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Tom Tromey a350efd4fb Fix crash when exiting TUI with gdb -tui
PR tui/25348 points out that, when "gdb -tui" is used, then exiting
the TUI will cause a crash.

This happens because tui_setup_io stashes some readline variables --
but because this happens before readline is initialized, some of these
are NULL.  Then, when exiting the TUI, the NULL values are "restored",
causing a crash in readline.

This patch fixes the problem by ensuring that readline is initialized
first.  Back in commit 11061048d ("Give a name to the TUI SingleKey
keymap"), a call to rl_initialize was removed from
tui_initialize_readline; this patch resurrects the call, but moves it
to the end of the function, so as not to remove the ability to modify
the SingleKey map from .inputrc.

gdb/ChangeLog
2020-06-16  Tom Tromey  <tom@tromey.com>

	PR tui/25348:
	* tui/tui.c (tui_ensure_readline_initialized): Rename from
	tui_initialize_readline.  Only run once.  Call rl_initialize.
	* tui/tui.h (tui_ensure_readline_initialized): Rename from
	tui_initialize_readline.
	* tui/tui-io.c (tui_setup_io): Call
	tui_ensure_readline_initialized.
	* tui/tui-interp.c (tui_interp::init): Update.
2020-06-16 18:02:20 -06:00
bfd Automatic date update in version.in 2020-06-17 00:00:15 +00:00
binutils Re: asan: readelf: process_mips_specific buffer overflow 2020-06-11 14:50:48 +09:30
config Sync config with GCC 2020-05-16 06:07:12 -07:00
contrib contrib: Update dg-extract-results.* from gcc 2020-05-15 11:41:22 +01:00
cpu cpu,gas,opcodes: remove no longer needed workaround from the BPF port 2020-06-04 16:17:42 +02:00
elfcpp Rename PowerPC64 pcrel GOT TLS relocations 2020-06-06 14:44:32 +09:30
etc
gas x86: Correct noavx512_vp2intersect 2020-06-16 10:07:15 -07:00
gdb Fix crash when exiting TUI with gdb -tui 2020-06-16 18:02:20 -06:00
gdbserver gdbserver: remove support for ARM/WinCE 2020-06-12 16:06:45 -04:00
gdbsupport gdbsupport: Drop now unused function 'stringify_argv' 2020-05-25 11:40:35 -04:00
gnulib
gold Use __asm__ rather than asm in gold testsuite 2020-06-16 22:12:39 +09:30
gprof Replace "if (x) free (x)" with "free (x)", gprof 2020-05-21 10:45:33 +09:30
include xtensa: allow runtime ABI selection 2020-06-15 13:01:30 -07:00
intl
ld Re: Use __asm__ rather than asm in ld testsuite 2020-06-16 22:44:13 +09:30
libctf
libdecnumber
libiberty Sync config and libiberty with GCC 2020-05-12 18:37:03 -07:00
opcodes x86: Correct xsusldtrk mnemonic 2020-06-14 05:18:35 -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.