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Markus Metzger e59fa00fa0 btrace: no replay without history
When using a reverse execution command without execution history, GDB
might end up in a state where replaying has been started but remains
at the current instruction.  This state is illegal.

Do not step if there is no execution history to avoid this.

2014-05-20  Markus Metzger  <markus.t.metzger@intel.com>

	* record-btrace.c (record_btrace_step_thread): Check for empty history.

testsuite/
	* gdb.btrace/nohist.exp: New.
2014-05-20 14:18:10 +02:00
bfd Rewrite ppc32 backend .sdata and .sdata2 handling 2014-05-20 13:13:23 +09:30
binutils This fixes a few issues with pe/coff build-ids that were discovered since the 2014-05-16 15:34:13 +01:00
config Sync nios2 configure changes from GCC mainline. 2014-05-14 16:27:14 -07:00
cpu or1k: add support for l.swa/l.lwa atomic instructions 2014-05-08 09:02:50 +03:00
elfcpp Remove support for the (deprecated) openrisc and or32 configurations and replace 2014-04-22 15:57:47 +01:00
etc
gas Fix MSP430 assembler to support #hi(<symbol>). 2014-05-20 10:28:42 +01:00
gdb btrace: no replay without history 2014-05-20 14:18:10 +02:00
gold Fix "overflow in PLT unwind data" warning 2014-05-15 18:37:43 +09:30
gprof autoreconf 2014-03-12 15:02:00 +10:30
include Fix MSP430 assembler to support #hi(<symbol>). 2014-05-20 10:28:42 +01:00
intl
ld ld/aarch64: xfail non-PIC shared object tests on aarch64 2014-05-20 09:47:29 +01:00
libdecnumber PR c/59871 c/ * c-typeck.c (build_compound_expr): Warn even for right-hand operand of a comma expression. (emit_side_effect_warnings): Likewise. libdecnumber/ * decNumberLocal.h (UBFROMUS, UBFROMUI): Remove last argument. testsuite/ * gcc.dg/20020220-2.c: Adjust dg-warning message. * gcc.dg/pr59871.c: New test. 2014-05-08 10:18:28 -06:00
libiberty libiberty/ 2014-05-08 Gary Benson <gbenson@redhat.com> 2014-05-08 10:18:30 -06:00
opcodes Remove unnecessary header from m68k-dis.c 2014-05-20 13:15:18 +09:30
readline * readline.c (bind_arrow_keys_internal): 2013-09-24 14:49:48 +00:00
sim Support 32->64 sign extension in msp430's sign_ext 2014-05-12 19:05:19 -04:00
texinfo
.cvsignore
.gitignore Sync the root .gitignore file with GCC's. 2013-01-11 15:17:35 +00:00
ChangeLog Sync nios2 configure changes from GCC mainline. 2014-05-14 16:27:14 -07:00
compile
config-ml.in
config.guess * config.sub, config.guess: Import from upstream. 2014-05-01 21:49:01 +01:00
config.rpath
config.sub * config.sub, config.guess: Import from upstream. 2014-05-01 21:49:01 +01:00
configure Sync nios2 configure changes from GCC mainline. 2014-05-14 16:27:14 -07:00
configure.ac Sync nios2 configure changes from GCC mainline. 2014-05-14 16:27:14 -07:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB 2013-10-01 Jeff Johnston <jjohnstn@redhat.com> 2013-10-01 18:14:04 +00:00
depcomp
djunpack.bat
install-sh
libtool.m4 * libtool.m4 (_LT_ENABLE_LOCK <ld -m flags>): Remove non-canonical 2013-09-20 09:51:25 +00:00
lt~obsolete.m4
ltgcc.m4
ltmain.sh PR target/59788 2014-02-06 11:01:57 +01:00
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS
Makefile.def PR sanitizer/56781 * Makefile.def: Set bootstrap=true; for host fixincludes. * configure.ac: Don't bootstrap host fixincludes unless --with-build-config=bootstrap-{a,ub}san. * Makefile.in: Regenerated. * configure: Regenerated. 2014-05-08 10:18:30 -06:00
Makefile.in PR sanitizer/56781 * Makefile.def: Set bootstrap=true; for host fixincludes. * configure.ac: Don't bootstrap host fixincludes unless --with-build-config=bootstrap-{a,ub}san. * Makefile.in: Regenerated. * configure: Regenerated. 2014-05-08 10:18:30 -06:00
Makefile.tpl PR bootstrap/58572 * Makefile.tpl (POSTSTAGE1_CXX_EXPORT): Use -isystem instead of -I for libstdc++-v3 includes if $(LEAN). * Makefile.in: Regenerated. 2014-05-08 10:18:29 -06:00
makefile.vms
missing
mkdep
mkinstalldirs
move-if-change
README
README-maintainer-mode
setup.com
src-release * src-release (do-proto-toplevel): Support subdir-path-prefixed 2013-10-15 20:45:52 +00:00
symlink-tree
ylwrap

		   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.