[binutils-gdb] IA16 support

[Andrew Jenner <andrewjenner at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2f5f29cada3c06c9c26f4da5994951effee7d6f7

commit 2f5f29cada3c06c9c26f4da5994951effee7d6f7
Author: Andrew Jenner <andrew@codesourcery.com>
Date:   Mon Apr 3 09:13:19 2017 -0700

    	IA16 support
    
           * config.sub: Handle ia16 in $basic_machine.
    
           bfd/
           * config.bfd: Handle ia16.
    
           gas/
           * configure.tgt: Handle ia16.
    
           ld/
           * configure.tgt: Handle ia16.

Diff:
---
 ChangeLog         | 13 +++++++++++++
 bfd/config.bfd    |  6 ++++++
 config.sub        |  2 +-
 gas/configure.tgt |  3 +++
 ld/configure.tgt  |  1 +
 5 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 8565325..bb87497 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2017-04-03  Andrew Jenner  <andrew@codesourcery.com>
+
+	* config.sub: Handle ia16 in $basic_machine.
+
+	bfd/
+	* config.bfd: Handle ia16.
+
+	gas/
+	* configure.tgt: Handle ia16.
+
+	ld/
+	* configure.tgt: Handle ia16.
+
 2017-03-22  Nick Clifton  <nickc@redhat.com>
 
 	* config.sub: Sync with master version in config project.
diff --git a/bfd/config.bfd b/bfd/config.bfd
index 1235c2c..b00958d 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -173,6 +173,7 @@ fido*)		 targ_archs=bfd_m68k_arch ;;
 hppa*)		 targ_archs=bfd_hppa_arch ;;
 i[3-7]86)	 targ_archs=bfd_i386_arch ;;
 i370)		 targ_archs=bfd_i370_arch ;;
+ia16)		 targ_archs=bfd_i386_arch ;;
 lm32)	         targ_archs=bfd_lm32_arch ;;
 m6811*|m68hc11*) targ_archs="bfd_m68hc11_arch bfd_m68hc12_arch bfd_m9s12x_arch bfd_m9s12xg_arch" ;;
 m6812*|m68hc12*) targ_archs="bfd_m68hc12_arch bfd_m68hc11_arch bfd_m9s12x_arch bfd_m9s12xg_arch" ;;
@@ -906,6 +907,11 @@ case "${targ}" in
     targ_selvecs="icoff_le_vec icoff_be_vec"
     ;;
 
+  ia16-*-elf)
+    targ_defvec=i386_elf32_vec
+    targ_selvecs="i386_msdos_vec i386_aout_vec"
+    ;;
+
   ip2k-*-elf)
     targ_defvec=ip2k_elf32_vec
     ;;
diff --git a/config.sub b/config.sub
index 8ac8a03..b3ed1f0 100755
--- a/config.sub
+++ b/config.sub
@@ -263,7 +263,7 @@ case $basic_machine in
 	| fido | fr30 | frv | ft32 \
 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 	| hexagon \
-	| i370 | i860 | i960 | ia64 \
+	| i370 | i860 | i960 | ia64 | ia16 \
 	| ip2k | iq2000 \
 	| k1om \
 	| le32 | le64 \
diff --git a/gas/configure.tgt b/gas/configure.tgt
index 6000c7c..ca58b69 100644
--- a/gas/configure.tgt
+++ b/gas/configure.tgt
@@ -62,6 +62,7 @@ case ${cpu} in
   fido)			cpu_type=m68k ;;
   hppa*)		cpu_type=hppa ;;
   i[3-7]86)		cpu_type=i386 arch=i386;;
+  ia16)			cpu_type=i386 arch=i386;;
   ia64)			cpu_type=ia64 ;;
   ip2k)			cpu_type=ip2k endian=big ;;
   iq2000)		cpu_type=iq2000 endian=big ;;
@@ -292,6 +293,8 @@ case ${generic_target} in
 
   i960-*-elf*)				fmt=elf ;;
 
+  ia16-*-elf*)				fmt=elf ;;
+
   ia64-*-elf*)				fmt=elf ;;
   ia64-*-*vms*)				fmt=elf em=vms ;;
   ia64-*-aix*)				fmt=elf em=ia64aix ;;
diff --git a/ld/configure.tgt b/ld/configure.tgt
index 8e34b1f..895f0fb 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -408,6 +408,7 @@ i960-*-coff)		targ_emul=gld960coff ;;
 i960-intel-nindy)	targ_emul=gld960 ;;
 i960-*-elf*)		targ_emul=elf32_i960
 			;;
+ia16-*-elf*)		targ_emul=elf_i386 targ_extra_emuls=i386msdos ;;
 ia64-*-elf*)		targ_emul=elf64_ia64 ;;
 ia64-*-freebsd* | ia64-*-kfreebsd*-gnu)
 		        targ_emul=elf64_ia64_fbsd