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Matthieu Longo fe4a952931 ld: clarify comments on /DISCARD/ output section behavior
The previous comments made it difficult to understand how the /DISCARD/
output section interacts with non-contiguous regions.

In summary, the general rule is that the first (top-most) clause takes
precedence over subsequent ones:
- If /DISCARD/ appears first, the section is dropped. There is no need
  to warn about potential behavior changes with non-contiguous regions
  when the section is already discarded.
- If /DISCARD/ follows clauses that assign the input section to an output
  section, /DISCARD/ is ignored. If the input section can't be assigned
  to the output section for a later reason, an error will be raised.
  Otherwise the input section will be assigned as intended to an output
  section specified by one of the matching clauses previous to /DISCARD/.
2026-03-06 10:33:21 +00:00
bfd explicitly state code assumptions on output section in AArch64 ld handlers 2026-03-06 10:33:21 +00:00
binutils PR 33743 readelf abort during RELR relocation handling 2026-02-27 20:49:12 +10:30
config tidy m4 plugin config support 2025-11-03 10:59:50 +10:30
contrib [contrib] Accept _("") and operator() in check_GNU_style_lib.py 2025-11-20 10:46:54 +01:00
cpu Fix even more -Wdiscarded-qualifers issues 2026-02-25 06:48:22 -08:00
elfcpp Update year range in copyright notice of binutils files 2026-01-01 23:22:14 +10:30
etc Update year range in copyright notice of binutils files 2026-01-01 23:22:14 +10:30
gas PowerPC: Fix dmxxshake128pad test case for big-endian targets 2026-03-04 23:07:53 -05:00
gdb [pre-commit] Bump codespell to 2.4.2 2026-03-06 08:43:42 +01:00
gdbserver gdbserver: require_running_or_break for the 'z' and 'vCont' packets 2026-03-05 16:05:28 +01:00
gdbsupport Allow upcasts in gdb::ref_ptr 2026-03-04 10:09:33 -07:00
gnulib gnulib: re-generate Makefile.in 2026-01-06 15:14:50 -05:00
gold [gold] Note gold and dwp deprecation in NEWS 2026-02-05 12:11:34 +01:00
gprof gprof: fix testsuite with older glibc 2026-02-13 10:19:39 +01:00
gprofng update gprofng doc/version.texi 2026-01-30 08:15:26 +10:30
include libctf: remove CTF_F_ARRNELEMS flag 2026-02-27 15:06:41 +00:00
ld ld: clarify comments on /DISCARD/ output section behavior 2026-03-06 10:33:21 +00:00
libbacktrace tidy m4 plugin config support 2025-11-03 10:59:50 +10:30
libctf libctf: remove CTF_F_ARRNELEMS flag 2026-02-27 15:06:41 +00:00
libdecnumber regen config 2023-08-12 10:27:57 +09:30
libiberty libiberty: sync with gcc 2026-02-05 17:24:38 +00:00
libsframe Free sframe encoder context 2026-02-11 15:31:33 +10:30
opcodes PowerPC: Support for SHA2 and SHA3 Compute Instructions (RFC02654) 2026-03-04 04:00:42 -05:00
readline readline/tcap.h: Update definitions for C23 2025-05-02 12:00:05 -06:00
sim sim: fix a few -Wdiscarded-qualifiers errors 2026-02-26 13:13:26 -05:00
texinfo
zlib tidy m4 plugin config support 2025-11-03 10:59:50 +10:30
.clang-format Add .clang-format 2026-02-11 07:53:01 -07:00
.cvsignore
.editorconfig toplevel: unify the GCC and GDB/binutils .editorconfig files 2025-10-01 16:20:29 +01:00
.gitattributes binutils-gdb/git: Handle *.ac and *.m4 files in .gitattributes 2025-12-18 10:00:54 +01:00
.gitignore Add .clang-format 2026-02-11 07:53:01 -07:00
.pre-commit-config.yaml [pre-commit] Bump codespell to 2.4.2 2026-03-06 08:43:42 +01:00
ar-lib Bump to autoconf 2.69 and automake 1.15.1 2018-06-19 16:55:06 -04:00
ChangeLog Import the following commits from the master config sources: a2287c3041a3f2a204eb942e09c015eab00dc7dd 973e3e6af23b73a4f1b8d95680454cae22593bf8 3a71dc102953608d4592ec401b519837c28a672a f91a544533876c70f43b9fd51064b2bcf3fa7382 484648c73f3843b256dd011bd415e81594300a0a 7f4149527babe92cb5da1032734f5cb90cefdac5 9f6e0fe8ce04628bbd4a455118ff3f8309a1aef9 2026-01-08 11:20:38 +00:00
compile Update from upstream Automake 2014-11-16 13:43:48 +01:00
config-ml.in MSP430: Add -fno-exceptions multilib 2023-08-12 10:24:26 +09:30
config.guess Import the following commits from the master config sources: a2287c3041a3f2a204eb942e09c015eab00dc7dd 973e3e6af23b73a4f1b8d95680454cae22593bf8 3a71dc102953608d4592ec401b519837c28a672a f91a544533876c70f43b9fd51064b2bcf3fa7382 484648c73f3843b256dd011bd415e81594300a0a 7f4149527babe92cb5da1032734f5cb90cefdac5 9f6e0fe8ce04628bbd4a455118ff3f8309a1aef9 2026-01-08 11:20:38 +00:00
config.rpath
config.sub Import the following commits from the master config sources: a2287c3041a3f2a204eb942e09c015eab00dc7dd 973e3e6af23b73a4f1b8d95680454cae22593bf8 3a71dc102953608d4592ec401b519837c28a672a f91a544533876c70f43b9fd51064b2bcf3fa7382 484648c73f3843b256dd011bd415e81594300a0a 7f4149527babe92cb5da1032734f5cb90cefdac5 9f6e0fe8ce04628bbd4a455118ff3f8309a1aef9 2026-01-08 11:20:38 +00:00
configure AMDGCN: Disable subdirectory configuration for unsupported GAS and LD 2026-02-18 17:32:32 +00:00
configure.ac AMDGCN: Disable subdirectory configuration for unsupported GAS and LD 2026-02-18 17:32:32 +00:00
COPYING
COPYING.LIB
COPYING.LIBGLOSS Update the address of the FSF in the copyright notice of files which were using the old address. 2017-12-14 12:48:55 +00:00
COPYING.NEWLIB
COPYING3
COPYING3.LIB
depcomp Update from upstream Automake 2014-11-16 13:43:48 +01:00
djunpack.bat
install-sh Update from upstream Automake 2014-11-16 13:43:48 +01:00
libtool.m4 Binutils/GCC: Add clang LTO support to AR, NM and RANLIB 2025-09-25 12:30:13 +08:00
ltgcc.m4
ltmain.sh ltmain.sh: allow more flags at link-time 2024-09-25 19:06:10 +01:00
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS Fix compiling bfd/vms-lib.c for a 32-bit host. 2024-03-18 10:26:16 +00:00
Makefile.def Sync top-level with GCC 2025-11-03 09:53:04 +00:00
Makefile.in Sync toplevel files from gcc 2025-10-02 07:42:18 +08:00
Makefile.tpl Sync toplevel files from gcc 2025-10-02 07:42:18 +08:00
makefile.vms
missing Update from upstream Automake 2014-11-16 13:43:48 +01:00
mkdep
mkinstalldirs Update from upstream Automake 2014-11-16 13:43:48 +01:00
move-if-change Update `move-if-change' from gnulib 2014-11-16 17:04:02 +01:00
multilib.am Merge autoconf / automake update changes from GCC. 2018-10-31 17:10:56 +00:00
README README: don't talk about libg++ 2025-09-07 04:06:01 +01:00
README-maintainer-mode Note that at least dejagnu version 1.5.3 is required in order to be ale to run the testsuites. 2022-10-04 10:54:19 +01:00
SECURITY.txt Add a SECURITY.txt file describing the GNU Binutils' project's stance on security related bugs. 2023-04-20 16:52:11 +01:00
setup.com
src-release.sh Rename 'binutils' to 'binutils_with_gold'. Rename 'bin_no_gold' to 'binutils'. Add 'gold' 2025-02-04 11:50:02 +00:00
symlink-tree
test-driver Bump to autoconf 2.69 and automake 1.15.1 2018-06-19 16:55:06 -04:00
ylwrap Update from upstream Automake 2014-11-16 13:43:48 +01:00

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README, and so on. That'll give you
info about this package -- supported targets, how to use it, how to report
bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.