/* Print Motorola 68k instructions.
- Copyright 1986, 87, 89, 91, 92, 93, 94, 95, 96, 1997
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+#include "sysdep.h"
#include "dis-asm.h"
#include "floatformat.h"
-#include <libiberty.h>
+#include "libiberty.h"
+#include "opintl.h"
#include "opcode/m68k.h"
fetch_arg PARAMS ((unsigned char *, int, int, disassemble_info *));
static void
-print_base PARAMS ((int, bfd_vma, disassemble_info*));
+print_base PARAMS ((int, bfd_vma, disassemble_info *));
static unsigned char *
print_indexed PARAMS ((int, unsigned char *, bfd_vma, disassemble_info *));
print_insn_arg PARAMS ((const char *, unsigned char *, unsigned char *,
bfd_vma, disassemble_info *));
-CONST char * CONST fpcr_names[] = {
- "", "%fpiar", "%fpsr", "%fpiar/%fpsr", "%fpcr",
- "%fpiar/%fpcr", "%fpsr/%fpcr", "%fpiar/%fpsr/%fpcr"};
+const char * const fpcr_names[] = {
+ "", "%fpiar", "%fpsr", "%fpiar/%fpsr", "%fpcr",
+ "%fpiar/%fpcr", "%fpsr/%fpcr", "%fpiar/%fpsr/%fpcr"
+};
static char *const reg_names[] = {
- "%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp",
- "%ps", "%pc"};
+ "%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",
+ "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp",
+ "%ps", "%pc"
+};
/* Sign-extend an (unsigned char). */
#if __STDC__ == 1
-#define COERCE_SIGNED_CHAR(ch) ((signed char)(ch))
+#define COERCE_SIGNED_CHAR(ch) ((signed char) (ch))
#else
-#define COERCE_SIGNED_CHAR(ch) ((int)(((ch) ^ 0x80) & 0xFF) - 128)
+#define COERCE_SIGNED_CHAR(ch) ((int) (((ch) ^ 0x80) & 0xFF) - 128)
#endif
/* Get a 1 byte signed integer. */
COERCE16 ((p[-2] << 8) + p[-1]))
/* Get a 4 byte signed integer. */
-#define COERCE32(x) ((int) (((x) ^ 0x80000000) - 0x80000000))
+#define COERCE32(x) ((bfd_signed_vma) ((x) ^ 0x80000000) - 0x80000000)
#define NEXTLONG(p) \
(p += 4, FETCH_DATA (info, p), \
(COERCE32 ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])))
+/* Get a 4 byte unsigned integer. */
+#define NEXTULONG(p) \
+ (p += 4, FETCH_DATA (info, p), \
+ (unsigned int) ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1]))
+
/* Get a single precision float. */
#define NEXTSINGLE(val, p) \
(p += 4, FETCH_DATA (info, p), \
there should be a special case to handle this... */
#define NEXTPACKED(p) \
(p += 12, FETCH_DATA (info, p), 0.0)
-
\f
/* Maximum length of an instruction. */
#define MAXLEN 22
#include <setjmp.h>
-struct private
-{
+struct private {
/* Points to first byte not fetched. */
bfd_byte *max_fetched;
bfd_byte the_buffer[MAXLEN];
to ADDR (exclusive) are valid. Returns 1 for success, longjmps
on error. */
#define FETCH_DATA(info, addr) \
- ((addr) <= ((struct private *)(info->private_data))->max_fetched \
+ ((addr) <= ((struct private *) (info->private_data))->max_fetched \
? 1 : fetch_data ((info), (addr)))
static int
/* This function is used to print to the bit-bucket. */
static int
#ifdef __STDC__
-dummy_printer (FILE * file, const char * format, ...)
+dummy_printer (FILE *file ATTRIBUTE_UNUSED,
+ const char *format ATTRIBUTE_UNUSED, ...)
#else
-dummy_printer (file) FILE *file;
+dummy_printer (file)
+ FILE *file ATTRIBUTE_UNUSED;
#endif
- { return 0; }
+{
+ return 0;
+}
static void
dummy_print_address (vma, info)
- bfd_vma vma;
- struct disassemble_info *info;
+ bfd_vma vma ATTRIBUTE_UNUSED;
+ struct disassemble_info *info ATTRIBUTE_UNUSED;
{
}
unsigned char *save_p;
register const char *d;
register unsigned long bestmask;
- const struct m68k_opcode *best = 0;
+ const struct m68k_opcode *best;
+ unsigned int arch_mask;
struct private priv;
bfd_byte *buffer = priv.the_buffer;
fprintf_ftype save_printer = info->fprintf_func;
- void (*save_print_address) PARAMS((bfd_vma, struct disassemble_info*))
+ void (*save_print_address) PARAMS ((bfd_vma, struct disassemble_info *))
= info->print_address_func;
int major_opcode;
static int numopcodes[16];
/* Error return. */
return -1;
+ best = NULL;
+ switch (info->mach)
+ {
+ default:
+ case 0:
+ arch_mask = (unsigned int) -1;
+ break;
+ case bfd_mach_m68000:
+ arch_mask = m68000;
+ break;
+ case bfd_mach_m68008:
+ arch_mask = m68008;
+ break;
+ case bfd_mach_m68010:
+ arch_mask = m68010;
+ break;
+ case bfd_mach_m68020:
+ arch_mask = m68020;
+ break;
+ case bfd_mach_m68030:
+ arch_mask = m68030;
+ break;
+ case bfd_mach_m68040:
+ arch_mask = m68040;
+ break;
+ case bfd_mach_m68060:
+ arch_mask = m68060;
+ break;
+ case bfd_mach_mcf5200:
+ arch_mask = mcf5200;
+ break;
+ case bfd_mach_mcf5206e:
+ arch_mask = mcf5206e;
+ break;
+ case bfd_mach_mcf5307:
+ arch_mask = mcf5307;
+ break;
+ case bfd_mach_mcf5407:
+ arch_mask = mcf5407;
+ break;
+ }
+
+ arch_mask |= m68881 | m68851;
+
bestmask = 0;
FETCH_DATA (info, buffer + 2);
major_opcode = (buffer[0] >> 4) & 15;
(FETCH_DATA (info, buffer + 4)
&& ((0xff & buffer[2] & (match >> 8)) == (0xff & (opcode >> 8)))
&& ((0xff & buffer[3] & match) == (0xff & opcode)))
- ))
+ )
+ && (opc->arch & arch_mask) != 0)
{
/* Don't use for printout the variants of divul and divsl
that have the same register number in two places.
}
}
- if (best == 0)
+ if (best == NULL)
goto invalid;
/* Point at first word of argument data,
{
if (d[1] == 'l' && p - buffer < 6)
p = buffer + 6;
- else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8' )
+ else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8')
p = buffer + 4;
}
if ((d[0] == 'L' || d[0] == 'l') && d[1] == 'w' && p - buffer < 4)
save_p = p;
info->print_address_func = dummy_print_address;
- info->fprintf_func = (fprintf_ftype)dummy_printer;
- for ( ; *d; d += 2)
+ info->fprintf_func = (fprintf_ftype) dummy_printer;
+ for (; *d; d += 2)
{
- int eaten = print_insn_arg (d, buffer, p, memaddr + p - buffer, info);
+ int eaten = print_insn_arg (d, buffer, p, memaddr + (p - buffer), info);
if (eaten >= 0)
p += eaten;
else if (eaten == -1)
goto invalid;
else
{
- (*info->fprintf_func)(info->stream,
- "<internal error in opcode table: %s %s>\n",
- best->name,
- best->args);
+ (*info->fprintf_func) (info->stream,
+ /* xgettext:c-format */
+ _("<internal error in opcode table: %s %s>\n"),
+ best->name,
+ best->args);
goto invalid;
}
while (*d)
{
- p += print_insn_arg (d, buffer, p, memaddr + p - buffer, info);
+ p += print_insn_arg (d, buffer, p, memaddr + (p - buffer), info);
d += 2;
if (*d && *(d - 2) != 'I' && *d != 'k')
(*info->fprintf_func) (info->stream, ",");
register int place = d[1];
register unsigned char *p = p0;
int regno;
- register CONST char *regname;
+ register const char *regname;
register unsigned char *p1;
double flval;
int flt_p;
+ bfd_signed_vma disp;
+ unsigned int uval;
switch (*d)
{
(*info->fprintf_func)
(info->stream,
"%s@",
- reg_names [fetch_arg (buffer, place, 3, info) + 8]);
+ reg_names[fetch_arg (buffer, place, 3, info) + 8]);
break;
}
case '_': /* 32-bit absolute address for move16. */
{
- val = NEXTLONG (p);
- (*info->print_address_func) (val, info);
+ uval = NEXTULONG (p);
+ (*info->print_address_func) (uval, info);
break;
}
(*info->fprintf_func) (info->stream, "%%usp");
break;
+ case 'E':
+ (*info->fprintf_func) (info->stream, "%%acc");
+ break;
+
+ case 'G':
+ (*info->fprintf_func) (info->stream, "%%macsr");
+ break;
+
+ case 'H':
+ (*info->fprintf_func) (info->stream, "%%mask");
+ break;
+
case 'J':
{
static const struct { char *name; int value; } names[]
break;
case 'M':
- val = fetch_arg (buffer, place, 8, info);
- if (val & 0x80)
- val = val - 0x100;
- (*info->fprintf_func) (info->stream, "#%d", val);
+ if (place == 'h')
+ {
+ static char *const scalefactor_name[] = { "<<", ">>" };
+ val = fetch_arg (buffer, place, 1, info);
+ (*info->fprintf_func) (info->stream, scalefactor_name[val]);
+ }
+ else
+ {
+ val = fetch_arg (buffer, place, 8, info);
+ if (val & 0x80)
+ val = val - 0x100;
+ (*info->fprintf_func) (info->stream, "#%d", val);
+ }
break;
case 'T':
case 'O':
val = fetch_arg (buffer, place, 6, info);
if (val & 0x20)
- (*info->fprintf_func) (info->stream, "%s", reg_names [val & 7]);
+ (*info->fprintf_func) (info->stream, "%s", reg_names[val & 7]);
else
(*info->fprintf_func) (info->stream, "%d", val);
break;
else if (place == 'C')
{
val = fetch_arg (buffer, place, 7, info);
- if ( val > 63 ) /* This is a signed constant. */
+ if (val > 63) /* This is a signed constant. */
val -= 128;
(*info->fprintf_func) (info->stream, "{#%d}", val);
}
case 'B':
if (place == 'b')
- val = NEXTBYTE (p);
+ disp = NEXTBYTE (p);
else if (place == 'B')
- val = COERCE_SIGNED_CHAR(buffer[1]);
+ disp = COERCE_SIGNED_CHAR (buffer[1]);
else if (place == 'w' || place == 'W')
- val = NEXTWORD (p);
+ disp = NEXTWORD (p);
else if (place == 'l' || place == 'L' || place == 'C')
- val = NEXTLONG (p);
+ disp = NEXTLONG (p);
else if (place == 'g')
{
- val = NEXTBYTE (buffer);
- if (val == 0)
- val = NEXTWORD (p);
- else if (val == -1)
- val = NEXTLONG (p);
+ disp = NEXTBYTE (buffer);
+ if (disp == 0)
+ disp = NEXTWORD (p);
+ else if (disp == -1)
+ disp = NEXTLONG (p);
}
else if (place == 'c')
{
if (buffer[1] & 0x40) /* If bit six is one, long offset */
- val = NEXTLONG (p);
+ disp = NEXTLONG (p);
else
- val = NEXTWORD (p);
+ disp = NEXTWORD (p);
}
else
return -2;
- (*info->print_address_func) (addr + val, info);
+ (*info->print_address_func) (addr + disp, info);
break;
case 'd':
case '|':
case '<':
case '>':
+ case 'm':
+ case 'n':
+ case 'o':
+ case 'p':
+ case 'q':
+ case 'v':
if (place == 'd')
{
break;
case 1:
- val = NEXTLONG (p);
- (*info->print_address_func) (val, info);
+ uval = NEXTULONG (p);
+ (*info->print_address_func) (uval, info);
break;
case 2:
case 4:
flt_p = 1; /* Assume it's a float... */
- switch( place )
+ switch (place)
{
case 'b':
val = NEXTBYTE (p);
break;
case 'f':
- NEXTSINGLE(flval, p);
+ NEXTSINGLE (flval, p);
break;
case 'F':
- NEXTDOUBLE(flval, p);
+ NEXTDOUBLE (flval, p);
break;
case 'x':
- NEXTEXTEND(flval, p);
+ NEXTEXTEND (flval, p);
break;
case 'p':
- flval = NEXTPACKED(p);
+ flval = NEXTPACKED (p);
break;
default:
return -1;
}
- if ( flt_p ) /* Print a float? */
+ if (flt_p) /* Print a float? */
(*info->fprintf_func) (info->stream, "#%g", flval);
else
(*info->fprintf_func) (info->stream, "#%d", val);
else if (fc == 0)
(*info->fprintf_func) (info->stream, "%%sfc");
else
- (*info->fprintf_func) (info->stream, "<function code %d>", fc);
+ /* xgettext:c-format */
+ (*info->fprintf_func) (info->stream, _("<function code %d>"), fc);
}
break;
}
break;
+ case 'u':
+ {
+ short is_upper = 0;
+ int reg = fetch_arg (buffer, place, 5, info);
+
+ if (reg & 0x10)
+ {
+ is_upper = 1;
+ reg &= 0xf;
+ }
+ (*info->fprintf_func) (info->stream, "%s%s",
+ reg_names[reg],
+ is_upper ? "u" : "l");
+ }
+ break;
+
default:
return -2;
}
val = (buffer[1] >> 6);
break;
+ case 'm':
+ val = (buffer[1] & 0x40 ? 0x8 : 0)
+ | ((buffer[0] >> 1) & 0x7)
+ | (buffer[3] & 0x80 ? 0x10 : 0);
+ break;
+
+ case 'n':
+ val = (buffer[1] & 0x40 ? 0x8 : 0) | ((buffer[0] >> 1) & 0x7);
+ break;
+
+ case 'o':
+ val = (buffer[2] >> 4) | (buffer[3] & 0x80 ? 0x10 : 0);
+ break;
+
+ case 'M':
+ val = buffer[1] | (buffer[3] & 0x40 ? 0x10 : 0);
+ break;
+
+ case 'N':
+ val = buffer[3] | (buffer[3] & 0x40 ? 0x10 : 0);
+ break;
+
+ case 'h':
+ val = buffer[2] >> 2;
+ break;
+
default:
abort ();
}
switch (bits)
{
+ case 1:
+ return val & 1;
case 2:
return val & 3;
case 3:
disassemble_info *info;
{
register int word;
- static char *const scales[] = {"", ":2", ":4", ":8"};
+ static char *const scales[] = { "", ":2", ":4", ":8" };
bfd_vma base_disp;
bfd_vma outer_disp;
char buf[40];
if ((word & 0x100) == 0)
{
- word &= 0xff;
- if ((word & 0x80) != 0)
- word -= 0x100;
+ base_disp = word & 0xff;
+ if ((base_disp & 0x80) != 0)
+ base_disp -= 0x100;
if (basereg == -1)
- word += addr;
- print_base (basereg, word, info);
+ base_disp += addr;
+ print_base (basereg, base_disp, info);
(*info->fprintf_func) (info->stream, ",%s)", buf);
return p;
}
projects / deliverable / binutils-gdb.git / blobdiff