diff options
Diffstat (limited to 'opcodes/sh-dis.c')
-rw-r--r-- | opcodes/sh-dis.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/opcodes/sh-dis.c b/opcodes/sh-dis.c deleted file mode 100644 index 8b6efa8a87c..00000000000 --- a/opcodes/sh-dis.c +++ /dev/null @@ -1,303 +0,0 @@ -/* Disassemble SH instructions. - Copyright (C) 1993, 94, 95, 96, 1997 Free Software Foundation, Inc. - -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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include <stdio.h> -#define STATIC_TABLE -#define DEFINE_TABLE - -#include "sh-opc.h" -#include "dis-asm.h" - -#define LITTLE_BIT 2 - -static int -print_insn_shx (memaddr, info) - bfd_vma memaddr; - struct disassemble_info *info; -{ - fprintf_ftype fprintf_fn = info->fprintf_func; - void *stream = info->stream; - unsigned char insn[2]; - unsigned char nibs[4]; - int status; - int relmask = ~0; - sh_opcode_info *op; - - status = info->read_memory_func (memaddr, insn, 2, info); - - if (status != 0) - { - info->memory_error_func (status, memaddr, info); - return -1; - } - - if (info->flags & LITTLE_BIT) - { - nibs[0] = (insn[1] >> 4) & 0xf; - nibs[1] = insn[1] & 0xf; - - nibs[2] = (insn[0] >> 4) & 0xf; - nibs[3] = insn[0] & 0xf; - } - else - { - nibs[0] = (insn[0] >> 4) & 0xf; - nibs[1] = insn[0] & 0xf; - - nibs[2] = (insn[1] >> 4) & 0xf; - nibs[3] = insn[1] & 0xf; - } - - for (op = sh_table; op->name; op++) - { - int n; - int imm; - int rn; - int rm; - int rb; - - for (n = 0; n < 4; n++) - { - int i = op->nibbles[n]; - - if (i < 16) - { - if (nibs[n] == i) - continue; - goto fail; - } - switch (i) - { - case BRANCH_8: - imm = (nibs[2] << 4) | (nibs[3]); - if (imm & 0x80) - imm |= ~0xff; - imm = ((char)imm) * 2 + 4 ; - goto ok; - case BRANCH_12: - imm = ((nibs[1]) << 8) | (nibs[2] << 4) | (nibs[3]); - if (imm & 0x800) - imm |= ~0xfff; - imm = imm * 2 + 4; - goto ok; - case IMM_4: - imm = nibs[3]; - goto ok; - case IMM_4BY2: - imm = nibs[3] <<1; - goto ok; - case IMM_4BY4: - imm = nibs[3] <<2; - goto ok; - case IMM_8: - imm = (nibs[2] << 4) | nibs[3]; - goto ok; - case PCRELIMM_8BY2: - imm = ((nibs[2] << 4) | nibs[3]) <<1; - relmask = ~1; - goto ok; - case PCRELIMM_8BY4: - imm = ((nibs[2] << 4) | nibs[3]) <<2; - relmask = ~3; - goto ok; - case IMM_8BY2: - imm = ((nibs[2] << 4) | nibs[3]) <<1; - goto ok; - case IMM_8BY4: - imm = ((nibs[2] << 4) | nibs[3]) <<2; - goto ok; - case DISP_8: - imm = (nibs[2] << 4) | (nibs[3]); - goto ok; - case DISP_4: - imm = nibs[3]; - goto ok; - case REG_N: - rn = nibs[n]; - break; - case REG_M: - rm = nibs[n]; - break; - case REG_B: - rb = nibs[n] & 0x07; - break; - default: - abort(); - } - } - - ok: - fprintf_fn (stream,"%s\t", op->name); - for (n = 0; n < 3 && op->arg[n] != A_END; n++) - { - if (n && op->arg[1] != A_END) - fprintf_fn (stream, ","); - switch (op->arg[n]) - { - case A_IMM: - fprintf_fn (stream, "#%d", (char)(imm)); - break; - case A_R0: - fprintf_fn (stream, "r0"); - break; - case A_REG_N: - fprintf_fn (stream, "r%d", rn); - break; - case A_INC_N: - fprintf_fn (stream, "@r%d+", rn); - break; - case A_DEC_N: - fprintf_fn (stream, "@-r%d", rn); - break; - case A_IND_N: - fprintf_fn (stream, "@r%d", rn); - break; - case A_DISP_REG_N: - fprintf_fn (stream, "@(%d,r%d)", imm, rn); - break; - case A_REG_M: - fprintf_fn (stream, "r%d", rm); - break; - case A_INC_M: - fprintf_fn (stream, "@r%d+", rm); - break; - case A_DEC_M: - fprintf_fn (stream, "@-r%d", rm); - break; - case A_IND_M: - fprintf_fn (stream, "@r%d", rm); - break; - case A_DISP_REG_M: - fprintf_fn (stream, "@(%d,r%d)", imm, rm); - break; - case A_REG_B: - fprintf_fn (stream, "r%d_bank", rb); - break; - case A_DISP_PC: - fprintf_fn (stream, "0x%0x", imm + 4 + (memaddr & relmask)); - break; - case A_IND_R0_REG_N: - fprintf_fn (stream, "@(r0,r%d)", rn); - break; - case A_IND_R0_REG_M: - fprintf_fn (stream, "@(r0,r%d)", rm); - break; - case A_DISP_GBR: - fprintf_fn (stream, "@(%d,gbr)",imm); - break; - case A_R0_GBR: - fprintf_fn (stream, "@(r0,gbr)"); - break; - case A_BDISP12: - case A_BDISP8: - (*info->print_address_func) (imm + memaddr, info); - break; - case A_SR: - fprintf_fn (stream, "sr"); - break; - case A_GBR: - fprintf_fn (stream, "gbr"); - break; - case A_VBR: - fprintf_fn (stream, "vbr"); - break; - case A_SSR: - fprintf_fn (stream, "ssr"); - break; - case A_SPC: - fprintf_fn (stream, "spc"); - break; - case A_MACH: - fprintf_fn (stream, "mach"); - break; - case A_MACL: - fprintf_fn (stream ,"macl"); - break; - case A_PR: - fprintf_fn (stream, "pr"); - break; - case F_REG_N: - fprintf_fn (stream, "fr%d", rn); - break; - case F_REG_M: - fprintf_fn (stream, "fr%d", rm); - break; - case FPSCR_M: - case FPSCR_N: - fprintf_fn (stream, "fpscr"); - break; - case FPUL_M: - case FPUL_N: - fprintf_fn (stream, "fpul"); - break; - case F_FR0: - fprintf_fn (stream, "fr0"); - break; - default: - abort(); - } - - } - - if (!(info->flags & 1) - && (op->name[0] == 'j' - || (op->name[0] == 'b' - && (op->name[1] == 'r' - || op->name[1] == 's')) - || (op->name[0] == 'r' && op->name[1] == 't') - || (op->name[0] == 'b' && op->name[2] == '.'))) - { - info->flags |= 1; - fprintf_fn (stream, "\t(slot "); - print_insn_shx (memaddr + 2, info); - info->flags &= ~1; - fprintf_fn (stream, ")"); - return 4; - } - - return 2; - fail: - ; - - } - fprintf_fn (stream, ".word 0x%x%x%x%x", nibs[0], nibs[1], nibs[2], nibs[3]); - return 2; -} - -int -print_insn_shl (memaddr, info) - bfd_vma memaddr; - struct disassemble_info *info; -{ - int r; - - info->flags = LITTLE_BIT; - r = print_insn_shx (memaddr, info); - return r; -} - -int -print_insn_sh (memaddr, info) - bfd_vma memaddr; - struct disassemble_info *info; -{ - int r; - - info->flags = 0; - r = print_insn_shx (memaddr, info); - return r; -} |