asan: score: global-buffer-overflow

[deliverable/binutils-gdb.git] / opcodes / iq2000-ibld.c

diff --git a/opcodes/iq2000-ibld.c b/opcodes/iq2000-ibld.c
index f3ce5e20b76dc2a0629ab743590394ef4634965d..34482b366a65fa7b535c81d6e937c5a44d18d747 100644 (file)
--- a/opcodes/iq2000-ibld.c
+++ b/opcodes/iq2000-ibld.c
@@ -1,10 +1,10 @@
+/* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
 /* Instruction building/extraction support for iq2000. -*- C -*-
 
    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
    - the resultant file is machine generated, cgen-ibld.in isn't
 
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1996-2019 Free Software Foundation, Inc.
 
    This file is part of libopcodes.
 
@@ -33,6 +33,7 @@
 #include "symcat.h"
 #include "iq2000-desc.h"
 #include "iq2000-opc.h"
+#include "cgen/basic-modes.h"
 #include "opintl.h"
 #include "safe-ctype.h"
 
@@ -137,7 +138,7 @@ insert_normal (CGEN_CPU_DESC cd,
   if (length == 0)
     return NULL;
 
-  if (word_length > 32)
+  if (word_length > 8 * sizeof (CGEN_INSN_INT))
     abort ();
 
   /* For architectures with insns smaller than the base-insn-bitsize,
@@ -154,7 +155,7 @@ insert_normal (CGEN_CPU_DESC cd,
     {
       long minval = - (1L << (length - 1));
       unsigned long maxval = mask;
-      
+
       if ((value > 0 && (unsigned long) value > maxval)
          || value < minval)
        {
@@ -192,7 +193,7 @@ insert_normal (CGEN_CPU_DESC cd,
        {
          long minval = - (1L << (length - 1));
          long maxval =   (1L << (length - 1)) - 1;
-         
+
          if (value < minval || value > maxval)
            {
              sprintf
@@ -207,12 +208,19 @@ insert_normal (CGEN_CPU_DESC cd,
 #if CGEN_INT_INSN_P
 
   {
-    int shift;
+    int shift_within_word, shift_to_word, shift;
 
+    /* How to shift the value to BIT0 of the word.  */
+    shift_to_word = total_length - (word_offset + word_length);
+
+    /* How to shift the value to the field within the word.  */
     if (CGEN_INSN_LSB0_P)
-      shift = (word_offset + start + 1) - length;
+      shift_within_word = start + 1 - length;
     else
-      shift = total_length - (word_offset + start + length);
+      shift_within_word = word_length - start - length;
+
+    /* The total SHIFT, then mask in the value.  */
+    shift = shift_to_word + shift_within_word;
     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
   }
 
@@ -441,7 +449,7 @@ extract_normal (CGEN_CPU_DESC cd,
       return 1;
     }
 
-  if (word_length > 32)
+  if (word_length > 8 * sizeof (CGEN_INSN_INT))
     abort ();
 
   /* For architectures with insns smaller than the insn-base-bitsize,
@@ -468,7 +476,7 @@ extract_normal (CGEN_CPU_DESC cd,
     {
       unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
 
-      if (word_length > 32)
+      if (word_length > 8 * sizeof (CGEN_INSN_INT))
        abort ();
 
       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
@@ -613,14 +621,14 @@ iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
     case IQ2000_OPERAND_JMPTARG :
       {
         long value = fields->f_jtarg;
-        value = ((unsigned int) (((value) & (262143))) >> (2));
+        value = ((USI) (((value) & (262143))) >> (2));
         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer);
       }
       break;
     case IQ2000_OPERAND_JMPTARGQ10 :
       {
         long value = fields->f_jtargq10;
-        value = ((unsigned int) (((value) & (8388607))) >> (2));
+        value = ((USI) (((value) & (8388607))) >> (2));
         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer);
       }
       break;
@@ -645,7 +653,7 @@ iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
     case IQ2000_OPERAND_OFFSET :
       {
         long value = fields->f_offset;
-        value = ((int) (((value) - (pc))) >> (2));
+        value = ((SI) (((value) - (pc))) >> (2));
         errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
       }
       break;
@@ -706,8 +714,9 @@ iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
-              opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while building insn"),
+        opindex);
       abort ();
   }
 
@@ -881,20 +890,21 @@ iq2000_cgen_extract_operand (CGEN_CPU_DESC cd,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
-              opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while decoding insn"),
+        opindex);
       abort ();
     }
 
   return length;
 }
 
-cgen_insert_fn * const iq2000_cgen_insert_handlers[] = 
+cgen_insert_fn * const iq2000_cgen_insert_handlers[] =
 {
   insert_insn_normal,
 };
 
-cgen_extract_fn * const iq2000_cgen_extract_handlers[] = 
+cgen_extract_fn * const iq2000_cgen_extract_handlers[] =
 {
   extract_insn_normal,
 };
@@ -1012,8 +1022,9 @@ iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while getting int operand"),
+        opindex);
       abort ();
   }
 
@@ -1125,8 +1136,9 @@ iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while getting vma operand"),
+        opindex);
       abort ();
   }
 
@@ -1245,8 +1257,9 @@ iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while setting int operand"),
+        opindex);
       abort ();
   }
 }
@@ -1355,8 +1368,9 @@ iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 
     default :
       /* xgettext:c-format */
-      fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
-                      opindex);
+      opcodes_error_handler
+       (_("internal error: unrecognized field %d while setting vma operand"),
+        opindex);
       abort ();
   }
 }