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Alan Modra 691d2e9af2 PowerPC PLT stub alignment fixes
Asking for ppc32 plt call stubs to be aligned at 32 byte boundaries
didn't quite work.  For ld.bfd they were spaced 32 bytes apart, but
only started on a 16 byte boundary.  ld.gold also didn't get it right.

Finding that bug made me check over the ppc64 plt stub alignment,
where I found that negative values for alignment (meaning align to
minimize boundary crossing) were not accepted.  Since no one has
complained about that, I guess I could have removed the feature from
ld.bfd documentation, but I've opted instead to correct the code.

I've also added an optional alignment paramenter for ppc32
--plt-align, for some consistency with gold and ppc64 ld.bfd.

bfd/
	* elf32-ppc.c (ppc_elf_create_glink): Correct alignment of .glink.
	* elf64-ppc.c (ppc64_elf_size_stubs): Handle negative plt_stub_align.
	(ppc64_elf_build_stubs): Likewise.
gold/
	* powerpc.cc (param_plt_align): New function supplying default
	--plt-align values.  Use it..
	(Stub_table::plt_call_align): ..here, and..
	(Output_data_glink::global_entry_align): ..here.
	(Stub_table::stub_align): Correct 32-bit minimum alignment.
ld/
	* emultempl/ppc32elf.em: Support optional --plt-align arg.
	* emultempl/ppc64elf.em: Support negative --plt-align arg.
2018-01-18 22:25:21 +10:30
bfd PowerPC PLT stub alignment fixes 2018-01-18 22:25:21 +10:30
binutils Update Bulgarian translation of the binutils sub-directory 2018-01-18 09:38:59 +00:00
config
cpu Add note about 2.30 branch creation to changelogs 2018-01-13 13:26:38 +00:00
elfcpp Add note about 2.30 branch creation to changelogs 2018-01-13 13:26:38 +00:00
etc
gas RISC-V: Fix bug in prior addi/c.nop patch. 2018-01-17 14:04:16 -08:00
gdb Fix warning on gdb/compile/compile.c (C++-ify "triplet_rx") 2018-01-17 18:05:42 -05:00
gold PowerPC PLT stub alignment fixes 2018-01-18 22:25:21 +10:30
gprof Update pot files 2018-01-13 13:56:48 +00:00
include Add note about 2.30 branch creation to changelogs 2018-01-13 13:26:38 +00:00
intl
ld PowerPC PLT stub alignment fixes 2018-01-18 22:25:21 +10:30
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opcodes RISC-V: Fix bug in prior addi/c.nop patch. 2018-01-17 14:04:16 -08:00
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ChangeLog Update notes on how to make a release 2018-01-13 14:29:27 +00:00
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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,
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If you have more than one compiler on your system, it is often best to
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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.