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Joel Brobecker 02aeec7bde Check library name rather than member name when rereading symbols.
On Darwin, we have lots of complaints being emitted when restarting
a program:

    (gdb) start
    `a-except.o' has disappeared; keeping its symbols.
    `unwind-dw2.o' has disappeared; keeping its symbols.
    `s-except.o' has disappeared; keeping its symbols.
    `s-traceb.o' has disappeared; keeping its symbols.

These object files are part of the GNAT runtime, and were never available.
The warning comes from the fact that we're checking whether the .o files
in the GNAT shared runtime have changed whereas we should be checking
whether the GNAT shared library itself has changed.

This patch implements this.  Although it is really only useful on a platform
such as Darwin (debug info stored in .o files), we believe that this is
the right thing to do in general.  This change should be a noop for all
the other platforms in any case.

gdb/ChangeLog (from Tristan Gingold & Pedro Alves):

        * symfile.c (reread_symbols): Also search for file in libraries.
        Update comment.

Tested on x86_64-darwin and x86_64-linux.
2010-04-27 21:01:30 +00:00
bfd 2010-04-27 Kai Tietz <kai.tietz@onevision.com> 2010-04-27 17:26:09 +00:00
binutils 2010-04-27 Kai Tietz <kai.tietz@onevision.com> 2010-04-27 17:28:15 +00:00
config Sync from gcc mainline. 2010-02-15 10:37:55 +00:00
cpu * m32r.cpu (HASH-PREFIX): Delete. 2010-02-12 04:38:21 +00:00
elfcpp include: 2010-03-05 21:04:59 +00:00
etc Regenerate tree using Autoconf 2.64 and Automake 1.11. 2009-08-22 16:56:56 +00:00
gas Restore "call|jmp [xtrn]" in x86 assembler. 2010-04-24 17:41:04 +00:00
gdb Check library name rather than member name when rereading symbols. 2010-04-27 21:01:30 +00:00
gold Properly install gold/ld as default cross linker. 2010-04-27 16:05:54 +00:00
gprof PR gprof/11524 2010-04-27 14:46:09 +00:00
include merge from gcc 2010-04-26 18:04:23 +00:00
intl merge from gcc 2010-04-05 18:02:22 +00:00
ld Properly install gold/ld as default cross linker. 2010-04-27 16:05:54 +00:00
libdecnumber merge from gcc 2010-04-05 18:02:22 +00:00
libiberty merge from gcc 2010-04-24 01:03:21 +00:00
opcodes Updated translation templates. 2010-04-22 14:37:16 +00:00
readline Regenerate tree using Autoconf 2.64 and Automake 1.11. 2009-08-22 16:56:56 +00:00
sim sim: unify target->subdir handling for default tests 2010-04-26 16:23:24 +00:00
texinfo * texinfo/texinfo.tex: Update to version 2009-03-28.05. 2009-04-21 12:36:46 +00:00
.cvsignore add autom4te.cache to .cvsignore 2007-02-13 15:25:58 +00:00
ChangeLog * configure.ac (--enable-gold): Support both, both/gold and 2010-04-27 14:24:37 +00:00
compile Update automake-provided files in the toplevel. 2009-08-22 11:48:33 +00:00
config-ml.in Merge from GCC: 2008-11-27 17:14:58 +00:00
config.guess * config.sub: Update to version 2010-03-22. 2010-03-23 14:27:19 +00:00
config.rpath * config.rpath: Add AIX 6 support. 2008-03-13 19:27:44 +00:00
config.sub * config.sub: Update to version 2010-03-22. 2010-03-23 14:27:19 +00:00
configure * configure.ac (--enable-gold): Support both, both/gold and 2010-04-27 14:24:37 +00:00
configure.ac * configure.ac (--enable-gold): Support both, both/gold and 2010-04-27 14:24:37 +00:00
COPYING
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
COPYING.LIB
COPYING.LIBGLOSS 2009-12-17 Jeff Johnston <jjohnstn@redhat.com> 2009-12-17 21:12:49 +00:00
COPYING.NEWLIB 2009-12-17 Jeff Johnston <jjohnstn@redhat.com> 2009-12-17 21:12:49 +00:00
depcomp Update automake-provided files in the toplevel. 2009-08-22 11:48:33 +00:00
djunpack.bat * djunpack.bat: Use ".." quoting in Sed command, for the sake of 2009-03-27 13:37:09 +00:00
install-sh Update automake-provided files in the toplevel. 2009-08-22 11:48:33 +00:00
libtool.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
lt~obsolete.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
ltgcc.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltmain.sh Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
ltoptions.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
ltsugar.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltversion.m4 Sync Libtool from GCC. 2010-01-09 21:11:44 +00:00
MAINTAINERS * MAINTAINERS: Perform some obvious fixups. 2009-08-19 02:53:50 +00:00
Makefile.def * configure.ac (--enable-gold): Support both, both/gold and 2010-04-27 14:24:37 +00:00
Makefile.in * configure.ac (--enable-gold): Support both, both/gold and 2010-04-27 14:24:37 +00:00
Makefile.tpl * Makefile.tpl: Use "-exec rm {}" rather than "-delete" to delete 2010-02-17 11:02:54 +00:00
makefile.vms
missing Update automake-provided files in the toplevel. 2009-08-22 11:48:33 +00:00
mkdep
mkinstalldirs Update automake-provided files in the toplevel. 2009-08-22 11:48:33 +00:00
move-if-change Import from Autoconf sources: 2005-09-07 00:42:19 +00:00
README
README-maintainer-mode Cleanups after the update to Autoconf 2.64, Automake 1.11. 2009-08-22 17:08:11 +00:00
setup.com 2009-09-01 Tristan Gingold <gingold@adacore.com> 2009-09-01 13:38:26 +00:00
src-release * src-release (BINUTILS_SUPPORT_DIRS): Remove mkdep and depcomp. 2008-06-18 23:20:43 +00:00
symlink-tree
ylwrap Update automake-provided files in the toplevel. 2009-08-22 11:48:33 +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.