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H.J. Lu 851b6fa137 x86: Add elf_x86_backend_data
Add plt0_pad_byte and target_os fields to elf_x86_link_hash_table.
Replace elf_i386_backend_data and elf_x86_64_backend_data with
elf_x86_backend_data.

	* elf32-i386.c (elf_i386_backend_data): Removed.
	(get_elf_i386_backend_data): Likewise.
	(elf_i386_arch_bed): Replace elf_i386_backend_data with
	elf_x86_backend_data.
	(elf_i386_get_synthetic_symtab): Likewise.
	(elf_i386_nacl_arch_bed): Likewise.
	(elf_i386_vxworks_arch_bed): Likewise.
	(elf_i386_relocate_section): Check target_os instead of
	is_vxworks.
	(elf_i386_finish_dynamic_symbol): Likewise.
	(elf_i386_finish_dynamic_sections): Use htab->plt0_pad_byte.
	Check target_os instead of is_vxworks.
	(elf_i386_link_setup_gnu_properties): Remove normal_target and
	is_vxworks.  Initialize plt0_pad_byte.
	* elf64-x86-64.c (elf_x86_64_backend_data); Removed.
	(get_elf_x86_64_arch_data): Likewise.
	(get_elf_x86_64_backend_data): Likewise.
	(elf_x86_64_arch_bed): Replace elf_x86_64_backend_data with
	elf_x86_backend_data.
	(elf_x86_64_get_synthetic_symtab): Likewise.
	(elf_x86_64_nacl_arch_bed): Likewise.
	(elf_x86_64_link_setup_gnu_properties): Remove is_vxworks and
	normal_target.  Initialize plt0_pad_byte.
	* elfxx-x86.c (elf_x86_allocate_dynrelocs): Check target_os
	instead of is_vxworks.
	(_bfd_x86_elf_size_dynamic_sections): Likewise.
	(_bfd_x86_elf_finish_dynamic_sections): Likewise.
	(_bfd_x86_elf_adjust_dynamic_symbol): Likewise.
	(_bfd_x86_elf_link_hash_table_create): Initialize target_os.
	(_bfd_x86_elf_link_setup_gnu_properties): Remove is_vxworks.
	Update normal_target.  Set up plt0_pad_byte.  Check target_os
	instead of is_vxworks.
	* elfxx-x86.h (elf_x86_target_os): New.
	(elf_x86_backend_data): Likewise.
	(get_elf_x86_backend_data): Likewise.
	(elf_x86_link_hash_table): Remove is_vxworks.  Add plt0_pad_byte
	and target_os.
	(elf_x86_init_table): Remove normal_target and is_vxworks.  Add
	plt0_pad_byte.
2017-10-14 11:32:52 -07:00
bfd x86: Add elf_x86_backend_data 2017-10-14 11:32:52 -07:00
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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.