Initial revision

1 files changed, 0 insertions, 346 deletions

diff --git a/gdb/pyr-pinsn.c b/gdb/pyr-pinsn.c
deleted file mode 100644
index f119adf..0000000
--- a/gdb/pyr-pinsn.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/* Disassembler for the Pyramid Technology 90x
-   Copyright (C) 1988,1989 Free Software Foundation, Inc.
-
-This file is part of GDB, the GNU disassembler.
-
-GDB 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 1, or (at your option)
-any later version.
-
-GDB 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 GDB; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#include <stdio.h>
-
-#include "defs.h"
-#include "param.h"
-#include "symtab.h"
-#include "opcode.h"
-
-
-/*  A couple of functions used for debugging frame-handling on
-    Pyramids. (The Pyramid-dependent handling of register values for
-    windowed registers is known to be buggy.)
-
-    When debugging, these functions supplant the normal definitions of some
-    of the macros in m-pyramid.h  The quantity of information produced
-    when these functions are used makes the gdb  unusable as a
-    debugger for user programs.  */
-    
-extern unsigned pyr_saved_pc(), pyr_frame_chain();
-
-CORE_ADDR pyr_frame_chain(frame)
-    CORE_ADDR frame;
-{
-    int foo=frame - CONTROL_STACK_FRAME_SIZE;
-    /* printf ("...following chain from %x: got %x\n", frame, foo);*/
-    return foo;
-}
-
-CORE_ADDR pyr_saved_pc(frame)
-    CORE_ADDR frame;
-{
-    int foo=0;
-    foo = read_memory_integer (((CORE_ADDR)(frame))+60, 4);
-    printf ("..reading pc from frame 0x%0x+%d regs: got %0x\n",
-	    frame, 60/4, foo);
-    return foo;
-}
-
-
-/* Pyramid instructions are never longer than this many bytes.  */
-#define MAXLEN 24
-
-/* Number of elements in the opcode table.  */
-/*const*/ static int nopcodes = (sizeof (pyr_opcodes) / sizeof( pyr_opcodes[0]));
-#define NOPCODES (nopcodes)
-
-extern char *reg_names[];
-
-/* Let's be byte-independent so we can use this as a cross-assembler.
-   (will this ever be useful?
- */
-
-#define NEXTLONG(p)  \
-  (p += 4, (((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1])
-
-
-/* Print one 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, nargs, insn_size =4;
-  register unsigned char *p;
-  register char *d;
-  register int insn_opcode, operand_mode;
-  register int index_multiplier, index_reg_regno, op_1_regno, op_2_regno ;
-  long insn;			/* first word of the insn, not broken down. */
-  pyr_insn_format insn_decode;	/* the same, broken out into op{code,erands} */
-  long extra_1, extra_2;
-
-  read_memory (memaddr, buffer, MAXLEN);
-  insn_decode = *((pyr_insn_format *) buffer);
-  insn = * ((int *) buffer);
-  insn_opcode = insn_decode.operator;
-  operand_mode = insn_decode.mode;
-  index_multiplier = insn_decode.index_scale;
-  index_reg_regno = insn_decode.index_reg;
-  op_1_regno = insn_decode.operand_1;
-  op_2_regno = insn_decode.operand_2;
-  
-  
-  if (*((int *)buffer) == 0x0) {
-    /* "halt" looks just like an invalid "jump" to the insn decoder,
-       so is dealt with as a special case */
-    fprintf (stream, "halt");
-    return (4);
-  }
-
-  for (i = 0; i < NOPCODES; i++)
-	  if (pyr_opcodes[i].datum.code == insn_opcode)
-		  break;
-
-  if (i == NOPCODES)
-	  /* FIXME: Handle unrecognised instructions better.  */
-	  fprintf (stream, "???\t#%08x\t(op=%x mode =%x)",
-		   insn, insn_decode.operator, insn_decode.mode);
-  else
-    {
-      /* Print the mnemonic for the instruction.  Pyramid insn operands
-         are so regular that we can deal with almost all of them
-         separately.
-	 Unconditional branches are an exception: they are encoded as
-	 conditional branches (branch if false condition, I think)
-	 with no condition specified. The average user will not be
-	 aware of this. To maintain their illusion that an
-	 unconditional branch insn exists, we will have to FIXME to
-	 treat the insn mnemnonic of all branch instructions here as a
-	 special case: check the operands of branch insn and print an
-	 appropriate mnemonic. */ 
-
-      fprintf (stream, "%s\t", pyr_opcodes[i].name);
-
-    /* Print the operands of the insn (as specified in
-       insn.operand_mode). 
-       Branch operands of branches are a special case: they are a word
-       offset, not a byte offset. */
-  
-    if (insn_decode.operator == 0x01 || insn_decode.operator == 0x02) {
-      register int bit_codes=(insn >> 16)&0xf;
-      register int i;
-      register int displacement = (insn & 0x0000ffff) << 2;
-
-      static char cc_bit_names[] = "cvzn";	/* z,n,c,v: strange order? */
-
-      /* Is bfc and no bits specified an unconditional branch?*/
-      for (i=0;i<4;i++) {
-	if ((bit_codes) & 0x1)
-		fputc (cc_bit_names[i], stream);
-	bit_codes >>= 1;
-      }
-
-      fprintf (stream, ",%0x",
-	       displacement + memaddr);
-      return (insn_size);
-    }
-
-      switch (operand_mode) {
-      case 0:
-	fprintf (stream, "%s,%s",
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno]);
-	break;
-	    
-      case 1:
-	fprintf (stream, " 0x%0x,%s",
-		 op_1_regno,
-		 reg_names [op_2_regno]);
-	break;
-	
-      case 2:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream, " $0x%0x,%s",
-		 extra_1,
-		 reg_names [op_2_regno]);
-	break;
-      case 3:
-	fprintf (stream, " (%s),%s",
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno]);
-	break;
-	
-      case 4:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream, " 0x%0x(%s),%s",
-		 extra_1,
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno]);
-	break;
-	
-	/* S1 destination mode */
-      case 5:
-	fprintf (stream,
-		 ((index_reg_regno) ? "%s,(%s)[%s*%1d]" : "%s,(%s)"),
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-      case 6:
-	fprintf (stream,
-		 ((index_reg_regno) ? " $%#0x,(%s)[%s*%1d]"
-		  : " $%#0x,(%s)"),
-		 op_1_regno,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-      case 7:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno) ? " $%#0x,(%s)[%s*%1d]"
-		  : " $%#0x,(%s)"),
-		 extra_1,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-      case 8:
-	fprintf (stream,
-		 ((index_reg_regno) ? " (%s),(%s)[%s*%1d]" : " (%s),(%s)"),
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-      case 9:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno)
-		  ? "%#0x(%s),(%s)[%s*%1d]"
-		  : "%#0x(%s),(%s)"),
-		 extra_1,
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-	/* S2 destination mode */
-      case 10:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno) ? "%s,%#0x(%s)[%s*%1d]" : "%s,%#0x(%s)"),
-		 reg_names [op_1_regno],
-		 extra_1,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-      case 11:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno) ?
-		  " $%#0x,%#0x(%s)[%s*%1d]" : " $%#0x,%#0x(%s)"),
-		 op_1_regno,
-		 extra_1,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-      case 12:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	read_memory (memaddr+8, buffer, MAXLEN);
-	insn_size += 4;
-	extra_2 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno) ?
-		  " $%#0x,%#0x(%s)[%s*%1d]" : " $%#0x,%#0x(%s)"),
-		 extra_1,
-		 extra_2,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-      case 13:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno)
-		  ? " (%s),%#0x(%s)[%s*%1d]" 
-		  : " (%s),%#0x(%s)"),
-		 reg_names [op_1_regno],
-		 extra_1,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-      case 14:
-	read_memory (memaddr+4, buffer, MAXLEN);
-	insn_size += 4;
-	extra_1 = * ((int *) buffer);
-	read_memory (memaddr+8, buffer, MAXLEN);
-	insn_size += 4;
-	extra_2 = * ((int *) buffer);
-	fprintf (stream,
-		 ((index_reg_regno) ? "%#0x(%s),%#0x(%s)[%s*%1d]"
-		  : "%#0x(%s),%#0x(%s) "),
-		 extra_1,
-		 reg_names [op_1_regno],
-		 extra_2,
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	break;
-	
-      default:
-	fprintf (stream,
-		 ((index_reg_regno) ? "%s,%s [%s*%1d]" : "%s,%s"),
-		 reg_names [op_1_regno],
-		 reg_names [op_2_regno],
-		 reg_names [index_reg_regno],
-		 index_multiplier);
-	fprintf (stream,
-		 "\t\t# unknown mode in %08x",
-		 insn);
-	break;
-      } /* switch */
-    }
-  
-  {
-    return insn_size;
-  }
-  abort ();
-}