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Yao Qi 94610ec4ee Set signal to 0 after enqueue_pending_signal
Today, we enqueue signal in linux_resume_one_lwp_throw, but set
variable 'signal' many lines below with the comment

      /* Postpone any pending signal.  It was enqueued above.  */
      signal = 0;

I feel difficult to associate code across many lines, and we should
move the code close to enqueue_pending_signal call.  This is what
this patch does in general.  After this change, variable 'signal'
is set to zero very early, so the 'signal' value in the following
debugging message makes no sense, so I remove it from the debugging
message.  The function returns early if lwp->status_pending_p is
true, so 'signal' value in the debugging message doesn't matter,
AFAICS.  Also, I move one debugging message several lines below to
make it close the real ptrace call,

  if (debug_threads)
    debug_printf ("Resuming lwp %ld (%s, signal %d, stop %s)\n",
		  lwpid_of (thread), step ? "step" : "continue", signal,
		  lwp->stop_expected ? "expected" : "not expected");

so that the debugging message can reflect what GDBserver does.  This
is a code refactor and only debugging messages are affected.

gdb/gdbserver:

2016-03-18  Yao Qi  <yao.qi@linaro.org>

	* linux-low.c (linux_resume_one_lwp_throw): Set 'signal' to
	0 if signal is enqueued.  Remove 'signal' from one debugging
	message.  Move one debugging message to some lines below.
	Remove code setting 'signal' to 0.
2016-03-18 14:31:40 +00:00
bfd Automatic date update in version.in 2016-03-18 00:00:09 +00:00
binutils Allow zero length archive elements. 2016-03-07 17:29:25 +00:00
config Sync top level files with gcc. 2016-02-10 10:54:29 +00:00
cpu Correct fr30 comment 2016-03-03 12:55:30 +10:30
elfcpp Remove typename from Mips64_rela_data 2016-01-12 12:08:06 -08:00
etc Remove spurious empty line in changelog entry. 2016-03-18 13:09:03 +00:00
gas Fix generation of as.1 manual page so that it can be converted to DocBook format. 2016-03-18 13:07:33 +00:00
gdb Set signal to 0 after enqueue_pending_signal 2016-03-18 14:31:40 +00:00
gold Add MIPS-64 support. 2016-03-17 15:07:49 -07:00
gprof Regen configure 2016-01-17 12:28:14 +10:30
include Add -z noreloc-overflow option to x86-64 ld 2016-03-15 11:07:54 -07:00
intl Regen intl/configure 2015-08-31 12:53:36 +09:30
ld Ensure that the .rdata_pseudo_runtime_reloc sections are not discarded by gabage collection. 2016-03-18 11:45:43 +00:00
libdecnumber Remove leading/trailing white spaces in ChangeLog 2015-07-24 04:16:47 -07:00
libiberty Sync libiberty with GCC. 2016-01-28 21:44:42 +01:00
opcodes [ARM] Support ARMv8.2 FP16 simd instructions 2016-03-16 16:11:59 +00:00
readline Revert "Sync readline/ to version 7.0 alpha" 2015-07-25 15:57:00 -04:00
sim Add simulation of MUL and NEG instructions to AArch64 simulator. 2016-03-18 09:32:32 +00:00
texinfo
zlib Import zlib 1.2.8 with local change merged in. 2015-11-25 15:14:47 -08:00
.cvsignore
.gitattributes Add a .gitattributes file for use with git-merge-changelog 2014-07-25 18:07:23 -04:00
.gitignore Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
ChangeLog Add mips and s390 build targets for gold. 2016-03-17 15:37:10 -07:00
compile Update from upstream Automake 2014-11-16 13:43:48 +01:00
config-ml.in Sync toplevel files with GCC 2015-07-27 07:49:05 -07:00
config.guess Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
config.rpath
config.sub Import changes made to files shared with the FSF GCC project. 2016-01-11 11:06:56 +00:00
configure Add mips and s390 build targets for gold. 2016-03-17 15:37:10 -07:00
configure.ac Add mips and s390 build targets for gold. 2016-03-17 15:37:10 -07:00
COPYING
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB 2013-10-01 Jeff Johnston <jjohnstn@redhat.com> 2013-10-01 18:14:04 +00:00
COPYING3
COPYING3.LIB
depcomp Update from upstream Automake 2014-11-16 13:43:48 +01:00
djunpack.bat
install-sh Update from upstream Automake 2014-11-16 13:43:48 +01:00
libtool.m4 Sync top-level btool.m4 with GCC 2016-01-12 08:44:52 -08:00
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 Update description of ownership of files in include/ 2014-11-04 16:14:14 -08:00
Makefile.def Sync top-level Makefile.def with GCC 2016-01-12 08:34:40 -08:00
Makefile.in Sync top level files with gcc. 2016-02-10 10:54:29 +00:00
Makefile.tpl Sync top level files with gcc. 2016-02-10 10:54:29 +00:00
makefile.vms
missing Update from upstream Automake 2014-11-16 13:43:48 +01:00
mkdep
mkinstalldirs Update from upstream Automake 2014-11-16 13:43:48 +01:00
move-if-change Update `move-if-change' from gnulib 2014-11-16 17:04:02 +01:00
README
README-maintainer-mode
setup.com
src-release.sh fix gdb version parsing in src-release.sh 2016-01-17 10:01:55 +04:00
symlink-tree
ylwrap Update from upstream Automake 2014-11-16 13:43:48 +01:00

		   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.