Imported from /home/lorry/working-area/delta_binutils-tarball/binutils-2.25.tar.bz2.HEADbinutils-2.25master

1 files changed, 325 insertions, 0 deletions

diff --git a/opcodes/h8500-dis.c b/opcodes/h8500-dis.c
new file mode 100644
index 0000000..caa3020
--- /dev/null
+++ b/opcodes/h8500-dis.c
@@ -0,0 +1,325 @@
+/* Disassemble h8500 instructions.
+   Copyright (C) 1993-2014 Free Software Foundation, Inc.
+
+   This file is part of the GNU opcodes library.
+
+   This library 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 3, or (at your option)
+   any later version.
+
+   It 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., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include <stdio.h>
+
+#define DISASSEMBLER_TABLE
+#define DEFINE_TABLE
+
+#include "h8500-opc.h"
+#include "dis-asm.h"
+#include "opintl.h"
+
+/* Maximum length of an instruction.  */
+#define MAXLEN 8
+
+#include <setjmp.h>
+
+struct private
+{
+  /* Points to first byte not fetched.  */
+  bfd_byte *max_fetched;
+  bfd_byte the_buffer[MAXLEN];
+  bfd_vma insn_start;
+  OPCODES_SIGJMP_BUF bailout;
+};
+
+/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
+   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 \
+   ? 1 : fetch_data ((info), (addr)))
+
+static int
+fetch_data (struct disassemble_info *info, bfd_byte *addr)
+{
+  int status;
+  struct private *priv = (struct private *) info->private_data;
+  bfd_vma start = priv->insn_start + (priv->max_fetched - priv->the_buffer);
+
+  status = (*info->read_memory_func) (start,
+				      priv->max_fetched,
+				      addr - priv->max_fetched,
+				      info);
+  if (status != 0)
+    {
+      (*info->memory_error_func) (status, start, info);
+      OPCODES_SIGLONGJMP (priv->bailout, 1);
+    }
+  else
+    priv->max_fetched = addr;
+  return 1;
+}
+
+static char *crname[] = { "sr", "ccr", "*", "br", "ep", "dp", "*", "tp" };
+
+int
+print_insn_h8500 (bfd_vma addr, disassemble_info *info)
+{
+  const h8500_opcode_info *opcode;
+  void *stream = info->stream;
+  fprintf_ftype func = info->fprintf_func;
+  struct private priv;
+  bfd_byte *buffer = priv.the_buffer;
+
+  info->private_data = (PTR) & priv;
+  priv.max_fetched = priv.the_buffer;
+  priv.insn_start = addr;
+  if (OPCODES_SIGSETJMP (priv.bailout) != 0)
+    /* Error return.  */
+    return -1;
+
+  /* Run down the table to find the one which matches.  */
+  for (opcode = h8500_table; opcode->name; opcode++)
+    {
+      int byte;
+      int rn = 0;
+      int rd = 0;
+      int rs = 0;
+      int disp = 0;
+      int abs_val = 0;
+      int imm = 0;
+      int pcrel = 0;
+      int qim = 0;
+      int i;
+      int cr = 0;
+
+      for (byte = 0; byte < opcode->length; byte++)
+	{
+	  FETCH_DATA (info, buffer + byte + 1);
+	  if ((buffer[byte] & opcode->bytes[byte].mask)
+	      != (opcode->bytes[byte].contents))
+	    goto next;
+
+	  else
+	    {
+	      /* Extract any info parts.  */
+	      switch (opcode->bytes[byte].insert)
+		{
+		case 0:
+		case FP:
+		  break;
+		default:
+		  /* xgettext:c-format */
+		  func (stream, _("can't cope with insert %d\n"),
+			opcode->bytes[byte].insert);
+		  break;
+		case RN:
+		  rn = buffer[byte] & 0x7;
+		  break;
+		case RS:
+		  rs = buffer[byte] & 0x7;
+		  break;
+		case CRB:
+		  cr = buffer[byte] & 0x7;
+		  if (cr == 0)
+		    goto next;
+		  break;
+		case CRW:
+		  cr = buffer[byte] & 0x7;
+		  if (cr != 0)
+		    goto next;
+		  break;
+		case DISP16:
+		  FETCH_DATA (info, buffer + byte + 2);
+		  disp = (buffer[byte] << 8) | (buffer[byte + 1]);
+		  break;
+		case FPIND_D8:
+		case DISP8:
+		  disp = ((char) (buffer[byte]));
+		  break;
+		case RD:
+		case RDIND:
+		  rd = buffer[byte] & 0x7;
+		  break;
+		case ABS24:
+		  FETCH_DATA (info, buffer + byte + 3);
+		  abs_val =
+		    (buffer[byte] << 16)
+		    | (buffer[byte + 1] << 8)
+		    | (buffer[byte + 2]);
+		  break;
+		case ABS16:
+		  FETCH_DATA (info, buffer + byte + 2);
+		  abs_val = (buffer[byte] << 8) | (buffer[byte + 1]);
+		  break;
+		case ABS8:
+		  abs_val = (buffer[byte]);
+		  break;
+		case IMM16:
+		  FETCH_DATA (info, buffer + byte + 2);
+		  imm = (buffer[byte] << 8) | (buffer[byte + 1]);
+		  break;
+		case IMM4:
+		  imm = (buffer[byte]) & 0xf;
+		  break;
+		case IMM8:
+		case RLIST:
+		  imm = (buffer[byte]);
+		  break;
+		case PCREL16:
+		  FETCH_DATA (info, buffer + byte + 2);
+		  pcrel = (buffer[byte] << 8) | (buffer[byte + 1]);
+		  break;
+		case PCREL8:
+		  pcrel = (buffer[byte]);
+		  break;
+		case QIM:
+		  switch (buffer[byte] & 0x7)
+		    {
+		    case 0:
+		      qim = 1;
+		      break;
+		    case 1:
+		      qim = 2;
+		      break;
+		    case 4:
+		      qim = -1;
+		      break;
+		    case 5:
+		      qim = -2;
+		      break;
+		    }
+		  break;
+
+		}
+	    }
+	}
+      /* We get here when all the masks have passed so we can output
+	 the operands.  */
+      FETCH_DATA (info, buffer + opcode->length);
+      (func) (stream, "%s\t", opcode->name);
+      for (i = 0; i < opcode->nargs; i++)
+	{
+	  if (i)
+	    (func) (stream, ",");
+	  switch (opcode->arg_type[i])
+	    {
+	    case FP:
+	      func (stream, "fp");
+	      break;
+	    case RNIND_D16:
+	      func (stream, "@(0x%x:16,r%d)", disp, rn);
+	      break;
+	    case RNIND_D8:
+	      func (stream, "@(0x%x:8 (%d),r%d)", disp & 0xff, disp, rn);
+	      break;
+	    case RDIND_D16:
+	      func (stream, "@(0x%x:16,r%d)", disp, rd);
+	      break;
+	    case RDIND_D8:
+	      func (stream, "@(0x%x:8 (%d), r%d)", disp & 0xff, disp, rd);
+	      break;
+	    case FPIND_D8:
+	      func (stream, "@(0x%x:8 (%d), fp)", disp & 0xff, disp);
+	      break;
+	    case CRB:
+	    case CRW:
+	      func (stream, "%s", crname[cr]);
+	      break;
+	    case RN:
+	      func (stream, "r%d", rn);
+	      break;
+	    case RD:
+	      func (stream, "r%d", rd);
+	      break;
+	    case RS:
+	      func (stream, "r%d", rs);
+	      break;
+	    case RNDEC:
+	      func (stream, "@-r%d", rn);
+	      break;
+	    case RNINC:
+	      func (stream, "@r%d+", rn);
+	      break;
+	    case RNIND:
+	      func (stream, "@r%d", rn);
+	      break;
+	    case RDIND:
+	      func (stream, "@r%d", rd);
+	      break;
+	    case SPINC:
+	      func (stream, "@sp+");
+	      break;
+	    case SPDEC:
+	      func (stream, "@-sp");
+	      break;
+	    case ABS24:
+	      func (stream, "@0x%0x:24", abs_val);
+	      break;
+	    case ABS16:
+	      func (stream, "@0x%0x:16", abs_val & 0xffff);
+	      break;
+	    case ABS8:
+	      func (stream, "@0x%0x:8", abs_val & 0xff);
+	      break;
+	    case IMM16:
+	      func (stream, "#0x%0x:16", imm & 0xffff);
+	      break;
+	    case RLIST:
+	      {
+		int j;
+		int nc = 0;
+
+		func (stream, "(");
+		for (j = 0; j < 8; j++)
+		  {
+		    if (imm & (1 << j))
+		      {
+			func (stream, "r%d", j);
+			if (nc)
+			  func (stream, ",");
+			nc = 1;
+		      }
+		  }
+		func (stream, ")");
+	      }
+	      break;
+	    case IMM8:
+	      func (stream, "#0x%0x:8", imm & 0xff);
+	      break;
+	    case PCREL16:
+	      func (stream, "0x%0x:16",
+		    (int)(pcrel + addr + opcode->length) & 0xffff);
+	      break;
+	    case PCREL8:
+	      func (stream, "#0x%0x:8",
+		    (int)((char) pcrel + addr + opcode->length) & 0xffff);
+	      break;
+	    case QIM:
+	      func (stream, "#%d:q", qim);
+	      break;
+	    case IMM4:
+	      func (stream, "#%d:4", imm);
+	      break;
+	    }
+	}
+      return opcode->length;
+    next:
+      ;
+    }
+
+  /* Couldn't understand anything.  */
+  /* xgettext:c-format */
+  func (stream, _("%02x\t\t*unknown*"), buffer[0]);
+  return 1;
+}