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Cary Coutant b8cf50755b Fix incorrect handling of STT_COMMON symbols in shared libraries.
The gABI allows STT_COMMON symbols to appear in executables and shared
objects, so that the dynamic loader can resolve commons across modules.
When reading a shared object, however, an STT_COMMON symbol should be
treated as a regular definition at link time.

In a relocatable object, the gABI requires that any STT_COMMON symbols
must also be defined in the special SHN_COMMON section (which we extend
to include target-specific small and large common sections). Thus,
there is no need for gold to treat STT_COMMON symbols as common unless
the st_shndx field is also set to a common section.

gold/
	PR gold/18288
	* resolve.cc (symbol_to_bits): Remove type parameter; adjust all
	callers. Don't use STT_COMMON to check for common symbols.
	(Symbol_table::resolve): Warn if relocatable object has STT_COMMON
	symbol that's not in a common section.
	* symtab.h (Symbol::is_common): Don't use STT_COMMON to check for
	common symbols.
2015-06-07 14:03:52 -07:00
bfd Automatic date update in version.in 2015-06-07 00:00:07 +00:00
binutils Improves the detection of partial .debug_line sections. 2015-06-05 16:58:35 +01:00
config
cpu
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gas Add hwsync extended mnemonic. 2015-06-04 20:27:03 -05:00
gdb Move vgdb special case into remote_filesystem_is_local 2015-06-05 16:08:05 +01:00
gold Fix incorrect handling of STT_COMMON symbols in shared libraries. 2015-06-07 14:03:52 -07:00
gprof
include [AArch64] Add support for ARMv8.1 command line option 2015-06-04 11:14:07 +01:00
intl
ld Fixes a typo in the list of targets that should not run the compressed1d test. 2015-06-05 16:48:01 +01:00
libdecnumber
libiberty
opcodes Add hwsync extended mnemonic. 2015-06-04 20:27:03 -05:00
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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.