binutils-gdb modified for the FreeChainXenon project
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Pedro Alves c933f875f4 Put the inferior's terminal settings in effect while running (fg) infcalls
The "call" and "print" commands presently always run synchronously, in
the foreground, but GDB currently forgets to put the inferior's
terminal settings into effect while running them, on async-capable
targets, resulting in:

 (gdb) print func ()
 hello world

 Program received signal SIGTTOU, Stopped (tty output).
 0x000000373bceb8d0 in __libc_tcdrain (fd=1) at ../sysdeps/unix/sysv/linux/tcdrain.c:29
 29          return INLINE_SYSCALL (ioctl, 3, fd, TCSBRK, 1);
 The program being debugged was signaled while in a function called from GDB.
 GDB remains in the frame where the signal was received.
 To change this behavior use "set unwindonsignal on".
 Evaluation of the expression containing the function
 (func) will be abandoned.
 When the function is done executing, GDB will silently stop.
 (gdb)

That's because target_terminal_inferior skips actually doing anything
if running in the background, and, nothing is setting sync_execution
while running infcalls:

 void
 target_terminal_inferior (void)
 {
   /* A background resume (``run&'') should leave GDB in control of the
      terminal.  Use target_can_async_p, not target_is_async_p, since at
      this point the target is not async yet.  However, if sync_execution
      is not set, we know it will become async prior to resume.  */
   if (target_can_async_p () && !sync_execution)
     return;

This would best be all cleaned up by making GDB not even call
target_terminal_inferior and try to pass the terminal to the inferior
if running in the background, but that's a more invasive fix that is
better done post-7.8.

This was originally caught by a patch later in this series that makes
catch_command_errors use exception_print instead of
print_any_exception.  Note that print_flush calls serial_drain_output
while print_any_exception doesnt't have that bit.  And,
gdb.gdb/python-selftest.exp does:

 gdb_test "call catch_command_errors(execute_command, \"python print 5\", 0, RETURN_MASK_ALL)" \
   "Python not initialized.* = 0"

which without this fix results in SIGTTOU...

gdb/
2014-07-14  Pedro Alves  <palves@redhat.com>

	* infcall.c (run_inferior_call): Set 'sync_execution' while
	running the inferior call.

gdb/testsuite/
2014-07-14  Pedro Alves  <palves@redhat.com>

	* gdb.base/execution-termios.c: New file.
	* gdb.base/execution-termios.exp: New file.
2014-07-14 19:55:30 +01:00
bfd daily update 2014-07-14 09:30:59 +09:30
binutils binutils/testsuite: Disable strip-10 test on ARM non-EABI 2014-07-10 09:32:47 +01:00
config Sync nios2 configure changes from GCC mainline. 2014-05-14 16:27:14 -07:00
cpu Whitespace fixes for cpu/or1k.opc 2014-06-12 12:30:57 +09:30
elfcpp 2014-07-02 Jing Yu <jingyu@google.com> 2014-07-02 16:21:23 -07:00
etc PR external/{16327,16328}: Remove etc/configure.texi and etc/standards.texi. 2014-06-27 11:33:25 +02:00
gas Don't force "set" symbols local for PE 2014-07-12 18:50:53 +09:30
gdb Put the inferior's terminal settings in effect while running (fg) infcalls 2014-07-14 19:55:30 +01:00
gold Fix --defsym to copy symbol attributes. 2014-07-08 22:52:37 -07:00
gprof Rename configure.in to configure.ac 2014-07-04 13:40:28 +09:30
include Adds support for writing values to AVR system I/O registers. 2014-07-07 16:15:19 +01:00
intl
ld Fix xtensa ld segfault when linking linux modules 2014-07-10 19:22:07 +04:00
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 Delete temporary string within demangler even in failure cases. 2014-06-11 11:41:51 +01:00
opcodes Fix disasm of vmovsd/vmovss with different length values. 2014-07-08 08:07:41 -07:00
readline * readline.c (bind_arrow_keys_internal): 2013-09-24 14:49:48 +00:00
sim Sim - Use long int format instead of int to avoid compiling warning 2014-06-30 17:40:02 -07:00
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-ml.in: Don't handle arc-*-elf*. 2011-03-22 20:01:13 +00:00
config.guess * config.sub, config.guess: Import from upstream. 2014-05-01 21:49:01 +01:00
config.rpath Remove freebsd1 from libtool.m4 macros and config.rpath. 2011-02-13 21:00:14 +00:00
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
COPYING.LIB
COPYING.LIBGLOSS 2013-01-07 Jeff Johnston <jjohnstn@redhat.com> 2013-01-07 21:39:26 +00:00
COPYING.NEWLIB 2013-10-01 Jeff Johnston <jjohnstn@redhat.com> 2013-10-01 18:14:04 +00:00
COPYING3
COPYING3.LIB
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
ltgcc.m4
ltmain.sh PR target/59788 2014-02-06 11:01:57 +01:00
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS MAINTAINERS: clarify policy with config/ (and other top level files) 2012-05-12 03:10:17 +00:00
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 Import move-if-change script from gnulib. 2011-02-12 15:47:02 +00:00
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.