Applied patch from Kazu Hirata <kazu@hxi.com> to fix disassembly of inc.l
authorNick Clifton <nickc@redhat.com>
Thu, 1 Jun 2000 18:19:59 +0000 (18:19 +0000)
committerNick Clifton <nickc@redhat.com>
Thu, 1 Jun 2000 18:19:59 +0000 (18:19 +0000)
and dec.l instructions

opcodes/ChangeLog
opcodes/h8300-dis.c

index a2c890f..c7205c9 100644 (file)
@@ -1,3 +1,9 @@
+2000-06-01  Kazu Hirata  <kazu@hxi.com>
+
+       * h8300-dis.c (bfd_h8_disassemble_init): Fix a typo.
+       (bfd_h8_disassemble): Distinguish the operand size of inc/dev.[wl]
+       correctly.  Fix a typo.
+
 2000-05-31  Nick Clifton  <nickc@cygnus.com>
 
        * opintl.h (_(String)): Explain why dgettext is used instead of
index 435d4c0..180f600 100644 (file)
@@ -1,5 +1,5 @@
 /* Disassemble h8300 instructions.
-   Copyright (C) 1993, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1998, 2000 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -25,14 +25,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 
 /* Run through the opcodes and sort them into order to make them easy
-   to disassemble
- */
+   to disassemble.  */
 static void
 bfd_h8_disassemble_init ()
 {
   unsigned int i;
-
-
   struct h8_opcode *p;
 
   for (p = h8_opcodes; p->name; p++)
@@ -46,6 +43,7 @@ bfd_h8_disassemble_init ()
        }
       else
        n1 = 0;
+      
       if ((int) p->data.nib[1] < 16)
        {
          n2 = (int) p->data.nib[1];
@@ -54,14 +52,15 @@ bfd_h8_disassemble_init ()
        n2 = 0;
 
       /* Just make sure there are an even number of nibbles in it, and
-        that the count is the same s the length */
+        that the count is the same as the length.  */
       for (i = 0; p->data.nib[i] != E; i++)
        /*EMPTY*/ ;
+      
       if (i & 1)
        abort ();
+      
       p->length = i / 2;
     }
-
 }
 
 
@@ -71,24 +70,23 @@ bfd_h8_disassemble (addr, info, mode)
      disassemble_info *info;
      int mode;
 {
-  /* Find the first entry in the table for this opcode */
+  /* Find the first entry in the table for this opcode */
   static CONST char *regnames[] =
     {
       "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
-      "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"};
-  
+      "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"
+    };
   static CONST char *wregnames[] =
     {
       "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
       "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
-      };
+    };
   
   static CONST char *lregnames[] =
     {
       "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
       "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
-      }
-  ;
+    };
 
   int rs = 0;
   int rd = 0;
@@ -101,7 +99,6 @@ bfd_h8_disassemble (addr, info, mode)
   char CONST **pregnames = mode != 0 ? lregnames : wregnames;
   int status;
   int l;
-  
   unsigned char data[20];  
   void *stream = info->stream;
   fprintf_ftype fprintf = info->fprintf_func;
@@ -112,20 +109,17 @@ bfd_h8_disassemble (addr, info, mode)
       init = 1;
     }
 
-  status = info->read_memory_func(addr, data, 2, info);
+  status = info->read_memory_func (addr, data, 2, info);
   if (status != 0) 
     {
-      info->memory_error_func(status, addr, info);
+      info->memory_error_func (status, addr, info);
       return -1;
     }
-  for (l = 2; status == 0 && l < 10; l+=2)
-    {
-      status = info->read_memory_func(addr+l, data+l, 2, info);
-    }
-  
   
+  for (l = 2; status == 0 && l < 10; l += 2)
+    status = info->read_memory_func(addr+l, data+l, 2, info);
 
-  /* Find the exact opcode/arg combo */
+  /* Find the exact opcode/arg combo */
   while (q->name)
     {
       op_type *nib;
@@ -142,20 +136,18 @@ bfd_h8_disassemble (addr, info, mode)
          
          if (looking_for < 16 && looking_for >=0) 
            {
-             
              if (looking_for != thisnib) 
                goto fail;
            }
-         
          else 
            {
-             
              if ((int) looking_for & (int) B31)
                {
                  if (! (((int) thisnib & 0x8) != 0)) 
                    goto fail;
                  looking_for = (op_type) ((int) looking_for & ~(int) B31);
                }
+             
              if ((int) looking_for & (int) B30)
                {
                  if (!(((int) thisnib & 0x8) == 0)) 
@@ -165,48 +157,43 @@ bfd_h8_disassemble (addr, info, mode)
 
              if (looking_for & DBIT)
                {
-                 if ((looking_for & 5) != (thisnib & 5)) goto fail;
+                 if ((looking_for & 2) != (thisnib & 2))
+                   goto fail;
                  abs = (thisnib & 0x8) ? 2 : 1;
                }                 
-             
              else if (looking_for & (REG | IND|INC|DEC))
                {
                  if (looking_for & SRC)
-                   {
-                     rs = thisnib;
-                   }
+                   rs = thisnib;
                  else
-                   {
-                     rd = thisnib;
-                   }
+                   rd = thisnib;
                }
              else if (looking_for & L_16)
                {
                  abs = (data[len >> 1]) * 256 + data[(len + 2) >> 1];
                  plen = 16;
-             
                }
-             else if(looking_for & ABSJMP)
+             else if (looking_for & ABSJMP)
                {
                  abs =
                    (data[1] << 16)
                      | (data[2] << 8)
                        | (data[3]);
                }
-             else if(looking_for & MEMIND)
+             else if (looking_for & MEMIND)
                {
                  abs = data[1];
                }
              else if (looking_for & L_32)
                {
                  int i = len >> 1;
+                 
                  abs = (data[i] << 24)
                    | (data[i + 1] << 16)
                      | (data[i + 2] << 8)
                        | (data[i+ 3]);
 
-                 plen =32;
-             
+                 plen = 32;
                }
              else if (looking_for & L_24)
                {
@@ -216,7 +203,7 @@ bfd_h8_disassemble (addr, info, mode)
                }
              else if (looking_for & IGNORE)
                {
-                 
+                 ;
                }
              else if (looking_for & DISPREG)
                {
@@ -259,19 +246,14 @@ bfd_h8_disassemble (addr, info, mode)
                }
              else if (looking_for == E)
                {
+                 int i;
 
-                 {
-                   int i;
-
-                   for (i = 0; i < q->length; i++)
-                     {
-                       fprintf (stream, "%02x ", data[i]);
-                     }
-                   for (; i < 6; i++)
-                     {
-                       fprintf (stream, "   ");
-                     }
-                 }
+                 for (i = 0; i < q->length; i++)
+                   fprintf (stream, "%02x ", data[i]);
+                 
+                 for (; i < 6; i++)
+                   fprintf (stream, "   ");
+                 
                  fprintf (stream, "%s\t", q->name);
 
                  /* Gross.  Disgusting.  */
@@ -297,19 +279,18 @@ bfd_h8_disassemble (addr, info, mode)
                      return q->length;
                    }
 
-                 /* Fill in the args */
+                 /* Fill in the args */
                  {
                    op_type *args = q->args.nib;
                    int hadone = 0;
 
-
                    while (*args != E)
                      {
                        int x = *args;
+                       
                        if (hadone)
                          fprintf (stream, ",");
 
-
                        if (x & L_3)
                          {
                            fprintf (stream, "#0x%x", (unsigned) bit);
@@ -325,6 +306,7 @@ bfd_h8_disassemble (addr, info, mode)
                        else if (x & REG)
                          {
                            int rn = (x & DST) ? rd : rs;
+                           
                            switch (x & SIZE)
                              {
                              case L_8:
@@ -337,7 +319,6 @@ bfd_h8_disassemble (addr, info, mode)
                              case L_32:
                                fprintf (stream, "%s", lregnames[rn]);
                                break;
-                   
                              }
                          }
                        else if (x & MACREG)
@@ -352,46 +333,41 @@ bfd_h8_disassemble (addr, info, mode)
                          {
                            fprintf (stream, "@-%s", pregnames[rd]);
                          }
-
                        else if (x & IND)
                          {
                            int rn = (x & DST) ? rd : rs;
                            fprintf (stream, "@%s", pregnames[rn]);
                          }
-
                        else if (x & ABS8MEM)
                          {
                            fprintf (stream, "@0x%x:8", (unsigned) abs);
                          }
-
                        else if (x & (ABS|ABSJMP))
                          {
                            fprintf (stream, "@0x%x:%d", (unsigned) abs, plen);
                          }
-
                        else if (x & MEMIND)
                          {
                            fprintf (stream, "@@%d (%x)", abs, abs);
                          }
-
                        else if (x & PCREL)
                          {
                            if (x & L_16) 
                              {
-                               abs  +=2;
+                               abs += 2;
                                fprintf (stream, ".%s%d (%x)", (short) abs > 0 ? "+" : "", (short) abs,
                                         addr + (short) abs + 2);
                              }
-                           else {
-                             fprintf (stream, ".%s%d (%x)", (char) abs > 0 ? "+" : "", (char) abs,
-                                      addr + (char) abs + 2);
-                           }
+                           else
+                             {
+                               fprintf (stream, ".%s%d (%x)", (char) abs > 0 ? "+" : "", (char) abs,
+                                        addr + (char) abs + 2);
+                             }
                          }
                        else if (x & DISP)
                          {
                            fprintf (stream, "@(0x%x:%d,%s)", abs,plen, pregnames[rdisp]);
                          }
-
                        else if (x & CCR)
                          {
                            fprintf (stream, "ccr");
@@ -403,14 +379,13 @@ bfd_h8_disassemble (addr, info, mode)
                        else
                          /* xgettext:c-format */
                          fprintf (stream, _("Hmmmm %x"), x);
+                       
                        hadone = 1;
                        args++;
                      }
                  }
                  return q->length;
                }
-
-      
              else
                {
                  /* xgettext:c-format */
@@ -426,7 +401,7 @@ bfd_h8_disassemble (addr, info, mode)
       q++;
     }
 
-  /* Fell of the end */
+  /* Fell of the end */
   fprintf (stream, "%02x %02x        .word\tH'%x,H'%x",
           data[0], data[1],
           data[0], data[1]);
@@ -435,24 +410,24 @@ bfd_h8_disassemble (addr, info, mode)
 
 int 
 print_insn_h8300 (addr, info)
-bfd_vma addr; 
-disassemble_info *info;
+     bfd_vma addr; 
+     disassemble_info *info;
 {
   return bfd_h8_disassemble (addr, info , 0);
 }
 
 int 
 print_insn_h8300h (addr, info)
-bfd_vma addr;
-disassemble_info *info;
+     bfd_vma addr;
+     disassemble_info *info;
 {
   return bfd_h8_disassemble (addr, info , 1);
 }
 
 int 
 print_insn_h8300s (addr, info)
-bfd_vma addr;
-disassemble_info *info;
+     bfd_vma addr;
+     disassemble_info *info;
 {
   return bfd_h8_disassemble (addr, info , 2);
 }