Commit | Line | Data |
---|---|---|
252b5132 | 1 | -*- text -*- |
1e4cf259 | 2 | |
b12fe839 AM |
3 | * powerpc-linux ld now supports a variant form of PLT and GOT for the security |
4 | conscious. This form will automatically be chosen when ld detects that all | |
5 | code in regular object files was generated by gcc -msecure-plt. The old PLT | |
6 | and GOT may be forced by a new ld option, --bss-plt. | |
7 | ||
0c552dc1 FF |
8 | * Add "-i/--inlines" to addr2line to print enclosing scope information |
9 | for inlined function chains, back to first non-inlined function. | |
10 | ||
81fc812e L |
11 | * Add "-N/--full-section-name" to readelf to display full section name. |
12 | ||
ec72cfe5 NC |
13 | * Add "-M entry:<addr>" switch to objdump to specify a function entry address |
14 | when disassembling VAX binaries. | |
15 | ||
7b4a0685 NC |
16 | * Add "--globalize-symbol <name>" and "--globalize-symbols <filename>" switches |
17 | to objcopy to convert local symbols into global symbols. | |
18 | ||
19 | Changes in 2.16: | |
20 | ||
b12fe839 | 21 | * Add "-g/--section-groups" to readelf to display section groups. |
81fc812e | 22 | |
bcf32829 JB |
23 | * objcopy recognizes two new options --strip-unneeded-symbol and |
24 | --strip-unneeded-symbols, namely for use together with the wildcard | |
25 | matching the original --strip-symbol/--strip-symbols provided, but | |
26 | retaining any symbols matching but needed by relocations. | |
27 | ||
18bd398b NC |
28 | * readelf can now display address ranges from .debug_range sections. This |
29 | happens automatically when a DW_AT_range attribute is encountered. The | |
30 | command line switch --debug-dump=Ranges (or -wR) can also be used to display | |
31 | the contents of the .debug_range section. | |
32 | ||
3c9458e9 NC |
33 | * nm and objdump now have a switch "--special-syms" to enable the displaying of |
34 | symbols which the target considers to be special. By default these symbols | |
35 | are no longer displayed. Currently the only special symbols are the Mapping | |
36 | symbols used by the ARM port to mark transitions between text and data and | |
37 | between ARM and THUMB code. | |
38 | ||
607dea97 NC |
39 | * dlltool has a switch "--ext-prefix-alias <prefix>" to generate additional |
40 | import and export symbols with <preifx> prepended to them. | |
41 | ||
42 | Changes in 2.15: | |
43 | ||
e39893d7 | 44 | * objcopy for MIPS targets now accepts "-M no-aliases" as an option to the |
9d317d34 | 45 | disassembler to print the "raw" mips instruction mnemonic instead of some |
e39893d7 FF |
46 | pseudo instruction name. I.E. print "daddu" or "or" instead of "move", |
47 | "sll" instead of "nop", etc. | |
48 | ||
5fe11841 NC |
49 | * objcopy and strip can now take wildcard patterns in symbol names specified on |
50 | the command line provided that the --wildcard switch is used to enable them. | |
51 | ||
fb52b2f4 NC |
52 | * readelf can now parse archives. |
53 | ||
51cdc6e0 NC |
54 | * objdump now accepts --debugging-tags to print the debug information in a |
55 | format compatible with ctags tool. | |
56 | ||
ed1653a7 NC |
57 | * objcopy and strip now accept --only-keep-debug to create a file containing |
58 | those sections that would be stripped out by --strip-debug. The idea is that | |
59 | this can be used in conjunction with the --add-gnu-debuglink switch to create | |
60 | a two part program distribution - one a stripped executable and the other the | |
61 | debugging info. | |
62 | ||
2593f09a NC |
63 | * objcopy now accepts --add-gnu-debuglink=<file> to insert a .gnu_debuglink |
64 | section into a (presumably stripped) executable. This allows the debug | |
50c2245b | 65 | information for the file to be held in a separate file. |
2593f09a | 66 | |
a3b6428f NC |
67 | * BFD marks the sections .comment and .note as 'n' in the BSD/POSIX |
68 | single-character representation. This can be checked by running nm | |
69 | with the -a switch. | |
70 | ||
43c58ae6 CD |
71 | Changes in 2.14: |
72 | ||
7c29036b NC |
73 | * Added --info switch to objcopy and strip. |
74 | ||
3b36097d SC |
75 | * Support for Vitesse IQ2000 added by Red Hat. |
76 | ||
8745eafa NC |
77 | * Added 'S' encoding to strings to allow the display of 8-bit characters. |
78 | ||
d7fb0dd2 NC |
79 | * Added --prefix-symbols=<text>, --prefix-sections=<text> and |
80 | --prefix-alloc-sections=<text> to objcopy. | |
81 | ||
84ad6ede NC |
82 | * readelf can handle the extensions to the DWARF2 spec used by the Unified |
83 | Parallel C compiler. | |
84 | ||
7d036af2 AM |
85 | * BFD no longer declares a "boolean" type, to avoid clashes with other |
86 | headers that declare the same. Users of BFD should replace boolean, | |
87 | false and true, with int, 0 and 1, or define their own boolean type. | |
88 | ||
1e4cf259 NC |
89 | * Support for IP2K added by Denis Chertykov. |
90 | ||
2cbb2eef NC |
91 | Changes in 2.13: |
92 | ||
93 | * Support for the Fujitsu FRV architecture added by Red Hat. Models for FR400 | |
94 | and FR500 included. | |
252b5132 | 95 | |
9a66911f NC |
96 | Changes in version 2.12: |
97 | ||
49fda6c8 HPN |
98 | * Support for Don Knuth's MMIX, by Hans-Peter Nilsson. |
99 | ||
15c82623 NC |
100 | * size: Add --totals to display summary of sizes (Berkeley format only). |
101 | ||
d974e256 JJ |
102 | * readelf: Add --wide option to not break section header or segment listing |
103 | lines to fit into 80 columns. | |
104 | ||
d132876a NC |
105 | * strings: Add --encoding to display wide character strings. By Markus Kuhn. |
106 | ||
594ef5db NC |
107 | * objcopy: Add --rename-section to change section names. |
108 | ||
e0c60db2 NC |
109 | * readelf: Support added for DWARF 2.1 extensions. Support added for |
110 | displaying the contents of .debug.macinfo sections. | |
111 | ||
16b2b71c NC |
112 | * New command line switches added to objcopy to allow symbols to be kept as |
113 | global symbols, and also to specify files containing lists of such symbols. | |
114 | by Honda Hiroki. | |
115 | ||
87e6d782 NC |
116 | * Support for OpenRISC by Johan Rydberg. |
117 | ||
1ae8b3d2 AO |
118 | * New command line switch to objcopy --alt-machine-code which creates a binary |
119 | with an alternate machine code if one is defined in the architecture | |
120 | description. Only supported for ELF targets. By Alexandre Oliva. | |
121 | ||
43a0748c | 122 | * New command line switch to objcopy -B (or --binary-architecture) which sets |
09ad7db3 | 123 | the architecture of the output file to the given argument. This option only |
43a0748c NC |
124 | makes sense, if the input target is binary. Otherwise it is ignored. |
125 | By Stefan Geuken. | |
126 | ||
e135f41b NC |
127 | * Support for PDP-11 by Lars Brinkhoff. |
128 | ||
09ad7db3 AM |
129 | Changes in binutils 2.11: |
130 | ||
077b8428 NC |
131 | * Add support for ARM v5t and v5te architectures and Intel's XScale ARM |
132 | extenstions. | |
133 | ||
134 | * Add --srec-len and --srec-forceS3 command line switch to objcopy. | |
135 | By Luciano Gemme. | |
7d036af2 | 136 | |
156c2f8b NC |
137 | * Support for the MIPS32, by Anders Norlander. |
138 | ||
22b36938 JE |
139 | * Support for the i860, by Jason Eckhardt. |
140 | ||
5bcac8a4 HPN |
141 | * Support for CRIS (Axis Communications ETRAX series). |
142 | ||
252b5132 RH |
143 | Changes in binutils 2.10: |
144 | ||
09ad7db3 AM |
145 | * Support for 64-bit ELF on HPPA. |
146 | ||
f1563258 TW |
147 | * New command line switch to objdump --file-start-context which shows the |
148 | entire file contents up to the source line first encountered for a given | |
7d036af2 | 149 | file. |
f1563258 | 150 | |
dd92f639 NC |
151 | * New command line switch to objdump -M (or --disassembler-options) which takes |
152 | a parameter which can then be interpreted on a per-target basis by the | |
153 | disassembler. Used by ARM targets to select register name sets, ISA, APCS or | |
154 | raw verions. | |
7d036af2 | 155 | |
c2c40d93 ILT |
156 | * objdump support for -mi386:intel which causes disassembly to be displayed |
157 | with intel syntax. | |
252b5132 RH |
158 | |
159 | * New program: readelf. This displays the contents of ELF format files, | |
160 | regardless of target machine. | |
161 | ||
162 | * objcopy now takes --change-section-lma, --change-section-vma, and | |
163 | --change-section-address options. The old --adjust-section-vma option is | |
164 | equivalent to --change-section-address. The other --adjust-* options are now | |
165 | renamed to --change-*, although --adjust-* continues to work. | |
166 | ||
57938635 AM |
167 | * objcopy has a --redefine-sym option that lets you rename symbols. |
168 | ||
169 | * objcopy now takes a -j/--only-section option to copy only the specified | |
170 | sections. | |
171 | ||
252b5132 RH |
172 | * dlltool now supports the IMPORTS command. |
173 | ||
174 | * dlltool now takes --export-all-symbols, --no-export-all-symbols, | |
175 | --exclude-symbols, and --no-default-excludes options. | |
176 | ||
177 | Changes in binutils 2.9: | |
178 | ||
179 | * Added windres program, which can be used to manipulate resources in WIN32 | |
180 | files as used on Windows 95 and Windows NT. | |
181 | ||
182 | * The objcopy --gap-fill and --pad-to options operate on the LMA rather than | |
183 | the VMA of the sections. | |
184 | ||
185 | * Added S modifier to ar to not build a symbol table. | |
186 | ||
187 | Changes in binutils 2.8: | |
188 | ||
189 | * The objdump disassembly format has been changed, and hopefully improved. Use | |
190 | the new --prefix-addresses option to get the old format. There are also new | |
191 | --disassemble-zeroes and --no-show-raw-insn options which affect disassembler | |
192 | output. | |
193 | ||
194 | * Formats may now be specified as configuration triplets. For example, | |
195 | objdump -b i386-pc-linux. The triplets are not passed through config.sub, | |
196 | so they must be in canonical form. | |
197 | ||
198 | * Added new addr2line program. This uses the debugging information to convert | |
199 | an address into a file name and line number within a program. | |
200 | ||
201 | * Added --change-leading-char argument to objcopy. | |
202 | ||
203 | * Added --weaken argument to objcopy. | |
204 | ||
205 | * objdump --dynamic-reloc now works on ELF executables and shared libraries. | |
206 | ||
207 | * Added --adjust-vma option to objdump. | |
208 | ||
209 | * Added -C/--demangle option to objdump. | |
210 | ||
211 | * Added -p/--preserve-dates option to strip and objcopy. | |
212 | ||
213 | Changes in binutils 2.7: | |
214 | ||
215 | * Added --enable-shared and --enable-commonbfdlib options to configure. | |
216 | ||
217 | * Added --debugging argument to objdump and objcopy. | |
218 | ||
219 | * Added --defined-only argument to nm. | |
220 | ||
221 | * Added --remove-leading-char argument to objcopy. | |
222 | ||
223 | * The objdump --line-numbers option is now meaningful with --reloc. | |
224 | ||
225 | * Added --line-numbers option to nm. | |
226 | ||
227 | * Added --endian/-EB/-EL option to objdump. | |
228 | ||
229 | * Added support for Alpha OpenVMS/AXP. | |
230 | ||
231 | Changes in binutils 2.6: | |
232 | ||
233 | * Added -N/--strip-symbol and -K/--keep-symbol arguments to strip and objcopy. | |
234 | ||
235 | * Added several arguments to objcopy to provide some control over how the new | |
236 | file is laid out in memory. Also added binary output format to BFD to permit | |
237 | generating plain binary files. | |
238 | ||
239 | * Added --start-address and --stop-address options to objdump. | |
240 | ||
241 | * ar and ranlib now work on AIX. The tools are now built by default on AIX. | |
242 | ||
243 | Changes in binutils 2.5: | |
244 | ||
245 | * Changed objdump -dr to dump the relocs interspersed with the assembly | |
1049f94e | 246 | listing, for a more useful listing of relocatable files. |
252b5132 RH |
247 | |
248 | * Changed objdump -d/--disassemble to only disassemble SEC_CODE sections. | |
249 | Added -D/--disassemble-all option to disassemble all sections. | |
250 | ||
251 | * Added --size-sort option to nm. | |
252 | ||
253 | * strip and objcopy should now be able to handle dynamically linked ELF | |
254 | executables. | |
255 | ||
256 | Changes in binutils 2.4: | |
257 | ||
258 | * Support for HP-PA (by Jeff Law), i386 Mach (by David Mackenzie), RS/6000 and | |
259 | PowerPC (except ar and ranlib; by Ian Taylor). | |
260 | ||
261 | * Support for Irix 5. | |
262 | ||
263 | * Programs `strip' and `objcopy' will not attempt to write dynamically linked | |
264 | ELF output files, since BFD currently can't create them properly. | |
265 | ||
266 | Changes in binutils 2.3: | |
267 | ||
268 | * A new --stabs argument has been added to objdump to dump stabs sections in | |
269 | ELF and COFF files. | |
270 | ||
271 | * A new program, nlmconv, has been added. It can convert object files into | |
272 | Novell NetWare Loadable Modules. | |
273 | ||
274 | * The strings program has been added. | |
275 | ||
276 | Changes in binutils 2.2: | |
277 | ||
278 | * The 'copy' program has been renamed to 'objcopy', for consistency with | |
279 | 'objdump', and because 'copy' might more plausibly be used as a synonym for | |
280 | 'cp'. | |
281 | ||
282 | * The new stand-alone program c++filt is a filter that converts encoded | |
283 | (mangled) C++ assembly-level identifiers to user-level names. (Note: This | |
284 | may get moved to the gcc distribution.) | |
285 | ||
286 | * nm -o on an archive now prefixes each line with the archive name, matching | |
287 | the output from BSD nm. | |
288 | ||
289 | * ar (and ld) can now read (but not write) BSD4.4-style archives. | |
290 | ||
291 | * New support for H8500, Z8000, and the Hitach SH. | |
292 | ||
293 | * Dis-assembler interface changed to allow sharing with gdb. | |
294 | ||
295 | * There is new Elf code, but it is not yet ready for general use. | |
296 | ||
297 | * There is the beginnings of a test suite. | |
298 | ||
299 | Changes in binutils 2.1: | |
300 | ||
301 | * There is now support for writing ECOFF files, so ld and the other utilities | |
302 | should work on Risc/Ultrix and Irix. Please let us know how well this works. | |
303 | ||
304 | * ar now automatically creates a symbol table (a __.SYMDEF member, in the BSD | |
305 | version), if there are any object files in the archive. So running ranlib is | |
306 | now redundant (unless the non-standard q command is used). This is required | |
307 | for Posix.2 conformance. | |
308 | ||
309 | * The archive-reading code now reads both BSD-style and SYSV-style archives | |
310 | independently of the selected target format. This is to encourage people to | |
311 | switch to SYSV-format, which has a number of advantages. | |
312 | ||
313 | * The strip and copy programs now have options to remove debug-symbols only | |
314 | and/or local symbols only. They now also support long options. | |
315 | ||
316 | \f | |
317 | Local variables: | |
318 | fill-column: 79 | |
319 | End: |