From 87673fab321b3cb56c19740cb1977a019f94aad2 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Thu, 6 May 1999 07:07:55 +0000 Subject: Currently CYGNUS local --- opcodes/mcore-dis.c | 250 ---------------------------------------------------- 1 file changed, 250 deletions(-) delete mode 100644 opcodes/mcore-dis.c (limited to 'opcodes/mcore-dis.c') diff --git a/opcodes/mcore-dis.c b/opcodes/mcore-dis.c deleted file mode 100644 index 42c1793b..0000000 --- a/opcodes/mcore-dis.c +++ /dev/null @@ -1,250 +0,0 @@ -/* Disassemble Motorolla M*Core instructions. - Copyright (C) 1993, 1999 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include -#define STATIC_TABLE -#define DEFINE_TABLE - -#include "mcore-opc.h" -#include "dis-asm.h" - -/* Mask for each mcore_opclass: */ -static const unsigned short imsk[] = -{ - /* O0 */ 0xFFFF, - /* OT */ 0xFFFC, - /* O1 */ 0xFFF0, - /* OC */ 0xFFE0, - /* O2 */ 0xFF00, - /* X1 */ 0xFFF0, - /* OI */ 0xFE00, - /* OB */ 0xFE00, - - /* OMa */ 0xFFF0, - /* SI */ 0xFE00, - /* I7 */ 0xF800, - /* LS */ 0xF000, - /* BR */ 0xF800, - /* BL */ 0xFF00, - /* LR */ 0xF000, - /* LJ */ 0xFF00, - - /* RM */ 0xFFF0, - /* RQ */ 0xFFF0, - /* JSR */ 0xFFF0, - /* JMP */ 0xFFF0, - /* OBRa*/ 0xFFF0, - /* OBRb*/ 0xFF80, - /* OBRc*/ 0xFF00, - /* OBR2*/ 0xFE00, - - /* O1R1*/ 0xFFF0, - /* OMb */ 0xFF80, - /* OMc */ 0xFF00, - /* SIa */ 0xFE00, - - - /* JC */ 0, /* JC,JU,JL don't appear in object */ - /* JU */ 0, - /* JL */ 0, - /* RSI */ 0, - /* DO21*/ 0, - /* OB2 */ 0 /* OB2 won't appear in object. */ -}; - -static const char * grname[] = -{ - "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" -}; - -static const char X[] = "??"; - -static const char * crname[] = -{ - "psr", "vbr", "epsr", "fpsr", "epc", "fpc", "ss0", "ss1", - "ss2", "ss3", "ss4", "gcr", "gsr", X, X, X, - X, X, X, X, X, X, X, X, - X, X, X, X, X, X, X, X -}; - -static const unsigned isiz[] = { 2, 0, 1, 0 }; - -int -print_insn_mcore (memaddr, info) - bfd_vma memaddr; - struct disassemble_info * info; -{ - unsigned char ibytes[4]; - fprintf_ftype fprintf = info->fprintf_func; - void * stream = info->stream; - unsigned short inst; - mcore_opcode_info * op; - int status; - - status = info->read_memory_func (memaddr, ibytes, 2, info); - - if (status != 0) - { - info->memory_error_func (status, memaddr, info); - return -1; - } - - inst = (ibytes[0] << 8) | ibytes[1]; - - /* Just a linear search of the table. */ - for (op = mcore_table; op->name != 0; op ++) - { - if (op->inst == (inst & imsk[op->opclass])) - break; - } - - if (op->name == 0) - fprintf (stream, ".word 0x%04x", inst); - else - { - const char * name = grname[inst & 0x0F]; - - fprintf (stream, "%s", op->name); - - switch (op->opclass) - { - case O0: break; - case OT: fprintf (stream, "\t%d", inst & 0x3); break; - case O1: - case JMP: - case JSR: fprintf (stream, "\t%s", name); break; - case OC: fprintf (stream, "\t%s, %s", name, crname[(inst >> 4) & 0x1F]); break; - case O1R1: fprintf (stream, "\t%s, r1", name); break; - case O2: fprintf (stream, "\t%s, %s", name, grname[(inst >> 4) & 0xF]); break; - case X1: fprintf (stream, "\tr1, %s", name); break; - case OI: fprintf (stream, "\t%s, %d", name, ((inst >> 4) & 0x1F) + 1); break; - case RM: fprintf (stream, "\t%s-r15, (r0)", name); break; - case RQ: fprintf (stream, "\tr4-r7, (%s)", name); break; - case OB: - case OBRa: - case OBRb: - case OBRc: - case SI: - case SIa: - case OMa: - case OMb: - case OMc: fprintf (stream, "\t%s, %d", name, (inst >> 4) & 0x1F); break; - case I7: fprintf (stream, "\t%s, %d", name, (inst >> 4) & 0x7F); break; - case LS: fprintf (stream, "\t%s, (%s, %d)", grname[(inst >> 8) & 0xF], - name, ((inst >> 4) & 0xF) << isiz[(inst >> 13) & 3]); - break; - - case BR: - { - long val = inst & 0x3FF; - - if (inst & 0x400) - val |= 0xFFFFFC00; - - fprintf (stream, "\t0x%x", memaddr + 2 + (val<<1)); - - if (strcmp (op->name, "bsr") == 0) - { - /* for bsr, we'll try to get a symbol for the target */ - val = memaddr + 2 + (val << 1); - - if (info->print_address_func && val != 0) - { - fprintf (stream, "\t// "); - info->print_address_func (val, info); - } - } - } - break; - - case BL: - { - long val; - val = (inst & 0x000F); - fprintf (stream, "\t%s, 0x%x", - grname[(inst >> 4) & 0xF], memaddr - (val << 1)); - } - break; - - case LR: - { - unsigned long val; - - val = (memaddr + 2 + ((inst & 0xFF) << 2)) & 0xFFFFFFFC; - - status = info->read_memory_func (val, ibytes, 4, info); - if (status != 0) - { - info->memory_error_func (status, memaddr, info); - return -1; - } - - val = (ibytes[0] << 24) | (ibytes[1] << 16) - | (ibytes[2] << 8) | (ibytes[3]); - - /* Removed [] around literal value to match ABI syntax 12/95. */ - fprintf (stream, "\t%s, 0x%X", grname[(inst >> 8) & 0xF], val); - - if (val == 0) - fprintf (stream, "\t// from address pool at 0x%x", - (memaddr + 2 + ((inst & 0xFF) << 2)) & 0xFFFFFFFC); - } - break; - - case LJ: - { - unsigned long val; - - val = (memaddr + 2 + ((inst & 0xFF) << 2)) & 0xFFFFFFFC; - - status = info->read_memory_func (val, ibytes, 4, info); - if (status != 0) - { - info->memory_error_func (status, memaddr, info); - return -1; - } - - val = (ibytes[0] << 24) | (ibytes[1] << 16) - | (ibytes[2] << 8) | (ibytes[3]); - - /* Removed [] around literal value to match ABI syntax 12/95. */ - fprintf (stream, "\t0x%X", val); - /* For jmpi/jsri, we'll try to get a symbol for the target. */ - if (info->print_address_func && val != 0) - { - fprintf (stream, "\t// "); - info->print_address_func (val, info); - } - else - { - fprintf (stream, "\t// from address pool at 0x%x", - (memaddr + 2 + ((inst & 0xFF) << 2)) & 0xFFFFFFFC); - } - } - break; - - default: - /* if the disassembler lags the instruction set */ - fprintf (stream, "\tundecoded operands, inst is 0x%04x", inst); - break; - } - } - - /* Say how many bytes we consumed? */ - return 2; -} -- cgit v1.1