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[PATCH, RX] Add target rx-*-linux

Hello.

I want added rx-*-linux target.
rx-elf is compatible Renesas toolchain. It different standard ELF format.
rx-*-linux have standard ELF format for RX processor.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 34b0465ba4..28439fb20c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2018-07-30  Yoshinori Sato  <ysato@users.sourceforge.jp>
+
+	* config.bfd: Add rx-*-linux.
+	* congigure.ac: Likewise.
+	* elf32-rx.c (rx_linux_object_p): New function.
+	(TARGET_LITTLE_SYM, TARGET_LITTLE_NAME)
+	(elf_backend_object_p, elf32_bed): Define rx-*-linux.
+	* targets.c: Add rx_elf32_linux_le_vec.
+
 2018-07-27  John Darrington  <john@darrington.wattle.id.au>
 
 	* elf32-s12z.c (ELF_TARGET_ID): Don't define.
diff --git a/bfd/config.bfd b/bfd/config.bfd
index 6391f35684..4ab636c62a 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -1196,6 +1196,10 @@ case "${targ}" in
     targ_selvecs="rx_elf32_be_vec rx_elf32_le_vec rx_elf32_be_ns_vec"
     targ_underscore=yes
     ;;
+  rx-*-linux*)
+    targ_defvec=rx_elf32_linux_le_vec
+    targ_selvecs="rx_elf32_linux_le_vec"
+    ;;
 
   s390-*-linux*)
     targ_defvec=s390_elf32_vec
diff --git a/bfd/configure.ac b/bfd/configure.ac
index c6193cd8a4..d18b726a35 100644
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -610,6 +610,7 @@ do
     rx_elf32_be_vec)		 tb="$tb elf32-rx.lo elf32.lo $elf" ;;
     rx_elf32_be_ns_vec)		 tb="$tb elf32-rx.lo elf32.lo $elf" ;;
     rx_elf32_le_vec)		 tb="$tb elf32-rx.lo elf32.lo $elf" ;;
+    rx_elf32_linux_le_vec)	 tb="$tb elf32-rx.lo elf32.lo $elf" ;;
     s390_elf32_vec)		 tb="$tb elf32-s390.lo elf32.lo $elf" ;;
     s390_elf64_vec)		 tb="$tb elf64-s390.lo elf64.lo $elf"; target_size=64 ;;
     score_elf32_be_vec)		 tb="$tb elf32-score.lo elf32-score7.lo elf32.lo $elf"; want64=true; target_size=64 ;;
diff --git a/bfd/elf32-rx.c b/bfd/elf32-rx.c
index 1f70b97a34..ddcf5e980f 100644
--- a/bfd/elf32-rx.c
+++ b/bfd/elf32-rx.c
@@ -3310,6 +3310,14 @@ rx_elf_object_p (bfd * abfd)
 
   return TRUE;
 }
+
+static bfd_boolean
+rx_linux_object_p (bfd * abfd)
+{
+  bfd_default_set_arch_mach (abfd, bfd_arch_rx,
+           elf32_rx_machine (abfd));
+  return TRUE;
+}
  
 
 #ifdef DEBUG
@@ -4059,3 +4067,18 @@ rx_additional_link_map_text (bfd *obfd, struct bfd_link_info *info, FILE *mapfil
 #define elf32_bed				elf32_rx_be_ns_bed
 
 #include "elf32-target.h"
+
+#undef	TARGET_LITTLE_SYM
+#define TARGET_LITTLE_SYM	rx_elf32_linux_le_vec
+#undef  TARGET_LITTLE_NAME
+#define TARGET_LITTLE_NAME	"elf32-rx-linux"
+#undef  TARGET_BIG_SYM
+#undef  TARGET_BIG_NAME
+
+#undef  elf_backend_object_p
+#define elf_backend_object_p			rx_linux_object_p
+#undef  elf_symbol_leading_char
+#undef	elf32_bed
+#define	elf32_bed 				elf32_rx_le_linux_bed
+
+#include "elf32-target.h"
diff --git a/bfd/targets.c b/bfd/targets.c
index 531703d226..019b9002bf 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -775,6 +775,7 @@ extern const bfd_target rs6000_xcoff_vec;
 extern const bfd_target rx_elf32_be_vec;
 extern const bfd_target rx_elf32_be_ns_vec;
 extern const bfd_target rx_elf32_le_vec;
+extern const bfd_target rx_elf32_linux_le_vec;
 extern const bfd_target s390_elf32_vec;
 extern const bfd_target s390_elf64_vec;
 extern const bfd_target score_elf32_be_vec;
diff --git a/gas/ChangeLog b/gas/ChangeLog
index f2a0c6a408..5077609109 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2018-07-30  Yoshinori Sato  <ysato@users.sourceforge.jp>
+
+	* configure.tgt: Add rx-*-linux.
+	* config/tc-rx.h (TARGET_FORMAT): Add "elf32-rx-linux".
+
 2018-07-29  John David Anglin  <danglin@gcc.gnu.org>
 
 	* config/tc-hppa.c: Include "struc-symbol.h".
diff --git a/gas/config/tc-rx.h b/gas/config/tc-rx.h
index bf1f283d3d..78b2bedc9f 100644
--- a/gas/config/tc-rx.h
+++ b/gas/config/tc-rx.h
@@ -31,7 +31,11 @@ extern int target_big_endian;
 /* Instruction bytes are big endian, data bytes can be either.  */
 #define TARGET_BYTES_BIG_ENDIAN 0
 
+#ifndef TE_LINUX
 #define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le")
+#else
+#define TARGET_FORMAT "elf32-rx-linux"
+#endif
 
 /* We don't need to handle .word strangely.  */
 #define WORKING_DOT_WORD
diff --git a/gas/configure.tgt b/gas/configure.tgt
index 6df7dea31f..1122430104 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -361,6 +361,8 @@ case ${generic_target} in
 
   riscv*-*-*)				fmt=elf endian=little ;;
 
+  rx-*-linux*)				fmt=elf em=linux ;;
+
   s390-*-linux-*)			fmt=elf em=linux ;;
   s390-*-tpf*)				fmt=elf ;;

-- 
Yosinori Sato
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