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The reason behind this patch was noticing that generic ELF targets fail to remove "bar" in the recently committed ld-elf/undefweak-1 test. (Despite that, those targets pass the test due to it being too strict when matching symbols. "bar" gets turned into a local weak defined absolute symbol.) swap_out_syms currently drops local section syms that are defined in discarded sections. Extend that to also drop other symbols in discarded sections too, even global symbols. The linker goes to quite a lot of effort to ensure globals in discarded section take a definition from the kept linkonce or comdat group section. So the global sym change should only affect cases where something is quite wrong about the set of linkonce or comdat group sections. However that change to elf_map_symbols meant we dropped _DYNAMIC_LINK / _DYNAMIC_LINKING for mips, a global absolute symbol given STT_SECTION type for some reason. That problem is fixed by reverting the pr14493 change which is no longer needed due to a) BSF_SECTION_SYM_USED on x86, and b) fixing objcopy to use copy_private_symbol_data. bfd/ PR 14493 * elf.c (ignore_sym): Rename from ignore_section_sym. Return true for any symbol without a section or in a discarded section. Revert pr14493 change. (elf_map_symbols): Tidy. Use ignore_sym on all symbols. (swap_out_syms): Tidy. ld/ * testsuite/ld-elf/undefweak-1.rd: Match any "bar".
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.