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commit 994b25132814f4c2be93ce53a616a74139c4cf3c Author: H.J. Lu <hjl.tools@gmail.com> Date: Sun Jan 17 20:01:16 2021 -0800 ld/elf: Ignore section symbols when matching linkonce with comdat ignored section symbols when comparing symbols in 2 sections. Since all references to debugging sections are done with section symbols, symbols in debugging sections are ignored and we fail to match symbols in comdat debugging sections. Also .gnu.debuglto_.debug_* sections aren't treated as debugging sections. 1. Treate .gnu.debuglto_.debug_ section as debugging section unless it is marked with SHF_EXCLUDE. 2. Revert commit 994b2513281 in elf_create_symbuf. 3. Ignore section symbols only when matching non-debugging sections or linkonce section with comdat section. bfd/ PR ld/27590 * elf.c (_bfd_elf_make_section_from_shdr): Treate .gnu.debuglto_.debug_ section as debugging section unless it is marked with SHF_EXCLUDE. * elflink.c (elf_create_symbuf): Revert commit 994b2513281. (bfd_elf_match_symbols_in_sections): Ignore section symbols when matching non-debugging sections or linkonce section with comdat section. ld/ PR ld/27590 * testsuite/ld-elf/pr27590.s: New file. * testsuite/ld-elf/pr27590a.d: Likewise. * testsuite/ld-elf/pr27590b.d: Likewise. * testsuite/ld-i386/i386.exp: Also run ld/27193 test with --reduce-memory-overheads.
Fix section dumping so that warnings are not issued for missed sections in separate debuginfo files.
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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; if with a libg++ release, see libg++/README, etc. 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.
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