--- /dev/null
+/* 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 <stdio.h>
+#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,
+
+/* start-sanitize-m340 */
+ /* MULSH */ 0xFF00,
+/* end-sanitize-m340 */
+
+ /* 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;
+
+ info->bytes_per_chunk = 2;
+
+ status = info->read_memory_func (memaddr, ibytes, 2, info);
+
+ if (status != 0)
+ {
+ info->memory_error_func (status, memaddr, info);
+ return -1;
+ }
+
+/* start-sanitize-m340 */
+ if (info->endian == BFD_ENDIAN_BIG)
+/* end-sanitize-m340 */
+ inst = (ibytes[0] << 8) | ibytes[1];
+/* start-sanitize-m340 */
+ else if (info->endian == BFD_ENDIAN_LITTLE)
+ inst = (ibytes[1] << 8) | ibytes[0];
+ else
+ abort ();
+/* end-sanitize-m340 */
+
+ /* 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;
+/* start-sanitize-m340 */
+ case MULSH:
+/* end-sanitize-m340 */
+ 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);
+ break;
+ }
+
+/* start-sanitize-m340 */
+ if (info->endian == BFD_ENDIAN_LITTLE)
+ val = (ibytes[3] << 24) | (ibytes[2] << 16)
+ | (ibytes[1] << 8) | (ibytes[0]);
+ else
+/* end-sanitize-m340 */
+ 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);
+ break;
+ }
+
+/* start-sanitize-m340 */
+ if (info->endian == BFD_ENDIAN_LITTLE)
+ val = (ibytes[3] << 24) | (ibytes[2] << 16)
+ | (ibytes[1] << 8) | (ibytes[0]);
+ else
+/* end-sanitize-m340 */
+ 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;
+}
--- /dev/null
+/* Assembler instructions for Motorolla's Mcore processor
+ Copyright (C) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include "ansidecl.h"
+
+typedef enum
+{
+ O0, OT, O1, OC, O2, X1, OI, OB,
+ OMa, SI, I7, LS, BR, BL, LR, LJ,
+ RM, RQ, JSR, JMP, OBRa, OBRb, OBRc, OBR2,
+ O1R1, OMb, OMc, SIa,
+ /* start-sanitize-m340 */
+ MULSH,
+ /* end-sanitize-m340 */
+ JC, JU, JL, RSI, DO21, OB2
+}
+mcore_opclass;
+
+typedef struct inst
+{
+ char * name;
+ mcore_opclass opclass;
+ unsigned char transfer;
+ unsigned short inst;
+}
+mcore_opcode_info;
+
+#ifdef DEFINE_TABLE
+mcore_opcode_info mcore_table[] =
+{
+ { "bkpt", O0, 0, 0x0000 },
+ { "sync", O0, 0, 0x0001 },
+ { "rte", O0, 1, 0x0002 },
+ { "rfe", O0, 1, 0x0002 },
+ { "rfi", O0, 1, 0x0003 },
+ { "stop", O0, 0, 0x0004 },
+ { "wait", O0, 0, 0x0005 },
+ { "doze", O0, 0, 0x0006 },
+ /* start-sanitize-m340 */
+ { "idly4", O0, 0, 0x0007 },
+ /* end-sanitize-m340 */
+ { "trap", OT, 0, 0x0008 },
+/* SPACE: 0x000C - 0x000F */
+/* SPACE: 0x0010 - 0x001F */
+ { "mvc", O1, 0, 0x0020 },
+ { "mvcv", O1, 0, 0x0030 },
+ { "ldq", RQ, 0, 0x0040 },
+ { "stq", RQ, 0, 0x0050 },
+ { "ldm", RM, 0, 0x0060 },
+ { "stm", RM, 0, 0x0070 },
+ { "dect", O1, 0, 0x0080 },
+ { "decf", O1, 0, 0x0090 },
+ { "inct", O1, 0, 0x00A0 },
+ { "incf", O1, 0, 0x00B0 },
+ { "jmp", JMP, 2, 0x00C0 },
+#define MCORE_INST_JMP 0x00C0
+ { "jsr", JSR, 0, 0x00D0 },
+#define MCORE_INST_JSR 0x00E0
+ { "ff1", O1, 0, 0x00E0 },
+ { "brev", O1, 0, 0x00F0 },
+ { "xtrb3", X1, 0, 0x0100 },
+ { "xtrb2", X1, 0, 0x0110 },
+ { "xtrb1", X1, 0, 0x0120 },
+ { "xtrb0", X1, 0, 0x0130 },
+ { "zextb", O1, 0, 0x0140 },
+ { "sextb", O1, 0, 0x0150 },
+ { "zexth", O1, 0, 0x0160 },
+ { "sexth", O1, 0, 0x0170 },
+ { "declt", O1, 0, 0x0180 },
+ { "tstnbz", O1, 0, 0x0190 },
+ { "decgt", O1, 0, 0x01A0 },
+ { "decne", O1, 0, 0x01B0 },
+ { "clrt", O1, 0, 0x01C0 },
+ { "clrf", O1, 0, 0x01D0 },
+ { "abs", O1, 0, 0x01E0 },
+ { "not", O1, 0, 0x01F0 },
+ { "movt", O2, 0, 0x0200 },
+ { "mult", O2, 0, 0x0300 },
+ { "loopt", BL, 0, 0x0400 },
+ { "subu", O2, 0, 0x0500 },
+ { "sub", O2, 0, 0x0500 }, /* Official alias. */
+ { "addc", O2, 0, 0x0600 },
+ { "subc", O2, 0, 0x0700 },
+/* SPACE: 0x0800-0x08ff for a diadic operation */
+/* SPACE: 0x0900-0x09ff for a diadic operation */
+ { "movf", O2, 0, 0x0A00 },
+ { "lsr", O2, 0, 0x0B00 },
+ { "cmphs", O2, 0, 0x0C00 },
+ { "cmplt", O2, 0, 0x0D00 },
+ { "tst", O2, 0, 0x0E00 },
+ { "cmpne", O2, 0, 0x0F00 },
+ { "mfcr", OC, 0, 0x1000 },
+ { "mov", O2, 0, 0x1200 },
+ { "bgenr", O2, 0, 0x1300 },
+ { "rsub", O2, 0, 0x1400 },
+ { "ixw", O2, 0, 0x1500 },
+ { "and", O2, 0, 0x1600 },
+ { "xor", O2, 0, 0x1700 },
+ { "mtcr", OC, 0, 0x1800 },
+ { "asr", O2, 0, 0x1A00 },
+ { "lsl", O2, 0, 0x1B00 },
+ { "addu", O2, 0, 0x1C00 },
+ { "ixh", O2, 0, 0x1D00 },
+ { "or", O2, 0, 0x1E00 },
+ { "andn", O2, 0, 0x1F00 },
+ { "addi", OI, 0, 0x2000 },
+#define MCORE_INST_ADDI 0x2000
+ { "cmplti", OI, 0, 0x2200 },
+ { "subi", OI, 0, 0x2400 },
+/* SPACE: 0x2600-0x27ff open for a register+immediate operation */
+ { "rsubi", OB, 0, 0x2800 },
+ { "cmpnei", OB, 0, 0x2A00 },
+ { "bmaski", OMa, 0, 0x2C00 },
+ { "divu", O1R1, 0, 0x2C10 },
+/* SPACE: 0x2c20 - 0x2c7f */
+ { "bmaski", OMb, 0, 0x2C80 },
+ { "bmaski", OMc, 0, 0x2D00 },
+ { "andi", OB, 0, 0x2E00 },
+ { "bclri", OB, 0, 0x3000 },
+/* SPACE: 0x3200 - 0x320f */
+ { "divs", O1R1, 0, 0x3210 },
+/* SPACE: 0x3220 - 0x326f */
+ { "bgeni", OBRa, 0, 0x3270 },
+ { "bgeni", OBRb, 0, 0x3280 },
+ { "bgeni", OBRc, 0, 0x3300 },
+ { "bseti", OB, 0, 0x3400 },
+ { "btsti", OB, 0, 0x3600 },
+ { "xsr", O1, 0, 0x3800 },
+ { "rotli", SIa, 0, 0x3800 },
+ { "asrc", O1, 0, 0x3A00 },
+ { "asri", SIa, 0, 0x3A00 },
+ { "lslc", O1, 0, 0x3C00 },
+ { "lsli", SIa, 0, 0x3C00 },
+ { "lsrc", O1, 0, 0x3E00 },
+ { "lsri", SIa, 0, 0x3E00 },
+/* SPACE: 0x4000 - 0x5fff */
+ { "movi", I7, 0, 0x6000 },
+#define MCORE_INST_BMASKI_ALT 0x6000
+#define MCORE_INST_BGENI_ALT 0x6000
+/* start-sanitize-m340 */
+ { "mulsh", MULSH, 0, 0x6800 },
+ { "muls.h", MULSH, 0, 0x6800 },
+/* end-sanitize-m340 */
+/* SPACE: 0x6900 - 0x6FFF */
+ { "jmpi", LJ, 1, 0x7000 },
+ { "jsri", LJ, 0, 0x7F00 },
+#define MCORE_INST_JMPI 0x7000
+ { "lrw", LR, 0, 0x7000 },
+#define MCORE_INST_JSRI 0x7F00
+ { "ld", LS, 0, 0x8000 },
+ { "ldw", LS, 0, 0x8000 },
+ { "ld.w", LS, 0, 0x8000 },
+ { "st", LS, 0, 0x9000 },
+ { "stw", LS, 0, 0x9000 },
+ { "st.w", LS, 0, 0x9000 },
+ { "ldb", LS, 0, 0xA000 },
+ { "ld.b", LS, 0, 0xA000 },
+ { "stb", LS, 0, 0xB000 },
+ { "st.b", LS, 0, 0xB000 },
+ { "ldh", LS, 0, 0xC000 },
+ { "ld.h", LS, 0, 0xC000 },
+ { "sth", LS, 0, 0xD000 },
+ { "st.h", LS, 0, 0xD000 },
+ { "bt", BR, 0, 0xE000 },
+ { "bf", BR, 0, 0xE800 },
+ { "br", BR, 1, 0xF000 },
+#define MCORE_INST_BR 0xF000
+ { "bsr", BR, 0, 0xF800 },
+#define MCORE_INST_BSR 0xF800
+
+/* The following are relaxable branches */
+ { "jbt", JC, 0, 0xE000 },
+ { "jbf", JC, 0, 0xE800 },
+ { "jbr", JU, 1, 0xF000 },
+ { "jbsr", JL, 0, 0xF800 },
+
+/* The following are aliases for other instructions */
+ { "rts", O0, 2, 0x00CF }, /* jmp r15 */
+ { "rolc", DO21, 0, 0x0600 }, /* addc rd,rd */
+ { "rotlc", DO21, 0, 0x0600 }, /* addc rd,rd */
+ { "setc", O0, 0, 0x0C00 }, /* cmphs r0,r0 */
+ { "clrc", O0, 0, 0x0F00 }, /* cmpne r0,r0 */
+ { "tstle", O1, 0, 0x2200 }, /* cmplti rd,1 */
+ { "cmplei", OB, 0, 0x2200 }, /* cmplei rd,X -> cmplti rd,X+1 */
+ { "neg", O1, 0, 0x2800 }, /* rsubi rd,0 */
+ { "tstne", O1, 0, 0x2A00 }, /* cmpnei rd,0 */
+ { "tstlt", O1, 0, 0x37F0 }, /* btsti rx,31 */
+ { "mclri", OB2, 0, 0x3000 }, /* bclri rx,log2(imm) */
+ { "mgeni", OBR2, 0, 0x3200 }, /* bgeni rx,log2(imm) */
+ { "mseti", OB2, 0, 0x3400 }, /* bseti rx,log2(imm) */
+ { "mtsti", OB2, 0, 0x3600 }, /* btsti rx,log2(imm) */
+ { "rori", RSI, 0, 0x3800 },
+ { "rotri", RSI, 0, 0x3800 },
+ { "nop", O0, 0, 0x1200 }, /* mov r0, r0 */
+ { 0, 0, 0, 0 }
+};
+#endif
projects / binutils-gdb.git / commitdiff