.
110
111* ar and ranlib now work on AIX. The tools are now built by default on AIX.
112
113Changes in binutils 2.5:
114
115* Changed objdump -dr to dump the relocs interspersed with the assembly
116 listing, for a more useful listing of relocateable files.
117
118* Changed objdump -d/--disassemble to only disassemble SEC_CODE sections.
119 Added -D/--disassemble-all option to disassemble all sections.
120
121* Added --size-sort option to nm.
122
123* strip and objcopy should now be able to handle dynamically linked ELF
124 executables.
125
126Changes in binutils 2.4:
127
128* Support for HP-PA (by Jeff Law), i386 Mach (by David Mackenzie), RS/6000 and
129 PowerPC (except ar and ranlib; by Ian Taylor).
130
131* Support for Irix 5.
132
133* Programs `strip' and `objcopy' will not attempt to write dynamically linked
134 ELF output files, since BFD currently can't create them properly.
135
136Changes in binutils 2.3:
137
138* A new --stabs argument has been added to objdump to dump stabs sections in
139 ELF and COFF files.
140
141* A new program, nlmconv, has been added. It can convert object files into
142 Novell NetWare Loadable Modules.
143
144* The strings program has been added.
145
146Changes in binutils 2.2:
147
148* The 'copy' program has been renamed to 'objcopy', for consistency with
149 'objdump', and because 'copy' might more plausibly be used as a synonym for
150 'cp'.
151
152* The new stand-alone program c++filt is a filter that converts encoded
153 (mangled) C++ assembly-level identifiers to user-level names. (Note: This
154 may get moved to the gcc distribution.)
155
156* nm -o on an archive now prefixes each line with the archive name, matching
157 the output from BSD nm.
158
159* ar (and ld) can now read (but not write) BSD4.4-style archives.
160
161* New support for H8500, Z8000, and the Hitach SH.
162
163* Dis-assembler interface changed to allow sharing with gdb.
164
165* There is new Elf code, but it is not yet ready for general use.
166
167* There is the beginnings of a test suite.
168
169Changes in binutils 2.1:
170
171* There is now support for writing ECOFF files, so ld and the other utilities
172 should work on Risc/Ultrix and Irix. Please let us know how well this works.
173
174* ar now automatically creates a symbol table (a __.SYMDEF member, in the BSD
175 version), if there are any object files in the archive. So running ranlib is
176 now redundant (unless the non-standard q command is used). This is required
177 for Posix.2 conformance.
178
179* The archive-reading code now reads both BSD-style and SYSV-style archives
180 independently of the selected target format. This is to encourage people to
181 switch to SYSV-format, which has a number of advantages.
182
183* The strip and copy programs now have options to remove debug-symbols only
184 and/or local symbols only. They now also support long options.
185
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