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Janne Blomqvist df996c3fd2 Use atomic load/store to access static backtrace state pointer 
As the static backtrace state pointer can be accessed from multiple
threads, use atomics to access it.

Regtested on x86_64-pc-linux-gnu.

libgfortran/ChangeLog:

2018-12-02  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/88137
	* runtime/backtrace.c (show_backtrace): Use atomic load/store to
	access the static lbstate pointer.

From-SVN: r266724
2018-12-02 17:12:44 +02:00
..
caf PR 84519 Handle optional QUIET specifier for STOP and ERROR STOP 2018-02-23 11:07:24 +02:00
config
generated re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=) 2018-10-28 11:05:05 +00:00
ieee
intrinsics Include <sys/random.h> for getentropy on Solaris 2018-08-14 22:51:36 +00:00
io Replace sync builtins with atomic builtins 2018-11-22 09:58:29 +02:00
m4 re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=) 2018-10-28 11:05:05 +00:00
runtime Use atomic load/store to access static backtrace state pointer 2018-12-02 17:12:44 +02:00
acinclude.m4 Replace sync builtins with atomic builtins 2018-11-22 09:58:29 +02:00
aclocal.m4 Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
c99_protos.h
ChangeLog Use atomic load/store to access static backtrace state pointer 2018-12-02 17:12:44 +02:00
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config.h.in Replace sync builtins with atomic builtins 2018-11-22 09:58:29 +02:00
configure Replace sync builtins with atomic builtins 2018-11-22 09:58:29 +02:00
configure.ac Replace sync builtins with atomic builtins 2018-11-22 09:58:29 +02:00
configure.host
gfortran.map re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=) 2018-10-28 11:05:05 +00:00
kinds-override.h
libgfortran.h re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with KIND=/BACK=) 2018-10-28 11:05:05 +00:00
libgfortran.spec.in
libtool-version
Makefile.am Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
Makefile.in Replace sync builtins with atomic builtins 2018-11-22 09:58:29 +02:00
mk-kinds-h.sh
mk-sik-inc.sh
mk-srk-inc.sh