Add MMIX support
This commit is contained in:
Nick Clifton
parent
05230a4a29
commit
39374014e7
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@ -1,3 +1,7 @@
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2001-10-30 Hans-Peter Nilsson <hp@bitrange.com>
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* dis-asm.h (print_insn_mmix): Add prototype.
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2001-10-24 Neil Booth <neil@daikokuya.demon.co.uk>
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* include/safe-ctype.h (_sch_isbasic, IS_ISOBASIC): New.
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@ -145,8 +145,7 @@ typedef struct disassemble_info {
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enum bfd_endian display_endian;
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/* Number of octets per incremented target address
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Normally one, but some DSPs have byte sizes of 16 or 32 bits
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*/
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Normally one, but some DSPs have byte sizes of 16 or 32 bits. */
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unsigned int octets_per_byte;
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/* Results from instruction decoders. Not all decoders yet support
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@ -192,41 +191,43 @@ extern int print_insn_h8300h PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_h8300s PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_h8500 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_alpha PARAMS ((bfd_vma, disassemble_info*));
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extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
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extern int print_insn_big_arm PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_arm PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_sparc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_big_a29k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_a29k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_avr PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_d10v PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_d30v PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_fr30 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_hppa PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_i860 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_i960 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_sh PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_shl PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_hppa PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_fr30 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_m32r PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_m88k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mcore PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mmix PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mn10200 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_mn10300 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_ns32k PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_openrisc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_pdp11 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_big_powerpc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_little_powerpc PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_rs6000 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_w65 PARAMS ((bfd_vma, disassemble_info*));
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extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
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extern int print_insn_d10v PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_d30v PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_v850 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_sh PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_shl PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_tic30 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_vax PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_tic54x PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_tic80 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_pj PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_avr PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_s390 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_v850 PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_vax PARAMS ((bfd_vma, disassemble_info*));
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extern int print_insn_w65 PARAMS ((bfd_vma, disassemble_info*));
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extern disassembler_ftype arc_get_disassembler PARAMS ((void *));
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extern disassembler_ftype cris_get_disassembler PARAMS ((bfd *));
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extern void print_arm_disassembler_options PARAMS ((FILE *));
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extern void parse_arm_disassembler_option PARAMS ((char *));
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@ -1,3 +1,7 @@
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2001-10-30 Hans-Peter Nilsson <hp@bitrange.com>
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* mmix.h: New file.
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2001-10-23 Alan Modra <amodra@bigpond.net.au>
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* internal.h: White space changes to keep lines under 80 chars.
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@ -0,0 +1,151 @@
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/* MMIX support for BFD.
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Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* This file holds definitions specific to the MMIX ELF ABI. */
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#ifndef ELF_MMIX_H
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#define ELF_MMIX_H
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#include "elf/reloc-macros.h"
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/* Relocations. */
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START_RELOC_NUMBERS (elf_mmix_reloc_type)
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RELOC_NUMBER (R_MMIX_NONE, 0)
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/* Standard absolute relocations. */
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RELOC_NUMBER (R_MMIX_8, 1)
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RELOC_NUMBER (R_MMIX_16, 2)
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RELOC_NUMBER (R_MMIX_24, 3)
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RELOC_NUMBER (R_MMIX_32, 4)
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RELOC_NUMBER (R_MMIX_64, 5)
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/* Standard relative relocations. */
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RELOC_NUMBER (R_MMIX_PC_8, 6)
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RELOC_NUMBER (R_MMIX_PC_16, 7)
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RELOC_NUMBER (R_MMIX_PC_24, 8)
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RELOC_NUMBER (R_MMIX_PC_32, 9)
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RELOC_NUMBER (R_MMIX_PC_64, 10)
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/* GNU extensions for C++ vtables. */
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RELOC_NUMBER (R_MMIX_GNU_VTINHERIT, 11)
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RELOC_NUMBER (R_MMIX_GNU_VTENTRY, 12)
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/* A GETA instruction. */
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RELOC_NUMBER (R_MMIX_GETA, 13)
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RELOC_NUMBER (R_MMIX_GETA_1, 14)
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RELOC_NUMBER (R_MMIX_GETA_2, 15)
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RELOC_NUMBER (R_MMIX_GETA_3, 16)
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/* A conditional branch instruction. */
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RELOC_NUMBER (R_MMIX_CBRANCH, 17)
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RELOC_NUMBER (R_MMIX_CBRANCH_J, 18)
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RELOC_NUMBER (R_MMIX_CBRANCH_1, 19)
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RELOC_NUMBER (R_MMIX_CBRANCH_2, 20)
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RELOC_NUMBER (R_MMIX_CBRANCH_3, 21)
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/* A PUSHJ instruction. */
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RELOC_NUMBER (R_MMIX_PUSHJ, 22)
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RELOC_NUMBER (R_MMIX_PUSHJ_1, 23)
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RELOC_NUMBER (R_MMIX_PUSHJ_2, 24)
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RELOC_NUMBER (R_MMIX_PUSHJ_3, 25)
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/* A JMP instruction. */
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RELOC_NUMBER (R_MMIX_JMP, 26)
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RELOC_NUMBER (R_MMIX_JMP_1, 27)
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RELOC_NUMBER (R_MMIX_JMP_2, 28)
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RELOC_NUMBER (R_MMIX_JMP_3, 29)
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/* A relative address such as in a GETA or a branch. */
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RELOC_NUMBER (R_MMIX_ADDR19, 30)
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/* A relative address such as in a JMP (only). */
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RELOC_NUMBER (R_MMIX_ADDR27, 31)
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/* A general register or a number 0..255. */
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RELOC_NUMBER (R_MMIX_REG_OR_BYTE, 32)
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/* A general register. */
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RELOC_NUMBER (R_MMIX_REG, 33)
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/* A global register and an offset, equivalent of the expression. */
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RELOC_NUMBER (R_MMIX_BASE_PLUS_OFFSET, 34)
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/* A LOCAL assertion. */
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RELOC_NUMBER (R_MMIX_LOCAL, 35)
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END_RELOC_NUMBERS (R_MMIX_max)
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/* Section Attributes. */
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/* A section containing necessary information for relaxation. */
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#define SHF_MMIX_CANRELAX 0x80000000
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/* Symbol attributes. */
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/* A symbol with this section-index is a register. */
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#define SHN_REGISTER SHN_LOPROC
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/* This section holds contents for each initialized register, at VMA
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regno*8. A symbol relative to this section will be transformed to an
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absolute symbol with the value corresponding to the register number at
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final link time. A symbol with a value outside the inclusive range
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32*8 .. 254*8 is an error. It is highly recommended to only use an
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upper bound of 253*8 or lower as specified in the (currently
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unspecified) ABI. */
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#define MMIX_REG_CONTENTS_SECTION_NAME ".MMIX.reg_contents"
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/* This is a faked section holding symbols with SHN_REGISTER. Don't
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confuse it with MMIX_REG_CONTENTS_SECTION_NAME; this one has no
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contents, just values. It is an error for a value in this section to
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be outside the range 32..255 and it must never become an actual section
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in an object file. */
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#define MMIX_REG_SECTION_NAME "*REG*"
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/* Appended with a number N=0..65535, this is a representation of the
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mmixal "BSPEC N" ... "ESPEC" directive pair; the contents go into an
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ELF section by name ".MMIX.spec_data.N". */
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#define MMIX_OTHER_SPEC_SECTION_PREFIX ".MMIX.spec_data."
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/* A section SECNAME is noted to start at "__.MMIX.start.SECNAME" by the
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presence of this symbol. Currently only implemented for ".text"
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through the symbol "__.MMIX.start..text". */
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#define MMIX_LOC_SECTION_START_SYMBOL_PREFIX "__.MMIX.start."
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/* This symbol is always a function. */
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#define MMIX_START_SYMBOL_NAME "Main"
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/* We smuggle in a few MMO specifics here. We don't make a specific MMO
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file, since we can't reasonably support MMO without ELF; we have to
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include this file anyway. */
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#define MMO_TEXT_SECTION_NAME ".text"
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#define MMO_DATA_SECTION_NAME ".data"
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/* A definition for the flags we put in spec data in files. A copy of our
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own of some flags to keep immune to BFD flag changes. See section.c of
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2001-07-18 for flag documentation. */
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#define MMO_SEC_ALLOC 0x001
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#define MMO_SEC_LOAD 0x002
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#define MMO_SEC_RELOC 0x004
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#define MMO_SEC_READONLY 0x010
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#define MMO_SEC_CODE 0x020
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#define MMO_SEC_DATA 0x040
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#define MMO_SEC_NEVER_LOAD 0x400
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#define MMO_SEC_IS_COMMON 0x8000
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#define MMO_SEC_DEBUGGING 0x10000
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#endif /* ELF_MMIX_H */
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@ -1,3 +1,7 @@
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2001-10-30 Hans-Peter Nilsson <hp@bitrange.com>
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* mmix.h: New file.
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2001-10-18 Chris Demetriou <cgd@broadcom.com>
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* mips.h (OPCODE_IS_MEMBER): Add a no-op term to the end
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@ -0,0 +1,185 @@
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/* mmix.h -- Header file for MMIX opcode table
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Copyright (C) 2001 Free Software Foundation, Inc.
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Written by Hans-Peter Nilsson (hp@bitrange.com)
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This file is part of GDB, GAS, and the GNU binutils.
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GDB, GAS, and the GNU binutils are free software; you can redistribute
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them and/or modify them under the terms of the GNU General Public
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License as published by the Free Software Foundation; either version 2,
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or (at your option) any later version.
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GDB, GAS, and the GNU binutils are distributed in the hope that they
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will be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this file; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* We could have just a char*[] table indexed by the register number, but
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that would not allow for synonyms. The table is terminated with an
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entry with a NULL name. */
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struct mmix_spec_reg
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{
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const char *name;
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unsigned int number;
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};
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/* General indication of the type of instruction. */
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enum mmix_insn_type
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{
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mmix_type_pseudo,
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mmix_type_normal,
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mmix_type_branch,
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mmix_type_condbranch,
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mmix_type_memaccess_octa,
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mmix_type_memaccess_tetra,
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mmix_type_memaccess_wyde,
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mmix_type_memaccess_byte,
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mmix_type_memaccess_block,
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mmix_type_jsr
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};
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/* Type of operands an instruction takes. Use when parsing assembly code
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and disassembling. */
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enum mmix_operands_type
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{
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mmix_operands_none = 0,
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/* All operands are registers: "$X,$Y,$Z". */
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mmix_operands_regs,
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/* "$X,YZ", like SETH. */
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mmix_operands_reg_yz,
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/* The regular "$X,$Y,$Z|Z".
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The Z is optional; if only "$X,$Y" is given, then "$X,$Y,0" is
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assumed. */
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mmix_operands_regs_z_opt,
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/* The regular "$X,$Y,$Z|Z". */
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mmix_operands_regs_z,
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/* "Address"; only JMP. Zero operands allowed unless GNU syntax. */
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mmix_operands_jmp,
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/* "$X|X,$Y,$Z|Z": PUSHGO; like "3", but X can be expressed as an
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integer. */
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mmix_operands_pushgo,
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/* Two registers or a register and a byte, like FLOT, possibly with
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rounding: "$X,$Z|Z" or "$X,ROUND_MODE,$Z|Z". */
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mmix_operands_roundregs_z,
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/* "X,YZ", POP. Unless GNU syntax, zero or one operand is allowed. */
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mmix_operands_pop,
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/* Two registers, possibly with rounding: "$X,$Z" or
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"$X,ROUND_MODE,$Z". */
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mmix_operands_roundregs,
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/* "XYZ", like SYNC. */
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mmix_operands_sync,
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/* "X,$Y,$Z|Z", like SYNCD. */
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mmix_operands_x_regs_z,
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/* "$X,Y,$Z|Z", like NEG and NEGU. The Y field is optional, default 0. */
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mmix_operands_neg,
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/* "$X,Address, like GETA or branches. */
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mmix_operands_regaddr,
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/* "$X|X,Address, like PUSHJ. */
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mmix_operands_pushj,
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/* "$X,spec_reg"; GET. */
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mmix_operands_get,
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/* "spec_reg,$Z|Z"; PUT. */
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mmix_operands_put,
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/* Two registers, "$X,$Y". */
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mmix_operands_set,
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/* "$X,0"; SAVE. */
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mmix_operands_save,
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/* "0,$Z"; UNSAVE. */
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mmix_operands_unsave,
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/* "X,Y,Z"; like SWYM or TRAP. Zero (or 1 if GNU syntax) to three
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operands, interpreted as 0; XYZ; X, YZ and X, Y, Z. */
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mmix_operands_xyz_opt,
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/* Just "Z", like RESUME. Unless GNU syntax, the operand can be omitted
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and will then be assumed zero. */
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mmix_operands_resume,
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/* These are specials to handle that pseudo-directives are specified
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like ordinary insns when being mmixal-compatible. They signify the
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specific pseudo-directive rather than the operands type. */
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/* LOC. */
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mmix_operands_loc,
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/* PREFIX. */
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mmix_operands_prefix,
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/* BYTE. */
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mmix_operands_byte,
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/* WYDE. */
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mmix_operands_wyde,
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/* TETRA. */
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mmix_operands_tetra,
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/* OCTA. */
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mmix_operands_octa,
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/* LOCAL. */
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mmix_operands_local,
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/* BSPEC. */
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mmix_operands_bspec,
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/* ESPEC. */
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mmix_operands_espec,
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};
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struct mmix_opcode
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{
|
||||
const char *name;
|
||||
unsigned long match;
|
||||
unsigned long lose;
|
||||
enum mmix_operands_type operands;
|
||||
|
||||
/* This is used by the disassembly function. */
|
||||
enum mmix_insn_type type;
|
||||
};
|
||||
|
||||
/* Declare the actual tables. */
|
||||
extern const struct mmix_opcode mmix_opcodes[];
|
||||
|
||||
/* This one is terminated with an entry with a NULL name. */
|
||||
extern const struct mmix_spec_reg mmix_spec_regs[];
|
||||
|
||||
/* Some insn values we use when padding and synthesizing address loads. */
|
||||
#define IMM_OFFSET_BIT 1
|
||||
#define COND_INV_BIT 0x8
|
||||
#define PRED_INV_BIT 0x10
|
||||
|
||||
#define PUSHGO_INSN_BYTE 0xbe
|
||||
#define GO_INSN_BYTE 0x9e
|
||||
#define SETL_INSN_BYTE 0xe3
|
||||
#define INCML_INSN_BYTE 0xe6
|
||||
#define INCMH_INSN_BYTE 0xe5
|
||||
#define INCH_INSN_BYTE 0xe4
|
||||
#define SWYM_INSN_BYTE 0xfd
|
||||
|
||||
/* We can have 256 - 32 (local registers) - 1 ($255 is not allocatable)
|
||||
global registers. */
|
||||
#define MAX_GREGS 223
|
||||
Loading…
Reference in New Issue