gdb-3.3

1 files changed, 0 insertions, 824 deletions

diff --git a/gdb/RCS/m68k-pinsn.c,v b/gdb/RCS/m68k-pinsn.c,v
deleted file mode 100644
index d8c7f84..0000000
--- a/gdb/RCS/m68k-pinsn.c,v
+++ /dev/null
@@ -1,824 +0,0 @@
-head     1.2;
-access   ;
-symbols  ;
-locks    ; strict;
-comment  @ * @;
-
-
-1.2
-date     89.03.27.20.19.34;  author gnu;  state Exp;
-branches ;
-next     1.1;
-
-1.1
-date     89.03.20.19.29.33;  author gnu;  state Exp;
-branches ;
-next     ;
-
-
-desc
-@@
-
-
-1.2
-log
-@Change HPUX_ASM to USG_SGS_ASM since it's really the Sys V
-"Software Generation System" that we are fighting here.
-@
-text
-@/* Print m68k instructions for GDB, the GNU debugger.
-   Copyright (C) 1986, 1987 Free Software Foundation, Inc.
-
-GDB is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY.  No author or distributor accepts responsibility to anyone
-for the consequences of using it or for whether it serves any
-particular purpose or works at all, unless he says so in writing.
-Refer to the GDB General Public License for full details.
-
-Everyone is granted permission to copy, modify and redistribute GDB,
-but only under the conditions described in the GDB General Public
-License.  A copy of this license is supposed to have been given to you
-along with GDB so you can know your rights and responsibilities.  It
-should be in a file named COPYING.  Among other things, the copyright
-notice and this notice must be preserved on all copies.
-
-In other words, go ahead and share GDB, but don't try to stop
-anyone else from sharing it farther.  Help stamp out software hoarding!
-*/
-
-#include <stdio.h>
-
-#include "defs.h"
-#include "param.h"
-#include "symtab.h"
-#include "opcode.h"
-
-/* 68k instructions are never longer than this many bytes.  */
-#define MAXLEN 22
-
-/* Number of elements in the opcode table.  */
-#define NOPCODES (sizeof m68k_opcodes / sizeof m68k_opcodes[0])
-
-extern char *reg_names[];
-char *fpcr_names[] = { "", "fpiar", "fpsr", "fpiar/fpsr", "fpcr",
-		     "fpiar/fpcr", "fpsr/fpcr", "fpiar-fpcr"};
-
-static unsigned char *print_insn_arg ();
-static unsigned char *print_indexed ();
-static void print_base ();
-static int fetch_arg ();
-
-#define NEXTBYTE(p)  (p += 2, ((char *)p)[-1])
-
-#define NEXTWORD(p)  \
-  (p += 2, ((((char *)p)[-2]) << 8) + p[-1])
-
-#define NEXTLONG(p)  \
-  (p += 4, (((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])
-
-#define NEXTSINGLE(p) \
-  (p += 4, *((float *)(p - 4)))
-
-#define NEXTDOUBLE(p) \
-  (p += 8, *((double *)(p - 8)))
-
-#define NEXTEXTEND(p) \
-  (p += 12, 0.0)	/* Need a function to convert from extended to double
-			   precision... */
-
-#define NEXTPACKED(p) \
-  (p += 12, 0.0)	/* Need a function to convert from packed to double
-			   precision.   Actually, it's easier to print a
-			   packed number than a double anyway, so maybe
-			   there should be a special case to handle this... */
-
-/* Print the m68k instruction at address MEMADDR in debugged memory,
-   on STREAM.  Returns length of the instruction, in bytes.  */
-
-int
-print_insn (memaddr, stream)
-     CORE_ADDR memaddr;
-     FILE *stream;
-{
-  unsigned char buffer[MAXLEN];
-  register int i;
-  register unsigned char *p;
-  register char *d;
-  register int bestmask;
-  int best;
-
-  read_memory (memaddr, buffer, MAXLEN);
-
-  bestmask = 0;
-  best = -1;
-  for (i = 0; i < NOPCODES; i++)
-    {
-      register unsigned int opcode = m68k_opcodes[i].opcode;
-      register unsigned int match = m68k_opcodes[i].match;
-      if (((0xff & buffer[0] & (match >> 24)) == (0xff & (opcode >> 24)))
-	  && ((0xff & buffer[1] & (match >> 16)) == (0xff & (opcode >> 16)))
-	  && ((0xff & buffer[2] & (match >> 8)) == (0xff & (opcode >> 8)))
-	  && ((0xff & buffer[3] & match) == (0xff & opcode)))
-	{
-	  /* Don't use for printout the variants of divul and divsl
-	     that have the same register number in two places.
-	     The more general variants will match instead.  */
-	  for (d = m68k_opcodes[i].args; *d; d += 2)
-	    if (d[1] == 'D')
-	      break;
-
-	  /* Don't use for printout the variants of most floating
-	     point coprocessor instructions which use the same
-	     register number in two places, as above. */
-	  if (*d == 0)
-	    for (d = m68k_opcodes[i].args; *d; d += 2)
-	      if (d[1] == 't')
-		break;
-
-	  if (*d == 0 && match > bestmask)
-	    {
-	      best = i;
-	      bestmask = match;
-	    }
-	}
-    }
-
-  /* Handle undefined instructions.  */
-  if (best < 0)
-    {
-      fprintf (stream, "0%o", (buffer[0] << 8) + buffer[1]);
-      return 2;
-    }
-
-  fprintf (stream, "%s", m68k_opcodes[best].name);
-
-  /* Point at first word of argument data,
-     and at descriptor for first argument.  */
-  p = buffer + 2;
-  
-  /* Why do this this way? -MelloN */
-  for (d = m68k_opcodes[best].args; *d; d += 2)
-    {
-      if (d[0] == '#')
-	{
-	  if (d[1] == 'l' && p - buffer < 6)
-	    p = buffer + 6;
-	  else if (p - buffer < 4 && d[1] != 'C' && d[1] != '8' )
-	    p = buffer + 4;
-	}
-      if (d[1] >= '1' && d[1] <= '3' && p - buffer < 4)
-	p = buffer + 4;
-      if (d[1] >= '4' && d[1] <= '6' && p - buffer < 6)
-	p = buffer + 6;
-    }
-
-  d = m68k_opcodes[best].args;
-
-  if (*d)
-    fputc (' ', stream);
-
-  while (*d)
-    {
-      p = print_insn_arg (d, buffer, p, memaddr + p - buffer, stream);
-      d += 2;
-      if (*d && *(d - 2) != 'I' && *d != 'k')
-	fprintf (stream, ",");
-    }
-  return p - buffer;
-}
-
-static unsigned char *
-print_insn_arg (d, buffer, p, addr, stream)
-     char *d;
-     unsigned char *buffer;
-     register unsigned char *p;
-     CORE_ADDR addr;		/* PC for this arg to be relative to */
-     FILE *stream;
-{
-  register int val;
-  register int place = d[1];
-  int regno;
-  register char *regname;
-  register unsigned char *p1;
-  register double flval;
-  int flt_p;
-
-  switch (*d)
-    {
-    case 'C':
-      fprintf (stream, "ccr");
-      break;
-
-    case 'S':
-      fprintf (stream, "sr");
-      break;
-
-    case 'U':
-      fprintf (stream, "usp");
-      break;
-
-    case 'J':
-      {
-	static struct { char *name; int value; } names[]
-	  = {{"sfc", 0x000}, {"dfc", 0x001}, {"cacr", 0x002},
-	     {"usp", 0x800}, {"vbr", 0x801}, {"caar", 0x802},
-	     {"msp", 0x803}, {"isp", 0x804}};
-
-	val = fetch_arg (buffer, place, 12);
-	for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--)
-	  if (names[regno].value == val)
-	    {
-	      fprintf (stream, names[regno].name);
-	      break;
-	    }
-	if (regno < 0)
-	  fprintf (stream, "%d", val);
-      }
-      break;
-
-    case 'Q':
-      val = fetch_arg (buffer, place, 3);
-      if (val == 0) val = 8;
-      fprintf (stream, "#%d", val);
-      break;
-
-    case 'M':
-      val = fetch_arg (buffer, place, 8);
-      if (val & 0x80)
-	val = val - 0x100;
-      fprintf (stream, "#%d", val);
-      break;
-
-    case 'T':
-      val = fetch_arg (buffer, place, 4);
-      fprintf (stream, "#%d", val);
-      break;
-
-    case 'D':
-      fprintf (stream, "%s", reg_names[fetch_arg (buffer, place, 3)]);
-      break;
-
-    case 'A':
-      fprintf (stream, "%s", reg_names[fetch_arg (buffer, place, 3) + 010]);
-      break;
-
-    case 'R':
-      fprintf (stream, "%s", reg_names[fetch_arg (buffer, place, 4)]);
-      break;
-
-    case 'F':
-      fprintf (stream, "fp%d", fetch_arg (buffer, place, 3));
-      break;
-
-    case 'O':
-      val = fetch_arg (buffer, place, 6);
-      if (val & 0x20)
-	fprintf (stream, "%s", reg_names [val & 7]);
-      else
-	fprintf (stream, "%d", val);
-      break;
-
-    case '+':
-      fprintf (stream, "(%s)+", reg_names[fetch_arg (buffer, place, 3) + 8]);
-      break;
-
-    case '-':
-      fprintf (stream, "-(%s)", reg_names[fetch_arg (buffer, place, 3) + 8]);
-      break;
-
-    case 'k':
-      if (place == 'k')
-	fprintf (stream, "{%s}", reg_names[fetch_arg (buffer, place, 3)]);
-      else if (place == 'C')
-	{
-	  val = fetch_arg (buffer, place, 7);
-	  if ( val > 63 )		/* This is a signed constant. */
-	    val -= 128;
-	  fprintf (stream, "{#%d}", val);
-	}
-      else
-	error ("Invalid arg format in opcode table: \"%c%c\".",
-	       *d, place);
-      break;
-
-    case '#':
-      p1 = buffer + 2;
-      if (place == 's')
-	val = fetch_arg (buffer, place, 4);
-      else if (place == 'C')
-	val = fetch_arg (buffer, place, 7);
-      else if (place == '8')
-	val = fetch_arg (buffer, place, 3);
-      else if (place == '3')
-	val = fetch_arg (buffer, place, 8);
-      else if (place == 'b')
-	val = NEXTBYTE (p1);
-      else if (place == 'w')
-	val = NEXTWORD (p1);
-      else if (place == 'l')
-	val = NEXTLONG (p1);
-      else
-	error ("Invalid arg format in opcode table: \"%c%c\".",
-	       *d, place);
-      fprintf (stream, "#%d", val);
-      break;
-
-    case '^':
-      if (place == 's')
-	val = fetch_arg (buffer, place, 4);
-      else if (place == 'C')
-	val = fetch_arg (buffer, place, 7);
-      else if (place == '8')
-	val = fetch_arg (buffer, place, 3);
-      else if (place == 'b')
-	val = NEXTBYTE (p);
-      else if (place == 'w')
-	val = NEXTWORD (p);
-      else if (place == 'l')
-	val = NEXTLONG (p);
-      else
-	error ("Invalid arg format in opcode table: \"%c%c\".",
-	       *d, place);
-      fprintf (stream, "#%d", val);
-      break;
-
-    case 'B':
-      if (place == 'b')
-	val = NEXTBYTE (p);
-      else if (place == 'w')
-	val = NEXTWORD (p);
-      else if (place == 'l')
-	val = NEXTLONG (p);
-      else if (place == 'g')
-	{
-	  val = ((char *)buffer)[1];
-	  if (val == 0)
-	    val = NEXTWORD (p);
-	  else if (val == -1)
-	    val = NEXTLONG (p);
-	}
-      else if (place == 'c')
-	{
-	  if (buffer[1] & 0x40)		/* If bit six is one, long offset */
-	    val = NEXTLONG (p);
-	  else
-	    val = NEXTWORD (p);
-	}
-      else
-	error ("Invalid arg format in opcode table: \"%c%c\".",
-	       *d, place);
-
-      print_address (addr + val, stream);
-      break;
-
-    case 'd':
-      val = NEXTWORD (p);
-      fprintf (stream, "%d(%s)", val, reg_names[fetch_arg (buffer, place, 3)]);
-      break;
-
-    case 's':
-      fprintf (stream, "%s", fpcr_names[fetch_arg (buffer, place, 3)]);
-      break;
-
-    case 'I':
-      val = fetch_arg (buffer, 'd', 3);		  /* Get coprocessor ID... */
-      if (val != 1)				/* Unusual coprocessor ID? */
-	fprintf (stream, "(cpid=%d) ", val);
-      if (place == 'i')
-	p += 2;			     /* Skip coprocessor extended operands */
-      break;
-
-    case '*':
-    case '~':
-    case '%':
-    case ';':
-    case '@@':
-    case '!':
-    case '$':
-    case '?':
-    case '/':
-    case '&':
-
-      if (place == 'd')
-	{
-	  val = fetch_arg (buffer, 'x', 6);
-	  val = ((val & 7) << 3) + ((val >> 3) & 7);
-	}
-      else
-	val = fetch_arg (buffer, 's', 6);
-
-      /* Get register number assuming address register.  */
-      regno = (val & 7) + 8;
-      regname = reg_names[regno];
-      switch (val >> 3)
-	{
-	case 0:
-	  fprintf (stream, "%s", reg_names[val]);
-	  break;
-
-	case 1:
-	  fprintf (stream, "%s", regname);
-	  break;
-
-	case 2:
-	  fprintf (stream, "(%s)", regname);
-	  break;
-
-	case 3:
-	  fprintf (stream, "(%s)+", regname);
-	  break;
-
-	case 4:
-	  fprintf (stream, "-(%s)", regname);
-	  break;
-
-	case 5:
-	  val = NEXTWORD (p);
-	  fprintf (stream, "%d(%s)", val, regname);
-	  break;
-
-	case 6:
-	  p = print_indexed (regno, p, addr, stream);
-	  break;
-
-	case 7:
-	  switch (val & 7)
-	    {
-	    case 0:
-	      val = NEXTWORD (p);
-	      fprintf (stream, "@@#");
-	      print_address (val, stream);
-	      break;
-
-	    case 1:
-	      val = NEXTLONG (p);
-	      fprintf (stream, "@@#");
-	      print_address (val, stream);
-	      break;
-
-	    case 2:
-	      val = NEXTWORD (p);
-	      print_address (addr + val, stream);
-	      break;
-
-	    case 3:
-	      p = print_indexed (-1, p, addr, stream);
-	      break;
-
-	    case 4:
-	      flt_p = 1;	/* Assume it's a float... */
-	      switch( place )
-	      {
-		case 'b':
-		  val = NEXTBYTE (p);
-		  flt_p = 0;
-		  break;
-
-		case 'w':
-		  val = NEXTWORD (p);
-		  flt_p = 0;
-		  break;
-
-		case 'l':
-		  val = NEXTLONG (p);
-		  flt_p = 0;
-		  break;
-
-		case 'f':
-		  flval = NEXTSINGLE(p);
-		  break;
-
-		case 'F':
-		  flval = NEXTDOUBLE(p);
-		  break;
-
-		case 'x':
-		  flval = NEXTEXTEND(p);
-		  break;
-
-		case 'p':
-		  flval = NEXTPACKED(p);
-		  break;
-
-		default:
-		  error ("Invalid arg format in opcode table: \"%c%c\".",
-		       *d, place);
-	      }
-	      if ( flt_p )	/* Print a float? */
-		fprintf (stream, "#%g", flval);
-	      else
-		fprintf (stream, "#%d", val);
-	      break;
-
-	    default:
-	      fprintf (stream, "<invalid address mode 0%o>", val);
-	    }
-	}
-      break;
-
-    default:
-      error ("Invalid arg format in opcode table: \"%c\".", *d);
-    }
-
-  return (unsigned char *) p;
-}
-
-/* Fetch BITS bits from a position in the instruction specified by CODE.
-   CODE is a "place to put an argument", or 'x' for a destination
-   that is a general address (mode and register).
-   BUFFER contains the instruction.  */
-
-static int
-fetch_arg (buffer, code, bits)
-     unsigned char *buffer;
-     char code;
-     int bits;
-{
-  register int val;
-  switch (code)
-    {
-    case 's':
-      val = buffer[1];
-      break;
-
-    case 'd':			/* Destination, for register or quick.  */
-      val = (buffer[0] << 8) + buffer[1];
-      val >>= 9;
-      break;
-
-    case 'x':			/* Destination, for general arg */
-      val = (buffer[0] << 8) + buffer[1];
-      val >>= 6;
-      break;
-
-    case 'k':
-      val = (buffer[3] >> 4);
-      break;
-
-    case 'C':
-      val = buffer[3];
-      break;
-
-    case '1':
-      val = (buffer[2] << 8) + buffer[3];
-      val >>= 12;
-      break;
-
-    case '2':
-      val = (buffer[2] << 8) + buffer[3];
-      val >>= 6;
-      break;
-
-    case '3':
-    case 'j':
-      val = (buffer[2] << 8) + buffer[3];
-      break;
-
-    case '4':
-      val = (buffer[4] << 8) + buffer[5];
-      val >>= 12;
-      break;
-
-    case '5':
-      val = (buffer[4] << 8) + buffer[5];
-      val >>= 6;
-      break;
-
-    case '6':
-      val = (buffer[4] << 8) + buffer[5];
-      break;
-
-    case '7':
-      val = (buffer[2] << 8) + buffer[3];
-      val >>= 7;
-      break;
-      
-    case '8':
-      val = (buffer[2] << 8) + buffer[3];
-      val >>= 10;
-      break;
-
-    default:
-      abort ();
-    }
-
-  switch (bits)
-    {
-    case 3:
-      return val & 7;
-    case 4:
-      return val & 017;
-    case 5:
-      return val & 037;
-    case 6:
-      return val & 077;
-    case 7:
-      return val & 0177;
-    case 8:
-      return val & 0377;
-    case 12:
-      return val & 07777;
-    default:
-      abort ();
-    }
-}
-
-/* Print an indexed argument.  The base register is BASEREG (-1 for pc).
-   P points to extension word, in buffer.
-   ADDR is the nominal core address of that extension word.  */
-
-static unsigned char *
-print_indexed (basereg, p, addr, stream)
-     int basereg;
-     unsigned char *p;
-     FILE *stream;
-     CORE_ADDR addr;
-{
-  register int word;
-  static char *scales[] = {"", "*2", "*4", "*8"};
-  register int base_disp;
-  register int outer_disp;
-  char buf[40];
-
-  word = NEXTWORD (p);
-
-  /* Generate the text for the index register.
-     Where this will be output is not yet determined.  */
-  sprintf (buf, "[%s.%c%s]",
-	   reg_names[(word >> 12) & 0xf],
-	   (word & 0x800) ? 'l' : 'w',
-	   scales[(word >> 9) & 3]);
-
-  /* Handle the 68000 style of indexing.  */
-
-  if ((word & 0x100) == 0)
-    {
-      print_base (basereg,
-		  ((word & 0x80) ? word | 0xff00 : word & 0xff)
-		  + ((basereg == -1) ? addr : 0),
-		  stream);
-      fprintf (stream, "%s", buf);
-      return p;
-    }
-
-  /* Handle the generalized kind.  */
-  /* First, compute the displacement to add to the base register.  */
-
-  if (word & 0200)
-    basereg = -2;
-  if (word & 0100)
-    buf[0] = 0;
-  base_disp = 0;
-  switch ((word >> 4) & 3)
-    {
-    case 2:
-      base_disp = NEXTWORD (p);
-      break;
-    case 3:
-      base_disp = NEXTLONG (p);
-    }
-  if (basereg == -1)
-    base_disp += addr;
-
-  /* Handle single-level case (not indirect) */
-
-  if ((word & 7) == 0)
-    {
-      print_base (basereg, base_disp, stream);
-      fprintf (stream, "%s", buf);
-      return p;
-    }
-
-  /* Two level.  Compute displacement to add after indirection.  */
-
-  outer_disp = 0;
-  switch (word & 3)
-    {
-    case 2:
-      outer_disp = NEXTWORD (p);
-      break;
-    case 3:
-      outer_disp = NEXTLONG (p);
-    }
-
-  fprintf (stream, "%d(", outer_disp);
-  print_base (basereg, base_disp, stream);
-
-  /* If postindexed, print the closeparen before the index.  */
-  if (word & 4)
-    fprintf (stream, ")%s", buf);
-  /* If preindexed, print the closeparen after the index.  */
-  else
-    fprintf (stream, "%s)", buf);
-
-  return p;
-}
-
-/* Print a base register REGNO and displacement DISP, on STREAM.
-   REGNO = -1 for pc, -2 for none (suppressed).  */
-
-static void
-print_base (regno, disp, stream)
-     int regno;
-     int disp;
-     FILE *stream;
-{
-  if (regno == -2)
-    fprintf (stream, "%d", disp);
-  else if (regno == -1)
-    fprintf (stream, "0x%x", disp);
-  else
-    fprintf (stream, "%d(%s)", disp, reg_names[regno]);
-}
-
-/* This is not part of insn printing, but it is machine-specific,
-   so this is a convenient place to put it.
-
-   Convert a 68881 extended float to a double.
-   FROM is the address of the extended float.
-   Store the double in *TO.  */
-
-convert_from_68881 (from, to)
-     char *from;
-     double *to;
-{
-#ifdef USG_SGS_ASM
-  asm ("mov.l 8(%a6),%a0");
-  asm ("mov.l 12(%a6),%a1");
-  asm ("fmove.x (%a0),%fp0");
-  asm ("fmove.d %fp0,(%a1)");
-#else /* not USG_SGS_ASM */
-#if 0
-  asm ("movl a6@@(8),a0");
-  asm ("movl a6@@(12),a1");
-  asm ("fmovex a0@@,fp0");
-  asm ("fmoved fp0,a1@@");
-#else
-  /* Hand-assemble those insns since some assemblers lose
-     and some have different syntax.  */
-  asm (".word 020156");
-  asm (".word 8");
-  asm (".word 021156");
-  asm (".word 12");
-  asm (".long 0xf2104800");
-  asm (".long 0xf2117400");
-#endif
-#endif /* not USG_SGS_ASM */
-}
-
-/* The converse: convert the double *FROM to an extended float
-   and store where TO points.  */
-
-convert_to_68881 (from, to)
-     double *from;
-     char *to;
-{
-#ifdef USG_SGS_ASM
-  asm ("mov.l 8(%a6),%a0");
-  asm ("mov.l 12(%a6),%a1");
-  asm ("fmove.d (%a0),%fp0");
-  asm ("fmove.x %fp0,(%a1)");
-#else /* not USG_SGS_ASM */
-#if 0
-  asm ("movl a6@@(8),a0");
-  asm ("movl a6@@(12),a1");
-  asm ("fmoved a0@@,fp0");
-  asm ("fmovex fp0,a1@@");
-#else
-  /* Hand-assemble those insns since some assemblers lose.  */
-  asm (".word 020156");
-  asm (".word 8");
-  asm (".word 021156");
-  asm (".word 12");
-  asm (".long 0xf2105400");
-  asm (".long 0xf2116800");
-#endif
-#endif /* not USG_SGS_ASM */
-}
-@
-
-
-1.1
-log
-@Initial revision
-@
-text
-@d717 1
-a717 1
-#ifdef HPUX_ASM
-d722 1
-a722 1
-#else /* not HPUX_ASM */
-d738 1
-a738 1
-#endif /* not HPUX_ASM */
-d748 1
-a748 1
-#ifdef HPUX_ASM
-d753 1
-a753 1
-#else /* not HPUX_ASM */
-d768 1
-a768 1
-#endif /* not HPUX_ASM */
-@