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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 c9f82297012bda9adf78d93f610faf3c36d77af8..181278903fb66dc00b63d33e43770b0ddf069f70 100644
(file)
--- a/
opcodes/lm32-ibld.c
+++ b/
opcodes/lm32-ibld.c
@@
-3,8
+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 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007,
- 2008, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of libopcodes.
This file is part of libopcodes.
@@
-138,7
+137,7
@@
insert_normal (CGEN_CPU_DESC cd,
if (length == 0)
return NULL;
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,
abort ();
/* For architectures with insns smaller than the base-insn-bitsize,
@@
-155,7
+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)
{
@@
-193,7
+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
@@
-208,12
+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);
}
@@
-442,7
+448,7
@@
extract_normal (CGEN_CPU_DESC cd,
return 1;
}
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,
abort ();
/* For architectures with insns smaller than the insn-base-bitsize,
@@
-469,7
+475,7
@@
extract_normal (CGEN_CPU_DESC cd,
{
unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
{
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)
abort ();
if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
@@
-740,12
+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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