forked from Imagelibrary/binutils-gdb
Update function declarations to ISO C90 formatting
This commit is contained in:
@@ -1,9 +1,9 @@
|
||||
/* Print instructions for the Texas TMS320C[34]X, for GDB and GNU Binutils.
|
||||
|
||||
Copyright 2002, 2003 Free Software Foundation, Inc.
|
||||
Copyright 2002, 2003, 2005 Free Software Foundation, Inc.
|
||||
|
||||
Contributed by Michael P. Hayes (m.hayes@elec.canterbury.ac.nz)
|
||||
|
||||
|
||||
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 of the License, or
|
||||
@@ -16,7 +16,8 @@
|
||||
|
||||
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. */
|
||||
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
||||
MA 02110-1301, USA. */
|
||||
|
||||
#include <math.h>
|
||||
#include "libiberty.h"
|
||||
@@ -26,67 +27,32 @@
|
||||
#define TIC4X_DEBUG 0
|
||||
|
||||
#define TIC4X_HASH_SIZE 11 /* 11 (bits) and above should give unique entries. */
|
||||
#define TIC4X_SPESOP_SIZE 8 /* Max 8. ops for special instructions */
|
||||
#define TIC4X_SPESOP_SIZE 8 /* Max 8. ops for special instructions. */
|
||||
|
||||
typedef enum
|
||||
{
|
||||
IMMED_SINT,
|
||||
IMMED_SUINT,
|
||||
IMMED_SFLOAT,
|
||||
IMMED_INT,
|
||||
IMMED_UINT,
|
||||
IMMED_FLOAT
|
||||
}
|
||||
{
|
||||
IMMED_SINT,
|
||||
IMMED_SUINT,
|
||||
IMMED_SFLOAT,
|
||||
IMMED_INT,
|
||||
IMMED_UINT,
|
||||
IMMED_FLOAT
|
||||
}
|
||||
immed_t;
|
||||
|
||||
typedef enum
|
||||
{
|
||||
INDIRECT_SHORT,
|
||||
INDIRECT_LONG,
|
||||
INDIRECT_TIC4X
|
||||
}
|
||||
{
|
||||
INDIRECT_SHORT,
|
||||
INDIRECT_LONG,
|
||||
INDIRECT_TIC4X
|
||||
}
|
||||
indirect_t;
|
||||
|
||||
static int tic4x_version = 0;
|
||||
static int tic4x_dp = 0;
|
||||
|
||||
static int tic4x_pc_offset
|
||||
PARAMS ((unsigned int));
|
||||
static int tic4x_print_char
|
||||
PARAMS ((struct disassemble_info *, char));
|
||||
static int tic4x_print_str
|
||||
PARAMS ((struct disassemble_info *, char *));
|
||||
static int tic4x_print_register
|
||||
PARAMS ((struct disassemble_info *, unsigned long));
|
||||
static int tic4x_print_addr
|
||||
PARAMS ((struct disassemble_info *, unsigned long));
|
||||
static int tic4x_print_relative
|
||||
PARAMS ((struct disassemble_info *, unsigned long, long, unsigned long));
|
||||
void tic4x_print_ftoa
|
||||
PARAMS ((unsigned int, FILE *, fprintf_ftype));
|
||||
static int tic4x_print_direct
|
||||
PARAMS ((struct disassemble_info *, unsigned long));
|
||||
static int tic4x_print_immed
|
||||
PARAMS ((struct disassemble_info *, immed_t, unsigned long));
|
||||
static int tic4x_print_cond
|
||||
PARAMS ((struct disassemble_info *, unsigned int));
|
||||
static int tic4x_print_indirect
|
||||
PARAMS ((struct disassemble_info *, indirect_t, unsigned long));
|
||||
static int tic4x_print_op
|
||||
PARAMS ((struct disassemble_info *, unsigned long, tic4x_inst_t *, unsigned long));
|
||||
static void tic4x_hash_opcode_special
|
||||
PARAMS ((tic4x_inst_t **, const tic4x_inst_t *));
|
||||
static void tic4x_hash_opcode
|
||||
PARAMS ((tic4x_inst_t **, tic4x_inst_t **, const tic4x_inst_t *, unsigned long));
|
||||
static int tic4x_disassemble
|
||||
PARAMS ((unsigned long, unsigned long, struct disassemble_info *));
|
||||
int print_insn_tic4x
|
||||
PARAMS ((bfd_vma, struct disassemble_info *));
|
||||
|
||||
|
||||
static int
|
||||
tic4x_pc_offset (op)
|
||||
unsigned int op;
|
||||
tic4x_pc_offset (unsigned int op)
|
||||
{
|
||||
/* Determine the PC offset for a C[34]x instruction.
|
||||
This could be simplified using some boolean algebra
|
||||
@@ -107,14 +73,14 @@ tic4x_pc_offset (op)
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
switch ((op & 0xffe00000) >> 20)
|
||||
{
|
||||
case 0x6a0: /* bB */
|
||||
case 0x720: /* callB */
|
||||
case 0x740: /* trapB */
|
||||
return 1;
|
||||
|
||||
|
||||
case 0x6a2: /* bBd */
|
||||
case 0x6a6: /* bBat */
|
||||
case 0x6aa: /* bBaf */
|
||||
@@ -122,30 +88,28 @@ tic4x_pc_offset (op)
|
||||
case 0x748: /* latB */
|
||||
case 0x798: /* rptbd */
|
||||
return 3;
|
||||
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
switch ((op & 0xfe200000) >> 20)
|
||||
{
|
||||
case 0x6e0: /* dbB */
|
||||
return 1;
|
||||
|
||||
|
||||
case 0x6e2: /* dbBd */
|
||||
return 3;
|
||||
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_char (info, ch)
|
||||
struct disassemble_info * info;
|
||||
char ch;
|
||||
tic4x_print_char (struct disassemble_info * info, char ch)
|
||||
{
|
||||
if (info != NULL)
|
||||
(*info->fprintf_func) (info->stream, "%c", ch);
|
||||
@@ -153,9 +117,7 @@ tic4x_print_char (info, ch)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_str (info, str)
|
||||
struct disassemble_info *info;
|
||||
char *str;
|
||||
tic4x_print_str (struct disassemble_info *info, char *str)
|
||||
{
|
||||
if (info != NULL)
|
||||
(*info->fprintf_func) (info->stream, "%s", str);
|
||||
@@ -163,25 +125,23 @@ tic4x_print_str (info, str)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_register (info, regno)
|
||||
struct disassemble_info *info;
|
||||
unsigned long regno;
|
||||
tic4x_print_register (struct disassemble_info *info, unsigned long regno)
|
||||
{
|
||||
static tic4x_register_t **registertable = NULL;
|
||||
static tic4x_register_t ** registertable = NULL;
|
||||
unsigned int i;
|
||||
|
||||
|
||||
if (registertable == NULL)
|
||||
{
|
||||
registertable = (tic4x_register_t **)
|
||||
xmalloc (sizeof (tic4x_register_t *) * REG_TABLE_SIZE);
|
||||
registertable = xmalloc (sizeof (tic4x_register_t *) * REG_TABLE_SIZE);
|
||||
for (i = 0; i < tic3x_num_registers; i++)
|
||||
registertable[tic3x_registers[i].regno] = (void *)&tic3x_registers[i];
|
||||
registertable[tic3x_registers[i].regno] = (tic4x_register_t *) (tic3x_registers + i);
|
||||
if (IS_CPU_TIC4X (tic4x_version))
|
||||
{
|
||||
/* Add C4x additional registers, overwriting
|
||||
any C3x registers if necessary. */
|
||||
for (i = 0; i < tic4x_num_registers; i++)
|
||||
registertable[tic4x_registers[i].regno] = (void *)&tic4x_registers[i];
|
||||
registertable[tic4x_registers[i].regno] =
|
||||
(tic4x_register_t *)(tic4x_registers + i);
|
||||
}
|
||||
}
|
||||
if ((int) regno > (IS_CPU_TIC4X (tic4x_version) ? TIC4X_REG_MAX : TIC3X_REG_MAX))
|
||||
@@ -192,9 +152,7 @@ tic4x_print_register (info, regno)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_addr (info, addr)
|
||||
struct disassemble_info *info;
|
||||
unsigned long addr;
|
||||
tic4x_print_addr (struct disassemble_info *info, unsigned long addr)
|
||||
{
|
||||
if (info != NULL)
|
||||
(*info->print_address_func)(addr, info);
|
||||
@@ -202,19 +160,16 @@ tic4x_print_addr (info, addr)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_relative (info, pc, offset, opcode)
|
||||
struct disassemble_info *info;
|
||||
unsigned long pc;
|
||||
long offset;
|
||||
unsigned long opcode;
|
||||
tic4x_print_relative (struct disassemble_info *info,
|
||||
unsigned long pc,
|
||||
long offset,
|
||||
unsigned long opcode)
|
||||
{
|
||||
return tic4x_print_addr (info, pc + offset + tic4x_pc_offset (opcode));
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_direct (info, arg)
|
||||
struct disassemble_info *info;
|
||||
unsigned long arg;
|
||||
tic4x_print_direct (struct disassemble_info *info, unsigned long arg)
|
||||
{
|
||||
if (info != NULL)
|
||||
{
|
||||
@@ -223,60 +178,58 @@ tic4x_print_direct (info, arg)
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
#if 0
|
||||
/* FIXME: make the floating point stuff not rely on host
|
||||
floating point arithmetic. */
|
||||
void
|
||||
tic4x_print_ftoa (val, stream, pfunc)
|
||||
unsigned int val;
|
||||
FILE *stream;
|
||||
fprintf_ftype pfunc;
|
||||
|
||||
static void
|
||||
tic4x_print_ftoa (unsigned int val, FILE *stream, fprintf_ftype pfunc)
|
||||
{
|
||||
int e;
|
||||
int s;
|
||||
int f;
|
||||
double num = 0.0;
|
||||
|
||||
e = EXTRS (val, 31, 24); /* exponent */
|
||||
|
||||
e = EXTRS (val, 31, 24); /* Exponent. */
|
||||
if (e != -128)
|
||||
{
|
||||
s = EXTRU (val, 23, 23); /* sign bit */
|
||||
f = EXTRU (val, 22, 0); /* mantissa */
|
||||
s = EXTRU (val, 23, 23); /* Sign bit. */
|
||||
f = EXTRU (val, 22, 0); /* Mantissa. */
|
||||
if (s)
|
||||
f += -2 * (1 << 23);
|
||||
else
|
||||
f += (1 << 23);
|
||||
num = f / (double)(1 << 23);
|
||||
num = ldexp (num, e);
|
||||
}
|
||||
}
|
||||
(*pfunc)(stream, "%.9g", num);
|
||||
}
|
||||
#endif
|
||||
|
||||
static int
|
||||
tic4x_print_immed (info, type, arg)
|
||||
struct disassemble_info *info;
|
||||
immed_t type;
|
||||
unsigned long arg;
|
||||
tic4x_print_immed (struct disassemble_info *info,
|
||||
immed_t type,
|
||||
unsigned long arg)
|
||||
{
|
||||
int s;
|
||||
int f;
|
||||
int e;
|
||||
double num = 0.0;
|
||||
|
||||
|
||||
if (info == NULL)
|
||||
return 1;
|
||||
switch (type)
|
||||
{
|
||||
case IMMED_SINT:
|
||||
case IMMED_INT:
|
||||
(*info->fprintf_func) (info->stream, "%d", (long)arg);
|
||||
(*info->fprintf_func) (info->stream, "%d", (long) arg);
|
||||
break;
|
||||
|
||||
|
||||
case IMMED_SUINT:
|
||||
case IMMED_UINT:
|
||||
(*info->fprintf_func) (info->stream, "%u", arg);
|
||||
break;
|
||||
|
||||
|
||||
case IMMED_SFLOAT:
|
||||
e = EXTRS (arg, 15, 12);
|
||||
if (e != -8)
|
||||
@@ -312,18 +265,16 @@ tic4x_print_immed (info, type, arg)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_cond (info, cond)
|
||||
struct disassemble_info *info;
|
||||
unsigned int cond;
|
||||
tic4x_print_cond (struct disassemble_info *info, unsigned int cond)
|
||||
{
|
||||
static tic4x_cond_t **condtable = NULL;
|
||||
unsigned int i;
|
||||
|
||||
|
||||
if (condtable == NULL)
|
||||
{
|
||||
condtable = (tic4x_cond_t **)xmalloc (sizeof (tic4x_cond_t *) * 32);
|
||||
condtable = xmalloc (sizeof (tic4x_cond_t *) * 32);
|
||||
for (i = 0; i < tic4x_num_conds; i++)
|
||||
condtable[tic4x_conds[i].cond] = (void *)&tic4x_conds[i];
|
||||
condtable[tic4x_conds[i].cond] = (tic4x_cond_t *)(tic4x_conds + i);
|
||||
}
|
||||
if (cond > 31 || condtable[cond] == NULL)
|
||||
return 0;
|
||||
@@ -333,10 +284,9 @@ tic4x_print_cond (info, cond)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_indirect (info, type, arg)
|
||||
struct disassemble_info *info;
|
||||
indirect_t type;
|
||||
unsigned long arg;
|
||||
tic4x_print_indirect (struct disassemble_info *info,
|
||||
indirect_t type,
|
||||
unsigned long arg)
|
||||
{
|
||||
unsigned int aregno;
|
||||
unsigned int modn;
|
||||
@@ -398,11 +348,10 @@ tic4x_print_indirect (info, type, arg)
|
||||
}
|
||||
|
||||
static int
|
||||
tic4x_print_op (info, instruction, p, pc)
|
||||
struct disassemble_info *info;
|
||||
unsigned long instruction;
|
||||
tic4x_inst_t *p;
|
||||
unsigned long pc;
|
||||
tic4x_print_op (struct disassemble_info *info,
|
||||
unsigned long instruction,
|
||||
tic4x_inst_t *p,
|
||||
unsigned long pc)
|
||||
{
|
||||
int val;
|
||||
char *s;
|
||||
@@ -423,7 +372,7 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
return 0;
|
||||
break;
|
||||
case '_':
|
||||
parallel = s + 1; /* Skip past `_' in name */
|
||||
parallel = s + 1; /* Skip past `_' in name. */
|
||||
break;
|
||||
default:
|
||||
tic4x_print_char (info, *s);
|
||||
@@ -431,7 +380,7 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
}
|
||||
s++;
|
||||
}
|
||||
|
||||
|
||||
/* Print arguments. */
|
||||
s = p->args;
|
||||
if (*s)
|
||||
@@ -441,23 +390,23 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
{
|
||||
switch (*s)
|
||||
{
|
||||
case '*': /* indirect 0--15 */
|
||||
case '*': /* Indirect 0--15. */
|
||||
if (! tic4x_print_indirect (info, INDIRECT_LONG,
|
||||
EXTRU (instruction, 15, 0)))
|
||||
EXTRU (instruction, 15, 0)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case '#': /* only used for ldp, ldpk */
|
||||
case '#': /* Only used for ldp, ldpk. */
|
||||
tic4x_print_immed (info, IMMED_UINT, EXTRU (instruction, 15, 0));
|
||||
break;
|
||||
|
||||
case '@': /* direct 0--15 */
|
||||
case '@': /* Direct 0--15. */
|
||||
tic4x_print_direct (info, EXTRU (instruction, 15, 0));
|
||||
break;
|
||||
|
||||
case 'A': /* address register 24--22 */
|
||||
case 'A': /* Address register 24--22. */
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 24, 22) +
|
||||
REG_AR0))
|
||||
REG_AR0))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
@@ -465,16 +414,16 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
address 0--23. */
|
||||
if (IS_CPU_TIC4X (tic4x_version))
|
||||
tic4x_print_relative (info, pc, EXTRS (instruction, 23, 0),
|
||||
p->opcode);
|
||||
p->opcode);
|
||||
else
|
||||
tic4x_print_addr (info, EXTRU (instruction, 23, 0));
|
||||
break;
|
||||
|
||||
case 'C': /* indirect (short C4x) 0--7 */
|
||||
case 'C': /* Indirect (short C4x) 0--7. */
|
||||
if (! IS_CPU_TIC4X (tic4x_version))
|
||||
return 0;
|
||||
if (! tic4x_print_indirect (info, INDIRECT_TIC4X,
|
||||
EXTRU (instruction, 7, 0)))
|
||||
EXTRU (instruction, 7, 0)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
@@ -482,131 +431,131 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
/* Cockup if get here... */
|
||||
break;
|
||||
|
||||
case 'E': /* register 0--7 */
|
||||
case 'E': /* Register 0--7. */
|
||||
case 'e':
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 7, 0)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'F': /* 16-bit float immediate 0--15 */
|
||||
case 'F': /* 16-bit float immediate 0--15. */
|
||||
tic4x_print_immed (info, IMMED_SFLOAT,
|
||||
EXTRU (instruction, 15, 0));
|
||||
EXTRU (instruction, 15, 0));
|
||||
break;
|
||||
|
||||
case 'i': /* Extended indirect 0--7 */
|
||||
if ( EXTRU (instruction, 7, 5) == 7 )
|
||||
case 'i': /* Extended indirect 0--7. */
|
||||
if (EXTRU (instruction, 7, 5) == 7)
|
||||
{
|
||||
if( !tic4x_print_register (info, EXTRU (instruction, 4, 0)) )
|
||||
if (!tic4x_print_register (info, EXTRU (instruction, 4, 0)))
|
||||
return 0;
|
||||
break;
|
||||
}
|
||||
/* Fallthrough */
|
||||
|
||||
case 'I': /* indirect (short) 0--7 */
|
||||
case 'I': /* Indirect (short) 0--7. */
|
||||
if (! tic4x_print_indirect (info, INDIRECT_SHORT,
|
||||
EXTRU (instruction, 7, 0)))
|
||||
EXTRU (instruction, 7, 0)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'j': /* Extended indirect 8--15 */
|
||||
if ( EXTRU (instruction, 15, 13) == 7 )
|
||||
if (EXTRU (instruction, 15, 13) == 7)
|
||||
{
|
||||
if( !tic4x_print_register (info, EXTRU (instruction, 12, 8)) )
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 12, 8)))
|
||||
return 0;
|
||||
break;
|
||||
}
|
||||
|
||||
case 'J': /* indirect (short) 8--15 */
|
||||
case 'J': /* Indirect (short) 8--15. */
|
||||
if (! tic4x_print_indirect (info, INDIRECT_SHORT,
|
||||
EXTRU (instruction, 15, 8)))
|
||||
EXTRU (instruction, 15, 8)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'G': /* register 8--15 */
|
||||
case 'G': /* Register 8--15. */
|
||||
case 'g':
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 15, 8)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'H': /* register 16--18 */
|
||||
case 'H': /* Register 16--18. */
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 18, 16)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'K': /* register 19--21 */
|
||||
case 'K': /* Register 19--21. */
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 21, 19)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'L': /* register 22--24 */
|
||||
case 'L': /* Register 22--24. */
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 24, 22)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'M': /* register 22--22 */
|
||||
case 'M': /* Register 22--22. */
|
||||
tic4x_print_register (info, EXTRU (instruction, 22, 22) + REG_R2);
|
||||
break;
|
||||
|
||||
case 'N': /* register 23--23 */
|
||||
case 'N': /* Register 23--23. */
|
||||
tic4x_print_register (info, EXTRU (instruction, 23, 23) + REG_R0);
|
||||
break;
|
||||
|
||||
case 'O': /* indirect (short C4x) 8--15 */
|
||||
case 'O': /* Indirect (short C4x) 8--15. */
|
||||
if (! IS_CPU_TIC4X (tic4x_version))
|
||||
return 0;
|
||||
if (! tic4x_print_indirect (info, INDIRECT_TIC4X,
|
||||
EXTRU (instruction, 15, 8)))
|
||||
EXTRU (instruction, 15, 8)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'P': /* displacement 0--15 (used by Bcond and BcondD) */
|
||||
case 'P': /* Displacement 0--15 (used by Bcond and BcondD). */
|
||||
tic4x_print_relative (info, pc, EXTRS (instruction, 15, 0),
|
||||
p->opcode);
|
||||
p->opcode);
|
||||
break;
|
||||
|
||||
case 'Q': /* register 0--15 */
|
||||
case 'Q': /* Register 0--15. */
|
||||
case 'q':
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 15, 0)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'R': /* register 16--20 */
|
||||
case 'R': /* Register 16--20. */
|
||||
case 'r':
|
||||
if (! tic4x_print_register (info, EXTRU (instruction, 20, 16)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'S': /* 16-bit signed immediate 0--15 */
|
||||
case 'S': /* 16-bit signed immediate 0--15. */
|
||||
tic4x_print_immed (info, IMMED_SINT,
|
||||
EXTRS (instruction, 15, 0));
|
||||
EXTRS (instruction, 15, 0));
|
||||
break;
|
||||
|
||||
case 'T': /* 5-bit signed immediate 16--20 (C4x stik) */
|
||||
case 'T': /* 5-bit signed immediate 16--20 (C4x stik). */
|
||||
if (! IS_CPU_TIC4X (tic4x_version))
|
||||
return 0;
|
||||
if (! tic4x_print_immed (info, IMMED_SUINT,
|
||||
EXTRU (instruction, 20, 16)))
|
||||
EXTRU (instruction, 20, 16)))
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'U': /* 16-bit unsigned int immediate 0--15 */
|
||||
case 'U': /* 16-bit unsigned int immediate 0--15. */
|
||||
tic4x_print_immed (info, IMMED_SUINT, EXTRU (instruction, 15, 0));
|
||||
break;
|
||||
|
||||
case 'V': /* 5/9-bit unsigned vector 0--4/8 */
|
||||
case 'V': /* 5/9-bit unsigned vector 0--4/8. */
|
||||
tic4x_print_immed (info, IMMED_SUINT,
|
||||
IS_CPU_TIC4X (tic4x_version) ?
|
||||
EXTRU (instruction, 8, 0) :
|
||||
EXTRU (instruction, 4, 0) & ~0x20);
|
||||
IS_CPU_TIC4X (tic4x_version) ?
|
||||
EXTRU (instruction, 8, 0) :
|
||||
EXTRU (instruction, 4, 0) & ~0x20);
|
||||
break;
|
||||
|
||||
case 'W': /* 8-bit signed immediate 0--7 */
|
||||
case 'W': /* 8-bit signed immediate 0--7. */
|
||||
if (! IS_CPU_TIC4X (tic4x_version))
|
||||
return 0;
|
||||
tic4x_print_immed (info, IMMED_SINT, EXTRS (instruction, 7, 0));
|
||||
break;
|
||||
|
||||
case 'X': /* expansion register 4--0 */
|
||||
case 'X': /* Expansion register 4--0. */
|
||||
val = EXTRU (instruction, 4, 0) + REG_IVTP;
|
||||
if (val < REG_IVTP || val > REG_TVTP)
|
||||
return 0;
|
||||
@@ -614,7 +563,7 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'Y': /* address register 16--20 */
|
||||
case 'Y': /* Address register 16--20. */
|
||||
val = EXTRU (instruction, 20, 16);
|
||||
if (val < REG_AR0 || val > REG_SP)
|
||||
return 0;
|
||||
@@ -622,7 +571,7 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case 'Z': /* expansion register 16--20 */
|
||||
case 'Z': /* Expansion register 16--20. */
|
||||
val = EXTRU (instruction, 20, 16) + REG_IVTP;
|
||||
if (val < REG_IVTP || val > REG_TVTP)
|
||||
return 0;
|
||||
@@ -630,7 +579,7 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
return 0;
|
||||
break;
|
||||
|
||||
case '|': /* Parallel instruction */
|
||||
case '|': /* Parallel instruction. */
|
||||
tic4x_print_str (info, " || ");
|
||||
tic4x_print_str (info, parallel);
|
||||
tic4x_print_char (info, ' ');
|
||||
@@ -650,26 +599,25 @@ tic4x_print_op (info, instruction, p, pc)
|
||||
}
|
||||
|
||||
static void
|
||||
tic4x_hash_opcode_special (optable_special, inst)
|
||||
tic4x_inst_t **optable_special;
|
||||
const tic4x_inst_t *inst;
|
||||
tic4x_hash_opcode_special (tic4x_inst_t **optable_special,
|
||||
const tic4x_inst_t *inst)
|
||||
{
|
||||
int i;
|
||||
|
||||
for( i=0; i<TIC4X_SPESOP_SIZE; i++ )
|
||||
if( optable_special[i] != NULL
|
||||
&& optable_special[i]->opcode == inst->opcode )
|
||||
for (i = 0;i < TIC4X_SPESOP_SIZE; i++)
|
||||
if (optable_special[i] != NULL
|
||||
&& optable_special[i]->opcode == inst->opcode)
|
||||
{
|
||||
/* Collision (we have it already) - overwrite */
|
||||
optable_special[i] = (void *)inst;
|
||||
/* Collision (we have it already) - overwrite. */
|
||||
optable_special[i] = (tic4x_inst_t *) inst;
|
||||
return;
|
||||
}
|
||||
|
||||
for( i=0; i<TIC4X_SPESOP_SIZE; i++ )
|
||||
if( optable_special[i] == NULL )
|
||||
for (i = 0; i < TIC4X_SPESOP_SIZE; i++)
|
||||
if (optable_special[i] == NULL)
|
||||
{
|
||||
/* Add the new opcode */
|
||||
optable_special[i] = (void *)inst;
|
||||
/* Add the new opcode. */
|
||||
optable_special[i] = (tic4x_inst_t *) inst;
|
||||
return;
|
||||
}
|
||||
|
||||
@@ -677,50 +625,49 @@ tic4x_hash_opcode_special (optable_special, inst)
|
||||
instructions exceeds TIC4X_SPESOP_SIZE. Please increase the variable
|
||||
of this variable */
|
||||
#if TIC4X_DEBUG
|
||||
printf("optable_special[] is full, please increase TIC4X_SPESOP_SIZE!\n");
|
||||
printf ("optable_special[] is full, please increase TIC4X_SPESOP_SIZE!\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
tic4x_hash_opcode (optable, optable_special, inst, tic4x_oplevel)
|
||||
tic4x_inst_t **optable;
|
||||
tic4x_inst_t **optable_special;
|
||||
const tic4x_inst_t *inst;
|
||||
const unsigned long tic4x_oplevel;
|
||||
tic4x_hash_opcode (tic4x_inst_t **optable,
|
||||
tic4x_inst_t **optable_special,
|
||||
const tic4x_inst_t *inst,
|
||||
const unsigned long tic4x_oplevel)
|
||||
{
|
||||
int j;
|
||||
int opcode = inst->opcode >> (32 - TIC4X_HASH_SIZE);
|
||||
int opmask = inst->opmask >> (32 - TIC4X_HASH_SIZE);
|
||||
|
||||
|
||||
/* Use a TIC4X_HASH_SIZE bit index as a hash index. We should
|
||||
have unique entries so there's no point having a linked list
|
||||
for each entry? */
|
||||
for each entry? */
|
||||
for (j = opcode; j < opmask; j++)
|
||||
if ( (j & opmask) == opcode
|
||||
&& inst->oplevel & tic4x_oplevel )
|
||||
if ((j & opmask) == opcode
|
||||
&& inst->oplevel & tic4x_oplevel)
|
||||
{
|
||||
#if TIC4X_DEBUG
|
||||
/* We should only have collisions for synonyms like
|
||||
ldp for ldi. */
|
||||
if (optable[j] != NULL)
|
||||
printf("Collision at index %d, %s and %s\n",
|
||||
j, optable[j]->name, inst->name);
|
||||
printf ("Collision at index %d, %s and %s\n",
|
||||
j, optable[j]->name, inst->name);
|
||||
#endif
|
||||
/* Catch those ops that collide with others already inside the
|
||||
hash, and have a opmask greater than the one we use in the
|
||||
hash. Store them in a special-list, that will handle full
|
||||
32-bit INSN, not only the first 11-bit (or so). */
|
||||
if ( optable[j] != NULL
|
||||
&& inst->opmask & ~(opmask << (32 - TIC4X_HASH_SIZE)) )
|
||||
if (optable[j] != NULL
|
||||
&& inst->opmask & ~(opmask << (32 - TIC4X_HASH_SIZE)))
|
||||
{
|
||||
/* Add the instruction already on the list */
|
||||
tic4x_hash_opcode_special(optable_special, optable[j]);
|
||||
/* Add the instruction already on the list. */
|
||||
tic4x_hash_opcode_special (optable_special, optable[j]);
|
||||
|
||||
/* Add the new instruction */
|
||||
tic4x_hash_opcode_special(optable_special, inst);
|
||||
/* Add the new instruction. */
|
||||
tic4x_hash_opcode_special (optable_special, inst);
|
||||
}
|
||||
|
||||
optable[j] = (void *)inst;
|
||||
optable[j] = (tic4x_inst_t *) inst;
|
||||
}
|
||||
}
|
||||
|
||||
@@ -731,53 +678,50 @@ tic4x_hash_opcode (optable, optable_special, inst, tic4x_oplevel)
|
||||
The function returns the length of this instruction in words. */
|
||||
|
||||
static int
|
||||
tic4x_disassemble (pc, instruction, info)
|
||||
unsigned long pc;
|
||||
unsigned long instruction;
|
||||
struct disassemble_info *info;
|
||||
tic4x_disassemble (unsigned long pc,
|
||||
unsigned long instruction,
|
||||
struct disassemble_info *info)
|
||||
{
|
||||
static tic4x_inst_t **optable = NULL;
|
||||
static tic4x_inst_t **optable_special = NULL;
|
||||
tic4x_inst_t *p;
|
||||
int i;
|
||||
unsigned long tic4x_oplevel;
|
||||
|
||||
|
||||
tic4x_version = info->mach;
|
||||
|
||||
tic4x_oplevel = (IS_CPU_TIC4X (tic4x_version)) ? OP_C4X : 0;
|
||||
tic4x_oplevel |= OP_C3X|OP_LPWR|OP_IDLE2|OP_ENH;
|
||||
|
||||
tic4x_oplevel |= OP_C3X | OP_LPWR | OP_IDLE2 | OP_ENH;
|
||||
|
||||
if (optable == NULL)
|
||||
{
|
||||
optable = (tic4x_inst_t **)
|
||||
xcalloc (sizeof (tic4x_inst_t *), (1 << TIC4X_HASH_SIZE));
|
||||
optable = xcalloc (sizeof (tic4x_inst_t *), (1 << TIC4X_HASH_SIZE));
|
||||
|
||||
optable_special = (tic4x_inst_t **)
|
||||
xcalloc (sizeof (tic4x_inst_t *), TIC4X_SPESOP_SIZE );
|
||||
optable_special = xcalloc (sizeof (tic4x_inst_t *), TIC4X_SPESOP_SIZE);
|
||||
|
||||
/* Install opcodes in reverse order so that preferred
|
||||
forms overwrite synonyms. */
|
||||
for (i = tic4x_num_insts - 1; i >= 0; i--)
|
||||
tic4x_hash_opcode (optable, optable_special, &tic4x_insts[i], tic4x_oplevel);
|
||||
tic4x_hash_opcode (optable, optable_special, &tic4x_insts[i],
|
||||
tic4x_oplevel);
|
||||
|
||||
/* We now need to remove the insn that are special from the
|
||||
"normal" optable, to make the disasm search this extra list
|
||||
for them.
|
||||
*/
|
||||
for (i=0; i<TIC4X_SPESOP_SIZE; i++)
|
||||
if ( optable_special[i] != NULL )
|
||||
for them. */
|
||||
for (i = 0; i < TIC4X_SPESOP_SIZE; i++)
|
||||
if (optable_special[i] != NULL)
|
||||
optable[optable_special[i]->opcode >> (32 - TIC4X_HASH_SIZE)] = NULL;
|
||||
}
|
||||
|
||||
|
||||
/* See if we can pick up any loading of the DP register... */
|
||||
if ((instruction >> 16) == 0x5070 || (instruction >> 16) == 0x1f70)
|
||||
tic4x_dp = EXTRU (instruction, 15, 0);
|
||||
|
||||
p = optable[instruction >> (32 - TIC4X_HASH_SIZE)];
|
||||
if ( p != NULL )
|
||||
if (p != NULL)
|
||||
{
|
||||
if ( ((instruction & p->opmask) == p->opcode)
|
||||
&& tic4x_print_op (NULL, instruction, p, pc) )
|
||||
if (((instruction & p->opmask) == p->opcode)
|
||||
&& tic4x_print_op (NULL, instruction, p, pc))
|
||||
tic4x_print_op (info, instruction, p, pc);
|
||||
else
|
||||
(*info->fprintf_func) (info->stream, "%08x", instruction);
|
||||
@@ -786,37 +730,35 @@ tic4x_disassemble (pc, instruction, info)
|
||||
{
|
||||
for (i = 0; i<TIC4X_SPESOP_SIZE; i++)
|
||||
if (optable_special[i] != NULL
|
||||
&& optable_special[i]->opcode == instruction )
|
||||
&& optable_special[i]->opcode == instruction)
|
||||
{
|
||||
(*info->fprintf_func)(info->stream, "%s", optable_special[i]->name);
|
||||
break;
|
||||
}
|
||||
if (i==TIC4X_SPESOP_SIZE)
|
||||
if (i == TIC4X_SPESOP_SIZE)
|
||||
(*info->fprintf_func) (info->stream, "%08x", instruction);
|
||||
}
|
||||
|
||||
/* Return size of insn in words. */
|
||||
return 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* The entry point from objdump and gdb. */
|
||||
int
|
||||
print_insn_tic4x (memaddr, info)
|
||||
bfd_vma memaddr;
|
||||
struct disassemble_info *info;
|
||||
print_insn_tic4x (bfd_vma memaddr, struct disassemble_info *info)
|
||||
{
|
||||
int status;
|
||||
unsigned long pc;
|
||||
unsigned long op;
|
||||
bfd_byte buffer[4];
|
||||
|
||||
|
||||
status = (*info->read_memory_func) (memaddr, buffer, 4, info);
|
||||
if (status != 0)
|
||||
{
|
||||
(*info->memory_error_func) (status, memaddr, info);
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
pc = memaddr;
|
||||
op = bfd_getl32 (buffer);
|
||||
info->bytes_per_line = 4;
|
||||
|
||||
Reference in New Issue
Block a user