81b42bcab1
Part 2 adds a relaxation pass, which actually implements the code compression scheme. bfd * archures.c: Add bfd_mach_ft32b. * cpu-ft32.c: Add arch_info_struct. * elf32-ft32.c: Add R_FT32_RELAX, SC0, SC1, DIFF32. (ft32_elf_relocate_section): Add clauses for R_FT32_SC0, SC1, DIFF32. (ft32_reloc_shortable, elf32_ft32_is_diff_reloc, elf32_ft32_adjust_diff_reloc_value, elf32_ft32_adjust_reloc_if_spans_insn, elf32_ft32_relax_delete_bytes, elf32_ft32_relax_is_branch_target, ft32_elf_relax_section): New function. * reloc.c: Add BFD_RELOC_FT32_RELAX, SC0, SC1, DIFF32. * bfd-in2.h: Regenerate. * libbfd.h: Regenerate. gas * config/tc-ft32.c (md_assemble): add relaxation reloc BFD_RELOC_FT32_RELAX. (md_longopts): Add "norelax" and "no-relax". (md_apply_fix): Add reloc BFD_RELOC_FT32_DIFF32. (relaxable_section, ft32_validate_fix_sub, ft32_force_relocation, ft32_allow_local_subtract): New function. * config/tc-ft32.h: remove unused MD_PCREL_FROM_SECTION. * testsuite/gas/ft32/insnsc.s: New test exercising all FT32B shortcodes. include * elf/ft32.h: Add R_FT32_RELAX, SC0, SC1, DIFF32.
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* ft32 ELF support for BFD.
|
|
Copyright (C) 2009-2017 Free Software Foundation, Inc.
|
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
|
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. */
|
|
|
|
#ifndef _ELF_FT32_H
|
|
#define _ELF_FT32_H
|
|
|
|
#include "elf/reloc-macros.h"
|
|
|
|
/* Relocation types. */
|
|
START_RELOC_NUMBERS (elf_ft32_reloc_type)
|
|
RELOC_NUMBER (R_FT32_NONE, 0)
|
|
RELOC_NUMBER (R_FT32_32, 1)
|
|
RELOC_NUMBER (R_FT32_16, 2)
|
|
RELOC_NUMBER (R_FT32_8, 3)
|
|
RELOC_NUMBER (R_FT32_10, 4)
|
|
RELOC_NUMBER (R_FT32_20, 5)
|
|
RELOC_NUMBER (R_FT32_17, 6)
|
|
RELOC_NUMBER (R_FT32_18, 7)
|
|
RELOC_NUMBER (R_FT32_RELAX, 8)
|
|
RELOC_NUMBER (R_FT32_SC0, 9)
|
|
RELOC_NUMBER (R_FT32_SC1, 10)
|
|
RELOC_NUMBER (R_FT32_15, 11)
|
|
RELOC_NUMBER (R_FT32_DIFF32, 12)
|
|
END_RELOC_NUMBERS (R_FT32_max)
|
|
|
|
#endif /* _ELF_FT32_H */
|