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Prevent address violation when attempting to disassemble a corrupt score binary.
[deliverable/binutils-gdb.git]
/
opcodes
/
lm32-ibld.c
diff --git
a/opcodes/lm32-ibld.c
b/opcodes/lm32-ibld.c
index d086967168d6f0688dca84dda5082b9a7820002d..181278903fb66dc00b63d33e43770b0ddf069f70 100644
(file)
--- a/
opcodes/lm32-ibld.c
+++ b/
opcodes/lm32-ibld.c
@@
-3,7
+3,7
@@
THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
- the resultant file is machine generated, cgen-ibld.in isn't
THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
- the resultant file is machine generated, cgen-ibld.in isn't
- Copyright (C) 1996-201
4
Free Software Foundation, Inc.
+ Copyright (C) 1996-201
7
Free Software Foundation, Inc.
This file is part of libopcodes.
This file is part of libopcodes.
@@
-154,7
+154,7
@@
insert_normal (CGEN_CPU_DESC cd,
{
long minval = - (1L << (length - 1));
unsigned long maxval = mask;
{
long minval = - (1L << (length - 1));
unsigned long maxval = mask;
-
+
if ((value > 0 && (unsigned long) value > maxval)
|| value < minval)
{
if ((value > 0 && (unsigned long) value > maxval)
|| value < minval)
{
@@
-192,7
+192,7
@@
insert_normal (CGEN_CPU_DESC cd,
{
long minval = - (1L << (length - 1));
long maxval = (1L << (length - 1)) - 1;
{
long minval = - (1L << (length - 1));
long maxval = (1L << (length - 1)) - 1;
-
+
if (value < minval || value > maxval)
{
sprintf
if (value < minval || value > maxval)
{
sprintf
@@
-207,12
+207,19
@@
insert_normal (CGEN_CPU_DESC cd,
#if CGEN_INT_INSN_P
{
#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)
if (CGEN_INSN_LSB0_P)
- shift
= (word_offset + start + 1)
- length;
+ shift
_within_word = start + 1
- length;
else
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);
}
*buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
}
@@
-739,12
+746,12
@@
lm32_cgen_extract_operand (CGEN_CPU_DESC cd,
return length;
}
return length;
}
-cgen_insert_fn * const lm32_cgen_insert_handlers[] =
+cgen_insert_fn * const lm32_cgen_insert_handlers[] =
{
insert_insn_normal,
};
{
insert_insn_normal,
};
-cgen_extract_fn * const lm32_cgen_extract_handlers[] =
+cgen_extract_fn * const lm32_cgen_extract_handlers[] =
{
extract_insn_normal,
};
{
extract_insn_normal,
};
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