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-rw-r--r--contrib/binutils/opcodes/cgen-asm.c105
1 files changed, 55 insertions, 50 deletions
diff --git a/contrib/binutils/opcodes/cgen-asm.c b/contrib/binutils/opcodes/cgen-asm.c
index 732ba57..6dd558b 100644
--- a/contrib/binutils/opcodes/cgen-asm.c
+++ b/contrib/binutils/opcodes/cgen-asm.c
@@ -1,28 +1,30 @@
/* CGEN generic assembler support code.
-Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
-This file is part of the GNU Binutils and GDB, the GNU debugger.
+ This file is part of the GNU Binutils and GDB, the GNU debugger.
-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 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 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.
+ 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.
-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.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "sysdep.h"
#include <stdio.h>
+#include <ctype.h>
#include "ansidecl.h"
#include "libiberty.h"
#include "bfd.h"
+#include "symcat.h"
#include "opcode/cgen.h"
/* Operand parsing callback. */
@@ -64,11 +66,11 @@ cgen_init_parse_operand ()
static void
build_asm_hash_table ()
{
- int i;
unsigned int hash;
int count = cgen_insn_count ();
CGEN_OPCODE_DATA *data = cgen_current_opcode_data;
CGEN_INSN_TABLE *insn_table = data->insn_table;
+ unsigned int entry_size = insn_table->entry_size;
unsigned int hash_size = insn_table->asm_hash_table_size;
const CGEN_INSN *insn;
CGEN_INSN_LIST *insn_lists,*new_insns;
@@ -87,13 +89,18 @@ build_asm_hash_table ()
/* Add compiled in insns.
The table is scanned backwards as later additions are inserted in
front of earlier ones and we want earlier ones to be prefered.
- We stop at the first one as it is a reserved entry. */
-
- for (insn = insn_table->init_entries + insn_table->num_init_entries - 1;
+ We stop at the first one as it is a reserved entry.
+ This is a bit tricky as the attribute member of CGEN_INSN is variable
+ among architectures. This code could be moved to cgen-asm.in, but
+ I prefer to keep it here for now. */
+
+ for (insn = (CGEN_INSN *)
+ ((char *) insn_table->init_entries
+ + entry_size * (insn_table->num_init_entries - 1));
insn > insn_table->init_entries;
- --insn, ++insn_lists)
+ insn = (CGEN_INSN *) ((char *) insn - entry_size), ++insn_lists)
{
- hash = (*insn_table->asm_hash) (insn->syntax.mnemonic);
+ hash = (*insn_table->asm_hash) CGEN_INSN_MNEMONIC (insn);
insn_lists->next = asm_hash_table[hash];
insn_lists->insn = insn;
asm_hash_table[hash] = insn_lists;
@@ -106,7 +113,7 @@ build_asm_hash_table ()
new_insns != NULL;
new_insns = new_insns->next, ++insn_lists)
{
- hash = (*insn_table->asm_hash) (new_insns->insn->syntax.mnemonic);
+ hash = (*insn_table->asm_hash) CGEN_INSN_MNEMONIC (new_insns->insn);
insn_lists->next = asm_hash_table[hash];
insn_lists->insn = new_insns->insn;
asm_hash_table[hash] = insn_lists;
@@ -139,35 +146,40 @@ cgen_asm_lookup_insn (insn)
const char *
cgen_parse_keyword (strp, keyword_table, valuep)
const char **strp;
- struct cgen_keyword *keyword_table;
+ CGEN_KEYWORD *keyword_table;
long *valuep;
{
- const struct cgen_keyword_entry *ke;
+ const CGEN_KEYWORD_ENTRY *ke;
char buf[256];
- const char *p;
+ const char *p,*start;
- p = *strp;
+ p = start = *strp;
- /* Allow any first character. */
+ /* Allow any first character.
+ Note that this allows recognizing ",a" for the annul flag in sparc
+ even though "," is subsequently not a valid keyword char. */
if (*p)
++p;
/* Now allow letters, digits, and _. */
- while (isalnum (*p) || *p == '_')
+ while (((p - start) < (int) sizeof (buf))
+ && (isalnum ((unsigned char) *p) || *p == '_'))
++p;
- if (p - *strp > 255)
+ if (p - start >= (int) sizeof (buf))
return "unrecognized keyword/register name";
- memcpy (buf, *strp, p - *strp);
- buf[p - *strp] = 0;
+ memcpy (buf, start, p - start);
+ buf[p - start] = 0;
ke = cgen_keyword_lookup_name (keyword_table, buf);
if (ke != NULL)
{
*valuep = ke->value;
- *strp = p;
+ /* Don't advance pointer if we recognized the null keyword. */
+ if (ke->name[0] != 0)
+ *strp = p;
return NULL;
}
@@ -177,13 +189,12 @@ cgen_parse_keyword (strp, keyword_table, valuep)
/* Signed integer parser. */
const char *
-cgen_parse_signed_integer (strp, opindex, min, max, valuep)
+cgen_parse_signed_integer (strp, opindex, valuep)
const char **strp;
int opindex;
- long min, max;
long *valuep;
{
- long value;
+ bfd_vma value;
enum cgen_parse_operand_result result;
const char *errmsg;
@@ -192,24 +203,19 @@ cgen_parse_signed_integer (strp, opindex, min, max, valuep)
&result, &value);
/* FIXME: Examine `result'. */
if (!errmsg)
- {
- if (value < min || value > max)
- return "integer operand out of range";
- *valuep = value;
- }
+ *valuep = value;
return errmsg;
}
/* Unsigned integer parser. */
const char *
-cgen_parse_unsigned_integer (strp, opindex, min, max, valuep)
+cgen_parse_unsigned_integer (strp, opindex, valuep)
const char **strp;
int opindex;
- unsigned long min, max;
unsigned long *valuep;
{
- unsigned long value;
+ bfd_vma value;
enum cgen_parse_operand_result result;
const char *errmsg;
@@ -218,33 +224,32 @@ cgen_parse_unsigned_integer (strp, opindex, min, max, valuep)
&result, &value);
/* FIXME: Examine `result'. */
if (!errmsg)
- {
- if (value < min || value > max)
- return "integer operand out of range";
- *valuep = value;
- }
+ *valuep = value;
return errmsg;
}
/* Address parser. */
const char *
-cgen_parse_address (strp, opindex, opinfo, valuep)
+cgen_parse_address (strp, opindex, opinfo, resultp, valuep)
const char **strp;
int opindex;
int opinfo;
+ enum cgen_parse_operand_result *resultp;
long *valuep;
{
- long value;
- enum cgen_parse_operand_result result;
+ bfd_vma value;
+ enum cgen_parse_operand_result result_type;
const char *errmsg;
errmsg = (*cgen_parse_operand_fn) (CGEN_PARSE_OPERAND_ADDRESS, strp,
opindex, opinfo,
- &result, &value);
+ &result_type, &value);
/* FIXME: Examine `result'. */
if (!errmsg)
{
+ if (resultp != NULL)
+ *resultp = result_type;
*valuep = value;
}
return errmsg;
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