/* Instruction building/extraction support for @arch@. -*- C -*-
-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, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996-2019 Free Software Foundation, Inc.
-This file is part of the GNU Binutils and GDB, the GNU debugger.
+ This file is part of libopcodes.
-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
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ It is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/* ??? Eventually more and more of this stuff can go to cpu-independent files.
Keep that in mind. */
#include "sysdep.h"
-#include <ctype.h>
#include <stdio.h>
#include "ansidecl.h"
#include "dis-asm.h"
#include "symcat.h"
#include "@prefix@-desc.h"
#include "@prefix@-opc.h"
+#include "cgen/basic-modes.h"
#include "opintl.h"
+#include "safe-ctype.h"
-#undef min
+#undef min
#define min(a,b) ((a) < (b) ? (a) : (b))
-#undef max
+#undef max
#define max(a,b) ((a) > (b) ? (a) : (b))
/* Used by the ifield rtx function. */
#define FLD(f) (fields->f)
static const char * insert_normal
- PARAMS ((CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
- unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR));
+ (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
+ unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
static const char * insert_insn_normal
- PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *,
- CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma));
-
+ (CGEN_CPU_DESC, const CGEN_INSN *,
+ CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
static int extract_normal
- PARAMS ((CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
- unsigned int, unsigned int, unsigned int, unsigned int,
- unsigned int, unsigned int, bfd_vma, long *));
+ (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
+ unsigned int, unsigned int, unsigned int, unsigned int,
+ unsigned int, unsigned int, bfd_vma, long *);
static int extract_insn_normal
- PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
- CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma));
+ (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
+ CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
+#if CGEN_INT_INSN_P
static void put_insn_int_value
- PARAMS ((CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT));
-
+ (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
+#endif
+#if ! CGEN_INT_INSN_P
+static CGEN_INLINE void insert_1
+ (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
+static CGEN_INLINE int fill_cache
+ (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);
+static CGEN_INLINE long extract_1
+ (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
+#endif
\f
/* Operand insertion. */
/* Subroutine of insert_normal. */
static CGEN_INLINE void
-insert_1 (cd, value, start, length, word_length, bufp)
- CGEN_CPU_DESC cd;
- unsigned long value;
- int start,length,word_length;
- unsigned char *bufp;
+insert_1 (CGEN_CPU_DESC cd,
+ unsigned long value,
+ int start,
+ int length,
+ int word_length,
+ unsigned char *bufp)
{
unsigned long x,mask;
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 = cgen_get_insn_value (cd, bufp, word_length);
/* 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 ();
- }
+ cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
}
#endif /* ! CGEN_INT_INSN_P */
necessary. */
static const char *
-insert_normal (cd, value, attrs, word_offset, start, length, word_length,
- total_length, buffer)
- CGEN_CPU_DESC cd;
- long value;
- unsigned int attrs;
- unsigned int word_offset, start, length, word_length, total_length;
- CGEN_INSN_BYTES_PTR buffer;
+insert_normal (CGEN_CPU_DESC cd,
+ long value,
+ unsigned int attrs,
+ unsigned int word_offset,
+ unsigned int start,
+ unsigned int length,
+ unsigned int word_length,
+ unsigned int total_length,
+ CGEN_INSN_BYTES_PTR buffer)
{
static char errbuf[100];
/* Written this way to avoid undefined behaviour. */
if (length == 0)
return NULL;
-#if 0
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-#endif
-
- if (word_length > 32)
+ if (word_length > 8 * sizeof (CGEN_INSN_INT))
abort ();
/* For architectures with insns smaller than the base-insn-bitsize,
}
/* Ensure VALUE will fit. */
- if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
+ if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
{
+ long minval = - (1L << (length - 1));
unsigned long maxval = mask;
-
- if ((unsigned long) value > maxval)
+
+ if ((value > 0 && (unsigned long) value > maxval)
+ || value < minval)
{
/* xgettext:c-format */
sprintf (errbuf,
- _("operand out of range (%lu not between 0 and %lu)"),
- value, maxval);
+ _("operand out of range (%ld not between %ld and %lu)"),
+ value, minval, maxval);
+ return errbuf;
+ }
+ }
+ else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
+ {
+ unsigned long maxval = mask;
+ unsigned long val = (unsigned long) value;
+
+ /* For hosts with a word size > 32 check to see if value has been sign
+ extended beyond 32 bits. If so then ignore these higher sign bits
+ as the user is attempting to store a 32-bit signed value into an
+ unsigned 32-bit field which is allowed. */
+ if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
+ val &= 0xFFFFFFFF;
+
+ if (val > maxval)
+ {
+ /* xgettext:c-format */
+ sprintf (errbuf,
+ _("operand out of range (0x%lx not between 0 and 0x%lx)"),
+ val, maxval);
return errbuf;
}
}
{
long minval = - (1L << (length - 1));
long maxval = (1L << (length - 1)) - 1;
-
+
if (value < minval || value > maxval)
{
sprintf
#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);
}
}
/* Default insn builder (insert handler).
- The instruction is recorded in CGEN_INT_INSN_P byte order
- (meaning that if CGEN_INT_INSN_P BUFFER is an int * and thus the value is
- recorded in host byte order, otherwise BUFFER is an array of bytes and the
- value is recorded in target byte order).
+ The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
+ that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
+ recorded in host byte order, otherwise BUFFER is an array of bytes
+ and the value is recorded in target byte order).
The result is an error message or NULL if success. */
static const char *
-insert_insn_normal (cd, insn, fields, buffer, pc)
- CGEN_CPU_DESC cd;
- const CGEN_INSN * insn;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc;
+insert_insn_normal (CGEN_CPU_DESC cd,
+ const CGEN_INSN * insn,
+ CGEN_FIELDS * fields,
+ CGEN_INSN_BYTES_PTR buffer,
+ bfd_vma pc)
{
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);
#else
- cgen_put_insn_value (cd, buffer, min (cd->base_insn_bitsize,
- CGEN_FIELDS_BITSIZE (fields)),
+ cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
+ (unsigned) CGEN_FIELDS_BITSIZE (fields)),
value);
#endif /* ! CGEN_INT_INSN_P */
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;
return NULL;
}
+#if CGEN_INT_INSN_P
/* 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. */
+
because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
static void
-put_insn_int_value (cd, buf, length, insn_length, value)
- CGEN_CPU_DESC cd;
- CGEN_INSN_BYTES_PTR buf;
- int length;
- int insn_length;
- CGEN_INSN_INT value;
+put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ CGEN_INSN_BYTES_PTR buf,
+ int length,
+ int insn_length,
+ CGEN_INSN_INT value)
{
/* For architectures with insns smaller than the base-insn-bitsize,
length may be too big. */
int shift = insn_length - length;
/* Written this way to avoid undefined behaviour. */
CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
+
*buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
}
}
+#endif
\f
/* Operand extraction. */
Returns 1 for success, 0 for failure. */
static CGEN_INLINE int
-fill_cache (cd, ex_info, offset, bytes, pc)
- CGEN_CPU_DESC cd;
- CGEN_EXTRACT_INFO *ex_info;
- int offset, bytes;
- bfd_vma pc;
+fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ CGEN_EXTRACT_INFO *ex_info,
+ int offset,
+ int bytes,
+ bfd_vma pc)
{
/* It's doubtful that the middle part has already been fetched so
we don't optimize that case. kiss. */
- int mask;
+ unsigned int mask;
disassemble_info *info = (disassemble_info *) ex_info->dis_info;
/* First do a quick check. */
/* Subroutine of extract_normal. */
static CGEN_INLINE long
-extract_1 (cd, ex_info, start, length, word_length, bufp, pc)
- CGEN_CPU_DESC cd;
- CGEN_EXTRACT_INFO *ex_info;
- int start,length,word_length;
- unsigned char *bufp;
- bfd_vma pc;
+extract_1 (CGEN_CPU_DESC cd,
+ CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
+ int start,
+ int length,
+ int word_length,
+ unsigned char *bufp,
+ bfd_vma pc ATTRIBUTE_UNUSED)
{
- 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 = cgen_get_insn_value (cd, bufp, word_length);
- /* 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 */
necessary. */
static int
-extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length,
- word_length, total_length, pc, valuep)
- CGEN_CPU_DESC cd;
+extract_normal (CGEN_CPU_DESC cd,
#if ! CGEN_INT_INSN_P
- CGEN_EXTRACT_INFO *ex_info;
+ CGEN_EXTRACT_INFO *ex_info,
#else
- CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED;
+ CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
#endif
- CGEN_INSN_INT insn_value;
- unsigned int attrs;
- unsigned int word_offset, start, length, word_length, total_length;
+ CGEN_INSN_INT insn_value,
+ unsigned int attrs,
+ unsigned int word_offset,
+ unsigned int start,
+ unsigned int length,
+ unsigned int word_length,
+ unsigned int total_length,
#if ! CGEN_INT_INSN_P
- bfd_vma pc;
+ bfd_vma pc,
#else
- bfd_vma pc ATTRIBUTE_UNUSED;
+ bfd_vma pc ATTRIBUTE_UNUSED,
#endif
- long *valuep;
+ long *valuep)
{
- CGEN_INSN_INT value;
+ long value, mask;
/* If LENGTH is zero, this operand doesn't contribute to the value
so give it a standard value of zero. */
return 1;
}
-#if 0
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-#endif
-
- if (word_length > 32)
+ if (word_length > 8 * sizeof (CGEN_INSN_INT))
abort ();
/* For architectures with insns smaller than the insn-base-bitsize,
word_length may be too big. */
if (cd->min_insn_bitsize < cd->base_insn_bitsize)
{
- if (word_offset == 0
- && word_length > total_length)
- word_length = total_length;
+ if (word_offset + word_length > total_length)
+ word_length = total_length - word_offset;
}
- /* Does the value reside in INSN_VALUE? */
+ /* Does the value reside in INSN_VALUE, and at the right alignment? */
- if (CGEN_INT_INSN_P || word_offset == 0)
+ if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
{
- /* 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
{
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)
#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;
been called). */
static int
-extract_insn_normal (cd, insn, ex_info, insn_value, fields, pc)
- CGEN_CPU_DESC cd;
- const CGEN_INSN *insn;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- CGEN_FIELDS *fields;
- bfd_vma pc;
+extract_insn_normal (CGEN_CPU_DESC cd,
+ const CGEN_INSN *insn,
+ CGEN_EXTRACT_INFO *ex_info,
+ CGEN_INSN_INT insn_value,
+ CGEN_FIELDS *fields,
+ 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);
return CGEN_INSN_BITSIZE (insn);
}
\f
-/* machine generated code added here */
+/* Machine generated code added here. */
projects / deliverable / binutils-gdb.git / blobdiff