* m68k-opc.c: Add argument for lpstop. From Olivier Carmona
<olivier.carmona@di.epfl.ch>. * m68k-dis.c (print_insn_m68k): Handle special case of lpstop, which has a two word opcode with a one word argument.
This commit is contained in:
Ian Lance Taylor
parent
70ee56c585
commit
4df3dd02c1
@ -1,3 +1,18 @@
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Mon Dec 1 11:56:50 1997 Ian Lance Taylor <ian@cygnus.com>
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* m68k-opc.c: Add argument for lpstop. From Olivier Carmona
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<olivier.carmona@di.epfl.ch>.
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* m68k-dis.c (print_insn_m68k): Handle special case of lpstop,
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which has a two word opcode with a one word argument.
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start-sanitize-d30v
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Sun Nov 23 22:25:21 1997 Michael Meissner <meissner@cygnus.com>
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* d30v-opc.c (d30v_opcode_table, case cmpu): Immediate field is
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unsigned, not signed.
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(d30v_format_table): Add SHORT_CMPU cases for cmpu.
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end-sanitize-d30v
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start-sanitize-sh4
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Wed Nov 19 17:42:35 1997 Richard Henderson <rth@cygnus.com>
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@ -24,6 +24,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Local function prototypes */
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static int
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fetch_data PARAMS ((struct disassemble_info *, bfd_byte *));
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static void
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dummy_print_address PARAMS ((bfd_vma, struct disassemble_info *));
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static int
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fetch_arg PARAMS ((unsigned char *, int, int, disassemble_info *));
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@ -68,30 +74,20 @@ static char *const reg_names[] = {
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(p += 4, FETCH_DATA (info, p), \
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(COERCE32 ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])))
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/* NEXTSINGLE and NEXTDOUBLE handle alignment problems, but not
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* byte-swapping or other float format differences. FIXME! */
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union number {
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double d;
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float f;
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char c[10];
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};
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/* Get a single precision float. */
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#define NEXTSINGLE(val, p) \
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{ unsigned int i; union number u;\
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FETCH_DATA (info, p + sizeof (float));\
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for (i = 0; i < sizeof(float); i++) u.c[i] = *p++; \
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val = u.f; }
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(p += 4, FETCH_DATA (info, p), \
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floatformat_to_double (&floatformat_ieee_single_big, (char *) p - 4, &val))
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/* Get a double precision float. */
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#define NEXTDOUBLE(val, p) \
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{ unsigned int i; union number u;\
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FETCH_DATA (info, p + sizeof (double));\
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for (i = 0; i < sizeof(double); i++) u.c[i] = *p++; \
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val = u.d; }
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(p += 8, FETCH_DATA (info, p), \
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floatformat_to_double (&floatformat_ieee_double_big, (char *) p - 8, &val))
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/* Need a function to convert from extended to double precision... */
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#define NEXTEXTEND(p) \
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(p += 12, FETCH_DATA (info, p), 0.0)
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/* Get an extended precision float. */
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#define NEXTEXTEND(val, p) \
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(p += 12, FETCH_DATA (info, p), \
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floatformat_to_double (&floatformat_m68881_ext, (char *) p - 12, &val))
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/* Need a function to convert from packed to double
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precision. Actually, it's easier to print a
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@ -154,7 +150,7 @@ dummy_printer (file) FILE *file;
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#endif
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{ return 0; }
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void
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static void
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dummy_print_address (vma, info)
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bfd_vma vma;
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struct disassemble_info *info;
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@ -212,6 +208,11 @@ print_insn_m68k (memaddr, info)
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}
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info->private_data = (PTR) &priv;
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/* Tell objdump to use two bytes per chunk and six bytes per line for
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displaying raw data. */
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info->bytes_per_chunk = 2;
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info->bytes_per_line = 6;
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info->display_endian = BFD_ENDIAN_BIG;
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priv.max_fetched = priv.the_buffer;
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priv.insn_start = memaddr;
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if (setjmp (priv.bailout) != 0)
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@ -323,12 +324,29 @@ print_insn_m68k (memaddr, info)
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break;
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}
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}
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/* Some opcodes like pflusha and lpstop are exceptions; they take no
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arguments but are two words long. Recognize them by looking at
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the lower 16 bits of the mask. */
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/* pflusha is an exceptions. It takes no arguments but is two words
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long. Recognize it by looking at the lower 16 bits of the mask. */
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if (p - buffer < 4 && (best->match & 0xFFFF) != 0)
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p = buffer + 4;
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/* lpstop is another exception. It takes a one word argument but is
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three words long. */
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if (p - buffer < 6
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&& (best->match & 0xffff) == 0xffff
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&& best->args[0] == '#'
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&& best->args[1] == 'w')
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{
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/* Copy the one word argument into the usual location for a one
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word argument, to simplify printing it. We can get away with
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this because we know exactly what the second word is, and we
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aren't going to print anything based on it. */
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p = buffer + 6;
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FETCH_DATA (info, p);
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buffer[2] = buffer[4];
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buffer[3] = buffer[5];
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}
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FETCH_DATA (info, p);
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d = best->args;
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@ -451,7 +469,7 @@ print_insn_arg (d, buffer, p0, addr, info)
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{"%tc", 0x003}, {"%itt0",0x004}, {"%itt1", 0x005},
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{"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
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{"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
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{"%msp", 0x803}, {"%ibsp", 0x804},
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{"%msp", 0x803}, {"%isp", 0x804},
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/* Should we be calling this psr like we do in case 'Y'? */
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{"%mmusr",0x805},
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@ -613,7 +631,7 @@ print_insn_arg (d, buffer, p0, addr, info)
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val = NEXTWORD (p);
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(*info->fprintf_func)
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(info->stream, "%s@(%d)",
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reg_names[fetch_arg (buffer, place, 3, info)], val);
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reg_names[fetch_arg (buffer, place, 3, info) + 8], val);
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break;
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case 's':
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@ -639,7 +657,6 @@ print_insn_arg (d, buffer, p0, addr, info)
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case '?':
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case '/':
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case '&':
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case '`':
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case '|':
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case '<':
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case '>':
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@ -701,7 +718,9 @@ print_insn_arg (d, buffer, p0, addr, info)
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case 2:
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val = NEXTWORD (p);
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(*info->fprintf_func) (info->stream, "%%pc@(");
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(*info->print_address_func) (addr + val, info);
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(*info->fprintf_func) (info->stream, ")");
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break;
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case 3:
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@ -736,10 +755,7 @@ print_insn_arg (d, buffer, p0, addr, info)
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break;
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case 'x':
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FETCH_DATA (info, p + 12);
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floatformat_to_double (&floatformat_m68881_ext,
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(char *) p, &flval);
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p += 12;
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NEXTEXTEND(flval, p);
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break;
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case 'p':
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@ -1233,7 +1233,7 @@ const struct m68k_opcode m68k_opcodes[] =
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{"lea", one(0040700), one(0170700), "!sAd", m68000up | mcf5200 },
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{"lpstop", two(0174000,0000700), two(0177777,0177777), "", cpu32|m68060 },
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{"lpstop", two(0174000,0000700),two(0177777,0177777),"#w", cpu32|m68060 },
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{"linkw", one(0047120), one(0177770), "As#w", m68000up | mcf5200 },
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{"linkl", one(0044010), one(0177770), "As#l", m68020up | cpu32 },
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@ -1799,7 +1799,7 @@ const struct m68k_opcode m68k_opcodes[] =
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#define TBL1(name,signed,round,size) \
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{name, two(0174000, (signed<<11)|(!round<<10)|(size<<6)|0000400), \
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two(0177700,0107777), "`sD1", cpu32 }, \
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two(0177700,0107777), "!sD1", cpu32 }, \
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{name, two(0174000, (signed<<11)|(!round<<10)|(size<<6)), \
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two(0177770,0107770), "DsD3D1", cpu32 }
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#define TBL(name1, name2, name3, s, r) \
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