config.gcc (powerpc-wrs-vxworksmils): New configuration.

2014-09-18  Olivier Hainque  <hainque@adacore.com>

gcc/
	* config.gcc (powerpc-wrs-vxworksmils): New configuration.
	* config/rs6000/t-vxworksmils: New file.
	* config/rs6000/vxworksmils.h: New file.

libgcc/
	* config.host (powerpc-wrs-vxworksmils): New configuration,
	same as vxworksae.

contrib/
	* config-list.mk (LIST): Add powerpc-wrs-vxworksmils.

From-SVN: r215377

4 files changed, 50 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 050120a..8892f64 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2014-09-19  Olivier Hainque  <hainque@adacore.com>
 
+	* config.gcc (powerpc-wrs-vxworksmils): New configuration.
+	* config/rs6000/t-vxworksmils: New file.
+	* config/rs6000/vxworksmils.h: New file.
+
+2014-09-19  Olivier Hainque  <hainque@adacore.com>
+
 	* varasm.c (default_section_type_flags): Flag .persistent.bss
 	sections as SECTION_BSS.
 
diff --git a/gcc/config.gcc b/gcc/config.gcc
index caafa7e..0b8d771 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2315,12 +2315,16 @@ powerpc*-*-linux*)
 		tm_file="rs6000/secureplt.h ${tm_file}"
 	fi
 	;;
-powerpc-wrs-vxworks|powerpc-wrs-vxworksae)
+powerpc-wrs-vxworks|powerpc-wrs-vxworksae|powerpc-wrs-vxworksmils)
 	tm_file="${tm_file} elfos.h freebsd-spec.h rs6000/sysv4.h"
 	tmake_file="${tmake_file} rs6000/t-fprules rs6000/t-ppccomm rs6000/t-vxworks"
 	extra_options="${extra_options} rs6000/sysv4.opt"
 	extra_headers=ppc-asm.h
 	case ${target} in
+          *-vxworksmils*)
+            tm_file="${tm_file} vx-common.h vxworksae.h rs6000/vxworks.h rs6000/e500.h rs6000/vxworksmils.h"
+            tmake_file="${tmake_file} rs6000/t-vxworksmils"
+            ;;
 	  *-vxworksae*)
 	    tm_file="${tm_file} vx-common.h vxworksae.h rs6000/vxworks.h rs6000/e500.h rs6000/vxworksae.h"
 	    tmake_file="${tmake_file} rs6000/t-vxworksae"
diff --git a/gcc/config/rs6000/t-vxworksmils b/gcc/config/rs6000/t-vxworksmils
new file mode 100644
index 0000000..788069e
--- /dev/null
+++ b/gcc/config/rs6000/t-vxworksmils
@@ -0,0 +1,10 @@
+# Multilibs for VxWorks MILS.
+
+MULTILIB_OPTIONS = msoft-float
+MULTILIB_MATCHES =
+MULTILIB_EXCEPTIONS = 
+
+# Mils provides headers for the vthreads environment only, so we force
+# that option on all the variants:
+
+TCFLAGS += -mvthreads
diff --git a/gcc/config/rs6000/vxworksmils.h b/gcc/config/rs6000/vxworksmils.h
new file mode 100644
index 0000000..d1cd8d7
--- /dev/null
+++ b/gcc/config/rs6000/vxworksmils.h
@@ -0,0 +1,29 @@
+/* PowerPC VxWorks MILS target definitions for GNU compiler.  Overrides
+   on top of the canonical VxWorks definitions.
+
+   Copyright (C) 2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* This platform supports the probing method of stack checking and
+   requires 4K of space for executing a possible last chance handler.  */
+#undef STACK_CHECK_PROTECT
+#define STACK_CHECK_PROTECT 4096
+
+/* VxWorksMILS for E500V2 expects a specific CPU value to designate 8548.  */
+#undef VXCPU_FOR_8548
+#define VXCPU_FOR_8548 "PPC85XX"