/* Disassembler interface for targets using CGEN. -*- C -*-
CGEN: Cpu tools GENerator
-THIS FILE IS MACHINE GENERATED WITH CGEN.
-- the resultant file is machine generated, cgen-dis.in isn't
+ THIS FILE IS MACHINE GENERATED WITH CGEN.
+ - the resultant file is machine generated, cgen-dis.in isn't
-Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
-Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005
+ 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.,
+ 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. */
static void print_normal
(CGEN_CPU_DESC, void *, long, unsigned int, bfd_vma, int);
static void print_address
- (CGEN_CPU_DESC, void *, bfd_vma, unsigned int, bfd_vma, int);
+ (CGEN_CPU_DESC, void *, bfd_vma, unsigned int, bfd_vma, int) ATTRIBUTE_UNUSED;
static void print_keyword
- (CGEN_CPU_DESC, void *, CGEN_KEYWORD *, long, unsigned int);
+ (CGEN_CPU_DESC, void *, CGEN_KEYWORD *, long, unsigned int) ATTRIBUTE_UNUSED;
static void print_insn_normal
(CGEN_CPU_DESC, void *, const CGEN_INSN *, CGEN_FIELDS *, bfd_vma, int);
static int print_insn
- (CGEN_CPU_DESC, bfd_vma, disassemble_info *, char *, unsigned);
+ (CGEN_CPU_DESC, bfd_vma, disassemble_info *, bfd_byte *, unsigned);
static int default_print_insn
- (CGEN_CPU_DESC, bfd_vma, disassemble_info *);
+ (CGEN_CPU_DESC, bfd_vma, disassemble_info *) ATTRIBUTE_UNUSED;
static int read_insn
- (CGEN_CPU_DESC, bfd_vma, disassemble_info *, char *, int, CGEN_EXTRACT_INFO *,
+ (CGEN_CPU_DESC, bfd_vma, disassemble_info *, bfd_byte *, int, CGEN_EXTRACT_INFO *,
unsigned long *);
\f
-/* -- disassembler routines inserted here */
+/* -- disassembler routines inserted here. */
/* -- dis.c */
-static void print_hash PARAMS ((CGEN_CPU_DESC, PTR, long, unsigned, bfd_vma, int));
-static int my_print_insn PARAMS ((CGEN_CPU_DESC, bfd_vma, disassemble_info *));
-
/* Immediate values are prefixed with '#'. */
#define CGEN_PRINT_NORMAL(cd, info, value, attrs, pc, length) \
/* Handle '#' prefixes as operands. */
static void
-print_hash (cd, dis_info, value, attrs, pc, length)
- CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;
- PTR dis_info;
- long value ATTRIBUTE_UNUSED;
- unsigned int attrs ATTRIBUTE_UNUSED;
- bfd_vma pc ATTRIBUTE_UNUSED;
- int length ATTRIBUTE_UNUSED;
+print_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ void * dis_info,
+ long value ATTRIBUTE_UNUSED,
+ unsigned int attrs ATTRIBUTE_UNUSED,
+ bfd_vma pc ATTRIBUTE_UNUSED,
+ int length ATTRIBUTE_UNUSED)
{
disassemble_info *info = (disassemble_info *) dis_info;
+
(*info->fprintf_func) (info->stream, "#");
}
#define CGEN_PRINT_INSN my_print_insn
static int
-my_print_insn (cd, pc, info)
- CGEN_CPU_DESC cd;
- bfd_vma pc;
- disassemble_info *info;
+my_print_insn (CGEN_CPU_DESC cd,
+ bfd_vma pc,
+ disassemble_info *info)
{
- char buffer[CGEN_MAX_INSN_SIZE];
- char *buf = buffer;
+ bfd_byte buffer[CGEN_MAX_INSN_SIZE];
+ bfd_byte *buf = buffer;
int status;
int buflen = (pc & 3) == 0 ? 4 : 2;
int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG;
- char *x;
+ bfd_byte *x;
/* Read the base part of the insn. */
- status = (*info->read_memory_func) (pc, buf, buflen, info);
+ status = (*info->read_memory_func) (pc - ((!big_p && (pc & 3) != 0) ? 2 : 0),
+ buf, buflen, info);
if (status != 0)
{
(*info->memory_error_func) (status, pc, info);
return print_insn (cd, pc, info, buf, buflen);
/* Print the first insn. */
- buf += (big_p ? 0 : 2);
if ((pc & 3) == 0)
{
+ buf += (big_p ? 0 : 2);
if (print_insn (cd, pc, info, buf, 2) == 0)
(*info->fprintf_func) (info->stream, UNKNOWN_INSN_MSG);
+ buf += (big_p ? 2 : -2);
}
- buf += (big_p ? 2 : -2);
x = (big_p ? &buf[0] : &buf[1]);
if (*x & 0x80)
/* -- */
void m32r_cgen_print_operand
- PARAMS ((CGEN_CPU_DESC, int, PTR, CGEN_FIELDS *,
- void const *, bfd_vma, int));
+ (CGEN_CPU_DESC, int, PTR, CGEN_FIELDS *, void const *, bfd_vma, int);
/* Main entry point for printing operands.
XINFO is a `void *' and not a `disassemble_info *' to not put a requirement
the handlers. */
void
-m32r_cgen_print_operand (cd, opindex, xinfo, fields, attrs, pc, length)
- CGEN_CPU_DESC cd;
- int opindex;
- PTR xinfo;
- CGEN_FIELDS *fields;
- void const *attrs ATTRIBUTE_UNUSED;
- bfd_vma pc;
- int length;
+m32r_cgen_print_operand (CGEN_CPU_DESC cd,
+ int opindex,
+ void * xinfo,
+ CGEN_FIELDS *fields,
+ void const *attrs ATTRIBUTE_UNUSED,
+ bfd_vma pc,
+ int length)
{
- disassemble_info *info = (disassemble_info *) xinfo;
+ disassemble_info *info = (disassemble_info *) xinfo;
switch (opindex)
{
void
-m32r_cgen_init_dis (cd)
- CGEN_CPU_DESC cd;
+m32r_cgen_init_dis (CGEN_CPU_DESC cd)
{
m32r_cgen_init_opcode_table (cd);
m32r_cgen_init_ibld_table (cd);
/* Print the operand as directed by the attributes. */
if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_SEM_ONLY))
- ; /* nothing to do */
+ ; /* Nothing to do. */
else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_PCREL_ADDR))
(*info->print_address_func) (value, info);
else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_ABS_ADDR))
read_insn (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
bfd_vma pc,
disassemble_info *info,
- char *buf,
+ bfd_byte *buf,
int buflen,
CGEN_EXTRACT_INFO *ex_info,
unsigned long *insn_value)
{
int status = (*info->read_memory_func) (pc, buf, buflen, info);
+
if (status != 0)
{
(*info->memory_error_func) (status, pc, info);
print_insn (CGEN_CPU_DESC cd,
bfd_vma pc,
disassemble_info *info,
- char *buf,
+ bfd_byte *buf,
unsigned int buflen)
{
CGEN_INSN_INT insn_value;
/* The instructions are stored in hash lists.
Pick the first one and keep trying until we find the right one. */
- insn_list = CGEN_DIS_LOOKUP_INSN (cd, buf, insn_value);
+ insn_list = CGEN_DIS_LOOKUP_INSN (cd, (char *) buf, insn_value);
while (insn_list != NULL)
{
const CGEN_INSN *insn = insn_list->insn;
length = CGEN_EXTRACT_FN (cd, insn)
(cd, insn, &ex_info, insn_value_cropped, &fields, pc);
- /* length < 0 -> error */
+ /* Length < 0 -> error. */
if (length < 0)
return length;
if (length > 0)
{
CGEN_PRINT_FN (cd, insn) (cd, info, insn, &fields, pc, length);
- /* length is in bits, result is in bytes */
+ /* Length is in bits, result is in bytes. */
return length / 8;
}
}
static int
default_print_insn (CGEN_CPU_DESC cd, bfd_vma pc, disassemble_info *info)
{
- char buf[CGEN_MAX_INSN_SIZE];
+ bfd_byte buf[CGEN_MAX_INSN_SIZE];
int buflen;
int status;
Print one instruction from PC on INFO->STREAM.
Return the size of the instruction (in bytes). */
-typedef struct cpu_desc_list {
+typedef struct cpu_desc_list
+{
struct cpu_desc_list *next;
int isa;
int mach;
if (!cd)
abort ();
- /* save this away for future reference */
+ /* Save this away for future reference. */
cl = xmalloc (sizeof (struct cpu_desc_list));
cl->cd = cd;
cl->isa = isa;
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