Add support for Zephyr RTOS

TODO: Add ChangeLog

bfd/ChangeLog

@@ -1,3 +1,7 @@
+2021-07-12  Stephanos Ioannidis  <[email protected]>
+
+	* configure.tgt: Add support for Zephyr RTOS.
+
 2020-07-24  Nick Clifton  <[email protected]>
 
 	2.35 Release:

bfd/config.bfd

@@ -229,7 +229,7 @@ case "${targ}" in
     targ_archs="$targ_archs bfd_i386_arch bfd_powerpc_arch bfd_rs6000_arch"
     want64=true
     ;;
-  aarch64-*-elf | aarch64-*-rtems*)
+  aarch64-*-elf | aarch64-*-rtems* | aarch64-*-zephyr*)
     targ_defvec=aarch64_elf64_le_vec
     targ_selvecs="aarch64_elf64_be_vec aarch64_elf32_le_vec aarch64_elf32_be_vec arm_elf32_le_vec arm_elf32_be_vec"
     want64=true
@@ -324,7 +324,7 @@ case "${targ}" in
     targ_selvecs=arc_elf32_le_vec
     ;;
 
-  arc*-*-elf* | arc*-*-linux*)
+  arc*-*-elf* | arc*-*-linux* | arc*-*-zephyr*)
     targ_defvec=arc_elf32_le_vec
     targ_selvecs=arc_elf32_be_vec
     ;;
@@ -384,7 +384,7 @@ case "${targ}" in
     ;;
   arm-*-elf | arm*-*-freebsd* | arm*-*-linux-* | arm*-*-conix* | \
   arm*-*-uclinux* | arm-*-kfreebsd*-gnu | \
-  arm*-*-eabi* | arm-*-rtems* | arm*-*-uclinuxfdpiceabi)
+  arm*-*-eabi* | arm-*-rtems* | arm*-*-uclinuxfdpiceabi | arm*-*-zephyr*)
     targ_defvec=arm_elf32_le_vec
     targ_selvecs="arm_elf32_fdpic_le_vec arm_elf32_be_vec arm_elf32_fdpic_be_vec"
     ;;
@@ -697,6 +697,11 @@ case "${targ}" in
     targ_selvecs=i386_elf32_vec
     want64=true
     ;;
+  x86_64-*-zephyr*)
+    targ_defvec=x86_64_elf64_vec
+    targ_selvecs="x86_64_elf32_vec i386_elf32_vec iamcu_elf32_vec"
+    want64=true
+    ;;
 #endif
   i[3-7]86-*-lynxos*)
     targ_defvec=i386_elf32_vec
@@ -741,6 +746,10 @@ case "${targ}" in
     targ_defvec=i386_elf32_vxworks_vec
     targ_underscore=yes
     ;;
+  i[3-7]86-*-zephyr*)
+    targ_defvec=i386_elf32_vec
+    targ_selvecs=iamcu_elf32_vec
+    ;;
 
   ia16-*-elf)
     targ_defvec=i386_elf32_vec
@@ -877,7 +886,7 @@ case "${targ}" in
     targ_defvec=mips_elf32_le_vec
     targ_selvecs="mips_elf32_be_vec mips_elf64_be_vec mips_elf64_le_vec"
     ;;
-  mips*-*-elf* | mips*-*-rtems* | mips*-*-windiss | mips*-*-none)
+  mips*-*-elf* | mips*-*-rtems* | mips*-*-windiss | mips*-*-none | mips*-*-zephyr*)
     targ_defvec=mips_elf32_be_vec
     targ_selvecs="mips_elf32_le_vec mips_elf64_be_vec mips_elf64_le_vec"
     ;;

gas/ChangeLog

@@ -1,3 +1,7 @@
+2021-07-12  Stephanos Ioannidis  <[email protected]>
+
+	* configure.tgt: Add support for Zephyr RTOS.
+
 2020-07-24  Nick Clifton  <[email protected]>
 
 	2.35 Release:

gas/configure.tgt

@@ -430,6 +430,7 @@ case ${generic_target} in
   *-*-solaris*)				fmt=elf em=solaris ;;
   *-*-aros*)				fmt=elf em=linux ;;
   *-*-vxworks* | *-*-windiss)		fmt=elf em=vxworks ;;
+  *-*-zephyr*)				fmt=elf ;;
 esac
 
 case ${cpu_type} in

ld/ChangeLog

@@ -1,3 +1,7 @@
+2021-07-12  Stephanos Ioannidis  <[email protected]>
+
+	* configure.tgt: Add support for Zephyr RTOS.
+
 2020-07-24  Nick Clifton  <[email protected]>
 
 	2.35 Release:

ld/configure.tgt

@@ -46,7 +46,7 @@ case "${targ}" in
 aarch64_be-*-elf)	targ_emul=aarch64elfb
 			targ_extra_emuls="aarch64elf aarch64elf32 aarch64elf32b armelfb armelf"
 			;;
-aarch64-*-elf | aarch64-*-rtems*)
+aarch64-*-elf | aarch64-*-rtems* | aarch64-*-zephyr*)
 			targ_emul=aarch64elf
 			targ_extra_emuls="aarch64elf32 aarch64elf32b aarch64elfb armelf armelfb"
 			;;
@@ -104,7 +104,8 @@ alpha*-*-*vms*)		targ_emul=alphavms
 			;;
 am33_2.0-*-linux*)	targ_emul=elf32am33lin # mn10300 variant
 			;;
-arc*-*-elf*)		targ_emul=arcelf
+arc*-*-elf* | arc*-*-zephyr*)
+			targ_emul=arcelf
 			targ_extra_emuls="arclinux arclinux_nps arcv2elf arcv2elfx"
 			;;
 arc*-*-linux*)		case "${with_cpu}" in
@@ -148,7 +149,7 @@ arm-*-phoenix*)		targ_emul=armelf
 armeb-*-elf | armeb-*-eabi*)
 			targ_emul=armelfb
 			;;
-arm-*-elf | arm*-*-eabi* | arm-*-rtems*)
+arm-*-elf | arm*-*-eabi* | arm-*-rtems* | arm-*-zephyr*)
 			targ_emul=armelf
 			;;
 arm*-*-symbianelf*)	targ_emul=armsymbian;;
@@ -354,7 +355,7 @@ i[3-7]86-*-netbsdpe*)	targ_emul=i386pe
 i[3-7]86-*-elfiamcu)	targ_emul=elf_iamcu
 			targ_extra_emuls=elf_i386
 			;;
-i[3-7]86-*-elf* | i[3-7]86-*-rtems*)
+i[3-7]86-*-elf* | i[3-7]86-*-rtems* | i[3-7]86-*-zephyr*)
 			targ_emul=elf_i386
 			targ_extra_emuls=elf_iamcu
 			;;
@@ -520,7 +521,7 @@ mips*el-ps2-elf*)	targ_emul=elf32lr5900
 			;;
 mips*el-*-elf*)		targ_emul=elf32elmip
 			;;
-mips*-*-elf* | mips*-*-rtems*)
+mips*-*-elf* | mips*-*-rtems* | mips*-*-zephyr*)
 			targ_emul=elf32ebmip
 			;;
 mips*el-*-vxworks*)	targ_emul=elf32elmipvxworks
@@ -954,7 +955,7 @@ x86_64-*-netbsd* | x86_64-*-openbsd*)
 					sed -e 's/netbsd/netbsdelf/'`;;
 			esac
 			;;
-x86_64-*-elf* | x86_64-*-rtems* | x86_64-*-fuchsia*)
+x86_64-*-elf* | x86_64-*-rtems* | x86_64-*-fuchsia* | x86_64-*-zephyr*)
 			targ_emul=elf_x86_64
 			targ_extra_emuls="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"
 			targ_extra_libpath="elf_i386 elf_iamcu elf32_x86_64 elf_l1om elf_k1om"