/* Disassembler code for CR16.
- Copyright 2007 Free Software Foundation, Inc.
+ Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by M R Swami Reddy (MR.Swami.Reddy@nsc.com).
This file is part of GAS, GDB and the GNU binutils.
string. This routine is used when disassembling the 'CC' instruction. */
static char *
-getccstring (unsigned cc)
+getccstring (unsigned cc_insn)
{
- return (char *) cr16_b_cond_tab[cc];
+ return (char *) cr16_b_cond_tab[cc_insn];
}
This routine is used when disassembling the 'excp' instruction. */
static char *
-gettrapstring (unsigned int index)
+gettrapstring (unsigned int trap_index)
{
const trap_entry *trap;
for (trap = cr16_traps; trap < cr16_traps + NUMTRAPS; trap++)
- if (trap->entry == index)
+ if (trap->entry == trap_index)
return trap->name;
return ILLEGAL;
static char *
getregname (reg r)
{
- const reg_entry *reg = cr16_regtab + r;
+ const reg_entry * regentry = cr16_regtab + r;
- if (reg->type != CR16_R_REGTYPE)
+ if (regentry->type != CR16_R_REGTYPE)
return ILLEGAL;
- return reg->name;
+ return regentry->name;
}
/* Given a register pair enum value, retrieve its name. */
static char *
getregpname (reg r)
{
- const reg_entry *reg = cr16_regptab + r;
+ const reg_entry * regentry = cr16_regptab + r;
- if (reg->type != CR16_RP_REGTYPE)
+ if (regentry->type != CR16_RP_REGTYPE)
return ILLEGAL;
- return reg->name;
+ return regentry->name;
}
/* Given a index register pair enum value, retrieve its name. */
static char *
getidxregpname (reg r)
{
- const reg_entry *reg;
+ const reg_entry * regentry;
switch (r)
{
break;
}
- reg = cr16_regptab + r;
+ regentry = cr16_regptab + r;
- if (reg->type != CR16_RP_REGTYPE)
+ if (regentry->type != CR16_RP_REGTYPE)
return ILLEGAL;
- return reg->name;
+ return regentry->name;
}
/* Getting a processor register name. */
static char *
-getprocregname (int index)
+getprocregname (int reg_index)
{
const reg_entry *r;
for (r = cr16_pregtab; r < cr16_pregtab + NUMPREGS; r++)
- if (r->image == index)
+ if (r->image == reg_index)
return r->name;
return "ILLEGAL REGISTER";
/* Getting a processor register name - 32 bit size. */
static char *
-getprocpregname (int index)
+getprocpregname (int reg_index)
{
const reg_entry *r;
for (r = cr16_pregptab; r < cr16_pregptab + NUMPREGPS; r++)
- if (r->image == index)
+ if (r->image == reg_index)
return r->name;
return "ILLEGAL REGISTER";
build_mask (void)
{
unsigned long mask = SBM (instruction->match_bits);
+
+ /* Adjust mask for bcond with 32-bit size instruction. */
+ if ((IS_INSN_MNEMONIC("b") && instruction->size == 2))
+ mask = 0xff0f0000;
+
return mask;
}
{
unsigned long mask;
/* The instruction 'constant' opcode doewsn't exceed 32 bits. */
- unsigned long doubleWord = words[1] + (words[0] << 16);
+ unsigned long doubleWord = (words[1] + (words[0] << 16)) & 0xffffffff;
/* Start searching from end of instruction table. */
instruction = &cr16_instruction[NUMOPCODES - 2];
while (instruction >= cr16_instruction)
{
mask = build_mask ();
+ /* Adjust mask for bcond with 32-bit size instruction */
+ if ((IS_INSN_MNEMONIC("b") && instruction->size == 2))
+ mask = 0xff0f0000;
+
if ((doubleWord & mask) == BIN (instruction->match,
instruction->match_bits))
return 1;
if ((!IS_INSN_TYPE (CSTBIT_INS)) && (!IS_INSN_TYPE (LD_STOR_INS)))
(sign_flag) ? func (stream, "%s", "*-"): func (stream, "%s","*+");
- func (stream, "%s", "0x");
+ /* PR 10173: Avoid printing the 0x prefix twice. */
+ if (info->num_symbols > 0)
+ func (stream, "%s", "0x");
number = ((relative ? memaddr : 0) +
(sign_flag ? ((- a->constant) & 0xffffffe) : a->constant));
/* Print all the arguments of CURRINSN instruction. */
static void
-print_arguments (ins *currInsn, bfd_vma memaddr, struct disassemble_info *info)
+print_arguments (ins *currentInsn, bfd_vma memaddr, struct disassemble_info *info)
{
int i;
if ((IS_INSN_MNEMONIC ("pop")
|| (IS_INSN_MNEMONIC ("popret")
|| (IS_INSN_MNEMONIC ("push"))))
- && currInsn->nargs == 1)
+ && currentInsn->nargs == 1)
{
info->fprintf_func (info->stream, "RA");
return;
}
- for (i = 0; i < currInsn->nargs; i++)
+ for (i = 0; i < currentInsn->nargs; i++)
{
processing_argument_number = i;
if ((INST_HAS_REG_LIST) && (i == 2))
info->fprintf_func (info->stream, "RA");
else
- print_arg (&currInsn->arg[i], memaddr, info);
+ print_arg (¤tInsn->arg[i], memaddr, info);
- if ((i != currInsn->nargs - 1) && (!IS_INSN_MNEMONIC ("b")))
+ if ((i != currentInsn->nargs - 1) && (!IS_INSN_MNEMONIC ("b")))
info->fprintf_func (info->stream, ",");
}
}