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Mike Frysinger cb7db0f2a9 gdb: fdpic/frv: fix shared library loading
The recent change to reload_shared_libraries() broke FDPIC shared libraries as
the solib-frv.c code was implicitly relying on the initial order of calls
(first solib_addr() and then solib_create_inferior_hook()).  It was
maintaining internal state via enable_break{1,2}_done to handle this.

While I could tweak these values a bit more, the original code wasn't terribly
bullet proof -- if during the initial debug you attempted to view shared
libraries, the enable2_break() code would whine about the ldso internal debug
addresses being unfetchable (and would actually attempt to read address 0x8 on
the target).  So I've dropped this implicit dependency on order (i.e.
enable_break1_done) and updated the ldso poking code (i.e. enable_break2) to
silently return when the internal debug address is still set to 0.  It will
remain this way until the ldso gets a chance to initialize at which point the
code will act the same as before.

While I have no way of testing the FRV, the Blackfin FDPIC code is using this
same base in a 100% copy & paste method since we implemented FDPIC the same
way as the FRV guys (I'll address this in the future).  This fix was required
in order to handle shared libraries with Blackfin FDPIC properly, and I see no
reason why it wouldn't also work for FRV (since the uClibc ldso FDPIC code is
the same too and that's really what this is poking).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-04-16 22:47:42 +00:00
bfd 2010-04-16 Andreas Schwab <schwab@redhat.com> 2010-04-16 14:38:54 +00:00
binutils * ld/testsuite/ld-arm/attr-merge-2.attr: Update for changes in attribute output. 2010-04-15 10:56:39 +00:00
config
cpu
elfcpp
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gas PR gas/11395 2010-04-16 11:20:41 +00:00
gdb gdb: fdpic/frv: fix shared library loading 2010-04-16 22:47:42 +00:00
gold 2010-04-14 Doug Kwan <dougkwan@google.com> 2010-04-15 00:42:15 +00:00
gprof
include * ld/testsuite/ld-arm/attr-merge-2.attr: Update for changes in attribute output. 2010-04-15 10:56:39 +00:00
intl
ld * ld/testsuite/ld-arm/attr-merge-2.attr: Update for changes in attribute output. 2010-04-15 10:56:39 +00:00
libdecnumber
libiberty merge from gcc 2010-04-07 21:16:24 +00:00
opcodes Remove extra breack. 2010-04-16 21:37:08 +00:00
readline
sim sim: constify sim_write source buffer (part 2) 2010-04-14 07:38:06 +00:00
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ChangeLog 2010-04-14 Tristan Gingold <gingold@adacore.com> 2010-04-14 09:28:48 +00:00
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configure 2010-04-14 Tristan Gingold <gingold@adacore.com> 2010-04-14 09:28:48 +00:00
configure.ac 2010-04-14 Tristan Gingold <gingold@adacore.com> 2010-04-14 09:28:48 +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,
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.