Adds support for generating notes in V850 binaries.

bfd	* elf32-v850.c (v850_set_note): New function.  Creates a Renesas
	style note entry.
	(v850_elf_make_note_section): New function.  Creates a note
	section.
	(v850_elf_create_sections): New function.  Create a note section
	if one is not already present.
	(v850_elf_set_note): New function.  Adds a note to a bfd.
	(v850_elf_copy_private_bfd_data): New function.  Copies V850
	notes.
	(v850_elf_merge_notes): New function.  Merges V850 notes.
	(print_v850_note): New function.  Displays a V850 note.
	(v850_elf_print_notes): New function. Displays all notes attached
	to a bfd.
	(v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes.
	(v850_elf_print_private_bfd_data): Call v850_elf_print_notes.
	(v850_elf_fake_sections): Set the type of the V850 note section.
	* bfd-in.h (v850_elf_create_sections): Add prototype.
	(v850_elf_set_note): Add prototype.
	* bfd-in2.h: Regenerate.

binutils* readelf.c (get_machine_flags): Remove deprecated V850 machine
	flags.
	(get_v850_section_type_name): New function.  Handles V850 special
	sections.
	(get_section_type_name): Add support for V850.
	(get_v850_elf_note_type): New function.  Returns the name of a
	V850 note.
	(print_v850_note): New function.  Prints a V850 note.
	(process_v850_notes): New function.  Prints V850 notes.
	(process_note_sections): Add support for V850.

binutils/testsute
	* binutils-all/objcopy.exp: Skip the strip-10 test for the V850.

gas	* config/tc-v850.c (soft_float): New variable.
	(v850_data_8): New variable.
	(md_show_usage): Add -msoft-float/-mhard-float.
	(md_parse_option): Likewise.
	(md_begin): Set the default value of soft_float.
	(v850_md_end): New function.  Creates a note section.
	* config/tc-v850.h (md_end): Define.
	* doc/c-v850.texi: Document -msoft-float/-mhard-float.

gas/testsuite
	* gas/elf/elf.exp: Add special version of the section2 test for
	the V850.
	* gas/elf/section2.e-v850: New file.

include/elf
	* v850.h (EF_RH850_SIMD): Delete deprecated flag.
	(EF_RH850_CACHE): Likewise.
	(EF_RH850_MMU): Likewise.
	(EF_RH850_DATA_ALIGN8): Likewise.
	(SHT_RENESAS_IOP): Fix typo in name.
	(SHT_RENESAS_INFO): Define.
	(V850_NOTE_SECNAME): Define.
	(SIZEOF_V850_NOTE): Define.
	(V850_NOTE_NAME): Define.
	(enum v850_notes): New enum.
	(NUM_V850_NOTES): Define.

ld/ChangeLog
2015-02-24  Nick Clifton  <nickc@redhat.com>

	* Makefile.am (ev850.c): Add dependency upon
	$(srcdir)/emultempl/v850elf.em.
	(ev850_rh850.c): Likewise.
	* Makefile.in: Regenerate.
	* emultempl/v850elf.em: New file.
	* emulparams/v850.sh (EXTRA_EM_FILE): Define.
	* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
	* scripttempl/v850.sc: Add .note.renesas section.
	* scripttempl/v850_rh850.sc: Likewise.

ld/testsuite
	* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.

10 files changed, 82 insertions, 5 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 4db576c..d7c841c 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,15 @@
+2015-02-24  Nick Clifton  <nickc@redhat.com>
+
+	* Makefile.am (ev850.c): Add dependency upon
+	$(srcdir)/emultempl/v850elf.em.
+	(ev850_rh850.c): Likewise.
+	* Makefile.in: Regenerate.
+	* emultempl/v850elf.em: New file.
+	* emulparams/v850.sh (EXTRA_EM_FILE): Define.
+	* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
+	* scripttempl/v850.sc: Add .note.renesas section.
+	* scripttempl/v850_rh850.sc: Likewise.
+
 2015-02-24  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
 
 	* scripttempl/avr.sc: Add new user_signatures region.  Define and
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 11de1c4..58daa41 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -1777,10 +1777,10 @@ etic54xcoff.c: $(srcdir)/emulparams/tic54xcoff.sh \
 etic80coff.c: $(srcdir)/emulparams/tic80coff.sh \
   $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic80coff.sc ${GEN_DEPENDS}
 
-ev850.c: $(srcdir)/emulparams/v850.sh \
+ev850.c: $(srcdir)/emulparams/v850.sh $(srcdir)/emultempl/v850elf.em \
   $(ELF_DEPS) $(srcdir)/scripttempl/v850.sc ${GEN_DEPENDS}
 
-ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh \
+ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh $(srcdir)/emultempl/v850elf.em \
   $(ELF_DEPS) $(srcdir)/scripttempl/v850_rh850.sc ${GEN_DEPENDS}
 
 evanilla.c: $(srcdir)/emulparams/vanilla.sh \
diff --git a/ld/Makefile.in b/ld/Makefile.in
index 9b803d7..83dc7f1 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -3264,10 +3264,10 @@ etic54xcoff.c: $(srcdir)/emulparams/tic54xcoff.sh \
 etic80coff.c: $(srcdir)/emulparams/tic80coff.sh \
   $(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/tic80coff.sc ${GEN_DEPENDS}
 
-ev850.c: $(srcdir)/emulparams/v850.sh \
+ev850.c: $(srcdir)/emulparams/v850.sh $(srcdir)/emultempl/v850elf.em \
   $(ELF_DEPS) $(srcdir)/scripttempl/v850.sc ${GEN_DEPENDS}
 
-ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh \
+ev850_rh850.c: $(srcdir)/emulparams/v850_rh850.sh $(srcdir)/emultempl/v850elf.em \
   $(ELF_DEPS) $(srcdir)/scripttempl/v850_rh850.sc ${GEN_DEPENDS}
 
 evanilla.c: $(srcdir)/emulparams/vanilla.sh \
diff --git a/ld/emulparams/v850.sh b/ld/emulparams/v850.sh
index 96cdc68..c2bdda3 100644
--- a/ld/emulparams/v850.sh
+++ b/ld/emulparams/v850.sh
@@ -1,5 +1,6 @@
 MACHINE=
 SCRIPT_NAME=v850
+EXTRA_EM_FILE=v850elf
 OUTPUT_FORMAT="elf32-v850"
 TEXT_START_ADDR=0x100000
 ZDATA_START_ADDR=0x160
diff --git a/ld/emulparams/v850_rh850.sh b/ld/emulparams/v850_rh850.sh
index 4315d2b..febdad3 100644
--- a/ld/emulparams/v850_rh850.sh
+++ b/ld/emulparams/v850_rh850.sh
@@ -1,5 +1,6 @@
 MACHINE=
 SCRIPT_NAME=v850_rh850
+EXTRA_EM_FILE=v850elf
 OUTPUT_FORMAT="elf32-v850-rh850"
 TEXT_START_ADDR=0x100000
 ZDATA_START_ADDR=0x160
diff --git a/ld/emultempl/v850elf.em b/ld/emultempl/v850elf.em
new file mode 100644
index 0000000..6f9f0d2
--- /dev/null
+++ b/ld/emultempl/v850elf.em
@@ -0,0 +1,54 @@
+# This shell script emits a C file. -*- C -*-
+#   Copyright 2013-2015 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program 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 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# This file is sourced from elf32.em, and defines extra cpu specific
+# features.
+#
+fragment <<EOF
+#include "ldctor.h"
+
+static bfd_boolean
+is_v850_target (void)
+{
+  extern const bfd_target v850_elf32_vec;
+  extern const bfd_target v800_elf32_vec;
+
+  return link_info.output_bfd->xvec == & v850_elf32_vec
+      || link_info.output_bfd->xvec == & v800_elf32_vec;
+}
+
+/* Create our note section.  */
+
+static void
+v850_after_open (void)
+{
+  if (is_v850_target ()
+      && ! link_info.relocatable
+      && link_info.input_bfds != NULL
+      && ! v850_elf_create_sections (& link_info))
+	einfo ("%X%P: can not create note section: %E\n");
+
+  gld${EMULATION_NAME}_after_open ();
+}
+
+EOF
+
+LDEMUL_AFTER_OPEN=v850_after_open
diff --git a/ld/scripttempl/v850.sc b/ld/scripttempl/v850.sc
index d8a873e..ef6c92e 100644
--- a/ld/scripttempl/v850.sc
+++ b/ld/scripttempl/v850.sc
@@ -194,6 +194,8 @@ SECTIONS
   ${RELOCATING+PROVIDE (end = .);}
   ${RELOCATING+PROVIDE (_heap_start = .);}
 
+  .note.renesas 0 : { KEEP(*(.note.renesas)) }  
+
   /* Stabs debugging sections.  */
   .stab 0		: { *(.stab) }
   .stabstr 0		: { *(.stabstr) }
diff --git a/ld/scripttempl/v850_rh850.sc b/ld/scripttempl/v850_rh850.sc
index 63a3937..0316a36 100644
--- a/ld/scripttempl/v850_rh850.sc
+++ b/ld/scripttempl/v850_rh850.sc
@@ -214,6 +214,8 @@ SECTIONS
   ${RELOCATING+PROVIDE (end = .);}
   ${RELOCATING+PROVIDE (_heap_start = .);}
 
+  .note.renesas 0 : { KEEP(*(.note.renesas)) }  
+
   /* Stabs debugging sections.  */
   .stab 0		: { *(.stab) }
   .stabstr 0		: { *(.stabstr) }
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 5883022..869e48f 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2015-02-24  Nick Clifton  <nickc@redhat.com>
+
+	* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
+
 2015-02-24  Alan Modra  <amodra@gmail.com>
 
 	* ld-elf/merge3.s, * ld-elf/merge3.d: New test.
diff --git a/ld/testsuite/ld-elf/extract-symbol-1sec.d b/ld/testsuite/ld-elf/extract-symbol-1sec.d
index 57a5662..35ca898 100644
--- a/ld/testsuite/ld-elf/extract-symbol-1sec.d
+++ b/ld/testsuite/ld-elf/extract-symbol-1sec.d
@@ -3,8 +3,9 @@
 #ld: -Textract-symbol-1.ld
 #objcopy_linked_file: --extract-symbol
 #objdump: --headers
-#xfail: "hppa*-*-*" "rx-*-*"
+#xfail: "hppa*-*-*" "rx-*-*" "v850*-*-*"
 # FAILS on the RX because the linker has to set LMA == VMA for the Renesas loader.
+# FAILS on the V850 because an extra section - .note.renesas - is created.
 #...
 Sections:
  *Idx +Name +Size +VMA +LMA .*