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author | Nick Clifton <nickc@redhat.com> | 1999-05-06 07:07:55 +0000 |
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committer | Nick Clifton <nickc@redhat.com> | 1999-05-06 07:07:55 +0000 |
commit | 87673fab321b3cb56c19740cb1977a019f94aad2 (patch) | |
tree | 8ce8f96c01760aa12cb4bae92e368d814cea4da1 /opcodes | |
parent | a4cb37cb10bee4f1346029a10eadee608a4206b3 (diff) | |
download | gdb-87673fab321b3cb56c19740cb1977a019f94aad2.zip gdb-87673fab321b3cb56c19740cb1977a019f94aad2.tar.gz gdb-87673fab321b3cb56c19740cb1977a019f94aad2.tar.bz2 |
Currently CYGNUS local
Diffstat (limited to 'opcodes')
-rw-r--r-- | opcodes/mcore-dis.c | 250 | ||||
-rw-r--r-- | opcodes/mcore-opc.h | 202 |
2 files changed, 0 insertions, 452 deletions
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 <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, - - - /* 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; -} diff --git a/opcodes/mcore-opc.h b/opcodes/mcore-opc.h deleted file mode 100644 index 606ba84..0000000 --- a/opcodes/mcore-opc.h +++ /dev/null @@ -1,202 +0,0 @@ -/* 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, - 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 }, - { "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 -/* 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 |