diff options
author | Nick Clifton <nickc@redhat.com> | 2015-02-24 17:54:09 +0000 |
---|---|---|
committer | Nick Clifton <nickc@redhat.com> | 2015-02-24 17:54:09 +0000 |
commit | 685080f2100373d1a45932521f9a24922a68d68f (patch) | |
tree | 93614fdc798a099c50fd9e40c3268ccdbc44e737 /ld/emultempl | |
parent | 31593e1b96c792abba3c5268d6423975aefa56b2 (diff) | |
download | gdb-685080f2100373d1a45932521f9a24922a68d68f.zip gdb-685080f2100373d1a45932521f9a24922a68d68f.tar.gz gdb-685080f2100373d1a45932521f9a24922a68d68f.tar.bz2 |
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.
Diffstat (limited to 'ld/emultempl')
-rw-r--r-- | ld/emultempl/v850elf.em | 54 |
1 files changed, 54 insertions, 0 deletions
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 |