+/* 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
+ 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 Free Software Foundation, Inc.
+ Copyright (C) 1996-2024 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 "symcat.h"
#include "iq2000-desc.h"
#include "iq2000-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. */
int word_length,
unsigned char *bufp)
{
- unsigned long x,mask;
+ unsigned long x, mask;
int shift;
- x = cgen_get_insn_value (cd, bufp, word_length);
+ x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
/* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ mask = (1UL << (length - 1) << 1) - 1;
if (CGEN_INSN_LSB0_P)
shift = (start + 1) - length;
else
shift = (word_length - (start + length));
x = (x & ~(mask << shift)) | ((value & mask) << shift);
- cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
+ cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x, cd->endian);
}
#endif /* ! CGEN_INT_INSN_P */
CGEN_INSN_BYTES_PTR buffer)
{
static char errbuf[100];
- /* Written this way to avoid undefined behaviour. */
- unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ unsigned long mask;
/* If LENGTH is zero, this operand doesn't contribute to the value. */
if (length == 0)
return NULL;
-#if 0
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-#endif
+ /* Written this way to avoid undefined behaviour. */
+ mask = (1UL << (length - 1) << 1) - 1;
- 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_SIGN_OPT))
{
- long minval = - (1L << (length - 1));
+ long minval = - (1UL << (length - 1));
unsigned long maxval = mask;
-
+
if ((value > 0 && (unsigned long) value > maxval)
|| value < minval)
{
else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
{
unsigned long maxval = mask;
-
- if ((unsigned long) value > maxval)
+ 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 (%lu not between 0 and %lu)"),
- value, maxval);
+ _("operand out of range (0x%lx not between 0 and 0x%lx)"),
+ val, maxval);
return errbuf;
}
}
{
if (! cgen_signed_overflow_ok_p (cd))
{
- long minval = - (1L << (length - 1));
- long maxval = (1L << (length - 1)) - 1;
-
+ long minval = - (1UL << (length - 1));
+ long maxval = (1UL << (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);
}
#else
cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
- (unsigned) CGEN_FIELDS_BITSIZE (fields)),
- value);
+ (unsigned) CGEN_FIELDS_BITSIZE (fields)),
+ value, cd->insn_endian);
#endif /* ! CGEN_INT_INSN_P */
#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 (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
{
int shift = insn_length - length;
/* Written this way to avoid undefined behaviour. */
- CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ CGEN_INSN_INT mask = length == 0 ? 0 : (1UL << (length - 1) << 1) - 1;
+
*buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
}
}
{
unsigned long x;
int shift;
-#if 0
- int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
-#endif
- x = cgen_get_insn_value (cd, bufp, word_length);
+
+ x = cgen_get_insn_value (cd, bufp, word_length, cd->endian);
if (CGEN_INSN_LSB0_P)
shift = (start + 1) - length;
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, and at the right alignment? */
{
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)
- return 0;
+ {
+ *valuep = 0;
+ return 0;
+ }
value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
}
#endif /* ! CGEN_INT_INSN_P */
/* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ mask = (1UL << (length - 1) << 1) - 1;
value &= mask;
/* sign extend? */
if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
- && (value & (1L << (length - 1))))
+ && (value & (1UL << (length - 1))))
value |= ~mask;
*valuep = value;
return CGEN_INSN_BITSIZE (insn);
}
\f
-/* machine generated code added here */
+/* Machine generated code added here. */
const char * iq2000_cgen_insert_operand
- PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma));
+ (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
/* Main entry point for operand insertion.
resolved during parsing. */
const char *
-iq2000_cgen_insert_operand (cd, opindex, fields, buffer, pc)
- CGEN_CPU_DESC cd;
- int opindex;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc ATTRIBUTE_UNUSED;
+iq2000_cgen_insert_operand (CGEN_CPU_DESC cd,
+ int opindex,
+ CGEN_FIELDS * fields,
+ CGEN_INSN_BYTES_PTR buffer,
+ bfd_vma pc ATTRIBUTE_UNUSED)
{
const char * errmsg = NULL;
unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
switch (opindex)
{
+ case IQ2000_OPERAND__INDEX :
+ errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
+ break;
case IQ2000_OPERAND_BASE :
errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer);
break;
case IQ2000_OPERAND_EXECODE :
errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer);
break;
- case IQ2000_OPERAND_F_INDEX :
- errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer);
- break;
case IQ2000_OPERAND_HI16 :
errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer);
break;
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;
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;
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 ();
}
}
int iq2000_cgen_extract_operand
- PARAMS ((CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
- CGEN_FIELDS *, bfd_vma));
+ (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
/* Main entry point for operand extraction.
The result is <= 0 for error, >0 for success.
the handlers. */
int
-iq2000_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc)
- CGEN_CPU_DESC cd;
- int opindex;
- CGEN_EXTRACT_INFO *ex_info;
- CGEN_INSN_INT insn_value;
- CGEN_FIELDS * fields;
- bfd_vma pc;
+iq2000_cgen_extract_operand (CGEN_CPU_DESC cd,
+ int opindex,
+ CGEN_EXTRACT_INFO *ex_info,
+ CGEN_INSN_INT insn_value,
+ CGEN_FIELDS * fields,
+ bfd_vma pc)
{
/* Assume success (for those operands that are nops). */
int length = 1;
switch (opindex)
{
+ case IQ2000_OPERAND__INDEX :
+ length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
+ break;
case IQ2000_OPERAND_BASE :
length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs);
break;
case IQ2000_OPERAND_EXECODE :
length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode);
break;
- case IQ2000_OPERAND_F_INDEX :
- length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index);
- break;
case IQ2000_OPERAND_HI16 :
length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm);
break;
{
long value;
length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, pc, & value);
- value = ((((value) << (2))) + (((pc) + (4))));
+ value = ((((value) * (4))) + (((pc) + (4))));
fields->f_offset = value;
}
break;
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,
};
-int iq2000_cgen_get_int_operand
- PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *));
-bfd_vma iq2000_cgen_get_vma_operand
- PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *));
+int iq2000_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
+bfd_vma iq2000_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
/* Getting values from cgen_fields is handled by a collection of functions.
They are distinguished by the type of the VALUE argument they return.
not appropriate. */
int
-iq2000_cgen_get_int_operand (cd, opindex, fields)
- CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
- int opindex;
- const CGEN_FIELDS * fields;
+iq2000_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ int opindex,
+ const CGEN_FIELDS * fields)
{
int value;
switch (opindex)
{
+ case IQ2000_OPERAND__INDEX :
+ value = fields->f_index;
+ break;
case IQ2000_OPERAND_BASE :
value = fields->f_rs;
break;
case IQ2000_OPERAND_EXECODE :
value = fields->f_excode;
break;
- case IQ2000_OPERAND_F_INDEX :
- value = fields->f_index;
- break;
case IQ2000_OPERAND_HI16 :
value = fields->f_imm;
break;
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 ();
}
}
bfd_vma
-iq2000_cgen_get_vma_operand (cd, opindex, fields)
- CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
- int opindex;
- const CGEN_FIELDS * fields;
+iq2000_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ int opindex,
+ const CGEN_FIELDS * fields)
{
bfd_vma value;
switch (opindex)
{
+ case IQ2000_OPERAND__INDEX :
+ value = fields->f_index;
+ break;
case IQ2000_OPERAND_BASE :
value = fields->f_rs;
break;
case IQ2000_OPERAND_EXECODE :
value = fields->f_excode;
break;
- case IQ2000_OPERAND_F_INDEX :
- value = fields->f_index;
- break;
case IQ2000_OPERAND_HI16 :
value = fields->f_imm;
break;
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 ();
}
return value;
}
-void iq2000_cgen_set_int_operand
- PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, int));
-void iq2000_cgen_set_vma_operand
- PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma));
+void iq2000_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
+void iq2000_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
/* Stuffing values in cgen_fields is handled by a collection of functions.
They are distinguished by the type of the VALUE argument they accept.
not appropriate. */
void
-iq2000_cgen_set_int_operand (cd, opindex, fields, value)
- CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
- int opindex;
- CGEN_FIELDS * fields;
- int value;
+iq2000_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ int opindex,
+ CGEN_FIELDS * fields,
+ int value)
{
switch (opindex)
{
+ case IQ2000_OPERAND__INDEX :
+ fields->f_index = value;
+ break;
case IQ2000_OPERAND_BASE :
fields->f_rs = value;
break;
case IQ2000_OPERAND_EXECODE :
fields->f_excode = value;
break;
- case IQ2000_OPERAND_F_INDEX :
- fields->f_index = value;
- break;
case IQ2000_OPERAND_HI16 :
fields->f_imm = value;
break;
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 ();
}
}
void
-iq2000_cgen_set_vma_operand (cd, opindex, fields, value)
- CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
- int opindex;
- CGEN_FIELDS * fields;
- bfd_vma value;
+iq2000_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ int opindex,
+ CGEN_FIELDS * fields,
+ bfd_vma value)
{
switch (opindex)
{
+ case IQ2000_OPERAND__INDEX :
+ fields->f_index = value;
+ break;
case IQ2000_OPERAND_BASE :
fields->f_rs = value;
break;
case IQ2000_OPERAND_EXECODE :
fields->f_excode = value;
break;
- case IQ2000_OPERAND_F_INDEX :
- fields->f_index = value;
- break;
case IQ2000_OPERAND_HI16 :
fields->f_imm = value;
break;
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 ();
}
}
/* Function to call before using the instruction builder tables. */
void
-iq2000_cgen_init_ibld_table (cd)
- CGEN_CPU_DESC cd;
+iq2000_cgen_init_ibld_table (CGEN_CPU_DESC cd)
{
cd->insert_handlers = & iq2000_cgen_insert_handlers[0];
cd->extract_handlers = & iq2000_cgen_extract_handlers[0];
projects / thirdparty / binutils-gdb.git / blobdiff