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Sriraman Tallam 6d03d481a0 2009-01-20 Sriraman Tallam <tmsriram@google.com>
* Makefile.am (CCFILES): Add gc.cc.
	(HFILES): Add gc.h.
	* Makefile.in: Regenerate.
	* gold.cc (Gc_runner): New class.
	(queue_initial_tasks): Call garbage collection related tasks
	when corresponding options are invoked.
	(queue_middle_gc_tasks): New function.
	(queue_middle_tasks): Reorder tasks to allow relocs to be read and
	processed early before laying out sections during garbage collection.
	* gold.h (queue_middle_gc_tasks): New function.
	(is_prefix_of): Move from "layout.cc".
	* i386.cc (Target_i386::gc_process_relocs): New function.
	* layout.cc (is_prefix_of): Remove. Move to "gold.h"
	* main.cc (main): Create object of class "Garbage_collection".
	* object.cc (Relobj::copy_symbols_data): New function.
	(Relobj::is_section_name_included): New function.
	(Sized_relobj::do_layout): Allow this function to be called twice
	during garbage collection and defer layout of section during the
	first call.
	* object.h (Relobj::get_symbols_data): New function.
	(Relobj::is_section_name_included): New function.
	(Relobj::copy_symbols_data): New function.
	(Relobj::set_symbols_data): New function.
	(Relobj::get_relocs_data): New function.
	(Relobj::set_relocs_data): New function.
	(Relobj::is_output_section_offset_invalid): New pure virtual function.
	(Relobj::gc_process_relocs): New function.
	(Relobj::do_gc_process_relocs): New pure virtual function.
	(Relobj::sd_): New data member.
	(Sized_relobj::is_output_section_offset_invalid): New function.
	(Sized_relobj::do_gc_process_relocs): New function.
	* options.h (General_options::gc_sections): Modify to not be a no-op.
	(General_options::print_gc_sections): New option.
	* plugin.cc (Plugin_finish::run): Remove function call to
	Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
	* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
	* reloc.cc (Read_relocs::run): Add task to process relocs and
	determine unreferenced sections when doing garbage collection.
	(Gc_process_relocs): New class.
	(Sized_relobj::do_gc_process_relocs): New function.
	(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
	sections that are garbage collected.
	* reloc.h (Gc_process_relocs): New class.
	* sparc.cc (Target_sparc::gc_process_relocs): New function.
	* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
	symbols whose corresponding sections are garbage collected.
	(Symbol_table::Symbol_table): Add new parameter for the garbage
	collection object.
	(Symbol_table::gc_mark_undef_symbols): New function.
	(Symbol_table::gc_mark_symbol_for_shlib): New function.
	(Symbol_table::gc_mark_dyn_syms): New function.
	(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
	as garbage.
	(Symbol_table::add_from_object): Likewise.
	(Symbol_table::add_from_relobj): When building shared objects, do not
	treat externally visible symbols as garbage.
	(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
	table information for static and relocatable links.
	* symtab.h (Symbol_table::set_gc): New function.
	(Symbol_table::gc): New function.
	(Symbol_table::gc_mark_undef_symbols): New function.
	(Symbol_table::gc_mark_symbol_for_shlib): New function.
	(Symbol_table::gc_mark_dyn_syms): New function.
	(Symbol_table::gc_): New data member.
	* target.h (Sized_target::gc_process_relocs): New pure virtual
	function.
	* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
	* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2009-01-28 02:25:33 +00:00
bfd daily update 2009-01-28 00:00:04 +00:00
binutils PR 9774 2009-01-27 15:41:56 +00:00
config Merge from GCC: 2008-11-27 17:22:10 +00:00
cpu * frv.cpu (mabshs): Explicitly sign-extend arguments of abs to DI. 2009-01-07 01:09:24 +00:00
elfcpp 2009-01-06 H.J. Lu <hongjiu.lu@intel.com> 2009-01-06 18:20:45 +00:00
etc * standards.texi: Import 22 July 2007 version. 2007-08-13 09:45:22 +00:00
gas * gas/arm/attr-cpu-directive.d: Only run test for EABI targets. 2009-01-27 15:20:11 +00:00
gdb * corefile.c (generic_search): Delete disabled code. 2009-01-28 00:09:49 +00:00
gold 2009-01-20 Sriraman Tallam <tmsriram@google.com> 2009-01-28 02:25:33 +00:00
gprof PR 7099 2009-01-03 10:00:58 +00:00
include 2009-01-15 Andrew Stubbs <ams@codesourcery.com> 2009-01-15 18:00:49 +00:00
intl merge from gcc 2008-06-18 03:36:03 +00:00
ld * ld-cris/tls-tbss64.s, ld-cris/tls-e-80.d: New test. 2009-01-27 22:31:19 +00:00
libdecnumber merge from gcc 2008-10-27 18:25:21 +00:00
libiberty * configure.ac (funcs, vars, checkfuncs): Don't munge on Cygwin, 2009-01-18 23:12:15 +00:00
opcodes Regenerate for copyright date update. 2009-01-20 07:22:30 +00:00
readline Build fixes for DJGPP. 2008-08-10 19:17:42 +00:00
sim * sim/cris/asm/opterr5.ms, sim/cris/asm/opterr4.ms, 2009-01-18 22:17:47 +00:00
texinfo 2004-02-23 Andrew Cagney <cagney@redhat.com> 2004-02-23 19:37:48 +00:00
.cvsignore add autom4te.cache to .cvsignore 2007-02-13 15:25:58 +00:00
ChangeLog 2009-01-21 Jeff Johnston <jjohnstn@redhat.com> 2009-01-22 00:08:29 +00:00
compile 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
config-ml.in Merge from GCC: 2008-11-27 17:14:58 +00:00
config.guess * config.sub, config.guess: Update from upstream sources. 2008-12-18 03:26:46 +00:00
config.rpath * config.rpath: Add AIX 6 support. 2008-03-13 19:27:44 +00:00
config.sub * config.sub, config.guess: Update from upstream sources. 2008-12-18 03:26:46 +00:00
configure * configure.ac (ia64*-*-*vms*): Add case with no gdb or ld support. 2009-01-15 12:55:46 +00:00
configure.ac * configure.ac (ia64*-*-*vms*): Add case with no gdb or ld support. 2009-01-15 12:55:46 +00:00
COPYING 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
COPYING.LIB 2005-07-16 Kelley Cook <kcook@gcc.gnu.org> 2005-07-16 02:41:34 +00:00
COPYING.LIBGLOSS 2008-12-17 Jeff Johnston <jjohnstn@redhat.com> 2008-12-17 23:16:07 +00:00
COPYING.NEWLIB 2009-01-21 Jeff Johnston <jjohnstn@redhat.com> 2009-01-22 00:08:29 +00:00
COPYING3 * COPYING3: New file. Contains version 3 of the GNU General Public License. 2007-07-17 13:50:23 +00:00
COPYING3.LIB * COPYING3: New file. Contains version 3 of the GNU General Public License. 2007-07-17 13:50:23 +00:00
depcomp * depcomp: Update from automake CVS. Add 'ia64hp' stanza. 2005-06-13 18:01:01 +00:00
djunpack.bat
install-sh 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
libtool.m4 Backport link test fix from upstream Libtool: 2008-12-18 21:36:47 +00:00
ltgcc.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltmain.sh * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltoptions.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltsugar.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltversion.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
lt~obsolete.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
MAINTAINERS * MAINTAINERS: Replace reference to configure.in with reference to configure.ac. 2008-04-18 08:55:06 +00:00
Makefile.def * Makefile.def (configure-opcodes): Depend on configure-libiberty. 2009-01-16 08:06:15 +00:00
Makefile.in * Makefile.def (configure-opcodes): Depend on configure-libiberty. 2009-01-16 08:06:15 +00:00
Makefile.tpl Merge from GCC: 2008-11-27 17:14:58 +00:00
makefile.vms
missing 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
mkdep
mkinstalldirs 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
move-if-change Import from Autoconf sources: 2005-09-07 00:42:19 +00:00
README
README-maintainer-mode Update URL 2003-05-30 07:30:26 +00:00
setup.com * setup.com (mpw): Remove unused directive. 2005-06-29 19:12:31 +00:00
src-release * src-release (BINUTILS_SUPPORT_DIRS): Remove mkdep and depcomp. 2008-06-18 23:20:43 +00:00
symlink-tree 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
ylwrap 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00

		   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.