Move libgcc_tm_file to toplevel libgcc

	gcc:
	* configure.ac (libgcc_tm_file_list, libgcc_tm_include_list):
	Remove.
	* configure: Regenerate.
	* Makefile.in (libgcc_tm_file_list, libgcc_tm_include_list): Remove.
	(TM_H): Remove libgcc_tm.h, $(libgcc_tm_file_list).
	(libgcc_tm.h, cs-libgcc_tm.h): Remove.
	(clean): Remove libgcc_tm.h
	* mkconfig.sh: Don't include libgcc_tm.h in tm.h.
	* config.gcc (libgcc_tm_file): Remove.
	(arm*-*-linux*): Remove libgcc_tm_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Remove libgcc_tm_file for arm*-*-uclinux*eabi.
	(arm*-*-eabi*, arm*-*-symbianelf*): Remove libgcc_tm_file.
	(avr-*-rtems*): Likewise.
	(avr-*-*): Likewise.
	(frv-*-elf): Likewise.
	(frv-*-*linux*): Likewise.
	(h8300-*-rtems*): Likewise.
	(h8300-*-elf*): Likewise.
	(i[34567]86-*-darwin*): Likewise.
	(x86_64-*-darwin*): Likewise.
	(rx-*-elf*): Likewise.
	(tic6x-*-elf): Likewise.
	(tic6x-*-uclinux): Likewise.
	(i[34567]86-*-linux*, x86_64-*-linux*): Likewise.

	libgcc:
	* configure.ac (tm_file_): New variable.
	Determine from tm_file.
	(tm_file, tm_defines): Substitute.
	* configure: Regenerate.
	* mkheader.sh: New file.
	* Makefile.in (clean): Remove libgcc_tm.h.
	($(objects)): Depend on libgcc_tm.h.
	(libgcc_tm_defines, libgcc_tm_file): New variables.
	(libgcc_tm.h, libgcc_tm.stamp): New targets.
	($(libgcc-objects), $(libgcc-s-objects), $(libgcc-eh-objects))
	($(libgcov-objects), $(libunwind-objects), $(libunwind-s-objects))
	($(extra-parts)): Depend on libgcc_tm.h.
	* config.host (tm_defines, tm_file): New variable.
	(arm*-*-linux*): Set tm_file for arm*-*-linux-*eabi.
	(arm*-*-uclinux*): Set tm_file for arm*-*-uclinux*eabi.
	(arm*-*-eabi*, arm*-*-symbianelf*): Set tm_file.
	(avr-*-rtems*): Likewise.
	(avr-*-*): Likewise.
	(frv-*-elf): Likewise.
	(frv-*-*linux*): Likewise.
	(h8300-*-rtems*): Likewise.
	(h8300-*-elf*): Likewise.
	(i[34567]86-*-darwin*): Likewise.
	(x86_64-*-darwin*): Likewise.
	(rx-*-elf): Likewise.
	(tic6x-*-uclinux): Likewise.
	(tic6x-*-elf): Likewise.
	(i[34567]86-*-linux*, x86_64-*-linux*): Likewise.
	* config/alpha/gthr-posix.c: Include libgcc_tm.h.
	* config/i386/cygming-crtbegin.c: Likewise.
	* config/i386/cygming-crtend.c: Likewise.
	* config/ia64/fde-vms.c: Likewise.
	* config/ia64/unwind-ia64.c: Likewise.
	* config/libbid/bid_gcc_intrinsics.h: Likewise.
	* config/rs6000/darwin-fallback.c: Likewise.
	* config/stormy16/lib2funcs.c: Likewise.
	* config/xtensa/unwind-dw2-xtensa.c: Likewise.
	* crtstuff.c: Likewise.
	* dfp-bit.h: Likewise.
	* emutls.c: Likewise.
	* fixed-bit.c: Likewise.
	* fp-bit.c: Likewise.
	* generic-morestack-thread.c: Likewise.
	* generic-morestack.c: Likewise.
	* libgcc2.c: Likewise.
	* libgcov.c: Likewise.
	* unwind-dw2-fde-dip.c: Likewise.
	* unwind-dw2-fde.c: Likewise.
	* unwind-dw2.c: Likewise.
	* unwind-sjlj.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180775 138bc75d-0d04-0410-961f-82ee72b054a4

28 files changed, 189 insertions, 13 deletions

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index deab941041a..c169190c397 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,5 +1,58 @@
 2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
+	* configure.ac (tm_file_): New variable.
+	Determine from tm_file.
+	(tm_file, tm_defines): Substitute.
+	* configure: Regenerate.
+	* mkheader.sh: New file.
+	* Makefile.in (clean): Remove libgcc_tm.h.
+	($(objects)): Depend on libgcc_tm.h.
+	(libgcc_tm_defines, libgcc_tm_file): New variables.
+	(libgcc_tm.h, libgcc_tm.stamp): New targets.
+	($(libgcc-objects), $(libgcc-s-objects), $(libgcc-eh-objects))
+	($(libgcov-objects), $(libunwind-objects), $(libunwind-s-objects))
+	($(extra-parts)): Depend on libgcc_tm.h.
+	* config.host (tm_defines, tm_file): New variable.
+	(arm*-*-linux*): Set tm_file for arm*-*-linux-*eabi.
+	(arm*-*-uclinux*): Set tm_file for arm*-*-uclinux*eabi.
+	(arm*-*-eabi*, arm*-*-symbianelf*): Set tm_file.
+	(avr-*-rtems*): Likewise.
+	(avr-*-*): Likewise.
+	(frv-*-elf): Likewise.
+	(frv-*-*linux*): Likewise.
+	(h8300-*-rtems*): Likewise.
+	(h8300-*-elf*): Likewise.
+	(i[34567]86-*-darwin*): Likewise.
+	(x86_64-*-darwin*): Likewise.
+	(rx-*-elf): Likewise.
+	(tic6x-*-uclinux): Likewise.
+	(tic6x-*-elf): Likewise.
+	(i[34567]86-*-linux*, x86_64-*-linux*): Likewise.
+	* config/alpha/gthr-posix.c: Include libgcc_tm.h.
+	* config/i386/cygming-crtbegin.c: Likewise.
+	* config/i386/cygming-crtend.c: Likewise.
+	* config/ia64/fde-vms.c: Likewise.
+	* config/ia64/unwind-ia64.c: Likewise.
+	* config/libbid/bid_gcc_intrinsics.h: Likewise.
+	* config/rs6000/darwin-fallback.c: Likewise.
+	* config/stormy16/lib2funcs.c: Likewise.
+	* config/xtensa/unwind-dw2-xtensa.c: Likewise.
+	* crtstuff.c: Likewise.
+	* dfp-bit.h: Likewise.
+	* emutls.c: Likewise.
+	* fixed-bit.c: Likewise.
+	* fp-bit.c: Likewise.
+	* generic-morestack-thread.c: Likewise.
+	* generic-morestack.c: Likewise.
+	* libgcc2.c: Likewise.
+	* libgcov.c: Likewise.
+	* unwind-dw2-fde-dip.c: Likewise.
+	* unwind-dw2-fde.c: Likewise.
+	* unwind-dw2.c: Likewise.
+	* unwind-sjlj.c: Likewise.
+
+2011-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
 	* configure.ac: Include ../config/picflag.m4.
 	(GCC_PICFLAG): Call it.
 	Substitute.
diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in
index c0d496e5f19..2ea6ca69d64 100644
--- a/libgcc/Makefile.in
+++ b/libgcc/Makefile.in
@@ -121,7 +121,7 @@ installcheck:
 .PHONY: all clean
 
 clean:
-	-rm -f config.h stamp-h stmp-ldirs libgcc.map
+	-rm -f config.h libgcc_tm.h stamp-h stmp-ldirs libgcc.map
 	-rm -f *$(objext)
 	-rm -f *.dep
 	-rm -f *.a
@@ -338,6 +338,16 @@ SHLIBUNWIND_INSTALL =
 tmake_file = @tmake_file@
 include $(srcdir)/empty.mk $(tmake_file)
 
+# Collect target defines and headers from config.host.
+libgcc_tm_defines = @tm_defines@
+libgcc_tm_file = @tm_file@
+libgcc_tm.h: libgcc_tm.stamp; @true
+libgcc_tm.stamp:
+	DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \
+		$(srcdir)/mkheader.sh > tmp-libgcc_tm.h
+	$(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h
+	echo timestamp > $@
+
 # Only handle shared libraries if both:
 #   - the user requested them
 #   - we know how to build them
@@ -984,6 +994,11 @@ libgcc-extra-parts: $(EXTRA_PARTS)
 
 all: $(extra-parts)
 
+$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \
+	$(libgcov-objects) \
+	$(libunwind-objects) $(libunwind-s-objects) \
+	$(extra-parts): libgcc_tm.h
+
 install-unwind_h:
 	dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \
 	cp unwind.h $$dest; \
diff --git a/libgcc/config.host b/libgcc/config.host
index c4f445faa57..05f084b70a0 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -60,6 +60,11 @@
 #  tmake_file		A list of machine-description-specific
 #			makefile-fragments, if different from
 #			"$cpu_type/t-$cpu_type".
+#  tm_defines		List of target macros to define for all compilations.
+#  tm_file		A list of target macro files used only for code
+#			built for the target, not the host.  These files
+#			are relative to $srcdir/config and must not have
+#			the same names as files in $srcdir/../gcc/config.
 #  unwind_header	The name of the header file declaring the unwind
 #			runtime interface routines.
 
@@ -67,6 +72,8 @@ asm_hidden_op=.hidden
 enable_execute_stack=
 extra_parts=
 tmake_file=
+tm_file=
+tm_define=
 md_unwind_header=no-unwind.h
 unwind_header=unwind-generic.h
 
@@ -329,6 +336,7 @@ arm*-*-linux*)			# ARM GNU/Linux with ELF
 	case ${host} in
 	arm*-*-linux-*eabi)
 	  tmake_file="${tmake_file} arm/t-elf arm/t-bpabi arm/t-linux-eabi t-slibgcc-libgcc"
+	  tm_file="$tm_file arm/bpabi-lib.h"
 	  unwind_header=config/arm/unwind-arm.h
 	  ;;
 	*)
@@ -342,6 +350,7 @@ arm*-*-uclinux*)		# ARM ucLinux
 	case ${host} in
 	arm*-*-uclinux*eabi)
 	  tmake_file="${tmake_file} arm/t-bpabi"
+	  tm_file="$tm_file arm/bpabi-lib.h"
 	  unwind_header=config/arm/unwind-arm.h
 	  ;;
 	esac
@@ -354,6 +363,7 @@ arm*-*-ecos-elf)
 	;;
 arm*-*-eabi* | arm*-*-symbianelf* )
 	tmake_file="${tmake_file} arm/t-arm arm/t-elf t-fixedpoint-gnu-prefix"
+	tm_file="$tm_file arm/bpabi-lib.h"
 	case ${host} in
 	arm*-*-eabi*)
 	  tmake_file="${tmake_file} arm/t-bpabi"
@@ -361,6 +371,7 @@ arm*-*-eabi* | arm*-*-symbianelf* )
 	  ;;
 	arm*-*-symbianelf*)
 	  tmake_file="${tmake_file} arm/t-symbian t-slibgcc-nolc-override"
+	  tm_file="$tm_file arm/symbian-lib.h"
 	  # Symbian OS provides its own startup code.
 	  ;;
 	esac
@@ -380,12 +391,14 @@ arm*-wince-pe*)
 	;;
 avr-*-rtems*)
 	tmake_file="$tmake_file avr/t-avr t-fpbit"
+	tm_file="$tm_file avr/avr-lib.h"
 	# Don't use default.
 	extra_parts=
 	;;
 avr-*-*)
 	# Make HImode functions for AVR
 	tmake_file="${cpu_type}/t-avr t-fpbit"
+	tm_file="$tm_file avr/avr-lib.h"
 	;;
 bfin*-elf*)
 	tmake_file="bfin/t-bfin bfin/t-elf bfin/t-crtlibid bfin/t-crtstuff t-fdpbit"
@@ -434,18 +447,22 @@ fr30-*-elf)
 	;;
 frv-*-elf)
 	tmake_file="$tmake_file frv/t-frv t-fdpbit"
+	tm_file="$tm_file frv/frv-abi.h"
 	# Don't use crtbegin.o, crtend.o.
 	extra_parts="frvbegin.o frvend.o"
 	;;
 frv-*-*linux*)
 	tmake_file="$tmake_file frv/t-frv frv/t-linux t-fdpbit"
+	tm_file="$tm_file frv/frv-abi.h"
 	;;
 h8300-*-rtems*)
 	tmake_file="$tmake_file h8300/t-h8300 t-fpbit"
+	tm_file="$tm_file h8300/h8300-lib.h"
 	extra_parts="$extra_parts crti.o crtn.o"
 	;;
 h8300-*-elf*)
 	tmake_file="$tmake_file h8300/t-h8300 t-fpbit"
+	tm_file="$tm_file h8300/h8300-lib.h"
 	extra_parts="$extra_parts crti.o crtn.o"
 	;;
 hppa*64*-*-linux*)
@@ -499,10 +516,12 @@ hppa[12]*-*-hpux11*)
 	;;
 i[34567]86-*-darwin*)
 	tmake_file="$tmake_file i386/t-crtpc i386/t-crtfm"
+	tm_file="$tm_file i386/darwin-lib.h"
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	;;
 x86_64-*-darwin*)
 	tmake_file="$tmake_file i386/t-crtpc i386/t-crtfm"
+	tm_file="$tm_file i386/darwin-lib.h"
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	;;
 i[34567]86-*-elf*)
@@ -907,6 +926,7 @@ rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
 	;;
 rx-*-elf)
 	tmake_file="rx/t-rx t-fdpbit"
+	tm_file="$tm_file rx/rx-abi.h rx/rx-lib.h"
 	;;
 s390-*-linux*)
 	tmake_file="${tmake_file} s390/t-crtstuff s390/t-linux s390/32/t-floattodi"
@@ -1046,11 +1066,13 @@ spu-*-elf*)
 	;;
 tic6x-*-uclinux)
 	tmake_file="${tmake_file} t-softfp-sfdf t-softfp-excl t-softfp c6x/t-elf  c6x/t-uclinux t-crtstuff-pic t-libgcc-pic t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-gnu-prefix"
+	tm_file="$tm_file c6x/c6x-abi.h"
 	extra_parts="crtbeginS.o crtendS.o crti.o crtn.o"
 	unwind_header=config/c6x/unwind-c6x.h
 	;;
 tic6x-*-elf)
 	tmake_file="${tmake_file} t-softfp-sfdf t-softfp-excl t-softfp t-gnu-prefix c6x/t-elf"
+	tm_file="$tm_file c6x/c6x-abi.h"
 	extra_parts="$extra_parts crtbeginS.o crtendS.o crti.o crtn.o"
 	unwind_header=config/c6x/unwind-c6x.h
 	;;
@@ -1127,5 +1149,6 @@ i[34567]86-*-linux* | x86_64-*-linux*)
 	if test "${host_address}" = 64; then
 		tmake_file="${tmake_file} i386/${host_address}/t-softfp-compat"
 	fi
+	tm_file="${tm_file} i386/value-unwind.h"
 	;;
 esac
diff --git a/libgcc/config/alpha/gthr-posix.c b/libgcc/config/alpha/gthr-posix.c
index 4242cd6c110..02681a4371e 100644
--- a/libgcc/config/alpha/gthr-posix.c
+++ b/libgcc/config/alpha/gthr-posix.c
@@ -26,6 +26,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 
 #include "tconfig.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 # define __gthrw_pragma(pragma) _Pragma (#pragma)
 /* Define so we provide weak definitions of functions used by libobjc only.  */
 #define _LIBOBJC_WEAK
diff --git a/libgcc/config/i386/cygming-crtbegin.c b/libgcc/config/i386/cygming-crtbegin.c
index fc36cce257d..b589841fd01 100644
--- a/libgcc/config/i386/cygming-crtbegin.c
+++ b/libgcc/config/i386/cygming-crtbegin.c
@@ -1,5 +1,5 @@
 /* crtbegin object for windows32 targets.
-   Copyright (C) 2007, 2009, 2010  Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010, 2011  Free Software Foundation, Inc.
 
    Contributed by Danny Smith <dannysmith@users.sourceforge.net>
 
@@ -32,6 +32,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "unwind-dw2-fde.h"
 
 #define WIN32_LEAN_AND_MEAN
diff --git a/libgcc/config/i386/cygming-crtend.c b/libgcc/config/i386/cygming-crtend.c
index 8545420b271..ea53c84f6f1 100644
--- a/libgcc/config/i386/cygming-crtend.c
+++ b/libgcc/config/i386/cygming-crtend.c
@@ -1,5 +1,5 @@
 /* crtend object for windows32 targets.
-   Copyright (C) 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
+   Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 
    Contributed by Danny Smith <dannysmith@users.sourceforge.net>
 
@@ -34,6 +34,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "unwind-dw2-fde.h"
 
 #if defined(HAVE_LD_RO_RW_SECTION_MIXING)
diff --git a/libgcc/config/ia64/fde-vms.c b/libgcc/config/ia64/fde-vms.c
index c9ac5d28076..234cb3d6b3b 100644
--- a/libgcc/config/ia64/fde-vms.c
+++ b/libgcc/config/ia64/fde-vms.c
@@ -29,6 +29,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include <stddef.h>
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/libgcc/config/ia64/unwind-ia64.c b/libgcc/config/ia64/unwind-ia64.c
index e9ddfca8864..ca5c2670bf2 100644
--- a/libgcc/config/ia64/unwind-ia64.c
+++ b/libgcc/config/ia64/unwind-ia64.c
@@ -31,6 +31,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "unwind.h"
 #include "unwind-ia64.h"
 #include "unwind-compat.h"
diff --git a/libgcc/config/libbid/bid_gcc_intrinsics.h b/libgcc/config/libbid/bid_gcc_intrinsics.h
index 3f3e1ef1706..70529618c11 100644
--- a/libgcc/config/libbid/bid_gcc_intrinsics.h
+++ b/libgcc/config/libbid/bid_gcc_intrinsics.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2007, 2009, 2010  Free Software Foundation, Inc.
+/* Copyright (C) 2007, 2009, 2010, 2011  Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -29,6 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tconfig.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 #ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
diff --git a/libgcc/config/rs6000/darwin-fallback.c b/libgcc/config/rs6000/darwin-fallback.c
index 4591071ea74..a61ea0b9ca2 100644
--- a/libgcc/config/rs6000/darwin-fallback.c
+++ b/libgcc/config/rs6000/darwin-fallback.c
@@ -1,5 +1,5 @@
 /* Fallback frame-state unwinder for Darwin.
-   Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2007, 2009, 2011 Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -28,6 +28,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "dwarf2.h"
 #include "unwind.h"
 #include "unwind-dw2.h"
diff --git a/libgcc/config/stormy16/lib2funcs.c b/libgcc/config/stormy16/lib2funcs.c
index e3c16435471..a10a9b28119 100644
--- a/libgcc/config/stormy16/lib2funcs.c
+++ b/libgcc/config/stormy16/lib2funcs.c
@@ -4,7 +4,7 @@
    files.  On this glorious day maybe this code can be integrated into
    it too.  */
 
-/* Copyright (C) 2005, 2008, 2009, 2010  Free Software Foundation, Inc.
+/* Copyright (C) 2005, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -31,6 +31,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 #ifdef HAVE_GAS_HIDDEN
 #define ATTRIBUTE_HIDDEN  __attribute__ ((__visibility__ ("hidden")))
diff --git a/libgcc/config/xtensa/unwind-dw2-xtensa.c b/libgcc/config/xtensa/unwind-dw2-xtensa.c
index 54daf7637ce..2ded579929f 100644
--- a/libgcc/config/xtensa/unwind-dw2-xtensa.c
+++ b/libgcc/config/xtensa/unwind-dw2-xtensa.c
@@ -28,6 +28,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "dwarf2.h"
 #include "unwind.h"
 #ifdef __USING_SJLJ_EXCEPTIONS__
diff --git a/libgcc/configure b/libgcc/configure
index 192db62d0c2..63b91b47a55 100644
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -593,6 +593,8 @@ LIBOBJS
 asm_hidden_op
 extra_parts
 cpu_type
+tm_defines
+tm_file
 tmake_file
 sfp_machine_header
 set_use_emutls
@@ -4785,6 +4787,16 @@ done
 tmake_file="${tmake_file_}"
 
 
+# Likewise export definitions for libgcc_tm.h
+tm_file_=
+for f in ${tm_file}
+do
+	tm_file_="${tm_file_} \$(srcdir)/config/$f"
+done
+tm_file="${tm_file_}"
+
+
+
 # Substitute configuration variables
 
 
diff --git a/libgcc/configure.ac b/libgcc/configure.ac
index 0aeede71275..303a95ff54b 100644
--- a/libgcc/configure.ac
+++ b/libgcc/configure.ac
@@ -354,6 +354,16 @@ done
 tmake_file="${tmake_file_}"
 AC_SUBST(tmake_file)
 
+# Likewise export definitions for libgcc_tm.h
+tm_file_=
+for f in ${tm_file}
+do
+	tm_file_="${tm_file_} \$(srcdir)/config/$f"
+done
+tm_file="${tm_file_}"
+AC_SUBST(tm_file)
+AC_SUBST(tm_defines)
+
 # Substitute configuration variables
 AC_SUBST(cpu_type)
 AC_SUBST(extra_parts)
diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
index 010d472765d..66b2cdf2446 100644
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -62,6 +62,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "unwind-dw2-fde.h"
 
 #ifndef FORCE_CODE_SECTION_ALIGN
diff --git a/libgcc/dfp-bit.h b/libgcc/dfp-bit.h
index 45b79086bc9..c97869baca1 100644
--- a/libgcc/dfp-bit.h
+++ b/libgcc/dfp-bit.h
@@ -1,5 +1,5 @@
 /* Header file for dfp-bit.c.
-   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
+   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -33,6 +33,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tconfig.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 #ifndef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE
diff --git a/libgcc/emutls.c b/libgcc/emutls.c
index b7ee3bdfa7c..22ea4403edb 100644
--- a/libgcc/emutls.c
+++ b/libgcc/emutls.c
@@ -1,5 +1,5 @@
 /* TLS emulation.
-   Copyright (C) 2006, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2008, 2009, 2011 Free Software Foundation, Inc.
    Contributed by Jakub Jelinek <jakub@redhat.com>.
 
 This file is part of GCC.
@@ -27,6 +27,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "gthr.h"
 
 typedef unsigned int word __attribute__((mode(word)));
diff --git a/libgcc/fixed-bit.c b/libgcc/fixed-bit.c
index d434d131eec..84e58155ccd 100644
--- a/libgcc/fixed-bit.c
+++ b/libgcc/fixed-bit.c
@@ -1,5 +1,5 @@
 /* This is a software fixed-point library.
-   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2011 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -46,6 +46,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 #ifndef MIN_UNITS_PER_WORD
 #define MIN_UNITS_PER_WORD UNITS_PER_WORD
diff --git a/libgcc/fp-bit.c b/libgcc/fp-bit.c
index de9b3ada5ec..7509f76f71e 100644
--- a/libgcc/fp-bit.c
+++ b/libgcc/fp-bit.c
@@ -37,6 +37,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tconfig.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "fp-bit.h"
 
 /* The following macros can be defined to change the behavior of this file:
diff --git a/libgcc/generic-morestack-thread.c b/libgcc/generic-morestack-thread.c
index 794fdc3dc54..bbe6dd12b5a 100644
--- a/libgcc/generic-morestack-thread.c
+++ b/libgcc/generic-morestack-thread.c
@@ -27,6 +27,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 /* If inhibit_libc is defined, we can not compile this file.  The
    effect is that people will not be able to use -fsplit-stack.  That
diff --git a/libgcc/generic-morestack.c b/libgcc/generic-morestack.c
index 0b660cedd5f..07bc2a66073 100644
--- a/libgcc/generic-morestack.c
+++ b/libgcc/generic-morestack.c
@@ -27,6 +27,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 /* If inhibit_libc is defined, we can not compile this file.  The
    effect is that people will not be able to use -fsplit-stack.  That
diff --git a/libgcc/libgcc2.c b/libgcc/libgcc2.c
index 57c40c5800f..b672bcbdd41 100644
--- a/libgcc/libgcc2.c
+++ b/libgcc/libgcc2.c
@@ -29,6 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 #ifdef HAVE_GAS_HIDDEN
 #define ATTRIBUTE_HIDDEN  __attribute__ ((__visibility__ ("hidden")))
diff --git a/libgcc/libgcov.c b/libgcc/libgcov.c
index b39ef49343f..26370c5948c 100644
--- a/libgcc/libgcov.c
+++ b/libgcc/libgcov.c
@@ -1,7 +1,7 @@
 /* Routines required for instrumenting a program.  */
 /* Compile this one with gcc.  */
 /* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009, 2010
+   2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -29,6 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 
 #if defined(inhibit_libc)
 #define IN_LIBGCOV (-1)
diff --git a/libgcc/mkheader.sh b/libgcc/mkheader.sh
new file mode 100755
index 00000000000..69ea3704901
--- /dev/null
+++ b/libgcc/mkheader.sh
@@ -0,0 +1,41 @@
+#! /bin/sh
+
+# Copyright (C) 2001, 2002, 2006, 2007, 2010, 2011 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/>.  
+
+
+# Print libgcc_tm.h to the standard output.
+# DEFINES and HEADERS are expected to be set in the environment.
+
+# Add multiple inclusion protection guard, part one.
+echo "#ifndef LIBGCC_TM_H"
+echo "#define LIBGCC_TM_H"
+
+# Generate the body of the file
+echo "/* Automatically generated by mkheader.sh.  */"
+for def in $DEFINES; do
+    echo "#ifndef $def" | sed 's/=.*//'
+    echo "# define $def" | sed 's/=/ /'
+    echo "#endif"
+done
+
+for file in $HEADERS; do
+    echo "#include \"$file\""
+done
+
+# Add multiple inclusion protection guard, part two.
+echo "#endif /* LIBGCC_TM_H */"
diff --git a/libgcc/unwind-dw2-fde-dip.c b/libgcc/unwind-dw2-fde-dip.c
index d8e3c0e934b..f57dc8c3925 100644
--- a/libgcc/unwind-dw2-fde-dip.c
+++ b/libgcc/unwind-dw2-fde-dip.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009, 2010
+/* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009, 2010, 2011
    Free Software Foundation, Inc.
    Contributed by Jakub Jelinek <jakub@redhat.com>.
 
@@ -38,6 +38,7 @@
 #endif
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "dwarf2.h"
 #include "unwind.h"
 #define NO_BASE_OF_ENCODED_VALUE
diff --git a/libgcc/unwind-dw2-fde.c b/libgcc/unwind-dw2-fde.c
index 93d427165c4..7a783329f7c 100644
--- a/libgcc/unwind-dw2-fde.c
+++ b/libgcc/unwind-dw2-fde.c
@@ -1,6 +1,6 @@
 /* Subroutines needed for unwinding stack frames for exception handling.  */
 /* Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008,
-   2009, 2010  Free Software Foundation, Inc.
+   2009, 2010, 2011  Free Software Foundation, Inc.
    Contributed by Jason Merrill <jason@cygnus.com>.
 
 This file is part of GCC.
@@ -29,6 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "dwarf2.h"
 #include "unwind.h"
 #define NO_BASE_OF_ENCODED_VALUE
diff --git a/libgcc/unwind-dw2.c b/libgcc/unwind-dw2.c
index 92aa233eb26..475ad00bf52 100644
--- a/libgcc/unwind-dw2.c
+++ b/libgcc/unwind-dw2.c
@@ -27,6 +27,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "dwarf2.h"
 #include "unwind.h"
 #ifdef __USING_SJLJ_EXCEPTIONS__
diff --git a/libgcc/unwind-sjlj.c b/libgcc/unwind-sjlj.c
index c71e79858ee..1fc1c5d3dc9 100644
--- a/libgcc/unwind-sjlj.c
+++ b/libgcc/unwind-sjlj.c
@@ -1,6 +1,6 @@
 /* SJLJ exception handling and frame unwind runtime interface routines.
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006,
-   2009  Free Software Foundation, Inc.
+   2009, 2011 Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -27,6 +27,7 @@
 #include "tsystem.h"
 #include "coretypes.h"
 #include "tm.h"
+#include "libgcc_tm.h"
 #include "unwind.h"
 #include "gthr.h"