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* crx-dis.c (enum REG_ARG_TYPE): New, replacing COP_ARG_TYPE.

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(getregliststring): Support HI/LO and user registers.
This commit is contained in:
Tomer Levi 2004-10-27 10:24:01 +00:00
parent 9268a8d21a
commit a58a37627f
1 changed files with 58 additions and 41 deletions
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99
opcodes/crx-dis.c
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@ -65,18 +65,19 @@ const cinv_entry crx_cinvs[] =
{"[b,d,u]", 13}, {"[b,d,i]", 14}, {"[b,d,i,u]", 15}
};
/* Enum to distinguish CO-Processor [special] registers arguments
from general purpose regidters. */
typedef enum COP_ARG_TYPE
/* Enum to distinguish different registers argument types. */
typedef enum REG_ARG_TYPE
{
/* Not a CO-Processor argument (probably a general purpose reg.). */
NO_COP_ARG = 0,
/* A CO-Processor argument (c<N>). */
/* General purpose register (r<N>). */
REG_ARG = 0,
/* User register (u<N>). */
USER_REG_ARG,
/* CO-Processor register (c<N>). */
COP_ARG,
/* A CO-Processor special argument (cs<N>). */
/* CO-Processor special register (cs<N>). */
COPS_ARG
}
COP_ARG_TYPE;
REG_ARG_TYPE;
/* Number of valid 'cinv' instruction options. */
int NUMCINVS = ((sizeof crx_cinvs)/(sizeof crx_cinvs[0]));
@ -104,7 +105,7 @@ static char *getcopregname (copreg, reg_type);
static char * getprocregname (int);
static char *gettrapstring (unsigned);
static char *getcinvstring (unsigned);
static void getregliststring (int, char *, enum COP_ARG_TYPE);
static void getregliststring (int, char *, enum REG_ARG_TYPE);
static wordU get_word_at_PC (bfd_vma, struct disassemble_info *);
static void get_words_at_PC (bfd_vma, struct disassemble_info *);
static unsigned long build_mask (void);
@ -240,7 +241,7 @@ powerof2 (int x)
/* Transform a register bit mask to a register list. */
void
getregliststring (int trap, char *string, enum COP_ARG_TYPE core_cop)
getregliststring (int mask, char *string, enum REG_ARG_TYPE core_cop)
{
char temp_string[5];
int i;
@ -248,29 +249,44 @@ getregliststring (int trap, char *string, enum COP_ARG_TYPE core_cop)
string[0] = '{';
string[1] = '\0';
for (i = 0; i < 16; i++)
/* A zero mask means HI/LO registers. */
if (mask == 0)
{
if (trap & 0x1)
if (core_cop == USER_REG_ARG)
strcat (string, "ulo,uhi");
else
strcat (string, "lo,hi");
}
else
{
for (i = 0; i < 16; i++)
{
switch (core_cop)
if (mask & 0x1)
{
case NO_COP_ARG:
sprintf (temp_string, "r%d", i);
break;
case COP_ARG:
sprintf (temp_string, "c%d", i);
break;
case COPS_ARG:
sprintf (temp_string, "cs%d", i);
break;
default:
break;
switch (core_cop)
{
case REG_ARG:
sprintf (temp_string, "r%d", i);
break;
case USER_REG_ARG:
sprintf (temp_string, "u%d", i);
break;
case COP_ARG:
sprintf (temp_string, "c%d", i);
break;
case COPS_ARG:
sprintf (temp_string, "cs%d", i);
break;
default:
break;
}
strcat (string, temp_string);
if (mask & 0xfffe)
strcat (string, ",");
}
strcat (string, temp_string);
if (trap & 0xfffe)
strcat (string, ",");
}
trap = trap >> 1;
mask >>= 1;
}
}
strcat (string, "}");
@ -515,24 +531,25 @@ print_arg (argument *a, struct disassemble_info *info)
else if (INST_HAS_REG_LIST)
{
COP_ARG_TYPE cop_ins = IS_INSN_TYPE (COP_REG_INS) ?
REG_ARG_TYPE reg_arg_type = IS_INSN_TYPE (COP_REG_INS) ?
COP_ARG : IS_INSN_TYPE (COPS_REG_INS) ?
COPS_ARG : NO_COP_ARG;
COPS_ARG : (instruction->flags & USER_REG) ?
USER_REG_ARG : REG_ARG;
if (cop_ins != NO_COP_ARG)
if ((reg_arg_type == COP_ARG) || (reg_arg_type == COPS_ARG))
{
/* Check for proper argument number. */
if (processing_argument_number == 2)
{
getregliststring (a->constant, string, cop_ins);
func (stream, "%s", string);
}
else
func (stream, "$0x%x", a->constant);
/* Check for proper argument number. */
if (processing_argument_number == 2)
{
getregliststring (a->constant, string, reg_arg_type);
func (stream, "%s", string);
}
else
func (stream, "$0x%x", a->constant);
}
else
{
getregliststring (a->constant, string, cop_ins);
getregliststring (a->constant, string, reg_arg_type);
func (stream, "%s", string);
}
}