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gthr-gnat.h, [...]: new sources for implementation of --enable-threads=gnat.
* gthr-gnat.h, gthr-gnat.c: new sources for implementation of
--enable-threads=gnat.
* Makefile.in: Add gthr-gnat.c to LIB2ADDEH.
* configure.in: Add gnat to the list of thread packages
* configure: Rebuild.
* config/t-linux: Add gthr-gnat.c to LIB2ADDEH and LIB2ADDEHDEP
From-SVN: r65961
This commit is contained in:
Vincent Celier
Richard Kenner
parent
9734801a49
commit
6d412a7b22
@ -1,3 +1,12 @@
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2003-04-22 Vincent Celier <celier@gnat.com>
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* gthr-gnat.h, gthr-gnat.c: new sources for implementation of
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--enable-threads=gnat.
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* Makefile.in: Add gthr-gnat.c to LIB2ADDEH.
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* configure.in: Add gnat to the list of thread packages
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* configure: Rebuild.
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* config/t-linux: Add gthr-gnat.c to LIB2ADDEH and LIB2ADDEHDEP
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2003-04-22 Neil Booth <neil@daikokuya.co.uk>
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* cpplex.c (_cpp_get_fresh_line): Pop the buffer if return_at_eof.
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@ -471,7 +471,7 @@ CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
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# Additional sources to handle exceptions; overridden by targets as needed.
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LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
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$(srcdir)/unwind-sjlj.c
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$(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c
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LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h
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# nm flags to list global symbols in libgcc object files.
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@ -12,5 +12,5 @@ SHLIB_MAPFILES += $(srcdir)/config/libgcc-glibc.ver
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# Use unwind-dw2-fde-glibc
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LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c \
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$(srcdir)/unwind-sjlj.c
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LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c
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$(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c
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LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c gthr-gnat.c
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4
gcc/configure
vendored
4
gcc/configure
vendored
@ -2305,7 +2305,7 @@ case x${enable_threads_flag} in
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target_thread_file=''
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;;
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xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
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xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
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xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat)
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target_thread_file=$enable_threads_flag
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;;
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*)
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@ -2434,7 +2434,7 @@ fi
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# Find some useful tools
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for ac_prog in gawk mawk nawk awk
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for ac_prog in mawk gawk nawk awk
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do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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@ -518,7 +518,7 @@ case x${enable_threads_flag} in
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target_thread_file=''
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;;
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xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
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xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix)
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xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat)
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target_thread_file=$enable_threads_flag
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;;
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*)
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84
gcc/gthr-gnat.c
Normal file
84
gcc/gthr-gnat.c
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@ -0,0 +1,84 @@
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/* Threads compatibility routines for libgcc2. */
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/* Compile this one with gcc. */
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#include "gthr-gnat.h"
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#ifdef __cplusplus
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#define UNUSED(x)
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#else
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#define UNUSED(x) x __attribute__((unused))
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#endif
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void
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__gnat_default_lock (void)
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{
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return;
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}
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void
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__gnat_default_unlock (void)
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{
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return;
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}
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static void (*__gnat_task_lock) () = *__gnat_default_lock;
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static void (*__gnat_task_unlock) () = *__gnat_default_unlock;
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void
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__gnat_install_locks (lock, unlock)
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void (*lock) ();
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void (*unlock) ();
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{
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__gnat_task_lock = lock;
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__gnat_task_unlock = unlock;
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}
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int
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__gthread_active_p (void)
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{
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return 0;
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}
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int
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__gthread_mutex_lock (__gthread_mutex_t * UNUSED (mutex))
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{
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__gnat_task_lock ();
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return 0;
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}
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int
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__gthread_mutex_unlock (__gthread_mutex_t * UNUSED (mutex))
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{
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__gnat_task_unlock ();
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return 0;
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}
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#undef UNUSED
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43
gcc/gthr-gnat.h
Normal file
43
gcc/gthr-gnat.h
Normal file
@ -0,0 +1,43 @@
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/* Threads compatibility routines for libgcc2. */
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/* Compile this one with gcc. */
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#ifndef GCC_GTHR_GNAT_H
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#define GCC_GTHR_GNAT_H
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/* Just provide compatibility for mutex handling. */
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typedef int __gthread_mutex_t;
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#define __GTHREAD_MUTEX_INIT 0
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extern void __gnat_install_locks (void (*lock) (), void (*unlock) ());
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extern int __gthread_active_p (void);
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extern int __gthread_mutex_lock (__gthread_mutex_t *);
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extern int __gthread_mutex_unlock (__gthread_mutex_t *);
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#endif /* ! GCC_GTHR_GNAT_H */
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