--- config.sub	2016-12-01 11:48:25.000000000 +0100
+++ config.sub	2016-12-01 11:48:36.000000000 +0100
@@ -1377,6 +1377,7 @@
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
+        | -mittos64* \
 	      | -sym* | -kopensolaris* | -plan9* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 	      | -aos* | -aros* | -cloudabi* \

--- bfd/config.bfd	2016-12-01 11:52:56.000000000 +0100
+++ bfd/config.bfd	2016-12-01 11:57:59.000000000 +0100
@@ -168,6 +168,18 @@
     ;;
 
 # START OF targmatch.h
+  i[3-7]86-*-mittos64*)
+    targ_defvec=i386_elf32_vec
+    targ_selvecs=
+    targ64_selvecs=x86_64_elf64_vec
+    ;;
+#ifdef BFD64
+  x86_64-*-mittos64*)
+    targ_defvec=x86_64_elf64_vec
+    targ_selvecs=i386_elf32_vec
+    want64=true
+    ;;
+#endif
 #ifdef BFD64
   aarch64-*-elf)
     targ_defvec=aarch64_elf64_le_vec

--- gas/configure.tgt	2016-12-01 12:00:43.000000000 +0100
+++ gas/configure.tgt	2016-12-01 12:02:07.000000000 +0100
@@ -120,6 +120,7 @@
 generic_target=${cpu_type}-$vendor-$os
 # Note: This table is alpha-sorted, please try to keep it that way.
 case ${generic_target} in
+  i386-*-mittos64*)			fmt=elf em=gnu;;
   aarch64*-*-elf)			fmt=elf;;
   aarch64*-*-linux*)			fmt=elf em=linux ;;
 

--- ld/configure.tgt	2016-12-01 12:03:56.000000000 +0100
+++ ld/configure.tgt	2016-12-01 12:09:12.000000000 +0100
@@ -45,6 +45,15 @@
 # architecture variants should be kept together even if their names
 # break the alpha sorting.
 case "${targ}" in
+i[3-7]86-*-mittos64*)
+			targ_emul=elf_i386_mittos64
+			targ_extra_emuls=elf_i386
+			targ64_extra_emuls="elf_x86_64_mittos64 elf_x86_64"
+			;;
+x86_64-*-mittos64*)
+			targ_emul=elf_x86_64_mittos64
+			targ_extra_emuls="elf_i386_mittos64 elf_x86_64 elf_i386"
+			;;
 aarch64_be-*-elf)	targ_emul=aarch64elfb
 			targ_extra_emuls="aarch64elf aarch64elf32 aarch64elf32b armelfb armelf" ;;
 aarch64-*-elf)		targ_emul=aarch64elf

--- /dev/null	2016-12-01 12:13:02.000000000 +0100
+++ ld/emulparams/elf_i386_mittos64.sh	2016-12-01 12:14:00.000000000 +0100
@@ -0,0 +1 @@
+. ${srcdir}/emulparams/elf_i386.sh

--- /dev/null	2016-12-01 12:15:22.000000000 +0100
+++ ld/emulparams/elf_x86_64_mittos64.sh	2016-12-01 12:15:52.000000000 +0100
@@ -0,0 +1 @@
+. ${srcdir}/emulparams/elf_x86_64.sh

--- ld/Makefile.am	2016-12-01 12:22:53.000000000 +0100
+++ ld/Makefile.am	2016-12-01 13:26:20.000000000 +0100
@@ -280,6 +280,7 @@
 	eelf32xstormy16.c \
 	eelf32xtensa.c \
 	eelf_i386.c \
+	eelf_i386_mittos64.c \
 	eelf_i386_be.c \
 	eelf_i386_chaos.c \
 	eelf_i386_fbsd.c \
@@ -496,6 +497,7 @@
 	eelf_k1om.c \
 	eelf_k1om_fbsd.c \
 	eelf_x86_64.c \
+	eelf_x86_64_mittos64.c \
 	eelf_x86_64_cloudabi.c \
 	eelf_x86_64_fbsd.c \
 	eelf_x86_64_nacl.c \
@@ -1295,6 +1297,10 @@
 eelf_i386.c: $(srcdir)/emulparams/elf_i386.sh \
   $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
 
+eelf_i386_mittos64.c: $(srcdir)/emulparams/elf_i386_mittos64.sh \
+  $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+	${GENSCRIPTS} elf_i386_mittos64 "$(tdir_elf_i386_mittos64)"
+
 eelf_i386_be.c: $(srcdir)/emulparams/elf_i386_be.sh \
   $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
 
@@ -1987,6 +1993,10 @@
 eelf_x86_64.c: $(srcdir)/emulparams/elf_x86_64.sh \
   $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
 
+eelf_x86_64_mittos64.c: $(srcdir)/emulparams/elf_x86_64_mittos64.sh \
+  $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+	${GENSCRIPTS} elf_x86_64_mittos64 "$(tdir_elf_x86_64_mittos64)"
+
 eelf_x86_64_cloudabi.c: $(srcdir)/emulparams/elf_x86_64_cloudabi.sh \
   $(srcdir)/emulparams/elf_x86_64.sh \
   $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}