THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
- the resultant file is machine generated, cgen-ibld.in isn't
-Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU Binutils and GDB, the GNU debugger.
static int extract_insn_normal
PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma));
-static void cgen_put_insn_int_value
+static void put_insn_int_value
PARAMS ((CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT));
\f
int shift;
int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
- switch (word_length)
- {
- case 8:
- x = *bufp;
- break;
- case 16:
- if (big_p)
- x = bfd_getb16 (bufp);
- else
- x = bfd_getl16 (bufp);
- break;
- case 24:
- /* ??? This may need reworking as these cases don't necessarily
- want the first byte and the last two bytes handled like this. */
- if (big_p)
- x = (bufp[0] << 16) | bfd_getb16 (bufp + 1);
- else
- x = bfd_getl16 (bufp) | (bufp[2] << 16);
- break;
- case 32:
- if (big_p)
- x = bfd_getb32 (bufp);
- else
- x = bfd_getl32 (bufp);
- break;
- default :
- abort ();
- }
+ x = bfd_get_bits (bufp, word_length, big_p);
/* Written this way to avoid undefined behaviour. */
mask = (((1L << (length - 1)) - 1) << 1) | 1;
shift = (word_length - (start + length));
x = (x & ~(mask << shift)) | ((value & mask) << shift);
- switch (word_length)
- {
- case 8:
- *bufp = x;
- break;
- case 16:
- if (big_p)
- bfd_putb16 (x, bufp);
- else
- bfd_putl16 (x, bufp);
- break;
- case 24:
- /* ??? This may need reworking as these cases don't necessarily
- want the first byte and the last two bytes handled like this. */
- if (big_p)
- {
- bufp[0] = x >> 16;
- bfd_putb16 (x, bufp + 1);
- }
- else
- {
- bfd_putl16 (x, bufp);
- bufp[2] = x >> 16;
- }
- break;
- case 32:
- if (big_p)
- bfd_putb32 (x, bufp);
- else
- bfd_putl32 (x, bufp);
- break;
- default :
- abort ();
- }
+ bfd_put_bits ((bfd_vma) x, bufp, word_length, big_p);
}
#endif /* ! CGEN_INT_INSN_P */
{
const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
unsigned long value;
- const unsigned char * syn;
+ const CGEN_SYNTAX_CHAR_TYPE * syn;
CGEN_INIT_INSERT (cd);
value = CGEN_INSN_BASE_VALUE (insn);
#if CGEN_INT_INSN_P
- cgen_put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
- CGEN_FIELDS_BITSIZE (fields), value);
+ put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
+ CGEN_FIELDS_BITSIZE (fields), value);
#else
e.g. storing a branch displacement that got resolved later.
Needs more thought first. */
- for (syn = CGEN_SYNTAX_STRING (syntax); * syn != '\0'; ++ syn)
+ for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
{
const char *errmsg;
/* Cover function to store an insn value into an integral insn. Must go here
because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
-void
-cgen_put_insn_int_value (cd, buf, length, insn_length, value)
+static void
+put_insn_int_value (cd, buf, length, insn_length, value)
CGEN_CPU_DESC cd;
CGEN_INSN_BYTES_PTR buf;
int length;
unsigned char *bufp;
bfd_vma pc;
{
- unsigned long x,mask;
+ unsigned long x;
int shift;
int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
- switch (word_length)
- {
- case 8:
- x = *bufp;
- break;
- case 16:
- if (big_p)
- x = bfd_getb16 (bufp);
- else
- x = bfd_getl16 (bufp);
- break;
- case 24:
- /* ??? This may need reworking as these cases don't necessarily
- want the first byte and the last two bytes handled like this. */
- if (big_p)
- x = (bufp[0] << 16) | bfd_getb16 (bufp + 1);
- else
- x = bfd_getl16 (bufp) | (bufp[2] << 16);
- break;
- case 32:
- if (big_p)
- x = bfd_getb32 (bufp);
- else
- x = bfd_getl32 (bufp);
- break;
- default :
- abort ();
- }
+ x = bfd_get_bits (bufp, word_length, big_p);
- /* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
if (CGEN_INSN_LSB0_P)
shift = (start + 1) - length;
else
shift = (word_length - (start + length));
- return (x >> shift) & mask;
+ return x >> shift;
}
#endif /* ! CGEN_INT_INSN_P */
#endif
long *valuep;
{
- CGEN_INSN_INT value;
+ CGEN_INSN_INT value, mask;
/* If LENGTH is zero, this operand doesn't contribute to the value
so give it a standard value of zero. */
if (CGEN_INT_INSN_P || word_offset == 0)
{
- /* Written this way to avoid undefined behaviour. */
- CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
-
if (CGEN_INSN_LSB0_P)
value = insn_value >> ((word_offset + start + 1) - length);
else
value = insn_value >> (total_length - ( word_offset + start + length));
- value &= mask;
- /* sign extend? */
- if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
- && (value & (1L << (length - 1))))
- value |= ~mask;
}
#if ! CGEN_INT_INSN_P
#endif /* ! CGEN_INT_INSN_P */
+ /* Written this way to avoid undefined behaviour. */
+ mask = (((1L << (length - 1)) - 1) << 1) | 1;
+
+ value &= mask;
+ /* sign extend? */
+ if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
+ && (value & (1L << (length - 1))))
+ value |= ~mask;
+
*valuep = value;
return 1;
bfd_vma pc;
{
const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
- const unsigned char *syn;
+ const CGEN_SYNTAX_CHAR_TYPE *syn;
CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
projects / deliverable / binutils-gdb.git / blobdiff