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Tom Tromey 36cf1806a8 PR gdb/20604 - fix "quit" when an invalid expression is used
This fixes PR gdb/20604.  The bug here is that passing an invalid
expression to "quit" -- e.g., "quit()" -- causes gdb to enter a
non-functioning state.

The immediate problem is that quit_force resets the terminal before
evaluating the expression.  However, it seemed to me that it doesn't
really make sense to pass the quit_force argument to kill_or_detach
(which passes it to to_detach), first because conflating the exit
status for "quit" and the signal to pass when detaching doesn't make
sense, and second because to_detach implementations generally only
accept a constant here, while "quit" accepts an expression.  So, I
removed that.

As an aside, I think the "detach SIGNO" functionality is not
documented.

Built and regtested on x86-64 Fedora 24.

2016-09-21  Tom Tromey  <tom@tromey.com>

	PR gdb/20604:
	* top.h (quit_force): Update.
	* top.c (quit_force): Changed type of first argument.  Don't
	evaluate expression.  Pass NULL to kill_or_detach.
	* cli/cli-cmds.c (quit_command): Evaluate "args".

2016-09-21  Tom Tromey  <tom@tromey.com>

	PR gdb/20604:
	* gdb.base/quit.exp: New file.
2016-09-21 11:39:37 -06:00
bfd Automatic date update in version.in 2016-09-21 00:00:18 +00:00
binutils nm handling of synthetic symbols 2016-09-19 15:16:50 +09:30
config Sync top level files with gcc. 2016-02-10 10:54:29 +00:00
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gdb PR gdb/20604 - fix "quit" when an invalid expression is used 2016-09-21 11:39:37 -06:00
gold Handle ARM-specific --target1-abs, --target1-rel and --target2 options 2016-09-02 15:51:59 -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.