/* Disassemble D10V instructions.
- Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
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
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
#include <stdio.h>
#include "sysdep.h"
-#include "opcode/d10v.h"
+#include "opcode/d10v.h"
#include "dis-asm.h"
-/* the PC wraps at 18 bits, except for the segment number */
-/* so use this mask to keep the parts we want */
+/* The PC wraps at 18 bits, except for the segment number,
+ so use this mask to keep the parts we want. */
#define PC_MASK 0x0303FFFF
-static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr,
+static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr,
struct disassemble_info *info, int order));
-static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr,
+static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr,
struct disassemble_info *info));
-int
+int
print_insn_d10v (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
insn = bfd_getb32 (buffer);
status = insn & FM11;
- switch (status) {
- case 0:
- dis_2_short (insn, memaddr, info, 2);
- break;
- case FM01:
- dis_2_short (insn, memaddr, info, 0);
- break;
- case FM10:
- dis_2_short (insn, memaddr, info, 1);
- break;
- case FM11:
- dis_long (insn, memaddr, info);
- break;
- }
+ switch (status)
+ {
+ case 0:
+ dis_2_short (insn, memaddr, info, 2);
+ break;
+ case FM01:
+ dis_2_short (insn, memaddr, info, 0);
+ break;
+ case FM10:
+ dis_2_short (insn, memaddr, info, 1);
+ break;
+ case FM11:
+ dis_long (insn, memaddr, info);
+ break;
+ }
return 4;
}
if (oper->flags == OPERAND_ATMINUS)
{
- (*info->fprintf_func) (info->stream, "@-");
+ (*info->fprintf_func) (info->stream, "@-");
return;
}
if (oper->flags == OPERAND_MINUS)
{
- (*info->fprintf_func) (info->stream, "-");
+ (*info->fprintf_func) (info->stream, "-");
return;
}
if (oper->flags == OPERAND_PLUS)
{
- (*info->fprintf_func) (info->stream, "+");
+ (*info->fprintf_func) (info->stream, "+");
return;
}
if (oper->flags == OPERAND_ATSIGN)
{
- (*info->fprintf_func) (info->stream, "@");
+ (*info->fprintf_func) (info->stream, "@");
return;
}
if (oper->flags == OPERAND_ATPAR)
{
- (*info->fprintf_func) (info->stream, "@(");
+ (*info->fprintf_func) (info->stream, "@(");
return;
}
shift = oper->shift;
- /* the LONG_L format shifts registers over by 15 */
+ /* The LONG_L format shifts registers over by 15. */
if (op->format == LONG_L && (oper->flags & OPERAND_REG))
shift += 15;
if (oper->flags & OPERAND_REG)
{
int i;
- int match=0;
+ int match = 0;
num += (oper->flags
- & (OPERAND_GPR|OPERAND_FFLAG|OPERAND_CFLAG|OPERAND_CONTROL));
- if (oper->flags & (OPERAND_ACC0|OPERAND_ACC1))
+ & (OPERAND_GPR | OPERAND_FFLAG | OPERAND_CFLAG | OPERAND_CONTROL));
+ if (oper->flags & (OPERAND_ACC0 | OPERAND_ACC1))
num += num ? OPERAND_ACC1 : OPERAND_ACC0;
- for (i = 0; i < d10v_reg_name_cnt(); i++)
+ for (i = 0; i < d10v_reg_name_cnt (); i++)
{
if (num == d10v_predefined_registers[i].value)
{
if (d10v_predefined_registers[i].pname)
- (*info->fprintf_func) (info->stream, "%s",d10v_predefined_registers[i].pname);
+ (*info->fprintf_func) (info->stream, "%s",
+ d10v_predefined_registers[i].pname);
else
- (*info->fprintf_func) (info->stream, "%s",d10v_predefined_registers[i].name);
- match=1;
+ (*info->fprintf_func) (info->stream, "%s",
+ d10v_predefined_registers[i].name);
+ match = 1;
break;
}
}
if (match == 0)
{
- /* this would only get executed if a register was not in the
- register table */
- if (oper->flags & (OPERAND_ACC0|OPERAND_ACC1))
+ /* This would only get executed if a register was not in the
+ register table. */
+ if (oper->flags & (OPERAND_ACC0 | OPERAND_ACC1))
(*info->fprintf_func) (info->stream, "a");
else if (oper->flags & OPERAND_CONTROL)
(*info->fprintf_func) (info->stream, "cr");
- else if(oper->flags & OPERAND_REG)
+ else if (oper->flags & OPERAND_REG)
(*info->fprintf_func) (info->stream, "r");
- (*info->fprintf_func) (info->stream, "%d",num);
+ (*info->fprintf_func) (info->stream, "%d", num);
}
}
else
{
- /* addresses are right-shifted by 2 */
+ /* Addresses are right-shifted by 2. */
if (oper->flags & OPERAND_ADDR)
{
long max;
- int neg=0;
+ int neg = 0;
max = (1 << (oper->bits - 1));
if (num & max)
{
- num = -num & ((1 << oper->bits)-1);
+ num = -num & ((1 << oper->bits) - 1);
neg = 1;
}
- num = num<<2;
+ num = num << 2;
if (info->flags & INSN_HAS_RELOC)
(*info->print_address_func) (num & PC_MASK, info);
else
int max = (1 << (oper->bits - 1));
if (num & max)
{
- num = -num & ((1 << oper->bits)-1);
+ num = -num & ((1 << oper->bits) - 1);
(*info->fprintf_func) (info->stream, "-");
}
}
- (*info->fprintf_func) (info->stream, "0x%x",num);
+ (*info->fprintf_func) (info->stream, "0x%x", num);
}
}
}
-
static void
dis_long (insn, memaddr, info)
unsigned long insn;
{
int i;
char buf[32];
- struct d10v_opcode *op = (struct d10v_opcode *)d10v_opcodes;
+ struct d10v_opcode *op = (struct d10v_opcode *) d10v_opcodes;
struct d10v_operand *oper;
int need_paren = 0;
int match = 0;
if ((op->format & LONG_OPCODE) && ((op->mask & insn) == op->opcode))
{
match = 1;
- (*info->fprintf_func) (info->stream, "%s\t", op->name);
- for ( i=0; op->operands[i]; i++)
+ (*info->fprintf_func) (info->stream, "%s\t", op->name);
+ for (i = 0; op->operands[i]; i++)
{
- oper = (struct d10v_operand *)&d10v_operands[op->operands[i]];
+ oper = (struct d10v_operand *) &d10v_operands[op->operands[i]];
if (oper->flags == OPERAND_ATPAR)
need_paren = 1;
print_operand (oper, insn, op, memaddr, info);
- if (op->operands[i+1] && oper->bits &&
- d10v_operands[op->operands[i+1]].flags != OPERAND_PLUS &&
- d10v_operands[op->operands[i+1]].flags != OPERAND_MINUS)
- (*info->fprintf_func) (info->stream, ", ");
+ if (op->operands[i + 1] && oper->bits
+ && d10v_operands[op->operands[i + 1]].flags != OPERAND_PLUS
+ && d10v_operands[op->operands[i + 1]].flags != OPERAND_MINUS)
+ (*info->fprintf_func) (info->stream, ", ");
}
break;
}
}
if (!match)
- (*info->fprintf_func) (info->stream, ".long\t0x%08x",insn);
+ (*info->fprintf_func) (info->stream, ".long\t0x%08x", insn);
if (need_paren)
- (*info->fprintf_func) (info->stream, ")");
+ (*info->fprintf_func) (info->stream, ")");
}
static void
struct disassemble_info *info;
int order;
{
- int i,j;
+ int i, j;
char astr[2][32];
unsigned int ins[2];
struct d10v_opcode *op;
char buf[32];
- int match, num_match=0;
+ int match, num_match = 0;
struct d10v_operand *oper;
int need_paren = 0;
ins[0] = (insn & 0x3FFFFFFF) >> 15;
ins[1] = insn & 0x00007FFF;
- for(j=0;j<2;j++)
+ for (j = 0; j < 2; j++)
{
- op = (struct d10v_opcode *)d10v_opcodes;
- match=0;
+ op = (struct d10v_opcode *) d10v_opcodes;
+ match = 0;
while (op->name)
{
- if ((op->format & SHORT_OPCODE) && ((op->mask & ins[j]) == op->opcode))
+ if ((op->format & SHORT_OPCODE)
+ && ((op->mask & ins[j]) == op->opcode))
{
- (*info->fprintf_func) (info->stream, "%s\t",op->name);
- for (i=0; op->operands[i]; i++)
+ (*info->fprintf_func) (info->stream, "%s\t", op->name);
+ for (i = 0; op->operands[i]; i++)
{
- oper = (struct d10v_operand *)&d10v_operands[op->operands[i]];
+ oper = (struct d10v_operand *) &d10v_operands[op->operands[i]];
if (oper->flags == OPERAND_ATPAR)
need_paren = 1;
print_operand (oper, ins[j], op, memaddr, info);
- if (op->operands[i+1] && oper->bits &&
- d10v_operands[op->operands[i+1]].flags != OPERAND_PLUS &&
- d10v_operands[op->operands[i+1]].flags != OPERAND_MINUS)
- (*info->fprintf_func) (info->stream, ", ");
+ if (op->operands[i + 1] && oper->bits
+ && d10v_operands[op->operands[i + 1]].flags != OPERAND_PLUS
+ && d10v_operands[op->operands[i + 1]].flags != OPERAND_MINUS)
+ (*info->fprintf_func) (info->stream, ", ");
}
match = 1;
num_match++;
op++;
}
if (!match)
- (*info->fprintf_func) (info->stream, "unknown");
+ (*info->fprintf_func) (info->stream, "unknown");
switch (order)
{
case 0:
- (*info->fprintf_func) (info->stream, "\t->\t");
+ (*info->fprintf_func) (info->stream, "\t->\t");
order = -1;
break;
case 1:
- (*info->fprintf_func) (info->stream, "\t<-\t");
+ (*info->fprintf_func) (info->stream, "\t<-\t");
order = -1;
break;
case 2:
- (*info->fprintf_func) (info->stream, "\t||\t");
+ (*info->fprintf_func) (info->stream, "\t||\t");
order = -1;
break;
default:
}
if (num_match == 0)
- (*info->fprintf_func) (info->stream, ".long\t0x%08x",insn);
+ (*info->fprintf_func) (info->stream, ".long\t0x%08x", insn);
if (need_paren)
- (*info->fprintf_func) (info->stream, ")");
+ (*info->fprintf_func) (info->stream, ")");
}
/* Disassemble D30V instructions.
- Copyright 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
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
#include <stdio.h>
#include "sysdep.h"
-#include "opcode/d30v.h"
+#include "opcode/d30v.h"
#include "dis-asm.h"
#include "opintl.h"
#define PC_MASK 0xFFFFFFFF
-static int lookup_opcode PARAMS (( struct d30v_insn *insn, long num, int is_long ));
-static void print_insn PARAMS (( struct disassemble_info *info, bfd_vma memaddr, long long num,
- struct d30v_insn *insn, int is_long, int show_ext ));
-static int extract_value PARAMS (( long long num, struct d30v_operand *oper, int is_long ));
+static int lookup_opcode PARAMS ((struct d30v_insn *insn, long num, int is_long));
+static void print_insn PARAMS ((struct disassemble_info *info, bfd_vma memaddr, long long num,
+ struct d30v_insn *insn, int is_long, int show_ext));
+static int extract_value PARAMS ((long long num, struct d30v_operand *oper, int is_long));
-int
+int
print_insn_d30v (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
{
int status, result;
bfd_byte buffer[12];
- unsigned long in1,in2;
+ unsigned long in1, in2;
struct d30v_insn insn;
long long num;
- insn.form = (struct d30v_format *)NULL;
+ insn.form = (struct d30v_format *) NULL;
info->bytes_per_line = 8;
info->bytes_per_chunk = 4;
}
in1 = bfd_getb32 (buffer);
- status = (*info->read_memory_func) (memaddr+4, buffer, 4, info);
+ status = (*info->read_memory_func) (memaddr + 4, buffer, 4, info);
if (status != 0)
{
info->bytes_per_line = 8;
- if (!(result = lookup_opcode(&insn, in1, 0)))
- (*info->fprintf_func) (info->stream, ".long\t0x%x",in1);
+ if (!(result = lookup_opcode (&insn, in1, 0)))
+ (*info->fprintf_func) (info->stream, ".long\t0x%x", in1);
else
- print_insn(info, memaddr, (long long) in1, &insn, 0, result);
- return 4;
+ print_insn (info, memaddr, (long long) in1, &insn, 0, result);
+ return 4;
}
in2 = bfd_getb32 (buffer);
-
+
if (in1 & in2 & FM01)
{
- /* LONG instruction */
- if (!(result = lookup_opcode(&insn, in1, 1)))
+ /* LONG instruction. */
+ if (!(result = lookup_opcode (&insn, in1, 1)))
{
- (*info->fprintf_func) (info->stream, ".long\t0x%x,0x%x",in1,in2);
+ (*info->fprintf_func) (info->stream, ".long\t0x%x,0x%x", in1, in2);
return 8;
}
- num = (long long)in1 << 32 | in2;
- print_insn(info, memaddr, num, &insn, 1, result);
+ num = (long long) in1 << 32 | in2;
+ print_insn (info, memaddr, num, &insn, 1, result);
}
else
{
num = in1;
- if (!(result = lookup_opcode(&insn, in1, 0)))
- (*info->fprintf_func) (info->stream, ".long\t0x%x",in1);
+ if (!(result = lookup_opcode (&insn, in1, 0)))
+ (*info->fprintf_func) (info->stream, ".long\t0x%x", in1);
else
- print_insn(info, memaddr, num, &insn, 0, result);
-
- switch ( ((in1>>31)<<1) | (in2>>31) )
+ print_insn (info, memaddr, num, &insn, 0, result);
+
+ switch (((in1 >> 31) << 1) | (in2 >> 31))
{
case 0:
- (*info->fprintf_func) (info->stream, "\t||\t");
+ (*info->fprintf_func) (info->stream, "\t||\t");
break;
case 1:
- (*info->fprintf_func) (info->stream, "\t->\t");
+ (*info->fprintf_func) (info->stream, "\t->\t");
break;
case 2:
- (*info->fprintf_func) (info->stream, "\t<-\t");
+ (*info->fprintf_func) (info->stream, "\t<-\t");
default:
break;
}
-
- insn.form = (struct d30v_format *)NULL;
+
+ insn.form = (struct d30v_format *) NULL;
num = in2;
- if (!(result = lookup_opcode(&insn, in2, 0)))
- (*info->fprintf_func) (info->stream, ".long\t0x%x",in2);
+ if (!(result = lookup_opcode (&insn, in2, 0)))
+ (*info->fprintf_func) (info->stream, ".long\t0x%x", in2);
else
- print_insn(info, memaddr, num, &insn, 0, result);
-
+ print_insn (info, memaddr, num, &insn, 0, result);
}
return 8;
}
+/* Return 0 if lookup fails,
+ 1 if found and only one form,
+ 2 if found and there are short and long forms. */
-/* returns 0 if lookup fails */
-/* 1 if found and only one form */
-/* 2 if found and there are short and long forms */
static int
lookup_opcode (insn, num, is_long)
struct d30v_insn *insn;
long num;
int is_long;
{
- int i=0, index;
+ int i = 0, index;
struct d30v_format *f;
- struct d30v_opcode *op = (struct d30v_opcode *)d30v_opcode_table;
+ struct d30v_opcode *op = (struct d30v_opcode *) d30v_opcode_table;
int op1 = (num >> 25) & 0x7;
int op2 = (num >> 20) & 0x1f;
int mod = (num >> 18) & 0x3;
- /* find the opcode */
- do {
- if ((op->op1 == op1) && (op->op2 == op2))
- break;
- op++;
- } while (op->name);
+ /* Find the opcode. */
+ do
+ {
+ if ((op->op1 == op1) && (op->op2 == op2))
+ break;
+ op++;
+ }
+ while (op->name);
if (!op || !op->name)
return 0;
while (op->op1 == op1 && op->op2 == op2)
{
- /* scan through all the formats for the opcode */
+ /* Scan through all the formats for the opcode. */
index = op->format[i++];
- do
+ do
{
- f = (struct d30v_format *)&d30v_format_table[index];
+ f = (struct d30v_format *) &d30v_format_table[index];
while (f->form == index)
{
if ((!is_long || f->form >= LONG) && (f->modifier == mod))
}
if (insn->form)
break;
- } while ((index = op->format[i++]) != 0);
+ }
+ while ((index = op->format[i++]) != 0);
if (insn->form)
break;
op++;
- i=0;
+ i = 0;
}
if (insn->form == NULL)
return 0;
return 1;
}
-
-static void
-print_insn ( info, memaddr, num, insn, is_long, show_ext )
+static void
+print_insn (info, memaddr, num, insn, is_long, show_ext)
struct disassemble_info *info;
bfd_vma memaddr;
long long num;
int is_long;
int show_ext;
{
- int val, opnum, need_comma=0;
+ int val, opnum, need_comma = 0;
struct d30v_operand *oper;
- int i, match, opind=0, need_paren=0, found_control=0;
+ int i, match, opind = 0, need_paren = 0, found_control = 0;
- (*info->fprintf_func) (info->stream, "%s",insn->op->name);
+ (*info->fprintf_func) (info->stream, "%s", insn->op->name);
- /* check for CMP or CMPU */
+ /* Check for CMP or CMPU. */
if (d30v_operand_table[insn->form->operands[0]].flags & OPERAND_NAME)
{
opind++;
- val = extract_value(num,(struct d30v_operand *)&d30v_operand_table[insn->form->operands[0]],is_long);
- (*info->fprintf_func) (info->stream, "%s",d30v_cc_names[val]);
+ val =
+ extract_value (num,
+ (struct d30v_operand *) &d30v_operand_table[insn->form->operands[0]],
+ is_long);
+ (*info->fprintf_func) (info->stream, "%s", d30v_cc_names[val]);
}
- /* add in ".s" or ".l" */
+ /* Add in ".s" or ".l". */
if (show_ext == 2)
{
if (is_long)
}
if (insn->ecc)
- (*info->fprintf_func) (info->stream, "/%s",d30v_ecc_names[insn->ecc]);
+ (*info->fprintf_func) (info->stream, "/%s", d30v_ecc_names[insn->ecc]);
(*info->fprintf_func) (info->stream, "\t");
while ((opnum = insn->form->operands[opind++]) != 0)
{
int bits;
- oper = (struct d30v_operand *)&d30v_operand_table[opnum];
+ oper = (struct d30v_operand *) &d30v_operand_table[opnum];
bits = oper->bits;
if (oper->flags & OPERAND_SHIFT)
bits += 3;
- if (need_comma && oper->flags != OPERAND_PLUS && oper->flags != OPERAND_MINUS)
+ if (need_comma
+ && oper->flags != OPERAND_PLUS
+ && oper->flags != OPERAND_MINUS)
{
- need_comma=0;
+ need_comma = 0;
(*info->fprintf_func) (info->stream, ", ");
}
}
if (oper->flags == OPERAND_MINUS)
{
- (*info->fprintf_func) (info->stream, "-");
+ (*info->fprintf_func) (info->stream, "-");
continue;
}
if (oper->flags == OPERAND_PLUS)
{
- (*info->fprintf_func) (info->stream, "+");
+ (*info->fprintf_func) (info->stream, "+");
continue;
}
if (oper->flags == OPERAND_ATSIGN)
{
- (*info->fprintf_func) (info->stream, "@");
+ (*info->fprintf_func) (info->stream, "@");
continue;
}
if (oper->flags == OPERAND_ATPAR)
{
- (*info->fprintf_func) (info->stream, "@(");
+ (*info->fprintf_func) (info->stream, "@(");
need_paren = 1;
continue;
}
if (oper->flags == OPERAND_SPECIAL)
continue;
- val = extract_value(num, oper, is_long);
-
+ val = extract_value (num, oper, is_long);
+
if (oper->flags & OPERAND_REG)
{
match = 0;
if (oper->flags & OPERAND_CONTROL)
{
- struct d30v_operand *oper3 =
- (struct d30v_operand *)&d30v_operand_table[insn->form->operands[2]];
- int id = extract_value (num, oper3, is_long );
+ struct d30v_operand *oper3 =
+ (struct d30v_operand *) &d30v_operand_table[insn->form->operands[2]];
+ int id = extract_value (num, oper3, is_long);
found_control = 1;
- switch ( id )
+ switch (id)
{
case 0:
val |= OPERAND_CONTROL;
val |= OPERAND_FLAG;
break;
default:
- fprintf(stderr,"illegal id (%d)\n",id);
+ fprintf (stderr, "illegal id (%d)\n", id);
}
}
else if (oper->flags & OPERAND_ACC)
val |= OPERAND_ACC;
else if (oper->flags & OPERAND_FLAG)
val |= OPERAND_FLAG;
- for (i=0;i<reg_name_cnt();i++)
+ for (i = 0; i < reg_name_cnt (); i++)
{
if (val == pre_defined_registers[i].value)
{
if (pre_defined_registers[i].pname)
(*info->fprintf_func)
- (info->stream, "%s",pre_defined_registers[i].pname);
+ (info->stream, "%s", pre_defined_registers[i].pname);
else
(*info->fprintf_func)
- (info->stream, "%s",pre_defined_registers[i].name);
- match=1;
+ (info->stream, "%s", pre_defined_registers[i].name);
+ match = 1;
break;
}
}
- if (match==0)
+ if (match == 0)
{
- /* this would only get executed if a register was not in the
- register table */
+ /* This would only get executed if a register was not in
+ the register table. */
(*info->fprintf_func)
- (info->stream, _("<unknown register %d>"), val & 0x3F);
+ (info->stream, _("<unknown register %d>"), val & 0x3F);
}
}
/* repeati has a relocation, but its first argument is a plain
else if (oper->flags & OPERAND_PCREL)
{
int neg = 0;
-
+
/* IMM6S3 is unsigned. */
if (oper->flags & OPERAND_SIGNED || bits == 32)
{
if (bits == 32)
val = -val;
else
- val = -val & ((1 << bits)-1);
+ val = -val & ((1 << bits) - 1);
neg = 1;
}
}
if (neg)
{
- (*info->fprintf_func) (info->stream, "-%x\t(",val);
+ (*info->fprintf_func) (info->stream, "-%x\t(", val);
(*info->print_address_func) ((memaddr - val) & PC_MASK, info);
(*info->fprintf_func) (info->stream, ")");
}
else
{
- (*info->fprintf_func) (info->stream, "%x\t(",val);
+ (*info->fprintf_func) (info->stream, "%x\t(", val);
(*info->print_address_func) ((memaddr + val) & PC_MASK, info);
(*info->fprintf_func) (info->stream, ")");
}
(*info->fprintf_func) (info->stream, "-");
}
}
- (*info->fprintf_func) (info->stream, "0x%x",val);
+ (*info->fprintf_func) (info->stream, "0x%x", val);
}
- /* if there is another operand, then write a comma and space */
+ /* If there is another operand, then write a comma and space. */
if (insn->form->operands[opind] && !(found_control && opind == 2))
need_comma = 1;
}
(*info->fprintf_func) (info->stream, ")");
}
-
-
static int
extract_value (num, oper, is_long)
long long num;
if (is_long)
{
- if (oper->bits == 32)
+ if (oper->bits == 32)
{
- /* piece together 32-bit constant */
+ /* Piece together 32-bit constant. */
val = ((num & 0x3FFFF)
| ((num & 0xFF00000) >> 2)
| ((num & 0x3F00000000LL) >> 6));
}
- else
- val = (num >> (32 + shift)) & mask;
+ else
+ val = (num >> (32 + shift)) & mask;
}
else
val = (num >> shift) & mask;
projects / binutils-gdb.git / commitdiff