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Cary Coutant 19ef3f4d2e Fix overflow checking for 32-bit pc-relative relocations on x32.
The problem here is that x32 is really using 64-bit addressing,
while pretending to be 32-bit. Even though the object file format
is 32-bit, we need to do the overflow checking with 64-bit
arithmetic (because that's what the hardware will be using).
This patch overrides the pcrela32_check functions in reloc.h
with target-specific versions that do 64-bit checking.

I've also updated the test case to use -Tdata instead of adding
a huge .space directive, to reduce the size of the .o files.

gold/
	PR gold/19567
	* reloc.h (Relocate_functions::Overflow_check): Add comments.
	* x86_64.cc (X86_64_relocate_functions): New class.
	(Target_x86_64::Relocate::relocate): Use the new class.
	* testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
	(x32_overflow_pc32): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/x32_overflow_pc32.sh: New script.
	* testsuite/x86_64_overflow_pc32.s: Remove .space directive.
2016-02-06 14:47:05 -08:00
bfd Automatic date update in version.in 2016-02-06 00:00:08 +00:00
binutils Change the default architecture value for ARC bfds so that they have the lowest possible value, and hence can be merged with other ARC binaries wihtout changing their architecture value. 2016-02-05 09:58:01 +00:00
config
cpu epiphany/disassembler: Improve alignment of output. 2016-02-02 11:09:17 +00:00
elfcpp
etc
gas Remove support for creating ARM NOREAD sections. 2016-02-04 11:57:57 +00:00
gdb [testsuite] Remove BASEDIR 2016-02-04 15:46:37 +00:00
gold Fix overflow checking for 32-bit pc-relative relocations on x32. 2016-02-06 14:47:05 -08:00
gprof
include Fix the encoding of the MSP430's RRUX instruction. 2016-02-04 09:55:10 +00:00
intl
ld Remove support for creating ARM NOREAD sections. 2016-02-04 11:57:57 +00:00
libdecnumber
libiberty Sync libiberty with GCC. 2016-01-28 21:44:42 +01:00
opcodes Fix the encoding of the MSP430's RRUX instruction. 2016-02-04 09:55:10 +00:00
readline
sim sim: mips: fix prog_bfd usage 2016-02-05 20:27:25 -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.