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

contrib/ChangeLog

@@ -1,3 +1,7 @@
+2014-09-19  Olivier Hainque  <hainque@adacore.com>
+
+	* config-list.mk (LIST): Add powerpc-wrs-vxworksmils.
+
 2014-09-18  Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* config-list.mk (LIST): Add v850-rtems.

contrib/config-list.mk

@@ -56,7 +56,8 @@ LIST = aarch64-elf aarch64-linux-gnu \
   powerpc-eabialtivec powerpc-xilinx-eabi powerpc-eabi \
   powerpc-rtems powerpc-linux_spe \
   powerpc-linux_paired powerpc64-linux_altivec \
-  powerpc-wrs-vxworks powerpc-wrs-vxworksae powerpc-lynxos powerpcle-elf \
+  powerpc-wrs-vxworks powerpc-wrs-vxworksae powerpc-wrs-vxworksmils \
+  powerpc-lynxos powerpcle-elf \
   powerpcle-eabisim powerpcle-eabi rs6000-ibm-aix4.3 rs6000-ibm-aix5.1.0 \
   rs6000-ibm-aix5.2.0 rs6000-ibm-aix5.3.0 rs6000-ibm-aix6.0 \
   rl78-elf rx-elf s390-linux-gnu s390x-linux-gnu s390x-ibm-tpf sh-elf \

gcc/ChangeLog

@@ -1,3 +1,9 @@
+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

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"

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

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"

libgcc/ChangeLog

@@ -1,3 +1,8 @@
+2014-09-19  Olivier Hainque  <hainque@adacore.com>
+
+	* config.host (powerpc-wrs-vxworksmils): New configuration,
+	same as vxworksae.
+
 2014-09-18  Joseph Myers  <joseph@codesourcery.com>
 
 	* libgcc2.c (CEXT): Define using __LIBGCC_*_FUNC_EXT__.

libgcc/config.host

@@ -997,7 +997,7 @@ powerpc*-*-linux*)
 	extra_parts="$extra_parts ecrti.o ecrtn.o ncrti.o ncrtn.o"
 	md_unwind_header=rs6000/linux-unwind.h
 	;;
-powerpc-wrs-vxworks|powerpc-wrs-vxworksae)
+powerpc-wrs-vxworks|powerpc-wrs-vxworksae|powerpc-wrs-vxworksmils)
 	tmake_file="$tmake_file rs6000/t-ppccomm rs6000/t-savresfgpr t-fdpbit"
 	;;
 powerpc-*-lynxos*)