/* 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.
- 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)
+ 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 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
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, ",");
}
}